CN109667942B

CN109667942B - Manual valve convenient to open and close

Info

Publication number: CN109667942B
Application number: CN201811583466.3A
Authority: CN
Inventors: 田洪卫; 欧丹
Original assignee: Fluoroseal Specialty Valves Suzhou Co ltd
Current assignee: Fluoroseal Specialty Valves Suzhou Co ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2020-08-25
Anticipated expiration: 2038-12-24
Also published as: CN109667942A

Abstract

The invention discloses a manual valve convenient to open and close, which comprises a valve body, a flow inlet, a flow outlet, a connecting pipeline, a first reinforcing rib plate, a fixing ring, a pressing block, a through hole, a stretching gas spring, a circular pipe, a circular sleeve, a groove, a plugging strip, a pull rod, a top plate, a threaded rod, a nut, a square cylinder, a piston, a limiting guide ring, a pressing rod, a pressing plate, a rubber sealing base plate, a second reinforcing rib plate, a pressure spring, a fixing rod, a rotating circular rod, a handle, a top sleeve, a fixing strip, an embedding groove, a circular block, a circular short rod and a through groove. The connecting pipe is reasonable in structure, the connecting pipe can be conveniently connected at two ends of the valve body through the mounting structure, when the connecting pipe is disassembled and assembled, the operation can be completed only by taking and placing the plugging strips and pulling the pull rod, the operation is simple, and the time for assembling and disassembling the valve body can be saved; when closed closure or release is carried out, compared with the traditional valve, the manual valve is simple to operate, and the operation time of the manual valve is saved.

Description

Manual valve convenient to open and close

Technical Field

The invention relates to a valve, in particular to a manual valve convenient to open and close, and belongs to the technical field of valve application.

Background

The valve is a control part in the 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.

When part of valves are used, the valves are generally connected with a pipeline through flanges or threads, when the valves are installed and disassembled, manual operation is complex, operation is possibly required by means of external tools, and waste of installation and disassembly time can be caused; when the valve is used, some manual valves are in threaded connection with the valve through threaded rods, and are moved by screwing the threaded rods to realize flow opening and flow stopping, repeated screwing is possibly needed, and the operation time of the manual valves is possibly too long; after the shut-off, the closure is generally performed by pressing the sealing member, when the sealing member is pressed, a force storage device may be lacked, the force applied to the sealing member may be small, and the water flow may overflow. Therefore, a manual valve which is convenient to open and close is provided for solving the problems.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a manual valve which is easily opened and closed.

The invention achieves the aim through the following technical scheme, and the manual valve convenient to open and close comprises a valve body, a mounting structure, an opening and closing structure, a connecting pipeline, a flow inlet and a flow outlet, wherein the flow inlet and the flow outlet are respectively formed in two sides of the valve body;

the mounting structure comprises a fixing ring fixedly mounted on one side of the connecting pipeline and three circular pipes fixedly mounted on the surface of the fixing ring in an annular array manner, wherein a through hole communicated with the circular pipes is formed in the surface of the fixing ring and penetrates through one side of the valve body, a circular sleeve is fixedly connected to the tail end of each circular pipe, a groove is formed in the tail end of each circular sleeve, a stretching air spring is connected to the inside of each through hole in a matched manner, a pressing block is fixedly connected to one end of each stretching air spring, a pull rod is fixedly connected to the other end of each stretching air spring, a square hole is formed in the surface of each pull rod, a plug strip is connected with the square hole in an embedded manner;

the top of the valve body is fixedly provided with a top plate, the top plate is fixedly provided with an opening and closing structure, the opening and closing structure comprises a square cylinder and a piston in a matching connection square cylinder, the bottom end and the top end of the square cylinder are fixedly connected with a limiting guide ring and a top sleeve respectively, the bottom of the piston is fixedly connected with a pressure rod, the pressure rod is in clearance fit connection with an inner ring of the limiting guide ring, the bottom end of the pressure rod is fixedly connected with a pressure plate, the surface of the pressure plate is fixedly connected with a rubber sealing liner plate, the rubber sealing liner plate covers the tail end of a flow inlet, the top of the piston is elastically connected with a connecting plate through a pressure spring, the top of the connecting plate is fixedly connected with a fixed rod, the top end of the fixed rod is rotatably connected with a rotating round rod, the rotating round rod penetrates through the top sleeve, the bottom of the top sleeve is provided with an embedding groove, the top end of the rotating round rod is fixedly connected with a handle.

Preferably, a plurality of first reinforcing rib plates distributed in an annular array are fixedly installed at the joint of the connecting pipeline and the fixing ring, and the first reinforcing rib plates are of a right-angle trapezoid structure.

Preferably, the length of the pull rod is greater than the sum of the lengths of the circular tube and the circular sleeve, and one end, far away from the stretching gas spring, of the pull rod is of a semi-sphere structure.

Preferably, the pull rod penetrates through the middle of the groove, the width of the groove is smaller than the diameter of the pull rod, and the depth of the groove is larger than the thickness of the plugging strip.

Preferably, the top of the valve body and the bottom of the valve body are both fixedly provided with second reinforcing rib plates.

Preferably, the threaded rods penetrate through the two sides of the top plate and the valve body, nuts are connected to the surfaces of the threaded rods in a threaded mode, the number of the nuts is four, and the nuts are in close contact with the top plate and the valve body respectively.

Preferably, the square cylinder penetrates through the top plate, and the top plate and the square cylinder are vertically arranged.

Preferably, the through groove and the embedding groove are vertically arranged, and the through groove penetrates through the top sleeve.

Preferably, the handle is an oval structure, and the outer surface of the handle is wrapped by the rubber sleeve.

Preferably, the top end of the fixed rod is fixedly connected with a round short rod, the top end of the round short rod is fixedly connected with a round block, and the round short rod and the round block are embedded at the bottom of the rotary round rod.

The invention has the beneficial effects that:

1. the manual valve can facilitate the connection of the connecting pipeline at two ends of the valve body through the mounting structure, and can be completed only by taking and placing the plugging strips and pulling the pull rod when the connecting pipeline is disassembled and assembled, so that the operation is simple, and the time for assembling and disassembling the valve body can be saved;

2. when the manual valve is used for closed closure, the handle is only required to be pressed down to enable the rubber sealing pad plate to tightly press the inflow opening, closure can be completed by rotating the handle by 90 degrees, repeated rotation is not required, the time for closed closure is saved, when releasing is performed, the handle is loosened after the handle is rotated by 90 degrees, the rubber sealing pad plate stops blocking the inflow opening, releasing can be completed, the operation is simple, and the operation time of the manual valve is saved;

3. this kind of manual valve is damming the back, and the fixed strip gomphosis is inside the gomphosis groove, through the elasticity after the pressure spring compression, can make the fixed strip compress tightly the gomphosis groove, can block spacingly to the fixed strip through the top cover, keeps the pressure spring to continuously receive pressure, and the pressure spring stores up power, provides rubber seal backing plate, compresses tightly rubber seal backing plate, has ensured the sealed effect of rubber seal backing plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is an enlarged view of the portion A shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the round tube and the threaded rod of the present invention;

FIG. 4 is a schematic view of the bottom structure of the top cover of the present invention;

FIG. 5 is a schematic view of the connection structure of the fixed rod and the rotating round rod according to the present invention.

In the figure: 1. the valve body, 2, the inflow opening, 3, the outflow opening, 4, the connecting pipeline, 5, a first reinforcing rib plate, 6, a fixing ring, 7, a pressing block, 8, a through hole, 9, a stretching gas spring, 10, a round pipe, 11, a round sleeve, 12, a groove, 13, a plugging strip, 14, a pull rod, 15, a top plate, 16, a threaded rod, 17, a nut, 18, a square cylinder, 19, a piston, 20, a limiting guide ring, 21, a pressure rod, 22, a pressing plate, 23, a rubber sealing cushion plate, 24, a second reinforcing rib plate, 25, a pressure spring, 26, a fixing rod, 27, a rotating round rod, 28, a handle, 29, a top sleeve, 30, a fixing strip, 31, a tabling groove, 32, a round block, 33, a round short rod, 34 and a through groove.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-5, a manual valve convenient to open and close includes a valve body 1, a mounting structure, an opening and closing structure, a connecting pipe 4, and a fluid inlet 2 and a fluid outlet 3 respectively disposed at two sides of the valve body 1, wherein the two sides of the valve body 1 are respectively connected to the connecting pipe 4 through the mounting structure, and the fluid inlet 2 and the fluid outlet 3 are used for fluid to enter and flow out;

the mounting structure comprises a fixing ring 6 fixedly mounted on one side of a connecting pipeline 4 and three circular pipes 10 fixedly mounted on the surface of the fixing ring 6 in an annular array mode, a through hole 8 communicated with the circular pipe 10 is formed in the surface of the fixing ring 6, the through hole 8 penetrates through one side of a valve body 1, a circular sleeve 11 is fixedly connected to the tail end of the circular pipe 10, a groove 12 is formed in the tail end of the circular sleeve 11, a tension gas spring 9 is connected to the inner portion of the through hole 8 in a matched mode, the tension gas spring 9 provides pressure for a plug strip 13, the plug strip 13 is enabled to tightly press the circular sleeve 11, a pressing block 7 is fixedly connected to one end of the tension gas spring 9, the pressing block 7 tightly presses the valve body 1, a pull rod 14 is fixedly connected to the other end of the tension gas spring 9, a square hole is formed in the surface of the pull rod 14, the plug, the rubber sealing washer provides sealing for the connection of the connecting pipeline 4 and the valve body 1;

the top of the valve body 1 is fixedly provided with a top plate 15, the top plate 15 is fixedly provided with an opening and closing structure, the opening and closing structure comprises a square cylinder 18 and a piston 19 which is matched with and connected with the inside of the square cylinder 18, the bottom end and the top end of the square cylinder 18 are respectively fixedly connected with a limiting guide ring 20 and a top sleeve 29, the bottom of the piston 19 is fixedly connected with a pressure rod 21, the pressure rod 21 is in clearance fit connection with an inner ring of the limiting guide ring 20, the bottom end of the pressure rod 21 is fixedly connected with a pressure plate 22, the surface of the pressure plate 22 is fixedly connected with a rubber sealing backing plate 23, the rubber sealing backing plate 23 covers the tail end of the inflow opening 2, the top of the piston 19 is elastically connected with a connecting plate through a pressure spring 25, the pressure spring 25 provides pressure for the pressure plate 22, so that the rubber sealing backing plate 23 compresses the inflow opening 2 to seal, the top of the, the rotary round rod 27 penetrates through the top sleeve 29, the bottom of the top sleeve 29 is provided with an embedding groove 31 and a through groove 34, the surface of the round rod is fixedly connected with a fixing strip 30, the fixing strip 30 is embedded in the embedding groove 31, the top end of the rotary round rod 27 is fixedly connected with a handle 28, the piston 19 and the connecting plate are of a square structure, and the rotary round rod does not rotate in the square cylinder 18.

A plurality of first reinforcing rib plates 5 distributed in an annular array are fixedly arranged at the connecting positions of the connecting pipeline 4 and the fixing ring 6, and the first reinforcing rib plates 5 are of right-angle trapezoidal structures and can reinforce the connection between the connecting pipeline 4 and the fixing ring 6; the length of the pull rod 14 is greater than the sum of the lengths of the round pipe 10 and the round sleeve 11, one end, away from the stretching gas spring 9, of the pull rod 14 is of a semi-spherical structure, and the pull rod 14 is used for pulling the stretching gas spring 9 to stretch the stretching gas spring 9; the pull rod 14 penetrates through the middle of the groove 12, the width of the groove 12 is smaller than the diameter of the pull rod 14, the depth of the groove 12 is larger than the thickness of the plugging strip 13, the plugging strip 13 is inserted into a square hole in the pull rod 14, and the plugging strip 13 is positioned in the groove 12 and can block the pull rod 14; the top of the valve body 1 and the bottom of the valve body 1 are both fixedly provided with second reinforcing rib plates 24 for supporting and fixing the structure of the valve body 1; threaded rods 16 penetrate through the top plate 15 and the two sides of the valve body 1, nuts 17 are connected to the surfaces of the threaded rods 16 in a threaded mode, the number of the nuts 17 is four, and the four nuts 17 are respectively in close contact with the top plate 15 and the valve body 1 to achieve fixed connection of the top plate 15 and the valve body 1; the square cylinder 18 penetrates through the top plate 15, the top plate 15 and the square cylinder 18 are vertically arranged, the square cylinder 18 provides a moving space for the piston 19, and the piston 19 and the square cylinder 18 are sealed; the through groove 34 and the embedding groove 31 are vertically arranged, the through groove 34 penetrates through the top sleeve 29, and the through groove 34 is used for enabling the fixing strip 30 to enter the valve body 1 and leave the valve body 1; the handle 28 is of an oval structure, the outer surface of the handle 28 is wrapped with a rubber sleeve, and the handle 28 is convenient for a user to hold; the top rigid coupling of dead lever 26 has circular short pole 33, the top rigid coupling of circular short pole 33 has circular piece 32, circular short pole 33 and circular piece 32 gomphosis are in the bottom of rotating round bar 27, realize that dead lever 26 is connected with the rotation between the rotating round bar 27.

When the invention is used, when the valve body 1 is separated from the connecting pipeline 4, the pull rod 14 is pulled to enable the plugging strips 13 to move to one side of the groove 12, then the plugging strips 13 are pulled out, the pull rod 14 is released, the tension gas spring 9 is contracted, all the plugging strips 13 are pulled out through the operation, the pressure of the plugging strips 13 is lost by the fixing ring 6, the separation is realized, when the valve body 1 is connected with the connecting pipeline 4, the valve body 1 can be aligned with the fixing ring 6 on the connecting pipeline 4, the tension gas spring 9 passes through the through hole 8, the pull rod 14 passes through the round sleeve 11, the pull rod 14 is pulled, the tension gas spring 9 is stretched, the press block 7 presses the valve body 1, the square hole on the pull rod 14 moves to one side of the round sleeve 11, the plugging strips 13 are plugged in the square hole, the pull rod 14 is released, the plugging strips 13 enter the groove 12, the square holes on all the pull rod 14 are plugged into the plugging strips 13 through the operation, and, the plug strip 13 is blocked, so that the stretching gas spring 9 is kept in a stretching state, the connecting pipeline 4 is tightly pressed with the valve body 1, and the sealing is realized through a rubber sealing washer;

when the closure is performed, the handle 28 is pressed down to make the fixed rod 26 and the rotating round rod 27 go down, the compression spring 25 is compressed, the piston 19 and the compression rod 21 go down simultaneously, the rubber sealing pad 23 is pressed against the end of the inflow port 2 to be closed, then the handle 28 is rotated 90 degrees, the rotating round rod 27 is rotated about the fixed rod 26, after the fixed strip 30 and the rotating round rod 27 are rotated 90 degrees together, the fixed strip 30 is aligned with the embedding groove 31, the handle 28 is released, the fixed strip 30 enters the embedding groove 31, the fixed strip 30 can be blocked and limited through the top sleeve 29, the pressure spring 25 is kept continuously pressed, the sealing effect of the rubber sealing pad 23 is ensured, when the release is performed, the handle 28 can be pressed down to make the fixed strip 30 leave from the embedding groove 31 and enter the top of the square tube 18, the handle 28 is rotated 90 degrees, the fixed strip 30 is aligned with the through groove 34, the handle 28 is pulled to make the handle 28 go up, the fixing strip 30 leaves the valve body 1 from the top of the through groove 34, and the rubber sealing cushion plate 23 stops pressing the tail end of the inflow port 2 to realize open flow.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a manual valve convenient to open and close which characterized in that: the valve comprises a valve body (1), a mounting structure, an opening and closing structure, a connecting pipeline (4), and a flow inlet (2) and a flow outlet (3) which are respectively arranged at two sides of the valve body (1), wherein the two sides of the valve body (1) are respectively connected with the connecting pipeline (4) through the mounting structure;

the mounting structure comprises a fixing ring (6) fixedly arranged on one side of the connecting pipeline (4) and three circular tubes (10) fixedly arranged on the surface of the fixing ring (6) in an annular array, the surface of the fixed ring (6) is provided with a through hole (8) communicated with the circular tube (10), the through hole (8) penetrates through one side of the valve body (1), the tail end of the circular tube (10) is fixedly connected with a circular sleeve (11), the tail end of the round sleeve (11) is provided with a groove (12), the through hole (8) is internally matched and connected with a tension gas spring (9), one end of the stretching gas spring (9) is fixedly connected with a pressing block (7), the other end of the stretching gas spring (9) is fixedly connected with a pull rod (14), the surface of the pull rod (14) is provided with a square hole which is embedded and connected with a plug strip (13), the plugging strips (13) are embedded and connected with the grooves (12), and the surface of the fixing ring (6) is fixedly connected with a rubber sealing gasket;

the valve body (1) top fixed mounting has roof (15), fixed mounting has the opening and closing structure on roof (15), the opening and closing structure includes a square section of thick bamboo (18) and cooperates the inside piston (19) of a square section of thick bamboo (18), the bottom and the top of a square section of thick bamboo (18) rigid coupling respectively have spacing guide ring (20) and top cover (29), the bottom rigid coupling of piston (19) has depression bar (21), the inner circle clearance fit of depression bar (21) and spacing guide ring (20) is connected, the bottom rigid coupling of depression bar (21) has clamp plate (22), the surface rigid coupling of clamp plate (22) has rubber seal backing plate (23), and rubber seal backing plate (23) cover the end at influent stream mouth (2), the top of piston (19) has the connecting plate through pressure spring (25) elastic connection, the top rigid coupling of connecting plate has dead lever (26), the top end of the fixed rod (26) is rotatably connected with a rotating round rod (27), the rotating round rod (27) penetrates through the top sleeve (29), the bottom of the top sleeve (29) is provided with a tabling groove (31) and a through groove (34), the surface of the round rod is fixedly connected with a fixed strip (30), the fixed strip (30) is tabled in the tabling groove (31), and the top end of the rotating round rod (27) is fixedly connected with a handle (28); a plurality of first reinforcing rib plates (5) distributed in an annular array are fixedly arranged at the joint of the connecting pipeline (4) and the fixing ring (6), and the first reinforcing rib plates (5) are of a right-angle trapezoidal structure;

the length of the pull rod (14) is greater than the sum of the lengths of the round pipe (10) and the round sleeve (11), and one end, far away from the stretching gas spring (9), of the pull rod (14) is of a semi-sphere structure.

2. The manual valve facilitating opening and closing according to claim 1, wherein: the pull rod (14) penetrates through the middle of the groove (12), the width of the groove (12) is smaller than the diameter of the pull rod (14), and the depth of the groove (12) is larger than the thickness of the plugging strip (13).

3. The manual valve facilitating opening and closing according to claim 1, wherein: and second reinforcing rib plates (24) are fixedly arranged at the top of the valve body (1) and the bottom of the valve body (1).

4. The manual valve facilitating opening and closing according to claim 1, wherein: threaded rod (16) are all run through to the both sides of roof (15) and valve body (1), threaded rod (16) surface threaded connection has nut (17), and nut (17) figure is four, four nut (17) respectively with roof (15) and valve body (1) in close contact with.

5. The manual valve facilitating opening and closing according to claim 1, wherein: the square cylinder (18) penetrates through the top plate (15), and the top plate (15) and the square cylinder (18) are vertically arranged.

6. The manual valve facilitating opening and closing according to claim 1, wherein: the through groove (34) and the embedding groove (31) are vertically arranged, and the through groove (34) penetrates through the top sleeve (29).

7. The manual valve facilitating opening and closing according to claim 1, wherein: the handle (28) is of an oval structure, and the outer surface of the handle (28) is wrapped by a rubber sleeve.

8. The manual valve facilitating opening and closing according to claim 1, wherein: the top rigid coupling of dead lever (26) has circular short pole (33), the top rigid coupling of circular short pole (33) has circular piece (32), circular short pole (33) and circular piece (32) gomphosis are in the bottom of rotating round bar (27).