CN218975834U - Crown spring - Google Patents

Abstract

The utility model relates to an electric connector's field especially relates to a crown spring, and it includes the body, the body is provided with first end strip and second end strip along axial opposite both sides, first end strip with be provided with between the second end strip around circumference interval distribution's a plurality of connecting strips, first end strip with the second end strip winds along circular arc route and sets up, just first end strip's first end both ends with the first end both ends of second end strip all do not link to each other, first end strip's first end with the first end of second end strip all is provided with first joint piece, first end strip's end with the end of second end strip all is provided with the second joint piece. The crown spring has the effect of improving the situation that the crown springs are overlapped due to mutual collision.

Description

Crown spring

Technical Field

The present application relates to the field of electrical connectors, and more particularly to a crown spring.

Background

At present, the crown spring is widely applied to aerospace, aviation, electronic element manufacturing, electric parts, resistance welding equipment parts and the like, and particularly widely applied to elastic connectors and the like, and has the advantages of soft plug, good vibration and impact resistance, long service life, convenience in connection and the like.

However, in order to facilitate assembly, the crown spring is generally designed as an open crown spring, because the crown spring has an opening, two crown springs are easily stacked together in the production process of the crown spring, such as the process of heat treatment and electroplating, when the crown spring needs to be assembled, the two stacked crown springs need to be removed, and the phenomenon of stacking the crown springs during electroplating affects the production efficiency, which needs to be improved.

Disclosure of Invention

In order to improve the situation that the crown springs are overlapped due to mutual collision, the application provides the crown springs.

The application provides a crown spring adopts following technical scheme:

the utility model provides a crown spring, includes the body, the body is provided with first end strip and second end strip along axial opposite both sides, first end strip with be provided with a plurality of connecting strips around circumference interval distribution between the second end strip, first end strip with the second end strip is along circular arc route coiling setting, just the first end strip first end both ends with the first end both ends of second end strip all do not link to each other, the first end of first end strip with the first end of second end strip all is provided with first joint piece, the end of first end strip with the end of second end strip all is provided with the second joint piece.

Through adopting above-mentioned technical scheme, because the crown spring is for convenient equipment generally all designs there being the opening for the crown spring is at the heat treatment or at the in-process of electroplating, because factors such as collision between two crown springs, make two crown springs pass through respective opening, produce the phenomenon of overlapping between two crown springs, the scheme of this application utilizes first joint piece and second joint piece to the spacing of crown spring opening part, the condition that the crown spring appears overlapping because of the mutual collision can effectually be improved to the scheme in this application.

Optionally, the first clamping block is close to one side of the connecting strip and is provided with a first clamping groove for embedding the second clamping block, and one side of the second clamping block away from the connecting strip is provided with a second clamping groove for embedding the first clamping block.

Through adopting above-mentioned technical scheme, when the in-process of electroplating is being electroplated to the crown spring, a plurality of crown springs collide each other, when the crown spring received outside striking, through first joint piece embedding second joint inslot, the second joint piece embedding second joint inslot for the opening of crown spring forms relative locking, and the higher the collision degree, the locking degree will also be high, reduces the probability because the opening produces overlapping phenomenon between two crown springs.

Optionally, the first joint piece is close to second joint piece one side is provided with first circular arc portion, the second joint piece is close to first joint piece one side is provided with second circular arc portion, first joint groove tank bottom is close to second circular arc portion one side is provided with third circular arc portion, second joint groove tank bottom is close to first circular arc portion one side is provided with fourth circular arc portion.

Through adopting above-mentioned technical scheme, when the crown spring receives the collision, make first joint piece and second joint piece receive the collision, through first circular arc portion and second circular arc portion, the wearing and tearing that receive first joint piece and second joint piece when reducing the collision, in the crown spring received the collision and lead to first joint piece embedding second joint inslot, the second joint piece is embedded into first joint inslot, through third circular arc portion and fourth circular arc portion, reduce the wearing and tearing that first joint piece and second joint groove collision received the crown spring, reduce the wearing and tearing that second joint piece and first joint groove collision received the crown spring, improve the life of crown spring.

Optionally, a through groove is formed between the two connecting strips, a first circular arc groove is formed on one side, close to the through groove, of the first end strip, a second circular arc groove is formed on one side, close to the through groove, of the second end strip, and the first circular arc groove, the second circular arc groove and the through groove are integrally formed.

Through adopting above-mentioned technical scheme, through first circular arc groove and second circular arc groove of design, utilize circular arc wall for can disperse the area of atress when the crown spring is pressed, improve the stability and the fastness of connecting strip, offer first circular arc groove on first end strip, offer the second circular arc groove on the second end strip, utilize the outer wall that first end strip and second end strip disperse connecting strip bore, thereby reduce crown spring and lead to cracked probability because of frequently being pressed, and then improve crown spring's life.

Optionally, the connecting strip include set up in first end strip be close to first vertical section of second end strip one side, set up in second end strip be close to second vertical section of first end strip one side and set up in first vertical section with the bending section between the second vertical section, just the bending section is along the direction slope of coiling axis.

Through adopting above-mentioned technical scheme, when using the crown spring, public needle is through first end strip, a plurality of connecting strip and second end strip in proper order, after the bending section contact of public needle and connecting strip, and exert force, make bending section take place elastic deformation towards keeping away from winding axis direction under the effect, after the public needle is pegged graft, be cliied under the elasticity effect of bending section, bending section slope towards along winding axis direction, make crown spring and public needle's basic area bigger, thereby improve the turn-on ability of product, make crown spring make the grafting of connector more have the steadiness, and the connecting strip possesses elastic compensation ability, can adapt to the connector of multiple different specification sizes.

Optionally, a positioning groove is disposed on a side of the first end strip away from the connecting strip.

Through adopting above-mentioned technical scheme, through the constant head tank, be convenient for with the protruding cooperation of female needle installation intracavity to avoid the male needle to drive the crown spring and rotate at the in-process of inserting or extracting, only offered the constant head tank at first end strip, distinguish the sign of first end strip and second end strip for the operator, improve the condition that the crown spring is easy to install mistake

Optionally, an inclined plane is arranged on the side wall of the positioning groove.

Through adopting above-mentioned technical scheme, utilize the design on inclined plane for when the protruding installation of constant head tank and female needle installation intracavity, have the effect of direction, make the installation more convenient.

Optionally, the inner diameter of the first end strip is equal to the inner diameter of the second end strip, and the outer diameter of the first end strip is equal to the outer diameter of the second end strip.

Through adopting above-mentioned technical scheme, utilize the thickness unanimity of first end strip and second end strip, alleviate rocking of crown spring at crown spring and female needle and public needle complex, improve the contact effect of crown spring and female needle and public needle, at the production process of crown spring, can adopt the same material to process, when improving production efficiency, be favorable to resources are saved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. because the crown springs are generally designed with openings for convenient assembly, the crown springs are subjected to heat treatment or in the electroplating process, and the two crown springs pass through the respective openings due to the collision and other factors, so that the phenomenon of overlapping between the two crown springs is generated;

2. when the crown springs are impacted by the outside, the first clamping blocks are embedded into the second clamping grooves, the second clamping blocks are embedded into the second clamping grooves, so that the openings of the crown springs form opposite locking, when the crown springs are in the electroplating process, the plurality of crown springs collide with each other, and when the collision degree is higher, the locking degree is higher, and the probability of overlapping phenomenon between the two crown springs due to the openings is reduced;

3. through design first circular arc groove and second circular arc groove, utilize circular arc wall for can disperse the area of force when the crown spring is pressed, improve the stability and the fastness of connecting strip.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with an embodiment of the present application;

fig. 3 is an enlarged view of part B of fig. 1 in an embodiment of the present application.

Reference numerals illustrate:

1. a body; 2. a first end bar; 3. a second end bar; 4. a connecting strip; 5. a first clamping block; 6. a second clamping block; 7. a first clamping groove; 8. a second clamping groove; 9. a first arc portion; 10. a second arc portion; 11. a third arc portion; 12. a fourth arc portion; 13. a through groove; 14. a first circular arc groove; 15. a second circular arc groove; 16. a first vertical section; 17. a curved section; 18. a positioning groove; 19. an inclined plane; 20. a second vertical section.

Detailed Description

The embodiment of the application discloses a crown spring. Referring to fig. 1 and 2, the device comprises a body 1, wherein a first end strip 2 and a second end strip 3 are arranged on two opposite sides of the body 1 along the axial direction, a plurality of connecting strips 4 which are distributed at intervals around the circumference are arranged between the first end strip 2 and the second end strip 3, the first end strip 2 and the second end strip 3 are wound along an arc path, the first end and the tail end of the first end strip 2 are not connected with the first end and the tail end of the second end strip 3, a first clamping block 5 is arranged on the first end of the first end strip 2 and the first end of the second end strip 3, and a second clamping block 6 is arranged on the tail end of the first end strip 2 and the tail end of the second end strip 3; a first clamping groove 7 for embedding the second clamping block 6 is formed in one side, close to the connecting strip 4, of the first clamping block 5, and a first clamping groove 7 for embedding the first clamping block 5 is formed in one side, far away from the connecting strip 4, of the second clamping block 6; the internal diameter of first end strip 2 equals with the internal diameter of second end strip 3, and the external diameter of first end strip 2 equals with the external diameter of second end strip 3, and in the production process of crown spring, the thickness that utilizes first end strip 2 and second end strip 3 is unanimous, alleviates the rocking of crown spring at crown spring and female needle and pin complex, improves the contact effect of crown spring and female needle and pin, in the production process of crown spring, can adopt the same material to process, is favorable to resources are saved when improving production efficiency.

In the embodiment of the application, as the crown springs are generally designed with openings for convenient assembly, the crown springs are subjected to heat treatment or collision between the two crown springs in the electroplating process, so that the two crown springs pass through the respective openings to generate the phenomenon of overlapping between the two crown springs; when the crown spring collides each other at electroplating process, when the crown spring received outside striking, the scheme of this application utilizes first joint piece 5 and second joint piece 6 spacing to crown spring opening part, rethread first joint piece 5 imbeds in second joint groove 8, second joint piece 6 imbeds in second joint groove 8 for the opening of crown spring forms relative locking, and the higher the collision degree, the locking degree will also be high, reduces because the probability that the opening produced overlap phenomenon between two crown springs, the condition that overlap phenomenon appears because of the mutual collision to the crown spring can effectually be improved to the scheme in this application.

Referring to fig. 2, first arc portion 9 is installed to first joint piece 5 near second joint piece 6 one side, second arc portion 10 is installed to second joint piece 6 near first joint piece 5 one side, third arc portion 11 is installed to first joint groove 7 tank bottom near second arc portion 10 one side, second arc portion 10 is installed to second joint groove 8 tank bottom near first arc portion 9 one side, in this embodiment, when the crown spring receives the collision, make first joint piece 5 and second joint piece 6 receive the collision, through first arc portion 9 and second arc portion 10, reduce the wearing and tearing that receive first joint piece 5 and second joint piece 6 during the collision, first joint piece 5 is embedded into second joint groove 8 because of the crown spring receives the collision, second joint piece 6 is embedded into first joint groove 7, through third arc portion 11 and fourth arc portion 12, reduce first joint piece 5 and second joint groove 8 collision, reduce the wearing and tearing that first joint piece 5 and second joint piece 6 received the crown spring, reduce the wearing and tearing and the service life improvement of crown spring 7 to the crown spring.

Referring to fig. 1, a through groove 13 is formed between two connecting strips 4, a first circular arc groove 14 is formed on one side of a first end strip 2 close to the through groove 13, a second circular arc groove 15 is formed on one side of a second end strip 3 close to the through groove 13, and the first circular arc groove 14, the second circular arc groove 15 and the through groove 13 are integrally formed; in this application implementation, the connecting strip 4 includes a first vertical section 16, a second vertical section 20 and a bending section 17, the first vertical section 16 is installed on one side of the first end strip 2 close to the second end strip 3, the second vertical section 20 is installed on one side of the second end strip 3 close to the first end strip 2, the bending section 17 is installed between the first vertical section 16 and the second vertical section 20, and the bending section 17 is inclined along the direction of the winding axis, when the crown spring is used in this application, the male pin sequentially passes through the first end strip 2, the plurality of connecting strips 4 and the second end strip 3, after the male pin contacts with the bending section 17 of the connecting strip 4, a force is applied, so that the bending section 17 is elastically deformed in a direction away from the winding axis under the action of force, after the male pin is inserted, the male pin is clamped under the action of the elasticity of the bending section 17, the bending section 17 is inclined in a direction along the winding axis, so that the contact area of the crown spring and the male pin is larger, so that is the conducting capability of the product is improved, and the plug connector is more stable is made; when the crown spring is electroplated or assembled, the arc-shaped wall surfaces are utilized by designing the first arc groove 14 and the second arc groove 15, so that the stressed area can be dispersed when the crown spring is pressed, the stability and the firmness of the connecting strip 4 are improved, the first arc groove 14 is arranged on the first end strip 2, the second arc groove 15 is arranged on the second end strip 3, and the outer walls born by the connecting strip 4 are dispersed by utilizing the first end strip 2 and the second end strip 3, so that the probability of fracture of the crown spring caused by frequent pressing is reduced, and the service life of the crown spring is prolonged;

referring to fig. 3, a positioning groove 18 is formed in one side, far away from the connecting strip 4, of the first end strip 2, an inclined surface 19 is formed in the side wall of the positioning groove 18, in the embodiment of the application, due to the design of the inclined surface 19, when the positioning groove 18 is installed with the protrusions in the female needle installation cavity, the positioning groove 18 has a guiding effect, so that the installation is more convenient, the positioning groove 18 is convenient to be matched with the protrusions in the female needle installation cavity, the male needle is prevented from driving the crown spring to rotate in the inserting or extracting process, the positioning groove 18 is formed in the first end strip 2 only, the operator is distinguished from the marks of the first end strip 2 and the second end strip 3, and the condition that the crown spring is easy to install errors is improved

The implementation principle of the crown spring in the embodiment of the application is as follows: in order to facilitate assembly, the common crown springs are provided with openings, but in the production process of the crown springs, the crown springs are required to be subjected to heat treatment, electroplating and other processes, so that resources are saved, and in order to improve the production efficiency, a batch of crown springs are electroplated together, collision between the two crown springs can be generated in the process, the two crown springs pass through the respective openings to generate a phenomenon of overlapping between the two crown springs, and in the subsequent process, when the crown springs are required to be assembled, the two overlapped crown springs are required to be separated, so that the production efficiency is reduced; when the crown spring collides each other at electroplating process, when the crown spring received outside striking, the scheme of this application utilizes first joint piece 5 and second joint piece 6 spacing to crown spring opening part, rethread first joint piece 5 imbeds in second joint groove 8, second joint piece 6 imbeds in second joint groove 8 for the opening of crown spring forms relative locking, and the higher the collision degree, the locking degree will also be high, reduces because the probability that the opening produced overlap phenomenon between two crown springs, the condition that overlap phenomenon appears because of the mutual collision to the crown spring can effectually be improved to the scheme in this application.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a crown spring, includes body (1), its characterized in that, body (1) are provided with first end strip (2) and second end strip (3) along axial opposite both sides, first end strip (2) with be provided with between second end strip (3) around circumference interval distribution's a plurality of connecting strips (4), first end strip (2) with second end strip (3) are along circular arc route coiling setting, just first end strip (2) first end with second end strip (3) first end and last both ends all do not link to each other, first end strip (2) first end with second end strip (3) first end all is provided with first joint piece (5), the end of first end strip (2) with the end of second end strip (3) all is provided with second joint piece (6).

2. A crown spring according to claim 1, wherein a first clamping groove (7) into which the second clamping block (6) is inserted is provided on a side of the first clamping block (5) close to the connecting bar (4), and a second clamping groove (8) into which the first clamping block (5) is inserted is provided on a side of the second clamping block (6) away from the connecting bar (4).

3. The crown spring of claim 2, wherein a first arc portion (9) is arranged on one side of the first clamping block (5) close to the second clamping block (6), a second arc portion (10) is arranged on one side of the second clamping block (6) close to the first clamping block (5), a third arc portion (11) is arranged on one side of the bottom of the first clamping groove (7) close to the second arc portion (10), and a fourth arc portion (12) is arranged on one side of the bottom of the second clamping groove (8) close to the first arc portion (9).

4. A crown spring according to claim 1, characterized in that a through groove (13) is formed between two connecting strips (4), a first circular arc groove (14) is arranged on one side of the first end strip (2) close to the through groove (13), a second circular arc groove (15) is arranged on one side of the second end strip (3) close to the through groove (13), and the first circular arc groove (14), the second circular arc groove (15) and the through groove (13) are integrally formed.

5. A crown spring according to claim 1, characterized in that the connecting strip (4) comprises a first vertical section (16) arranged at the side of the first end strip (2) close to the second end strip (3), a second vertical section (20) arranged at the side of the second end strip (3) close to the first end strip (2) and a curved section (17) arranged between the first vertical section (16) and the second vertical section (20), and in that the curved section (17) is inclined in the direction of the winding axis.

6. A crown spring according to claim 1, wherein the first end strip (2) is provided with a detent (18) on the side remote from the connecting strip (4).

7. A crown spring according to claim 6, wherein the side walls of the detent (18) are provided with bevels (19).

8. A crown spring according to claim 1, wherein the inner diameter of the first end strip (2) and the inner diameter of the second end strip (3) are equal, and the outer diameter of the first end strip (2) and the outer diameter of the second end strip (3) are equal.

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