CN215110881U

CN215110881U - High-efficient stop valve

Info

Publication number: CN215110881U
Application number: CN202121420252.1U
Authority: CN
Inventors: 李坤
Original assignee: Zhejiang Key Valve Co ltd
Current assignee: Zhejiang Key Valve Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-10
Anticipated expiration: 2031-06-24

Abstract

The application discloses high-efficient stop valve, include valve body, valve gap, valve rod, hand wheel and pressure cap, be provided with the clearance structure on the pressure cap in the valve rod outside, be provided with seal structure between valve body and the valve gap, be provided with auxiliary structure on the hand wheel. Clean debris such as dust on valve rod surface through the sponge, also can be through the mode at the inside emollient that adds of sponge, lubricate the valve rod, avoid valve rod and press between the cap because of the bite leads to rotating inconveniently, the smoothness degree of valve body when rotating has been improved, the valve body of being convenient for is opened and close the operation, and carry on spacingly to the packing ring through the stopper, make the packing ring can stably place, then through closing plate and backing plate cooperation, protect valve body and valve gap junction, effectively avoid the inside external pollution that receives of valve body, avoid the valve body when carrying out the fine setting, because of the great too big inconvenient problem of rotation range that leads to of running torque, the suitability of valve body has been improved.

Description

High-efficient stop valve

Technical Field

The application relates to a stop valve, especially a high-efficient stop valve.

Background

The stop valve is one of the most important cut-off valves, and the closing principle of the stop valve is that the valve rod pressure is relied on to make the valve clack sealing surface and the valve seat sealing surface tightly attached to prevent medium from flowing through.

When the stop valve is opening and close, it is direct to drive the valve rod through the hand wheel and rotate to drive the valve clack and remove and adjust or be closed flow, because the valve rod of stop valve also can remove thereupon when rotating, consequently valve rod and pressure can relative movement between the cap, but when exposing the valve rod in the outside for a long time, the surface is comparatively dry and can fall down debris such as certain dust, and do not possess the clearance structure on the current pressure cap, lead to the valve rod to bring debris into the pressure cap when removing easily, cause the valve rod to rotate the time bite easily. Therefore, a high-efficiency stop valve is provided for solving the problems.

Disclosure of Invention

The high-efficient stop valve that provides in this embodiment is arranged in solving among the prior art valve rod and brings into debris such as dust easily and press the cap to lead to its problem of rotating the jam.

According to one aspect of the application, the efficient stop valve comprises a valve body, a valve cover, a valve rod, a hand wheel and a pressing cap, wherein a cleaning structure is arranged on the pressing cap on the outer side of the valve rod, a sealing structure is arranged between the valve body and the valve cover, and an auxiliary structure is arranged on the hand wheel;

the clearance structure includes the sponge, valve rod side symmetry is provided with the backup pad, and the backup pad is close to one side of valve rod and all has glued the sponge, the backup pad both ends all are fixed with the bracing piece, the cover is equipped with the gag lever post on the bracing piece, and the gag lever post bottom all fixes on pressing the cap, the laminating of bracing piece bottom has the movable plate, the movable plate bottom height has the carriage release lever, and the carriage release lever with press the inside sliding connection in cap top, the carriage release lever bottom with press all the symmetry to be fixed with first spring between the cap inside.

Further, the sealing structure comprises a gasket, the top end of the valve body and the bottom end of the valve cover are clamped with gaskets, each gasket is symmetrically clamped with limiting blocks on two sides, the limiting blocks are fixed inside the valve body and the valve cover respectively, a sealing plate is fixed to the bottom end of the outer surface of the valve cover, a base plate is fixed to the valve body at the bottom end of the sealing plate, and a sealing rubber sheet is glued to the base plate.

Further, the auxiliary structure includes a support loop bar, the hand wheel side is fixed with the support loop bar, and supports the inside removal screw rod that is connected with through the thread groove of loop bar, the one end that removes the screw rod and extend to the support loop bar outside is fixed with the holding rod.

Further, the valve body and the valve cover are both provided with gasket matched placing grooves, and the gasket is both provided with arc-shaped grooves matched with the limiting blocks.

Further, the diameter of the inner ring of the gasket in the valve body is larger than that of the outer ring of the gasket in the valve cover.

Furthermore, the top end of the pressure cap is provided with a U-shaped groove matched with the moving rod, and the diameters of the inner rings of the sponge are equal to the diameter of the outer ring of the valve rod.

Further, backup pad and sponge all set up to with valve rod complex arc, the gag lever post sets up to with backup pad complex arc, the gag lever post all sets up to "J" shape of invering.

Furthermore, the front and back the pressure cap top of backup pad side all is fixed with the limiting plate, and the limiting plate all sets up to arc with backup pad complex, the arc length of limiting plate all is less than the half of backup pad arc length.

Further, the height from the movable plate to the top end of the pressing cap is larger than the height from the bottom end of the side edge of the limiting rod to the top end of the pressing cap, and the length of the movable plate is larger than that of the limiting rod

Furthermore, the movable screw rods are arranged in a transverse T shape, and a rubber pad is glued on the outer surface of the holding rod.

Through the above-mentioned embodiment of this application, but adopted the detachable fraction clearance structure, through the mode of sponge and valve rod surface laminating for the valve rod contacts with the sponge each other when removing, thereby lubricate and clear up the valve rod through the sponge, has solved the valve rod in the current stop valve and has brought into debris such as dust easily and press the cap to lead to its problem of rotating the bite, has improved the convenience when valve body regulation operation.

Drawings

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

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic top view cross-section of a portion of an embodiment of the present application;

FIG. 3 is a schematic sectional front view of a portion of an embodiment of the present application;

FIG. 4 is a schematic side cross-sectional view of a portion of one embodiment of the present application;

FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to an embodiment of the present application;

fig. 6 is an enlarged schematic view of a structure at B in fig. 3 according to an embodiment of the present application.

In the figure: 1. the valve comprises a valve body, 2, a valve cover, 3, a valve rod, 4, a hand wheel, 5, a pressing cap, 6, a supporting plate, 7, sponge, 8, a limiting plate, 9, a supporting rod, 10, a limiting rod, 11, a moving plate, 12, a moving rod, 13, a first spring, 14, a gasket, 15, a limiting block, 16, a sealing plate, 17, a backing plate, 18, a sealing rubber sheet, 19, a supporting sleeve rod, 20, a moving screw rod, 21 and a holding rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The stop valve in the present embodiment may be applied to a precision valve stem, for example, the present embodiment provides a precision valve stem for a stop valve of an air conditioner, and the stop valve in the present embodiment may be applied to a precision valve stem for a stop valve.

The valve rod comprises a valve rod body, wherein a first groove is formed in the outer surface of the valve rod body, a second groove is formed in the outer surface of the valve rod body, two groups of sliding rings are fixedly connected to the outer surface of the valve rod body, each sliding ring is located above the first groove, a pressing ring is arranged inside the second groove, a rubber pad is arranged inside the second groove, the upper surface of the rubber pad is fixedly connected with the bottom surface of the pressing ring, two groups of sliding rods are fixedly connected to the upper surface of the pressing ring, the top ends of the two groups of sliding rods respectively penetrate through the two groups of sliding rings and extend to the upper parts of the two groups of sliding rings, a top ring is arranged above the valve rod body, a connecting rod is fixedly connected to the outer surface of each sliding rod, one end, away from the sliding rod, of each connecting rod is fixedly connected with the outer surface of the top ring, a connecting ring is fixedly connected to the outer surface of the valve rod body, external threads are formed in the outer surface of the connecting ring, the connecting ring is located below the rubber pad, and a cushion pad is arranged above the valve rod body, the bottom surface of blotter and the last fixed surface of valve rod body are connected, can cushion the apical ring through the blotter, avoid apical ring and valve rod body to bump.

Of course this embodiment can be used with other valve stems. The description is omitted, and the stop valve of the embodiment of the application is described below.

Referring to fig. 1-6, a high-efficiency stop valve comprises a valve body 1, a valve cover 2, a valve rod 3, a hand wheel 4 and a pressing cap 5, wherein a cleaning structure is arranged on the pressing cap 5 outside the valve rod 3, a sealing structure is arranged between the valve body 1 and the valve cover 2, and an auxiliary structure is arranged on the hand wheel 4;

the clearance structure includes

sponge

7, 3 side symmetries of valve rod are provided with backup pad 6, and backup pad 6 is close to one side of valve rod 3 and all is glued sponge 7, backup pad 6 both ends all are fixed with bracing piece 9, the cover is equipped with gag lever post 10 on the bracing piece 9, and the gag lever post 10 bottom is all fixed on pressing cap 5, the laminating of bracing piece 9 bottom has

movable plate

11, 11 bottom of movable plate highly have carriage release lever 12, and carriage release lever 12 and the inside sliding connection in 5 tops of pressing cap, carriage release lever 12 bottom and pressing cap 5 are inside all the symmetry be fixed with first spring 13, lubricate and clear up valve rod 3 surface through sponge 7, avoid valve rod 3 to bring debris into when removing and press cap 5 inside, guarantee the smoothness degree that valve rod 3 rotated and removed, thereby make hand wheel 4 more high-speed and high-efficiency when rotating the regulation, make valve body 1 more convenient laborsaving when the operation.

The sealing structure comprises gaskets 14, the gaskets 14 are clamped at the top end of the valve body 1 and the bottom end of the valve cover 2, limiting blocks 15 are symmetrically clamped at two sides of each gasket 14, the limiting blocks 15 are respectively fixed inside the valve body 1 and the valve cover 2, a sealing plate 16 is fixed at the bottom end of the outer surface of the valve cover 2, a backing plate 17 is fixed on the valve body 1 at the bottom end of the sealing plate 16, a sealing rubber sheet 18 is glued on the backing plate 17, the sealing performance of the valve body 1 and the valve cover 2 in connection is improved through the staggered matching of the two gaskets 14, the joint of the valve body 1 and the valve cover 2 is protected through the matching of the sealing plate 16 and the backing plate 17, and external impurities are prevented from entering the inside of the valve body 1 to cause pollution; the auxiliary structure comprises a support sleeve rod 19, the side edge of the hand wheel 4 is fixedly provided with the support sleeve rod 19, the interior of the support sleeve rod 19 is connected with a moving screw rod 20 through a thread groove, one end of the moving screw rod 20 extending to the outer side of the support sleeve rod 19 is fixedly provided with a holding rod 21, the support sleeve rod 19 is matched with the moving screw rod 20, the distance between the holding rod 21 and the hand wheel 4 can be conveniently adjusted, when the holding rod 21 is closer to the hand wheel 4, the hand wheel 4 can conveniently rotate in a small range, when the holding rod 21 is farther from the hand wheel 4, the hand wheel 4 can conveniently rotate quickly, and therefore the valve body 1 can be conveniently adjusted or closed;

placing grooves matched with the gaskets 14 are formed in the valve body 1 and the valve cover 2, arc-shaped grooves matched with the limiting blocks 15 are formed in the gaskets 14, the gaskets 14 can be conveniently clamped into the valve body 1 and the valve cover 2, the gaskets 14 can be stably placed after being installed, and the gaskets 14 can be conveniently replaced by clamping the gaskets 14 with the limiting blocks 15; the diameter of the inner ring of the gasket 14 in the valve body 1 is larger than that of the outer ring of the gasket 14 in the valve cover 2, so that the gaskets 14 are conveniently arranged on the same plane in a sleeved mode, and the sealing performance of the joint of the valve body 1 and the valve cover 2 is improved; the top end of the pressure cap 5 is provided with a U-shaped groove matched with the moving rod 12, and the diameters of the inner rings of the sponge 7 are all equal to the diameter of the outer ring of the valve rod 3, so that the sponge 7 is attached to the valve rod 3, and the influence on the rotation of the valve rod 3 caused by large friction between the sponge 7 and the valve rod 3 is avoided; the supporting plate 6 and the sponge 7 are both arranged into an arc shape matched with the valve rod 3, the limiting rod 10 is arranged into an arc shape matched with the supporting plate 6, and the limiting rods 10 are both arranged into inverted J shapes, so that the sponge 7 and the valve rod 3 can be better attached, and the supporting rod 9 is limited by the limiting rods 10 conveniently; the limiting plates 8 are fixed at the top ends of the pressing caps 5 on the side edges of the front supporting plate 6 and the rear supporting plate 6, the limiting plates 8 are all arranged to be arc-shaped and matched with the supporting plates 6, the arc lengths of the limiting plates 8 are all smaller than one half of the arc length of the supporting plates 6, and the supporting plates 6 are guided and limited through the limiting plates 8, so that the supporting plates 6 are placed more stably when in use; the height from the movable plate 11 to the top end of the pressing cap 5 is larger than the height from the side bottom end of the limiting rod 10 to the top end of the pressing cap 5, the length of the movable plate 11 is larger than the length of the limiting rod 10, and the supporting rod 9 can be pressed to the position below the bent end of the movable plate 11 after the movable plate 11 is pressed to the top end of the pressing cap 5, so that the supporting rod 9 can be rotated and moved out of the limiting rod 10, and the sponge 7 is convenient to disassemble, clean and replace; the movable screw rods 20 are all arranged in a transverse T shape, and rubber pads are glued on the outer surface of the holding rod 21, so that the movable screw rods 20 are prevented from being separated from the supporting sleeve rod 19, and the holding rod 21 is more comfortable to hold.

When the utility model is used, when the hand wheel 4 needs to be rotated, the holding rod 21 is held, the holding rod 21 drives the moving screw 20 to rotate in the supporting sleeve rod 19, the holding rod 21 moves towards the side edge under the matching of the threads, the distance between the holding rod 21 and the hand wheel 4 can be adjusted according to the rotating speed requirement, after the adjustment is completed, the holding rod 21 is held, the hand wheel 4 is driven to rotate by the moving screw 20 and the supporting sleeve rod 19, the valve rod 3 can be driven to rotate and move in the valve body 1 by the hand wheel 4, the valve body 1 is convenient to open and close, the valve rod 3 rubs with the sponge 7 when rotating, the valve cover 2 can be cleaned by the sponge 7, the valve rod 3 can be conveniently lubricated by oiling through the sponge 7, after the sponge 7 is used for a long time, the supporting rod 9 is pressed, the moving rod 12 is driven by the moving plate 11 to compress the first spring 13 to move towards the interior of the pressing cap 5, namely, the thrust of the movable plate 11 to the support rod 9 can be relieved, when the support rod 9 moves to the limit relief of the limit rod 10, the support rod 9 is rotated out from the inside of the limit rod 10, the fixation between the two support plates 6 and the pressing cap 5 can be relieved, the support plates 6 can be directly taken out from the side edge of the valve rod 3, then the new sponge 7 is attached and placed at the side edge of the valve rod 3, the movable plate 11 is pressed and the support rod 9 is rotated, the support rod 9 is rotated to the inside of the limit rod 10 at the top end of the movable plate 11, then the movable plate 11 is loosened, the movable plate 11 pushes the support rod 9 to abut against the top end inside the limit rod 10 under the pushing of the first spring 13, the support plates 6 can be fixed at the side edge of the valve rod 3, when the valve body 1 and the valve cover 2 are installed, the gasket 14 is firstly clamped and installed inside the placing grooves of the valve body 1 and the valve cover 2, and the limiting block 15 is clamped with the arc-shaped groove inside the gasket 14, the gasket 14 can be respectively fixed inside the valve body 1 and the valve cover 2, and the valve cover 2 is screwed, so that the valve cover 2 is fixedly connected with the valve body 1, and the sealing plate 16 is driven to abut against the backing plate 17.

The application has the advantages that:

1. the valve rod 3 is lubricated by wiping up impurities such as dust on the surface of the valve rod 3 through the sponge 7 and adding the lubricant into the sponge 7, so that inconvenience in rotation caused by jamming between the valve rod 3 and the pressing cap 5 is avoided, the smoothness of the valve body 1 during rotation is improved, and the valve body 1 is convenient to open and close;

2. the sealing structure is reasonable, the sealing performance of the joint of the valve body 1 and the valve cover 2 is improved through the sleeving and matching of the two gaskets 14, the gaskets 14 are limited through the limiting blocks 15, the gaskets 14 can be stably placed, and then the joint of the valve body 1 and the valve cover 2 is protected through the matching of the sealing plate 16 and the backing plate 17, so that the internal part of the valve body 1 is effectively prevented from being polluted;

3. this application is rational in infrastructure, through supporting loop bar 19 and the cooperation of removal screw 20, adjusts the length between holding rod 21 and the hand wheel 4, can adjust the laborsaving degree when hand wheel 4 rotates, avoids valve body 1 when carrying out the detailed fine setting, because of the great too big inconvenient problem of regulation of rotation range that leads to of turning moment, has improved valve body 1's suitability.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An efficient stop valve, its characterized in that: the valve comprises a valve body (1), a valve cover (2), a valve rod (3), a hand wheel (4) and a pressing cap (5), wherein a cleaning structure is arranged on the pressing cap (5) on the outer side of the valve rod (3), a sealing structure is arranged between the valve body (1) and the valve cover (2), and an auxiliary structure is arranged on the hand wheel (4);

the cleaning structure comprises sponge (7), wherein support plates (6) are symmetrically arranged on the side edges of the valve rods (3), the sponge (7) are glued on one sides, close to the valve rods (3), of the support plates (6), support rods (9) are fixed at the two ends of the support plates (6), limiting rods (10) are sleeved on the support rods (9), the bottom ends of the limiting rods (10) are fixed on the pressure caps (5), movable plates (11) are attached to the bottom ends of the support rods (9), movable plates (12) are highly arranged at the bottom ends of the movable plates (11), the movable rods (12) are connected with the pressure caps (5) in an internal sliding mode, and first springs (13) are symmetrically fixed between the bottom ends of the movable rods (12) and the interior of the pressure caps (5).

2. A high efficiency stop valve as defined in claim 1, wherein: the sealing structure comprises a gasket (14), the top end of the valve body (1) and the bottom end of the valve cover (2) are clamped with the gasket (14) and each of the two sides of the gasket (14) is symmetrically clamped with a limiting block (15), the limiting blocks (15) are fixed inside the valve body (1) and the valve cover (2) respectively, a sealing plate (16) is fixed to the bottom end of the outer surface of the valve cover (2), a backing plate (17) is fixed to the valve body (1) at the bottom end of the sealing plate (16), and a sealing rubber sheet (18) is glued to the backing plate (17).

3. A high efficiency stop valve as defined in claim 1, wherein: the auxiliary structure includes support loop bar (19), hand wheel (4) side is fixed with support loop bar (19), and supports loop bar (19) inside and be connected with removal screw rod (20) through the thread groove, the one end that removes screw rod (20) and extend to support loop bar (19) the outside is fixed with holding rod (21).

4. A high efficiency stop valve as defined in claim 2, wherein: the valve body (1) and the valve cover (2) are internally provided with placing grooves matched with the gaskets (14), and the gaskets (14) are internally provided with arc-shaped grooves matched with the limiting blocks (15).

5. A high efficiency stop valve as defined in claim 2, wherein: the diameter of the inner ring of the gasket (14) in the valve body (1) is larger than that of the outer ring of the gasket (14) in the valve cover (2).

6. A high efficiency stop valve as defined in claim 1, wherein: the top end of the pressure cap (5) is provided with a U-shaped groove matched with the moving rod (12), and the diameters of the inner rings of the sponge (7) are all equal to the diameter of the outer ring of the valve rod (3).

7. A high efficiency stop valve as defined in claim 1, wherein: backup pad (6) and sponge (7) all set up to the arc with valve rod (3) complex, gag lever post (10) set up to the arc with backup pad (6) complex, gag lever post (10) all set up to "J" shape of invering.

8. A high efficiency stop valve as defined in claim 1, wherein: front and back pressure cap (5) top of backup pad (6) side all is fixed with limiting plate (8), and limiting plate (8) all set up to with backup pad (6) complex arc, the arc length of limiting plate (8) all is less than the half of backup pad (6) arc length.

9. A high efficiency stop valve as defined in claim 1, wherein: the height from the movable plate (11) to the top end of the pressing cap (5) is larger than the height from the bottom end of the side edge of the limiting rod (10) to the top end of the pressing cap (5), and the length of the movable plate (11) is larger than the length of the limiting rod (10).

10. A high efficiency stop valve as defined in claim 3, wherein: the movable screw rods (20) are all arranged in a transverse T shape, and rubber pads are glued on the outer surface of the holding rod (21).