Please select the most similar patent number from A, B, C and D. Which number is?
A brush head and a vacuum cleaner. The brush head comprises: a connection pipe (1) connected to a negative pressure source at one end and provided with an air suction port at the other end; and a brush head assembly (2) detachably sleeved on the end of the connection pipe (1) provided with the air suction port. The brush head assembly (2) comprises a first brush head (21) and a second brush head (22) respectively disposed at two ends so as to enable different operation modes. The positions of the first brush head (21) and the second brush head (22) can be switched so as to enable the different operation modes of the brush head assembly (2). The brush head has a simple structure and various functions, and is easy to maintain and use. Moreover, the functions of the brush head can be switched by means of detachment, and the process is simple, fast, and convenient for users.
A: A multi-functional face cleaning instrument, comprising a housing (110), a brush head assembly, a motor (130) and a power supply assembly. The housing (110) is internally provided with the power supply assembly, the motor and a bracket that supports the motor (130). The brush head assembly comprises a brush head (120), brush head brackets (121, 123), and a brush head clamping seat (124); the brush head brackets (121, 123) comprise a brush head upper bracket (121) and a brush head lower bracket (123), the brush head (120) being fixed at an upper surface of the brush head upper bracket (121); the brush head clamping seat (124) comprises a plurality of pawls (1242), and the brush head lower bracket (123) comprises a pawl mounting groove (1244) corresponding to the plurality of pawls (1242); and the pawls (1242) are structures that are wide at the bottom and narrow at the top, and may achieve zero clearance fit with side surfaces of the pawl mounting groove (1244). The motor (130) is a high frequency reciprocating vibration motor (130). The motor (130) cooperates with the brush head assembly, and achieves the objective of highly efficient cleaning while having relatively little noise and providing a user with a good usage experience.
B: Disclosed are a pet brush having a fur suction function and a method of use thereof, applicable to the field of pet care equipment. The above-mentioned pet brush having a fur suction function comprises a hollow brush head (11) and a hollow handle (12) having one end connected to the brush head (11). The brush head (11) is arranged with a plurality of soft brush posts (13) for combing fur. The pet brush further comprises a suction assembly for suctioning fur, the suction assembly comprising a suction port (14) provided between rows of brush posts (13) and an output port (15) provided at the other end of the handle (12). The suction assembly further comprises a negative pressure source connected to the output port (15). A filter screen for filtering fur is provided between the suction port (14) and the output port (15). The pet brush is simple in structure and convenient to use, can not only comb the fur and prevent the fur being entangled in the brush, but can also prevent the fur from being scattered around indoors, thus ensuring the cleanliness of the environment inside the house.
C: Disclosed is a water absorption brush head, comprising a brush head housing (1). The brush head housing (1) is provided with a suction passage in communication with a vacuum source to generate a suction flow. The brush head housing (1) comprises a brush head portion (12). The brush head portion (12) is provided with a first scraping strip (2) and a second scraping strip (3). A suction inlet (11) in communication with the suction passage is formed between the first scraping strip (2) and the second scraping strip (3). The first scraping strip (2) and the second scraping strip (3) are formed in such a manner that at least one end thereof protrudes out of a boundary of the brush head portion (12) in the extension direction of a first axis (N). With the water absorption brush head, the proximity of left and right ends of a water brush can be improved, and the total width of the suction inlet is greater than that of the brush head housing, and both sides thereof protrude out of the margin of the brush head housing, so in marginal areas, such as a corner of a wall or a window frame, the scraping strips can be brought into contact with corner areas ahead of the brush head housing, so that the corner areas can be fully cleaned without any blind spots.
D: Disclosed is a multi-functional makeup brush, comprising a first brush head, a second brush head, a third brush head, a first brush handle, a second brush handle and a third brush handle, wherein the first brush handle and the second brush handle, and the second brush handle and the third brush handle are detachably connected; and a rear end of the first brush handle is provided with a first accommodation cavity for accommodating the second brush head, and a rear end of the second brush handle is provided with a second accommodation cavity for accommodating the third brush head. Each of the brush heads of the makeup brush in the present invention can be independently used, so as to meet the requirements of different makeup scenarios.
Answer: C