CN209747767U - scale type clamping spring and plug bush - Google Patents
scale type clamping spring and plug bush Download PDFInfo
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- CN209747767U CN209747767U CN201920932792.4U CN201920932792U CN209747767U CN 209747767 U CN209747767 U CN 209747767U CN 201920932792 U CN201920932792 U CN 201920932792U CN 209747767 U CN209747767 U CN 209747767U
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- clamp spring
- scale
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- main body
- spring
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Abstract
The utility model discloses a scale type clamp spring, which comprises a U-shaped clamp spring main body, wherein the middle part of each end surface of the clamp spring main body is punched to form a plurality of inclined scale type elastic sheets, the scale type elastic sheets on the same end surface of the clamp spring main body are linearly arranged, and the scale type elastic sheets on the two end surfaces of the clamp spring main body are inclined towards the inner side of the clamp spring main body; the end part of the fish scale type elastic sheet is provided with a straight first contact area. The utility model provides a scale formula clamp spring has stronger support nature and resilience to when switching on the heavy current, reduce the loss.
Description
Technical Field
The utility model relates to a press from both sides spring contact technical field, especially relate to a scale formula clamp spring and plug bush.
Background
Chinese patent CN201720245952.9 provides a plug bush formula electric connection device, including plug, socket and bush, the socket includes plug bush and socket cable, socket cable connects on the plug bush, the plug bush is equipped with the holding hole, during the holding hole was located to the bush, the bush is equipped with the slot, the bush is equipped with two relative interior concave surfaces, interior concave surface is bars strip face, the plug includes inserted sheet and plug cable, plug cable connects on the inserted sheet. The plug bush type electric connection device is convenient to insert and pull out, simple in structure and reliable in connection.
However, the support and resilience of the corresponding bushing structure will be seriously reduced after the insertion and extraction of the sleeve structure in the above technical scheme for a long time.
The plug bush is contacted with the top end of the concave surface in the middle part when in contact with the contact pin, namely point contact. Meanwhile, the main factors combining the contact resistance R (Ω) are: a. effective conductive distance L (m) of the conductor, resistivity ρ (Ω. mm2/m) of the conductor, and effective conductive cross-sectional area A (mm2) of the conductor.
the corresponding principle expression is as follows:
The effective cross-sectional area a of the bushing is relatively small, corresponding to a relatively large contact resistance R. When a large current is conducted, a large consumption occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a scale formula presss from both sides spring has stronger support nature and resilience to when switching on the heavy current, reduce the loss.
The utility model discloses a technical scheme that squama formula clamp spring adopted is:
The scale-type clamp spring comprises a U-shaped clamp spring main body, wherein the middle part of each end face of the clamp spring main body is punched to form a plurality of inclined scale-type elastic sheets, the scale-type elastic sheets on the same end face of the clamp spring main body are linearly arranged, and the scale-type elastic sheets on the two end faces of the clamp spring main body are inclined towards the inner side of the clamp spring main body; the end part of the fish scale type elastic sheet is provided with a straight first contact area.
Preferably, each end face of the clamp spring main body is punched to form a plurality of inclined auxiliary spring pieces, the punching directions of the auxiliary spring pieces and the fishscale type spring pieces are opposite, and the auxiliary spring pieces on the two end faces of the clamp spring main body are inclined towards the outer side of the clamp spring main body.
Preferably, the auxiliary elastic pieces on the same end surface of the clamp spring main body are arranged on two sides of the central axis of the scale-shaped elastic piece, and the auxiliary elastic pieces are symmetrically distributed around the central axis of the scale-shaped elastic piece.
preferably, a plurality of curling elastic sheets extend from two adjacent ends of the clamp spring main body, and the curling directions of the curling elastic sheets are towards the inner side of the clamp spring main body;
One side of the end part of the clamp spring main body, which is close to the curled elastic sheet, is provided with a conducting area, and the end part of the curled elastic sheet is accommodated in the conducting area.
Preferably, a straight second contact area is arranged at the top end of the curled elastic sheet.
Preferably, two raised fixed elastic sheets are stamped on the side edge of the clamp spring main body connecting the two end faces, and the fixed elastic sheets raise towards the outer side of the clamp spring main body.
Preferably, a plurality of limiting protrusions are punched on two end faces of the clamp spring body.
The technical scheme also provides an insert sleeve which comprises a U-shaped sleeve part, wherein the end part of the sleeve part is provided with a fixing bulge extending inwards, a plurality of grooves are formed in two inner end surfaces of the sleeve part, and a notch is formed in the side edge of the sleeve part, which is connected with the two end surfaces; still include like aforementioned fish scale formula clamp spring, fish scale formula clamp spring is attached in the external member internal surface, the fixed arch of curling shell fragment top contact, spacing arch is fixed with the recess cooperation, fixed shell fragment rises to stick up and the breach block is fixed.
The utility model discloses a scale formula clamp spring's beneficial effect is: the middle part of each end face of the U-shaped clamp spring main body is punched to form a plurality of inclined scale-shaped elastic sheets, the scale-shaped elastic sheets on the same end face of the clamp spring main body are linearly arranged, and the scale-shaped elastic sheets on the two end faces of the clamp spring main body are inclined towards the inner side of the clamp spring main body. The fish scale type shrapnel has stronger support property compared with the strip-shaped shrapnel, and when the pressure applied on the fish scale type shrapnel is removed, the good restoring force of the fish scale type shrapnel can support the fish scale type shrapnel to rebound to the original natural state. The end part of the fish scale type elastic sheet is provided with a straight first contact area. When the insert is inserted, the first contact region is in contact with the insert, which is equivalent to increase the effective conductive sectional area A, so that the contact resistance R is relatively reduced, and the corresponding loss is greatly reduced when a large current is conducted.
Drawings
Fig. 1 is a schematic structural view of the flake-type clip spring of the present invention.
Fig. 2 is an enlarged view of the scale-type clamping spring region a of the present invention.
Fig. 3 is an enlarged view of the B region of the squama-type clamp spring of the present invention.
Fig. 4 is a first side view of the squama-type clip spring of the present invention.
Fig. 5 is a second side view of the squama-type clamp spring of the present invention.
Fig. 6 is a bottom view of the scale-type clamp spring of the present invention.
Fig. 7 is a top view of the insert of the present invention.
Fig. 8 is a side view of the insert of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
Referring to fig. 1 and 2, a leaf-type clamp spring includes a U-shaped clamp spring body 10.
The middle part of each end face of the U-shaped clamp spring main body 10 is punched to form a plurality of inclined scale-shaped elastic sheets 11, the scale-shaped elastic sheets 11 on the same end face of the clamp spring main body 10 are linearly arranged, and the scale-shaped elastic sheets 11 on the two end faces of the clamp spring main body 10 are inclined towards the inner side of the clamp spring main body 10. The fish scale type shrapnel 11 has stronger support property compared with the strip type shrapnel, and when the pressure applied on the fish scale type shrapnel 11 is removed, the good restoring force of the fish scale type shrapnel can support the fish scale type shrapnel to rebound to the original natural state.
The end of the fish scale type shrapnel 11 is provided with a straight first contact zone 111. When the insert 30 is inserted, the first contact region 111 contacts the insert 30, which is equivalent to increase the effective conductive sectional area a, so the contact resistance R is relatively reduced, and the corresponding loss is greatly reduced when a large current is conducted.
Referring to fig. 4 and 6, each end surface of the clamp spring main body 10 is punched to form a plurality of inclined auxiliary resilient strips 12, the pressing direction of the auxiliary resilient strips 12 is opposite to that of the fish scale type resilient strips 11, and the auxiliary resilient strips 12 on both end surfaces of the clamp spring main body 10 are inclined toward the outside of the clamp spring main body 10. Increasing the contact area a1 of the clamp spring body 10 with the mating sleeve 20 assists the clamp spring body 10 in reducing the contact resistance R1. Meanwhile, when the insert 30 is inserted into the clamp spring body 10, the two end faces of the clamp spring body 10 will be pushed open, and the auxiliary spring 12 will tightly push against the external sleeve member 20, so as to improve the contact displacement resistance.
The auxiliary shrapnels 12 on the same end surface of the clamp spring main body 10 are arranged on two sides of the central axis of the fish scale type shrapnel 11, and the auxiliary shrapnels 12 are symmetrically distributed with the central axis of the fish scale type shrapnel 11. The stress of the clamp spring is more uniform, and the service life of the clamp spring main body is prolonged.
Referring to fig. 5, a plurality of curled elastic sheets 13 extend from two adjacent ends of the clamp spring body 10, and the curled elastic sheets 13 are all towards the inside of the clamp spring body 10. When the external insert 30 is inserted, the curled elastic sheet 13 can increase the contact area a2, thereby reducing the contact resistance R2.
One side of the end part of the clamp spring main body 10 close to the curling elastic sheet 13 is provided with a conducting area 14, and the end part of the curling elastic sheet 13 is accommodated in the conducting area 14. The curled elastic sheet 13 has enough space to deform, so that the deformation quantity is increased, and the elasticity is improved.
Referring to fig. 3, the top end of the curled elastic sheet 13 is provided with a flat second contact region 131. When the external insert 30 is inserted, the second contact region 131 at the top end of the curled elastic sheet 13 is in contact with the insert 30 in a planar manner, so that the contact area a3 can be increased, and the contact resistance R3 is further reduced.
Referring to fig. 7 and 8, the present embodiment further provides an insert sleeve, which includes a U-shaped sleeve 20, a fixing protrusion 21 extending inward is disposed at an end of the sleeve 20, a plurality of grooves (not shown) are disposed on two inner end surfaces of the sleeve 20, and a notch 22 is disposed on a side edge of the sleeve 20 connecting two end surfaces.
two raised fixed elastic sheets 15 are stamped on the side edges of the two end surfaces connected with the clamp spring main body 10, and the fixed elastic sheets are raised towards the outer side of the clamp spring main body. A plurality of limiting protrusions 16 are punched on both end surfaces of the clamp spring body 10.
The fish scale type clamping spring is attached to the inner surface of the sleeve 20, the curled elastic sheet 13 abuts against the fixed protrusion 21, the limiting protrusion 16 is matched and fixed with the groove, and the fixed elastic sheet 15 is warped and clamped and fixed with the notch 22. The contact displacement resistance of the composite material is improved by fixing the composite material through three fixing methods.
The utility model provides a scale formula clamp spring, the fish scale formula shell fragment of a plurality of slopes is formed in the punching press of each terminal surface middle part of U type clamp spring main part, and a plurality of fish scale formula shell fragments orthoscopic of the same terminal surface of clamp spring main part are arranged, and the fish scale formula shell fragment of the both ends face of clamp spring main part all inclines to clamp spring main part inboard. The fish scale type shrapnel has stronger support property compared with the strip-shaped shrapnel, and when the pressure applied on the fish scale type shrapnel is removed, the good restoring force of the fish scale type shrapnel can support the fish scale type shrapnel to rebound to the original natural state. The end part of the fish scale type elastic sheet is provided with a straight first contact area. When the insert is inserted, the first contact region is in contact with the insert, which is equivalent to increase the effective conductive sectional area A, so that the contact resistance R is relatively reduced, and the corresponding loss is greatly reduced when a large current is conducted.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The scale-type clamp spring comprises a U-shaped clamp spring main body and is characterized in that the middle of each end face of the clamp spring main body is punched to form a plurality of inclined scale-type elastic sheets, the scale-type elastic sheets on the same end face of the clamp spring main body are linearly arranged, and the scale-type elastic sheets on the two end faces of the clamp spring main body are inclined towards the inner side of the clamp spring main body;
the end part of the fish scale type elastic sheet is provided with a straight first contact area.
2. The scale-type clip spring of claim 1, wherein each end face of the clip spring body is stamped to form a plurality of inclined auxiliary resilient tabs, the auxiliary resilient tabs are stamped in a direction opposite to that of the scale-type resilient tabs, and the auxiliary resilient tabs on both end faces of the clip spring body are inclined toward the outside of the clip spring body.
3. the scale-type clip spring of claim 2, wherein the plurality of auxiliary clips on the same end surface of the clip spring body are disposed on two sides of the central axis of the scale-type clip, and the auxiliary clips are symmetrically disposed about the central axis of the scale-type clip.
4. The scale-type clamp spring according to claim 1, wherein a plurality of curled resilient tabs extend from adjacent ends of the clamp spring body, and the curling directions of the plurality of curled resilient tabs are towards the inside of the clamp spring body;
One side of the end part of the clamp spring main body, which is close to the curled elastic sheet, is provided with a conducting area, and the end part of the curled elastic sheet is accommodated in the conducting area.
5. The scaled clip spring of claim 4, wherein the curled resilient member has a flat second contact region at a top end thereof.
6. The squama type clip spring as claimed in any one of claims 1 to 5, wherein two raised fixing spring strips are stamped out from the side edge of the clip spring body connecting the two end faces, and the fixing spring strips are raised towards the outside of the clip spring body.
7. The scaled clip spring according to any one of claims 1-5, wherein a plurality of limiting protrusions are punched on both end faces of the clip spring body.
8. The plug bush comprises a U-shaped sleeve piece, and is characterized in that fixing protrusions extending inwards are arranged at the end part of the sleeve piece, a plurality of grooves are arranged on two inner end surfaces of the sleeve piece, and a notch is formed in the side edge of the sleeve piece, which is connected with the two end surfaces;
The fish scale type clamp spring as claimed in any one of claims 1 to 7, wherein the fish scale type clamp spring is attached to the inner surface of the sleeve, the curled elastic sheet is in contact with the fixing protrusion, the limiting protrusion is fixed with the groove in a matched mode, and the fixing elastic sheet is warped and fixed with the notch in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932792.4U CN209747767U (en) | 2019-06-20 | 2019-06-20 | scale type clamping spring and plug bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932792.4U CN209747767U (en) | 2019-06-20 | 2019-06-20 | scale type clamping spring and plug bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209747767U true CN209747767U (en) | 2019-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920932792.4U Active CN209747767U (en) | 2019-06-20 | 2019-06-20 | scale type clamping spring and plug bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209747767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258372A (en) * | 2021-05-26 | 2021-08-13 | 宣城立讯精密工业有限公司 | Electrical connection kit and electrical connector |
| US11677175B2 (en) | 2021-05-26 | 2023-06-13 | Xuancheng Luxshare Precision Industry Co., Ltd. | Electrical connecting assembly and electrical connector |
-
2019
- 2019-06-20 CN CN201920932792.4U patent/CN209747767U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258372A (en) * | 2021-05-26 | 2021-08-13 | 宣城立讯精密工业有限公司 | Electrical connection kit and electrical connector |
| CN113258372B (en) * | 2021-05-26 | 2022-12-02 | 宣城立讯精密工业有限公司 | Electrical connection kit and electrical connector |
| US11658434B2 (en) | 2021-05-26 | 2023-05-23 | Xuancheng Luxshare Precision Industry Co., Ltd. | Electrical connecting assembly and electrical connector |
| US11677175B2 (en) | 2021-05-26 | 2023-06-13 | Xuancheng Luxshare Precision Industry Co., Ltd. | Electrical connecting assembly and electrical connector |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220425 Address after: 518000 West Side of Building C, 3, Yingtang Science and Technology Industrial Park, 18 Baiyuan Road, Guangming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN NETSOK TECHNOLOGY Co.,Ltd. Address before: 518000 112, building 14, Pengcheng garden, No. 8, Donghu Road, Luohu District, Shenzhen, Guangdong Patentee before: Ni Quan |