CN221270914U - Pressing mechanism and testing device - Google Patents
Pressing mechanism and testing device Download PDFInfo
- Publication number
- CN221270914U CN221270914U CN202323157089.6U CN202323157089U CN221270914U CN 221270914 U CN221270914 U CN 221270914U CN 202323157089 U CN202323157089 U CN 202323157089U CN 221270914 U CN221270914 U CN 221270914U
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- fulcrum
- base
- pressing
- pressing block
- hole
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 claims 6
- 238000007906 compression Methods 0.000 claims 6
- 238000005056 compaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The compressing mechanism and the testing device relate to the technical field of testing tools and comprise a base and a pressing block arranged on the base; the pressing block comprises a fulcrum end, a connecting end and a pressing end, wherein the fulcrum end is connected with the connecting end, the connecting end is connected with the pressing end, a fulcrum structure is arranged between the fulcrum end and the base, and the fulcrum structure is used for providing a lever fulcrum for the pressing block. According to the application, the fulcrum structure for providing a lever fulcrum for the pressing block is arranged between the fulcrum end of the pressing block and the base, so that the pressing block can be firmly pressed on the test piece.
Description
Technical Field
The utility model relates to the technical field of test tools, in particular to a pressing mechanism and a test device.
Background
In the prior art, the positive pressure provided by the bolt pretightening force is generally used as the driving force for clamping the object to be tested. For example, chinese patent CN211740545U discloses a lead-acid battery tilting vibration test fixture, which comprises a mounting plate, a battery located on the mounting plate, and a fixing block arranged on the mounting plate and abutting on the periphery of the battery. The fixed block is fixed on the mounting plate through screws.
However, at present, due to manufacturing errors, a gap may exist between the workpiece to be tested and the pressing block, so that the pressing block cannot press the test piece firmly, and the test fails.
Therefore, development of a pressing mechanism and a testing device is needed to solve the problems in the prior art.
Disclosure of utility model
The utility model aims to provide a pressing mechanism and a testing device, and solves the problem that a pressing block proposed in the background art can not press a testing piece firmly by arranging a fulcrum structure for providing a lever fulcrum for the pressing block between a fulcrum end of the pressing block and a base.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a compressing mechanism comprises a base and a pressing block arranged on the base; the pressing block comprises a fulcrum end, a connecting end and a pressing end, wherein the fulcrum end is connected with the connecting end, the connecting end is connected with the pressing end, a fulcrum structure is arranged between the fulcrum end and the base, and the fulcrum structure is used for providing a lever fulcrum for the pressing block.
Further, the connecting end is disposed between the fulcrum end and the hold-down end.
Further, the fulcrum structure is disposed on the base.
Further, the fulcrum structure is disposed on the press block.
Further, the fulcrum structure is close to the left end face of the pressing block.
Further, the fulcrum structure is arranged on the left end face of the pressing block.
Further, the shape of the fulcrum structure includes a cone, sphere, or ellipsoid.
Further, the device further comprises a pre-tightening piece, wherein the pre-tightening piece is connected with the base and the pressing block and is used for providing pre-tightening force for the pressing block.
Further, a through hole is formed in the connecting end, a connecting hole matched with the pre-tightening piece is formed in the base, and the pre-tightening piece penetrates through the through hole and then is connected with the connecting hole;
The pre-tightening piece is a bolt, the bolt comprises a nut and a screw rod connected with the nut, an external thread is arranged on the screw rod, and an internal thread matched with the external thread is arranged in the connecting hole; the width or radius of the nut is larger than the radius of the through hole, and the radius of the screw is smaller than or equal to the radius of the through hole.
A testing device comprises the pressing mechanism.
Compared with the prior art, the utility model has the beneficial effects that: through set up between the fulcrum end of briquetting and base for the fulcrum structure that the briquetting provided the fulcrum for briquetting and base are screwed up at bolt pretension spare, make the compaction end of the opposite side that corresponds with the fulcrum end move downwards under the effect of bolt pretension, so that the compaction end compresses tightly with the test piece.
Other features and advantages of the present utility model will be disclosed in the following detailed description of the utility model and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
Fig. 2 is a schematic diagram of the connection relationship of the present utility model.
The figure indicates: 1. a base; 2. briquetting; 21. a fulcrum end; 211. a fulcrum structure; 22. a connection end; 23. a compacting end; 3. and (3) a test piece.
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.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The compressing mechanism, as shown in fig. 1 and 2, comprises a base 1 and a pressing block 2 arranged on the base 1; the pressing block 2 comprises a fulcrum end 21, a connecting end 22 and a pressing end 23, wherein the fulcrum end 21 is connected with the connecting end 22, the connecting end 22 is connected with the pressing end 23, a fulcrum structure 211 is arranged between the fulcrum end 21 and the base 1, and the fulcrum structure 211 is used for providing a lever fulcrum for the pressing block 2.
The fulcrum end 21 is disposed at one side of the connection end 22, the pressing end 23 is disposed at the other side of the connection end 22, and the connection end 22 is located between the fulcrum end 21 and the pressing end 23. The connecting end 22 is used for providing a pre-tightening piece, and provides a pre-tightening force for the pressing block 2 through the pre-tightening piece.
The pressing end 23 is provided with a pressing structure for pressing the test piece 3, and the pressing structure is in the prior art, and the application is not described in detail. Alternatively, as shown in fig. 2, the pressing structure may be a trapezoid structure or a triangle structure with a slope gradually rising from left to right.
Optionally, the supporting structure 211 is disposed on the base 1, and the base 1 may be preset to be an integral structure.
In this embodiment, the supporting point structure 211 is disposed on the pressing block 2 and is in an integral structure with the pressing block 2.
The fulcrum structure 211 is close to the left end face of the pressing block 2, so as to provide a longer force arm, and the pressing end 23 is convenient to press the test workpiece.
The fulcrum structure 211 may be conical, spherical or ellipsoidal, and is preferably spherical or ellipsoidal, so as to protect the base 1
Alternatively, as another embodiment, the fulcrum structure 211 is provided on the left end face of the pressing block 2.
The test fixture further comprises a pre-tightening piece, wherein the pre-tightening piece is connected with the base 1 and the pressing block 2 and is used for providing pre-tightening force for the pressing block 2 so that the pressing end 23 presses the test workpiece.
The connecting end 22 is provided with a through hole, the base 1 is provided with a connecting hole matched with the pre-tightening piece, and the pre-tightening piece passes through the through hole and then is fixedly connected with the connecting hole, so that the pressing block 2 is fixedly connected with the base 1.
The pre-tightening piece is a bolt, the bolt comprises a nut and a screw rod connected with the nut, an external thread is arranged on the screw rod, and an internal thread matched with the external thread is arranged in the connecting hole.
The width or radius of the nut is larger than the radius of the through hole, and the radius of the screw is smaller than or equal to the radius of the through hole.
The testing device comprises the pressing mechanism.
The utility model provides the pressing mechanism and the testing device, which have the advantages of simple structure, convenient use and high reliability.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The compressing mechanism is characterized by comprising a base and a pressing block arranged on the base; the pressing block comprises a fulcrum end, a connecting end and a pressing end, wherein the fulcrum end is connected with the connecting end, the connecting end is connected with the pressing end, a fulcrum structure is arranged between the fulcrum end and the base, and the fulcrum structure is used for providing a lever fulcrum for the pressing block.
2. The hold-down mechanism of claim 1, wherein the connecting end is disposed between the fulcrum end and the hold-down end.
3. The compression mechanism of claim 2, wherein the fulcrum structure is disposed on the base.
4. A compression mechanism according to claim 2, wherein the fulcrum structure is provided on the compact.
5. The compression mechanism of claim 4, wherein the fulcrum structure is proximate a left end face of the press block.
6. The compression mechanism of claim 4, wherein the fulcrum structure is disposed on a left end face of the compact.
7. The compression mechanism of claim 4, wherein the fulcrum structure comprises a conical, spherical or ellipsoidal shape.
8. The compression mechanism of any one of claims 1-7, further comprising a pretension member connecting the base and the press block, the pretension member configured to provide a pretension force to the press block.
9. The pressing mechanism according to claim 8, wherein a through hole is formed in the connecting end, a connecting hole matched with the pre-tightening piece is formed in the base, and the pre-tightening piece is connected with the connecting hole after passing through the through hole;
The pre-tightening piece is a bolt, the bolt comprises a nut and a screw rod connected with the nut, an external thread is arranged on the screw rod, and an internal thread matched with the external thread is arranged in the connecting hole; the width or radius of the nut is larger than the radius of the through hole, and the radius of the screw is smaller than or equal to the radius of the through hole.
10. A testing device comprising a hold down mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323157089.6U CN221270914U (en) | 2023-11-22 | 2023-11-22 | Pressing mechanism and testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323157089.6U CN221270914U (en) | 2023-11-22 | 2023-11-22 | Pressing mechanism and testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221270914U true CN221270914U (en) | 2024-07-05 |
Family
ID=91707916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323157089.6U Active CN221270914U (en) | 2023-11-22 | 2023-11-22 | Pressing mechanism and testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221270914U (en) |
-
2023
- 2023-11-22 CN CN202323157089.6U patent/CN221270914U/en active Active
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|---|---|---|---|
| GR01 | Patent grant |