CN211693621U - Ball valve with good sealing performance - Google Patents

Ball valve with good sealing performance Download PDF

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Publication number
CN211693621U
CN211693621U CN201921537258.XU CN201921537258U CN211693621U CN 211693621 U CN211693621 U CN 211693621U CN 201921537258 U CN201921537258 U CN 201921537258U CN 211693621 U CN211693621 U CN 211693621U
Authority
CN
China
Prior art keywords
valve
rod
threaded hole
hole
threaded
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.)
Expired - Fee Related
Application number
CN201921537258.XU
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Chinese (zh)
Inventor
卓五金
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.)
Zhejiang Guilong Valve Manufacturing Co Ltd
Original Assignee
Zhejiang Guilong Valve Manufacturing 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 Zhejiang Guilong Valve Manufacturing Co Ltd filed Critical Zhejiang Guilong Valve Manufacturing Co Ltd
Priority to CN201921537258.XU priority Critical patent/CN211693621U/en
Application granted granted Critical
Publication of CN211693621U publication Critical patent/CN211693621U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a ball valve sealing mechanism and locking mechanism two parts that the leakproofness is good. The sealing mechanism is characterized in that a valve body is fixedly connected with a stuffing box through a bolt, a valve seat is provided with a through hole, a pushing block is arranged at one side of a pushing rod, and a hard sealing ring is arranged at the position, close to the pushing rod, of a ball body; the locking mechanism is characterized in that a valve rod is sleeved with a rubber ring, the rubber ring is sleeved with a locking disc, the locking disc is provided with a threaded hole, and the threaded hole is fixedly connected with a threaded rod arranged on the handle; this ball valve that leakproofness is good passes through rubber circle and stuffing box and is first heavily sealed, stuffing box and the second of valve body are sealed again, hard sealing washer is the third and is sealed again, the effectual various medium of adaptation of the ball valve that triple seal made and reach and not reveal, simple mechanical structure can prolong ball valve life, threaded rod and the screw hole fixed connection of setting at the locking dish on through the handle, the effectual fixing that has carried out, avoid leading to the handle position to change the revealing that causes at the in-process that uses.

Description

Ball valve with good sealing performance
Technical Field
The utility model relates to a ball valve technical field specifically is a ball valve that leakproofness is good.
Background
The ball valve, including valve body and setting spheroid and the disk seat in the valve body, the fluid purpose can be realized to the rotatory valve rod of in-process that the ball valve used, and manual rotation often can't control the fluidic flow volume in the valve body, leads to fluid flow velocity too fast or slow, is unfavorable for production, and the ball valve is in the use, because external collision leads to the valve rod to rotate easily to change fluid flow velocity, cause the damage to equipment. The existing ball valve seat has insufficient sealing performance, and particularly, the existing ball valve seat is easy to leak when the pressure of a medium is increased or the existing ball valve seat is used for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ball valve that leakproofness is good to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a ball valve with good sealing performance comprises a handle, wherein the handle is arranged on one side of a valve rod, the handle is provided with a threaded rod, a rotating block is arranged on one side of the threaded rod, a first spring is sleeved at a position, close to the rotating block, of the threaded rod, the threaded rod is provided with a limiting block, the valve rod is sleeved with a rubber ring, the rubber ring is sleeved with a locking disc, the locking disc is provided with a threaded hole, the threaded hole is fixedly connected with the threaded rod, a first fixing threaded hole is formed in the position, close to the threaded hole, of the locking disc, the locking disc is matched with a first bolt through the first fixing threaded hole to fixedly connect a packing box, a second fixing threaded hole is formed in the position, close to the first fixing threaded hole, of the packing box, the packing box is sleeved with the valve rod, the packing box is provided with a, the valve body is close to third fixed thread hole department and is provided with fourth fixed thread hole, the valve body cup joints with the valve rod, be provided with the spheroid in the valve body, spheroid welding valve rod, be provided with the disk seat in the valve body, the disk seat is provided with the through-hole, be provided with in the through-hole and promote the piece, it sets up in catch bar one side to promote the piece, the catch bar cup joints the second spring, the spheroid is close to the catch bar opposite side and is provided with the hard seal circle, the through-hole intercommunication has the branch road hole, the downthehole reverse action piece that is provided with of branch road, the downthe.
Preferably, rotatory piece is provided with anti-skidding line and threaded rod and rotatory piece integrated into one piece, and threaded rod between rotatory piece and the handle is cup jointed to first spring.
Preferably, the locking plate is provided with a plurality of threaded holes, and the threaded holes are distributed on the locking plate at equal intervals according to a certain angle.
Preferably, the locking disc is fixedly connected with the stuffing box through the first bolt, the first fixing threaded hole and the second fixing threaded hole in a matched mode, and the stuffing box is fixedly connected with the valve body through the second bolt, the third fixing threaded hole and the fourth fixing threaded hole in a matched mode.
Preferably, the hard sealing rings are arranged in two parts, and the parts are respectively arranged at the upper side and the lower side of the ball body.
Preferably, two reverse action blocks and two pressure springs are arranged in the valve seat branch holes at a certain distance, and the reverse action blocks and the pressure springs are distributed in each valve seat branch hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this ball valve that leakproofness is good passes through the rubber circle and is first heavy sealed with the gland packing, the gland packing is heavy sealed with the valve body second, hard sealing washer is the third, medium and pressure effect are on the promotion piece in the through-hole when the ball valve is closed, it compresses tightly hard sealing washer to the spheroid to promote the piece, reach sealed effect, medium and pressure also are used in the downthehole reverse action piece of branch road simultaneously, the pressure spring counteracts in the reverse action piece and acts on the disk seat, and then the disk seat further effectively seals with the cooperation of hard sealing washer, the effectual various medium of adaptation of ball valve that triple seal made reaches and does not reveal.
2. This ball valve that leakproofness is good passes through threaded rod on the handle and sets up the screw hole fixed connection at the locking dish, and is effectual fixed, avoids changing because external factors lead to the valve rod position at the in-process that uses to influence the condition of fluid speed and consequently the medium that can cause reveals, improved the safety in utilization of ball valve, satisfy people's demand.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure.
Fig. 3 is an enlarged view of fig. 2 at B.
Fig. 4 is an enlarged view of a portion a in fig. 2.
FIG. 5 is an enlarged view of the structure inside the branched hole.
In the figure: 1 stuffing box, 2 locking discs, 3 rubber rings, 4 handles, 5 valve bodies, 6 valve rods, 7 spheres, 8 hard sealing rings, 9 through holes, 10 valve seats, 11 branch holes, 12 pushing blocks, 13 reverse action blocks, 14 pressure springs, 15 first bolts, 16 first fixing threaded holes, 17 second fixing threaded holes, 18 fourth fixing threaded holes, 19 second bolts, 20 threaded holes, 21 limiting blocks, 22 threaded rods, 23 first springs, 24 rotating blocks, 25 pushing rods, 26 second springs and 27 third fixing threaded holes
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.
Referring to fig. 1-5, the present invention provides a technical solution: a ball valve with good sealing performance comprises a handle 4, the handle 4 is arranged on one side of a valve rod 6, the handle 4 is provided with a threaded rod 22, one side of the threaded rod 22 is provided with a rotating block 24, the threaded rod 22 is sleeved with a first spring 23 near the rotating block 24, the rotating block 24 is provided with anti-skidding threads, the threaded rod 22 and the rotating block 24 are integrally formed, the first spring 23 is sleeved with the threaded rod 22 between the rotating block 24 and the handle 4, the threaded rod 22 is provided with a limiting block 21, the valve rod 6 is sleeved with a rubber ring 3, the rubber ring 3 is sleeved with a locking disc 2, the locking disc 2 is provided with a threaded hole 20, the locking disc 2 is provided with a plurality of threaded holes 20, the threaded holes 20 are distributed on the locking disc 2 at equal intervals according to a certain angle, the threaded holes 20 are fixedly connected with the threaded rod 22, the locking disc 2 is provided with a first fixed threaded hole 16 near the threaded, the stuffing box 1 is provided with a second fixed threaded hole 17 near the first fixed threaded hole 16, the locking disc 2 is fixedly connected with the stuffing box 1 through the first bolt 15 in cooperation with the first fixed threaded hole 16 and the second fixed threaded hole 17, the stuffing box 1 is effectively fixed through the threaded rod 22 on the handle 4 in fixed connection with the threaded hole 20 arranged on the locking disc 2, the change of the position of the valve rod 6 caused by external factors in the using process is avoided, thereby influencing the fluid speed and causing medium leakage, the use safety of the ball valve is improved, the requirements of people are met, the stuffing box 1 is sleeved with the valve rod 6, the stuffing box 1 is provided with a third fixed threaded hole 27, the stuffing box 1 is fixedly connected with the valve body 5 through the third fixed threaded hole 27 in cooperation with the second bolt 19, the valve body 5 is provided with a fourth fixed threaded hole 18 near the third fixed threaded hole 27, the stuffing box 1 is fixedly connected with the valve body 5 through the second bolt 19, the third fixing threaded hole 27 and the fourth fixing threaded hole 18 in a matched mode. The valve body 5 is sleeved with the valve rod 6, a ball body 7 is arranged in the valve body 5, the ball body 7 is welded with the valve rod 6, a valve seat 10 is arranged in the valve body 5, a through hole 9 is arranged on the valve seat 10, a pushing block 12 is arranged in the through hole 9, the pushing block 12 is arranged on one side of a pushing rod 25, the pushing rod 25 is sleeved with a second spring 26, a hard sealing ring 8 is arranged on the other side, close to the pushing rod 25, of the ball body 7, two hard sealing rings 8 are arranged and are distributed on the upper side and the lower side of the ball body 7, a branch hole 11 is communicated with the through hole 9, a reverse action block 13 is arranged in the branch hole 11, a pressure spring 14 is arranged in the branch hole 11 and close to the reverse action block 13, two reverse action blocks 13 and two pressure springs 14 are arranged in a certain distance in the branch hole 11 of the valve seat 10, the reverse action block 13, hard sealing washer 8 is the third and is sealed again, medium and pressure effect when the ball valve is closed on the promotion piece 12 in through-hole 9, promote piece 12 and compress tightly hard sealing washer 8 to spheroid 7, reach sealed effect, medium and pressure also are used in the reverse action piece 13 in branch road hole 11 simultaneously, pressure spring 14 counteracts on reverse action piece 13 and acts on disk seat 10, and then disk seat 10 further effectively seals with the 8 cooperation of hard sealing washer, the effectual various medium of adaptation of ball valve that triple seal made reaches and does not reveal.
When the ball valve is used, the handle 4 is pushed to close the threaded hole 20, the rotating block 24 drives the threaded rod 22 to be fixedly connected with the threaded hole 24, the valve rod 6 is driven to rotate, the ball valve is closed, medium and pressure act on the pushing block 12 in the through hole 9, the pushing block 12 compresses the hard sealing ring 8 to a ball body, the medium and the pressure also act on the reverse action block 13 in the branch hole 11, the pressure spring 14 reacts on the reverse action block 13 and acts on the valve seat 10, and the valve seat 10 compresses the hard sealing ring 8 and the ball body 6.
In conclusion, the ball valve with good sealing performance is sealed with the stuffing box 1 through the rubber ring 3 in a first-weight mode, the stuffing box 1 is sealed with the valve body 5 in a second-weight mode, the hard sealing ring 8 is sealed in a third-weight mode, when the ball valve is closed, media and pressure act on the pushing block 12 in the through hole 9, the pushing block 12 presses the hard sealing ring 8 to the ball body 7 to achieve the sealing effect, the media and the pressure also act on the reverse action block 13 in the branch hole 11, the pressure spring 14 acts on the reverse action block 13 and acts on the valve seat 10 in a reverse action mode, the valve seat 10 is matched with the hard sealing ring 8 to further effectively seal, the ball valve is effectively adaptive to various media to achieve non-leakage, the threaded rod 22 on the handle 4 is fixedly connected with the threaded hole 20 arranged on the locking disc 2 to effectively fix the ball valve, and the situation that the position of the valve rod 6 is, thereby influence the condition of fluid speed and the medium that consequently can cause reveals, improved the safety in utilization of ball valve, satisfy people's demand.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a ball valve that leakproofness is good, includes handle (4), its characterized in that: the packing box is characterized in that the handle (4) is arranged on one side of the valve rod (6), a threaded rod (22) is arranged on the handle (4), a rotating block (24) is arranged on one side of the threaded rod (22), a first spring (23) is sleeved on the position, close to the rotating block (24), of the threaded rod (22), a limiting block (21) is arranged on the threaded rod (22), the valve rod (6) is sleeved with the rubber ring (3), the rubber ring (3) is sleeved with the locking disc (2), the locking disc (2) is provided with a threaded hole (20), the threaded hole (20) is fixedly connected with the threaded rod (22), a first fixed threaded hole (16) is arranged on the position, close to the threaded hole (20), of the locking disc (2), the packing box (1) is fixedly connected with the first bolt (15) through the first fixed threaded hole (16), and a second fixed threaded hole (17) is arranged on the position, close to the first fixed threaded hole (16), the packing box (1) is sleeved with the valve rod (6), the packing box (1) is provided with a third fixed threaded hole (27), the packing box (1) is fixedly connected with the valve body (5) through the third fixed threaded hole (27) and a second bolt (19) in a matched mode, a fourth fixed threaded hole (18) is formed in the position, close to the third fixed threaded hole (27), of the valve body (5), the valve body (5) is sleeved with the valve rod (6), a ball body (7) is arranged in the valve body (5), the valve rod (6) is welded to the ball body (7), a valve seat (10) is arranged in the valve body (5), a through hole (9) is formed in the valve seat (10), a pushing block (12) is arranged in the through hole (9), the pushing block (12) is arranged on one side of a pushing rod (25), the pushing rod (25) is sleeved with a second spring (26), a hard sealing ring (8) is arranged on the other side, the through hole (9) is communicated with a branch hole (11), a reverse action block (13) is arranged in the branch hole (11), and a pressure spring (14) is arranged in the branch hole (11) and close to the reverse action block (13).
2. The ball valve with good sealing performance as claimed in claim 1, wherein: rotatory piece (24) are provided with anti-skidding line, and threaded rod (22) and rotatory piece (24) integrated into one piece, and threaded rod (22) between rotatory piece (24) and handle (4) are cup jointed in first spring (23).
3. The ball valve with good sealing performance as claimed in claim 1, wherein: the locking plate (2) is provided with a plurality of threaded holes (20), and the threaded holes (20) are distributed on the locking plate (2) at equal intervals according to a certain angle.
4. The ball valve with good sealing performance as claimed in claim 1, wherein: the locking disc (2) is matched with the first fixing threaded hole (16) and the second fixing threaded hole (17) through the first bolt (15) to be fixedly connected with the stuffing box (1), and the stuffing box (1) is matched with the third fixing threaded hole (27) and the fourth fixing threaded hole (18) to be fixedly connected with the valve body (5) through the second bolt (19).
5. The ball valve with good sealing performance as claimed in claim 1, wherein: the hard sealing rings (8) are arranged in two parts and are respectively arranged at the upper side and the lower side of the ball body (7).
6. The ball valve with good sealing performance as claimed in claim 1, wherein: two reverse action blocks (13) and two pressure springs (14) in the branch holes (11) of the valve seat (10) are arranged at a certain distance, and the reverse action blocks (13) and the pressure springs (14) are distributed in the branch holes (11) of each valve seat (10).
CN201921537258.XU 2019-09-16 2019-09-16 Ball valve with good sealing performance Expired - Fee Related CN211693621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921537258.XU CN211693621U (en) 2019-09-16 2019-09-16 Ball valve with good sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921537258.XU CN211693621U (en) 2019-09-16 2019-09-16 Ball valve with good sealing performance

Publications (1)

Publication Number Publication Date
CN211693621U true CN211693621U (en) 2020-10-16

Family

ID=72769684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921537258.XU Expired - Fee Related CN211693621U (en) 2019-09-16 2019-09-16 Ball valve with good sealing performance

Country Status (1)

Country Link
CN (1) CN211693621U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112324985A (en) * 2020-11-25 2021-02-05 江苏博特威流体科技有限公司 High valve that has frostproofing function of security performance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112324985A (en) * 2020-11-25 2021-02-05 江苏博特威流体科技有限公司 High valve that has frostproofing function of security performance

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201016