WO2019047317A1

WO2019047317A1 - Wrench

Info

Publication number: WO2019047317A1
Application number: PCT/CN2017/105668
Authority: WO
Inventors: 王琼; 李帅鹏
Original assignee: 河南裕展精密科技有限公司
Priority date: 2017-09-08
Filing date: 2017-10-11
Publication date: 2019-03-14
Also published as: CN206937180U

Abstract

A wrench (100) for adapting to a screw having a polygonal hole, comprising: a base (10), an adjusting mechanism (20), and a wrench head (30). A plurality of through holes (13) are formed through the base (10). The adjusting mechanism (20) comprises a housing (21), an adjusting member (22) and a moving member (23); the housing (21) is provided with a receiving cavity (211); the adjusting member (22) rotatably passes through the housing (21) and extends into the receiving cavity (211); the moving member (23) is received within the receiving cavity (211) and screwed onto the adjusting member (22). The wrench head (30) consists of a plurality of splice rods (31); each of the splice rods (31) comprises a rod body (311), a connecting portion (312) and a wrench head portion (313); the rod body (311) passes through the corresponding through hole (13); the connecting portion (312) is slidably disposed on the moving member (23) and is connected to the rod body (311); the wrench head portion (313) is disposed on the rod body (311) at one end away from the connecting portion (312) and is on the same line with the connecting portion (312); by rotating the adjusting member (22); the moving member (23) is driven to move within the receiving cavity (211); the moving member (23) pulls the connecting portion (312) to move to drive the rod body (311) to move along the through hole (13), so that the wrench head portions (313) of the plurality of splice rods (31) go close to one another or away from one another so as to adapt polygonal holes of different types of screws. The wrench (100) can be adapted to different types of screws.

Description

wrench

Technical field

The utility model relates to a wrench, in particular to a wrench for fitting an inner multi-angle screw.

Background technique

During the assembly process, the hexagonal screws and matching wrenches are often used in the assembly process. The operator needs to carry various types of wrenches to adapt to different types of hexagon socket screws, which is inconvenient to carry and easy to lose. At the same time, to tighten or loosen the different types of hexagon socket screws, you need to replace the corresponding type of wrench, which is cumbersome and inefficient.

Utility model content

In view of the above, it is necessary to provide a wrench that can be fitted with different types of inner multi-angle screws.

A wrench for adapting a screw having a multi-angle hole, the wrench comprising a base, an adjusting mechanism and a wrench head, wherein the adjusting mechanism and the wrench head are disposed on the base, and the base is provided with a plurality of wearing through a hole, each of the through holes and a plane at which the base is located is at a predetermined angle of less than 90 degrees, the adjustment mechanism includes a housing, an adjusting member and a moving member, and the housing is disposed on the base The body has a receiving cavity, and the adjusting member is rotatably disposed on the casing and extends into the receiving cavity. The moving component is received in the receiving cavity and screwed onto the adjusting member. a rod assembly, each of the splicing rods includes a rod body, a connecting portion and a wrench head, the rod body passing through the corresponding through hole, the connecting portion being slidably disposed on the moving member and connected to the rod body, the wrench head Provided on one end of the rod body away from the connecting portion and in line with the connecting portion, a plurality of the splicing rods The hand head can form a polygonal prism to fit the polygonal hole of the screw, and the moving member is driven to move in the receiving cavity by rotating the adjusting member, and the moving member pulls the connecting portion to move to drive the rod along the wearing The holes are moved so that the wrench heads of the plurality of splice bars are close to each other or away from each other to fit the polygonal holes of the different types of screws.

Further, the base includes a first surface and a second surface opposite to the first surface, each of the through holes penetrating the first surface and the second surface, and the housing is disposed on the first surface.

Further, the housing is further provided with a mounting hole, the mounting hole is formed at one end of the housing that does not have the receiving cavity, and is connected to the receiving cavity. The adjusting component comprises a body and a knob, and the body passes through The mounting hole extends into the receiving cavity, and the knob is disposed at an end of the body away from the housing.

Further, the body is provided with an external thread, and the moving member is provided with a screwing hole. The screwing hole has an internal thread, and the internal thread can be screwed with the external thread to screw the moving member to the adjustment. On the piece.

Further, the moving member is further provided with a plurality of guiding grooves, and the plurality of guiding grooves are uniformly distributed around the screwing holes in a radial shape, and each of the guiding grooves penetrates the periphery of the moving member, and the connecting portion is on the connecting portion Two card slots are defined, and the two card slots are respectively located on opposite sides of the connecting portion and parallel to the end surface of the connecting portion, and the connecting portion is engaged in the corresponding guiding slot through the two slots, so that the card slot The connecting portion is slidably coupled to the moving member.

Further, the rod body is V-shaped, and the rod body comprises a first rod body and a second rod body, the first rod body passes through the corresponding through hole, and the second rod body is disposed at one end of the first rod body and is the first rod The connecting rod is disposed at a predetermined angle of the first rod body away from the second rod body and at a predetermined angle with the first rod body. The wrench head portion is disposed at an end of the second rod body away from the first rod body.

Further, each of the through holes is a polygonal hole, and the first rod has a polygonal prism shape.

Further, the base includes a fixing block and a plurality of splicings disposed on the fixing block a block having a polygonal prism shape, a plurality of the splicing blocks are evenly distributed around the fixed block and abutting each other, each of the splicing blocks being fan-shaped, and each of the splicing blocks is respectively provided with a groove Each of the grooves has a predetermined angle of less than 90 degrees with a plane of the corresponding splicing block, and the grooves of two adjacent splicing blocks are spliced to form the through hole.

Further, each of the grooves is V-shaped.

Further, the wrench further includes a handle disposed on the housing for the user to hold for ease of operation.

The above-mentioned wrench drives the moving member to move by the adjusting member of the adjusting mechanism to drive the wrench heads of the plurality of splice rods to be close to each other or away from the polygonal holes for adapting different types of screws, thereby improving the usability of the wrench.

DRAWINGS

1 is a perspective view of a wrench according to an embodiment of the present invention.

2 is a perspective exploded view of the wrench of FIG. 1.

3 is a perspective exploded view of another perspective view of the wrench of FIG. 2.

4 is a partial perspective exploded view of the base of the wrench of FIG. 2.

Figure 5 is a perspective view of the wrench head of the wrench of Figure 2.

Figure 6 is a perspective cross-sectional view of the wrench of Figure 1 taken along line VI-VI.

Main component symbol description

扳手 wrench	100100
基座 Pedestal	1010
第一表面 First surface	1111
第二表面 Second surface	1212
穿设孔Hole through	1313
固定块Fixed block	1414

拼接块 Splicing block	1515
凹槽 Groove	151151
调节机构 Adjustment mechanism	2020
壳体case	21twenty one
收容腔 Containment chamber	211211
安装孔 Mounting holes	212212
调节件Adjustment piece	22twenty two
本体 Ontology	221221
外螺纹 External thread	22112211
旋钮 Knob	222222
移动件Moving parts	23twenty three
螺合孔 Screw hole	231231
导槽 Guide slot	232232
扳手头 Wrench head	3030
拼接杆 Stitching rod	3131
杆体 Rod body	311311
第一杆体 First rod	31113111
第二杆体 Second rod	31123112
连接部 Connection	312312
卡槽 Card slot	31213121
扳手头部 Wrench head	313313
把手 handle	4040

The present invention will be further described in conjunction with the above drawings in the following detailed description.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be connected directly to the other element or. When an element is considered to be "disposed on" another element, it can be placed directly on the other element or the element.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to the invention. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1 , the utility model provides a wrench 100 for adapting different types of inner multi-angle screws (not shown). The wrench 100 includes a base 10, an adjustment mechanism 20, a wrench head 30, and a handle 40. The adjustment mechanism 20 and the wrench head 30 are disposed on the base 10. The adjustment mechanism 20 is capable of adjusting the size of the wrench head 30 to fit different types of inner multi-angle screws. The handle 40 is disposed on the adjustment mechanism 20 for the user to hold for ease of operation.

2 and 4, the base 10 is generally circular and includes a first surface 11 and a second surface 12 opposite the first surface 11. A plurality of through holes 13 are formed in the base 10 . Each of the through holes 13 penetrates the first surface 11 and the second surface 12. The plurality of through holes 13 are evenly distributed along the circumferential direction of the susceptor 10. Each of the through holes 13 is a polygonal hole. Each of the through holes 13 and the plane of the base 10 are less than 90 degrees in advance. Set the angle. The adjustment mechanism 20 is disposed on the first surface 11. The wrench head 30 is disposed in the plurality of through holes 13 . In the present embodiment, the number of the through holes 13 is six, but is not limited thereto.

In this embodiment, the base 10 includes a fixed block 14 and a plurality of splicing blocks 15 disposed on the fixed block 14. The fixing block 14 is substantially in the shape of a polygonal prism. The plurality of splicing blocks 15 are evenly distributed around the periphery of the fixed block 14 and abut each other. Each of the tiles 15 is generally fan shaped. Grooves 151 are respectively formed on both sides of each of the splicing blocks 15. Each groove 151 is generally V-shaped. Each groove 151 has a predetermined angle of less than 90 degrees with the plane of the corresponding splicing block 15. The grooves 151 of the adjacent two splicing blocks 15 are spliced to form the through holes 13.

2, FIG. 3 and FIG. 6, the adjustment mechanism 20 includes a housing 21, an adjusting member 22, and a moving member 23. The housing 21 is disposed on the first surface 11 of the base 10. The housing 21 is substantially cylindrical. A housing cavity 211 and a mounting hole 212 are defined in the housing 21 . The receiving cavity 211 is opened on one end surface of the housing 21. The mounting hole 212 is opened at one end of the housing 21 that does not have the receiving cavity 211 and communicates with the receiving cavity 211. The adjusting member 22 includes a body 221 and a knob 222. The body 221 is provided with an external thread 2211. The body 221 is rotatably passed through the mounting hole 212 and protrudes into the receiving cavity 211. The knob 222 is disposed at an end of the body 221 away from the housing 21 . The moving member 23 is substantially disk-shaped. A screw hole 231 and a plurality of guide grooves 232 are formed in the moving member 23 . The screw hole 231 is located at a substantially central position of the moving member 23. The screw hole 231 has an internal thread (not shown). The internal thread of the screw hole 231 can be screwed with the external thread 2211 of the body 221 to screw the moving member 23 to the adjusting member 22. The plurality of guide grooves 232 are evenly distributed around the screw hole 231 in a radial shape. Each guide groove 232 extends through the periphery (not labeled) of the moving member 23. In this embodiment, the number of the guide grooves 232 is six.

Referring to FIG. 2, FIG. 5 and FIG. 6, the wrench head 30 is composed of a plurality of splice bars 31. Each of the splice bars 31 includes a rod body 311, a connecting portion 312, and a wrench head 313. Rod The body 311 is substantially V-shaped. The rod body 311 includes a first rod body 3111 and a second rod body 3112. Both the first rod body 3111 and the second rod body 3112 have a polygonal prism shape. The first rod body 3111 passes through the corresponding through hole 13. The second rod body 3112 is disposed at one end of the first rod body 3111 and at a predetermined angle with the first rod body 3111. The connecting portion 312 is disposed at an end of the first rod body 3111 away from the second rod body 3112 and at a predetermined angle with the first rod body 3111. The connecting portion 312 has a substantially polygonal column shape. Two card slots 3121 are defined in the connecting portion 312. The two card slots 3121 are respectively located on opposite sides of the connecting portion 312 and end faces of the parallel connecting portion 312. The two card slots 3121 are adjacent to one end of the connecting portion 312 away from the first rod body 3111. The connecting portion 312 is engaged with the corresponding guiding groove 232 through the two card slots 3121 to slidably connect the connecting portion 312 to the moving member 23. The connecting portion 312 is movable along the guide groove 232 and is also movable with the moving member 23. The wrench head 313 is disposed at one end of the second rod body 3112 away from the first rod body 3111 and in line with the connecting portion 312. The wrench head 313 is substantially polygonal prismatic. The wrench heads 313 of the plurality of splice bars 31 can form a polygonal prism (not labeled) to fit the polygonal holes of the screws (not shown).

It can be understood that in other embodiments each of the splice bars 31 is integrally bent.

The handle 40 is disposed on the housing 21 of the adjustment mechanism 20 for the user to hold for ease of operation.

Referring to FIG. 1 to FIG. 6 at the same time, when assembling, the first rod body 3111 of each splice bar 31 is passed through the corresponding through hole 13 and the connecting portion 312 is slidably coupled to the moving member 23. The moving member 23 is screwed onto the adjusting member 22, and the housing 21 is disposed on the first surface 11 of the base 10 and the body 221 of the adjusting member 22 is rotatably passed through the mounting hole 212. The knob 222 is disposed on the body 221, and the handle 40 is disposed on the housing 21, completing the assembly of the entire wrench 100.

In use, the body 221 is driven to rotate by the knob 222 to drive the moving member 23 to move along the body 221 in the receiving cavity 211. The moving member 23 drives the connecting portion 312 of each splice bar 31 to move along the corresponding guiding slot 232 and move with the moving member 23, thereby driving Thereby, the wrench heads 313 of the plurality of splice bars 31 are brought close to each other or away from the polygonal holes for adapting different types of screws.

The wrench 100 includes a base 10 , an adjustment mechanism 20 , a wrench head 30 , and a handle 40 . However, the present invention is not limited thereto. In other embodiments, the handle 40 can be removed without affecting the user directly holding the base 10 to operate the wrench 100 . .

The wrench 100 drives the moving member 23 to move by the adjusting member 22 of the adjusting mechanism 20 to drive the wrench heads 313 of the plurality of splice rods 31 close to each other or away from the polygonal holes for adapting different types of screws, thereby improving the usability of the wrench 100.

In addition, those skilled in the art can make other changes in the spirit of the present invention. Of course, the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

A wrench for adapting a screw having a multi-angle hole, the wrench comprising a base, an adjusting mechanism and a wrench head, wherein the adjusting mechanism and the wrench head are disposed on the base, wherein the base is opened a plurality of through holes, each of the through holes and a plane at which the base is located at a predetermined angle of less than 90 degrees, the adjustment mechanism comprising a housing, an adjusting member and a moving member, the housing being disposed on the base The housing has a receiving cavity, and the adjusting member is rotatably inserted into the housing and extends into the receiving cavity. The moving component is received in the receiving cavity and screwed onto the adjusting member. The splicing rod is composed of a plurality of splicing rods, and the splicing rod includes a rod body, a connecting portion and a wrench head. The rod body passes through the corresponding through hole, and the connecting portion is slidably disposed on the moving member and connected to the rod body. The wrench head is disposed at an end of the rod body away from the connecting portion and is in line with the connecting portion, and the wrench heads of the plurality of splice rods can form a polygonal prism to fit the polygonal hole of the screw, and rotate The adjusting member drives the moving member at Moving in the receiving cavity, the moving member pulls the connecting portion to move to move the rod along the through hole, so that the wrench heads of the plurality of the splice rods are close to each other or away from each other to fit the polygonal hole of the screw of different models. .
The wrench of claim 1 wherein the base includes a first surface and a second surface opposite the first surface, each of the through holes extending through the first surface and the second surface, The housing is disposed on the first surface.
The wrench of claim 2, wherein the housing is further provided with a mounting hole, the mounting hole is formed at an end of the housing that does not have the receiving cavity, and the adjusting cavity comprises The body and the knob are rotatably inserted through the mounting hole and into the receiving cavity, and the knob is disposed at an end of the body away from the housing.
The wrench according to claim 3, wherein the body is provided with an external thread, and the moving member is provided with a screwing hole, the screwing hole has an internal thread, and the internal thread can be screwed with the external thread So that the moving member is screwed onto the adjusting member.
The wrench according to claim 4, wherein the moving member further defines a plurality of guiding grooves, wherein the plurality of guiding grooves are radially distributed uniformly around the screwing holes, and each of the guiding grooves runs through the guiding groove. a plurality of card slots are defined in the connecting portion of the moving member, and the two card slots are respectively located on opposite sides of the connecting portion and parallel to the end surface of the connecting portion, and the connecting portion is engaged by the two slots The corresponding guiding groove is slidably connected to the moving member.
The wrench according to claim 5, wherein the rod body is V-shaped, the rod body comprises a first rod body and a second rod body, the first rod body passes through the corresponding through hole, and the second rod body is disposed on the rod body One end of the first rod body and a predetermined angle with the first rod body, the connecting portion is disposed at an end of the first rod body away from the second rod body and at a predetermined angle with the first rod body, the wrench head is disposed at the first portion The two rods are away from one end of the first rod.
The wrench according to claim 6, wherein each of the through holes is a polygonal hole, and the first rod has a polygonal prism shape.
The wrench according to claim 4, wherein the base comprises a fixing block and a plurality of splicing blocks disposed on the fixing block, the fixing block is in the shape of a polygonal prism, and the plurality of splicing blocks surround the fixing block The surrounding blocks are uniformly distributed and abut each other, and each of the splicing blocks has a fan shape, and each of the splicing blocks is respectively provided with a groove on each side thereof, and each of the grooves is less than 90 degrees with a plane of the corresponding splicing block. The preset angle is formed by splicing the grooves of two adjacent splicing blocks to form the through hole.
The wrench of claim 8 wherein each of said grooves is V-shaped.
The wrench of claim 1 wherein the wrench further comprises a handle disposed on the housing for the user to grip for ease of operation.