CN220059838U

CN220059838U - Combined vacuum pump

Info

Publication number: CN220059838U
Application number: CN202320628630.8U
Authority: CN
Inventors: 张维国; 邵峰
Original assignee: Hubei Zhongjin Changhe Environmental Technology Co ltd
Current assignee: Hubei Zhongjin Changhe Environmental Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-11-21
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a combined vacuum pump, in particular to the field of vacuum pump structures, which comprises a water tank and a machine body, wherein the water tank is communicated with an external water source, the water tank is fixedly connected to the machine body, a condensing chamber is fixedly connected in the machine body, the condensing chamber is communicated with the water tank through a pipeline, a pump body component is arranged below the condensing chamber, a screen plate is fixedly connected to the bottom of the condensing chamber, a central shaft is rotatably connected to the screen plate, the central shaft is of a hollow structure, a plurality of liquid flow ports are arranged on the central shaft, a water wheel is fixedly connected in a cavity of the central shaft, the central shaft drives a blade to rotate, so that the blade can break liquid flow entering the condensing chamber, the contact area and the frequency between the liquid flow in the condensing chamber and the condensing pipeline are improved, the condensing effect of the liquid flow entering an operation cavity is improved, and the heat load of the whole vacuum pump during working is reduced.

Description

Combined vacuum pump

Technical Field

The utility model relates to the field of vacuum pump structures, in particular to a combined vacuum pump.

Background

When the vacuum pump is in use, when the flow speed of liquid flow is too high, or the working time is too long, heat load can be generated by the pump body, and when the heat load is too high, stress concentration and unrecoverable deformation of parts in the pump body can occur, so that the service life of the vacuum pump is reduced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a combined vacuum pump, which aims to solve the technical problems that: when the flow rate of the liquid flow is too high, or the working time is too long, the pump body can generate heat load, and when the heat load is too high, stress concentration and unrecoverable deformation of parts in the pump body can possibly occur, so that the service life of the vacuum pump is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination formula vacuum pump, includes water tank and organism, water tank and outside water source are linked together, water tank fixed connection is on the organism, fixedly connected with condensing chamber in the organism, condensing chamber and water tank are linked together through the pipeline, condensing chamber's below is provided with pump body subassembly, condensing chamber's bottom fixedly connected with otter board, rotate on the otter board and be connected with the axis, the axis is hollow structure, a plurality of liquid flow mouths have been seted up on the axis, fixedly connected with water wheels in the centraxonial cavity, centraxonial outside fixedly connected with a plurality of blades, when liquid flow enters into pump body subassembly from the condensing chamber, the water wheels drive axis and blade under hydraulic action and rotate, condensing chamber inboard is provided with the condensation pipeline.

Preferably, the pump body assembly comprises a second conduit, a first conduit, a ball bearing, an eccentric wheel, an operation cavity, a base, a liquid draining box and a water wheel, wherein the base is arranged in the machine body, the base is erected on a supporting mechanism, the operation cavity is formed in the base, the eccentric wheel is eccentrically and rotatably connected in the operation cavity, the eccentric wheel is fixedly connected with the output end of an external motor, the first conduit is fixedly connected with the eccentric wheel, a through hole for guiding liquid flow into the operation cavity is formed in the first conduit, the first conduit is positioned in the second conduit, the second conduit is movably and hermetically connected with the operation cavity through the ball bearing, one end of the second conduit is communicated with the condensation chamber, the first conduit is in sliding and sealing connection with the ball bearing, the liquid draining box is fixedly connected with the upper side of the base, the operation cavity is communicated with the liquid draining box, the cover plate is rotatably connected in the liquid draining box, and is opened when the liquid pressure in the operation cavity is larger than the liquid pressure in the liquid draining box, the cover plate is closed when the liquid pressure in the operation cavity is smaller than the liquid pressure in the liquid draining box, and is communicated with the outside.

Preferably, the supporting mechanism comprises a supporting plate and a sliding plate, both ends of the supporting plate are elastically and slidably connected with a corresponding sliding plate, the sliding plate is elastically and slidably connected with the inner wall of the machine body, and the base is fixedly connected with the supporting plate.

Preferably, the lower part of the supporting plate is rotationally connected with two swinging rods, the free end of each swinging rod is rotationally connected with a small wheel, and the two swinging rods are connected through an elastic piece.

Preferably, the elastic element is a spring cylinder.

Preferably, a bottom plate is fixedly connected under the machine body, and rollers are arranged on the bottom plate.

The utility model has the technical effects and advantages that:

1. in the suction process, liquid flow enters into the hollow cavity of the second guide pipe from the condensing chamber, liquid flow fills the hollow cavity of the middle shaft, and under the guiding action of the liquid flow, the hydraulic pressure drives the water wheel to rotate, so that the middle shaft drives the blades to rotate, the blades can beat and crush the liquid flow entering into the condensing chamber, the contact area and the frequency between the liquid flow and the condensing pipeline in the condensing chamber are improved, the condensing effect of the liquid flow entering into the operating chamber by the design is improved, and the heat load of the whole vacuum pump in the working process is reduced.

2. The operation cavity during operation can produce vibration, and in the backup pad can be gone into the slide with vibration transfer this moment, through the elastic connection between slide and the backup pad, can offset the horizontal vibration component of operation cavity, the elastic sliding connection relation between slide and the organism can offset the vibration component of operation cavity in vertical direction, utilizes the directional elasticity shrink ability of spring cylinder simultaneously, can be again with the vertical vibration component that the backup pad received further decomposition through two swinging arms, has further improved combination formula vacuum pump's job stabilization nature.

Drawings

Fig. 1 is a schematic structural diagram of a combined vacuum pump according to the present utility model.

Fig. 2 is a schematic view of the structure of the inside of the machine body of the present utility model.

Fig. 3 is a schematic structural view of the water wheel of the present utility model.

The reference numerals are:

1. a water tank; 2. a body; 3. a bottom plate; 4. a roller; 5. a slide plate; 6. a support plate; 7. a swinging rod; 8. a small wheel; 9. a spring cylinder; 10. a base; 11. an operation chamber; 12. an eccentric wheel; 13. a ball bearing; 14. a first conduit; 15. a second conduit; 16. a condensing chamber; 17. a center shaft; 18. a blade; 19. a liquid flow port; 20. a liquid discharge box; 21. a water wheel.

Detailed Description

Example 1

Referring to fig. 1-3, a combined vacuum pump comprises a water tank 1 and a machine body 2, wherein the water tank 1 is communicated with an external water source, the water tank 1 is fixedly connected to the machine body 2, a condensation chamber 16 is fixedly connected in the machine body 2, the condensation chamber 16 is communicated with the water tank 1 through a pipeline, a pump body component is arranged below the condensation chamber 16, a screen plate is fixedly connected to the bottom of the condensation chamber 16, a central shaft 17 is rotatably connected to the screen plate, the central shaft 17 is of a hollow structure, a plurality of liquid flow ports 19 are formed in the central shaft 17, a water wheel 21 is fixedly connected in a cavity of the central shaft 17, a plurality of blades 18 are fixedly connected to the outer side of the central shaft 17, when liquid flow enters the pump body component from the condensation chamber 16, the water wheel 21 drives the central shaft 17 and the blades 18 to rotate under the action of hydraulic pressure, and a condensation pipeline is arranged on the inner side of the condensation chamber 16.

The pump body assembly comprises a second guide pipe 15, a first guide pipe 14, a ball bearing 13, an eccentric wheel 12, an operation cavity 11, a base 10, a liquid draining box 20 and a water wheel 21, wherein the base 10 is arranged in the machine body 2, the base 10 is erected on a supporting mechanism, the operation cavity 11 is arranged in the base 10, the eccentric wheel 12 is eccentrically and rotatably connected with the eccentric wheel 12, the eccentric wheel 12 is fixedly connected with the output end of an external motor, the first guide pipe 14 is fixedly connected with the eccentric wheel 12, the first guide pipe 14 is provided with a through hole for guiding liquid flow into the operation cavity 10, the first guide pipe 14 is positioned in the second guide pipe 15, the second guide pipe 15 is movably and hermetically connected with the operation cavity 11 through the ball bearing 13, one end of the second guide pipe 15 is communicated with the condensation chamber 16, the first guide pipe 14 is in sliding and hermetically connected with the ball bearing 13, the liquid draining box 20 is fixedly connected with the upper side of the base 10, the operation cavity 11 is communicated with the liquid draining box 20, the liquid draining box 20 is rotatably connected with the liquid draining box 20, when the liquid draining box 11 is larger than the liquid draining box 20 in the operation cavity 11, and when the liquid draining box 20 is opened, the liquid draining box is smaller than the liquid draining box 20, and the liquid draining box is communicated with the liquid draining box 20 when the liquid box is opened.

When the eccentric wheel 12 is used, the external motor is started to drive the eccentric wheel 12 to eccentrically rotate in the operation cavity 11, when the eccentric wheel 12 rotates, the edge of the eccentric wheel 12 is always tangent to the inner wall of the operation cavity 11, for convenience of description, the rotation process of the eccentric wheel 12 is divided into a suction process and a discharge process, in the suction process, the eccentric wheel 12 drives the first guide pipe 14 to slide in the ball bearing 13, liquid flow passing through the machine body 2, the condensation chamber 16 and the second guide pipe 15 is gradually introduced into the operation cavity 11 through the through holes, and then in the discharge process, the closed cavity volume formed by the eccentric wheel 12 and the operation cavity 11 is reduced under the rotation of the eccentric wheel 12, so that the hydraulic strength in the operation cavity 11 is larger than that in the liquid discharge box 20, and the eccentric wheel 12 can press the liquid flow into the liquid discharge box 20, and then the suction process is carried out again, and the above activities are repeated; in the suction process, liquid flow enters the cavity of the middle shaft 17 from the condensation chamber 16 in the process of the second conduit 15, and under the guiding effect of the liquid flow, the hydraulic pressure drives the water wheel 21 to rotate, so that the middle shaft 17 drives the blades 18 to rotate, the blades 18 can crush the liquid flow entering the condensation chamber 16, the contact area and the frequency between the liquid flow in the condensation chamber 16 and the condensation pipeline are improved, the condensation effect of the design on the liquid flow entering the operation chamber 11 is improved, and the heat load of the whole vacuum pump in working is reduced.

Example two

Referring to fig. 1-2, on the basis of the above embodiment, the supporting mechanism includes a supporting plate 6 and a sliding plate 5, two ends of the supporting plate 6 are elastically slidably connected with a corresponding sliding plate 5, the sliding plate 5 is elastically slidably connected with an inner wall of the machine body 2, and the base 10 is fixedly connected with the supporting plate 6.

The lower part of the supporting plate 6 is rotationally connected with two swinging rods 7, the free end of each swinging rod 7 is rotationally connected with a small wheel 8, and the two swinging rods 7 are connected through an elastic piece.

The elastic member is a spring cylinder 9.

The machine body 2 is fixedly connected with a bottom plate 3, and rollers 4 are arranged on the bottom plate 3.

The operation cavity 11 during operation can produce vibration, and backup pad 6 can be with in vibration transfer income slide 5 this moment, through the elastic connection between slide 5 and the backup pad 6, can offset the horizontal vibration component of operation cavity 11, and the vibration component of operation cavity 11 in the vertical direction can be offset to the elasticity slip connection relation between slide 5 and organism 2, utilizes the directional elasticity contractility of spring cylinder 9 simultaneously, can be again with the vertical vibration component that backup pad 6 received further decomposition through two swinging arms 7, has further improved combination formula vacuum pump's job stabilization nature.

Claims

1. The utility model provides a combination formula vacuum pump, includes water tank (1) and organism (2), and water tank (1) are linked together with outside water source, water tank (1) fixed connection is on organism (2), its characterized in that: the utility model discloses a condenser for condensing a liquid, including organism (2) internal fixedly connected with condensation chamber (16), condensation chamber (16) and water tank (1) are linked together through the pipeline, the below of condensation chamber (16) is provided with pump body subassembly, the bottom fixedly connected with otter board of condensation chamber (16), rotation is connected with axis (17) on the otter board, axis (17) are hollow structure, a plurality of liquid flow mouth (19) have been seted up on axis (17), fixedly connected with water wheel (21) in the cavity of axis (17), the outside fixedly connected with of axis (17) a plurality of blades (18), when liquid flow enters into pump body subassembly from condensation chamber (16), water wheel (21) drive axis (17) and blade (18) under hydraulic effect and rotate, condensation chamber (16) inboard is provided with the condensation pipeline.

2. A combination vacuum pump as claimed in claim 1, wherein: the pump body assembly comprises a second guide pipe (15), a first guide pipe (14), a ball bearing (13), an eccentric wheel (12), an operation cavity (11), a base (10), a liquid draining box (20) and a water wheel (21), wherein the base (10) is arranged in the machine body (2), the base (10) is erected on a supporting mechanism, the operation cavity (11) is arranged in the base (10), the eccentric wheel (12) is connected in the operation cavity (11) in an eccentric rotation manner, the eccentric wheel (12) is fixedly connected with the output end of an external motor, the first guide pipe (14) is fixedly connected with the first guide pipe (12), the first guide pipe (14) is provided with a through hole for guiding liquid into the operation cavity (11), the first guide pipe (14) is positioned in the second guide pipe (15), one end of the second guide pipe (15) is in movable sealing connection with the operation cavity (11) through the ball bearing (13), one end of the second guide pipe (15) is in sliding sealing connection with the condensation chamber (16), the first guide pipe (14) is in sliding sealing connection with the ball bearing (13), the upper guide pipe (10) is fixedly connected with the liquid draining box (20) and the liquid draining box (20) is in sliding connection, when the hydraulic pressure in the operation chamber (11) is larger than the hydraulic pressure in the liquid discharge box (20), the cover plate is opened, when the hydraulic pressure in the operation chamber (11) is smaller than the hydraulic pressure in the liquid discharge box (20), the cover plate is closed, and the liquid discharge box (20) is communicated with the outside.

3. A combination vacuum pump as claimed in claim 2, wherein: the supporting mechanism comprises a supporting plate (6) and a sliding plate (5), wherein both ends of the supporting plate (6) are elastically and slidably connected with a corresponding sliding plate (5), the sliding plate (5) is elastically and slidably connected with the inner wall of the machine body (2), and the base (10) is fixedly connected with the supporting plate (6).

4. A combination vacuum pump as claimed in claim 3, wherein: the lower part of the supporting plate (6) is rotationally connected with two swinging rods (7), the free end of each swinging rod (7) is rotationally connected with a small wheel (8), and the two swinging rods (7) are connected through an elastic piece.

5. A combination vacuum pump as claimed in claim 4, wherein: the elastic piece is a spring cylinder (9).

6. A combination vacuum pump according to any one of claims 1-5, wherein: the machine body (2) is fixedly connected with a bottom plate (3), and rollers (4) are arranged on the bottom plate (3).