CN215566624U

CN215566624U - Water ring vacuum pump

Info

Publication number: CN215566624U
Application number: CN202121938841.9U
Authority: CN
Inventors: 王猛猛
Original assignee: Dazhong Mining Co ltd Inner Mongolia
Current assignee: Dazhong Mining Co ltd Inner Mongolia
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-18
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a water ring vacuum pump. A water ring vacuum pump comprising: the pump body is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are provided with a connecting mechanism; coupling mechanism includes female pipe the top screw thread of female pipe is installed public pipe, install the elasticity inner tube in the public pipe, the elasticity inner tube with female pipe adaptation. The water ring vacuum pump provided by the utility model has the advantages that the connecting mechanism arranged on the water inlet and outlet pipe comprises the female pipe, the male pipe and the elastic inner pipe in the male pipe, so that the connection of the water pipe is stable, the sealing effect is better, the sealing effect cannot be influenced by the looseness of the male pipe and the female pipe, the male pipe can be prevented from rotating by generating friction force through larger pressure, the connection is more stable, the first annular bag and the second annular bag are tightly attached to the male pipe under the action of water pressure by arranging the flow guide hole, the first annular bag and the second annular bag, and the sealing and fixing effects are better along with the increase of the water pressure.

Description

Water ring vacuum pump

Technical Field

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

Background

The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. The water ring vacuum pump is a vacuum pump which generates pumping force through liquid and rotation, the vacuum pump has high pumping negative pressure, small flow and good water safety and is often used for pumping inflammable and explosive gas and the like, the water ring vacuum pump passes through the pumping process along with the rotation of an impeller, a working medium moves outwards due to inertia and leaves the impeller to flow to the inner surface of a pump body to form a moving liquid ring, namely a liquid ring, so that a plurality of cavities with different volumes are formed among the liquid ring, the blades and the pump body, and the volumes of the cavities change periodically along with the rotation of the impeller, and at the moment, an air inlet pipe and an exhaust pipe are connected from the outside, so that gas can be pumped in and discharged through the periodic volume change, and the aim of pumping gas is fulfilled.

The existing water ring vacuum pump is fixedly connected in a mode of adopting single-side threads when being connected with a water pipe, but the single-side threads are easily abraded under the condition of frequent installation and disassembly, so that the sealing and the stability are low.

Therefore, it is necessary to provide a water-ring vacuum pump to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the water ring vacuum pump which can be connected with the water pipe more stably, and can keep the stability of sealing and connection under the condition that the thread is worn or not screwed in place in time.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a water ring vacuum pump comprising: the pump body is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are provided with a connecting mechanism; coupling mechanism includes female pipe the top screw thread of female pipe is installed public pipe, install the elasticity inner tube in the public pipe, the elasticity inner tube with female pipe adaptation.

Preferably, a flow guide pipe is arranged in the main pipe.

Preferably, an end face groove is formed in the top of the female pipe, one section of thread is formed in each of two sides of the end face groove, and the male pipe extends into the end face groove and is in threaded connection with the two sections of threads.

Preferably, be equipped with the water conservancy diversion hole in the lateral wall of female pipe, the outside of end face groove is equipped with first annular bag, the inboard of end face groove is equipped with second annular bag, first annular bag with second annular bag inside all with the water conservancy diversion hole is linked together.

Preferably, a first annular groove is formed in the outer side of the end surface groove, the first annular groove is matched with the first annular bag, a second annular groove is formed in the inner side of the end surface groove, and the second annular groove is matched with the second annular bag.

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

(1) according to the utility model, the connecting mechanism arranged on the water inlet and outlet pipe comprises the female pipe, the male pipe and the elastic inner pipe in the male pipe, so that the connection of the water pipes is stable, the sealing effect is better, the sealing effect cannot be influenced by the looseness of the male pipe and the female pipe, and friction force can be generated by larger pressure to prevent the rotation of the male pipe, so that the connection is more stable;

(2) according to the utility model, the flow guide pipe is arranged to guide water flow to flow through the inner side of the elastic inner pipe, so that the water flow is prevented from impacting the bottom end face of the elastic hose to impact the elastic hose, and the sealing effect is not influenced;

(3) according to the utility model, by arranging the two sections of threads, the inner side and the outer side of the male pipe are in threaded connection with the female pipe, so that the state is more stable;

(4) according to the utility model, the flow guide holes, the first annular travelling bag and the second annular travelling bag are arranged, so that the first annular travelling bag and the second annular travelling bag are tightly attached to the male pipe under the action of water pressure, and the sealing and fixing effects are better along with the increase of the water pressure;

(5) according to the utility model, the first annular groove and the second annular groove are arranged, and the first annular bag and the second annular bag are uniformly contracted in the first annular groove and the second annular groove when not used.

Drawings

FIG. 1 is a schematic front view of a water ring vacuum pump according to the present invention;

FIG. 2 is a schematic view of the construction of the coupling mechanism in the water ring vacuum pump shown in FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 2.

Wherein, the names corresponding to the reference numbers are: 1-a pump body, 2-a water inlet and outlet pipe, 3-a connecting mechanism, 4-a female pipe, 5-a male pipe, 6-an end surface groove, 7-an elastic inner pipe, 8-a flow guide pipe, 9-a flow guide hole, 10-a first annular groove, 11-a first annular bag, 12-a second annular groove and 13-a second annular bag.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Example 1:

as shown in fig. 1 to 3, a water ring vacuum pump provided for the present invention includes: the pump comprises a pump body 1, wherein a water inlet and outlet pipe 2 is arranged on the pump body 1, and a connecting mechanism 3 is arranged on the water inlet and outlet pipe 2; coupling mechanism 3 includes female pipe 4 public pipe 5 is installed to the top screw thread of female pipe 4, install elasticity inner tube 7 in the public pipe 5, elasticity inner tube 7 with female 4 adaptations of pipe.

In this embodiment, the water pipe is connected with the top of public pipe 5, and female pipe 4 and business turn over water pipe 2 fixed connection utilize the pressure of the rivers self in the water pipe to force elasticity inner tube 7 inflation, make elasticity inner tube 7 hug closely on the inner wall of female pipe 4 to seal, and along with the increase of rivers pressure, sealed effect is better.

Example 2:

as shown in fig. 2, a flow guide pipe 8 is provided in the main pipe 4.

In this embodiment, when the water flows from bottom to top, the flow guide tube 8 guides the water to flow through the inner side of the elastic inner tube 7, so as to prevent the water from impacting the bottom end surface of the elastic hose 7 to flush the elastic hose 7, which affects the sealing effect.

Example 3:

as shown in fig. 2, an end surface groove 6 is formed in the top of the female pipe 4, a section of thread is formed on each of two sides of the end surface groove 6, and the male pipe 5 extends into the end surface groove 6 and is in threaded connection with the two sections of thread.

In this example, male pipe 5 inserts in terminal surface groove 6 and rotatory certain number of turns can accomplish fixedly, and the use of both sides screw thread makes the connection more stable.

Example 4:

as shown in fig. 2 and 3, a diversion hole 9 is formed in the side wall of the main pipe 4, a first annular bag 11 is arranged on the outer side of the end surface groove 6, a second annular bag 13 is arranged on the inner side of the end surface groove 6, and the interiors of the first annular bag 11 and the second annular bag 13 are communicated with the diversion hole 9.

In this embodiment, the water flow enters the first annular bag 11 and the second annular bag 13 through the diversion hole 9, so that the first annular bag 11 and the second annular bag 13 are expanded, the first annular bag 11 and the second annular bag 13 are tightly attached to the male pipe 5, and the sealing and fixing effects are better as the water pressure increases.

Example 5:

as shown in fig. 3, a first annular groove 10 is formed on the outer side of the end surface groove 6, the first annular groove 10 is adapted to the first annular bag 11, a second annular groove 12 is formed on the inner side of the end surface groove 6, and the second annular groove 12 is adapted to the second annular bag 13.

In this embodiment, when there is no water in the pipeline, the outer side of the first annular bag 11 is fixedly connected to the first annular groove 12, and after the first annular bag 11 and the second annular bag 13 are contracted, the first annular bag 11 and the second annular bag 13 are respectively and uniformly contracted in the first annular groove 10 and the second annular groove 12, so that when the male pipe 5 is screwed into the end surface groove 6, the first annular bag 11 and the second annular bag 13 are not touched, and the sealing use is not affected.

When in use, a water pipe is connected to the male pipe 5, the outer side of the first annular bag 11 is fixedly connected with the first annular groove 12, and the first annular bag 11 and the second annular bag 13 are uniformly contracted in the first annular groove 10 and the second annular groove 12;

screwing the bottom of the male pipe 5 into the end surface groove 6 in alignment for a certain distance, and enabling the lower end of the elastic inner pipe 7 to be 1-2mm lower than the upper end of the flow guide pipe 8;

when the water pipe is filled with water, the elastic inner pipe 7 is forced to expand by the pressure of the water flow in the water pipe, so that the elastic inner pipe 7 is tightly attached to the inner wall of the main pipe 4, and the first sealing is carried out;

meanwhile, water flow enters the first annular bag 11 and the second annular bag 13 through the flow guide holes 9, so that the first annular bag 11 and the second annular bag 13 are expanded, the first annular bag 11 and the second annular bag 13 are tightly attached to the male pipe 5 to form a second seal, the male pipe 5 can be prevented from rotating through higher pressure (friction force generated by the pressure), and the connection is more stable;

above twice sealed measure, all accomplish under public pipe 5 and female pipe 4 connection length certain state, twice sealed homoenergetic along with hydraulic increase, sealed and fastening effect is better, has reached stable connection, safe sealed effect.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.

Claims

1. A water-ring vacuum pump, comprising:

the pump body is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are provided with a connecting mechanism;

coupling mechanism includes female pipe the top screw thread of female pipe is installed public pipe, install the elasticity inner tube in the public pipe, the elasticity inner tube with female pipe adaptation.

2. The water ring vacuum pump as claimed in claim 1, wherein a flow guide tube is provided in the main tube.

3. The water ring vacuum pump as claimed in claim 1, wherein the female pipe has a groove formed at a top thereof, wherein a thread is formed on both sides of the groove, and the male pipe extends into the groove and is threadedly connected to both threads.

4. The water ring vacuum pump as claimed in claim 3, wherein a diversion hole is formed in a side wall of the main pipe, a first annular bag is arranged on the outer side of the end surface groove, a second annular bag is arranged on the inner side of the end surface groove, and the interiors of the first annular bag and the second annular bag are communicated with the diversion hole.

5. The water ring vacuum pump as claimed in claim 3, wherein a first annular groove is formed on an outer side of the end surface groove, the first annular groove is matched with the first annular traveling bag, and a second annular groove is formed on an inner side of the end surface groove.