CN210196522U

CN210196522U - Spherical stop valve

Info

Publication number: CN210196522U
Application number: CN201920760141.1U
Authority: CN
Inventors: Mingtao Ma; 马明涛
Original assignee: Shijiazhuang Weidate Control Engineering Co Ltd
Current assignee: Shijiazhuang Weidate Control Engineering Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-27
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a spherical stop valve, including disk seat, second sliding tray and valve gap, be provided with the through-hole in the middle of the inner chamber of disk seat, fixed mounting has first sealed the pad in the middle of the inner chamber of disk seat, the inner chamber bottom fixed mounting of disk seat has the screw hole, the sealed pad of inner chamber fixed mounting second of disk seat, the top fixed mounting of valve gap has first bearing, and the surperficial embedded locating hole that has of first bearing, the first sliding tray of inner chamber fixed mounting of valve gap, the inner chamber of valve gap is provided with the screw thread cavity, the both sides swing joint bolt of valve gap, the inner chamber fixed connection compression spring of valve gap, compression spring's bottom fixed connection backing plate, the bottom fixed mounting of backing plate has the sliding block. The utility model discloses a valve clack opening speed is than very fast, and the stroke of valve rod is than short to the valve clack that screw thread formula and lift-draw formula valve rod can be very light is opened and is closed.

Description

Spherical stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a spherical stop valve.

Background

Spherical stop valve means the valve that the valve clack removed along the disk seat central line, because the valve rod of this valve is opened and is closed and form relatively short, manufacturing process is better, be convenient for maintain, be particularly suitable for the regulation to the flow, consequently, be fit for as cutting off or regulation and throttle effect, spherical stop valve's structure is complicated on the market at present, adopt the mode of screw thread to open the stop valve between valve rod and the valve body, the lift stroke of valve rod is longer, and when opening, need consume strength and rotate the handle, lead to the speed that the valve clack was opened slower, consequently need solve above-mentioned problem through a spherical stop valve to find urgent need.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spherical stop valve is complicated in order to solve the structure that proposes in the above-mentioned background art, and the stroke that the valve rod rises is longer, the slower problem of speed that the valve clack was opened.

In order to achieve the above object, the utility model provides a following technical scheme: a spherical stop valve comprises a valve seat, a second sliding groove and a valve cover, wherein a through hole is formed in the middle of an inner cavity of the valve seat, a first sealing gasket is fixedly mounted in the middle of the inner cavity of the valve seat, a threaded hole is fixedly mounted at the bottom of the inner cavity of the valve seat, a second sealing gasket is fixedly mounted in the inner cavity of the valve seat, a first bearing is fixedly mounted at the top end of the valve cover, a positioning hole is embedded in the surface of the first bearing, a first sliding groove is fixedly mounted in the inner cavity of the valve cover, a threaded cavity is formed in the inner cavity of the valve cover, two sides of the valve cover are movably connected with bolts, the inner cavity of the valve cover is fixedly connected with a compression spring, a bottom fixed connecting base plate of the compression spring is provided with a sliding block, the base plate is rotatably connected with the second valve rod through a second rotating shaft, the top fixed weld gag lever post of second valve rod, the fixed welding in top of gag lever post has first valve rod, the top fixed connection handle of first valve rod, the bottom fixed connection locating lever of handle, branch has been cup jointed to the both sides of handle.

Preferably, the bottom shape of sliding block is spherical, the second sliding tray is circular and embedded on the surface of valve clack, the spherical size of sliding block bottom is the same with the inner wall size of second sliding tray, sliding structure is constituteed with the second sliding tray to the sliding block.

Preferably, the bolts are arranged in two groups, the two groups of bolts are symmetrically distributed on two sides of the first valve rod, two groups of threaded holes are formed in the upper end surface of the valve seat, and the bolts are matched with the threaded holes for use.

Preferably, the support rod is sleeved inside the handle, and the support rod and the handle form a telescopic structure.

Preferably, the positioning holes are distributed on the shaft column of the first bearing in an annular array, and the size of the positioning holes is the same as that of the positioning rods.

Preferably, the other end of the backing plate is fixedly connected to a shaft sleeve of the second rotating shaft, the second valve rod is fixedly connected to a shaft column of the second rotating shaft, and the second valve rod and the backing plate form a rotating structure.

Compared with the prior art, the beneficial effects of the utility model are that: the valve clack of the spherical stop valve is high in opening speed, the stroke of the valve rod is short, and the valve clack can be opened and closed easily by the threaded and lifting valve rod.

1. Be provided with first bearing on the top of valve gap to first bearing and handle can be when the valve clack is closed, and first bearing and the rotatory use of handle closure, when the valve clack is opened, first bearing separates with the handle, make the valve clack promote fast, and both cooperations use, make opening and closing of stop valve light more.

2. The bottom of valve clack sets up a threaded rod, when making threaded rod and threaded rod hole separate through twist grip, the valve clack is in the centre of through-hole, can carry out the reduction of a pressure to the inside of through-hole earlier, promote through the handle, make the valve clack rise rapidly and can make the lift stroke of valve rod shorten, make the speed that the valve clack was opened more, carry out the rising back of promotion formula to the valve clack, through the rotation of gag lever post and screw cavity, can fix the valve clack, can not influence the circulation of liquid.

Drawings

Fig. 1 is a schematic view of the open state front section structure of the present invention;

fig. 2 is a schematic view of the closed-state front-view cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic top view of the first bearing of fig. 1 according to the present invention.

In the figure: 1. a valve seat; 2. a valve cover; 3. a handle; 4. positioning a rod; 5. a first valve stem; 6. a strut; 7. a first bearing; 8. positioning holes; 9. a threaded cavity; 10. a limiting rod; 11. a compression spring; 12. a through hole; 13. a first gasket; 14. a bolt; 15. a second valve stem; 16. a valve flap; 17. a threaded rod; 18. a second gasket; 19. a threaded hole; 20. a first sliding groove; 21. a second rotating shaft; 22. a second sliding groove; 23. a slider; 24. a backing plate.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a spherical stop valve comprises a valve seat 1, a second sliding groove and a valve cover 2, wherein a through hole 12 is arranged in the middle of an inner cavity of the valve seat 1, a first sealing gasket 13 is fixedly arranged in the middle of the inner cavity of the valve seat 1, a threaded hole 19 is fixedly arranged at the bottom of the inner cavity of the valve seat 1, a second sealing gasket 18 is fixedly arranged in the inner cavity of the valve seat 1, a first bearing 7 is fixedly arranged at the top end of the valve cover 2, the first bearing 7 and a handle 3 can be used in a closed and rotating mode when a valve clack 16 is closed through the first bearing 7 and the handle 3, the first bearing 7 is separated from the handle 3 when the valve clack 16 is opened, the valve clack 16 can be quickly lifted, the stop valve is opened and closed easily through the cooperation of the first bearing 7 and the handle 16, positioning holes 8 are embedded in the surface of the first bearing 7, the positioning holes 8 are distributed on a shaft, handle 3 and first bearing 7 separable use, when closing valve clack 16, during locating lever 4 stretched into locating hole 8, handle 3 rotated together with first bearing 7, resistance when can reducing handle 3 and rotate, and twist grip 3 is lighter.

The inner cavity of the valve cover 2 is fixedly provided with a first sliding groove 20, the inner cavity of the valve cover 2 is provided with a threaded cavity 9, two sides of the valve cover 2 are movably connected with bolts 14, the bolts 14 are provided with two groups, the two groups of bolts 14 are symmetrically distributed at two sides of the first valve rod 5, the upper end surface of the valve seat 1 is provided with two groups of threaded holes, the bolts 14 are matched with the threaded holes for use, the assembly and disassembly maintenance of the valve seat 1 and the valve cover 2 can be convenient, the inner cavity of the valve cover 2 is fixedly connected with a compression spring 11, the bottom end of the compression spring 11 is fixedly connected with a backing plate 24, the other end of the backing plate 24 is fixedly connected on a shaft sleeve of a second rotating shaft 21, the second valve rod 15 is fixedly connected on a shaft column of the second rotating shaft 21, the second valve rod 15 and the backing plate 24 form a rotating structure, the compression spring 11 cannot rotate along with, the bottom shape of sliding block 23 is spherical, and second sliding tray 22 is circular and embedded on the surface of valve clack 16, and the spherical size of sliding block 23 bottom is the same with the inner wall size of second sliding tray 22, and sliding block 23 constitutes sliding structure with second sliding tray 22.

Backing plate 24 is connected through second pivot 21 and second valve rod 15 rotation, the bottom mounting welding valve clack 16 of second valve rod 15, the bottom fixedly connected with threaded rod 17 of valve clack 16, the top fixed welding gag lever post 10 of second valve rod 15, the top fixed welding of gag lever post 10 has first valve rod 5, the top fixed connection handle 3 of first valve rod 5, the bottom fixed connection locating lever 4 of handle 3, branch 6 has been cup jointed to the both sides of handle 3, branch 6 covers the inside at handle 3, branch 6 constitutes extending structure with handle 3, can be with the length extension of handle 3, can be relaxed open valve clack 16 through handle 3.

The working principle is as follows: during the use, whole valve body is in the closure state, come through stretching branch 6 from handle 3, make the length of handle 3 become long, twist grip 3 that can be lighter, drive first valve rod 5, gag lever post 10, second valve rod 15 makes valve clack 16 rotate, threaded rod 17 fixed mounting is in the bottom of valve clack 16, it is rotatory to rotate drive threaded rod 17 through valve clack 16, make threaded rod 17 separate from screw hole 19, when threaded rod 17 separates with screw hole 19, locating lever 4 separates from locating hole 8, when screw rod 17 rotatory income screw hole 19, locating lever 4 can inject in locating hole 8, handle 3 is through the rotation with first bearing 7, resistance when can reducing the rotation, promote the rotation effect of handle 3, valve clack 16 rises to the intermediate position of through-hole 12, can carry out a pressure release in the through-hole 12.

Lifting the handle 3 to make the valve clack 16 rise from the through hole 12 completely without affecting the liquid flow rate and improve the opening speed of the valve body, then rotating the limiting rod 10 into the threaded cavity 9 to position the valve clack 16, when closing, reversely rotating the limiting rod 10 to separate the limiting rod 10 from the threaded cavity 9, the limiting rod 10 can reset the valve clack 16 to make the threaded rod 17 press down to the port of the threaded hole 19, the top end of the limiting rod 10 is fixed on the inner cavity of the valve cover 2, the bottom end of the limiting rod 10 is fixed on the backing plate 24, the backing plate 24 and the second valve rod 15 form a rotating structure, when rotating, the sliding block 23 at the bottom end of the backing plate 24 slides in the second sliding groove 22, the compression spring 11 can not rotate along with the second valve rod 15, the rotating handle 3 rotates the threaded rod 17 into the threaded hole 19 to extrude the second sealing gasket 18 and the first sealing gasket 13 in the valve seat 1, the sealing effect is increased, and the liquid cannot leak after the valve clack 16 is closed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a spherical stop valve, includes disk seat (1), second sliding tray (22) and valve gap (2), its characterized in that: the valve seat is characterized in that a through hole (12) is formed in the middle of an inner cavity of the valve seat (1), a first sealing gasket (13) is fixedly mounted in the middle of the inner cavity of the valve seat (1), a threaded hole (19) is fixedly mounted at the bottom of the inner cavity of the valve seat (1), a second sealing gasket (18) is fixedly mounted in the inner cavity of the valve seat (1), a first bearing (7) is fixedly mounted at the top end of the valve cover (2), a positioning hole (8) is embedded in the surface of the first bearing (7), a first sliding groove (20) is fixedly mounted in the inner cavity of the valve cover (2), a threaded cavity (9) is formed in the inner cavity of the valve cover (2), two movable connecting bolts (14) are movably connected to the two sides of the valve cover (2), a compression spring (11) is fixedly connected to the inner cavity of the valve cover (2), a backing plate (24), backing plate (24) are rotated with second valve rod (15) through second pivot (21) and are connected, the bottom fixed welding valve clack (16) of second valve rod (15), the bottom fixedly connected with threaded rod (17) of valve clack (16), the top fixed welding gag lever post (10) of second valve rod (15), the top fixed welding of gag lever post (10) has first valve rod (5), the top fixed connection handle (3) of first valve rod (5), the bottom fixed connection locating lever (4) of handle (3), branch (6) have been cup jointed to the both sides of handle (3).

2. A spherical stop valve according to claim 1, wherein: the bottom shape of sliding block (23) is spherical, second sliding tray (22) are circular and embedded on the surface of valve clack (16), the spherical size of sliding block (23) bottom is the same with the inner wall size of second sliding tray (22), sliding structure is constituteed with second sliding tray (22) in sliding block (23).

3. A spherical stop valve according to claim 1, wherein: bolt (14) are provided with two sets ofly, two sets of bolt (14) symmetric distribution is in the both sides of first valve rod (5), the upper end surface of disk seat (1) is provided with two sets of screw hole, bolt (14) and screw hole cooperation are used.

4. A spherical stop valve according to claim 1, wherein: the support rod (6) is sleeved inside the handle (3), and the support rod (6) and the handle (3) form a telescopic structure.

5. A spherical stop valve according to claim 1, wherein: the positioning holes (8) are distributed on the shaft columns of the first bearings (7) in an annular array mode, and the size of the positioning holes (8) is the same as that of the positioning rods (4).

6. A spherical stop valve according to claim 1, wherein: the other end fixed connection of backing plate (24) is on the axle sleeve of second pivot (21), second valve rod (15) fixed connection is on the jack-post of second pivot (21), revolution mechanic is constituteed with backing plate (24) in second valve rod (15).