CN110259959B

CN110259959B - Quick-break expansion type cut-off gate valve

Info

Publication number: CN110259959B
Application number: CN201910523428.7A
Authority: CN
Inventors: 卓天宝; 卓金德; 邓德明
Original assignee: Hangzhou Kaiwei Valve Group Co ltd
Current assignee: Hangzhou Kaiwei Valve Group Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-06-26
Anticipated expiration: 2039-06-17
Also published as: CN110259959A

Abstract

The invention discloses a quick-break expansion type cut-off gate valve, which comprises a water inlet pipe, a water outlet pipe and a control valve body arranged on the water inlet pipe and the water outlet pipe, wherein the water inlet pipe is communicated with the water outlet pipe, the control valve body is provided with a handle, the control valve body comprises a baffle, an installation block, a screw rod, a first guide rod, a push block, a second guide rod, a first pushing frame, a push rod and a first sliding sleeve, the water inlet pipe comprises a water inlet section and a water outlet section, the inner diameter of the water inlet section is smaller than that of the water outlet section, the baffle is positioned in the water outlet section of the water inlet pipe, and the diameter of the baffle is larger than the inner diameter of the water inlet section of the water inlet pipe and smaller than the inner diameter of the water outlet section of the water inlet pipe, the installation piece connect between inlet tube and outlet pipe, the one end of lead screw pass the installation piece and stretch into in inlet tube and the outlet pipe, the other end and handle fixed connection, the vertical setting in inlet tube and outlet pipe of second guide bar.

Description

Quick-break expansion type cut-off gate valve

Technical Field

The invention relates to the technical field of cutoff gate valves, in particular to a quick-break expansion type cutoff gate valve.

Background

The definition of "valve" is a device for controlling the direction, pressure and flow rate of fluid in a fluid system, the valve is a device for controlling the flow rate of the medium (liquid, gas and powder) in pipes and equipment, and the valve is a device for controlling the flow rate of the medium.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a quick-break expansion type cutoff gate valve which can quickly cut off the flow and can stably and thoroughly cut off the flow.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A quick disconnect expanding shut off gate valve comprising:

the water inlet pipe is communicated with the water outlet pipe, and a handle is arranged on the control valve body;

the control valve body comprises a baffle, a mounting block, a screw rod, a first guide rod, a push block, a second guide rod, a first pushing frame, a push rod and a first sliding sleeve, the water inlet pipe comprises a water inlet section and a water outlet section, the inner diameter of the water inlet section is smaller than that of the water outlet section, the baffle is positioned in the water outlet section of the water inlet pipe, the diameter of the baffle is larger than that of the water inlet section of the water inlet pipe and smaller than that of the water outlet section of the water inlet pipe, the mounting block is connected between the water inlet pipe and the water outlet pipe, one end of the screw rod penetrates through the mounting block to extend into the water inlet pipe and the water outlet pipe, the other end of the screw rod is fixedly connected with the handle, the second guide rod is vertically arranged in the water inlet pipe and the water outlet pipe, the guide direction of the second guide rod is perpendicular to the central axis of the water inlet pipe and the water outlet, the first guide rods are arranged in parallel, the four first guide rods form a rectangular frame, the guide direction of the first guide rods is parallel to the central axis of the water inlet pipe and the water outlet pipe, the baffle is sleeved on the first guide rods, first sliding sleeves are further sleeved outside the first guide rods and abut against the baffle, first abutting frames are arranged between the baffle and the screw rods and comprise abutting faces and connecting faces, the abutting faces are close to the screw rods, the connecting faces are close to the baffle, push rods are arranged between the connecting faces of the first abutting frames and the first sliding sleeves, one ends of the push rods are hinged to the first sliding sleeves, and the other ends of the push rods are hinged to the connecting faces of the first abutting frames.

As a further improvement of the present invention, the abutting surface of the first abutting frame includes an abutting inclined surface.

As a further improvement of the invention, the control valve body further comprises a limiting block, a pressing plate, a connecting sheet, a spring, a sleeve and a second pushing frame, wherein the pressing plate is X-shaped, the pressing plate is movably sleeved outside the first guide rod, the limiting block is fixed on the first guide rod, the pressing plate is pushed against the limiting block, the second pushing frame is arranged between the screw rod and the baffle, the second pushing frame is fixedly connected with the pressing plate through the connecting sheet, the sleeve and the spring are movably sleeved outside the first guide rod, one end of the spring is pushed against the sleeve, the other end of the spring is pushed against the first sliding sleeve, one end of the sleeve is pushed against the spring, and the other end of the sleeve is pushed against the pressing plate.

As a further improvement of the invention, the surface of the second pushing frame in sliding contact with the pushing block is an inclined surface.

As a further improvement of the invention, a second sliding sleeve is arranged between the first sliding sleeve and the spring, the second sliding sleeve is movably sleeved outside the first guide rod, a first spring is sleeved between the first sliding sleeve and the second sliding sleeve, one end of the first spring is abutted against the first sliding sleeve, the other end of the first spring is abutted against the second sliding sleeve, one side of the first sliding sleeve and one side of the second sliding sleeve are provided with a tooth block, a connecting rod is arranged between the first sliding sleeve and the tooth block and between the second sliding sleeve and the tooth block, and the inner wall of the water outlet section of the water inlet pipe is provided with a tooth pattern matched with the tooth block.

As a further improvement of the invention, the baffle is made of rubber material.

Compared with the prior art, the invention has the advantages that when the valve body is used for cutting off the flow, the flow cutting off of the valve body can be controlled by rotating the handle, the valve body is simple and convenient, the valve body is driven by the screw rod, the handle drives the screw rod to rotate, so that the push block is driven to move along the guide direction of the second guide rod, the push block pushes the first pushing frame to move towards the direction close to the baffle, the push rod is pushed to move in the moving process of the first pushing frame, so that the first sliding sleeve is pushed to move, the first sliding sleeve moves to push the baffle to move towards the water inlet section close to the water inlet pipe, and the baffle can be tightly attached to the wall part of the water inlet pipe, so.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the control valve body of the present invention.

Fig. 3 is a schematic structural diagram of the control valve body of the present invention.

Fig. 4 is a schematic view of the push-out flow interrupting mechanism of the present invention.

Fig. 5 is a schematic view of the push-out flow interrupting mechanism of the present invention.

Fig. 6 is a schematic view of the push-out flow interrupting mechanism of the present invention.

Labeled as:

1. a water inlet pipe; 2. a water outlet pipe; 3. a control valve body; 4. a handle; 5. a baffle plate; 6. mounting blocks; 7. a screw rod; 8. a first guide bar; 9. a limiting block; 10. pressing a plate; 11. a push block; 12. a second guide bar; 13. connecting sheets; 14. a spring; 15. a sleeve; 16. a first pushing frame; 17. a second pushing frame; 18. a push rod; 19. a first sliding sleeve; 20. a second sliding sleeve; 21. a tooth block and a first spring 22.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a quick disconnect expanding shut off gate valve comprising: the water inlet pipe 1 is communicated with the water outlet pipe 2, the control valve body 4 is arranged on the control valve body 3, and the handle 4 can be rotated to control the state of the control valve body 3, so that the opening and closing of the water inlet pipe 1 are controlled;

the control valve body 3 comprises a baffle 5, a mounting block 6, a screw rod 7, a first guide rod 8, a push block 11, a second guide rod 12, a first pushing frame 16, a push rod 18 and a first sliding sleeve 19, the water inlet pipe 1 comprises a water inlet section and a water outlet section, the inner diameter of the water inlet section is smaller than that of the water outlet section, the baffle 5 is positioned in the water outlet section of the water inlet pipe 1, the diameter of the baffle 5 is larger than that of the water inlet section of the water inlet pipe 1 and smaller than that of the water outlet section of the water inlet pipe 1, the mounting block 6 is connected between the water inlet pipe 1 and the water outlet pipe 2, one end of the screw rod 7 penetrates through the mounting block 6 and extends into the water inlet pipe 1 and the water outlet pipe 2, the other end of the screw rod is fixedly connected with a handle 4, the second guide rod 12 is vertically arranged in the water inlet pipe 1 and the water outlet pipe 2, the guide direction, the push block 11 is movably sleeved outside the second guide rod 12, the push block 11 is in threaded connection with the screw rod 7, the handle 4 is rotated, the screw rod 7 is driven by the handle 4 to rotate, so that the push block 11 is driven to move along the guide direction of the second guide rod 12, the four first guide rods 8 are arranged in parallel, the four first guide rods 8 form a rectangular frame, the guide direction of the first guide rods 8 is parallel to the central axis of the water inlet pipe 1 and the water outlet pipe 2, the baffle 5 is sleeved on the first guide rods 8, the first guide rods 8 are further sleeved with first sliding sleeves 19, the first sliding sleeves 19 are abutted against the baffle 5, a first abutting frame 16 is arranged between the baffle 5 and the screw rod 7, the first abutting frame 16 comprises an abutting surface and a connecting surface, the abutting surface is close to the screw rod 7, the connecting surface is close to the baffle 5, a push rod 18 is arranged between the connecting surface of the first abutting frame 16 and the first sliding sleeve 19, one end of push rod 18 is articulated with first sliding sleeve 19, the other end is articulated with the first face of being connected that supports push away frame 16, when carrying out the cutout, rotating handle 4, handle 4 drives lead screw 7 and rotates, thereby it removes along the direction of second guide bar 12 to drive ejector pad 11, ejector pad 11 promotes first support push away frame 16 and removes to the direction that is close to baffle 5, first support pushes away 16 motion in-process and promotes push rod 18 motion, thereby promote first sliding sleeve 19 and remove, first sliding sleeve 19 removes and promotes baffle 5 and remove to being close to inlet tube 1 section of intaking, make baffle 5 contradict with the wall portion of inlet tube 1 section of intaking, thereby reach the purpose of cutout.

More specifically, the pushing surface of the first pushing frame 16 includes a pushing inclined surface, and when the pushing block 11 moves, the pushing block 11 can contact with the pushing inclined surface of the first pushing frame 16, so as to achieve a better pushing effect.

In order to achieve the effect of rapid current cutoff, the control valve body 3 further comprises a limiting block 9, a pressing plate 10, a connecting sheet 13, a spring 14, a sleeve 15 and a second pushing frame 17, wherein the pressing plate 10 is in an X shape, the pressing plate 10 is movably sleeved outside the first guide rod 8, the limiting block 9 is fixed on the first guide rod 8, the pressing plate 10 is pushed against the limiting block 9, the second pushing frame 17 is arranged between the screw rod 7 and the baffle 5, the second pushing frame 17 is fixedly connected with the pressing plate 10 through the connecting sheet 13, the sleeve 15 and the spring 14 are movably sleeved outside the first guide rod 8, one end of the spring 14 is pushed against the sleeve 15, the other end of the spring 14 is pushed against the first sliding sleeve 19, one end of the sleeve 15 is pushed against the spring 14, the other end of the sleeve is pushed against the pressing plate 10, when the handle 4 is continuously rotated, the handle 4 drives the screw rod 7 to rotate, so as to drive the pushing block 11 to move along the guide direction of the second guide rod 12, the ejector pad 11 promotes the second and supports and pushes away frame 17, and the second supports and pushes away frame 17 and drives clamp plate 10 and remove, and clamp plate 10 promotes the motion of sleeve 15 and compression spring 14, and the first sliding sleeve 19 motion of spring 14's elasticity promotion to promote baffle 5 and move to being close to inlet tube 1 section of intaking, make baffle 5 and inlet tube 1 section of intaking's wall portion further, thereby reach the purpose of quick cutout.

More perfect, the surface of the second pushing frame 17 in sliding contact with the pushing block 11 is an inclined surface, so that when the pushing block 11 moves, the pushing block 11 can always push the second pushing frame 17 to move, and the quick-break efficiency is further improved.

More specifically, first sliding sleeve 19 and spring 14 between be provided with second sliding sleeve 20, second sliding sleeve 20 activity cup joints outside first guide bar, first sliding sleeve 19 and second sliding sleeve 20 between cup joint spring one 22, the one end of spring one 22 offsets with first sliding sleeve 19, the other end offsets with second sliding sleeve 20, one side of first sliding sleeve 19 and second sliding sleeve 20 be provided with tooth piece 21, be provided with the connecting rod between first sliding sleeve 19 and the tooth piece 21, between second sliding sleeve 20 and the tooth piece 21, the inner wall department of the play water section of inlet tube 1 be provided with the insection with tooth piece 21 matched with, when sleeve 15 compressed spring 14 and promoted second sliding sleeve 20, first sliding sleeve 19 and removed, insection cooperation removal of tooth piece 21 and the play water section inner wall of inlet tube 1 to improve the stability when baffle 5 was promoted.

More perfect, baffle 5 make for rubber materials to can closely laminate with the section of intaking of inlet tube 1, improve baffle 5's leakproofness.

The working principle is as follows:

in the use process of the invention, when the water is cut off, the handle 4 is rotated, the handle 4 drives the screw rod 7 to rotate, thereby driving the push block 11 to move along the guiding direction of the second guiding rod 12, the push block 11 pushes the first pushing frame 16 to move towards the direction close to the baffle 5, the push rod 18 is pushed to move during the movement of the first pushing frame 16, thereby pushing the first sliding sleeve 19 to move, the first sliding sleeve 19 moves to push the baffle 5 to move towards the water inlet section close to the water inlet pipe 1, when the handle 4 is rotated continuously, the handle 4 drives the screw rod 7 to rotate, thereby driving the push block 11 to move along the guiding direction of the second guiding rod 12, the push block 11 pushes the second pushing frame 17, the second pushing frame 17 drives the press plate 10 to move, the press plate 10 pushes the sleeve 15 to move and compresses the spring 14, the elasticity of the spring 14 pushes the first sliding sleeve 19 to move, thereby pushing the baffle 5 to move towards the water inlet section close to, make baffle 5 and the wall portion of the inlet section of inlet tube 1 further to reach the purpose of quick cutout, when sleeve 15 compressed spring 14 and promoted second sliding sleeve 20, first sliding sleeve 19 and removed, tooth piece 21 removed with the insection cooperation of the play water section inner wall of inlet tube 1, thereby stability when improving baffle 5 and being promoted.

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. A quick disconnect expanding shut off gate valve comprising: the water inlet pipe (1), the water outlet pipe (2) and the control valve body (3) arranged on the water inlet pipe (1) and the water outlet pipe (2), wherein the water inlet pipe (1) is communicated with the water outlet pipe (2), and the control valve body (3) is provided with a handle (4);

the control valve body (3) comprises a baffle (5), an installation block (6), a screw rod (7), a first guide rod (8), a push block (11), a second guide rod (12), a first pushing frame (16), a push rod (18) and a first sliding sleeve (19), the water inlet pipe (1) comprises a water inlet section and a water outlet section, the inner diameter of the water inlet section is smaller than that of the water outlet section, the baffle (5) is positioned in the water outlet section of the water inlet pipe (1), the diameter of the baffle (5) is larger than that of the water inlet section of the water inlet pipe (1) and smaller than that of the water outlet section of the water inlet pipe (1), the installation block (6) is connected between the water inlet pipe (1) and the water outlet pipe (2), one end of the screw rod (7) penetrates through the installation block (6) to extend into the water inlet pipe (1) and the water outlet pipe (2), the other end of the screw rod is fixedly connected with the handle (4), the second guide rod (12) is vertically arranged in the water inlet pipe (1, the guide direction of the second guide rod (12) is perpendicular to the central axis of the water inlet pipe (1) and the water outlet pipe (2), the push block (11) is movably sleeved outside the second guide rod (12) and is in threaded connection with the screw rod (7), the first guide rods (8) are provided with four guide rods which are arranged in parallel, the four first guide rods (8) form a rectangular frame, the guide direction of the first guide rods (8) is parallel to the central axis of the water inlet pipe (1) and the water outlet pipe (2), the baffle plate (5) is sleeved on the first guide rods (8), the first guide rods (8) are further sleeved with first sliding sleeves (19), the first sliding sleeves (19) are abutted against the baffle plate (5), a first abutting frame (16) is arranged between the baffle plate (5) and the screw rod (7), and the first abutting frame (16) comprises abutting faces and connecting faces, and the abutting surface is close to the screw rod (7), the connecting surface is close to the baffle (5), a push rod (18) is arranged between the connecting surface of the first abutting frame (16) and the first sliding sleeve (19), one end of the push rod (18) is hinged with the first sliding sleeve (19), and the other end of the push rod is hinged with the connecting surface of the first abutting frame (16).

2. The quick break expanding shut off gate valve of claim 1 wherein said first abutment (16) comprises an abutment ramp.

3. The quick-break expansion type cutoff gate valve according to claim 1, characterized in that the control valve body (3) further comprises a limiting block (9), a pressing plate (10), a connecting piece (13), a spring (14), a sleeve (15) and a second pushing frame (17), wherein the pressing plate (10) is in an X shape, the pressing plate (10) is movably sleeved outside the first guide rod (8), the limiting block (9) is fixed on the first guide rod (8), the pressing plate (10) is abutted against the limiting block (9), the second pushing frame (17) is arranged between the screw rod (7) and the baffle (5), the second pushing frame (17) is fixedly connected with the pressing plate (10) through the connecting piece (13), the sleeve (15) and the spring (14) are movably sleeved outside the first guide rod (8), one end of the spring (14) is abutted against the sleeve (15), and the other end is abutted against the first sliding sleeve (19), one end of the sleeve (15) is propped against the spring (14), and the other end of the sleeve is propped against the pressure plate (10).

4. The quick break expanding shut off gate valve according to claim 3, wherein a surface of said second abutting frame (17) in sliding contact with said push block (11) is an inclined surface.

5. The quick-break expansion type cutoff gate valve according to claim 4, characterized in that a second sliding sleeve (20) is arranged between the first sliding sleeve (19) and the spring (14), the second sliding sleeve (20) is movably sleeved outside the first guide rod (8), a first spring (22) is sleeved between the first sliding sleeve (19) and the second sliding sleeve (20), one end of the first spring (22) abuts against the first sliding sleeve (19), the other end of the first spring abuts against the second sliding sleeve (20), one side of the first sliding sleeve (19) and one side of the second sliding sleeve (20) are provided with a tooth block (21), a connecting rod is arranged between the first sliding sleeve (19) and the tooth block (21) and between the second sliding sleeve (20) and the tooth block (21), and a tooth pattern matched with the tooth block (21) is arranged at the inner wall of the water outlet section of the water inlet pipe (1).

6. A quick break expanding shut off gate valve according to claim 1, characterized in that said baffle (5) is made of rubber material.