CN221003095U

CN221003095U - Automatic exhaust device for pump tank pump of chemical machine

Info

Publication number: CN221003095U
Application number: CN202322588927.9U
Authority: CN
Inventors: 毛春杰; 冶强; 吴燕青
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-23
Filing date: 2023-09-23
Publication date: 2024-05-24
Anticipated expiration: 2033-09-23

Abstract

The utility model belongs to the technical field of chemical industry machine pumps, in particular to an automatic exhaust device of a chemical industry machine pump tank pump, which comprises a cylinder body and a piston, wherein the piston is inserted into the inner wall of the cylinder body, three first sealing rings are sleeved on the surface of the piston, a pressure guiding pipe is communicated with the upper surface of the cylinder body, an exhaust pipe is communicated with the surface of the cylinder body, a conical plug is fixedly connected with the bottom end of the piston, a second sealing ring is fixedly connected with the inner surface of the cylinder body, the second sealing ring is positioned at the bottom end of the conical plug, a filtering device is arranged on the surface of the exhaust pipe, the filtering device comprises a filtering box, the upper surface of the filtering box is communicated with the bottom end of the exhaust pipe, three filtering plates are inserted into the inner wall of the filtering box, and two limiting frames are slidingly connected with the surface of the filtering box; through setting up this chemical industry machine pump lavage automatic exhaust device, simple structure is reasonable, has automatic exhaust and sealed effect, avoids manual operation exhaust when starting the pump at every turn, reduces personnel intensity of labour, reduces the operation risk.

Description

Automatic exhaust device for pump tank pump of chemical machine

Technical Field

The utility model relates to the technical field of chemical machine pumps, in particular to an automatic exhaust device for a pump tank pump of a chemical machine.

Background

The chemical pump has the advantages that: the full-series water conservancy performance layout is reasonable, and user's selection scope is wide, "back open" structure, overhauls convenience, efficiency and suction lift height.

A chinese patent of chinese patent application CN215633801U discloses a chemical machine pump priming automatic exhaust device, its technical scheme main points are: under the action of the density difference, the floating ball slowly floats, the lever is lifted in the floating process of the floating ball, the valve clack connected with the lever is lifted along with the floating ball until the sealing head of the valve clack seals the exhaust port, at the moment, the lever also touches the contact of the spring travel switch, the spring travel switch touches the transmitter, the transmitter sends a closing signal to the electromagnetic valve, the electromagnetic valve is closed, and gas is not exhausted through the exhaust port any more, so that the end of pumping is proved.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the chemical machine pump is used, an exhaust device is generally required to be arranged, and the gas-liquid mixture in the chemical machine pump is discharged through the exhaust device; therefore, the automatic exhaust device for the pump tank pump of the chemical machine is provided for solving the problems.

Disclosure of utility model

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an automatic exhaust device of a pump tank pump of a chemical machine, which comprises a cylinder body and a piston, wherein the piston is inserted into the inner wall of the cylinder body, the surface of the piston is sleeved with three first sealing rings, the upper surface of the cylinder body is communicated with a pressure guiding pipe, the surface of the cylinder body is communicated with an exhaust pipe, and liquid flow can pass through the pressure guiding pipe after gas is exhausted; at the moment, the liquid pressure is conducted to the cavity on the upper part of the piston through the pressure guiding pipe, the whole device has the effect of avoiding liquid leakage, and the service efficiency of the pump priming pump of the chemical machine is improved.

Preferably, the bottom fixedly connected with toper stopper of piston can drive the toper stopper and remove when the piston removes, and the toper stopper extrudees at the cylinder body internal surface, and the toper stopper can seal the cylinder body.

Preferably, the inner surface of cylinder body fixedly connected with second sealing washer, the second sealing washer is located the bottom of toper stopper, and the second sealing washer extrudees on the surface of toper stopper, can increase to a certain extent with the leakproofness between the toper stopper through setting up the second sealing washer.

Preferably, the surface of blast pipe is equipped with filter equipment, filter equipment includes the rose box, the upper surface of rose box is linked together with the blast pipe bottom, three filter has been inserted to the inner wall of rose box, the surface sliding connection of rose box has two spacing, the spacing is located the lateral wall of filter, and the spacing slides the lateral wall of filter, can pass the filter when gas flow, and the setting of filter can filter gas to a certain extent.

Preferably, the fixed surface of spacing internal surface and rose box is connected with the spring, the vertical section of spacing constitutes "concave" style of calligraphy structure, loosens spacing spring and can rebound, and spring drive spacing removes, can drive spacing through setting up the spring and remove, and the spring also can restrict the position of spacing simultaneously.

Preferably, the one end fixedly connected with that the spacing kept away from the rose box pushes away the handle, when needs remove the spacing, promotes to push away the handle and lets to push away the drive spacing slip, can conveniently remove the spacing to a certain extent through setting up to push away the handle.

The utility model has the advantages that:

1. When the device is used, the device is arranged on a pump outlet pipeline in a threaded mounting mode, the pressure guiding pipe is arranged on the rear side of the same pipeline close to the device, and the pressure guiding pipe is connected with the upper part of the exhaust device; when the chemical machine pump is started, when the pump outlet valve is closed, a large amount of gas is filled in the pump cavity and the pump outlet pipeline (the gas does not exclude the phenomenon that the clean chemical machine pump is difficult to start), when the chemical machine pump inlet valve is opened to perform the pump filling operation, liquid flows into the pump cavity, the gas enters the pump outlet pipeline, at the moment, the piston in the cylinder body is jacked by the gas (the pressure at the pressure leading pipe is lower than the pressure at the lower part of the piston) and is discharged into the exhaust pipe, the piston also can be extruded on the first sealing ring, when part of liquid enters the pump outlet pipeline, the pipeline is in a gas-liquid mixing state, the gas and the liquid are filled by the inlet liquid, the pressure leading pipe obtains the pressure and is transmitted to the upper part of the piston, the piston is driven to move downwards, the piston and the conical plug are in a close sealing state, a small amount of gas is discharged into the pipeline, the residual small amount of gas in the pressure leading pipeline does not influence the operation of the machine pump, when the chemical machine pump is started, the exhaust device leads the pressure leading pipe to obtain higher pressure and is transmitted to the surface of the piston to work, so that the conical plug and the second sealing ring are tightly sealed, the leakage of the chemical machine is not realized, the engine is not sealed, the exhaust leakage is reduced, and the exhaust risk is reduced, and the operation of the machine is reasonable, and the exhaust operator is reasonable, and the exhaust operation is avoided.

2. When the exhaust pipe is required to be used, the filter box is fixed on the surface of the exhaust pipe, the pushing handle is pushed to enable the pushing handle to drive the limiting frame to slide, the limiting frame also drives the spring to shrink, the filter plate is inserted into the filter box, after the filter plate moves to a proper position, the spring is loosened to enable the pushing handle spring to rebound, the spring drives the limiting frame to slide, the limiting frame slides to the side wall of the filter plate, gas can be filtered through the filter box and the filter plate, mixed particles in the gas are filtered, and the condition that the particles are adhered to the deep part of the pipeline and are inconvenient to clean is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a three-dimensional structure of a cylinder in an automatic exhaust device of a pump tank pump of a chemical machine;

FIG. 2 is a schematic diagram of a cross-sectional structure of a cylinder in an automatic pump-tank pump exhaust device of a chemical machine;

FIG. 3 is a schematic diagram of a side view of a cylinder in an automatic pump-tank pump exhaust device of a chemical machine;

Fig. 4 is a schematic diagram of a structure at a position a in fig. 3 in a pump tank pump automatic exhaust device of a chemical machine.

In the figure: 1. a cylinder; 2. a piston; 3. a first seal ring; 4. a conical plug; 5. a second seal ring; 6. an exhaust pipe; 7. a pressure guiding pipe; 8. a filtering device; 81. a filter box; 82. a filter plate; 83. a limiting frame; 84. a spring; 85. push handle.

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.

Referring to fig. 1-4, an automatic exhaust device for a pump tank pump of a chemical machine comprises a cylinder body 1 and a piston 2, wherein the piston 2 is inserted into the inner wall of the cylinder body 1, three first sealing rings 3 are sleeved on the surface of the piston 2, a pressure guiding pipe 7 is communicated with the upper surface of the cylinder body 1, and an exhaust pipe 6 is communicated with the surface of the cylinder body 1; when the pump works, water is required to be injected into the pump, when gas in the pump is in existence, the pressure of an outlet pipeline of the pump is low, the pressure of a cavity at the upper part of the piston 2 is low, air flow is discharged through sealing surfaces of the piston 2 and the cylinder body 1, the exhaust effect is achieved, and after the gas is discharged, liquid flow can pass through the pressure guiding pipe 7; at the moment, the liquid pressure is conducted to the upper cavity of the piston 2 through the pressure guiding pipe 7, the whole device has the effect of avoiding liquid leakage, and the service efficiency of the pump priming pump of the chemical machine is improved.

The bottom end of the piston 2 is fixedly connected with a conical plug 4; during operation, when the piston 2 moves, the conical plug 4 is driven to move, the conical plug 4 is extruded on the inner surface of the cylinder body 1, and the conical plug 4 can seal the cylinder body 1.

The inner surface of the cylinder body 1 is fixedly connected with a second sealing ring 5, and the second sealing ring 5 is positioned at the bottom end of the conical plug 4; during operation, the second sealing ring 5 can be extruded when the conical plug 4 moves, the second sealing ring 5 is extruded on the surface of the conical plug 4, and the tightness between the second sealing ring 5 and the conical plug 4 can be increased to a certain extent through the arrangement of the second sealing ring 5.

The surface of the exhaust pipe 6 is provided with a filtering device 8, the filtering device 8 comprises a filtering box 81, the upper surface of the filtering box 81 is communicated with the bottom end of the exhaust pipe 6, three filtering plates 82 are inserted into the inner wall of the filtering box 81, the surface of the filtering box 81 is slidably connected with two limiting frames 83, and the limiting frames 83 are positioned on the side walls of the filtering plates 82; during operation, the filter plate 82 is inserted into the filter box 81, then the limiting frame 83 is pushed to enable the limiting frame 83 to slide on the surface of the filter box 81, the limiting frame 83 slides to the side wall of the filter plate 82, the filter plate 82 can be penetrated when gas flows, and the filter plate 82 can be arranged to filter gas to a certain extent.

The inner surface of the limiting frame 83 and the surface of the filter box 81 are fixedly connected with springs 84, and the vertical section of the limiting frame 83 forms a concave structure; during operation, promote spacing 83 and let spacing 83 drive spring 84 shrink, after filter 82 installs, loosen spacing 83 spring 84 and can rebound, spring 84 drive spacing 83 removes, can drive spacing 83 removal through setting up spring 84, and spring 84 also can restrict the position of spacing 83 simultaneously.

The end of the limiting frame 83 far away from the filter box 81 is fixedly connected with a push handle 85; when the pushing device works, the pushing handle 85 is pushed, the pushing handle 85 drives the limiting frame 83 to slide, and the limiting frame 83 can be conveniently moved to a certain extent through the arrangement of the pushing handle 85.

When the device is used, the device is installed on a pump outlet pipeline in a threaded installation mode, the pressure guiding pipe 7 is installed on the rear side of the same pipeline close to the device, and the pressure guiding pipe 7 is connected with the upper part of the exhaust device; when the chemical machine pump is started, the pump cavity and the pump outlet pipeline are filled with a large amount of gas (the gas does not exclude the phenomenon that the pump is difficult to start, when the chemical machine pump inlet valve is opened for pumping operation, liquid flows into the pump cavity, the gas enters the pump outlet pipeline, at the moment, a piston 2 in a cylinder body 1 is jacked by the gas (the pressure at the position of a pressure guiding pipe 7 is lower than the pressure at the lower part of the piston 2) and is discharged into an exhaust pipe 6, the piston 2 is extruded on a first sealing ring 3, when part of liquid enters the pump outlet pipeline, the pipeline is in a gas-liquid mixing state, the gas and the liquid are pressurized by the inlet liquid, the pressure guiding pipe 7 obtains the pressure and is transmitted to the upper part of the piston 2, the piston 2 is driven to move downwards, the piston 2 and a conical plug 4 are in a state close to seal, the state, a small amount of gas remained in the pressure guiding pipe 7 is not influenced by the operation of the machine pump, when the chemical machine pump is started, the pressure guiding pipe 7 obtains higher pressure, and the piston 2 is automatically acted on the piston 2 and the surface of the piston 2, the leakage of the sealing device is reduced, and the risk of the sealing device is not reduced, and the sealing device is reasonably realized, and the sealing effect is avoided when the sealing operation of the pump is realized by a reasonable person, and the sealing device is realized; when needs use blast pipe 6, fix the rose box 81 on blast pipe 6 surface, then promote push away 85 and let push away 85 drive spacing 83 and slide, spacing 83 is at rose box 81 surface slip, spacing 83 also can drive spring 84 shrink, insert filter 82 in the rose box 81 again, after filter 82 removes suitable position, loosen and push away 85 spring 84 and rebound, spring 84 drive spacing 83 slides, spacing 83 slides to filter 82 lateral wall, can filter gas through setting up rose box 81 and filter 82, filter the particulate matter that mixes in the gas, reduce the inconvenient clearance's of particulate matter attachment in the pipeline depths condition.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a chemical industry machine pump jar pump automatic exhaust device, includes cylinder body (1) and piston (2), its characterized in that: the inner wall of the cylinder body (1) is inserted with a piston (2), the surface of the piston (2) is sleeved with three first sealing rings (3), the upper surface of the cylinder body (1) is communicated with a pressure guiding pipe (7), and the surface of the cylinder body (1) is communicated with an exhaust pipe (6).

2. The automatic exhaust device for the pump tank pump of the chemical machine according to claim 1, wherein: the bottom end of the piston (2) is fixedly connected with a conical plug (4).

3. The automatic exhaust device for the pump tank pump of the chemical machine according to claim 2, wherein: the inner surface of the cylinder body (1) is fixedly connected with a second sealing ring (5), and the second sealing ring (5) is positioned at the bottom end of the conical plug (4).

4. The automatic exhaust device for the pump tank pump of the chemical machine according to claim 1, wherein: the surface of blast pipe (6) is equipped with filter equipment (8), filter equipment (8) are including rose box (81), the upper surface of rose box (81) is linked together with blast pipe (6) bottom, the inner wall of rose box (81) is inserted and is equipped with three filter (82), the surface sliding connection of rose box (81) has two spacing (83), spacing (83) are located the lateral wall of filter (82).

5. The automatic exhaust device for the pump tank pump of the chemical machine according to claim 4, wherein: the inner surface of the limiting frame (83) and the surface of the filter box (81) are fixedly connected with springs (84), and the vertical section of the limiting frame (83) forms a concave structure.

6. The automatic exhaust device for the pump tank pump of the chemical machine according to claim 5, wherein: one end of the limiting frame (83) far away from the filter box (81) is fixedly connected with a pushing handle (85).