CN114688290A - Corrugated pipe ball valve - Google Patents

Corrugated pipe ball valve Download PDF

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Publication number
CN114688290A
CN114688290A CN202011576339.8A CN202011576339A CN114688290A CN 114688290 A CN114688290 A CN 114688290A CN 202011576339 A CN202011576339 A CN 202011576339A CN 114688290 A CN114688290 A CN 114688290A
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CN
China
Prior art keywords
ring
valve
ball valve
end cover
connecting ring
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.)
Pending
Application number
CN202011576339.8A
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Chinese (zh)
Inventor
辛朋洲
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.)
Nafuxi Shanghai Valve Technology Co ltd
Original Assignee
Nafuxi Shanghai Valve Technology 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 Nafuxi Shanghai Valve Technology Co ltd filed Critical Nafuxi Shanghai Valve Technology Co ltd
Priority to CN202011576339.8A priority Critical patent/CN114688290A/en
Publication of CN114688290A publication Critical patent/CN114688290A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—Spindles or actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0689—Packings between housing and plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0694—Spindle sealings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention discloses a corrugated pipe ball valve, wherein the bottom end of a valve body is connected with the upper surface of a valve seat, two ends of the valve seat are respectively provided with an end cover, the inner side of each end cover is provided with an assembly groove, a first connecting ring is arranged in the assembly groove formed in the inner side of each end cover, the first connecting ring is matched and mutually spliced with one end of a corrugated pipe, the other end of the corrugated pipe is matched and mutually spliced with a second connecting ring, the second connecting ring is connected with a sleeve pressing ring, a gap is reserved between the sleeve pressing ring and the inner wall of the assembly groove formed in the end cover, the inner side of each end cover is also provided with an upper half sealing ring and a lower half sealing ring, and the ball valve is arranged in a cavity in the valve seat. A gap is reserved between the sleeve compression ring and the inner wall of the assembly groove formed in the end cover, and the locking condition during thermal expansion is prevented.

Description

Corrugated pipe ball valve
Technical Field
The invention relates to the technical field of ball valves, in particular to a corrugated pipe ball valve.
Background
The bellows of two-way bellows ball valve links with disk seat and valve gap welding form respectively among the coker, will cut off when maintenance and change disk seat or bellows, and the degree of difficulty is higher, and the operation is comparatively complicated to traditional ball valve leads to sealed the problem of leaking easily under the condition of utmost point low temperature, takes place the problem of locking easily under the extreme high temperature, consequently, this problem that exists among the prior art is solved to a modified technique that needs urgent attention.
Disclosure of Invention
The invention aims to provide a corrugated pipe ball valve, a corrugated pipe is arranged in an assembly groove of an end cover through a first connecting ring, a sleeve pressing ring is connected with the corrugated pipe through a second connecting ring, the position of the sleeve pressing ring is changed through the corrugated pipe under the condition of low temperature or high temperature, so that the sealing between the corrugated pipe and the ball valve is constantly kept, the application range is greatly improved, two ends of the corrugated pipe are respectively inserted into the first connecting ring and the second connecting ring, the corrugated pipe is convenient to replace, cutting is not needed during maintenance, the convenience is greatly improved, a gap is reserved between the sleeve pressing ring and the inner wall of the assembly groove formed in the end cover, the locking during thermal expansion is prevented, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a corrugated pipe ball valve comprises a valve body, a valve seat and a valve component;
the valve body is internally provided with an upper end valve rod channel, the upper end of the valve body, which is positioned in the valve rod channel, is provided with a packing groove, the valve body is positioned in the packing groove and is internally provided with packing, the top end of the upper end valve rod channel of the valve body is provided with a gland, the gland is fixed through a pressing plate, the bottom end of the gland is tightly connected with the packing, and the pressing plate is arranged at the top end of the valve body through a bolt;
the bottom end of the valve body is connected with the upper surface of the valve seat through a bolt, the two ends of the valve seat are respectively provided with an end cover, a cavity is arranged in the valve seat, the upper end of the valve seat is provided with a lower end valve rod channel in a penetrating way, the lower end valve rod channel is respectively communicated with the cavity and the upper end valve rod channel, the end covers are provided with a first flow channel in a penetrating way, the first flow channel is communicated with the cavity in the valve seat, the inner side of the end covers is provided with an assembly groove, a first connecting ring is arranged in the assembly groove in the inner side of the end covers, the first connecting ring is matched and mutually spliced with one end of a corrugated pipe, the other end of the corrugated pipe is matched and mutually spliced with a second connecting ring, the second connecting ring is connected with the sleeve pressing ring, a gap is reserved between the sleeve pressing ring and the inner wall of the assembly groove in the end covers, the corrugated pipe is sleeved outside the sleeve pressing ring, and the inner part of the sleeve pressing ring is provided with a second flow channel in a penetrating way, the second flow channel is communicated with a first flow channel formed in the end cover, one end of the inner side of the sleeve pressure ring is an inclined plane and is provided with a convex ring, and the inner side of the end cover is also provided with an upper half sealing ring and a lower half sealing ring;
the valve component includes valve rod and ball valve, the valve rod activity sets up in the inside upper end valve rod passageway of valve body and the lower extreme valve rod passageway of disk seat upper end, the valve rod bottom is provided with the ball valve, the ball valve sets up in the inside cavity of disk seat, the outside surface of ball valve upper end and lower extreme is the inclined plane and meets with the inboard bulge loop of sleeve clamping ring, the top of ball valve links to each other with first seal ring, the bottom and the second seal ring of ball valve link to each other.
Preferably, the end cover is connected with two ends of the valve seat through bolts, so that the end cover can be conveniently mounted and dismounted.
Preferably, the outer diameter of the first connecting ring is consistent with the outer diameter of the second connecting ring, and the inner diameter of the first connecting ring is consistent with the inner diameter of the second connecting ring, so that the specifications of the first connecting ring and the second connecting ring are consistent to realize the connection of two ends of the corrugated pipe.
Preferably, according to the bellows ball valve provided by the invention, the outer diameters of the two ends of the bellows are consistent with the inner diameters of the first connecting ring and the second connecting ring, so that the stability of the bellows is ensured, and the bellows does not fall off.
Preferably, the first connecting ring is connected with the end cover in a welding mode, so that the corrugated pipe ball valve is convenient to process.
Preferably, the bellows ball valve provided by the invention is characterized in that the sleeve compression ring comprises a ring body, an outer ring and a boss, the outer ring is arranged at one end of the ring body, the boss is arranged on the outer side surface of the joint of the ring body and the outer ring, the second connecting ring is connected with one end, far away from the outer ring, of the boss in a welding mode, and the outer diameter of the ring body at the boss is smaller than the inner diameter of an assembly groove formed in the end cover, so that locking caused by expansion at high temperature is prevented.
Preferably, the corrugated pipe ball valve provided by the invention is characterized in that a third flow passage penetrates through the ball valve, and the third flow passage is matched with the first flow passage and the second flow passage to realize the opening and closing of the ball valve.
Preferably, in the bellows ball valve provided by the present invention, the upper end and the lower end of the ball valve are both provided with protruding discs, when the end covers are fixed at both ends of the valve seat, the upper half seal ring and the lower half seal ring arranged at the inner sides of the two end covers are mutually matched to form a whole ring, the whole ring formed by the upper half seal ring is tightly matched with the protruding disc at the upper end of the ball valve, and the whole ring formed by the lower half seal ring is tightly matched with the protruding disc at the lower end of the ball valve, so as to ensure the sealing performance of the upper end and the lower end of the ball valve.
Preferably, the present invention provides a bellows ball valve, wherein the top end of the valve body is further provided with a connection housing to be connected to the top end of the valve stem through a connector.
Compared with the prior art, the invention has the beneficial effects that:
(1) the bellows sets up in the assembly groove of end cover through first go-between, and the sleeve clamping ring passes through the second go-between and links to each other with the bellows, under the condition of low temperature or high temperature, realizes the change of the position of sleeve clamping ring through the bellows to keep constantly and the ball valve between sealed, application scope improves greatly.
(2) The two ends of the corrugated pipe are respectively spliced with the first connecting ring and the second connecting ring, so that the corrugated pipe is convenient to replace, cutting is not needed during maintenance, and convenience is greatly improved.
(3) A gap is reserved between the sleeve compression ring and the inner wall of the assembly groove formed in the end cover, and the locking condition during thermal expansion is prevented.
(4) The inner side of the sleeve pressing ring is provided with a convex ring which is matched with the ball valve, so that the sealing property between the sleeve pressing ring and the ball valve is ensured.
(5) The inner sides of the end covers are also provided with an upper half sealing ring and a lower half sealing ring, when the two end covers are arranged at the two ends of the valve seat, the upper half sealing ring and the lower half sealing ring form a whole ring, on one hand, the sealing performance is ensured, and on the other hand, the stability of the ball valve is ensured.
(6) The whole structure is simple, and the installation and the disassembly are convenient, thereby being convenient for the maintenance of parts.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at the point marked A;
FIG. 3 is a schematic cross-sectional view of a sleeve compression ring;
fig. 4 is a schematic structural diagram of a sleeve pressing ring in a front view.
In the figure: the valve comprises a valve body 1, a valve seat 2, an upper end valve rod channel 3, a packing 4, a gland 5, a pressure plate 6, an end cover 7, a cavity 8, a lower end valve rod channel 9, a first flow channel 10, an assembling groove 11, a first connecting ring 12, a corrugated pipe 13, a second connecting ring 14, a sleeve pressing ring 15, a second flow channel 16, a convex ring 17, an upper half sealing ring 18, a lower half sealing ring 19, a valve rod 20, a ball valve 21, a third flow channel 22, a convex disc 23, a connecting shell 24, a ring body 151, an outer ring 152 and a boss 153.
Detailed Description
The technical solutions 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. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
it should be noted that, in the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a corrugated pipe ball valve comprises a valve body 1, a valve seat 2 and a valve component;
an upper end valve rod channel 3 is arranged in the valve body 1, a packing groove is formed in the upper end, located on the upper end valve rod channel 3, of the valve body 1, packing 4 is arranged in the packing groove of the valve body 1, a gland 5 is arranged at the top end, located on the upper end valve rod channel 3, of the valve body 1, the gland 5 is fixed through a pressing plate 6, the bottom end of the gland is tightly connected with the packing 4, the pressing plate 6 is arranged at the top end of the valve body 1 through bolts, and a connecting shell 24 is further arranged at the top end of the valve body 1 to be connected with the top end of the valve rod 20 through a connector;
the bottom end of the valve body 1 is connected with the upper surface of a valve seat 2 through a bolt, two ends of the valve seat 2 are respectively provided with an end cover 7, the end covers 7 are connected with two ends of the valve seat 2 through bolts, a cavity 8 is arranged inside the valve seat 2, the upper end of the valve seat 2 is provided with a lower end valve rod channel 9 in a penetrating way, the lower end valve rod channel 9 is respectively communicated with the cavity 8 and an upper end valve rod channel 3, the end cover 7 is provided with a first flow channel 10 in a penetrating way, the first flow channel 10 is communicated with the cavity 8 inside the valve seat 2, the inner side of the end cover 7 is provided with an assembly groove 11, a first connecting ring 12 is arranged inside the assembly groove 11 formed inside the end cover 7, the first connecting ring 12 is connected with the end cover 7 through a welding way, the first connecting ring 12 is matched with one end of a corrugated pipe 13 and is spliced with each other, the other end of the corrugated pipe 13 is matched with a second connecting ring 14 and is spliced with each other, the second connecting ring 14 is connected with a sleeve pressing ring 15, the outer diameter of the first connecting ring 12 is consistent with the outer diameter of the second connecting ring 14, the inner diameter of the first connecting ring 12 is consistent with the inner diameter of the second connecting ring 14, the outer diameters of two ends of the corrugated pipe 13 are consistent with the inner diameters of the first connecting ring 12 and the second connecting ring 14, a gap is reserved between the sleeve pressing ring 15 and the inner wall of the assembling groove 11 opened by the end cover 7, the corrugated pipe 13 is sleeved outside the sleeve pressing ring 15, a second flow passage 16 is arranged in the sleeve pressing ring 15 in a penetrating manner, the second flow passage 16 is mutually communicated with the first flow passage 10 opened by the end cover 7, one end of the inner side of the sleeve pressing ring 15 is an inclined surface and is provided with a convex ring 17, the inner side of the end cover 7 is also provided with an upper half sealing ring 18 and a lower half sealing ring 19, the sleeve pressing ring 15 comprises a ring body 151, the outer ring 152 is arranged at one end of the ring body 151, the boss 153 is arranged on the outer side surface of the joint of the ring body 151 and the outer ring 152, the second connecting ring 14 is connected with one end, far away from the outer ring 152, of the boss 153 in a welding mode, and the outer diameter of the ring body 151, located at the boss 153, is smaller than the inner diameter of the assembling groove 11 formed in the end cover 7;
the valve component comprises a valve rod 20 and a ball valve 21, the valve rod 20 is movably arranged in an upper end valve rod channel 3 in the valve body 1 and a lower end valve rod channel 9 at the upper end of the valve seat 2, the bottom end of the valve rod 20 is provided with the ball valve 21, the ball valve 21 is arranged in a cavity 8 in the valve seat 2, a third flow passage 22 is arranged in the ball valve 21 in a penetrating way, the third flow passage 22 is matched with a first flow passage 10 and a second flow passage 16, the outer side surfaces of the upper end and the lower end of the ball valve 21 are inclined planes and are connected with a convex ring 17 at the inner side of a sleeve press ring 15, the top end of the ball valve 21 is connected with an upper half seal ring 18, the bottom end of the ball valve 21 is connected with a lower half seal ring 19, the upper end and the lower end of the ball valve 21 are both provided with convex discs 23, when the end covers 7 are fixed at the two ends of the valve seat 2, the upper half seal rings 18 and the lower half seal rings 19 are matched with each other to form a whole ring, the whole ring formed by the upper half seal ring 18 is tightly matched with the convex disc 23 at the upper end of the ball valve 21, the whole ring composed of the lower semi-sealing ring 19 is tightly matched with a convex disc 23 at the lower end of the ball valve 21.
The installation method and the use principle are as follows: firstly, a ball valve 21 is placed in a cavity 8 in a valve seat 2 from any end of the valve seat 2, then a valve rod 20 is connected with the ball valve 21, then a valve body 1 is sleeved outside the valve rod 20 from top to bottom, then the valve body 1 is fixed on the upper surface of the valve seat 2 through a bolt, then a filler 4 is placed in a filler groove, a gland 5 is pressed on the filler 4 and the gland 5 is fixed through a pressure plate 6 and the bolt, then one end of a corrugated pipe 13 is welded with a first connecting ring 12, the first connecting ring 12 is welded in an assembling groove 11 of an end cover 7, a second connecting ring 14 is welded on the side surface of a boss 153 of a sleeve press ring 15, a ring body 151 of the sleeve press ring 15 is inserted into the corrugated pipe 13, one end of the corrugated pipe 13 far away from the first ring body 151 is connected with the second connecting ring 14, then the end covers 7 are fixed at two ends of the valve seat 2 through bolts, at the moment, a convex ring 17 inside the sleeve 15 is connected with the upper end surface and the lower end outer side surface of the ball valve 21, and, the inner side of two end caps 7 is equipped with the upper half seal ring 18 and the lower half seal ring 19 which are mutually matched and form a whole ring, the whole ring formed by the upper half seal ring 18 is tightly matched with the convex disc 23 at the upper end of the ball valve 21, the whole ring formed by the lower half seal ring 19 is tightly matched with the convex disc 23 at the lower end of the ball valve 21, so as to realize the sealing of the upper end and the lower end of the ball valve 21, when in use, the valve rod 20 is rotated, so as to realize the opening and closing of the ball valve 21. The structure of the invention is reasonable, the corrugated pipe 13 is arranged in the assembling groove 11 of the end cover 7 through the first connecting ring 12, the sleeve press ring 15 is connected with the corrugated pipe 13 through the second connecting ring 14, and the position change of the sleeve press ring 15 is realized through the corrugated pipe 13 under the condition of low temperature or high temperature, so that the sealing between the corrugated pipe 13 and the ball valve 21 is kept at any time, and the application range is greatly improved; two ends of the corrugated pipe 13 are respectively spliced with the first connecting ring 12 and the second connecting ring 14, so that the corrugated pipe 13 is convenient to replace, cutting is not needed during maintenance, and convenience is greatly improved; a gap is reserved between the sleeve compression ring 15 and the inner wall of the assembly groove 11 formed in the end cover 7, so that the locking condition during thermal expansion is prevented; a convex ring 17 is arranged on the inner side of the sleeve compression ring 15, and the convex ring 17 is matched with the ball valve 21, so that the sealing property between the sleeve compression ring 15 and the ball valve 21 is ensured; the inner sides of the end covers 7 are also provided with an upper half sealing ring 18 and a lower half sealing ring 19, when the two end covers 7 are arranged at the two ends of the valve seat 2, the upper half sealing ring 18 and the lower half sealing ring 19 form a whole ring, so that the sealing performance is ensured on one hand, and the stability of the ball valve 21 is ensured on the other hand; the integral structure is simple, and the installation and the disassembly are convenient, thereby being convenient for the maintenance of parts.
The invention is not described in detail, but is well known to those skilled in the art.
Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (9)

1. A bellows ball valve characterized in that: comprises a valve body (1), a valve seat (2) and a valve component;
an upper end valve rod channel (3) is formed in the valve body (1), a packing groove is formed in the upper end, located on the upper end valve rod channel (3), of the valve body (1), packing (4) is arranged in the packing groove of the valve body (1), a gland (5) is arranged at the top end, located on the upper end valve rod channel (3), of the valve body (1), the gland (5) is fixed through a pressing plate (6), the bottom end of the gland is tightly connected with the packing (4), and the pressing plate (6) is arranged at the top end of the valve body (1) through bolts;
the bottom end of the valve body (1) is connected with the upper surface of a valve seat (2) through a bolt, end covers (7) are arranged at two ends of the valve seat (2), a cavity (8) is arranged in the valve seat (2), a lower end valve rod channel (9) is arranged at the upper end of the valve seat (2) in a penetrating manner, the lower end valve rod channel (9) is communicated with the cavity (8) and an upper end valve rod channel (3) respectively, a first flow passage (10) is arranged in the end cover (7) in a penetrating manner, the first flow passage (10) is communicated with the cavity (8) in the valve seat (2), an assembly groove (11) is arranged at the inner side of the end cover (7), a first connecting ring (12) is arranged in the assembly groove (11) formed at the inner side of the end cover (7), the first connecting ring (12) is matched and mutually inserted with one end of a corrugated pipe (13), the other end of the corrugated pipe (13) is matched and mutually inserted with a second connecting ring (14), the second connecting ring (14) is connected with the sleeve pressing ring (15), a gap is reserved between the sleeve pressing ring (15) and the inner wall of the assembling groove (11) formed in the end cover (7), the corrugated pipe (13) is sleeved outside the sleeve pressing ring (15), a second flow channel (16) is formed in the sleeve pressing ring (15) in a penetrating mode, the second flow channel (16) is communicated with the first flow channel (10) formed in the end cover (7), one end of the inner side of the sleeve pressing ring (15) is an inclined plane and is provided with a convex ring (17), and an upper half sealing ring (18) and a lower half sealing ring (19) are further arranged on the inner side of the end cover (7);
valve member package valve rod (20) and ball valve (21), valve rod (20) activity sets up in lower extreme valve rod passageway (9) of valve body (1) inside upper end valve rod passageway (3) and disk seat (2) upper end, valve rod (20) bottom is provided with ball valve (21), ball valve (21) set up in disk seat (2) inside cavity (8), the outside surface of ball valve (21) upper end and lower extreme is the inclined plane and meets with protruding ring (17) of sleeve clamping ring (15) inboard, the top of ball valve (21) links to each other with first seal ring (18), the bottom of ball valve (21) links to each other with first seal ring (19) down.
2. A bellows ball valve in accordance with claim 1, wherein: the end covers (7) are connected with the two ends of the valve seat (2) through bolts.
3. A bellows ball valve in accordance with claim 1, wherein: the outer diameter of the first connecting ring (12) is consistent with the outer diameter of the second connecting ring (14), and the inner diameter of the first connecting ring (12) is consistent with the inner diameter of the second connecting ring (14).
4. A bellows ball valve in accordance with claim 1, wherein: the outer diameters of the two ends of the corrugated pipe (13) are consistent with the inner diameters of the first connecting ring (12) and the second connecting ring (14).
5. A bellows ball valve in accordance with claim 1, wherein: the first connecting ring (12) is connected with the end cover (7) in a welding mode.
6. A bellows ball valve in accordance with claim 1, wherein: sleeve clamping ring (15) are including ring body (151), outer ring (152) and boss (153), ring body (151) one end is provided with outer ring (152), the outside surface of ring body (151) and outer ring (152) junction is provided with boss (153), outer ring (152) one end is kept away from through welded mode and boss (153) in second connecting ring (14) and links to each other, the external diameter that ring body (151) are located boss (153) department is less than the internal diameter of assembly groove (11) that end cover (7) were opened.
7. A bellows ball valve in accordance with claim 1, wherein: and a third flow passage (22) penetrates through the ball valve (21), and the third flow passage (22) is matched with the first flow passage (10) and the second flow passage (16).
8. A bellows ball valve in accordance with claim 1, wherein: ball valve (21) upper end and lower extreme all are provided with protruding dish (23), two when end cover (7) are fixed in disk seat (2) both ends first seal ring (18) and second seal ring (19) that end cover (7) inboard set up mutually support and form the whole ring, by whole ring and ball valve (21) protruding dish (23) of upper end that first seal ring (18) are constituteed closely cooperate, by whole ring and ball valve (21) lower extreme protruding dish (23) that half seal ring (19) are constituteed closely cooperate.
9. A bellows ball valve in accordance with claim 1, wherein: the top end of the valve body (1) is also provided with a connecting shell (24) so as to be connected with the top end of the valve rod (20) through a connector.
CN202011576339.8A 2020-12-28 2020-12-28 Corrugated pipe ball valve Pending CN114688290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011576339.8A CN114688290A (en) 2020-12-28 2020-12-28 Corrugated pipe ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011576339.8A CN114688290A (en) 2020-12-28 2020-12-28 Corrugated pipe ball valve

Publications (1)

Publication Number Publication Date
CN114688290A true CN114688290A (en) 2022-07-01

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070106312A (en) * 2006-04-28 2007-11-01 주식회사서흥금속 Ball valve of very low temperature
CN201159300Y (en) * 2008-02-15 2008-12-03 温州市瓯斯特阀门有限公司 High temperature oil gas isolation valve
CN102364177A (en) * 2011-10-31 2012-02-29 浙江超达阀门股份有限公司 Ball valve of corrugated pipe
CN103470804A (en) * 2013-09-23 2013-12-25 清华大学 Safety level electric ball valve
US20150337968A1 (en) * 2014-05-16 2015-11-26 Fjell Subsea Products As Ball valve
CN105202218A (en) * 2015-10-27 2015-12-30 上正阀门集团有限公司 Top assembly type corrugated fixed ball valve
CN206513863U (en) * 2016-12-09 2017-09-22 天津百利展发集团有限公司 A kind of seating spring chamber dustproof construction
CN107725815A (en) * 2017-09-30 2018-02-23 雷蒙德(北京)科技股份有限公司 Fixed ball valve
CN209084048U (en) * 2018-08-02 2019-07-09 凯艾斯阀门(杭州)有限公司 A kind of solid particle medium enters valve chamber and causes ball valve locking structure
CN210372216U (en) * 2019-07-23 2020-04-21 欧维克集团有限公司 Die forging all-welded valve body ball valve
CN211820829U (en) * 2020-01-17 2020-10-30 洛阳涧光特种装备股份有限公司 One-way pre-tightening sealed two-way ball valve for delayed coking device
CN211820828U (en) * 2020-01-17 2020-10-30 洛阳涧光特种装备股份有限公司 Two-way ball valve sealed by bidirectional pre-tightening for delayed coking device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070106312A (en) * 2006-04-28 2007-11-01 주식회사서흥금속 Ball valve of very low temperature
CN201159300Y (en) * 2008-02-15 2008-12-03 温州市瓯斯特阀门有限公司 High temperature oil gas isolation valve
CN102364177A (en) * 2011-10-31 2012-02-29 浙江超达阀门股份有限公司 Ball valve of corrugated pipe
CN103470804A (en) * 2013-09-23 2013-12-25 清华大学 Safety level electric ball valve
US20150337968A1 (en) * 2014-05-16 2015-11-26 Fjell Subsea Products As Ball valve
CN105202218A (en) * 2015-10-27 2015-12-30 上正阀门集团有限公司 Top assembly type corrugated fixed ball valve
CN206513863U (en) * 2016-12-09 2017-09-22 天津百利展发集团有限公司 A kind of seating spring chamber dustproof construction
CN107725815A (en) * 2017-09-30 2018-02-23 雷蒙德(北京)科技股份有限公司 Fixed ball valve
CN209084048U (en) * 2018-08-02 2019-07-09 凯艾斯阀门(杭州)有限公司 A kind of solid particle medium enters valve chamber and causes ball valve locking structure
CN210372216U (en) * 2019-07-23 2020-04-21 欧维克集团有限公司 Die forging all-welded valve body ball valve
CN211820829U (en) * 2020-01-17 2020-10-30 洛阳涧光特种装备股份有限公司 One-way pre-tightening sealed two-way ball valve for delayed coking device
CN211820828U (en) * 2020-01-17 2020-10-30 洛阳涧光特种装备股份有限公司 Two-way ball valve sealed by bidirectional pre-tightening for delayed coking device

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