Fire-fighting motor with good waterproof performance and convenient replacement and disassembly

Abstract

The utility model discloses a fire-fighting motor with good waterproof performance and convenient replacement and disassembly, which relates to the technical field of fire-fighting motors and comprises a motor, the control end of the motor is provided with a junction box, and one end of the motor is connected with a water pump. According to the fire-fighting motor, the junction box and the protection cover are matched with the first rubber ring, the second rubber ring and the positioning groove through the fixing screws, waterproof protection of the protection cover on the interior of the junction box can be facilitated, the sealing performance of the protection cover is improved through matching of the first rubber ring and the protection cover, and the waterproof effect is achieved; and through the cooperation of the water pump, the connector, the limiting hole, the adjusting block, the torsional spring and the limiting rod, the motor body and the water pump connector can be quickly disassembled and assembled conveniently, so that the motor body and the water pump can be disassembled and maintained conveniently, the maintenance difficulty is reduced, and the troubleshooting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of fire motors, in particular to a fire motor with good waterproof performance and convenient for replacement and disassembly. Background Art

[0002] A fire motor is a driving motor applied to a fire pump. The fire pump is often used in fire rescue activities. The motor of this pump needs to have good waterproof performance to prevent its failure in fire rescue activities from affecting the progress of rescue operations. For example, the Chinese patent discloses a fire pump with motor protection (publication number CN219888358U). Although this fire pump can facilitate heat dissipation and prevent blockage, in actual application, it is difficult to disassemble the pump body and the motor main body. Therefore, when the fire pump fails, it is difficult to quickly troubleshoot and perform maintenance, which affects the use and maintenance efficiency of the fire pump. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a fire motor with good waterproof performance and convenient for replacement and disassembly, and solves the problems put forward in the above background art.

[0004] To achieve the above purposes, the utility model is realized through the following technical solutions: A fire motor with good waterproof performance and convenient for replacement and disassembly, including a motor, a junction box is arranged at the control end of the motor, and a water pump is connected to one end of the motor;

[0005] The motor includes a motor body, a connection disk is connected to one end of the motor body, a connection shaft is connected to the inner side wall of the connection disk, two limit blocks are annularly connected to the outer surface of the connection shaft, and two fixing blocks are annularly connected to the end face of the connection disk.

[0006] As a further technical solution of the utility model, a protection cover is connected to the top surface of the junction box, four fixing screws penetrate through the bottom end of the protection cover, screw holes are correspondingly opened on the top surface of the junction box and the four fixing screws, and a first rubber ring is arranged on the inner side wall of the junction box.

[0007] As a further technical solution of the utility model, a connection head is arranged at one end of the water pump, four insertion blocks are annularly connected to the outer surface of one end of the connection head, and slots are correspondingly opened on the inner side wall of the connection disk at the positions corresponding to the sliding paths of the four insertion blocks.

[0008] As a further technical solution of the utility model, a limit rod and a rotating shaft are connected to the top surface of the fixing block, two positioning sleeves are arranged on the outer surface of the limit rod, the bottom end of the limit rod penetrates through the outer surfaces of the fixing block and the connection disk, and an adjusting block is connected to the outer surface of the rotating shaft.

[0009] As a further technical solution of the present utility model, a torsion spring is connected to the outer surface of the rotating shaft and located at the bottom surface of the adjusting block. A clamping groove is correspondingly formed on the outer surface of the adjusting block and the positioning sleeve, and a limiting hole is correspondingly formed on the outer surface of one end of the connecting head and the limiting rod.

[0010] As a further technical solution of the present utility model, a second rubber ring is connected to the inner side wall of the first rubber ring. A plurality of positioning grooves are correspondingly formed on the top surface of the second rubber ring and the protective cover. Both the first rubber ring and the second rubber ring are made of waterproof rubber material. The outer diameter size of the second rubber ring is adapted to the inner diameter size of the protective cover, and the internal thread of the screw hole is adapted to the external thread of the fixing screw.

[0011] As a further technical solution of the present utility model, the inner diameter size of the connecting head is adapted to the sliding path of the connecting shaft and the limiting block. The inner diameter size of the connecting disc is adapted to the outer diameter size of the connecting head. The inner diameter size of the slot is adapted to the sliding path of the insertion block. The inner diameter size of the limiting hole is adapted to the outer diameter size of the limiting rod. The inner diameter size of the positioning sleeve is adapted to the inner diameter size of the clamping groove.

[0012] The present utility model provides a fire-fighting motor with good waterproof performance and convenient replacement and disassembly. Compared with the prior art, it has the following beneficial effects:

[0013] 1. For the fire-fighting motor with good waterproof performance and convenient replacement and disassembly in this design, through the cooperation between the junction box, the protective cover, the fixing screws, the first rubber ring, the second rubber ring and the positioning grooves, it is possible to conveniently protect the inside of the junction box from water by the protective cover, and through the cooperation between the first rubber ring and the protective cover, the sealing performance of the protective cover is improved to achieve the waterproof effect.

[0014] 2. For the fire-fighting motor with good waterproof performance and convenient replacement and disassembly in this design, through the cooperation between the water pump, the connecting head, the limiting hole, the adjusting block, the torsion spring and the limiting rod, it is possible to conveniently disassemble and assemble the motor body and the water pump connecting head quickly, so as to facilitate the disassembly, maintenance and repair of the motor body and the water pump, reduce the maintenance difficulty and improve the efficiency of troubleshooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a fire-fighting motor with good waterproof performance and convenient replacement and disassembly;

[0016] Figure 2 It is a front view of a fire-fighting motor with good waterproof performance and convenient replacement and disassembly;

[0017] Figure 3 It is an exploded structural schematic diagram of a fire-fighting motor with good waterproof performance and convenient replacement and disassembly;

[0018] Figure 4For a fire-fighting motor with good waterproof performance that is convenient for replacement and disassembly Figure 3 An enlarged view of A in

[0019] Figure 5 For a fire-fighting motor with good waterproof performance that is convenient for replacement and disassembly Figure 3 An enlarged view of B in

[0020] In the figure: 1. Motor; 11. Motor body; 12. Connection plate; 13. Connection shaft; 14. Limit block; 15. Slot; 16. Fixed block; 17. Limit rod; 18. Rotating shaft; 19. Adjusting block; 101. Positioning sleeve; 102. Engaging groove; 103. Torsion spring; 2. Junction box; 21. Protective cover; 22. Fixed screw; 23. Screw hole; 24. First rubber ring; 25. Second rubber ring; 26. Positioning groove; 3. Water pump; 31. Connector; 32. Insert block; 33. Limit hole. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution for a fire-fighting motor with good waterproof performance that is convenient for replacement and disassembly: including a motor 1, a junction box 2 is provided at the control end of the motor 1, one end of the motor 1 is connected to a water pump 3, the motor 1 includes a motor body 11, one end of the motor body 11 is connected to a connection plate 12, the inner side wall of the connection plate 12 is connected to a connection shaft 13, two limit blocks 14 are annularly connected to the outer surface of the connection shaft 13, and two fixed blocks 16 are annularly connected to the end face of the connection plate 12.

[0023] As Figures 2-5As shown in the figure, a protective cover 21 is connected to the top surface of the junction box 2. Four fixing screws 22 penetrate and connect to the bottom end of the protective cover 21. The top surface of the junction box 2 and the four fixing screws 22 are respectively provided with screw holes 23. A first rubber ring 24 is arranged on the inner side wall of the junction box 2. A second rubber ring 25 is connected to the inner side wall of the first rubber ring 24. Multiple positioning grooves 26 are provided on the top surface of the second rubber ring 25 corresponding to the protective cover 21. Both the first rubber ring 24 and the second rubber ring 25 are made of waterproof rubber material. The outer diameter of the second rubber ring 25 is adapted to the inner diameter of the protective cover 21, and the internal thread of the screw hole 23 is adapted to the external thread of the fixing screw 22. It should be noted that the protective cover 21 can protect the circuit safety inside the junction box 2. Under the double protection of the first rubber ring 24 and the second rubber ring 25, the waterproof performance of the junction box 2 can be guaranteed, and under the action of the first rubber ring 24 and the protective cover 21, the closure of the protective cover 21 can be made tighter.

[0024] As Figures 3-4 shown, one end of the water pump 3 is provided with a connector 31. Four insertion blocks 32 are annularly connected to the outer surface of one end of the connector 31. Slots 15 are respectively provided on the inner side wall of the connection disk 12 corresponding to the sliding paths of the four insertion blocks 32. A limiting rod 17 and a rotating shaft 18 are connected to the top surface of the fixing block 16. Two positioning sleeves 101 are arranged on the outer surface of the limiting rod 17. The bottom end of the limiting rod 17 penetrates through the outer surfaces of the fixing block 16 and the connection disk 12. An adjusting block 19 is connected to the outer surface of the rotating shaft 18. A torsion spring 103 is connected to the outer surface of the rotating shaft 18 and located at the bottom surface of the adjusting block 19. Engaging grooves 102 are respectively provided on the outer surface of the adjusting block 19 corresponding to the positioning sleeves 101. A limiting hole 33 is provided on the outer surface of one end of the connector 31 corresponding to the limiting rod 17. The inner diameter of the connector 31 is adapted to the sliding paths of the connecting shaft 13 and the limiting block 14. The inner diameter of the connection disk 12 is adapted to the outer diameter of the connector 31. The inner diameter of the slot 15 is adapted to the sliding paths of the insertion blocks 32. The inner diameter of the limiting hole 33 is adapted to the outer diameter of the limiting rod 17. The inner diameter of the positioning sleeve 101 is adapted to the inner diameter of the engaging groove 102. It should be noted that the water pump 3 is connected to the motor body 11 through the connector 31 to realize the driving function. The insertion of the two limiting rods 17 into the limiting holes 33 can facilitate the quick disassembly and assembly of the connector 31 and the connection disk 12, so as to facilitate the quick combination disassembly between the motor 1 and the water pump 3 and realize the separate maintenance and repair of the two components.

[0025] The working principle of the present utility model is as follows: Cover the protective cover 21 on the top of the junction box 2 and screw the four fixing screws 22 into the screw holes 23. As the protective cover 21 is installed, the first rubber ring 24 is squeezed to reduce the gap at the connection between the protective cover 21 and the junction box 2, and the second rubber ring 25 is attached to the inner side wall of the protective cover 21, thereby achieving a sealing effect and preventing water from entering the junction box 2;

[0026] Rotate the two adjusting blocks 19 along the outer surface of the rotating shaft 18 to squeeze the torsion spring 103, so that the engaging groove 102 at one end of the adjusting block 19 is separated from the positioning sleeve 101 on the upper part of the limiting rod 17. Then, slide the limiting rod 17 upward along the fixed block 16 to separate the limiting rod 17 from the limiting hole 33 on the outer surface of the connecting head 31. Then, release the adjusting block 19, and the torsion spring 103 drives the adjusting block 19 to reset, so that the engaging groove 102 is engaged with the positioning sleeve 101 on the lower part of the limiting rod 17. Then, separate the water pump 3 and the connecting head 31 from the connecting disk 12, so that the inserting block 32 slides out along the inserting slot 15, and the disassembly of the motor body 11 and the water pump 3 can be realized.

[0027] The above is only the preferred implementation mode of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A fire-fighting motor with good waterproof performance and easy replacement and disassembly, characterized in that: It comprises a motor (1); a control end of the motor (1) is provided with a junction box (2); one end of the motor (1) is connected to a water pump (3); The motor (1) comprises a motor body (11), one end of the motor body (11) is connected to a connecting disk (12), the inner side wall of the connecting disk (12) is connected to a connecting shaft (13), the outer surface of the connecting shaft (13) is connected to two limit blocks (14) in an annular shape, and the end surface of the connecting disk (12) is connected to two fixing blocks (16) in an annular shape.

2. A fire-fighting motor with good waterproof performance and easy replacement and disassembly according to claim 1, characterized in that: The top surface of the junction box (2) is connected to a protective cover (21), the bottom end of the protective cover (21) is penetrated and connected with four fixing screws (22), the top surface of the junction box (2) and the four fixing screws (22) are respectively provided with screw holes (23), and the inner side wall of the junction box (2) is provided with a first rubber ring (24).

3. A fire-fighting motor with good waterproof performance and easy replacement and disassembly according to claim 1, characterized in that: A connector (31) is provided at one end of the water pump (3), and an outer surface of one end of the connector (31) is annularly connected to four plug blocks (32), and slots (15) are provided at positions corresponding to the inner side wall of the connection disk (12) and the sliding paths of the four plug blocks (32).

4. A fire-fighting motor with good waterproof performance and easy replacement and disassembly according to claim 3, characterized in that: The top surface of the fixed block (16) is connected to a limit rod (17) and a rotating shaft (18); the outer surface of the limit rod (17) is provided with two positioning sleeves (101); the bottom end of the limit rod (17) passes through the outer surfaces of the fixed block (16) and the connecting plate (12); and the outer surface of the rotating shaft (18) is connected to an adjusting block (19).

5. A fire-fighting motor with good waterproof performance and easy replacement and disassembly according to claim 4, characterized in that: A torsion spring (103) is connected to the outer surface of the rotating shaft (18) and the bottom surface of the adjusting block (19); a locking groove (102) is formed on the outer surface of the adjusting block (19) and the positioning sleeve (101); and a limiting hole (33) is formed on the outer surface of one end of the connecting head (31) and the limiting rod (17) respectively.

6. A fire-fighting motor with good waterproof performance and easy replacement and disassembly according to claim 2, characterized in that: The inner wall of the first rubber ring (24) is connected to the second rubber ring (25), and the top surface of the second rubber ring (25) is provided with a plurality of positioning grooves (26) corresponding to the protective cover (21). The first rubber ring (24) and the second rubber ring (25) are both made of water-repellent rubber material, and the outer diameter of the second rubber ring (25) is matched with the inner diameter of the protective cover (21), and the inner thread of the screw hole (23) is matched with the outer thread of the fixing screw (22).

7. A fire-fighting motor with good waterproof performance and easy replacement and disassembly according to claim 5, characterized in that: The inner diameter of the connecting head (31) is matched with the sliding path of the connecting shaft (13) and the limiting block (14); the inner diameter of the connecting plate (12) is matched with the outer diameter of the connecting head (31); the inner diameter of the slot (15) is matched with the sliding path of the insert block (32); the inner diameter of the limiting hole (33) is matched with the outer diameter of the limiting rod (17); and the inner diameter of the positioning sleeve (101) is matched with the inner diameter of the engaging groove (102).

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