CN212690946U

CN212690946U - Combined valve with low maintenance cost

Info

Publication number: CN212690946U
Application number: CN202022040013.5U
Authority: CN
Inventors: 赵学强; 刘明军
Original assignee: Jiangsu Jiangheng Valves Co ltd
Current assignee: Jiangsu Jiangheng Valves Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-03-12
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a low maintenance cost's combination formula valve relates to combination formula valve technical field, including 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 of 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 utility model discloses, set up first spring structure in one side of first disk seat, guarantee that the locking phenomenon can not cause first disk seat, second disk seat and valve ball to appear because of the material warp under the high temperature environment, influence normal use, set up third sealing washer structure in one side of second valve body, it is convenient when changing the maintenance, the third disk seat only need be changed in the damage of third sealing washer, and the maintenance cost is lower.

Description

Combined valve with low maintenance cost

Technical Field

The utility model relates to a combination formula valve technical field, more specifically relates to a combination formula valve of 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 chinese utility model patent application no: 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.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: two valves pass through the flange joint combination in order to solve the combination formula valve and form, and this kind of structure spare part damages to be changed inconveniently, and the majority is that whole machine is changed, the higher problem of later maintenance cost, the utility model provides a low maintenance cost's combination formula valve.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

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 utility model has the advantages as follows:

1. the utility model discloses, through setting up first spring structure in one side of first disk seat, can not cause locking phenomenon to appear in first disk seat, second disk seat and valve ball because of the material warp under the assurance high temperature environment, influence normal use.

2. The utility model discloses, through first filler, second filler and belleville spring's cooperation setting, can adjust the pretension that first filler, second packed, guarantee the sealing reliability under the temperature variation condition.

3. The utility model discloses, through setting up third sealing washer structure in one side of second valve body, it is convenient when changing the maintenance, and the third sealing washer damages and only needs to change the third disk seat, and the maintenance cost is lower.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

fig. 4 is an enlarged schematic view of the structure at B of the present invention.

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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 utility model discloses, locking and sealed not tight problem can not appear in the temperature variation, and the practicality is better, is convenient for maintain reduce cost after damaging.

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

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 2, 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 6, 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).