Novel five-prevention plug-in auxiliary switch

Abstract

The utility model relates to the technical field of auxiliary switches, in particular to a novel five-prevention plug-in type auxiliary switch which comprises an auxiliary switch body, convenient wiring mechanisms are arranged on the inner wall of the auxiliary switch body and the surface of a wire body, and elastic self-locking mechanisms are arranged on the inner wall of the auxiliary switch body and the surface of a male plug-in piece. The surface of the mounting block and the surface of the auxiliary switch body are provided with stable anti-falling mechanisms. According to the utility model, when the auxiliary switch is used, the equipment body and the auxiliary switch body can be stably installed, so that the looseness caused by vibration in the equipment operation process is greatly reduced, and when the auxiliary switch is used, only the original lead needs to be shifted, and the head of the lead is directly inserted into a corresponding wire harness; therefore, the auxiliary switch is more convenient to operate when in use, and the phenomenon that the male insertion piece is loosened from the interior of the groove body can be avoided when the auxiliary switch is in use, so that reliable contact of the male insertion piece is ensured, and the male insertion piece can be conveniently taken out during maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary switch technical field, concretely is a novel five -proof plug -in auxiliary switch. BACKGROUND

[0002] Auxiliary switch as a part of main switch is mainly used in high voltage or medium voltage circuit breaker, disconnecting switch and other power equipment as secondary control circuit opening, closing, signal control and interlock protection, the auxiliary switch wiring mode of the associated position state signal on the existing operating equipment is still the single wire lug respectively inserted on the plug piece on the travel switch according to the corresponding line number on the drawing, 24 pairs of contact points on the auxiliary switch need to lead the corresponding signal of equipment to the background system, in order to solve the problems and potential hazards existing in the prior art structure and connection mode, improve the convenience of work and the reliability of equipment, need a novel five -proof plug -in auxiliary switch.

[0003] The existing auxiliary switch is generally composed of a push rod, a reed, a moving contact component, a static contact component and a reset spring, which has a large volume, a high cost, poor sealing, no indication structure and limits its practicality to some extent. In addition, the existing auxiliary switch is not stable during installation, which may cause loosening due to vibration during equipment operation. The existing auxiliary switch is not convenient for plugging and inconvenient for users to operate, which makes the auxiliary switch inconvenient to operate during use. The male plug piece of the auxiliary switch is prone to poor contact, and the existing auxiliary switch usually does not have the function of elastic self-locking of the male plug piece, which cannot guarantee the reliable contact of the male plug piece and makes the auxiliary switch not convenient to remove during maintenance. SUMMARY

[0004] The utility model aims at providing a novel five -proof plug -in auxiliary switch to solve the problems of the auxiliary switch in the background art, such as instability during installation, inconvenience during plugging, inconvenience for users to operate and lack of elastic self-locking function of the male plug piece.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A novel five -prevention plug -in auxiliary switch, including auxiliary switch body, the surface of both sides of auxiliary switch body is equipped with mounting bracket, the side of auxiliary switch body is provided with pivot, one end of pivot is fixed with the surface of mounting bracket, the top of auxiliary switch body is provided with equipment body, the surface of equipment body is equipped with equal interval male blade, the inside of auxiliary switch body is equipped with equal interval female blade, the inside of auxiliary switch body is equipped with equal interval female blade, the inside of auxiliary switch body is provided with wire body, one end of wire body extends to the inside of female blade, the other end of wire body extends to the outside of auxiliary switch body, the surface of both sides of equipment body is equipped with mounting block, the surface of wire body is provided with convenient wiring mechanism, the inside of convenient wiring mechanism contains bunching ring, elastic ring and convenient wiring group, the surface of male blade and the inner wall of auxiliary switch body are provided with elastic self -locking mechanism, the inside of elastic self -locking mechanism contains self -locking groove, self -locking pad and elastic self -locking assembly, the surface of mounting block and auxiliary switch body is provided with firm anti -drop mechanism, the inside of firm anti -drop mechanism contains mounting stud, sucking disc, holding groove and mounting plate.

[0006] Preferably, the inside of the female plug is provided with a plug interface, the bottom end of the male plug penetrates the groove and the female plug in sequence and extends to the inside of the plug interface, one end of the mounting block extends to one side of the auxiliary switch body, the surface of the auxiliary switch body is provided with equal interval interface body, and the inner wall of the auxiliary switch body is provided with a sealing pad.

[0007] Preferably, the convenient wiring group is arranged on the inner wall of the auxiliary switch body and the surface of the wire body, the convenient wiring group is composed of an arc-shaped pad and an arc-shaped clamping plate, equal interval bunching rings are arranged on the inner wall of the auxiliary switch body, the arc-shaped clamping plate is arranged in the inside of the bunching ring, and the arc-shaped pad for clamping and preventing the wire body is adhered to the inner wall of the arc-shaped clamping plate.

[0008] Preferably, the inner wall of the arc-shaped pad is in contact with the surface of the wire body, equal interval elastic rings are arranged on the inner wall of the bunching ring, and one end of the elastic ring is fixed to the surface of the arc-shaped clamping plate.

[0009] Preferably, the elastic self-locking assembly is arranged on the inner wall of the auxiliary switch body and the surface of the male plug, the elastic self-locking assembly is composed of an elastic column and an extension spring, the self-locking grooves are arranged on the inner wall of the auxiliary switch body, the self-locking grooves are in communication with the inside of the groove, the self-locking pads for self-locking the male plug are arranged in the inside of the groove, and the inner wall of the self-locking pad is in contact with the surface of the male plug.

[0010] Preferably, the inner wall of the self-locking groove is provided with equidistant elastic columns, one end of the elastic column is fixed to the surface of the self-locking pad, the surface of the elastic column is provided with an extension spring, one end of the extension spring is fixed to the inner wall of the self-locking groove, and the other end of the extension spring is fixed to the surface of the self-locking pad.

[0011] Preferably, the surface of the mounting block is threadedly connected with a mounting stud, one end of the mounting stud penetrates through the mounting block and extends to the inner side of the mounting block, the inner side of the mounting block is provided with a mounting plate for mounting between the auxiliary switch body and the equipment body, the inner wall of the mounting plate is in contact with the surface of the auxiliary switch body, and the surface of the mounting plate is in rotating fit with the surface of the mounting stud.

[0012] Preferably, the inner side of the mounting plate is provided with a containing groove, and the containing groove is provided with a suction cup for preventing loosening, and the inner wall of the suction cup is in contact with the surface of the auxiliary switch body.

[0013] Compared with the prior art, the novel five-prevention plug-in auxiliary switch can stably mount the equipment body and the auxiliary switch body, greatly reduces loosening caused by vibration during equipment operation, and can directly insert the wire end into the corresponding wire harness, so that the auxiliary switch is more convenient to operate, and can avoid loosening of the male plug from the inner side of the groove body, thereby ensuring reliable contact of the male plug and convenient removal during maintenance.

[0014] 1. The stable anti-loosening mechanism is arranged, the equipment body drives the mounting block to move to one side of the auxiliary switch body, the user tightens the mounting stud on the surface of the mounting block, the mounting stud drives the mounting plate to move under the action of the mounting stud, the mounting stud drives the mounting plate to move to the surface of the auxiliary switch body, the mounting block is mounted on the surface of the auxiliary switch body under the joint action of the mounting stud and the mounting plate, at this time, the suction cup in the containing groove moves to the surface of the auxiliary switch body under the joint action of the containing groove and the mounting plate, the equipment body is prevented from loosening on the surface of the auxiliary switch body, the stable mounting function of the auxiliary switch is realized, and the equipment body and the auxiliary switch body can be stably mounted during use of the auxiliary switch, and loosening caused by vibration during equipment operation is greatly reduced.

[0015] 2、By setting up the convenient wiring mechanism, when the corresponding line body is inserted into the inside of the female plug, one end of the line body moves to the inside of the bundle coil, under the elastic force of the elastic ring in the bundle coil, the arc-shaped clamping plate and the arc-shaped pad are driven to move, so that the arc-shaped clamping plate drives the arc-shaped pad to move to contact the surface of the line body, under the joint action of the arc-shaped pad and the arc-shaped clamping plate, the line body is prevented from loosening from the surface of the female plug, so that the user is more convenient when inserting the line body, the function of the auxiliary switch for conveniently inserting the line body is realized, so that the auxiliary switch only needs to insert the original lead wire with the wire end directly into the corresponding wire harness when used, so that the auxiliary switch is more convenient to operate when used;

[0016] 3、By setting up the elastic self-locking mechanism, the device body drives the male plug to be automatically inserted into the inside of the groove body, so that one end of the male plug moves to the inside of the female plug, under the joint action of the stretching spring on the inner wall of the self-locking groove and the elastic column, the self-locking pad is driven to move, so that the elastic column and the stretching spring drive the self-locking pad to move to contact the surface of the male plug, under the joint action of the elastic column, the stretching spring and the self-locking pad, the male plug can be elastically self-locked in the inside of the groove body, the function of the auxiliary switch for elastically self-locking the male plug is realized, so that the auxiliary switch can avoid the male plug from loosening from the inside of the groove body when used, to ensure the reliable contact of the male plug and facilitate the removal during maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a front view cross-sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is a side view appearance enlarged structure schematic diagram of the utility model;

[0020] Figure 4 It is a top view enlarged structure schematic diagram of the utility model;

[0021] Figure 5 It is a Figure 2 Enlarged structure schematic diagram of the convenient wiring mechanism in the utility model;

[0022] Figure 6 It is a Figure 2 Enlarged structure schematic diagram of the elastic self-locking mechanism in the utility model;

[0023] Figure 7 It is an enlarged structure schematic diagram of the stable anti-dropping mechanism in the utility model.

[0024] In the figure: 1, auxiliary switch body; 101, fixed frame; 102, rotating shaft; 103, plug interface; 104, device body; 105, male plug; 106, female plug; 107, wire body; 108, mounting block; 109, groove body; 110, interface body; 111, sealing gasket; 2, convenient wiring mechanism; 21, wire binding ring; 22, elastic ring; 23, convenient wiring group; 231, arc-shaped pad; 232, arc-shaped clamping plate; 3, elastic self-locking mechanism; 31, self-locking groove; 32, self-locking pad; 33, elastic self-locking assembly; 331, elastic column; 332, extension spring; 4, stable anti-dropping mechanism; 41, mounting stud; 42, suction cup; 43, containing groove; 44, mounting plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance. Meanwhile, in the description of the present application, unless otherwise explicitly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The structure of the novel five-prevention plug-in auxiliary switch provided by the present application is as shown in Figure 1 and Figure 2As shown, the auxiliary switch body 1 is provided with a fixed frame 101 on both sides of the surface, a rotating shaft 102 on one side of the auxiliary switch body 1, a device body 104 above the auxiliary switch body 1, a public plug 105 with equal intervals on the surface of the device body 104, a slot 109 with equal intervals in the auxiliary switch body 1, a female plug 106 with equal intervals in the auxiliary switch body 1, a plug interface 103 in the female plug 106, a wire body 107 in the auxiliary switch body 1, an installation block 108 on both sides of the surface of the device body 104, an interface body 110 with equal intervals on the surface of the auxiliary switch body 1, and a sealing gasket 111 on the inner wall of the auxiliary switch body 1.

[0027] Further, as shown in Figure 2 and Figure 5 , the inner wall of the auxiliary switch body 1 and the surface of the wire body 107 are provided with a convenient wiring mechanism 2, the convenient wiring mechanism 2 comprises a wire binding ring 21, a elastic ring 22 and a convenient wiring group 23, the convenient wiring group 23 is arranged on the inner wall of the auxiliary switch body 1 and the surface of the wire body 107, the convenient wiring group 23 is composed of an arc-shaped pad 231 and an arc-shaped clamping plate 232, the auxiliary switch body 1 is provided with a wire binding ring 21 with equal intervals on the inner wall, the arc-shaped clamping plate 232 is arranged in the wire binding ring 21, the arc-shaped pad 231 for clamping and preventing the wire body 107 from falling off is adhered to the inner wall of the arc-shaped clamping plate 232, the inner wall of the arc-shaped pad 231 is in contact with the surface of the wire body 107, and the elastic ring 22 with equal intervals is arranged on the inner wall of the wire binding ring 21, one end of the elastic ring 22 is fixed to the surface of the arc-shaped clamping plate 232.

[0028] When the corresponding wire body 107 is inserted into the female plug 106, one end of the wire body 107 moves into the wire binding ring 21, and under the elastic force of the elastic ring 22 in the wire binding ring 21, the arc-shaped clamping plate 232 and the arc-shaped pad 231 are driven to move, so that the arc-shaped clamping plate 232 drives the arc-shaped pad 231 to move into contact with the surface of the wire body 107, and under the joint action of the arc-shaped pad 231 and the arc-shaped clamping plate 232, the wire body 107 is prevented from falling off from the surface of the female plug 106, so that the user is more convenient when inserting the wire body 107, thereby realizing the function of the auxiliary switch for conveniently inserting the wire body 107.

[0029] Further, as shown in Figure 2 and Figure 6As shown, the inner wall of the auxiliary switch body 1 and the surface of the male blade 105 are provided with elastic self-locking mechanisms 3, the inside of the elastic self-locking mechanism 3 contains a self-locking groove 31, a self-locking pad 32 and an elastic self-locking assembly 33, the elastic self-locking assembly 33 is arranged on the inner wall of the auxiliary switch body 1 and the surface of the male blade 105, the elastic self-locking assembly 33 is composed of a elastic column 331 and a stretching spring 332, the inner wall of the auxiliary switch body 1 is provided with a self-locking groove 31, the self-locking groove 31 is in communication with the inside of the groove body 109, the inside of the groove body 109 is provided with a self-locking pad 32 for self-locking the male blade 105, the inner wall of the self-locking pad 32 is in contact with the surface of the male blade 105, the inner wall of the self-locking groove 31 is mounted with an elastic column 331 at equal intervals, one end of the elastic column 331 is fixed with the surface of the self-locking pad 32, the surface of the elastic column 331 is sleeved with a stretching spring 332, one end of the stretching spring 332 is fixed with the inner wall of the self-locking groove 31, the other end of the stretching spring 332 is fixed with the surface of the self-locking pad 32.

[0030] When implemented, under the joint action of the stretching spring 332 and the elastic column 331 in the inner wall of the self-locking groove 31, the self-locking pad 32 is driven to move, so that the elastic column 331 and the stretching spring 332 drive the self-locking pad 32 to move to contact the surface of the male blade 105, under the joint action of the elastic column 331, the stretching spring 332 and the self-locking pad 32, the male blade 105 can be elastically self-locked in the inside of the groove body 109, so as to realize the function of the auxiliary switch elastically self-locking the male blade 105.

[0031] Further, as shown in Figure 2 and Figure 7 , the surface of the mounting block 108 and the auxiliary switch body 1 are provided with stable anti-loosening mechanisms 4, the inside of the stable anti-loosening mechanism 4 contains a mounting stud 41, a suction cup 42, a containing groove 43 and a mounting plate 44, the surface of the mounting block 108 is threadedly connected with a mounting stud 41, one end of the mounting stud 41 penetrates through the mounting block 108 and extends to the inside of the mounting block 108, the inside of the mounting block 108 is provided with a mounting plate 44 for mounting between the auxiliary switch body 1 and the equipment body 104, the inner wall of the mounting plate 44 is in contact with the surface of the auxiliary switch body 1, the surface of the mounting plate 44 and the surface of the mounting stud 41 are rotatably matched with each other, the inside of the mounting plate 44 is provided with a containing groove 43, the inside of the containing groove 43 is mounted with a suction cup 42 for anti-loosening, the inner wall of the suction cup 42 is in contact with the surface of the auxiliary switch body 1.

[0032] In implementation, after the user places the device body 104 on the surface of the auxiliary switch body 1, the device body 104 drives the mounting block 108 to move to one side of the auxiliary switch body 1, the user tightens the mounting stud 41 on the surface of the mounting block 108, which drives the mounting plate 44 to move under the action of the mounting stud 41, so that the mounting stud 41 drives the mounting plate 44 to move to contact the surface of the auxiliary switch body 1, and the mounting block 108 is mounted on the surface of the auxiliary switch body 1 under the joint action of the mounting stud 41 and the mounting plate 44. At this time, the suction cup 42 inside the containing groove 43 moves to contact the surface of the auxiliary switch body 1 under the joint action of the containing groove 43 and the mounting plate 44, avoiding the device body 104 from loosening on the surface of the auxiliary switch body 1, to realize the function of stable installation of the auxiliary switch.

[0033] Working principle: in use, first place the auxiliary switch body 1 at the designated position, and then place the device body 104 on the surface of the auxiliary switch body 1. After that, drive the mounting block 108 to move to one side of the auxiliary switch body 1, tighten the mounting stud 41 on the surface of the mounting block 108, drive the mounting plate 44 to move under the action of the mounting stud 41, so that the mounting stud 41 drives the mounting plate 44 to move to contact the surface of the auxiliary switch body 1, and the mounting block 108 is mounted on the surface of the auxiliary switch body 1 under the joint action of the mounting stud 41 and the mounting plate 44. At this time, the suction cup 42 inside the containing groove 43 moves to contact the surface of the auxiliary switch body 1 under the joint action of the containing groove 43 and the mounting plate 44, avoiding the device body 104 from loosening on the surface of the auxiliary switch body 1, to realize the function of stable installation of the auxiliary switch.

[0034] Subsequently, when the corresponding wire body 107 is inserted into the inside of the female tab 106, one end of the wire body 107 moves into the inside of the bundle coil 21, and the arc-shaped clamping plate 232 and the arc-shaped pad 231 are driven to move under the elastic force of the elastic ring 22 in the bundle coil 21, so that the arc-shaped clamping plate 232 drives the arc-shaped pad 231 to move to contact the surface of the wire body 107, avoiding the wire body 107 from loosening from the surface of the female tab 106 under the joint action of the arc-shaped pad 231 and the arc-shaped clamping plate 232, making it more convenient for the user to plug the wire body 107, to realize the function of convenient plugging of the auxiliary switch for the wire body 107, so that the user only needs to insert the original lead wire into the corresponding wire bundle with the wire head poked, making the auxiliary switch more convenient to operate in use.

[0035] Subsequently, the rotating shaft 102 is controlled by the mechanism of the external high-voltage circuit breaker, and in normal operation, the mechanism of the high-voltage circuit breaker controls the rotating shaft 102 to rotate clockwise or counterclockwise by an angle, so that the switching state of each pair of male blade 105 and slot body 109 is switched from on to off or from off to on.

[0036] Subsequently, the device body 104 drives the male blade 105 to be automatically inserted into the slot body 109, so that one end of the male blade 105 moves into the female blade 106, and under the joint action of the extension spring 332 and the elastic column 331 in the inner wall of the self-locking groove 31, the self-locking pad 32 is driven to move, so that the elastic column 331 and the extension spring 332 drive the self-locking pad 32 to move into contact with the surface of the male blade 105, and under the joint action of the elastic column 331, the extension spring 332 and the self-locking pad 32, the male blade 105 can be elastically self-locked in the slot body 109, so as to realize the function of the auxiliary switch elastically locking the male blade 105, so that the auxiliary switch can avoid the phenomenon that the male blade 105 is loose from the inside of the slot body 109 when used, so as to ensure the reliable contact of the male blade 105 and facilitate the removal during maintenance, the auxiliary switch has the functions of moisture-proof, anti-misplug, anti-falling, dust-proof, anti-flame-retardant and arbitrary interchange of standard parts after mass production, and is reliable, stable and convenient to use, can prevent misoperation, and finally completes the use of the auxiliary switch.

[0037] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A novel five-proof plug-in auxiliary switch, comprising an auxiliary switch body (1), characterized in that: The auxiliary switch body (1) has mounting brackets (101) on both sides of its surface. A rotating shaft (102) is provided on one side of the auxiliary switch body (1), and one end of the rotating shaft (102) is fixed to the surface of the mounting bracket (101). A device body (104) is provided above the auxiliary switch body (1). The surface of the device body (104) is provided with equally spaced male inserts (105). The interior of the auxiliary switch body (1) has equally spaced slots (109). The interior of the auxiliary switch body (1) has equally spaced female inserts (106). The interior of the auxiliary switch body (1) has a wire (107), one end of which extends into the interior of the female insert (106), and the other end of which extends outward from the auxiliary switch body (1). On both sides of the device body (104), mounting blocks (108) are installed. The inner wall of the auxiliary switch body (1) and the surface of the wire (107) are provided with a convenient wiring mechanism (2). The convenient wiring mechanism (2) contains a coil (21), an elastic ring (22) and a convenient wiring group (23). The inner wall of the auxiliary switch body (1) and the surface of the male plug (105) are provided with an elastic self-locking mechanism (3). The elastic self-locking mechanism (3) contains a self-locking groove (31), a self-locking pad (32) and an elastic self-locking component (33). The mounting block (108) and the surface of the auxiliary switch body (1) are provided with a stabilizing anti-detachment mechanism (4). The stabilizing anti-detachment mechanism (4) contains a mounting stud (41), a suction cup (42), a holding groove (43) and a mounting plate (44).

2. The novel five-proof plug-in auxiliary switch according to claim 1, characterized in that: The female insert (106) has an interface (103) inside. The bottom end of the male insert (105) passes through the groove (109) and the female insert (106) in sequence and extends into the interface (103). One end of the mounting block (108) extends to one side of the auxiliary switch body (1). The surface of the auxiliary switch body (1) is provided with equally spaced interface bodies (110). The inner wall of the auxiliary switch body (1) is equipped with a sealing gasket (111).

3. The novel five-proof plug-in auxiliary switch according to claim 1, characterized in that: The convenient wiring assembly (23) is set on the inner wall of the auxiliary switch body (1) and the surface of the wire (107). The convenient wiring assembly (23) is composed of an arc-shaped pad (231) and an arc-shaped clamp (232). The inner wall of the auxiliary switch body (1) is equipped with equally spaced coils (21). The inside of the coils (21) is provided with an arc-shaped clamp (232). The inner wall of the arc-shaped clamp (232) is glued with an arc-shaped pad (231) for clamping the surface of the wire (107) to prevent it from falling off.

4. A novel five-proof plug-in auxiliary switch according to claim 3, characterized in that: The inner wall of the arc-shaped pad (231) is in contact with the surface of the wire (107), and the inner wall of the coil (21) is equipped with elastic rings (22) at equal intervals. One end of the elastic ring (22) is fixed to the surface of the arc-shaped clamp (232).

5. A novel five-proof plug-in auxiliary switch according to claim 1, characterized in that: The elastic self-locking component (33) is disposed on the inner wall of the auxiliary switch body (1) and the surface of the male plug (105). The elastic self-locking component (33) is composed of an elastic column (331) and a extension spring (332). The inner wall of the auxiliary switch body (1) is provided with a self-locking groove (31). The self-locking groove (31) is connected to the interior of the groove body (109). The interior of the groove body (109) is provided with a self-locking pad (32) for self-locking the male plug (105). The inner wall of the self-locking pad (32) is in contact with the surface of the male plug (105).

6. A novel five-proof plug-in auxiliary switch according to claim 5, characterized in that: The inner wall of the self-locking groove (31) is equipped with elastic columns (331) at equal intervals. One end of the elastic column (331) is fixed to the surface of the self-locking pad (32). The surface of the elastic column (331) is fitted with a tension spring (332). One end of the tension spring (332) is fixed to the inner wall of the self-locking groove (31), and the other end of the tension spring (332) is fixed to the surface of the self-locking pad (32).

7. A novel five-proof plug-in auxiliary switch according to claim 1, characterized in that: The mounting block (108) is threaded with a mounting stud (41). One end of the mounting stud (41) passes through the mounting block (108) and extends to the inside of the mounting block (108). The inside of the mounting block (108) is provided with a mounting plate (44) for mounting between the auxiliary switch body (1) and the equipment body (104). The inner wall of the mounting plate (44) is in contact with the surface of the auxiliary switch body (1). The surface of the mounting plate (44) and the surface of the mounting stud (41) rotate with each other.

8. A novel five-proof plug-in auxiliary switch according to claim 7, characterized in that: The mounting plate (44) has a holding slot (43) inside, and a suction cup (42) for preventing loosening is installed inside the holding slot (43). The inner wall of the suction cup (42) is in contact with the surface of the auxiliary switch body (1).

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