CN210397769U

CN210397769U - Lever gate valve

Info

Publication number: CN210397769U
Application number: CN201921136848.1U
Authority: CN
Inventors: 李祖亮; 李�杰; 张洪; 李佳洪
Original assignee: Zhejiang Waysing Metal Products Co ltd
Current assignee: Zhejiang Waysing Metal Products Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-24
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to a lever gate valve, including valve body, handle and flashboard, two gates around being provided with on the valve body, the flashboard sets up in the valve body to by reciprocating of handle control flashboard, the flashboard is provided with two, and every flashboard sets up respectively in corresponding gate department, and two flashboards pass through the distance that swing joint connects in order to adjust both upper and lower both ends, and the gate has the interior terminal surface that is used for with the flashboard laminating in the valve body, and the interior terminal surface of gate sets up for the slope, and the distance of two interior terminal surfaces from top to bottom reduces gradually around. The utility model is provided with two flashboards which can move relatively, and can adapt to the inner end surface of the gate port which is arranged obliquely, in the closing process of the gate port, the gate port is gradually closed by the flashboards from top to bottom, meanwhile, the two flashboards correspondingly incline to be attached to the inner end surface of the gate port, and move downwards, the more closely the flashboards are attached to the inner end surface, and the gate port can be completely closed even if the flashboards are worn; when the gate is opened, the gate plate moves upwards, and the opening is more labor-saving.

Description

Lever gate valve

Technical Field

The utility model relates to a gate valve technical field, in particular to lever gate valve.

Background

The valve rod of the general rising stem gate valve is provided with threads, the rotating motion of the rotating wheel is changed into the linear motion of the valve rod through the rotation of the rotating wheel provided with the nut on the valve, but the long-time rotation of the rotating wheel is needed for each opening and closing, the main function of the gate valve is to play a role in cutting off the flow of fluid, and generally, the gate plate is fully opened or fully closed, so that the long time is needed for opening or closing the gate valve through the rotation of the rotating wheel.

The utility model discloses an application number is 201821359056.6's chinese utility model patent discloses and an rising stem gate valve, which comprises a valve body, the valve gap, the flashboard, the valve rod, the valve body is provided with the medium passage who link up the valve body both ends, the valve gap is located the valve body upper end, the flashboard sets up in the valve body, the moving direction of flashboard is mutually perpendicular with medium passage's axial direction, the valve rod is located the upper end of flashboard, the valve gap is worn out to the valve rod, the valve rod upper end is provided with the lever, the one end and the valve gap of lever are articulated mutually, be provided with the spout on the lever, the valve rod upper end is portable articulated with the spout, the lever still is provided with lever locking device, its shortcoming lies.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem a lever gate valve solves the flashboard and easily wears and tear and causes the problem of leakage.

The above object of the present invention can be achieved by the following technical solutions: the lever type gate valve comprises a valve body, a handle and two gate plates, wherein a front gate opening and a rear gate opening are formed in the valve body, the gate plates are arranged in the valve body and are controlled by the handle to move up and down, the two gate plates are arranged at corresponding gate openings respectively, the two gate plates are connected through movable joints to adjust the distance between the upper end and the lower end of each gate plate, an inner end face used for being attached to the gate plates is arranged in the valve body, the inner end face of each gate opening is arranged in an inclined mode, and the distance between the front inner end face and the rear inner end face is gradually reduced from top to bottom.

Preferably, the inner end surface of the gate is protruded inwards from the inner wall of the valve body to form a protruding end, and the inner end surface of the gate is located on the end surface of the protruding end.

Preferably, the included angle α formed by the front and rear inner end surfaces is acute, and the included angle α is 5-10 degrees.

Preferably, be connected with the swing arm between handle and the flashboard, the handle is connected through the pivot to the one end of swing arm, and the flashboard is connected to the other end, the pivot is rotated and is installed on the valve body, the flashboard swings in the valve body along the pivot.

Preferably, the inner cavity of the valve body is an arc-shaped cavity taking the rotating shaft as the center.

Preferably, the swing arm is located between the two gate plates, and the end of the swing arm is connected with the movable joint between the two gate plates.

Preferably, the movable joint comprises a joint mounting part and a joint mounting head, the joint mounting part is fixed on one of the flashboards, the end part of the swing arm is sleeved on the joint mounting part, the joint mounting head is fixed on the other flashboard, a mounting slot hole is formed in the joint mounting part, and the joint mounting head extends into the mounting slot hole.

Preferably, the bottom of the mounting slot hole and the end of the joint mounting head are both of a hemispherical structure.

Preferably, the length of the joint mounting head is greater than the depth of the mounting slot hole, and the outer diameter of the joint mounting head is smaller than the aperture of the mounting slot hole.

The utility model has the advantages that: the utility model is provided with two flashboards which can move relatively, and can adapt to the inner end surface of the gate port which is arranged obliquely, in the closing process of the gate port, the gate port is gradually closed by the flashboards from top to bottom, meanwhile, the two flashboards correspondingly incline to be attached to the inner end surface of the gate port, and move downwards, the more closely the flashboards are attached to the inner end surface, and the gate port can be completely closed even if the flashboards are worn; when the gate is opened, the gate plate moves upwards, and the opening is more labor-saving.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the invention;

FIG. 3 is a schematic structural view of an embodiment of the present invention in which the gate is closed;

in the figure: 1-valve body, 101-gate, 102-protruding end, 2-handle, 3-gate, 301-joint mounting part, 302-joint mounting head, 303-mounting slotted hole, 4-rotating shaft, 5-swinging arm and 6-top cover.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example (b): as shown in fig. 1 and 2, the lever type gate valve comprises a valve body 1, a handle 2 and a gate plate 3, wherein an inner cavity is formed in the valve body 1, and the gate plate 3 is positioned in the inner cavity of the valve body 1. The top of valve body 1 is provided with the installing port for the inside part of dismouting valve body 1, installing port seal installation has the top cap.

The valve body 1 is provided with a front gate 101 and a rear gate 101, and the gates 101 are communicated with the interior of the valve body 1. The flashboard 3 is provided with two, and every flashboard 3 sets up respectively in corresponding gate 101 department, and two flashboards 3 pass through the swing joint and connect, and two flashboards 3 can be relative movable in order to adjust the distance at both ends about both.

The handle 2 is rotatably arranged on the outer side of the valve body 1, a rotating shaft 4 is arranged in the valve body 1, and the handle 2 is fixedly connected with the end part of the rotating shaft through a spline. Be connected with swing arm 5 between handle 2 and the flashboard 3, the spline is passed through to the one end of swing arm 5 and is fixed at 4 tip of pivot, and flashboard 3 is connected to the other end of swing arm 5. Swing arm 5 is located between two flashboards 3, and swing joint between the tip of swing arm 5 and two flashboards 3 is connected. When the handle 2 rotates, the flashboard 3 is driven to move up and down through the rotating shaft 4 and the swing arm 5, so that the flashboard 3 swings in the valve body 1 along the rotating shaft 4, and the inner cavity of the valve body 1 is an arc-shaped cavity taking the rotating shaft 4 as the center.

As shown in fig. 3, the gate 101 has an inner end surface for fitting with the gate 3 in the valve body 1, the inner end surface of the gate 101 is inclined, and the distance between the front and rear inner end surfaces gradually decreases from top to bottom, the inner end surface of the gate 101 protrudes inward from the inner wall of the valve body 1 to form a protruding end 102, the inner end surface of the gate 101 is located on the end surface of the protruding end 102, an included angle α formed by the front and rear inner end surfaces is an acute angle, and the included angle α is 5 ° to 10 °.

As shown in fig. 3, the movable joint includes a joint mounting portion 301 and a joint mounting head 302, the joint mounting portion 301 is fixed to one of the shutter plates 3, the joint mounting head 302 is fixed to the other shutter plate 3, a mounting slot 303 is provided in the joint mounting portion 301, and the joint mounting head 302 extends into the mounting slot 303. The bottom of the mounting slot 303 and the end of the joint mounting head 302 are both of a hemispherical structure, which facilitates the joint mounting head 302 to move in the mounting slot 303 to adjust the inclination angle of the gate plate 3. The length of the joint mounting head 302 is larger than the depth of the mounting slot 303, and the outer diameter of the joint mounting head 302 is smaller than the diameter of the mounting slot 303.

The end part of the swing arm 5 starts to be provided with a sleeve hole, the swing arm 5 is sleeved on the joint mounting part 301 through the sleeve hole, and the aperture of the sleeve hole is larger than the outer diameter of the joint mounting part 301, so that the joint mounting part 301 can swing up and down in the sleeve hole to adjust the inclination angle of the gate plate 3.

When closed, the handle 2 is turned upward, the shutter plates 3 move downward and close the gate gradually, while the two shutter plates 3 are correspondingly inclined and completely abut on the inner end surface of the gate 101.

Claims

1. The utility model provides a lever gate valve, includes valve body (1), handle (2) and flashboard (3), two gates (101) around being provided with on valve body (1), flashboard (3) set up in valve body (1) to by reciprocating of handle (2) control flashboard (3), its characterized in that: the utility model discloses a valve, including valve body (1), flashboard (3), every flashboard (3) are provided with two, and every flashboard (3) set up respectively in corresponding sluice gate (101) department, and two flashboards (3) are connected in order to adjust the distance at both ends about both, sluice gate (101) have in valve body (1) be used for with the interior terminal surface of flashboard (3) laminating, the interior terminal surface of sluice gate (101) sets up for the slope, and the distance of two interior terminal surfaces reduces from top to bottom gradually around.

2. A lever gate valve as claimed in claim 1, wherein: the inner end face of the gate (101) protrudes inwards from the inner wall of the valve body (1) to form a protruding end (102), and the inner end face of the gate (101) is located on the end face of the protruding end (102).

3. A lever gate valve as claimed in claim 1, wherein the angle α formed by the front and rear inner faces is acute and the angle α is 5 ° to 10 °.

4. A lever gate valve as claimed in claim 1, wherein: be connected with swing arm (5) between handle (2) and flashboard (3), handle (2) are connected through pivot (4) to the one end of swing arm (5), and flashboard (3) are connected to the other end, pivot (4) are rotated and are installed on valve body (1), flashboard (3) are along pivot (4) swing in valve body (1).

5. A lever gate valve as claimed in claim 4, wherein: the inner cavity of the valve body (1) is an arc-shaped cavity which takes the rotating shaft (4) as the center.

6. A lever gate valve as claimed in claim 4, wherein: the swing arm (5) is positioned between the two gate plates (3), and the end part of the swing arm (5) is connected with the movable joint between the two gate plates (3).

7. A lever gate valve as claimed in claim 6, wherein: the movable joint comprises a joint mounting part (301) and a joint mounting head (302), wherein the joint mounting part (301) is fixed on one of the gate plates (3), the end part of the swing arm (5) is sleeved on the joint mounting part (301), the joint mounting head (302) is fixed on the other gate plate (3), a mounting slot hole (303) is formed in the joint mounting part (301), and the joint mounting head (302) extends into the mounting slot hole (303).

8. A lever gate valve as claimed in claim 7, wherein: the bottom of the mounting groove hole (303) and the end part of the joint mounting head (302) are both of a hemispherical structure.

9. A lever gate valve as claimed in claim 8, wherein: the length of the joint mounting head (302) is larger than the depth of the mounting slotted hole (303), and the outer diameter of the joint mounting head (302) is smaller than the aperture of the mounting slotted hole (303).