CN220438457U

CN220438457U - Clamping device for EMC test

Info

Publication number: CN220438457U
Application number: CN202322021053.9U
Authority: CN
Inventors: 张洋; 乔二立
Original assignee: Hubei Handing Intelligent Technology Co ltd
Current assignee: Hubei Handing Intelligent Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-02
Anticipated expiration: 2033-07-31

Abstract

The utility model provides a clamping device for EMC test, which relates to the technical field of EMC test and comprises a base, wherein a small round table is fixedly arranged at the top end of the base, a clamping assembly is arranged in the base, and the clamping assembly comprises a small hydraulic cylinder main body. According to the utility model, the rack can be driven to linearly move through the small hydraulic cylinder main body and the connecting plate, then the rack is meshed again to drive the gear to rotate, the gear rotates and then drives the disc at the top end to rotate through the rotating rod, the disc drives the L-shaped plates to slide in the sliding seat through the arc-shaped sliding groove and the connecting rod, the anti-slip pad at one side of the arc-shaped plates can move to the outer side of an article to be tested along with the mutual approaching of the three groups of L-shaped plates, and therefore the article to be tested can be limited and clamped, the article to be tested does not need to be limited by hands, and a user can conveniently concentrate on and conveniently detect the article to be tested.

Description

Clamping device for EMC test

Technical Field

The utility model relates to the technical field of EMC (electro magnetic compatibility) tests, in particular to a clamping device for an EMC test.

Background

The EMC test is also called electromagnetic compatibility, which refers to comprehensive evaluation of the interference and anti-interference capability of an electronic product in terms of electromagnetic field, is one of the most important indexes of product quality, and the electromagnetic compatibility measurement consists of a test site and a test instrument, and is used for detecting the influence of electromagnetic radiation generated by the electronic product on human bodies, public place power grids and other normally working electronic products.

However, in the prior art, when a user needs to perform an EMC test, in order to avoid the shifting and sliding of an object to be tested in the test process, and further, the object needs to be limited by hands, the fixing effect can be achieved by the mode, but the object is held by hands while the test is performed, the attention of the operator is easily dispersed, the object is also laborious to hold for a long time, and the test process is relatively time-consuming and laborious, so that we propose a clamping device for the EMC test.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the clamping device for EMC test, which has the effect of facilitating clamping of a tested object, is convenient for a user to test, and is beneficial to improving the quality of the test.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a clamping device for EMC test, includes the base, the top fixed mounting of base has little round table, the inside of base is provided with clamping assembly, clamping assembly includes small-size pneumatic cylinder main part, the output fixed mounting of small-size pneumatic cylinder main part has the connecting plate, the opposite side fixed mounting of connecting plate has the rack, the opposite side of rack is provided with the gear, the inside fixed mounting of gear has the bull stick, the top fixed mounting of bull stick has the disc, the arc spout has been seted up to the inside of disc, the inside swing joint of arc spout has the connecting rod, the surface fixed mounting of connecting rod has the L template, the outside of L template is provided with the slide, the bottom of slide and one side fixed connection of base, the opposite side fixed mounting of L template has the arc.

As a preferred embodiment, the other side of the arc plate is provided with a non-slip mat, and the outer surface of the non-slip mat is provided with a non-slip bump.

As a preferred implementation mode, the inside fixed mounting of slide has the stopper, the slide rail with stopper looks adaptation has been seted up to the inside of L template, sliding connection between L template and the slide.

As a preferred embodiment, the outer surface of the gear is provided with teeth matched with the rack, and the gear is in meshed transmission connection with the rack through the matched teeth.

As a preferred implementation mode, a limiting rod is fixedly arranged at the bottom end of the rack, and a limiting groove matched with the limiting rod is formed in the base and is in sliding connection with the base.

As a preferred embodiment, the bottom end of the rotating rod is rotatably connected with the inner wall of the base through a bearing.

As a preferred implementation mode, the inside of base has seted up the louvre, the louvre is provided with two sets of and the symmetric distribution is in the both sides of base altogether.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, the rack can be driven to linearly move by arranging the small hydraulic cylinder main body and the connecting plate, then the rack is meshed again to drive the gear to rotate, the gear rotates and then drives the disc at the top end to rotate by the rotating rod, the disc drives the L-shaped plates to slide in the sliding seat by the arc-shaped sliding groove and the connecting rod, and the anti-slip pad at one side of the arc-shaped plates can be moved to the outer side of an article to be tested along with the mutual approaching of the three groups of L-shaped plates, so that the article to be tested can be limited and clamped, the article to be tested does not need to be limited by hands, and a user can conveniently concentrate on and conveniently detect the article to be tested.

Drawings

Fig. 1 is a side view of a clamping device for EMC testing provided by the utility model;

fig. 2 is a block diagram of a clamping assembly of a clamping device for EMC testing according to the present utility model;

fig. 3 is a schematic diagram of a stopper and a slide rail of a clamping device for EMC testing according to the present utility model;

fig. 4 is a schematic diagram of a position of a clamping device limiting rod for EMC testing according to the present utility model;

fig. 5 is a schematic diagram illustrating the disassembly of a fixing assembly of a clamping device for EMC testing according to the present utility model.

Legend description:

1. a base; 2. a small round table; 3. a clamping assembly; 4. a fixing assembly; 5. a heat radiation hole;

301. a small-sized hydraulic cylinder main body; 302. a connecting plate; 303. a rack; 304. a gear; 305. a rotating rod; 306. a disc; 307. an arc chute; 308. a connecting rod; 309. an L-shaped plate; 310. a slide; 311. a limiting block; 312. a slide rail; 313. an arc-shaped plate; 314. an anti-slip pad; 315. a limit groove; 316. a limit rod;

41. a T-shaped clamping block; 42. manually adjusting the bolt; 43. a T-shaped clamping groove; 44. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 5, the present utility model provides a technical solution: the clamping device for EMC test comprises a base 1, wherein the inside of the base 1 is provided with two groups of heat dissipation holes 5, the heat dissipation holes 5 are symmetrically distributed on two sides of the base 1, the top end of the base 1 is fixedly provided with a small round table 2, the inside of the base 1 is provided with a clamping component 3, the clamping component 3 comprises a small hydraulic cylinder main body 301, the small hydraulic cylinder main body 301 is electrically connected with a power supply through a wire, the output end of the small hydraulic cylinder main body 301 is fixedly provided with a connecting plate 302, the other side of the connecting plate 302 is fixedly provided with a rack 303, the bottom end of the rack 303 is fixedly provided with a limit rod 316, the inside of the base 1 is provided with a limit groove 315 matched with the limit rod 316 and is in sliding connection with the limit groove, the other side of the rack 303 is provided with a gear 304, the outer surface of the gear 304 is provided with teeth matched with the rack 303, the gear 304 is in meshed transmission connection with the rack 303 through the teeth matched with the teeth, the inside of the gear 304 is fixedly provided with a rotating rod 305, the bottom end of the rotating rod 305 is rotationally connected with the inner wall of the base 1 through a bearing, the top end of the rotating rod 305 is fixedly provided with a disc 306, the inside of the disc 306 is provided with an arc chute 307, the inside of the arc chute 307 is movably connected with a connecting rod 308, the outer surface of the connecting rod 308 is fixedly provided with an L-shaped plate 309, the outer side of the L-shaped plate 309 is provided with a sliding seat 310, the inside of the sliding seat 310 is fixedly provided with a limiting block 311, the inside of the L-shaped plate 309 is provided with a sliding rail 312 matched with the limiting block 311, the sliding connection between the L-shaped plate 309 and the sliding seat 310 is realized, the bottom end of the sliding seat 310 is fixedly connected with one side of the base 1, the other side of the L-shaped plate 309 is fixedly provided with an arc 313, the other side of the arc 313 is provided with a non-slip pad 314, the outer surface of the non-slip pad 314 is provided with a non-slip bump, the disc 306 is positioned at the bottom end of the small round table 2, the small round table 2 can select a proper size according to actual demands, the small round table 2 cannot be set too large so as to avoid affecting the movement of the three groups of L-shaped plates 309, and if necessary, the small round table 2 can be provided with through grooves consistent with the movement paths of the three groups of L-shaped plates 309 so as to facilitate sliding, and even if the small round table 2 is too large, the movement of the three groups of L-shaped plates 309 is not blocked.

In this embodiment, when EMC test is required, the object to be tested is limited and clamped conveniently by arranging the clamping component 3, so that it is not required to limit the object to be tested by hand, a user can conveniently and more concentrate on and conveniently detect the object to be tested, when the EMC test is used, only the small hydraulic cylinder body 301 needs to be opened, the small hydraulic cylinder body 301 can push the connecting plate 302 to perform linear motion, when the connecting plate 302 moves, the rack 303 on one side of the connecting plate can move along with the connecting plate, the limiting rod 316 on the bottom end of the rack 303 can move along with the limiting groove 315, the limiting groove 315 and the limiting rod 316 are arranged to facilitate the improvement of stability when the rack 303 moves, the gear 304 can be driven to rotate along with the movement of the rack 303 through the meshing of the matched teeth, the disc 306 on the top end of the rotating rod 305 can be driven to rotate along with the rotating rod, the disc 306 can drive the three groups of connecting rods 308 to move along with the rotating rod after the rotating, then the three groups of connecting rods 308 can drive the L-shaped plates 309 on one side to move along with the connecting plate 309 through the limiting blocks 311 and the sliding rails 312 correspondingly to the three groups of arc-shaped plates 313, when the three groups of arc-shaped plates 313 move along with the corresponding to one side of the arc plates 313 are correspondingly positioned on one side of the three groups of arc plates 313 to be tested, and the three groups of arc plates 313 can move along with one another when the arc plates 313 are correspondingly tested, and one side of the object to be tested is close to the three groups of arc plates 313 can move along with one end to the arc plates to be tested.

Example 2

As shown in fig. 1-5, a fixing component 4 is disposed on one side of the anti-slip pad 314, the fixing component 4 includes a T-shaped clamping block 41, a T-shaped clamping groove 43 adapted to the T-shaped clamping block 41 is formed in the arc-shaped plate 313, a manual adjusting bolt 42 is connected with the T-shaped clamping block 41 in a threaded manner, and a threaded hole 44 adapted to the manual adjusting bolt 42 is formed in the arc-shaped plate 313.

In this embodiment, along with the extension of life cycle, the slipmat 314 can appear certain wearing and tearing, and the slipmat 314 after the damage can play certain influence to the antiskid effect, can carry out the dismouting between slipmat 314 and the arc 313 through setting up fixed subassembly 4, compare sticky mode, this mode is more convenient, be convenient for carry out preliminary spacing between slipmat 314 and the arc 313 through setting up T type fixture block 41 and T type draw-in groove 43, be favorable to improving the stability of slipmat 314 in arc 313 one side, and be convenient for follow-up fixed two sets of through manual adjusting bolt 42.

Working principle:

as shown in fig. 1 to 5, when a test piece to be tested needs to be clamped, the test piece to be tested is firstly placed on the small round table 2, then the small hydraulic cylinder main body 301, the small hydraulic cylinder main body 301 can push the connecting plate 302 to perform linear motion, when the connecting plate 302 moves, the rack 303 on one side of the connecting plate can move along with the connecting plate, when the rack 303 moves, the limit rod 316 at the bottom end of the rack 303 can move along with the inside of the limit groove 315, the gear 304 can be driven to rotate by meshing of the matched teeth along with the movement of the rack 303, the rotating gear 304 can drive the rotating rod 305 inside to rotate along with the rotation of the gear 304, the disc 306 on the top end of the rotating rod 305 can rotate along with the rotation of the disc 306, three groups of connecting rods 308 can be driven to move along with the rotation of the disc 306 through the arc-shaped slide grooves 307 inside, then, the three groups of connecting rods 308 can drive the L-shaped plates 309 on one side to move in the corresponding sliding seat 310 through the limiting blocks 311 and the sliding rails 312, when one ends of the three groups of L-shaped plates 309 are close to each other, the arc plates 313 corresponding to one side of the three groups of L-shaped plates 309 can be close to each other, when the three groups of arc plates 313 move to the required positions according to the object to be tested, the anti-slip pads 314 on one side of the three groups of arc plates 313 can be attached to the outer surface of the object to be tested, further, the object to be tested can be limited and clamped, when the anti-slip pads 314 need to be replaced, only the manual adjusting bolts 42 are needed to be taken out, then the T-shaped clamping blocks 41 on one side of the anti-slip pads 314 are taken out from the T-shaped clamping grooves 43, during installation, reverse operation is performed, the T-shaped clamping blocks 41 on one side of the anti-slip pads 314 are embedded into the corresponding T-shaped clamping grooves 43, the anti-slip pads 314 can be primarily limited with the arc plates 313, and then is fixed by a manual adjusting bolt 42.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Clamping device for EMC test, including base (1), its characterized in that: the novel hydraulic lifting device is characterized in that a small round table (2) is fixedly arranged at the top end of the base (1), a clamping assembly (3) is arranged in the base (1), the clamping assembly (3) comprises a small hydraulic cylinder main body (301), a connecting plate (302) is fixedly arranged at the output end of the small hydraulic cylinder main body (301), a rack (303) is fixedly arranged at the other side of the connecting plate (302), a gear (304) is arranged at the other side of the rack (303), a rotating rod (305) is fixedly arranged in the gear (304), a disc (306) is fixedly arranged at the top end of the rotating rod (305), an arc-shaped chute (307) is formed in the disc (306), a connecting rod (308) is movably connected in the arc-shaped chute (307), an L-shaped plate (309) is fixedly arranged on the outer surface of the connecting rod (308), a sliding seat (310) is fixedly connected with one side of the base (1), and an arc-shaped plate (313) is fixedly arranged at the other side of the L-shaped plate (309).

2. The clamping device for EMC testing according to claim 1, wherein: the other side of the arc-shaped plate (313) is provided with an anti-slip pad (314), and the outer surface of the anti-slip pad (314) is provided with an anti-slip bump.

3. The clamping device for EMC testing according to claim 1, wherein: the inside fixed mounting of slide (310) has stopper (311), slide rail (312) with stopper (311) looks adaptation are seted up to the inside of L template (309), sliding connection between L template (309) and slide (310).

4. The clamping device for EMC testing according to claim 1, wherein: the outer surface of the gear (304) is provided with teeth matched with the rack (303), and the gear (304) is in meshed transmission connection with the rack (303) through the matched teeth.

5. The clamping device for EMC testing according to claim 1, wherein: the bottom end of the rack (303) is fixedly provided with a limiting rod (316), and a limiting groove (315) matched with the limiting rod (316) is formed in the base (1) and is in sliding connection with the limiting rod.

6. The clamping device for EMC testing according to claim 1, wherein: the bottom end of the rotating rod (305) is rotationally connected with the inner wall of the base (1) through a bearing.

7. The clamping device for EMC testing according to claim 1, wherein: the novel heat dissipation device is characterized in that heat dissipation holes (5) are formed in the base (1), and the heat dissipation holes (5) are arranged in two groups and symmetrically distributed on two sides of the base (1).