CN214153248U

CN214153248U - Single-piece coiled torsion spring jack contact element

Info

Publication number: CN214153248U
Application number: CN202120300669.8U
Authority: CN
Inventors: 张志超; 邓永华; 邓忠平; 杨仲
Original assignee: Dongguan Xingyu Electronic Technology Co ltd
Current assignee: Dongguan Xingyu Electronic Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-07
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a torsional spring jack contact is rolled up to monolithic, including sleeve, jack contact, torsional spring, contact pin and cable crimping head, telescopic right-hand member is fixed with the jack contact, and the inside cover of telescopic left end is equipped with the torsional spring to the left end of torsional spring is located the left outside of sleeve, the inside of torsional spring is provided with the contact pin, and the left end of contact pin is inside and the right-hand member of jack contact is inside all to install cable crimping head, telescopic left end outside cover is equipped with the fixed lantern ring, and the fixed lantern ring is located the outside of torsional spring. This torsional spring jack contact is rolled up to monolithic through the bars that adopts curved surface beveling design, and the contact pin of embracing more easily improves the electric conductive property of this jack contact, and the outward flange of this bars is circular-arc setting, reduces the bars to the mechanical friction of contact pin to reduce the loss each other, be provided with the piece book of more quantity simultaneously, can improve the electric conductive property of the piece book when making to reduce production technology.

Description

Single-piece coiled torsion spring jack contact element

Technical Field

The utility model relates to a fill electric pile's power connection technical field, specifically be a torsional spring jack contact is rolled up to monolithic.

Background

With the continuous progress of the times, the conductive connector has become one of the essential core components in the electrical connection system and is widely used in life, the conductive connector generally consists of a socket contact piece and a pin, so the socket contact piece directly affects the performance of the conductive connector, however, the existing socket contact pieces have the following problems:

the crown spring used by the existing jack contact element is relatively simple in manufacturing process, so that the production cost is relatively low, but the electric conductivity of the crown spring is relatively poor, and compared with a single-piece coil torsion spring and the crown spring, the double-piece coil torsion spring is good in electric conductivity, however, in the actual production process, the machining process is relatively complex, so that the production cost is relatively high, and meanwhile, the mechanical friction generated in the process of plugging and unplugging the contact pin is relatively large, so that the loss is caused.

We therefore propose a single piece wrap torsion spring receptacle contact to address the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a torsional spring jack contact is rolled up to the monolithic to solve the electric conductive property of the crown spring of using in the current jack contact on the existing market that above-mentioned background art provided relatively poor, and the manufacturing cost of torsional spring is rolled up to the biplate is higher, and the comparatively complicated problem of processing technology.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a torsional spring jack contact is rolled up to monolithic, includes sleeve, jack contact, torsional spring, contact pin and cable crimping head, telescopic right-hand member is fixed with the jack contact, and the inside cover of telescopic left end is equipped with the torsional spring to the left end of torsional spring is located the left outside of sleeve, the inside of torsional spring is provided with the contact pin, and the left end of contact pin is inside and the right-hand member of jack contact is inside all to install cable crimping head, telescopic left end outside cover is equipped with the fixed lantern ring, and the fixed lantern ring is located the outside of torsional spring.

Preferably, the torsion spring is composed of a coil, a grid and a sheet coil, the coil is positioned at two ends of the grid, and the sheet coil is positioned at the side part of the coil mounted at the left end of the grid.

Preferably, the grid bars are designed in a curved surface oblique cutting mode, and the outer edges of the grid bars are arranged in an arc shape.

Preferably, the sheet coils are distributed at equal angles about the center of the spring coil, and the sheet coils are in an L shape.

Preferably, the contact pin forms unsmooth cooperation through torsional spring and sleeve, and telescopic left side outside forms clearance fit through torsional spring and fixed lantern ring.

Compared with the prior art, the beneficial effects of the utility model are that: the single-piece coiled torsion spring jack contact piece can ensure the contact area between a torsion spring and a contact pin, further ensure the conductivity of the jack contact piece, simultaneously reduce the mechanical friction on the contact pin in the plugging and unplugging process, reduce the loss, and improve the conductivity on the basis of reducing the manufacturing process;

1. the jack contact element is provided with a grid strip and a sheet coil, the jack contact element adopts a single-sheet coil torsion spring, the torsion spring consists of a spring coil, the grid strip and the sheet coil, the grid strip is obliquely cut by a curved surface before torsion, so that the inclination degree of the grid strip after torsion is larger, the contact pin can be easily embraced, and the outer edge of the grid strip adopts an arc design, so that the mechanical friction of the grid strip on the contact pin can be reduced, and the loss between the grid strip and the contact pin is reduced;

2. be provided with the piece and roll up and the fixed lantern ring, the piece through the equal angular distribution is rolled up, the electric conductivity of jack contact has been promoted greatly, thereby the electric conductivity of single piece book torsional spring can be close with the biplate book torsional spring under the prior art mutually, and the processing technology of single piece book torsional spring will be simple a lot of for the biplate book torsional spring under the prior art, and then can reduce manufacturing cost, the production efficiency of this jack contact has been improved, through the fixed lantern ring that sets up, when guaranteeing that the contact pin carries out the plug in the sleeve, the difficult condition that drops that appears, the stability of this single piece book torsional spring jack contact is improved.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an overall exploded view of the present invention;

FIG. 3 is a schematic view of the front cross-section structure of the torsion spring of the present invention;

fig. 4 is a front view of the grid of the present invention.

In the figure: 1. a sleeve; 2. a jack contact member; 3. a torsion spring; 301. a spring coil; 302. grid bars; 303. rolling the sheets; 4. a fixed collar; 5. inserting a pin; 6. a cable crimping connector.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a single-piece-coil torsion spring jack contact element comprises a sleeve 1, a jack contact element 2, a torsion spring 3, a spring ring 301, a grid strip 302, a piece coil 303, a fixed lantern ring 4, a contact pin 5 and a cable crimping head 6, wherein the jack contact element 2 is fixed at the right end of the sleeve 1, the torsion spring 3 is sleeved inside the left end of the sleeve 1, the left end of the torsion spring 3 is located outside the left side of the sleeve 1, the contact pin 5 is arranged inside the torsion spring 3, the cable crimping head 6 is installed inside the left end of the contact pin 5 and inside the right end of the jack contact element 2, the fixed lantern ring 4 is sleeved outside the left end of the sleeve 1, and the fixed lantern ring 4 is located outside the torsion spring 3;

the torsion spring 3 is composed of a spring coil 301, a grid 302 and a sheet coil 303, the spring coil 301 is positioned at two ends of the grid 302, the sheet coil 303 is positioned at the side part of the spring coil 301 arranged at the left end of the grid 302, the grid 302 adopts a curved surface beveling design, and the outer edge of the grid 302 is arranged in an arc shape, so that after the grid 302 is twisted, the inclination degree of the grid 302 is larger, the contact pin 5 can be clamped easily, and meanwhile, because the outer edge of the grid 302 is arranged in an arc shape, the mechanical friction of the grid 302 to the contact pin 5 can be reduced, and the loss is reduced;

the sheet coils 303 are distributed in an equal angle mode about the center of the spring coil 301, the sheet coils 303 are in an L shape, so that the electric conductivity of the contact element can be greatly improved under the action of the sheet coils 303 distributed in the equal angle mode through the torsion spring 3, the whole electric conductivity can be close to that of a double-sheet coil torsion spring due to the fact that the number of the sheet coils 303 is increased, the machining process of the single-sheet coil torsion spring is much simpler than that of the double-sheet coil torsion spring, and the production efficiency of the torsion spring 3 is improved;

contact pin 5 constitutes unsmooth cooperation through torsional spring 3 and sleeve 1, and sleeve 1's left side outside constitutes clearance fit through torsional spring 3 and fixed lantern ring 4, make jack contact 2 in the use, because the laminating effect between contact pin 5 and the torsional spring 3, and the piece is rolled up 303 under the effect of fixed lantern ring 4, laminate in sleeve 1's outside edge, and then improve this jack contact 2's working property, and make when contact pin 5 carries out the plug in jack contact 2, the phenomenon that the torsional spring 3 is difficult for taking place to drop.

The working principle is as follows: when the single-piece-coil torsion spring jack contact element is used, as shown in fig. 1-4, a torsion spring 3 provided with a piece coil 303 is inserted into the left side of a sleeve 1, wherein after the piece coil 303 expands and deforms, the piece coil 303 is perpendicular to a spring coil 301, then a fixed lantern ring 4 is pressed into the left end edge of the sleeve 1, at the moment, the piece coil 303 can be tightly attached to the edge of the sleeve 1 and the inner wall of the fixed lantern ring 4 along with the extrusion of the fixed lantern ring 4, so that the torsion spring 3 is not easy to fall off when a contact pin 5 is inserted into or pulled out of the jack contact element 2, the assembly of the jack contact element 2 is further completed, a cable crimping head 6 is respectively installed inside the contact pin 5 and the jack contact element 2, and finally the contact pin 5 with a cable is electrically connected when the plug into or pulled out of the jack contact element 2;

as shown in fig. 1-4, the torsion spring 3 is composed of a coil 301, a grid 302 and a sheet coil 303, and the grid 302 adopts a curved surface beveling design before twisting, the inclination degree of the grid 302 is larger after twisting, so that the pin 5 can be easily clasped, and the outer edge of the grid 302 adopts an arc design, thereby reducing the mechanical friction of the grid 302 on the pin 5, reducing the loss, and meanwhile, the number of the sheet coils 303 is larger, so that the conductive performance of the jack contact member 2 can be greatly improved, the conductive performance of the torsion spring 3 can be close to that of the double-sheet coil torsion spring in the prior art, and meanwhile, the processing technology of the torsion spring 3 is much simpler than that of the double-sheet coil torsion spring in the prior art, thereby improving the production efficiency and reducing the production cost.

Those not described in detail in this specification are within the skill of the art.

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

1. The utility model provides a torsional spring jack contact is rolled up to monolithic, includes sleeve (1), jack contact (2), torsional spring (3), contact pin (5) and cable crimping head (6), its characterized in that: the right-hand member of sleeve (1) is fixed with jack contact (2), and the inside cover of the left end of sleeve (1) is equipped with torsional spring (3) to the left end of torsional spring (3) is located the left outside of sleeve (1), the inside of torsional spring (3) is provided with contact pin (5), and inside and the right-hand member inside of jack contact (2) of the left end of contact pin (5) all install cable crimping head (6), the left end outside cover of sleeve (1) is equipped with fixed lantern ring (4), and fixed lantern ring (4) are located the outside of torsional spring (3).

2. A single piece coiled torsion spring receptacle contact according to claim 1, wherein: the torsion spring (3) is composed of a spring coil (301), a grid bar (302) and a sheet coil (303), the spring coil (301) is positioned at two ends of the grid bar (302), and the sheet coil (303) is positioned at the side part of the spring coil (301) installed at the left end of the grid bar (302).

3. A single piece coiled torsion spring receptacle contact according to claim 2, wherein: the grid bars (302) are designed in a curved surface oblique cutting mode, and the outer edges of the grid bars (302) are arranged in an arc shape.

4. A single piece coiled torsion spring receptacle contact according to claim 2, wherein: the sheet coil (303) is distributed in an equal angle mode about the center of the spring coil (301), and the sheet coil (303) is L-shaped.

5. A single piece coiled torsion spring receptacle contact according to claim 1, wherein: contact pin (5) constitute unsmooth cooperation through torsional spring (3) and sleeve (1), and the left side outside of sleeve (1) constitutes clearance fit through torsional spring (3) and fixed lantern ring (4).