CN219827789U

CN219827789U - Reset ball valve

Info

Publication number: CN219827789U
Application number: CN202321241247.3U
Authority: CN
Inventors: 费福旭
Original assignee: Zhejiang Aoqi Valve Technology Co ltd
Current assignee: Zhejiang Aoqi Valve Technology Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-13
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to a reset ball valve, which comprises a valve body, wherein a valve ball is arranged in the valve body, a valve rod is rotationally connected to the valve body, a connecting rod with an elliptical cross section is integrally formed at the upper end of the valve rod, an elliptical through hole for the connecting rod to pass through is formed on a handle, a handle limiting sleeve is arranged on the connecting rod, the connecting rod is in transition fit in an elliptical inner hole of the handle limiting sleeve, a handle is clamped between the handle limiting sleeve and the valve rod, a threaded rod is integrally formed at the upper end of the connecting rod, the threaded rod penetrates through a penetrating hole at the upper end of the handle limiting sleeve, a hexagonal stop block is connected to the threaded rod, the hexagonal stop block is tightly pressed on the handle limiting sleeve, a torsion spring for driving the valve rod to close the valve ball is sleeved on the handle limiting sleeve, the torsion spring is positioned between the hexagonal stop block and the handle, and two ends of the torsion spring comprise a first torsion arm and a second torsion arm which are connected with the valve body.

Description

Reset ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a reset ball valve.

Background

Ball valves are used in pipelines mainly to cut off, distribute and change the flow direction of a medium, and can be tightly closed only by rotating the ball valve by 90 degrees and small rotating moment. The ball valve is most suitable for being used as a switch and a cut-off valve. The ball valve is specifically that the ball is driven by the valve rod and rotates around the axis of the ball valve so as to achieve the purpose of opening and closing, besides the electric ball valve, the manually operated ball valve is not automatically reset and closed after being opened, in a part of use scenes, the ball valve needs to be in a closed state for a long time, after being opened by occasional manual operation, the ball valve needs to be automatically reset after the hands leave, most of the existing manually operated ball valve cannot meet the requirement, and in addition, a small part of the ball valve capable of being automatically reset is slightly deficient in structure, such as the patent application number is: the ball valve with the reset function comprises a ball valve with a reset function, wherein a through hole of a handle 7 is in threaded connection with a long rod nut 6 at the upper end of a valve rod 4, a torsion spring 9 is arranged between the connecting handle 7 and the long rod nut 6, and the structure can drive the torsion spring 9 to generate certain rotation friction on the long rod nut 6 when the handle 7 rotates, so that the long rod nut 6 can be possibly driven to rotate, and the long rod nut 6 is loosened from the upper end of the valve rod 4.

Disclosure of Invention

The utility model provides a reset ball valve which is reasonable in structural design and can realize automatic reset after the ball valve is manually opened, so that the problems in the using process in the prior art are solved.

The technical scheme of the utility model is realized as follows: the utility model provides a reset ball valve, includes the valve body, be equipped with the valve ball in the valve body, it is connected with the valve rod to rotate on the valve body, the lower extreme and the valve ball of valve rod are connected, the upper end of valve rod is equipped with the handle, the upper end integrated into one piece of valve rod has the cross-section to personally submit oval connecting rod, offer the oval through-hole that supplies the connecting rod to pass on the handle, be equipped with the handle stop collar on the connecting rod, offer the oval hole of opening downwards in the handle stop collar, connecting rod transitional coupling is in oval hole, the handle is pressed from both sides tightly between handle stop collar and valve rod, the through-hole that pierces into oval hole is offered to the upper end of handle stop collar, the upper end integrated into one piece of connecting rod has the threaded rod, the threaded rod pierces through the through-hole, threaded connection has the hexagonal dog, the hexagonal dog compresses tightly on the handle stop collar, the cover is equipped with the torsional spring that is used for driving the valve rod and closes the valve ball, the torsional spring is located between hexagonal dog and the handle, the both ends of torsional spring are including first torsion arm and second torsion arm, first torsion arm is connected with the handle looks, the second torsion arm is connected with the handle.

Preferably, the lower extreme of hexagonal dog has seted up first screw hole, the second screw hole has been seted up at the inside of first screw hole to hexagonal dog, threaded rod threaded connection is at second screw hole, the external screw thread that is used for threaded connection at second screw hole has been seted up to the lateral wall upper end of handle stop collar.

Preferably, the valve body is fixedly connected with a socket, the socket is provided with an upward opening jack, and the first torsion arm is bent downward to extend and is inserted into the jack.

Preferably, the handle is including linkage segment, section of bending and holding the section, oval through-hole is located the linkage segment, the one end of section of bending is connected on the linkage segment, and the other end slope sets up, hold section fixed connection and keep away from on the one end of linkage segment at the section of bending.

Preferably, the second torsion arm comprises a U-shaped arm formed by bending, and the U-shaped arm is hooked on one side of the holding section close to the bending section.

Preferably, the holding section is provided with a bayonet, and the bayonet is used for clamping the U-shaped arm.

Preferably, the connecting section is fixedly connected with limiting plate bent downwards on the end far away from the bending section, a first limiting block and a second limiting block are circumferentially arranged on the valve body, and the limiting plate is located between the first limiting block and the second limiting block.

In summary, the beneficial effects of the utility model are as follows:

1. according to the utility model, the connecting rod can be driven by rotating the handle, so that the connecting rod drives the valve rod to drive the valve ball to beat, after a user loosens the handle, the torsion spring can drive the handle to reset and rotate, so that the connecting rod drives the valve rod to close the valve ball, and therefore, the automatic valve ball reset function can be realized.

2. The hexagonal dog carries out threaded connection through the threaded rod on second screw hole and the connecting rod to carry out threaded connection through the external screw thread of first screw hole and handle stop collar upper end, it is firm to connect, even like this the upper end of torsional spring is contradicted on the hexagonal dog, also be difficult to when the handle rotates, drive the hexagonal dog through torsional spring and the rotation friction of hexagonal dog.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 when viewed at another angle;

FIG. 3 is a schematic view of the structure of the present utility model with the torsion spring removed;

FIG. 4 is an exploded view of the structure of the present utility model with the torsion spring removed;

FIG. 5 is a schematic view of the structure of FIG. 4 when viewed at another angle;

FIG. 6 is a schematic cross-sectional view of a valve stem, handle stop and hex stop portion of the present utility model.

In the figure: 10. a valve body; 11. a socket; 111. a jack; 12. a first limiting block; 13. a second limiting block; 20. a valve ball; 30. a valve stem; 31. a connecting rod; 32. a threaded rod; 40. a handle; 41. a connection section; 411. an elliptical through hole; 42. a bending section; 43. holding the section by hand; 431. a bayonet; 44. a limiting plate; 50. a handle limit sleeve; 51. an elliptical inner bore; 52. a penetrating hole; 53. an external thread; 60. a hexagonal stop block; 61. a first threaded hole; 62. a second threaded hole; 70. a torsion spring; 71. a first torsion arm; 72. the second torsion arm; 721. u-shaped arm.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

as shown in fig. 1 to 6, the present utility model discloses a reset ball valve, which comprises a valve body 10, wherein a valve ball 20 is arranged in the valve body 10, a valve rod 30 is rotatably connected to the valve body 10, the lower end of the valve rod 30 is connected with the valve ball 20, a handle 40 is also arranged at the upper end of the valve rod 30, wherein a connecting rod 31 with an elliptical cross section is integrally formed at the upper end of the valve rod 30, an elliptical through hole 411 for the connecting rod 31 to pass through is arranged on the handle 40, the elliptical through hole 411 is just matched with the connecting rod 31, so that the handle 40 cannot rotate relative to the connecting rod 31, in addition, a handle limit sleeve 50 is arranged on the connecting rod 31, an elliptical inner hole 51 with a downward opening is arranged in the handle limit sleeve 50, the connecting rod 31 is in transition fit in the elliptical inner hole 51, so that the handle limit sleeve 50 cannot rotate relative to the connecting rod 31, and the handle 40 is clamped between the handle limit sleeve 50 and the valve rod 30, the handle 40 will not shake, then, a penetrating hole 52 penetrating into the elliptical hole 51 is formed at the upper end of the handle limit sleeve 50, a threaded rod 32 is integrally formed at the upper end of the connecting rod 31, the threaded rod 32 penetrates through the penetrating hole 52, a hexagonal stop 60 is screwed on the threaded rod 32, the hexagonal stop 60 is pressed on the handle limit sleeve 50, therefore, the handle limit sleeve 50 is firmly fixed on the connecting rod 31, in addition, a torsion spring 70 for driving the valve rod 30 to close the valve ball 20 is sleeved on the handle limit sleeve 50, the torsion spring 70 is positioned between the hexagonal stop 60 and the handle 40, so that the torsion spring 70 will not fall out of the handle limit sleeve 50, two ends of the torsion spring 70 comprise a first torsion arm 71 and a second torsion arm 72, wherein the first torsion arm 71 is connected with the valve body 10, and the second torsion arm 72 is connected with the handle 40.

According to the utility model, the connecting rod 31 can be driven by rotating the handle 40, so that the connecting rod 31 drives the valve rod 30 to drive the valve ball 20 to hit, and after a user releases the handle 40, the torsion spring 70 can drive the handle 40 to reset and rotate, so that the connecting rod 31 drives the valve rod 30 to close the valve ball 20, therefore, the automatic valve ball 20 resetting function can be realized.

The specific structure of the hexagonal block 60 screwed on the threaded rod 32 is as follows: the first threaded hole 61 is formed at the lower end of the hexagonal stopper 60, and the second threaded hole 62 is formed in the hexagonal stopper 60 in the first threaded hole 61, wherein the threaded rod 32 is threaded in the second threaded hole 62, and the external thread 53 for threaded connection in the second threaded hole 62 is formed at the upper end of the outer sidewall of the handle stop collar 50, that is, the hexagonal stopper 60 is threaded with the threaded rod 32 on the connecting rod 31 through the second threaded hole 62, and is threaded with the external thread 53 at the upper end of the handle stop collar 50 through the first threaded hole 61, the connection structure is very stable, and generally, the upper side of the torsion spring 70 is not in contact with the hexagonal stopper 60, but even if the upper end of the torsion spring 70 is abutted against the hexagonal stopper 60, the hexagonal stopper 60 is not easily driven by the rotational friction of the torsion spring 70 and the hexagonal stopper 60 when the handle 40 rotates through the structure.

The specific structure of the first torsion arm 71 connected with the valve body 10 is as follows: the valve body 10 is fixedly connected with a socket 11, and the socket 11 is provided with an upward opening jack 111, wherein the first torsion arm 71 is downwards bent and extended and inserted into the jack 111, and the connection is firm.

The handle 40 specifically includes a connecting section 41, a bending section 42, and a holding section 43, wherein the oval through hole 411 is located on the connecting section 41, one end of the bending section 42 is connected to the connecting section 41, the other end is inclined upwards, the holding section 43 is fixedly connected to one end of the bending section 42 far away from the connecting section 41, that is, the holding section 43 is higher than the connecting section 41, so that the holding section 43 has a certain distance from the valve body 10, thereby facilitating the holding and rotation of the user.

The specific structure of the second torsion arm 72 connected to the handle 40 is: the second torsion arm 72 includes a U-shaped arm 721 formed by bending, the U-shaped arm 721 is hooked on one side of the hand holding section 43 near the bending section 42, and a bayonet 431 is further formed on the hand holding section 43, and the bayonet 431 is used for the U-shaped arm 721 to be clamped in, so that the second torsion arm 72 can be reliably connected to the handle 40, and is not easy to break out.

In the utility model, a limiting plate 44 bent downwards is fixedly connected to one end of the connecting section 41 far away from the bending section 42, a first limiting block 12 and a second limiting block 13 are circumferentially arranged on the valve body 10, the limiting plate 44 is positioned between the first limiting block 12 and the second limiting block 13, and the rotation range of the limiting plate 44 between the first limiting block 12 and the second limiting block 13 is 90 degrees.

Also, the terms pointed out by the present utility model are as follows: the directional or positional relationships indicated by the terms "front", "rear", "vertical", "horizontal", etc., are based on the directional or positional relationships shown in the drawings, are merely for convenience in describing the utility model and to simplify the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed to limit the scope of the utility model.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a ball valve resets, includes valve body (10), be equipped with valve ball (20) in valve body (10), it is connected with valve rod (30) to rotate on valve body (10), the lower extreme of valve rod (30) is connected with valve ball (20), the upper end of valve rod (30) is equipped with handle (40), its characterized in that: the upper end integrated into one piece of valve rod (30) has connecting rod (31) that the cross-section is oval form, offer oval through-hole (411) that supplies connecting rod (31) to pass on handle (40), be equipped with handle stop collar (50) on connecting rod (31), offer oval hole (51) that the opening is down in handle stop collar (50), connecting rod (31) transition fit is in oval hole (51), handle (40) are pressed from both sides tightly between handle stop collar (50) and valve rod (30), the upper end of handle stop collar (50) is offered and is worn through hole (52) that pass through oval hole (51), the upper end integrated into one piece of connecting rod (31) has threaded rod (32), threaded rod (32) pass through hole (52), threaded connection has hexagonal dog (60) on threaded rod (32), hexagonal dog (60) compress tightly on handle stop collar (50), the cover is equipped with and is used for driving valve rod (30) to close ball (70), torsion spring (70) are located between torsion spring (70) and torsion spring (40) and torsion spring (70), the first torsion arm (71) is connected with the valve body (10), and the second torsion arm (72) is connected with the handle (40).

2. The reset ball valve of claim 1, wherein: the lower extreme of hexagonal dog (60) has seted up first screw hole (61), second screw hole (62) have been seted up in the inside of first screw hole (61) to hexagonal dog (60), threaded rod (32) threaded connection is in second screw hole (62), external screw thread (53) that are used for threaded connection in second screw hole (62) are seted up to the lateral wall upper end of handle stop collar (50).

3. The reset ball valve of claim 1, wherein: the valve body (10) is fixedly connected with a socket (11), the socket (11) is provided with an upward-opening jack (111), and the first torsion arm (71) is downwards bent and extends and is inserted into the jack (111).

4. The reset ball valve of claim 1, wherein: the handle (40) comprises a connecting section (41), a bending section (42) and a holding section (43), wherein the oval through hole (411) is formed in the connecting section (41), one end of the bending section (42) is connected to the connecting section (41), the other end of the bending section is obliquely arranged upwards, and the holding section (43) is fixedly connected to one end, far away from the connecting section (41), of the bending section (42).

5. The reset ball valve of claim 4, wherein: the second torsion arm (72) comprises a U-shaped arm (721) formed by bending, and the U-shaped arm (721) is hooked on one side of the holding section (43) close to the bending section (42).

6. The reset ball valve of claim 5, wherein: the holding section (43) is provided with a bayonet (431), and the bayonet (431) is used for clamping the U-shaped arm (721) in.

7. The reset ball valve of claim 4, wherein: the connecting section (41) is fixedly connected with a limiting plate (44) which is bent downwards at one end far away from the bending section (42), a first limiting block (12) and a second limiting block (13) are circumferentially arranged on the valve body (10), and the limiting plate (44) is located between the first limiting block (12) and the second limiting block (13).