CN220435487U

CN220435487U - Tank bottom ball valve

Info

Publication number: CN220435487U
Application number: CN202322076124.5U
Authority: CN
Inventors: 叶波; 谢红斌; 孙德静
Original assignee: Wenzhou Tianyue Fluid Equipment Co ltd
Current assignee: Wenzhou Tianyue Fluid Equipment Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-02
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a tank bottom ball valve which comprises a valve body and a valve cover, wherein a ball body is arranged in the valve body, a valve rod which is in linkage connection with the ball body is arranged on the valve cover, a valve seat which is in sealing fit with the ball body is arranged in the valve body, a fixed ball seat and an adapter are arranged on the ball body, the fixed ball seat and the adapter are connected together through a clamping assembly, the connecting assembly comprises a clamping ring and a fastening piece, one side of the adapter is in plug fit with the clamping ring, one side of the fixed ball seat is also in plug fit with the clamping ring, and the fastening piece is used for locking the fixed ball seat and the adapter with the clamping ring respectively. The ball seat can be conveniently replaced on the easily worn parts on the two sides of the ball body, the whole ball body is not required to be removed for replacement, the service life of the ball seat is prolonged, and the maintenance cost of the ball valve is reduced.

Description

Tank bottom ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a tank bottom ball valve.

Background

The ball body rotates along with the valve rod around the central line of the valve body so as to realize the opening and closing of the valve. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be widely applied to petroleum and chemical industry according to the structural advantage of the ball valve. In the case of conveying corrosive fluid media such as steel smelting, the flushing of the media can seriously wear the edge parts on two sides of the ball body in the use process, the whole ball body needs to be removed in the later replacement process, the maintenance is very inconvenient, and the use cost and the maintenance cost of the ball valve are improved.

Disclosure of Invention

The utility model aims to provide a tank bottom ball valve, which is convenient for replacing easily worn parts on two sides of a ball body, does not need to dismantle the whole ball body for replacement, prolongs the service life of a ball seat, and reduces the maintenance cost of the ball valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tank bottom ball valve, includes valve body and valve gap, be provided with the spheroid in the valve body, be provided with the valve rod that links with the spheroid formation linkage on the valve gap, be provided with in the valve body and form sealed complex disk seat with the spheroid, be provided with fixed ball seat and adapter on the spheroid, link together through joint subassembly between fixed ball seat and the adapter, coupling assembling includes joint circle and fastener, the cooperation of pegging graft on adapter one side sets up on the joint circle, the cooperation of pegging graft also on fixed ball seat one side sets up on the joint circle, the fastener is locked fixed ball seat and adapter respectively and is circled with the joint.

Through adopting above-mentioned technical scheme, will be the adapter of split with the position design of wearing and tearing to pass through the joint circle and ball seat and connect fixedly through the fastener, peg graft one side of adapter in the joint circle during the installation, also carry out the joint in the ball seat through the opposite side of joint circle, then lock adapter and ball seat on the joint circle respectively through the fastener, overall structure can be convenient for change the easy wearing and tearing position of spheroid both sides, need not to demolish whole spheroid and change, promote the life of ball seat, the maintenance cost of ball valve has been reduced.

The utility model is further characterized in that the clamping ring is provided with a mounting panel, a separation column and an abutting panel, the mounting panel is connected with the abutting panel through the separation column and is in an I-shaped shape, a left clamping groove and a right clamping groove which are symmetrically arranged are formed between the mounting panel and the abutting panel, the adapter is provided with a left positioning column which is matched with the left clamping groove, the adapter is provided with a right positioning column which is matched with the right clamping groove, the adapter is inserted into Zuo Kacao through the left positioning column, and the fixed ball seat is inserted into the right clamping groove through the right positioning column.

Through adopting above-mentioned technical scheme, the adapter is pegged graft in left draw-in groove through doing the reference column during the installation, and fixed ball seat is pegged graft in right draw-in groove through right reference column to utilize the installation panel to install fixedly, the butt panel forms fixed stay, makes overall structure more firm.

The left clamping groove is further provided with a first mounting hole and a second mounting hole, the left positioning column is provided with a third mounting hole corresponding to the first mounting hole, and the fastener sequentially penetrates through the first mounting hole and the third mounting hole and is screwed in the second mounting hole.

Through adopting above-mentioned technical scheme, utilize the fastener to screw joint circle and left reference column together, overall structure is simple, and installs portably.

The utility model is further characterized in that a sealing gasket is clamped between the left positioning column and the left clamping groove, the sealing gasket is arranged in a U-shaped shape towards one side of the left positioning column, and a positioning through hole for a fastener to pass through is formed in the sealing gasket.

Through adopting above-mentioned technical scheme, press from both sides and establish sealed pad between left reference column and doing the constant head tank, can compensate the structural tolerance of both when pegging graft the cooperation for left reference column is inseparabler with doing the constant head tank joint cooperation, promotes overall structure's locking strength, and can reduce the pressure of medium to the structure.

The utility model is further characterized in that a first annular groove is formed in one side, far away from the clamping ring, of the adapter, a corresponding second annular groove is formed in the fixing ball seat, and a sealing ring is clamped between the first annular groove and the second annular groove.

Through adopting above-mentioned technical scheme, keep away from joint circle one side at adapter and fixed ball seat and set up the sealing washer, can avoid the medium to reveal and get into inside the structure, prevent that the medium from revealing and producing the corruption to inner structure, have better sealed effect.

The utility model further provides that the mounting panel is provided with a limiting opening, the fastener comprises a bolt, and the nut end of the bolt is screwed in the limiting opening.

Through adopting above-mentioned technical scheme, offered spacing opening on the installation panel, screw the nut end of bolt in spacing opening, can prevent to cause the operation personnel fish tail during the installation to avoid the nut end of bolt to expose outside, overall structure is more pleasing to the eye clean and tidy, and has better guard action.

The utility model is further characterized in that the peripheral surface of the sealing gasket is provided with a plurality of conical convex parts, and the conical convex parts are abutted against the left clamping groove.

Through adopting above-mentioned technical scheme, sealed pad outer peripheral face is a plurality of toper convex parts and sets up, can form better sealed cooperation effect with left card slot, is different from planar seal's design, forms stage type sealed effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the portion A of the present utility model;

fig. 3 is an enlarged view of the portion B of the present utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a sphere; 5. a valve seat; 8. fixing the ball seat; 9. an adapter; 10. a clamping assembly; 11. a clamping ring; 12. a fastener; 13. installing a panel; 14. a separation column; 15. abutting against the panel; 16. a left clamping groove; 17. a right clamping groove; 18. a left positioning column; 19. a right positioning column; 20. a first installation; 21. a second mounting hole; 22. a third mounting hole; 23. a sealing gasket; 24. positioning the through hole; 25. a first annular groove; 26. a second annular groove; 27. a seal ring; 28. a limit opening; 29. a screw cap; 30. a conical protrusion; 31. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the utility model provides a tank bottom ball valve as shown in figures 1 ~ 3, includes valve body 1 and valve gap 2, be provided with spheroid 4 in the valve body 1, be provided with on the valve gap 2 and form the valve rod 3 that the linkage links with spheroid 4, be provided with in the valve body 1 and form sealing fit's disk seat 5 with spheroid 4, be provided with fixed ball seat 8 and adapter 9 on the spheroid 4, link together through joint subassembly 10 between fixed ball seat 8 and the adapter 9, the coupling assembling includes joint circle 11 and fastener 12 (specifically screw or bolt 31), the cooperation of pegging graft on one side of adapter 9 sets up on joint circle 11, fixed ball seat 8 also pegging graft the cooperation and set up on joint circle 11, fastener 12 locks fixed ball seat 8 and adapter 9 respectively and is gone up with joint circle 11, will be the part design of easy wearing and tearing for detachable adapter 9 to be connected fixedly through joint circle 11 and ball seat through fastener 12, peg graft one side of adapter 9 in joint circle 11, also carry out the joint through the opposite side of joint circle 11 and then carry out joint circle 12 and carry out the replacement of ball seat 4 through joint circle 12, the whole ball seat 4 has been convenient for use and has reduced the whole cost of replacement.

As shown in fig. 2, the mounting panel 13, the isolation column 14 and the abutting panel 15 are provided on the clamping ring 11, the mounting panel 13 is connected with the abutting panel 15 through the isolation column 14 and is in an i-shaped configuration, a left clamping groove 16 and a right clamping groove 17 which are symmetrically arranged are provided between the mounting panel 13 and the abutting panel 15, a left positioning column 18 (as an integral structure) which is matched with the left clamping groove 16 is provided on the adapter 9, a right positioning column 19 (as an integral structure) which is matched with the right clamping groove 17 is provided on the fixed ball seat 8, the adapter 9 is inserted into the Zuo Kacao through the left positioning column 18, the fixed ball seat 8 is inserted into the right clamping groove 17 through the right positioning column 19, the adapter 9 is inserted into the left clamping groove 16 through the positioning column during installation, the fixed ball seat 8 is inserted into the right clamping groove 17 through the right positioning column 19, and the installation and the abutting panel 15 is fixed by the mounting panel 13, so that the integral structure is firmer.

As shown in fig. 2, the left clamping groove 16 is provided with a first mounting hole 20 and a second mounting hole 21 (the right clamping groove 17 and the left clamping groove 16 are arranged in the same structure), the left positioning column 18 is provided with a third mounting hole 22 corresponding to the first mounting hole 20, the fastener 12 sequentially passes through the first mounting hole 20 and the third mounting hole 22 and is screwed in the second mounting hole 21, the clamping ring 11 and the left positioning column 18 are screwed together by the fastener 12, and the whole structure is simple and the installation is portable.

As shown in fig. 2, a sealing gasket 23 (the same structure of the right clamping groove 17 and the right positioning groove 19 is arranged) is clamped between the left positioning column 18 and the left clamping groove 16, the sealing gasket 23 (specifically made of rubber) is arranged in a U-shaped shape towards one side of the left positioning column 18, a positioning through hole 24 for the fastener 12 to pass through is formed in the sealing gasket 23, the sealing gasket 23 is clamped between the left positioning column 18 and the positioning groove, so that structural tolerance of the left positioning column 18 and the positioning groove during plug-in matching can be compensated, the left positioning column 18 and the positioning groove can be clamped and matched more tightly, locking strength of the whole structure is improved, and pressure of medium on the structure can be reduced.

As shown in fig. 3, the adaptor 9 is provided with a first annular groove 25 on one side far away from the clamping ring 11, the fixed ball seat 8 is provided with a corresponding second annular groove 26, a sealing ring 27 (specifically made of rubber) is sandwiched between the first annular groove 25 and the second annular groove 26, and the sealing ring 27 is arranged on one side far away from the clamping ring 11 between the adaptor 9 and the fixed ball seat 8, so that medium leakage can be avoided from entering the structure, corrosion of the internal structure caused by medium leakage is prevented, and a good sealing effect is achieved.

As shown in fig. 2, the mounting panel 13 is provided with a limit opening 28, the fastener 12 includes a bolt 31, a nut 29 end of the bolt 31 is screwed into the limit opening 28, the mounting panel 13 is provided with the limit opening 28, the nut 29 end of the bolt 31 is screwed into the limit opening 28, and when in mounting, the operator can be prevented from being scratched, and the nut 29 end of the bolt 31 is prevented from being exposed, so that the whole structure is more attractive and tidy, and has a better protection effect.

As shown in fig. 2, the outer peripheral surface of the sealing gasket 23 is provided with a plurality of conical protruding portions 30 (as an integral structure), the conical protruding portions 30 are abutted against the left clamping groove 16, and the outer peripheral surface of the sealing gasket 23 is provided with a plurality of conical protruding portions 30, so that a better sealing cooperation effect can be formed with the left clamping groove 16, and the sealing gasket is different from a planar sealing design, so that a staged sealing effect is formed.

Claims

1. The utility model provides a tank bottoms ball valve, includes valve body (1) and valve gap (2), be provided with spheroid (4) in valve body (1), be provided with valve rod (3) that form the linkage with spheroid (4) on valve gap (2), be provided with in valve body (1) and form sealed complex disk seat (5), its characterized in that with spheroid (4): be provided with fixed ball seat (8) and adapter (9) on spheroid (4), link together through joint subassembly (10) between fixed ball seat (8) and adapter (9), joint subassembly (10) are including joint circle (11) and fastener (12), the cooperation sets up on joint circle (11) are pegged graft to adapter (9) one side, also pegged graft the cooperation and set up on joint circle (11) fixed ball seat (8) one side, fastener (12) are respectively with fixed ball seat (8) and adapter (9) locking and on joint circle (11).

2. The tank bottom ball valve according to claim 1, wherein: the mounting panel (13), the isolation column (14) and the butt panel (15) have been seted up on joint circle (11), mounting panel (13) are connected butt panel (15) and are the setting of I-shaped shape through isolation column (14), left draw-in groove (16) and right draw-in groove (17) that are the symmetry setting have been seted up between mounting panel (13) and butt panel (15), be provided with on adapter (9) with left reference column (18) of left draw-in groove (16) looks adaptation, be provided with on fixed ball seat (8) with right reference column (19) of right draw-in groove (17) looks adaptation, adapter (9) are pegged graft in Zuo Kacao (16) through left reference column (18), fixed ball seat (8) are pegged graft through right reference column (19) and are cooperated in right draw-in groove (17).

3. A tank bottom ball valve as in claim 2 wherein: the left clamping groove (16) is provided with a first mounting hole (20) and a second mounting hole (21), the left positioning column (18) is provided with a third mounting hole (22) corresponding to the first mounting hole (20), and the fastener (12) sequentially penetrates through the first mounting hole (20) and the third mounting hole (22) and is screwed in the second mounting hole (21).

4. A tank bottom ball valve as in claim 2 wherein: a sealing gasket (23) is clamped between the left positioning column (18) and the left clamping groove (16), the sealing gasket (23) is arranged in a U-shaped shape towards one side of the left positioning column (18), and a positioning through hole (24) for a fastener (12) to pass through is formed in the sealing gasket (23).

5. The tank bottom ball valve according to claim 1, wherein: the adapter (9) is far away from joint circle (11) one side and has seted up first ring channel (25), set up corresponding second ring channel (26) on fixed ball seat (8), press from both sides between first ring channel (25) and second ring channel (26) and be equipped with sealing washer (27).

6. A tank bottom ball valve as in claim 2 wherein: the mounting panel (13) is provided with a limiting opening (28), the fastener (12) comprises a bolt (31), and a nut (29) end of the bolt (31) is screwed in the limiting opening (28).

7. The tank bottom ball valve according to claim 4, wherein: the outer peripheral surface of the sealing gasket (23) is provided with a plurality of conical protruding parts (30), and the conical protruding parts (30) are abutted against the left clamping groove (16).