A quick fixing mechanism of a plug connector of a train heater

Abstract

The application discloses a kind of quick fixing mechanism of motor train heater connector, belong to motor train heater technical field, including heater body and lap block, the side surface of heater body is fixedly connected with mounting plate, and mounting plate is butted in the position required when working;Further include: ash removal component, the ash removal component is set on heater body, and ash removal component includes the knocking lever of movable setting on the surface of the heater body, and the surface of heater body is fixedly connected with guide rod.The quick fixing mechanism of motor train heater connector, in initial time, the end of clamping block is located in the inside of clamping groove, at this time, the protective plate is in the state of covering the socket, and then dust will not enter into the socket, guarantee the stability of connector docking and subsequent work of connector, and when needing to dock connector, pull handle, so that the end of clamping block moves out of clamping groove, at this time, the protective plate and connecting shaft are rotated and unfolded under the action of torsion spring, so that the socket is exposed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of motor train heating technology, in particular to a quick fixing mechanism for a motor train heater connector. BACKGROUND

[0002] The motor train heater is a heating device that can heat the air inside the train to improve the temperature inside the train car, which improves the comfort of passengers inside the train car and prevents frost on the train windows, thereby ensuring the normal operation of the train.

[0003] When the motor train heater is working, it needs to connect various connectors, such as round connectors and rectangular connectors. The connector is part of the control system and also serves as a power supply. In addition, there are terminals and crimping pieces that connect the internal circuit of the heater to the external wires.

[0004] When the device works for a long time, the connector may be damaged or loose due to the general fixing effect, which may fall off when the connector is in use, affecting the subsequent use of the motor train heater.

[0005] To overcome the above-mentioned defects, the prior art 1 (Chinese patent with application number CN201610474939.0 and application date 2015-05-06) is a heater connector fixing mechanism and fixing method. The connector is fixed firmly and installed conveniently. When the heater connector is inserted into the elastic buckle structure, the arc-shaped limiting arm is inserted into the card slot to limit the heater connector, ensuring the firmness of the heater connector.

[0006] The prior art 2 (Chinese patent with application number CN202323200002.9 and application date 2023-11-27) is a heater connector fixing mechanism. The weight of the heater itself presses the spring B and the lifting platform to complete the fixing of the heater itself, which is convenient for determining the installation position of the heater itself and prevents the heater from shaking or misplacing, etc. It is convenient for use of the heater itself.

[0007] The prior art 3 (Chinese patent with application number CN202011301673.2 and application date 2020-11-19) is a HVAC assembly PTC high-voltage connector fixing structure. It has a simple structure, is convenient to install and connect, can greatly improve production efficiency, has strong practicality and good application prospects.

[0008] In use, when the plug is not inserted into the interface, the interface is idle for a long time, and dust may accumulate inside the interface.

[0009] In view of the above problems, it is urgent to make innovative design on the basis of the original plug quick fixing mechanism. SUMMARY

[0010] The plug quick fixing mechanism of the motor train heater aims to solve the problem that the dust accumulated in the interface affects the subsequent use of the plug and causes unnecessary trouble to the work of the plug.

[0011] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a plug quick fixing mechanism of a motor train heater, comprising a heater body and a lap joint block, the side surface of the heater body is fixedly connected with a mounting plate, the mounting plate is docked at the required position during work, and the surface of the heater body is provided with a socket, which is docked with an external plug during work;

[0012] The lap joint block is fixedly connected to the outer wall of the heater body;

[0013] Further comprising:

[0014] A protection assembly is movably arranged on the outer wall of the heater body, and the protection assembly comprises a protection plate rotatably arranged on the surface of the heater body, and a fixed block is fixedly connected to the outer wall of the heater body;

[0015] A pressurizing fixing assembly is slidably arranged on the surface of the heater body, and the pressurizing fixing assembly comprises a limiting rod fixedly connected to the surface of the heater body, and a fixed plate is connected to the surface of the limiting rod;

[0016] A dust cleaning assembly is arranged on the heater body, and the dust cleaning assembly comprises a knocking rod movably arranged on the surface of the heater body, and a guide rod is fixedly connected to the surface of the heater body.

[0017] Preferably, the protection assembly further comprises a lap joint block fixedly connected to the outer wall of the heater body, a connecting shaft is rotatably arranged in the lap joint block, and the lap joint block is symmetrically distributed about the center of the socket.

[0018] Preferably, the surface of the connecting shaft is fixedly connected with the protective plate, and the lower surface of the protective plate is provided with a clamping groove, the inside of the fixed block is slidably provided with a clamping block corresponding to the clamping groove, and the end of the clamping block is inclined.

[0019] Preferably, the lower surface of the clamping block is fixedly connected with a handle, the left and right sides of the clamping block are both fixedly connected with a limiting block, the lower surface of the limiting block is fixedly connected with a first spring for elastic return, and the other side of the first spring is fixedly connected with the inner wall of the fixed block.

[0020] Preferably, the surface of the connecting shaft is fixedly connected with a torsion spring for elastic return, the other side of the torsion spring is fixedly connected with the inner wall of the overlapping block, and the torsion spring is initially in a compressed state.

[0021] Preferably, the pressurizing and fixing assembly further comprises a baffle fixedly connected to the end of the connecting shaft, and an upper connecting rod is attached to the outer wall of the baffle, and the lower surface of the upper connecting rod is fixedly connected with the upper surface of the fixed plate.

[0022] Preferably, the limiting rod is in an inverted "L" structure in plan view, the surface of the limiting rod is fixedly connected with a second spring for elastic return, the other side of the second spring is fixedly connected with the surface of the fixed plate, and the second spring is initially in a compressed state.

[0023] Preferably, the fixed plate is symmetrically distributed about the center of the socket, and the surface of the fixed plate is inclined.

[0024] Preferably, the ash removal assembly further comprises an outer connecting rod fixedly connected to the outer wall of the fixed plate, the surface of the outer connecting rod is convex, a second magnet is fixedly connected to the inner wall of the outer connecting rod, a connecting plate is fixedly connected to the end of the guide rod, and a breathable mesh is fixedly connected to the inner wall of the heater body.

[0025] Preferably, the surface of the guide rod is movably connected with a movable plate, a first magnet is fixedly connected to the outer wall of the movable plate, the magnetic poles on the surface of the first magnet are opposite to the magnetic poles on the surface of the second magnet, the second magnet is equally spaced on the inner wall of the outer connecting rod, a third spring for elastic return is fixedly connected to the surface of the movable plate, the other side of the third spring is fixedly connected with the inner wall of the connecting plate, and a through hole is formed in the surface of the movable plate.

[0026] Compared with the prior art, the beneficial effects of the motor car heater plug-in quick fixing mechanism are that: the motor car heater plug-in quick fixing mechanism adopts a novel structure design, the protective plate plays a dustproof and protective role, the plug-in is not touched by mistake during use, the fixing plate is provided, and the fixing plate is pressed against the plug-in under the action of the second spring, so that the fixing plate plays a fixing role, the plug-in will not fall off during work, and the dust removal assembly of the air permeable net is further provided, so that dust is not left on the air permeable net, and the overall heat dissipation effect of the device is optimized.

[0027] (1) The motor car heater plug-in quick fixing mechanism, in the initial state, the end of the clamping block is located in the inside of the clamping groove, at this time the protective plate is in the state of covering the socket, so that dust cannot enter the socket, ensuring the stability of the plug-in connection and subsequent work of the plug-in, when the plug-in needs to be connected, the handle is pulled to move the end of the clamping block out of the clamping groove, at this time the protective plate and the connecting shaft are rotated and unfolded under the action of the torsional spring, so that the socket is exposed, and the protective plate is unfolded, which plays a role of preventing mistaken touch and optimizes the protection effect;

[0028] Further, when the handle drives the clamping block to move downward, the clamping block drives the limiting block to slide in the inside of the fixed block, at this time the limiting block will press the first spring, after the handle and the clamping block are released, the limiting block returns to the original position under the action of the first spring, facilitating the next use, and the limiting block limits the movement distance of the clamping block, ensuring the stability;

[0029] Further, when the handle drives the clamping block to move downward, the clamping block drives the limiting block to slide in the inside of the fixed block, at this time the limiting block will press the first spring, after the handle and the clamping block are released, the limiting block returns to the original position under the action of the first spring, facilitating the next use, and the limiting block limits the movement distance of the clamping block, ensuring the stability;

[0030] (2) When the protective plate covers the socket, the baffle and the upper connecting rod are in contact, at this time the baffle presses against the upper connecting rod, the fixing plate is in the state of pressing the second spring, when the protective plate and the connecting shaft rotate, the baffle rotates synchronously, so that the upper connecting rod and the fixing plate are not pressed, at this time the fixing plate moves in the direction of the socket under the action of the limiting rod and the second spring, finally the fixing plates on the left and right sides will press against the plug-in under the action of the second spring, playing a role of fixing the plug-in, and the operation process is smooth and fast;

[0031] (3) the plug-in quick fixing mechanism of the motor train heater, when the inner fixing plate moves, the outer connecting rod moves synchronously, and when the outer connecting rod moves, the second magnet approaches the first magnet in turn, at this time, the movable plate does reciprocating linear motion in the vertical direction under the action of mutual magnetic force, guide rod, connecting plate and third spring, and then the movable plate drives the knocking rod to knock the outer wall of the air-permeable net, so that the dust falls, and then the air-permeable net can work normally, ensuring the normal heat dissipation effect of the heater body, and the through hole on the surface of the movable plate does not affect the exchange of internal and external air. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a schematic view of the heater body and the air-permeable net connection structure of the application.

[0033] Figure 2 It is a schematic view of the heater body and the movable plate connection structure of the application.

[0034] Figure 3 It is a schematic view of the enlarged structure at A in the application. Figure 2

[0035] Figure 4 It is a schematic view of the connecting shaft and the protection plate connection structure of the application.

[0036] Figure 5 It is a schematic view of the connecting shaft and the torsion spring connection structure of the application.

[0037] Figure 6 It is a schematic view of the protection plate in the unfolded state of the application.

[0038] Figure 7 It is a schematic view of the enlarged structure at B in the application. Figure 6

[0039] Figure 8 It is a schematic view of the movable plate and the first magnet connection structure of the application.

[0040] Figure 9 It is a schematic view of the outer connecting rod and the second magnet connection structure of the application.

[0041] In the figure: 1, heater body; 2, socket; 3, lap block; 4, connecting shaft; 5, protection plate; 6, clamping groove; 7, fixed block; 8, clamping block; 9, limiting block; 10, first spring; 11, torsion spring; 12, baffle; 13, limiting rod; 14, fixed plate; 15, upper connecting rod; 16, second spring; 17, air-permeable net; 18, guide rod; 19, connecting plate; 20, third spring; 21, movable plate; 22, knocking rod; 23, outer connecting rod; 24, first magnet; 25, second magnet; 26, handle. DETAILED DESCRIPTION

[0042] ​​Clearly, the embodiments described are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0043] Embodiment one: through the setting of the protection assembly, the interior of the socket 2 cannot enter dust, and the socket 2 can maintain a normal state during use, and the protection plate 5 can also be quickly unfolded. When the protection plate 5 is unfolded, the protection plate 5 can protect the plug-in part, as shown in Figures 1-5 .

[0044] The heater body 1 and the lap block 3 are included. The side surface of the heater body 1 is fixedly connected with the mounting plate. The mounting plate is butted at the required position during work, and the surface of the heater body 1 is provided with the socket 2. The socket 2 is butted with the external plug during work. The lap block 3 is fixedly connected to the outer wall of the heater body 1.

[0045] A plug-in part quick fixing mechanism of a motor train heater further includes:

[0046] The protection assembly is movably arranged on the outer wall of the heater body 1, and the protection assembly includes the protection plate 5 movably arranged on the surface of the heater body 1, and the outer wall of the heater body 1 is fixedly connected with the fixing block 7.

[0047] The pressurizing fixing assembly is movably arranged on the surface of the heater body 1, and the pressurizing fixing assembly includes the limiting rod 13 fixedly connected to the surface of the heater body 1, and the surface of the limiting rod 13 is sleeved with the fixing plate 14.

[0048] The dust cleaning assembly is arranged on the heater body 1, and the dust cleaning assembly includes the beating rod 22 movably arranged on the surface of the heater body 1, and the surface of the heater body 1 is fixedly connected with the guide rod 18.

[0049] The protection assembly further includes the lap block 3 fixedly connected to the outer wall of the heater body 1, the interior of the lap block 3 is movably arranged with the connecting shaft 4, the lap block 3 is symmetrically distributed about the center of the socket 2, the surface of the connecting shaft 4 is fixedly connected with the protection plate 5, the lower surface of the protection plate 5 is provided with the clamping groove 6, the interior of the fixing block 7 is movably arranged with the clamping block 8 corresponding to the clamping groove 6, and the end of the clamping block 8 is inclined.

[0050] The lower surface of the clamping block 8 is fixedly connected with a handle 26, and the left and right sides of the clamping block 8 are fixedly connected with limiting blocks 9, and the lower surface of the limiting block 9 is fixedly connected with a first spring 10 for elastic return, and the other side of the first spring 10 is fixedly connected with the inner wall of the fixed block 7.

[0051] The surface of the connecting shaft 4 is fixedly connected with a torsion spring 11 for elastic return, and the other side of the torsion spring 11 is fixedly connected with the inner wall of the lap block 3, and the torsion spring 11 is initially in a compressed state.

[0052] In the initial state, the end of the clamping block 8 is located inside the clamping groove 6, at this time the protection plate 5 is in a state of covering the socket 2, so that dust cannot enter the socket 2, ensuring the stability of the plug-in connection and subsequent work of the plug-in part, and when the plug-in part needs to be connected, the handle 26 is pulled to move the end of the clamping block 8 out of the clamping groove 6, at this time the protection plate 5 and the connecting shaft 4 are rotated and unfolded under the action of the torsion spring 11, so that the socket 2 is exposed, at this time the plug-in part can be normally connected, and when the protection plate 5 is unfolded, it also plays a role of preventing accidental touch, optimizing the protection effect, when it is needed to cover the socket 2 again, the protection plate 5 is rotated back, at this time the protection plate 5 drives the connecting shaft 4 to rotate inside the lap block 3, and the torsion spring 11 is stretched again, and when the end of the protection plate 5 contacts the clamping block 8, the clamping block 8 moves downward, at this time the clamping block 8 drives the limiting block 9 to slide inside the fixed block 7, at this time the limiting block 9 will press the first spring 10, and when the clamping block 8 and the clamping groove 6 are in the same vertical direction, the clamping block 8 enters the clamping groove 6 under the action of the limiting block 9 and the first spring 10, at this time the protection plate 5 is again in a state of covering the socket 2, so that dust cannot enter the socket 2.

[0053] Embodiment two: different from embodiment one, the fixed plate 14 is provided, so that the plug-in part is pressed when working, ensuring the stability of the plug-in part, as shown in Figure 6 and Figure 7 .

[0054] The fixed plate 14 is fixedly connected with the upper end of the connecting shaft 4, and the outer wall of the fixed plate 14 is fixedly connected with the upper end of the upper connecting rod 15.

[0055] The limiting rod 13 is in an inverted "L" structure in plan view, and the surface of the limiting rod 13 is fixedly connected with a second spring 16 for elastic return, and the other side of the second spring 16 is fixedly connected with the surface of the fixed plate 14, and the second spring 16 is initially in a compressed state, and the fixed plate 14 is symmetrically distributed about the center of the socket 2, and the surface of the fixed plate 14 is inclined.

[0056] When the protection plate 5 covers the socket 2, the baffle 12 and the upper connecting rod 15 are in contact, at this time, the baffle 12 pushes against the upper connecting rod 15, at this time, the fixed plate 14 and the limiting rod 13 cooperate, extruding the second spring 16, and when the protection plate 5 and the connecting shaft 4 rotate, the baffle 12 rotates synchronously, and then the upper connecting rod 15 and the fixed plate 14 cannot be extruded, at this time, the fixed plate 14 moves in the direction of the socket 2 under the action of the limiting rod 13 and the second spring 16, at this time, it can be directly connected to the plug-in connector, since the surface of the fixed plate 14 is inclined, the fixed plate 14 will be pushed by the plug-in connector and move in the direction of extruding the second spring 16, when the plug-in connector is normally connected to the inside of the socket 2, the left and right fixed plates 14 will always have a tendency to move in the direction of the socket 2 under the action of the second spring 16, that is, the fixed plate 14 pushes against the plug-in connector, which plays a role in fixing the plug-in connector, making the plug-in connector work more stably.

[0057] Example three: different from example two, the dust removal assembly is arranged, so that the surface of the air permeable net 17 does not remain dust, ensuring the normal work of the air permeable net 17, as shown in Figure 8 and Figure 9 As shown in

[0058] The dust removal assembly further comprises an outer connecting rod 23 fixedly connected to the outer wall of the fixed plate 14, the surface of the outer connecting rod 23 is convex, and the inner wall of the outer connecting rod 23 is fixedly connected with a second magnet 25, the distal end of the guide rod 18 is fixedly connected with a connecting plate 19, and the inner wall of the heater body 1 is fixedly connected with the air permeable net 17.

[0059] The surface of the guide rod 18 is movably connected with a movable plate 21, the outer wall of the movable plate 21 is fixedly connected with a first magnet 24, the magnetic poles on the surface of the first magnet 24 are opposite to the magnetic poles on the surface of the second magnet 25, the second magnet 25 is equidistantly distributed on the inner wall of the outer connecting rod 23, the surface of the movable plate 21 is fixedly connected with a third spring 20 which plays an elastic reset role, the other side of the third spring 20 is fixedly connected with the inner wall of the connecting plate 19, and the surface of the movable plate 21 is provided with a through hole.

[0060] When the fixed plate 14 on the inner side moves, the outer connecting rod 23 will move synchronously, and when the outer connecting rod 23 moves, the second magnet 25 will sequentially approach the first magnet 24, and when the second magnet 25 approaches the first magnet 24, the movable plate 21 moves away from the heater body 1 under the action of mutual magnetic force, at this time the movable plate 21 cooperates with the connecting plate 19 to press the third spring 20, and when the second magnet 25 is away from the first magnet 24, the movable plate 21 returns to the original position under the action of the third spring 20, that is, the movable plate 21 will make reciprocating linear motion in the vertical direction under the action of mutual magnetic force, guide rod 18, connecting plate 19 and third spring 20, and then the movable plate 21 will drive the knocking rod 22 to knock the outer wall of the air-permeable net 17 one after another, so that the dust falls, and then the air-permeable net 17 can work normally, which ensures the normal heat dissipation effect of the heater body 1, and the through hole on the surface of the movable plate 21 will not affect the exchange of air inside and outside.

[0061] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

Claims

1. A train heater connector quick fixing mechanism, comprising a heater body (1) and a lap block (3), the side of the heater body (1) is fixedly connected with a mounting plate, the mounting plate is butted in the required position in operation, and the surface of the heater body (1) is provided with a socket (2), the socket (2) is butted with an external plug in operation; The lap block (3) is fixedly connected to the outer wall of the heater body (1); characterized in that Further comprising: A protection assembly movably arranged on the outer wall of the heater body (1), and the protection assembly comprises a protection plate (5) rotatably arranged on the surface of the heater body (1), and a fixed block (7) fixedly connected to the outer wall of the heater body (1); A pressurizing fixing assembly slidably arranged on the surface of the heater body (1), and the pressurizing fixing assembly comprises a limiting rod (13) fixedly connected to the surface of the heater body (1), and a fixed plate (14) sleevedly connected to the surface of the limiting rod (13); An ash removal assembly arranged on the heater body (1), and the ash removal assembly comprises a knocking rod (22) movably arranged on the surface of the heater body (1), and a guide rod (18) fixedly connected to the surface of the heater body (1).

2. The quick fixing mechanism of the plug connector of the train heater according to claim 1, characterized in that: The protection assembly further comprises a lap block (3) fixedly connected to the outer wall of the heater body (1), and a connecting shaft (4) rotatably arranged in the lap block (3), and the lap block (3) is symmetrically distributed about the center of the socket (2).

3. The quick fixing mechanism of the plug connector of the train heater according to claim 2, characterized in that: The surface of the connecting shaft (4) is fixedly connected with the protection plate (5), the lower surface of the protection plate (5) is provided with a clamping groove (6), the inner portion of the fixed block (7) is slidably provided with a clamping block (8) corresponding to the clamping groove (6), and the end of the clamping block (8) is inclined.

4. The quick fixing mechanism of the plug connector of the train heater according to claim 3, characterized in that: The lower surface of the clamping block (8) is fixedly connected with a handle (26), the left and right sides of the clamping block (8) are fixedly connected with limiting blocks (9), the lower surface of the limiting block (9) is fixedly connected with a first spring (10) for elastic return, and the other side of the first spring (10) is fixedly connected with the inner wall of the fixed block (7).

5. The quick fixing mechanism of the plug of the train heater according to claim 2, characterized in that: The surface of the connecting shaft (4) is fixedly connected with a torsion spring (11) for elastic return, the other side of the torsion spring (11) is fixedly connected with the inner wall of the lap block (3), and the torsion spring (11) is initially in a compressed state.

6. The quick fixing mechanism of the plug of the train heater according to claim 2, characterized in that: The pressurizing fixing assembly further comprises a baffle (12) fixedly connected to the end of the connecting shaft (4), the outer wall of the baffle (12) is attached with an upper connecting rod (15), and the lower surface of the upper connecting rod (15) is fixedly connected with the upper surface of the fixed plate (14).

7. The quick fixing mechanism of the plug of the train heater according to claim 1, characterized in that: The top view of the limiting rod (13) is an inverted "L" structure, the surface of the limiting rod (13) is fixedly connected with a second spring (16) for elastic return, the other side of the second spring (16) is fixedly connected with the surface of the fixed plate (14), and the second spring (16) is initially in a compressed state.

8. The quick fixing mechanism of the plug of the train heater according to claim 1, characterized in that: The fixed plate (14) is symmetrically distributed about the center of the socket (2), and the surface of the fixed plate (14) is inclined.

9. The quick fixing mechanism of the plug of the train heater according to claim 1, characterized in that: The ash removal assembly further comprises an external connecting rod (23) fixedly connected to the outer wall of the fixed plate (14), wherein the surface of the external connecting rod (23) is convex, and the inner wall of the external connecting rod (23) is fixedly connected with a second magnet (25); the distal end of the guide rod (18) is fixedly connected with a connecting plate (19); and the inner wall of the heater body (1) is fixedly connected with a breathable mesh (17).

10. The quick fixing mechanism of the plug connector of the train heater according to claim 9, characterized in that: The surface of the guide rod (18) is movably connected with a movable plate (21), the outer wall of the movable plate (21) is fixedly connected with a first magnet (24), the magnetic pole of the surface of the first magnet (24) is opposite to that of the second magnet (25), the second magnet (25) is equidistantly distributed on the inner wall of the external connecting rod (23), the surface of the movable plate (21) is fixedly connected with a third spring (20) for elastic return, the other side of the third spring (20) is fixedly connected with the inner wall of the connecting plate (19), and the surface of the movable plate (21) is provided with a through hole.

Images