Abstract:
The present invention discloses a wrench holder comprising a main frame, a hand grip, a slidable fastener, two knobs and a cover plate. There is a plurality of recesses defined on the main frame for wrenches to be held. The hand grip is rotatably allocated at the bottom of the main frame, and the slidable fastener is movably applied at the bottom of the main frame as well to limit the hand grip revolving against the main frame. The cover plate provides the wrenches held within the main frame to be sheltered. The wrench holder of the present invention is designed to improve protection for wrenches and convenience for users.

Description:
FIELD OF THE INVENTION 
     The present invention relates to a portable wrench holder, particularly to a wrench holder which allows a plurality of wrenches to be steadily held and enhances its flexibility for users. 
     BACKGROUND OF THE INVENTION 
     According to the prior art of a wrench holder disclosed in U.S. Pat. No. 5,346,063, it comprises a flat main frame which has two pieces of plates protruded from its both sides on the front. There is a plurality of recesses symmetrically defined on the two plates for wrenches to be placed. Each opening of the recess has a hook, and the wrenches are prevented falling from the recesses by the hooks. There are certain disadvantages from the prior art: 
     1. Wrenches are not able to be firmly held in the recesses with only two plates and simple-designed recesses on the main frame. 
     2. The holder can only be laid down due to the flat design of the main frame. Because the wrench holder is not standable, it causes inconvenient for users to choose proper wrenches. 
     SUMMARY OF THE INVENTION 
     The object of the present invention is to provide a wrench holder with improved protection for wrenches and convenience for users. In order to achieve the foregoing object, the wrench holder comprises a main frame, a hand grip, a slidable fastener, two knobs and a cover plate. There is a plurality of recesses defined on the main frame for wrenches to be held. The hand grip is allocated at the bottom of the main frame, and the slidable fastener is movably applied at the bottom of the main frame as well to limit the hand grip revolving against the main frame. The cover plate provides the wrenches held within the main frame to be sheltered. 
     The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is an exploded perspective view of the present invention; 
         FIG. 2  is an enlarged view taken from circle A in  FIG. 1 ; 
         FIG. 3  is an enlarged view taken from circle B in  FIG. 1 ; 
         FIG. 4  is a perspective rear view of the cover plate in accordance with the present invention; 
         FIG. 5  is a cross-sectional view taken along plane C-C in  FIG. 4 ; 
         FIG. 6  is an assembled perspective view of the present invention; 
         FIG. 7  is a perspective diagram of the cover plate pulled up in accordance with the present invention; 
         FIG. 8  is a side view of the cover plate pulled up in accordance with the present invention; 
         FIG. 9  is a perspective diagram of the cover plate pulled up and the hand grip laid to the rear in accordance with the present invention; 
         FIG. 10  is a side view of the cover plate pulled up and the hand grip laid to the rear in accordance with the present invention; 
         FIG. 11  is a perspective diagram of the cover plate and the hand grip laid to the rear in accordance with the present invention; and 
         FIG. 12  is a side view of the cover plate and the hand grip laid to the rear in accordance with the present invention. 
     
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
     Referring to  FIGS. 1 to 6 , the portable wrench holder of the present invention comprises a main frame  10 , a hand grip  20 , a slidable fastener  30 , two knobs  50  and a cover plate  60 . The mechanism of the wrench holder is detailed as below: 
     the main frame  10  having a curved body extended upwards, a plurality of recesses  11  with lateral openings arranged along its front, and a strip rail  12  allocated at the middle portion of the bottom main frame  10  with protruded strips  121  on its two sides in order to form a non-circular cross section for the strip rail  12 ; each pair of recesses  11  allowing the handle of a wrench to be engaged and positioned; two axle holes  13  being symmetrically defined at the bottom of the main frame  10 , each end of the strip rail  12  being coaxially correspondent with the axle holes  13 , and two grooves  131 / 132  being radially developed at the port of each axle hole  13  with an included angle between them; two pivot rings  100  being separately defined on the top of the main frame  10 , each pivot ring  100  having a pivot hole  14  with two furrows  141 / 142  radially extended at its outer port, the furrows  141 / 142  having an included angle between them, and an annular prop edge  143  being extended at the inner port of each pivot hole  14 ; 
     the hand grip  20  shown in the drawing being bow-shaped with two necks  200  jointed at its both ends, each neck  200  having a shaft  21  extended outwards and a coaxial protruded rod  210  extended inwards, a protruded portion  22  being radially extended from one side of the shaft  21  and a stop piece  23  being arranged at the inner side of the neck  200  close to the protruded rod  210 , and the shape of the protruded rod  210  being the same as the cross section of the strip rail  12 ; the hand grip  20  and the main frame  10  being integrated as the shaft  21  being inserted into the axle hole  13 , the two protruded rods  210  extended at the ends of the hand grip  20  being respectively aligned with the two distal ends of the strip rail  12 , and the protruded portion  22  being lodged in the groove  131  or the groove  132  to position the hand grip  20  as the hand grip  20  being revolved against the main frame  10  at a certain angle; 
     the slidable fastener  30  having a sunken housing  31  laterally penetrated at one side, the cross sections of the housing  31  and the strip rail  12  being matched for the housing  31  to hold on to the strip rail  12  and to make the slidable fastener  30  movable along the strip rail  12 ; and the hand grip  20  being fixed against the main frame  10  as the slidable fastener  30  being moved to one end of the strip rail  12  with its housing  31  holding on to the shaft  21 ; 
     the knobs  50  having a pivot shaft  51  protruded on one side of each knob  50  with two locking tenons  53  and two locking wedges  54 , a lateral locking trough  52  being defined through the end of the pivot shaft  51  and the two locking wedges  54  being allocated on the knobs  50  corresponding to two lateral ends of the locking trough  52  respectively, the locking tenons  53  being symmetrically arranged along the central axis of the knob  50  and a hook  530  being defined at the end of the locking tenon  53  on one side; the knob  50  being lodged in one port of the pivot hole  14  and the hook  530  of the locking tenon  53  being clasped on the prop edge  143  as the pivot shaft  51  being turned and inserted into the pivot hole  14 , and two locking wedges  54  being lodged in the furrow  141  or the furrow  142  for positioning purpose as the knob  50  being turned against the pivot hole  14 ; and 
     the cover plate  60  allowing the front side of the main frame  10  to be covered, a pair of first holding strips  61 , a pair of second holding strips  62  and a pair of protruded plates  63  being extended in parallel on the inner side of the cover plate  60 , the first holding strips  61  and the second holding strips  62  having L-shaped cross sections, each protruded plate  63  having a plurality of ratchets  630  vertically arranged on its top end for positioning the handles of wrenches  40 ; two ends of each first holding strips  61  engaging with the stop pieces  23  at the two ends of the hand grip  20  respectively and two ends of each second holding strips  62  movably engaging with the locking troughs  52  of the knobs  50  respectively for the cover plate  60  being able to vertically move against the main frame  10  in order to open or close the cover plate  60 . 
     Referring to  FIGS. 1 and 6 , the present invention can be easily assembled. Insert the shaft  21  of the hand grip  20  into the axle hole  13 , align the end of the hand grip  20  with the distal end of the strip rail  12 , and lodge the protruded portion  22  in the groove  131 . The slidable fastener  30  has a sunken housing  31  to slidably hold on to the strip rail  12  and the protruded rod  210 . The hand grip  20  allows users to carry the wrench holder conveniently, and it can also be extended against the main frame  10  as a part of the stand. The pivot shaft  51  of the knob  50  is inserted into the pivot hole  14  and the locking wedges  54  are lodged in the furrow  141  or the furrow  142 . The first holding strips  61  of the cover plate  60  is engaged between the stop pieces  23  and the shaft  21  of the hand grip  20 , and the second holding strips  62  is movably engaged with the locking troughs  52  of the knobs  50 . 
     Referring to  FIGS. 7 to 12 , users can access wrenches from the holder by sliding up the second holding strips  62  of the cover plate  60  along the locking troughs  52  of the knobs  50 , moving the slidable fastener  30  along the middle portion of the strip rail  12  to come off the protruded rod  210 , and revolving the hand grip  20  against the main frame  10 . Therefore, the hand grip  20  is able to be revolved towards the back of the main frame  10  with an angle greater than 90 degrees, the protruded portion  22  is lodged in another groove  132 , and then the hand grip  20  is fixed against the main frame  10  at a certain angle to support the main frame  10  firmly standing on a surface. In the mean time, the cover plate  60  is revolved towards the back of the main frame  10  as well. The moving of the cover plate  60  drives the knob  50 , with the pivot shaft  51  as its revolving axis, to revolve against the main frame  10 . The locking wedge  54  of the knob  50  is lodged in another furrow  142  for the end of the cover plate  60  to link with the hand grip  20  and to dock on the same surface. Therefore, the main frame  10  is in a firmly standing state, and the recesses  11  are disclosed for users to access the wrenches  40 . 
     Advantages of the present invention are summarized as bellow. 
     1. After wrenches are placed in the main frame, they can be securely held by covering up the cover plate. The design of such a mechanism makes the holder more convenient for carry or storage. 
     2. The hand grip and the cover plate are able to revolve against the main frame and to form a stand for the main frame to be firmly erected on a surface. The design of such a mechanism allows users to access wrenches much easier. 
     While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.