CN212775655U

CN212775655U - Pneumatic descaling valve

Info

Publication number: CN212775655U
Application number: CN202021070744.8U
Authority: CN
Inventors: 刘胡; 李勇; 李德喜
Original assignee: Hunan Hengwei Engineering Technology Co ltd
Current assignee: Hunan Hengwei Engineering Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-23
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a pneumatic descaling valve relates to high pressure water pump technical field. The utility model provides a pneumatic descaling valve, includes the cylinder, one side fixed mounting of cylinder has the assembly of admitting air, and the inside fixed mounting of cylinder has the cylinder activity body, the inside central point fixedly connected with guide pillar of cylinder, and the bottom four corners fixedly connected with double-screw bolt of cylinder, lid in the double-screw bolt bottom fixedly connected with, and the central point of the inside of well lid puts fixed mounting has the second uide bushing, the bottom contact of second uide bushing has the supporting position cover. The utility model discloses a setting of cylinder, case, main return line pipe and other return line pipe for this descaling valve operation is very simple, and when the system descales, the assembly that admits air inputs the high pressure gas to the cylinder epicoele, makes the case move down, closes other return line pipe, makes main return line pipe be in the high pressure state of descaling, and when the system did not descale, the assembly that admits air pours into the high pressure gas into to the cylinder cavity of resorption, and the case moves up, makes main return line pipe release.

Description

Pneumatic descaling valve

Technical Field

The utility model relates to a high pressure water pump technical field specifically is a pneumatic descaling valve.

Background

The descaling is to remove the scale on the surface of the billet steel to avoid pressing into the surface to generate defects, thereby improving the surface quality of the product, the main tools are a descaling machine and high-pressure water, in order to solve the problem, various descaling methods are adopted at home and abroad, compared with the prior art, the high-pressure water descaling technology has the advantages of wide steel variety application range, high descaling rate, low comprehensive cost and the like, is widely applied to hot descaling and cold descaling, becomes the mainstream of the current descaling method, and has reliable descaling work and good descaling effect.

A high-pressure water pump is needed in the descaling process, and a descaling valve in the conventional high-pressure water pump is heavy in weight and complex in operation, so that the pneumatic descaling valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic descaling valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic descaling valve comprises an air cylinder, wherein an air inlet assembly is fixedly installed on one side of the air cylinder, an air cylinder movable body is fixedly installed inside the air cylinder, a guide pillar is fixedly connected to the center part inside the air cylinder, studs are fixedly connected to four corners of the bottom of the air cylinder, a middle cover is fixedly connected to the bottom of the studs, a second guide sleeve is fixedly installed at the center position inside the middle cover, a supporting and positioning sleeve is contacted with the bottom of the second guide sleeve, a first guide sleeve is contacted with the bottom of the supporting and positioning sleeve, an upper valve body flange is clamped and connected to the outer portion of the first guide sleeve, a valve body is fixedly connected to the bottom of the upper valve body flange, pipeline flanges are fixedly connected to two sides of the valve body respectively, a main loop pipe and a side loop pipe are fixedly connected to two sides of the valve body respectively through the pipeline flanges, and a connecting rod is fixedly connected to, the bottom fixedly connected with of connecting rod directly the tappet, the bottom outer wall contact of directly the tappet has the case position circle, case position circle top spiro union has the case nut, the outside fixedly connected with case of case position circle, the outside movable contact of case has the valve barrel, valve barrel fixed mounting is in the inside of valve body, the top contact of valve barrel has the position sleeve, the central point of valve body bottom puts swing joint has lower back cover, and adopts bolt fixedly connected with valve body lower flange dish bottom the valve body.

Preferably, the connecting rod is movably connected inside the supporting and positioning sleeve through a first guide sleeve and a second guide sleeve, four threaded columns are fixedly connected between the flange plate and the middle cover on the valve body, and the supporting and positioning sleeve is located in the center of the four threaded columns.

Preferably, the middle part of the valve body is provided with a middle inclined hole, the bottom of the valve body is provided with a lower inclined hole, the main loop pipe is matched with the middle inclined hole, the side loop pipe is matched with the lower inclined hole, and the main loop pipe and the side loop pipe are consistent in size.

Preferably, the outer walls of the top and the bottom of the valve sleeve are fixedly connected with rubber rings, and the valve sleeve, the valve core and the valve body are matched.

Preferably, the top and the bottom of the cylinder are both provided with threaded air holes, and the air inlet assembly is fixedly connected with the cylinder through an air pipe and the threaded air holes.

Preferably, the lower flange plate of the valve body is matched with the upper flange plate of the valve body, the first guide sleeve is matched with the second guide sleeve, and the movable body of the cylinder is matched with the cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the pneumatic descaling valve has the advantages that the operation of the descaling valve is very simple through the arrangement of the air cylinder, the valve core, the main loop pipe and the bypass pipe, when a system descales, the air inlet assembly inputs high-pressure air to the upper cavity of the air cylinder to enable the valve core to move downwards, the bypass pipe is closed, the main loop pipe is in a high-pressure descaling state, when the system does not descale, the air inlet assembly injects the high-pressure air to the lower cavity of the air cylinder, the valve core moves upwards, and the main loop pipe is released.

(2) The utility model provides a pneumatic descaling valve, through the setting of guide pillar, connecting rod and straight tappet for the cylinder can directly control main return pipe and bypass return pipe, makes this descaling valve center be hollow structure basically simultaneously, and the effectual weight that alleviates the descaling valve makes this descaling valve quality lighter.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a lower flange of the valve body; 2. bottom sealing; 3. a valve body; 4. a main loop pipe; 5. a pipeline flange; 6. a valve housing; 7. a valve core; 8. a valve core positioning ring; 9. a spool nut; 10. a positioning sleeve; 11. a straight tappet; 12. the flange plate is arranged on the valve body; 13. a first guide sleeve; 14. a bypass pipe; 15. a supporting positioning sleeve; 16. a connecting rod; 17. a second guide sleeve; 18. a middle cover; 19. a guide post; 20. a stud; 21. a cylinder movable body; 22. a cylinder; 23. an air intake assembly.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a pneumatic descaling valve comprises a cylinder 22, wherein an air inlet assembly 23 is fixedly installed on one side of the cylinder 22, a cylinder movable body 21 is fixedly installed inside the cylinder 22, a guide pillar 19 is fixedly connected to the inner center part of the cylinder 22, studs 20 are fixedly connected to four corners of the bottom of the cylinder 22, a middle cover 18 is fixedly connected to the bottom of the stud 20, a second guide sleeve 17 is fixedly installed at the center position inside the middle cover 18, a supporting and positioning sleeve 15 is contacted with the bottom of the second guide sleeve 17, a first guide sleeve 13 is contacted with the bottom of the supporting and positioning sleeve 15, an upper valve body flange 12 is clamped outside the first guide sleeve 13, a valve body 3 is fixedly connected to the bottom of the upper valve body flange 12, pipeline flanges 5 are fixedly connected to two sides of the valve body 3 respectively, a main loop pipe 4 and a bypass loop pipe 14 are fixedly connected to two sides of the valve body 3 through the pipeline flanges 5 respectively, the bottom of guide pillar 19 is through snap ring fixedly connected with connecting rod 16, the straight tappet 11 of bottom fixedly connected with of connecting rod 16, the bottom outer wall contact of straight tappet 11 has

case position circle

8, 8 top spiro unions of case position circle have case nut 9, the outside fixedly connected with case 7 of case position circle 8, the outside movable contact of case 7 has

valve barrel

6, 6 fixed mounting of valve barrel are in the inside of valve body 3, the top contact of valve barrel 6 has position sleeve 10, the central point of 3 bottoms of valve body puts swing joint has lower back cover 2, and adopt bolt fixedly connected with valve body lower flange 1 bottom the valve body 3.

As shown in fig. 2, the connecting rod 16 is movably connected to the inside of the supporting and positioning sleeve 15 through a first guide sleeve 13 and a second guide sleeve 17, four threaded columns are fixedly connected between the flange 12 on the valve body and the middle cover 18, and the supporting and positioning sleeve 15 is located at the center of the four threaded columns.

As shown in fig. 2 and 3, a middle inclined hole is formed in the middle of the valve body 3, a lower inclined hole is formed in the bottom of the valve body 3, the main loop pipe 4 is matched with the middle inclined hole, the bypass pipe 14 is matched with the lower inclined hole, and the main loop pipe 4 and the bypass pipe 14 are consistent in size.

As shown in fig. 2, rubber rings are fixedly connected to the outer walls of the top and the bottom of the valve sleeve 6, and the valve sleeve 6, the valve core 7 and the valve body 3 are matched.

As shown in FIG. 1, the top and bottom of the cylinder 22 are both provided with threaded air holes, and the air inlet assembly 23 is fixedly connected with the cylinder 22 through an air pipe and the threaded air holes.

As shown in figure 2, the lower flange plate 1 of the valve body is matched with the upper flange plate 12 of the valve body, the first guide sleeve 13 is matched with the second guide sleeve 17, and the movable cylinder body 21 is matched with the cylinder 22.

The working principle is as follows: when needs use this utility model equipment to descale, at first through the assembly 23 of admitting air to the epicoele input high-pressure gas of cylinder 22, further high-pressure gas makes cylinder activity body 21 move down, further cylinder activity body 21 drives guide pillar 19 and moves down, further guide pillar 19 drives connecting rod 16 and moves down, further connecting rod 16 drives straight tappet 11 and moves down, further straight tappet 11 drives case 7 and moves down, further case 7 closes side loop pipe 14, make main loop pipe 4 be in the high pressure descale state, when the system does not descale, inject high-pressure gas into the cavity of resorption of cylinder 22 through the assembly 23 of admitting air, case 7 shifts up, make main loop pipe 4 release can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pneumatic descaling valve comprising a cylinder (22), characterized in that: an air inlet assembly (23) is fixedly mounted on one side of the air cylinder (22), an air cylinder movable body (21) is fixedly mounted inside the air cylinder (22), a guide pillar (19) is fixedly connected to the center inside the air cylinder (22), studs (20) are fixedly connected to four corners of the bottom of the air cylinder (22), a middle cover (18) is fixedly connected to the bottom of each stud (20), a second guide sleeve (17) is fixedly mounted at the center inside the middle cover (18), a supporting and positioning sleeve (15) is contacted with the bottom of the second guide sleeve (17), a first guide sleeve (13) is contacted with the bottom of the supporting and positioning sleeve (15), an upper valve body flange (12) is clamped outside the first guide sleeve (13), a valve body (3) is fixedly connected to the bottom of the upper valve body flange (12), and pipeline flanges (5) are fixedly connected to two sides of the valve body (3) respectively, and both sides of the valve body (3) are respectively and fixedly connected with a main loop pipe (4) and a bypass loop pipe (14) through a pipeline flange plate (5), the bottom of the guide post (19) is fixedly connected with a connecting rod (16) through a snap ring, the bottom of the connecting rod (16) is fixedly connected with a straight tappet (11), the outer wall of the bottom of the straight tappet (11) is contacted with a valve core positioning ring (8), the top of the valve core positioning ring (8) is screwed with a valve core nut (9), the outside of the valve core positioning ring (8) is fixedly connected with a valve core (7), the outside of the valve core (7) is movably contacted with a valve sleeve (6), the valve sleeve (6) is fixedly arranged in the valve body (3), the top of the valve sleeve (6) is contacted with a positioning sleeve (10), the center of the bottom of the valve body (3) is movably connected with a lower back cover (2), and the bottom of the valve body (3) is fixedly connected with a lower flange plate (1) of the valve body by bolts.

2. A pneumatic descaling valve according to claim 1, wherein: the connecting rod (16) is movably connected inside the supporting and positioning sleeve (15) through a first guide sleeve (13) and a second guide sleeve (17), four threaded columns are fixedly connected between the valve body upper flange plate (12) and the middle cover (18), and the supporting and positioning sleeve (15) is located in the center of the four threaded columns.

3. A pneumatic descaling valve according to claim 1, wherein: the middle inclined hole is formed in the middle of the valve body (3), the lower inclined hole is formed in the bottom of the valve body (3), the main loop pipe (4) is matched with the middle inclined hole, the side loop pipe (14) is matched with the lower inclined hole, and the main loop pipe (4) and the side loop pipe (14) are consistent in size.

4. A pneumatic descaling valve according to claim 1, wherein: the valve is characterized in that rubber rings are fixedly connected to the outer walls of the top and the bottom of the valve sleeve (6), and the valve sleeve (6), the valve core (7) and the valve body (3) are matched.

5. A pneumatic descaling valve according to claim 1, wherein: the top and the bottom of the air cylinder (22) are both provided with threaded air holes, and the air inlet assembly (23) is fixedly connected with the air cylinder (22) through an air pipe and the threaded air holes.

6. A pneumatic descaling valve according to claim 1, wherein: the valve body lower flange plate (1) is matched with the valve body upper flange plate (12), the first guide sleeve (13) is matched with the second guide sleeve (17), and the cylinder movable body (21) is matched with the cylinder (22).