CN217062585U - Crown spring contact force compensation device - Google Patents
Crown spring contact force compensation device Download PDFInfo
- Publication number
- CN217062585U CN217062585U CN202220581701.9U CN202220581701U CN217062585U CN 217062585 U CN217062585 U CN 217062585U CN 202220581701 U CN202220581701 U CN 202220581701U CN 217062585 U CN217062585 U CN 217062585U
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- CN
- China
- Prior art keywords
- crown spring
- contact force
- spring
- sleeve
- force compensation
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- 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
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a hat spring contact force compensation arrangement, the power distribution box comprises a sleeve, the inside bottom of sleeve is equipped with the adjustment tank, the inner chamber threaded connection of adjustment tank has the regulating part, the standing groove has been seted up on the inside top of sleeve, hat spring has been placed to the inner chamber of standing groove, the slot has been seted up on telescopic top, the utility model relates to a hat spring contact force compensation arrangement utilizes outer hexagonal spanner to pass the slot and hat the spring and insert the hexagonal rotation inslot that the regulating part top was seted up, then the rotation regulation part, and the rotation of regulating part drives the regulating part and slowly moves up to extrude hat spring, thereby make hat spring extrusion deformation, reduce its axial interface minimum diameter.
Description
Technical Field
The utility model relates to a hat spring contact force compensation arrangement technical field specifically is a hat spring contact force compensation arrangement.
Background
The electric connector is a basic device for connecting a circuit and a transmission element, can effectively ensure stable and reliable circulation of power current or signals, is convenient for maintenance of electronic product combination, and is widely applied to the fields of rail transit, automobiles, electric power, communication, electronics, aerospace, military satellites and the like.
Because the different of jack structure, electric connector divide into categories such as hat spring jack, open type leaf spring jack, present spring hole, wherein hat spring electric connector compares other structure connectors, has simple structure, the reliability is high, advantage such as conduction current density height. The crown spring electric connector is composed of a sleeve and a crown spring, the sleeve is a rigid structural part, the crown spring is an elastic movable part, and the minimum diameter of the axial cross section circle of the crown spring is smaller than the diameter of a contact pin, so that when the contact pin is inserted, the crown spring is in close contact with the contact pin, the contact pressure between the crown spring and the contact pin is larger, the contact resistance between the crown spring and the contact pin is smaller, the surface temperature of a contact interface can be effectively reduced, and the reliability and the stability of power current and signal circulation are ensured.
The connection reliability of the crown spring in the working process is mainly related to the separation force of the single crown spring, and the separation force of the single crown spring is related to the positive pressure vertical to the surface of the crown spring. Positive pressure is a direct manifestation of contact force and directly affects the electrical contact performance of the crown spring connector. After the crown spring is used for a long time, due to the influence of stress relaxation and creep deformation, the minimum diameter of an axial interface of the crown spring is increased, the contact force between the crown spring and a contact pin is reduced, the contact resistance is increased, and the normal working performance of the crown spring is influenced. Therefore the utility model provides a hat spring contact force compensation arrangement when contact pin and hat spring contact force reduce for compensate contact force, thereby reduce contact resistance, increase of service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crown spring contact force compensation arrangement to the crown spring that proposes in solving above-mentioned background art is after long-time the use, because the influence of stress relaxation and creep, crown spring axial interface minimum diameter grow, and the contact force between crown spring and the contact pin reduces, leads to the contact resistance grow, influences the problem of the normal working property of crown spring.
In order to achieve the above purpose, the utility model provides a following technical scheme: the crown spring contact force compensation device comprises a sleeve, wherein an adjusting groove is formed in the bottom end inside the sleeve, an adjusting part is in threaded connection with an inner cavity of the adjusting groove, a placing groove is formed in the top end inside the sleeve, a crown spring is placed in the inner cavity of the placing groove, and an inserting groove is formed in the top end of the sleeve.
According to the crown spring contact force compensation device adopting the technical scheme, the external hexagonal wrench penetrates through the slot and the crown spring to be inserted into the hexagonal rotating groove formed in the top of the adjusting part, then the adjusting part is rotated, the adjusting part is driven by rotation of the adjusting part to slowly move upwards, and the crown spring is extruded, so that the crown spring is extruded and deformed, and the minimum diameter of an axial interface of the crown spring is reduced.
Preferably, the top of the adjusting part is in contact with the bottom end of the crown spring, and the crown spring is subjected to extrusion adjustment through the displacement of the adjusting part.
Preferably, the middle part of the top end of the adjusting part is provided with a hexagonal rotating groove for rotating an external hexagonal wrench.
Preferably, the crown spring includes two holding rings and stress strip, one of them the avris equidistance fixedly connected with of holding ring has a plurality of stress strips, and is a plurality of the equal fixed connection in the bottom of another holding ring in top of stress strip, two holding rings and stress strip constitute the crown spring jointly.
Preferably, the diameter of the slot is smaller than that of the holding groove, so that the crown spring is prevented from being removed from the slot.
Preferably, the adjusting groove, the adjusting part and the inserting groove are communicated with each other.
Compared with the prior art, the beneficial effects of the utility model are that:
when hat spring connector is owing to use for a long time, when the contact force reduces because creep and stress relaxation lead to, utilize outer hexagonal spanner to pass slot and hat spring and insert the hexagonal rotation inslot that the regulating part top was seted up, then rotatory regulating part, the rotation of regulating part drives the regulating part and slowly moves up, and extrude the hat spring, thereby make hat spring extrusion deformation, reduce its axial interface minimum diameter, outside contact pin is when inserting hat spring elastic deformation increase this moment, contact force between hat spring and the contact pin increases, contact resistance reduces and reaches operation requirement.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. a sleeve; 2. an adjustment groove; 3. adjusting parts; 4. a placement groove; 5. a crown spring; 6. a slot; 7. a hexagonal rotating groove; 8. a positioning ring; 9. and (4) a stress strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a crown spring contact force compensation device, including sleeve 1, the inside bottom of sleeve 1 is equipped with adjustment tank 2, and the inner chamber threaded connection of adjustment tank 2 has adjusting part 3, and standing groove 4 has been seted up on the inside top of sleeve 1, and crown spring 5 has been placed to the inner chamber of standing groove 4, and slot 6 has been seted up on the top of sleeve 1.
During the use, because long-time the use when hat spring connector, when the contact force reduces because creep and stress relaxation lead to, utilize outer hexagonal spanner to pass slot 6 and hat spring 5 and insert in the hexagonal rotation groove 7 that adjusting part 3 top was seted up, then rotatory adjusting part 3, adjusting part 3's rotation drives adjusting part 3 and slowly shifts up, and extrude hat spring 5, thereby make hat spring 5 compressive deformation, reduce its axial interface minimum diameter, the contact pin of outside when inserting hat spring 5 elastic deformation increase this moment, contact force between hat spring 5 and the contact pin increases, contact resistance reduces and reaches operation requirement.
The top of the adjusting part 3 is in contact with the bottom end of the crown spring 5.
When the adjustable pin is used, the crown spring 5 is driven to deform by the ascending of the adjusting part 3, the minimum diameter of the axial interface of the crown spring is reduced, and the elastic deformation of the crown spring 5 is increased when an external pin is inserted again.
The middle part of the top end of the adjusting part 3 is provided with a hexagonal rotating groove 7.
When the adjustable part is used, an external hexagonal wrench penetrates through the slot 6 and the crown spring 5 to be inserted into the hexagonal rotating groove 7 formed in the top of the adjusting part 3, then the adjusting part 3 is rotated, and the adjusting part 3 is driven to slowly move upwards by the rotation of the adjusting part 3.
The crown spring 5 comprises two positioning rings 8 and stress strips 9, wherein the edge side of one positioning ring 8 is fixedly connected with a plurality of stress strips 9 at equal intervals, and the tops of the stress strips 9 are fixedly connected with the bottom of the other positioning ring 8.
When the device is used, the positioning ring 8 connects the stress strips 9 to form the crown spring 5, and the positioning ring 8 is used for bearing extrusion force brought by adjustment.
The diameter of the insertion groove 6 is smaller than that of the placement groove 4.
When in use, the crown spring 5 is limited, and the crown spring 5 is prevented from moving out of the slot 6 after being extruded.
The regulating groove 2, the regulating part 3 and the insertion groove 6 are communicated with each other.
When in use, the device is used for adjusting parts.
During the specific use, because long-time the use is owing to when hat spring connector, because creep and stress relaxation lead to the contact force to reduce, when the operation requirement can't be satisfied in the contact resistance increase, usable outer hexagonal spanner this moment, pass slot 6 and hat spring 5 and insert in the hexagonal rotation groove 7 that the adjusting part 3 top was seted up, then rotatory adjusting part 3, the rotation of adjusting part 3 drives adjusting part 3 and slowly shifts up, and extrude hat spring 5, thereby make hat spring 5 compressive deformation, reduce its axial interface minimum diameter, the contact pin of outside this moment is hat spring 5 elastic deformation increase when inserting, contact force between hat spring 5 and the contact pin increases, contact resistance reduces and reaches operation requirement.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A crown spring contact force compensation device comprises a sleeve (1), and is characterized in that: the novel sleeve is characterized in that an adjusting groove (2) is formed in the bottom end inside the sleeve (1), an adjusting part (3) is connected to an inner cavity of the adjusting groove (2) in a threaded mode, a placing groove (4) is formed in the top end inside the sleeve (1), a crown spring (5) is placed in an inner cavity of the placing groove (4), and a slot (6) is formed in the top end of the sleeve (1).
2. A crown spring contact force compensation device according to claim 1, characterized in that: the top of the adjusting part (3) is contacted with the bottom end of the crown spring (5).
3. The crown spring contact force compensation device of claim 1, wherein: the middle part of the top end of the adjusting part (3) is provided with a hexagonal rotating groove (7).
4. The crown spring contact force compensation device of claim 1, wherein: crown spring (5) include two holding rings (8) and stress strip (9), one of them the avris equidistance fixedly connected with of holding ring (8) a plurality of stress strips (9), a plurality of the equal fixed connection in top of stress strip (9) is in the bottom of another holding ring (8).
5. A crown spring contact force compensation device according to claim 1, characterized in that: the diameter of the insertion groove (6) is smaller than that of the placement groove (4).
6. A crown spring contact force compensation device according to claim 1, characterized in that: the adjusting groove (2), the adjusting part (3) and the slot (6) are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220581701.9U CN217062585U (en) | 2022-03-17 | 2022-03-17 | Crown spring contact force compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220581701.9U CN217062585U (en) | 2022-03-17 | 2022-03-17 | Crown spring contact force compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217062585U true CN217062585U (en) | 2022-07-26 |
Family
ID=82491252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220581701.9U Expired - Fee Related CN217062585U (en) | 2022-03-17 | 2022-03-17 | Crown spring contact force compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217062585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799539A (en) * | 2023-08-16 | 2023-09-22 | 深圳欧晟科连接技术有限公司 | Crown spring capable of reducing insertion force of docking plug |
-
2022
- 2022-03-17 CN CN202220581701.9U patent/CN217062585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799539A (en) * | 2023-08-16 | 2023-09-22 | 深圳欧晟科连接技术有限公司 | Crown spring capable of reducing insertion force of docking plug |
| CN116799539B (en) * | 2023-08-16 | 2023-10-27 | 深圳欧晟科连接技术有限公司 | Crown spring capable of reducing insertion force of docking plug |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220726 |