CN115459004A

CN115459004A - Butt-joint fastening structure of connector

Info

Publication number: CN115459004A
Application number: CN202110628579.6A
Authority: CN
Inventors: 赖柄源; 赖啟益; 简昭宜
Original assignee: Avertronics Inc
Current assignee: Avertronics Inc
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-12-09

Abstract

The invention discloses a butt joint buckling structure of a connector, which comprises: one end of a first joint is in a circular tube shape and is provided with a butt joint part, the other end of the first joint is provided with a joint bottom, the joint bottom faces the butt joint part to form a circular ring surface, the first joint is further provided with two stop blocks between the butt joint part and the circular ring surface in a protruding mode, two evasion openings are symmetrically arranged between the two stop blocks at intervals, the inner edge of a buckling ring is provided with two positioning blocks in a protruding mode, the outer edge of the buckling ring is provided with at least one hook body, the buckling ring is sleeved into the butt joint part of the first joint, the positioning blocks are aligned to the evasion openings to enable the buckling ring to cross over the stop blocks, the buckling ring is rotated to enable the positioning blocks to be clamped between the stop blocks and the circular ring surface, and therefore the function of replacing the buckling rings with different specifications is achieved, and the hook bodies with different styles or lengths are selected by matching with the second joint to be butted.

Description

Butt-joint fastening structure of connector

Technical Field

The present invention relates to an improved connector structure, and more particularly to a replaceable, quick-assembling and stable-fastening connector.

Background

With the trend of miniaturization and multi-functionalization of electrical devices, the connector is mainly used between a connection power source, a signal source and each electronic device to provide power or transmit signals, and is one of indispensable important electrical components, and as the wire itself has a characteristic of being flexible at will and is applied to various complex use occasions, it is easy to plug and unplug and not easy to separate itself, and the connector is required to have functions, specifically, when the use environment is a mobile transportation means such as a vehicle, an airplane, a ship, etc., the electrical device is in a continuous shaking state during use, so that the connector is easy to separate, and the interruption of power supply or signal transmission is caused, so that the electrical device in operation is not functional or broken down, and even a serious person may cause damage to the electrical device or casualties, and the existing connector is often provided with a hook capable of hooking each other to eliminate the self-separation situation, thereby improving the stability of the interconnection of the connector, but the existing structure is not easy to find and has some disadvantages: most of the barbs are integrally formed on the connector or are injected and coated on the connector, so that different barbs cannot be replaced according to use requirements, the barbs are made of the same material as the plastic of the connector and cannot have structural hardness and deformation elasticity, the specification of the application of the barbs to the connector is limited by the material, and a small part of barbs are separated from the connector, and the barbs are fixed in a bidirectional buckling mode or a screw locking mode.

In view of the above, the present inventors have made various experiments on the manufacturing, development and design of related products for many years, and have made detailed design and careful evaluation to achieve the above objectives, and finally have obtained a practical invention.

Disclosure of Invention

The present invention provides a butt-joint fastening structure of a connector, aiming at the above-mentioned disadvantages of the prior art.

One end of a first joint is in a circular tube shape and is provided with a butt joint part, a plurality of first terminals are arranged in the butt joint part, the other end of the first joint is provided with a joint bottom, a circular ring surface is formed at the joint bottom towards the butt joint part, two stop blocks are convexly arranged between the butt joint part and the circular ring surface of the first joint, the two stop blocks are symmetrically arranged at the periphery of the circular tube-shaped outer surface of the butt joint part, two dodging ports are symmetrically arranged between the two stop blocks at intervals, two positioning blocks are convexly arranged at the inner edge of a buckling ring, at least one hook body is formed at the outer edge of the buckling ring, a pressing part extends from the hook body, the buckling ring is sleeved in the butt joint part of the first joint, the positioning blocks are aligned with the dodging ports, the buckling ring spans over the stop blocks, and the buckling ring is rotated to clamp the positioning blocks between the stop blocks and the circular ring surface.

When the buckling ring is limited between the stop block and the annular surface, the hook body which is not elastically deformed is blocked by the wire sheath, so that the buckling ring cannot be separated from the first joint.

Wherein the wire sheath is right opposite to any one of the dodging openings, the hook body is arranged on the outer side of the positioning block, and the buckling ring can be arranged between the stop block and the annular surface only when the hook body is elastically deformed to extrude the wire sheath.

Wherein the bottom of the joint is symmetrically provided with two wing parts, the two wing parts are just opposite to the two check blocks, the pressing part of the hook body is obliquely arranged in front of the wing parts, and when a finger presses the pressing part, the finger can simultaneously press the wing parts to pull out the first joint.

The connector further comprises a second connector, wherein the second connector is provided with a fixing plate, the center of the fixing plate is concavely provided with a jack, a plurality of second terminals are arranged in the jack, the first connector is inserted into the jack through the butt joint part, and the first terminal is in contact with the second terminals to form conductive connection.

Wherein the butt joint part is concavely provided with an annular groove at the periphery of the outer surface, a water stop ring is arranged in the annular groove, and the water stop ring partially protrudes out of the annular groove and abuts against the inner wall of the jack, thereby forming a first layer of waterproof effect between the first joint and the second joint.

Wherein the second joint is provided with a gasket at the bottom of the jack, and the butt joint part of the first joint is pressed against the gasket to form water resistance, thereby forming a second layer of water-proof effect between the first joint and the second joint.

Wherein the outer edge of the fixing plate is convexly provided with at least one hook seat, and the hook seat is concavely provided with a hook groove, so that the hook body of the buckling ring is inserted into the hook groove to form buckling fixation.

The fixing plate is provided with at least one hook arm extending from the outer edge, the hook arm is fastened and fixed with the hook body of the buckling ring, the fixing plate is concave towards the hook arm to form a dodging groove, and the dodging groove provides the buckling ring to enable the hook body to be separated from the hook arm in a rotating mode.

The first joint is concavely provided with at least one concave hole at the stop block, the buckling ring is convexly provided with at least one convex particle at the positioning block, and the convex particle is arranged in the concave hole to form the positioning effect of the buckling ring and the first joint.

The main objective of the present invention is to provide a snap ring, which has a circular surface, two adjacent stoppers and two adjacent evasion openings, wherein the snap ring can be directly sleeved on the abutting portion of the first joint, and the positioning block is aligned with the evasion openings, so that the snap ring can cross over the stoppers, and then the snap ring is rotated by a proper angle, so that the positioning block is clamped between the stoppers and the circular surface, thereby rapidly assembling the snap ring on the first joint, and having a function of replacing the snap rings with different specifications.

Other objects, advantages and novel features of the present disclosure will become apparent from the following detailed description when considered in conjunction with the drawings.

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is an exploded side view of the first connector of the present invention.

FIG. 4 is a schematic view of a first embodiment of a fastening ring assembly of the present invention.

FIG. 5 is a schematic diagram of the assembly step of the buckling ring of the first joint of the present invention.

FIG. 6 is a third step of assembling the snap ring for the first joint of the present invention.

FIG. 7 is a schematic view of the present invention for preventing the snap ring from disengaging from itself.

Fig. 8 is a top sectional view of the first connector and the second connector of the present invention before they are inserted into each other.

Fig. 9 is a top sectional view of the first and second connectors of the present invention inserted into each other.

FIG. 10 is an operational sectional view of the first connector being pulled out of the second connector according to the present invention.

Fig. 11 is a perspective view of a second connector according to another embodiment of the present invention.

Fig. 12 is an exploded perspective view of a first connector according to yet another embodiment of the present invention.

Wherein, the reference numbers:

[ invention ]

10 first joint

11: butt joint part

111 ring groove

12 first terminal

13: bottom of joint

131 is a torus

132 wing part

14 stop block

141 dodging mouth

142 concave hole

15 water stop ring

16: electric wire sheath

20, a buckling ring

21 positioning block

211 convex particles

22 hook body

221 pressing part

30 the second joint

31 fixing plate

311 dodging groove

32: jack

33 second terminal

34 hook seat

341 hook groove

35: gasket

36 hook arm

Detailed Description

To further clarify the objects, features and advantages of the present invention, those skilled in the art will understand and appreciate that the following detailed description is given in conjunction with the accompanying drawings (which are briefly described below):

referring to fig. 1 to fig. 6 in succession, a mating and locking structure of a connector includes: a first connector 10, a locking ring 20 and a second connector 30, one end of the first connector 10 is provided with a circular tube shape having a butt joint portion 11, and the butt joint portion 11 is provided with a plurality of first terminals 12 therein, the other end of the first connector 10 is provided with a connector bottom portion 13, and the connector bottom portion 13 is formed with a circular ring surface 131 toward the butt joint portion 11, the first connector 10 is provided with two stoppers 14 between the butt joint portion 11 and the circular ring surface 131 in a protruding manner, the two stoppers 14 are symmetrically arranged on the periphery of the circular tube-shaped outer surface of the butt joint portion 11, and two dodging ports 141 are symmetrically arranged between the two stoppers 14 in a spacing manner, an inner edge of the locking ring 20 is provided with two positioning blocks 21 in a protruding manner, and the outer edge of the locking ring 20 is formed with at least one hook 22, the hook 22 extends from the hook 22, the hook 22 is provided with a pressing portion 221 extending from the hook 22, the locking ring 20 is sleeved on the butt joint portion 11, and the positioning block 21 is clamped between the stopper 14 and the socket 11, and the socket 31 is provided with a conductive fixing plate 31 formed by inserting the hook 16 into a socket 32, the socket fixing plate 31 formed by inserting the first connector 10, the socket 32, the socket fixing plate 31 is provided with a plurality of hooks 34, the socket fixing plate 31 is provided with a wire 16, the socket 32, the socket fixing plate 31, the socket 32 is provided with a wire 16, and a socket fixing plate 31, and a socket 32 is provided with a socket fixing plate 31, and a socket 32, and a socket fixing plate 31, the socket fixing plate 31, and a socket 32 is provided with a socket 32.

The combination and efficacy of the structure are shown in fig. 1 to 7, first, the snap ring 20 is sleeved into the abutting portion 11 of the first connector 10, the positioning block 21 is aligned with the evasion port 141 to allow the snap ring 20 to cross over the stopper 14, then the snap ring 20 is rotated to allow the positioning block 21 to be clamped between the stopper 14 and the annular surface 131, wherein the wire sheath 16 is aligned with the evasion port 141, and the hook 22 is disposed at the outer side of the positioning block 21, so that when the positioning block 21 is aligned with the evasion port 141 to pass through the evasion port 141, the pressing portion 221 of the hook 22 is pressed against the wire sheath 16, that is, the elastic deformation of the hook 22 is formed by the pressing force of a user, and when the hook 22 presses the wire sheath 16 in the elastic deformation state, the snap ring 20 can be rotated to place the snap ring 20 between the stopper 14 and the annular surface 131, thereby the snap ring 20 is quickly positioned between the stopper 14 and the annular surface 131, and the snap ring 20 is prevented from being disengaged from the first snap ring 20 and the first connector 10, thereby preventing the snap ring 20 from being disengaged from the elastic deformation of the stopper 14. And as shown in fig. 8 and 9, the butt joint portion 11 of the first connector 10 is inserted into the insertion hole 32 to form a conductive connection between the first terminal 12 and the second terminal 33, and the hook 22 of the snap ring 20 is inserted into the hook groove 341 to fasten the hook 22 to the hook seat 34, thereby connecting the first connector 10 and the second connector 30, and achieving a stable connection effect by means of fastening, wherein a circular groove 111 is recessed on the outer surface of the butt joint portion 11, a water stop ring 15 is installed in the circular groove 111, and the water stop ring 15 partially protrudes out of the circular groove 111 and abuts against the inner wall of the insertion hole 32, thereby forming a first waterproof layer between the first connector 10 and the second connector 30, and a gasket 35 is installed at the bottom of the insertion hole 32 of the second connector 30, and the butt joint portion 11 of the first connector 10 abuts against the gasket 35 to form a waterproof layer, thereby forming a second waterproof layer between the first connector 10 and the second connector 30.

As shown in fig. 10, the bottom 13 of the connector is symmetrically and convexly provided with two wings 132, the two wings 132 are opposite to the two stoppers 14, and the pressing portion 221 of the hook 22 is obliquely disposed in front of the wings 132, when the first connector 10 and the second connector 30 are in a connected state and are to be separated, a finger presses the pressing portion 221 to simultaneously press the wings 132 to pull out the first connector 10, i.e., simultaneously control the hook 22 and grip the bottom 13 of the connector, and smoothly separate the first connector 10 from the second connector 30, thereby being suitable for small-sized connectors that are not easy to be plugged and unplugged, so as to have an effect of facilitating force application for plugging and unplugging, further prevent the hook 22 from being broken due to excessive pressing of the pressing portion 221 by the wings 132, and effectively improve durability thereof.

In another embodiment of the present invention, as shown in fig. 11, at least one hook arm 36 extends from an outer edge of the fixing plate 31, the hook arm 36 is fastened and fixed with the hook 22 of the fastening ring 20, a evasion groove 311 is formed in a position of the fixing plate 31 facing the hook arm 36, and the evasion groove 311 provides the fastening ring 20 to separate the hook 22 from the hook arm 36 in a rotating manner, i.e. a user can selectively apply force to press the pressing portion 221 to separate the hook arm 36 by swinging the hook 22 upward or rotate the fastening ring 20 at a proper angle to separate the hook 22 from the hook arm 36 in a sliding manner, so as to extract the first connector 10 in different manners, and extract the first connector 10 in a rotating and sliding manner, which is more practical in labor saving operation.

In another embodiment of the present invention, as shown in fig. 12, the first connector 10 is concavely provided with at least one concave hole 142 at the stopper 14, and the snap ring 20 is convexly provided with at least one convex particle 211 at the positioning block 21, and the convex particle 211 is inserted into the concave hole 142 to form a positioning effect of the snap ring 20 and the first connector 10, thereby improving the positioning stability of the snap ring 20.

With the structure of the above embodiment, the following benefits can be obtained: the first joint 10 is provided with the circular ring surface 131, two adjacent stoppers 14 and two adjacent evasion openings 141, the fastening ring 20 can be directly sleeved on the abutting portion 11 of the first joint 10, the positioning block 21 is aligned with the evasion openings 141, the fastening ring 20 crosses over the stoppers 14, and then the fastening ring 20 is rotated by a proper angle, so that the positioning block 21 is clamped between the stoppers 14 and the circular ring surface 131, the fastening ring 20 can be quickly assembled on the first joint 10, and the fastening ring 20 has a function of replacing the fastening rings 20 of different specifications, so that the hook bodies 22 of different styles or lengths can be selected by matching with the second joint 30 to be abutted, thereby effectively improving the practicability of the first joint, further, the fastening ring 20 can be independently made of a material with higher elasticity, so that the fastening ring 20 provides enough elastic deformation capability, and a material meeting the structural hardness required by the abutting portion 11 can be selected, so that a proper material can be selected according to requirements, the material cost can be reduced, and the processing cost can be reduced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention; therefore, all the equivalent changes and modifications made according to the claims of the present invention should be covered by the scope of the present invention.

The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A butt joint buckling structure of a connector is characterized by comprising:

a first joint, one end of which is in a circular tube shape and is provided with a butt joint part, a plurality of first terminals are arranged in the butt joint part, the other end of the first joint is provided with a joint bottom, the joint bottom is provided with a circular ring surface towards the butt joint part, two stop blocks are convexly arranged between the butt joint part and the circular ring surface of the first joint, the two stop blocks are symmetrically arranged on the periphery of the circular tube-shaped outer surface of the butt joint part, and two dodging ports are symmetrically arranged between the two stop blocks at intervals; and

and the buckling ring is provided with two positioning blocks in a protruding manner at the inner edge, at least one hook body is formed at the outer edge of the buckling ring, a pressing part extends from the hook body, the buckling ring is sleeved in the butt joint part of the first joint, the positioning blocks are aligned to the evasion openings, the buckling ring strides over the stop block, and the buckling ring is rotated to clamp the positioning blocks between the stop block and the circular ring surface.

2. The butt-joint buckling structure of the connector according to claim 1, wherein a wire sheath extends from the bottom of the first connector, the wire sheath and the butt-joint portion are perpendicular to each other, and when the buckling ring is restrained between the stopper and the circular ring surface, the hook body which is not elastically deformed is blocked by the wire sheath, so that the buckling ring cannot be separated from the first connector.

3. The butt-joint buckling structure of the connector according to claim 2, wherein the wire sheath faces any one of the dodging openings, the hook is disposed outside the positioning block, and the buckling ring can be inserted between the stopper and the annular surface only in a state where the hook elastically deforms to press the wire sheath.

4. A butt-joint buckling structure of a connector according to claim 3, wherein two wing parts are symmetrically protruded from the bottom of the connector, the two wing parts are opposite to the two stoppers, and the pressing part of the hook is obliquely arranged in front of the wing parts, so that when a finger presses the pressing part, the finger can press the wing parts simultaneously to pull out the first connector.

5. The structure of claim 1, further comprising a second connector, wherein the second connector forms a fixing plate, and a hole is recessed in the center of the fixing plate, and a plurality of second terminals are disposed in the hole, and the first connector is inserted into the hole through the mating portion, and the first terminal and the second terminal are contacted to form a conductive connection.

6. A butt-joint buckling structure of a connector according to claim 5, wherein an annular groove is concavely formed on the periphery of the outer surface of the butt-joint portion, a water stop ring is installed in the annular groove, and the water stop ring partially protrudes out of the annular groove and abuts against the inner wall of the insertion hole, thereby forming a first layer of waterproof effect between the first joint and the second joint.

7. The structure of claim 6, wherein the second connector has a gasket at the bottom of the insertion hole, and the abutting portion of the first connector abuts against the gasket to form a waterproof effect, thereby forming a second waterproof effect between the first connector and the second connector.

8. The structure of claim 5, wherein the fixing plate has at least one hook seat protruding from an outer edge thereof, and the hook seat has a hook groove recessed therein, so that the hook body of the engaging ring is inserted into the hook groove to form a locking and fixing structure.

9. The structure of claim 5, wherein the fixing plate has at least one hook extending from an outer edge thereof, the hook and the hook of the engaging ring are engaged with each other, and the fixing plate has a groove recessed into a position opposite to the hook, and the groove provides the engaging ring to allow the hook to be disengaged from the hook in a rotating manner.

10. A butt-joint buckling structure of a connector according to claim 1, wherein the first connector is concavely provided with at least one concave hole at the stopper, and the buckling ring is convexly provided with at least one convex particle at the positioning block, and the convex particle is placed in the concave hole to form a positioning effect of the buckling ring and the first connector.