CN220081620U

CN220081620U - Reciprocating vacuum pump

Info

Publication number: CN220081620U
Application number: CN202321491208.9U
Authority: CN
Inventors: 祝小均
Original assignee: Ningbo Yingpin New Material Co ltd
Current assignee: Ningbo Yingpin New Material Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-24
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to the technical field of reciprocating vacuum pumps, in particular to a reciprocating vacuum pump, which comprises: the novel lifting device comprises a bottom plate, wherein a bottom plate is arranged on the bottom plate, a pump body is fixedly arranged on the bottom plate, a piston is connected with the pump body in a moving mode, a top cover is arranged on one side of the piston, a fish eye screw is arranged on the outer side of the top cover, a drag hook is connected onto the fish eye screw, a pull rope is fixedly arranged on one side of the drag hook, one end of the pull rope is connected with a rotating rod, and a supporting block is arranged on the outer side of the rotating rod. According to the utility model, the possibility of generating larger vibration on the pump body when the vacuum pump works is reduced, the generation of an unstable effect caused by excessive impurities in long-term air extraction is reduced, and the effect of fixing the pump body of the device is improved, so that the generation of vibration is reduced, the cleaning effect on the pump body is also improved, and the long-term work is more stable.

Description

Reciprocating vacuum pump

Technical Field

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

Background

The reciprocating vacuum pump is a mechanical vacuum pump, and gas molecules are continuously compressed and discharged out of the space through reciprocating motion, so that the number of the gas molecules in the space is reduced, and the reciprocating vacuum pump can provide the advantages of high pressure difference, high vacuum degree, high air suction speed and the like, and meanwhile, the reciprocating vacuum pump is simple in structure and easy to repair and maintain. Therefore, the method has wide application in the aspects of laboratory, medical treatment, chemical industry, production, manufacturing and the like.

The reciprocating vacuum pump used at present can produce great vibration in the course of working, this can bring certain inconvenience for the user, and reciprocating vacuum pump's air extraction process is intermittent type nature, therefore atmospheric pressure change is great, produces negative pressure or pressure fluctuation easily and forms unstable possibility to influence the result of use, has proposed reciprocating vacuum pump for this reason.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a reciprocating vacuum pump, overcomes the defects of the prior art and aims at solving the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a reciprocating type vacuum pump, includes the bottom plate, be provided with the chassis on the bottom plate, fixed mounting has the pump body on the chassis, the motion is connected with the piston in the pump body, one side of piston is provided with the top cap, fisheye screw is installed in the outside of top cap, be connected with the drag hook on the fisheye screw, one side of drag hook is fixed to be provided with the stay cord, the one end of stay cord is connected with the bull stick, and the supporting shoe is installed in the outside of bull stick.

Preferably, the bottom plate is the shock pad of hard material, the chassis holds on the top surface of bottom plate, the pump body is fixed on the top surface of chassis, be favorable to the stability that the pump body was placed, reduce the transmission of vibration.

Preferably, the support block is provided with a plurality of, and a plurality of the support block symmetry is fixed on the top surface of bottom plate, the backup pad is all welded to one side of support block, is favorable to holding the pump body from a plurality of angles.

Preferably, a plurality of through holes are formed in the supporting plates, the through holes are internally connected with screws in a threaded manner, pressing blocks are arranged at the bottom ends of the screws, and the pressing blocks are arranged on the top surface of the underframe in a moving manner, so that the fixing of the underframe is facilitated, and the device is more stable in operation.

Preferably, the top end of the pump body is provided with a groove, the piston is arranged in the groove in a moving mode, the top cover is connected with a fixing screw, the fixing screw is in threaded connection with the top surface of the pump body, and the top cover is convenient to detach and clean.

Preferably, the fish eye screw is provided with a plurality of, all arranges and installs on the surface of the pump body, the drag hook buckle is in on the fish eye screw, the bull stick rotates to be connected in the supporting shoe, the other end of stay cord runs through the top of supporting shoe, and around establishing on the surface of bull stick, be favorable to pulling from different angles and hold.

The beneficial effects of the utility model are as follows:

the utility model can relieve a large amount of vibration through the bottom plate, can pull and hold the position of the pump body through the stay cord and the drag hook, reduce the generation of shaking, can clamp the underframe on the bottom plate through the supporting plate and the screw rod, can conveniently detach the top cover through the fixing screw, and is convenient for cleaning the inside.

According to the utility model, the possibility of generating larger vibration on the pump body when the vacuum pump works is reduced, the generation of an unstable effect caused by excessive impurities in long-term air extraction is reduced, and the effect of fixing the pump body of the device is improved, so that the generation of vibration is reduced, the cleaning effect on the pump body is also improved, and the long-term work is more stable.

Drawings

FIG. 1 is a schematic diagram of a reciprocating vacuum pump according to the present utility model;

fig. 2 is a schematic diagram of a front view of a reciprocating vacuum pump according to the present utility model.

In the figure: 1. a bottom plate; 2. a support block; 3. a rotating rod; 4. a pump body; 5. a pull rope; 6. a top cover; 7. a set screw; 8. a fish-eye screw; 9. a drag hook; 10. a support plate; 11. a chassis; 12. and (3) a screw.

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.

Example 1:

referring to fig. 1-2, the reciprocating vacuum pump, including bottom plate 1, be provided with chassis 11 on bottom plate 1, fixedly mounted has pump body 4 on chassis 11, pump body 4 internal motion is connected with the piston, one side of piston is provided with top cap 6, fisheye screw 8 is installed in the outside of top cap 6, fisheye screw 8 is provided with a plurality ofly, all arrange and install on the surface of pump body 4, drag hook 9 buckle on fisheye screw 8, bull stick 3 rotates to be connected in supporting shoe 2, the other end of stay cord 5 runs through the top of supporting shoe 2 to around establishing on the surface of bull stick 3, be connected with drag hook 9 on fisheye screw 8, one side of drag hook 9 is fixed to be provided with stay cord 5, one end of stay cord 5 is connected with bull stick 3, supporting shoe 2 is installed in the outside of bull stick 3, supporting shoe 2 is provided with a plurality of, a plurality of supporting shoes 2 symmetry are fixed on the top surface of bottom plate 1, backup pad 10 is all welded to one side of supporting shoe 2.

In this implementation, bottom plate 1 is the shock pad of hard material, chassis 11 holds on the top surface of bottom plate 1, pump body 4 is fixed on the top surface of chassis 11, all seted up the through-hole in a plurality of backup pads 10, through-hole internal thread connection has screw 12, the bottom of screw 12 is provided with the briquetting, briquetting motion sets up on the top surface of chassis 11, set up flutedly on the top of pump body 4, the piston motion sets up in the recess, be connected with set screw 7 on the top cap 6, set screw 7 threaded connection is on the top surface of pump body 4.

Working principle: place chassis 11 on bottom plate 1 to rotate screw rod 12, with the clamp plate centre gripping on chassis 11, then pull out drag hook 9, make it block on fisheye screw 8, and rotate bull stick 3, make the taut position of the pump body 4 of stay cord 5, after the long-term use of pump body 4, can rotate set screw 7 and dismantle top cap 6, wash the impurity of inside, reduce the production of unstable phenomenon.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate medium, or may be communication between a plurality of elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Reciprocating vacuum pump, characterized in that it comprises:

bottom plate (1), be provided with chassis (11) on bottom plate (1), fixed mounting has pump body (4) on chassis (11), pump body (4) internal motion is connected with the piston, one side of piston is provided with top cap (6), fisheye screw (8) are installed in the outside of top cap (6), be connected with drag hook (9) on fisheye screw (8), one side of drag hook (9) is fixed to be provided with stay cord (5), the one end of stay cord (5) is connected with bull stick (3), supporting shoe (2) are installed in the outside of bull stick (3).

2. Reciprocating vacuum pump according to claim 1, characterized in that the bottom plate (1) is a shock pad of rigid material, the chassis (11) is housed on the top surface of the bottom plate (1), and the pump body (4) is fixed on the top surface of the chassis (11).

3. The reciprocating vacuum pump according to claim 1, characterized in that a plurality of support blocks (2) are provided, the plurality of support blocks (2) are symmetrically fixed on the top surface of the bottom plate (1), and one side of each support block (2) is provided with a support plate (10) by welding.

4. A reciprocating vacuum pump according to claim 3, characterized in that a plurality of support plates (10) are provided with through holes, the through holes are internally connected with screw rods (12) in a threaded manner, the bottom ends of the screw rods (12) are provided with pressing blocks, and the pressing blocks are arranged on the top surface of the underframe (11) in a moving manner.

5. The reciprocating vacuum pump according to claim 1, characterized in that a groove is provided on the top end of the pump body (4), the piston movement is provided in the groove, a fixing screw (7) is connected to the top cover (6), and the fixing screw (7) is in threaded connection with the top surface of the pump body (4).

6. The reciprocating vacuum pump according to claim 1, characterized in that the fish eye screws (8) are arranged in a plurality, all are arranged and installed on the outer surface of the pump body (4), the drag hooks (9) are buckled on the fish eye screws (8), the rotating rod (3) is rotationally connected in the supporting block (2), and the other end of the pull rope (5) penetrates through the top end of the supporting block (2) and winds on the outer surface of the rotating rod (3).