CN110873223A

CN110873223A - Valve with detachable valve rod

Info

Publication number: CN110873223A
Application number: CN201911171274.6A
Authority: CN
Inventors: 樊瑞庆
Original assignee: Sheng Fu (tianjin) Fluid Automatic Control Equipment Co Ltd
Current assignee: Sheng Fu (tianjin) Fluid Automatic Control Equipment Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-03-10

Abstract

The invention discloses a valve with a detachable valve rod, which belongs to the field of valves and comprises a valve body and a valve cover, wherein the valve body and the valve cover are fixed together through bolts, a sealing ring is arranged at the joint of the valve body and the valve cover, the valve rod is movably arranged on the valve cover, a hand wheel is arranged at the top end of the valve rod, a limiting block is welded at the bottom end of the valve rod, a valve plate is arranged in the valve body, a rotating shaft is welded at the top end of the valve plate, a lifting plate is movably arranged in the valve body, an installation block is fixed on the upper surface of the lifting plate, a limiting groove is formed in the installation block, a rotating plate is rotatably arranged in the valve; the valve rod dismounting device is novel in design, can conveniently dismount the valve rod, prevents other people from operating the valve, avoids accidental opening and closing of the valve, is high in practicability and convenient to operate, and is worthy of popularization.

Description

Valve with detachable valve rod

Technical Field

The invention belongs to the technical field of valves, and particularly relates to a valve with a detachable valve rod.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system.

The valve is widely applied to various equipment and devices, but the valve rod can not be dismantled to current valve, and the user is after having used up the valve many times, and the unable dismantlement of valve rod of valve can lead to appearing the condition emergence of being used by other people, can cause certain damage to the valve, and then has reduced the practicality of valve.

Disclosure of Invention

The present invention is directed to a valve with a detachable valve stem, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a valve with a detachable valve rod comprises a valve body and a valve cover, wherein the valve body and the valve cover are fixed together through bolts, a sealing ring is arranged at the joint of the valve body and the valve cover, a valve rod is movably arranged on the valve cover, a hand wheel is installed at the top end of the valve rod, a limiting block is welded at the bottom end of the valve rod, a valve plate is arranged in the valve body, a rotating shaft is welded at the top end of the valve plate, a lifting plate is movably arranged in the valve body, an installation block is fixed on the upper surface of the lifting plate, a limiting groove is formed in the installation block, a rotating plate is rotatably installed in the valve body, a sealing gasket is arranged on the lower surface of the rotating plate, the top end of the rotating shaft penetrates through the sealing gasket and is welded on the rotating plate, a fixing block is symmetrically welded on the upper surface of the rotating plate, the lower surface of the lifting plate is connected with a second spring, and one end of the second spring is connected to the rotating plate.

Adopt above-mentioned scheme, the valve rod activity sets up in the valve gap, when needs are opened or are closed the valve, the valve rod inserts in the valve gap, utilize the stopper of valve rod bottom to insert the spacing inslot of installation piece, then the application of force makes the lifter plate move down, at the in-process of lifter plate removal down, the inserted block inserts in the slot of fixed block, the fixed slot is extruded with first wedge to second wedge simultaneously, the hand wheel rotates, can drive the valve plate and rotate, thereby open or close the valve, because the corresponding of the shape of inserted block and stopper isotructure, consequently only adopt the supporting valve rod of this device to open and shut the valve, prevented that other people from operating the valve, accomplish opening or closing the back of valve, directly extract the valve rod can, realize the locking of valve, convenient operation, and is worth promoting.

In a preferred embodiment, the seal ring and the gasket are made of rubber.

By adopting the scheme, the sealing ring and the sealing gasket made of rubber materials ensure the whole sealing performance of the valve.

As a preferred embodiment, the limiting block is located right above the limiting groove, the limiting block is of a cuboid structure, the cross section of the limiting groove is of a rectangular structure, and the size of the limiting block is matched with that of the limiting groove.

By adopting the scheme, the limiting block is inserted into the limiting groove, so that the valve rod is clamped with the mounting block, the valve rod rotates to drive the lifting plate to rotate, the dismounting is convenient, and the valve rod can be pulled out.

In a preferred embodiment, the slot is located right above the insert block, and the slot is matched with the insert block in size.

By adopting the scheme, in the descending process of the lifting plate, the insertion block is driven to be inserted into the fixed insertion slot on the fixed block, and the lifting plate rotates to drive the rotating plate to rotate, so that the valve plate is controlled to rotate, and the valve is opened and closed.

In a preferred embodiment, the first wedge block is matched with the size of the fixing groove, and the first wedge block is positioned in the second wedge block.

By adopting the scheme, the first wedge block is matched with the size of the fixed groove, after the valve rod is pulled out, the lifting plate is restored to the original position under the action of the first spring and the second spring, and the first wedge block is clamped in the fixed groove to fix the rotating plate.

Compared with the prior art, the invention has the beneficial effects that:

the valve with the detachable valve rod has the advantages that the valve rod, the limiting block, the lifting plate, the mounting block, the limiting groove, the rotating plate, the fixing block, the inserting groove and the like are arranged, so that the opening and closing of the valve are conveniently realized, the valve is prevented from being operated by others, the locking of the valve is realized, the operation is convenient, and the valve is worthy of popularization;

this valve of valve rod can be dismantled is through setting up structures such as wedge one, wedge two, fixed slot, spring one and spring etc for behind the valve rod of extracting, the valve rod that only utilizes in this device could be operated to lifter plate and the recovery normal position of wedge, and further the security of having ensured the valve, the practicality is high, is worth promoting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2;

fig. 4 is a plan view of the fixing block of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a seal ring; 4. a valve stem; 5. a hand wheel; 6. a limiting block; 7. a valve plate; 8. a rotating shaft; 9. a lifting plate; 10. mounting blocks; 11. a limiting groove; 12. a rotating plate; 13. a gasket; 14. a fixed block; 15. a slot; 16. fixing grooves; 17. a first spring; 18. a first wedge block; 19. inserting a block; 20. a second wedge block; 21. and a second spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-4, the invention provides a valve with a detachable valve rod, which comprises a valve body 1 and a valve cover 2, wherein the valve body 1 and the valve cover 2 are fixed together through bolts, a sealing ring 3 is arranged at the joint of the valve body 1 and the valve cover 2, and the sealing ring 3 and a sealing gasket 13 are made of rubber (see fig. 1-2); the sealing ring 3 and the sealing gasket 13 made of rubber ensure the whole sealing performance of the valve.

A valve rod 4 is movably arranged on the valve cover 2, a hand wheel 5 is installed at the top end of the valve rod 4, a limiting block 6 is welded at the bottom end of the valve rod 4, a valve plate 7 is arranged in the valve body 1, a rotating shaft 8 is welded at the top end of the valve plate 7, a lifting plate 9 is movably arranged in the valve body 1, an installation block 10 is fixed on the upper surface of the lifting plate 9, a limiting groove 11 is formed in the installation block 10, the limiting block 6 is located right above the limiting groove 11, the limiting block 6 is of a cuboid structure, the cross section of the limiting groove 11 is of a rectangular structure, and the size of the limiting block; stopper 6 inserts limiting groove 11 for valve rod 4 blocks with installation piece 10, and valve rod 4 rotates and can drive lifter plate 9 and rotate, and it is convenient to dismantle, and it can to extract valve rod 4.

A rotating plate 12 is rotatably mounted in the valve body 1, a sealing gasket 13 is arranged on the lower surface of the rotating plate 12, the top end of the rotating shaft 8 penetrates through the sealing gasket 13 and is welded on the rotating plate 12, fixed blocks 14 are symmetrically welded on the upper surface of the rotating plate 12, a slot 15 and a fixed slot 16 are formed in the fixed blocks 14, springs 17 are connected to two side walls of the valve body 1, one end of each spring 17 is connected with a wedge block 18, an inserting block 19 and a wedge block 20 are symmetrically welded on the lower surface of the lifting plate 9, the slot 15 is located right above the inserting block 19, and the size of the slot 15 is matched with that of the inserting block 19 (; in the process of descending the lifting plate 9, the insertion block 19 is driven to be inserted into the fixed insertion slot 15 on the fixed block 14, and the lifting plate 9 rotates to drive the rotating plate 12 to rotate, so that the rotation of the valve plate 7 is controlled, and the opening and closing of the valve are realized.

The lower surface of the lifting plate 9 is connected with a second spring 21, one end of the second spring 21 is connected to the rotating plate 12, the first wedge-shaped block 18 is matched with the fixed groove 16 in size, and the first wedge-shaped block 18 is located on the second wedge-shaped block 20 and is matched in size (see fig. 3-4); the first wedge block 18 is matched with the fixed groove 16 in size, after the valve rod 4 is pulled out, the lifting plate 9 is restored to the original position under the action of the first spring 17 and the second spring 21, and the first wedge block 18 is clamped in the fixed groove 16 to fix the rotating plate 12.

When the valve is used, when the valve needs to be opened or closed, the valve rod 4 is inserted into the valve cover 2, the limiting block 6 at the bottom of the valve rod 4 is inserted into the limiting groove 11 of the mounting block 10, then the lifting plate 9 moves downwards by applying force, the spring II 21 is compressed in the downward movement process of the lifting plate 9, the inserting block 19 is inserted into the slot 15 of the fixing block 14, the wedge block II 20 extrudes the wedge block I18 out of the fixing groove 16 and compresses the spring I, at the moment, the hand wheel 5 is rotated to drive the rotating plate 12 to rotate, so as to drive the valve plate to rotate and open or close the valve, and as the shapes of the structures of the inserting block 19, the limiting block 6 and the like are corresponding, the valve rod 4 matched with the device can be opened and closed, the operation can be completed by corresponding steps, the operation of the valve by other people is prevented, and the valve can be directly pulled out after the opening or closing, realize the locking of valve, convenient operation is worth promoting.

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. The utility model provides a can dismantle valve of valve rod, includes valve body (1) and valve gap (2), its characterized in that: the valve body (1) is fixedly connected with the valve cover (2) through bolts, a sealing ring (3) is arranged at the joint of the valve body (1) and the valve cover (2), a valve rod (4) is movably arranged on the valve cover (2), a hand wheel (5) is installed at the top end of the valve rod (4), a limiting block (6) is welded at the bottom end of the valve rod (4), a valve plate (7) is arranged in the valve body (1), a rotating shaft (8) is welded at the top end of the valve plate (7), a lifting plate (9) is movably arranged in the valve body (1), an installation block (10) is fixed on the upper surface of the lifting plate (9), a limiting groove (11) is formed in the installation block (10), a rotating plate (12) is rotatably installed in the valve body (1), a sealing gasket (13) is arranged on the lower surface of the rotating plate (12), the top end of the rotating shaft (8) penetrates through the sealing gasket (, the novel lifting valve is characterized in that a slot (15) and a fixing slot (16) are formed in the fixing block (14), a first spring (17) is connected to two side walls of the valve body (1), a first wedge block (18) is connected to one end of the first spring (17), an inserting block (19) and a second wedge block (20) are symmetrically welded to the lower surface of the lifting plate (9), a second spring (21) is connected to the lower surface of the lifting plate (9), and one end of the second spring (21) is connected to the rotating plate (12).

2. A valve of claim 1, wherein: the sealing ring (3) and the sealing gasket (13) are made of rubber materials.

3. A valve of claim 1, wherein: stopper (6) are located spacing groove (11) directly over, stopper (6) are the cuboid structure, and the cross-sectional view of spacing groove (11) is the rectangle structure, and stopper (6) and spacing groove (11) size phase-match.

4. A valve of claim 1, wherein: the slot (15) is positioned right above the insertion block (19), and the size of the slot (15) is matched with that of the insertion block (19).

5. A valve of claim 1, wherein: the size of the first wedge-shaped block (18) is matched with that of the fixed groove (16), and the size of the first wedge-shaped block (18) is matched with that of the second wedge-shaped block (20).