CN212004293U

CN212004293U - Gate valve capable of being automatically adjusted

Info

Publication number: CN212004293U
Application number: CN202020343457.3U
Authority: CN
Inventors: 古委利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-24
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a but automatically regulated's gate valve, which comprises a valve body, the inner chamber central point of valve body puts and installs annular baffle along upper and lower direction, the right side wall top hub connection of annular baffle has the apron, the supporting seat is installed to the right side wall bottom of apron, the pipeline rather than the inner chamber intercommunication is installed on the bottom right side of valve body, the right side wall central point of valve body puts the embedded pressure mechanism that has, pressure mechanism includes first shell, piston rod, connecting rod, first spring, slide, slider, nut, screw rod, carousel, plectane and triangle draw-in groove, the left side embedded right side wall central point of valve body in the left side of first shell puts, the piston rod is pegged graft in the inner chamber left side of first shell, the left side wall that extends first shell in the left side of piston rod is connected with the one end of connecting rod. This but automatically regulated's gate valve can realize the self-closing and open of gate valve, avoids influencing the interior fluid transport of pipeline, more can satisfy the demand that modern enterprise fluid control carried.

Description

Gate valve capable of being automatically adjusted

Technical Field

The utility model relates to the technical field of valves, specifically be a but automatically regulated's gate valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, and adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, most of the existing valves realize closure through a rotary valve rod, but the internal structure of the gate valve is simple, the gate valve cannot be closed and opened in time, fluid conveying in the pipeline is influenced, and the requirements of modern enterprise fluid control conveying cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but automatically regulated's gate valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gate valve capable of being automatically adjusted comprises a valve body, wherein an annular partition plate is arranged in the center of an inner cavity of the valve body in the vertical direction, a cover plate is connected to the top end of the right side wall of the annular partition plate in a shaft mode, a supporting seat is arranged at the bottom end of the right side wall of the cover plate, a pipeline communicated with the inner cavity of the valve body is arranged on the right side of the bottom end of the valve body, and a pressure mechanism is embedded in the center of the right side wall of the valve body;

the pressure mechanism comprises a first shell, a piston rod, a connecting rod, a first spring, a slideway, a sliding block, a nut, a screw rod, a rotary table, a circular plate and a triangular clamping groove;

the left side of the first shell is embedded in the center of the right side wall of the valve body, the piston rod is inserted in the left side of the inner cavity of the first shell, the left side of the piston rod extends out of the left side wall of the first shell and is in shaft connection with one end of the connecting rod, the other end of the connecting rod is in shaft connection with the inner cavity of the supporting seat, the first spring is inserted in the inner cavity of the first shell and is clamped with the right side of the piston rod, the right side of the inner cavity of the first shell is circumferentially provided with a slide way, one part of the slide block is inserted in the right side of the inner cavity of the slide way, the other part of the slide block is fixedly installed with the outer side of the nut, the left side wall of the nut is clamped with the right side of the first spring, the center of the right inner wall of the first shell is rotatably connected with a screw rod through a bearing, the outer wall of the screw rod, the outer wall right side screw connection of screw rod has the plectane, the triangle draw-in groove has all been seted up along circumference to the outer wall of plectane, the right side wall top of first shell is installed clamping mechanism.

Preferably, the clamping mechanism comprises a second shell, a T-shaped rod, a bottom plate, a triangular clamping block, a second spring and a pull rod;

the left side wall of the second shell is fixedly mounted with the top end of the right side wall of the first shell, the T-shaped rod is inserted into the bottom end of an inner cavity of the second shell, the bottom end of the T-shaped rod extends out of the lower surface of the second shell and is fixedly mounted with the top center of the bottom plate, the top ends of the three triangular clamping blocks are mounted at the bottom end of the bottom plate from front to back, the triangular clamping blocks are inserted into the inner cavity of the triangular clamping grooves, a second spring for providing downward elasticity for the T-shaped rod is inserted into the inner cavity of the second shell, the top center of the T-shaped rod is fixedly mounted with the bottom end of the pull rod, and the top end of the pull rod extends out of the upper.

Preferably, the number of the slide ways is four, and the four slide ways are distributed on the right side of the inner wall of the first shell at intervals of 90 degrees clockwise.

Preferably, a plurality of the triangular clamping grooves are continuously arranged on the circumference of the outer wall of the circular plate.

Preferably, the height of the triangular clamping block is smaller than the distance between the bottom plate and the second shell.

Compared with the prior art, the beneficial effects of the utility model are that: when fluid pressure needs to be adjusted, the pull rod is lifted, the triangular clamping block can move upwards to be separated from the triangular clamping groove through the matching of the T-shaped rod and the bottom plate, the screw rod rotates clockwise through the operation turntable, the nut moves to the left side under the driving of the screw rod through the limiting of the sliding block to extrude the first spring, the reaction force of the first spring provides elastic force for the piston rod, so that pressure to the left side is applied to the cover plate, when the pressure applied to the piston rod meets the requirement, the triangular clamping block moves downwards to be inserted into the triangular clamping groove at the corresponding position to fix the rotating circular plate under the action of the second spring, so that the pressure adjustment of the cover plate is realized, when the fluid pressure to the left side of the valve body is greater than the pressure of the piston rod to the cover plate, the cover plate is opened to release fluid, when the fluid pressure to the left side of, the cover plate keeps a closed state, so that the gate valve can be automatically closed and opened, the influence on fluid conveying in a pipeline is avoided, and the requirement on fluid control conveying of modern enterprises can be met.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a right side view of the circular plate of the present invention.

In the figure: 1. the valve comprises a valve body, 2, an annular partition plate, 3, a cover plate, 4, a supporting seat, 5, a pipeline, 6, a first shell, 7, a piston rod, 8, a connecting rod, 9, a first spring, 10, a slideway, 11, a sliding block, 12, a nut, 13, a screw rod, 14, a rotating disc, 15, a circular plate, 16, a triangular clamping groove, 17, a second shell, 18, a T-shaped rod, 19, a bottom plate, 20, a triangular clamping block, 21, a second spring, 22 and a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a gate valve capable of being automatically adjusted comprises a valve body 1, wherein the left side of the valve body 1 can be connected with a main pipeline, an annular partition plate 2 is arranged in the center of an inner cavity of the valve body 1 along the vertical direction, a cover plate 3 is connected to the top end of the right side wall of the annular partition plate 2 in a shaft mode, the valve body 1 can be switched on and off through the left-right swinging of the cover plate 3, a supporting seat 4 is arranged at the bottom end of the right side wall of the cover plate 3, a pipeline 5 communicated with the inner cavity of the valve body 1 is arranged on the right side of the bottom end of the valve body 1, the bottom end of the pipeline 5 can be connected;

the pressure mechanism comprises a first shell 6, a piston rod 7, a connecting rod 8, a first spring 9, a slideway 10, a sliding block 11, a nut 12, a screw 13, a rotary table 14, a circular plate 15 and a triangular clamping groove 16;

the left side of the first shell 6 is embedded in the center of the right side wall of the valve body 1, the piston rod 7 is inserted in the left side of the inner cavity of the first shell 6, a sealing ring is installed at the connecting position of the piston rod 7 and the left side wall of the first shell 6 to prevent fluid from entering the first shell 6, the left side of the piston rod 7 extends out of the left side wall of the first shell 6 to be coupled with one end of the connecting rod 8, the other end of the connecting rod 8 is coupled with the inner cavity of the supporting seat 4, the first spring 9 is inserted in the inner cavity of the first shell 6 and is clamped with the right side of the piston rod 7, the first spring 9 is a rotary spring with an elastic coefficient of 20N/CM, the first spring 9 generates elastic deformation after being stretched or extruded and is restored to an initial state after external force is removed, the first spring 9 provides an elastic force to the left side for the piston rod 7, the right side of the inner cavity of the first shell 6 is circumferentially provided with, the nut 12 is prevented from moving towards the left side and being separated from the screw 13, one part of the sliding block 11 is inserted at the right side of the inner cavity of the slideway 10, the nut 12 is limited through the sliding block 11, the phenomenon of rotation of the nut 12 is prevented, the other part of the sliding block 11 is fixedly installed with the outer side of the nut 12, the left side wall of the nut 12 is clamped with the right side of the first spring 9, the central position of the right inner wall of the first shell 6 is rotatably connected with the screw 13 through a bearing, the outer wall of the screw 13 is in threaded connection with the inner cavity of the nut 12, when the screw 13 rotates clockwise or anticlockwise, the axial force of the screw 13 can drive the nut 12 to move towards the left or right side, the right side of the screw 13 extends out of the right side wall of the first shell 6 and is fixedly installed with the central position of the left side wall of the rotary disc 14, the right side screw of the outer wall of the, triangular clamping grooves 16 are formed in the outer wall of the circular plate 15 along the circumferential direction, and a clamping mechanism is installed at the top end of the right side wall of the first shell 6.

Preferably, the locking mechanism further comprises a second housing 17, a T-shaped rod 18, a bottom plate 19, a triangular locking block 20, a second spring 21 and a pull rod 22;

the left side wall of the second shell 17 is fixedly installed with the top end of the right side wall of the first shell 6, the cross section of the inner cavity of the second shell 17 is square, the T-shaped rod 18 is in adaptive insertion connection with the second shell 17 to prevent the T-shaped rod 18 from rotating when moving up and down, the T-shaped rod 18 is inserted at the bottom end of the inner cavity of the second shell 17, the bottom end of the T-shaped rod 18 extends out of the lower surface of the second shell 17 and is fixedly installed with the center position of the top end of the bottom plate 19, the top ends of the three triangular clamping blocks 20 are installed at the bottom end of the bottom plate 19 from front to back, the triangular clamping blocks 20 are inserted with the inner cavity of the triangular clamping grooves 16, the circular plate 15 can be braked by the insertion connection of the triangular clamping blocks 20 and the triangular clamping grooves 16, the inner cavity of the second shell 17 is inserted with a second spring 21 providing downward elasticity for the T-shaped rod 18, the second spring 21 is a rotary spring, the, after the external force is removed, the spring returns to the initial state, the second spring 21 provides downward elastic force for the T-shaped rod 18, the top center position of the T-shaped rod 18 is fixedly installed with the bottom end of the pull rod 22, and the top end of the pull rod 22 extends out of the upper surface of the second shell 17.

Preferably, the number of the slide ways 10 is four, and the four slide ways 10 are distributed on the right side of the inner wall of the first housing 6 at intervals of 90 degrees clockwise, so that the four sliders 11 can fix the nut 12 from four directions, and the nut 12 can be ensured to move horizontally and smoothly left and right.

Preferably, a plurality of triangular clamping grooves 16 are continuously arranged on the circumference of the outer wall of the circular plate 15, so that the triangular clamping blocks 20 can be conveniently inserted into the triangular clamping grooves 16 at corresponding positions after rotation, and the circular plate 15 after rotation can be conveniently fixed.

Preferably, the height of the cam latch 20 is smaller than the distance between the bottom plate 19 and the second housing 17, and the maximum distance of the upward movement of the bottom plate 19 is greater than the height of the cam latch 20, so that the cam latch 20 can be separated from the cam slot 16 to release the braking of the circular plate 15.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When fluid pressure needs to be adjusted, the pull rod 22 is pulled upwards to enable the T-shaped rod 18 to drive the bottom plate 19 and the triangular clamping block 20 to move upwards until the triangular clamping block 20 is separated from the triangular clamping groove 16, the circular plate 15 is released from being fixed, the rotary table 14 can be rotated clockwise to enable the screw 13, the circular plate 15 and the triangular clamping groove 16 to rotate clockwise simultaneously, the rotary force of the screw 13 pushes the nut 12 to move leftwards to extrude the first spring 9 under the limiting action of the slider 11, so that the elastic force of the first spring 9 on the piston rod 7 is gradually increased, when the pressure on the piston rod 7 meets the requirement, the rotary table 14 is stopped, the pull rod 22 is loosened, the second spring 21 pushes the triangular clamping block 20 to move downwards through the T-shaped rod 18 under the action of the elastic force of the second spring 21 to be inserted into the triangular clamping groove 16 at the corresponding position, the rotated circular plate 15 is, when the left fluid pressure of the valve body 1 is greater than the pressure of the piston rod 7 to the cover plate 3, the fluid pushes the cover plate 3 to the right to be opened, the connecting rod 8 pushes the piston rod 7 to move to the right to extrude the first spring 9, so that the fluid can flow into the pipeline 5, until the fluid pressure is less than the pressure of the piston rod 7 to the cover plate 3, the cover plate 3 is pushed to rotate to the left to be closed with the annular partition plate 2 under the elastic action of the first spring 9 through the cooperation of the piston rod 7 and the connecting rod 8, so that the automatic control of the fluid pressure can be realized, manual control is not needed, and when the valve is in actual use, the valve is time-saving and labor-saving.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "portion", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "coupled," "plugged," "mounted," "screwed," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 but automatically regulated's gate valve, includes valve body (1), its characterized in that: an annular partition plate (2) is arranged in the center of an inner cavity of the valve body (1) along the vertical direction, a cover plate (3) is connected to the top end of the right side wall of the annular partition plate (2) in a shaft mode, a supporting seat (4) is arranged at the bottom end of the right side wall of the cover plate (3), a pipeline (5) communicated with the inner cavity of the valve body (1) is arranged on the right side of the bottom end of the valve body (1), and a pressure mechanism is embedded in the center of the right side wall of the valve body (1;

the pressure mechanism comprises a first shell (6), a piston rod (7), a connecting rod (8), a first spring (9), a slide way (10), a slide block (11), a nut (12), a screw rod (13), a rotary table (14), a circular plate (15) and a triangular clamping groove (16);

the left side of the first shell (6) is embedded in the center of the right side wall of the valve body (1), the piston rod (7) is connected to the left side of an inner cavity of the first shell (6) in an inserted mode, the left side of the piston rod (7) extends out of the left side wall of the first shell (6) to be connected with one end of a connecting rod (8) in a shaft mode, the other end of the connecting rod (8) is connected with the inner cavity of the supporting seat (4) in a shaft mode, the first spring (9) is connected to the inner cavity of the first shell (6) in an inserted mode and connected with the right side of the piston rod (7) in a clamped mode, the right side of the inner cavity of the first shell (6) is circumferentially provided with a slide way (10), one part of the sliding block (11) is connected to the right side of the inner cavity of the slide way (10) in an inserted mode, the other part of the sliding block (11) is fixedly installed on the outer side of the nut (12), the left side wall of the nut (12), and the outer wall of screw rod (13) and the inner chamber spiro union of nut (12), the right side of screw rod (13) is extended the right side wall of first shell (6) and is put fixed mounting with the left side wall central point of carousel (14), the outer wall right side screw connection of screw rod (13) has plectane (15), triangle draw-in groove (16) have all been seted up along circumference to the outer wall of plectane (15), the right side wall top of first shell (6) is installed and is blocked moving mechanism.

2. An automatically adjustable gate valve according to claim 1, characterized in that: the clamping mechanism comprises a second shell (17), a T-shaped rod (18), a bottom plate (19), a triangular clamping block (20), a second spring (21) and a pull rod (22);

the left side wall of the second shell (17) is fixedly mounted with the top end of the right side wall of the first shell (6), the T-shaped rod (18) is inserted into the bottom end of an inner cavity of the second shell (17), the bottom end of the T-shaped rod (18) extends out of the lower surface of the second shell (17) and is fixedly mounted with the center of the top end of the bottom plate (19), the top ends of the three triangular clamping blocks (20) are mounted at the bottom end of the bottom plate (19) from front to back, the triangular clamping blocks (20) are inserted into the inner cavity of the triangular clamping grooves (16), a second spring (21) providing downward elasticity for the T-shaped rod (18) is inserted into the inner cavity of the second shell (17), the center of the top end of the T-shaped rod (18) is fixedly mounted with the bottom end of the pull rod (22), and the top end of the pull rod (22) extends out of the upper surface of the second shell.

3. An automatically adjustable gate valve according to claim 1, characterized in that: the number of the slide ways (10) is four, and the slide ways (10) are distributed on the right side of the inner wall of the first shell (6) at intervals of 90 degrees clockwise.

4. An automatically adjustable gate valve according to claim 1, characterized in that: the triangular clamping grooves (16) are continuously arranged on the circumference of the outer wall of the circular plate (15).

5. An automatically adjustable gate valve according to claim 2, characterized in that: the height of the triangular clamping block (20) is smaller than the distance between the bottom plate (19) and the second shell (17).