Fuse type switch

Abstract

The utility model belongs to the field of switches, and particularly relates to a fuse type switch. Comprising a socket module which comprises a socket shell, slots arranged in the socket shell along the horizontal direction and elastic clamping pieces arranged in the slots; and the plug module comprises a surface cover connected with the top of the socket shell, a mounting groove arranged at the bottom of the surface cover and corresponding to the slot, a fusing seat arranged in the mounting groove and a fusing tube arranged on the fusing seat, and connecting terminals connected with the elastic clamping pieces are arranged at the two ends of the fusing tube. The plug module and the socket module can be quickly and accurately connected with each other without connecting pieces such as screws.

Description

TECHNICAL FIELD

[0001] The utility model belongs to switch technical field, especially a fuse type switch. BACKGROUND

[0002] As an indispensable protection device in power system, the fuse type switch is widely used in various electrical equipment and circuits. Its main function is to cut off the circuit by melting the fuse in the fuse tube when abnormal conditions such as overload or short circuit occur in the circuit, thereby ensuring the safe operation of electrical equipment and preventing serious accidents such as circuit fire.

[0003] In the prior art, the traditional fuse type switch has many inconveniences in the process of assembly and disassembly. For example, in some traditional designs, the fuse tube is usually directly installed on the internal base of the switch, and its connection method often depends on multiple scattered parts such as screws, nuts, etc. for fixation. When assembling, the operator needs to spend a lot of time to accurately place the fuse tube in the predetermined position, and then tighten the multiple screws one by one to ensure its stable connection. This process is not only cumbersome to operate, but also requires high skills and patience of the operator. In the disassembly process, all the fixing screws also need to be carefully unscrewed before the fuse tube can be taken out for replacement or maintenance. This design lacks the concept of modularity, and the correlation and integrity between the various components are poor, resulting in low efficiency of the entire assembly and disassembly process. SUMMARY

[0004] The plug module and the socket module of the utility model can be quickly and accurately connected without screws and other connecting parts.

[0005] The utility model discloses a fuse type switch, which comprises:

[0006] The socket module comprises a socket shell, a slot arranged in the socket shell in a horizontal direction, and an elastic clamping piece arranged in the slot.

[0007] The plug module comprises a face cover connected to the top of the socket shell, a mounting groove arranged at the bottom of the face cover and corresponding to the slot, a fuse seat arranged in the mounting groove, and a fuse tube arranged on the fuse seat, wherein the two ends of the fuse tube are provided with connecting terminals connected to the elastic clamping pieces.

[0008] The utility model further comprises an isolation groove arranged in the socket shell in a horizontal direction for separating adjacent fuse tubes.

[0009] The isolation groove comprises a fixed groove arranged therein for fixing the fuse tube in the socket shell.

[0010] The isolation groove comprises a fixed groove arranged therein for fixing the fuse tube in the socket shell.

[0011] The utility model further sets up, the elastic clamping piece includes:

[0012] The clamping piece seat is symmetrically arranged in the isolation groove and located outside the fixed groove;

[0013] The clamping piece is arranged on the top of the clamping piece seat from top to bottom, the clamping piece is oppositely arranged, and the clamping opening for inserting the connecting terminal is formed between the two opposite clamping pieces.

[0014] The utility model further sets up, the clamping opening is in the shape of big up and small down.

[0015] The utility model further sets up, the top of the socket shell and the bottom of the face cover are equipped with the anti-misplug assembly for preventing misplug.

[0016] The utility model further sets up, the anti-misplug assembly includes:

[0017] The anti-misplug convex is uniformly arranged on the bottom of the face cover and extends downward;

[0018] The anti-misplug groove is set up on the top of the socket shell in one-to-one correspondence with the anti-misplug convex.

[0019] The utility model further sets up, the socket shell and the face cover are equipped with the connecting assembly for cooperating with the anti-misplug assembly.

[0020] The utility model further sets up, the connecting assembly includes:

[0021] The permanent magnet is embedded along the edge of the bottom of the face cover;

[0022] The metal sheet is embedded on the top of the socket shell and corresponds to the permanent magnet one-to-one;

[0023] The plug-in hand is arranged on the top of the face cover.

[0024] Through the above technical scheme, the utility model can obtain the beneficial effects:

[0025] 1. through the cooperation of the anti-misplug convex and the anti-misplug groove, when the plug module is connected with the socket module, only the convex is accurately embedded in the groove, so that correct docking can be realized. This design effectively avoids the damage or safety accident of equipment caused by misplug, and improves the accuracy and safety of the fuse type switch connection.

[0026] 2. the magnetic attraction assembly formed by the permanent magnet and the metal sheet plays a role after the anti-misplug assembly completes preliminary positioning. The magnetic field generated by the permanent magnet attracts the metal sheet, so that the plug module and the socket module are automatically closely attached. This connection mode not only enhances the stability of the connection and prevents the connection from loosening due to vibration and other factors, but also simplifies the connection operation.

[0027] 3. Through the design of isolation groove and fixing groove, the adjacent fuse tubes are separated and fixed in the socket shell, effectively preventing mutual interference and displacement between the fuse tubes. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0029] Figure 2 is a schematic diagram of the sectional structure of the utility model; Figure 1

[0030] Figure 3 is a schematic diagram of the enlarged structure of A part of the utility model; Figure 1

[0031] Figure 4 is a schematic diagram of the exploded three-dimensional structure of the utility model;

[0032] Figure 5 is a schematic diagram of the three-dimensional structure of the plug module of the utility model;

[0033] Figure 6 is a schematic diagram of the three-dimensional structure of the socket module of the utility model.

[0034] In the drawing, the reference signs are: 1, socket module; 10, socket shell; 11, insertion slot; 110, isolation groove; 111, fixing groove; 12, elastic clamping piece; 120, clamping piece seat; 121, clamping piece; 2, plug module; 20, face cover; 21, mounting slot; 22, fuse seat; 23, fuse tube; 24, connecting terminal; 3, anti-misplug assembly; 30, anti-misplug protrusion; 31, anti-misplug groove; 4, connecting assembly; 40, permanent magnet; 41, metal sheet; 42, plug-pull hand. DETAILED DESCRIPTION

[0035] The utility model will be further described in conjunction with the drawings by specific embodiments, referring to Figures 1-6 :

[0036] Embodiment 1:

[0037] The embodiment provides a fuse type switch, which comprises:

[0038] The socket module 1 comprises a socket shell 10, an insertion slot 11 arranged in the socket shell 10 in a horizontal direction and an elastic clamping piece 12 arranged in the insertion slot 11.

[0039] The plug module 2 comprises a face cover 20 connected to the top of the socket shell 10, a mounting slot 21 arranged at the bottom of the face cover 20 and corresponding to the insertion slot 11, a fuse seat 22 arranged in the mounting slot 21 and a fuse tube 23 arranged on the fuse seat 22, and the two ends of the fuse tube 23 are provided with connecting terminals 24 connected to the elastic clamping piece.​​

[0040] The socket shell 10 serves as the external protection structure of the fuse-type switch, providing physical protection for the internal socket 11, elastic clamping member 12 and other components, preventing them from being affected by external mechanical impact, dust, moisture and other factors, and ensuring the safe and stable operation of the internal circuit. At the same time, it is also the installation base of the entire socket module 1, providing a fixed and supporting frame for other components. The socket shell 10 is generally a cuboid or other three-dimensional shape, located at the bottom or lower part of the fuse-type switch.

[0041] The socket 11 provides a dedicated space for the fuse tube 23, and the shape of the socket 11 matches the fuse tube 23, allowing the fuse tube 23 to be smoothly inserted. This space allows the fuse tube 23 to have a suitable position inside the fuse-type switch, ensuring that the fuse tube 23 does not randomly shake or shift due to the lack of a fixed position.

[0042] The elastic clamping member 12 is used to connect with the connecting terminal 24 at both ends of the fuse tube 23. It can adaptively hold the connecting terminal 24 and provide sufficient contact pressure to form good electrical contact between the connecting terminal 24 and the elastic clamping member 12.

[0043] The face cover 20 serves as the external protection and connection component of the plug module 2, on the one hand protecting the internal fuse holder 22, fuse tube 23 and other components from the external environment, and on the other hand connecting with the top of the socket shell 10 to realize the overall connection and fixation of the plug module 2 and the socket module 1. The face cover 20 is generally flat and its shape is adapted to the top of the socket shell 10, and is connected with the socket shell 10 through the connecting assembly 4 to realize detachable fixed connection.

[0044] The installation slot 21 is provided at the bottom of the face cover 20 and corresponds to the socket 11, mainly used to accommodate the fuse holder 22 and the fuse tube 23, providing a stable installation position for them, and ensuring that the fuse tube 23 can be accurately inserted into the socket 11 of the socket module 1 when the plug module 2 is connected with the socket module 1, realizing electrical connection. The installation slot 21 is generally a rectangular slot structure, and its shape and size are adapted to the fuse holder 22 and the fuse tube 23. The installation slot 21 is located at the center of the bottom of the face cover 20 or at a position corresponding to the socket 11 of the socket module 1, and is integrally formed with the face cover 20, being part of the internal structure of the face cover 20.

[0045] The fuse seat 22 serves as a mounting carrier for the fuse tube 23, providing physical support and a transition structure for electrical connection of the fuse tube 23. The fuse seat 22 is generally a rectangular or circular block structure, and can have some conductive lines or metal sheets 41 on its surface or inside for connecting the connection terminals 24 of the fuse tube 23 and other electrical components of the plug module 2. The fuse seat 22 can be mounted at the bottom of the face cover 20 and located in the mounting groove 21 by screws or one-piece molding.

[0046] The fuse tube 23 is the core component of the fuse-type switch, which plays a role in overload and short-circuit protection in the circuit. When the current in the circuit exceeds the rated current of the fuse tube 23, the fuse inside the fuse tube 23 melts, cutting off the circuit and protecting the safety of electrical equipment and circuits. The fuse tube 23 is generally a tubular structure, filled with a fuse inside, and has connection terminals 24 at both ends. The connection terminals 24 are generally metal sheets 41 or metal columns for electrical connection with the fuse seat 22 and the elastic clamping piece 12 of the socket module 1. The connection terminals 24 at both ends are connected to the fuse seat 22 by welding, pressure connection, etc., and are connected to the elastic clamping piece 12 of the socket module 1 by insertion, achieving electrical connection by the elastic clamping of the clamping piece 121.

[0047] Embodiment 2:

[0048] The embodiment provides a fuse-type switch, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0049] The insertion slot 11 includes:

[0050] The isolation groove 110 is arranged in the horizontal direction in the socket shell 10, and is used to separate adjacent fuse tubes 23;

[0051] The fixing groove 111 is arranged in the isolation groove 110, and is used to fix the fuse tube 23 in the socket shell 10.

[0052] The isolation groove 110 is arranged in the horizontal direction in the socket shell 10, and is mainly used to separate adjacent fuse tubes 23. In this way, it can prevent the failure of one fuse tube 23 from affecting other normal fuse tubes 23, avoid the spread of failure, and improve the reliability and safety of the fuse-type switch. At the same time, the isolation groove 110 also helps to organize internal wiring, making the circuit connection more orderly. The isolation groove 110 is generally a rectangular groove structure matched with the fuse tube 23, so as to facilitate the insertion and removal of the fuse tube 23. The isolation groove 110 is integrally formed with the socket shell 10 and is part of the internal structure of the socket shell 10.

[0053] The fixed groove 111 is used to fix the fuse tube 23 in the socket shell 10. It can limit the movement of the fuse tube 23 in the vertical direction and the horizontal direction, ensure that the fuse tube 23 can maintain a stable position when working normally and being impacted by a certain external force, and ensure that the electrical connection between the connecting terminal 24 and the elastic clamping piece 12 is reliable. The fixed groove 111 is generally a groove shape matched with the shape of the fuse tube 23. The fixed groove 111 is generally located in the middle position of the isolation groove 110 and is integrally formed with the socket shell 10, and together with the isolation groove 110, it constitutes a complete fuse tube 23 containing and fixing system.

[0054] Embodiment 3:

[0055] The embodiment provides a fuse switch, in addition to comprising the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0056] The elastic clamping piece 12 comprises:

[0057] The clamping piece seat 120 is symmetrically arranged in the isolation groove 110 and located outside the fixed groove 111.

[0058] The clamping piece 121 is arranged on the top of the clamping piece seat 120 from top to bottom, and the clamping piece 121 is oppositely arranged, and a clamping opening 122 for inserting the connecting terminal 24 is formed between the two opposite clamping pieces 121.

[0059] The clamping piece seat 120 is symmetrically arranged in the isolation groove 110 and located outside the fixed groove 111, and serves as a mounting base and support structure of the clamping piece 121. It provides a stable fixed position for the clamping piece 121, ensures that the clamping piece 121 can maintain the correct position and direction when being inserted by the connecting terminal 24 and being elastically deformed, and thus ensures good electrical connection performance. The clamping piece seat 120 is generally in block or sheet structure, and is generally rectangular or trapezoidal, so as to facilitate installation and fixation in the isolation groove 110. The clamping piece seat 120 can be integrally formed with the socket shell 10 through an injection molding process, or be fixed in the isolation groove 110 by means of screws, buckles and the like.

[0060] The clamping pieces 121 are arranged on the top of the clamping seat 120 from top to bottom, and are oppositely spaced, and a clamping opening 122 for inserting the connecting terminal 24 is formed between the two opposite clamping pieces 121. The main function is to adaptively hold the connecting terminal 24 by elastic deformation when the connecting terminal 24 is inserted into the clamping opening 122, so as to achieve good electrical connection. The clamping piece 121 is generally an elongated and elastic metal sheet 41 such as phosphor bronze, beryllium bronze, etc., and is usually in the shape of an arc or a curved shape to provide elastic deformation capability. The two ends of the clamping piece 121 can have some fixed structures such as folded edges, protrusions, etc. for connection with the clamping seat 120. The clamping piece 121 and the clamping seat 120 can be connected by means of a clamping groove, welding, riveting, etc. to ensure that they will not be loose or displaced during long-term use.

[0061] Embodiment 4:

[0062] The embodiment provides a fuse switch, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0063] The clamping opening 122 is in the shape of large at the top and small at the bottom.

[0064] The clamping opening 122 is a space formed between the two opposite clamping pieces 121 of the elastic clamping piece 12, and its main function is to receive the connecting terminal 24 of the fuse tube 23. Through the elastic deformation of the clamping piece 121, the clamping opening 122 can tightly clamp the connecting terminal 24, thereby realizing reliable electrical connection.

[0065] The clamping opening 122 is in the shape of large at the top and small at the bottom, and its upper opening is large, which facilitates the smooth insertion of the connecting terminal 24 and reduces the resistance and wear of the components during the insertion process. The lower part is gradually narrowed, and when the connecting terminal 24 is inserted, the clamping force provided by the clamping piece 121 will gradually increase with the increase of the insertion depth, forming a self-tightening structure. The shape of the clamping opening 122 is generally matched with the shape of the connecting terminal 24, and is generally approximately circular or rectangular, so as to ensure that the connecting terminal 24 can be tightly fitted in the clamping opening 122, thereby realizing good electrical contact.

[0066] Embodiment 5:

[0067] The embodiment provides a fuse switch, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0068] The socket shell 10 and the bottom of the cover 20 are provided with a mistaken insertion prevention assembly 3 for preventing mistaken insertion.

[0069] The anti-misplug assembly 3 is used to avoid the wrong connection between the plug module 2 and the socket module 1. In a complex electrical equipment connection scene, through the specific structural design, it is ensured that only the corresponding plug and socket can be correctly connected, effectively preventing the damage of equipment, circuit failure and even safety accidents caused by misplug.

[0070] During the connection process, the anti-misplug assembly 3 provides intuitive visual and tactile guidance for the operator. The operator can easily align the plug module 2 with the socket module 1 according to the characteristics of the assembly, making the connection process smoother and more efficient. This not only reduces the time required for connection, but also reduces the risk of damage to the equipment caused by improper operation.

[0071] Embodiment 6:

[0072] The embodiment provides a fuse-type switch, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0073] The anti-misplug assembly 3 comprises:

[0074] The anti-misplug protrusions 30 are uniformly arranged on the bottom of the face cover 20 and extend downward.

[0075] The anti-misplug grooves 31 are opened on the top of the socket shell 10, corresponding to the anti-misplug protrusions 30.

[0076] The anti-misplug protrusions 30 are used to cooperate with the anti-misplug grooves 31 on the socket shell 10, and play a role in preventing the wrong connection of the plug module 2 and the socket module 1. In actual operation, it can provide intuitive visual and tactile feedback for the operator, guide the plug module 2 to be correctly inserted into the socket module 1, and ensure the accuracy of the connection. At the same time, the anti-misplug protrusions 30 can also prevent the plug module 2 from being accidentally loosened or falling off after connection. Because the protrusions are embedded in the grooves, the stability of the plug module 2 and the socket module 1 in the horizontal direction is increased.

[0077] The anti-misplug protrusions 30 are generally prismatic or cylindrical protrusions, which are uniformly arranged at the edge position of the bottom of the face cover 20. The anti-misplug protrusions 30 can be made by integrally forming with the face cover 20, and in the manufacturing process of the face cover 20, the anti-misplug protrusions 30 are directly formed by the injection mold.

[0078] The anti-misplug groove 31 is used in cooperation with the anti-misplug protrusion 30, and is a key structure for preventing the plug module 2 and the socket module 1 from being misplugged. When the protrusion is accurately embedded in the groove, it indicates that the connection of the plug module 2 and the socket module 1 is correct, and plays a role of connection positioning. The anti-misplug groove 31 is provided on the top of the socket shell 10 in one-to-one correspondence with the anti-misplug protrusion 30. The shape thereof is matched with the anti-misplug protrusion 30. If the anti-misplug protrusion 30 is a prismatic strip, then the anti-misplug groove 31 is a prismatic pit. The anti-misplug groove 31 is a part of the socket shell 10, and is formed in the manufacturing process of the socket shell 10 by means of injection molding or mechanical processing, such as milling, drilling and the like.

[0079] Embodiment 7

[0080] The embodiment provides a fuse switch, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0081] The socket shell 10 and the face cover 20 are provided with a connecting assembly 4 for cooperating with the anti-misplug assembly 3.

[0082] The connecting assembly 4 is used for tightly connecting the plug module 2 and the socket module 1 together.

[0083] Embodiment 8

[0084] The embodiment provides a fuse switch, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0085] The connecting assembly 4 comprises:

[0086] The permanent magnet 40 is embedded along the edge of the bottom of the face cover 20;

[0087] The metal sheet 41 is embedded in the top of the socket shell 10 and corresponds to the permanent magnet 40 in one-to-one correspondence;

[0088] The plug-pull hand 42 is provided on the top of the face cover 20.

[0089] The permanent magnet 40 generates a magnetic field, interacts with the metal sheet 41 embedded in the top of the socket shell 10, and realizes the adsorption connection of the plug module 2 and the socket module 1 by magnetic attraction. In the plugging operation of the fuse switch, when the anti-misplug assembly 3 completes the preliminary positioning, the suction force generated by the permanent magnet 40 can make the plug module 2 automatically close to and tightly fit the socket module 1, thereby enhancing the convenience and stability of the connection of the two, effectively preventing the plug module 2 from loosening or accidentally falling off due to vibration, slight external force impact and other factors during equipment operation, and ensuring the reliable operation of the fuse switch in the circuit. The permanent magnet 40 is usually a block or sheet structure made of a permanent magnet material with strong magnetism. The permanent magnet 40 is embedded along the edge of the bottom of the face cover 20 and corresponds to the metal sheet 41 on the top of the socket shell 10. The permanent magnet 40 can be pre-placed in the mold during the injection molding process of the face cover 20, and embedded in the bottom of the face cover 20 by the injection molding process to form an integral whole with the face cover 20.

[0090] The metal sheet 41 is a magnetic attraction component corresponding to the permanent magnet 40. The metal sheet 41 is embedded in the top of the socket shell 10 and corresponds to the permanent magnet 40 on the bottom of the face cover 20 in a vertically opposite position relationship. When the permanent magnet 40 generates a magnetic field, it can be attracted by the permanent magnet 40, thereby realizing the tight adsorption connection between the plug module 2 and the socket module 1, enhancing the firmness of the connection, maintaining the stability of the overall structure of the fuse switch, and ensuring the reliability of the circuit connection under various working conditions. The metal sheet 41 is generally rectangular, circular or other shapes compatible with the shape of the permanent magnet 40, and is usually made of iron sheet or stainless steel sheet and other materials with good magnetic conductivity. The metal sheet 41 is fixed on the top of the socket shell 10 by embedding during injection molding, mechanical processing or other methods during the manufacturing process of the socket shell 10, so that the metal sheet 41 is tightly combined with the socket shell 10 to form an integral whole.

[0091] The plug-in hand 42 is used to provide a convenient and comfortable operating force point for the operator. During the plugging operation of the plug module 2 and the socket module 1, the operator can hold the plug-in hand 42 to more effectively apply external force, so as to facilitate the accurate insertion of the plug module 2 into the socket module 1 or the pulling out of the plug module 2 from the socket module 1. The plug-in hand 42 generally has various forms such as block, column, handle and the like. The plug-in hand 42 can be installed on the top of the face cover 20 by integral molding with the face cover 20 or screws.

[0092] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A fuse link switch characterized by ,include: The socket module (1) includes a socket housing (10), a slot (11) arranged horizontally within the socket housing (10), and an elastic clamping member (12) disposed within the slot (11); The plug module (2) includes a face cover (20) connected to the top of the socket housing (10), a mounting groove (21) located at the bottom of the face cover (20) and corresponding to the slot (11), a fuse holder (22) located in the mounting groove (21), and a fuse tube (23) located on the fuse holder (22). The fuse tube (23) has connecting terminals (24) at both ends connected to elastic clips.

2. A fuse link switch according to claim 1, wherein The slot (11) includes: Isolation grooves (110) are arranged horizontally inside the socket housing (10) to separate adjacent fuse tubes (23); A fixing groove (111) is provided in the isolation groove (110) for fixing the fuse tube (23) inside the socket housing (10).

3. A fuse link switch according to claim 1, wherein The elastic clamping member (12) includes: The clip holder (120) is symmetrically arranged in the isolation groove (110) and located outside the fixing groove (111); Clamping pieces (121) are disposed on the top of clamping piece base (120) from top to bottom. The clamping pieces (121) are arranged at intervals, and a clamping mouth (122) for inserting the connecting terminal (24) is formed between two opposing clamping pieces (121).

4. A fuse link switch according to claim 3, wherein The clamp (122) is shaped with a larger top and a smaller bottom.

5. A fuse link switch according to claim 1, wherein An anti-misinsertion component (3) is provided between the top of the socket housing (10) and the bottom of the faceplate (20) to prevent misinsertion.

6. A fuse link switch according to claim 5, wherein The anti-misinsertion component (3) includes: Anti-misinsertion protrusions (30) are evenly arranged at the bottom of the faceplate (20) and extend downward; Anti-misinsertion grooves (31) are provided on the top of the socket housing (10) in a one-to-one correspondence with anti-misinsertion protrusions (30).

7. A fuse link switch according to claim 5, wherein A connecting component (4) for working in conjunction with the anti-misinsertion component (3) is provided between the socket housing (10) and the faceplate (20).

8. A fuse link switch according to claim 7, wherein The connection component (4) includes: A permanent magnet (40) is embedded along the edge of the bottom of the faceplate (20); Metal sheet (41) is embedded in the top of socket housing (10) and corresponds one-to-one with permanent magnet (40); A plug handle (42) is located on the top of the faceplate (20).

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