CN216555473U

CN216555473U - Tank bottom ball valve

Info

Publication number: CN216555473U
Application number: CN202123455844.XU
Authority: CN
Inventors: 朱常有; 张继; 梁天峰; 陈海兵
Original assignee: Qili Holding Group Co ltd
Current assignee: Qili Holding Group Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-17
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of the ball valve and specifically relates to a tank bottoms ball valve is related to, and it is including the valve body, the valve body internal rotation has the case, be provided with the water hole that is used for leading to water on the case, be provided with the tank bottoms on the valve body, the tank bottoms diameter is greater than the valve body diameter, be provided with the inlet on the tank bottoms, the inlet is linked together with the water hole, the inner wall in inlet is the setting of closing up to the position that is close to the water hole by the position of keeping away from the water hole. This application has the effect that improves the velocity of flow in the medium influent water hole in the tank body.

Description

Tank bottom ball valve

Technical Field

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

Background

With the development of our country society, in the industry of pipeline, jar body transportation, the valve plays irreplaceable effect, and the tank bottom ball valve is the ball valve who is used in the jar body.

The tank bottom ball valve generally comprises a main valve body, a valve core rotates in the main valve body, a valve rod is arranged on the valve core, two auxiliary valve bodies used for feeding and discharging are arranged on the main valve body respectively, and one auxiliary valve body is connected to the bottom of a tank body and communicated with the inside of the tank body.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the bottom of the tank body is generally called as a plane, when the medium in the tank body is reduced, the pressure of the medium is reduced, so that the speed of the medium entering the auxiliary valve body is reduced, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve when jar internal medium reduces, the speed that jar internal medium flows into vice valve body slows down, reduces work efficiency's problem, this application provides a tank bottoms ball valve.

The application provides a tank bottoms ball valve adopts following technical scheme:

the utility model provides a tank bottoms ball valve, includes the valve body, the valve body internal rotation has the case, be provided with the water hole that is used for leading to water on the case, be provided with the tank bottoms on the valve body, tank bottoms diameter is greater than the valve body diameter, be provided with the inlet hole on the tank bottoms, the inlet hole is linked together with the water hole, the inner wall in inlet hole is the setting of closing up to the position that is close to the water hole by the position of keeping away from the water hole.

Through adopting above-mentioned technical scheme, when the internal medium of jar reduced, the inlet that is the binding off setting will make more medium flow towards the direction that gets into the water hole to increased water pressure, improved the velocity of flow of medium, thereby reduced because the medium reduces, thereby reduced the water pressure of medium, slowed down the probability of the velocity of flow that the medium flows out, improved the output efficiency of jar internal medium.

Optionally, be provided with the valve gap on the valve body, the opening and the water hole of valve gap are linked together, be provided with first fixed plate on the valve gap, be provided with the second fixed plate on the valve body, it has fixing bolt to run through in first fixed plate and the second fixed plate, fixing bolt runs through first fixed plate and second fixed plate to tank bottoms, fixing bolt is threaded connection with the tank bottoms.

Through adopting above-mentioned technical scheme, come valve gap, valve body and tank bottoms to fix through fixing bolt, made things convenient for the staff to fix valve gap, valve body and tank bottoms, realized dismantling the connection, when damage appears in one of them, only change a part and can accomplish the maintenance, reduced cost of maintenance.

Optionally, a first sealing groove is formed in the side wall, facing the tank bottom, of the valve body, a first teflon ring used for sealing is embedded in the first sealing groove, and the first teflon ring is further abutted to the side wall of the tank bottom.

Through adopting above-mentioned technical scheme, played limiting displacement to first four fluorine circles through first seal groove, reduced the gliding probability of first four fluorine circles on the valve body lateral wall, sealed with the gap between valve body and the tank bottoms through setting up first four fluorine circles between valve body and tank bottoms to reduce the probability that the gap between medium follow valve body and the tank bottoms spills, improved the leakproofness between valve body and the tank bottoms.

Optionally, a second sealing groove is formed in the side wall, facing the valve cover, of the valve body, a second teflon ring used for sealing is embedded in the second sealing groove, and the second teflon ring is further abutted to the side wall of the valve cover.

Through adopting above-mentioned technical scheme, played limiting displacement to the second teflon ring through the second seal groove, reduced the gliding probability of second teflon ring on the valve body lateral wall, sealed the gap between valve body and the valve gap through setting up the second teflon ring between valve body and valve gap to reduce the probability that the gap between medium follow valve body and the valve gap spills, improved the leakproofness between valve body and the valve gap.

Optionally, a polytetrafluoroethylene full-wrapping seat is arranged in the valve body, the valve core is embedded in the polytetrafluoroethylene full-wrapping seat, a through hole is formed in the polytetrafluoroethylene full-wrapping seat, and the through hole is communicated with the water hole, the inlet hole and the opening of the valve cover.

Through adopting above-mentioned technical scheme, establish in the tetrafluoro wraps the seat entirely through inlaying the case, realized the sealed to the case lateral wall, reduced the probability that the water in the water hole of case spills through the gap between case lateral wall and the valve body inner wall, improved the leakproofness between case and the valve body.

Optionally, the outer side wall of the polytetrafluoroethylene full-covering seat is simultaneously abutted against the inner wall of the valve body, the side wall of the tank bottom and the side wall of the valve cover.

Through adopting above-mentioned technical scheme, contradict with valve body inner wall, tank bottoms lateral wall and valve gap lateral wall simultaneously through covering seat lateral wall entirely with the tetrafluoro for valve body, tank bottoms and valve gap have played limiting displacement to the seat is covered entirely to the tetrafluoro simultaneously, have reduced the seat is covered entirely to the tetrafluoro and have produced displacement or pivoted probability in the valve body, have improved the stability that the seat was covered entirely to the tetrafluoro.

Optionally, a valve rod for rotating the valve core is arranged on the valve core, the valve rod penetrates through the tetrafluoro full-wrapping seat, a filling hole is formed in the valve body, the valve rod penetrates out of the filling hole to the outside, and a sealing ring is arranged between the inner wall of the filling hole and the valve rod.

Through adopting above-mentioned technical scheme, improve the leakproofness between valve rod and the valve body through packing, come medium and the material of filling in to seal the leak protection through the sealing washer, further strengthened the leakproofness of valve rod, reduced the probability that the medium spills from the gap between valve rod and the filler hole inner wall.

Optionally, a packing gland for sealing is arranged between the inner wall of the packing hole and the valve rod, a thread is arranged on the valve rod, and the thread is used for a nut to be screwed on the packing gland.

Through adopting above-mentioned technical scheme, will pack gland tightly to press between filler hole and valve rod through the nut, increased the pressure of pack gland to between filler hole inner wall and the valve rod lateral wall, further improved the leakproofness of valve rod.

In summary, the present application includes at least one of the following beneficial technical effects:

when the medium in the tank body is reduced, the inlet hole arranged in the closing-up mode can enable more medium to flow towards the direction of entering the water hole, so that the water pressure is increased, the flow rate of the medium is improved, the water pressure of the medium is reduced due to the reduction of the medium, the probability of the flow rate of the medium flowing out is reduced, and the output efficiency of the medium in the tank body is improved.

Come valve gap, valve body and tank bottoms to fix through fixing bolt, made things convenient for the staff to fix valve gap, valve body and tank bottoms, realized dismantling the connection, when damage appears in one of them, only change a part and can accomplish the maintenance, reduced cost of maintenance.

Drawings

FIG. 1 is a schematic view of the overall structure of a tank bottom ball valve in the embodiment of the present application.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic view highlighting a second seal groove configuration.

Description of reference numerals: 1. a valve body; 11. a valve core; 12. the tank bottom; 13. entering a hole; 14. a first seal groove; 15. a first teflon ring; 2. a valve cover; 21. a first fixing plate; 22. a second fixing plate; 23. fixing the bolt; 24. a second seal groove; 25. a second teflon ring; 3. a tetrafluoro full-covering seat; 31. a valve stem; 32. a filler hole; 33. a seal ring; 4. a packing gland; 41. and (4) threading.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a tank bottom ball valve. Referring to fig. 1 and 2, the tank bottom ball valve comprises a valve body 1, a valve core 11 is rotated in the valve body 1, a water hole for leading water is penetrated through the valve core 11, a tank bottom 12 is installed on the valve body 1, the diameter of the tank bottom 12 is larger than that of the valve body 1, and a feed hole 13 is penetrated through the tank bottom 12. The valve core 11 is rotated to communicate the inlet hole 13 with the water hole, so that the medium can circulate, and the inner wall of the inlet hole 13 is closed from the position far away from the water hole to the position close to the water hole.

Referring to fig. 1, a valve cap 2 is installed on the end of the valve body 1 far away from the tank bottom 12, and the valve core 11 is rotated to communicate the inlet hole 13, the water hole and the opening of the valve cap 2, so that the medium can circulate. Four first fixed plates 21 are fixedly connected to the outer side wall of the valve cover 2, four second fixed plates 22 are fixedly connected to the outer side wall of the valve body 1, one first fixed plate 21 and one second fixed plate 22 form a group, and the same fixing bolt 23 penetrates through the first fixed plate 21 and the second fixed plate 22 of the same group. The fixing bolt 23 penetrates through the first fixing plate 21 and the second fixing plate 22 in the same group to the outer side wall of the tank bottom 12, and the fixing bolt 23 is in threaded connection with the tank bottom 12, so that the positions of the valve body 1, the tank bottom 12 and the valve cover 2 are fixed.

Referring to fig. 2, a first seal groove 14 is formed in a side wall of the valve body 1 facing the tank bottom 12, and a length direction of the first seal groove 14 extends circumferentially along the side wall of the valve body 1. First seal groove 14 is embedded to be equipped with and is used for sealed first four fluorine circles 15, and the lateral wall of first four fluorine circles 15 is contradicted with the 14 inner walls of first seal groove and is laminated, and the 15 lateral walls of first four fluorine circles still contradict with tank bottoms 12 towards the lateral wall of valve body 1 and laminate.

Referring to fig. 2 and 3, a second sealing groove 24 is formed in a side wall of the valve body 1 facing the bonnet 2, the second sealing groove 24 extends circumferentially along the side wall of the valve body 1 in a length direction, and the first sealing groove 14 and the second sealing groove 24 are symmetrically formed in two side walls of the valve body 1 facing away from each other. The embedded second teflon ring 25 that is used for sealed that is equipped with of second seal groove 24, the lateral wall and the 24 inner walls of second seal groove of second teflon ring 25 conflict the laminating, and the 25 lateral walls of second teflon ring still contradict the laminating with valve gap 2 towards the lateral wall of valve body 1.

Referring to fig. 2, install the tetrafluoro in the valve body 1 and wrap seat 3 entirely, case 11 inlays and establishes in the tetrafluoro wraps seat 3 entirely, and including tetrafluoro wraps seat 3 wraps up 11 lateral walls of case, the tetrafluoro wrap seat 3 lateral walls entirely simultaneously with 1 inner wall of valve body, tank bottoms 12 towards the lateral wall of valve body 1 and valve gap 2 towards the lateral wall conflict laminating of valve body 1. The PTFE full-covered seat 3 is provided with a through hole which is communicated with the water hole, the inlet hole 13 and the opening of the valve cover 2. In this embodiment, the tetrafluoro full packet holder 3 is made of a tetrafluoroethylene material.

Referring to fig. 2, seted up the cross slot on the 11 lateral walls of case, the length of cross slot inner wall is linear extension, and the joint has the valve rod 31 that is used for rotating case 11 on the case 11, and the tip and the cross slot phase-match of valve rod 31, the laminating of contradicting of 31 tip lateral walls of valve rod and cross slot inner wall.

Referring to fig. 2, it has the filled hole 32 that is used for filling towards the valve rod 31 periphery to run through on the valve body 1, and the valve rod 31 runs through 3 lateral walls of tetrafluoro full package seat and wears out to the external world from filled hole 32, and it has sealing washer 33 to contradict the laminating between filled hole 32 inner wall and the valve rod 31 lateral wall, and the laminating is contradicted with valve rod 31 lateral wall to sealing washer 33 lateral wall and the laminating of contradicting of filled hole 32 inner wall to seal up water and filler.

Referring to fig. 2, install between gland 32 inner wall and the valve rod 31 and be used for the gland 4 of sealed, the laminating of contradicting of 4 inner walls of gland and valve rod 31 lateral wall, the laminating of contradicting of 4 lateral walls of gland and 32 inner walls of gland, and the tip of gland 4 extends to outside the gland 32. The valve rod 31 is provided with a thread 41, the thread 41 is used for screwing a nut, and the end part of the packing gland 4, which is positioned outside the packing hole 32, is used for abutting the nut and pressing the packing gland 4 towards the inside of the packing hole 32.

The implementation principle of a tank bottom ball valve of the embodiment of the application is as follows: when the staff need export the internal medium of jar, rotatable valve rod 31 comes control valve core 11 to rotate, when the opening of water hole, inlet hole 13 and valve gap 2 is linked together, the internal medium of jar will flow out, and inlet hole 13 that is the binding off setting will make more medium crowded income towards the water hole jointly to the velocity of flow has been increaseed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tank bottoms ball valve, including valve body (1), the internal rotation of valve body (1) has case (11), be provided with the water hole that is used for logical water on case (11), its characterized in that: be provided with tank bottoms (12) on valve body (1), tank bottoms (12) diameter is greater than valve body (1) diameter, be provided with inlet hole (13) on tank bottoms (12), inlet hole (13) are linked together with the water hole, the inner wall of inlet hole (13) is the setting of closing up by the position of keeping away from the water hole to the position that is close to the water hole.

2. A canister bottom ball valve according to claim 1, characterised in that: be provided with valve gap (2) on valve body (1), the opening and the water hole of valve gap (2) are linked together, be provided with first fixed plate (21) on valve gap (2), be provided with second fixed plate (22) on valve body (1), it has fixing bolt (23) to run through in first fixed plate (21) and second fixed plate (22), fixing bolt (23) run through first fixed plate (21) and second fixed plate (22) to tank bottoms (12), fixing bolt (23) are threaded connection with tank bottoms (12).

3. A canister bottom ball valve according to claim 1, characterised in that: the valve body (1) is provided with first seal groove (14) on the lateral wall towards tank bottoms (12), first seal groove (14) are embedded to be equipped with and are used for sealed first four fluorine circle (15), first four fluorine circle (15) still contradict with tank bottoms (12) lateral wall.

4. A canister bottom ball valve according to claim 3, characterized in that: the valve body (1) is provided with second seal groove (24) on the lateral wall towards valve gap (2), second seal groove (24) are embedded to be equipped with and are used for sealed second four fluorine circles (25), second four fluorine circles (25) still contradict with valve gap (2) lateral wall.

5. A canister bottom ball valve according to claim 2, characterized in that: be provided with PTFE in the valve body (1) and wrap seat (3) entirely, case (11) are inlayed and are established in PTFE wraps seat (3) entirely, be provided with the perforation on PTFE wraps seat (3) entirely, the perforation is linked together with the opening of water hole, inlet hole (13) and valve gap (2).

6. A canister bottom ball valve according to claim 5, characterized in that: the outer side wall of the PTFE full-wrapping seat (3) is simultaneously abutted against the inner wall of the valve body (1), the side wall of the tank bottom (12) and the side wall of the valve cover (2).

7. A canister bottom ball valve according to claim 5, characterized in that: the valve body (1) is provided with a filling hole (32), the valve rod (31) penetrates out of the filling hole (32) to the outside, and a sealing ring (33) is arranged between the inner wall of the filling hole (32) and the valve rod (31).

8. A canister bottom ball valve according to claim 7, characterized in that: a packing gland (4) used for sealing is arranged between the inner wall of the packing hole (32) and the valve rod (31), threads (41) are arranged on the valve rod (31), and the threads (41) are used for nuts to be screwed on the packing gland (4).