Ball locking and crimping waterproof connector

Abstract

The utility model discloses a ball locking crimping waterproof connector, which comprises a socket, an end head is arranged on the front surface of the socket, a plug is arranged on the front surface of the socket, the plug is inserted into the end head, a clamping groove is formed in the outer surface of the clamping groove, and a first cylinder and a second cylinder are fixedly mounted around the plug. According to the utility model, the spring is arranged to apply pressure to the annular extrusion plate, and then the annular extrusion plate extrudes the clamping balls, so that the clamping balls enter the inner sides of the grooves, the surfaces of the clamping balls are clamped in the clamping grooves, the end and the plug are limited, and the stability of the plug after plugging is improved; through cooperation of the hollow ring and the side block, the annular extrusion plate can be conveniently moved, and the problems that after the connector is inserted into a socket, the connector and the socket are loosened after long-time use, the poor contact between the connector and the socket is easily caused, and the data transmission efficiency is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a ball locking crimping waterproof connector. Background Art

[0002] Waterproof connector is a connector used to connect electrical equipment and electrical cables. It is mainly used to prevent foreign substances such as water, moisture, dust, etc. from entering the connection part, so as to ensure the normal operation and safe operation of equipment and cables. It is widely used in various indoor and outdoor electrical equipment and cable connection occasions, such as outdoor lighting fixtures, power tools, electric vehicles, communication equipment, etc.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: after the connector is inserted into the socket, the connector and the socket may become loose after long-term use, which may easily lead to poor contact between the connector and the socket and affect data transmission efficiency; therefore, a ball-locked crimped waterproof connector is proposed to address the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a ball-locked crimped waterproof connector, which has the advantage of preventing the connector from loosening and solves the problem that after the connector is inserted into the socket, the connector and the socket become loose after long-term use, which easily leads to poor contact between the connector and the socket and affects the data transmission efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball-locked crimped waterproof connector, comprising a socket, a terminal head is arranged on the front side of the socket, a plug is arranged on the front side of the socket, the plug is inserted into the interior of the terminal head, a card slot is provided on the outer surface of the terminal head, a first cylinder and a second cylinder are fixedly installed around the plug, the interior of the first cylinder is provided with evenly distributed grooves, a card ball is arranged inside the groove, the surface of the card ball is carded into the interior of the card slot, an annular extrusion plate is arranged between the first cylinder and the second cylinder, an evenly distributed spring is arranged on the front side of the annular extrusion plate, evenly distributed side blocks are fixedly installed on the outer surface of the annular extrusion plate, the surface of the second cylinder is sleeved with a hollow ring, and the other side of the side block is carded into the inner side of the hollow ring.

[0006] The effect achieved by the above-mentioned components is as follows: a spring is provided to exert pressure on the annular extrusion plate, and then the annular extrusion plate squeezes each card ball, so that the card ball enters the inner side of the groove, and the surface of the card ball is engaged with the inside of the card groove, thereby limiting the terminal and the plug, and improving the stability of the plug after insertion. With the cooperation of the hollow ring and the side block, the annular extrusion plate is conveniently moved, so that the annular extrusion plate moves between the first cylinder and the second cylinder, squeezing the spring, so that the spring is compressed, and the card ball rolls out from the inner side of the groove, but does not completely detach from the inner side of the groove, and then the plug can be directly pulled out from the inside of the terminal, which is convenient for pulling out the plug. In summary, the purpose of self-locking when the plug is inserted into the inside of the terminal is achieved, and the connection stability between the plug and the terminal is improved.

[0007] Preferably, a fitting groove is provided on one side of the annular extrusion plate close to the locking ball, and the arc of the fitting groove is adapted to the surface of the locking ball.

[0008] Preferably, the surface of the second cylinder is provided with evenly distributed limiting holes, and the side blocks penetrate the inside of the limiting holes.

[0009] The effect achieved by the above components is: by setting the limiting holes to limit the side blocks, the annular extrusion plate is prevented from shaking and causing certain damage to the spring.

[0010] Preferably, evenly distributed positioning grooves are formed on the surface of the second cylinder, evenly distributed positioning rods are fixedly mounted on one side of the hollow ring, and the other side of the positioning rods is located inside the positioning grooves.

[0011] The effect achieved by the above-mentioned components is: by setting the positioning rod and the positioning groove to cooperate with each other to limit the hollow ring, before the plug is inserted into the end of the end, the hollow ring is moved so that the hollow ring drives one end of the positioning rod to move inside the positioning groove, and one end of the positioning rod is clamped at the end of the positioning groove to limit the hollow ring, so that the clamping ball is disengaged from the inside of the groove, but not completely disengaged, to avoid interfering with the plug being inserted into the inside of the end.

[0012] Preferably, a closing plate is fixedly mounted on the back of the first cylinder and the second cylinder, and a sealing ring is fixedly mounted on a side of the closing plate close to the socket.

[0013] Preferably, a fixing block is fixedly mounted on the front side of the socket, a sealing groove is provided on the front side of the fixing block, and the sealing ring is located inside the sealing groove and fits with the sealing groove.

[0014] The effect achieved by the above components is: by setting a sealing ring, when the plug is inserted into the end, the sealing ring is clamped into the inside of the sealing groove and fits with the sealing groove, thereby improving the sealing when the end and the plug are connected, thereby improving the waterproofness.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model provides a spring for exerting pressure on the annular extrusion plate, and then the annular extrusion plate extrudes each card ball, so that the card ball enters the inner side of the groove, and the surface of the card ball is carded inside the card groove, thereby limiting the terminal and the plug, improving the stability of the plug after being plugged in, and conveniently moving the annular extrusion plate under the cooperation of the hollow ring and the side block, so that the annular extrusion plate moves between the first cylinder and the second cylinder, exerting pressure on the spring, so that the spring is compressed, and the card ball rolls out from the inner side of the groove, but does not completely break away from the inner side of the groove, and then the plug can be directly pulled out from the inside of the terminal, which is convenient for pulling out the plug. In summary, the purpose of self-locking when the plug is plugged into the inside of the terminal is achieved, the connection stability between the plug and the terminal is improved, and at the same time, the problem that after the connector is inserted into the socket, the connector and the socket become loose when used for a long time, which easily leads to poor contact between the connector and the socket, thereby affecting the data transmission efficiency is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the socket structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the plug structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the first cylinder and the second cylinder of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the annular extrusion plate of the utility model;

[0022] Figure 6 It is a schematic diagram of the second cylinder and hollow ring structure of the utility model.

[0023] In the figure: 1, socket; 2, terminal; 3, slot; 4, plug; 5, first cylinder; 6, second cylinder; 7, groove; 8, card ball; 9, annular extrusion plate; 10, fitting groove; 11, spring; 12, side block; 13, limit hole; 14, hollow ring; 15, positioning rod; 16, positioning groove; 17, closing plate; 18, sealing ring; 19, fixing block; 20, sealing groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6 A ball-locked crimped waterproof connector comprises a socket 1, a terminal 2 is arranged on the front of the socket 1, a plug 4 is arranged on the front of the socket 1, the plug 4 is plugged into the inside of the terminal 2, a card slot 3 is provided on the outer surface of the terminal 2, a first cylinder 5 and a second cylinder 6 are fixedly installed around the plug 4, a uniformly distributed groove 7 is provided inside the first cylinder 5, a card ball 8 is provided inside the groove 7, the surface of the card ball 8 is carded into the inside of the card slot 3, an annular extrusion plate 9 is arranged between the first cylinder 5 and the second cylinder 6, a uniformly distributed spring 11 is arranged on the front of the annular extrusion plate 9, a uniformly distributed side block 12 is fixedly installed on the outer surface of the annular extrusion plate 9, a hollow ring 14 is sleeved on the surface of the second cylinder 6, and the other side of the side block 12 is carded into the inner side of the hollow ring 14.

[0026] Specifically, a fitting groove 10 is formed on one side of the annular extrusion plate 9 close to the clamping ball 8 , and the arc of the fitting groove 10 is adapted to the surface of the clamping ball 8 .

[0027] Specifically, evenly distributed limiting holes 13 are formed on the surface of the second cylinder 6 , and the side blocks 12 pass through the limiting holes 13 .

[0028] The limiting hole 13 is used to limit the side block 12 to prevent the annular extrusion plate 9 from shaking and causing certain damage to the spring 11.

[0029] Specifically, evenly distributed positioning grooves 16 are formed on the surface of the second cylinder 6 , and evenly distributed positioning rods 15 are fixedly mounted on one side of the hollow ring 14 , and the other side of the positioning rods 15 is located inside the positioning grooves 16 .

[0030] The positioning rod 15 and the positioning groove 16 cooperate with each other to limit the hollow ring 14. Before the plug 4 is inserted into the end of the terminal 2, the hollow ring 14 is moved so that the hollow ring 14 drives one end of the positioning rod 15 to move inside the positioning groove 16, and one end of the positioning rod 15 is clamped at the end of the positioning groove 16 to limit the hollow ring 14, so that the locking ball 8 is disengaged from the inside of the groove 7, but not completely disengaged, to avoid interfering with the plug 4 being inserted into the inside of the terminal 2.

[0031] Specifically, a closing plate 17 is fixedly mounted on the back of the first cylinder 5 and the second cylinder 6 , and a sealing ring 18 is fixedly mounted on a side of the closing plate 17 close to the socket 1 .

[0032] Specifically, a fixing block 19 is fixedly mounted on the front of the socket 1 , a sealing groove 20 is formed on the front of the fixing block 19 , and the sealing ring 18 is located inside the sealing groove 20 and fits with the sealing groove 20 .

[0033] The sealing ring 18 is used to be clamped in the sealing groove 20 and fit with the sealing groove 20 when the plug 4 is inserted into the terminal 2, so as to improve the sealing performance when the terminal 2 and the plug 4 are connected, thereby improving the waterproof performance.

[0034] When in use, the spring 11 exerts pressure on the annular extrusion plate 9, and then the annular extrusion plate 9 squeezes each card ball 8, so that the card ball 8 enters the inner side of the groove 7, and the surface of the card ball 8 is carded in the inside of the card groove 3, thereby limiting the terminal 2 and the plug 4, and improving the stability of the plug 4 after insertion. With the cooperation of the hollow ring 14 and the side block 12, the annular extrusion plate 9 is conveniently moved, so that the annular extrusion plate 9 moves between the first cylinder 5 and the second cylinder 6, squeezing the spring 11, so that the spring 11 is compressed, and the card ball 8 rolls out from the inner side of the groove 7, but does not completely detach from the inner side of the groove 7, and then the plug 4 can be directly pulled out from the inside of the terminal 2, which is convenient for pulling out the plug 4. In summary, the purpose of self-locking when the plug 4 is inserted into the inside of the terminal 2 is achieved.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ball-lock crimping waterproof connector, comprising a socket (1), characterized in that: The front of the socket (1) is provided with an end head (2), the front of the socket (1) is provided with a plug (4), the plug (4) is plugged into the interior of the end head (2), the outer surface of the end head (2) is provided with a slot (3), a first cylinder (5) and a second cylinder (6) are fixedly mounted around the plug (4), the interior of the first cylinder (5) is provided with evenly distributed grooves (7), the interior of the groove (7) is provided with a snap ball (8), the surface of the snap ball (8) is snapped into the interior of the slot (3), an annular extrusion plate (9) is provided between the first cylinder (5) and the second cylinder (6), the front of the annular extrusion plate (9) is provided with evenly distributed springs (11), the outer surface of the annular extrusion plate (9) is fixedly mounted with evenly distributed side blocks (12), the surface of the second cylinder (6) is sleeved with a hollow ring (14), the other side of the side block (12) is snapped into the inner side of the hollow ring (14).

2. A ball lock crimp waterproof connector according to claim 1, characterized in that: A fitting groove (10) is provided on one side of the annular extrusion plate (9) close to the clamping ball (8), and the arc of the fitting groove (10) is adapted to the surface of the clamping ball (8).

3. A ball lock crimp waterproof connector according to claim 1, characterized in that: The surface of the second cylinder (6) is provided with evenly distributed limiting holes (13), and the side blocks (12) penetrate the interior of the limiting holes (13).

4. A ball lock crimp waterproof connector according to claim 1, characterized in that: The surface of the second cylinder (6) is provided with evenly distributed positioning grooves (16), one side of the hollow ring (14) is fixedly mounted with evenly distributed positioning rods (15), and the other side of the positioning rods (15) is located inside the positioning grooves (16).

5. The ball lock crimp waterproof connector according to claim 1, characterized in that: A closing plate (17) is fixedly mounted on the back of the first cylinder (5) and the second cylinder (6), and a sealing ring (18) is fixedly mounted on the side of the closing plate (17) close to the socket (1).

6. A ball lock crimp waterproof connector according to claim 5, characterized in that: A fixing block (19) is fixedly mounted on the front of the socket (1), a sealing groove (20) is provided on the front of the fixing block (19), and the sealing ring (18) is located inside the sealing groove (20) and fits the sealing groove (20).

Images