CN212839562U

CN212839562U - Exhaust valve for cleaning machine

Info

Publication number: CN212839562U
Application number: CN202021245781.8U
Authority: CN
Inventors: 金永江; 傅柯峰
Original assignee: Zhejiang Jinsen Machinery Co ltd
Current assignee: Zhejiang Jinsen Machinery Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-30
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an exhaust valve for a cleaning machine, which comprises a body, wherein a main exhaust channel is arranged in the body, the main exhaust passage comprises an upper chamber and a lower chamber, the inner diameter of the upper chamber is smaller than that of the lower chamber, the top of the upper chamber is provided with an exhaust plug, the top of the lower chamber is provided with a sealing ring, a steel ball is arranged in the lower chamber, an elastic piece I is arranged between the steel ball and the exhaust plug, the upper end and the lower end of the elastic piece I are respectively fixedly connected with the exhaust plug and the steel ball, a plurality of auxiliary exhaust channels are arranged in the body, air plug channels which are the same as the auxiliary exhaust channels in number and are horizontally arranged are arranged on the inner wall of the lower cavity, the air plug passage is communicated with the main exhaust passage and the auxiliary exhaust passage, a sliding piece is arranged in the air plug passage, and one end, far away from the lower cavity, of the sliding piece is fixedly connected with a sealing plug.

Description

Exhaust valve for cleaning machine

Technical Field

The utility model relates to a high pressure cleaner technical field especially relates to an exhaust valve for cleaning machine.

Background

The high-pressure cleaning machine is a device which drives a high-pressure pump to generate high-pressure water to wash the surface of an object through a power device. The high-pressure pump is provided with an exhaust valve which is used for exhausting air in the pipeline. Before the high-pressure cleaning machine enters a normal working state, air in the pipeline needs to be completely exhausted through the exhaust valve.

However, in the prior art, the exhaust valve arranged on the high-pressure pump only has one exhaust passage, and long time is required for completely exhausting the air in the pipeline, and the high-pressure cleaning machine cannot work normally, so that a user is required to wait for long time before using the high-pressure cleaning machine every time, and inconvenience is brought to the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a discharge valve for cleaning machine can be fast with the air escape in the pipeline, and behind the exhaust air under hydraulic effect self-sealing exhaust passage, makes high pressure cleaner get into normal operating condition fast, and convenience of customers uses the cleaning machine.

The above technical purpose of the present invention can be achieved by the following technical solutions: a vent valve for a cleaning machine comprises a body, wherein a main vent channel is arranged in the body, the main vent channel comprises an upper cavity and a lower cavity, the inner diameter of the upper cavity is smaller than that of the lower cavity, a vent plug is arranged at the top of the upper cavity, a sealing ring is arranged at the top of the lower cavity, a steel ball is arranged in the lower cavity, an elastic piece I is arranged between the steel ball and the vent plug, the upper end and the lower end of the elastic piece I are respectively fixedly connected with the vent plug and the steel ball, a plurality of auxiliary vent channels are arranged in the body, a vent plug channel which is the same as the auxiliary vent channels in number and is horizontally arranged is arranged on the inner wall of the lower cavity, the vent plug channel is communicated with the main vent channel and the auxiliary vent channels, a sliding piece is arranged in the vent plug channel, and one end of the sliding piece, the inner wall of the auxiliary exhaust passage, which is far away from the main exhaust passage, is provided with a functional groove, the functional groove and the air plug passage are positioned on the same straight line, and an elastic part II is arranged between the sealing plug and the inner wall of the functional groove.

Through the technical scheme, the steel ball stays at the position close to the pressure cap under the action force of the first elastic part when the high-pressure pump is just started, the sliding part and the sealing plug are positioned on one side, close to the main exhaust passage, of the air plug passage under the action force of the second elastic part, and one end, far away from the sealing plug, of the sliding part is positioned in the lower chamber. Air in the pipeline is exhausted to the atmosphere from the main exhaust channel and the auxiliary exhaust channel through a gap between the steel ball and the pressing cap. When all air in the pipeline is discharged, water in the pipeline is pressed towards the steel balls, the steel balls move upwards under the pressure of the water and compress the first elastic part until the upper ends of the steel balls are attached to the sealing ring, and the main exhaust channel is in a closed state. When the steel ball moves upwards, the sliding part is pushed, moves to one side far away from the main exhaust channel and compresses the second elastic part. When the upper end of the steel ball is attached to the sealing ring, the sliding piece is jacked into the air plug channel, and the sealing plug is located at the position of the auxiliary exhaust channel to seal the lower end of the auxiliary exhaust channel. Thereby the whole exhaust valve realizes the function of automatic exhaust without water leakage.

The utility model discloses still further set up to: and a first guide angle is arranged on the edge of one end of the sealing plug, which is far away from the main exhaust passage.

Through above-mentioned technical scheme, the one end that the guiding angle one can make the sealing plug keep away from main exhaust passage removes to the function inslot better.

The utility model discloses still further set up to: and a second guide angle is arranged at the lower edge of one end, close to the main exhaust channel, of the sliding piece.

Through the technical scheme, the second guide angle can enable the steel ball to better push the sliding piece when moving upwards, and the sliding piece is pushed into the air plug channel.

The utility model discloses still further set up to: the sealing ring is a rubber ring, and the sealing plug is a rubber plug.

Through above-mentioned technical scheme, rubber circle and rubber buffer have good high low temperature resistance ability and corrosion resisting property.

The utility model discloses still further set up to: the first elastic piece and the second elastic piece are springs.

Through above-mentioned technical scheme, the spring can take place deformation under the exogenic action, can resume the original state again after removing the exogenic action.

The utility model discloses still further set up to: the number of the auxiliary exhaust passages is two, and the auxiliary exhaust passages are respectively positioned at the left side and the right side of the main exhaust passage.

Through above-mentioned technical scheme, a plurality of supplementary exhaust passage can accelerate the air in the pipeline and discharge from the pipeline.

The utility model discloses still further set up to: the inner diameter of the air plug passage is larger than that of the auxiliary exhaust passage.

Through above-mentioned technical scheme, the external diameter of sealing plug and the internal diameter of gas plug passageway are the same, and are greater than supplementary exhaust passage's internal diameter to when guaranteeing that the sealing plug removes to supplementary exhaust passage, can block supplementary exhaust passage completely, prevent to leak.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the body of the present invention;

FIG. 3 is a schematic view of the exhaust state of the present invention;

fig. 4 is a schematic view of the sealing state of the present invention.

The reference numbers in the figures mean: 1. a body; 2. a main exhaust passage; 3. an upper chamber; 4. a lower chamber; 5. a vent plug; 6. a seal ring; 7. a steel ball; 8. a first elastic part; 9. an auxiliary exhaust passage; 10. an air lock passage; 11. a slider; 12. a sealing plug; 13. a functional groove; 14. a second elastic piece; 15. a first guide angle; 16. a second guide angle; 17. and (5) pressing.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention will be described below with reference to fig. 1 to 4.

The utility model provides an exhaust valve for cleaning machine, includes body 1, and threaded hole is seted up to the bottom of body 1 to through screw thread fixed connection on the pipeline of high-pressure pump. The main exhaust passage 2 is arranged in the body 1, the main exhaust passage 2 comprises an upper chamber 3 and a lower chamber 4, the cross sections of the upper chamber 3 and the lower chamber 4 are both circular, and the inner diameter of the upper chamber 3 is smaller than that of the lower chamber 4. The top of the upper chamber 3 is provided with a vent plug 5, and air can be discharged outwards through the vent plug 5. The top of lower cavity 4 is provided with sealing washer 6, and sealing washer 6 is the rubber circle, and the material is silicon rubber, has good high low temperature resistance ability and corrosion resisting property. The bottom of the lower chamber 4 is provided with a press cap 17, and the press cap 17 is fixedly connected with the inner wall of the bottom of the lower chamber 4.

The lower chamber 4 is provided with a steel ball 7, the steel ball is positioned between the press cap 17 and the sealing ring 6, and the outer diameter of the steel ball is smaller than the inner diameter of the lower chamber 4, so that the steel ball can move in the lower chamber 4 between the sealing ring 6 and the press cap 17. An elastic piece I8 is arranged between the steel ball 7 and the exhaust plug 5, the elastic piece I8 is a spring, and the upper end and the lower end of the elastic piece I8 are fixedly connected with the bottom of the exhaust plug 5 and the upper end of the steel ball 7 respectively.

A plurality of vertically arranged auxiliary exhaust passages 9 are formed in the body 1, and the auxiliary exhaust passages 9 are arranged around the main exhaust passage 2. The number of the auxiliary exhaust passages 9 is two in the present embodiment, and they are respectively located on the left and right sides of the main exhaust passage 2. The inner wall of the lower chamber 4 is provided with air plug channels 10 which are the same as the auxiliary exhaust channels 9 in quantity and are horizontally arranged, and the height of the central position of each air plug channel 10 is the same as the height of the central position of the steel ball 7 when the upper end of the steel ball 7 is attached to the sealing ring 6. The air lock passage 10 communicates the main exhaust passage 2 and the auxiliary exhaust passage 9, and the inner diameter of the air lock passage 10 is larger than that of the auxiliary exhaust passage 9. A sliding piece 11 is arranged in the air plug channel 10, the sliding piece 11 is positioned on one side of the air plug channel 10 close to the main exhaust channel 2, and a second guide angle 16 is arranged on the lower edge of one end of the sliding piece 11 close to the main exhaust channel 2. The end of the slider 11 remote from the lower chamber 4 is fixedly connected with a sealing plug 12, the outer diameter of the sealing plug 12 is the same as the inner diameter of the air plug passage 10, and the sealing plug 12 and the slider 11 can move together in the air plug passage 10. The sealing plug 12 is a rubber plug made of silicon rubber and has good high and low temperature resistance and corrosion resistance. The edge of the end of the sealing plug 12 remote from the main venting channel 2 is provided with a guiding angle one 15.

The inner wall of the auxiliary exhaust passage 9, which is far away from the main exhaust passage 2, is provided with a functional groove 13, the functional groove 13 and the air plug passage 10 are positioned on the same straight line, and the inner diameter of the functional groove 13 is the same as that of the air plug passage 10. A second elastic part 14 is arranged between the sealing plug 12 and the inner wall of the functional groove 13, the second elastic part 14 is a spring, and two ends of the spring are respectively fixedly connected to the side wall of the sealing plug 12 away from the sliding part 11 and the inner wall of the functional groove 13.

When the high-pressure pump is started, the steel ball 7 stays at a position close to the press cap 17 under the action of the first elastic element 8, the sliding element 11 and the sealing plug 12 are positioned at one side of the air plug channel 10 close to the main exhaust channel 2 under the action of the second elastic element 14, and one end of the sliding element 11, far away from the sealing plug 12, is positioned in the lower chamber 4. Air in the pipeline is discharged to the atmosphere from the main exhaust channel 2 and the auxiliary exhaust channel 9 through the gap between the steel ball and the pressing cap 17. When all the air in the pipeline is discharged, water in the pipeline is pressed to the steel balls, the steel balls move upwards under the pressure of the water and compress the first elastic pieces 8 until the upper ends of the steel balls are attached to the sealing rings 6, and the main exhaust channel 2 is in a closed state. When the steel ball 7 moves upwards, the sliding part 11 is pushed, the sliding part 11 moves to the side far away from the main exhaust channel 2, and the second elastic part 14 is compressed. When the upper ends of the steel balls are attached to the sealing ring 6, the sliding piece 11 is pushed into the air plug channel 10, and the sealing plug 12 is located at the position of the auxiliary exhaust channel 9 to seal the lower end of the auxiliary exhaust channel 9. Thereby the whole exhaust valve realizes the function of automatic exhaust without water leakage.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an exhaust valve for cleaning machine, includes body (1), main exhaust passage (2), its characterized in that have been seted up to body (1) inside: the main exhaust passage (2) comprises an upper chamber (3) and a lower chamber (4), the inner diameter of the upper chamber (3) is smaller than that of the lower chamber (4), an exhaust plug (5) is arranged at the top of the upper chamber (3), a sealing ring (6) is arranged at the top of the lower chamber (4), a steel ball (7) is arranged in the lower chamber (4), an elastic piece I (8) is arranged between the steel ball (7) and the exhaust plug (5), the upper end and the lower end of the elastic piece I (8) are respectively fixedly connected with the exhaust plug (5) and the steel ball (7), a plurality of auxiliary exhaust passages (9) are formed in the body (1), air plug passages (10) which are the same as the auxiliary exhaust passages (9) in number and are horizontally arranged are formed in the inner wall of the lower chamber (4), and the air plug passages (10) are communicated with the main exhaust passage (2) and the auxiliary exhaust passages (9), be provided with slider (11) in air lock passageway (10), slider (11) are kept away from the one end fixedly connected with sealing plug (12) of lower cavity (4), supplementary exhaust passage (9) are kept away from the inner wall of main exhaust passage (2) is seted up and is had function groove (13), function groove (13) with air lock passageway (10) are located the collinear, be provided with elastic component two (14) between sealing plug (12) and function groove (13) inner wall.

2. The exhaust valve for a cleaning machine as claimed in claim 1, wherein: and a first guide angle (15) is arranged on the edge of one end, far away from the main exhaust channel (2), of the sealing plug (12).

3. The exhaust valve for a cleaning machine as claimed in claim 1, wherein: and a second guide angle (16) is arranged at the lower edge of one end, close to the main exhaust channel (2), of the sliding piece (11).

4. The exhaust valve for a cleaning machine as claimed in claim 1, wherein: the sealing ring (6) is a rubber ring, and the sealing plug (12) is a rubber plug.

5. The exhaust valve for a cleaning machine as claimed in claim 1, wherein: the first elastic piece (8) and the second elastic piece (14) are springs.

6. The exhaust valve for a cleaning machine as claimed in claim 1, wherein: the number of the auxiliary exhaust channels (9) is two, and the auxiliary exhaust channels are respectively positioned at the left side and the right side of the main exhaust channel (2).

7. The exhaust valve for a cleaning machine as claimed in claim 1, wherein: the inner diameter of the air plug passage (10) is larger than that of the auxiliary exhaust passage (9).