CN207051339U - A kind of adjustable testing needle of elastic force - Google Patents
A kind of adjustable testing needle of elastic force Download PDFInfo
- Publication number
- CN207051339U CN207051339U CN201720959055.4U CN201720959055U CN207051339U CN 207051339 U CN207051339 U CN 207051339U CN 201720959055 U CN201720959055 U CN 201720959055U CN 207051339 U CN207051339 U CN 207051339U
- Authority
- CN
- China
- Prior art keywords
- tabletting
- sleeve pipe
- shank
- testing needle
- elastic force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of adjustable testing needle of elastic force, including sleeve pipe, the shank set along the cavity length direction elasticity of described sleeve pipe, the stage clip that pressure is located above the shank and the tabletting for adjusting stage clip pressure；The tabletting pressure is located at the upper end of the stage clip, and the inner thread of the tabletting and described sleeve pipe is connected, and cross through hole is provided through in the middle part of the tabletting；The inwall of described sleeve pipe is provided with annular protrusion, and the annular protrusion is slidably matched with the recessed annular groove in shank periphery, and the width of the annular groove is more than the width of the annular protrusion., can be by adjusting tabletting present position in sleeve pipe with the testing needle of this structure design, the flexible collapsing length for changing stage clip, and then change the stress size of shank.
Description
Technical field
It the utility model is related to circuit board testing technical field, more particularly to a kind of adjustable testing needle of elastic force.
Background technology
The length that the stage clip in testing needle cavity under prior art deploys in an initial condition is more fixed, hence in so that
Shank is also smaller in the elastic force for just starting to be subject in sliding process, and the testing needle of such a structure can not be according to use occasion not
Together, elastic force during shank initial stressed is flexibly adjusted.
Utility model content
The utility model provides a kind of adjustable testing needle of shank elastic force.
To use following technical scheme up to this purpose, the utility model：
A kind of adjustable testing needle of elastic force, including sleeve pipe, along described sleeve pipe cavity length direction elasticity set shank,
Stage clip of the pressure above the shank and the tabletting for adjusting stage clip pressure；The tabletting pressure is located at the stage clip
Upper end, and the inner thread of the tabletting and described sleeve pipe is connected, and cross through hole is provided through in the middle part of the tabletting；Institute
The inwall for stating sleeve pipe is provided with annular protrusion, and the annular protrusion slides with the recessed annular groove in shank periphery matches somebody with somebody
Close, the width of the annular groove is more than the width of the annular protrusion.
Wherein, the two side up and down of the annular groove be arranged in parallel.
Wherein, the two side up and down of the annular protrusion be arranged in parallel.
Wherein, the width of the annular protrusion is arranged to 5mm, and the width of the annular groove is arranged to 20mm.
Wherein, the cavity upper port of described sleeve pipe is provided with the barrier sheet for preventing tabletting from coming off, and the barrier sheet is arranged to
Snap ring.
The beneficial effects of the utility model：The utility model includes sleeve pipe, the cavity length direction elasticity along described sleeve pipe
The stage clip of shank, pressure above the shank of setting and the tabletting for adjusting stage clip pressure；The tabletting pressure is located at
The upper end of the stage clip, and the inner thread of the tabletting and described sleeve pipe is connected, and ten are provided through in the middle part of the tabletting
Font through hole；The inwall of described sleeve pipe is provided with annular protrusion, the annular protrusion and the recessed annular in shank periphery
Groove is slidably matched, and the width of the annular groove is more than the width of the annular protrusion., can with the testing needle of this structure design
By adjusting tabletting present position in sleeve pipe, the flexible collapsing length for changing stage clip, and then change the stress size of shank.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the adjustable testing needle of elastic force of the utility model.
Fig. 2 is Fig. 1 top view.
Embodiment
It is shown below in conjunction with the accompanying drawings and the technical solution of the utility model is further illustrated by embodiment.
Provide a kind of adjustable testing needle of elastic force with reference to shown in Fig. 1 and Fig. 2, in the present embodiment, including sleeve pipe 1, along institute
State the shank 2 of the cavity length direction elasticity setting of sleeve pipe 1, the stage clip 3 that pressure is located above the shank 2 and for adjusting
The tabletting 4 of stage clip pressure；The pressure of tabletting 4 is located at the upper end of the stage clip 3, and the tabletting 4 and the inwall spiral shell of described sleeve pipe 1
Line connects, and the middle part of the tabletting 4 is provided through cross through hole 41；The inwall of described sleeve pipe 1 is provided with annular protrusion 11,
The annular protrusion 11 is slidably matched with the recessed annular groove 21 in the periphery of shank 2, the width of the annular groove 21
More than the width of the annular protrusion 11, the two side up and down of the annular groove 21 be arranged in parallel, the annular protrusion 11
Upper and lower two side be arranged in parallel, and the width of the annular protrusion 11 is arranged to 5mm, and the width of the annular groove 21 is arranged to
20mm, the cavity upper port of described sleeve pipe 1 are provided with the barrier sheet 5 for preventing tabletting 4 from coming off, and the barrier sheet 5 is arranged to snap ring,
The middle part of the barrier sheet 5 is provided through through hole 51.
, can be flexible to change pressure by adjusting tabletting present position in sleeve pipe using the testing needle of said structure design
The collapsing length of spring, and then change the stress size of shank.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (5)
1. a kind of adjustable testing needle of elastic force, it is characterised in that set including sleeve pipe, along the cavity length direction elasticity of described sleeve pipe
The stage clip of shank, pressure above the shank put and the tabletting for adjusting stage clip pressure；The tabletting pressure is located at institute
The upper end of stage clip is stated, and the inner thread of the tabletting and described sleeve pipe is connected, and cross is provided through in the middle part of the tabletting
Type through hole；The inwall of described sleeve pipe is provided with annular protrusion, and the annular protrusion is with recessed in the annular recessed of shank periphery
Groove is slidably matched, and the width of the annular groove is more than the width of the annular protrusion.
A kind of 2. adjustable testing needle of elastic force according to claim 1, it is characterised in that：Up and down the two of the annular groove
Side wall be arranged in parallel.
A kind of 3. adjustable testing needle of elastic force according to claim 2, it is characterised in that：Up and down the two of the annular protrusion
Side wall be arranged in parallel.
A kind of 4. adjustable testing needle of elastic force according to claim 3, it is characterised in that：The width of the annular protrusion is set
5mm is set to, the width of the annular groove is arranged to 20mm.
A kind of 5. adjustable testing needle of elastic force according to claim 4, it is characterised in that：The cavity upper port of described sleeve pipe
The barrier sheet for preventing tabletting from coming off is provided with, the barrier sheet is arranged to snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959055.4U CN207051339U (en) | 2017-08-02 | 2017-08-02 | A kind of adjustable testing needle of elastic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720959055.4U CN207051339U (en) | 2017-08-02 | 2017-08-02 | A kind of adjustable testing needle of elastic force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051339U true CN207051339U (en) | 2018-02-27 |
Family
ID=61499339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720959055.4U Expired - Fee Related CN207051339U (en) | 2017-08-02 | 2017-08-02 | A kind of adjustable testing needle of elastic force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207051339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188262A (en) * | 2018-09-12 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | A kind of SF6 gas-filling cabinet test pressure controllable detection device |
| CN110385392A (en) * | 2019-06-18 | 2019-10-29 | 成都飞机工业（集团）有限责任公司 | A kind of measurement pneumatic riveting transient force device |
-
2017
- 2017-08-02 CN CN201720959055.4U patent/CN207051339U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188262A (en) * | 2018-09-12 | 2019-01-11 | 国网山东省电力公司潍坊供电公司 | A kind of SF6 gas-filling cabinet test pressure controllable detection device |
| CN110385392A (en) * | 2019-06-18 | 2019-10-29 | 成都飞机工业（集团）有限责任公司 | A kind of measurement pneumatic riveting transient force device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20200802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |