Connector plug-in with sealing structure

Abstract

The utility model discloses a connector plug-in with a sealing structure, which comprises a main connecting sleeve and an auxiliary connecting sleeve, threaded grooves are fixed on two sides of the inner wall of the main connecting sleeve, a reserved groove is arranged inside one side of a hollow ring, and a sealing ring is fixed inside the reserved groove. The threaded groove is formed in the inner wall of the main connecting sleeve, then the threaded hollow block and the threaded groove are connected and installed, and therefore the auxiliary connecting sleeve can be connected and installed, the hollow ring is fixed to the inner wall of the main connecting sleeve, and when the threaded hollow block and the threaded groove are connected in a matched mode, the hollow ring is fixed to the inner wall of the main connecting sleeve. The threaded hollow block firstly makes contact with the threaded groove to be locked in a threaded mode, then the side edge of the threaded hollow block can reach the position of the hollow ring in the process of gradual inward connection, the reserved groove is formed in the hollow ring, and the sealing work after connection can be achieved again through the sealing ring in the reserved groove. In this way, the overall sealing connection capacity is well improved in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of connector plug-ins, in particular to a connector plug-in with a sealing structure. Background Art

[0002] Connector plug-in is also called electrical connector, also known as joint and socket, generally refers to electrical connector. Generally speaking, connector plug-in is the most basic connection device to realize detachable connection between circuit devices, components or assemblies. Its main function is to transmit signals and currents and control the on or off of the connected circuit.

[0003] Connector plug-ins have a wide range of applications and there are many types of them. Most of the time, the cables are connected in the middle of the connector plug-ins to achieve the purpose of transmitting signals and currents. When the connectors are connected, if the gap at the connection position is large, it will directly affect the stability under long-term use, and dust will easily leak in from the gap, which will directly accelerate the aging of the cable. Utility Model Content

[0004] The purpose of the utility model is to provide a connector plug-in with a sealing structure to solve the problem proposed in the above background technology that when the connector is connected, if the gap generated at the connection position is large, it will easily directly affect the stability under long-term use, and it is also easy for dust to leak in from the gap, which will directly accelerate the aging of the cable.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connector plug-in with a sealing structure, comprising a main connecting sleeve and a secondary connecting sleeve, wherein threaded grooves are fixed on both sides of the inner wall of the main connecting sleeve, a threaded hollow block is fixed on one side of the secondary connecting sleeve, hollow rings are fixed at positions close to the opening on both sides of the inner wall of the main connecting sleeve, a reserved groove is opened inside one side of the hollow ring, and a sealing ring is fixed inside the reserved groove.

[0006] Preferably, the secondary connecting sleeves are symmetrically distributed about the central axis of the main connecting sleeve, and a threaded connection is formed between the thread groove and the threaded hollow block.

[0007] Preferably, the hollow rings are symmetrically distributed about the vertical center axis of the main connecting sleeve, the inner dimension of the reserved groove is larger than the outer dimension of the sealing ring, and the reserved groove and the sealing ring are bonded and fixed.

[0008] Preferably, fixed arc plates are installed at the top and bottom ends of both sides of the inner wall of the main connecting sleeve, and one side of the fixed arc plate is connected to an annular plate.

[0009] Preferably, a hollow groove is opened inside the annular plate, the top and bottom ends of the inner wall of the hollow groove are connected to reset springs, one end of the reset spring is connected to an arc plate, and an insulating protective pad is bonded and fixed to the inner wall of the arc plate.

[0010] Preferably, the arc-shaped plates are symmetrically distributed about the central axis of the annular plate, and three groups of return springs are distributed at one end of the arc-shaped plates.

[0011] Preferably, a flame retardant layer is fixed inside the main connecting sleeve, a positioning block is fixed at one end of the flame retardant layer, an arc groove is opened inside the positioning block, and an airbag body is connected inside the arc groove.

[0012] Preferably, the positioning blocks are evenly distributed inside the main connecting sleeve, and the positioning blocks are symmetrically distributed about the central axis of the airbag body.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the connector plug-in with a sealing structure not only improves the sealing connection capability, but also improves the stable protection capability and flame retardant protection capability of the connector plug-in;

[0014] (1) The thread groove is formed on the inner wall of the main connecting sleeve, and then the threaded hollow block is used to complete the connection and installation between the threaded hollow block and the threaded groove, so that the connection and installation of the secondary connecting sleeve can be completed. A hollow ring is fixed on the inner wall of the main connecting sleeve. When the threaded hollow block and the threaded groove are connected, the threaded hollow block first contacts the threaded groove for thread locking, and then the side of the threaded hollow block reaches the position of the hollow ring in the process of gradually connecting inward, and a reserved groove is formed inside the hollow ring. The sealing ring inside the reserved groove can once again play a sealing role after the connection, thereby better improving the overall sealing connection ability during the working process;

[0015] (2) By installing the fixed arc plate at the top and bottom of the inner wall of the main connecting sleeve, and using the fixed arc plate to complete the connection and installation of the annular plate, the cable can pass through the arc plates when threading, and the end surface of the arc plate is connected to a reset spring, which can have a certain buffer protection ability while adjusting the spacing position of the arc plates. At the same time, the insulating protective pad plays a certain insulating protection role, thereby better improving the overall stable protection ability during the working process;

[0016] (3) The flame retardant layer is fixed inside the main connecting sleeve, so that the flame retardant layer is used for preliminary flame retardant protection, and the positioning blocks are evenly distributed inside the main connecting sleeve. An airbag body is installed between a group of positioning blocks. Therefore, when a fire problem occurs accidentally, the flame retardant powder filled in the airbag body can work, thereby improving the overall flame retardant protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the side structure of the main connecting sleeve of the utility model;

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

[0020] Figure 4 It is a schematic diagram of the side cross-sectional structure of the main connecting sleeve of the utility model.

[0021] In the figure: 1. main connecting sleeve; 2. fixed arc plate; 3. threaded groove; 4. auxiliary connecting sleeve; 5. threaded hollow block; 6. annular plate; 7. hollow ring; 8. reserved groove; 9. sealing ring; 10. reset spring; 11. hollow groove; 12. arc plate; 13. insulating protective pad; 14. flame retardant layer; 15. positioning block; 16. airbag body; 17. arc groove. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides an embodiment: a connector plug-in with a sealing structure, including a main connecting sleeve 1 and a secondary connecting sleeve 4, threaded grooves 3 are fixed on both sides of the inner wall of the main connecting sleeve 1, a threaded hollow block 5 is fixed on one side of the secondary connecting sleeve 4, hollow rings 7 are fixed at positions close to the opening on both sides of the inner wall of the main connecting sleeve 1, a reserved groove 8 is opened inside one side of the hollow ring 7, and a sealing ring 9 is fixed inside the reserved groove 8.

[0024] The auxiliary connecting sleeve 4 is symmetrically distributed about the central axis of the main connecting sleeve 1, and a threaded connection is formed between the thread groove 3 and the threaded hollow block 5.

[0025] The hollow rings 7 are symmetrically distributed about the vertical center axis of the main connecting sleeve 1 , the inner dimension of the reserved groove 8 is larger than the outer dimension of the sealing ring 9 , and the reserved groove 8 and the sealing ring 9 are bonded and fixed.

[0026] Fixed arc plates 2 are installed at the top and bottom ends of both sides of the inner wall of the main connecting sleeve 1 , and an annular plate 6 is connected to one side of the fixed arc plate 2 .

[0027] A hollow groove 11 is formed inside the annular plate 6 , and a return spring 10 is connected to the top and bottom of the inner wall of the hollow groove 11 . An arc plate 12 is connected to one end of the return spring 10 , and an insulating protective pad 13 is bonded and fixed to the inner wall of the arc plate 12 .

[0028] The arc-shaped plates 12 are symmetrically distributed about the central axis of the annular plate 6 , and three groups of return springs 10 are distributed at one end of the arc-shaped plates 12 .

[0029] A flame retardant layer 14 is fixed inside the main connecting sleeve 1 , a positioning block 15 is fixed at one end of the flame retardant layer 14 , an arc groove 17 is formed inside the positioning block 15 , and an air bag body 16 is connected inside the arc groove 17 .

[0030] The positioning blocks 15 are evenly distributed inside the main connecting sleeve 1, and the positioning blocks 15 are symmetrically distributed about the central axis of the airbag body 16;

[0031] Furthermore, the interior of the airbag body 16 is filled with flame retardant powder, which can be magnesium oxide powder. Under normal circumstances, the magnesium oxide powder is sealed inside the airbag body 16. When a fire or the like occurs, the airbag body 16 is burned and destroyed. The magnesium oxide powder exists stably at high temperatures and decomposes to release a large amount of water and carbon dioxide, thereby playing a flame retardant role.

[0032] Working principle: First, install the fixed arc plate 2 at the top and bottom ends of the inner wall of the main connecting sleeve 1, and use the fixed arc plate 2 to complete the connection and installation of the annular plate 6. The cable can pass through the arc plates 12 when threading, and the end face of the arc plate 12 is connected with a reset spring 10. The reset spring 10 can have a certain buffering protection ability while adjusting the spacing position of the arc plates 12, so that the cable is located in the center position, and then when the threaded hollow block 5 and the threaded groove 3 are connected, the threaded hollow block 5 first contacts the threaded groove 3 for thread locking, and then the side of the threaded hollow block 5 will reach the position of the hollow ring 7 in the process of gradually connecting inward, and a reserved groove 8 is opened inside the hollow ring 7, and the sealing ring 9 inside the reserved groove 8 is used to complete the sealing work after connection.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A connector plug-in with a sealing structure, comprising a main connecting sleeve (1) and a secondary connecting sleeve (4), characterized in that: Threaded grooves (3) are fixed on both sides of the inner wall of the main connecting sleeve (1), a threaded hollow block (5) is fixed on one side of the auxiliary connecting sleeve (4), hollow rings (7) are fixed at positions close to the opening on both sides of the inner wall of the main connecting sleeve (1), a reserved groove (8) is opened inside one side of the hollow ring (7), and a sealing ring (9) is fixed inside the reserved groove (8).

2. A connector plug-in with a sealing structure according to claim 1, characterized in that: The secondary connecting sleeve (4) is symmetrically distributed about the central axis of the main connecting sleeve (1), and a threaded connection is formed between the thread groove (3) and the threaded hollow block (5).

3. The connector plug-in with a sealing structure according to claim 1, characterized in that: The hollow rings (7) are symmetrically distributed about the vertical center axis of the main connecting sleeve (1); the inner dimension of the reserved groove (8) is larger than the outer dimension of the sealing ring (9); and the reserved groove (8) and the sealing ring (9) are bonded and fixed.

4. The connector plug-in with a sealing structure according to claim 1, characterized in that: Fixed arc plates (2) are installed at the top and bottom ends of both sides of the inner wall of the main connecting sleeve (1), and one side of the fixed arc plate (2) is connected to an annular plate (6).

5. A connector plug-in with a sealing structure according to claim 4, characterized in that: A hollow groove (11) is provided inside the annular plate (6), the top and bottom ends of the inner wall of the hollow groove (11) are connected to a return spring (10), one end of the return spring (10) is connected to an arc plate (12), and an insulating protective pad (13) is bonded and fixed to the inner wall of the arc plate (12).

6. The connector plug-in with a sealing structure according to claim 5, characterized in that: The arc-shaped plate (12) is symmetrically distributed about the central axis of the annular plate (6), and three groups of the return springs (10) are distributed at one end of the arc-shaped plate (12).

7. The connector plug-in with a sealing structure according to claim 1, characterized in that: A flame retardant layer (14) is fixed inside the main connecting sleeve (1), a positioning block (15) is fixed to one end of the flame retardant layer (14), an arc-shaped groove (17) is provided inside the positioning block (15), and an airbag (16) is connected inside the arc-shaped groove (17).

8. The connector plug-in with a sealing structure according to claim 7, characterized in that: The positioning blocks (15) are evenly distributed inside the main connecting sleeve (1), and the positioning blocks (15) are symmetrically distributed about the central axis of the airbag body (16).

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