CN219641784U - Novel test needle - Google Patents
Novel test needle Download PDFInfo
- Publication number
- CN219641784U CN219641784U CN202321226619.5U CN202321226619U CN219641784U CN 219641784 U CN219641784 U CN 219641784U CN 202321226619 U CN202321226619 U CN 202321226619U CN 219641784 U CN219641784 U CN 219641784U
- Authority
- CN
- China
- Prior art keywords
- test needle
- sleeve
- telescopic rod
- needle
- test
- 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.)
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 109
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000002035 prolonged effect Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model discloses a novel test needle which comprises a test needle, an elastic piece and a sleeve, wherein the test needle is provided with a telescopic rod, the upper part of the telescopic rod is movably inserted into the sleeve, the top end of the telescopic rod penetrates through the sleeve to form a guide head, the elastic piece is sleeved on the lower part of the telescopic rod, and the elastic piece is limited and compressed between the test needle and the sleeve. The utility model adopts the elastic piece to form the buffer effect, so that the excessive impact caused by the test on a workpiece in the detection process is avoided, meanwhile, the impact deformation of the test needle is also avoided, the service life is prolonged, in addition, when the novel test needle is installed, the sleeve is fixedly installed on the device, the telescopic rod is always limited by the guiding of the sleeve, meanwhile, the guiding head formed by the telescopic rod extending out of the top of the sleeve is also positioned in the device and is limited by the guiding of the device, the perpendicularity of the telescopic rod during the movement is ensured through multiple guiding limitations, the test needle is not easy to run and deform during the use, the test efficiency is ensured, and the false detection rate is reduced.
Description
Technical Field
The utility model belongs to the technical field of test needles, and particularly relates to a novel test needle.
Background
The quartz crystal resonator is one kind of electronic element for producing high precision oscillating frequency with the piezoelectric effect of quartz crystal, and belongs to the field of passive element. The element mainly comprises quartz wafer, base, shell, silver colloid, silver, etc. The resonator pin test requires the use of a test pin. The size of the existing test needle is smaller, in the test, the product position is slightly deviated, the test needle can slide out of the test range, the test needle is damaged by distortion, and the service life is shorter.
Disclosure of Invention
The utility model aims to provide a novel test needle technical scheme aiming at the defects existing in the prior art, the structural design is compact and reasonable, the practicability is strong, the buffer effect is formed by adopting an elastic piece, the overlarge impact on a workpiece in the test process is avoided, meanwhile, the impact deformation of the test needle is also avoided, the service life is prolonged, in addition, when the novel test needle is installed, a sleeve is fixedly installed on equipment, a telescopic rod is always limited by the guiding of the sleeve, meanwhile, a guiding head formed by extending the telescopic rod out of the top of the sleeve is also positioned in the equipment and is limited by the guiding of the equipment, the perpendicularity of the telescopic rod during movement is ensured through multiple guiding limitation, the test needle is not easy to run and deform during use, the test efficiency is ensured, the false detection rate is reduced, and the service life is prolonged.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a novel test needle, includes test needle, elastic component and sleeve, is provided with the telescopic link on the test needle, and the upper portion activity of telescopic link is pegged graft in the sleeve, and the top of telescopic link runs through and extends to telescopic outside and form the direction head, and the elastic component cover is established in the lower part of telescopic link, and the spacing compression of elastic component is between test needle and sleeve.
Further, the diameter of the test needle is 0.5 mm-1.2 mm, and in the prior art, the diameter of the test needle is thinner, so that the test needle is easy to deform when in use.
Further, the test needle and the telescopic rod are of an integrated structure, the design is reasonable, the design of the integrated structure can ensure the integral structural strength of the test needle, the use is not easy to deform, and the actual processing and forming are convenient.
Further, the bottom of test needle is provided with the tip, and the tip is the cone head, has set up the tip of cone head in the bottom of test needle for the test gets the point more accurate, improves the actual test accuracy of test needle.
Further, the needle head and the test needle are of an integrated structure, the integrated structure is adopted to facilitate actual processing, meanwhile, the connection strength of the needle head and the test needle can be guaranteed, the stability and the firmness of the overall structure are improved, and the service life is prolonged.
Further, the axial leads of the needle head part, the test needle and the telescopic rod are collinear, the structural design is reasonable, and the three parts are coaxially arranged, so that the quality of the test needle is ensured.
Further, the junction of test needle and telescopic link is provided with spacing baffle ring, and the spacing compression of elastic component is between spacing baffle ring and sleeve, and design benefit is reasonable, and spacing baffle ring cooperation sleeve just in time is spacing with the both ends of elastic component, improves overall structure stability and fastness after the equipment, when the test needle contradicts to the work piece that awaits measuring, the elastic component can play the cushioning effect, avoids the impact damage that the test caused to the work piece surface and the impact deformation of syringe needle portion self, increase of service life.
Further, the elastic component is compression spring, and the elastic component adopts compression spring, and compression spring's one end butt sleeve end, compression spring's the other end butt spacing baffle ring, and compression spring is compression state all the time, ensures the equipment stability and the reliability of whole test needle structure, and compression spring's elasticity is good, and is common elastic component, and the product is easy to obtain, and is with low costs.
Further, be provided with the throat on the sleeve, the position department that corresponds the throat on the sleeve inner wall inwards protrudes and forms spacing convex part, be provided with spacing bulge loop on the lateral wall of telescopic link, spacing bulge loop cooperation spacing convex part, the restriction telescopic link has just formed spacing convex part in the downshifting of sleeve structural design is ingenious reasonable, but the telescopic link is pegged graft just in time to be equipped with spacing bulge loop on the lateral wall of the part in the sleeve corresponding the throat department, spacing bulge loop is located the top of spacing convex part, spacing bulge loop receives the restriction of spacing convex part, the restriction telescopic link is downshifting in the sleeve, the resilience restoring force of cooperation elastic component simultaneously, effectively ensure the equipment fastness between telescopic link and the sleeve.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the novel test needle is compact and reasonable in structural design and high in practicality, the buffer effect is formed by the elastic piece, overlarge impact caused by testing on a workpiece in the detection process is avoided, meanwhile, impact deformation of the test needle is avoided, the service life is prolonged, the sleeve is fixedly arranged on equipment when the novel test needle is installed, the telescopic rod is always limited by guiding of the sleeve, meanwhile, the guiding head formed by extending the telescopic rod out of the top of the sleeve is also positioned in the equipment and limited by guiding of the equipment, perpendicularity of the telescopic rod during moving is ensured through multiple guiding limitation, so that the test needle is not easy to run and deform during use, the test efficiency is ensured, the false detection rate is reduced, and the service life is prolonged.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a novel test needle according to the present utility model;
fig. 2 is a schematic view of a partial enlarged structure at I in fig. 1.
In the figure: 1-a test needle; 2-an elastic member; 3-sleeve; 4-a telescopic rod; 5-guiding the head; 6-a needle part; 7-limiting baffle rings; 8-necking; 9-limit convex parts and 10-limit convex rings.
Detailed Description
As shown in fig. 1 and 2, the novel test needle comprises a test needle 1, an elastic piece 2 and a sleeve 3, wherein a telescopic rod 4 is arranged on the test needle 1, the test needle 1 and the telescopic rod 4 are of an integrated structure, the design is reasonable, the integral structure strength of the test needle 1 can be ensured by adopting the design of the integrated structure, the use is not easy to deform, and the actual processing and forming are convenient. The upper part of the telescopic rod 4 is movably inserted in the sleeve 3, the top end of the telescopic rod 4 penetrates through the sleeve 3 to form a guide head 5, the elastic piece 2 is sleeved on the lower part of the telescopic rod 4, the elastic piece 2 is limited and compressed between the test needle 1 and the sleeve 3, the elastic piece 2 is sleeved on the outer part of the telescopic rod 4 by adopting an external design, the design is reasonable, the assembly is convenient, the sleeve 3 is fixedly arranged on equipment when the novel test needle 1 is installed, the upper part of the telescopic rod 4 is always limited by the guide of the sleeve 3, and meanwhile, the guide head 5 formed by extending out of the top of the sleeve is also positioned in the equipment and limited by the guide of the equipment.
The diameter of the test needle 1 is 0.5 mm-1.2 mm, the diameter of the test needle 1 is thinner in the prior art, so that the test needle 1 is easy to deform when in use, the diameter range of the test needle 1 is limited in the utility model, and compared with the test needle 1 in the prior art, the diameter of the test needle 1 is thickened, so that the structural strength of the test needle 1 is improved by ensuring the diameter size of the test needle 1, the test needle 1 is not easy to deform when in use, and the service life is prolonged.
The bottom of test needle 1 is provided with tip portion 6, and tip portion 6 is the conical head, has set up the tip portion 6 of conical head in the bottom of test needle 1 for the test gets the point more accurate, improves the actual test accuracy of test needle 1. The needle head 6 and the test needle 1 are of an integrated structure, the integrated structure is adopted to facilitate practical processing, meanwhile, the connection strength of the needle head 6 and the test needle 1 can be ensured, the stability and the firmness of the overall structure are improved, and the service life is prolonged. The axial leads of the needle head 6, the test needle 1 and the telescopic rod 4 are collinear, the structural design is reasonable, and the three are arranged coaxially, so that the quality of the test needle 1 is ensured.
The junction of test needle 1 and telescopic link 4 is provided with spacing baffle ring 7, and spacing compression of elastic component 2 is between spacing baffle ring 7 and sleeve 3, and design benefit is reasonable, and spacing baffle ring 7 cooperation sleeve 3 just in time is spacing with the both ends of elastic component 2, improves overall structure stability and fastness after the equipment, when test needle 1 contradicts the work piece that awaits measuring, elastic component 2 can play the cushioning effect, avoids impact damage and the impact deformation of syringe needle portion 6 self that test needle 1 caused the work piece surface, increase of service life.
The elastic piece 2 is compression spring, and the elastic piece 2 adopts compression spring, and compression spring's one end butt sleeve 3 end, compression spring's the other end butt limit stop 7, and compression spring is compression state all the time, and compression spring's elasticity is good, and is common elastic piece 2, and the product is easy to obtain, and is with low costs.
The telescopic rod is characterized in that the sleeve 3 is provided with the shrinkage opening 8, the position corresponding to the shrinkage opening 8 on the inner wall of the sleeve 3 is inwards protruded to form a limit convex part 9, the outer side wall of the telescopic rod 4 is provided with a limit convex ring 10, the limit convex ring 10 is matched with the limit convex part 9 to limit the telescopic rod 4 to move downwards in the sleeve 3, the structural design is ingenious and reasonable, the position corresponding to the shrinkage opening 8 in the sleeve 3 is just formed with the limit convex part 9, the telescopic rod 4 is just correspondingly provided with the limit convex ring 10 on the outer side wall of the part of the telescopic rod 4 inserted in the sleeve 3, the limit convex ring 10 is positioned above the limit convex part 9, the limit convex ring 10 is limited by the limit convex part 9 to limit the telescopic rod 4 to move downwards in the sleeve 3, and simultaneously is matched with the rebound reset force of the elastic piece 2 to effectively ensure the assembly firmness between the telescopic rod 4 and the sleeve 3.
The novel test needle 1 is compact and reasonable in structural design and high in practicality, the elastic piece 2 is adopted to form a buffering effect, overlarge impact of the test needle 1 on a workpiece in the detection process is avoided, meanwhile, impact deformation of the test needle 1 is avoided, the service life is prolonged, the sleeve 3 is fixedly arranged on equipment when the novel test needle 1 is installed, the telescopic rod 4 is always limited by guiding of the sleeve 3, meanwhile, the guiding head 5 formed by extending the telescopic rod 4 out of the top of the sleeve is also positioned in the equipment and limited by guiding of the equipment, perpendicularity of the telescopic rod 4 during moving is ensured through multiple guiding limitations, so that the test needle 1 is not easy to run and deform when in use, the testing efficiency is ensured, the false testing rate is reduced, the service life is prolonged, and the production cost is reduced.
The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present utility model to achieve substantially the same technical effects are included in the scope of the present utility model.
Claims (9)
1. The utility model provides a novel test needle which characterized in that: including test needle, elastic component and sleeve, be provided with the telescopic link on the test needle, the upper portion activity of telescopic link is pegged graft in the sleeve, just the top of telescopic link runs through and extends to telescopic outside forms the direction head, the elastic component cover is established the lower part of telescopic link, just the spacing compression of elastic component is in the test needle with between the sleeve.
2. A novel test needle according to claim 1, wherein: the diameter of the test needle is 0.5 mm-1.2 mm.
3. A novel test needle according to claim 1, wherein: the test needle and the telescopic rod are of an integrated structure.
4. A novel test needle according to claim 1, wherein: the bottom of test needle is provided with the tip, the tip is the conical head.
5. The novel test needle of claim 4, wherein: the needle head part and the test needle are of an integrated structure.
6. The novel test needle of claim 4, wherein: the axes of the needle head part, the test needle and the telescopic rod are collinear.
7. A novel test needle according to claim 1, wherein: the test needle with the junction of telescopic link is provided with spacing baffle ring, the spacing compression of elastic component is in spacing baffle ring with between the sleeve.
8. A novel test needle according to claim 1, wherein: the elastic piece is a compression spring.
9. A novel test needle according to claim 1, wherein: the telescopic sleeve is characterized in that a necking is formed in the sleeve, a limiting convex part is formed by inwards protruding at the position, corresponding to the necking, on the inner wall of the sleeve, of the telescopic rod, a limiting convex ring is arranged on the outer side wall of the telescopic rod, and is matched with the limiting convex part to limit the telescopic rod to move downwards in the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226619.5U CN219641784U (en) | 2023-05-16 | 2023-05-16 | Novel test needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226619.5U CN219641784U (en) | 2023-05-16 | 2023-05-16 | Novel test needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641784U true CN219641784U (en) | 2023-09-05 |
Family
ID=87815467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226619.5U Active CN219641784U (en) | 2023-05-16 | 2023-05-16 | Novel test needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641784U (en) |
-
2023
- 2023-05-16 CN CN202321226619.5U patent/CN219641784U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |