CN213541392U

CN213541392U - Double ball valve

Info

Publication number: CN213541392U
Application number: CN202022563585.1U
Authority: CN
Inventors: 胡雁军
Original assignee: Wuxi Kaili Valve Industry Co ltd
Current assignee: Wuxi Kaili Valve Industry Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-25
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a double ball valve, include: the valve body comprises a channel which is arranged in a penetrating way along a first direction, and a valve chamber is arranged in the middle of the channel; the cover body is arranged at the upper end of the valve body; the partition plate is arranged in the cover body, and an accommodating space is formed between the partition plate and the cover body; the first sealing element is arranged between the partition plate and the cover body and used for sealing a gap between the partition plate and the cover body; the two ball valve assemblies are arranged in the valve chamber at intervals along a first direction, each ball valve assembly comprises a valve shaft and a ball body, and the valve shafts extend along a second direction perpendicular to the first direction; and the driving mechanism is arranged in the accommodating space and is connected with one end, extending to the accommodating space, of the valve shafts of the two ball valve assemblies, and is used for driving the two valve shafts to synchronously rotate around the axes of the two valve shafts. The utility model discloses a set up first sealing member between lid and division board, can seal the clearance between division board and the lid to make the water in the valve chamber can not invade in the actuating mechanism.

Description

Double ball valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a double ball valve.

Background

The ball valve is a valve whose opening and closing piece is driven by valve rod and can make rotary motion around the axis of ball valve, and can be used for regulating and controlling fluid. Among the prior art, the inside sealing performance of two ball valve valves is relatively poor, often can be because the leakproofness leads to water to be when passing through inadequately, and water can invade two ball valve's actuating mechanism to the influence is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double ball valve to solve the inside sealing performance of double ball valve among the prior art relatively poor, often can be because the leakproofness leads to water inadequately when passing through, and water can invade the actuating mechanism of double ball valve, thereby influences the problem of using.

In order to solve the technical problem, the utility model discloses a technical scheme provide a double ball valve, include:

the valve body comprises a channel which is arranged in a penetrating way along a first direction, and a valve chamber is arranged in the middle of the channel;

the cover body is arranged at the upper end of the valve body;

the partition plate is arranged in the cover body, and an accommodating space is formed between the partition plate and the cover body;

a first sealing member provided between the partition plate and the cover body for sealing a gap between the partition plate and the cover body;

the two ball valve assemblies are arranged in the valve chamber at intervals along the first direction, each ball valve assembly comprises a valve shaft and a ball body, the valve shafts extend along a second direction perpendicular to the first direction, one end of each valve shaft penetrates through the partition plate to extend into the containing space, and the other end of each valve shaft extends into the valve chamber and is connected with the ball body; each sphere is provided with a through hole, and the extending directions of the through holes of the two spheres are the same;

and the driving mechanism is arranged in the accommodating space, is connected with one end of the valve shaft of the two ball valve assemblies, which extends to the accommodating space, and is used for driving the two valve shafts to synchronously rotate around the axes of the two valve shafts.

In an embodiment of the present invention, the cover is detachably disposed on the valve body, and the separation plate is detachably disposed in the cover.

In an embodiment of the present invention, the driving mechanism includes:

the knob is rotatably arranged on the cover body, and one end of the knob penetrates through the cover body and extends to the accommodating space;

the driving gear is arranged at one end of the knob extending to the accommodating space;

the two driven gears are respectively arranged at one ends of the two ball valve assemblies, the valve shafts of the two ball valve assemblies extend to the accommodating space, and the two driven gears are respectively meshed with the driving gear.

In an embodiment of the present invention, the knob is rotatably disposed on the cover through a first bearing, and one end of the knob extending into the accommodating space is rotatably disposed on the partition plate through a second bearing.

In an embodiment of the present invention, the valve shaft is rotatably disposed on the partition plate through the second bearing, and one end of the valve shaft extending into the accommodating space is rotatably disposed on the cover through the first bearing.

In an embodiment of the present invention, the second bearing is a waterproof bearing.

In an embodiment of the present invention, each of the outer peripheral walls of the sphere is provided with two second sealing members, and two of the second sealing members are disposed at intervals along the first direction and located at two sides of the center of the sphere.

In an embodiment of the present invention, a supporting shaft is disposed on the inner bottom wall of the valve chamber, the supporting shaft extends along the second direction and the central line of the supporting shaft passes through the center of the sphere, and the sphere is rotatably disposed on the supporting shaft around its axis.

In an embodiment of the present invention, a bushing is sleeved on the supporting shaft, and the bushing is connected with the ball.

In an embodiment of the present invention, two sealing pads are disposed in the valve chamber, two of the sealing pads are respectively in contact with the ball along two sides in the second direction for sealing the valve body and the gap between the balls, each of the sealing pads is provided with an avoiding hole.

The utility model discloses an useful part lies in:

different from the prior art, the technical scheme of the utility model is applied, the driving mechanism is arranged in the containing space formed between the cover body and the partition plate, so that the driving mechanism is separated from the two ball valve components; through set up first sealing member between lid and division board, can seal the clearance between division board and the lid to make the water in the valve chamber can not invade actuating mechanism in, improved the inside sealing performance of two ball valve valves.

Drawings

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

Fig. 1 is a schematic sectional view of a double ball valve according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an embodiment of the present invention provides a double ball valve, including: valve body 1, lid 2, actuating mechanism 3, division board 4, first sealing member 41 and two ball valve assemblies 5. The valve body 1 includes a passage 11 provided therethrough in a first direction (left-right direction shown in fig. 1), and a valve chamber 12 is provided in an intermediate position of the passage 11. The cover 2 is disposed at the upper end of the valve body 1. The partition plate 4 is provided in the lid body 2, and forms an accommodation space with the lid body 2. The first seal 41 is provided between the partition plate 4 and the lid body 2 for sealing the gap between the partition plate 4 and the lid body 2. The two ball valve assemblies 5 are arranged in the valve chamber 12 at intervals along a first direction, each ball valve assembly 5 comprises a valve shaft 51 and a ball 52, the valve shaft 51 extends along a second direction (the up-down direction shown in fig. 1) perpendicular to the first direction, one end of the valve shaft 51 penetrates through the partition plate 4 to extend into the accommodating space, and the other end of the valve shaft 51 extends into the valve chamber 12 and is connected with the ball 52; each of the balls 52 is provided with a through hole 521, and the through holes 521 of the two balls 52 extend in the same direction. The driving mechanism 3 is disposed in the accommodating space, and is connected to one end of the valve shafts 51 of the two ball valve assemblies 5, which extends to the accommodating space, for driving the two valve shafts 51 to rotate synchronously around their axes.

In the double-ball valve, the driving mechanism 3 is arranged in the accommodating space formed between the cover body 2 and the partition plate 4, so that the driving mechanism 3 is separated from the two ball valve assemblies 5; by providing the first seal 41 between the lid body 2 and the partition plate 4, the gap between the partition plate 4 and the lid body 2 can be sealed, so that water in the valve chamber 12 does not intrude into the drive mechanism 3, and the sealing performance inside the double ball valve is improved.

In the embodiment, the upper end of the valve body 1 is provided with a slot, and the lower end of the cover body 2 is inserted into the slot. The partition plate 4 is provided in the lid body 2, and includes a partition portion and an installation portion connected to each other, the partition portion extends in the horizontal direction, and the installation portion is provided at the peripheral edge of the partition portion and extends in the vertical direction. The first seal 41 is a seal ring, and the first seal 41 is provided between the inner wall of the lid body 2 and the outer wall of the mounting portion of the partition plate 4. The screw 21 is screwed to the mounting portion of the partition plate 4 through the valve body 1, the lid body 2, and the first seal 41 in this order. Thus, the cover body 2 is detachably disposed on the valve body 1, and the partition plate 4 is detachably disposed in the cover body 2, so that the cover body 2, the partition plate 4, and the first sealing member 41 are easily detached from each other, thereby facilitating the cleaning of the inside of the valve body 1.

In the embodiment of the present invention, the driving mechanism 3 includes a knob 31, a driving gear 32 and a driven gear 33. The knob 31 is rotatably disposed on the cover 2, and one end of the knob 31 extends through the cover 2 to the accommodating space. The driving gear 32 is disposed at an end of the knob 31 extending to the receiving space. The two driven gears 33 are respectively arranged at one end of the valve shaft 51 of the two ball valve assemblies 5 extending to the accommodating space, and the two driven gears 33 are respectively meshed with the driving gear 32. So, when rotating knob 31, can drive driving gear 32 and rotate to drive two driven gear 33 and drive two valve shafts 51 and two spheroid 52 synchronous rotations, and then can realize that the through-hole 521 of two spheroids 52 all extends along first direction, thereby communicates passageway 11.

The embodiment of the utility model provides an in, knob 31 rotationally sets up on lid 2 through first bearing 7, and knob 31 stretches into accommodation space's one end and rotationally sets up on division board 4 through second bearing 8. In this way, the rotation process of the knob 31 is more stable.

The embodiment of the utility model provides an in, valve shaft 51 rotationally sets up on division board 4 through second bearing 8, and valve shaft 51 stretches into accommodation space's one end and rotationally sets up on lid 2 through first bearing 7. Thus, the rotation process of the valve shaft 51 is more stable.

Further, the second bearing 8 is a waterproof bearing. The waterproof bearing adopts the prior art, and the description is omitted here.

In the embodiment of the present invention, two second sealing members 54 are disposed on the outer peripheral wall of each sphere 52, and the two second sealing members 54 are disposed along the first direction at intervals and located at two sides of the center of the sphere 52. In this way, the sealing property between the ball 52 and the valve body 1 can be improved, so that the ball 52 can block the passage 11 of the valve body 1 when the through hole 521 of the ball 52 is not aligned with the passage 11.

In the embodiment of the present invention, the supporting shaft 53 is disposed on the inner bottom wall of the valve chamber 12, the supporting shaft 53 extends along the second direction and the central line of the supporting shaft 53 passes through the center of the sphere 52, and the sphere 52 is rotatably disposed on the supporting shaft 53 around its axis. In this way, the rotation of the ball 52 can be made more smooth.

Further, the supporting shaft 53 is sleeved with a bushing 531, and the bushing 531 is connected with the ball 52. In this way, the rotation of the ball 52 can be made more smooth.

The embodiment of the utility model provides an in, be provided with two sealed pads 6 in the valve room 12, two sealed pads 6 respectively with spheroid 52 along the ascending both sides contact of second side for the clearance between sealed valve body 1 and the spheroid 52 is provided with the hole 61 of dodging that is used for dodging valve shaft 51 or back shaft 53 on every sealed pad 6. By providing the gasket 6 in this manner, the sealing performance between the ball 52 and the valve body 1 can be further improved. Note that the second seal 54 is now used to seal the gap between the seal 6 and the ball 52.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A double ball valve, comprising:

the cover body is arranged at the upper end of the valve body;

2. The dual ball valve of claim 1, wherein the cover is removably disposed on the valve body and the divider is removably disposed within the cover.

3. A dual ball valve in accordance with claim 1, wherein said drive mechanism comprises:

4. A double ball valve door according to claim 3, wherein the knob is rotatably provided on the cover body through a first bearing, and an end of the knob extending into the receiving space is rotatably provided on the partition plate through a second bearing.

5. A double ball valve according to claim 3, wherein the valve shaft is rotatably provided on the partition plate via a second bearing, and an end of the valve shaft protruding into the receiving space is rotatably provided on the cover body via a first bearing.

6. A double ball valve according to claim 4 or 5, wherein the second bearing is a waterproof bearing.

7. A double ball valve according to claim 1, wherein two second sealing members are provided on the outer peripheral wall of each of the balls, the two second sealing members being spaced apart in the first direction and located on both sides of the center of the ball.

8. The double ball valve according to claim 1, wherein a support shaft is provided on an inner bottom wall of the valve chamber, the support shaft extends in the second direction and a center line of the support shaft passes through a center of a sphere, and the sphere is rotatably provided on the support shaft about its own axis.

9. A dual ball valve according to claim 8, wherein a bushing is sleeved on the support shaft, the bushing being connected to the ball.

10. The dual ball valve of claim 1, wherein two gaskets are disposed in the valve chamber, the two gaskets are respectively in contact with two sides of the ball body along the second direction, and are used for sealing a gap between the valve body and the ball body, and each gasket is provided with an avoiding hole.