CN218152438U - Top-mounted conical spherical valve - Google Patents

Top-mounted conical spherical valve Download PDF

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Publication number
CN218152438U
CN218152438U CN202222545937.XU CN202222545937U CN218152438U CN 218152438 U CN218152438 U CN 218152438U CN 202222545937 U CN202222545937 U CN 202222545937U CN 218152438 U CN218152438 U CN 218152438U
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shell
valve core
conical
conical valve
upper cover
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Chinese (zh)
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周宇
周思彤
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Individual
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Individual
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Abstract

The utility model relates to the technical field of valves, in particular to facial make-up circular cone centre of sphere valve. The device is characterized in that the upper portion of a shell is opened, a conical valve core is installed inside the shell through the opening in the upper portion of the shell, the side face of the conical valve core is designed into a conical surface, a through hole is transversely formed in the conical valve core and can be communicated with the inlet end and the outlet end of the shell, a guide cylinder is arranged at the upper end of the conical valve core, and a steering groove is formed in the upper end face of the guide cylinder. The utility model discloses a need not pull down the valve wholly when changing case and seal assembly, only need to open from upper portion and just can change case and seal assembly, for the maintenance of ball valve and overhauld and brought the convenience, sealed effect is reliable, increase of service life.

Description

Top-mounted conical spherical valve
The technical field is as follows:
the utility model relates to the technical field of valves, in particular to facial make-up circular cone centre of sphere valve.
Background art:
at present, ball valves commonly used are basically spherical valve cores, the structural form that the valve cores are assembled from the side of open holes at two ends is adopted when the valve cores are assembled and disassembled, and in the actual use process, a plurality of connected pipelines are all in a hard connection form by adopting steel pipes according to process and safety requirements. After the ball valve is used for a period of time, due to the fact that parts are abraded and sealing elements are naturally aged due to frequent switching, the situation that the ball valve is not closed tightly or the switching is not in place can occur, due to the fact that the two sides of the ball valve are in rigid connection through steel pipes, time and labor are wasted when the ball valve assembly needs to be replaced or a valve core needs to be repaired and replaced, and inconvenience is brought to operation and maintenance of equipment or a system, and therefore normal use is affected.
The utility model has the following contents:
the to-be-solved technical problem of the utility model is to provide a circular cone ball center valve of facial make-up, the device has realized not needing to pull down the valve wholly when changing case and seal assembly, only needs to open from upper portion and just can change case and seal assembly, has brought the convenience for the maintenance and the maintenance of ball valve, and sealed effect is reliable, increase of service life. The defects that the valve is required to be integrally disassembled when the valve core is disassembled and assembled by the existing spherical valve core, time and labor are wasted, and inconvenience is caused are overcome.
The utility model adopts the technical proposal that: a valve with an upper conical spherical center comprises a shell, wherein an inlet end and an outlet end are respectively arranged on two sides of the shell, and the inlet end and the outlet end of the shell are respectively in threaded connection with two steel pipes; the conical valve core is arranged in the shell through the upper opening of the shell, the side surface of the conical valve core is designed into a conical surface, the conical valve core is transversely provided with a through hole, the through hole can be communicated with the inlet end and the outlet end of the shell, the upper end of the conical valve core is provided with a guide cylinder, and the upper end surface of the guide cylinder is provided with a steering groove;
the opening end of the upper part of the shell is connected with an upper cover in a sealing way, a compression spring is arranged between the upper cover and the conical valve core and sleeved on a guide cylinder of the conical valve core, the lower end of a rotary rod penetrates through the upper cover to be inserted into a steering groove of the conical valve core, the rotary rod can drive the conical valve core to rotate, a pressing cap penetrates through the upper end of the rotary rod and is connected with the inner wall of the upper cover, and the lower end of the pressing cap is pressed on the step surface of the outer wall of the rotary rod;
the two sides of the conical valve core are respectively provided with a special-shaped sealing ring, the special-shaped sealing rings are matched with the conical surface on the outer side of the conical valve core, the outer sides of the special-shaped sealing rings on the two sides are respectively provided with a sealing ring thread seat, and the two sealing ring thread seats are respectively in threaded connection with the inner wall of the inlet end and the inner wall of the outlet end of the shell; and the outer sides of the two steel pipes are respectively connected with a locking nut in a sealing threaded manner.
Furthermore, the upper opening end of the shell is connected with an upper cover in a threaded mode, and the upper cover and the upper opening end of the shell are sealed through an O-shaped sealing ring I.
Further, install the sealing washer on the upper cover inner wall, it is sealed through the sealing washer between upper cover inner wall and the rotary rod.
Furthermore, a limiting step is arranged on the inner side of the locking nut, an O-shaped sealing ring II is arranged on the limiting step, and the locking nut, the outer wall of the steel pipe and the inlet end face or the outlet end face of the shell are sealed through the O-shaped sealing ring II.
The beneficial effects of the utility model are that:
1. when the valve core and the sealing assembly are replaced, the valve core and the sealing assembly can be replaced only by opening the valve core and the sealing assembly from the upper part without detaching the whole valve, so that convenience is brought to maintenance and overhaul of the ball valve;
2. the valve core is conical, the valve core and the valve seat are sealed more tightly under the pressure of the spring, and the valve core is moved downwards under the pressure of the compression spring under the condition of gradual abrasion in the use process, so that the abrasion is compensated, the sealing effect is reliable, and the service life is prolonged;
3. the locking nuts on two sides are used for realizing positioning on the ball valve body under the condition that the positioning is realized at a certain angle and the threads are not completely screwed in place, and secondary sealing is realized at the threaded connection part by the sealing ring between the ball valve body and the locking nuts while positioning.
Description of the drawings:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the split structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a structural schematic diagram of a conical valve core.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural view of the lock nut.
Fig. 6 is a top view of fig. 5.
Fig. 7 is a schematic structural diagram of the profiled sealing ring.
Fig. 8 is a side view of the contour seal.
The specific implementation mode is as follows:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8, an upper conical globe valve includes a housing 10, wherein two sides of the housing 10 are respectively provided with an inlet end and an outlet end, and the inlet end and the outlet end of the housing 10 are respectively connected with two steel pipes 13 by screw threads; the upper part of the shell 10 is provided with an opening, the conical valve core 11 is arranged in the shell 10 through the opening on the upper part of the shell 10, the side surface of the conical valve core 11 is designed into a conical surface, the conical valve core 11 is transversely provided with a through hole 14, the through hole 14 can be communicated with the inlet end and the outlet end of the shell 10, the upper end of the conical valve core 11 is provided with a guide cylinder, and the upper end surface of the guide cylinder is provided with a steering groove 15;
the open end of the upper part of the shell 10 is connected with the upper cover 3 in a sealing way, a compression spring 12 is arranged between the upper cover 3 and the conical valve core 11, the compression spring 12 is sleeved on a guide cylinder of the conical valve core 11, the lower end of a rotary rod 5 penetrates through the upper cover 3 and is inserted into a steering groove 15 of the conical valve core 11, the rotary rod 5 can drive the conical valve core 11 to rotate, a pressing cap 1 penetrates through the upper end of the rotary rod 5 and is connected with the inner wall of the upper cover 3, and the lower end of the pressing cap 1 is pressed on the step surface of the outer wall of the rotary rod 5;
the two sides of the conical valve core 11 are respectively provided with a special-shaped sealing ring 9, the special-shaped sealing rings 9 are matched with the conical surface on the outer side of the conical valve core 11, the outer sides of the special-shaped sealing rings 9 on the two sides are respectively provided with a sealing ring thread seat 8, and the two sealing ring thread seats 8 are respectively in threaded connection with the inner wall of the inlet end and the inner wall of the outlet end of the shell 10; the outer sides of the two steel pipes 13 are respectively connected with the locking nut 6 in a sealing threaded manner.
The upper opening end of the shell 10 is connected with the upper cover 3 through threads, and the upper cover 3 and the upper opening end of the shell 10 are sealed through an O-shaped sealing ring I4.
And a sealing ring 2 is arranged on the inner wall of the upper cover 3, and the inner wall of the upper cover 3 and the rotating rod 5 are sealed through the sealing ring 2.
The inner side of the locking nut 6 is provided with a limiting step 16, the limiting step 16 is provided with an O-shaped sealing ring II 7, and the locking nut 6, the outer wall of the steel pipe 13 and the inlet end face or the outlet end face of the shell 10 are sealed through the O-shaped sealing ring II 7.
When the sealing ring is used, the sealing ring threaded seats 8 are screwed in from two sides, so that a sealing space is formed between the front ends of the sealing ring threaded seats 8 and the shell 10, the special-shaped sealing rings 9 at two sides are installed from the upper part of the shell 10, the conical valve cores 11 are sequentially installed from the upper part of the shell 10, the compression springs 12 are installed, the rotating rods 5 are installed, the lower ends of the rotating rods 5 are inserted into the steering grooves 15 at the upper parts of the conical valve cores 11, the O-shaped sealing rings I4 are installed, the upper cover 3 is screwed in, the sealing rings 2 are installed in the upper cover 3, the pressing caps 1 are screwed in, and the assembly of the upper part is finished. The special-shaped sealing ring 9 realizes the sealing of the conical valve core 11 and two ends of the shell 10. The locking nut 6 and the O-shaped sealing ring II 7 are firstly screwed on the steel pipe 13 from the side surface, the steel pipe 13 is screwed into the two sides of the valve, and the locking nut 6,O-shaped sealing ring II 7 is extruded and deformed in the limiting step 16 after the installation angle of the valve is determined, so that secondary sealing between the steel pipe 13 and the shell 10 is completed.
The utility model discloses a conical valve core 11 and special-shaped seal circle 9 are packed into from casing upper portion, and sealing washer screw thread seat 8 realizes sealing of special-shaped seal circle 9 and conical valve core 11 and casing 10 from casing both sides screw in, and compression spring 12 continuously provides decurrent pressure for conical valve core 11 on conical valve core 11 upper portion to guarantee conical valve core 11's the degree of compressing tightly. The upper part of the compression spring 12 is an upper cover 3, and the rotating rod 5, the pressing cap 1 and the sealing ring 2 are all arranged on the upper cover 3 to form a control valve core to operate and seal the shell and an external space. The guide cylinder at the upper end of the conical valve core 11 is used as a spring base to ensure that the compression spring 12 does not displace in use, and the upper end of the guide cylinder is provided with a steering groove 15 which is used for matching with the rotating rod 5 to realize the rotation of the conical valve core 11 to complete the opening and closing action.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims (4)

1. A valve with an upper conical spherical center comprises a shell (10), wherein an inlet end and an outlet end are respectively arranged on two sides of the shell (10), and the inlet end and the outlet end of the shell (10) are respectively in threaded connection with two steel pipes (13); the method is characterized in that: the upper part of the shell (10) is opened, the conical valve core (11) is installed inside the shell (10) through the upper part opening of the shell (10), the side surface of the conical valve core (11) is designed into a conical surface, a through hole (14) is transversely formed in the conical valve core (11), the through hole (14) can be communicated with the inlet end and the outlet end of the shell (10), the upper end of the conical valve core (11) is provided with a guide cylinder, and the upper end surface of the guide cylinder is provided with a steering groove (15);
the upper opening end of the shell (10) is hermetically connected with the upper cover (3), a compression spring (12) is installed between the upper cover (3) and the conical valve core (11), the compression spring (12) is sleeved on a guide cylinder of the conical valve core (11), the lower end of the rotary rod (5) penetrates through the upper cover (3) and is inserted into a steering groove (15) of the conical valve core (11), the rotary rod (5) can drive the conical valve core (11) to rotate, the pressing cap (1) penetrates through the upper end of the rotary rod (5) and is connected with the inner wall of the upper cover (3), and the lower end of the pressing cap (1) is pressed on the step surface of the outer wall of the rotary rod (5);
the special-shaped sealing rings (9) are respectively arranged on two sides of the conical valve core (11), the special-shaped sealing rings (9) are matched with the conical surface on the outer side of the conical valve core (11), sealing ring thread seats (8) are respectively arranged on the outer sides of the special-shaped sealing rings (9) on the two sides, and the two sealing ring thread seats (8) are respectively in threaded connection with the inner wall of the inlet end and the inner wall of the outlet end of the shell (10); the outer sides of the two steel pipes (13) are respectively connected with a locking nut (6) in a sealing threaded manner.
2. The top-loading conical-spherical-center valve according to claim 1, wherein: the upper opening end of the shell (10) is connected with the upper cover (3) in a threaded mode, and the upper cover (3) and the upper opening end of the shell (10) are sealed through an O-shaped sealing ring I (4).
3. The top-loading conical-spherical-center valve according to claim 1, wherein: install sealing washer (2) on upper cover (3) inner wall, it is sealed through sealing washer (2) between upper cover (3) inner wall and rotary rod (5).
4. The top-loading conical-spherical-center valve according to claim 1, wherein: and the inner side of the locking nut (6) is provided with a limiting step (16), the limiting step (16) is provided with an O-shaped sealing ring II (7), and the locking nut (6), the outer wall of the steel pipe (13) and the inlet end face or the outlet end face of the shell (10) are sealed through the O-shaped sealing ring II (7).
CN202222545937.XU 2022-09-26 2022-09-26 Top-mounted conical spherical valve Active CN218152438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222545937.XU CN218152438U (en) 2022-09-26 2022-09-26 Top-mounted conical spherical valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222545937.XU CN218152438U (en) 2022-09-26 2022-09-26 Top-mounted conical spherical valve

Publications (1)

Publication Number Publication Date
CN218152438U true CN218152438U (en) 2022-12-27

Family

ID=84564145

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222545937.XU Active CN218152438U (en) 2022-09-26 2022-09-26 Top-mounted conical spherical valve

Country Status (1)

Country Link
CN (1) CN218152438U (en)

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