Easily assembled and disassembled structure of relay protective cover and fixing buckle

Abstract

The utility model discloses a relay protective cover and fixing buckle easy dismounting structure, which comprises a relay body, a protective cover and an end cover, the relay body is arranged in the protective cover, the end cover is fixed at the end part of the protective cover to limit the relay body in the protective cover, the protective cover is provided with a detachable fixing buckle, and the fixing buckle is fixed on the protective cover. The protective cover is provided with a first limiting rail, a second limiting rail and a locking groove located beside the first limiting rail and the second limiting rail, the upper portion of the fixing buckle is provided with an elastic buckle body, the two sides of the fixing buckle are provided with a first limiting part and a second limiting part which are matched with the first limiting rail and the second limiting rail respectively, the front end of the fixing buckle is provided with an elastic lock catch matched with the locking groove, the rear end of the fixing buckle is provided with a blocking piece, and the first limiting part and the second limiting part in the fixing buckle are horizontally inserted into the first limiting rail and the second limiting rail respectively to form longitudinal positioning. The elastic lock catch is clamped into the locking groove, and the blocking piece abuts against the rear end of the first limiting rail and the rear end of the second limiting rail to form transverse positioning, so that the fixing buckle is fixed to the protective cover.

Description

Technical field:

[0001] The utility model relates to the technical field of relay products, in particular to an easy-to-disassemble structure of a relay protective cover and a fixing buckle. Background technology:

[0002] A relay is an electrical control device. When the change in input quantity reaches the specified requirement, it causes a predetermined step change in the controlled quantity in the electrical output circuit. It has an interactive relationship between the control system (also called the input circuit) and the controlled system (also called the output circuit). It is usually used in automated control circuits. It is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit.

[0003] A Chinese utility model patent with patent announcement number CN216487864U discloses a combined relay, including a protective cover, a threaded hole is provided at the top of the protective cover, a screw is connected to the internal thread of the threaded hole, the outer surface of the bottom of the screw is fixedly connected to the inside of a bearing, a fixing mechanism is fixedly connected to the bottom of the bearing, a relay body is provided inside the fixing mechanism, a pin is fixedly connected to the bottom of the relay body, a cover is hinged at the bottom of the protective cover, one end of the cover away from the hinge is snap-locked with the protective cover, and a socket corresponding to the pin is provided at the bottom of the cover; the advantages of the combined relay are that when the device needs to be carried, the screw is turned to move the fixing mechanism upward, so that the pin is disengaged from the socket and located inside the protective cover, which can effectively prevent the pin from being damaged during carrying and improve the safety of the relay body.

[0004] The above-mentioned combination relay has the following deficiencies: in the above-mentioned combination relay, no fixing buckle structure is provided on the outside of the protective cover, so that in actual use, when the protective cover is assembled with the shell or other components to be installed, a fixed connection cannot be achieved, and the protective cover is only fixed by nesting the protective cover and the shell, which cannot guarantee the stability of the assembly of the combination relay with the shell or other components to be installed, so that the reliability of the combined relay cannot be ensured; or, the protective cover is assembled with the shell or other components to be installed by the fixing buckle of the external strap to achieve a stable assembly effect, but the fixing buckle is fixed to the protective cover by binding with the strap, and its assembly stability is also lacking, and the appearance is not beautiful, it is easy to break, and the service life is not long.

[0005] In view of this, the inventor proposes the following technical solution. Utility model content:

[0006] The utility model aims to overcome the deficiencies of the prior art and provide an easily disassembled structure of a relay protection cover and a fixing buckle.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions: the easily detachable structure of the relay protective cover and the fixing buckle comprises a relay body, a protective cover and an end cover, the relay body is arranged in the protective cover, the end cover is fixed to the end of the protective cover to confine the relay body in the protective cover, and a detachable fixing buckle is arranged on the protective cover, wherein the protective cover is provided with a first limiting rail and a second limiting rail distributed at intervals and a locking groove located beside the first limiting rail and the second limiting rail; the upper part of the fixing buckle has An elastic buckle body is provided, and the first and second limiting parts which are respectively adapted to the first limiting rail and the second limiting rail are arranged on both sides of the fixing buckle, and an elastic lock buckle which is adapted to the locking groove is arranged at the front end of the fixing buckle, and a blocking piece is arranged at the rear end of the fixing buckle, and the first and second limiting parts in the fixing buckle are respectively horizontally inserted with the first and second limiting rails to form longitudinal positioning, and the elastic lock buckle is inserted into the locking groove, and the blocking piece is against the rear ends of the first and second limiting rails to form lateral positioning, so that the fixing buckle is fixed on the protective cover.

[0008] Furthermore, in the above technical solution, the longitudinal sections of the first limiting rail and the second limiting rail are L-shaped or inverted L-shaped; the first limiting portion and the second limiting portion are both limiting grooves, and the blocking piece also blocks the rear of the limiting groove.

[0009] Furthermore, in the above technical solution, a rail groove is formed between the first limit rail and the second limit rail and the surface of the relay body, and a convex rail is formed at the lower part of the first limit part and the second limit part, and the convex rail is embedded in the rail groove.

[0010] Furthermore, in the above technical solution, the fixing buckle is also provided with a space avoidance groove along its front end surface, and the space avoidance groove is located on the upper side of the elastic lock buckle, and the front end of the protective cover is also provided with a first opening and a second opening passing through the space avoidance groove, and an extended elastic arm is formed between the first opening and the second opening, and the extended elastic arm is integrally connected to the rear end of the elastic lock buckle.

[0011] Furthermore, in the above technical solution, the upper and lower and / or left and right inner walls of the protective cover are respectively provided with first and second ribs, which are respectively in contact with the outer surface of the relay body, so that a gap is formed between the outer surface of the relay body and the inner wall of the protective cover.

[0012] Furthermore, in the above technical solution, a plurality of waterproof rings are arranged at the rear end of the end cover, and the waterproof rings are in close contact with the inner wall of the protective cover.

[0013] Furthermore, in the above technical solution, the end cover is also provided with an undercut, and the protective cover is provided with a locking opening, and the undercut is inserted into the locking opening to form a lock.

[0014] Furthermore, in the above technical solution, the end cover is provided with a plurality of through terminal holes, terminals are provided in the terminal holes, and the pins at the front end of the relay body are inserted into the terminal holes and are connected to the terminals.

[0015] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: since the fixing buckle in the utility model can be disassembled and assembled relative to the protective cover, during normal use, the first limiting part and the second limiting part on both sides of the fixing buckle are horizontally inserted with the first limiting rail and the second limiting rail respectively to form a longitudinal positioning, and the elastic lock buckle of the fixing buckle is inserted into the locking groove, and the blocking piece of the fixing buckle is against the rear ends of the first limiting rail and the second limiting rail to form a lateral positioning, so that the fixing buckle is fixed on the protective cover without looseness, and the assembly structure is extremely stable, so that when it is assembled and used later, it can be directly buckled and assembled with the shell or other parts that need to be installed through the elastic buckle body on the upper part of the fixing buckle, and its installation is extremely simple, and can achieve the effect of stable assembly, beautiful appearance and long service life, and can also ensure the reliability of the relay body in the utility model, so that the utility model has strong market competitiveness. In addition, if a part of the fixing buckle breaks, the elastic lock buckle of the fixing buckle can be tilted up to make the elastic lock buckle disengage from the locking groove, and then the entire fixing buckle can be pushed backward to achieve disassembly, so that a new fixing buckle can be replaced later and assembled on the protective cover, which is extremely convenient to use. Description of the drawings:

[0016] Figure 1 It is a stereogram of the utility model from the first viewing angle;

[0017] Figure 2 It is a stereogram of the second viewing angle of the utility model;

[0018] Figure 3 It is a stereogram of the utility model from a third viewing angle;

[0019] Figure 4 This is a structural diagram of the utility model before the end cover is installed;

[0020] Figure 5 It is an exploded view of the utility model;

[0021] Figure 6 It is a three-dimensional diagram of the fixing buckle in the utility model;

[0022] Figure 7 It is a stereoscopic diagram of the fixing buckle in the utility model from another perspective. Specific implementation method:

[0023] The utility model is further described below in conjunction with specific embodiments and drawings.

[0024] See Figure 1-7 As shown, a relay protective cover and fixing buckle easy-to-disassemble structure comprises a relay body 1, a protective cover 2 and an end cover 3. The relay body 1 is arranged in the protective cover 2, and the end cover 3 is fixed to the end of the protective cover 2 to confine the relay body 1 in the protective cover 2, so that the protective cover 2 cooperates with the end cover 3 to well protect the relay body 1, can achieve the effect of dustproof and waterproof, improve the service life of the relay body 1, and ensure the working quality of the relay body 1.

[0025] In order to make the relay body 1 and the protective cover 2 more stably assembled, the following design is also made: the protective cover 2 is provided with a detachable fixing buckle 4, wherein the protective cover 2 is provided with a first limiting rail 21 and a second limiting rail 22 that are spaced apart and a locking groove 23 located beside the first limiting rail 21 and the second limiting rail 22; the fixing buckle 4 has an elastic buckle body 41 on the upper part, and the fixing buckle 4 is provided with first limiting parts 4 respectively adapted to the first limiting rail 21 and the second limiting rail 22 on both sides. 2 and the second limiting portion 43, and the front end of the fixing buckle 4 is provided with an elastic locking buckle 44 adapted to the locking groove 23, and the rear end of the fixing buckle 4 is provided with a blocking piece 45, the first limiting portion 42 and the second limiting portion 43 in the fixing buckle 4 are respectively horizontally inserted with the first limiting rail 21 and the second limiting rail 22 to form a longitudinal positioning, and the elastic locking buckle 44 is inserted into the locking groove 23, and the blocking piece 45 is against the rear ends of the first limiting rail 21 and the second limiting rail 22 to form a transverse positioning, so that the fixing buckle 4 is fixed on the protective cover 2. Since the fixing buckle 4 in the utility model can be disassembled and assembled relative to the protective cover 2, during normal use, the first limiting parts 42 and the second limiting parts 43 on both sides of the fixing buckle 4 are horizontally inserted into the first limiting rail 21 and the second limiting rail 22 respectively to form longitudinal positioning, and the elastic lock buckle 44 of the fixing buckle 4 is inserted into the locking groove 23, and the blocking piece 45 of the fixing buckle 4 is against the rear ends of the first limiting rail 21 and the second limiting rail 22 to form lateral positioning, so that the fixing buckle 4 is fixed on the protective cover 2 without looseness. The assembly structure has excellent stability, so that when it is assembled and used later, the elastic buckle body 41 on the upper part of the fixing buckle 4 can be directly snap-fitted with the shell or other parts that need to be installed. The installation is extremely simple, and the effect of stable assembly can be achieved. It has beautiful appearance and long service life. It can also ensure the reliability of the relay body 1 in the utility model, making the utility model have strong market competitiveness. In addition, if a part of the fixing buckle 4 breaks, the elastic lock buckle 44 of the fixing buckle 4 can be tilted up to make the elastic lock buckle 44 disengage from the locking groove 23, and then the entire fixing buckle 4 can be pushed backward to achieve disassembly, so that a new fixing buckle 4 can be replaced later and assembled on the protective cover 2, which is extremely convenient to use.

[0026] The longitudinal sections of the first limiting rail 21 and the second limiting rail 22 are L-shaped or reverse L-shaped; the first limiting portion 42 and the second limiting portion 43 are both limiting grooves, and the blocking piece 45 also blocks the rear part of the limiting groove. After the first limiting portion 42 and the second limiting portion 43 are respectively inserted into the first limiting rail 21 and the second limiting rail 22, a primary longitudinal positioning is formed. A rail groove 20 is formed between the first limiting rail 21 and the second limiting rail 22 and the surface of the relay body 1, and a convex rail 40 is formed at the lower part of the first limiting portion 42 and the second limiting portion 43. The convex rail 40 is embedded in the rail groove 20 to form a secondary longitudinal positioning, thereby ensuring that the fixing buckle 4 is more stably installed on the protective cover, and can further increase the assembly strength between the fixing buckle 4 and the protective cover, so that the two are not easy to break, and ensure the service life of the product.

[0027] In order to improve the elastic ability of the elastic lock buckle 44, the following design is also made: the fixing buckle 4 is also provided with an air avoidance groove 46 along its front end surface, and the air avoidance groove 46 is located on the upper side of the elastic lock buckle 44, and the front end of the protective cover 2 is also provided with a first opening 461 and a second opening 462 that pass through the air avoidance groove 46, and an extended elastic arm 463 is formed between the first opening 461 and the second opening 462, and the extended elastic arm 463 is integrally connected to the rear end of the elastic lock buckle 44, so that the extended elastic arm 463 serves as an extension section of the elastic lock buckle 44, thereby making the length of the arm body of the elastic lock buckle 44 longer and its elastic ability better.

[0028] The upper and lower and / or left and right inner walls of the protective cover 2 are respectively provided with a first convex rib 25 and a second convex rib 26, which are respectively in contact with the outer surface of the relay body 1, so that a gap is formed between the outer surface of the relay body 1 and the inner wall of the protective cover 2, so that not only the relay body 1 can be more stably positioned in the protective cover 2, but also a gap is formed between the outer surface of the relay body 1 and the inner wall of the protective cover 2, so that there is enough space to use tools to better remove the relay body 1 relative to the protective cover 2, and disassembly is more convenient.

[0029] In order to make the assembly of the end cover 3 and the protective cover 2 more stable and better sealed, the following design is also made: a plurality of waterproof rings 31 are arranged at the rear end of the end cover 3, and the waterproof rings 31 are in close contact with the inner wall of the protective cover 2, thereby making the assembly of the end cover 3 and the protective cover 2 more stable and better sealed.

[0030] The end cover 3 is also provided with an undercut 32 , and the protective cover 2 is provided with a locking opening 27 . The undercut 32 penetrates into the locking opening 27 and forms a lock, so that the end cover 3 is stably installed at the end of the protective cover 2 .

[0031] The end cap 3 is provided with a plurality of through terminal holes 33, in which terminals are provided, and the pins 11 at the front end of the relay body 1 are inserted into the terminal holes 33 and are connected to the terminals. The terminal holes 33 can also be used for inserting metal guides for connecting wires, and after the metal guides are inserted, they can be connected to the terminals, so that the wires are electrically connected to the relay body 1.

[0032] In summary, since the fixing buckle 4 in the utility model can be disassembled and assembled relative to the protective cover 2, during normal use, the first limiting portion 42 and the second limiting portion 43 on both sides of the fixing buckle 4 are horizontally inserted into the first limiting rail 21 and the second limiting rail 22 respectively to form a longitudinal positioning, and the elastic lock buckle 44 of the fixing buckle 4 is inserted into the locking groove 23, and the blocking piece 45 of the fixing buckle 4 is against the rear ends of the first limiting rail 21 and the second limiting rail 22 to form a lateral positioning, so that the fixing buckle 4 is fixed on the protective cover 2 without looseness. The assembly structure has excellent stability, so that when it is assembled and used later, the elastic buckle body 41 on the upper part of the fixing buckle 4 can be directly snap-fitted with the shell or other parts that need to be installed. The installation is extremely simple, and a stable assembly effect can be achieved. The appearance is beautiful and the service life is long. The reliability of the relay body 1 in the utility model can also be guaranteed, which makes the utility model have strong market competitiveness. In addition, if a part of the fixing buckle 4 breaks, the elastic lock buckle 44 of the fixing buckle 4 can be tilted up to make the elastic lock buckle 44 disengage from the locking groove 23, and then the entire fixing buckle 4 can be pushed backward to achieve disassembly, so that a new fixing buckle 4 can be replaced later and assembled on the protective cover 2, which is extremely convenient to use.

[0033] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A relay protective cover and fixing buckle easy-to-disassemble structure, comprising a relay body (1), a protective cover (2) and an end cover (3), wherein the relay body (1) is arranged in the protective cover (2), and the end cover (3) is fixed to the end of the protective cover (2) to confine the relay body (1) in the protective cover (2), characterized in that: The protective cover (2) is provided with a detachable fixing buckle (4), wherein the protective cover (2) is provided with a first limiting rail (21) and a second limiting rail (22) which are spaced apart and a locking groove (23) located beside the first limiting rail (21) and the second limiting rail (22); the fixing buckle (4) has an elastic buckle body (41) on the upper part, and the fixing buckle (4) is provided with a first limiting portion (42) and a second limiting portion (43) which are respectively adapted to the first limiting rail (21) and the second limiting rail (22), and the front end of the fixing buckle (4) is provided with a first limiting portion (42) and a second limiting portion (43) which are respectively adapted to the first limiting rail (21) and the second limiting rail (22). An elastic lock buckle (44) adapted to the locking groove (23) is provided, a blocking piece (45) is provided at the rear end of the fixing buckle (4), the first limiting portion (42) and the second limiting portion (43) in the fixing buckle (4) are respectively inserted horizontally with the first limiting rail (21) and the second limiting rail (22) to form longitudinal positioning, and the elastic lock buckle (44) is inserted into the locking groove (23), and the blocking piece (45) is pressed against the rear ends of the first limiting rail (21) and the second limiting rail (22) to form transverse positioning, so that the fixing buckle (4) is fixed on the protective cover (2).

2. The easily disassembled structure of a relay protective cover and a fixing buckle according to claim 1, characterized in that: The longitudinal sections of the first limiting rail (21) and the second limiting rail (22) are L-shaped or inverted L-shaped; the first limiting portion (42) and the second limiting portion (43) are both limiting grooves, and the blocking piece (45) also blocks the rear part of the limiting groove.

3. The easily disassembled structure of a relay protection cover and a fixing buckle according to claim 2, characterized in that: A rail groove (20) is formed between the first limit rail (21) and the second limit rail (22) and the surface of the relay body (1), and a convex rail (40) is formed at the lower part of the first limit part (42) and the second limit part (43), and the convex rail (40) is embedded in the rail groove (20).

4. The easily disassembled structure of a relay protective cover and a fixing buckle according to any one of claims 1 to 3, characterized in that: The fixing buckle (4) is also provided with a clearance groove (46) along its front end surface, the clearance groove (46) is located on the upper side of the elastic lock buckle (44), and the front end of the protective cover (2) is also provided with a first opening (461) and a second opening (462) penetrating the clearance groove (46) toward the rear, and an extension elastic arm (463) is formed between the first opening (461) and the second opening (462), and the extension elastic arm (463) is integrally connected to the rear end of the elastic lock buckle (44).

5. The easily disassembled structure of a relay protective cover and a fixing buckle according to any one of claims 1 to 3, characterized in that: The upper and lower and / or left and right inner walls of the protective cover (2) are respectively provided with a first convex rib (25) and a second convex rib (26), and the first convex rib (25) and the second convex rib (26) are respectively in contact with the outer surface of the relay body (1), so that a gap is formed between the outer surface of the relay body (1) and the inner wall of the protective cover (2).

6. The easily disassembled structure of a relay protection cover and a fixing buckle according to claim 5, characterized in that: A plurality of waterproof rings (31) are provided at the rear end of the end cover (3), and the waterproof rings (31) are in close contact with the inner wall of the protective cover (2).

7. The easily disassembled structure of a relay protection cover and a fixing buckle according to claim 6, characterized in that: The end cover (3) is also provided with an undercut (32), and the protective cover (2) is provided with a locking opening (27), and the undercut (32) penetrates into the locking opening (27) to form a locking state.

8. The easily disassembled structure of a relay protection cover and a fixing buckle according to claim 6, characterized in that: The end cover (3) is provided with a plurality of through terminal holes (33), terminals are provided in the terminal holes (33), and the pins (11) at the front end of the relay body (1) are inserted into the terminal holes (33) and are connected to the terminals.

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