Anti-drop plug for relay protection

Abstract

The utility model relates to the technical field of relay protection devices, and discloses an anti-drop plug for relay protection, which comprises a main body structure and a protection structure, the outer wall of the main body structure is fixedly connected with the protection structure, the main body structure comprises a plug body, and the plug body is inserted into a socket, so that the anti-drop plug is formed. When a fixing groove in the fixing column is aligned with a positioning groove in the connecting seat, a reset spring in the fixing groove applies an outward acting force to a fixing block, so that the fixing block is separated from the fixing groove and is clamped into the positioning groove, and the limiting and fixing of the plug body are enhanced; the plug body is firmly fixed at the jack of the socket, and after the plug body is fixed, the plug body is protected through the sliding guide rail, the sliding block and the protective shell, so that the problems that the plug body falls off due to external force in the use process, a relay cannot work normally, and the use safety of the relay is affected are solved.

Description

Technical Field

[0001] This utility model relates to the field of relay protection device technology, specifically an anti-dislodgement plug for relay protection. Background Technology

[0002] The study of power system faults and abnormal operating conditions that endanger safe operation explores countermeasures and automated anti-accident measures. Because its development mainly used relays with contacts to protect the power system and its components (generators, transformers, transmission lines, etc.) from damage, it is also called relay protection. Its basic task is to automatically disconnect the faulty equipment from the system in the shortest possible time and smallest area when a power system fault or abnormal operating condition occurs, or to send a signal for on-duty personnel to eliminate the root cause of the abnormal operating condition, so as to reduce or avoid equipment damage and the impact on power supply to adjacent areas.

[0003] According to the patent announcement CN217956187U, "Anti-miscontact Plug for Relay Protection," an anti-contact plate is added. A storage groove is provided on one side of each of the four sets of pins around the relay. The anti-contact plate is slidably installed within the storage groove. Sliding grooves are provided on the left and right sides of the inner wall of the storage groove, and compression springs are installed within the sliding grooves. In its natural state, the compression springs push the anti-contact plate vertically upward, blocking the outward-facing side of the pins. When the relay pins are inserted into the socket, the socket pushes the anti-contact plate against the downward tilt, ultimately allowing the anti-contact plate to slide horizontally into the storage groove. This does not affect the connection between the plug and the socket. Furthermore, the anti-contact plate effectively prevents fingers from directly contacting the pins when the plug is removed. This effectively solves the problem that users often insert their fingers between the plug and socket for easier force application when removing the plug, which can easily lead to contact with the pins on the plug. If the pins are also in contact with the contacts on the socket, it can easily cause electric shock and affect the safety of the relay.

[0004] However, the above-mentioned device has the problem that the plug is easily detached by external force during use, which can cause the relay to malfunction and affect the safety of the relay. Utility Model Content

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide an anti-detachment plug for relay protection, which can protect the plug body and prevent it from being detached due to external forces during use, thereby preventing the relay from working properly and affecting the safety of relay use.

[0006] The purpose of this utility model is achieved as follows:

[0007] A relay protection anti-dislodgement plug includes a main structure and a protective structure, wherein the protective structure is fixedly connected to the outer wall of the main structure.

[0008] The main structure includes a plug body, a socket for use with the plug body is provided on the front of the plug body, a fixing post is fixedly connected to the outer wall of the plug body, a connecting seat is fixedly connected to the outer wall of the socket, a slot is provided on the outer surface of the connecting seat, and the fixing post and the slot are inserted into each other.

[0009] The protective structure includes a sliding guide rail, a guide rod is fixedly connected to the inner bottom wall of the sliding guide rail, a sliding block is slidably connected to the outer surface of the guide rod, and a protective shell is fixedly connected to the outer wall of the sliding block.

[0010] Preferably, the outer wall of the fixing column is provided with a fixing groove, and a fixing block is provided inside the fixing groove, the top of the fixing block being semi-circular.

[0011] Preferably, a reset spring is fixedly connected to the inner wall of the fixing groove, and the top of the reset spring is fixedly connected to the bottom of the fixing block.

[0012] Preferably, the inner wall of the connecting seat is provided with a positioning groove, the shape and size of which are adapted to the shape and size of the fixing groove.

[0013] Preferably, the bottom of the protective shell is provided with a wiring groove, and the protective shell is made of transparent organic board.

[0014] Preferably, a connecting spring is sleeved on the outer wall of the guide rod, the top of the connecting spring is fixedly connected to the inner top wall of the sliding guide rail, and the bottom of the connecting spring is fixedly connected to the outer wall of the sliding block.

[0015] Preferably, the guide rod and the sliding block are configured in two sets, and the two sets of guide rods and sliding blocks are symmetrically arranged.

[0016] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0017] First, by inserting the plug body into the socket, the fixing post is simultaneously inserted into the connector through the slot. When the fixing groove on the fixing post aligns with the positioning groove in the connector, the return spring in the fixing groove applies an outward force to the fixing block, causing the fixing block to disengage from the fixing groove and engage with the positioning groove. This strengthens the limiting and fixing of the plug body, firmly securing the plug body to the socket. After the plug body is fixed, the sliding guide rail, sliding block, and protective shell protect the plug body, preventing it from falling off due to external forces during use. This would prevent the relay from working properly and affect the safety of the relay.

[0018] Secondly, by setting up a protective mechanism, when the plug body is unplugged, the sliding block is pushed down along the outer wall of the guide rod by the elastic force of the connecting spring, and the protective shell is also moved down, so that the protective shell protects the power hole of the socket, thereby preventing dust and moisture from entering the power hole and causing a short circuit. Attached Figure Description

[0019] Figure 1 This is an open schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of this utility model when closed.

[0021] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0023] Figure 5 For the present utility model Figure 4 Enlarged schematic diagram of the structure at point A.

[0024] The components are as follows: 1. Main structure; 101. Plug body; 102. Socket; 103. Fixing post; 104. Connecting seat; 105. Slot; 106. Fixing groove; 107. Fixing block; 108. Return spring; 109. Positioning groove; 2. Protective structure; 201. Sliding guide rail; 202. Guide rod; 203. Sliding block; 204. Protective shell; 205. Connecting spring. Detailed Implementation

[0025] The specific embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0026] A relay protection anti-dislodgement plug according to this specific embodiment, such as Figure 1-5 As shown, it includes a main structure 1 and a protective structure 2, with the protective structure 2 fixedly connected to the outer wall of the main structure 1;

[0027] The main structure 1 includes a plug body 101. A socket 102 for use with the plug body 101 is provided on the front of the plug body 101. A fixing post 103 is fixedly connected to the outer wall of the plug body 101. A connecting seat 104 is fixedly connected to the outer wall of the socket 102. A slot 105 is opened on the outer surface of the connecting seat 104. The fixing post 103 and the slot 105 are inserted into each other.

[0028] The protective structure 2 includes a sliding guide rail 201, a guide rod 202 is fixedly connected to the inner bottom wall of the sliding guide rail 201, a sliding block 203 is slidably connected to the outer surface of the guide rod 202, and a protective shell 204 is fixedly connected to the outer wall of the sliding block 203.

[0029] Through the above technical solution, by inserting the plug body 101 into the socket 102, the fixing post 103 is simultaneously inserted into the connector 104 through the slot 105. When the fixing groove 106 on the fixing post 103 aligns with the positioning groove 109 in the connector 104, the return spring 108 in the fixing groove 106 applies an outward force to the fixing block 107, causing the fixing block 107 to disengage from the fixing groove 106 and engage in the positioning groove 109. This strengthens the limiting and fixing of the plug body 101, firmly fixing the plug body 101 to the socket 102. After fixing the plug body 101, the sliding guide rail 201, the sliding block 203, and the protective shell 204 protect the plug body 101, preventing it from falling off due to external forces during use, thus preventing the relay from working properly and affecting the safety of the relay.

[0030] By setting up a protective mechanism, when the plug body 101 is unplugged, the sliding block 203 is pushed down along the outer wall of the guide rod 202 by the elastic force of the connecting spring 205, and at the same time, the protective shell 204 is also moved down, so that the protective shell 204 protects the power hole of the socket 102, thereby preventing dust and moisture from entering the power hole and causing a short circuit.

[0031] Specifically, a fixing groove 106 is provided on the outer wall of the fixing column 103, and a fixing block 107 is provided inside the fixing groove 106. The top of the fixing block 107 is semi-circular.

[0032] With the above technical solution, when the fixing groove 106 on the fixing post 103 is aligned with the positioning groove 109 in the connecting seat 104, the return spring 108 in the fixing groove 106 gives the fixing block 107 an outward force, causing the fixing block 107 to disengage from the fixing groove 106 and be inserted into the positioning groove 109, thereby strengthening the limiting and fixing of the plug body 101. The top of the fixing block 107 is semi-circular, which makes it easy for the fixing block 107 to be squeezed and retracted into the fixing groove 106.

[0033] Specifically, a reset spring 108 is fixedly connected to the inner wall of the fixed groove 106, and the top of the reset spring 108 is fixedly connected to the bottom of the fixed block 107.

[0034] The above technical solution provides an outward force to the fixed block 107 by setting a reset spring 108.

[0035] Specifically, the inner wall of the connector 104 is provided with a positioning groove 109, the shape and size of which are adapted to the shape and size of the fixing groove 106.

[0036] Through the above technical solution, the shape and size of the positioning groove 109 are adapted to the shape and size of the fixing groove 106, which makes it easy for the fixing block 107 to retract and disengage from the fixing groove 106 and the positioning groove 109.

[0037] Specifically, the bottom of the protective shell 204 has a cable routing groove, and the protective shell 204 is made of transparent organic board.

[0038] Through the above technical solution, by setting a cable routing groove at the bottom of the protective shell 204, the wire can extend to the outside through the protective shell 204. The protective shell 204 is made of transparent organic board, which makes it easy for staff to observe the connection status of the plug.

[0039] Specifically, a connecting spring 205 is sleeved on the outer wall of the guide rod 202. The top of the connecting spring 205 is fixedly connected to the inner top wall of the sliding guide rail 201, and the bottom of the connecting spring 205 is fixedly connected to the outer wall of the sliding block 203.

[0040] Through the above technical solution, the guide rod 202 guides the sliding block 203, so that the sliding block 203 is driven by the force of the connecting spring 205 to make the protective shell 204 slide downward.

[0041] Specifically, the guide rod 202 and the sliding block 203 are set in two sets, and the two sets of guide rod 202 and sliding block 203 are symmetrically arranged.

[0042] Through the above technical solution, by symmetrically setting the guide rod 202 and the sliding block 203, the protective shell 204 is driven to move up and down on the sliding guide rail 201.

[0043] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these specific embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A relay protection anti-dislodgement plug, comprising a main structure (1) and a protective structure (2), characterized in that: The outer wall of the main structure (1) is fixedly connected to a protective structure (2); The main structure (1) includes a plug body (101), the front of the plug body (101) is provided with a socket (102) for use with the plug body (101), a fixing post (103) is fixedly connected to the outer wall of the plug body (101), a connecting seat (104) is fixedly connected to the outer wall of the socket (102), a slot (105) is opened on the outer surface of the connecting seat (104), and the fixing post (103) and the slot (105) are inserted into each other; The protective structure (2) includes a sliding guide rail (201), a guide rod (202) is fixedly connected to the inner bottom wall of the sliding guide rail (201), a sliding block (203) is slidably connected to the outer surface of the guide rod (202), and a protective shell (204) is fixedly connected to the outer wall of the sliding block (203).

2. The anti-dislodgement plug for relay protection according to claim 1, characterized in that: The outer wall of the fixing column (103) is provided with a fixing groove (106), and a fixing block (107) is provided inside the fixing groove (106). The top of the fixing block (107) is semi-circular.

3. The anti-dislodgement plug for relay protection according to claim 2, characterized in that: A reset spring (108) is fixedly connected to the inner wall of the fixing groove (106), and the top of the reset spring (108) is fixedly connected to the bottom of the fixing block (107).

4. The anti-dislodgement plug for relay protection according to claim 1, characterized in that: The inner wall of the connecting seat (104) is provided with a positioning groove (109), the shape and size of which are adapted to the shape and size of the fixing groove (106).

5. The anti-dislodgement plug for relay protection according to claim 1, characterized in that: The protective shell (204) has a wiring groove at the bottom, and the protective shell (204) is made of transparent organic board.

6. The anti-dislodgement plug for relay protection according to claim 1, characterized in that: A connecting spring (205) is sleeved on the outer wall of the guide rod (202). The top of the connecting spring (205) is fixedly connected to the inner top wall of the sliding guide rail (201), and the bottom of the connecting spring (205) is fixedly connected to the outer wall of the sliding block (203).

7. The anti-dislodgement plug for relay protection according to claim 1, characterized in that: The guide rod (202) and sliding block (203) are configured in two sets, and the two sets of guide rod (202) and sliding block (203) are symmetrically arranged.

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