Explosion-proof sparkless socket

Abstract

The utility model discloses an explosion-proof sparkless socket, which comprises an explosion-proof shell, the top of the explosion-proof shell is fixedly connected with an upper cover through bolts, the surface of the top of the upper cover is provided with a mounting hole, a socket contact element is assembled in the mounting hole, the top of the socket contact element is connected with a socket connector in an inserted manner, and the socket connector is connected with the explosion-proof shell. The outer wall of the plug connector is provided with a fastening cap used for locking the socket contact piece to be connected with the socket connector, one side of the surface of the outer wall of the anti-explosion shell is fixedly connected with a wiring cylinder, and the wiring cylinder is communicated with the interior of the anti-explosion shell. By combining the structural design of the utility model, the explosion-proof shell, the socket contact element and the socket connector are all in pluggable connection, so that damaged parts can be replaced in a targeted manner in the maintenance process, the maintenance cost is reduced, and in addition, the rubber protection cover body is arranged to prevent scraping and dust falling between plug pins, so that the safety of the socket is improved. And the safety and protection performance of the explosion-proof sparkless socket when the explosion-proof sparkless socket is not used are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of sockets, in particular to an explosion-proof spark-free socket. Background Art

[0002] The explosion-proof spark-free sockets currently used in explosion-proof places have an unreasonable structural setting. The socket connector is embedded in the socket explosion-proof shell. After the socket connector is damaged, it cannot be replaced alone. The socket connector and the socket explosion-proof shell can only be replaced as a whole, which increases the maintenance cost; secondly, there is no cover on the socket connector, which makes the socket as a whole exposed to an explosive environment when it is not in use, posing certain safety hazards. Summary of the Invention

[0003] The purpose of the present utility model is to provide an explosion-proof spark-free socket to solve the problem of the explosion-proof spark-free socket currently used in explosion-proof places mentioned in the above background technology, which has an unreasonable structural setting. The socket connector is embedded in the socket explosion-proof shell. After the socket connector is damaged, the socket connector cannot be replaced alone. The socket connector and the socket explosion-proof shell can only be replaced as a whole, which increases the maintenance cost; secondly, there is no cover on the socket connector, which makes the socket as a whole exposed to an explosion-prone environment when it is not in use, posing certain safety hazards.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an explosion-proof spark-free socket, comprising an explosion-proof shell, wherein an upper cover is fixedly connected to the top of the explosion-proof shell by bolts, a mounting hole is provided on the top surface of the upper cover, a socket contact is assembled in the mounting hole, a socket connector is plugged into the top of the socket contact, a fastening cap for locking the connection between the socket contact and the socket connector is provided on the outer wall of the plug connector, a wiring barrel is fixedly connected to one side of the outer wall surface of the explosion-proof shell, and the wiring barrel is communicated with the interior of the explosion-proof shell.

[0005] Preferably, both sides of the fastening cap are fixedly connected to the cover body via connecting devices.

[0006] Preferably, the socket contact includes a mounting tube, a contact connecting block, a wiring device and a plug-in device, the inner wall of the mounting tube is sleeved with the contact connecting block, one end of the contact connecting block is sleeved with the wiring device, the other end of the contact connecting block is sleeved with the plug-in device, and the outer wall of the mounting tube is provided with an external thread at one end of the plug-in device.

[0007] Preferably, a plurality of connection holes are provided on the surface of the contact connection block.

[0008] Preferably, the wiring device includes a first fixing block and a wiring terminal. The first fixing block is fixedly connected to one end surface of the contact connecting block, and the wiring terminal is installed on the surface of the first fixing block at a position opposite to the connection hole.

[0009] Preferably, the plugging device includes a second fixing block and a plugging hole. The second fixing block is fixedly connected to the other end surface of the contact connecting block, and the plugging hole is formed on the surface of the second fixing block at a position opposite to the connection hole.

[0010] Preferably, through holes are formed on the inner wall surface of the plugging hole.

[0011] Preferably, a partition board is fixedly connected to the surfaces of the second fixing block and the first fixing block. The first fixing block, the second fixing block and the partition board are made of rubber material.

[0012] Preferably, a conductive column adapted to the plugging hole is fixedly connected to one end surface of the socket connector, and a wiring hole is formed at the other end of the socket connector.

[0013] Beneficial effects

[0014] Compared with the existing technology, the beneficial effects of the present utility model are as follows:

[0015] Combined with the structural design of the present utility model, the explosion-proof housing, the socket contact and the socket connector are all pluggable connections, which ensures that during the maintenance process, the damaged parts can be replaced targeted, reducing the maintenance cost. In addition, a rubber protection cover is equipped to protect against scratches between the plug pins and the ingress of dust, enhancing the safety and protection performance when the explosion-proof non-sparking socket is not in use. Description of the drawings

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the structural schematic diagram of the socket connector of the present utility model;

[0018] Figure 3 is the explosion structural schematic diagram of the socket contact of the present utility model;

[0019] Figure 4 is the structural schematic diagram of the plugging device of the present utility model;

[0020] Figure 5 is the structural schematic diagram of the wiring device of the present utility model.

[0021] 1. Explosion-proof housing; 2. Upper cover; 3. Socket connector; 4. Fastening cap; 5. Connecting device; 6. Cover body;

[0022] 7. Wiring cylinder; 8. Socket contact; 9. Installation cylinder; 10. Contact connection block; 11. Wiring device;

[0023] 12. Plug-in device; 13. Partition; 21. Installation hole; 31. Conductive column; 32. Wiring hole; 91. External thread;

[0024] 101. Connection hole; 111. First fixing block; 112. Wiring terminal; 121. Second fixing block;

[0025] 122. Jack; 123. Through hole. Detailed implementation manner

[0026] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] Such as Figures 1-5It is a schematic structural diagram of an explosion-proof non-sparking socket according to a preferred embodiment of the present utility model. In this embodiment, an explosion-proof non-sparking socket includes an explosion-proof housing 1. The top of the explosion-proof housing 1 is fixedly connected with an upper cover 2 through bolts. The cooperation between the upper cover 2 and the explosion-proof housing 1 realizes the protection of the components inside the explosion-proof housing 1. An installation hole 21 is opened on the top surface of the upper cover 2, and a socket contact 8 is assembled in the installation hole 21. A socket connector 3 is plugged and connected to the top of the socket contact 8. A fastening cap 4 is arranged on the outer wall of the socket connector 3 to lock the connection between the socket contact 8 and the socket connector 3. Through the design of the fastening cap 4, the locking function of the plug-and-play connection between the socket contact 8 and the socket connector 3 is realized. On one side of the outer wall surface of the explosion-proof housing 1, a wiring cylinder 7 is fixedly connected, and the wiring cylinder 7 is communicated with the inside of the explosion-proof housing 1. This structural design facilitates the connection of cables. Combining the above structural design, the explosion-proof housing 1, the socket contact 8 and the socket connector 3 are all detachably connected, ensuring that during the maintenance process, the damaged parts can be replaced targeted, reducing the maintenance cost.

[0029] In this embodiment, both sides of the fastening cap 4 are fixedly connected with a cover body 6 through a connecting device 5. The connecting device 5 adopts a structural design of a connecting belt or a connecting chain. In addition, a rubber protection cover body is equipped to protect against scratching between the plug pins and the entry of dust, enhancing the safety and protection performance when the explosion-proof non-sparking socket is not in use.

[0030] In this embodiment, the socket contact 8 includes an installation cylinder 9, a contact connecting block 10, a wiring device 11 and a plugging device 12. The contact connecting block 10 is sleeved on the inner wall of the installation cylinder 9. A wiring device 11 is sleeved at one end of the contact connecting block 10. Through the setting of the wiring device 11, it is realized to be connected with the components inside the explosion-proof housing 1 through a connecting wire. A plugging device 12 is sleeved at the other end of the contact connecting block 10. Through the plugging device 11, the plug-and-play connection function with the socket connector 3 is realized. An external thread 91 is opened on the outer wall of the installation cylinder 9 at one end of the plugging device 12. Through the setting of the external thread 91, the cooperation with the fastening cap 4 is realized to realize the locking function of the plug-and-play connection between the socket contact 8 and the socket connector 3.

[0031] In this embodiment, a plurality of connection holes 101 are opened on the surface of the contact connecting block 10 to provide a connection space for the connection between the plugging device 12 and the wiring device 11.

[0032] In this embodiment, the wiring device 11 includes a first fixing block 111 and a wiring terminal 112. The first fixing block 111 is fixedly connected to one end surface of the contact connecting block 10. A wiring terminal 112 is installed on the surface of the first fixing block 111 at a position opposite to the connection hole 101. The connection with the components inside the explosion-proof housing 1 is realized through the wiring terminal 112 and a connecting wire.

[0033] In this embodiment, the plug-in device 12 includes a second fixing block 121 and a plug-in hole 122. The second fixing block 121 is fixedly connected to the other end surface of the contact connecting block 10. A plug-in hole 122 is formed on the surface of the second fixing block 121 at a position opposite to the connection hole 101. The plug-in connection between the plug-in hole 122 and the conductive column 31 is realized, so as to realize the function of connecting the plug connector 3 and the socket connector 8.

[0034] In this embodiment, a through hole 123 is formed on the inner wall surface of the plug-in hole 122. Since an electric arc may occur when the plug-in hole 122 is inserted and pulled out from the conductive column 31, the through hole 123 is provided to achieve the effect of arc ignition.

[0035] In this embodiment, a partition 13 is fixedly connected to the surfaces of the second fixing block 121 and the first fixing block 111, which effectively prevents the electric arcs generated when the plurality of plug-in holes 122 are inserted and pulled out from the conductive column 31 from affecting each other and reduces the service life. At the same time, the first fixing block 111, the second fixing block 121 and the partition 13 are made of rubber material, so as to play an insulating role.

[0036] In this embodiment, a conductive column 31 adapted to the plug-in hole 122 is fixedly connected to one end surface of the socket connector 3, which plays a better connection role. A wiring hole 32 is formed at the other end of the socket connector 3.

[0037] The above content further elaborates on the present invention in combination with specific embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, which should all be regarded as falling within the protection scope determined by the claims submitted for the present invention.

Claims

1. An explosion-proof non-sparking socket, comprising an explosion-proof housing (1), the top of the explosion-proof housing (1) is fixedly connected with an upper cover (2) by bolts, and it is characterized in that: The top surface of the upper cover (2) is provided with a mounting hole (21), a socket contact (8) is assembled in the mounting hole (21), a socket connector (3) is plug-connected to the top of the socket contact (8), a fastening cap (4) for locking the connection between the socket contact (8) and the socket connector (3) is arranged on the outer wall of the socket connector (3), and one side of the outer wall surface of the explosion-proof housing (1) is fixedly connected with a wiring cylinder (7), and the wiring cylinder (7) is communicated with the inside of the explosion-proof housing (1).

2. The explosion-proof non-sparking socket according to claim 1, wherein: Both sides of the fastening cap (4) are fixedly connected with a cover body (6) through a connecting device (5).

3. The explosion-proof non-sparking socket according to claim 1, wherein: The socket contact (8) includes a mounting cylinder (9), a contact connecting block (10), a wiring device (11) and a plugging device (12). The inner wall of the mounting cylinder (9) is sleeved with the contact connecting block (10). One end of the contact connecting block (10) is sleeved with the wiring device (11), and the other end of the contact connecting block (10) is sleeved with the plugging device (12). An external thread (91) is arranged on the outer wall of the mounting cylinder (9) at one end of the plugging device (12).

4. The explosion-proof non-sparking socket according to claim 3, characterized in that: A plurality of connecting holes (101) are arranged on the surface of the contact connecting block (10).

5. The explosion-proof non-sparking socket according to claim 3, wherein: The wiring device (11) includes a first fixing block (111) and a wiring terminal (112). The first fixing block (111) is fixedly connected to one end surface of the contact connecting block (10), and the wiring terminal (112) is installed on the surface of the first fixing block (111) at a position opposite to the connecting hole (101).

6. The explosion-proof non-sparking socket according to claim 3, characterized in that: The plugging device (12) includes a second fixing block (121) and a plugging hole (122). The second fixing block (121) is fixedly connected to the other end surface of the contact connecting block (10), and the plugging hole (122) is arranged on the surface of the second fixing block (121) at a position opposite to the connecting hole (101).

7. The explosion-proof non-sparking socket according to claim 6, wherein: A through hole (123) is arranged on the inner wall surface of the plugging hole (122).

8. The explosion-proof non-sparking socket according to claim 6, characterized in that: A partition plate (13) is fixedly connected to the surfaces of the second fixing block (121) and the first fixing block (111). The first fixing block (111), the second fixing block (121) and the partition plate (13) are made of rubber materials.

9. The explosion-proof non-sparking socket according to claim 1, characterized in that: A conductive column (31) adapted to the plugging hole (122) is fixedly connected to one end surface of the socket connector (3), and a wiring hole (32) is arranged at the other end of the socket connector (3).

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