CN215214853U - Combined ball valve with good sealing performance - Google Patents
Combined ball valve with good sealing performance Download PDFInfo
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- CN215214853U CN215214853U CN202121635889.2U CN202121635889U CN215214853U CN 215214853 U CN215214853 U CN 215214853U CN 202121635889 U CN202121635889 U CN 202121635889U CN 215214853 U CN215214853 U CN 215214853U
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Abstract
The utility model discloses a combined ball valve with good sealing performance, which comprises a valve body, a thread bush and a connecting pipe, wherein a valve ball is arranged in the valve body, the valve ball is in running fit with an inner cavity of the valve body, a valve handle is arranged at the upper end of the valve body, a connecting rod is arranged at one end of the valve handle, the lower end of the connecting rod is fixedly connected with the upper end of the valve ball, through holes are arranged at both ends of the valve body, the outer wall of the valve ball is tangent to one side of the through holes, a thread head is arranged at both ends of the valve body, the thread bush is in thread fit with the thread head, a sleeve is arranged in the thread bush, a chute is arranged at the outer side of one end of the sleeve, a ring block is arranged on the inner wall of one end of the thread bush, the ring block is positioned in the chute and is in sliding fit with the chute, one end of the connecting pipe passes through the sleeve, a support ring is arranged at one end of the connecting pipe, the connecting pipe is in interference fit with the sleeve through the support ring, the utility model has reasonable structure, the connecting pipe is connected with the connecting pipe at both ends through threads, when the local damage, can be alone demolish the damage position of mending to reduce the replacement cost.
Description
Technical Field
The utility model relates to a valve field, in particular to combination formula ball valve that leakproofness is good.
Background
The ball valve, the spheroid is driven by the valve rod, and the valve of doing the rotary motion around the ball valve axis. The multi-way ball valve can be used for regulating and controlling fluid, wherein a strong shearing force is generated between a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the surfacing hard alloy, and the multi-way ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.
Most of the existing ball valves are of integrated structures, and the ball valves can be placed to the greatest extent to leak water. However, when the ball valve is damaged, the whole ball valve needs to be disassembled, a new ball valve needs to be installed, and the required materials and the disassembling steps are complex. In view of the above problems, a solution is proposed as follows.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combination formula ball valve that leakproofness is good has and divide into left right triplex in the middle of the ball valve, and it is convenient to dismantle between the three, and only needs to change the damage part, makes the maintenance of ball valve more convenient advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a combined ball valve with good sealing performance comprises a valve body, a thread bush and a connecting pipe, wherein a valve ball is arranged in the valve body, the valve ball is in rotating fit with the inner cavity of the valve body, a water passage is arranged on the valve ball, a valve handle is arranged at the upper end of the valve body, one end of the valve handle is provided with a connecting rod, the lower end of the connecting rod is fixedly connected with the upper end of the valve ball, through holes are arranged at two ends of the valve body, the outer wall of the valve ball is tangent to one side of the through hole, threaded heads are arranged at two ends of the valve body, the threaded sleeve is in threaded fit with the threaded head, a sleeve is arranged in the threaded sleeve, a sliding groove is arranged on the outer side of one end of the sleeve, a ring block is arranged on the inner wall of one end of the threaded sleeve and is positioned in the sliding groove, and the connecting pipe is in sliding fit with the sliding groove, one end of the connecting pipe penetrates through the sleeve, one end of the connecting pipe is provided with a supporting ring, and the connecting pipe is in interference fit with the sleeve through the supporting ring.
Preferably, the two ends of the valve body are both provided with connecting rings, one side of each connecting ring is provided with a plurality of slots, one end of each connecting pipe is provided with a plurality of inserting blocks, and the inserting blocks are respectively matched with the slots in an inserting mode.
Preferably, the inner edge of the connecting ring is provided with a plurality of saw teeth, and the saw teeth are fixed around the inner wall of the connecting ring.
Preferably, one side of the connection ring is provided with a gasket having elasticity.
Preferably, the upper end of the valve body is provided with a sleeve, and one end of the connecting rod penetrates through the sleeve and is in running fit with the sleeve.
Preferably, a stop block is fixedly arranged on one side of the sleeve, a stop block is fixedly arranged on the valve handle, and the stop block is matched with the stop block.
The utility model has the advantages that: the connecting pipes at two ends of the valve body are in threaded connection with the valve body through the threaded sleeves, the external pipeline is connected with the threaded sleeves, when the valve body or the connecting pipes are damaged, the threaded sleeves are rotated to move along the sleeve until the threaded sleeves are completely separated from the threaded heads at two ends of the valve body, at the moment, two independent components are arranged between the connecting pipes and the valve body, if the connecting pipes are damaged, the connecting pipes at the damaged parts are only required to be separated from the valve body, then the connecting pipes and the external pipeline are cut off, the damaged connecting pipes are replaced and connected with the external pipeline, finally one ends of the connecting pipes are tightly abutted against and fixed with the connecting rings at one end of the valve body through the threaded sleeves, and the connecting pipes are maintained; if the valve body appears damaging, then all with the connecting pipe separation of valve body both ends, later with on connecting it to new valve body through the thread bush, accomplish the change to the valve body.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a sectional view of the embodiment;
fig. 3 is an enlarged view of region a in fig. 2.
Reference numerals: 1. a valve body; 2. a threaded sleeve; 3. a connecting pipe; 4. a valve bead; 5. a valve handle; 6. a connecting rod; 7. a screw head; 8. a sleeve; 9. a chute; 10. a ring block; 11. a support ring; 12. a connecting ring; 13. inserting a block; 14. a gasket; 15. a sleeve; 16. a stopper; 17. and a stop block.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 3, a combined ball valve with good sealing performance comprises a valve body 1, a threaded sleeve 2 and a connecting pipe 3. The connecting pipes 3 are respectively fixed at two ends of the valve body 1 and fixed through the thread sleeves 2. Both ends of valve body 1 all set firmly screw thread head 7, pass through threaded connection between thread bush 2 and the screw thread head 7.
One side of the thread bush 2 is provided with a sleeve 8, the outer surface of one end of the sleeve 8 close to the thread bush 2 is provided with a sliding groove 9, the inner wall of one end of the thread bush 2 is provided with a ring block 10, and the ring block 10 is positioned in the sliding groove 9 and is in sliding fit with the sliding groove 9. The outer side of the sleeve 8 and the ring groove are both circular, and the ring block 10 can rotate in the sliding groove 9. After one end of the connecting pipe 3 is abutted to one end of the valve body 1, one end of the threaded sleeve 2 is sleeved on the threaded head 7, the threaded sleeve 2 is rotated, and the threaded sleeve 2 can be in threaded connection with the threaded head 7. And moves to a position close to the screw head 7 while rotating until the ring block 10 moves to one end of the sliding chute 9 and is abutted against the side wall of the sliding chute 9. At this time, the threaded sleeve 2 and the threaded head 7 are also completely matched, and the connecting pipe 3 is fixed.
One end of connecting pipe 3 is equipped with and supports ring 11, and when the one end of connecting pipe 3 inserted in sleeve pipe 8, support ring 11 and can block in the one end of sleeve pipe 8, with 8 interference fit of sleeve pipe, when connecting pipe 3 was fixed through thread bush 2 and valve body 1, sleeve pipe 8 can apply pressure to one side of supporting ring 11, made to support ring 11 and closely laminate with one side of valve body 1 to prevent that the rivers that pass through from taking place to leak.
Both ends of the valve body 1 are provided with connecting rings 12, one side of each connecting ring 12 is provided with a plurality of slots, one end of each connecting pipe 3 is provided with a plurality of inserting blocks 13, and the inserting blocks 13 are respectively matched with the slots in an inserting mode. When connecting the valve body 1 and the connecting pipe 3, the plurality of insertion blocks 13 on one side of the connecting pipe 3 are inserted into the insertion grooves of the connecting ring 12. Then the threaded sleeve 2 is rotated to fix the connecting pipe 3 and the valve body 1. The plurality of the insertion blocks 13 can prevent the connecting pipe 3 and the valve body 1 from moving, so that the connecting pipe 3 can be better attached to the connecting ring 12.
The inner edge of the connection ring 12 is provided with a number of serrations which increase the pressure resistance of the connection ring 12, and water flows from the inside of the valve body 1 into the connection ring 12 and finally from the connection ring 12 to the connection pipe 3. The width in go-between 12 inner chamber space is greater than the diameter of 1 both ends through-hole of valve body, and rivers can enter into a wider space after flowing out in the valve body 1, therefore rivers can disperse, reduce the pressure to go-between 12 inside, and the compressive capacity that the inner wall of cockscomb structure brought in addition can strengthen the life of go-between 12.
One side of the connecting ring 12 is provided with a sealing gasket 14, the sealing gasket 14 has elasticity, the sealing gasket 14 is positioned between the connecting ring 12 and the connecting pipe 3, when the connecting pipe 3 is close to the connecting ring 12, the side wall of the connecting pipe 3 can be attached to one side of the sealing gasket 14, after the threaded sleeve 2 is gradually connected with the threaded head 7, the connecting pipe 3 can also apply pressure to the sealing gasket 14, and the sealing gasket 14 is gradually squeezed until the threaded sleeve 2 is completely connected with the threaded pipe. At this time, the gasket 14 is pressed by the connection pipe 3 and the connection ring 12 due to its elasticity, and one side of the gasket 14 is tightly attached to one end of the connection pipe 3, thereby preventing water leakage. At the position where the slot is provided, the sealing gasket 14 also has a corresponding opening, which does not prevent the insertion block 13 from being matched with the slot. The elasticity of the gasket 14 itself makes it possible to disregard irregularities on the side walls of the connection ring 12 and the connection pipe 3, thereby preventing the leakage of water from the junction of the connection pipe 3 and the connection ring 12.
The valve body 1 is internally provided with a valve bead 4, and the valve bead 4 is in running fit with the inner cavity of the valve body 1. The upper end of valve body 1 is equipped with sleeve 15, is equipped with connecting rod 6 in the sleeve 15, normal running fit between connecting rod 6 and the sleeve 15, the lower extreme of connecting rod 6 and the upper end fixed connection of valve pearl 4. The connecting rod 6 is connected with a valve handle 5 at the position above the sleeve 15, and the valve handle 5 is perpendicular to the connecting rod 6. The valve handle 5 is rotated, the valve handle 5 drives the connecting rod 6 to rotate, so that the lower end of the connecting rod 6 drives the valve ball 4 to rotate.
The valve ball 4 is provided with a water passage, the two ends of the valve body 1 are provided with through holes, when the valve handle 5 drives the valve ball 4 to rotate, so that the two ends of the water passage on the valve ball 4 are respectively communicated with the through holes at the two ends of the valve body 1, water flow can flow into the valve body 1 from the connecting pipe 3 at one end of the valve body 1 and flow out from the connecting pipe 3 at the other end of the valve body 1, and at the moment, the valve body 1 is in an open state. When the water passage on the valve ball 4 rotates to the position vertical to the valve body 1, the through holes at the two ends of the valve body 1 are blocked by the side wall of the valve ball 4 because the valve ball 4 is tangent to the through holes, water flow cannot pass through the through holes, and the valve body 1 is in a closed state at the moment.
One side of sleeve 15 sets firmly dog 16, has set firmly on the valve handle 5 and has stopped position piece 17, and when the closed condition of valve body 1, the direction of valve handle 5 is unanimous with the direction of valve body 1, is the initial position of valve handle 5 this moment, and later valve handle 5 can rotate to clockwise or anticlockwise, and after valve handle 5 rotated ninety degrees to a direction, stopped position piece 17 can offset with dog 16, makes the valve can't continue to rotate along this direction. When the stop block 17 is abutted against the stop block 16, the channel on the valve ball 4 is communicated with the through holes at the two ends of the valve body 1.
The working principle is as follows: install connecting pipe 3 in the both sides of valve body 1, the inserted block 13 of connecting pipe 3 one end inserts in the slot, the one end and the sealed 14 of connecting pipe 3 offset, later rotate thread bush 2, make thread bush 2 move gradually on screw thread head 7, after screw bush 2 moved completely on screw thread head 7, the inboard ring block 10 of thread bush 2 can support the one end at spout 9, and exert a power that is close to valve body 1 to sleeve pipe 8, sleeve pipe 8 transmits this power to supporting on the ring 11, and finally transmit on connecting pipe 3, make the one end of connecting pipe 3 closely offset with sealed 14, prevent to take place to leak between connecting pipe 3 and the go-between 12.
When the ball valve takes place to damage, judge the position of damage earlier, if connecting pipe 3 takes place to damage, rotate earlier thread bush 2, make thread bush 2 and thread head 7 separate completely, later can cut connecting pipe 3 and external pipeline, take out it from sleeve pipe 8 to change new connecting pipe 3, later be connected thread bush 2 and thread head 7 again, realize the change to the connecting pipe 3 of damage.
When the valve body 1 is damaged, the thread sleeves 2 at the two ends of the valve body 1 need to be taken down, the damaged valve body 1 needs to be replaced, and finally the two thread sleeves 2 are connected to the two ends of the new valve body 1 respectively to complete the replacement of the valve body 1.
This product can reduce the part cost of changing when the ball valve damages when using, and it is convenient to change. A sealing gasket 14 is also arranged at the joint of the connecting pipe 3 and the valve body 1, so that the ball valve has good sealing property.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A combined ball valve with good sealing performance comprises a valve body (1), a threaded sleeve (2) and a connecting pipe (3), and is characterized in that a valve ball (4) is arranged in the valve body (1), the valve ball (4) is in running fit with an inner cavity of the valve body (1), a water passage is formed in the valve ball (4), a valve handle (5) is arranged at the upper end of the valve body (1), a connecting rod (6) is arranged at one end of the valve handle (5), the lower end of the connecting rod (6) is fixedly connected with the upper end of the valve ball (4), through holes are formed in two ends of the valve body (1), the outer wall of the valve ball (4) is tangent to one side of the through holes, threaded heads (7) are arranged at two ends of the valve body (1), the threaded sleeve (2) is in threaded fit with the threaded heads (7), a sleeve (8) is arranged in the threaded sleeve (2), and a sliding groove (9) is formed in the outer side of one end of the sleeve (8), be equipped with ring piece (10) on the inner wall of thread bush (2) one end, ring piece (10) are located spout (9), and with spout (9) sliding fit, sleeve pipe (8) are passed to the one end of connecting pipe (3), the one end of connecting pipe (3) is equipped with and supports ring (11), connecting pipe (3) are connected with sleeve pipe (8) interference through supporting ring (11).
2. The combined ball valve with good sealing performance according to claim 1, wherein the two ends of the valve body (1) are provided with connecting rings (12), one side of each connecting ring (12) is provided with a plurality of slots, one end of the connecting pipe (3) is provided with a plurality of inserting blocks (13), and the inserting blocks (13) are respectively matched with the slots in an inserting manner.
3. A combined ball valve with good sealing performance as claimed in claim 2, wherein the inner edge of the connecting ring (12) is provided with a plurality of saw teeth, and a plurality of saw teeth are fixed around the inner wall of the connecting ring (12).
4. A combined ball valve with good sealing performance according to claim 3, wherein a sealing gasket (14) is provided on one side of the connection ring (12), and the sealing gasket (14) has elasticity.
5. A combined ball valve with good sealing performance according to claim 1, wherein the upper end of the valve body (1) is provided with a sleeve (15), and one end of the connecting rod (6) passes through the sleeve (15) and is rotatably matched with the sleeve (15).
6. The combined ball valve with good sealing performance according to claim 5, wherein a stop block (16) is fixedly arranged on one side of the sleeve (15), a stop block (17) is fixedly arranged on the valve handle (5), and the stop block (17) is matched with the stop block (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121635889.2U CN215214853U (en) | 2021-07-19 | 2021-07-19 | Combined ball valve with good sealing performance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121635889.2U CN215214853U (en) | 2021-07-19 | 2021-07-19 | Combined ball valve with good sealing performance |
Publications (1)
Publication Number | Publication Date |
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CN215214853U true CN215214853U (en) | 2021-12-17 |
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ID=79427794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121635889.2U Active CN215214853U (en) | 2021-07-19 | 2021-07-19 | Combined ball valve with good sealing performance |
Country Status (1)
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CN (1) | CN215214853U (en) |
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2021
- 2021-07-19 CN CN202121635889.2U patent/CN215214853U/en active Active
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