CN211117730U - Ball valve with online sampling function - Google Patents
Ball valve with online sampling function Download PDFInfo
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- CN211117730U CN211117730U CN201920687483.5U CN201920687483U CN211117730U CN 211117730 U CN211117730 U CN 211117730U CN 201920687483 U CN201920687483 U CN 201920687483U CN 211117730 U CN211117730 U CN 211117730U
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- rotating shaft
- positioning shaft
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Abstract
The utility model relates to a valve field discloses a take ball valve of online sample function for to the ball valve of specific occasion sample. The utility model discloses a valve body, valve ball, valve rod and location axle. A flow passage is arranged in the valve body. The valve ball is arranged in the flow passage of the valve body, and the valve body is provided with an upper sealing cover and a lower sealing cover. The positioning shaft is fixed on the lower sealing cover, the movable sealing plug is arranged above the positioning shaft, the lifting rotating shaft is connected below the movable sealing plug, the lifting rotating shaft is rotated through the hand wheel to drive the movable sealing plug to rotate, so that liquid enters a sampling flow passage, the throttling switch is opened, and sampling is completed. This can not only help people to draw liquid in the pipeline that has high pressure and high mobile liquid, can also prevent that the mobile liquid in the pipeline from taking place indiscriminately to spatter, easy operation to guaranteed workman's safety, the environment has also obtained very big improvement, no matter simultaneously whether the ball valve is closed or is opened, still can take a sample, has improved the convenience of taking a sample.
Description
Technical Field
The utility model relates to a valve field, in particular to take ball valve of online sample function.
Background
The existing ball valve mainly comprises a valve body, a valve cover, a valve seat, a valve rod, a valve ball and an operating mechanism, wherein the sealing of the valve is realized by extruding the valve seat by the valve ball; the cut-off and cut-off are realized by controlling the rotation angle of a valve ball through a valve rod. Because of its compact structure, easy operation and maintenance, it has been widely used in various pipe system engineering.
Compared with the traditional ball valve, when the high-speed flow of the ball valve contains larger pressure, the liquid is difficult to extract, meanwhile, the situation of splashing of the liquid can be caused, the working environment is easy to be polluted, if corrosive fluid or flammable fluid flows, huge potential safety hazards exist, and the operation safety is poor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a take ball valve of online sample function rotates the lift axis of rotation through the hand wheel and drives movable sealing plug rotatory, makes liquid get into the sample runner, opens throttle switch, accomplishes the sample. The device not only can help people to extract liquid in the pipeline with high pressure and high flowing liquid, but also can prevent the flowing liquid in the pipeline from splashing, is simple to operate, ensures the safety of workers, and greatly improves the environment. No matter the ball valve is closed or opened, still can take a sample simultaneously, improved the convenience of taking a sample.
A ball valve with an online sampling function comprises;
a valve body; a flow channel is arranged in the valve body;
a valve ball; the valve ball is arranged in the flow channel of the valve body; an upper sealing cover and a lower sealing cover are arranged on the valve body, the upper sealing cover is positioned above the valve ball, and the lower sealing cover is positioned below the valve ball; a through groove transversely penetrating through the valve ball is formed in the valve ball;
a valve stem; the valve rod penetrates through the upper sealing cover and is connected with the top end of the valve ball, and the valve rod is used for rotating the valve ball to open or close the flow channel;
positioning the shaft; the positioning shaft is fixed on the lower sealing cover and is positioned at the lower part of the valve ball, and the positioning shaft and the valve rod are coaxially arranged; one end of the positioning shaft extends into the valve ball; a movable sealing plug is arranged above the positioning shaft and is of an inverted conical structure; a lifting rotating shaft is connected below the movable sealing plug; the lifting rotating shaft penetrates through the positioning shaft along the axial direction of the positioning shaft; the lifting rotating shaft is of a cylindrical structure; a spiral ball groove is arranged outside the lifting rotating shaft; a ball retaining hole is formed in the positioning shaft; the ball retaining hole is internally provided with a movable ball which is clamped in the ball groove; a sampling flow passage is arranged in the positioning shaft, and a flow inlet of the sampling flow passage is positioned at the top end of the positioning shaft.
As a preferred scheme of the utility model, the lower end of the lifting rotating shaft is provided with an external thread, and a fastening nut is arranged on the lifting rotating shaft; fastening nut cover establish with on the lift axis of rotation, with the epaxial external screw thread fit of lift axis of rotation guarantees the lift axis of rotation can not take place radially to rock, has improved stability.
As a preferred scheme of the utility model, be used for the drive is installed to the lower extreme of lift axis of rotation pivoted hand wheel for realize taking a sample.
As a preferred scheme of the utility model, a sealing valve seat is arranged between the valve ball and the valve body, thus improving the sealing performance of the ball valve;
as an optimal scheme of the utility model, install O type sealing washer on the sealing contact surface of valve body and sealed disk seat.
As an optimized scheme of the utility model, the location axle with install first rubber seal between the valve ball.
As a preferable proposal of the utility model, a second rubber sealing ring is arranged between the positioning shaft and the lifting rotating shaft,
as an optimized proposal of the utility model, a throttle switch used for adjusting the liquid discharge amount is installed at the outflow opening of the sampling channel.
To sum up, the utility model discloses following beneficial effect has: the lifting rotating shaft is rotated by the hand wheel to drive the movable sealing plug to rotate, so that liquid enters the sampling flow channel, the throttle switch is opened, and sampling is completed. This can not only help people to draw liquid in the pipeline that has high pressure and high mobile liquid, can also prevent that the mobile liquid in the pipeline from taking place indiscriminately to spatter, easy operation to guaranteed workman's safety, the environment has also obtained very big improvement, no matter simultaneously whether the ball valve is closed or is opened, still can take a sample, has improved the convenience of taking a sample.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for describing the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only 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 structural diagram of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1-valve rod 2-upper sealing cover 3-valve ball 4-valve body
5-sealing valve seat 6-movable sealing plug 7-sampling flow passage 8-movable ball
9-lifting rotating shaft 10-hand wheel 11-fastening nut 12-positioning shaft
13-lower sealing cover 14-first rubber ring 15-second rubber ring 16-throttle switch.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in figure 1, the utility model relates to a take ball valve of online sample function, specifically, the utility model discloses a valve body, valve ball, valve rod and location axle.
A flow passage is provided in the valve body 4. The valve ball 3 is arranged in a flow passage of the valve body 4, the valve body 4 is provided with an upper sealing cover 2 and a lower sealing cover 13, the upper sealing cover 2 is positioned above the valve ball 3, the lower sealing cover 13 is positioned below the valve ball 3, and the valve ball 3 is provided with a through groove transversely penetrating through the valve ball 3. And a sealing valve seat 5 is arranged between the valve ball 3 and the valve body 4, so that the sealing property of the ball valve is improved. An O-shaped sealing ring is arranged on the sealing contact surface of the valve body 4 and the sealing valve seat 5. The valve stem 1 passes through the upper cap 2 and is connected to the top end of the ball 3 for rotating the ball 3 to open or close the flow path. The positioning shaft 12 is fixed to the lower cover 13 and is located below the valve ball 3. A first rubber sealing ring 14 is arranged between the positioning shaft 12 and the valve ball 3. The positioning shaft 12 and the valve rod 1 are coaxially arranged, so that the consistency in rotation is ensured. One end of the positioning shaft 12 extends into the valve ball 3, a movable sealing plug 6 is arranged above the positioning shaft 12, and the movable sealing plug 6 is of an inverted cone structure. A lifting rotating shaft 9 is connected below the movable sealing plug 6, and the lifting rotating shaft 9 penetrates through a positioning shaft 12 along the axial direction of the positioning shaft. The elevating rotation shaft 9 has a cylindrical structure. A second rubber sealing ring 15 is arranged between the positioning shaft 12 and the lifting rotating shaft 9. Be provided with the external screw thread at the lower extreme of lift axis of rotation 9, install fastening nut 11 on lift axis of rotation 9, fastening nut 11 covers establish with lift axis of rotation on 9, with the external screw thread fit on the lift axis of rotation 9, guaranteed that lift axis of rotation 9 can not take place radially to rock, improved stability. The lower end of the lifting rotating shaft 9 is provided with a hand wheel 10 for driving the lifting rotating shaft 9 to rotate, so as to realize sampling. A spiral ball groove is arranged outside the lifting rotating shaft 9, a ball retaining hole is arranged in the positioning shaft, a movable ball 8 is arranged in the ball retaining hole, the movable ball 8 is clamped in the ball groove, and the lifting rotating shaft 9 only moves up and down. A sampling flow passage 7 is arranged in the positioning shaft 12, and the flow inlet of the sampling flow passage 7 is positioned at the top end of the positioning shaft 12. A throttle switch 16 for adjusting the amount of liquid discharged is installed at the outlet of the sampling passage 7.
The utility model discloses the action process: the lifting rotating shaft 9 is rotated by the hand wheel 10, and the lifting rotating shaft 9 axially moves along the lifting rotating shaft 9 in the rotating process due to the action of the movable ball 8, so that the movable sealing plug is driven to be opened or closed in the vertical direction. When the movable sealing plug 6 is lifted, the liquid flows into the sampling passage 7. And then the liquid outflow is controlled by opening the throttle switch 16, so as to finish sampling.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A ball valve with an online sampling function is characterized by comprising a ball valve body;
a valve body; a flow channel is arranged in the valve body;
a valve ball; the valve ball is arranged in the flow channel of the valve body; an upper sealing cover and a lower sealing cover are arranged on the valve body, the upper sealing cover is positioned above the valve ball, and the lower sealing cover is positioned below the valve ball; a through groove transversely penetrating through the valve ball is formed in the valve ball;
a valve stem; the valve rod penetrates through the upper sealing cover and is connected with the top end of the valve ball, and the valve rod is used for rotating the valve ball to open or close the flow channel;
positioning the shaft; the positioning shaft is fixed on the lower sealing cover and is positioned at the lower part of the valve ball, and the positioning shaft and the valve rod are coaxially arranged; one end of the positioning shaft extends into the valve ball; a movable sealing plug is arranged above the positioning shaft and is of an inverted conical structure; a lifting rotating shaft is connected below the movable sealing plug; the lifting rotating shaft penetrates through the positioning shaft along the axial direction of the positioning shaft; the lifting rotating shaft is of a cylindrical structure; a spiral ball groove is arranged outside the lifting rotating shaft; a ball retaining hole is formed in the positioning shaft; the ball retaining hole is internally provided with a movable ball which is clamped in the ball groove; a sampling flow passage is arranged in the positioning shaft, and a flow inlet of the sampling flow passage is positioned at the top end of the positioning shaft.
2. The ball valve with the on-line sampling function according to claim 1, wherein an external thread is provided at a lower end of the elevating rotating shaft, and a fastening nut is mounted on the elevating rotating shaft; the fastening nut is sleeved on the lifting rotating shaft and matched with the external thread on the lifting rotating shaft.
3. The ball valve with the online sampling function according to claim 1, wherein a hand wheel for driving the elevating rotation shaft to rotate is installed at a lower end of the elevating rotation shaft.
4. The ball valve with on-line sampling function according to claim 1, wherein a sealing valve seat is installed between the valve ball and the valve body.
5. The ball valve with the function of online sampling according to claim 1, wherein the sealing contact surface of the valve body and the sealing valve seat is provided with an O-shaped sealing ring.
6. The ball valve with the function of online sampling according to claim 1, wherein a first rubber sealing ring is installed between the positioning shaft and the ball valve.
7. The ball valve with the function of online sampling according to claim 1, wherein a second rubber sealing ring is installed between the positioning shaft and the lifting rotating shaft.
8. The ball valve with an on-line sampling function according to claim 1, wherein a throttle switch for adjusting a liquid discharge amount is installed at the outlet of the sampling flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687483.5U CN211117730U (en) | 2019-05-14 | 2019-05-14 | Ball valve with online sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687483.5U CN211117730U (en) | 2019-05-14 | 2019-05-14 | Ball valve with online sampling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117730U true CN211117730U (en) | 2020-07-28 |
Family
ID=71714459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920687483.5U Active CN211117730U (en) | 2019-05-14 | 2019-05-14 | Ball valve with online sampling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188835A (en) * | 2021-04-21 | 2021-07-30 | 华能伊敏煤电有限责任公司汇流河热电分公司 | System for detecting PH value of thermal power plant |
| CN115683730A (en) * | 2022-11-17 | 2023-02-03 | 烟台嘉天治电子设备有限公司 | Sampling device for food safety detection |
-
2019
- 2019-05-14 CN CN201920687483.5U patent/CN211117730U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188835A (en) * | 2021-04-21 | 2021-07-30 | 华能伊敏煤电有限责任公司汇流河热电分公司 | System for detecting PH value of thermal power plant |
| CN113188835B (en) * | 2021-04-21 | 2022-10-11 | 华能伊敏煤电有限责任公司汇流河热电分公司 | System for detecting PH value of thermal power plant |
| CN115683730A (en) * | 2022-11-17 | 2023-02-03 | 烟台嘉天治电子设备有限公司 | Sampling device for food safety detection |
| CN115683730B (en) * | 2022-11-17 | 2023-10-13 | 新疆合创检测技术有限公司 | Sampling equipment for food safety detection |
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