CN219605567U

CN219605567U - Cooling structure of screw vacuum pump

Info

Publication number: CN219605567U
Application number: CN202320224092.6U
Authority: CN
Inventors: 樊挺杰; 樊忠; 沙宝明; 沈沛
Original assignee: Nantong Longying Vacuum Technology Co ltd
Current assignee: Nantong Longying Vacuum Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-08-29
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a cooling structure of a screw vacuum pump, which relates to the technical field of screw vacuum pumps and comprises a pump body and a jacket detachably arranged on the outer side of the pump body; the jacket comprises a first cohesion part and a second cohesion part; the first cohesion part and the second cohesion part are respectively provided with a mounting plate; at least one first cooling pipe is arranged in the first cohesion part; at least one second cooling pipe is arranged in the second cohesion part; the end parts of the first cooling pipe and the second cooling pipe extend out of the mounting plate; one end of the first cooling pipe extending out of the first cohesion part is connected with one end of the second cooling pipe extending out of the second cohesion part; the inlet end of the pump body is provided with an air cooling fin, and the outlet end of the pump body is provided with a jacket; air cooling is adopted at the inlet end of the pump body, and water cooling is adopted at the outlet end of the pump body, so that the cooling balance of the pump body is ensured; the first cohesion part and the second cohesion part, the first cooling pipe and the second cooling pipe are all detachably connected, so that the disassembly and the installation are convenient.

Description

Cooling structure of screw vacuum pump

Technical Field

The utility model relates to the technical field of screw vacuum pumps, in particular to a cooling structure of a screw vacuum pump.

Background

The screw vacuum pump has a complex structure and has high processing requirements for each part. The difficulty of processing, assembling and maintaining is high, the existing cooling structure is usually cooled by jacket water, and after long-time use, the cooling effect is poor due to the blockage of a cooling pipe; the existing jacket is inconvenient to install, inconvenient to disassemble, unbalanced in cooling and difficult to maintain.

Disclosure of Invention

The main technical problems to be solved by the utility model are as follows: a cooling structure of a screw vacuum pump is provided, which can solve the above-mentioned problems of the background art.

The following technical scheme is adopted to solve the main technical problems:

the cooling structure of the screw vacuum pump comprises a pump body and a jacket detachably arranged on the outer side of the pump body; the jacket comprises a first cohesion part and a second cohesion part which are detachably arranged; mounting plates extending outwards are arranged on the first cohesion part and the second cohesion part; at least one first cooling pipe is arranged in the first cohesion part; at least one second cooling pipe is arranged in the second cohesion part; the end parts of the first cooling pipe and the second cooling pipe extend out of the mounting plate; one end of the first cooling pipe extending out of the first cohesion part is detachably connected with one end of the second cooling pipe extending out of the second cohesion part.

Preferably, one ends of the first cooling pipe and the second cooling pipe are connected through a pipe connector; the pipe connector comprises a U-shaped head and a connecting pipe.

Preferably, the connection line of the first cooling pipe and the second cooling pipe after projection is perpendicular to the mounting surface of the first cohesion part or forms an included angle with a certain preset angle.

Preferably, the first cooling pipe and the second cooling pipe are two; the two first cooling pipes and the two second cooling pipes are correspondingly connected or diagonally crossed.

Preferably, the first cooling pipe and the second cooling pipe are multiple; the first cooling pipes and the second cooling pipes are connected in one-to-one correspondence or in two-to-one diagonal cross connection.

Preferably, inner walls of the first cohesion part and the second cohesion part are respectively provided with an inner cooling pipe in a continuous S-shaped curve.

Preferably, the water inlet of the inner cooling pipe and one end of the first cooling pipe are connected to a cooling water inlet header pipe; and the water outlet of the inner cooling pipe and one end of the second cooling pipe are connected to the water outlet main pipe.

Preferably, the jacket is close to the outlet end of the pump body; an air cooling fin is arranged on the outer side of the inlet end of the pump body.

Compared with the prior art, the utility model has the following advantages when applied to the screw vacuum pump:

(1) The inlet end of the pump body is provided with an air cooling fin, and the outlet end of the pump body is provided with a jacket; the jacket comprises a first detachable cohesion part and a second detachable cohesion part; the first cooling pipe and the second cooling pipe in the first cohesion part and the second cohesion part extend out of the mounting plate and are connected together; air cooling is adopted at the inlet end of the pump body, and water cooling is adopted at the outlet end of the pump body, so that the cooling balance of the pump body is ensured; the first cohesion part and the second cohesion part are detachably connected, so that the disassembly and the assembly are convenient.

(2) The first cooling pipes and the second cooling pipes are connected in different connection modes, when one of the first cooling pipes is damaged or one of the second cooling pipes is damaged, the connection modes can be changed,

thereby improving the service life.

(3) The inner sides of the first cohesion part and the second cohesion part are respectively provided with an inner cooling pipe, the inner cooling pipes can cool the pump body, and meanwhile, the gaps of the inner cooling pipes form a plurality of air passages, so that the cooling effect of the outlet end of the pump body is further guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure;

FIG. 2 is a schematic side view of a jacket;

FIG. 3 is a schematic diagram showing a connection between a first cooling pipe and a second cooling pipe according to the first embodiment;

FIG. 4 is a schematic diagram showing three connection modes of a first cooling pipe and a second cooling pipe according to the second embodiment;

FIG. 5 is a schematic diagram showing a connection between a first cooling pipe and a second cooling pipe according to the third embodiment;

fig. 6 is a schematic view of the structure of the inner cooling tube.

In the figure: 1 is a pump body, 2 is a jacket, 21 is a first cohesion part, 22 is a second cohesion part, 3 is a mounting plate, 41 is a first cooling pipe, 42 is a second cooling pipe, 5 is a pipe connector, 6 is an inner cooling pipe, 7 is a water inlet main, 8 is a water outlet main, and 9 is an air cooling fin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a more optimal connection structure that may be formed by adding or subtracting connection aids depending on the particular implementation.

Embodiment 1,

Referring to fig. 1, a cooling structure of a screw vacuum pump includes a pump body 1 and a jacket 2 detachably mounted on the outside of the pump body 1.

Referring to fig. 2, the jacket 2 includes a first clasping portion 21 and a second clasping portion 22 that are detachably mounted; the first and second clasping portions 21 and 22 are each provided with an installation plate 3 extending outward; the first clasping portion 21 and the second clasping portion 22 are detachably connected by the mounting plate 3 and the fastener.

Referring to fig. 1-2, at least one first cooling tube 41 is disposed in the first wrapping portion 21; at least one second cooling tube 42 is provided in the second clasping portion 22; the first cohesion portion 21 has a hollow inside so as to allow the first cooling tube 41 to pass through, and the second cohesion portion 22 has a hollow inside so as to allow the second cooling tube 42 to pass through; both ends of the first cooling pipe 41 and the second cooling pipe 42 extend out of the mounting plate 3, one end of the first cooling pipe 41 is communicated with the water inlet main pipe 7 of the cooling liquid, and one end of the second cooling pipe 42 is communicated with the water outlet main pipe 8 of the cooling liquid; the other end of the first cooling pipe 41 is connected with the other end of the second cooling pipe 42 through a pipe connector 5; the pipe connector 5 comprises a U-shaped head and a connecting pipe; both ends of the U-shaped head are connected with connecting pipes, and the connecting pipes are connected with the first cooling pipes 41 or the second cooling pipes 42; through the detachable connection of the pipe connector 5, the first cooling pipe 41 and the second cooling pipe 42, the replacement and the disassembly are convenient.

Referring to fig. 1, a jacket 2 is near an outlet end of a pump body 1; an air cooling fin 9 is arranged outside the inlet end of the pump body 1; the air cooling fins 9 are matched with the water-cooled first cooling pipes 41 and the water-cooled second cooling pipes 42 for use, namely, the air cooling pump body 1 inlet section is cooled by the air, and the water cooling pump body 1 outlet end is cooled by the water, so that cooling balance is ensured.

Referring to fig. 2 and 3, the projected connecting line of the first cooling tube 41 and the second cooling tube 42 is perpendicular to the mounting surface of the first clasping portion 21 or forms an included angle with a certain preset angle, that is, when the first clasping portion 21 and the second clasping portion 22 are distributed up and down, the connecting line between the end of the first cooling tube 41 located in the mounting plate 3 and the end of the second cooling tube 42 located in the mounting plate 3 is vertical or forms an included angle with a certain preset angle with a horizontal plane, and the included angle is greater than 0 ° and smaller than 90 °.

Embodiment II,

Referring to fig. 4, the difference between the second embodiment and the first embodiment is that, on the basis of retaining the first embodiment, two first cooling pipes 41 and two second cooling pipes 42 are provided, and the two first cooling pipes 41 or the two second cooling pipes 42 are distributed in parallel, i.e. are distributed left and right in the figure; the two first cooling pipes 41 and the two second cooling pipes 42 are correspondingly connected or diagonally crossed, and the corresponding connection of the first cooling pipes 41 and the second cooling pipes 42 means that the first cooling pipes A1 are connected with the second cooling pipes B1, and the first cooling pipes A2 are connected with the second cooling pipes B2; the diagonal cross connection of the first cooling pipe 41 and the second cooling pipe 42 means that the first cooling pipe A1 is connected to the second cooling pipe B2, and the first cooling pipe A2 is connected to the second cooling pipe B1.

Third embodiment,

Referring to fig. 5, the difference between the third embodiment and the second embodiment is that there are a plurality of first cooling pipes 41 and second cooling pipes 42; the first cooling pipes 41 and the second cooling pipes 42 are connected in a pair-by-pair diagonal cross connection or one-to-one correspondence, and the first cooling pipes 41 and the second cooling pipes 42 may be connected in a diagonal cross connection or one-to-one correspondence, or both; typically, the number of the first cooling pipes 41 and the second cooling pipes 42 is 2 to 3.

Fourth embodiment,

Referring to fig. 1 and 6, a difference between the fourth embodiment and the first embodiment is that, on the basis of retaining the first embodiment, inner walls of the first and second cohesion portions 21 and 22 are provided with inner cooling pipes 6 having a continuous S-bend shape; the outer wall of the inner cooling pipe 6 contacts the outer shell of the pump body 1; the water inlet of the inner cooling pipe 6 is connected to a cooling water inlet main pipe 7; the water outlet of the inner cooling pipe 6 is connected to a water outlet main pipe 8; the inner cooling pipes 6 of the first and second cohesion portions 21 and 22 are independent of each other; by adopting the mode of matching the inner cooling pipe 6 with the first cooling pipe 41 and the second cooling pipe 42, the cooling effect on the pump body 1 can be better.

The assembly mode of the utility model is as follows: the mounting plates 3 of the first cohesion part 21 and the second cohesion part 22 are connected to the outer side of the outlet end of the pump body 1 through fasteners, and in the connecting process, the inner cooling pipe 6 is attached to the outer surface of the pump body 1; after the connection is completed, one ends of the first cooling pipe 41 and the second cooling pipe 42 are connected into a whole through the pipe connector 5; one end of the inner cooling pipe 6 and the first cooling pipe 41 are connected into the water inlet main pipe 7, and the other end of the inner cooling pipe 6 and the second cooling pipe 42 are connected into the water outlet main pipe 8.

It should be noted that, in the present utility model, "upper, lower, left, right, inner, and outer" are defined based on the relative positions of the components in the drawings, and only for the clarity and convenience of describing the technical solution, it should be understood that the application of the azimuth term does not limit the protection scope of the present utility model.

The foregoing embodiments are all preferred embodiments and are not intended to limit the present utility model, and although the present utility model has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features thereof, and any modifications, equivalents, improvements or changes that fall within the spirit and principles of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A cooling structure of a screw vacuum pump is characterized in that: comprises a pump body and a jacket detachably arranged on the outer side of the pump body; the jacket comprises a first cohesion part and a second cohesion part which are detachably arranged; mounting plates extending outwards are arranged on the first cohesion part and the second cohesion part; at least one first cooling pipe is arranged in the first cohesion part; at least one second cooling pipe is arranged in the second cohesion part; the end parts of the first cooling pipe and the second cooling pipe extend out of the mounting plate; one end of the first cooling pipe extending out of the first cohesion part is detachably connected with one end of the second cooling pipe extending out of the second cohesion part.

2. The cooling structure of a screw vacuum pump according to claim 1, wherein one ends of the first cooling pipe and the second cooling pipe are connected by a pipe joint; the pipe connector comprises a U-shaped head and a connecting pipe.

3. The cooling structure of a screw vacuum pump according to claim 1, wherein the connection line between the first cooling tube and the second cooling tube after projection is perpendicular to the mounting surface of the first clasping portion or forms an included angle with a certain preset angle.

4. A cooling structure of a screw vacuum pump according to claim 3, wherein the first cooling pipe and the second cooling pipe are two; the two first cooling pipes and the two second cooling pipes are correspondingly connected or diagonally crossed.

5. A cooling structure of a screw vacuum pump according to claim 3, wherein the first cooling pipe and the second cooling pipe are each plural; the first cooling pipes and the second cooling pipes are connected in one-to-one correspondence or in two-to-one diagonal cross connection.

6. The cooling structure of a screw vacuum pump according to claim 1, wherein inner walls of the first and second clasping portions are each provided with an inner cooling tube in a continuous S-bend shape.

7. The cooling structure of a screw vacuum pump according to claim 6, wherein the water inlet of the inner cooling pipe and one end of the first cooling pipe are connected to a cooling water inlet manifold; and the water outlet of the inner cooling pipe and one end of the second cooling pipe are connected to the water outlet main pipe.

8. A cooling structure of a screw vacuum pump according to any one of claims 1 to 7, wherein the jacket is adjacent to the outlet end of the pump body; an air cooling fin is arranged on the outer side of the inlet end of the pump body.