CN210599630U

CN210599630U - Pneumatic control reversing valve capable of effectively reducing oil leakage

Info

Publication number: CN210599630U
Application number: CN201921213045.1U
Authority: CN
Inventors: 王召强; 王其毫
Original assignee: Qinghe County Yongfeng Auto Parts Mfg Co ltd
Current assignee: Qinghe County Yongfeng Auto Parts Mfg Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-22
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a gas accuse switching-over valve that can effectively reduce oil leakage volume, including valve body, venthole and fixed plate, the left side of valve body is provided with the end cap, and the junction of end cap and valve body is provided with first sealing washer, the right side of valve body is provided with the connecting piece, and the junction of connecting piece and valve body is provided with the second sealing washer, the venthole sets up in the top of valve body, and the outside of venthole is connected with and keeps off the lid, be connected with the cushion on the inner wall of amortization piece, the fixed plate is connected in the rear side of valve body, and the mounting hole has been seted up to the inside of fixed plate. This gas accuse switching-over valve that can effectively reduce oil leakage volume, the rear side of valve body is provided with the fixed plate, and has seted up the mounting hole on the fixed plate, can make the valve body be connected with hydraulic cylinder through the fixed plate like this to can reduce hydraulic tank's bearing capacity, make hydraulic tank's life extension, reduced a high pressure fuel pipe simultaneously, shortened the distance of lifting.

Description

Pneumatic control reversing valve capable of effectively reducing oil leakage

Technical Field

The utility model relates to a gas accuse switching-over valve technical field specifically is a gas accuse switching-over valve that can effectively reduce the oil leakage volume.

Background

The pneumatic control reversing valve is a main valve switched by taking an external air pressure signal as power, a control loop is reversed or opened and closed, the pneumatic control reversing valve has various types and the same use principle.

However, the existing pneumatic control reversing valve has some disadvantages in the use process, for example, the pneumatic control reversing valve is directly installed on a hydraulic oil tank, the high-pressure oil pipe is long, the lifting speed is low, and the oil leakage risk is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas accuse switching-over valve that can effectively reduce the oil leakage volume, gas accuse switching-over valve on the present market that the solution above-mentioned background art provided is direct mount on hydraulic tank, high pressure fuel pipe is long, lift slowly, the oil leak risk is big, when hydraulic tank appears rocking, can add the weight of gas accuse switching-over valve and disk seat, it is more serious to lead to hydraulic tank to rock like this, hydraulic tank's life has been shortened greatly, and the during operation can produce the noise, cause the problem to the pollution of surrounding environment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can effectively reduce gas accuse switching-over valve of oil leakage volume, includes valve body, venthole and fixed plate, the left side of valve body is provided with the end cap, and the junction of end cap and valve body is provided with first sealing washer, the right side of valve body is provided with the connecting piece, and the junction of connecting piece and valve body is provided with the second sealing washer, the venthole sets up in the top of valve body, and the outside of venthole is connected with the fender lid, the below of valve body is provided with the air inlet, and the left and right sides of air inlet all is provided with the blast pipe, the spacing groove has been seted up on the inner wall of blast pipe, and the spacing groove is connected with the amortization piece through the connecting block, be connected with the cushion on the inner wall of amortization piece.

Preferably, the connection mode of the plug and the valve body is bolt connection, and the plug is a ball expansion type high-pressure plug.

Preferably, the first sealing ring and the second sealing ring are bonded with the inner wall of the valve body, and the first sealing ring and the second sealing ring are O-shaped sealing rings.

Preferably, the connection mode of the blocking cover and the outer wall of the air outlet hole is threaded connection, and the blocking cover is made of transparent plastic materials.

Preferably, the connecting block and the silencing block are of an integrated structure, the silencing block forms a dismounting structure through limiting grooves formed in the inner walls of the connecting block and the exhaust pipe, and the silencing block is made of silencing cotton.

Preferably, the cushion block and the inner wall of the silencing block are connected in a bonding mode, the cushion block is made of rubber, and the cushion block and the silencing block are both circular rings.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic control reversing valve can effectively reduce the oil leakage,

(1) the rear side of the valve body is provided with the fixing plate, and the fixing plate is provided with the mounting hole, so that the valve body can be connected with the hydraulic oil cylinder through the fixing plate, the bearing capacity of the hydraulic oil tank can be reduced, the service life of the hydraulic oil tank is prolonged, a high-pressure oil pipe is reduced, and the lifting distance is shortened;

(2) the reversing valve is provided with the first sealing ring and the second sealing ring, so that when the reversing valve is used, the sealing performance of the whole reversing valve in use can be ensured, and the normal use of the reversing valve is further ensured;

(3) the silencing block is arranged in the exhaust pipe, silencing cotton is arranged in the silencing block, and the silencing block and a limiting groove formed in the inner wall of the exhaust pipe form a dismounting structure through the connecting block, so that when the reversing valve is used, noise can be effectively reduced, and influences on the surrounding environment are reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view structural diagram of the valve body and the fixing plate of the present invention;

FIG. 3 is a schematic view of the connection internal section structure of the valve body and the connecting member of the present invention;

fig. 4 is the schematic view of the connection internal structure of the exhaust pipe and the silencing block of the present invention.

In the figure: 1. a valve body; 2. a plug; 3. a first seal ring; 4. a connecting member; 5. a second seal ring; 6. an air outlet; 7. a blocking cover; 8. an air inlet; 9. an exhaust pipe; 10. a limiting groove; 11. connecting blocks; 12. a sound-deadening block; 13. cushion blocks; 14. a fixing plate; 15. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pneumatic control reversing valve capable of effectively reducing oil leakage comprises a valve body 1, a plug 2, a first sealing ring 3, a connecting piece 4, a second sealing ring 5, an air outlet hole 6, a baffle cover 7, an air inlet 8, an exhaust pipe 9, a limiting groove 10, a connecting block 11, a silencing block 12, a cushion block 13, a fixing plate 14 and a mounting hole 15, wherein the plug 2 is arranged on the left side of the valve body 1, the first sealing ring 3 is arranged at the joint of the plug 2 and the valve body 1, the connecting piece 4 is arranged on the right side of the valve body 1, the second sealing ring 5 is arranged at the joint of the connecting piece 4 and the valve body 1, the air outlet hole 6 is arranged above the valve body 1, the baffle cover 7 is connected to the outer side of the air outlet hole 6, the air inlet 8 is arranged below the valve body 1, the exhaust pipe 9 is arranged on the left side and the right side of the air inlet 8, the limiting groove 10 is, the inner wall of the silencing block 12 is connected with a cushion block 13, the fixing plate 14 is connected to the rear side of the valve body 1, and a mounting hole 15 is formed in the fixing plate 14;

the connection mode of the plug 2 and the valve body 1 is bolt connection, and the plug 2 is a ball expansion type high-pressure plug, so that the connection between the plug 2 and the valve body 1 is firmer, and the phenomenon of falling off in the use process is effectively prevented;

the first sealing ring 3, the second sealing ring 5 and the inner wall of the valve body 1 are bonded, and the first sealing ring 3 and the second sealing ring 5 are O-shaped sealing rings, so that the connection between the plug 2 and the connecting piece 4 and the valve body 1 has better sealing performance, and the normal use of the reversing valve is ensured;

the baffle cover 7 is in threaded connection with the outer wall of the air outlet 6, the baffle cover 7 is made of transparent plastic, and when the reversing valve is not used, the air outlet 6 is protected and shielded conveniently through the baffle cover 7, so that the entering of external impurities is reduced, and the normal use of the air outlet 6 in the later period is ensured;

the connecting block 11 and the silencing block 12 are of an integrated structure, the silencing block 12 forms a detachable structure through the connecting block 11 and a limiting groove 10 formed in the inner wall of the exhaust pipe 9, and the silencing block 12 is made of silencing cotton, so that when the reversing valve is used, noise can be effectively reduced, pollution to the surrounding environment is reduced, and the flexibility of the reversing valve is improved;

the cushion block 13 and the silencing block 12 are connected in a bonding mode, the cushion block 13 is made of rubber, the cushion block 13 and the silencing block 12 are both in a circular ring shape, the exhaust pipe 9 and an external pipeline can be attached more tightly, and the service efficiency of the reversing valve is further ensured.

The working principle is as follows: when the pneumatic reversing valve capable of effectively reducing oil leakage is used, as shown in a figure 1-2, firstly, a worker attaches a fixing plate 14 on the left side of a valve body 1 to a hydraulic oil cylinder, then inserts a prepared fixing bolt into a mounting hole 15 and screws the fixing bolt to be fixed with the outer wall of the hydraulic oil cylinder, so that the valve body 1 is connected with the hydraulic oil cylinder, compared with the traditional mounting mode, the bearing capacity of the hydraulic oil cylinder is reduced, the service life of the hydraulic oil cylinder is prolonged, and when the reversing valve is used, as shown in a figure 3, because a first sealing ring 3 is arranged at the joint between the valve body 1 and a plug 2, and a second sealing ring 5 is arranged at the joint between the valve body 1 and a connecting piece 4, the sealing performance of the reversing valve during use can be effectively ensured, and the normal use of the reversing valve is;

as shown in fig. 4, during the use of the reversing valve, the silencing block 12 is arranged inside the exhaust pipe 9, the silencing cotton is arranged inside the silencing block 12, and the silencing block 12 and the limiting groove 10 on the inner wall of the exhaust pipe 9 form a disassembly structure through the connecting block 11, so that the noise is effectively reduced, the pollution to the surrounding environment is reduced, and when the silencing block 12 is damaged, the disassembly and the replacement are convenient, the operation of a worker is convenient, and meanwhile, the cushion block 13 made of rubber materials is connected to the inner wall of the silencing block 12 in an adhering manner, so that the reversing valve can be attached to an external pipeline more tightly, the use efficiency of the reversing valve is further ensured, which is the work process of the whole device, and the content which is not described in detail in the specification belongs to the prior art known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can effectively reduce gas accuse switching-over valve of oil leakage volume, includes valve body (1), venthole (6) and fixed plate (14), its characterized in that: the left side of the valve body (1) is provided with a plug (2), a first sealing ring (3) is arranged at the joint of the plug (2) and the valve body (1), a connecting piece (4) is arranged at the right side of the valve body (1), a second sealing ring (5) is arranged at the joint of the connecting piece (4) and the valve body (1), the vent hole (6) is arranged above the valve body (1), a blocking cover (7) is connected with the outer side of the vent hole (6), an air inlet (8) is arranged below the valve body (1), exhaust pipes (9) are arranged on the left side and the right side of the air inlet (8), a limiting groove (10) is formed in the inner wall of each exhaust pipe (9), the limiting groove (10) is connected with a silencing block (12) through a connecting block (11), a cushion block (13) is connected on the inner wall of the silencing block (12), and the fixing plate (14) is connected to the rear side of, and the fixing plate (14) is internally provided with a mounting hole (15).

2. The pneumatic control reversing valve capable of effectively reducing oil leakage according to claim 1, is characterized in that: the plug (2) and the valve body (1) are connected in a bolt connection mode, and the plug (2) is a ball expansion type high-pressure plug.

3. The pneumatic control reversing valve capable of effectively reducing oil leakage according to claim 1, is characterized in that: the connection mode of the first sealing ring (3), the second sealing ring (5) and the inner wall of the valve body (1) is bonding, and the first sealing ring (3) and the second sealing ring (5) are O-shaped sealing rings.

4. The pneumatic control reversing valve capable of effectively reducing oil leakage according to claim 1, is characterized in that: the connection mode of the blocking cover (7) and the outer wall of the air outlet hole (6) is threaded connection, and the blocking cover (7) is made of transparent plastic.

5. The pneumatic control reversing valve capable of effectively reducing oil leakage according to claim 1, is characterized in that: the connecting block (11) and the silencing block (12) are of an integrated structure, the silencing block (12) forms a dismounting structure through the connecting block (11) and a limiting groove (10) formed in the inner wall of the exhaust pipe (9), and the silencing block (12) is made of silencing cotton.

6. The pneumatic control reversing valve capable of effectively reducing oil leakage according to claim 1, is characterized in that: the cushion block (13) and the inner wall of the silencing block (12) are connected in a bonding mode, the cushion block (13) is made of rubber, and the cushion block (13) and the silencing block (12) are both circular.