阅读说明：本技术 一种防松退连接器 (Anti-loosening connector ) 是由 林广纳 邹太和 曾志坚 于 2019-11-12 设计创作，主要内容包括：本发明公开了一种防松退连接器,包括主体壳体和套装在主体壳体外部的外壳,所述主体壳体的下部和外壳的下部之间通过卡环卡接,所述主体壳体的上部和外壳的上部之间设有空腔,所述空腔内设有弹片,所述弹片包括用于与外壳固定连接的连接部和用于与主体壳体的外壁卡接的卡接部,所述连接部和卡接部固定连接；所述主体壳体的外壁设有卡槽,所述卡接部上与所述卡槽相匹配的设有凸台。本发明的防松退连接器弹片易安装,连接器的加工方便,加工精度低,防松退不容易失效。(The invention discloses an anti-loosening connector which comprises a main body shell and a shell sleeved outside the main body shell, wherein the lower part of the main body shell and the lower part of the shell are clamped through a clamping ring, a cavity is arranged between the upper part of the main body shell and the upper part of the shell, an elastic sheet is arranged in the cavity, the elastic sheet comprises a connecting part fixedly connected with the shell and a clamping part clamped with the outer wall of the main body shell, and the connecting part and the clamping part are fixedly connected; the outer wall of the main body shell is provided with a clamping groove, and a boss is arranged on the clamping portion and matched with the clamping groove. The anti-loosening connector elastic sheet is easy to install, the connector is convenient to process, the processing precision is low, and the anti-loosening connector elastic sheet is not easy to lose efficacy.)

1. The anti-loosening connector is characterized by comprising a main body shell and a shell sleeved outside the main body shell, wherein the lower part of the main body shell and the lower part of the shell are clamped through a clamping ring, a cavity is formed between the upper part of the main body shell and the upper part of the shell, an elastic sheet is arranged in the cavity, the elastic sheet comprises a connecting part fixedly connected with the shell and a clamping part fixedly connected with the outer wall of the main body shell, and the connecting part and the clamping part are fixedly connected; the outer wall of the main body shell is provided with a clamping groove, and a boss is arranged on the clamping portion and matched with the clamping groove.

2. The anti-loosening connector as claimed in claim 1, wherein the two clamping portions have the same structure, the two clamping portions are respectively provided at both ends of the connecting portion, and the connecting portion and the two clamping portions are integrally formed.

3. The connector of claim 2, wherein the connecting portion is a circular arc-shaped thin plate matching with an inner wall of the housing, and the connecting portion is rivet-fixed to the housing.

4. The anti-loosening connector as claimed in claim 3, wherein the clamping portion comprises a clamping plate integrally formed with the connecting portion and arranged in a plane, one end of the clamping plate, far away from the connecting portion, abuts against an inner wall of the housing, and the boss is fixedly arranged on a surface of the clamping plate, opposite to the clamping groove.

5. The anti-loosening connector as claimed in claim 4, wherein the boss is screwed or riveted to the clamping plate.

6. The anti-loosening connector as claimed in any one of claims 1 to 5, wherein the cavity is an annular cavity, the two spring pieces have the same structure, and the two spring pieces are oppositely arranged in the annular cavity by taking the center of the main body shell as a symmetry center.

7. The anti-loosening connector as claimed in any one of claims 1 to 5, wherein an annular first groove is reserved on the inner wall of the housing, a second groove opposite to the first groove is provided on the main body housing, and the snap ring is fittingly disposed in the first groove and the second groove.

8. The anti-loosening connector as claimed in any one of claims 1 to 5, wherein the lower portion of the housing abuts against the outer wall of the middle portion of the main body housing, a seal ring for sealing between the housing and the main body housing is further provided between the middle portion of the housing and the main body housing, and the seal ring is provided at a position at the bottom of the annular cavity where the housing and the main body housing are in abutting contact.

9. The connector of any one of claims 1-5, wherein the housing is fitted over an upper exterior portion of the main body housing, and a cable boot is secured to a lower threaded exterior portion of the main body housing; an inserting hole rubber core is inserted into the upper part inside the main body shell, a female terminal is inserted into the inserting hole rubber core, and a wire sealing body is inserted into the lower part inside the main body shell; and a pan head screw is assembled in the cable tail sleeve and positioned at the lower part of the main body shell through threads.

Technical Field

The invention relates to the technical field of connectors, in particular to an anti-loosening connector.

Background

The connector is a high-precision and high-quality automatic plugging and self-locking device, and is widely applied to the connection of various power supplies and signals, such as the fields of LED screens, medical equipment, industrial control, detection and measurement equipment, AV systems, broadcast televisions, communication and the like. The connector need possess waterproof, stable in structure and locking requirement such as move back, and the connector among the prior art generally adopts the locking structure that moves back of shell fragment formula of two stuck points, and the shell fragment setting is between the shell of main part casing in the connector, and the shell fragment is installed on the main part casing of connector, prevents that the pine of connector from moving back through the mutual joint of shell fragment and main part casing. This connection structure has the following disadvantages: the clamping and anti-loosening effect of the elastic sheet in the prior art is poor; the elastic sheet is arranged in the main body shell of the connector, and the main body shell is arranged in the shell, so that the installation is inconvenient when the elastic sheet is installed; the shell fragment of prior art realizes locking moving back with the mutual joint of inner wall of shell, needs carry out precision finishing to the inner wall of shell like this, increases the degree of difficulty and the precision of processing, and the manufacturing procedure of the connector among the prior art is comparatively loaded down with trivial details and bad rate height consuming time from this, processing part precision requirement height, installation difficulty, locking move back and appear inefficacy easily.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an anti-loosening connector, which is easy to install a spring plate, convenient to process, low in processing precision and not easy to lose efficacy.

In order to achieve the purpose, the invention provides an anti-loosening connector which comprises a main body shell and a shell sleeved outside the main body shell, wherein the lower part of the main body shell and the lower part of the shell are clamped through a clamping ring, a cavity is formed between the upper part of the main body shell and the upper part of the shell, an elastic sheet is arranged in the cavity, the elastic sheet comprises a connecting part fixedly connected with the shell and a clamping part clamped with the outer wall of the main body shell, and the connecting part and the clamping part are fixedly connected; the outer wall of the main body shell is provided with a clamping groove, and a boss is arranged on the clamping portion and matched with the clamping groove.

Preferably, the two clamping portions have the same structure, the two clamping portions are respectively arranged at two ends of the connecting portion, and the connecting portion and the two clamping portions are integrally formed.

Preferably, the connecting portion is an arc-shaped sheet matched with the inner wall of the housing, and the connecting portion is riveted and fixed with the housing.

As the preferred scheme, joint portion include with connecting portion integrated into one piece be the joint board of planar arrangement, the one end butt of keeping away from connecting portion on the joint board is on the inner wall of shell, the boss is fixed to be established on the joint board with the draw-in groove relative surface.

Preferably, the boss and the clamping plate are fixed through threads or riveted.

Preferably, the cavity is an annular cavity, the two spring plates have the same structure, and the two spring plates are oppositely arranged in the annular cavity by taking the center of the main body shell as a symmetry center.

According to a preferable scheme, an annular first groove is reserved in the inner wall of the shell, a second groove opposite to the first groove is formed in the main body shell, and the clamping ring is arranged in the first groove and the second groove in a matched mode.

As the preferred scheme, the lower part of shell is contradicted with the middle part outer wall of main part casing, still be equipped with the sealing washer between sealed shell and the main part casing between the middle part of shell and the main part casing, the sealing washer is established in the position of the shell and the main part casing laminating contact of annular cavity's bottom.

Preferably, the outer shell is sleeved on the upper part of the outer part of the main body shell, and the lower part of the outer part of the main body shell is fixedly sleeved with the cable tail sleeve in a threaded manner; an inserting hole rubber core is inserted into the upper part inside the main body shell, a female terminal is inserted into the inserting hole rubber core, and a wire sealing body is inserted into the lower part inside the main body shell; and a pan head screw is assembled in the cable tail sleeve and positioned at the lower part of the main body shell through threads.

Compared with the prior art, the invention has the beneficial effects that:

the shell of the anti-loosening connector is sleeved on the main body shell, the shell and the main body shell are fixed by the snap ring, the main body shell and the shell are prevented from loosening, a cavity is formed between the upper part of the main body shell and the upper part of the shell, the elastic sheet is arranged in the cavity, and the connecting part of the elastic sheet is fixedly connected with the shell, so that the fixing part can be directly installed on the shell to fix the elastic sheet when the connecting part and the shell are fixed, and the elastic sheet is convenient to install and fix; meanwhile, the clamping part of the elastic sheet is clamped with the clamping groove arranged on the outer wall of the main body shell, and compared with the prior art that the elastic sheet is clamped on the inner wall of the shell, the clamping groove arranged on the outer wall of the main body shell is convenient to process when the main body shell is processed, and the processing precision requirement is not high; by above, the locking connector shell fragment that moves back of this application is easily installed, and the processing of connector is convenient, and the machining precision is low, and locking moving back is difficult to become invalid.

Drawings

FIG. 1 is a schematic structural diagram of an anti-loose connector according to an embodiment of the present invention;

fig. 2 is a schematic top view of the structure of fig. 1.

In the figure, 1, a main body housing; 11. a card slot; 2. a housing; 3. a snap ring; 4. a cavity; 5. a spring plate; 51. a connecting portion; 52. a clamping part; 521. a clamping and connecting plate; 53. a boss; 6. riveting; 7. a seal ring; 8. a cable tail sleeve; 9. inserting the rubber core; 10. a female terminal; 20. sealing the wire body; 21. pan head screw.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The preferred embodiment of the anti-loosening connector comprises a main body shell 1 and a shell 2 sleeved outside the main body shell 1, wherein the lower part of the main body shell 1 and the lower part of the shell 2 are clamped through a clamping ring 3, specifically, an annular first groove is reserved on the inner wall of the shell 2, a second groove opposite to the first groove is arranged on the main body shell 1, the clamping ring is arranged in the first groove and the second groove in a matching mode, and during specific installation, the shape of the annular groove formed by the clamping ring 3 and the first groove and the second groove is matched, so that loosening and moving of the shell 2 and the main body shell 1 in the length direction of the shell 2 are prevented. In this application, reserve between the upper portion of shell 2 and the outer wall of main part casing 1 and have cavity 4, be provided with in cavity 4 and be used for preventing that shell 2 and main part casing 1 pine from moving back pivoted shell fragment 5.

Specifically, the elastic sheet 5 comprises a connecting portion 51 and a clamping portion 52 which are fixedly connected, the connecting portion 51 is used for being fixedly connected with the outer shell 2, and the clamping portion 52 is used for being clamped with the outer wall of the main body shell 1, so that the outer shell 2 can be clamped with the main body shell 1 in the axial direction of the outer shell 2 by using the elastic sheet 5; specifically, the connecting portion 51 and the housing 2 may be fixed by a bolt or rivet, and during the connection, the threaded end of the bolt sequentially penetrates through the connecting portion 51 and the outer side wall to extend to the outside of the housing 2, and then the nut is mounted on the bolt, so that the elastic sheet 5 and the housing 2 can be conveniently fixed, or when the rivet 6 is used for fixing, the rivet directly sequentially penetrates through the connecting portion 51 and the housing 2, in the embodiment of the present application, the rivet is used for fixing, as shown in fig. 2. Like this relatively fix shell fragment 5 on main part casing 1 than among the prior art, this application with shell fragment 5 snap-on shell 2, can make things convenient for the installation of shell fragment 5, solved the problem of the 5 assembly difficulties of shell fragment among the prior art. Further, joint portion 52 is used for when the outer wall joint with main part casing 1, mainly be equipped with draw-in groove 11 at main part casing 1's outer wall, as shown in fig. 2, the draw-in groove 11 of this application is a plurality of, the setting just is the setting of gear form on main part casing 1's outer wall, be equipped with a boss 53 in joint portion 52 and the corresponding one side of main part casing 1, boss 53 matches the joint with draw-in groove 11, the realization utilizes shell fragment 5 to prevent that shell 2 and main part casing 1 are not hard up pivoted purpose, and thus, through the draw-in groove 11 joint that sets up on the joint portion 52 that adopts shell fragment 5 and the outer wall of main part casing 1, compare with shell fragment 5 joint at the inner wall of shell 2 among the prior art, its processing is convenient when processing main part casing 1 at draw-in groove 11 that main part casing 1's outer wall set up, the processing precision is.

The number of the clamping parts 52 of the elastic sheet 5 is two, the two clamping parts 52 are respectively arranged at two ends of the connecting part 51, and the connecting part 51 and the two clamping parts 52 are integrally formed, so that the stress of the elastic sheet 5 is balanced; the shape of shell fragment 5 of this application is thin slice formula structure, and shell fragment 5 is even with being connected of main part casing 1 and shell 2, compares strip shell fragment 5 of the adoption among the prior art, and the locking of the shell fragment 5 of this application installation moves back effectually. Specifically, as shown in fig. 2, the connecting portion 51 is an arc-shaped sheet matched with the inner wall of the housing 2, the connecting portion 51 is attached to the housing 2, and the rivet 6 is inserted into the center of the connecting portion 51, so that the connecting portion 51 and the housing 2 are stably connected and fixed and are not easy to loosen; joint portion 52 includes the joint board 521 that is the planar arrangement with connecting portion 51 integrated into one piece, keeps away from connecting portion 51 on the joint board 521 one end butt on the inner wall of shell 2, and boss 53 is fixed to be established on the relative surface with draw-in groove 11 of joint board 521, and draw-in groove 11 specifically is along draw-in groove 11 that main part casing 1 length direction extends, and boss 53 is the rectangular form structure that matches with draw-in groove 11, and boss 53 specifically passes through bolt fastening or riveting fastening with the joint board.

Further, cavity 4 between shell 2 and the main part casing 1 in this application is annular cavity, and shell fragment 5 has two, and two shell fragment 5 structures are the same and use the center of main part casing 1 to set up in annular cavity 4 relatively as the center of symmetry, all are equipped with connecting portion 51 and joint portion 52 on every shell fragment 5, and when shell fragment 5 received the torsional force of shell 2, two shell fragments 5 were used for realizing the atress balance, the effect that the reinforcing is locking to move back.

Wherein, in this application, the lower part of shell 2 contradicts with main body casing 1's middle part outer wall, still be equipped with sealing washer 7 between shell 2's middle part and the main body casing 1, sealing washer 7 is O type circle, and sealing washer 7 is established in the position of the shell 2 of the bottom of annular cavity 4 and the contact of main body casing 1 laminating, and sealing washer 7 is used for sealed shell 2 and main body casing 1. Specifically, the outer shell 2 is sleeved on the upper part of the outer part of the main body shell 1, and a cable tail sleeve 8 is fixedly sleeved on the lower thread of the outer part of the main body shell 1; an inserting hole rubber core 9 is inserted into the upper part inside the main body shell 1, a female terminal 10 is inserted into the inserting hole rubber core 9, and a wire sealing body 20 is inserted into the lower part inside the main body shell 1; a pan head screw 21 is assembled in the cable tail sleeve 8 at the lower part of the main body shell 1 through threads. During installation, firstly, the main body shell 1 is electroplated, the elastic sheet 5 is riveted to the shell 2 through a rivet to form an assembly A, then the assembly A and the main body shell 1 are assembled and fixed into an assembly B through a clamping ring, and the female terminal 10 is installed in the jack rubber core to form an assembly C; and finally, sequentially assembling the sealing ring 7, the component C, the wire sealing body 20, the cable tail sleeve 8, the wire clamp and the pan head screw 21 into the component B to realize the installation of the anti-loosening thread-withdrawing circular connector.

The shell 2 of the anti-loosening connector is sleeved on the main body shell 1, the shell 2 and the main body shell 1 are fixed by the aid of the clamping ring, loosening of the main body shell 1 and the shell 2 is avoided, the cavity 4 is formed between the upper portion of the main body shell 1 and the upper portion of the shell 2, the elastic sheet 5 is arranged in the cavity 4, and the connecting portion 51 of the elastic sheet 5 is fixedly connected with the shell 2, so that when the connecting portion 51 and the shell 2 are fixed, the fixing piece can be directly installed on the shell 2 to fix the elastic sheet 5, and the elastic sheet 5 is convenient to install and fix; meanwhile, the clamping part 52 of the elastic sheet 5 is clamped with the clamping groove arranged on the outer wall of the main body shell 1, compared with the prior art that the elastic sheet 5 is clamped on the inner wall of the shell 2, the clamping groove arranged on the outer wall of the main body shell 1 is convenient to process when the main body shell 1 is processed, and the processing precision requirement is not high; by above, the locking connector shell fragment 5 that moves back of this application is easily installed, and the processing of connector is convenient, and the machining precision is low, and locking moving back is difficult to become invalid.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.