CN210178971U

CN210178971U - Ball valve convenient for adjusting fluid speed

Info

Publication number: CN210178971U
Application number: CN201920542474.7U
Authority: CN
Inventors: 陈鉴
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-21
Filing date: 2019-04-21
Publication date: 2020-03-24
Anticipated expiration: 2029-04-21

Abstract

The utility model discloses a ball valve convenient for adjusting the fluid speed, which belongs to the field of ball valves and comprises a valve body, a valve ball and a valve rod, wherein the valve ball is connected in the valve body in a sealing and rotating way, sealing steel rings are respectively sleeved on the two sides in the valve body, the sealing steel ring is arranged corresponding to the two sides of the valve ball in a sealing way, the inner walls of the two sides of the valve body are respectively provided with an interface thread groove, the top of the valve ball is fixedly connected with an adapter body, a valve rod is fixedly connected with the upper end of the adapter body, the top of the valve body is fixedly connected with a valve cover, a hollow cavity is arranged in the valve cover, the top of the valve rod is fixedly connected with a driving shaft, a linkage mechanism which is linked with the driving shaft is arranged in the hollow cavity, the top of the driving shaft sequentially penetrates through the valve body, the flow size that this ball valve passes through can realize conveniently controlling, has effectively reminded the degree of opening of this ball valve of user.

Description

Ball valve convenient for adjusting fluid speed

Technical Field

The utility model relates to a ball valve field, more specifically say, relate to a conveniently adjust fluid speed's ball valve.

Background

The ball valve is a valve whose opening and closing member (valve ball) is driven by valve rod and can be rotated around the axis of ball valve (valve rod), and it has the action of rotating 90 deg., and its plug body is a ball body, and has a circular through hole or channel passing through its axis. The composite material is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.

The opening and closing operation of valve ball is realized through the rotating valve rod to the present ball valve most, and valve rod and valve body movable sealing are connected, and when rotating the valve rod, sometimes often can be because the size of unclear flow, be difficult to learn the degree of opening of valve, when not needing too big flow, the valve ball leads to the flow too big after opening to furthest because of the rotating dynamics, causes the phenomenon that makes fluid splash all around to take place, so the regulation of the better manipulation flow of inconvenient user.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a conveniently adjust fluid speed's ball valve, it can realize conveniently controlling the flow size that this ball valve passes through, has effectively reminded the degree of opening of this ball valve of user.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A ball valve convenient for adjusting fluid speed comprises a valve body, a valve ball and a valve rod, wherein the valve ball is connected in the valve body in a sealing and rotating manner, sealing steel rings are sleeved on two sides of the inside of the valve body and are arranged in a sealing manner corresponding to the positions of the two sides of the valve ball, interface thread grooves are formed in the inner walls of the two sides of the valve body, a connecting body is fixedly connected to the top of the valve ball, the valve rod is fixedly connected to the upper end of the connecting body, a valve cover is fixedly connected to the top end of the valve body, a hollow cavity is formed in the valve cover, a driving shaft is fixedly connected to the top of the valve rod, a linkage mechanism linked with the driving shaft is arranged in the hollow cavity, the top end of the driving shaft sequentially penetrates through the valve body and the valve cover and extends upwards, a handle is fixedly sleeved on the side wall of one end, the handle is close to one side lower extreme fixedly connected with gag lever post of valve gap, the arc spacing groove that corresponds with the gag lever post position is seted up to the interior bottom of well cavity, and the lower extreme sliding connection of gag lever post is in the arc spacing inslot, the top fixedly connected with of drive shaft turns to display mechanism, can realize conveniently controlling the flow size that this ball valve passes through, has effectively reminded the degree of opening of this ball valve of user.

Furthermore, the connection body is of a cylindrical structure, a lower sealing sleeve corresponding to the position of the connection body is fixedly sleeved in the valve body, the connection body is movably connected with the lower sealing sleeve, and the lower sealing sleeve further plays a role in sealing the lower part of the connection body.

Furthermore, the inner side wall of the valve body is sleeved with two upper sealing sleeves corresponding to the positions of the valve rods, the upper sealing sleeves are embedded on the inner wall of the valve body, the valve rods are movably connected with the upper sealing sleeves in a sealing mode, the upper sealing sleeves are movably connected with the valve rods in a sealing mode, on one hand, a sealing effect is achieved, and on the other hand, stability of the valve rods in rotation is improved.

Further, the valve gap is cylindrical structure, the inner wall swing joint of drive shaft and valve gap, cylindrical structure is convenient for set up in the valve gap and is used for the gag lever post to carry out gliding arc spacing groove.

Further, link gear is including fixed first gear of establishing on the drive shaft lateral wall of cover, it is connected with the second gear to rotate between the upper and lower inner wall of well cavity, first gear is connected with second gear intermeshing, sets up two gears of intermeshing, plays the limiting displacement to the drive shaft, also avoids operating handle's the turning force too big to a certain extent simultaneously, and the lost hand opens this ball valve to furthest.

Further, turn to display mechanism and include the display panel of fixed connection at the drive shaft top, the display panel is transparent structure, and is provided with the arc display area that corresponds with arc spacing groove position in the display panel, effectively reminds the rotation angle of user's handle.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize conveniently controlling the flow size that this ball valve passes through, has effectively reminded the degree of opening of this ball valve of user.

(2) The connection body is of a cylindrical structure, a lower sealing sleeve corresponding to the connection body is fixedly sleeved in the valve body, the connection body is movably connected with the lower sealing sleeve, and the lower sealing sleeve further plays a role in sealing the lower part of the connection body.

(3) The valve body is characterized in that two upper sealing sleeves corresponding to the positions of the valve rod are sleeved on the inner side wall of the valve body, the upper sealing sleeves are embedded on the inner wall of the valve body, the valve rod is movably connected with the upper sealing sleeves in a sealing mode, the upper sealing sleeves are movably connected with the valve rod in a sealing mode, on one hand, a sealing effect is achieved, and on the other hand, stability of the valve rod during rotation is improved.

(4) The cover is equipped with two last seal covers that correspond with the valve rod position on the inside wall of valve body, goes up the seal cover and inlays and establish on the inner wall of valve body, and valve rod and last seal cover be swing joint, go up the swing seal of seal cover and valve rod and be connected, play sealed effect on the one hand, and on the other hand has improved the stability when valve rod rotates.

(5) The linkage mechanism comprises a first gear fixedly sleeved on the side wall of the driving shaft, a second gear is rotatably connected between the upper inner wall and the lower inner wall of the hollow cavity, the first gear is meshed with the second gear to be connected, two gears which are meshed with each other are arranged to limit the driving shaft, and meanwhile, the phenomenon that the rotating force of the operating handle is too large and the ball valve is opened to the maximum extent due to the lost hand is avoided to a certain extent.

(6) Turn to display mechanism and include the display panel of fixed connection on drive shaft top, the display panel is transparent structure, and is provided with the arc display area that corresponds with arc spacing groove position in the display panel, effectively reminds the rotation angle of user's handle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the joint of the valve ball and the connector of the present invention;

fig. 3 is a top view of the valve cover of the present invention;

fig. 4 is a top view of the display panel of the present invention.

The reference numbers in the figures illustrate:

the valve comprises a valve body 1, a valve ball 2, a valve rod 3, a connecting body 4, a lower sealing sleeve 5, a sealing steel ring 6, a driving shaft 7, a valve cover 8, an upper sealing sleeve 9, a limiting rod 10, an arc-shaped limiting groove 11, a first gear 12, a second gear 13, a handle 14, an interface thread groove 15, a display disc 16 and an arc-shaped display area 17.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Example 1:

please refer to fig. 1-3, a ball valve convenient for adjusting fluid speed, comprising a valve body 1, a valve ball 2, and a valve rod 3, wherein the valve ball 2 is connected in the valve body 1 in a sealing manner, a sealing steel ring 6 is sleeved on both sides of the valve body 1, and the sealing steel ring 6 is arranged in a sealing manner corresponding to the positions of both sides of the valve ball 2, the sealing steel ring 6 is arranged to improve the sealing performance of the valve ball 2 in the rotating process, thereby preventing the fluid from flowing into the valve body 1.

The top fixedly connected with of valve ball 2 links up body 4, link up body 4 is cylindrical structure, the inside fixed cover of valve body 1 is equipped with the lower seal cover 5 that corresponds with linking up body 4 position, link up body 4 and lower seal cover 5 swing joint, lower seal cover 5 further plays the sealing action to linking up the lower part position of body 4, valve rod 3 fixed connection is in the upper end of linking up body 4, the cover is equipped with two upper seal covers 9 that correspond with valve rod 3 position on the inside wall of valve body 1, upper seal cover 9 inlays and establishes on the inner wall of valve body 1, and valve rod 3 and upper seal cover 9 are swing joint, the swing joint of upper seal cover 9 and valve rod 3 plays the sealing action on the one hand, on the other hand has improved the stability when valve rod 3 rotates.

The top fixedly connected with valve gap 8 of valve body 1, be equipped with well cavity in the valve gap 8, the top fixedly connected with drive shaft 7 of valve rod 3, valve gap 8 is cylindrical structure, drive shaft 7 and valve gap 8's inner wall swing joint, cylindrical structure is convenient for set up in valve gap 8 and is used for gag lever post 10 to carry out gliding arc spacing groove 11, be equipped with the link gear that carries out the linkage with drive shaft 7 in the well cavity, link gear includes fixed cover and establishes first gear 12 on drive shaft 7 lateral wall, it is connected with second gear 13 to rotate between the upper and lower inner wall of well cavity, first gear 12 is connected with second gear 13 intermeshing, set up two gears of intermeshing, play the bandwagon effect to drive shaft 7, also avoid operating handle 14's the turning force too big to a certain extent simultaneously, and the lost hand opens this ball valve to furthest.

Valve body 1 is run through in proper order on the top of drive shaft 7, valve gap 8 extends upwards, drive shaft 7 is located the outer one end lateral wall of valve gap 8 and fixedly cup joints handle 14, and handle 14 sets up in the one side of keeping away from link gear's valve gap 8, handle 14 is close to one side lower extreme fixedly connected with gag lever post 10 of valve gap 8, the interior bottom of well cavity is seted up the arc spacing groove 11 that corresponds with gag lever post 10 position, and the lower extreme sliding connection of gag lever post 10 is in arc spacing groove 11.

Referring to fig. 4, the top end of the driving shaft 7 is fixedly connected with a steering display mechanism, specifically, the steering display mechanism includes a display panel 16 fixedly connected to the top end of the driving shaft 7, the display panel 16 is of a transparent structure, and an arc display area 17 corresponding to the arc limiting groove 11 is arranged in the display panel 16, so as to effectively remind a user of the angle of rotation of the handle 14, so as to better know the opening degree of the ball valve.

When the ball valve is used, the ball valve is in threaded connection with an external connecting pipe through the interface thread grooves at the two ends of the valve body 1, and can also be in sealing connection by using a flange, not to be described in detail, during the opening and closing process of the valve body, the handle 14 is rotated, the handle 14 drives the valve rod 3 at the lower end of the driving shaft 7 to rotate, the valve rod 3 drives the valve ball 2 at the lower part to rotate, the valve ball 2 generally has an inlet and an outlet which are symmetrically arranged at two sides, when the valve ball 2 is fully rotated to ninety degrees, the valve reaches the maximum flow passing, and the limiting rod 10 for limiting is arranged at the lower end of the handle 14, when the limiting rod 10 moves to the terminal end of the arc-shaped limiting groove 11, the handle 14 does not rotate any more, the valve ball 2 is opened to the maximum, when the handle 14 is reset to the initial end position, the ball valve is closed, and the flow can be adjusted by rotating the handle 14 to different positions;

it should be noted that, a first gear 12 is sleeved on the side wall of the driving shaft 7, the first gear 12 is engaged with a second gear 13 located in the valve cover 8, since the engagement connection of the gears has self-locking property, when the handle 14 stops rotating, the driving shaft 7 is in a stable state, and at the same time, a certain rotating force can be limited, so as to effectively prevent the ball valve from being opened to the maximum extent due to the excessive rotation force, in addition, a turning display mechanism convenient for observing the turning angle is arranged at the top end of the driving shaft 7, an arc display area 17 in the display disc 16 is consistent with the rotating area of the handle 14, and technicians in the field can mark two open and close characters on two sides of the arc display area 17, which are not marked in the figure, so as to facilitate the user to better control the rotating angle of the handle 14, flexibly adjust the flow rate of the ball valve, and effectively prevent the ball valve from being turned too hard due to, The phenomenon of fluid splashing caused by over-urgency plays a role in reminding.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a conveniently adjust ball valve of fluid speed, includes valve body (1), valve ball (2), valve rod (3), its characterized in that: the valve ball (2) is connected in the valve body (1) in a sealing and rotating manner, the sealing steel ring (6) is sleeved on the two inner sides of the valve body (1), the sealing steel ring (6) and the two side positions of the valve ball (2) are arranged in a sealing manner, the interface thread grooves (15) are formed in the inner walls of the two sides of the valve body (1), the top fixedly connected with connecting body (4) of the valve ball (2), the valve rod (3) is fixedly connected to the upper end of the connecting body (4), the top fixedly connected with valve cover (8) of the valve body (1), a hollow cavity is formed in the valve cover (8), the top fixedly connected with driving shaft (7) of the valve rod (3), a linkage mechanism linked with the driving shaft (7) is arranged in the hollow cavity, the top of the driving shaft (7) sequentially penetrates through the valve body (1) and the valve cover (8) and extends upwards, a handle (14) is fixedly sleeved on the side wall of the end, outside the driving shaft, and handle (14) set up in the one side of keeping away from link gear's valve gap (8), handle (14) are close to one side lower extreme fixedly connected with gag lever post (10) of valve gap (8), arc spacing groove (11) that correspond with gag lever post (10) position are seted up to the interior bottom of well cavity, and the lower extreme sliding connection of gag lever post (10) is in arc spacing groove (11), the top fixedly connected with of drive shaft (7) turns to display mechanism.

2. A ball valve for facilitating the regulation of fluid velocity as claimed in claim 1 wherein: the connecting body (4) is of a cylindrical structure, a lower sealing sleeve (5) corresponding to the connecting body (4) is fixedly sleeved in the valve body (1), and the connecting body (4) is movably connected with the lower sealing sleeve (5).

3. A ball valve for facilitating the regulation of fluid velocity as claimed in claim 1 wherein: the valve is characterized in that two upper sealing sleeves (9) corresponding to the valve rod (3) in position are sleeved on the inner side wall of the valve body (1), the upper sealing sleeves (9) are embedded on the inner wall of the valve body (1), and the valve rod (3) is movably connected with the upper sealing sleeves (9) in a sealing manner.

4. A ball valve for facilitating the regulation of fluid velocity as claimed in claim 1 wherein: the valve cover (8) is of a cylindrical structure, and the driving shaft (7) is movably connected with the inner wall of the valve cover (8).

5. A ball valve for facilitating the regulation of fluid velocity as claimed in claim 1 wherein: the linkage mechanism comprises a first gear (12) fixedly sleeved on the side wall of the driving shaft (7), a second gear (13) is rotatably connected between the upper inner wall and the lower inner wall of the hollow cavity, and the first gear (12) is meshed with the second gear (13) and connected with the same.

6. A ball valve for facilitating the regulation of fluid velocity as claimed in claim 1 wherein: the steering display mechanism comprises a display disc (16) fixedly connected to the top end of the driving shaft (7), the display disc (16) is of a transparent structure, and an arc display area (17) corresponding to the arc limiting groove (11) in position is arranged in the display disc (16).