Round waterproof connector

Abstract

The utility model relates to a circular waterproof connector in the connector field, which comprises a socket shell, an insulator is coaxially connected in the socket shell, a pin is arranged on the insulator, a plug hole is formed in the socket shell, a clamping notch is arranged on the inner wall of the plug hole, a first sealing ring is clamped and mounted in the clamping notch, and a second sealing ring is arranged in the first sealing ring. A buckle protrusion is formed on the outer surface of the first sealing ring, a connecting end is formed at one end of the socket shell, a positioning protrusion is formed on the inner wall of the connecting end, a sealing clamp spring is arranged in the connecting end, and the sealing clamp spring is arranged on the connecting end and matched with the positioning protrusion through a positioning opening. The buckle protrusion on the outer surface of the first sealing ring is tightly clamped with the clamping notch, stable installation of the first sealing ring is guaranteed, the sealing and waterproof performance is effectively improved, the sealing performance of the connecting end is further enhanced through the arranged sealing clamp spring, invasion of water or other liquid is prevented, and the using effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connector, concretely relates to a circular waterproof connector. BACKGROUND

[0002] The connector is a kind of component widely contacted and used in electronic engineering technology, can be used between the circuit in the blocked place or isolated circuit, builds the bridge of communication, to make current flow, makes the circuit realize predetermined function, and the circular waterproof connector is a kind of electronic connector with high waterproof performance, is widely used in various waterproof, dustproof, high-temperature resistant and corrosion-resistant applications, its main use field includes but is not limited to industrial automation, aerospace, medical equipment, automobile industry, outdoor and sports equipment and other fields, wherein the circular waterproof connector can improve the electrical sealed connection use in industrial environment through waterproof effect, to protect the stable use of equipment.

[0003] The basic structure of the existing circular waterproof connector is composed of separable plug and socket, the socket is generally cylindrical metal or plastic shell, and the existing socket is connected with insulation contact and pin inside, the pin is arranged in the insulation contact, the plug and the socket of external connector are connected together by thread, bayonet or push-in mode, to realize electrical connection.

[0004] However, although the existing circular waterproof connector has been widely applied in multiple fields, there are still some defects in the use process, in some cases, due to the aging and wear of sealing glue, the connection sealing effect of connector socket and plug is poor, and the existing sealing ring is only sleeved and installed, which is easy to displace in the connection process, resulting in the decline of sealing performance of waterproof connector, and the sealing effect of connector connection use is poor, thereby affecting the waterproof performance and increasing the safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving above-mentioned defects, provides a circular waterproof connector, to solve the technical problem that the sealing effect of connector's sealing connection use is poor in the background art, affects waterproof performance, is not favorable to sealing use.

[0006] The utility model aims at solving above-mentioned defects, provides a circular waterproof connector, to solve the technical problem that the sealing effect of connector's sealing connection use is poor in the background art, affects waterproof performance, is not favorable to sealing use.

[0007] The utility model provides a circular waterproof connector, including the socket shell, the coaxial connection is established in socket shell, is provided with the pin on the insulator, the one end of pin passes through the insertion insulator and exposes the extension to the end of socket shell, the inside of socket shell forms has inserted hole, and the insertion insulator is inserted in the inserted hole of socket shell, and the inner wall of inserted hole is provided with the clamping slot, and the first sealing ring is installed in the clamping slot, and the outer surface of first sealing ring forms has the buckle protruding, and first sealing ring is clamped through buckle protruding with clamping slot, and is sleeved on the insulator, and one end of socket shell forms has the connecting end, and the second sealing ring is sleeved on the connecting end, and the inner wall of connecting end forms has the positioning protruding, and the sealing clamping spring is arranged in the connecting end, and the positioning opening is seted up on the sealing clamping spring, and the sealing clamping spring is arranged on the connecting end and is matched with positioning protruding through positioning opening.

[0008] Further in the above description, the clamping slots are provided in plurality and are distributed at intervals along the inner wall of the insertion hole, the buckle protrusions on the first sealing ring are matched with the clamping slots, and the inner ring of the first sealing ring is matched with the outer diameter of the insulator, so that the first sealing ring is clamped in the insertion hole and is sleeved with the insulator. Through the interval distribution of the clamping slots, the first sealing ring is matched with the clamping slots through the setting of corresponding buckle protrusions, the buckle connection of the buckle protrusions and the clamping slots is realized, the stability of the installation of the first sealing ring is improved, the displacement deviation in the connection use is prevented, and the sealing effect is improved.

[0009] Further in the above description, the surface of the first sealing ring close to the end of the socket shell is recessed to form a sealing groove. Through the setting of the sealing groove, when the connector plug outside is inserted into the insertion hole, the end of the insertion end abuts against the sealing groove, so that the sealing property of the connection of the connector plug and the socket shell is further improved, and the waterproof effect is further improved.

[0010] Further in the above description, the connecting end is formed at one end of the socket shell, the outer surface of the connecting end is provided with a sleeving slot, and the second sealing ring is sleeved and installed in the sleeving slot of the connecting end. Through the setting of the connecting end, stable installation and connection with the installation position outside can be realized, the sealing property of the connection is improved through the sleeving of the second sealing ring, and the waterproof effect is further improved.

[0011] Further in the above description, the outer surface of the socket shell close to the connecting end is formed with a positioning flange, and the outer surface of the socket shell close to the positioning flange is sleeved with a sealing washer.

[0012] Further in the above description, the outer surface of the socket shell is formed with a threaded mounting portion, the threaded mounting portion extends to the positioning flange, and the threaded mounting portion is connected with a locking block through threads. The setting of the threaded mounting portion facilitates the connection and installation.

[0013] Further in the above description, the threaded connection part is formed on the inner wall of the insulator away from the plug-in hole.

[0014] The utility model discloses the beneficial effect that: the first sealing ring is provided with stable mounting position for the clamping slot of the socket shell inner wall, and the buckle protrusion on the outer surface of the first sealing ring is closely clamped with the clamping slot, ensures the stable installation of the first sealing ring, reduces the displacement deviation of its connection installation, improves the sealing performance, thereby effectively prevents the improvement sealing waterproof performance, and the second sealing ring of the connecting end of one end of the socket shell is sleeved, provides the sealing protection for connector installation connection, strengthens waterproof effect and prevents the penetration of moisture or other liquid, and the positioning protrusion of the connecting end inner wall is matched with the positioning opening on the sealing snap spring, ensures the accurate positioning of the sealing snap spring, improves the convenience of installation, and the sealing performance of the connecting end is further strengthened through the sealing snap spring, prevents the invasion of moisture or other liquid, thereby enhancing the waterproof performance of the connector, improves the effect of use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of front view angle of this embodiment;

[0016] Figure 2 It is the perspective view of rear view angle of this embodiment;

[0017] Figure 3 It is the whole structure schematic diagram of this embodiment;

[0018] Figure 4 It is the sectional view of this embodiment;

[0019] The reference signs in the drawing are respectively: 1 - socket shell, 2 - insulator, 3 - plug pin, 4 - plug-in hole, 5 - clamping slot, 6 - first sealing ring, 7 - buckle protrusion, 8 - connecting end, 9 - second sealing ring, 10 - positioning protrusion, 11 - sealing snap spring, 12 - positioning opening, 13 - sealing groove, 14 - sleeving slot, 15 - positioning flange, 16 - sealing washer, 17 - threaded mounting part, 18 - locking block. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail in combination with the drawings and specific embodiment.

[0021] This embodiment, refer to Figures 1-4A waterproof connector, which is specifically embodied in a circular shape, comprises a socket shell 1, an insulator 2 coaxially connected in the socket shell 1, a plug pin 3 arranged on the insulator 2, and an insertion hole 4 formed in the socket shell 1. The plug pin 3 extends to the end of the socket shell 1 through the insulator 2. A clamping groove 5 is formed in the inner wall of the insertion hole 4. A first sealing ring 6 is clamped and installed in the clamping groove 5. A buckle protrusion 7 is formed on the outer surface of the first sealing ring 6. The first sealing ring 6 is clamped with the clamping groove 5 through the buckle protrusion 7 and is sleeved on the insulator 2. A connecting end 8 is formed at one end of the socket shell 1. A second sealing ring 9 is sleeved on the connecting end 8. A positioning protrusion 10 is formed on the inner wall of the connecting end 8. A sealing clamping spring 11 is arranged in the connecting end 8. A positioning opening 12 is formed on the sealing clamping spring 11. The sealing clamping spring 11 is arranged on the connecting end 8 and is matched with the positioning protrusion 10 through the positioning opening 12.

[0022] In the embodiment, the clamping groove 5 is arranged in four and is distributed at intervals along the inner wall of the insertion hole 4. The buckle protrusion 7 on the first sealing ring 6 is matched with the clamping groove 5. The inner circle of the first sealing ring 6 is matched with the outer diameter of the insulator 2. Thus, the first sealing ring 6 is clamped in the insertion hole 4 and is sleeved with the insulator 2. Through the clamping groove 5 distributed at intervals, the first sealing ring 6 is matched with the clamping groove 5 through the buckle protrusion 7 arranged correspondingly. The first sealing ring 6 is clamped with the clamping groove 5 through the buckle protrusion 7. The stability of the installation of the first sealing ring 6 is improved. The displacement deviation in the connection use is prevented. The sealing effect is improved.

[0023] In the embodiment, the surface of the first sealing ring 6 close to the end of the socket shell 1 is recessed to form a sealing groove 13. When the connector plug outside is inserted into the insertion hole 4, the end of the insertion end is abutted with the sealing groove 13. Thus, the sealing property of the connection of the connector plug and the socket shell 1 is further improved. The waterproof effect is improved.

[0024] In the embodiment, the connecting end 8 is formed at one end of the socket shell 1. The outer surface of the connecting end 8 is provided with a sleeving groove 14. The second sealing ring 9 is clamped and installed in the sleeving groove 14 of the connecting end 8. Through the connecting end 8 arranged, the stable installation connection with the installation position outside can be realized. The sealing property of the connection is improved through the sleeving second sealing ring 9. The waterproof effect is improved. The positioning flange 15 is formed on the outer surface of the socket shell 1 close to the connecting end 8. The sealing gasket 16 is sleeved on the outer surface of the socket shell 1 close to the positioning flange 15. The threaded mounting portion 17 is formed on the outer surface of the socket shell 1. The threaded mounting portion 17 extends to the positioning flange 15. The threaded mounting portion 17 is connected with the locking block 18 through screwing. The threaded mounting portion 17 arranged facilitates the connection and installation. The threaded connecting portion (not shown) is formed in the inner wall of the insertion hole 4 away from the insulator 2.

[0025] In this embodiment, the specific insulator 2 is made of PA material, and the socket shell 1 is made of metal, specifically copper alloy.

[0026] In this embodiment, the specific insulator 2 is made of PA material, and the socket shell 1 is made of metal, specifically copper alloy. In this embodiment, the specific insulator 2 is made of PA material, and the socket shell 1 is made of metal, specifically copper alloy. The first sealing ring 6 is tightly clamped with the buckle protrusion 7 on the outer surface of the first sealing ring 6 and the clamping slot 5, ensuring the stable installation of the first sealing ring 6, and the inner ring of the first sealing ring 6 is sleeved with the outer surface of the insulator 2, reducing the displacement deviation of the connection and installation, improving the sealing performance, thereby effectively improving the sealing and waterproof performance, the second sealing ring 9 sleeved on the connecting end 8 of the socket shell 1 makes the installation and connection of the socket shell 1 more tightly, enhances the waterproof effect and effectively prevents the penetration of water or other liquids, the positioning protrusion 10 on the inner wall of the connecting end 8 is matched with the positioning opening 12 on the sealing clasp spring 11, ensuring the accurate positioning of the sealing clasp spring 11 and improving the convenience of installation, the sealing clasp spring 11 is installed on the connecting end 8, so that the sealing clasp spring 11 and the first sealing ring 6 are respectively located at both ends of the socket shell 1, thereby further enhancing the sealing performance of the plug-in hole 4 inside, preventing the invasion of water or other liquids, thereby enhancing the waterproof performance of the connector and improving the use effect.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above in a preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiment within the scope of the present application are all within the scope of the present application.

Claims

1. A circular waterproof connector comprising a socket housing, an insulator coaxially connected in the socket housing, a plug pin provided on the insulator, and an end of the plug pin extending out of an end of the socket housing through the plug-in insulator, characterized in that: The inside of the socket shell is formed with a plug-in hole, an insulator is plugged into the plug-in hole of the socket shell, an inner wall of the plug-in hole is provided with a clamping slot, a first sealing ring is clamped and installed in the clamping slot, a buckle protrusion is formed on the outer surface of the first sealing ring, the first sealing ring is clamped with the clamping slot through the buckle protrusion and is sleeved on the insulator, one end of the socket shell is formed with a connecting end, a second sealing ring is sleeved on the connecting end, a positioning protrusion is formed on the inner wall of the connecting end, and a sealing clamping spring is arranged in the connecting end, a positioning opening is formed on the sealing clamping spring, and the sealing clamping spring is arranged on the connecting end and is paired with the positioning protrusion through the positioning opening.

2. The circular waterproof connector according to claim 1, characterized in that: The clamping slots are arranged in multiple numbers and are distributed at intervals along the inner wall of the plug-in hole, the buckle protrusions on the first sealing ring are matched with the clamping slots, the inner circle of the first sealing ring is matched with the outer diameter of the insulator, so that the first sealing ring is clamped in the plug-in hole and is sleeved with the insulator.

3. The circular waterproof connector according to claim 2, characterized in that: The surface of the first sealing ring close to the end of the socket shell is recessed to form a sealing groove.

4. The circular waterproof connector according to claim 1, characterized in that: The connecting end is formed on one end of the socket shell, a sleeving slot is formed on the outer surface of the connecting end, and the second sealing ring is clamped and installed in the sleeving slot of the connecting end.

5. The circular waterproof connector according to claim 4, characterized in that: A positioning flange is formed on the outer surface of the socket shell close to the connecting end, and a sealing washer is sleeved on the outer surface of the socket shell close to the positioning flange.

6. The circular waterproof connector according to claim 5, characterized in that: A threaded mounting portion is formed on the outer surface of the socket shell, the threaded mounting portion extends to the positioning flange, and a locking block is connected with the threaded mounting portion through threads.

7. The circular waterproof connector according to any one of claims 1-6, characterized in that: A threaded connecting portion is formed on the inner wall of the plug-in hole away from the insulator.

Images