CN111998105A - Combined valve with low maintenance cost - Google Patents

Combined valve with low maintenance cost Download PDF

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Publication number
CN111998105A
CN111998105A CN202010975647.1A CN202010975647A CN111998105A CN 111998105 A CN111998105 A CN 111998105A CN 202010975647 A CN202010975647 A CN 202010975647A CN 111998105 A CN111998105 A CN 111998105A
Authority
CN
China
Prior art keywords
fixedly connected
valve
valve body
maintenance cost
low maintenance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010975647.1A
Other languages
Chinese (zh)
Inventor
赵学强
刘明军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Jiangheng Valves Co ltd
Original Assignee
Jiangsu Jiangheng Valves Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Jiangheng Valves Co ltd filed Critical Jiangsu Jiangheng Valves Co ltd
Priority to CN202010975647.1A priority Critical patent/CN111998105A/en
Publication of CN111998105A publication Critical patent/CN111998105A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/184—Combined check valves and actuated valves
    • F16K15/1848—Check valves combined with valves having a rotating tap or cock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
    • F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention discloses a combined valve with low maintenance cost, which relates to the technical field of combined valves and comprises a first valve body, wherein a valve ball is arranged at the center of the first valve body, one end inside the first valve body is fixedly connected with a first valve seat, one side of the first valve seat is fixedly connected with a first spring, the other end inside the first valve body is fixedly connected with a second valve seat, the inner side of one end of the first valve body is fixedly connected with a first sealing ring, the outer side of one end of the first valve body is fixedly connected with a second sealing ring, and one end of the first valve body is provided with a first stud. According to the invention, the first spring structure is arranged on one side of the first valve seat, so that the first valve seat, the second valve seat and the valve ball are prevented from being locked due to material deformation under a high-temperature environment, the normal use is not influenced, the third sealing ring structure is arranged on one side of the second valve body, the replacement and maintenance are convenient, the third sealing ring is damaged, only the third valve seat needs to be replaced, and the maintenance cost is lower.

Description

Combined valve with low maintenance cost
Technical Field
The invention relates to the technical field of combined valves, in particular to a combined valve with low maintenance cost.
Background
The combined regulating valves are modular in design, and may be combined into various combined self-operated regulating valves, self-operated pressure-differential pressure combined valves, self-operated flow-temperature combined valves, self-operated flow-pressure combined valves, etc. and may be used in controlling various parameters of non-corrosive liquid, gas and steam medium based on the principle of priority action.
In the Chinese invention patent application number: CN 201920688296.9 discloses a combined valve, which comprises a first flange, a second flange, a left valve body, a third flange, a fourth flange, a right valve body, a left gate, a work box, a connecting plate, a first gear, a ball bearing, a left stop, a right stop, a front connecting shaft, a rear connecting shaft, a second gear, a third gear, a fixed shaft, a rotating rod, an operation plate, a pull rope, a connecting rod, a sliding plate, a supporting rod, a right gate, a fixed plate, a connecting rod, a rotating plate and an inserting rod. Two valves of this combination formula valve form through the flange joint combination, and this kind of structure spare part damages to change inconvenient, and the majority is that whole machine is changed, and the later maintenance cost is higher, is unfavorable for promoting.
Therefore, it is desirable to provide a low maintenance modular valve to solve the above problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to: the invention provides a combined valve with low maintenance cost, which aims to solve the problems that two valves of the combined valve are combined through flange connection, the damage and replacement of parts of the structure are inconvenient, most of the parts are replaced by the whole machine, and the later maintenance cost is high.
(II) technical scheme
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a low maintenance cost's combination formula valve, includes first valve body, the center department of first valve body is equipped with the valve ball, the first disk seat of inside one end fixed connection of first valve body, the first spring of one side fixed connection of first disk seat, the inside other end fixedly connected with second disk seat of first valve body, the inboard first sealing washer of fixedly connected with in one end of first valve body, the one end outside fixedly connected with second sealing washer of first valve body, the one end of first valve body is equipped with first double-screw bolt, the one end fixedly connected with second valve body of first double-screw bolt, the other end fixedly connected with first nut of first double-screw bolt.
Furthermore, a stuffing box is fixedly connected to one side of the top of the first valve body, and screws are fixedly connected to two sides of the stuffing box.
Furthermore, a valve rod is fixedly connected to the center of the stuffing box, a flat bearing is fixedly connected to the inner wall of the bottom of the stuffing box, and a sliding bearing is fixedly connected to the bottom of the inner wall of the stuffing box.
Furthermore, the top of the inner wall of the stuffing box is fixedly connected with a second stuffing, and the bottom of the second stuffing is fixedly connected with a first stuffing.
Furthermore, a packing pressing sleeve is fixedly connected to the top of the packing box, a fourth sealing ring is fixedly connected to one side of the packing box, a packing pressing plate is fixedly connected to one end of the packing pressing sleeve, a second stud is fixedly connected to one side of the packing pressing plate, a second nut is fixedly connected to one end of the second stud, and a butterfly spring is arranged outside one end of the second stud.
Further, one side fixedly connected with supporting seat of second valve body, one side fixedly connected with second spring of supporting seat, the one end fixedly connected with axial-flow type valve clack of second spring.
Further, one side of the axial-flow type valve clack is fixedly connected with a third valve seat, and one side of the third valve seat is fixedly connected with a third sealing ring.
(III) advantageous effects
The invention has the following beneficial effects:
1. according to the invention, the first spring structure is arranged on one side of the first valve seat, so that the first valve seat, the second valve seat and the valve ball are prevented from being locked due to material deformation under a high-temperature environment, and the normal use is not influenced.
2. According to the invention, the first filler, the second filler and the belleville spring are matched, so that the pre-tightening of the first filler and the second filler can be adjusted, and the sealing reliability is ensured under the condition of temperature change.
3. According to the invention, the third sealing ring structure is arranged on one side of the second valve body, so that the replacement and maintenance are convenient, the third sealing ring is damaged, and only the third valve seat needs to be replaced, so that the maintenance cost is lower.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional front view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of the present invention at A;
FIG. 4 is an enlarged view of the structure of the present invention at B.
Reference numerals: 1. a first valve body; 2. a first spring; 3. a first valve seat; 4. a valve ball; 5. a second valve seat; 6. a first seal ring; 7. a second seal ring; 8. a second valve body; 9. a first stud; 10. a first nut; 11. a supporting seat; 12. a second spring; 13. an axial flow valve flap; 14. a third seal ring; 15. a third valve seat; 16. a valve stem; 17. a flat bearing; 18. a sliding bearing; 19. a fourth seal ring; 20. a screw; 21. a stuffing box; 22. a first filler; 23. a second filler; 24. pressing and sleeving the filler; 25. a packing press plate; 26. a belleville spring; 27. a second stud; 28. a second nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, a combined valve with low maintenance cost includes a first valve body 1, a valve ball 4 is disposed at the center of the first valve body 1, one end of the first valve body 1 is fixedly connected to a first valve seat 3, one side of the first valve seat 3 is fixedly connected to a first spring 2, the other end of the first valve body 1 is fixedly connected to a second valve seat 5, a first sealing ring 6 is fixedly connected to the inner side of one end of the first valve body 1, a second sealing ring 7 is fixedly connected to the outer side of one end of the first valve body 1, one end of the first valve body 1 is provided with a first stud 9, one end of the first stud 9 is fixedly connected to a second valve body 8, and the other end of the first stud 9 is fixedly connected to a first nut 10.
In this embodiment, through setting up first spring 2 structure in one side of first disk seat 3, when valve ball 4 moved, first spring 2 of 3 both sides of first disk seat can contract, changes first spring 2's length, gives the removal space that first disk seat 3 removed, can not cause first disk seat 3, second disk seat 5 and valve ball 4 because of the material warp to appear the locking phenomenon under the assurance high temperature environment, influences normal use.
Example 2
Referring to fig. 2 and 3, the present embodiment is further optimized based on embodiment 1, specifically, a stuffing box 21 is fixedly connected to one side of the top of the first valve body 1, and screws 20 are fixedly connected to both sides of the stuffing box 21.
Specifically, a valve rod 16 is fixedly connected to the center of a stuffing box 21, a fourth sealing ring 19 is fixedly connected to one side of the stuffing box 21, a plane bearing 17 is fixedly connected to the inner wall of the bottom of the stuffing box 21, and a sliding bearing 18 is fixedly connected to the bottom of the inner wall of the stuffing box 21.
Specifically, the top of the inner wall of the stuffing box 21 is fixedly connected with a second stuffing 23, and the bottom of the second stuffing 23 is fixedly connected with a first stuffing 22.
Specifically, the top of the stuffing box 21 is fixedly connected with a stuffing pressing sleeve 24, one end of the stuffing pressing sleeve 24 is fixedly connected with a stuffing pressing plate 25, one side of the stuffing pressing plate 25 is fixedly connected with a second stud 27, one end of the second stud 27 is fixedly connected with a second nut 28, and a belleville spring 26 is arranged outside one end of the second stud 27.
In this embodiment, the first filler 22 and the second filler 23 are arranged in cooperation with the belleville spring 26, so that the expansion or contraction of the first filler 22 and the second filler 23 is caused when the temperature is increased or decreased, the thickness of the belleville spring 26 can be changed while the expansion or contraction of the first filler 22 and the second filler 23 is caused, the first filler 22 and the second filler 23 are always pressed, the pretension of the first filler 22 and the second filler 23 can be adjusted, and the sealing reliability is ensured under the condition of temperature change.
Example 3
Referring to fig. 2 and 4, the present embodiment is optimized based on the embodiment 1 or 2, specifically, a support seat 11 is fixedly connected to one side of the second valve body 8, a second spring 12 is fixedly connected to one side of the support seat 11, and an axial flow valve flap 13 is fixedly connected to one end of the second spring 12.
Specifically, one side of the axial flow valve flap 13 is fixedly connected with a third valve seat 15, and one side of the third valve seat 15 is fixedly connected with a third sealing ring 14.
In this embodiment, by providing the third seal ring 14 on one side of the second valve body 8, the third valve seat 15 can be removed from one side of the second valve body 8, and when a new third valve seat 15 is mounted on the second valve body 8, the third seal ring 14 is used to seal the second valve body 8 and the third seal ring 14 for normal use, so that the replacement and maintenance are convenient, the third seal ring 14 is damaged, and only the third valve seat 15 needs to be replaced, and the maintenance cost is lower.
In summary, the following steps: the invention has the advantages of no locking and poor sealing problems in temperature change, better practicability, convenient maintenance after damage and reduced cost.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims (7)

1. A low maintenance cost's combination formula valve, includes first valve body (1), its characterized in that: the center department of first valve body (1) is equipped with valve ball (4), the first disk seat of inside one end fixed connection (3) of first valve body (1), the first spring of one side fixed connection (2) of first disk seat (3), the inside other end fixedly connected with second disk seat (5) of first valve body (1), the inboard fixedly connected with first sealing washer (6) of one end of first valve body (1), the one end outside fixedly connected with second sealing washer (7) of first valve body (1), the one end of first valve body (1) is equipped with first double-screw bolt (9), the one end fixedly connected with second valve body (8) of first double-screw bolt (9), the other end fixedly connected with first nut (10) of first double-screw bolt (9).
2. A low maintenance cost combination valve as defined in claim 1, wherein: one side of the top of the first valve body (1) is fixedly connected with a stuffing box (21), and two sides of the stuffing box (21) are fixedly connected with screws (20).
3. A low maintenance cost combination valve as defined in claim 2, wherein: the valve rod (16) is fixedly connected to the center of the stuffing box (21), the fourth sealing ring (19) is fixedly connected to one side of the stuffing box (21), the planar bearing (17) is fixedly connected to the inner wall of the bottom of the stuffing box (21), and the sliding bearing (18) is fixedly connected to the bottom of the inner wall of the stuffing box (21).
4. A low maintenance cost combination valve as defined in claim 3, wherein: the top of the inner wall of the stuffing box (21) is fixedly connected with a second stuffing (23), and the bottom of the second stuffing (23) is fixedly connected with a first stuffing (22).
5. A low maintenance cost combination valve as defined in claim 1, wherein: the packing box is characterized in that a packing pressing sleeve (24) is fixedly connected to the top of the packing box (21), a packing pressing plate (25) is fixedly connected to one end of the packing pressing sleeve (24), a second stud (27) is fixedly connected to one side of the packing pressing plate (25), a second nut (28) is fixedly connected to one end of the second stud (27), and a belleville spring (26) is arranged outside one end of the second stud (27).
6. A low maintenance cost combination valve as defined in claim 1, wherein: one side fixedly connected with supporting seat (11) of second valve body (8), one side fixedly connected with second spring (12) of supporting seat (11), the one end fixedly connected with axial-flow valve clack (13) of second spring (12).
7. A low maintenance cost combination valve as defined in claim 1, wherein: one side fixedly connected with third disk seat (15) of axial-flow type valve clack (13), one side fixedly connected with third sealing washer (14) of third disk seat (15).
CN202010975647.1A 2020-09-16 2020-09-16 Combined valve with low maintenance cost Pending CN111998105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010975647.1A CN111998105A (en) 2020-09-16 2020-09-16 Combined valve with low maintenance cost

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010975647.1A CN111998105A (en) 2020-09-16 2020-09-16 Combined valve with low maintenance cost

Publications (1)

Publication Number Publication Date
CN111998105A true CN111998105A (en) 2020-11-27

Family

ID=73474253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010975647.1A Pending CN111998105A (en) 2020-09-16 2020-09-16 Combined valve with low maintenance cost

Country Status (1)

Country Link
CN (1) CN111998105A (en)

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