CN217736409U

CN217736409U - Quickly-installed stop valve used in high-pressure fluid

Info

Publication number: CN217736409U
Application number: CN202221881090.6U
Authority: CN
Inventors: 滕纪明; 林水花; 张忠林; 杜苏娟; 向观伟; 蔡运动
Original assignee: Jiangsu Fuerda Machinery Co ltd
Current assignee: Jiangsu Fuerda Machinery Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-04
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a stop valve that is arranged in high pressure fluid can install fast relates to stop valve technical field. The utility model comprises a stop valve main body, wherein both ends of the stop valve main body are provided with threaded interfaces for connecting the stop valve main body; the outer side of the threaded connector is connected with a transmission gear in a meshed mode, one side of the stop valve body is provided with a driving mechanism used for rotation of the two threaded connectors, and one end, close to the threaded connector, of the stop valve body is fixed with a second circular limiting piece. The utility model discloses an actuating mechanism for two hickeys can rotate, make hickey and outside pipeline be connected, make the stop valve main part can obtain quick installation, pipeline seal time overlength when preventing the installation, and hickey's connection makes first circular spacing piece remove towards the circular spacing piece of second, and the setting of sealing ring can prevent revealing of liquid, improves the leakproofness of this device.

Description

Quickly-installed stop valve used in high-pressure fluid

Technical Field

The utility model belongs to the technical field of the stop valve, especially, relate to a stop valve that is arranged in high-pressure fluid can install fast.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur.

Most of the existing stop valves are staggered, one end of each stop valve is high, and the other end of each stop valve is low, so that the on-off of high-pressure fluid is conveniently controlled;

in a shut-off valve for high-pressure fluid, the valve cannot be quickly installed, resulting in a long closing time of a pipe, resulting in an increase in the internal pressure of the pipe, resulting in a rupture of the pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop valve that is arranged in high-pressure fluid can install fast to solve current problem: in a shut-off valve for use with high-pressure fluids, the inability to install quickly results in long conduit closure times, resulting in increased conduit internal pressure, resulting in conduit rupture.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a stop valve capable of being quickly installed for high-pressure fluid comprises a stop valve main body, wherein two ends of the stop valve main body are respectively provided with a threaded connector for connecting the stop valve main body;

the outside meshing of hickey is connected with drive gear, one side of stop valve main part is provided with the actuating mechanism who is used for two hickeys to rotate.

Further, the one end that the stop valve main part is close to the hickey is fixed with the circular spacing piece of second, the inside sliding connection of the circular spacing piece of second has transverse connection pipe, transverse connection pipe and hickey fixed connection, transverse connection pipe is close to the one end of stop valve main part and is located transverse connection pipe's the outside and is fixed with first circular spacing piece.

Furthermore, the inside of stop valve main part just is located the circular spacing piece of second and is close to the one end of first circular spacing piece and the outside of transverse connection pipe just is located the circular spacing piece of first circular one end of being close to the circular spacing piece of second and all is provided with the sealing ring.

Furthermore, a plurality of gear grooves are formed in the outer side of the threaded connector, the threaded connector is in meshed connection with the transmission gear through the gear grooves, and the threaded grooves are formed in the threaded connector.

Furthermore, the driving mechanism comprises a transmission case, a rotating part is rotatably connected inside the transmission case, a second bevel gear is fixed at one end of the rotating part, a hand wheel is arranged at the other end of the rotating part, two sides of one end of the second bevel gear are respectively connected with a first bevel gear in a meshing manner, a transverse rotating rod is fixed at one end, close to the transmission gear, of the first bevel gear, and the transverse rotating rod is fixedly connected with the transmission gear.

Further, transmission case and stop valve main part fixed connection, the outside of horizontal rotary rod is rotated and is connected with arc locating part, arc locating part and stop valve main part fixed connection.

Furthermore, the outer side of the rotating part is provided with a circular rotating ring, a circular groove matched with the circular rotating ring is formed in the transmission case, and the rotating part is in sliding connection with the transmission case through the matching of the circular rotating ring and the circular groove.

Furthermore, one end of the hand wheel close to the rotating part is provided with a cross block, a cross groove matched with the cross block is formed in the rotating part, and the hand wheel is connected with the rotating part in a sliding mode through the cross block and the cross groove in a matched mode.

The utility model discloses following beneficial effect has:

the utility model discloses an actuating mechanism for two hickeys can rotate, make hickey and outside pipeline be connected, make the stop valve main part can obtain quick installation, pipeline seal time overlength when preventing the installation, and hickey's connection makes first circular spacing piece remove towards the circular spacing piece of second, and the setting of sealing ring can prevent revealing of liquid, improves the leakproofness of this device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the screw interface and the transmission gear of the present invention;

FIG. 3 is a sectional view showing the structure inside the cut-off valve body according to the present invention;

FIG. 4 is a sectional view of the interior of the transmission case of the present invention;

fig. 5 is a schematic structural view of the hand wheel and the rotating member of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a shut-off valve body; 2. a threaded interface; 3. a transmission gear; 4. a transverse rotating rod; 5. an arc-shaped limiting part; 6. a hand wheel; 7. a transverse connecting pipe; 71. a first circular limiting piece; 8. a second circular limiting piece; 9. a seal ring; 10. a transmission case; 11. a first bevel gear; 12. a second bevel gear; 13. a rotating member.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model relates to a stop valve for high pressure fluid, which can be installed quickly, comprising a stop valve main body 1, wherein both ends of the stop valve main body 1 are provided with screw interfaces 2 for connecting the stop valve main body 1;

the outer side of the threaded connector 2 is connected with a transmission gear 3 in a meshing mode, and one side of the stop valve main body 1 is provided with a driving mechanism used for rotating the two threaded connectors 2.

The one end that stop valve main part 1 is close to hickey 2 is fixed with the circular spacing piece 8 of second, and the inside sliding connection of the circular spacing piece 8 of second has transverse connection pipe 7, and transverse connection pipe 7 and hickey 2 fixed connection, transverse connection pipe 7 are close to the one end of stop valve main part 1 and are located the outside of transverse connection pipe 7 and are fixed with first circular spacing piece 71.

Sealing rings 9 are arranged at one end, close to the first circular limiting piece 71, of the second circular limiting piece 8 and at one end, close to the second circular limiting piece 8, of the outer side of the transverse connecting pipe 7, of the first circular limiting piece 71, and the two sealing rings 9 are arranged, so that liquid in the stop valve body 1 and the threaded connector 2 can be prevented from overflowing;

a plurality of gear grooves are formed in the outer side of the threaded connector 2, the threaded connector 2 is meshed with the transmission gear 3 through the gear grooves, the threaded connector 2 is internally provided with threaded grooves, and the threaded connector 2 can rotate through the gear grooves;

the driving mechanism comprises a transmission case 10, a rotating part 13 is rotatably connected inside the transmission case 10, a circular rotating ring is arranged on the outer side of the rotating part 13, a circular groove matched with the circular rotating ring is formed in the transmission case 10, the rotating part 13 is in sliding connection with the transmission case 10 through the matching of the circular rotating ring and the circular groove, and the rotating part 13 can rotate inside the transmission case 10 through the arrangement of the circular rotating ring and the circular groove;

a second bevel gear 12 is fixed at one end of the rotating part 13, a hand wheel 6 is arranged at the other end of the rotating part 13, a cross block is arranged at one end, close to the rotating part 13, of the hand wheel 6, a cross groove matched with the cross block is formed in the rotating part 13, the hand wheel 6 is in sliding connection with the rotating part 13 through matching of the cross block and the cross groove, and the hand wheel 6 can be connected with the rotating part 13 through arrangement of the cross block and the cross groove;

both sides of one end of the second bevel gear 12 are engaged with a first bevel gear 11, one end of the first bevel gear 11 close to the transmission gear 3 is fixed with a transverse rotating rod 4, and the transverse rotating rod 4 is fixedly connected with the transmission gear 3.

The transmission case 10 is fixedly connected with the stop valve main body 1, the outer side of the transverse rotating rod 4 is rotatably connected with an arc-shaped limiting piece 5, and the arc-shaped limiting piece 5 is fixedly connected with the stop valve main body 1, so that the transverse rotating rod 4 can rotate inside the arc-shaped limiting piece 5;

here, the rotation of the hand wheel 6 enables the rotating member 13 to rotate inside the transmission case 10, and further enables the second bevel gear 12 to rotate, the rotation of the second bevel gear 12 enables the two first bevel gears 11 to rotate, the rotation of the first bevel gears 11 enables the transmission gear 3 to rotate through the transverse rotating rod 4, the rotation of the transmission gear 3 enables the threaded interface 2 to rotate, so that the threaded interface 2 can be connected with an external pipeline, and the threaded interface 2 is connected, so that the first circular limiting piece 71 can slide inside the stop valve main body 1, and the first circular limiting piece 71 can move towards the second circular limiting piece 8, so that the two sealing rings 9 can be attached, thereby preventing the leakage of liquid and improving the sealing performance of the device;

through actuating mechanism for two hickeys 2 can rotate, make hickey 2 be connected with external pipeline, make stop valve main part 1 can obtain quick installation, pipeline closure time overlength when preventing the installation, and hickey 2's connection makes first circular spacing piece 71 remove towards the circular spacing piece 8 of second, and the setting of sealing ring 9 can prevent revealing of liquid, improves the leakproofness of this device.

Reference throughout this specification to the description of "one embodiment," "an example," "a specific example," or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A stop valve capable of being installed quickly for high-pressure fluid comprises a stop valve main body (1), and is characterized in that two ends of the stop valve main body (1) are provided with threaded connectors (2) for connecting the stop valve main body (1);

the outer side of the threaded connector (2) is connected with a transmission gear (3) in a meshed mode, and a driving mechanism used for rotating the two threaded connectors (2) is arranged on one side of the stop valve main body (1).

2. The quick-installation stop valve for the high-pressure fluid is characterized in that a second round limiting sheet (8) is fixed to one end, close to the threaded connector (2), of the stop valve body (1), a transverse connecting pipe (7) is connected to the inside of the second round limiting sheet (8) in a sliding mode, the transverse connecting pipe (7) is fixedly connected with the threaded connector (2), and a first round limiting sheet (71) is fixed to the outer side, close to one end of the stop valve body (1), of the transverse connecting pipe (7) and located on the outer side of the transverse connecting pipe (7).

3. The quick-installation stop valve for high-pressure fluid according to claim 2, characterized in that the sealing rings (9) are arranged at one end of the second circular limiting sheet (8) close to the first circular limiting sheet (71) and at one end of the first circular limiting sheet (71) close to the second circular limiting sheet (8) outside the transverse connecting pipe (7) in the inside of the stop valve body (1).

4. The rapidly-installed stop valve for the high-pressure fluid is characterized in that a plurality of gear grooves are formed in the outer side of the threaded connector (2), the threaded connector (2) is in meshed connection with the transmission gear (3) through the gear grooves, and the threaded connector (2) is internally provided with the thread grooves.

5. The quick-mounting stop valve for the high-pressure fluid is characterized in that the driving mechanism comprises a transmission case (10), a rotating member (13) is rotatably connected inside the transmission case (10), one end of the rotating member (13) is fixed with a second bevel gear (12), the other end of the rotating member (13) is provided with a hand wheel (6), two sides of one end of the second bevel gear (12) are respectively connected with a first bevel gear (11) in a meshing manner, one end of the first bevel gear (11) close to the transmission gear (3) is fixed with a transverse rotating rod (4), and the transverse rotating rod (4) is fixedly connected with the transmission gear (3).

6. A quick-installable shut-off valve for use in high pressure fluids according to claim 5, characterised in that the transmission box (10) is fixedly connected to the shut-off valve body (1), the outer side of the transverse rotating rod (4) is rotatably connected to an arc-shaped limiting member (5), and the arc-shaped limiting member (5) is fixedly connected to the shut-off valve body (1).

7. A quick-mounting stop valve for high-pressure fluids according to claim 5, characterized in that the outer side of the rotary member (13) is provided with a circular rotating ring, the interior of the transmission case (10) is provided with a circular groove adapted to the circular rotating ring, and the rotary member (13) and the transmission case (10) are slidably connected through the matching of the circular rotating ring and the circular groove.

8. The quick-mounting stop valve for high-pressure fluid according to claim 5, characterized in that a cross block is arranged at one end of the hand wheel (6) close to the rotating piece (13), a cross groove matched with the cross block is formed in the rotating piece (13), and the hand wheel (6) is in sliding connection with the rotating piece (13) through the matching of the cross block and the cross groove.