baber/WOPTO huggingface dataset:
Patent WO-2018161724-A1 (WO)
Title: 一种基于热释电红外传感器的照明控制装置及系统
Inventor: LIU CHAOBO
IPC: H05B37/02
Filed: 2018-01-12
Abstract: 一种基于热释电红外传感器的照明控制装置（1、22）及系统（2），该装置（1、22）包括聚焦组件（13）和至少两个热释电红外传感器（12），聚焦组件（13）包括至少两个依次相邻连接的弧形曲面结构部（131），每个弧形曲面结构部（131）对应一个聚焦点，至少两个热释电红外传感器（12）分别设置于各聚焦点上，聚焦组件（13）用于将外部的红外信号聚焦到各热释电红外传感器（12）上；至少两个热释电红外传感器（12），用于在任意一个热释电红外传感器（12）接收到变化的红外信号时，将变化的红外信号转换成电压信号，进而利用电压信号控制照明灯具（21）的开关状态。有效地提高热释电红外传感器（12）的感应灵敏度，且能够感应到较大范围内的红外信号。
Patent WO-2018137629-A1 (WO)
Title: 一种利培酮缓释组合物及其制备方法
Inventor: LIU FENG
IPC: A61K47/34
Filed: 2018-01-24
Abstract: 一种缓释组合物及其制备方法，非溶剂型制备原料包含利培酮、水难溶性聚合物和释放调节剂，所述释放调节剂包含有机亲油性物质，制备方法包括以下步骤:（1）将非溶剂型制备原料溶于有机溶剂中，形成内油相;(2)将表面活性剂溶于水性介质中，形成外水相;(3)将步骤(1)得到的内油相加入到外水相中，制成乳液，然后通过溶剂蒸发或溶剂提取使溶液中的微粒硬化，收集微粒，洗涤并干燥。
Patent WO-2018161768-A1 (WO)
Inventor: ZHU MOSHU
IPC: A61B17/00
Filed: 2018-02-08
Abstract: L'invention concerne un sac à échantillon (200) formé par liaison par fusion de sections de pliage de celui-ci et un instrument de retrait d'échantillon (10). Le sac à échantillon (200) comprend une extrémité ouverte (220) pouvant être ouverte et fermée, et un corps de sac (230) s'étendant à partir de l'extrémité ouverte (220). L'extrémité ouverte (220) comprend un ourlet périphérique (222). Le corps de sac (230) comprend en outre une partie inférieure. Le corps de sac (230) comprend une membrane lamellaire (210). La membrane (210) a un bord supérieur (211) relié à l'ourlet (222) et une première section de bord de pliage (212) et une seconde section de bord de pliage (214) qui sont situées à deux extrémités du bord supérieur (211). Après que la membrane (210) a été pliée le long de plis virtuels (216, 218), la première section de bord de pliage (212) et la seconde section de bord de pliage (214) se chevauchent et sont ensuite soudées pour former un joint de soudure plié (233). Le sac d'échantillon (200) formé par liaison par fusion de sections de pliage de celui-ci peut empêcher efficacement le corps de sac (230) de se casser.
Patent WO-2019033728-A1 (WO)
Title: Method and system for providing transportation service information
Inventor: MU QIAN
IPC: G06F3/0488
Filed: 2018-02-11
Abstract: Systems and methods for providing transportation service information are disclosed. An exemplary method for providing transportation service information may include obtaining a location of a terminal device and obtaining data representing a heat map for a region surrounding the location of the terminal device. The heat map may represent transportation service requests arranged in a queue waiting to be fulfilled in at least one area within the region. The method may also include identifying, via a processor, at least one supply shortage area within the region. The at least one supply shortage area may be identified at least partially based on the heat map. The method may further include providing, utilizing the terminal device, at least one indication indicating the at least one supply shortage area on the heat map.
Patent WO-2019153336-A1 (WO)
Title: Electrical connector
Inventor: CHENG I HUNG
IPC: H01R13/46
Filed: 2018-02-12
Abstract: The present invention provides an electrical connector having an insulating body and at least one conductive terminal. The insulating body has at least one terminal groove, the conductive terminal is assembled and fixed to the terminal groove, and the conductive terminal has a pair of first connection parts connecting with an external circuit board, a second connection part connecting with a cable, and an intermediate connection part connecting the first connection parts and the second connection part. The extending direction of the first connection parts is consistent with a mounting direction in which the conductive terminal is mounted to the circuit board, and the extending direction of the intermediate connection part is perpendicular to the mounting direction.
Patent WO-2019165620-A1 (WO)
Inventor: CHEN TAI-KUO
IPC: G02B27/01
Filed: 2018-03-01
Abstract: A near eye display method capable of multi-depth of field imaging, comprising emitting light by means of one or more single pixels or a pixel group comprising a plurality of pixels on a self-illumination display to illuminate a collimation element, so that incident light passing through the collimation element can be collimated (101); and then providing at least one collimated light direction change element on a light direction path of a light beam of the collimation element, such that collimated light directions of two light beams passing through the collimation element can be changed by the collimated light direction change element so that the light beams overlap at different positions to be focused and change the depth of field (102), thereby achieving the purpose of multi-depth of field imaging.
Patent WO-2019191910-A1 (WO)
Inventor: YANG XIAO
IPC: H04R9/06
Filed: 2018-04-03
Abstract: 本发明实施例涉及声学技术领域，公开一种扬声器、终端及扬声器控制方法，扬声器包括前盖、线圈、框架、磁体、磁性振膜和音圈，其中，所述线圈位于所述前盖的内侧；所述磁性振膜位于所述线圈和所述音圈之间，所述磁性振膜的周边粘合在所述框架的一侧，所述磁体位于所述框架的另一侧，所述框架的一侧和另一侧为所述框架的两个相对面；所述音圈，用于驱动所述磁性振膜振动。该扬声器可以改善因增大音频功放集成电路的增益导致的扬声器损坏问题。
Patent WO-2019196094-A1 (WO)
Title: An optimization system and an optimization method
Inventor: RECHKEMMER SABRINA KATHRIN
IPC: H02J7/00
Filed: 2018-04-13
Abstract: The present invention provides an optimization system and method for optimizing the use of the power storage device. An optimization system comprising a processor configured to receive one or more criteria for optimizing the use of the power storage device in an application device, receive data comprising at least one of user input (s), data from a cloud, and data regarding the application device, and determine a charging/discharging profile for charging or discharging the power storage device from the received data based on the one or more optimizing criteria; and an output for outputting the charging/discharging profile; wherein the processor is further configured to receive at least one of the user feedback regarding the charging/discharging profile, machine learning data, big data, and a change regarding the optimization system and/or the application device, and update the charging/discharging profile based on the received at least one of the user feedback regarding the charging/discharging profile, machine learning data, big data and the change regarding the optimization system and/or the application device. According to the device, the use of the power storage device like battery may be dynamically optimized.
Patent WO-2018196717-A1 (WO)
Title: 无线资源及无线资源的功率的配置方法、节点及存储介质
Inventor: XIN YU
IPC: H04W72/04
Filed: 2018-04-23
Abstract: 本发明公开了一种无线资源的配置方法、无线资源的功率配置方法、节点及存储介质，其中，方法包括：在信道带宽内配置各个子带，并将子载波间隔最小的多个子带中的任意一个子带配置在传输带宽配置的最边缘位置。如此，能够降低整个载波的信道带外的带外泄露，避免配置较大的保护带，有效提高频谱资源利用率，并且能够降低对射频器件(例如，滤波器等)的要求，节省成本。此外，还能通过合理配置发射功率，来保证每个RE上的功率保持不变。
Patent WO-2018196732-A1 (WO)
Title: 新能源汽车电力驱动系统及其电池电量主动均衡方法
Inventor: HU KAI
IPC: B60L11/18
Filed: 2018-04-24
Abstract: 一种新能源汽车电力驱动系统，电力驱动系统包括三个星形连接的模组电路；每个所述模组电路包括多个串联的模组；每个所述模组均包括电池组和与所述电池组连接的逆变器；所述逆变器接入开关控制电路；所述电池组中的所有电池均与BMS电路连接；所述BMS电路通过信号隔离电路与所述开关控制电路连接；所述信号隔离电路与控制中心连接。该新能源汽车电力驱动系统将动力电池组和电机驱动逆变器划分成多个完全相同的模组然后再将它们集成为一体，降低了BMS复杂度、延长了电池组寿命、电池单元电量可主动均衡、逆变器兼做车载大功率充电器、提高逆变器整机效率，模组的一致性能够方便的实现冗余备份，提升电机驱动系统的可靠性。还涉及一种电池电量主动均衡方法。
Patent WO-2019056777-A1 (WO)
Title: Method for controlling visible angle of screen, control apparatus, and flexible display apparatus
Inventor: HU XIAORUI
IPC: G06F3/01
Filed: 2018-05-17
Abstract: Provided in the present disclosure are a method for controlling the visible angle of a screen, a control apparatus, and a flexible display apparatus. The control method comprises: capturing a viewer for which the line of sight falls within a display area of a flexible screen; determining a viewing angle of the viewer relative to the display area; determining a curved angle according to the viewing angle; and controlling the flexible screen to curve according to the curved angle. By means of the solution of the present disclosure, a viewer for which the line of sight falls within the display area may be actively identified, and the viewing angle of the viewer relative to the display area is determined, thus the flexible screen is controlled to curve according to the viewing angle so as to adjust the visible angle of the display area. In practical application, a display angle of the display area relative to the viewer may be optimized, or the display area may be controlled so as to be shielded from onlookers.
Patent WO-2019169740-A1 (WO)
Inventor: CHO EN-TSUNG
IPC: H01L27/12
Filed: 2018-05-22
Abstract: An array substrate manufacturing method and an array substrate. The method comprises: forming a gate (110), a gate insulating layer (120), a semiconductor layer, a source/drain electrode layer (150), and a photoresist layer (160) on a substrate (100); performing patterning on the photoresist layer to form a patterned photoresist layer; performing wet etching on the source/drain electrode layer at least once using the patterned photoresist layer, performing dry etching on the semiconductor layer at least once, and performing ashing processing on the photoresist layer between the wet etching and the dry etching, the ratio of a lateral etch rate to a longitudinal etch rate of the ashing process ranging from 1:0.9 to 1:1.5.
Patent WO-2018219175-A1 (WO)
Inventor: QIU WEIHUA
IPC: H02J7/36
Filed: 2018-05-22
Abstract: 本公开是关于一种电池电路、电池装置、电子烟和供电控制方法，属于供电装置技术领域。所述电池装置包括至少两个供电组件、至少两个电控电池开关、电控总开关、供电输出端口和控制器，其中：所述至少两个供电组件、所述电控总开关和所述供电输出端口串联；每个电控电池开关分别与一个供电组件并联，每个电控电池开关的控制端分别与所述控制器电性连接；所述电控总开关的控制端与所述控制器电性连接；每个供电组件的正极分别与所述控制器电性连接。采用本公开，只要有一个供电组件中有可以工作的电池，该电池装置就可以正常工作，电子烟就可以正常工作。
Patent WO-2019001174-A1 (WO)
Title: Application instance address translation method and apparatus
Inventor: JIN AIJIN
IPC: H04W36/34
Filed: 2018-05-22
Abstract: Disclosed is an application instance address translation method, comprising: a control plane device sends a coordination request to a mobile edge cloud (MEC) control device, the coordination request comprising position information of a terminal and information of an application service; the control plane device receives response information from the MEC control device, the response information comprising an address of a target instance; the control plane device sends the address of the target instance to a first user plane device corresponding to the target instance according to the address of the target instance, and instructs the first user plane device to configure a forwarding address of an uplink message sent by the terminal to obtain an application service as the address of the target instance. In this way, a terminal is able to directly carry out message interaction without the need to re-establish a service connection with a new application instance after movement across access point service areas, thereby reducing network delay.
Patent WO-2019174124-A1 (WO)
Title: File sharing method based on two-dimensional code, server and terminal device
Inventor: YUNG MANHONG
IPC: H04L12/58
Filed: 2018-05-25
Abstract: The present application relates to the technical field of data processing, providing a file sharing method based on two-dimensional code, a server, a terminal device and a computer readable storage medium. The method comprising: obtaining a user mail sent by a user, wherein the user mail contains a mail subject, a user address and a shared file; storing the shared file and obtaining a storage address; generating a two-dimensional code corresponding to the storage address; returning the two-dimensional code to the user, wherein the two-dimensional code serves as an access entry of the shared file and is used for accessing the shared file by the user. The embodiments of the present application simplify the operational process of file sharing and improve the processing efficiency of file sharing.
Patent WO-2019218414-A1 (WO)
Title: Combustor and water heater using same
Inventor: CHEN WENFENG
IPC: F23D14/84
Filed: 2018-06-13
Abstract: A combustor and a water heater using same. The combustor (10) comprises a plurality of distributors (100) which are arranged side by side in the width direction, each distributor (100) comprises at least three ejection tubes (110), and each ejection tube (110) is sequentially provided with an ejection section (110A) and an gas outlet section (110B) along the gas flow direction. Each ejection tube (110) comprises a throat (114) and a diverter (112). The throat (114) is provided at the minimum cross-section of the ejection section (110A), the length of the ejection section (110A) is H1, and the maximum width of the throat (114) allowing gas to pass is D1, wherein 8.5D1 ≤ H1 ≤ 9.5D1. The diverter (112) is provided in the gas outlet section (110B) and has a top corner (112C) for diverting gas to two sides, and the angle of the top corner (112C) is 45 degrees to 85 degrees.
Patent WO-2019007268-A1 (WO)
Title: Refrigerator
Inventor: XIA ENPIN
IPC: E05D3/18
Filed: 2018-06-29
Abstract: A refrigerator (100), comprising a body (1), a door (2), and a hinge body (11) fixedly provided on the body (1). The hinge body (11) is provided with a positioning shaft (12) and a guide shaft (13); the door (2) is provided with a positioning groove (25) and a guide groove (26). The door (2) of the refrigerator (100) is moved away from a pivot side by a certain distance when being opened, so as to prevent the side wall (22) of the door (2) from protruding to affect the opening of the door (2).
Patent WO-2019007409-A1 (WO)
Title: Display method, device, smart terminal and computer readable storage medium
Inventor: GUO NING
IPC: G06F3/14
Filed: 2018-07-06
Abstract: The present invention provides a display method, device, smart terminal and computer readable storage medium, the method comprising: receiving a user-inputted target operation signaling message; determining whether or not the target operation signaling message meets a preset auxiliary display policy; if the target operation signaling message meets the auxiliary display policy, then generating, according to the auxiliary display policy, a primary display interface and an auxiliary display interface; such that the primary display screen displays a primary display interface, and the auxiliary display screen displays an auxiliary display interface.
Patent WO-2019029474-A1 (WO)
Title: Antenna device and electronic device
Inventor: ZENG YUANQING
IPC: H01Q1/50
Filed: 2018-08-06
Abstract: Disclosed in the present application are an antenna device and an electronic device. The antenna device comprises a housing and a circuit board; the housing comprises a metal frame body; the circuit board is provided with an elastic sheet and a match circuit, and the circuit board is fixedly connected to the metal frame body by means of the elastic sheet; the metal frame body is electrically connected to the match circuit by means of the elastic sheet so as to be used as a signal carrier.
Patent WO-2019184189-A1 (WO)
Inventor: Zhu hong jie
IPC: B27C3/02
Filed: 2018-08-10
Abstract: An omnidirectional regulation device for a collimator, comprising a bottom platform (1), wherein the bottom platform (1) is provided thereon with a bottom plate (2), two sides of the bottom plate (2) are provided with side tubes (3), and two ends of each side tube (3) are provided with support tubes; moving shafts are disposed at four positions of the bottom platform (1) and bottom plate (2), and a first hydraulic cylinder (7) is disposed at an intermediate position at a bottom portion of the bottom platform (1); an upper portion of the first hydraulic cylinder (7) is provided with a first piston rod (10), and the first piston rod (10) penetrates the bottom platform (1) and the bottom plate (2); the bottom platform (1) is provided thereon with a moving mechanism (12), the moving mechanism (12) is provided thereon with a moving plate (15), and the moving mechanism (12) comprises a lifting plate (17). A moving block drives the moving plate (15) to move, and the moving plate (15) achieves stable sliding and adjustment along a guide shaft (21) by means of a sliding seat (22), which may facilitate the horizontal movement and adjustment of a collimator.
Patent WO-2020000587-A1 (WO)
Title: 一种方便清洁的灭虫灯
Inventor: GONG HAO
IPC: A01M1/04
Filed: 2018-08-10
Abstract: 一种方便清洁的灭虫灯，包括了挂件（1）、灯罩（2）、诱虫灯（3）、电网（4）、防护栏（5）、电源装置（6）、灯座（7）、清洁层（8）、清洁刷（9）、导轨（10），灯罩（2）顶部安装有挂件（1），灯罩（2）下部安装有诱虫灯（3），诱虫灯（3）外安装有电网（4），诱虫灯（3）、电网（4）与灯座（7）连接，灯座（7）内安装有电源装置（6），灯座（7）与清洁层（8）通过导轨（10）活动连接，灯罩（2）与灯座（7）之间设置有防护栏（5），灯座（7）与清洁层（8）之间的导轨（10）横截面呈L型，沿着灯座（7）与清洁层（8）圆周设置，清洁层（8）上垂直设置有清洁刷（9），清洁刷（9）一端与清洁层（8）固定连接，清洁刷（9）的侧面与电网（4）接触，清洁刷（9）的材质为绝缘材料，诱虫灯（3）和电网（4）穿过清洁层（8）与灯座（7）电性连接，电网（4）为网格状，清洁刷（9）有圆柱形圆头刷毛（91）并排组成。以及一种无需拆卸就可以方便清洁的灭虫灯。
Patent WO-2019037659-A1 (WO)
Title: Integrated carbon fiber composite artificial bone and preparation method thereof
Inventor: TAN ZHOUJIAN
IPC: A61L27/30
Filed: 2018-08-17
Abstract: An integrated carbon fiber composite artificial bone and preparation method thereof, the artificial bone comprising a carbon fiber composite spring-shaped frame main body and a carbon fiber composite pin member provided at one end or two ends thereof. The preparation method comprises: using carbon fiber as raw material, performing a knitting process to prepare a spring-shaped carbon fiber pre-fab, then by means of densification, high-temperature purification and preparation of a wear-resistant coating layer, obtaining the carbon fiber composite artificial bone. The artificial bone is light, has good biocompatibility and good mechanical performance, and particularly has high elastic deformability and favorable toughness, and can realize the function and curved shape of a soft bone portion, thus having high practical utility.
Patent WO-2019153703-A1 (WO)
Inventor: WU YUMIAO
IPC: E01C19/20
Filed: 2018-08-17
Abstract: 一种多用途公路施工装置，可以经过调节输送带（6）上输出的石灰的厚度和石灰输出的速度以及机架（1）行走的速度比来调节公路上铺设的石灰的厚度，使用两种调节方式共同作用，使得石灰铺设的厚度可调范围大，两种调节方式联动到一起进行调节，根据传动比以及厚度挡料板（7）的高度调节来确定刻度盘（16）上的石灰粉铺设厚度的刻度，可以做到精确调节石灰粉铺设厚度的效果，且无论厚度挡料板（7）还是速度比的调节均是无极的，保证了石灰铺设厚度的精度，可调性强，通过一个动力轴（13）来达到两种调节的交替进行，联动性好，且调节简单方便。导料壳（67）出口距离地面很近，从而降低了石灰粉散落在空气中，提高铺设的效率和质量。
Patent WO-2019037731-A1 (WO)
Title: Intelligent device and network mode switching method thereof
Inventor: TANG CHONG
IPC: H04W36/14
Filed: 2018-08-22
Abstract: The present application provides an intelligent device and a WiFi network mode switching method thereof. The network switching method of an intelligent device comprises: the intelligent device sscanning, while connected to a paid network, for surrounding WiFi networks; if a WiFi network is found via the scanning, the intelligent device sending a specific request signal to the WiFi network; the intelligent device receiving feedback information from the WiFi network and determining whether the WiFi network is a free WiFi network; if the WiFi network is a free WiFi network, switching to and connecting to the WiFi network. The intelligent device of the present application intelligently determines the type of a WiFi network signal and intelligently chooses free WiFi signals, ensuring work efficiency of a user, reducing Internet access costs of the user and enhancing user experience.
Patent WO-2020047804-A1 (WO)
Title: Hand-held high pressure cleaner
Inventor: QIAO YONG
IPC: F04B9/02
Filed: 2018-09-06
Abstract: A hand-held high pressure cleaner, comprising: an outer casing (10); a functional component (20) comprising a motor (2) disposed in the outer casing (10), a pump (4) driven by the motor (2), and a transmission mechanism (3). The pump (4) comprises a pump body (46), a plunger (5) accommodated in the pump body (46), a water inlet (431) and water outlet (441) provided on the pump body (46), and a central chamber (41). The transmission mechanism (3) is connected to the plunger (5), and the motor (2) drives the plunger (5) to reciprocate by means of the transmission mechanism (3). There is only one plunger (5), and the pump (4) further comprises an upper pump cover (462) and a lower pump cover (463) that are detachably mounted on the pump body (46). The central chamber (41) comprises an upper cavity (421) formed in the upper pump cover (462) and a lower cavity (422) formed in the lower pump cover (463).
Patent WO-2020073202-A1 (WO)
Inventor: DENG BINLIN
IPC: H04J14/02
Filed: 2018-10-09
Abstract: Provided are a calibration apparatus and method, and a wavelength division multiplexing system. The calibration apparatus comprises: a sending module for sending a first detection signal to a first multiplexing device; a receiving module for receiving the first detection signal passing through the first multiplexing device, and receiving a second detection signal passing through the first multiplexing device and a second multiplexing device; and a processing module for adjusting the center frequency of the first detection signal, such that the adjusted center frequency of the first detection signal is aligned with the center frequency of the first multiplexing device, and for adjusting the central frequency of the second detection signal and of the first multiplexing device so that the center frequency of the first multiplexing device is aligned with the center frequency of the second detection signal. The technical solution provided in the embodiments of the present application can reduce the insertion loss of an optical fiber in a transmission process, and satisfy the loss requirement of an optical signal on a transmission link.
Patent WO-2019137059-A1 (WO)
Inventor: LI GUOQIANG
IPC: B82Y40/00
Filed: 2018-10-19
Abstract: 涉及氮化物半导体器件技术领域，公开了生长在铝箔衬底（1）上的氮化铟纳米柱外延片及其制备方法。生长在铝箔衬底（1）上的InN纳米柱外延片，由下至上依次包括铝箔衬底（1）、非晶态氧化铝层（2）、AlN层（3）和InN纳米柱层（4）。方法：（1）将表面氧化的铝箔衬底（1）预处理，原位退火；(2)采用分子束外延生长工艺，衬底温度为400～700℃，反应室压力为4.0～10.0×10 -5 Torr，V/III束流比值为20～40，在退火处理的铝箔衬底（1）上生长AlN形核点，再在AlN上成核并生长InN纳米柱层（4）。纳米柱直径均一，高晶体质量；大大减少了InN纳米柱层（4）的缺陷密度，提高了载流子的辐射复合效率，大幅度提高氮化物器件的发光效率。
Patent WO-2019080811-A1 (WO)
Title: Crystal form of selective progesterone receptor modulator and preparation method therefor
Inventor: CHEN MINHUA
IPC: A61P5/36
Filed: 2018-10-22
Abstract: The present invention relates to a crystal form of a compound (I) and a preparation method therefor, a pharmaceutical composition comprising the crystal form, and the use of the crystal form in the preparation of a preparation comprising a progesterone receptor modulator and a drug for treating uterine fibroids and/or endometriosis. The crystal form of the compound (I) provided by the present invention has one or more improved properties than the prior art, and is of great value to the optimization and development of the drug in the future.
Patent WO-2019080853-A1 (WO)
Title: System supporting peer-to-peer interactive connection technology for noncash transaction information accessibility
Inventor: YAU YIM WAI
IPC: G06Q20/32
Filed: 2018-10-24
Abstract: A system supporting peer-to-peer interactive connection technology for noncash transaction information accessibility, the system comprising an electronic transaction product (80) that supports peer-to-peer interactive connection technology, a communication terminal product (38) that supports peer-to-peer interactive connection technology, and an electronic transaction system (90) that supports peer-to-peer interactive connection technology, thus satisfying requirements of a payer and a recipient in noncash transactions.
Patent WO-2019100927-A1 (WO)
Inventor: CAO JIANHUI
IPC: G06F3/0354
Filed: 2018-11-02
Abstract: 本实用新型提供了一种触控笔的笔头固定结构，包括笔尖外壳、触控组件以及笔身壳，所述触控组件包括有笔尖杆和固定壳，所述笔尖杆连接于所述固定壳的一端，且所述笔尖杆从所述笔尖外壳的头部伸出，所述固定壳嵌入所述笔尖外壳中并与所述笔尖外壳相卡接，所述笔尖外壳与所述笔身壳之间相卡接。该笔头固定结构组装方便且连接牢固，可靠性较高。