CN208873944U

CN208873944U - Non-return ring and photovoltaic connector with the Non-return ring

Info

Publication number: CN208873944U
Application number: CN201822012383.0U
Authority: CN
Inventors: 陈新智
Original assignee: Kunshan Wenlian Electronics Co Ltd
Current assignee: Kunshan Wenlian Electronics Co Ltd
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-05-17
Anticipated expiration: 2028-12-03

Abstract

The utility model discloses a kind of Non-return ring and with the photovoltaic connector of the Non-return ring, for connection terminal and insulation shell, the Non-return ring is placed on terminal, the insulation shell is placed on the Non-return ring, the Non-return ring is equipped with the first seam, first seam is arranged along the axial direction of the Non-return ring, the Non-return ring is broken or is spliced into two with one's hands cyclic structure by the first seam crossing, the inner wall of the Non-return ring has buckle so that the Non-return ring is connected in the terminal, the Non-return ring can be connect with insulation shell, first seam has opposite two side walls, two side walls are all equipped with the buckle.The utility model realizes the quick connection of insulation crust and terminal, avoids the defect that conventional laser welding procedure is complicated, yield is low.

Description

Non-return ring and photovoltaic connector with the Non-return ring

Technical field

The utility model belongs to photovoltaic connector technical field, is used for connection terminal and insulation shell more particularly to one kind Non-return ring.

Background technique

Currently, the sleeve and contact pin of photovoltaic connector are mostly that punching press takes all of molding structure, in the assembled inside conduction of sleeve Net contacts when contact pin is inserted into conductive Intranet as conducting transmission medium, while oppressing conducting wire Intranet, and conductive Intranet connects with contact pin After touch, power delivery is realized.

With the development of science and technology, various electronic products constantly occur, huge change is brought to people's lives, even Connecing in the use of device has higher requirement to the fastness of connector and tight type, Non-return ring and inserts in the actual production process It is achieved a fixed connection by the way of laser welding between set/contact pin, such mode not only increases manual labor, but also pollutes Environment.

Utility model content

The utility model is mainly solving the technical problems that provide a kind of Non-return ring and the photovoltaic connection with the Non-return ring Device realizes the quick connection of insulation crust and terminal, avoids the defect that conventional laser welding procedure is complicated, yield is low.

In order to solve the above technical problems, the technical solution that the utility model uses is: a kind of Non-return ring, for connecting Terminal and insulation shell, the Non-return ring are placed on terminal, and the insulation shell is placed on the Non-return ring；

The Non-return ring is equipped with the first seam, and first seam is arranged along the axial direction of the Non-return ring, the retaining Circle is broken or is spliced into two with one's hands cyclic structure by the first seam crossing, and the inner wall of the Non-return ring has buckle so that the Non-return ring card It is connected in the terminal, the Non-return ring can be connect with insulation shell.

It further says, first seam has opposite two side walls, and two side walls are all equipped with the buckle.

Further to say, the Non-return ring has several outside elastic pieces so that Non-return ring is connect with insulation shell, Several described elastic pieces are along the circumferentially distributed of the Non-return ring.

It further says, one end of the elastic piece is connect with the Non-return ring, and the other end of the elastic piece is equipped with The inclined direction at angle, the chamfering is gradually tilted to the direction of Non-return ring insertion insulation shell inwardly from the outside of elastic piece.

It further says, the buckle is from the side wall of the first seam to knot made of the internal stretch of the Non-return ring Structure.

A kind of photovoltaic connector with above-mentioned Non-return ring, including Non-return ring and terminal, the terminal are equipped with and the card Detain the card hole that matches, the Non-return ring is placed on the terminal and described is stuck in card hole so that Non-return ring is fixed on terminal.

It further says, the terminal is set there are two and respectively sleeve and contact pin, the contact pin insert in the sleeve.

Further to say, collet chuck is equipped between the contact pin and sleeve, and the collet chuck is installed in the inner wall of the sleeve, When the contact pin inserts in the sleeve, the collet chuck clamps the contact pin.

It further says, the collet chuck is equipped with the second seam, and second seam is arranged along the axial direction of the collet chuck.

It further says, the collet chuck has several clamp arm being axially arranged along collet chuck, several clamp arm Along the circumferentially distributed of the collet chuck.

The beneficial effects of the utility model at least have the following:

The Non-return ring of the utility model is equipped with the first seam, is placed on terminal convenient for Non-return ring, the inner wall of Non-return ring has card Button, realizes the quick connection of insulation crust and terminal, compared with traditional laser welding, convenient for assembling, greatly reduces work Skill difficulty, improves product yield；

The utility model buckle is from the side wall of the first seam to structure made of the internal stretch of Non-return ring, to make to stop Move back that circle is more stable to be fixed on terminal；

The Non-return ring of the utility model have several elastic pieces, Non-return ring can by elastic piece realize quickly with insulation Shell connection, more preferably, one end of elastic piece are equipped with chamfering, the inclined direction of chamfering by elastic piece outside inwardly gradually It is tilted to the direction of Non-return ring insertion insulation shell, so that Non-return ring is firmly stuck in the inside of insulation shell, prevent terminal from exhausted It is pulled out in edge shell；

Collet chuck is equipped between the contact pin and sleeve of the utility model, collet chuck is equipped with the second seam, inserts convenient for collet chuck to be packed into The inside of set；

The outer peripheral surface of the terminal of the utility model is equipped with two circle retention beads, and Non-return ring is located between two circle retention beads, To preventing Non-return ring sliding axially along terminal, make Non-return ring it is more stable be fixed on terminal.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the Non-return ring of the utility model；

Fig. 2 is the structural schematic diagram of the sleeve of the utility model；

Fig. 3 is the structural schematic diagram of the photovoltaic connector of the utility model；

Fig. 4 is the structural schematic diagram of the collet chuck of the utility model；

Each section label is as follows in attached drawing:

Non-return ring 1, the first seam 11, buckle 12, elastic piece 13, chamfering 131, sleeve 2, card hole 21, retention bead 22, limit Position block 23, contact pin 3, collet chuck 4, the second seam 41 and clamp arm 42.

Specific embodiment

The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.

Embodiment: a kind of Non-return ring and the photovoltaic connector with the Non-return ring are used for connecting pin as Figure 1-Figure 4 Son and insulation shell, the Non-return ring 1 are placed on terminal, and the insulation shell is placed on the Non-return ring 1；

The Non-return ring 1 is equipped with the first seam 11, and first seam 11 is arranged along the axial direction of the Non-return ring 1, institute Non-return ring 1 is stated by breaking or being spliced into cyclic structure at the first seam 11 into two with one's hands, the inner wall of the Non-return ring 1 there is buckle 12 so that The Non-return ring 1 is connected in the terminal, and the Non-return ring 1 can be connect with insulation shell.

First seam 11 has opposite two side walls, and two side walls are all equipped with the buckle 12.

When it is implemented, the both ends of the Non-return ring 1 are all equipped with a pair of of buckle 12.

The Non-return ring 1 has several outside elastic pieces 13 so that Non-return ring 1 is connect with insulation shell, several institutes Elastic piece 13 is stated along the circumferentially distributed of the Non-return ring 1.

One end of the elastic piece 13 is connect with the Non-return ring 1, and the other end of the elastic piece 13 is equipped with chamfering 131, The inclined direction of the chamfering 131 is gradually inclined to the direction that Non-return ring 1 is inserted into insulation shell inwardly from the outside of elastic piece 13 Tiltedly.

When it is implemented, the elastic piece 13 is punching press knot made of extending from Non-return ring 1 to the periphery of the Non-return ring 1 Structure.

The buckle 12 is from the side wall of the first seam 11 to structure made of the internal stretch of the Non-return ring 1.

When it is implemented, the buckle 12 is in hook formation, and the direction of the hook portion of each pair of buckle 12 is opposite.

A kind of photovoltaic connector with above-mentioned Non-return ring, including Non-return ring 1 and terminal, the terminal are equipped with and the card The card hole 21 that button 12 matches, the Non-return ring 1 is placed on the terminal and the buckle 12 is stuck in card hole 21 so that Non-return ring 1 is solid Due to terminal.

When it is implemented, the outer peripheral surface of the terminal is equipped with two circle retention beads 22, the Non-return ring 1 is located at described in two circles It is slid axially between retention bead 22 with limiting Non-return ring 1.

The terminal is set there are two and respectively sleeve 2 and contact pin 3, the contact pin 3 insert in the sleeve 2.

When it is implemented, the inner surface of the sleeve 2 is equipped with several limited blocks 23, the limited block 23 is inserted along described Set 2 it is circumferentially distributed, the limited block 23 be to the sleeve 2 central protuberance punching structure.

Collet chuck 4 is equipped between the contact pin 3 and sleeve 2, the collet chuck 4 is installed in the inner wall of the sleeve 2, described to insert When needle 3 inserts in the sleeve 2, the collet chuck 4 clamps the contact pin 3.

The collet chuck 4 is equipped with the second seam 41, and second seam 41 is arranged along the axial direction of the collet chuck 4.

The collet chuck 4 has several clamp arm 42 being axially arranged along collet chuck 4, and several clamp arm 42 are along institute State the circumferentially distributed of collet chuck 4.

When it is implemented, the clamp arm 42 be arc clamp arm, and the inclined direction of arc clamp arm by clamp arm 42 both ends extremely Center is gradually tilted to the center of the collet chuck 4, so that contact pin 3 be made to be connected in the inside of sleeve 2.

The working principle of the utility model is as follows: two Non-return rings are respectively sleeved in sleeve and contact pin, the buckle of Non-return ring It is stuck in the card hole of sleeve or contact pin, so that Non-return ring be made quickly to be connected in sleeve or contact pin, collet chuck is packed into sleeve, is inserted Needle is inserted into sleeve, and collet chuck is made to clamp contact pin, compared with traditional laser welding, convenient for assembling, greatly reduces technology difficulty, mentions Product yield is risen.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be applied directly or indirectly in other Technical field is also included in the patent protection scope of the utility model.

Claims

1. a kind of Non-return ring, it is characterised in that: be used for connection terminal and insulation shell, the Non-return ring (1) is placed on terminal, described Insulation shell is placed on the Non-return ring；

The Non-return ring is equipped with the first seam (11), and first seam is arranged along the axial direction of the Non-return ring, the retaining Circle is broken or is spliced into two with one's hands cyclic structure by the first seam crossing, and the inner wall of the Non-return ring has buckle (12) so that the retaining Circle is connected in the terminal, and the Non-return ring can be connect with insulation shell.

2. Non-return ring according to claim 1, it is characterised in that: first seam have opposite two side walls, two A side wall is all equipped with the buckle.

3. Non-return ring according to claim 1, it is characterised in that: the Non-return ring has several outside elastic pieces (13) so that Non-return ring is connect with insulation shell, several described elastic pieces are along the circumferentially distributed of the Non-return ring.

4. Non-return ring according to claim 3, it is characterised in that: one end of the elastic piece is connect with the Non-return ring, The other end of the elastic piece is equipped with chamfering (131), the inclined direction of the chamfering from the outside of elastic piece inwardly gradually to Non-return ring is inserted into the direction inclination of insulation shell.

5. Non-return ring according to claim 2, it is characterised in that: the buckle is stopped from the side wall of the first seam to described Move back structure made of the internal stretch of circle.

6. a kind of photovoltaic connector with Non-return ring described in claim 1, it is characterised in that: including Non-return ring and terminal, The terminal, which is equipped with, buckles the card hole (21) that matches with described, and the Non-return ring is placed on the terminal and described is stuck in card Hole is so that Non-return ring is fixed on terminal.

7. photovoltaic connector according to claim 6, it is characterised in that: the terminal set there are two and respectively sleeve (2) and contact pin (3), the contact pin insert in the sleeve.

8. photovoltaic connector according to claim 7, it is characterised in that: collet chuck (4) are equipped between the contact pin and sleeve, The collet chuck is installed in the inner wall of the sleeve, and when the contact pin inserts in the sleeve, the collet chuck clamps the contact pin.

9. photovoltaic connector according to claim 8, it is characterised in that: the collet chuck is equipped with the second seam (41), described Second seam is arranged along the axial direction of the collet chuck.

10. photovoltaic connector according to claim 8, it is characterised in that: the collet chuck is with several along collet chuck The clamp arm (42) being axially arranged, several clamp arm are along the circumferentially distributed of the collet chuck.