CN215981099U

CN215981099U - High-pressure control valve cover structure

Info

Publication number: CN215981099U
Application number: CN202122086523.0U
Authority: CN
Inventors: 张海燕
Original assignee: Changshu Paifeite Casting Co ltd
Current assignee: Changshu Paifeite Casting Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-08
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the field of valves, specifically be a high pressure control valve gap structure, including control valve and apron, be provided with fixed subassembly on the apron, fixed subassembly includes the fixing base, is provided with the valve rod on the apron, and in the valve rod passed the apron and gos deep into the control valve, be provided with clamping mechanism on the fixing base, clamping mechanism is including first semi-ring clamping piece and the second semi-ring clamping piece that encircle the valve rod annular setting. According to the utility model, by arranging the clamping mechanism which comprises the first semi-annular clamping piece and the second semi-annular clamping piece which are annularly arranged around the valve rod, the valve rod can be clamped, the sealing property is increased, and the leakage is prevented.

Description

High-pressure control valve cover structure

Technical Field

The utility model relates to the field of valves, specifically a high pressure control valve gap structure.

Background

Along with the development of society, the living standard of people is also continuously improved, valves are often needed in life, control valves are mainly used for cutting off or connecting liquid media in valve bodies and can also be used for adjusting and controlling the liquid media, the valves can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, the valves are widely applied in life, and the control valves comprise ball valve bodies, ball cores, valve rods and sealing rings;

the control valve body generally needs to be set into the structure of components of a whole that can function independently, so that pack the ball core into the valve body in, consequently the ball valve body is including the valve body of settling the ball core and the valve gap of arranging the valve body both sides in, traditional valve structure is simple, and the operation is very inconvenient, the valve gap and the valve body threaded connection of traditional high-pressure control valve, set up the internal screw thread hole on the valve body, outer wall spiro union through this internal screw thread hole and valve gap, the clearance that probably exists can lead to liquid extremely easily to produce the leakage in the ball valve at high pressure in-process in threaded connection, traditional valve simple structure, and the operation is very inconvenient, so, according to this situation, need design a high-pressure control valve gap structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-pressure control valve cover structure which is arranged on a valve body through a structure on a cover plate, so that the high-pressure control valve cover structure not only has a good sealing effect, but also is convenient to install and disassemble.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high pressure control valve gap structure, includes control valve and apron, be provided with fixed subassembly on the apron, fixed subassembly includes the fixing base, be provided with the valve rod on the apron, the valve rod passes in the apron gos deep into the control valve, be provided with clamping mechanism on the fixing base, clamping mechanism is including encircleing first semi-ring clamping piece and the second semi-ring clamping piece that the valve rod annular set up.

Through adopting above-mentioned technical scheme, through setting up clamping mechanism, clamping mechanism includes encircleing the valve rod ring shape sets up first semi-ring clamping piece and second semi-ring clamping piece can press from both sides tight valve rod, prevents to reveal.

The utility model is further configured to: clamping mechanism still includes the rectangle piece, link up the setting in the middle of the rectangle piece, the rectangle piece with the fixing base is connected, first semicircular clamping piece and second semicircular clamping piece set up in the rectangle piece, first semicircular clamping piece and second semicircular clamping piece symmetry set up the both sides of valve rod, first semicircular clamping piece is connected with first mounting, second semicircular clamping piece is connected with the second mounting, the through-hole has been seted up to the lateral wall of rectangle piece, first mounting with the second mounting is seted up threaded hole.

Through adopting above-mentioned technical scheme, clamping mechanism still includes rectangle piece, first semicircular clamping piece, second semicircular clamping piece, first mounting and second mounting, and threaded hole is seted up to first mounting and second mounting, through the screw hole, presss from both sides tight first semicircular clamping piece and second semicircular clamping piece, prevents to reveal.

The utility model is further configured to: the valve rod is sleeved with an elastic ring, and the elastic ring is arranged between the first semi-annular clamping piece and the second semi-annular clamping piece.

Through adopting above-mentioned technical scheme, through setting up the elastic ring, increase the leakproofness, prevent that liquid or gas in the control valve from revealing.

The utility model is further configured to: the outer arc surface of the first semicircular clamping piece and the inner side wall of the rectangular block are provided with a first spring, and the outer arc surface of the second semicircular clamping piece and the inner side wall of the rectangular block are provided with a second spring.

Through adopting above-mentioned technical scheme, through setting up first spring and second spring, when first semicircular clamping piece and second semicircular clamping piece do not press from both sides through the screw hole, separate under the elastic action of spring at first semicircular clamping piece and second semicircular clamping piece.

The utility model is further configured to: the fixing assembly further comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are connected with the fixing seat, and the first connecting piece and the second connecting piece are symmetrically arranged on two sides of the valve rod.

Through adopting above-mentioned technical scheme, set up first connecting piece and second connecting piece through the both sides at the valve rod, increase fixed subassembly's steadiness.

The utility model is further configured to: the one end that the fixing base was kept away from to first connecting piece is connected with first half retainer plate, the one end that the fixing base was kept away from to the second connecting piece is connected with second half retainer plate, first half retainer plate is connected with the third mounting, second half retainer plate is connected with the fourth mounting, the third mounting with the fourth mounting set up threaded hole.

Through adopting above-mentioned technical scheme, through setting up half first retainer plate, half second retainer plate, third mounting and fourth mounting, increase fixed subassembly's steadiness, the valve rod that stabilizes simultaneously, also convenient dismantlement.

The utility model is further configured to: be close to the top cover on the valve rod and be equipped with spacing bolt, be close to spacing bolt cover on the valve rod and be equipped with the dwang.

Through adopting above-mentioned technical scheme, through setting up the dwang, conveniently rotate the valve rod.

The utility model is further configured to: the bottom of the fixing seat is provided with a plurality of supporting blocks, and the first connecting piece and the second connecting piece are back to the valve rod, and one side of the valve rod is provided with a reinforcing rib.

Through adopting above-mentioned technical scheme, through setting up supporting shoe and strengthening rib, increase the steadiness of fixing base.

The utility model is further configured to: the edge of the cover plate is provided with a plurality of through holes, the valve body of the control valve is correspondingly provided with a plurality of through holes, and the cover plate is connected with the flange bolt of the valve body through the through holes.

Through adopting above-mentioned technical scheme, set up a plurality of through-hole through the apron, the apron passes through the through-hole and is connected with the control valve body.

Compared with the prior art, the utility model provides a high-pressure control valve cover structure, which has the following beneficial effects:

1. according to the utility model, by arranging the clamping mechanism which comprises the first semi-annular clamping piece and the second semi-annular clamping piece which are annularly arranged around the valve rod, the valve rod can be clamped, the sealing property is increased, and leakage is prevented;

2. according to the utility model, the first connecting piece, the second connecting piece, the first half fixing ring, the second half fixing ring, the third fixing piece and the fourth fixing piece are arranged, so that the stability of the fixing assembly is improved, the valve rod is stabilized, and the disassembly is convenient;

3. according to the utility model, the rotating rod is arranged, the valve rod is convenient to rotate, and the stability of the fixing seat is improved by arranging the supporting block and the reinforcing ribs.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a control valve; 2. a cover plate; 3. a fixing assembly; 31. a fixed seat; 32. a first connecting member; 321. a first half retainer ring; 322. a third fixing member; 33. a second connecting member; 331. a second half retainer ring; 332. a fourth fixing member; 34. a support block; 35. reinforcing ribs; 4. a valve stem; 5. a clamping mechanism; 51. a first semi-annular clamping member; 52. a second semi-annular clamping member; 53. a rectangular block; 54. a first fixing member; 55. a second fixing member; 56. a first spring; 57. a second spring; 58. an elastic ring; 6. a limit bolt; 7. rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In an embodiment, referring to fig. 1 to 4, a high-pressure control valve cover structure is shown in fig. 1, and includes a control valve 1 and a cover plate 2, where the edge of the cover plate 2 is provided with a plurality of through holes, a valve body of the control valve 1 is correspondingly provided with a plurality of through holes, the cover plate 2 is fixedly connected with a flange bolt of the valve body through the through holes, the middle of the cover plate 2 is provided with a through hole, the cover plate 2 is provided with a valve rod 4, the through hole is used for the valve rod 4 to pass through, the valve rod 4 penetrates through the cover plate 2 and extends into the control valve 1, the cover plate 2 is provided with a fixing component 3, the fixing component 3 is used for fixing the valve rod 4, and the sealing performance between the valve rod 4 and the control valve 1 is further enhanced, so as to prevent gas and liquid in the control valve 1 from leaking;

as shown in fig. 1 to 4, the fixing assembly 3 includes a fixing seat 31, a plurality of supporting blocks 34 are disposed on the bottom of the fixing seat 31, reinforcing ribs 35 are disposed on the surfaces of the first connecting member 32 and the second connecting member 33 opposite to the valve rod 4, the fixing seat is increased in stability by disposing the supporting blocks 34 and the reinforcing ribs 35, a clamping mechanism 5 is disposed on the fixing seat 31, the clamping mechanism 5 includes a first semi-annular clamping member 51 and a second semi-annular clamping member 52 annularly disposed around the valve rod 4, the clamping mechanism 5 further includes a rectangular block 53, the middle of the rectangular block 53 is through disposed, the rectangular block 53 is connected to the fixing seat 31, the first semi-annular clamping member 51 and the second semi-annular clamping member 52 are disposed in the rectangular block 53, the first semi-annular clamping member 51 and the second semi-annular clamping member 52 are symmetrically disposed on two sides of the valve rod 4, the first semi-annular clamping member 51 is connected to a first fixing member 54, the second semi-annular clamping piece 52 is connected with a second fixing piece 55, the side wall of the rectangular block 53 is provided with a through hole, the first fixing piece 54 and the second fixing piece 55 penetrate through the through hole, the first fixing piece 54 and the second fixing piece 55 can slide on the through hole, the first fixing piece 54 and the second fixing piece 55 are provided with threaded holes, the first fixing piece 54 and the second fixing piece 55 can be connected together through the threaded holes by bolts, the first semi-annular clamping piece 51 and the second semi-annular clamping piece 52 can clamp and surround the valve rod 4, the sealing performance is improved, liquid or gas in the control valve is prevented from leaking, the valve rod 4 is sleeved with an elastic ring 58, the material of the elastic ring 58 can be rubber, silica gel and the like, the elastic ring 58 is arranged between the first semi-annular clamping piece 51 and the second semi-annular clamping piece 52, the sealing performance can be further improved by arranging the elastic ring 58, and liquid or gas in the control valve is prevented from leaking, a first spring 56 is arranged between the outer arc surface of the first semi-annular clamping piece 51 and the inner side wall of the rectangular block 53, a second spring 57 is arranged between the outer arc surface of the second semi-annular clamping piece 52 and the inner side wall of the rectangular block 53, and by arranging the first spring 56 and the second spring 57, when the first semi-annular clamping piece 51 and the second semi-annular clamping piece 52 are not clamped through threaded holes, the first semi-annular clamping piece 51 and the second semi-annular clamping piece 52 are separated under the elastic action of the springs;

as shown in fig. 1 and 2, the fixing assembly 3 further includes a first connecting member 32 and a second connecting member 33, the first connecting member 32 and the second connecting member 33 are connected to the fixing base 31, the first connecting member 32 and the second connecting member 33 are symmetrically disposed on both sides of the valve rod 4, one end of the first connecting member 32 away from the fixing base 31 is connected to the first half fixing ring 321, one end of the second connecting member 33 away from the fixing base 31 is connected to the second half fixing ring 331, the first half fixing ring 321 is connected to the third fixing member 322, the second half fixing ring 331 is connected to the fourth fixing member 332, the third fixing member 322 and the fourth fixing member 332 are provided with threaded holes, the first connecting member 32 and the second connecting member 33 have elasticity, under the action of the elasticity, the first half fixing ring 321 and the second half fixing ring 331 are opened, and through the threaded holes, the first half fixing ring 321 and the second half fixing ring 331 can be connected together, the function of fixing the valve rod 4 is achieved, and the stability of the fixing component 3 is improved;

as shown in figure 1, be close to the top cover on the valve rod 4 and be equipped with limit bolt 6, be close to limit bolt cover on the valve rod 4 and be equipped with dwang 7, through setting up dwang 7, conveniently rotate valve rod 4.

The working principle is as follows: in the utility model, the cover plate 2 is fixedly connected with a flange bolt of a valve body through a through hole, the valve rod 4 penetrates through the cover plate 2 and goes deep into the control valve 1, the third fixing member 322 and the fourth fixing member 332 can be fixed together through threaded holes of the third fixing member 322 and the fourth fixing member 332 by bolts, the first semi-fixing ring 321 and the second semi-fixing ring 331 form a complete circle and can fix the valve rod 4, the first fixing member 54 and the second fixing member 55 can be fixed together through threaded holes of the first fixing member 54 and the second fixing member 55 by bolts, the first semi-annular clamping member 51 and the second semi-annular clamping member 52 form a complete circle, the elastic ring 58 is arranged between the first semi-annular clamping member 51 and the second semi-annular clamping member 52, the sealing performance is improved, the liquid or gas in the control valve is prevented from leaking, and the rotating rod 7 is rotated to facilitate the rotation of the valve rod 4.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high pressure control valve gap structure, includes control valve (1) and apron (2), its characterized in that: be provided with fixed subassembly (3) on apron (2), fixed subassembly (3) are including fixing base (31), be provided with valve rod (4) on apron (2), valve rod (4) pass apron (2) and go deep into in control valve (1), be provided with clamping mechanism (5) on fixing base (31), clamping mechanism (5) are including encircleing first semicircular clamping piece (51) and second semicircular clamping piece (52) that valve rod (4) annular set up.

2. A high pressure control valve cover structure as defined in claim 1, wherein: clamping mechanism (5) still includes rectangular block (53), link up the setting in the middle of rectangular block (53), rectangular block (53) with fixing base (31) are connected, first semi-ring clamping piece (51) and second semi-ring clamping piece (52) set up in rectangular block (53), first semi-ring clamping piece (51) and second semi-ring clamping piece (52) symmetry set up the both sides of valve rod (4), first semi-ring clamping piece (51) are connected with first mounting (54), second semi-ring clamping piece (52) are connected with second mounting (55), the through-hole has been seted up to the lateral wall of rectangular block (53), first mounting (54) with the screw hole has been seted up to second mounting (55).

3. A high pressure control valve cover structure as defined in claim 2, wherein: an elastic ring (58) is sleeved on the valve rod (4), and the elastic ring (58) is arranged between the first semi-annular clamping piece (51) and the second semi-annular clamping piece (52).

4. A high pressure control valve cover structure as defined in claim 2, wherein: the first semi-ring clamping piece (51) extrados with be equipped with first spring (56) between rectangle piece (53) inside wall, second semi-ring clamping piece (52) extrados with be equipped with second spring (57) between rectangle piece (53) inside wall.

5. A high pressure control valve cover structure as defined in claim 1, wherein: the fixing assembly (3) further comprises a first connecting piece (32) and a second connecting piece (33), the first connecting piece (32) and the second connecting piece (33) are connected with the fixing seat (31), and the first connecting piece (32) and the second connecting piece (33) are symmetrically arranged on two sides of the valve rod (4).

6. A high pressure control valve cover structure as defined in claim 5, wherein: keep away from first connecting piece (32) the one end of fixing base (31) is connected with first half retainer plate (321), keep away from second connecting piece (33) the one end of fixing base (31) is connected with half retainer plate (331) of second, first half retainer plate (321) are connected with third mounting (322), half retainer plate (331) of second is connected with fourth mounting (332), third mounting (322) with fourth mounting (332) set up threaded hole.

7. A high pressure control valve cover structure as defined in claim 1, wherein: be close to the top cover on valve rod (4) and be equipped with stop bolt (6), be close to stop bolt cover on valve rod (4) and be equipped with dwang (7).

8. A high pressure control valve cover structure as defined in claim 5, wherein: the bottom of the fixed seat (31) is provided with a plurality of supporting blocks (34), and the first connecting piece (32) and the second connecting piece (33) are back to the valve rod (4) and provided with reinforcing ribs (35).

9. A high pressure control valve cover structure as defined in claim 1, wherein: the edge of the cover plate (2) is provided with a plurality of through holes, the valve body of the control valve (1) is correspondingly provided with a plurality of through holes, and the cover plate (2) is connected with the flange bolt of the valve body through the through holes.