CN110735936A - kinds of valve core and valve containing same - Google Patents

Abstract

The invention relates to valve cores and a valve comprising the valve cores, and belongs to the field of valve equipment, wherein the valve comprises a valve body and a valve core, a liquid outlet and a liquid inlet are formed in two ends of the valve body, the valve core is positioned in the valve body and comprises a sealing end, a connecting end, an opening end and a rotating shaft, the connecting end is oppositely and fixedly arranged on the same side of the sealing end, 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 linearly moves along with the rotation of the rotating shaft to close and open the valve .

Description

kinds of valve core and valve containing same

Technical Field

The invention belongs to the technical field of valve equipment, and particularly relates to valve cores and a valve comprising the valve cores.

Background

The valve is a control component in the fluid delivery system and has functions of stopping, regulating, guiding, preventing reverse flow, stabilizing pressure, shunting, or overflowing to relieve pressure.

The valves used in fluid control systems range from the simplest shut-off valves to the various valves used in extremely sophisticated autonomous systems, which are quite numerous in variety and size, valves can be used to control the flow of various types of fluids, such as air, water, steam, various corrosive media, slurries, oils, liquid metals, and radioactive media.

At present, the common valve mainly comprises a ball valve and a butterfly valve, the use of the common valve is , but the problems are more, a sealing ring is continuously extruded in the rotating process of the ball valve and the butterfly valve, and the sealing ring is easily separated in the rotating process to cause sealing failure.

Disclosure of Invention

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

In order to achieve the purpose, the invention provides the following technical scheme:

kinds of valve cores, including sealed end, link, opening end and pivot, the link relative set firmly in the same side of sealed end, the opening end is located between link and the sealed end for supply fluid passes through, the pivot runs through the link, the link realizes rotation and linear motion along with the rotation of pivot.

, the sealing end includes a sealing plate and a sealing ring secured to the sealing plate on a side away from the connection end.

, the connecting end comprises a connecting fixing disc and a rotating groove fixedly connected with the connecting fixing disc, a convex ring is arranged in the rotating groove, and a notch matched with the protruding part of the convex ring is arranged on the inner side of the rotating groove.

And , a space for accommodating the elastic 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 elastic device.

And , arranging a limit protrusion on the periphery of the rotation groove, and arranging a spring fixing groove for installing an elastic device on the inner side of the rotation groove.

, the connecting fixing disc and the convex ring are respectively provided with a through hole and a second through hole for the rotating shaft to penetrate through, the through hole is positioned in the rotating groove, and the rotating shaft penetrates through and is connected with the connecting ends and the convex ring at two sides.

And , 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 and is used for transmitting the torque of the rotating shaft body.

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

In addition, the invention also provides valves , which comprises a valve body, a valve core and a valve plug, wherein a liquid outlet and a liquid inlet are arranged at two ends of the valve body, the valve core is positioned in the valve body and is rotatably connected with the valve body through a rotating shaft, and the valve plug rotates along with the rotating shaft on the valve body to realize the closing and opening of the valve .

, 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.

And step , wherein two limit grooves are arranged in the mounting groove at intervals, a limit protrusion matched with the limit grooves is arranged on the periphery of the rotating groove, the limit protrusion moves between the two limit grooves, and the parallel and non-parallel state conversion of the sealing end and the liquid outlet is realized.

, th fixing through holes for the rotating shaft body to penetrate are formed in mounting grooves, and blind holes for fixing the end part of the rotating shaft body are formed in mounting grooves.

And , a tapered guide surface is arranged between the periphery of the sealing ring and the sealing plate and is used for matching with the liquid outlet.

And step , a sealing groove is arranged on the inner side of the liquid outlet, and a sealing gasket is arranged in the sealing groove and matched with the sealing end.

The invention has the beneficial effects that:

1. sealing gasket installs in the seal groove and it does not rotate along with the case, only just with sealed the pad contact after sealed end rotates the position that the liquid outlet parallels, has changed the sealed drawback of constantly rubbing between the valve body of the sealed pad in the past, increase valve 's factor of safety, the life of very big degree extension valve , for the cost is saved to the enterprise, by the very big reduction of possibility that the seepage appears in valve department in the material transportation.

2. The pivot body passes through the bulge loop to be installed at the rotating groove, the bulge of bulge loop cooperatees with breach, rotate the pivot body, the case rotates thereupon, spacing bulge cooperatees with the spacing groove simultaneously, the rotation range of restriction case, guarantee its rotatory position to be parallel to with the liquid outlet, rotate the pivot body again, the bulge of bulge loop is under the effect of external force and is unscrewed the breach and with sealed end to the position promotion that is close to the liquid outlet, sealed end cooperatees with sealed the pad, realize sealed, only rotate the pivot and can realize the sealed of valve , think about ingeniously.

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 invention has simple structure and convenient installation 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 an elastic 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 construction schematic diagram 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- th notch, 205-elastic device, 206-spring fixed groove, 207- th through hole, 208-second through hole and 209-limiting 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- th fixing through hole, 703-blind hole and 704-rotary fixing groove.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within 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 invention is further described in connection with the drawings and the preferred embodiment.

Referring to fig. 1-10, kinds of valve cores are disposed in a valve , the valve further includes a valve body, the valve core 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 core 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, 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 rotation of the valve core, and the valve core is rotated and linearly moved in the valve body to realize closing and opening of the valve .

Example

Referring to fig. 1 to 7, the connection end 2 is oppositely fixed to the same side of the sealing end 1, the sealing end 1 includes a sealing plate 101 and a sealing ring 102, the sealing ring 102 is fixedly disposed on the sealing plate 101, the sealing ring 102 is located on the side away from the connection end 2, the sealing plate 101 is circular, the diameter of the sealing ring 102 is smaller than the diameter of the sealing plate 101, the sealing ring 102 abuts against the liquid outlet 5 when the sealing end 1 is in a sealing state, in order to enhance the sealing effect of the sealing ring 102 against the liquid outlet 5, a taper guide surface 103 is fixedly disposed between the periphery of the sealing ring 102 and the edge of the sealing plate 101, in this embodiment, the taper guide surface 103 forms a body structure with the sealing plate 101 and the sealing ring 102, and in the process that the sealing ring 102 abuts against the liquid outlet 5 and tends to seal, due to the existence of the taper guide surface 103, the sealing body can always abut against the liquid outlet 5 and enhance the sealing effect.

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 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 arranged in the rotating groove 202, the rotating groove 202 is annular and located on the outer side of the connecting fixed disc 201, an th notch 204 matched with a protruding part of the convex ring 203 is arranged on the inner side of the rotating groove 202, meanwhile, a space for accommodating an elastic device 205 is arranged between the convex ring 203 and the rotating groove 202, two sides of the convex ring 203 respectively abut against the rotating groove 202 and the elastic device 205, specifically, a spring fixing groove 206 for installing the elastic device 205 is arranged on the inner side of the rotating groove 202, the end of the elastic device 205 is fixed in the spring fixing groove 206, and the other end of the elastic device 205 is a free end.

In order to facilitate the connection and matching of the rotating shaft 4 and the connecting end 2, a th through hole 207 through which the rotating shaft 4 penetrates is formed in the connecting fixed disc 201, a second through hole 208 through which the rotating shaft 4 penetrates is formed in the convex ring 203, and the th through hole 207 is located in the rotating groove 202. when the rotating shaft 4 and the connecting end 2 are matched, the protruding portion of the convex ring 203 is installed in the th notch 204, so that the second through hole 208 and the th through hole 207 are enabled to coincide, and the rotating shaft 4 sequentially penetrates through the second through hole 208 and the th through hole 207 located on two sides, so that the valve element can be assembled.

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 -shaped structures, the rotating shaft body 401 is bent upward to form the handle portion 402, a limit fixing block is movably connected to a joint of the rotating shaft body 401 and the handle portion 402, and a limit block 403 is fixedly arranged on the limit fixing block, specifically, positioning pins are fixedly arranged on two sides of the rotating shaft body 401, the limit 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 portion 402 is located on the outer side of the valve body, specifically, the rotating shaft body 401 sequentially penetrates through a second through hole 208 and a second through hole 207 to be matched with the connecting end 352, meanwhile, the cross section of the rotating shaft body 401 is the same as the cross section of the second through hole 208, and the cross sections of the rotating shaft body 401 and the second through hole 208 are both triangular or polygonal.

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 fixing through hole 702 for the rotating shaft body 401 to penetrate through is formed in installation grooves 7, a blind hole 703 is formed in another installation groove 7, and the blind hole 703 is used for fixing the end part of the rotating shaft body 401. meanwhile, a rotating fixing groove 704 matched with a limiting block 403 is formed in the outer side of the valve body corresponding to the fixing hole 602, and the limiting block 403 is installed in the rotating fixing groove 704, so that the rotating range of the rotating shaft 4 is effectively limited.

When the valve is installed, the protruding ring 203 is installed in the rotating groove 202, the elastic device 205 is fixed in the spring fixing groove 206, and the protruding portion of the protruding ring 203 is ensured to be located in the notch 204, and the bottom of the protruding ring is abutted against the elastic device 205, and simultaneously the 0 th through hole 207 and the second through hole 208 are ensured to be overlapped, the connecting end 2 which is installed in cooperation with the protruding ring 203 is installed in the valve body along the installation groove 7, the th fixing through hole 702, the second through hole 208 and the th through hole 207 are ensured to be overlapped, the rotating shaft body 401 sequentially penetrates through the th fixing through hole 702, the second through hole 208 and the th through hole 207, the end of the rotating shaft body 401 sequentially penetrates through the side th through hole 207 and the second through hole 208, and the end of the rotating shaft body is installed in the blind hole 703, the limit card is installed between the rotating shaft body 401 and the fixing through hole 702 for preventing the rotating shaft 4 from being pulled out from the th fixing through hole 702.

When the valve is used, in an initial state, the valve is in an open state, the sealing end 1 is located on the side close to the inner wall of the valve body, the handle 402 is rotated, the connecting fixing disc 201 moves from limiting grooves 701 to limiting grooves 701, the protruding portion of the convex ring 203 is engaged with the notch 204, the sealing end 1 and the connecting end 2 rotate along with the rotation of the rotating shaft body 401, the sealing plate 101 rotates to a position parallel to the liquid outlet 5, at this time, the handle 402 is rotated continuously, the protruding portion of the convex ring 203 is disengaged from the notch 204 under the action of external force, the connecting end 2 linearly displaces in the direction close to the liquid outlet 5 while compressing the elastic device 205, and the sealing end 1 in the body structure with the connecting end 2 abuts against the sealing gasket in the sealing groove 501, so that the valve is closed.

The handle part 402 is rotated in the opposite direction, the elastic device 205 assists the protruding part of the convex ring 203 to return to the th 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 towards 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 construed as limiting the scope of the invention, i.e., all equivalent variations and modifications within the scope of the present application should be covered by the present invention.

Claims (14)

1. The valve core of kinds, its characterized in that, including sealed end (1), link (2), opening end (3) and pivot (4), link (2) relative set firmly in sealed end (1) with side, opening end (3) are located between link (2) and sealed end (1) for supply fluid passes through, pivot (4) run through link (2), rotation and linear motion are realized along with the rotation of pivot (4) in link (2).
2. 2. kinds of valve cartridges according to claim 1, wherein the sealing end (1) includes a sealing plate (101) and a sealing ring (102) fixed on the sealing plate (101), the sealing ring (102) is located at the side away from the connecting end (2).
3. 3. kinds of valve cores according to claim 2, characterized in that, the connection end (2) includes a connection fixed disk (201) and a rotation groove (202) fixed with the connection fixed disk (201), the rotation groove (202) is installed with a convex ring (203), the inner side of which is provided with a th notch (204) matching with the protruding part of the convex ring (203).
4. 4. kinds of valve cartridges according to claim 3, characterized in that, a space for accommodating the elastic means (205) is provided between the protruding ring (203) and the rotation groove (202), and both sides of the protruding ring (203) are respectively abutted against the rotation groove (202) and the elastic means (205).
5. 5. kinds of valve cartridges according to claim 4, characterized in that, the periphery of the rotation groove (202) is provided with a limit protrusion (209), and the inside thereof is provided with a spring fixing groove (206) for mounting an elastic means (205).
6. 6. The kinds of valve cartridges of claim 3 or 4, wherein the fixed connecting disc (201) and the protruding ring (203) are respectively provided with a through hole (207) and a second through hole (208) for the rotating shaft (4) to pass through, the through hole (207) is located in the rotating groove (202), and the rotating shaft (4) passes through and connects the connecting ends (2) and the protruding ring (203) at both sides.
7. 7. The kinds of valve spools of claim 6, wherein the rotating shaft (4) comprises a rotating shaft body (401) and a handle portion (402), and the cross section of the rotating shaft body (401) is the same as the cross section of the second through hole (208) for transmitting the torque of the rotating shaft body (401).
8. 8. The kinds of spools of claim 7, wherein the cross-sectional shapes of the spindle body (401) and the second through-hole (208) are triangular or polygonal.
9. 9, kinds of valve , including the valve body, the both ends of valve body are equipped with liquid outlet (5) and inlet (6), characterized by, still include the case of claim 8, the case is located the valve body, and it is rotatable with the valve body through pivot (4), the case realizes closing and opening of valve along with pivot (4) rotation at the valve body.
10. 10. The kinds of valves of claim 9, wherein the valve body has mounting grooves (7) on both sides of the inner wall for receiving the connection ends (2), and the mounting grooves (7) are arranged along the length direction of the valve body.
11. 11. The kinds of valves of claim 10, wherein two limiting grooves (701) are spaced apart from each other in the mounting groove (7), the limiting protrusion (209) engaged with the limiting grooves (701) is disposed on the periphery of the rotating groove (202), and the limiting protrusion (209) moves between the two limiting grooves (701) to realize the switching between the parallel and non-parallel states of the sealing end (1) and the liquid outlet (5).
12. 12. The kinds of valves of claim 11, wherein fixed through holes (702) for the rotation shaft body (401) to pass through are formed in installation grooves (7), and blind holes (703) for fixing the end of the rotation shaft body (401) are formed in installation grooves (7).
13. 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 liquid outlet (5).
14. 14. A valve as claimed in 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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