Anti-overloading fire pump

Abstract

The utility model relates to the field of fire pump devices, and particularly discloses an anti-overload fire pump which comprises a protective shell, a top cover and a pump motor. The protection shell is arranged outside the pump motor, a base is arranged at the bottom of the protection shell, a shaft body is arranged on the pump motor, the shaft body penetrates through the base and extends into the base, an impeller is arranged on the portion, located in the base, of the shaft body, a water inlet pipeline and a water outlet pipeline are arranged on the base, and a plurality of heat dissipation plates are arranged on the pump motor. A heat dissipation ring frame is arranged between the heat dissipation plates, heat dissipation grooves are formed between the heat dissipation ring frame and the heat dissipation plates, the top cover is arranged on the top of the pump motor, a fan frame is arranged on the top cover, a heat dissipation fan is arranged in the fan frame, an air inlet groove is formed in the protective shell, and a dustproof net is arranged on the air inlet groove. According to the anti-overloading fire pump, a heat dissipation channel is formed in the anti-overloading fire pump, and efficient heat dissipation of the fire pump under high-strength work is achieved.

Description

Technical Field

[0001] The utility model relates to the field of fire pump devices, in particular to an overload-proof fire pump. Background Art

[0002] As the name suggests, a fire pump is a pump used for fire fighting. Fire pumps are fully sealed, leak-free and corrosion-resistant. They are widely used in environmental protection, water treatment, fire fighting and other departments. They are used to pump various liquids. They are ideal pumps and fire fighting systems for creating leak-free, pollution-free civilized workshops and civilized factories. The selection basis of fire pumps should be based on five aspects: process flow, water supply and drainage requirements, etc.

[0003] The existing patent application number is: CN202320451881.3, and the patent name is: An anti-overload fire pump. The scheme discloses: the top of the fire pump casing is fixedly connected to the bottom of the motor, the output end of the motor extends to the interior of the fire pump casing and is fixedly connected to the surface of the impeller, the bottom of the fire pump casing is fixedly connected to the top of the mounting seat, the top of the fire pump casing is fixedly connected to the bottom of the protective cover, the protective cover is located outside the motor, and the surface of the motor is fixedly connected to the inner side of the spiral blade.

[0004] Although this solution uses a cooling fan to dissipate heat, this method dissipates heat when the fire pump is not working at a high intensity. Using a cooling fan for heat dissipation wastes electricity, the heat dissipation is far greater than the heat generation, the heat dissipation energy consumption ratio is low, and the spiral blades slow down the air circulation speed and reduce the heat dissipation capacity. Utility Model Content

[0005] The purpose of the utility model is to provide an overload-proof fire pump to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an overload-proof fire pump, comprising a protective shell, a top cover, and a pump motor; the protective shell is arranged outside the pump motor, a base is arranged on the bottom of the protective shell, a shaft is arranged on the pump motor, the shaft passes through the base and extends into the interior of the base, an impeller is arranged on the part of the shaft located inside the base, a water inlet pipe and a water outlet pipe are arranged on the base, a plurality of heat sinks are arranged on the pump motor, heat sink ring frames are arranged between the heat sinks, and heat sink grooves are arranged between the heat sink ring frames and the heat sinks, the top cover is arranged on the top of the pump motor, a fan frame is arranged on the top cover, a heat sink fan is arranged inside the fan frame, an air inlet groove is arranged on the protective shell, and a dustproof net is arranged on the air inlet groove.

[0007] Preferably, a frame cover is provided on the top of the fan frame, and an axis is provided between the frame cover and the fan frame, the frame cover and the fan frame can rotate based on the axis, and magnetically attractive magnets are provided on the frame cover and the fan frame, and the magnetic blocks connect the frame cover and the fan frame.

[0008] Preferably, the top cover is provided with a side fixing block, the side fixing block is provided with a screw hole, and the position of the side fixing block corresponds to the position of the heat sink.

[0009] Preferably, the heat sink is provided with a plate top hole, the side fixing block is provided with a bolt, the bolt passes through the screw hole and is screwed into the plate top hole, and the top cover and the heat sink are fixed by the bolt.

[0010] Preferably, a mounting plate is provided on the bottom of the protective shell, and a fixing hole is provided on the mounting plate.

[0011] Preferably, the heat sink is connected to the internal heat generating components of the pump motor, and the heat sink absorbs the internal heat of the pump motor and dissipates the heat through the heat sink and the heat sink ring frame.

[0012] Preferably, a device handle is provided on the top cover, and the device handle is connected to a protrusion provided on the side of the top cover.

[0013] Preferably, a bracket is provided on the bottom of the heat dissipation fan, and the bracket is connected and fixed inside the fan frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the heat of the pump motor is absorbed by the heat sink, and the heat sink is connected to the heat sink ring frame, so that good natural heat dissipation conditions are provided for the fire pump without enabling the heat sink fan in advance; when the fire pump is working at a high intensity, the heat sink fan can realize rapid circulation of air inside the pump motor, and a large amount of heat from the heat sink and the heat sink ring frame is taken away through the heat sink groove, which not only reduces the temperature of the pump motor, but also reduces the temperature of the heat sink and the heat sink ring frame, thereby realizing multi-effect heat dissipation; the heat sink motor is protected when it is not enabled by the frame cover, and the air intake groove realizes air circulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the pump motor structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0018] Numbers in the figure: 1. Protective shell; 11. Base; 12. Mounting plate; 13. Air inlet slot; 2. Top cover; 21. Fan frame; 22. Device handle; 23. Frame cover; 24. Side fixing block; 3. Pump motor; 31. Heat sink; 32. Heat sink ring frame; 33. Heat sink; 34. Plate top hole; 35. Impeller; 4. Heat sink fan; 41. Bracket; 5. Bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-3The utility model provides a technical solution: an overload-proof fire pump, comprising a protective shell 1, a top cover 2, and a pump motor 3; the protective shell 1 is arranged outside the pump motor 3, a base 11 is arranged on the bottom of the protective shell 1, a shaft is arranged on the pump motor 3, the shaft passes through the base 11 and extends into the base 11, an impeller 35 is arranged on the part of the shaft located inside the base 11, a water inlet pipe and a water outlet pipe are arranged on the base 11, a plurality of heat sinks 31 are arranged on the pump motor 3, heat sink ring frames 32 are arranged between the heat sinks 31, and heat sink grooves 33 are arranged between the heat sink ring frames 32 and the heat sinks 31, the top cover 2 is arranged on the top of the pump motor 3, a fan frame 21 is arranged on the top cover 2, a heat sink fan 4 is arranged inside the fan frame 21, an air inlet groove 13 is arranged on the protective shell 1, and a dustproof net is arranged on the air inlet groove 13.

[0023] Furthermore, a frame cover 23 is provided on the top of the fan frame 21, and an axis is provided between the frame cover 23 and the fan frame 21. The frame cover 23 and the fan frame 21 can rotate based on the axis. Magnetic blocks that attract each other are provided on the frame cover 23 and the fan frame 21, and the magnetic blocks connect the frame cover 23 and the fan frame 21.

[0024] Furthermore, a side fixing block 24 is provided on the top cover 2 , and a screw hole is provided on the side fixing block 24 . The position of the side fixing block 24 corresponds to the position of the heat dissipation plate 31 .

[0025] Furthermore, the heat sink 31 is provided with a plate top hole 34 , and the side fixing block 24 is provided with a bolt 5 , which passes through the screw hole and is screwed into the plate top hole 34 , and the top cover 2 and the heat sink 31 are fixed by the bolt 5 .

[0026] Furthermore, a mounting plate 12 is provided on the bottom of the protective shell 1 , and a fixing hole is provided on the mounting plate 12 .

[0027] Furthermore, the heat sink 31 is connected to the internal heat generating components of the pump motor 3 , and the heat sink 31 absorbs the internal heat of the pump motor 3 and dissipates the heat through the heat sink 33 and the heat sink ring frame 32 .

[0028] Furthermore, a device handle 22 is provided on the top cover 2 , and the device handle 22 is connected to a protrusion provided on the side of the top cover 2 .

[0029] Furthermore, a bracket 41 is provided on the bottom of the heat dissipation fan 4 , and the bracket 41 is connected and fixed inside the fan frame 21 .

[0030] Working principle: The heat inside the pump motor 3 is absorbed by the heat sink 31, and the heat sink ring frame 32 assists in heat dissipation. The large area of ​​the heat sink 31 increases the contact area with the air and improves the heat dissipation efficiency. When the pump motor 3 works at a high intensity, a large amount of heat is generated inside. When the heat sink 31 cannot meet the heat dissipation demand, open the frame cover 23 and start the heat dissipation fan 4. The heat dissipation fan 4 blows out the air inside the top cover 2 and enters the outside air through the air inlet groove 13. The outside air passes through the heat sink 33 and takes away the heat on the heat sink 31 and the heat sink ring frame 32. The device is installed by installing the fixing plate 12, and the device handle 22 facilitates the movement of the device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An overload-proof fire pump, characterized in that: The invention comprises a protective shell (1), a top cover (2), and a pump motor (3); the protective shell (1) is arranged outside the pump motor (3); a base (11) is arranged on the bottom of the protective shell (1); a shaft is arranged on the pump motor (3); the shaft passes through the base (11) and extends into the inside of the base (11); an impeller (35) is arranged on the part of the shaft located inside the base (11); a water inlet pipe and a water outlet pipe are arranged on the base (11); a plurality of heat sinks (31) are arranged on the pump motor (3); heat sink ring frames (32) are arranged between the heat sink plates (31); heat sink grooves (33) are arranged between the heat sink ring frames (32) and the heat sink plates (31); the top cover (2) is arranged on the top of the pump motor (3); a fan frame (21) is arranged on the top cover (2); a heat sink fan (4) is arranged inside the fan frame (21); and an air inlet groove (13) is arranged on the protective shell (1).

2. An overload-proof fire pump according to claim 1, characterized in that: A frame cover plate (23) is arranged on the top of the fan frame (21), a shaft is arranged between the frame cover plate (23) and the fan frame (21), and magnetic blocks that attract each other are arranged on the frame cover plate (23) and the fan frame (21).

3. The overload-proof fire pump according to claim 1, characterized in that: The top cover (2) is provided with a side fixing block (24), the side fixing block (24) is provided with a screw hole, and the position of the side fixing block (24) corresponds to the position of the heat dissipation plate (31).

4. An overload-proof fire pump according to claim 3, characterized in that: The heat dissipation plate (31) is provided with a plate top hole (34), and the side fixing block (24) is provided with a bolt (5), and the bolt (5) passes through the screw hole and is screwed into the plate top hole (34).

5. The overload-proof fire pump according to claim 1, characterized in that: A mounting plate (12) is provided on the bottom of the protective shell (1), and a fixing hole is provided on the mounting plate (12).

6. The overload-proof fire pump according to claim 1, characterized in that: The heat sink (31) is connected to the internal heat generating components of the pump motor (3).

7. The overload-proof fire pump according to claim 1, characterized in that: The top cover (2) is provided with a device handle (22), and the device handle (22) is connected to a protrusion provided on the side of the top cover (2).

8. The overload-proof fire pump according to claim 1, characterized in that: A bracket (41) is provided on the bottom of the heat dissipation fan (4), and the bracket (41) is connected and fixed inside the fan frame (21).

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