CN112290301A

CN112290301A - Flexible push-pull quick-locking connector

Info

Publication number: CN112290301A
Application number: CN202010957427.6A
Authority: CN
Inventors: 鞠新健
Original assignee: Taizhou Hangyu Electrical Device Co ltd
Current assignee: Taizhou Hangyu Electrical Device Co ltd
Priority date: 2020-09-13
Filing date: 2020-09-13
Publication date: 2021-01-29
Anticipated expiration: 2040-09-13
Also published as: CN112290301B

Abstract

The invention provides a flexible push-pull quick-lock connector, and relates to the technical field of quick-lock connectors. The invention relates to a flexible push-pull quick-locking structure connector which comprises a socket and a plug, wherein the socket and the plug can be mutually inserted and locked, the socket comprises a rubber sleeve and a first insulator which are mutually bonded, the plug comprises a second insulator and a sheath which are mutually bonded, a locking boss is arranged in the circumferential direction of the outer wall of one end of the second insulator, a locking groove is arranged in the circumferential direction of the inner wall of one end of the rubber sleeve, and the locking boss and the locking groove are matched to realize the insertion and locking of the socket and the plug. The connector is not easy to cause the phenomena of locking and abrasion of the locking boss and the locking groove in the processes of plugging and unplugging the socket and the plug and using the connector, simplifies a push-pull locking structure, reduces the volume and the cost, and increases the sealing and waterproof performance of the connector.

Description

Flexible push-pull quick-locking connector

Technical Field

The invention relates to the technical field of quick-lock connectors, in particular to a flexible push-pull quick-lock connector.

Background

The existing connector locking mode has multiple types, common threaded locking, bayonet locking, push-pull quick locking and the like, wherein the push-pull quick locking mode is simple and convenient to operate, high in reliability, applicable to the field of high-precision high-density connectors, and has the advantage that other locking modes cannot exceed, but the traditional push-pull quick locking structure has the following defects:

1. the traditional push-pull quick locking structure is realized by a ball or an elastic claw and other structures, so that a plurality of components are formed, and the manufacturing cost is high;

2. the traditional push-pull quick-locking structure usually adopts a metal elastic material as an elastic pair, although the traditional push-pull quick-locking structure has certain advantages in reliability, the rigidity of the metal material cannot be eliminated substantially, and failure faults such as jamming when the connector is plugged and abrasion in the use process are easily caused;

3. the connector sealing structure is required to be independently designed in the traditional push-pull quick locking structure, the product volume and the structural complexity are increased, and the product volume is large and is not suitable for narrow spaces for adapting to special use environments such as water resistance, moisture resistance and the like.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a flexible push-pull quick-locking connector.

The invention solves the technical problems through the following technical means:

a flexible push-pull quick-locking connector comprises a socket and a plug which can be mutually inserted and locked, wherein the socket comprises a rubber sleeve and a first insulator which are mutually bonded, the plug comprises a second insulator and a sheath which are mutually bonded, the first insulator and the second insulator are made of thermoplastic insulating materials, a locking boss is arranged in the circumferential direction of the outer wall of one end of the second insulator, a locking groove is arranged in the circumferential direction of the inner wall of one end of the rubber sleeve, and the locking boss is matched with the locking groove to realize the insertion and locking of the socket and the plug;

the end face of the second insulator is provided with a guide limiting boss, the inner cavity of the first insulator is provided with a guide limiting groove, and the guide limiting boss is matched with the guide limiting groove to achieve guide and axial positioning of the socket and the plug.

Furthermore, the locking boss is conical and inclines towards the insertion direction, a locking structure is arranged on the locking boss, and the maximum outer diameter of the locking boss is in interference fit with the inner diameter of the locking groove.

Furthermore, the first insulator is annular, the section of the guide limiting groove is annular and is inwards concave along the axial direction, and a plurality of rib grooves are radially arranged on the guide limiting groove; the cross section of the guide limiting boss is annular and protrudes outwards along the axial direction, and a plurality of convex ribs matched with the rib grooves are radially arranged on the guide limiting boss.

Furthermore, a second boss is arranged in the circumferential direction of the outer wall of the first insulator, and the second boss is in a step undulation shape.

Furthermore, the rubber sleeve is annular, and a groove is formed in the circumferential direction of the inner wall of the rubber sleeve; the outer wall of gum cover is equipped with first boss.

Furthermore, the groove is in a step undulation shape, and the first boss is in a triangular shape and faces the insertion end.

Furthermore, the sheath is columnar, and its outer wall is equipped with the plane section, is equipped with the third boss on the plane section, and the third boss is arrow-shaped and towards the end of plugging in.

Furthermore, a plurality of hole-type contact elements extending out of the first insulator are arranged in the inner cavity of the first insulator, a plurality of pin-type contact elements not extending out of the second insulator are arranged in the inner cavity of the second insulator, and the hole-type contact elements and the pin-type contact elements are matched to realize electric signal transmission.

The invention has the beneficial effects that:

according to the flexible push-pull quick-locking structure, the locking boss on the second insulator is matched and clamped with the locking groove on the rubber sleeve, so that the socket and the plug are inserted and locked, the sealing and water resistance of the assembling end face of the socket and the plug are kept, the locking boss and the locking groove are not easy to clamp or wear in the processes of plugging and using, the push-pull locking structure is simplified, the size is reduced, the cost is reduced, and the sealing, water resistance and moisture resistance of the quick-locking connector are improved.

Drawings

FIG. 1 is a schematic view of an assembly structure of the flexible push-pull quick-lock connector according to the present invention;

FIG. 2 is a front view of the socket of the present invention;

FIG. 3 is a side view of the plug side of the socket of the present invention;

FIG. 4 is a front view of the plug of the present invention;

figure 5 is a side view of the plug of the present invention near the side of the receptacle.

In the figure: 1. a socket; 2. a plug; 11. a rubber sleeve; 12. a first insulator; 13. a female contact; 21. a second insulator; 22. a sheath; 23. a pin contact; 112. a first boss; 113. locking the groove; 121. a guide limit groove; 122. a second boss; 211. locking the boss; 212. a guide limit boss; 221. a third boss; 222. a planar segment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1 to 5, the flexible push-pull quick-lock connector of the present embodiment comprises a socket 1 and a plug 2 which can be inserted into and locked with each other, wherein the socket 1 comprises a rubber sleeve 11 and a first insulator 12 which are bonded to each other, and the plug 2 comprises a second insulator 21 and a sheath 22 which are bonded to each other;

the first insulator 12 and the second insulator 21 are made of thermoplastic insulating materials, a locking boss 211 is arranged on the outer wall of one end of the second insulator 21 in the circumferential direction, a locking groove 113 is arranged on the inner wall of one end of the rubber sleeve 11 in the circumferential direction, and the locking boss 211 and the locking groove 113 are matched to realize the insertion and locking of the socket 1 and the plug 2.

The flexible push-pull quick-locking structure of the embodiment is clamped by matching the locking boss 211 on the second insulator 21 with the locking groove 113 on the rubber sleeve 11, so that the socket 1 and the plug 2 can be plugged and locked, meanwhile, the sealing and the water resistance of the assembly end face of the socket 1 and the plug 2 are kept, the first insulator 12 and the second insulator 21 are made of thermoplastic insulating materials, the rigidity of metal materials can be eliminated substantially, the locking boss 211 and the locking groove 113 are not easy to clamp and wear in the plugging and using processes, the push-pull locking structure is simplified, the volume and the cost are reduced, and the sealing performance and the waterproof and moistureproof performance of the quick-locking connector are improved.

The locking boss 211 is conical and inclines towards the insertion direction, a locking structure is arranged on the locking boss 211, and the maximum outer diameter of the locking boss 211 is in interference fit with the inner diameter of the locking groove 113. The locking boss 211 is designed to incline towards the insertion direction, so that a good guiding effect is achieved during insertion, the conical shape has a one-way self-locking function, and the stability after insertion is improved.

The end face of the second insulator 21 is provided with a guiding limit boss 212, the inner cavity of the first insulator 12 is provided with a guiding limit groove 121, and the guiding limit boss 212 and the guiding limit groove 121 are matched to realize guiding and axial positioning of the socket 1 and the plug 2.

The first insulator 12 is annular, the section of the guide limiting groove 121 is annular and is inwards concave along the axial direction, and a plurality of rib grooves are radially arranged on the guide limiting groove; the cross section of the guiding limit boss 212 is annular and protrudes outwards along the axial direction, and a plurality of convex ribs matched with the rib grooves are arranged in the radial direction. After the guiding limit boss 212 and the guiding limit groove 121 are matched for guiding, the rib groove and the convex rib are further matched and clamped to improve the stability and the sealing performance after insertion.

The outer wall of the first insulator 12 is provided with a second boss 122 in the circumferential direction, and the second boss 122 is in a step shape. The second raised platform 122 with a step shape facilitates increasing the contact surface for bonding with the rubber sleeve 11, so that the second raised platform is seamlessly bonded inside the rubber sleeve 11.

The rubber sleeve 11 is annular, and a groove 111 is formed in the circumferential direction of the inner wall of the rubber sleeve; the outer wall of the rubber sleeve 11 is provided with a first boss 112.

The groove 111 is in a step shape, and the first boss 112 is in a triangular shape and faces the insertion end. The first boss 112 faces the insertion end and is used for indicating the position of the main key, facilitating visual positioning and convenient insertion.

The sheath 22 is cylindrical, a plane section 222 is arranged on the outer wall of the sheath, a third boss 221 is arranged on the plane section 222, and the third boss 221 is arrow-shaped and faces the insertion end. The third boss 221 is arrow-shaped and faces the insertion end, so that the third boss can be conveniently matched with the first boss 112 to indicate the position of the main key, and the third boss is convenient for visual positioning and insertion.

The cavity of the first insulator 12 is provided with a plurality of hole-type contacts 13 extending out of the first insulator 12, the cavity of the second insulator 21 is provided with a plurality of pin-type contacts 23 not extending out of the second insulator 21, and the hole-type contacts 13 and the pin-type contacts 23 are matched to realize electric signal transmission.

The working principle of the flexible push-pull quick-locking structure connector of the embodiment is as follows:

a) inserting and locking: after the socket 1 is assembled and clamped with the locking boss 211 on the second insulator 21 through the locking groove 113 on the rubber sleeve 11, the functions of inserting and locking are realized, and meanwhile, the end face is kept sealed;

b) guiding, axial positioning and misplug prevention: the socket 1 is assembled and clamped with the guide limit boss 212 on the second insulator 21 through the guide limit groove 121 on the first insulator 12, so that the functions of guiding, axial positioning and misplug prevention are realized;

c) electric signal transmission: the hole-type contact 13 in the socket 1 is inserted with the pin-type contact 23 in the plug 2, so that the electric signal transmission function is realized;

d) visual positioning of the main key: the socket 1 realizes the main key visual positioning function by aligning the first boss 112 on the rubber sleeve 11 with the third boss 221 on the plug 2.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a flexible push-and-pull quick lock connector, includes socket (1) and plug (2) that can insert each other to close and lock, and socket (1) is including gum cover (11) and the first insulator (12) that bond each other, and plug (2) is including the second insulator (21) and sheath (22) that bond each other, its characterized in that: the first insulator (12) and the second insulator (21) are made of thermoplastic insulating materials, a locking boss (211) is arranged on the outer wall of one end of the second insulator (21) in the circumferential direction, a locking groove (113) is arranged on the inner wall of one end of the rubber sleeve (11) in the circumferential direction, and the locking boss (211) is matched with the locking groove (113) to realize the insertion and locking of the socket (1) and the plug (2);

the end face of the second insulator (21) is provided with a guide limiting boss (212), the inner cavity of the first insulator (12) is provided with a guide limiting groove (121), and the guide limiting boss (212) is matched with the guide limiting groove (121) to realize the guide and axial positioning of the socket (1) and the plug (2).

2. A flexible push-pull quick lock connector as claimed in claim 1 wherein: the locking boss (211) is conical and inclines towards the insertion direction, a locking structure is arranged on the locking boss (211), and the maximum outer diameter of the locking boss (211) is in interference fit with the inner diameter of the locking groove (113).

3. A flexible push-pull quick lock connector as claimed in claim 1 wherein: the first insulator (12) is annular, the section of the guide limiting groove (121) is annular and is inwards concave along the axial direction, and a plurality of rib grooves are radially arranged on the guide limiting groove; the section of the guide limit boss (212) is annular and protrudes outwards along the axial direction, and a plurality of convex ribs matched with the rib grooves are arranged in the radial direction of the guide limit boss.

4. A flexible push-pull quick lock connector as claimed in claim 3 wherein: and a second boss (122) is arranged in the circumferential direction of the outer wall of the first insulator (12), and the second boss (122) is in a step undulation shape.

5. A flexible push-pull quick lock connector as claimed in claim 1 wherein: the rubber sleeve (11) is annular, and a groove (111) is formed in the circumferential direction of the inner wall of the rubber sleeve; the outer wall of the rubber sleeve (11) is provided with a first boss (112).

6. A flexible push-pull quick lock connector as claimed in claim 5 wherein: the groove (111) is in a step undulation shape, and the first boss (112) is in a triangular shape and faces the insertion end.

7. A flexible push-pull quick lock connector as claimed in claim 1 wherein: the sheath (22) is columnar, the outer wall of the sheath is provided with a plane section (222), the plane section (222) is provided with a third boss (221), and the third boss (221) is arrow-shaped and faces the insertion end.

8. A flexible push-pull quick lock connector as claimed in claim 1 wherein: the inner cavity of the first insulator (12) is provided with a plurality of hole type contact pieces (13) extending out of the first insulator (12), the inner cavity of the second insulator (21) is provided with a plurality of pin type contact pieces (23) not extending out of the second insulator (21), and the hole type contact pieces (13) are matched with the pin type contact pieces (23) to realize electric signal transmission.