Heat dissipation structure of water pump

Abstract

The utility model discloses a heat dissipation structure of a water pump, and relates to the field of water pump equipment. The heat dissipation structure of the water pump comprises a heat dissipation machine shell, a heat dissipation mechanism is fixedly installed on the back of the heat dissipation machine shell, a transmission assembly is arranged in the heat dissipation mechanism and comprises a motor shaft, a driving chain wheel, a transmission chain wheel and a small fan, the motor shaft is fixedly installed on a power output shaft of a motor in the heat dissipation machine shell, and the driving chain wheel is rotationally connected with the motor shaft; the transmission sprocket is in transmission connection with the driving sprocket, and the small fan is fixedly connected to the transmission sprocket. According to the heat dissipation structure of the water pump, the heat dissipation mechanism is arranged on the back portion of the heat dissipation machine shell, the heat dissipation mechanism uses power of the motor to enable the small fan connected to the motor shaft in a transmission mode to conduct continuous heat dissipation on the heat dissipation machine shell, the temperature of the motor is reduced, and potential safety hazards are eradicated; the overhigh maintenance cost caused by overhigh temperature of the motor is reduced, and the normal operation of the water pump is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump equipment technical field, concretely is a water pump's heat radiation structure. BACKGROUND

[0002] Water pump as the important component in national economy, its market scale continues to expand. Especially in China, as the global largest water pump production and consumption country, market scale accounts for about 20% of global market. Water pump is widely used, it is one of the most commonly used equipment in mechanical industry, and plays an important role to the pressure flow of liquid flow and chemical reaction. With the development of global economy and the acceleration of urbanization process, and the increasing demand of disaster relief equipment caused by more and more frequent natural disasters, water pump industry is facing unprecedented development opportunity.

[0003] Water pump is through the mechanical energy or other external energy of prime mover to liquid, makes liquid energy increase, mainly used to transport liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc. According to principle and power, the existing water pump has multiple types, and the most widely used is centrifugal water pump. The main working parts of centrifugal water pump are impeller, pump shell and bearing. When the motor starts, the impeller starts to rotate, so that the liquid is sucked into the pump shell, and the liquid is continuously pressed to the high place or the far place through the rotation of the impeller, so as to realize the delivery or pressure increase of the liquid.

[0004] But with the wide use of centrifugal water pump, some shortcomings are gradually found, because the power source of centrifugal water pump is generally motor, the motor generates heat when running, if the heat cannot be dissipated in time, the temperature in the motor will continue to rise, resulting in motor overheating, motor overheating can accelerate the aging of internal components of motor, shorten the service life of motor, and even cause the motor to burn out. Meanwhile, motor overheating can also affect the performance of water pump, in high temperature environment, the efficiency of motor will be reduced, so that the performance parameters such as flow and lift of water pump are reduced, which affects the normal work of water pump, and even causes more frequent maintenance and replacement of parts, thereby increasing the maintenance cost. Finally, motor overheating can also cause safety hazards, too high temperature can cause damage to the insulation material in the motor, causing short circuit, fire and other safety accidents. INVENTION CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a heat dissipation structure of water pump, which solves the problems of motor overheating, performance decline and possible safety hazards caused by poor heat dissipation of motor.

[0006] To achieve the above object, the utility model discloses a heat dissipation structure of water pump through the following technical schemes, including heat dissipation casing, the back of heat dissipation casing is fixedly installed with heat dissipation mechanism, the transmission assembly is arranged in heat dissipation mechanism, the transmission assembly includes motor shaft, driving sprocket, transmission sprocket and small fan, the motor shaft is fixedly installed on the power output shaft of motor in heat dissipation casing, the driving sprocket is rotatably connected with motor shaft, the transmission sprocket is transmission connection with driving sprocket, and the small fan is fixedly connected on transmission sprocket.

[0007] Preferably, the heat dissipation mechanism further comprises a housing and a frame, one side of the frame is fixedly connected to the back of the heat dissipation casing, and the housing is fixedly connected to the outside of the frame.

[0008] Preferably, the heat dissipation mechanism further comprises a foot and a fixed ring, the foot is fixedly connected to the outer surface of the housing, and the fixed ring is fixedly connected to the inside of the housing.

[0009] Preferably, the transmission assembly further comprises a main gear, a secondary gear and a gear fixing rod, the main gear is fixedly installed at the end of the motor shaft, the main gear is engaged with the secondary gear, the secondary gear is fixedly connected to the gear fixing rod, and the driving sprocket is fixedly connected to the gear fixing rod.

[0010] Preferably, the transmission assembly further comprises a chain and a fan transmission rod, the chain is installed between the driving sprocket and the transmission sprocket, the transmission sprocket is fixedly connected to the fan transmission rod, and the small fan is fixedly connected to the top of the fan transmission rod.

[0011] Preferably, one end of the gear fixing rod is rotatably connected to the inside of the frame, and the other end of the gear fixing rod is rotatably connected to the inside of the housing.

[0012] Preferably, the end of the fan transmission rod away from the fan is rotatably connected to the inside of the fixed ring.

[0013] The utility model discloses a heat dissipation structure of water pump, which has the following beneficial effects: the heat dissipation mechanism is arranged on the back of the heat dissipation casing, and the small fan connected to the motor shaft through transmission is used to continuously dissipate heat from the heat dissipation casing, thereby reducing the temperature of the motor, eliminating safety hazards, reducing the high maintenance cost caused by high temperature of the motor, and ensuring the normal operation of the water pump. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is a whole front structure schematic diagram of the present application.

[0016] Figure 2 It is a whole structure schematic diagram of the heat dissipation mechanism of the present application.

[0017] Figure 3 It is a detail structure schematic diagram of the transmission assembly of the present application.

[0018] Figure 4 It is a detail structure schematic diagram of the heat dissipation mechanism of the present application.

[0019] In the figure: 1, heat dissipation mechanism; 11, shell; 12, frame; 13, transmission assembly; 131, motor shaft; 132, main gear; 133, auxiliary gear; 134, gear fixing rod; 135, driving sprocket; 136, chain; 137, transmission sprocket; 138, fan transmission rod; 139, small fan; 14, foot block; 15, fixing ring; 2, heat dissipation shell. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0021] The heat dissipation structure of the water pump provided in the embodiments of the present application solves the problem of motor overheating, performance decline and possible safety hazards caused by poor heat dissipation of the motor.

[0022] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings of the specification and specific embodiments.

[0023] The embodiments of the present application disclose a heat dissipation structure of a water pump.

[0024] According to the drawings Figures 1-4As shown, including the heat dissipation shell 2, the back of the heat dissipation shell 2 is fixedly installed with the heat dissipation mechanism 1, the heat dissipation mechanism 1 is provided with a transmission assembly 13, the transmission assembly 13 includes a motor shaft 131, a driving sprocket 135, a transmission sprocket 137 and a small fan 139, the motor shaft 131 is fixedly installed on the power output shaft of the motor in the heat dissipation shell 2, the driving sprocket 135 is rotatably connected with the motor shaft 131, the transmission sprocket 137 is drivingly connected with the driving sprocket 135, and the small fan 139 is fixedly connected with the transmission sprocket 137. The heat inside the motor is quickly dissipated through the heat dissipation shell 2, and the small fan 139 is continuously rotated by the power of the motor shaft 131 to generate air flow to rapidly cool the surface of the heat dissipation shell 2 through the heat dissipation mechanism 1 fixedly installed on the back of the heat dissipation shell 2 and the transmission assembly 13 therein. The driving sprocket 135 and the transmission sprocket 137 ensure that the power can smoothly reach the small fan 139.

[0025] The heat dissipation mechanism 1 further includes a shell 11 and a frame 12, one side of the frame 12 is fixedly connected to the back of the heat dissipation shell 2, and the shell 11 is fixedly connected to the outside of the frame 12. The transmission assembly 13 is fixed by the shell 11 arranged on the back of the heat dissipation shell 2, and the frame 12 fixes the shell 11 on the heat dissipation shell 2.

[0026] The heat dissipation mechanism 1 further includes a foot 14 and a fixing ring 15, the foot 14 is fixedly connected to the outer surface of the shell 11, and the fixing ring 15 is fixedly connected to the inside of the shell 11. The foot 14 is arranged to allow the water pump to be placed on the ground without rolling.

[0027] The transmission assembly 13 further includes a main gear 132, a secondary gear 133 and a gear fixing rod 134, the main gear 132 is fixedly installed at the end of the motor shaft 131, the main gear 132 is engaged with the secondary gear 133, the secondary gear 133 is fixedly connected to the gear fixing rod 134, and the driving sprocket 135 is fixedly connected to the gear fixing rod 134. The rotation power of the motor shaft 131 can be better transmitted to the small fan 139 by arranging the main gear 132 and the secondary gear 133, and the meshing rotation of the gear is converted into the transmission of the sprocket.

[0028] The transmission assembly 13 further includes a chain 136 and a fan transmission rod 138, the chain 136 is installed between the driving sprocket 135 and the transmission sprocket 137, the transmission sprocket 137 is fixedly connected to the fan transmission rod 138, and the small fan 139 is fixedly connected to the top of the fan transmission rod 138. The chain 136 enables the driving sprocket 135 and the transmission sprocket 137 to be drivingly connected.

[0029] One end of the gear fixing rod 134 is rotatably connected inside the frame 12, and the other end of the gear fixing rod 134 is rotatably connected inside the shell 11, and the gear fixing rod 134 rotatably connects the secondary gear 133 and the driving sprocket 135 inside the shell 11.

[0030] The fan transmission rod 138 is rotatably connected inside the fixed ring 15 away from the fan, and the fan transmission rod 138 rotatably connects the small fan 139 and the transmission sprocket 137 inside the shell 11.

[0031] Working principle: when the water pump is used, the power of the motor is transmitted through a series of transmissions in the transmission assembly 13, specifically the motor shaft 131 transmits the rotating force to the primary gear 132 at one end, the primary gear 132 is engaged with the secondary gear 133, the engagement of the gears makes the gear fixing rod 134 rotate, this rotating force makes the driving sprocket 135 fixedly connected to the gear fixing rod 134 rotate, and because the driving sprocket 135 and the transmission sprocket 137 are driven by the chain 136, the transmission sprocket 137 rotates, thereby driving the fan transmission rod 138 to rotate, the fan transmission rod 138 thus drives the small fan 139 at one end to rotate, and finally eight small fans 139 continuously rotate and generate airflow, rapidly and continuously cooling the surface of the heat dissipation shell 2, thereby reducing the temperature of the motor, achieving the effect of water pump heat dissipation, eliminating safety hazards, reducing the high maintenance cost caused by high temperature of the motor, and ensuring the normal operation of the water pump.

[0032] In summary, the above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat dissipating structure of a water pump comprising a heat dissipating casing (2), characterized by, The back of the heat dissipation shell (2) is fixedly installed with a heat dissipation mechanism (1), the heat dissipation mechanism (1) is provided with a transmission assembly (13), the transmission assembly (13) comprises a motor shaft (131), a driving sprocket (135), a transmission sprocket (137) and a small fan (139); The motor shaft (131) is fixedly installed on the power output shaft of the motor in the heat dissipation shell (2), the driving sprocket (135) is rotatably connected with the motor shaft (131), the transmission sprocket (137) is in transmission connection with the driving sprocket (135), and the small fan (139) is fixedly connected on the transmission sprocket (137).

2. The heat dissipating structure of a water pump according to claim 1, wherein: The heat dissipation mechanism (1) further comprises an outer shell (11) and a frame (12); One side of the frame (12) is fixedly connected to the back of the heat dissipation shell (2), and the outer shell (11) is fixedly connected to the outside of the frame (12).

3. The heat dissipating structure of a water pump according to claim 2, wherein: The heat dissipation mechanism (1) further comprises a foot stop (14) and a fixed ring (15); The foot stop (14) is fixedly connected to the outer surface of the outer shell (11), and the fixed ring (15) is fixedly connected to the inside of the outer shell (11).

4. The heat dissipating structure of a water pump according to claim 3, wherein: The transmission assembly (13) further comprises a main gear (132), an auxiliary gear (133) and a gear fixing rod (134); The main gear (132) is fixedly installed at the end of the motor shaft (131), the main gear (132) is in meshing connection with the auxiliary gear (133), the auxiliary gear (133) is fixedly connected to the gear fixing rod (134), and the driving sprocket (135) is fixedly connected to the gear fixing rod (134).

5. The heat dissipating structure of a water pump according to claim 4, wherein: The transmission assembly (13) further comprises a chain (136) and a fan transmission rod (138); The chain (136) is installed between the driving sprocket (135) and the transmission sprocket (137), the transmission sprocket (137) is fixedly connected to the fan transmission rod (138), and the small fan (139) is fixedly connected to the top of the fan transmission rod (138).

6. The heat dissipating structure of a water pump according to claim 5, wherein: One end of the gear fixing rod (134) is rotatably connected to the inside of the frame (12), and the other end of the gear fixing rod (134) is rotatably connected to the inside of the outer shell (11).

7. The heat dissipating structure of a water pump according to claim 6, wherein: The end of the fan transmission rod (138) away from the fan is rotatably connected to the inside of the fixed ring (15).

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