阅读说明：本技术 一种便于快速维修的阀门 (Valve convenient to quick maintenance ) 是由 裘铮浩 张效禹 于 2019-11-29 设计创作，主要内容包括：本发明涉及阀门制造技术领域,且公开了一种便于快速维修的阀门,包括球阀体,所述球阀体包括阀体、阀盖和阀杆,所述阀杆的底部安装有位于阀体内部的更换组件,所述阀体的底部设有用于拆卸更换组件的下阀槽；其中,所述更换组件包括中部套筒、内部套筒和球阀,所述中部套筒的一侧与阀体的内腔相接触,所述中部套筒的内部套设所述内部套筒,所述内部套筒与所述球阀相接触。该便于快速维修的阀门,需要更换阀球阀座时,只需拆掉安装组件将更换组件从阀体内取出,之后取出更换组件内的内部套筒以及球阀进行更换即可,不需要将阀门从管道上取出即可进行更换,更换过程简单快捷。(The invention relates to the technical field of valve manufacturing, and discloses a valve convenient for quick maintenance, which comprises a ball valve body, wherein the ball valve body comprises a valve body, a valve cover and a valve rod, a replacing component positioned in the valve body is installed at the bottom of the valve rod, and a lower valve groove used for detaching the replacing component is arranged at the bottom of the valve body; wherein, it includes middle part sleeve, inside sleeve and ball valve to change the subassembly, the telescopic one side in middle part contacts with the inner chamber of valve body, the telescopic inside cover in middle part is established inside sleeve, inside sleeve with the ball valve contacts. This valve convenient to quick maintenance when valve ball disk seat need be changed, only need pull down the installation component and will change the subassembly and take out from the valve body, later take out change the subassembly in inside sleeve and the ball valve change can, need not take out the valve from the pipeline and can change, the change process is simple swift.)

1. A valve convenient to quick maintenance, includes ball valve body (100), ball valve body (100) includes valve body (101), valve gap (102) and valve rod (103), its characterized in that: the bottom of the valve rod (103) is provided with a replacement assembly (200) positioned inside the valve body (101), and the bottom of the valve body (101) is provided with a lower valve groove (101a) for detaching the replacement assembly (200);

the replacement assembly (200) comprises a middle sleeve (202), an inner sleeve (203) and a ball valve (204), one side of the middle sleeve (202) is in contact with an inner cavity of the valve body (101), the inner sleeve (203) is sleeved inside the middle sleeve (202), and the inner sleeve (203) is in contact with the ball valve (204).

2. The valve for facilitating quick service according to claim 1, wherein: the replacement assembly (200) further comprises an outer sleeve (201), and the middle sleeve is sleeved inside the outer sleeve (201);

the top of the outer sleeve (201) is provided with a through hole (201a), and the bottom end of the valve rod (103) penetrates through the through hole (201a) to be connected with the top of the ball valve (204).

3. A valve to facilitate quick service according to claim 1 or 2, wherein: the middle sleeve (202) is divided into an outer cylinder (202a) and an inner ring (202b), one end of the inner cavity of the outer cylinder (202a) is fixed with the inner ring (202b), the inner sleeve (203) is divided into a valve seat (203a) and an extension cylinder (203b), and the valve seat (203a) is fixed with the extension cylinder (203 b);

the inner cavity of the outer cylinder (202a) is sleeved with the valve seat (203a), and the extension cylinder (203b) is sleeved inside the inner ring (202 b);

the inner cavity of the outer cylinder (202a) is provided with a return spring (205), the extension cylinder (203b) is sleeved inside the return spring (205), one end of the return spring (205) is in contact with the side surface of the inner ring (202b), and the other end of the return spring is in contact with the valve seat (203 a).

4. A valve for facilitating quick service according to claim 3, wherein: a first sealing ring (202a-1) is arranged on the side face of the outer cylinder (202a), the first sealing ring (202a-1) is in contact with the inner cavity of the valve body (101), an installation groove (202a-2) is formed in the outer surface of the outer cylinder (202a), and the installation groove (202a-2) is matched with the bottom of the outer sleeve (201).

5. The valve for facilitating quick service of claim 4, wherein: the outer surface of the valve seat (203a) is provided with a groove, a second sealing ring (203a-1) is installed in the groove, and the second sealing ring (203a-1) is in contact with the inner cavity of the outer cylinder (202 a).

6. A valve for facilitating rapid maintenance according to any one of claims 1, 2, 4 or 5, wherein: the lower valve groove (101a) is internally provided with a mounting assembly (300), and the top of the mounting assembly (300) is in contact with the outer sleeve (201).

7. The valve for facilitating quick service of claim 6, wherein: the mounting assembly (300) comprises a base (301) and a support (302), wherein the base (301) is connected with the support (302);

wherein the base (301) is mounted on the bottom of the valve body (101) through a bolt (400), and the top of the support (302) passes through the lower valve groove (101a) to be in contact with the bottom of the outer sleeve (201).

8. The valve for facilitating quick service of claim 7, wherein: the supporting piece (302) comprises a top barrel (302a), a bottom barrel (302b) and a supporting spring (302c), the top barrel (302a) is sleeved inside the bottom barrel (302b), the top of the top barrel (302a) is in contact with a groove (201b) in the bottom of an external sleeve (201), one end of the supporting spring (302c) is connected with the top of an inner cavity of the top barrel (302a), and the other end of the supporting spring is connected with the bottom of the inner cavity of the bottom barrel (302 b).

Technical Field

The invention relates to the technical field of valve manufacturing, in particular to a valve convenient to maintain quickly.

Background

The valve is a control device which is installed on a pipeline and used for controlling liquid or gas to flow, the existing spherical valve mainly comprises a valve body, valve seats, a valve ball, a valve rod and a valve cover, the valve ball rotates between the two valve seats in the using process, and a sealing gasket between the valve ball and the valve seats is easily abraded in the past, so that the sealing performance of the valve body is reduced, the leakage phenomenon is easily caused, and at the moment, a worker is required to take out the valve ball and the valve seats to replace the valve ball and the valve seats.

However, it is very difficult for people to take out the valve seat and the valve ball from the valve body directly, because there are two valve seats in the existing ball valve, the one end that two valve seats are far away from each other is in the passageway in the direct embedding valve body, and the ball valve is located between two valve seats, people need utilize special tool to promote two valve seats in the valve body, make two valve seats keep away from each other and take out the valve ball, the valve ball takes out the successor and takes out the valve seat, and, still need to dismantle structures such as valve rod and valve gap before getting valve ball and valve seat, it is very loaded down with trivial details to disassemble the process, make the change process of valve ball and valve seat very troublesome.

Disclosure of Invention

The invention provides a valve convenient for quick maintenance, which has the advantage of being convenient for quick replacement of a valve ball and a valve seat, and solves the problems that when the valve is installed on a pipeline, if people want to directly take the valve seat and the valve ball out of a valve body, the people need to utilize a special tool to push two valve seats in the valve body, the two valve seats are mutually far away, the distance between the two valve seats is larger than the diameter of the valve ball, the valve ball can be taken out, the valve seat is continuously taken out after the valve ball is taken out, structures such as the valve rod, a valve cover and the like need to be disassembled before the valve ball and the valve seat are taken out, the disassembling process is very complicated, and the replacing process of the valve ball and the valve seat is very troublesome.

The invention provides the following technical scheme: a valve convenient for quick maintenance comprises a ball valve body, wherein the ball valve body comprises a valve body, a valve cover and a valve rod, a replacing assembly positioned in the valve body is installed at the bottom of the valve rod, and a lower valve groove used for detaching the replacing assembly is formed in the bottom of the valve body; wherein, it includes middle part sleeve, inside sleeve and ball valve to change the subassembly, the telescopic one side in middle part contacts with the inner chamber of valve body, the telescopic inside cover in middle part is established inside sleeve, inside sleeve with the ball valve contacts.

Preferably, the replacement assembly further comprises an outer sleeve, and the middle sleeve is sleeved inside the outer sleeve; the top of the external sleeve is provided with a through hole, and the bottom end of the valve rod penetrates through the through hole to be connected with the top of the ball valve.

Preferably, the middle sleeve is divided into an outer sleeve and an inner ring, one end of the inner cavity of the outer sleeve is fixed with the inner ring, the inner sleeve is divided into a valve seat and an extension cylinder, and the valve seat is fixed with the extension cylinder; the valve seat is sleeved in the inner cavity of the outer cylinder, and the extension cylinder is sleeved in the inner ring; the inner cavity of the outer barrel is provided with a return spring, the extension barrel is sleeved inside the return spring, one end of the return spring is in contact with the side face of the inner ring, and the other end of the return spring is in contact with the valve seat.

Preferably, the side of the outer barrel is provided with a first sealing ring, the first sealing ring is in contact with the inner cavity of the valve body, the outer surface of the outer barrel is provided with a mounting groove, and the mounting groove is matched with the bottom of the outer sleeve.

Preferably, the outer surface of the valve seat is provided with a groove, a second sealing ring is installed in the groove, and the second sealing ring is in contact with the inner cavity of the outer barrel.

Preferably, a mounting assembly is mounted inside the lower valve spool, and the top of the mounting assembly is in contact with the outer sleeve.

Preferably, the mounting assembly comprises a base and a support, and the base is connected with the support; the base is installed at the bottom of the valve body through bolts, and the top of the supporting piece penetrates through the lower valve groove to be in contact with the bottom of the outer sleeve.

Preferably, the support member includes a top tube, a bottom tube and a support spring, the top tube is sleeved inside the bottom tube, the top of the top tube contacts with the groove at the bottom of the external sleeve, one end of the support spring is connected with the top of the inner cavity of the top tube, and the other end of the support spring is connected with the bottom of the inner cavity of the bottom tube.

The invention has the following beneficial effects:

1. this valve convenient to quick maintenance when valve ball disk seat need be changed, only need pull down the installation component and will change the subassembly and take out from the valve body, later take out change the subassembly in inside sleeve and the ball valve change can, need not take out the valve from the pipeline and can change, the change process is simple swift.

2. This valve convenient to quick maintenance sets up the mounting groove through the surface at the urceolus, set up the perforation in outside telescopic bottom, the change back that finishes, people only need utilize the bolt to pass the mounting groove and perforate, distance between one side can be less than the distance between the outside sleeve left and right sides is kept away from mutually to two middle part sleeves this moment, distance between the outside sleeve left and right sides is less than the distance between the interior chamber left and right sides of valve body, therefore, the staff of being convenient for will change the inside of subassembly installation to the valve body.

Drawings

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

FIG. 2 is a schematic view of the structure of the passage of the inner chamber of the valve body according to the present invention

FIG. 3 is a schematic view of the internal structure of the exchange assembly of the present invention;

FIG. 4 is a schematic view of the construction of the outer sleeve of the present invention;

FIG. 5 is a schematic view of the combination of the inner sleeve, the inner sleeve and the return spring of the present invention;

fig. 6 is a schematic structural view of the mounting assembly of the present invention.

In the figure: 100-a ball valve body; 101-a valve body; 101 a-lower valve spool; 101 b-a chamber; 101 c-channel; 102-a valve cover; 103-a valve stem; 200-replacing the component; 201-an outer sleeve; 201 a-perforation; 201 b-grooves; 201 c-mounting holes; 202-middle sleeve; 202 a-outer barrel; 202 a-1-first seal ring; 202 a-2-mounting groove; 202 b-inner ring; 203-an inner sleeve; 203 a-valve seat; 203 a-1-second seal ring; 203 b-an extension cylinder; 204-ball valve; 205-a return spring; 300-mounting the assembly; 301-a base; 301 a-third seal ring; 302-a support; 302 a-top cylinder; 302 b-bottom cylinder; 302 c-support spring; 400-bolt.

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.