Assembly type installed power supply intelligent controller

Abstract

The utility model relates to the technical field of intelligent power supply controllers, in particular to an intelligent power supply controller installed in an assembly mode, which comprises a controller body, dustproof ash blocking mechanisms are arranged on the surface of the controller body, and overhaul and maintenance mechanisms are arranged on the inner walls of the controller body and a blocking door. And self-locking mounting mechanisms are arranged on the surface of the mounting column and the inner wall of the mounting seat. According to the utility model, the overall stability of the controller body in use can be ensured, so that when the intelligent power supply controller is used, a user can conveniently take down the baffle door to overhaul and maintain all parts in the controller body, and the intelligent power supply controller is more convenient for the user to operate; and when the intelligent power supply controller is used, dust can be prevented from entering the controller body through the wiring port, so that the phenomenon that all parts in the controller body are damaged can be avoided, and the service life of the intelligent power supply controller is longer.

Description

TECHNICAL FIELD

[0001] The utility model relates to power intelligent controller technical field, concretely is a kind of power intelligent controller of assembly type installation. BACKGROUND

[0002] In some business office, enterprise and public institution, some staffs always forget to turn off power during off work or going out, make some air conditioners, lamps and lanterns and some other electrical appliances in office, workshop in nobody case work or standby state and cause electric energy waste, thereby increase enterprise cost, also can cause some electrical fire, now need a kind of power intelligent controller of assembly type installation.

[0003] The existing power intelligent control can cause the power supply of module unit to be less than the actual working load when in use, resulting in the discharge of backup battery, and long-term operation can cause the station to be disconnected, causing bad conditions for customer operation.In addition, the existing power intelligent controller also has some shortcomings to some extent. The power intelligent controller needs to be installed before use. The existing power intelligent controller has a relatively cumbersome installation process, and the stability needs to be improved. This cannot ensure the overall stability of the controller body when in use. The power intelligent controller needs to be repaired when in use. The existing power intelligent controller is not convenient to repair the internal components, which makes it inconvenient for users to remove the door and maintain the internal components of the controller body, making it inconvenient for users to operate the power intelligent controller. Dust can easily enter the internal components of the power intelligent controller from the docking port when in use, causing damage to the internal components. The existing power intelligent controller usually does not have the function of dustproof and dustproof for the docking port and the internal components of the controller body, which makes it easy for dust to enter the internal components of the controller body through the docking port, causing damage to the internal components of the controller body, and shortening the service life of the power intelligent controller. SUMMARY

[0004] The utility model aims at providing a kind of power intelligent controller of assembly type installation, to solve the problem that power intelligent controller is used in the above background art when installing step is relatively cumbersome, stability needs to be improved, when repairing the internal components, it is not convenient, and usually does not have the function of dustproof and dustproof for the docking port and the internal components of the controller body.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A power intelligent controller of assembly type installation, including controller body, the surface of controller body is provided with the door, the surface of door all is installed with electric element, one side of controller body is provided with the plate body, the inside of controller body is provided with the circuit board, the surface of both sides of controller body all is installed with the wiring port, the surface of plate body all is installed with the mounting seat, the surface of controller body all is installed with the mounting post, the one end of mounting post extends to the inside of mounting seat, the surface of controller body all is provided with dustproof dirt prevention mechanism, the inside of dustproof dirt prevention mechanism contains dust screen, fixed clamping block, guide sliding block, fixed clamping groove and guide sliding groove, the inner wall of controller body and door all is provided with the maintenance mechanism, the inside of maintenance mechanism contains connecting column, anti -drop card and maintenance department, the inner wall of mounting post and mounting seat all is provided with self -locking installation mechanism, the inside of self -locking installation mechanism contains first magnet, second magnet and self -locking installation group.

[0006] Preferably, the surface of both sides of the circuit board is provided with a fixed block, the inner wall of both sides of the controller body is provided with a fixed slot, the surface of the fixed slot and the fixed block is slidably connected, the surface of the circuit board is provided with a signal receiving module, the surface of the circuit board is provided with a signal transmission module, the signal transmission module and the signal receiving module are connected, the surface of the circuit board is provided with an analysis processing module, the analysis processing module and the signal transmission module are connected, the surface of the circuit board is provided with a switch module, and the switch module and the analysis processing module are connected.

[0007] Preferably, the surface of the controller body is provided with a dust screen for dustproofing the surface of the wiring port, the surface of the controller body is provided with a guide sliding groove, the surface of the dust screen is provided with a guide sliding block, and the inner wall of the guide sliding block and the guide sliding groove is slidably connected.

[0008] Preferably, the surface of the guide sliding block is provided with a fixed clamping block for preventing the dust screen from loosening, the inner wall of the controller body is provided with a fixed clamping groove, and the surface of the fixed clamping groove and the fixed clamping block is connected.

[0009] Preferably, the maintenance department is arranged on the inner wall of the controller body and the door, and the maintenance department is composed of a maintenance department, a groove body and a block body, the inner wall of the door is provided with a connecting column, the inner wall of the controller body and the connecting column are connected, the surface of the connecting column is provided with an anti -drop card, and the inner wall of the controller body and the anti -drop card are connected.

[0010] Preferably, the inner wall of the door is provided with a block, the inner wall of the controller body is provided with a groove, the surface of the block is provided with an elastic clamping piece for preventing the door from being separated, and the elastic clamping piece is clamped with the inner wall of the controller body.

[0011] Preferably, the self-locking mounting group is arranged on the surface of the mounting column and the inner wall of the mounting seat, the self-locking mounting group is composed of a self-locking clamping tongue and an elastic spring, the surface of the mounting column is provided with a first magnet, and the inner wall of the mounting seat is provided with a second magnet.

[0012] Preferably, the inner wall of the mounting seat is provided with a self-locking clamping tongue, the self-locking clamping tongue is slidably connected with the inner wall of the mounting seat, the self-locking clamping tongue is clamped with the surface of the mounting column, the surface of the self-locking clamping tongue is provided with an elastic spring, and one end of the elastic spring is fixed with the inner wall of the mounting seat.

[0013] Compared with the prior art, the power intelligent controller has the advantages that: the power intelligent controller can be conveniently assembled on the surface of the plate body, the overall stability of the controller body during use can be ensured, the power intelligent controller can be conveniently disassembled for maintenance, the service life of the power intelligent controller is longer, dust can be prevented from entering the controller body through the wiring port, and damage to the components in the controller body can be avoided.

[0014] 1. The self-locking mounting mechanism is arranged, the first magnet is driven to move to the surface of the second magnet, the mounting column is preliminarily mounted in the mounting seat under the magnetic attraction of the first magnet and the second magnet, then, the self-locking clamping tongue is driven to move under the elastic force of the elastic spring, the self-locking clamping tongue is automatically clamped to the surface of the mounting column, the mounting column is prevented from being separated under the clamping effect of the elastic spring and the self-locking clamping tongue, the controller body can be stably mounted on the surface of the plate body, the controller body can be prevented from being separated from the surface of the plate body during use, the power intelligent controller is self-locked and mounted, the controller body can be conveniently assembled on the surface of the plate body, and the overall stability of the controller body during use can be ensured.

[0015] 2、By setting has overhauls maintenance mechanism, when the user needs to repair each part inside the controller body, the user pulls the door on the surface of the controller body, so that the door drives the connecting column away from the surface of the controller body, at this time, the connecting column drives the anti-off clamp away from the inside of the controller body, when the user pulls the door, the door drives the block to slide in the slot, under the joint action of the block and the slot, the door is guided, at this time, the block drives the elastic clamp away from the inside of the controller body, so that the door is taken off from the surface of the controller body, each part inside the controller body is repaired, the function of convenient repair of the power intelligent controller is realized, so that the power intelligent controller is convenient for the user to take off the door and repair each part inside the controller body, so that the power intelligent controller is more convenient for the user to operate;

[0016] 3、By setting has dustproof dustproof mechanism, the user pulls the dust screen on the surface of the controller body, so that the dust screen drives the guide sliding block to slide in the guide sliding slot, under the joint action of the guide sliding block and the guide sliding slot, the dust screen is guided, at this time, the guide sliding block drives the fixed clamping block away from the inside of the fixed clamping slot, so that the dust screen moves to one side of the wiring port, the surface of the wiring port is prevented from dust, the function of dustproof and dustproof of the power intelligent controller to the wiring port and the inside of the controller body is realized, so that the power intelligent controller can avoid dust entering the inside of the controller body through the wiring port when used, so that the phenomenon of damage of each part inside the controller body is avoided, so that the service life of the power intelligent controller is longer. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is main view cross section structure schematic diagram of the utility model;

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

[0020] Figure 4 It is the utility model's Figure 3 Dustproof dustproof mechanism's enlarged structure schematic diagram;

[0021] Figure 5 It is the utility model's Figure 3 Overhauls maintenance mechanism's enlarged structure schematic diagram;

[0022] Figure 6 It is the utility model's self-locking installation mechanism's enlarged structure schematic diagram.

[0023] As shown in the figure, 1 is a controller body; 101 is a blocking door; 102 is an electrical element; 103 is a plate body; 104 is a circuit board; 105 is a signal receiving module; 106 is a fixing groove; 107 is a signal transmission module; 108 is an analysis processing module; 109 is a switch module; 110 is a fixing block; 111 is a wiring port; 112 is a mounting column; 113 is a mounting seat; 2 is a dustproof dust blocking mechanism; 21 is a dust blocking net; 22 is a fixing clamping block; 23 is a guide sliding block; 24 is a fixing clamping groove; 25 is a guide sliding groove; 3 is a maintenance mechanism; 31 is a connecting column; 32 is an anti-dropping clamping piece; 33 is a maintenance part; 331 is an elastic clamping piece; 332 is a groove body; 333 is a block body; 4 is a self-locking mounting mechanism; 41 is a first magnet; 42 is a second magnet; 43 is a self-locking mounting group; 431 is a self-locking clamping tongue; 432 is a telescopic spring. DETAILED DESCRIPTION

[0024] 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", "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, can be 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.

[0025] The structure of the assembled power intelligent controller provided by the present application is as shown in Figure 1 and Figure 2As shown, including the controller body 1, the surface of the controller body 1 is provided with the door 101, the surface of the door 101 is mounted with the electrical element 102, one side of the controller body 1 is provided with the plate body 103, the inside of the controller body 1 is provided with the circuit board 104, the surface of both sides of the circuit board 104 is mounted with the fixed block 110, the inner wall of both sides of the controller body 1 is provided with the fixed slot 106, the fixed slot 106 and the surface of the fixed block 110 are slidably connected, the surface of the circuit board 104 is mounted with the signal receiving module 105, the surface of the circuit board 104 is mounted with the signal transmission module 107, the signal transmission module 107 and the signal receiving module 105 are connected, the surface of the circuit board 104 is mounted with the analysis processing module 108, the analysis processing module 108 and the signal transmission module 107 are connected, the surface of the circuit board 104 is mounted with the switch module 109, the switch module 109 and the analysis processing module 108 are connected, the surface of both sides of the controller body 1 is mounted with the wiring port 111, the surface of the plate body 103 is mounted with the mounting seat 113, the surface of the controller body 1 is mounted with the mounting column 112, one end of the mounting column 112 extends to the inside of the mounting seat 113.

[0026] Further, as shown in Figure 3 and Figure 4 The surface of the controller body 1 is provided with the dustproof mechanism 2, the inside of the dustproof mechanism 2 contains the dust screen 21, the fixed clamping block 22, the guide sliding block 23, the fixed clamping groove 24 and the guide sliding groove 25, the surface of the controller body 1 is provided with the dust screen 21 for the surface of the wiring port 111, the surface of the controller body 1 is provided with the guide sliding groove 25, the surface of the dust screen 21 is mounted with the guide sliding block 23, the guide sliding block 23 and the inner wall of the guide sliding groove 25 are slidably connected, the surface of the guide sliding block 23 is mounted with the fixed clamping block 22 for preventing the dust screen 21 from loosening, the inner wall of the controller body 1 is provided with the fixed clamping groove 24, the fixed clamping groove 24 and the surface of the fixed clamping block 22 are connected.

[0027] When using, the user inserts the wire into the inside of the wiring port 111, and connects the controller body 1 to the power supply, so that the controller body 1 can be normally used, when the wiring port 111 is used, the user pulls the dust screen 21 on the surface of the controller body 1, so that the dust screen 21 drives the guide sliding block 23 to slide in the inside of the guide sliding groove 25, and the dust screen 21 is guided under the joint action of the guide sliding block 23 and the guide sliding groove 25, at this time, the guide sliding block 23 drives the fixed clamping block 22 to move away from the inside of the fixed clamping groove 24, so that the dust screen 21 moves to one side of the wiring port 111, and the surface of the wiring port 111 is prevented from being dusty, so as to realize the dustproof function of the wiring port 111 and the inside of the controller body 1 of the power intelligent controller.

[0028] Further, as shown in Figure 3 and Figure 5 , the inner wall of the controller body 1 and the door 101 are provided with maintenance mechanisms 3, the inside of the maintenance mechanisms 3 contains connecting columns 31, anti-dropping clamps 32 and maintenance parts 33, the maintenance parts 33 are arranged on the inner wall of the controller body 1 and the door 101, the maintenance parts 33 are composed of the maintenance parts 33, groove bodies 332 and block bodies 333, the inner wall of the door 101 is installed with the connecting columns 31, the connecting columns 31 and the inner wall of the controller body 1 are mutually clamped and matched, the surface of the connecting columns 31 is installed with the anti-dropping clamps 32, the anti-dropping clamps 32 and the inner wall of the controller body 1 are mutually clamped and matched, the inner wall of the door 101 is installed with the block bodies 333, the inner wall of the controller body 1 is provided with the groove bodies 332, the surface of the groove bodies 332 and the block bodies 333 are mutually matched, the surface of the block bodies 333 is installed with elastic clamps 331 for preventing the door 101 from falling off, and the elastic clamps 331 and the inner wall of the controller body 1 are mutually clamped and matched.

[0029] In implementation, the door 101 drives the connecting columns 31 away from the surface of the controller body 1, at this time, the connecting columns 31 drive the anti-dropping clamps 32 away from the inside of the controller body 1, when the user pulls the door 101, the door 101 drives the block bodies 333 to slide in the groove bodies 332, the block bodies 333 and the groove bodies 332 jointly guide the door 101, at this time, the block bodies 333 drive the elastic clamps 331 away from the inside of the controller body 1, so as to take the door 101 off from the surface of the controller body 1, and the parts inside the controller body 1 are maintained and handled, so as to realize the function of convenient maintenance of the intelligent power controller.

[0030] Further, as shown in Figure 3 and Figure 6 , the surface of the mounting column 112 and the inner wall of the mounting seat 113 are provided with self-locking mounting mechanisms 4, the inside of the self-locking mounting mechanisms 4 contains first magnets 41, second magnets 42 and self-locking mounting groups 43, the self-locking mounting groups 43 are arranged on the surface of the mounting column 112 and the inner wall of the mounting seat 113, the self-locking mounting groups 43 are composed of self-locking clamps 431 and telescopic springs 432, the surface of the mounting column 112 is installed with the first magnets 41, the inner wall of the mounting seat 113 is installed with the second magnets 42, the surface of the second magnets 42 and the first magnets 41 are mutually magnetically attracted and matched, the inner wall of the mounting seat 113 is provided with the self-locking clamps 431, the self-locking clamps 431 and the inner wall of the mounting seat 113 are mutually matched, the self-locking clamps 431 and the surface of the mounting column 112 are mutually clamped and matched, the surface of the self-locking clamps 431 is installed with the telescopic springs 432, one end of the telescopic springs 432 is fixed with the inner wall of the mounting seat 113.

[0031] In the implementation, the mounting column 112 drives the first magnet 41 to move to contact the surface of the second magnet 42, and the mounting column 112 is preliminarily mounted in the mounting seat 113 under the magnetic attraction of the first magnet 41 and the second magnet 42. Then, the self-locking clamping tongue 431 is driven to move under the elastic force of the extension spring 432, so that the self-locking clamping tongue 431 is automatically clamped to the surface of the mounting column 112. The mounting column 112 is prevented from being detached under the clamping cooperation of the extension spring 432 and the self-locking clamping tongue 431, so that the controller body 1 can be stably mounted on the surface of the plate body 103, avoiding the phenomenon that the controller body 1 is detached from the surface of the plate body 103 during use, to realize the function of self-locking installation of the power intelligent controller.

[0032] Working principle: in use, first place the controller body 1 on one side of the plate body 103, so that the controller body 1 drives one end of the mounting column 112 to move to the inside of the mounting seat 113. At this time, the mounting column 112 drives the first magnet 41 to move to contact the surface of the second magnet 42, and the mounting column 112 is preliminarily mounted in the mounting seat 113 under the magnetic attraction of the first magnet 41 and the second magnet 42. Then, the self-locking clamping tongue 431 is driven to move under the elastic force of the extension spring 432, so that the self-locking clamping tongue 431 is automatically clamped to the surface of the mounting column 112. The mounting column 112 is prevented from being detached under the clamping cooperation of the extension spring 432 and the self-locking clamping tongue 431, so that the controller body 1 can be stably mounted on the surface of the plate body 103, avoiding the phenomenon that the controller body 1 is detached from the surface of the plate body 103 during use, to realize the function of self-locking installation of the power intelligent controller, so that the power intelligent controller can be conveniently assembled on the surface of the plate body 103 by the user in use, and the overall stability of the controller body 1 in use can be ensured.

[0033] Then, the signal is received under the action of the signal receiving module 105 and is delivered to the inside of the signal delivery module 107. After being analyzed and processed by the signal delivery module 107, the signal is transmitted to the inside of the analysis processing module 108. Then, the analysis processing module 108 controls the switch module 109 to open and close, to control the power on and off.

[0034] When the user needs to maintain the components inside the controller body 1, the user pulls the shutter 101 on the surface of the controller body 1, so that the shutter 101 drives the connecting column 31 away from the surface of the controller body 1, at this time, the connecting column 31 drives the anti-escape clamp 32 away from the inside of the controller body 1, when the user pulls the shutter 101, the shutter 101 drives the block 333 to slide in the groove 332, the block 333 and the groove 332 guide the shutter 101, at this time, the block 333 drives the elastic clamp 331 away from the inside of the controller body 1, so that the shutter 101 is removed from the surface of the controller body 1, and the components inside the controller body 1 are maintained, so that the power intelligent controller is convenient to maintain, and the user can conveniently remove the shutter 101 to maintain the components inside the controller body 1, so that the power intelligent controller is more convenient for the user to operate.

[0035] Then, the user inserts the wire into the wire port 111, connects the controller body 1, so that the controller body 1 can be normally used, when the wire port 111 is used, the user pulls the dust screen 21 on the surface of the controller body 1, so that the dust screen 21 drives the guide sliding block 23 to slide in the guide sliding groove 25, the guide sliding block 23 and the guide sliding groove 25 guide the dust screen 21, at this time, the guide sliding block 23 drives the fixed clamp block 22 away from the inside of the fixed clamp groove 24, so that the dust screen 21 moves to one side of the wire port 111, and the surface of the wire port 111 is prevented from being dusty, so that the power intelligent controller can prevent dust from entering the inside of the controller body 1 through the wire port 111, so that the service life of the power intelligent controller is longer, and the use of the power intelligent controller is finally completed.

[0036] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A power supply intelligent controller of assembled installation, comprising a controller body (1), characterized in that: The surface of the controller body (1) is provided with a shutter (101), the surface of the shutter (101) is installed with an electrical element (102), one side of the controller body (1) is provided with a plate body (103), the inside of the controller body (1) is provided with a circuit board (104), the surface of the two sides of the controller body (1) is installed with a wiring port (111), the surface of the plate body (103) is installed with a mounting seat (113), the surface of the controller body (1) is installed with a mounting column (112), one end of the mounting column (112) extends to the inside of the mounting seat (113), the surface of the controller body (1) is provided with a dustproof mechanism (2), the inside of the dustproof mechanism (2) contains a dust screen (21), a fixed clamping block (22), a guide sliding block (23), a fixed clamping groove (24) and a guide sliding groove (25), the inner wall of the controller body (1) and the shutter (101) is provided with a maintenance mechanism (3), the inside of the maintenance mechanism (3) contains a connecting column (31), an anti-dropping clamping piece (32) and a maintenance part (33), the surface of the mounting column (112) and the inner wall of the mounting seat (113) are provided with a self-locking mounting mechanism (4), the inside of the self-locking mounting mechanism (4) contains a first magnet (41), a second magnet (42) and a self-locking mounting group (43).

2. The pre-assembled, pre-wired power supply controller of claim 1, wherein: The surface of the two sides of the circuit board (104) is installed with a fixed block (110), the inner wall of the two sides of the controller body (1) is provided with a fixed groove (106), the surface of the fixed groove (106) and the fixed block (110) are slidably connected, the surface of the circuit board (104) is installed with a signal receiving module (105), the surface of the circuit board (104) is installed with a signal transmission module (107), the signal transmission module (107) and the signal receiving module (105) are connected, the surface of the circuit board (104) is installed with an analysis processing module (108), the analysis processing module (108) and the signal transmission module (107) are connected, the surface of the circuit board (104) is installed with a switch module (109), the switch module (109) and the analysis processing module (108) are connected.

3. The pre-assembled, plug-in power supply intelligent controller of claim 1, wherein: The surface of the controller body (1) is provided with a dust screen (21) for dustproofing the surface of the wiring port (111), the surface of the controller body (1) is provided with a guide sliding groove (25), the surface of the dust screen (21) is installed with a guide sliding block (23), the guide sliding block (23) and the inner wall of the guide sliding groove (25) are slidably connected.

4. The pre-assembled, plug-in power supply intelligent controller of claim 3, wherein: The surface of the guide sliding block (23) is installed with a fixed clamping block (22) for preventing the dust screen (21) from falling off, the inner wall of the controller body (1) is provided with a fixed clamping groove (24), the fixed clamping groove (24) and the surface of the fixed clamping block (22) are connected.

5. The pre-assembled, plug-in power supply intelligent controller of claim 1, wherein: The maintenance part (33) is arranged on the inner wall of the controller body (1) and the door (101), and is composed of the maintenance part (33), the groove (332) and the block (333). The inner wall of the door (101) is provided with the connecting column (31), which is matched with the inner wall of the controller body (1). The surface of the connecting column (31) is provided with the anti-escape clamping part (32), which is matched with the inner wall of the controller body (1).

6. The pre-assembled, plug-in power supply intelligent controller of claim 1, wherein: The inner wall of the door (101) is provided with the block (333), and the inner wall of the controller body (1) is provided with the groove (332), which is matched with the surface of the block (333). The surface of the block (333) is provided with the elastic clamping part (331) for preventing the door (101) from escaping, which is matched with the inner wall of the controller body (1).

7. The pre-assembled, plug-in power supply intelligent controller of claim 1, wherein: The self-locking mounting group (43) is arranged on the surface of the mounting column (112) and the inner wall of the mounting seat (113), and is composed of the self-locking clamping tongue (431) and the telescopic spring (432). The surface of the mounting column (112) is provided with the first magnet (41), and the inner wall of the mounting seat (113) is provided with the second magnet (42), which is matched with the surface of the first magnet (41).

8. The pre-assembled, plug-in power supply intelligent controller of claim 1, wherein: The inner wall of the mounting seat (113) is provided with the self-locking clamping tongue (431), which is matched with the inner wall of the mounting seat (113). The self-locking clamping tongue (431) is matched with the surface of the mounting column (112), and the surface of the self-locking clamping tongue (431) is provided with the telescopic spring (432), one end of which is fixed to the inner wall of the mounting seat (113).

Images