CN114321432B - Prevent leaking self sealss ball valve - Google Patents

Prevent leaking self sealss ball valve Download PDF

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Publication number
CN114321432B
CN114321432B CN202210202887.7A CN202210202887A CN114321432B CN 114321432 B CN114321432 B CN 114321432B CN 202210202887 A CN202210202887 A CN 202210202887A CN 114321432 B CN114321432 B CN 114321432B
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China
Prior art keywords
sealing
piece
valve
opening
guide rod
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CN202210202887.7A
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CN114321432A (en
Inventor
林阿龙
梁荣
张志亮
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Shandong Tiancheng Valve Manufacturing Co ltd
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Shandong Tiancheng Valve Manufacturing Co ltd
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Abstract

The invention discloses a leakage-proof self-sealing ball valve, and relates to the technical field of ball valves. Including the valve body, the disk seat, the piece opens and shuts, the valve member, first sealing member and second sealing member that the valve body set up including the symmetry, the disk seat both sides all are provided with the connecting pipe, the business turn over hole has been seted up to the valve body upper end, swing joint has the piece of opening and shutting in the valve body, the piece upside that opens and shuts is connected with the valve member, the swing joint of business turn over hole department has the piece of opening and shutting, the equal swing joint in opening and shutting both sides has the latch fitting, first guide arm cover is equipped with first spring, the latch fitting downside is provided with the locking piece, the latch fitting has the connecting plate through locking piece activity joint, the connecting pipe upside is provided with the sealing member, insert after the sealing member runs through the sealing member and be equipped with the closing plate, sealing member one side is connected with the extension board, the extension board runs through and is provided with the second guide arm. The invention realizes the effect of quickly blocking leakage when the opening and closing piece in the valve body is replaced by the matching work of the opening and closing piece, the locking piece and the sealing plate.

Description

Prevent leaking self sealss ball valve
Technical Field
The invention belongs to the technical field of ball valve devices, and particularly relates to a leakage-proof self-sealing ball valve.
Background
The ball valve has the action of rotating 90 degrees, the cock body is the spheroid, there is circular through-hole or passageway through its axis, the ball valve mainly is used for cutting off in the pipeline, the flow direction of distribution and change medium, the ball valve is the most commonly used valve, the ball valve adopts all soft seal structure usually, this kind of ball valve seal reliability is poor, fluid in the medium gets into the upper portion of valve rod very easily, lead to the valve rod easy wear, the life of ball valve has been shortened, and the cock body rotates for a long time and the valve body rubs easy wearing and tearing, the sealed not tight condition can appear after using a period.
The Chinese patent with the publication number of CN111425617A discloses a sealed and leak-proof ball valve, and more specifically a sealed and leak-proof ball valve, which comprises an inlet valve body, an outlet valve body, a ball valve, valve seats, a first sealing element, a second sealing element, a spring and a valve rod control mechanism, wherein the valve seats are installed in the inlet valve body and the outlet valve body, the ball valve is installed in the two valve seats, the first sealing element which is in abutting fit with the ball valve is installed at one end of the valve seat close to the ball valve, the second sealing element is installed at the other end of the valve seat, the end part of the spring is in abutting fit with one side of the second sealing element, the valve rod control mechanism is also provided with the valve rod control mechanism, the valve rod control mechanism is provided with a connecting seat, a valve rod shaft, a shaft sleeve and an X-shaped sealing element, the shaft sleeve is sleeved outside the valve rod shaft, and an X-shaped sealing element is arranged between the bottom of the shaft sleeve and the connecting seat, the bottom of the valve rod shaft is connected with the ball valve, the handle is installed at the top of the valve rod shaft, multiple sealing can be achieved through the technical scheme, the sealing performance of the valve can be improved, and the service life of a product is prolonged.
The technical scheme also has the following problems:
1. when the opening and closing part is worn to cause leakage, the leakage cannot be blocked quickly;
2. when the ball valve leaks, the ball valve can only be integrally replaced, and not only is the operation complicated, but also the cost is higher.
Disclosure of Invention
Aiming at the problems, the invention provides a leakage-proof self-sealing ball valve, which solves the problems that the existing ball valve device can not quickly block leakage, and has complex replacement operation and high cost.
The technical scheme for solving the technical problems is as follows: the valve comprises a valve body, a valve seat, an opening and closing piece and a valve rod piece, wherein the valve body comprises a first sealing piece and a second sealing piece which are symmetrically arranged, the first sealing piece and the second sealing piece are movably connected through a force application component, connecting pipes are arranged on two sides of the valve seat respectively, the first sealing piece and the second sealing piece are respectively in sliding connection with the connecting pipes, an inlet and outlet hole is formed in the upper end of the valve body, the opening and closing piece is movably connected in the valve body, the upper side of the opening and closing piece is connected with the valve rod piece, the opening and outlet hole is movably connected with the opening and closing piece, two sides of the opening and closing piece are movably connected with a locking piece, the locking piece is movably connected with the valve seat through a first guide rod, the first guide rod is in sliding connection with the valve seat, a first spring is sleeved on the first guide rod, a locking piece is arranged on the lower side of the locking piece, the locking piece is movably clamped with a connecting plate, and a clamping groove matched with the locking piece is formed in the connecting plate, the connecting pipe is characterized in that a sealing block is arranged on the upper side of the connecting pipe, a sealing plate is inserted in the sealing block and is in sliding connection with the sealing block, the sealing plate penetrates through the sealing block and is inserted in the connecting pipe, a supporting plate is connected to one side of the sealing block, a second guide rod penetrates through the supporting plate and is connected with the supporting plate in a sliding mode, the upper end of the second guide rod is connected with the connecting plate, a second spring is sleeved on the second guide rod, and the second spring is located on the lower side of the supporting plate.
Further, the force application assembly comprises third guide rods and third springs, the third guide rods are connected to one side of the first sealing element and one side of the second sealing element, the two third guide rods are symmetrically arranged, the third guide rods penetrate through the valve seat and are in sliding connection with the valve seat, and the third springs are sleeved on the third guide rods.
Further, sealing block one side is connected with support piece, latch fitting and support piece sliding connection, the last motor of installing of support piece, support piece rotates and is connected with the dwang, motor output shaft and dwang coaxial coupling, the dwang cover is equipped with the gear, gear engagement has the rack, rack and support piece sliding connection, the rack upper end is connected with ejection piece, ejection piece and valve rod spare swing joint.
Further, the upper side of the valve seat is connected with a support, a limiting groove is formed in the inner side of the support, and the opening and closing piece is connected with the support in a sliding mode through the limiting groove.
Further, a sealing material is arranged at the joint of the first sealing element and the second sealing element.
Further, a sealing material is arranged at the joint of the access hole and the opening and closing member.
The invention has the beneficial effects that:
(1) the invention realizes the effect of quickly blocking leakage when the opening and closing piece in the valve body is replaced by the matching work of the opening and closing piece, the locking piece and the sealing plate.
(2) The invention has the advantages that the replacement of the opening and closing piece is convenient through the arranged separable valve body, the operation is simple, convenient and quick, and the maintenance cost is saved.
(3) The first sealing element and the second sealing element are tightly combined through the arranged force application assembly, so that the leakage at the joint of the first sealing element and the second sealing element is prevented.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a valve seat of the present invention.
Fig. 3 is a schematic view of the interior of the valve body of the present invention.
Fig. 4 is a first schematic view of the opening member of the present invention.
Fig. 5 is a schematic diagram of the overall structure of the present invention.
Fig. 6 is an enlarged view at a in fig. 5.
Fig. 7 is a second schematic view of the opening member of the present invention.
Fig. 8 is a schematic view of the seal plate of the present invention.
Fig. 9 is an enlarged view at B in fig. 8.
Fig. 10 is a schematic view of the ejector of the present invention.
Reference numerals: 1. a valve body; 101. a first seal member; 102. a second seal member; 2. a valve seat; 3. an opening and closing member; 4. a valve stem member; 5. a connecting pipe; 6. an inlet and outlet hole; 7. opening and closing the piece; 8. a lock; 9. a first guide bar; 10. a first spring; 11. a locking block; 12. a connecting plate; 13. a card slot; 14. a sealing block; 15. a support plate; 16. a second guide bar; 17. a second spring; 18. a force application assembly; 181. a third guide bar; 182. a third spring; 19. a support member; 20. a motor; 21. rotating the rod; 22. a gear; 23. a rack; 24. pushing the ejection piece; 25. a support; 26. a limiting groove; 27. and (7) sealing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, and 8, the anti-leakage self-sealing ball valve provided in this embodiment includes a valve body 1, a valve seat 2, an opening/closing member 3, and a valve rod member 4, where the valve body 1 includes a first sealing member 101 and a second sealing member 102 symmetrically disposed, the first sealing member 101 and the second sealing member 102 are movably connected through a force application assembly 18, the disposed force application assembly 18 provides an acting force to the first sealing member 101 and the second sealing member 102 to enable the first sealing member 101 and the second sealing member 102 to be tightly abutted, two sides of the valve seat 2 are both provided with a connecting pipe 5, the first sealing member 101 and the second sealing member 102 are respectively slidably connected with the connecting pipe 5, and meanwhile, the first sealing member 101 and the second sealing member 102 need to have good sealing performance, an access hole 6 is formed at an upper end of the valve body 1, the opening/closing member 3 is movably connected in the valve body 1, the upper side of the opening/closing member 3 is connected with the valve rod member 4, the first sealing element 101 and the second sealing element 102 are arranged to be separated, when the sealing performance is deteriorated due to the abrasion of the opening and closing element 3, the opening and closing element 3 can be conveniently taken out and replaced, the effects of saving cost and quick maintenance are achieved, the opening and closing element 7 is movably connected with the inlet and outlet hole 6, the locking elements 8 are movably connected with two sides of the opening and closing element 7, in the embodiment, the opening and closing element 7 is composed of two parts which are symmetrically arranged, the specific shape is not limited, the opening and closing element 7 is used for realizing the separation to move towards two sides and pushing the locking elements 8 to move when the opening and closing element 3 is upwards taken out, the inclined plane in the opening and closing element 7 is arranged and matched with the opening and closing element 3 for realizing the separation operation, the locking elements 8 are movably connected with the valve seat 2 through the first guide rod 9, the first guide rod 9 is slidably connected with the valve seat 2, the first spring 10 is sleeved on the first guide rod 9, the locking elements 11 are arranged on the lower side of the locking elements 8, the locking elements 8 are movably clamped with the connecting plates 12 through the locking elements 11, the connecting plate 12 is provided with a clamping groove 13 matched with the locking block 11, the arranged locking block 11 is matched with the clamping groove 13 to realize the sliding connection of the connecting plate 12 and the locking part 8, the locking part 8 has a limiting function on the connecting plate 12 to limit the vertical movement of the connecting plate, the upper side of the connecting pipe 5 is provided with a sealing block 14, a sealing plate 27 is inserted on the sealing block 14, the sealing plate 27 is connected with the sealing block 14 in a sliding way, the sealing block 14 and the sealing plate 27 are arranged in a sliding way and have good sealing performance, the sealing plate 27 penetrates through the sealing block 14 and is inserted in the connecting pipe 5, one side of the sealing block 14 is connected with a support plate 15, the support plate 15 is provided with a second guide rod 16 in a penetrating way, the second guide rod 16 is connected with the support plate 15 in a sliding way, the upper end of the second guide rod 16 is connected with the connecting plate 12, the second guide rod 16 is sleeved with a second spring 17, the second spring 17 is positioned at the lower side of the support plate 15, the arranged opening part 7 acts on the locking part 8, make latch fitting 8 and connecting plate 12 separation, the second spring 17 of setting has decurrent effort to connecting plate 12, latch fitting 8 and connecting plate 12 separation back, the closing plate 27 of setting inserts in the connecting pipe 5, block sealed processing to both ends connecting pipe 5, can be when the piece 3 that opens and shuts in valve body 1 damages, block the fluid in the pipeline, the rethread is changed and is opened and shut 3, realize blocking the leakage fast, practice thrift cost of maintenance's effect.
As shown in fig. 1, 2, 3, and 4, the force application assembly 18 includes a third guide rod 181 and a third spring 182, the third guide rod 181 is connected to one side of the first sealing element 101 and one side of the second sealing element 102, the two third guide rods 181 are symmetrically disposed, the third guide rod 181 penetrates through the valve seat 2, the third guide rod 181 is slidably connected to the valve seat 2, the third spring 182 is sleeved on the third guide rod 181, the disposed third spring 182 is an industrial grade spring, and has a strong compression load, thereby, the first sealing element 101 and the second sealing element 102 are tightly combined, the leakage is prevented, the first sealing element 101 and the second sealing element 102 can be separated to facilitate the removal and replacement of the closure 3, the force application assembly 18 is not limited to the structure of the present embodiment, and can be realized by conventional means, the first sealing member 101 and the second sealing member 102 are connected by bolts, for example, only by tightly coupling the first sealing member 101 and the second sealing member 102.
As shown in fig. 1, 5, and 10, one side of the sealing block 14 is connected with a supporting member 19, the locking member 8 is slidably connected with the supporting member 19, a motor 20 is installed on the supporting member 19, the supporting member 19 is rotatably connected with a rotating rod 21, an output shaft of the motor 20 is coaxially connected with the rotating rod 21, the rotating rod 21 is sleeved with a gear 22, the gear 22 is meshed with a rack 23, the rack 23 is slidably connected with the supporting member 19, an ejector 24 is connected to the upper end of the rack 23, the ejector 24 is movably connected with the valve rod member 4, the set motor 20 drives the rotating rod 21 to rotate, and further drives the gear 22 and the rack 23 to move, so as to realize the upward movement operation of the valve rod member 4, and facilitate the taking-out of the opening and closing member 3.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, a support 25 is connected to the upper side of the valve seat 2, a limit groove 26 is formed in the inner side of the support 25, the opening and closing member 7 is slidably connected to the support 25 through the limit groove 26, the support 25 and the limit groove 26 are arranged to limit and support the opening and closing member 7, and the stability of the opening and closing member 7 in the movement process is improved.
The joint of the first sealing element 101 and the second sealing element 102 is provided with a sealing material, due to the high pressure action of the third spring 182, the sealing material between the first sealing element 101 and the second sealing element 102 is a high-strength metal gasket, the joint of the access hole 6 and the opening element 7 is provided with the sealing material, and the sealing material between the access hole 6 and the opening element 7 is a rubber gasket.
The working principle of the embodiment is as follows: when the sealing performance of the opening and closing member 3 is deteriorated due to long-term wear, the opening and closing member 3 is replaced, the operation motor 20 rotates to drive the rotating rod 21 to rotate, the gear 22 and the rack 23 further push the ejecting member 24 to move upwards, the ejecting member 24 pushes the valve rod member 4 to move upwards, the valve rod member 4 moves upwards to drive the opening and closing member 3 to move upwards, the first sealing member 101 and the second sealing member 102 move towards two sides in the connecting pipe 5 at the moment, the third guide rod 181 slides on the valve seat 2, after the opening and closing member 3 moves upwards and contacts with the opening and closing member 7, the opening and closing member 7 pushes the locking members 8 at two sides to move on the connecting plate 12, after the locking members 11 arranged on the locking members 8 are separated from the clamping grooves 13 on the connecting plate 12, the connecting plate 12 moves downwards due to the acting force of the second springs 17, and further drives the sealing plate 27 to move downwards, so that the sealing plate 27 seals the two connecting pipes 5, the rapid flow blocking operation is realized, the opening and closing piece 3 is taken out and replaced, and after the opening and closing piece 3 is replaced, the locking pieces 11 on the two sides and the clamping grooves 13 need to be manually reset and butted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (6)

1. The utility model provides a prevent leaking self sealss ball valve, includes valve body (1), disk seat (2), opening and closing piece (3), valve rod piece (4), its characterized in that: the valve body (1) comprises a first sealing element (101) and a second sealing element (102) which are symmetrically arranged, the first sealing element (101) and the second sealing element (102) are movably connected through a force application component (18), the two sides of the valve seat (2) are respectively provided with a connecting pipe (5), the first sealing element (101) and the second sealing element (102) are respectively in sliding connection with the connecting pipe (5), a feeding and discharging hole (6) is formed in the upper end of the valve body (1), a starting and closing piece (3) is movably connected in the valve body (1), a valve rod piece (4) is connected to the upper side of the starting and closing piece (3), a starting and discharging hole (6) is movably connected with a starting and closing piece (7), locking pieces (8) are movably connected to the two sides of the starting and closing piece (7), the locking pieces (8) are movably connected with the valve seat (2) through first guide rods (9), the first guide rods (9) are in sliding connection with the valve seat (2), the first guide rod (9) is sleeved with a first spring (10), a locking block (11) is arranged on the lower side of the locking piece (8), the locking piece (8) is movably clamped with a connecting plate (12) through the locking block (11), a clamping groove (13) matched with the locking block (11) is formed in the connecting plate (12), a sealing block (14) is arranged on the upper side of the connecting pipe (5), a sealing plate (27) is inserted in the sealing block (14), the sealing plate (27) is in sliding connection with the sealing block (14), the sealing plate (27) penetrates through the sealing block (14) and then is inserted in the connecting pipe (5), a support plate (15) is connected to one side of the sealing block (14), a second guide rod (16) penetrates through the support plate (15), the second guide rod (16) is in sliding connection with the support plate (15), and the upper end of the second guide rod (16) is connected with the connecting plate (12), the second guide rod (16) is sleeved with a second spring (17), and the second spring (17) is located on the lower side of the support plate (15).
2. A leak-resistant, self-sealing ball valve as defined in claim 1, wherein: the force application assembly (18) comprises a third guide rod (181) and a third spring (182), wherein the third guide rod (181) is connected to one side of the first sealing element (101) and one side of the second sealing element (102), the two third guide rods (181) are symmetrically arranged, the third guide rod (181) penetrates through the valve seat (2), the third guide rod (181) is in sliding connection with the valve seat (2), and the third spring (182) is sleeved on the third guide rod (181).
3. A leak-resistant, self-sealing ball valve as defined in claim 1, wherein: sealed piece (14) one side is connected with support piece (19), latch fitting (8) and support piece (19) sliding connection, install motor (20) on support piece (19), support piece (19) rotate and are connected with dwang (21), motor (20) output shaft and dwang (21) coaxial coupling, dwang (21) cover is equipped with gear (22), gear (22) meshing has rack (23), rack (23) and support piece (19) sliding connection, rack (23) upper end is connected with ejection piece (24), ejection piece (24) and valve rod piece (4) swing joint.
4. A leak-resistant, self-sealing ball valve as defined in claim 1, wherein: the valve seat is characterized in that a support (25) is connected to the upper side of the valve seat (2), a limiting groove (26) is formed in the inner side of the support (25), and the opening piece (7) is connected with the support (25) in a sliding mode through the limiting groove (26).
5. A leak-resistant, self-sealing ball valve as defined in claim 1, wherein: and a sealing material is arranged at the joint of the first sealing member (101) and the second sealing member (102).
6. A leak-resistant, self-sealing ball valve as defined in claim 1, wherein: and sealing materials are arranged at the joint of the access hole (6) and the opening and closing piece (7).
CN202210202887.7A 2022-03-03 2022-03-03 Prevent leaking self sealss ball valve Active CN114321432B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210202887.7A CN114321432B (en) 2022-03-03 2022-03-03 Prevent leaking self sealss ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210202887.7A CN114321432B (en) 2022-03-03 2022-03-03 Prevent leaking self sealss ball valve

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CN114321432A CN114321432A (en) 2022-04-12
CN114321432B true CN114321432B (en) 2022-05-10

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006057758A (en) * 2004-08-20 2006-03-02 Seishi Kurimoto Valve incorporating pipe joint
CN108775418A (en) * 2018-04-27 2018-11-09 天津埃克森阀门有限公司 A kind of ball valve of easy-to-dismount buffer-type
CN109139964A (en) * 2018-10-23 2019-01-04 九通集团有限公司 A kind of anti-clogging glove valve
CN110410519A (en) * 2018-04-27 2019-11-05 天津埃克森阀门有限公司 A kind of easy-disassembling-assembling double-seal ball valve
CN210265982U (en) * 2019-07-31 2020-04-07 浙江汇正自控阀门有限公司 Double-eccentric ball valve convenient to install
CN111810668A (en) * 2020-07-25 2020-10-23 浙江中德自控科技股份有限公司 Ball valve with replaceable sealing ring
CN212338246U (en) * 2020-05-13 2021-01-12 丽水欧意阀门有限公司 Novel non-closed pipeline maintenance ball valve
CN113775789A (en) * 2021-09-14 2021-12-10 武工阀门有限公司 Ball valve convenient to it is clean to inside residue

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009025290A1 (en) * 2009-06-15 2010-12-16 Andocksysteme G. Untch Gmbh Double flap device for the environmentally sealed connection of two containers

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006057758A (en) * 2004-08-20 2006-03-02 Seishi Kurimoto Valve incorporating pipe joint
CN108775418A (en) * 2018-04-27 2018-11-09 天津埃克森阀门有限公司 A kind of ball valve of easy-to-dismount buffer-type
CN110410519A (en) * 2018-04-27 2019-11-05 天津埃克森阀门有限公司 A kind of easy-disassembling-assembling double-seal ball valve
CN109139964A (en) * 2018-10-23 2019-01-04 九通集团有限公司 A kind of anti-clogging glove valve
CN210265982U (en) * 2019-07-31 2020-04-07 浙江汇正自控阀门有限公司 Double-eccentric ball valve convenient to install
CN212338246U (en) * 2020-05-13 2021-01-12 丽水欧意阀门有限公司 Novel non-closed pipeline maintenance ball valve
CN111810668A (en) * 2020-07-25 2020-10-23 浙江中德自控科技股份有限公司 Ball valve with replaceable sealing ring
CN113775789A (en) * 2021-09-14 2021-12-10 武工阀门有限公司 Ball valve convenient to it is clean to inside residue

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