CN212988887U - Fluorine-lined sampling valve - Google Patents
Fluorine-lined sampling valve Download PDFInfo
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- CN212988887U CN212988887U CN202022076950.6U CN202022076950U CN212988887U CN 212988887 U CN212988887 U CN 212988887U CN 202022076950 U CN202022076950 U CN 202022076950U CN 212988887 U CN212988887 U CN 212988887U
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Abstract
The utility model relates to the technical field of sampling, in particular to a fluorine lining sampling valve, which comprises a valve body, wherein a fluorine lining pipeline is horizontally arranged in the valve body, the middle part of the valve body is vertically provided with a sampling pipeline, a connector is fixedly arranged below the valve body, the bottom of the connector is provided with a sampling buckle, a positioning block is connected above the valve body, a valve cover is arranged above the positioning block, and the valve cover, the positioning block and the valve body are detachably connected through fixing bolts; the sampling pipeline penetrates through the valve body, the positioning block and the valve cover, a valve rod is arranged inside the sampling pipeline, a rotary hand wheel is connected to the top of the valve rod through threads, and a valve core is connected to the bottom of the valve rod through threads. The utility model discloses characteristics are stable inner structure, convenient personnel's mode of operation has improved the security of sampling valve greatly, and this technical structure is simple stable, and convenient operation has also improved sampling personnel's work efficiency when guaranteeing personnel's safety.
Description
Technical Field
The utility model relates to a sample technical field specifically is a lining fluorine sample valve.
Background
In the related industries such as petrochemical industry, fine chemical industry, food and pesticide, etc., the liquid (gas) with strong acid, strong alkali and strong corrosivity needs to be sampled and detected frequently, and the closed sampler and the sampling valve in the related industries have the disadvantages of complex structure, large occupied area, short service life and more easily-damaged parts. The complicated structure brings inconvenience to the operation of sampling personnel, and the frequent damage of vulnerable parts easily leads to the leakage of sampling valve, brings hidden danger for the normal production of enterprise and user's safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lining fluorine sample valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fluorine lining sampling valve comprises a valve body, wherein a fluorine lining pipeline is horizontally arranged in the valve body, a sampling pipeline is vertically arranged in the middle of the valve body, a connecting body is fixedly arranged below the valve body, a sampling buckle is arranged at the bottom of the connecting body, a positioning block is connected above the valve body, a valve cover is arranged above the positioning block, and the valve cover, the positioning block and the valve body are detachably connected through a fixing bolt; the sampling pipeline penetrates through the valve body, the positioning block and the valve cover, a valve rod is arranged inside the sampling pipeline, a rotary hand wheel is connected to the top of the valve rod in a threaded mode, a valve core is connected to the bottom of the valve rod in a threaded mode, the top of the valve core is in contact connection with the valve body, a corrugated pipe is arranged between the bottom of the valve core and the positioning block, and flanges are installed on the two sides of the.
As a further aspect of the present invention: one side of the positioning block is provided with a detection hole which is communicated with the sampling pipeline, and a sealing bolt is connected in the detection hole in a threaded manner.
As a further aspect of the present invention: the contact surface of the valve core and the valve body is a taper angle, and the angle of the taper angle is 20-45 degrees.
As a further aspect of the present invention: the valve core and the valve body are made of PFA materials.
As a further aspect of the present invention: rotatory hand wheel fungible is automatic resilience handle, automatic resilience handle includes rotatory barrel, the inside ball swing joint that passes through of rotatory barrel has the sleeve, rotatory barrel top fixedly connected with gland, gland center department is provided with the top cap, top cap below fixedly connected with screw-nut, screw-nut middle part threaded connection has the lead screw, lead screw bottom fixedly connected with briquetting, the outside cover of screw-nut is equipped with the spring, spring bottom and briquetting fixed connection.
As a further aspect of the present invention: and a fixing rod is connected below the pressing block and is connected with the valve rod pin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model solves the problem of fluorine lining sampling of strong acid, strong alkali and strong corrosive liquid (gas), the prior sampling valve is easy to leak due to the material problem and the service life, which leads to high sampling cost and higher sampling danger coefficient, the technology achieves the purpose of sampling safely and conveniently through the design of the valve core, greatly improves the sampling efficiency and reduces the sampling risk of dangerous goods;
2. the utility model combines the valve core and the bottom of the valve body to form the same taper angle, and forms a face seal with the valve body taper hole, the structure is not easy to remain due to the conical design, the use structure of the soft seal is stable, and the safety performance of the product is greatly enhanced;
3. the utility model discloses well rotatory hand wheel can be replaced by automatic resilience handle, the operation of the manual sample of the personnel of being convenient for of automatic resilience handle, and the one hand opens the valve sample, and direct loose hand automatic springback is closed when getting specified quantity, and it is high-efficient to save time. Meanwhile, the operation of personnel is reduced, and the risk of sampling is reduced in sampling dangerous chemicals. The risk of liquid leakage caused by manual reclosing is avoided by timely rebounding, and the risk of environment is reduced safely and reliably. Meanwhile, the accuracy of quantitative sampling is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a manual rotary handle type fluorine-lined sampling valve.
FIG. 2 is a schematic diagram of a fluorine-lined sampling valve of the self-rebounding handle type.
Fig. 3 is a schematic view of the internal structure of the automatic rebound handle.
In the figure: 1-valve body, 2-fluorine lining pipeline, 3-sampling pipeline, 4-connector, 5-positioning block, 6-sampling buckle, 7-valve cover, 8-fixing bolt, 9-valve rod, 10-rotating hand wheel, 11-valve core, 12-corrugated pipe, 13-flange, 14-detection hole, 15-automatic rebound handle, 151-rotating cylinder, 152-sleeve, 153-screw nut, 154-screw rod, 155-pressing block, 156-spring, 157-pressing cover, 158-top cover and 159-fixing rod.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a fluorine-lined sampling valve includes a valve body 1, a fluorine-lined pipeline 2 is horizontally disposed in the valve body 1, a sampling pipeline 3 is vertically disposed in the middle of the valve body 1, a connector 4 is fixedly mounted below the valve body 1, a sampling buckle 6 is disposed at the bottom of the connector 4, a positioning block 5 is connected above the valve body 1, a valve cover 7 is disposed above the positioning block 5, and the valve cover 7, the positioning block 5 and the valve body 1 are detachably connected through a fixing bolt 8; the sampling pipeline 3 runs through the valve body 1, the positioning block 5 and the valve cover 7 and is internally provided with a valve rod 9, the top of the valve rod 9 is in threaded connection with a rotary hand wheel 10, the bottom of the valve rod 9 is in threaded connection with a valve core 11, the top of the valve core 11 is in contact connection with the valve body 1, the sealing mode of the valve body 1 and the valve core 11 is a soft sealing mode, a corrugated pipe 12 is arranged between the bottom of the valve core 11 and the positioning block 5, and flanges 13 are arranged on two sides of the valve body 1.
In this embodiment, one side of the positioning block 5 is provided with a detecting hole 14, the detecting hole 14 is communicated with the sampling pipeline 3, the detecting hole 14 is connected with a sealing bolt in a threaded manner, and the detecting hole 14 is used for detecting whether the top of the valve core 11 has a leakage phenomenon.
In this embodiment, the contact surface of the valve core 11 and the valve body 1 is a taper angle, the taper angle is 20-45 degrees, the valve core 11 is made into a taper shape, and the bottom of the valve body 1 is also a taper shape. The valve core 11 and the bottom of the valve body 1 are combined to form the same taper angle after being combined to form surface sealing, the taper angle is designed, theoretical calculation and actual experiments show that the valve is in the range, and the valve sealing and residue-free optimal angle range is 20-45 degrees under different working conditions. .
In this embodiment, the valve element 11 and the valve body 1 are made of PFA.
Example 2
Referring to fig. 2 and 3, in this embodiment, the rotating handwheel 10 may be replaced by an automatic rebounding handle 15, the automatic rebounding handle 15 includes a rotating cylinder 151, a sleeve 152 is movably connected inside the rotating cylinder 151 through a ball, a gland 157 is fixedly connected above the rotating cylinder 151, a top cover 158 is arranged at the center of the gland 157, a lead screw nut 153 is fixedly connected below the top cover 158, a lead screw 154 is connected to the middle of the lead screw nut 153 through a thread, a pressing block 155 is fixedly connected to the bottom of the lead screw 154, a spring 156 is sleeved outside the lead screw nut 153, the bottom of the spring 156 is fixedly connected to the pressing block 155, by applying a rotating force to the outer surface of the rotating cylinder 151 manually, the sleeve 152 drives the lead screw nut 153 to move the lead screw 154 upward along the lead screw nut 153, and simultaneously drives the pressing block 155 below the, an upward compression force is generated on the spring 156, so that the spring 156 generates compression deformation, the valve is opened, the rotary cylinder 151 is loosened, due to the automatic resilience of the spring 156, the spring 156 drives the pressing block 155 to move downwards and simultaneously drives the lead screw rod 154 to move downwards along the lead screw nut 153, an automatic resilience effect is generated, the valve is closed, and the lead screw rod 154 moves up and down to drive the bottom valve to move to open and close.
In this embodiment, a fixing rod 159 is connected below the pressing block 155, and the fixing rod 159 is in pin connection with the valve rod 9.
The utility model discloses a theory of operation is: the sealing mode of the valve body 1 and the valve core 11 is a soft sealing mode. There is the sample buckle 6 of steel bottle bottom valve body 1, the sample steel bottle connects in sample buckle 6 department during the sample, valve body 1 is liquid normally flows through valve rod 9 both sides during normal work, during the sample valve sample, rotate rotatory hand wheel 10 (or automatic resilience handle 15), valve rod 9 moves up, drive 11 rebound of case, produce the compression to 12 parts of bellows on 11 upper portions of case, the drive produces the gap between 11 bottom rebound of case and valve body 1, the steel bottle begins the sample. After sampling, the rotary hand wheel 10 is closed in the opposite direction (or the automatic rebound handle 15 is loosened) until the valve is locked.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A fluorine lining sampling valve comprises a valve body (1), and is characterized in that a fluorine lining pipeline (2) is horizontally arranged in the valve body (1), a sampling pipeline (3) is vertically arranged in the middle of the valve body (1), a connecting body (4) is fixedly arranged below the valve body (1), a sampling buckle (6) is arranged at the bottom of the connecting body (4), a positioning block (5) is connected above the valve body (1), a valve cover (7) is arranged above the positioning block (5), and the valve cover (7), the positioning block (5) and the valve body (1) are detachably connected through a fixing bolt (8); sampling pipe (3) run through valve body (1), locating piece (5), valve gap (7) and set up and internally mounted has valve rod (9), valve rod (9) top threaded connection has rotatory hand wheel (10), valve rod (9) bottom threaded connection has case (11), case (11) top is connected with valve body (1) contact, be provided with bellows (12) between case (11) bottom and locating piece (5), flange (13) are installed to valve body (1) both sides.
2. The fluorine lining sampling valve according to claim 1, wherein a detecting hole (14) is arranged on one side of the positioning block (5), the detecting hole (14) is communicated with the sampling pipeline (3), and a sealing bolt is connected in the detecting hole (14) in a threaded manner.
3. The fluorine lined sampling valve according to claim 1, wherein the contact surface of the valve core (11) and the valve body (1) is a taper angle, and the taper angle is 20-45 °.
4. The fluorine lined sampling valve according to claim 3, wherein the valve core (11) and the valve body (1) are made of PFA.
5. The fluorine lining sampling valve according to claim 1, wherein the rotating hand wheel (10) can be replaced by an automatic rebound handle (15), the automatic rebound handle (15) comprises a rotating cylinder (151), a sleeve (152) is movably connected inside the rotating cylinder (151) through a ball, a gland (157) is fixedly connected above the rotating cylinder (151), a top cover (158) is arranged at the center of the gland (157), a lead screw nut (153) is fixedly connected below the top cover (158), a lead screw rod (154) is in threaded connection with the middle of the lead screw nut (153), a pressing block (155) is fixedly connected to the bottom of the lead screw rod (154), a spring (156) is sleeved outside the lead screw nut (153), and the bottom of the spring (156) is fixedly connected with the pressing block (155).
6. The fluorine lined sampling valve of claim 5, wherein a fixing rod (159) is connected below the pressure block (155), and the fixing rod (159) is connected with the valve rod (9) through a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022076950.6U CN212988887U (en) | 2020-09-21 | 2020-09-21 | Fluorine-lined sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022076950.6U CN212988887U (en) | 2020-09-21 | 2020-09-21 | Fluorine-lined sampling valve |
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| Publication Number | Publication Date |
|---|---|
| CN212988887U true CN212988887U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022076950.6U Active CN212988887U (en) | 2020-09-21 | 2020-09-21 | Fluorine-lined sampling valve |
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| CN (1) | CN212988887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087383A (en) * | 2021-11-22 | 2022-02-25 | 苏州格泰普流体设备有限公司 | Self-rotating high-pressure-resistant online closed sampling valve |
| CN114427604A (en) * | 2021-12-12 | 2022-05-03 | 浙江金新流体控制股份有限公司 | Sampling valve based on intelligent automatic antitheft function |
-
2020
- 2020-09-21 CN CN202022076950.6U patent/CN212988887U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087383A (en) * | 2021-11-22 | 2022-02-25 | 苏州格泰普流体设备有限公司 | Self-rotating high-pressure-resistant online closed sampling valve |
| CN114427604A (en) * | 2021-12-12 | 2022-05-03 | 浙江金新流体控制股份有限公司 | Sampling valve based on intelligent automatic antitheft function |
| CN114427604B (en) * | 2021-12-12 | 2022-06-24 | 浙江金新流体控制股份有限公司 | Sampling valve based on intelligent automatic antitheft function |
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