CN216382635U

CN216382635U - Side-open knife gate valve

Info

Publication number: CN216382635U
Application number: CN202122527445.3U
Authority: CN
Inventors: 徐孙克; 张波; 陈红斌
Original assignee: Dide Valve Group Co ltd
Current assignee: Dide Valve Group Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-26
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a side-opening knife type gate valve, which belongs to the technical field of gate valves and comprises a valve body, wherein flange plates are fixedly connected to two sides of the valve body, a knife groove is formed in the valve body, a valve knife is connected in the knife groove in a sliding manner, a butt joint device is fixedly connected to the upper end of the valve knife, a sliding groove is formed in the upper end of the valve body, the butt joint device is connected in the sliding groove in a sliding manner, a long cylinder is fixedly connected to the upper end of the valve body, an installation cylinder is fixedly connected to the upper end of the long cylinder, a lifting assembly is arranged in the long cylinder and used for driving the valve knife to lift, and a driving assembly and a self-locking assembly are arranged on the installation cylinder; bolt and joint piece disconnect-type design, when the valve body does not use, dismantle the handle, then unified management, the registration is used, and definite use record needs two people's cooperation just can rotate the drive shaft to play the effect of supervising each other, avoid irrelevant personnel to open or close the valve body privately, improve the security.

Description

Side-open knife gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to a side-opening knife-type gate valve.

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. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.

The valve body adopts precision casting, and accurate geometric dimensions makes the inside leakproofness that can guarantee the valve of valve without any finish machining of valve body, and the switch of gate valve control rivers, general gate valve all can directly open and close, but in important places such as reservoir, dam, the gate valve of direct switch can be opened by the people by mistake, and the security reduces, just can open alone, lacks the effect of supervising each other.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a side-opening knife-type gate valve, aiming at solving the problems that in important places such as reservoirs and dams, a gate valve which is directly opened and closed can be opened by people by mistake, the safety is reduced, and the gate valve can be opened by one person and lacks mutual supervision.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a side open sword type gate valve, includes the valve body, the equal fixedly connected with ring flange in both sides of valve body, seted up the sword groove in the valve body, sliding connection has the valve sword in the sword groove, the upper end fixedly connected with butt-joint ware of valve sword, the spout has been seted up to the upper end of valve body, butt-joint ware sliding connection is in the spout, the long section of thick bamboo of upper end fixedly connected with of valve body, the upper end fixedly connected with installation section of thick bamboo of a long section of thick bamboo, be provided with lifting unit in the long section of thick bamboo, lifting unit is used for driving the valve sword and goes up and down, be provided with drive assembly and auto-lock subassembly on the installation section of thick bamboo, drive assembly is used for driving the lift of lift subassembly, the auto-lock subassembly is used for pinning drive assembly and rotates.

As a preferable scheme of the present invention, the lifting assembly includes a U-shaped frame, a screw sleeve, and a ball screw, the U-shaped frame is fixedly connected to the upper end of the butt connector, the screw sleeve is fixedly connected to the upper end of the U-shaped frame, the ball screw is in threaded connection with the screw sleeve, the upper end of the ball screw is rotatably connected to the upper inner wall of the long cylinder, and the upper end of the ball screw penetrates through the lower inner wall of the mounting cylinder.

As a preferable aspect of the present invention, the driving assembly includes a first bevel gear fixedly coupled to an upper end of the ball screw, a driving shaft rotatably coupled between inner walls of the mounting cylinder and having one end penetrating one side of the mounting cylinder, and a second bevel gear fixedly coupled to a circumferential surface of the driving shaft, the first bevel gear being engaged with the second bevel gear.

As a preferable scheme of the present invention, the driving assembly further includes a clamping block, a handle and a bolt, the clamping block is fixedly connected to one end of the driving shaft, one end of the bolt is movably inserted into the clamping block, and the handle is fixedly connected to the other end of the bolt.

As a preferable scheme of the present invention, the self-locking assembly includes a chuck fixedly connected to a circumferential surface of the driving shaft, and a locking groove opened in the circumferential surface of the chuck.

As a preferred scheme of the utility model, the self-locking assembly further comprises a fixture block short rod, a handle and a spring, the fixture block is movably inserted into the clamping groove, the short rod is fixedly connected to the upper end of the fixture block, the spring is sleeved on the surface of the short rod, the upper end of the mounting cylinder is fixedly connected with a sealing plate, the upper end of the short rod movably penetrates through the sealing plate, and the handle is fixedly connected to the upper end of the short rod.

Compared with the prior art, the utility model has the advantages that:

(1) according to the utility model, the bolt is driven to rotate by the handle, the bolt drives the clamping block to rotate, the clamping block drives the driving shaft to rotate, the driving shaft drives the first bevel gear to rotate by the second bevel gear so as to drive the ball screw to rotate, the bolt and the clamping block are designed in a separated mode, when the valve body is not used, the handle is disassembled, then unified management, registration and use are carried out, the use record is made clear, the valve body is prevented from being opened or closed by theft, and the safety is improved.

(2) The clamping block is pushed to be inserted into the clamping groove by the elasticity of the spring, and cannot be separated from the clamping groove when no external force exists, so that the rotation of the chuck is blocked, the rotation of the driving shaft is further blocked, the handle is moved upwards to drive the short rod to move upwards, the short rod drives the clamping block to move upwards, the clamping block is separated from the clamping groove, and the driving shaft is unlocked.

Drawings

FIG. 1 is an overall block diagram of the present invention;

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

FIG. 3 is an overall exploded view of the present invention;

fig. 4 is an exploded view of the drive assembly of the present invention.

The reference numbers in the figures illustrate:

1. a valve body; 2. a flange plate; 4. a long cylinder; 5. a closing plate; 6. a cutter groove; 7. a valve knife; 8. a butt joint device; 9. a U-shaped frame; 10. a screw rod sleeve; 11. a ball screw; 12. a first bevel gear; 13. a drive shaft; 14. a clamping block; 15. a handle; 16. a bolt; 17. a chuck; 18. a card slot; 19. a clamping block; 20. a short bar; 21. a grip; 22. a spring; 23. mounting the cylinder; 24. a chute; 27. a second bevel gear.

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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

please refer to fig. 1-4, a side-opening knife gate valve, which comprises a valve body 1, flange plates 2 are fixedly connected to both sides of the valve body 1, a knife groove 6 is formed in the valve body 1, the knife groove 6 is slidably connected with a valve knife 7, an upper end of the valve knife 7 is fixedly connected with a butt joint device 8, a chute 24 is formed in the upper end of the valve body 1, the butt joint device 8 is slidably connected in the chute 24, a long cylinder 4 is fixedly connected to the upper end of the valve body 1, an installation cylinder 23 is fixedly connected to the upper end of the long cylinder 4, a lifting assembly is arranged in the long cylinder 4, the lifting assembly is used for driving the valve knife 7 to lift, a driving assembly and a self-locking assembly are arranged on the installation cylinder 23, the driving assembly is used for driving the lifting assembly to lift, and the self-locking assembly is used for locking the driving assembly to rotate.

In this embodiment, it rotates to drive bolt 16 through handle 15, bolt 16 drives joint piece 14 and rotates, joint piece 14 drives drive shaft 13 and rotates, drive shaft 13 drives first bevel gear 12 through second bevel gear 27 and rotates, thereby it rotates to drive ball screw 11, bolt 16 and the design of joint piece 14 disconnect-type, when valve body 1 does not use, dismantle handle 15, then unified management, the registration is used, make clear use of record, avoid stealing to open or close valve body 1, improve the security, fixture block 19's design, aim at is difficult to rotate joint piece 14 alone, it just can rotate drive shaft 13 to need the cooperation of two people, thereby play the effect of supervising mutually, avoid irrelevant personnel to open or close valve body 1 privately.

Specifically, lifting unit includes U-shaped frame 9, screw cover 10 and ball screw 11, and U-shaped frame 9 fixed connection is in the upper end of butt joint ware 8, and screw cover 10 fixed connection is in the upper end of U-shaped frame 9, and ball screw 11 threaded connection is in screw cover 10, and ball screw 11's upper end is rotated and is connected in the last inner wall of long section of thick bamboo 4, and ball screw 11's upper end runs through the lower inner wall of installation section of thick bamboo 23.

In this embodiment, the butt joint device 8 is arranged between the valve knife 7 and the U-shaped frame 9, the screw rod sleeve 10 is located at the center of the upper end of the U-shaped frame 9, the ball screw 11 drives the screw rod sleeve 10 to move up and down when rotating, the screw rod sleeve 10 drives the U-shaped frame 9 to move up and down, the U-shaped frame 9 drives the butt joint device 8 to move up and down, the butt joint device 8 drives the valve knife 7 to move up and down, and the valve body 1 is opened or closed.

Specifically, the driving assembly comprises a first bevel gear 12, a driving shaft 13 and a second bevel gear 27, the first bevel gear 12 is fixedly connected to the upper end of the ball screw 11, the driving shaft 13 is rotatably connected between the inner walls of the mounting cylinder 23, one end of the driving shaft 13 penetrates through one side of the mounting cylinder 23, the second bevel gear 27 is fixedly connected to the circumferential surface of the driving shaft 13, the first bevel gear 12 is meshed with the second bevel gear 27, the driving assembly further comprises a clamping block 14, a handle 15 and a bolt 16, the clamping block 14 is fixedly connected to one end of the driving shaft 13, one end of the bolt 16 is movably inserted into the clamping block 14, and the handle 15 is fixedly connected to the other end of the bolt 16.

In this embodiment, drive bolt 16 through handle 15 and rotate, bolt 16 drives joint piece 14 and rotates, joint piece 14 drives drive shaft 13 and rotates, drive shaft 13 drives first bevel gear 12 through second bevel gear 27 and rotates to drive ball screw 11 and rotate, bolt 16 and joint piece 14 disconnect-type design, when valve body 1 does not use, dismantle handle 15, then unified management, the registration is used, use record clearly and definitely, avoid stealing to open or close valve body 1, the security improves.

Specifically, the auto-lock subassembly includes chuck 17 and draw-in groove 18, chuck 17 fixed connection is in the circumferential surface of drive shaft 13, the circumferential surface of chuck 17 is seted up to draw-in groove 18, the auto-lock subassembly still includes fixture block 19 quarter butt 20, handle 21 and spring 22, fixture block 19 activity is pegged graft in draw-in groove 18, quarter butt 20 fixed connection is in fixture block 19's upper end, the surface of quarter butt 20 is located to spring 22 cover, the upper end fixedly connected with closing plate 5 of installation section of thick bamboo 23, closing plate 5 is run through in the upper end activity of quarter butt 20, handle 21 fixed connection is in the upper end of quarter butt 20.

In this embodiment, utilize spring 22's elasticity to promote in fixture block 19 inserts draw-in groove 18, can not separate with draw-in groove 18 when no external force, thereby block chuck 17 and rotate, and then block drive shaft 13 and rotate, upward movement handle 21 drives short bar 20 rebound, short bar 20 drives fixture block 19 rebound, make fixture block 19 and draw-in groove 18 separation, thereby untie drive shaft 13, fixture block 19's design, aim at is difficult to rotate joint piece 14 alone, it could rotate drive shaft 13 to need two people's cooperation, thereby play the effect of supervising each other, avoid irrelevant personnel to open or close valve body 1 privately.

The working principle is as follows: drive bolt 16 through handle 15 and rotate, bolt 16 drives joint piece 14 and rotates, joint piece 14 drives drive shaft 13 and rotates, drive shaft 13 drives first bevel gear 12 through second bevel gear 27 and rotates, thereby drive ball screw 11 and rotate, bolt 16 and the design of joint piece 14 disconnect-type, when valve body 1 does not use, dismantle handle 15, then unified management, the registration is used, make clear and definite use record, avoid stealing to open or close valve body 1, the security is improved, fixture block 19's design, aim at is difficult to rotate joint piece 14 alone, it can rotate drive shaft 13 to need the cooperation of two people to cooperate, thereby play the effect of supervising mutually, avoid irrelevant personnel to open or close valve body 1 privately.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a side open knife gate valve, includes valve body (1), its characterized in that: the equal fixedly connected with ring flange (2) in both sides of valve body (1), sword groove (6) have been seted up in valve body (1), sliding connection has valve sword (7) in sword groove (6), the upper end fixedly connected with butt connector (8) of valve sword (7), spout (24) have been seted up to the upper end of valve body (1), butt connector (8) sliding connection is in spout (24), the long section of thick bamboo (4) of upper end fixedly connected with of valve body (1), the upper end fixedly connected with installation section of thick bamboo (23) of a long section of thick bamboo (4), be provided with lifting unit in a long section of thick bamboo (4), lifting unit is used for driving valve sword (7) and goes up and down, be provided with drive assembly and auto-lock subassembly on installation section of thick bamboo (23), drive assembly is used for driving lifting unit and goes up and down, auto-lock subassembly is used for pinning drive assembly and rotates.

2. The side-opening knife gate valve of claim 1, wherein: lifting unit includes U-shaped frame (9), lead screw cover (10) and ball screw (11), U-shaped frame (9) fixed connection is in the upper end of butt joint ware (8), lead screw cover (10) fixed connection is in the upper end of U-shaped frame (9), ball screw (11) threaded connection is in lead screw cover (10), the upper end of ball screw (11) is rotated and is connected in the last inner wall of a long section of thick bamboo (4), and the lower inner wall of an installation section of thick bamboo (23) is run through to the upper end of ball screw (11).

3. A side-opening knife gate valve as claimed in claim 2, wherein: the driving assembly comprises a first bevel gear (12), a driving shaft (13) and a second bevel gear (27), wherein the first bevel gear (12) is fixedly connected to the upper end of the ball screw (11), the driving shaft (13) is rotatably connected between the inner walls of the mounting cylinder (23), one end of the driving shaft (13) penetrates through one side of the mounting cylinder (23), the second bevel gear (27) is fixedly connected to the circumferential surface of the driving shaft (13), and the first bevel gear (12) is meshed with the second bevel gear (27).

4. A side-opening knife gate valve as claimed in claim 3, wherein: the driving assembly further comprises a clamping block (14), a handle (15) and a bolt (16), the clamping block (14) is fixedly connected to one end of the driving shaft (13), one end of the bolt (16) is movably inserted into the clamping block (14), and the handle (15) is fixedly connected to the other end of the bolt (16).

5. The side-opening knife gate valve of claim 4, wherein: the self-locking assembly comprises a chuck (17) and a clamping groove (18), the chuck (17) is fixedly connected to the circumferential surface of the driving shaft (13), and the clamping groove (18) is arranged on the circumferential surface of the chuck (17).

6. The side-opening knife gate valve of claim 5, wherein: the self-locking assembly further comprises a fixture block (19), a short rod (20), a handle (21) and a spring (22), the fixture block (19) is movably inserted into the clamping groove (18), the short rod (20) is fixedly connected to the upper end of the fixture block (19), the surface of the short rod (20) is sleeved with the spring (22), the upper end of the installation cylinder (23) is fixedly connected with the sealing plate (5), the upper end of the short rod (20) movably penetrates through the sealing plate (5), and the handle (21) is fixedly connected to the upper end of the short rod (20).