CN214305434U

CN214305434U - Integral type stop valve

Info

Publication number: CN214305434U
Application number: CN202120309491.3U
Authority: CN
Inventors: 王良明; 沈良丹; 张国庆
Original assignee: Jianeng Valve Co ltd
Current assignee: Jianeng Valve Co ltd
Priority date: 2020-11-26
Filing date: 2021-02-03
Publication date: 2021-09-28
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an integral type stop valve, which comprises a valve body, the top of valve body is provided with valve gap one, the inside card of valve gap one has adjusting screw, adjusting screw's top fixed mounting has the hand wheel, adjusting screw's bottom fixed mounting has valve rod one, valve rod one is close to the surface fixed mounting of upper end and has spring top ring one, the below of spring top ring one is provided with spring one, the bottom of spring one is provided with sealed piece one, the surface card of the bottom of valve rod one has the thread circle, the surface fixed mounting of thread circle has the valve clack. The utility model discloses a be provided with sealing washer and seal groove, the effectual leakproofness that has improved under the inside closed condition of valve body through setting up the ball case to make the valve body possess the function of the control flow rate simultaneously, reduced the manpower resources waste that a plurality of valves of installation caused, and alleviateed the material loss that causes because of the installation valve body simultaneously.

Description

Integral type stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is an integral type stop valve.

Background

The stop valve is one of the most widely used valves, and the stop valve enables a valve clack sealing surface to be tightly attached to a valve seat sealing surface by means of valve rod pressure so as to prevent a medium from flowing; the stop valve can be used for cutting off and flow regulation.

However, the existing stop valve has large fluid resistance, and is more laborious to open and close compared with valves such as a ball valve and the like, so that the flow is more troublesome to adjust; if the stop valve is frequently used for adjusting the flow, the valve clack is easy to wear, so that the flow cutting effect of the stop valve is reduced; thus, the existing requirements are not met, and an integrated stop valve is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated stop valve, which solves the problems that the prior stop valve proposed in the background art has larger fluid resistance, and the opening and closing of the prior stop valve are more laborious compared with valves such as a ball valve, so that the flow is more troublesome to adjust; and if frequently use the stop valve to adjust the flow, the valve clack produces wearing and tearing easily, leads to the stop flow effect of stop valve to reduce scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated stop valve comprises a valve body, wherein a first valve cover is arranged above the valve body, an adjusting screw rod is clamped inside the first valve cover, a hand wheel is fixedly mounted at the top end of the adjusting screw rod, a first valve rod is fixedly mounted at the bottom end of the adjusting screw rod, a first spring top ring is fixedly mounted on the outer surface of the first valve rod close to the upper end, a first spring is arranged below the first spring top ring, a first sealing block is arranged at the bottom end of the first spring, a threaded ring is clamped on the outer surface of the bottom end of the first valve rod, a valve clack is fixedly mounted on the outer surface of the threaded ring, a sealing groove is formed in the position of the inner wall of the valve body, which is positioned below the valve clack, an inlet pipe is fixedly mounted on one side of the outer surface of the valve body, a second valve cover is mounted on the other side of the outer surface of the valve body, a second valve rod is clamped in the middle of the second valve cover, and a second spring top ring is fixedly mounted on the position of the valve cover close to the top end faces of the second valve cover, a second spring is fixedly mounted on the side face of the second spring top ring, a second sealing block is arranged on one side, away from the second spring top ring, of the second spring, and a ball valve core is arranged on one side, away from the second spring, of the second sealing block.

Preferably, the outer edge of the lower end face of the valve clack is fixedly provided with a sealing ring, and the outer surface of the sealing ring is clamped in the sealing groove.

Preferably, the second valve rod and the ball valve core are of an integrally formed structure, the outer diameter of the ball valve core is larger than the diameter of the opening at the bottom end of the valve body, and a flange is fixedly mounted on the outer surface of the inlet pipe.

Preferably, the valve body and the inlet pipe are of an integrally formed structure, the valve body is fixedly connected with the first valve cover through a bolt, and the valve body is fixedly connected with the second valve cover through a bolt.

Preferably, the outer surface of the bottom end of the valve rod is provided with threads, and the outer surface of the bottom end of the valve rod is clamped inside the thread ring.

Preferably, the inner wall of the top end face of the valve cover is provided with threads, and the adjusting screw rod is clamped in the middle of the top end of the valve cover through the threads.

Compared with the prior art, the beneficial effects of the utility model are that: this integral type stop valve is through being provided with sealing washer and seal groove, the effectual leakproofness that has improved under the inside closed condition of valve body through setting up ball case to make the valve body possess the function of control flow rate simultaneously, reduced the manpower resources waste that a plurality of valves of installation caused, and alleviateed the material loss because of installing the valve body and causing simultaneously.

Drawings

Fig. 1 is a side view of the whole body of the present invention;

FIG. 2 is a second side view of the whole body of the present invention;

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

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a hand wheel; 2. adjusting the screw rod; 3. a first valve cover; 4. a flange; 5. a valve body; 6. a valve cover II; 7. a second valve rod; 8. a first spring top ring; 9. a first valve rod; 10. a valve flap; 11. a second spring top ring; 12. a second spring; 13. a second sealing block; 14. a ball valve core; 15. an inlet tube; 16. a first sealing block; 17. a first spring; 18. a thread ring; 19. a seal ring; 20. sealing the groove.

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: an integrated stop valve comprises a valve body 5, a valve cover I3 is arranged above the valve body 5, an adjusting screw rod 2 is clamped inside the valve cover I3, a hand wheel 1 is fixedly installed at the top end of the adjusting screw rod 2, a valve rod I9 is fixedly installed at the bottom end of the adjusting screw rod 2, a spring top ring I8 is fixedly installed on the outer surface, close to the upper end, of the valve rod I9, a spring I17 is arranged below the spring top ring I8, a sealing block I16 is arranged at the bottom end of the spring I17, a threaded ring 18 is clamped on the outer surface of the bottom end of the valve rod I9, a valve clack 10 is fixedly installed on the outer surface of the threaded ring 18, a sealing groove 20 is arranged at the position, below the valve clack 10, of the inner wall of the valve body 5, an inlet pipe 15 is fixedly installed on one side of the outer surface of the valve body 5, a valve cover II 6 is installed on the other side of the outer surface of the valve body 5, a valve rod II 7 is clamped in the middle of the valve cover 6, a spring top ring II 11 is fixedly installed at the position, close to the top end face of the valve cover II 6, a second spring 12 is fixedly mounted on the side surface of the second spring top ring 11, a second sealing block 13 is arranged on one side, away from the second spring top ring 11, of the second spring 12, and a ball valve core 14 is arranged on one side, away from the second spring 12, of the second sealing block 13.

The utility model discloses in: the outer edge of the lower end face of the valve clack 10 is fixedly provided with a sealing ring 19, and the outer surface of the sealing ring 19 is clamped inside a sealing groove 20, so that the sealing performance of the valve clack 10 and the inner wall of the valve body 5 in a closed state is enhanced.

The utility model discloses in: the second valve rod 7 and the ball valve core 14 are of an integrally formed structure, the outer diameter of the ball valve core 14 is larger than the diameter of an opening at the bottom end of the valve body 5, and the flange 4 is fixedly mounted on the outer surface of the inlet pipe 15, so that the ball valve core 14 is clamped inside the valve body 5.

The utility model discloses in: valve body 5 and inlet tube 15 are integrated into one piece structure, and valve body 5 passes through bolt fixed connection with valve gap 3, and valve body 5 and valve gap two 6 are through passing bolt fixed connection, improve the leakproofness of valve body 5 in the use.

The utility model discloses in: the outer surface of the bottom end of the first valve rod 9 is provided with threads, and the outer surface of the bottom end of the first valve rod 9 is clamped inside the threaded ring 18, so that the first valve rod 9 is connected with the valve clack 10 through the threaded ring 18, and a buffering effect can be achieved in the using process.

The utility model discloses in: the inner wall of the top end face of the first valve cover 3 is provided with threads, and the adjusting screw rod 2 is clamped in the middle of the top end of the first valve cover 3 through the threads, so that the valve clack 10 can be driven to move up and down through the first valve rod 9 when the adjusting screw rod 2 rotates inside the first valve cover 3.

The working principle is as follows: during the use, whether check valve body internals can normal use back, pass through bolt fixed connection with the opening and the outside pipeline of valve body 5 bottom, pass through flange 4 and outside pipe connection with inlet tube 15, liquid passes through the inside that inlet tube 15 got into valve body 5, the opening through valve body 5 below flows outward, can pass through rotation hand wheel 1 when the flow of liquid is blocked to needs, drive adjusting screw 2 and rotate, thereby make adjusting screw 2 drive valve clack 10 downstream through valve rod one 9 and whorl circle 18, make sealing washer 19 card in the inside of seal groove 20, thereby make the unable circulation of liquid that gets into from inlet tube 15, when only need adjusting the flow of liquid, only need rotate valve rod two 7, make valve rod two 7 drive ball case 14 and rotate, thereby play the effect of control liquid flow.

In summary, the following steps: through being provided with sealing washer 19 and seal groove 20, the effectual leakproofness that has improved under the inside close condition of valve body through setting up ball case 14 to make valve body 5 possess the function of control velocity of flow simultaneously, reduced the manpower resources waste that a plurality of valves of installation caused, and alleviateed the material loss because of the installation valve body causes simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. An integral stop valve, includes valve body (5), its characterized in that: the improved valve is characterized in that a valve cover I (3) is arranged above the valve body (5), an adjusting screw rod (2) is clamped inside the valve cover I (3), a hand wheel (1) is fixedly arranged at the top end of the adjusting screw rod (2), a valve rod I (9) is fixedly arranged at the bottom end of the adjusting screw rod (2), a spring top ring I (8) is fixedly arranged on the outer surface of the valve rod I (9) close to the upper end, a spring I (17) is arranged below the spring top ring I (8), a sealing block I (16) is arranged at the bottom end of the spring I (17), a thread ring (18) is clamped on the outer surface of the bottom end of the valve rod I (9), a valve clack (10) is fixedly arranged on the outer surface of the thread ring (18), a sealing groove (20) is arranged at a position, which is located below the valve clack (10), of the inner wall of the valve body (5), an inlet pipe (15) is fixedly arranged on one side of the outer surface of the valve body (5), valve gap two (6) is installed to the opposite side of valve body (5) surface, valve rod two (7) have been blocked to the centre of valve gap two (6), the fixed position that valve rod two (7) are close to valve gap two (6) top end face installs spring top ring two (11), the side fixed mounting of spring top ring two (11) has spring two (12), one side that spring top ring two (11) were kept away from in spring two (12) is provided with seal block two (13), one side that spring two (12) were kept away from in seal block two (13) is provided with ball case (14).

2. An integrated shut-off valve as defined in claim 1, wherein: the outer border fixed mounting of terminal surface has sealing washer (19) under valve clack (10), the surface card of sealing washer (19) is in the inside of seal groove (20).

3. An integrated shut-off valve as defined in claim 1, wherein: the valve rod II (7) and the ball valve core (14) are of an integrally formed structure, the outer diameter of the ball valve core (14) is larger than the diameter of an opening at the bottom end of the valve body (5), and a flange (4) is fixedly mounted on the outer surface of the inlet pipe (15).

4. An integrated shut-off valve as defined in claim 1, wherein: the valve body (5) and the inlet pipe (15) are of an integrally formed structure, the valve body (5) is fixedly connected with the valve cover I (3) through a bolt, and the valve body (5) is fixedly connected with the valve cover II (6) through a bolt.

5. An integrated shut-off valve as defined in claim 1, wherein: the outer surface of the bottom end of the first valve rod (9) is provided with threads, and the outer surface of the bottom end of the first valve rod (9) is clamped inside the thread ring (18).

6. An integrated shut-off valve as defined in claim 1, wherein: the inner wall of the top end face of the first valve cover (3) is provided with threads, and the adjusting screw rod (2) is clamped in the middle of the top end of the first valve cover (3) through the threads.