Combined relay

Abstract

The utility model relates to the technical field of relays, in particular to a combined relay, which comprises a relay protection shell, a relay body and a protection plate, a relay sliding plug convenient-to-use structure is arranged on the inner side of the relay protection shell, and the relay sliding plug convenient-to-use structure comprises a movable plate, a sliding groove and a positioning frame. The two sliding grooves are fixedly formed in the two sides of the inner wall of the relay protection shell, two protruding strips are slidably connected to the inner sides of the two sliding grooves, and a plurality of rolling wheels are rotationally installed at the two ends of the two protruding strips through pin shafts. According to the combined relay, the movable plate can be driven to slide on the inner side of the relay protection shell through the convex strips on the two sides, so that after the relay body is pushed into the relay protection shell, the combined cavity can accommodate the relay body which is assembled and installed; subsequent relay wiring and switch operation steps can be completed without opening the protective shell, so that the use convenience of the combined relay is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, in particular to a combined relay. Background Art

[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 and the controlled system. 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 circuit conversion in the circuit.

[0003] For example, the publication number "CN213459584U" is named a combination relay. Although the threaded column can move horizontally in the threaded hole to drive the movable plate to move horizontally, and finally the vertical plate and the movable plate can cooperate with each other to fix the relay, the contact area between the vertical plate and the movable plate and the relay can be increased by setting an anti-slip pad, which is convenient for further fixing the relay. However, the existing combination relay needs to be connected and installed with the control circuit wires through the terminal posts at the end before it can be used, and there is also a gate switch on the relay that is manually controlled to open and close. Since the existing combination relay uses an almost fully enclosed protective shell structure to wrap the relay, not only does it make it difficult to connect the line smoothly, but every time the operator wants to push the door-smashing switch to reset, he must first complete the process of disassembling the shell, which directly leads to the cumbersome and complicated operation process, which in turn affects the inconvenience of using the combination relay.

[0004] At the same time, the existing combined relay adopts the method of pushing a button to separate the buckle to realize the disassembly of the relay protective shell, but the buckle adopts a spring structure for limit combination. As the number and frequency of pressing the button increase, the elastic length of the spring will become shorter, so that the buckle is not enough to pop out and firmly fix the protective shell. The protective shell on the outside of the relay is easy to fall off and separate, thereby affecting the service life of the combined relay. Utility Model Content

[0005] The utility model aims to solve the problem that the combined relay is not convenient to use and its service life is easily reduced, and proposes a combined relay.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined relay, comprising a relay protective shell, a relay body and a protective plate, the inner side of the relay protective shell is provided with a relay sliding plug-in structure for easy use, the relay sliding plug-in structure for easy use comprises a movable plate, a sliding groove and a positioning frame, two of the sliding grooves are fixedly opened on both sides of the inner wall of the relay protective shell, the inner sides of the two sliding grooves are slidably connected with two convex strips, the inner sides of the two convex strips are fixedly installed with a movable plate, the two ends of the two convex strips are rotatably installed with a plurality of rollers through pin shafts, the two positioning frames are fixedly installed on the front end of the outer wall of the relay protective shell, the inner side of the positioning frame is fixedly opened with two reserved windows, and the interior of the relay protective shell is fixedly opened with a combined cavity.

[0007] Preferably, a relay body is fixedly mounted above the movable plate, a terminal is fixedly mounted at the front end of the relay body, and a gate switch is fixedly mounted above the front end of the relay body.

[0008] Preferably, a relay assembly splicing structure is provided on the rear side of the movable plate;

[0009] The relay assembly splicing structure comprises a back plate, a splicing column and a plug-in hole;

[0010] The back plate is fixedly installed on the rear side of the movable plate, and a plurality of splicing columns are fixedly installed on the inner wall of the back plate, and an expansion sleeve is fixedly sleeved on the outer walls of the plurality of splicing columns, and a plurality of the plug-in holes are fixedly opened inside the side wall of the relay protective shell, and the inner sides of the plurality of the plug-in holes are movably connected to the splicing columns, and the plurality of the expansion sleeves are slidably connected to the inner walls of the plug-in holes.

[0011] Preferably, both sides of the relay protective shell are provided with a protective shell internal ventilation structure;

[0012] The internal ventilation structure of the protective shell includes a support plate, bolts and a dustproof net;

[0013] The two support plates are movably connected to the side walls of the relay protection shell, and dustproof nets are fixedly installed inside the two support plates. Multiple bolts are threadedly connected around the support plates, and the ends of the multiple bolts are threadedly connected to the outer wall of the relay protection shell.

[0014] Preferably, the relay body is movably connected to the inner side of the combined cavity, the front end of the gate switch is arranged opposite to the inner side of the reserved window, and the front end of the terminal is arranged opposite to the inner side of the reserved window.

[0015] Preferably, a plurality of protective plates are fixedly mounted on the outer wall of the relay body, and two sides of the relay body are arranged opposite to the inside of the dustproof net.

[0016] The utility model provides a combined relay, which has the beneficial effect that the movable plate can be driven to slide inside the relay protective shell by the convex strips on both sides. In this way, when the relay body is pushed into the relay protective shell, the combined cavity will accommodate the assembled relay body, and the subsequent relay wiring and switch operation steps can be completed without opening the protective shell, thereby improving the convenience of using the combined relay.

[0017] The back plate is made of strong and impact-resistant aluminum alloy material. The edge of the back plate will fit into the outer side of the relay protective shell. The back plate cooperates with the relay protective shell to achieve the effect of combined installation. Multiple expansion sleeves use their own elasticity and friction to support the inner wall of the plug-in hole outward inside the plug-in hole, and use the friction elasticity of the expansion sleeve to complete the assembly and docking of the protective shell, thereby reducing the situation where the spring is easily shortened and the locking effect is reduced after multiple compressions, thereby improving the service life of the combined relay. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a partial three-dimensional schematic diagram of the utility model;

[0019] Figure 2 for Figure 1 A front cross-sectional schematic diagram of

[0020] Figure 3 for Figure 1 A schematic top cross-sectional view of

[0021] Figure 4 for Figure 2 Enlarged cross-sectional view of part A in the middle;

[0022] Figure 5 for Figure 2 Enlarged cross-sectional view of part B in the middle;

[0023] Figure 6 for Figure 3 Enlarged schematic diagram of part C in the middle.

[0024] In the figure: 1. relay protective shell, 2. relay body, 3. protection plate, 4. terminal, 5. gate switch, 6. relay sliding plug-in structure for easy use, 61. moving plate, 62. convex strip, 63. roller, 64. sliding groove, 65. combined cavity, 66. positioning frame, 67. reserved window, 7. relay assembly splicing structure, 71. back plate, 72. splicing column, 73. expansion sleeve, 74. plug-in hole, 8. ventilation structure inside the protective shell, 81. support plate, 82. bolt, 83. dust net. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] See also Figure 1-6 A combined relay comprises a relay protection shell 1, a relay body 2 and a protection plate 3. A relay sliding plug-in structure 6 is provided on the inner side of the relay protection shell 1. The relay sliding plug-in structure 6 comprises a moving plate 61, a sliding groove 64 and a positioning frame 66. Two sliding grooves 64 are fixedly provided on both sides of the inner wall of the relay protection shell 1. Two convex strips 62 are slidably connected to the inner side of the two sliding grooves 64. The two convex strips 62 are consistent with the sliding grooves 64. The moving plate 61 can be driven to slide on the inner side of the relay protection shell 1 through the convex strips 62 on both sides. The moving plate 61 is fixedly installed on the inner side of the two convex strips 62. A plurality of rollers 63 are rotatably installed at both ends of the two convex strips 62 through a pin shaft. The rollers 63 are provided with a plurality of rollers through a pin shaft rotation. The rollers 63 can make the sliding efficiency of the convex strips 62 higher and reduce the wear.

[0027] Two positioning frames 66 are fixedly installed on the front end of the outer wall of the relay protective shell 1, and two reserved windows 67 are fixedly opened on the inner side of the positioning frame 66. The reserved window 67 is opened at the front end of the relay protective shell 1. The reserved window 67 can facilitate the operator to control and connect the gate switch 5 and the terminal 4 through the relay protective shell 1. In this way, when the relay body 2 is pushed into the relay protective shell 1, the combined cavity 65 will accommodate the assembled relay body 2, and the subsequent relay wiring and switch operation steps can be completed without opening the protective shell. The combined cavity 65 is fixedly opened inside the relay protective shell 1, the relay body 2 is fixedly installed above the movable plate 61, the terminal 4 is fixedly installed at the front end of the relay body 2, and the gate switch 5 is fixedly installed above the front end of the relay body 2;

[0028] The movable plate 61 can be driven to slide inside the relay protective shell 1 by the convex strips 62 on both sides, and a plurality of rollers 63 are provided through the rotation of the pin shaft. The use of the rollers 63 can make the sliding efficiency of the convex strips 62 higher and reduce wear. In this way, when the relay body 2 is pushed into the relay protective shell 1, the combined cavity 65 will accommodate the assembled relay body 2, and the subsequent relay wiring and switch operation steps can be completed without opening the protective shell, thereby improving the convenience of use of the combined relay.

[0029] See also Figure 1-6A relay assembly splicing structure 7 is provided on the rear side of the movable plate 61. The relay assembly splicing structure 7 includes a back plate 71, splicing columns 72 and plug holes 74. The back plate 71 is fixedly installed on the rear side of the movable plate 61. A plurality of splicing columns 72 are fixedly installed on the inner wall of the back plate 71. The back plate 71 is made of a strong and impact-resistant aluminum alloy material. The edge of the back plate 71 will fit the outer side of the relay protective shell 1. The back plate 71 cooperates with the relay protective shell 1 to achieve a combined installation effect. Four splicing columns 72 are relatively parallel, and the front ends of the four splicing columns 72 correspond to the positions of the plurality of plug holes 74 one by one.

[0030] The outer walls of the plurality of splicing columns 72 are fixedly sleeved with expansion sleeves 73, and the expansion sleeves 73 are made of a rubber sleeve material that is easily deformed and has strong elasticity. When the movable plate 61 carries the upper relay body 2 into the relay protective shell 1 to complete the assembly, the splicing columns 72 are also inserted into the corresponding plug holes 74, and the plurality of expansion sleeves 73 use their own elasticity and friction force to prop up the inner wall of the plug hole 74 outward inside the plug hole 74. The plurality of plug holes 74 are fixedly opened inside the side wall of the relay protective shell 1, and the inner sides of the plurality of plug holes 74 are movably connected to the splicing columns 72, and the plurality of expansion sleeves 73 are slidably connected to the inner wall of the plug hole 74. The relay body 2 is movably connected to the inner side of the combined cavity 65, and the front end of the gate switch 5 is arranged opposite to the inner side of the reserved window 67, and the front end of the terminal 4 is arranged opposite to the inner side of the reserved window 67;

[0031] The back plate 71 is made of strong and impact-resistant aluminum alloy material. The edge of the back plate 71 will fit to the outer side of the relay protective shell 1. The back plate 71 cooperates with the relay protective shell 1 to achieve the effect of combined installation. Four splicing columns 72 are relatively parallel, and the front ends of the four splicing columns 72 correspond to the positions of multiple plug-in holes 74 one by one. The expansion sleeve 73 is made of a rubber sleeve material that is easy to deform and has strong elasticity. When the moving plate 61 carries the upper relay body 2 into the interior of the relay protective shell 1 to complete the combination, the splicing columns 72 will also be inserted into the multiple corresponding plug-in holes 74. The multiple expansion sleeves 73 use their own elasticity and friction to support the inner wall of the plug-in hole 74 outward inside the plug-in hole 74, and use the friction elasticity of the expansion sleeve 73 to complete the assembly and docking of the protective shell, thereby reducing the situation where the spring is easily shortened and the locking effect is reduced after multiple compressions, thereby improving the service life of the combined relay.

[0032] See also Figure 1-6, the two sides of the relay protection shell 1 are provided with an internal ventilation structure 8 of the protection shell, and the internal ventilation structure 8 of the protection shell includes a support plate 81, a bolt 82 and a dustproof net 83. The two support plates 81 are movably connected to the side wall of the relay protection shell 1, and the dustproof net 83 is fixedly installed inside the two support plates 81. The dustproof net 83 is made of an aluminum alloy mesh with many small holes. The dustproof net 83 can prevent dust from entering the inner side of the relay protection shell 1. At the same time, the two relative dustproof nets 83 can enhance air flow and improve heat dissipation performance. The support plate 81 is threadedly connected around There are multiple bolts 82, which can be rotated and screwed on the outside of the relay protective shell 1 to fix the support plates 81 on both sides to the outside of the relay protective shell 1. The ends of the multiple bolts 82 are threadedly connected to the outer wall of the relay protective shell 1. Multiple protection plates 3 are fixedly installed on the outer wall of the relay body 2. The protection plates 3 are made of relatively strong, wear-resistant and durable light steel material. The protection plates 3 are buckled on the outside of the relay body 2 to improve the strength of the relay body 2 itself. The two sides of the relay body 2 are arranged relative to the inside of the dustproof net 83.

[0033] Working principle:

[0034] When using a combined relay to place the relay structure inside a protective shell to better control, adjust and protect the circuit:

[0035] The sliding combination of the combined relay is easy to use structure:

[0036] The two convex strips 62 are matched with the sliding grooves 64, and the movable plate 61 can be driven to slide inside the relay protective shell 1 by the convex strips 62 on both sides. The rollers 63 are rotated by the pins and are provided with multiple rollers. The use of the rollers 63 can make the sliding efficiency of the convex strips 62 higher and reduce the wear. The reserved window 67 can facilitate the operator to control and connect the gate switch 5 and the terminal 4 through the relay protective shell 1. In this way, when the relay body 2 is pushed into the relay protective shell 1, the combined cavity 65 will accommodate the assembled relay body 2, and the subsequent relay wiring and switch operation steps can be completed without opening the protective shell;

[0037] Combined fixed structure of combined relay:

[0038] The back plate 71 is made of strong and impact-resistant aluminum alloy material. The edge of the back plate 71 will fit the outer side of the relay protective shell 1. The back plate 71 cooperates with the relay protective shell 1 to achieve the effect of combined installation. Four splicing columns 72 are relatively parallel, and the front ends of the four splicing columns 72 correspond to the positions of the multiple plug-in holes 74 one by one. The expansion sleeves 73 are made of rubber sleeve materials that are easy to deform and have strong elasticity. When the moving plate 61 carries the upper relay body 2 into the interior of the relay protective shell 1 to complete the assembly, the splicing columns 72 will also be inserted into the multiple corresponding plug-in holes 74. The multiple expansion sleeves 73 use their own elasticity and friction to prop up the inner wall of the plug-in hole 74 from the inside of the plug-in hole 74 to the outside;

[0039] Ventilation protection structure of combined relay:

[0040] A dustproof net 83 is fixedly installed inside the two support plates 81. The dustproof net 83 is made of an aluminum alloy mesh with many small holes. The dustproof net 83 can prevent dust from entering the inner side of the relay protective shell 1. At the same time, the two relative dustproof nets 83 can enhance air flow and improve heat dissipation performance. The bolts 82 are rotated and screwed on the outside of the relay protective shell 1 to fix the support plates 81 on both sides to the outside of the relay protective shell 1. The protection plate 3 is made of a relatively strong, wear-resistant and durable light steel material. The protection plate 3 is buckled on the outside of the relay body 2, and the protection plate 3 is used to improve the strength of the relay body 2 itself.

[0041] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A combined relay, comprising a relay protection housing (1), a relay body (2) and a protection plate (3), characterized in that: The inner side of the relay protection shell (1) is provided with a relay sliding plug-in structure (6) for easy use. The relay sliding plug-in structure (6) for easy use comprises a moving plate (61), a sliding groove (64) and a positioning frame (66). Two of the sliding grooves (64) are fixedly provided on both sides of the inner wall of the relay protection shell (1). Two convex strips (62) are slidably connected to the inner sides of the two sliding grooves (64). The moving plate (61) is fixedly installed on the inner sides of the two convex strips (62). A plurality of rollers (63) are rotatably installed at both ends of the two convex strips (62) via pins. The two positioning frames (66) are fixedly installed on the front end of the outer wall of the relay protection shell (1). Two reserved windows (67) are fixedly provided on the inner sides of the positioning frames (66). A combined cavity (65) is fixedly provided inside the relay protection shell (1).

2. A combined relay according to claim 1, characterized in that: A relay body (2) is fixedly mounted above the movable plate (61), a terminal (4) is fixedly mounted at the front end of the relay body (2), and a gate switch (5) is fixedly mounted above the front end of the relay body (2).

3. A combined relay according to claim 1, characterized in that: A relay assembly splicing structure (7) is provided on the rear side of the movable plate (61); The relay assembly splicing structure (7) comprises a back plate (71), a splicing column (72) and a plug-in hole (74); The back plate (71) is fixedly mounted on the rear side of the movable plate (61); a plurality of splicing columns (72) are fixedly mounted on the inner wall of the back plate (71); an expansion sleeve (73) is fixedly sleeved on the outer walls of the plurality of splicing columns (72); a plurality of plug holes (74) are fixedly opened inside the side wall of the relay protection shell (1); the inner sides of the plurality of plug holes (74) are movably connected to the splicing columns (72); and the plurality of expansion sleeves (73) are slidably connected to the inner walls of the plug holes (74).

4. A combined relay according to claim 1, characterized in that: Both sides of the relay protective shell (1) are provided with protective shell internal ventilation structures (8); The internal ventilation structure (8) of the protective shell comprises a support plate (81), bolts (82) and a dustproof net (83); The two support plates (81) are movably connected to the side wall of the relay protection shell (1); dust screens (83) are fixedly installed inside the two support plates (81); a plurality of bolts (82) are threadedly connected around the support plates (81); and the ends of the plurality of bolts (82) are threadedly connected to the outer wall of the relay protection shell (1).

5. A combined relay according to claim 2, characterized in that: The relay body (2) is movably connected to the inner side of the combined cavity (65), the front end of the gate switch (5) is arranged opposite to the inner side of the reserved window (67), and the front end of the terminal (4) is arranged opposite to the inner side of the reserved window (67).

6. A combined relay according to claim 1, characterized in that: A plurality of protective plates (3) are fixedly mounted on the outer wall of the relay body (2), and two sides of the relay body (2) are arranged opposite to the inside of the dustproof net (83).

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