CN217029967U

CN217029967U - Valve head capable of achieving multi-angle installation in narrow space

Info

Publication number: CN217029967U
Application number: CN202220914845.1U
Authority: CN
Inventors: 周山; 龚节毛; 邹吉; 李弦; 彭治铭; 周景华
Original assignee: Chongqing Pengshui Drainage Co ltd
Current assignee: Chongqing Pengshui Drainage Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-22
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to the technical field of valves, and the device comprises a valve head which can realize multi-angle installation in a narrow space, and comprises a valve body, wherein one side of the valve body is connected with a valve head main body, a valve rod and an output shaft are respectively arranged on the valve body and the valve head main body, the valve rod and the output shaft are connected through a multi-angle connecting piece, and the multi-angle connecting piece comprises: the disc is fixedly connected with the output shaft of the valve head main body, the periphery of the disc is provided with a lug, one side of the lug is provided with a threaded connecting rod, and a compression nut is sleeved on the threaded connecting rod; the valve head main body can be connected and installed with the valve body at any angle, and is more flexible to install in a small space and higher in applicability.

Description

Valve head capable of achieving multi-angle installation in narrow space

Technical Field

The utility model relates to the technical field of valves, in particular to a valve head capable of realizing multi-angle installation in a narrow space.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

In the valve maintenance work, discover the unable normal switch of some valves, because of in the well, because of the narrow and small position restriction in space, the handle of valve head main part can produce the conflict with the lateral wall of well, can't install valve head main part, if need normal installation then can only destroy the lateral wall of well, constructor in order to avoid the unable installation of valve head main part, installs valve head main part and turns over the dress, although installed valve head main part, but unable the use.

Disclosure of Invention

Aiming at the problems in the prior art, the technical problems to be solved by the utility model are as follows: the valve head main body can not be normally installed due to the position limitation of narrow space.

In order to solve the technical problem, the utility model adopts the following technical scheme: a valve head for realizing multi-angle installation in a narrow space comprises a valve body, wherein one side of the valve body is connected with a valve head main body, a valve rod and an output shaft are respectively arranged on the valve body and the valve head main body, the valve rod and the output shaft are connected through a multi-angle connecting piece, the multi-angle connecting piece comprises a disc and a sleeve, the disc is fixedly connected with the output shaft of the valve head main body, lugs are arranged on the peripheral side of the disc, a threaded connecting rod is arranged on one side of each lug, and a compression nut is sleeved on each threaded connecting rod; the sleeve and the valve rod are connected through a key, the circumferential side of the sleeve is provided with a convex edge in a surrounding mode, the convex edge is located between the compression nut and the lug, the sleeve and the disc are attached to one side close to each other, and separable fixed connection is formed between the sleeve and the disc. Through the structure of the multi-angle connecting piece, the valve head main body can be connected with the valve body at any angle for installation.

Preferably, the lugs are arranged in a plurality and distributed in a surrounding manner by taking the circle center of the disc as a midpoint; this structure makes the connection of the disc and the rotating sleeve more stable.

Preferably, the threaded connecting rod is sleeved with a widened pressing sheet, and the widened pressing sheet is positioned on one side, close to the convex edge, of the compression nut; the structure ensures that the sleeve and the disc are more stable after being connected.

Preferably, a round hole is formed in one side of the sleeve, a key groove is formed in the inner wall of the round hole, a key block is arranged at one end of the valve rod, and the key block is matched with the key groove in structure; the structure enables key connection between the sleeve and the valve rod.

Preferably, a partition plate is arranged in the valve body, a supporting plate is fixedly sleeved outside the valve rod, and a spring is connected between the supporting plate and the partition plate; the structure ensures that the upward moving operation of the valve rod is more stable.

Preferably, the output shaft is connected with the valve head main body in a sliding mode, the output shaft is sleeved with the threaded cylinder, the threaded cylinder is rotatably arranged in the valve head main body, the threaded cylinder is fixedly sleeved with the worm wheel, one side of the worm wheel is connected with the worm in a meshed mode, the worm is rotatably connected with the valve head main body, and one end of the worm penetrates through the outer wall of the valve head main body to be connected with the handle; the structure makes the operator save labor and convenient.

Compared with the prior art, the utility model has at least the following advantages:

the valve head main body can be connected and installed with the valve body at any angle, the installation is more flexible in a small space, the applicability is higher, fine protruding teeth are respectively arranged on the sides, close to the sleeve and the disc, of the sleeve and the disc in a surrounding mode, when the sleeve and the disc are attached, the sleeve and the disc can be kept relatively fixed, meanwhile, the sleeve and the disc are connected through the compression of the compression nut in a compressing mode, the sleeve and the disc can be separated through loosening of the compression nut, and after the sleeve and the disc are separated, an operator can rotate the sleeve at will to adjust the key groove on the sleeve to any angle in a rotating mode, the sleeve can be in butt joint with the valve rod at any angle, and therefore the valve head main body can be connected with the valve body at any angle.

Drawings

Fig. 1 is a schematic view of an internal structure of a valve head for multi-angle installation in a narrow space.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a top view of a disk of a valve head for multi-angle installation in a narrow space.

FIG. 4 is a top view of a valve head sleeve for multi-angle installation in a narrow space.

FIG. 5 is a bottom view of a sleeve of a valve head for multi-angle installation in a narrow space.

Fig. 6 is a top view of the internal structure of the reducer body of the valve head for realizing multi-angle installation in a narrow space.

FIG. 7 is a sectional view of an output shaft of a valve head for multi-angle installation in a narrow space.

In the figure, a valve body-1, a valve rod-11, a key block-111, a spring-12, a partition plate-13, a support plate-14, a speed reducer main body-2, a worm-21, a worm wheel-22, a threaded cylinder-23, an output shaft-24, a multi-angle connecting piece-3, a disc-31, a lug-32, a threaded connecting rod-33, a sleeve-34, a convex edge-35, a compression nut-36 and a widening pressing piece-37.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-7, a valve head for realizing multi-angle installation in a narrow space comprises a valve body 1, one side of the valve body 1 is connected with a valve head main body 2, a valve rod 11 and an output shaft 24 are respectively arranged on the valve body 1 and the valve head main body 2, and the valve rod 11 and the output shaft 24 are connected through a multi-angle connecting piece 3.

The multi-angle connecting piece 3 comprises a disc 31 and a sleeve 34, the disc 31 is fixedly connected with the output shaft 24 of the valve head body 2, a lug 32 is arranged on the peripheral side of the disc 31, a threaded connecting rod 33 is arranged on one side of the lug 32, and a compression nut 36 is sleeved on the threaded connecting rod 33.

The sleeve 34 is in key connection with the valve rod 11, a convex edge 35 is arranged around the periphery of the sleeve 34, the convex edge 35 is located between the compression nut 36 and the lug 32, the close sides of the sleeve 34 and the disc 31 are attached to each other, and the sleeve 34 and the disc 31 are in separable fixed connection.

The output shaft 24 of the traditional valve head main body 2 is connected with the valve rod 11 through a key, the key and the key groove can be connected with the valve rod 11 only by aligning completely, and the key on the valve rod 11 is positioned at which angle, so that the valve head main body 2 must rotate to a corresponding unique angle to align the key groove on the output shaft 24 with the key on the valve rod 11 for installation, and the installation angle of the valve head main body 2 is single and fixed, when the valve is positioned in a narrow space, the situation of clamping and collision is easy to occur, and the applicability is poor, and the valve head main body 2 can be connected with the valve body 1 at any angle through the structure of the multi-angle connecting piece 3.

One side that sleeve 34 and disc 31 are close to mutually encircles respectively and is provided with fine and close dogtooth, when both laminating, then can keep relatively fixed, both connect through gland nut 36's compressing tightly simultaneously, loosen gland nut 36 alright let both separate, both after-separating, the operator can rotate sleeve 34 wantonly, can be with the rotatory regulation of keyway to arbitrary angle on the sleeve 34, make sleeve 34 all can dock with valve rod 11 at arbitrary angle, and then realize that valve head main part 2 can be connected with valve body 1 with arbitrary angle, the installation is more nimble in the little space, the suitability is higher.

A plurality of lugs 32 are arranged, and the lugs 32 are distributed around the center of the circle of the disc 31; the plurality of lugs 32 allows the disc 31 to be more uniformly connected to the rotating sleeve 34.

A widening pressing sheet 37 is sleeved on the threaded connecting rod 33, and the widening pressing sheet 37 is positioned on one side of the compression nut 36 close to the convex edge 35; the wider pressing tab 37 has a larger area so that the compression nut 36 can apply a larger area of pressure to the ledge 35, making the sleeve 34 and the disc 31 more stable after attachment.

One side of the sleeve 34 is provided with a round hole, the inner wall of the round hole is provided with a key groove, one end of the valve rod 11 is provided with a key block 111, and the key block 111 is matched with the key groove in structure; the key block 111 can be snapped into the key slot to allow for a keyed connection between the sleeve 34 and the valve stem 11.

A partition plate 13 is arranged in the valve body 1, a support plate 14 is fixedly sleeved outside the valve rod 11, and a spring 12 is connected between the support plate 14 and the partition plate 13; the spring 12 can provide elastic supporting force for the valve rod 11, assist the opening of the valve rod 11, and make the upward movement of the valve rod 11 more stable.

The output shaft 24 is connected with the valve head main body 2 in a sliding mode, the output shaft 24 is externally sleeved with a threaded cylinder 23, the threaded cylinder 23 is rotatably arranged in the valve head main body 2, a worm wheel 22 is fixedly sleeved outside the threaded cylinder 23, one side of the worm wheel 22 is connected with a worm 21 in a meshed mode, the worm 21 is rotatably connected with the valve head main body 2, and one end of the worm 21 penetrates through the outer wall of the valve head main body 2 to be connected with a handle; the worm 21 is driven to rotate through the rotating handle, the worm 21 drives the threaded cylinder 23 to rotate through the worm wheel 22, the threaded cylinder 23 drives the output shaft 24 connected with the middle thread to linearly move, the output shaft 24 is connected with the valve rod 11 through the multi-angle connecting piece 3 and can drive the valve rod 11 to linearly move, opening and closing of the valve are achieved, an operator can push and pull the valve rod 11 by rotating the handle, and operation is labor-saving and convenient.

The operating principle of the valve head for realizing multi-angle installation in a narrow space is as follows: when the installation angle of the valve head main body 2 needs to be adjusted, the compression nut 36 is loosened firstly, the compression acting force between the sleeve 34 and the disc 31 is lost, then the sleeve 34 and the disc 31 are separated, an operator can rotate the sleeve 34 randomly, the key groove on the sleeve 34 can be adjusted to any angle in a rotating mode, the key groove on the sleeve 34 is aligned with the key block 111 of the valve rod 11, then the compression nut 36 is screwed, the sleeve 34 is compressed to the disc 31, one side, close to the sleeve 34 and the disc 31, of the sleeve 34 is provided with fine protruding teeth in a surrounding mode respectively, when the sleeve 34 and the disc 31 are attached, the sleeve 34 can be kept fixed relatively, the sleeve 34 can be abutted to the valve rod 11 at any angle, the valve head main body 2 can be connected with the valve body 1 at any angle, the installation in a small space is more flexible, and the applicability is higher.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a valve head that narrow and small space realized multi-angle installation, includes valve body (1), and one side of valve body (1) is connected with valve head main part (2), is provided with valve rod (11) and output shaft (24) on valve body (1) and valve head main part (2) respectively, its characterized in that: the valve rod (11) is connected with the output shaft (24) through a multi-angle connecting piece (3);

the multi-angle connecting piece (3) comprises a disc (31) and a sleeve (34), the disc (31) is fixedly connected with an output shaft (24) of the valve head main body (2), a lug (32) is arranged on the peripheral side of the disc (31), a threaded connecting rod (33) is arranged on one side of the lug (32), and a compression nut (36) is sleeved on the threaded connecting rod (33);

sleeve (34) and valve rod (11) pass through the key-type connection, and the week side of sleeve (34) is encircleed and is provided with protruding edge (35), and protruding edge (35) are located between gland nut (36) and lug (32), one side that sleeve (34) and disc (31) are close to is laminated each other, and is separable fixed connection between sleeve (34) and disc (31).

2. The valve head for realizing multi-angle installation in a narrow space as claimed in claim 1, wherein: the plurality of lugs (32) are arranged, and the lugs (32) are distributed around the center of the circle of the disc (31).

3. The valve head for realizing multi-angle installation in a narrow space as claimed in claim 1 or 2, is characterized in that: the threaded connecting rod (33) is sleeved with a widening pressing sheet (37), and the widening pressing sheet (37) is positioned on one side, close to the convex edge (35), of the pressing nut (36).

4. The valve head for realizing multi-angle installation in a narrow space as claimed in claim 3, wherein: one side of the sleeve (34) is provided with a round hole, the inner wall of the round hole is provided with a key groove, one end of the valve rod (11) is provided with a key block (111), and the key block (111) is matched with the key groove in structure.

5. The valve head for realizing multi-angle installation in a narrow space as claimed in claim 4, wherein: a partition plate (13) is arranged in the valve body (1), a support plate (14) is fixedly sleeved outside the valve rod (11), and a spring (12) is connected between the support plate (14) and the partition plate (13).

6. The valve head for realizing multi-angle installation in a narrow space as claimed in claim 1, wherein: output shaft (24) and valve head main part (2) sliding connection, and output shaft (24) overcoat is equipped with screw thread drum (23), and screw thread drum (23) rotate and set up in valve head main part (2), and screw thread drum (23) external fixation cover is equipped with worm wheel (22), and one side meshing of worm wheel (22) is connected with worm (21), and worm (21) rotate with valve head main part (2) to be connected, and the outer wall that valve head main part (2) was worn out to the one end of worm (21) is connected with the handle.