WO2023056602A1

WO2023056602A1 - Micro canned pump based on machine-pump integrated high heat resistance

Info

Publication number: WO2023056602A1
Application number: PCT/CN2021/122619
Authority: WO
Inventors: 陈平; 孙仙友; 孙丹清
Original assignee: 绿美泵业有限公司
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2023-04-13

Abstract

A micro canned pump based on machine-pump integrated high heat resistance, comprising a bottom plate (1); the left side of the upper end of the bottom plate (1) is provided with a support plate (3), and the support plate (3) is fixedly connected to a fixed outer housing (4); the right side of the upper end of the bottom plate (1) is provided with a pump body (7), and two sets of fixing apparatuses (2) are symmetrically arranged on the upper end face of the bottom plate (1); a fixed inner housing (5) is arranged inside the fixed outer housing (4), a transmission shaft (601) penetrates through the fixed inner housing (5) and the fixed outer housing (4) and is fixedly connected to the impeller (8), and the transmission shaft (601) has a transmission connection with the motor (6); the outer side of the pump body (7) is provided with a water intake pipe (701), and the upper side of the pump body (7) is provided with a water outlet pipe (702).

Description

A miniature canned pump based on the integration of machine and pump with high heat resistance

technical field

The utility model belongs to the technical field of canned pumps, and more specifically relates to a miniature canned pump based on machine-pump integration and high heat resistance.

Background technique

Canned pump is a kind of sealless pump. The pump and the driving motor are sealed in a pressure vessel filled with the pumped medium. The pressure vessel is only statically sealed, and a set of wires provides a rotating magnetic field and drives the rotor. The structure cancels the rotary shaft sealing device of the traditional centrifugal pump, so it can be completely leak-free. The heat exchange efficiency between the coolant in the canned pump and the outer wall of the casing is low, resulting in poor heat dissipation of the canned pump. If the canned pump cannot Effective heat dissipation and cooling, the internal coil is easy to trip or burn out.

Based on the above, the existing canned pump will vibrate during the working process, and it is easy to cause the canned pump to topple over in the soft ground, and the heat generated by the motor during the long-term work will cause the temperature to rise, which is likely to cause aging of the parts. result in reduced service life.

Therefore, in view of this, the existing structure and defects are studied and improved, and a miniature canned pump based on the integration of the machine and the pump with high heat resistance is provided, in order to achieve the purpose of having more practical value.

Utility model content

In order to solve the above technical problems, the utility model provides a miniature canned pump based on the integration of machine and pump with high heat resistance, so as to solve the problem that the existing canned pump will vibrate during the working process, and it is easy to cause the canned pump to be damaged in places with relatively soft geology. Dumping, and the heat generated by the motor during the long-term working process will cause the temperature to rise, which will easily cause the aging of the parts and reduce the service life.

The purpose and effect of the utility model, a miniature shielded pump based on the integration of machine and pump with high heat resistance, is achieved by the following specific technical means: a miniature shielded pump based on the integration of machine and pump with high heat resistance, including a bottom plate; The upper left side of the base plate is provided with a support plate, and the support plate is fixedly connected with the fixed outer box; the upper right side of the base plate is provided with a pump body, and two sets of fixing devices are arranged symmetrically on the upper surface of the base plate; the fixed outer box There is a fixed inner box inside, and the transmission shaft passes through the fixed inner box and the fixed outer box and is fixedly connected with the impeller. water pipe.

Further, the fixing device includes a T-shaped fixing block, a threaded rod, a nail removal plate and a fixing nail, the T-shaped fixing block is fixedly connected to the bottom plate, and two sets of threaded rods are arranged symmetrically, and the threaded rods pass through the T-shaped fixing block The top is rotatably connected with the nail remover, and the lower end of the fixing nail passes through the nail remover and the bottom plate in turn and goes deep into the ground.

Further, the upper end of the fixed outer box is provided with a connecting pipe, the lower end of the fixed outer box is provided with a through hole, the upper end of the connecting pipe is fixedly connected with the pump body, and the lower end of the connecting pipe is fixedly connected with the fixed outer box.

Further, through holes are evenly arranged on the inner surface of the support plate.

Further, an injection pipe is provided at the upper end of the fixed inner box, and the injection pipe passes upward through the fixed outer box and is nested inside the fixed outer box.

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, the device can be fixed by setting the lower ends of the fixing nails through the nail lifting plate and the bottom plate in turn and going deep into the ground, so as to prevent the canned pump from toppling over. After use, the fixing nails need to be pulled out from the ground During the time, the threaded rod can be rotated, and the threaded rod will drive the nail plate to move upwards, thereby giving an upward force to the fixing nail, and assisting the worker to pull out the fixing nail.

Through the uniform arrangement of through holes on the inner surface of the support plate, the heat exchange between the fixed outer box and the outside world can be promoted, so that the heat generated by the motor can be better discharged to the outside along the through holes inside the support plate, and the heat dissipation is enhanced. .

The upper end of the fixed outer box is connected with the pump body through the connecting pipe, and the lower end of the fixed outer box is provided with a through hole, so that the liquid inside the pump body will enter the cavity between the fixed outer box and the fixed inner box, and then the liquid passes through the fixed outer box The through hole at the lower end enters the pump body to form a circulation, and the circulation of the liquid can take away the heat generated by the motor, thereby increasing the heat resistance of the canned pump.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of the fixed inner box of the present invention.

Fig. 3 is a structural schematic diagram of the support plate of the present invention.

Fig. 4 is a structural schematic diagram of the fixing device of the present invention.

Fig. 5 is a structural schematic diagram of the connecting pipe of the present invention.

In the figure, the corresponding relationship between component names and drawing numbers is:

1. Bottom plate; 2. Fixing device; 201. T-shaped fixing block; 202. Threaded rod; 203. Nail removal plate; 204. Fixing nail; 3. Support plate; 301. Through hole; 4. Fixed outer box; 401. Connecting pipe; 402, through hole; 5, fixed inner box; 501, injection pipe; 6, motor; 601, transmission shaft; 7, pump body; 701, water inlet pipe; 702, water outlet pipe; 8, impeller.

Detailed ways

The implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

In the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" ", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integratively connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Example:

As shown in accompanying drawing 1 to accompanying drawing 5:

The utility model provides a miniature shielded pump based on machine-pump integration with high heat resistance, which includes a bottom plate 1; The pump body 7 is arranged on the right side, and two sets of fixing devices 2 are arranged symmetrically on the upper end surface of the bottom plate 1; And it is fixedly connected with the impeller 8, and the transmission shaft 601 is connected with the motor 6; the outside of the pump body 7 is provided with a water inlet pipe 701, and the upper side of the pump body 7 is provided with a water outlet pipe 702.

Wherein, fixing device 2 comprises T-shaped fixing block 201, threaded rod 202, nail removing plate 203 and fixing nail 204, and T-shaped fixing block 201 is fixedly connected with base plate 1, and threaded rod 202 is provided with two groups symmetrically, and threaded rod 202 Pass through the top of the T-shaped fixed block 201 and rotate with the nail remover 203. The lower end of the fixed nail 204 passes through the nail remover 203 and the bottom plate 1 in turn and goes deep into the ground. The shielded pump will vibrate during operation, causing the device to be unstable. , by setting the lower ends of the fixing nails 204 through the nail removing plate 203 and the bottom plate 1 in turn and going deep into the ground, the device can be fixed to prevent the canned pump from toppling over. After use, the fixing nails 204 need to be pulled out from the ground At the same time, because the fixing nails 204 go deep into the soil, it is difficult to be lifted out. At this time, the threaded rod 202 can be rotated, and the threaded rod 202 will drive the nail plate 203 to move upwards, thereby giving the fixing nails 204 an upward force, and assisting workers to move the fixing nails. 204 is pulled out.

Wherein, the upper end of the fixed outer box 4 is provided with a connecting pipe 401, the lower end of the fixed outer box 4 is provided with a through hole 402, the upper end of the connecting pipe 401 is fixedly connected with the pump body 7, and the lower end of the connecting pipe 401 is fixedly connected with the fixed outer box 4. In use When the shielded pump is working, the inside of the pump body 7 will be filled with liquid. Through the setting of the connecting pipe 401 on the upper end of the fixed outer box 4, the liquid inside the pump body 7 will enter the space between the fixed outer box 4 and the fixed inner box 5. Then the liquid enters the pump body 7 through the through hole 402 at the lower end of the fixed outer box 4, forming a liquid circulation, which can take away the heat generated by the motor 6, thereby increasing the heat resistance of the canned pump sex.

Wherein, the inner surface of the support plate 3 is evenly arranged with through holes 301. In use, through the setting of the through holes 301, the heat exchange between the fixed outer box 4 and the outside world can be promoted, so that the heat generated by the motor 6 can flow along the support plate 3. The internal through holes 301 are better discharged to the outside, which enhances the heat dissipation.

Wherein, the upper end of the fixed inner box 5 is provided with an injection pipe 501, and the injection pipe 501 passes through the fixed outer box 4 and is nested inside the fixed outer box 4. In use, the cooling medium can be poured into the fixed inner box through the injection pipe 501. Inside the box 5, the heat generated by the motor 6 during work will cause the temperature inside the fixed inner box 5 to rise. According to the physical principle, the thermal conductivity of the liquid is stronger than that of the air, so that the cooling medium can transfer the heat generated by the motor 6. The heat is transferred to the inside of the fixed outer box 4 faster, and then the heat is taken away by the liquid flowing inside the fixed outer box 4, which plays the role of cooling and heat dissipation, and avoids the problem that the temperature of the motor 6 is too high and thus affects the service life.

The specific usage and function of this embodiment:

In the utility model, the shielded pump will vibrate during operation, causing the device to be unstable. The lower ends of the fixing nails 204 pass through the nail plate 203 and the bottom plate 1 in turn and go deep into the ground, so that the device can be fixed to prevent shielding. When the pump is dumped, when the fixing nails 204 need to be lifted out of the ground after use, the fixing nails 204 are deep into the soil and it is difficult to be lifted out. At this time, the threaded rod 202 can be rotated, and the threaded rod 202 will drive the nail plate 203 Moving upwards, thereby giving an upward force to the fixing nails 204, assisting workers to pull out the fixing nails 204. During the working process of the shielded pump, the inside of the pump body 7 will be filled with liquid. By setting the connecting pipe 401 at the upper end of the outer box 4, The liquid inside the pump body 7 will enter the cavity between the fixed outer box 4 and the fixed inner box 5, and then the liquid will enter the pump body 7 through the through hole 402 at the lower end of the fixed outer box 4, forming a liquid circulation , the heat generated by the motor 6 during work will cause the temperature inside the fixed inner box 5 to rise, and the inside of the fixed inner box 5 is filled with cooling medium. According to the principle in physics that the thermal conductivity of liquid is stronger than that of air, so that The cooling medium can transfer the heat generated by the motor 6 to the inside of the fixed outer box 4 faster, and then take the heat away through the liquid flowing inside the fixed outer box 4, which plays a role in cooling and heat dissipation, and prevents the motor 6 from being overheated and thereby Problems affecting service life.

The embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principle and practical application of the invention, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for particular purposes.

Claims

A miniature canned pump based on machine-pump integration with high heat resistance, characterized in that: it includes a base plate (1); the upper left side of the base plate (1) is provided with a support plate (3), and the support plate (3) and The fixed outer box (4) is fixedly connected; the upper right side of the bottom plate (1) is provided with a pump body (7), and the upper end surface of the bottom plate (1) is symmetrically provided with two sets of fixing devices (2); the fixed outer box (4) There is a fixed inner box (5) inside, and the transmission shaft (601) passes through the fixed inner box (5) and the fixed outer box (4) and is fixedly connected with the impeller (8). The transmission shaft (601) and the motor (6) transmission connection; the outside of the pump body (7) is provided with a water inlet pipe (701), and the upper side of the pump body (7) is provided with a water outlet pipe (702).
According to claim 1, a miniature shielded pump based on the integration of machine and pump with high heat resistance is characterized in that: the fixing device (2) includes a T-shaped fixing block (201), a threaded rod (202), a nail The plate (203) and the fixing nail (204), the T-shaped fixing block (201) is fixedly connected with the bottom plate (1), and two sets of threaded rods (202) are arranged symmetrically, and the threaded rods (202) pass through the T-shaped fixing block (201) top is also rotatably connected with nail removing plate (203), and fixed nail (204) lower end passes nail removing plate (203) and base plate (1) successively and goes deep into the ground.
According to claim 1, a miniature shielded pump based on the integration of machine and pump with high heat resistance is characterized in that: the upper end of the fixed outer box (4) is provided with a connecting pipe (401), and the lower end of the fixed outer box (4) A through hole (402) is provided, the upper end of the connecting pipe (401) is fixedly connected with the pump body (7), and the lower end of the connecting pipe (401) is fixedly connected with the fixed outer box (4).
According to claim 1, a miniature canned pump based on the integration of a machine and a pump with high heat resistance is characterized in that: the inner surface of the support plate (3) is uniformly arranged with through holes (301).
According to claim 1, a miniature shielded pump based on the integration of machine and pump with high heat resistance is characterized in that: the upper end of the fixed inner box (5) is provided with an injection pipe (501), and the injection pipe (501) is upward Pass through the fixed outer box (4) and nest inside the fixed outer box (4).