Stop valve capable of being quickly opened and closed

Abstract

The utility model relates to the technical field of stop valves, and discloses a stop valve capable of being opened and closed quickly, which comprises a stop valve body, a rod body is arranged at the top of the stop valve body, and the bottom of the rod body penetrates through the top of the stop valve body and is fixedly connected with the top of a lock rod in an inner cavity of the stop valve body. When the pulling plate moves downwards, the clamping block moves downwards, the top of the clamping block abuts against the bottom of the limiting block, the limiting block limits the clamping block, and the pulling plate cannot drive the inserting rod to move upwards to reset, so that a person can operate the handle with two hands, independent operation is facilitated, the pulling plate is pulled downwards again, the clamping block is located on the side, away from the limiting block, of the linkage block, and a first spring is released; the pulling plate, the inserting rod and the clamping block drive the linkage block to move close to the limiting block, when the surface of the linkage block is attached to the surface of the limiting block, the clamping block can move to the upper surface of the limiting block along the surface of the linkage block, limiting of the clamping block and the pulling plate is relieved, and then the pulling plate and the inserting rod can be reset.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stop valve, concretely is a kind of stop valve of quick opening and closing. BACKGROUND

[0002] Stop valve is the tool that stop valve is relied on valve lever pressure, makes valve clapper sealing surface and valve seat sealing surface tightly adhere, prevents medium flow, belongs to forced sealing type valve, mainly installs on the high-temperature high-pressure steam, water pipeline of diameter ≤100mm in power plant pipeline system.

[0003] According to the low-temperature stop valve (public number: CN220646960U) of quick opening and closing of publicizing, the setting of the above-mentioned application helps the stable output direction provided by spring, the setting of installation groove protects its internal structure from external force, the setting of slider and sliding slot helps the movement trajectory of the knob to be limited, so that it cannot naturally fall off from the inside of installation groove, the setting of rod body makes the handle can drive the rotation of the lock rod in the inner cavity of stop valve body, the setting of plug rod and insertion hole facilitates personnel to quickly lock the state of limiting disc.

[0004] However, in actual operation process, these designs still have some limitations. Specifically, when the low-temperature stop valve needs to be operated, the operator usually needs to press the knob with one hand to unlock or lock the limiting disc, while the other hand rotates the handle to open or close the stop valve. This two-handed operation is particularly inconvenient in the case of high locking force, because simply relying on one hand to rotate the handle can be very laborious, and even unable to complete the operation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of stop valve of quick opening and closing to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of stop valve of quick opening and closing, including stop valve body, the top of the stop valve body is provided with rod body, the bottom of the rod body is fixedly connected with the top of the lock rod in the inner cavity of stop valve body and passes through the top of stop valve body, the outer circle of the rod body is sleeved with rotating plate, the top of the rod body is fixed with handle, the surface of the stop valve body is provided with quick locking limiting component and the linkage assembly of the convenience of separate operation, the limiting component includes: installation groove, pull plate, spring one, plug rod, insertion hole, the linkage assembly includes:

[0007] Sliding slot, the sliding slot is opened in the surface of pull plate, the inner wall of the sliding slot is slidably connected with clamping block, the surface of the clamping block is fixed with spring two, the end away from the clamping block of the spring two is fixed on the inner wall of sliding slot.

[0008] Preferably, the linkage assembly further comprises a connecting groove, the connecting groove is arranged on the inner wall of the mounting groove, the inner wall of the connecting groove is fixed with a limiting block, the inner wall of the connecting groove is slidably connected with a linkage block, the bottom of the linkage block is fixed with a magnet one, the bottom of the inner wall of the connecting groove is fixed with a magnet two, the pull plate drives the clamping block to move downward, when the top of the clamping block and the bottom of the limiting block abut against each other, the limiting block limits the clamping block, so that the pull plate cannot drive the inserting rod to move upward to reset, when the pull plate is pulled downward again, the clamping block is located on the side of the linkage block away from the limiting block, at this time, the spring one is released, the pull plate, the inserting rod and the clamping block drive the linkage block to move close to the limiting block, when the surface of the linkage block and the surface of the limiting block are attached, the clamping block will move along the surface of the linkage block to the upper surface of the limiting block, and the limiting of the clamping block and the pull plate is released.

[0009] Preferably, the mounting groove is arranged on the surface of the stop valve body, the inner wall of the mounting groove is slidably connected with a pull plate, the bottom of the pull plate is fixed with a spring one, the bottom of the spring one is fixed on the inner wall bottom of the mounting groove, the top of the pull plate is fixed with an inserting rod, the surface of the rotating plate is provided with an inserting hole, the pull plate is pulled downward, the inserting rod is separated from the inserting hole, the rotating plate and the handle can be normally rotated, and the inserting rod enters the inserting hole to limit the rotating plate, the rod body and the handle.

[0010] Preferably, the end of the clamping block away from the spring two is provided with an inclined surface, when the clamping block is abutted, the clamping block can enter the sliding groove, and the downward movement of the clamping block is not affected.

[0011] Preferably, the limiting block is provided as a right-angled triangular block, and the linkage block is provided as a right-angled trapezoidal block, the surface of the limiting block is attached to the surface of the linkage block, and the limiting of the clamping block is released in cooperation with the spring one and the spring two.

[0012] Preferably, the linkage assembly is provided with two groups, and the two groups of linkage assemblies are symmetrically arranged with the center line of the mounting groove as the axis of symmetry, so that the stability of the limiting is improved.

[0013] Compared with the prior art, the utility model provides a stop valve which can be quickly opened and closed, and has the following beneficial effects:

[0014] 1、the stop valve which can be quickly opened and closed, when the pull plate moves downward, the clamping block moves downward, the top of the clamping block and the bottom of the limiting block abut against each other, the limiting block limits the clamping block, the pull plate cannot drive the inserting rod to move upward to reset, personnel can operate the handle with both hands, and the stop valve is convenient to operate alone, when the pull plate is pulled downward again, the clamping block is located on the side of the linkage block away from the limiting block, the spring one is released, the pull plate, the inserting rod and the clamping block drive the linkage block to move close to the limiting block, when the surface of the linkage block and the surface of the limiting block are attached, the clamping block will move along the surface of the linkage block to the upper surface of the limiting block, and the limiting of the clamping block and the pull plate is released, and the pull plate and the inserting rod are reset.

[0015] 2、The quick opening and closing stop valve, through the setting of the limiting assembly, the pull plate is pulled down, the spring one is compressed at the time, simultaneously drives the plug rod to separate from the plug hole, the rotating plate and the handle can be normally rotated at the time, when the spring one drives the pull plate and the plug rod to enter the plug hole, cooperating with the linkage assembly, the handle position on the stop valve body can be quickly locked, personnel for the stop valve body is conveniently and quickly adjusted, does not have to worry about the handle loose condition. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view structural schematic drawing of the utility model;

[0017] Figure 2 It is the side view structural schematic drawing of the utility model;

[0018] Figure 3 It is the linkage assembly, limiting assembly partial structural schematic drawing of the utility model;

[0019] Figure 4 It is the linkage assembly, limiting assembly partial sectional view structural schematic drawing of the utility model.

[0020] In the drawing: 1, stop valve body;2, rod body;3, handle;4, rotating plate;5, limiting assembly;50, installation groove;51, pull plate;52, spring one;53, plug rod;54, plug hole;6, linkage assembly;60, sliding slot;61, clamping block;62, spring two;63, connecting groove;64, linkage block;65, magnet one;66, magnet two;67, limiting block. DETAILED DESCRIPTION

[0021] As Figures 1-4As shown, the utility model provides a technical scheme: a quick opening and closing stop valve, including stop valve body 1, the top of stop valve body 1 is provided with stem 2, the bottom of stem 2 is fixedly connected with the top of the locking rod in the cavity of stop valve body 1 and the top of stop valve body 1 is penetrated, the outer ring of stem 2 is sleeved with rotating plate 4, the top of stem 2 is fixed with handle 3, the surface of stop valve body 1 is provided with quick locking limiting assembly 5 and the linkage assembly 6 of being convenient for separate operation, limiting assembly 5 includes: installation groove 50, pull plate 51, spring one 52, plug rod 53, plug hole 54, linkage assembly 6 includes: sliding slot 60, sliding slot 60 is set up on the surface of pull plate 51, the inner wall of sliding slot 60 is slidably connected with clamping block 61, the surface of clamping block 61 is fixed with spring two 62, the end of spring two 62 away from clamping block 61 is fixed on the inner wall of sliding slot 60, linkage assembly 6 still includes connecting groove 63, connecting groove 63 is set up on the inner wall of installation groove 50, the inner wall of connecting groove 63 is fixed with limiting block 67, the inner wall of connecting groove 63 is slidably connected with linkage block 64, the bottom of linkage block 64 is fixed with magnet one 65, the inner wall bottom of connecting groove 63 is fixed with magnet two 66, the bottom of the end of clamping block 61 away from spring two 62 is provided as inclined plane, limiting block 67 is provided as right triangle block, linkage block 64 is provided as right trapezoidal block, pull plate 51 drives clamping block 61 to descend synchronously, when the top of clamping block 61 and the bottom of limiting block 67 mutually resist, can make limiting block 67 limit clamping block 61, to make pull plate 51 unable to drive plug rod 53 to move up and reset, personnel can rotate handle 3 by both hands at this time, can be operated separately, pull down pull plate 51 again, when clamping block 61 is located at the side of linkage block 64 away from limiting block 67, at this time spring one 52 releases, pull plate 51, plug rod 53, clamping block 61 drive linkage block 64 to move close to limiting block 67, when the surface of linkage block 64 and the surface of limiting block 67 are attached, clamping block 61 will move to the upper surface of limiting block 67 along the surface of linkage block 64, and the limiting of clamping block 61, pull plate 51 is released. Linkage assembly 6 is provided with two groups, and the two groups of linkage assembly 6 are symmetrically arranged with the center line of installation groove 50 as the axis of symmetry, improve the stability of limiting.

[0022] Installation groove 50 is set up on the surface of stop valve body 1, the inner wall of installation groove 50 is slidably connected with pull plate 51, the bottom of pull plate 51 is fixed with spring one 52, the bottom of spring one 52 is fixed on the inner wall bottom of installation groove 50, the top of pull plate 51 is fixed with plug rod 53, the surface of rotating plate 4 is provided with plug hole 54, pull down pull plate 51, at this time spring one 52 is compressed, plug rod 53 is driven to separate from plug hole 54 at the same time, at this time rotating plate 4 and handle 3 can normally rotate, when plug rod 53 enters plug hole 54, the position of handle 3 on stop valve body 1 can be locked quickly, it is convenient for personnel to carry out the quick adjustment of stop valve body 1, need not worry about the loosening of handle 3.

[0023] When the handle 3 needs to be rotated, at this time, the pull plate 51 is pulled down, at this time, the spring one 52 is compressed, and simultaneously drives the plug rod 53 to be separated from the plug hole 54, at this time, the rotating plate 4 and the handle 3 can normally rotate, and simultaneously when the pull plate 51 moves downward, the clamping block 61 moves downward synchronously, when the inclined surface of the clamping block 61 and the top of the limiting block 67 abut, at this time, the clamping block 61 enters the sliding groove 60, and the spring two 62 is compressed, when the clamping block 61 is below the limiting block 67, at this time, the spring two 62 is released, the top of the clamping block 61 and the bottom of the limiting block 67 abut each other, that is, the limiting block 67 limits the clamping block 61, so that the pull plate 51 cannot drive the plug rod 53 to move upward and reset, at this time, personnel can rotate the handle 3 by both hands, that is, can be operated alone, when not needing to rotate, the pull plate 51 is pulled down again, the surface of the clamping block 61 abuts the surface of the connecting block 64, when the clamping block 61 is located on the side away from the limiting block 67, at this time, the spring one 52 is released, that is, can drive the pull plate 51 and the plug rod 53 to move upward, and simultaneously the clamping block 61 drives the connecting block 64 to move close to the limiting block 67, when the surface of the connecting block 64 and the surface of the limiting block 67 are attached, the clamping block 61 will move to the upper surface of the limiting block 67 along the surface of the connecting block 64, so as to release the limiting of the clamping block 61 and the pull plate 51, that is, can make the plug rod 53 inserted into the plug hole 54, and lock the rotating plate 4, the rod body 2 and the handle 3, so that personnel can quickly lock the position of the handle 3 on the stop valve body 1 after adjusting the stop valve body 1 each time, which facilitates personnel to quickly adjust the stop valve body 1, and does not have to worry about the loosening of the handle 3, and simultaneously the magnet two 66 attracts the magnet one 65 to move downward and reset, so as to drive the connecting block 64 to reset.

[0024] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A quick-opening shut-off valve comprising a shut-off valve body (1), characterized in that: The top of the stop valve body (1) is provided with a rod body (2), the bottom of the rod body (2) is fixedly connected with the lock rod top of the inner cavity of the stop valve body (1) through the top of the stop valve body (1), the outer circle of the rod body (2) is sleeved with a rotating plate (4), the top of the rod body (2) is fixedly connected with a handle (3), the surface of the stop valve body (1) is provided with a quick locking limiting assembly (5) and a linkage assembly (6) which is convenient for separate operation, the limiting assembly (5) comprises: a mounting groove (50), a pull plate (51), a spring (52), a plug rod (53), and a plug hole (54), the sliding groove (60) is arranged on the surface of the pull plate (51), the inner wall of the sliding groove (60) is slidably connected with a clamping block (61), the surface of the clamping block (61) is fixedly connected with a spring (62), and the end, away from the clamping block (61), of the spring (62) is fixed on the inner wall of the sliding groove (60).

2. The quick open and close shut-off valve according to claim 1, characterized in that: The linkage assembly (6) further comprises a connecting groove (63) arranged on the inner wall of the mounting groove (50), the inner wall of the connecting groove (63) is fixedly connected with a limiting block (67), the inner wall of the connecting groove (63) is slidably connected with a linkage block (64), the bottom of the linkage block (64) is fixedly connected with a magnet (65), and the inner wall bottom of the connecting groove (63) is fixedly connected with a magnet (66).

3. The quick open and close shut-off valve according to claim 1, characterized in that: The mounting groove (50) is arranged on the surface of the stop valve body (1), the inner wall of the mounting groove (50) is slidably connected with the pull plate (51), the bottom of the pull plate (51) is fixedly connected with the spring (52), the bottom of the spring (52) is fixed on the inner wall bottom of the mounting groove (50), the top of the pull plate (51) is fixedly connected with the plug rod (53), and the surface of the rotating plate (4) is provided with the plug hole (54).

4. The quick open and close shut-off valve according to claim 1, characterized in that: The end, away from the spring (62), of the clamping block (61) is provided with an inclined surface.

5. The quick open and close shut-off valve according to claim 2, characterized in that: The limiting block (67) is provided as a right triangle block, and the linkage block (64) is provided as a right trapezoidal block.

6. The quick open and close shut-off valve according to claim 1, characterized in that: The linkage assembly (6) is provided with two groups, and the two groups of linkage assemblies (6) are symmetrically arranged with the center line of the mounting groove (50) as the axis of symmetry.

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