CN211117681U - Valve core and valve comprising same - Google Patents

Abstract

The utility model relates to a case and contain valve of this case belongs to the valve equipment field, the valve includes valve body and case, the both ends of valve body are equipped with liquid outlet and inlet, the case is located the valve body, including sealed end, link, opening end and pivot, the link relative set firmly in sealed end with one side, the opening end is located between link and the sealed end for supply fluid to pass through, the link is run through in the pivot, the link realizes rotating and linear motion along with the rotation of pivot, realizes the closure of valve and opens, when using this valve, sealed the pad does not rotate along with the case, does not rub with the valve body inner wall, the life of very big extension valve, and has simple structure, convenient operation's characteristics, has wide popularization prospect.

Description

Valve core and valve comprising same

Technical Field

The utility model belongs to the technical field of valve equipment, specifically speaking relates to a case and contain valve of this case.

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.

At present, common valves mainly have ball valve and butterfly valve two categories, use more extensively, but the problem that exists is also more, rotates the extrusion that receives that the in-process sealing washer lasts at ball valve and butterfly valve, and at the rotation in-process, the sealing washer is very easily deviate from, leads to sealed failure. Therefore, how to reduce the extrusion to the sealing ring in the rotating process and prolong the service life of the valve is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

Aiming at various defects in the prior art, the valve capable of effectively reducing the abrasion of the sealing ring and prolonging the service life is provided.

In order to achieve the above object, the utility model provides a following technical scheme:

a valve core comprises a sealing end, a connecting end, an opening end and a rotating shaft, wherein the connecting end is fixedly arranged on the same side of the sealing end oppositely, the opening end is positioned between the connecting end and the sealing end and used for allowing fluid to pass through, the rotating shaft penetrates through the connecting end, and the connecting end rotates and moves linearly along with the rotation of the rotating shaft.

Further, the sealing end comprises a sealing plate and a sealing ring fixed on the sealing plate, and the sealing ring is positioned on one side far away from the connecting end.

Further, the link is including connecting the fixed disk and the rotatory groove that links firmly with connecting the fixed disk, install the bulge loop in the rotatory groove, its inboard is provided with the first breach with the bulge matched with of bulge loop.

Furthermore, a space for accommodating the spring device is arranged between the convex ring and the rotating groove, and two sides of the convex ring are respectively abutted against the rotating groove and the spring device.

Furthermore, the periphery of the rotating groove is provided with a limiting protrusion, and the inner side of the rotating groove is provided with a spring fixing groove for mounting a spring device.

Furthermore, connect and set up the first through-hole and the second through-hole that supply the pivot to run through on fixed disk and the bulge loop respectively, just first through-hole is located in the swivelling chute, the pivot runs through and connects the link and the bulge loop of both sides.

Further, the rotating shaft comprises a rotating shaft body and a handle part, and the cross section of the rotating shaft body is the same as that of the second through hole in shape and is used for transmitting the torque of the rotating shaft body.

Further, the cross section of the rotating shaft body and the cross section of the second through hole are triangular or polygonal.

Additionally, the utility model provides a valve, the power distribution valve comprises a valve body, the both ends of valve body are equipped with liquid outlet and inlet, still include more than the case, the case is located the valve body, and it is through pivot and valve body rotatable coupling, the case rotates the closure that realizes the valve and opens at the valve body along with the pivot.

Further, the mounting groove that holds the link has been seted up to the both sides of valve body inner wall, the mounting groove sets up along the length direction of valve body.

Furthermore, two limit grooves are arranged in the mounting groove at intervals, limit protrusions matched with the limit grooves are arranged on the periphery of the rotating groove, the limit protrusions move between the two limit grooves, and the parallel and non-parallel state conversion of the sealing end and the liquid outlet is achieved.

Furthermore, a first fixing through hole for the rotating shaft body to penetrate through is formed in one mounting groove, and a blind hole for fixing the end part of the rotating shaft body is formed in the other mounting groove.

Furthermore, a taper guide surface is arranged between the periphery of the sealing ring and the sealing plate and is used for being matched with the liquid outlet.

Further, the inboard of liquid outlet is provided with the seal groove, install sealed the pad in the seal groove with sealed end cooperatees.

The utility model has the advantages that:

1. sealed pad is installed in the seal groove and it does not rotate along with the case, just with sealed pad contact after sealed end rotates the position that the liquid outlet parallels, has changed the drawback of continuous friction between sealed pad and the valve body in the past, the factor of safety of increase valve, the life of very big degree extension valve saves the cost for the enterprise, by the very big reduction of possibility that the seepage appears in valve department in the material transportation.

2. The rotating shaft body is installed in the rotating groove through the convex ring, the protruding portion of the convex ring is matched with the first notch, the rotating shaft body is rotated, the valve core rotates along with the convex ring, meanwhile, the limiting protrusion is matched with the limiting groove, the rotating amplitude of the valve core is limited, the valve core is guaranteed to rotate to a position parallel to the liquid outlet, the rotating shaft body is rotated again, the protruding portion of the convex ring is screwed out of the first notch under the action of external force, the sealing end is pushed to a position close to the liquid outlet, the sealing end is matched with the sealing gasket, sealing is achieved, sealing of the valve can be achieved only by rotating the rotating shaft, and.

3. The periphery of sealing ring and the edge of closing plate are provided with the tapering spigot surface between, and the closing plate offsets with the liquid outlet and tends to the in-process sealed, can offset with liquid outlet department all the time, reinforcing sealed effect.

4. The utility model has the advantages of simple structure, it is all extremely convenient to install and use.

Drawings

FIG. 1 is a schematic view of a valve cartridge;

FIG. 2 is a schematic view of the seal end and the connection end;

FIG. 3 is a schematic view of a portion of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a male ring;

FIG. 5 is a schematic view of a spring device;

FIG. 6 is a cross-sectional view of the seal plate and seal ring;

FIG. 7 is a schematic view of the structure of the rotating shaft;

FIG. 8 is a schematic structural view of a valve body;

FIG. 9 is another schematic structural view of the valve body;

fig. 10 is a cross-sectional view of the valve body.

In the drawings:

1-sealing end, 101-sealing plate, 102-sealing ring, 103-taper guiding surface;

2-connecting end, 201-connecting fixed disc, 202-rotating groove, 203-convex ring, 204-first gap, 205-spring device, 206-spring fixed groove, 207-first through hole, 208-second through hole and 209-limit protrusion;

3-opening end;

4-rotating shaft, 401-rotating shaft body, 402-handle part and 403-limiting block;

5-a liquid outlet and 501-a sealing groove;

6-liquid inlet;

7-mounting groove, 701-limiting groove, 702-first fixing through hole, 703-blind hole and 704-rotary fixing groove.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-10, a valve element is disposed in a valve, the valve further includes a valve body, the valve element is disposed in the valve body, a liquid outlet 5 and a liquid inlet 6 are disposed at two ends of the valve body, the valve element includes a sealing end 1, a connecting end 2, an opening end 3 and a rotating shaft 4, the sealing end 1 is fixedly connected with the connecting end 2, and the opening end 3 is located between the sealing end 1 and the connecting end 2 and used for allowing fluid to pass through. The rotating shaft 4 is matched with the connecting end 2 to realize the rotation of the valve core, and the valve core realizes the closing and opening of the valve through rotation and linear motion in the valve body.

Example one

Referring to fig. 1-7, the connection end 2 is fixed to the same side of the sealing end 1, and the sealing end 1 includes a sealing plate 101 and a sealing ring 102, and the sealing ring 102 is fixed to the sealing plate 101. The sealing ring 102 is located on a side far away from the connecting end 2, the sealing plate 101 is circular, the diameter of the sealing ring 102 is smaller than that of the sealing plate 101, and when the sealing end 1 is in a sealing state, the sealing ring 102 abuts against the liquid outlet 5. In order to enhance the sealing effect between the sealing ring 102 and the liquid outlet 5, a taper guide surface 103 is fixedly arranged between the periphery of the sealing ring 102 and the edge of the sealing plate 101, in this embodiment, the taper guide surface 103, the sealing plate 101 and the sealing ring 102 form an integral structure, and in the process that the sealing ring 102 is pressed against the liquid outlet 5 and tends to seal, due to the existence of the taper guide surface 103, the sealing ring can be pressed against the liquid outlet 5 all the time, so that the sealing effect is enhanced. In this embodiment, the valve body is cylindrical, and the plane of the connecting end 2 is perpendicular to the plane of the sealing end 1.

In order to better seal the joint of the liquid outlet 5 and the valve core, a sealing groove 501 for accommodating a sealing gasket is arranged in the liquid outlet 5, and the sealing ring 102 is in sealing fit with the sealing gasket.

The link 2 is including connecting fixed disk 201 and the swivelling chute 202 that links firmly with connecting fixed disk 201, be provided with bulge loop 203 in the swivelling chute 202, the swivelling chute 202 becomes the ring form, and it is located connect the outside of fixed disk 201, swivelling chute 202 inboard is provided with the first breach 204 of protuberance matched with bulge loop 203, and simultaneously, be provided with the space that holds spring device 205 between bulge loop 203 and the swivelling chute 202, the both sides of bulge loop 203 offset with swivelling chute 202 and spring device 205 respectively. Specifically, a spring fixing groove 206 for installing a spring device 205 is provided inside the rotation groove 202, one end of the spring device 205 is fixed in the spring fixing groove 206, and the other end thereof is a free end. In this embodiment, the spring device 205 is a spring plate.

In order to facilitate the connection and matching of the rotating shaft 4 and the connecting end 2, a first through hole 207 for the rotating shaft 4 to pass through is formed in the connecting fixing disc 201, a second through hole 208 for the rotating shaft 4 to pass through is formed in the convex ring 203, and the first through hole 207 is located in the rotating groove 202. When the rotating shaft 4 is matched with the connecting end 2, the protruding part of the convex ring 203 is arranged in the first notch 204, the second through hole 208 is ensured to be coincided with the first through hole 207, and the rotating shaft 4 sequentially penetrates through the second through hole 208 and the first through hole 207 on the two sides, so that the valve core can be assembled. In addition, a limit protrusion 209 is disposed at the periphery of the rotation groove 202, and the limit protrusion 209 is integrally formed with the rotation groove 202.

Example two

Referring to fig. 1 to 4, the rotating shaft 4 includes a rotating shaft body 401 and a handle portion 402 which are integrated into a whole, the rotating shaft body 401 is bent upward to form the handle portion 402, a limiting fixing block is movably connected to a joint of the rotating shaft body 401 and the handle portion 402, and a limiting block 403 is fixedly arranged on the limiting fixing block. Specifically, the two sides of the rotating shaft body 401 are fixedly provided with positioning pins, and the limiting fixing block is movably connected with the rotating shaft 4 through the positioning pins. The rotating shaft body 401 extends into the valve body to be matched with the valve core, the handle part 402 is located on the outer side of the valve body, and specifically, the rotating shaft body 401 sequentially penetrates through the second through hole 208 and the first through hole 207 to be matched with the connecting end 2. Meanwhile, the cross section of the spindle body 401 is the same as the cross section of the second through hole 208 in shape. In order to transmit the torque of the rotation shaft body 401, the cross section of the rotation shaft body 401 and the shape of the second through hole 208 are both triangular or polygonal. In this embodiment, the cross section of the spindle body 401 and the cross section of the second through hole 208 are both formed in a quadrilateral shape.

EXAMPLE III

Referring to fig. 1 to 3 and 8 to 10, two mounting grooves 7 for accommodating the connecting end 2 are formed in two sides of the inner wall of the valve body, the mounting grooves 7 are arranged along the length direction of the valve body, the two mounting grooves 7 are arranged at intervals, two limiting grooves 701 are arranged in the mounting grooves 7 at intervals, and the limiting grooves 701 are used for accommodating the limiting protrusions 209. That is, when the rotating shaft body 401 rotates, the limiting protrusions 209 move in the two limiting grooves 701, and the existence of the limiting protrusions 209 and the limiting grooves 701 effectively limits the rotation of the rotating shaft body 401. When the rotating shaft body 401 rotates, the conversion between the parallel and non-parallel states of the plane where the sealing end 1 and the liquid outlet 5 are located is realized.

In order to better fix the valve core and the valve body, a first fixing through hole 702 for the rotating shaft body 401 to penetrate through is formed in one mounting groove 7, and a blind hole 703 is formed in the other mounting groove 7, wherein the blind hole 703 is used for fixing the end part of the rotating shaft body 401. Meanwhile, a rotation fixing groove 704 matched with the limiting block 403 is formed in the outer side of the valve body corresponding to the first fixing hole 602, and the limiting block 403 is installed in the rotation fixing groove 704, so that the rotation range of the rotating shaft 4 is effectively limited.

When the valve is installed, the convex ring 203 is installed in the rotating groove 202, the spring device 205 is fixed in the spring fixing groove 206, the protruding part of the convex ring 203 is ensured to be positioned in the first notch 204, the bottom of the convex ring is abutted against the spring device 205, the first through hole 207 and the second through hole 208 are ensured to be overlapped, the connecting end 2 which is matched with the convex ring 203 and is installed in the valve body along the installation groove 7, the first fixing through hole 702, the second through hole 208 and the first through hole 207 are ensured to be overlapped, the rotating shaft body 401 sequentially penetrates through the first fixing through hole 702, the second through hole 208 and the first through hole 207, the end part of the rotating shaft body 401 sequentially penetrates through the first through hole 207 and the second through hole 208 on the other side, the end part of the rotating shaft body 401 is installed in the blind hole 703, a limit clamp is installed between the rotating shaft body 401 and the first fixing through hole 702 for preventing the rotating shaft 4 from being separated from the, meanwhile, the stopper 403 is installed in the rotation fixing groove 704.

When the valve is used, in an initial state, the valve is in an open state, the sealing end 1 is located on one side close to the inner wall of the valve body, the handle part 402 is rotated, the connecting fixing disc 201 moves from one limiting groove 701 to the other limiting groove 701, the protruding part of the convex ring 203 is clamped with the first notch 204, when the rotating shaft body 401 rotates, the sealing end 1 and the connecting end 2 rotate along with the rotating shaft, the sealing plate 101 rotates to a position parallel to the liquid outlet 5, at the moment, the handle part 402 continues to rotate, the protruding part of the convex ring 203 is separated from the first notch 204 under the action of external force, the connecting end 2 linearly displaces towards the direction close to the liquid outlet 5 while compressing the spring device 205 at the lower part, and the sealing end 1 integrated with the connecting end 2 is abutted against a sealing gasket in the sealing groove 501, so that the valve is closed.

The handle part 402 is rotated in the opposite direction, the spring device 205 assists the convex part of the convex ring 203 to reset to the first notch 204, meanwhile, the connecting end 2 and the sealing end 1 generate linear displacement along the direction away from the liquid outlet 5, the sealing gasket is kept away, the taper guide surface 103 is separated from the liquid outlet 5, the handle part 402 is continuously rotated, the sealing end 1 rotates around the rotating shaft body 401 to the direction close to the side wall of the valve body, the opening end 3 is communicated with the liquid outlet 5 and the liquid inlet 6, and the valve is opened.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims (14)

1. The valve core is characterized by comprising a sealing end (1), a connecting end (2), an opening end (3) and a rotating shaft (4), wherein the connecting end (2) is fixedly arranged on the same side of the sealing end (1) oppositely, the opening end (3) is positioned between the connecting end (2) and the sealing end (1) and used for allowing fluid to pass through, the rotating shaft (4) penetrates through the connecting end (2), and the connecting end (2) rotates and moves linearly along with the rotation of the rotating shaft (4).

2. Valve cartridge according to claim 1, characterized in that the sealing end (1) comprises a sealing plate (101) and a sealing ring (102) fixed to the sealing plate (101), the sealing ring (102) being located on the side remote from the connecting end (2).

3. The valve core according to claim 2, wherein the connecting end (2) comprises a connecting fixed disc (201) and a rotating groove (202) fixedly connected with the connecting fixed disc (201), a convex ring (203) is installed in the rotating groove (202), and a first notch (204) matched with a protruding part of the convex ring (203) is arranged on the inner side of the rotating groove.

4. A valve cartridge according to claim 3, characterized in that a space for accommodating the spring means (205) is provided between the collar (203) and the rotary groove (202), and both sides of the collar (203) are respectively abutted against the rotary groove (202) and the spring means (205).

5. A valve trim according to claim 4, characterized in that the rotation groove (202) is provided with a stop protrusion (209) at its periphery and a spring fixing groove (206) for mounting a spring means (205) at its inner side.

6. The valve core according to claim 3 or 4, wherein the connecting fixed disc (201) and the protruding ring (203) are respectively provided with a first through hole (207) and a second through hole (208) for the rotating shaft (4) to pass through, the first through hole (207) is located in the rotating groove (202), and the rotating shaft (4) passes through and is connected with the connecting end (2) and the protruding ring (203) at two sides.

7. The valve cartridge as claimed in claim 6, wherein the spindle (4) comprises a spindle body (401) and a handle portion (402), the cross section of the spindle body (401) is the same as the cross section of the second through hole (208) for transmitting the torque of the spindle body (401).

8. The valve cartridge according to claim 7, wherein the cross-sectional shape of the spindle body (401) and the cross-sectional shape of the second through hole (208) are triangular or polygonal.

9. A valve comprises a valve body, wherein a liquid outlet (5) and a liquid inlet (6) are arranged at two ends of the valve body, the valve is characterized by further comprising a valve core according to claim 8, the valve core is positioned in the valve body and is rotatably connected with the valve body through a rotating shaft (4), and the valve core rotates along with the rotating shaft (4) on the valve body to realize the closing and opening of the valve.

10. The valve according to claim 9, wherein mounting grooves (7) for accommodating the connecting ends (2) are formed on two sides of the inner wall of the valve body, and the mounting grooves (7) are arranged along the length direction of the valve body.

11. The valve according to claim 10, wherein two limiting grooves (701) are arranged in the mounting groove (7) at intervals, a limiting protrusion (209) matched with the limiting grooves (701) is arranged on the periphery of the rotating groove (202), and the limiting protrusion (209) moves between the two limiting grooves (701), so that the parallel and non-parallel states of the sealing end (1) and the liquid outlet (5) are switched.

12. A valve according to claim 11, wherein one of the mounting grooves (7) has a first fixing through hole (702) for the shaft body (401) to pass through, and the other mounting groove (7) has a blind hole (703) for fixing the end of the shaft body (401).

13. A valve according to claim 11 or 12, wherein a tapered guide surface (103) is provided between the periphery of the sealing ring (102) and the sealing plate (101) for cooperation with the outlet (5).

14. A valve according to claim 13, wherein the inner side of the liquid outlet (5) is provided with a sealing groove (501), and a sealing gasket is arranged in the sealing groove (501) to match with the sealing end (1).

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