CN207935543U - Valve gate - Google Patents

Valve gate Download PDF

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Publication number
CN207935543U
CN207935543U CN201820174098.6U CN201820174098U CN207935543U CN 207935543 U CN207935543 U CN 207935543U CN 201820174098 U CN201820174098 U CN 201820174098U CN 207935543 U CN207935543 U CN 207935543U
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China
Prior art keywords
valve rod
valve
fixed
handwheel
bearing
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Application number
CN201820174098.6U
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Chinese (zh)
Inventor
唐兴波
喻泽汉
王晓东
傅适
侯开红
叶华伦
岳挚坚
蒋吉强
张云光
刘超
李泳锡
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN201820174098.6U priority Critical patent/CN207935543U/en
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Abstract

The disclosure relates to a valve, and belongs to the technical field of valve accessories. The valve includes valve body, bearing, rotator, valve rod and valve rod protective sheath, wherein: the valve rod is arranged in the valve body; the lower end of the outer ring of the bearing is fixed with the valve body, and the upper end of the inner ring of the bearing is fixed with the rotating body; the rotating body is connected with the valve rod through threads; the valve rod protective sleeve is sleeved on the valve rod and fixed above the rotating body, and the length of the valve rod protective sleeve is greater than or equal to the length of the valve rod when the valve rod moves upwards to the maximum distance; and a protective cover is arranged at one end of the valve rod protective sleeve, which is far away from the rotating body. Adopt this disclosure, the cover is equipped with the valve rod protective sheath on the valve rod and makes the valve rod isolated with external environment to can avoid rainwater, dust etc. to get into in the external screw thread of valve rod, can avoid the valve rod to take place to corrode, avoid impurity cards such as dust in the environment in the external screw thread of valve rod, and then can protect valve rod normal use.

Description

Valve
Technical field
The disclosure is directed to valve fittings technical fields, especially with respect to a kind of valve.
Background technology
Valve is a kind of common equipment of chemical field, it is commonly used in the duct, can block or connect in pipeline Medium such as oil etc., the flow of pipeline intermediary matter can also be adjusted.
Common valve generally includes valve body, handwheel and valve rod, wherein handwheel is mounted on by bearing on valve body, handwheel It is connected through a screw thread with valve rod, one end of valve rod is exposed in an atmosphere, and the other end is located at the inside of valve body, is located at valve inner The end of valve rod is equipped with spool.When technical staff's rotation hand wheel, valve rod can move upward or downward under the action of screw thread It is dynamic, and then valve rod band movable valve plug moves up or down, and the medium in pipeline is made to connect or block.
During realizing the disclosure, inventor has found to have at least the following problems:
One end of valve rod in the valve of above structure usually it is exposed in an atmosphere, and the humidity of environment where valve compared with Greatly, and in air acid medium is also carried, valve rod is easy to happen rust corrosion, causes handwheel stuck and then influences the normal of valve It uses.
Utility model content
In order to overcome the problems, such as present in the relevant technologies, present disclose provides a kind of valves.The technical solution is as follows:
According to the embodiment of the present disclosure, a kind of valve is provided, the valve includes valve body, bearing, rotary body, valve rod and valve rod Protective case, wherein:
The valve rod is mounted in the valve body;
The lower end of the outer ring of the bearing is mutually fixed with the valve body, the upper end of the inner ring of the bearing and the rotary body It is mutually fixed;
The rotary body is connected through a screw thread with the valve rod;
The valve rod protecting jacket is set on the valve rod, and is fixed on the top of the rotary body, the valve rod protection The length of set is more than or equal to the length when valve rod is moved upwards up to maximum distance;
The one end of the valve rod protecting jacket far from the rotary body is provided with protection cap.
Optionally, the rotary body is handwheel;
The center of the handwheel is provided with the circular through hole to match with the valve rod;
The outer wall of the valve rod is provided with external screw thread, and the inner wall of the circular through hole is provided with the external screw thread with the valve rod Matched internal thread, the handwheel are connected through a screw thread with the valve rod;
The lower end of the outer ring of the bearing is mutually fixed with the valve body, the upper end of the inner ring of the bearing and the handwheel phase It is fixed;
The valve rod protecting jacket is fixed on the handwheel.
Optionally, the rotary body includes handwheel and rotating nuts;
The handwheel is provided centrally with through-hole, the shape phase of the cross sectional shape of the through-hole and the rotating nuts Match, the rotating nuts are located in the through-hole;
The outer wall of the valve rod is provided with and the matched external screw thread of the internal thread of the rotating nuts, the rotating nuts It is connected through a screw thread with the valve rod;
The lower end of the outer ring of the bearing is mutually fixed with the valve body, the upper end of the inner ring of the bearing and the rotation spiral shell Parent phase is fixed.
Optionally, clamp nut is installed, the lower end of the clamp nut is fixed on the rotation above the handwheel On nut;
The valve rod protecting jacket is fixed on the clamp nut.
Optionally, the upper end of the clamp nut is provided with annular rim;
The valve rod protecting jacket interference is mounted in the annular rim of the clamp nut.
Optionally, the diameter of the annular rim is equal to or less than the diameter of the valve rod protecting jacket.
Optionally, the material of the valve rod protecting jacket is transparent material.
The technical scheme provided by this disclosed embodiment can include the following benefits:
In the embodiment of the present disclosure, the part that the valve rod in valve is located above rotary body is equipped with valve rod protecting jacket, valve rod Protective case makes valve rod and external environment completely cut off, can be to avoid so as to avoid rainwater, dust etc. from entering in the external screw thread of valve rod Valve rod corrodes, and the powder impurity such as dust in environment can also be avoided to be stuck in the external screw thread of valve rod.As it can be seen that the present embodiment In valve rod on be arranged with valve rod protecting jacket and can protect valve rod, so that valve rod is can be used normally.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure Example, and together with specification for explaining the principles of this disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram according to a kind of valve for implementing to exemplify;
Fig. 2 is the structural schematic diagram according to a kind of valve for implementing to exemplify;
Fig. 3 is the structural schematic diagram according to a kind of rotary body for implementing to exemplify;
Fig. 4 is the structural schematic diagram according to a kind of valve for implementing to exemplify;
Fig. 5 is the structural schematic diagram according to a kind of valve for implementing to exemplify.
Marginal data
1, valve body 2, bearing
3, rotary body 4, valve rod
5, valve rod protecting jacket 6, clamp nut
31, handwheel 32, rotating nuts
51, protection cap 61, annular rim
311, circular through hole 312, through-hole
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments Those skilled in the art illustrate the concept of the disclosure.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Present embodiment discloses a kind of valve, valve is a kind of common equipment of chemical field, it is commonly used in the duct, It can block or connect medium such as oil in pipeline etc., can also adjust the flow of pipeline intermediary matter.
As shown in Figure 1, valve includes valve body 1, bearing 2, rotary body 3, valve rod 4 and valve rod protecting jacket 5, wherein:Valve rod 4 is pacified In valve body 1;The lower end of the outer ring of bearing 2 is fixed with 1 phase of valve body, and upper end and 3 phase of rotary body of the inner ring of bearing 2 are fixed; Rotary body 3 is connected through a screw thread with valve rod 4;Valve rod protecting jacket 5 is set on valve rod 4, and is fixed on the top of rotary body 3, valve The length of bar protective case 5 is more than or equal to length when valve rod 4 is moved upwards up to maximum distance;Valve rod protecting jacket 5 is far from rotation One end of swivel 3 is provided with protection cap 51.
Wherein, valve body 1 that is to say the main part of valve.Valve rod 4, which is a kind of outer wall, has externally threaded rod-like structure, leads to Be frequently located in the end inside valve body 1 and be additionally provided with spool so that when valve rod 4 moves up, with spool upwards or Person moves down, and then can adjust the aperture of valve, to adjust the flow of medium in pipeline.
Rotary body 3 is a kind of component or element that can be rotated in the plane perpendicular to valve rod 4.
Valve rod protecting jacket 5 is that one kind is sleeved on valve rod 4, the protective case for protecting valve rod 4.
In force, bearing 2 generally includes outer ring and inner ring, ball to be equipped between outer ring and inner ring so that bearing 2 It can relatively rotate between outer ring and inner ring.Rotary body 3 is connected with valve body 1 by bearing 2, and the position relationship of three can To be, valve body 1 is in lower section, and for bearing 2 between valve body 1 and rotary body 3, specific installation relation can be that the outer ring of bearing 2 is fixed On valve body 1, rotary body 3 is fixed on the inner ring of bearing 2, so that rotary body 3 can be rotated relative to valve body 1.
Rotary body 3 is connected through a screw thread with valve rod 4, and valve rod 4 is perpendicular to 3 place plane of rotary body, due to rotary body 3 It is fixed by bearing 2 and 1 phase of valve body so that rotary body 3 can only rotate, and cannot move up and down, in this way, working as rotary body 3 When rotation, valve rod 4 can be made to move up, and then the aperture of valve can be adjusted.
In practical applications, the valve rod 4 in valve can divide two parts with rotary body 3 for boundary, and upper partial denudation exists In environment, lower part is located in valve body 1.And exposed 4 part of valve rod in the environment is easy to happen corrosion condition, and dust It can enter in the screw thread of valve rod 4, these can all influence the use of valve rod 4.So in order to protect valve rod 4, correspondingly, the present embodiment In, the top of rotary body 3 is additionally provided with valve rod protecting jacket 5, and valve rod protecting jacket 5 is sleeved on the part that valve rod 4 is located at 3 top of rotary body On, for protecting valve rod 4.
Wherein, valve rod protecting jacket 5 is a kind of size and 4 matched tubular structure of valve rod, and the valve rod of tubular structure One end of protective case 5 is opening, and in order to be sleeved on valve rod 4, the other end has protection cap 51.
Valve rod protecting jacket 5 can be fixed on the top of rotary body 3, and can together be rotated with rotary body 3, but also not It can move up and down, that is to say with valve rod 4, when rotating bodies 3, end of the valve rod 4 far from rotary body can be protected in valve rod It is moved up and down in sheath 5.In order to allow valve rod 4 fully to be moved up and down in valve rod protecting jacket 5, correspondingly, valve rod protecting jacket 5 Length need the maximum distance that equal to or slightly larger than valve rod 4 moves up, that is to say, the length of valve rod protecting jacket 5 is equal to Or the maximum distance slightly larger than valve rod 4 end far from rotary body 3 and rotary body 3.Can make so entire valve rod 4 all with Environment is isolated, and so as to avoid rainwater, dust etc. from entering in the external screw thread of valve rod 4, in turn, can be occurred to avoid valve rod 4 Corrosion, can also avoid the dust in environment from being stuck in the external screw thread of valve rod 4, to be arranged on the valve rod 4 in the present embodiment Valve rod protecting jacket 5 can be effectively protected valve rod 4 so that valve rod 4 can be used normally.
In addition, in the present embodiment, valve rod protecting jacket 5 is arranged on the outer wall of valve rod 4 can also avoid valve rod 4 by foreign object Collision so that valve rod 4 is deformed, influence the normal use of valve rod 4.Therefore, above-mentioned valve rod protecting jacket 5 makes valve rod 4 and extraneous ring Border is isolated, thus it is possible, on the one hand, the liquid such as rainwater, which cannot enter in valve rod 4, corrodes valve rod, on the other hand, the powder such as dust, dust Last impurity cannot be into stuck valve rod 4 in the screw thread of valve rod 4, moreover, valve rod protecting jacket 5 can also avoid foreign object direct collision from arriving On valve rod 4, make valve rod that bending etc. occur.As it can be seen that valve rod protecting jacket 5 can protect valve rod 4 so that valve rod 4 can be just It is often used, and then the service life of valve can be extended.
Optionally, the material of above-mentioned valve rod protecting jacket 5 can be transparent, such as can be transparent organic glass etc..
In force, due to valve rod 4 move distance and valve aperture have certain relationship, for example, when valve rod 4 to When upper mobile, the aperture of valve increases, and the distance that valve rod 4 moves up is bigger, and the aperture of valve is bigger, medium in pipeline Flow is bigger;When valve rod 4 moves down, the aperture of valve reduces, and the distance that valve rod 4 moves down is bigger, and valve is opened Spend smaller, the flow of medium is smaller in pipeline.In this way, technical staff can effectively be controlled by controlling the displacement distance of valve rod 4 The aperture of valve processed.And the material of valve rod protecting jacket 5 is transparent, in order to technical staff it can directly be seen that the shifting of valve rod 4 Emotionally condition, and then the aperture of technical staff's control valve can be facilitated.
Optionally, technical staff can smear lubricating grease before installing valve rod protecting jacket 5 on valve rod 4, so that technology For personnel during rotating bodies 3, valve rod 4 can be than more smoothly moving up, and is applied on valve rod 4 Valve rod 4 can also be protected by smearing lubricating grease.
Optionally, can be a kind of component or element that can be rotated about rotary body 3, then the knot of rotary body 3 Structure can be arbitrarily arranged, as long as can meet in the plane internal rotation perpendicular to valve rod 4, valve rod 4 be made to can move up and down, under Introduce two kinds of structure types of rotary body 3 in face:
A kind of frame mode of rotary body 3:
Rotary body 3 can be handwheel 31, as shown in Fig. 2, the center of handwheel 31 is provided with the circle to match with valve rod 4 Shape through-hole 311;The outer wall of valve rod 4 is provided with external screw thread, and the inner wall of circular through hole 311 is provided with to match with the external screw thread of valve rod 4 The internal thread of conjunction, handwheel 31 are connected through a screw thread with valve rod 4;The lower end of the outer ring of bearing 2 is fixed with 1 phase of valve body, bearing 2 it is interior The upper end of circle is fixed with 31 phase of handwheel;Valve rod protecting jacket 5 is fixed on handwheel 31.The rotary body 3 of this structure, parts are few, It is simple in structure, facilitate installation.
Another frame mode of rotary body 3:
As shown in figure 3, Fig. 3 be vertical view, rotary body 3 include handwheel 31 and rotating nuts 32, handwheel 31 it is centrally disposed There are through-hole 312, the cross sectional shape and the shape of rotating nuts 32 of through-hole 312 to match, rotating nuts 32 are located in through-hole 312; The outer wall of valve rod 4 is provided with passes through screw thread with the matched external screw thread of the internal thread of rotating nuts 32, rotating nuts 32 with valve rod 4 Connection;The lower end of the outer ring of bearing 2 is fixed with 1 phase of valve body, and upper end and 32 phase of rotating nuts of the inner ring of bearing 2 are fixed.
In force, rotating nuts 32 are fixed by bearing 2 and 1 phase of valve body, specifically, the outer ring of bearing 2 is fixed on valve On body 1, rotating nuts 32 are fixed on the inner ring of bearing 2.Wherein, rotating nuts 32 can be hex nut, correspondingly, through-hole 312 cross sectional shape can be sleeved on rotating nuts 32 by through-hole 312 with 32 matched hexagon of rotating nuts, handwheel 31 Outside, that is to say, rotating nuts 32 embedded in handwheel 31 through-hole 312 in.The inner wall of rotating nuts 32 has outer with valve rod 4 The matched internal thread of screw thread, rotating nuts 32 are connected through a screw thread with valve rod 4.In this way, when technical staff rotates handwheel 31, Handwheel 31 can drive rotating nuts 32 to be rotated, and since rotating nuts 32 are fixed by bearing 2 and 1 phase of valve body, rotate spiral shell Mother 32 is connected through a screw thread with valve rod 4 so that valve rod 4 can move up under the action of screw thread.
Wherein, since there is rotating nuts 32 certain wall thickness, valve rod protecting jacket 5 can be directly anchored to rotating nuts 32 On, certainly, valve rod protecting jacket 5 can also be fixed on handwheel 31.
In the case that rotary body 3 includes handwheel 31 and rotating nuts 32, handwheel 31 is by being matched with rotating nuts 32 Through-hole 312 be sleeved on the outer wall of rotating nuts 32 so that handwheel 31 is unstable, it may appear that along the situation that screw rod 4 moves, For pressing handwheel 31, corresponding structure can be, as shown in figure 4, the top of handwheel 31 is equipped with clamp nut 6, clamp nut 6 Lower end be fixed in rotating nuts 32;Valve rod protecting jacket 5 is fixed on clamp nut 6.
In practical applications, handwheel 31 is sleeved on the outer wall of rotating nuts 32 by through-hole 312 and then incited somebody to action by technical staff Clamp nut 6 is fixed in rotating nuts 32.Wherein, clamp nut 6 is the limiting component of handwheel 31, can limit handwheel 31 to Upper movement, and then stability of the handwheel 31 in rotary course can be improved.And for valve rod protecting jacket 5, due to clamp nut 6 It with certain wall thickness, can be directly anchored on the side wall of clamp nut 6, valve rod protecting jacket 5 may be also secured at handwheel 31 On, it can also realize the fixed relationship between valve rod protecting jacket 5 and clamp nut 6 by the structural relation of setting clamp nut 6, It accordingly can be as follows:
As shown in figure 4, the upper end of clamp nut 6 is provided with annular rim 61;5 interference of valve rod protecting jacket, which is mounted on, compresses spiral shell In the annular rim 61 of mother 6.
In force, as shown in figure 4, one end of clamp nut 6 can be provided with annular rim 61, wherein annular rim 61 diameter can be equal to or the diameter of slightly less than valve rod protecting jacket 5, in this way, as shown in figure 5, valve rod protecting jacket 5 can be with Interference is mounted in the annular rim 61 of clamp nut 6.Technical staff, can be in ring during installing valve rod protecting jacket 5 Lubricating grease is smeared on shape chimb 61, so as to 5 interference of valve rod protecting jacket is mounted on the outer wall of annular rim 61.
In the embodiment of the present disclosure, the part that the valve rod in valve is located above rotary body is equipped with valve rod protecting jacket so that Valve rod is isolated with external environment, in turn, can be to avoid so as to avoid rainwater, dust etc. from entering in the external screw thread of valve rod Valve rod corrodes, and the powder impurity such as dust in environment can also be avoided to be stuck in the external screw thread of valve rod.As it can be seen that the present embodiment In valve rod on be arranged with valve rod protecting jacket and can be effectively protected valve rod so that valve rod can be used normally.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by above Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.

Claims (7)

1. a kind of valve, which is characterized in that the valve includes valve body, bearing, rotary body, valve rod and valve rod protecting jacket, wherein:
The valve rod is mounted in the valve body;
The lower end of the outer ring of the bearing is mutually fixed with the valve body, and the upper end of the inner ring of the bearing is mutually solid with the rotary body It is fixed;
The rotary body is connected through a screw thread with the valve rod;
The valve rod protecting jacket is set on the valve rod, and is fixed on the top of the rotary body, the valve rod protecting jacket Length is more than or equal to the length when valve rod is moved upwards up to maximum distance;
The one end of the valve rod protecting jacket far from the rotary body is provided with protection cap.
2. valve according to claim 1, which is characterized in that the rotary body is handwheel;
The center of the handwheel is provided with the circular through hole to match with the valve rod;
The outer wall of the valve rod is provided with external screw thread, and the inner wall of the circular through hole is provided with to match with the external screw thread of the valve rod The internal thread of conjunction, the handwheel are connected through a screw thread with the valve rod;
The lower end of the outer ring of the bearing is mutually fixed with the valve body, and the upper end of the inner ring of the bearing is mutually solid with the handwheel It is fixed;
The valve rod protecting jacket is fixed on the handwheel.
3. valve according to claim 1, which is characterized in that the rotary body includes handwheel and rotating nuts;
The handwheel is provided centrally with through-hole, and the cross sectional shape of the through-hole and the shape of the rotating nuts match, institute Rotating nuts are stated to be located in the through-hole;
The outer wall of the valve rod is provided with and the matched external screw thread of the internal thread of the rotating nuts, the rotating nuts and institute Valve rod is stated to be connected through a screw thread;
The lower end of the outer ring of the bearing is mutually fixed with the valve body, the upper end of the inner ring of the bearing and the rotating nuts phase It is fixed.
4. valve according to claim 3, which is characterized in that be equipped with clamp nut, the pressure above the handwheel The lower end of tight nut is fixed in the rotating nuts;
The valve rod protecting jacket is fixed on the clamp nut.
5. valve according to claim 4, which is characterized in that the upper end of the clamp nut is provided with annular rim;
The valve rod protecting jacket interference is mounted in the annular rim of the clamp nut.
6. valve according to claim 5, which is characterized in that the diameter of the annular rim is equal to or less than the valve The diameter of bar protective case.
7. according to claim 1-6 any one of them valves, which is characterized in that the material of the valve rod protecting jacket is transparent material Matter.
CN201820174098.6U 2018-01-31 2018-01-31 Valve gate Active CN207935543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820174098.6U CN207935543U (en) 2018-01-31 2018-01-31 Valve gate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820174098.6U CN207935543U (en) 2018-01-31 2018-01-31 Valve gate

Publications (1)

Publication Number Publication Date
CN207935543U true CN207935543U (en) 2018-10-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820174098.6U Active CN207935543U (en) 2018-01-31 2018-01-31 Valve gate

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323059A (en) * 2018-11-20 2019-02-12 南通爱慕希机械股份有限公司 A kind of accurate high-pressure pipe connector of mechanical equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323059A (en) * 2018-11-20 2019-02-12 南通爱慕希机械股份有限公司 A kind of accurate high-pressure pipe connector of mechanical equipment

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