CN217762139U

CN217762139U - Gate valve with replaceable valve seat

Info

Publication number: CN217762139U
Application number: CN202220942961.4U
Authority: CN
Inventors: 黄印耀; 黄一清; 陈素珠
Original assignee: Nanhu Fujian Valve Co ltd
Current assignee: Nanhu Fujian Valve Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-11-08
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a gate valve of removable disk seat, which comprises a valve body, all be provided with the gate valve disk seat in the two sets of valves, the draw-in groove has all been seted up at the both ends of gate valve disk seat, sliding connection has the pull rod in the draw-in groove, the one end fixedly connected with that the draw-in groove was stretched out to the pull rod draws the piece, the logical groove of symmetric distribution is seted up to the inside of gate valve disk seat, and lead to the groove and be linked together with the draw-in groove, it is provided with the fixture block to lead to the inslot, the fixed block rotates and drives the threaded rod and rotate and then drive the thread piece rebound, thread piece rebound drives the horizontal pole rebound and then drives the pulley and roll along the inclined plane, make the movable block move and then drive the riser and remove towards pulley one side, the riser removes and drives the connecting rod and remove and then drive the curb plate, the curb plate removes and drives the kelly and breaks away from with the fixed slot, the pulling block, the pull block removes and drives the pull rod and remove and then drive the fixture block and get into the draw-in the groove, thereby be convenient to take out the gate valve disk seat, convenient to dismantle, be convenient for replacement, excellent use effect.

Description

Gate valve with replaceable valve seat

Technical Field

The utility model relates to a gate valve technical field specifically is a gate valve of removable disk seat.

Background

The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate valve is sealed by the contact of the valve seat and the gate plate, and a sealing surface is usually subjected to surfacing welding of metal materials to increase the wear resistance, such as surfacing welding of 1Cr13, STL6, stainless steel and the like. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.

Improve to prior art, among the prior art, current gate valve is not convenient for change the disk seat, and be not convenient for use, when the disk seat was impaired, the unable maintenance of disk seat led to the gate valve wholly to change, has reduced the gate valve live time, and the practicality is not high, and the result of use is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gate valve of removable disk seat to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a gate valve of removable disk seat, includes the valve body, and is two sets of all be provided with the gate valve disk seat in the valve body, the draw-in groove has all been seted up at the both ends of gate valve disk seat, sliding connection has the pull rod in the draw-in groove, the one end fixedly connected with that the draw-in groove was stretched out to the pull rod draws the piece, the logical groove of symmetric distribution is seted up to the inside of gate valve disk seat, and leads to the groove and be linked together with the draw-in groove, it is provided with the fixture block to lead to the inslot, the one end fixed connection who draws the piece is kept away from to fixture block and pull rod, the fixed slot has been seted up to one side of fixture block, the mounting groove of symmetric distribution has been seted up in the valve body, be provided with fixed establishment in the mounting groove.

As a further aspect of the present invention: the fixed establishment includes the threaded rod, the threaded rod rotates with the inner wall of mounting groove to be connected, the one end fixedly connected with fixed block that the valve body was stretched out to the threaded rod, the outer wall threaded connection of threaded rod has the screw thread piece, one side fixedly connected with horizontal pole of screw thread piece, the inner wall sliding connection of horizontal pole has the guide bar with mounting groove inner wall fixed connection, the one end fixed mounting that the screw thread piece was kept away from to the horizontal pole has the pulley, one side of pulley is provided with the movable block, the inclined plane has been seted up to one side that the movable block is close to the pulley, inclined plane and pulley roll connection, one side fixedly connected with and mounting groove inner wall sliding connection's riser of pulley is kept away from to the movable block, one side fixedly connected with connecting rod of riser is kept away from to the connecting rod, one side fixedly connected with kelly of curb plate, kelly and fixed slot looks adaptation.

As a further aspect of the present invention: the valve body is characterized in that symmetrically distributed grooves are formed in the valve body, a sliding plate is connected to the inner wall of each groove in a sliding mode, a sliding rod is fixedly connected to one side of the sliding plate, one end, extending out of each groove, of the sliding rod is fixedly connected with a side plate, a first spring is sleeved on the outer wall of one end, extending into each groove, of the sliding rod, one end of the first spring is fixedly connected with the sliding plate, and the other end of the first spring is fixedly connected with the inner wall of each groove.

As a further aspect of the present invention: the outer wall of one end, extending into the clamping groove, of the pull rod is sleeved with a second spring, one end of the second spring is fixedly connected with the clamping block, and the other end of the second spring is fixedly connected with the inner wall of the clamping groove.

As a further aspect of the present invention: one side fixedly connected with branch that the screw thread piece is kept away from the horizontal pole, the first spout of symmetric distribution is seted up to one side inside of valve body, the inner wall sliding connection of first spout has first slider, first slider and branch fixed connection.

As the utility model discloses further scheme again: the inside second spout that all sets up the symmetric distribution of both sides of valve body, the inner wall sliding connection of second spout has second slider, third slider, second slider and curb plate fixed connection, third slider and riser fixed connection.

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

the utility model discloses during the use, the fixed block rotates and drives the threaded rod and rotate and then drive the screw thread piece rebound, screw thread piece rebound drives branch removal and then drives first slider and slides at the inner wall of first spout, screw thread piece rebound drives the horizontal pole and upwards moves and then drives the pulley along the inclined plane through the direction of guide bar and roll simultaneously, pulley rebound makes the movable block move and then drive the riser and remove towards pulley one side, the riser removes the inner wall that drives the third slider at the second spout and slides, the riser removes and drives the connecting rod and remove and then drive the curb plate and remove simultaneously, the curb plate removes and drives the slide bar and remove and then drive the slide and slide at the inner wall of recess, first spring compression, the curb plate removes and drives the kelly and breaks away from with the fixed slot simultaneously, at this moment, the pulling draws the piece, the second spring compression, the piece removes and drives the kelly and removes and then drive the fixture block and get into in the draw-in groove, thereby be convenient for taking out the gate valve disk seat, convenient to dismantle, be convenient for change, excellent use effect.

Drawings

FIG. 1 is a schematic view of a gate valve with a replaceable valve seat;

FIG. 2 is an enlarged view of FIG. 1 at A of a replaceable seat gate valve;

fig. 3 is an enlarged view of the gate valve with a replaceable valve seat at B of fig. 1.

In the figure: 1. the valve body, 2, gate valve disk seat, 3, draw-in groove, 4, pull rod, 5, logical groove, 6, fixture block, 7, mounting groove, 8, fixed establishment, 9, threaded rod, 10, screw block, 11, branch, 12, first spout, 13, first slider, 14, horizontal pole, 15, guide bar, 16, pulley, 17, movable block, 18, riser, 19, connecting rod, 20, curb plate, 21, kelly, 22, fixed slot, 23, recess, 24, slide, 25, slide bar, 26, pull block, 27, second spout, 28, second slider, 29, third slider, 30, fixed block.

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.

Please refer to fig. 1 to 3, in an embodiment of the present invention, a gate valve with a replaceable valve seat, includes valve bodies 1, gate valve seats 2 are disposed in two sets of valve bodies 1, clamping grooves 3 are disposed at both ends of the gate valve seats 2, a pull rod 4 is slidably connected in the clamping groove 3, one end of the pull rod 4 extending out of the clamping groove 3 is fixedly connected with a pull block 26, through grooves 5 symmetrically distributed are disposed in the gate valve seats 2, the through grooves 5 are communicated with the clamping grooves 3, a fixture block 6 is disposed in the through grooves 5, the fixture block 6 is fixedly connected with one end of the pull rod 4 far away from the pull block 26, a fixing groove 22 is disposed at one side of the fixture block 6, mounting grooves 7 symmetrically distributed are disposed in the valve body 1, a fixing mechanism 8 is disposed in the mounting groove 7, the fixture block 6 is convenient for fixing the gate valve seats 2, and is convenient for disassembly;

referring to fig. 2, in the present application, the fixing mechanism 8 includes a threaded rod 9, the threaded rod 9 is rotatably connected to an inner wall of the mounting groove 7, one end of the threaded rod 9, which extends out of the valve body 1, is fixedly connected to a fixed block 30, an outer wall of the threaded rod 9 is in threaded connection with a threaded block 10, one side of the threaded block 10 is fixedly connected to a cross rod 14, an inner wall of the cross rod 14 is slidably connected to a guide rod 15 fixedly connected to an inner wall of the mounting groove 7, one end of the cross rod 14, which is far away from the threaded block 10, is fixedly mounted with a pulley 16, one side of the pulley 16 is provided with a movable block 17, one side of the movable block 17, which is close to the pulley 16, is provided with an inclined surface, the inclined surface is in rolling connection with the pulley 16, one side of the movable block 17, which is far away from the pulley 16, is fixedly connected to a vertical plate 18, one side of the vertical plate 18 is fixedly connected to a connecting rod 19, one end of the connecting rod 19, which is far away from the vertical plate 18, one side of the side plate 20 is fixedly connected to a clamping rod 21, which is adapted to a fixing groove 22, the clamping rod 21 is convenient for limiting the clamping block 6, and avoiding the clamping block 6 from being separated from the through groove 5;

referring to fig. 3, in the application, symmetrically distributed grooves 23 are formed in the valve body 1, a sliding plate 24 is slidably connected to the inner wall of each groove 23, a sliding rod 25 is fixedly connected to one side of each sliding plate 24, one end, extending out of each groove 23, of each sliding rod 25 is fixedly connected to a side plate 20, the outer wall of one end, extending out of each groove 23, of each sliding rod 25 is sleeved with a first spring, one end of each first spring is fixedly connected to each sliding plate 24, the other end of each first spring is fixedly connected to the inner wall of each groove 23, and each sliding plate 24 facilitates the movement of each sliding rod 25 and plays a role in guiding;

referring to fig. 2, in the present application, a second spring is sleeved on an outer wall of one end of the pull rod 4 extending into the clamping groove 3, one end of the second spring is fixedly connected with the clamping block 6, the other end of the second spring is fixedly connected with an inner wall of the clamping groove 3, and the second spring facilitates the reset of the pull rod 4 and the reset of the clamping block 6;

referring to fig. 2, in the application, a support rod 11 is fixedly connected to one side of the threaded block 10 away from the cross rod 14, first sliding grooves 12 are symmetrically distributed in one side of the valve body 1, a first sliding block 13 is slidably connected to the inner wall of the first sliding groove 12, the first sliding block 13 is fixedly connected with the support rod 11, and the support rod 11 facilitates movement of the threaded block 10 and plays a role in guiding;

referring to fig. 2, in this application, the inside second spout 27 that all offers symmetric distribution of both sides of valve body 1, the inner wall sliding connection of second spout 27 has second slider 28, third slider 29, second slider 28 and curb plate 20 fixed connection, third slider 29 and riser 18 fixed connection, and second spout 27 is convenient for curb plate 20 and riser 18's removal, plays certain guide effect.

The utility model discloses a theory of operation is:

referring to fig. 1, fig. 2 and fig. 3, in use, the fixing block 30 is rotated, the fixing block 30 rotates to drive the threaded rod 9 to rotate and further drive the threaded block 10 to move upwards, the threaded block 10 moves upwards to drive the supporting rod 11 to move and further drive the first sliding block 13 to slide on the inner wall of the first sliding groove 12, meanwhile, the threaded block 10 moves upwards to drive the transverse rod 14 to move upwards through the guide of the guide rod 15 and further drive the pulley 16 to roll along the inclined plane, the pulley 16 moves upwards to enable the movable block 17 to move towards one side of the pulley 16 and further drive the vertical plate 18 to move, the vertical plate 18 moves to drive the third sliding block 29 to slide on the inner wall of the second sliding groove 27, meanwhile, the vertical plate 18 moves to drive the connecting rod 19 to move and further drive the side plate 20 to move, the side plate 20 moves to drive the sliding rod 25 to move and further drive the sliding plate 24 to slide on the inner wall of the groove 23, the first spring compresses, meanwhile, the side plate 20 moves to drive the clamping rod 21 to separate from the fixing groove 22, at this moment, the pulling block 26 and the second spring compresses, the pulling block 26 moves to drive the pulling rod 4 to move and further drive the clamping block 6 to enter the clamping groove 3, thereby facilitating the taking out of the valve seat 2, the disassembly, facilitating the replacement, facilitating the use of the gate valve.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A gate valve of removable disk seat, includes valve body (1), its characterized in that: two sets of all be provided with gate valve disk seat (2) in valve body (1), draw-in groove (3) have all been seted up at the both ends of gate valve disk seat (2), sliding connection has pull rod (4) in draw-in groove (3), the one end fixedly connected with that draw-in groove (3) are stretched out in pull rod (4) draws piece (26), the inside of gate valve disk seat (2) is seted up the logical groove (5) of symmetric distribution, and leads to groove (5) and draw-in groove (3) and be linked together, be provided with fixture block (6) in leading to groove (5), the one end fixed connection who draws piece (26) is kept away from in fixture block (6) and pull rod (4), fixed slot (22) have been seted up to one side of fixture block (6), set up mounting groove (7) of symmetric distribution in valve body (1), be provided with fixed establishment (8) in mounting groove (7).

2. The gate valve of claim 1, wherein: the fixing mechanism (8) comprises a threaded rod (9), the threaded rod (9) is rotationally connected with the inner wall of the mounting groove (7), one end of the threaded rod (9) extending out of the valve body (1) is fixedly connected with a fixed block (30), the outer wall of the threaded rod (9) is in threaded connection with a threaded block (10), one side of the thread block (10) is fixedly connected with a cross bar (14), the inner wall of the cross bar (14) is connected with a guide rod (15) which is fixedly connected with the inner wall of the mounting groove (7) in a sliding way, a pulley (16) is fixedly arranged at one end of the cross bar (14) far away from the thread block (10), one side of the pulley (16) is provided with a movable block (17), one side of the movable block (17) close to the pulley (16) is provided with an inclined plane, the inclined surface is in rolling connection with the pulley (16), one side of the movable block (17) far away from the pulley (16) is fixedly connected with a vertical plate (18) which is in sliding connection with the inner wall of the mounting groove (7), one side of the vertical plate (18) is fixedly connected with a connecting rod (19), one end of the connecting rod (19) far away from the vertical plate (18) is fixedly connected with a side plate (20), one side of the side plate (20) is fixedly connected with a clamping rod (21), and the clamping rod (21) is matched with the fixing groove (22).

3. The gate valve of claim 2, wherein: recess (23) of symmetric distribution are seted up to the inside of valve body (1), the inner wall sliding connection of recess (23) has slide (24), one side fixedly connected with slide bar (25) of slide (24), the one end and curb plate (20) fixed connection that recess (23) were stretched out in slide bar (25), the one end outer wall that recess (23) were stretched into in slide bar (25) has cup jointed first spring, the one end and slide (24) fixed connection of first spring, the other end of first spring and the inner wall fixed connection of recess (23).

4. The gate valve of claim 1, wherein: the outer wall of one end, stretching into the clamping groove (3), of the pull rod (4) is sleeved with a second spring, one end of the second spring is fixedly connected with the clamping block (6), and the other end of the second spring is fixedly connected with the inner wall of the clamping groove (3).

5. A gate valve with replaceable seat as claimed in claim 2, wherein: one side fixedly connected with branch (11) of horizontal pole (14) are kept away from in screw thread piece (10), first spout (12) of symmetric distribution are seted up to one side inside of valve body (1), the inner wall sliding connection of first spout (12) has first slider (13), first slider (13) and branch (11) fixed connection.

6. A gate valve with replaceable seat as claimed in claim 2, wherein: the inside second spout (27) of symmetric distribution have all been seted up to the both sides of valve body (1), the inner wall sliding connection of second spout (27) has second slider (28), third slider (29), second slider (28) and curb plate (20) fixed connection, third slider (29) and riser (18) fixed connection.