阅读说明：本技术 凸轮夹紧结构 (Cam clamping structure ) 是由 袁文续 于 2020-08-05 设计创作，主要内容包括：本发明公开了一种凸轮夹紧结构,包括底部座体、左侧抵触件、右侧抵触件、传动组件、凸轮本体及转动把手,底部座体设有用于放置右侧抵触件的滑动槽；传动组件包括传动导向凸起；凸轮本体设有导向滑槽及中心安装孔,左侧抵触件和右侧抵触件之间形成安装间隙,凸轮本体通过中心安装孔转动安装于底部座体,转动把手安装于凸轮本体上,转动凸轮本体使传动导向凸起靠近或远离中心安装孔,使左侧抵触件与右侧抵触件之间的安装间隙变大或变小。通过转动凸轮本体达到夹紧效果且不需要太大的运动行程,节约了安装空间,操作简单,可允许同一水平面上多个产品同时测试,极大的提高了工作效率,结构紧凑且稳定性好。(The invention discloses a cam clamping structure, which comprises a bottom seat body, a left contact piece, a right contact piece, a transmission assembly, a cam body and a rotating handle, wherein the bottom seat body is provided with a sliding groove for placing the right contact piece; the transmission assembly comprises a transmission guide bulge; the cam body is provided with a guide sliding groove and a central mounting hole, a mounting gap is formed between the left contact piece and the right contact piece, the cam body is rotatably mounted on the bottom base body through the central mounting hole, the rotating handle is mounted on the cam body, the cam body is rotated to enable the transmission guide protrusion to be close to or far away from the central mounting hole, and the mounting gap between the left contact piece and the right contact piece is enlarged or reduced. The cam body is rotated to achieve the clamping effect, the movement stroke is not required to be too large, the mounting space is saved, the operation is simple, a plurality of products on the same horizontal plane can be allowed to be tested simultaneously, the working efficiency is greatly improved, the structure is compact, and the stability is good.)

1. The utility model provides a cam clamping structure, includes bottom pedestal, left side supporting piece, right side supporting piece, transmission assembly, cam body and rotates the handle, its characterized in that:

the bottom seat body is provided with a sliding groove for placing the right contact piece;

the transmission assembly comprises a transmission guide projection;

the cam body is provided with a guide sliding chute and a central mounting hole which provide a guide effect for the transmission guide protrusion, and the track of the guide sliding chute is close to the central mounting hole from the outer side;

the right side touch piece is located in the sliding groove, a mounting gap is formed between the left side touch piece and the right side touch piece, the cam body is rotatably mounted on the bottom base body through the central mounting hole, the rotating handle is mounted on the cam body, the cam body is rotated to enable the transmission guide protrusion to be close to or far away from the central mounting hole, and the mounting gap between the left side touch piece and the right side touch piece is enlarged or reduced.

2. The cam clamping structure of claim 1, wherein: the transmission assembly further comprises a connecting plate and a pushing piece, the connecting plate is fixedly connected with the pushing piece, the pushing piece abuts against the side portion of the right abutting piece, and the transmission guide protrusion is fixed on the connecting plate.

3. The cam clamping structure of claim 2, wherein: the side part of the pushing piece is provided with a side part cover edge, and the side part cover edge is arranged on the right side contact piece.

4. The cam clamping structure of claim 1, wherein: the sliding groove and the right contact piece are both circular.

5. The cam clamping structure of claim 4, wherein: the diameter of the sliding groove is larger than that of the right contact piece.

6. The cam clamping structure of claim 1, wherein: the cam clamping structure further comprises a limiting block, and the limiting block is fixed on the side portion of the sliding groove.

7. The cam clamping structure of claim 6, wherein: the right side conflict piece includes the conflict pole, the quantity of stopper is two, the conflict pole is located two between the stopper.

8. The cam clamping structure of claim 7, wherein: the limiting block is parallel to the bottom seat body.

9. The cam clamping structure of claim 1, wherein: the rotating handle is perpendicular to the cam body.

10. The cam clamping structure of claim 1, wherein: the cam clamping structure further comprises a cover plate, the cover plate is fixed on the bottom base body, and the cover plate is covered on the transmission assembly.

Technical Field

The invention relates to the field of testing, in particular to a cam clamping structure.

Background

Currently, in the electrical appliance testing industry, most testing tools are divided into a plurality of modules, and then assembled into a whole tool. The carrier plate modules are used in most test jigs, each carrier plate has obvious difference in size and appearance, but the carrier plates are used for loading and fixing test products, and the carrier plates are required to have good positioning effect and fixing effect. The existing immobilization methods are divided into the following steps: 1. use quick clamp to press from both sides tightly and fix the test product, 2, use the cylinder side to push away or push down and fix the test product, 3, utilize the magnet characteristic to fix the test product.

However, the conventional clamping mechanism has the following disadvantages:

the movement stroke that needs in the fixed process is great or fixed steadiness is not enough, and the installation space that needs is big inconvenient to be used for on small-size carrier plate.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a cam clamping structure which can solve the problems of large stroke and insufficient fixing stability.

One of the purposes of the invention is realized by adopting the following technical scheme:

a cam clamping structure comprises a bottom seat body, a left contact piece, a right contact piece, a transmission assembly, a cam body and a rotating handle, wherein the bottom seat body is provided with a sliding groove for placing the right contact piece; the transmission assembly comprises a transmission guide projection; the cam body is provided with a guide sliding chute and a central mounting hole which provide a guide effect for the transmission guide protrusion, and the track of the guide sliding chute is close to the central mounting hole from the outer side; the right side touch piece is located in the sliding groove, a mounting gap is formed between the left side touch piece and the right side touch piece, the cam body is rotatably mounted on the bottom base body through the central mounting hole, the rotating handle is mounted on the cam body, the cam body is rotated to enable the transmission guide protrusion to be close to or far away from the central mounting hole, and the mounting gap between the left side touch piece and the right side touch piece is enlarged or reduced.

Furthermore, the transmission assembly further comprises a connecting plate and a pushing piece, the connecting plate is fixedly connected with the pushing piece, the pushing piece abuts against the side portion of the right abutting piece, and the transmission guide protrusion is fixed on the connecting plate.

Furthermore, a side part cover edge is arranged on the side part of the pushing piece, and the side part cover edge is arranged on the right side contact piece.

Further, the sliding groove and the right contact piece are both circular.

Further, the diameter of the sliding groove is larger than that of the right contact piece.

Further, the cam clamping structure further comprises a limiting block, and the limiting block is fixed on the side portion of the sliding groove.

Further, the right side conflict piece includes the conflict pole, the quantity of stopper is two, the conflict pole is located two between the stopper.

Further, the limiting block is parallel to the bottom seat body.

Further, the rotating handle is perpendicular to the cam body.

Further, the cam clamping structure further comprises a cover plate, the cover plate is fixed on the bottom base body, and the cover plate is covered on the transmission assembly.

Compared with the prior art, the invention has the beneficial effects that:

the right side touch piece is located in the sliding groove, a mounting gap is formed between the left side touch piece and the right side touch piece, the cam body is rotatably mounted on the bottom base body through the central mounting hole, the rotating handle is mounted on the cam body, the cam body is rotated to enable the transmission guide protrusion to be close to or far away from the central mounting hole, and the mounting gap between the left side touch piece and the right side touch piece is enlarged or reduced. Through rotating the cam body reaches and presss from both sides tight effect and does not need too big motion stroke, has practiced thrift installation space, and easy operation can allow a plurality of products to test simultaneously on the same horizontal plane, very big improvement work efficiency, compact structure and stability are good.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of a cam clamping arrangement according to the present invention;

FIG. 2 is a perspective view of the cam clamping arrangement shown in FIG. 1;

FIG. 3 is another perspective view of the cam clamping arrangement shown in FIG. 1;

fig. 4 is a further perspective view of the cam clamping arrangement of fig. 1.

In the figure: 10. a bottom base body; 11. a sliding groove; 20. a left contact member; 30. a right contact member; 31. a touch bar; 40. a mounting gap; 50. a limiting block; 60. a cover plate; 70. a transmission assembly; 71. a connecting plate; 72. a pusher member; 721. the side part is covered with an edge; 73. a transmission guide projection; 80. a cam body; 81. a guide chute; 83. a central mounting hole; 90. the handle is rotated.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a cam clamping structure includes a bottom seat 10, a left contact element 20, a right contact element 30, a transmission assembly 70, a cam body 80 and a rotation handle 90, wherein the bottom seat 10 is provided with a sliding groove 11 for placing the right contact element 30; the driving assembly 70 includes a driving guide projection 73; the cam body 80 is provided with a guide sliding chute 81 and a central mounting hole 83 for providing a guide function for the transmission guide projection 73, and the track of the guide sliding chute 81 is close to the central mounting hole 83 from the outer side; the right contact element 30 is located in the sliding groove 11, a mounting gap 40 is formed between the left contact element 20 and the right contact element 30, the cam body 80 is rotatably mounted on the bottom base 10 through the central mounting hole 83, the rotating handle 90 is mounted on the cam body 80, and the cam body 80 is rotated to make the transmission guide protrusion 73 approach or separate from the central mounting hole 83, so that the mounting gap 40 between the left contact element 20 and the right contact element 30 is increased or decreased. Through rotating cam body 80 reaches and presss from both sides tight effect and does not need too big motion stroke, has practiced thrift installation space, and easy operation can allow a plurality of products to test simultaneously on the same horizontal plane, very big improvement work efficiency, compact structure and stability are good.

Preferably, the transmission assembly 70 further includes a connecting plate 71 and a pushing member 72, the connecting plate 71 is fixedly connected with the pushing member 72, the pushing member 72 abuts against the side portion of the right abutting member 30, and the transmission guide protrusion 73 is fixed to the connecting plate 71. The side of the pushing member 72 is provided with a side covering edge 721, and the side covering edge 721 covers the right contact member 30. The pushing force is transmitted by the pushing piece 72, so that the mounting gap 40 is adjusted, and the side part is covered with the edge 721 to improve the smoothness of pushing.

Preferably, the sliding groove 11 and the right contact member 30 are both circular. The diameter of the slide groove 11 is larger than the diameter of the right contact member 30. The right contact member 30 has a certain sliding space in the sliding groove 11.

Preferably, the cam clamping structure further includes a stopper 50, and the stopper 50 is fixed to a side portion of the sliding groove 11. The right contact piece 30 includes two contact rods 31, the number of the stop blocks 50 is two, and the contact rods 31 are located between the two stop blocks 50. The limiting block 50 is parallel to the bottom seat 10. The rotating handle 90 is perpendicular to the cam body 80. The cam clamping structure further comprises a cover plate 60, the cover plate 60 is fixed on the bottom seat body 10, the cover plate 60 is arranged on the transmission assembly 70 in a covering mode, and the cam clamping structure is compact in structure, novel in structure, ingenious in design, high in applicability and convenient to popularize.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.