CN218816845U

CN218816845U - Air-cooled reciprocating vertical oilless vacuum pump

Info

Publication number: CN218816845U
Application number: CN202221590591.9U
Authority: CN
Inventors: 薛建国; 陈君
Original assignee: Jiangsu Asia Pacific Industrial Pump Technology Development Co ltd
Current assignee: Jiangsu Asia Pacific Industrial Pump Technology Development Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-04-07
Anticipated expiration: 2032-06-23

Abstract

The utility model is suitable for a vacuum pump technical field provides a reciprocal vertical oil-free vacuum pump of forced air cooling, the on-line screen storage device comprises a base, the pump case, the top cap, the pump body and exhaust fan, have the pump case of semiconductor refrigeration piece through the setting, and be provided with the fagging that is used for supporting the pump body in the pump case, the gas outlet that is used for the exhaust air is offered at the top of pump case, the exhaust fan is installed to the below of gas outlet, this application is used for providing the top cap that shelters from through the top at the gas outlet fixedly, can be located the gas outlet and provide the protection, prevent that rainwater and debris that drop from the top from get into the gas outlet, thereby reduce the harm that produces exhaust fan and pump body job stabilization.

Description

Air-cooled reciprocating vertical oilless vacuum pump

Technical Field

The utility model belongs to the technical field of the vacuum pump, especially, relate to a vertical oil-free vacuum pump that forced air cooling is reciprocal.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using mechanical, physical, chemical and physical-chemical methods, in popular terms, the vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods, common vacuum pumps comprise a dry screw vacuum pump, a water ring pump, a reciprocating pump, a slide valve pump, a rotary vane pump, a roots pump, a diffusion pump and the like, the conventional air-cooled reciprocating vertical oil-free vacuum pump can generate heat when being used for a long time, and the working life of the conventional air-cooled reciprocating vertical oil-free vacuum pump can be influenced if the heat is not timely discharged, so that the working efficiency of the conventional air-cooled reciprocating vertical oil-free vacuum pump is reduced.

Application number is CN 212130735U provides a reciprocal vertical oil-free vacuum pump of forced air cooling, which comprises a support plate, the last fixed surface of support plate is connected with the heat dissipation case, the gas vent has been seted up to the upper surface of heat dissipation case, the inner wall fixedly connected with air discharge fan of gas vent, the inside of heat dissipation case is equipped with reciprocal vertical oil-free vacuum pump and bearing plate respectively, the left and right sides face of bearing plate respectively with the inside wall fixed connection of heat dissipation case, reciprocal vertical oil-free vacuum pump's bottom surface and the last fixed surface of bearing plate are connected, the right side fixedly connected with push pedal of support plate upper surface, the inside of heat dissipation case is equipped with the division board.

To above-mentioned technique, when using, there are some defects, and the gas vent at heat dissipation case top does not shelter from, and outside debris or rainwater etc. can get into exhaust fan and heat dissipation incasement through the gas vent to can produce job stabilization's influence to exhaust fan and reciprocal vertical oil-free vacuum pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a reciprocal vertical oil-free vacuum pump of forced air cooling aims at solving the problem that prior art exists.

The utility model relates to a realize like this, a vertical oil free vacuum pump that forced air cooling reciprocated, include:

a base, the bottom of which is provided with a plurality of universal wheels;

a pump housing fixed on top of and supported by the base; the bottom of the pump box is provided with a semiconductor refrigeration piece, the cold end of the semiconductor refrigeration piece is positioned at the inner side of the pump box, the inner wall of the pump box is fixed with a supporting plate, and the supporting plate is provided with a vent hole; a cooling bin is formed between the supporting plate and the bottom wall of the pump box; an air inlet communicated with the cooling bin is formed in the side wall of the pump box; the top of the pump box is provided with an air outlet for air to flow out;

the top cover is fixedly arranged at the top of the pump box and is positioned right above the air outlet;

the pump body is fixed on the supporting plate, and a gap for air circulation is formed between the pump body and the supporting plate;

and the exhaust fan is arranged in the pump box and is positioned below the air outlet.

Preferably, an exhaust plate fixedly connected with the inner wall of the air outlet is arranged on the inner side of the air outlet; the exhaust plate is provided with a plurality of exhaust holes, and the top of the exhaust plate is fixed with a threaded sleeve;

the bottom of top cap is fixed with the dead lever, the lower extreme of dead lever is fixed with the threaded rod, threaded rod threaded connection the thread bush.

Preferably, the bottom wall of the pump box is provided with an accommodating bin for accommodating the semiconductor refrigerating sheet; the base is provided with an inner hole which is aligned and communicated with the accommodating bin.

Preferably, a plurality of heat-conducting plates which are arranged at intervals are fixed in the inner hole, and the upper ends of the heat-conducting plates are contacted with the hot end of the semiconductor refrigerating sheet;

the heat-conducting plates are fixedly connected with a horizontally arranged reinforcing plate together, and the reinforcing plate is fixedly connected with the hole wall of the inner hole.

Preferably, a plurality of rubber seats are fixed at the top of the supporting plate; the upper end of the rubber seat is fixedly connected with the pump body and supports the pump body.

Preferably, the air inlet is connected with an air inlet pipe extending to the outer side of the pump box.

Preferably, a handle is fixed to the top of the top cover.

Preferably, a push plate is fixed on the outer side wall of the pump box; a handle is fixed on the push plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a vertical no oil vacuum pump of forced air cooling reciprocal, have the pump case of semiconductor refrigeration piece through the setting, and be provided with the fagging that is used for supporting the pump body in the pump case, the gas outlet that is used for the exhaust air is offered at the top of pump case, the exhaust fan is installed to the below of gas outlet, this application is used for providing the top cap that shelters from through the top at the gas outlet fixedly, can be located the gas outlet and provide the protection, prevent that rainwater and debris that drop from the top from get into the gas outlet, thereby reduce the harm that produces exhaust fan and pump body job stabilization.

Drawings

Fig. 1 is a schematic view of the overall structure of an air-cooled reciprocating vertical oil-free vacuum pump of the present invention;

fig. 2 is a schematic structural view of the top cover of the present invention;

fig. 3 is an enlarged schematic view of detail a in fig. 1.

In the figure: 1. a base; 11. a universal wheel; 12. an inner bore; 2. a pump box; 21. an air inlet pipe; 22. a supporting plate; 23. a rubber seat; 24. a heat conducting plate; 25. a reinforcing plate; 3. a top cover; 31. fixing the rod; 311. a threaded rod; 32. a handle; 4. a pump body; 41. a connecting pipe; 5. an exhaust fan; 6. pushing the plate; 61. a handle; 7. an exhaust plate; 8. semiconductor refrigeration piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: an air-cooled reciprocating vertical oilless vacuum pump comprises a base 1, a pump box 2, a top cover 3, a pump body 4 and an exhaust fan 5.

Four universal wheels 11 are installed at the bottom of the base 1. The base 1 is a rectangular seat, and the four universal wheels 11 are respectively located at four corners of the base 1 and distributed in a matrix manner. The base 1 can be supported by the universal wheels 11 and can be moved conveniently.

The pump box 2 is fixed on the top of the base 1 and is supported by the base 1; the bottom of the pump box 2 is provided with a semiconductor refrigeration piece 8, the cold end of the semiconductor refrigeration piece 8 is positioned at the inner side of the pump box 2, a supporting plate 22 is fixed on the inner wall of the pump box 2, and the supporting plate 22 is provided with a vent hole; a cooling bin is formed between the supporting plate 22 and the bottom wall of the pump box 2; an air inlet communicated with the cooling bin is formed in the side wall of the pump box 2 and connected with an air inlet pipe 21 extending to the outer side of the pump box 2; the top of the pump box 2 is provided with an air outlet for air to flow out. The bottom wall of the pump box 2 is provided with an accommodating bin for accommodating the semiconductor refrigerating sheet 8; the base 1 is provided with an inner hole 12 which is aligned with and communicated with the accommodating bin. The semiconductor refrigeration chip 8 is connected to an external power source through a wire which passes through the pump box 2 and extends to the outside. The semiconductor refrigerating plate 8 is used for providing a cold source for the cooling bin.

Further, a plurality of heat conducting plates 24 are fixed in the inner hole 12 at intervals, and the upper ends of the heat conducting plates 24 are contacted with the hot end of the semiconductor refrigerating sheet 8; the heat-conducting plates 24 are jointly fixedly connected with a horizontally arranged reinforcing plate 25, and the reinforcing plate 25 is fixedly connected with the hole wall of the inner hole 12. The heat conducting plate 24 can conduct the heat at the hot end of the semiconductor refrigerating sheet 8, so as to accelerate the heat dissipation. The reinforcing plate 25 may improve the structural strength of the heat conductive plate 24.

The top cover 3 is fixedly arranged on the top of the pump box 2 and is positioned right above the air outlet, and the top cover 3 is provided with an extension plate which is positioned at the center and can extend outwards from the edge of the conical cover.

Further, an exhaust plate 7 fixedly connected with the inner wall of the air outlet is arranged on the inner side of the air outlet; a plurality of exhaust holes are formed in the exhaust plate 7, and a threaded sleeve is fixed at the top of the exhaust plate 7; the bottom of the top cover 3 is fixed with a fixed rod 31, the lower end of the fixed rod 31 is fixed with a threaded rod 311, and the threaded rod 311 is in threaded connection with a threaded sleeve. A handle 32 is fixed to the top of the top cover 3.

The pump body 4 is fixed on the supporting plate 22, and a gap for air circulation is formed between the pump body and the supporting plate 22. The pump body 4 is connected to an external device through a connection pipe 41.

Specifically, a plurality of rubber seats 23 are fixed on the top of the supporting plate 22; the upper end of the rubber seat 23 is fixedly connected with the pump body 4 and supports the pump body 4. The rubber seat 23 can provide shock absorption for the pump body 4, thereby reducing noise.

The exhaust fan 5 is installed in the pump box 2 and below the air outlet. Exhaust fan 5 is used for taking out the gas in the pump box 2, and the outer wall is gaseous to get into the cooling bin from intake pipe 21, accomplishes the heat exchange with semiconductor refrigeration piece 8, and the temperature reduces, then passes fagging 22, behind pump body 4 and the heat of absorbing the pump body 4, thereby the gas outlet is exported.

It is also necessary to supplement that a push plate 6 is fixed on the outer side wall of the pump box 2; a handle 61 is fixed on the push plate 6. The user can control the base 1 and the pump housing 2 to move by holding the handle 61.

To sum up, the utility model discloses a vertical no oil vacuum pump of forced air cooling reciprocal has pump box 2 of semiconductor refrigeration piece 8 through the setting to be provided with the fagging 22 that is used for supporting the pump body 4 in the pump box 2, the gas outlet that is used for the exhaust air is offered at the top of pump box 2, exhaust fan 5 is installed to the below of gas outlet, this application is used for providing the top cap 3 that shelters from for the gas outlet through the top is fixed in the top at the gas outlet, can be located the gas outlet and provide the protection, prevent that rainwater and debris that drop from the top from getting into the gas outlet, thereby reduce the harm that produces exhaust fan 5 and the 4 job stabilization of the pump body.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a vertical oil-free vacuum pump that forced air cooling reciprocated which characterized in that: the method comprises the following steps:

a base (1) having a plurality of universal wheels (11) mounted on the bottom thereof;

a pump housing (2) fixed on top of the base (1) and supported by the base (1); the semiconductor refrigeration piece (8) is installed at the bottom of the pump box (2), the cold end of the semiconductor refrigeration piece (8) is located on the inner side of the pump box (2), a supporting plate (22) is fixed on the inner wall of the pump box (2), and a vent hole is formed in the supporting plate (22); a cooling bin is formed between the supporting plate (22) and the bottom wall of the pump box (2); an air inlet communicated with the cooling bin is formed in the side wall of the pump box (2); the top of the pump box (2) is provided with an air outlet for air to flow out;

the top cover (3) is fixedly arranged at the top of the pump box (2) and is positioned right above the air outlet;

a pump body (4) fixed on the supporting plate (22) and having a gap for air circulation with the supporting plate (22);

and the exhaust fan (5) is installed in the pump box (2) and is positioned below the air outlet.

2. The air-cooled reciprocating vertical oil-free vacuum pump according to claim 1, characterized in that: an exhaust plate (7) fixedly connected with the inner wall of the air outlet is arranged on the inner side of the air outlet; a plurality of exhaust holes are formed in the exhaust plate (7), and a threaded sleeve is fixed at the top of the exhaust plate (7);

the bottom of top cap (3) is fixed with dead lever (31), the lower extreme of dead lever (31) is fixed with threaded rod (311), threaded rod (311) threaded connection the thread bush.

3. The air-cooled reciprocating vertical oil-free vacuum pump as claimed in claim 1, characterized in that: an accommodating bin for accommodating the semiconductor refrigerating sheet (8) is formed in the bottom wall of the pump box (2); the base (1) is provided with an inner hole (12) which is aligned with and communicated with the containing bin.

4. The air-cooled reciprocating vertical oil-free vacuum pump as claimed in claim 3, characterized in that: a plurality of heat-conducting plates (24) are fixed in the inner hole (12) at intervals, and the upper ends of the heat-conducting plates (24) are contacted with the hot end of the semiconductor refrigerating sheet (8);

the heat-conducting plates (24) are jointly fixedly connected with a reinforcing plate (25) which is horizontally arranged, and the reinforcing plate (25) is fixedly connected with the hole wall of the inner hole (12).

5. The air-cooled reciprocating vertical oil-free vacuum pump as claimed in claim 1, characterized in that: a plurality of rubber seats (23) are fixed at the top of the supporting plate (22); the upper end of the rubber seat (23) is fixedly connected with the pump body (4) and supports the pump body (4).

6. The air-cooled reciprocating vertical oil-free vacuum pump as claimed in claim 1, characterized in that: the air inlet is connected with an air inlet pipe (21) extending to the outer side of the pump box (2).

7. The air-cooled reciprocating vertical oil-free vacuum pump as claimed in claim 2, characterized in that: a handle (32) is fixed on the top of the top cover (3).

8. The air-cooled reciprocating vertical oil-free vacuum pump as claimed in claim 1, characterized in that: a push plate (6) is fixed on the outer side wall of the pump box (2); a handle (61) is fixed on the push plate (6).