CN219796276U

CN219796276U - Gate valve with combined valve cover

Info

Publication number: CN219796276U
Application number: CN202320781431.0U
Authority: CN
Inventors: 李正东; 张倩
Original assignee: Jiangsu Yichuang Automatic Control Valve Co ltd
Current assignee: Jiangsu Yichuang Automatic Control Valve Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-10-03
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a gate valve with a combined valve cover, which comprises a valve seat, wherein a valve cavity is formed in the valve seat, a sliding cavity communicated with the valve cavity is further formed in the valve seat, a valve cover is arranged above the valve seat, a valve rod is fixedly arranged at the lower end of a hand wheel, the bottom end of the valve rod is in threaded connection with the valve plate, connecting sleeves are uniformly arranged at four corners of the bottom end of the valve cover, plug holes are formed at four corners of the top end of the valve seat, a rotating rod is rotatably arranged in the connecting sleeve, a moving block is in threaded connection with the rotating rod, an installation groove is formed at the outer end of the moving block, a connecting spring is fixedly arranged in the installation groove, a clamping block is fixedly arranged at the outer end of the connecting spring, and a clamping groove is formed in the connecting sleeve. According to the gate valve with the combined valve cover, the valve seat and the valve cover are connected through the matching of the clamping block and the clamping groove, so that the use of a bolt fastener is avoided, and the problem of thread failure is avoided.

Description

Gate valve with combined valve cover

Technical Field

The utility model relates to the technical field of gate valves, in particular to a gate valve with a combined valve cover.

Background

Gate valves are a common type of valve used to control the flow and shut-off of various types of fluids within a pipe. The existing gate valve generally comprises a valve seat, a valve cover, a valve plate, a valve rod, a sealing piece and other components, wherein the valve seat is provided with a valve cavity, two ends of the valve cavity are provided with fluid inlets and outlets, the valve seat is also provided with a sliding cavity communicated with the valve cavity, the valve cover can cover an opening of one end of the sliding cavity far away from the valve cavity, the valve plate is arranged on the sliding cavity in a sliding manner so that the fluid inlets and outlets are communicated or cut off, the valve rod drives the valve plate to slide to realize the opening or closing of the gate valve, and the sealing piece is arranged on the valve plate and is abutted against the end wall of the sliding cavity.

When the existing gate valve is used, the valve seat and the valve cover are connected together through bolts generally, assembly and disassembly are both troublesome, the bolts are easy to fail in threads in the use process, so that the connection between the valve cover and the valve seat is unstable, meanwhile, if the bolts are not screwed up in the assembly process, the gate valve is easy to shake in the use process, the bolts are possibly loosened, and the valve cover falls off. The present device was invented by studying the above problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a gate valve with a combined valve cover to solve the above-mentioned problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a gate valve with combination formula valve gap, includes the disk seat, the valve pocket has been seted up to the disk seat inside, still seted up the sliding chamber with the valve pocket intercommunication on the disk seat, the disk seat top is provided with the valve gap, the valve gap top is provided with the hand wheel, hand wheel lower extreme fixed mounting has the valve rod, valve rod bottom threaded connection has the valve plate, be provided with the sealing washer between disk seat and the valve gap, valve gap bottom four corners department uniforms is provided with the connecting sleeve to the connecting sleeve is hollow structure, the spliced eye has all been seted up at disk seat top four corners department, the dwang is installed in the connecting sleeve rotation, the dwang top is provided with the handle integratively, the external wall processing of dwang has the external screw thread second, the spacing groove second has been seted up to the connecting sleeve inner wall, threaded connection has the movable block on the dwang, the movable block outer end is integrative to be provided with the gag lever second, the mounting groove has been seted up to the movable block outer end, fixedly mounted has the connecting spring in the mounting groove, the connecting spring outer end installs the joint piece, the joint groove has.

Optionally, the front side and the rear side of the sliding cavity are integrally provided with a first limiting rod, and the front side and the rear side of the valve plate are provided with a first limiting groove.

Optionally, the width of the first limiting rod is the same as the width of the first limiting groove.

Optionally, the positions of the four connecting sleeves are in one-to-one correspondence with the positions of the four plug holes.

Optionally, the outer diameter of the connecting sleeve is equal to the diameter of the plug hole.

Optionally, two limiting grooves are formed in the inner wall of each connecting sleeve, and the two limiting grooves are located in the same vertical plane.

Optionally, two limit rods are integrally arranged at the outer end of each moving block, and the two limit rods are located in the same vertical plane.

Optionally, the width of the second limiting groove is equal to the width of the second limiting rod.

Optionally, two mounting grooves are formed in the outer end of each moving block, and the two mounting grooves are located in the same vertical plane.

Optionally, the number of the connecting springs fixedly installed in each installation groove is four.

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

this gate valve with combination formula valve gap is provided with connecting sleeve, spliced eye, dwang, handle, external screw thread two, spacing groove two, movable block, spacing pole two, mounting groove, connecting spring, joint piece and joint groove, realized the connection of disk seat and valve gap through the cooperation of joint piece and joint groove, avoided the use of bolt fastener, avoided the screw thread inefficacy problem, easily equipment and dismantlement, equipment and dismantlement efficiency are higher, and the position in joint groove and the size of joint groove and joint piece make to connect between disk seat and the valve gap more stable simultaneously.

Drawings

For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure provided by a gate valve with a combination valve cover;

FIG. 2 is a schematic illustration of a valve seat provided by a gate valve with a combination valve cover;

FIG. 3 is a schematic view of a portion of a gate valve with a combination valve cover;

FIG. 4 is a schematic view of the internal structure of a connecting sleeve provided by a gate valve with a combination valve cover;

FIG. 5 is a schematic view of a turning lever provided by a gate valve with a combination valve cover;

FIG. 6 is a schematic view of a block diagram of a gate valve with a combination valve cover;

fig. 7 is a sectional view showing the structure of a moving block provided for a gate valve with a combination valve cover.

Reference numerals illustrate:

1. a valve seat; 2. a valve cavity; 3. a sliding chamber; 4. a valve cover; 5. a hand wheel; 6. a valve stem; 7. a valve plate; 8. a first limit rod; 9. a first limit groove; 10. a seal ring; 11. a connecting sleeve; 12. a plug hole; 13. a rotating lever; 14. a handle; 15. an external thread II; 16. a limiting groove II; 17. a moving block; 18. a second limiting rod; 19. a mounting groove; 20. a connecting spring; 21. a clamping block; 22. and a clamping groove.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, a gate valve with a combined valve cover in this embodiment includes a valve seat 1, a valve cavity 2 is provided inside the valve seat 1, two ends of the valve cavity 2 are fluid inlets and outlets, a sliding cavity 3 communicated with the valve cavity 2 is also provided on the valve seat 1, a valve cover 4 is provided above the valve seat 1, a hand wheel 5 is provided above the valve cover 4, a valve rod 6 is fixedly mounted at the lower end of the hand wheel 5, the upper end of the valve rod 6 is rotationally connected with the valve cover 4, an external thread I is processed on the outer wall surface of the lower end of the valve rod 6, a valve plate 7 is in threaded connection with the bottom end of the valve rod 6, the valve plate 7 is slidingly connected in the sliding cavity 3, a limit rod I8 is integrally provided on the front side and the rear side of the sliding cavity 3, limit grooves I9 are provided on the front side and the rear side of the valve plate 7, the width of the limit rod I8 is the same as the width of the limit groove I9, the limit rod I8 and the limit groove I9 are provided, limiting of the valve plate 7 is realized, when an operator rotates the hand wheel 5 drives the valve rod 6 to rotate, the valve rod 6 in the process of rotating the hand wheel 6, the valve plate 7 moves along the sliding cavity 3, and the purpose of communicating or cutting off the inlet and outlet is achieved.

Referring to fig. 2, a sealing ring 10 is arranged between the valve seat 1 and the valve cover 4, and the sealing ring 10 improves the tightness of the valve seat 1 and the valve cover 4 when being connected.

Referring to fig. 1, 2 and 4, connecting sleeves 11 are uniformly arranged at four corners of the bottom end of the valve cover 4, the connecting sleeves 11 are of hollow structures, plug holes 12 are formed at four corners of the top end of the valve seat 1, the positions of the four connecting sleeves 11 correspond to the positions of the four plug holes 12 one by one, the outer diameter of the connecting sleeve 11 is equal to the diameter of the plug hole 12, and when the valve cover 4 is connected with the valve seat 1, the four connecting sleeves 11 are respectively inserted into the four plug holes 12.

Referring to fig. 4 and 5, the rotating rod 13 is rotatably installed in the connecting sleeve 11, the diameters of the top end and the bottom end of the rotating rod 13 are equal to the inner diameter of the connecting sleeve 11, the stability of the rotating rod 13 during rotation is guaranteed, the top end of the rotating rod 13 is integrally provided with the handle 14, the bottom end of the rotating rod 13 is integrally connected with the baffle, the handle 14 and the baffle realize limiting the position of the rotating rod 13, and the rotating rod 13 is prevented from sliding from the connecting sleeve 11 or being pulled out of the connecting sleeve 11.

Referring to fig. 4-7, the outer wall surface of the rotating rod 13 is provided with an external thread two 15, the rotating rod 13 is connected with a moving block 17 in a threaded manner, the inner wall of the connecting sleeve 11 is provided with a limiting groove two 16, the limiting groove two 16 formed in the inner wall of each connecting sleeve 11 is positioned in the same vertical plane, the outer end of the moving block 17 is integrally provided with a limiting rod two 18, the outer end of each moving block 17 is integrally provided with a limiting rod two 18, the two limiting rods two 18 are positioned in the same vertical plane, meanwhile, the width of the limiting groove two 16 is equal to the width of the limiting rod two 18, limiting of the moving block 17 is realized by arranging the limiting groove two 16 and the limiting rod two 18, and the moving block 17 is ensured to longitudinally move along the limiting groove two 16 in the rotating process of the rotating rod 13.

Referring to fig. 7, the outer ends of the moving blocks 17 are provided with two mounting grooves 19, the two mounting grooves 19 are located in the same vertical plane, namely, the mounting grooves 19 and the second limiting rods 18 which are arranged on each moving block 17 are distributed in a staggered manner, the connecting springs 20 are fixedly arranged in the mounting grooves 19, the number of the connecting springs 20 which are fixedly arranged in each mounting groove 19 is four, the outer ends of the connecting springs 20 are fixedly provided with the clamping blocks 21, the outer end faces of the clamping blocks 21 are arc-shaped structures, the connecting sleeves 11 are provided with the clamping grooves 22, the number of the clamping grooves 22 which are formed in each connecting sleeve 11 is two, the two clamping grooves 22 are located in the same vertical plane, the top ends of the clamping grooves 22 and the lower surfaces of the top ends of the valve seats 1 are located in the same horizontal plane, the longitudinal sections of the clamping blocks 21 are square, the longitudinal sections of the clamping grooves 22 are square, and the longitudinal sections of the clamping blocks 21 are equal to the longitudinal sections of the clamping grooves 22.

When the valve seat 1 and the valve cover 4 are connected, an operator firstly inserts four connecting sleeves 11 into four inserting holes 12 respectively, because the moving block 17 is arranged in the connecting sleeve 11, the connecting spring 20 arranged on the moving block 17 is always in a compressed state under the obstruction of the inner wall of the connecting sleeve 11, in the process, the clamping block 21 is completely contracted in the mounting groove 19, the operator rotates the handle 14 to realize the rotation of the rotating rod 13, along with the rotation of the rotating rod 13, the moving block 17 gradually moves downwards, when the clamping block 21 and the clamping groove 22 are positioned on the same horizontal plane, the connecting sleeve 11 cannot obstruct the clamping block 21, at the moment, the connecting spring 20 can restore to the original length under the action of self elastic force, so that the clamping block 21 is outwards popped up, and is clamped in the clamping groove 22, the connection of the valve seat 1 and the valve cover 4 is completed, when the operator needs to detach the valve seat 1 and the valve cover 4, the clamping block 21 is pressed to retract into the mounting groove 19, and simultaneously reversely rotates the handle 14 to enable the moving block 17 to move upwards, and the valve seat 1 and the valve cover 4 can be disconnected.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a gate valve with combination formula valve gap, includes disk seat (1), valve pocket (2) have been seted up to disk seat (1) inside, slide chamber (3) with valve pocket (2) intercommunication have still been seted up on disk seat (1), disk seat (1) top is provided with valve gap (4), valve gap (4) top is provided with hand wheel (5), hand wheel (5) lower extreme fixed mounting has valve rod (6), valve rod (6) bottom threaded connection has valve plate (7), its characterized in that: be provided with sealing washer (10) between disk seat (1) and valve gap (4), valve gap (4) bottom four corners department homogeneity is provided with connecting sleeve (11) to connecting sleeve (11) are hollow structure, spliced eye (12) have all been seted up in disk seat (1) top four corners department, connecting sleeve (11) internal rotation is installed dwang (13), the integrative handle (14) that is provided with in dwang (13) top, the processing of dwang (13) outer wall surface has external screw thread two (15), limiting groove two (16) have been seted up to connecting sleeve (11) inner wall, threaded connection has movable block (17) on dwang (13), movable block (17) outer end an organic whole is provided with limiting rod two (18), mounting groove (19) have been seted up to movable block (17) outer end, fixedly mounted in mounting groove (19) coupling spring (20), joint piece (21) have been installed to coupling spring (20) outer end, joint groove (22) have been seted up on connecting sleeve (11).

2. A gate valve with a combination valve cover as defined in claim 1, wherein: the two sides around the sliding cavity (3) are all integrally provided with a first limiting rod (8), and the two sides around the valve plate (7) are all provided with a first limiting groove (9).

3. A gate valve with a combination valve cover as defined in claim 2, wherein: the width of the first limiting rod (8) is the same as the width of the first limiting groove (9).

4. A gate valve with a combination valve cover as defined in claim 1, wherein: the positions of the four connecting sleeves (11) are in one-to-one correspondence with the positions of the four plug holes (12).

5. A gate valve with a combination valve cover as defined in claim 1, wherein: the outer diameter of the connecting sleeve (11) is equal to the diameter of the plug hole (12).

6. A gate valve with a combination valve cover as defined in claim 1, wherein: two limiting grooves (16) are formed in the inner wall of each connecting sleeve (11), and the two limiting grooves (16) are located in the same vertical plane.

7. A gate valve with a combination valve cover as defined in claim 6, wherein: the two limiting rods (18) are integrally arranged at the outer end of each moving block (17), and the two limiting rods (18) are located in the same vertical plane.

8. A gate valve with a combination valve cover as defined in claim 7, wherein: the width of the second limit groove (16) is equal to that of the second limit rod (18).

9. A gate valve with a combination valve cover as defined in claim 1, wherein: the number of the mounting grooves (19) formed in the outer end of each moving block (17) is two, and the two mounting grooves (19) are located in the same vertical plane.

10. A gate valve with a combination valve cover as defined in claim 1, wherein: the number of the connecting springs (20) fixedly installed in each installation groove (19) is four.