CN214578982U - High low temperature step-down governing valve of stability - Google Patents
High low temperature step-down governing valve of stability Download PDFInfo
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- CN214578982U CN214578982U CN202120644288.1U CN202120644288U CN214578982U CN 214578982 U CN214578982 U CN 214578982U CN 202120644288 U CN202120644288 U CN 202120644288U CN 214578982 U CN214578982 U CN 214578982U
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Abstract
The utility model relates to a governing valve technical field discloses a high low temperature step-down governing valve of stability, including governing valve body and last valve gap, the inlet has been seted up in the inside left side of governing valve body, the equal fixedly connected with stopper in the adjusting sleeve inner wall left and right sides, the inside threaded connection of going up the valve gap has the threaded rod, threaded rod top fixedly connected with adjusting handle, threaded rod bottom fixedly connected with case, first thread groove has been seted up to threaded rod upper end outer wall, the second thread groove has been seted up to last valve gap top inner wall, the threaded rod front side is provided with the graduation apparatus, the adjustment tank has been seted up to case lower extreme outer wall. The utility model discloses in, through the sleeve structure, the driven governing valve of contrast only need install one and go up the valve gap, the installation convenient to detach of being convenient for, the inlet of sleeve type structure forms very big guide part between adjusting sleeve and case, consequently can not arouse the vibration of case, improves the life of valve.
Description
Technical Field
The utility model belongs to the technical field of the governing valve, specifically be a high low temperature step-down governing valve of stability.
Background
In the automatic control of modern plants, control valves play a very important role, and the production of these plants depends on the correct distribution and control of the flowing medium. In the field of industrial automation process control, the final control elements for changing process parameters such as medium flow, pressure, temperature, liquid level, etc. are operated by power by receiving control signals output by a regulating control unit. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the method is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics of the method. The regulating valve is suitable for media such as air, water, steam, various corrosive media, slurry, oil products and the like;
the governing valve among the prior art can only advance to close and open two kinds of modes when using and adjust, can't adjust the medium flow in the valve body, leads to inconvenient dismantlement owing to its structural problem moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the governing valve among the prior art and can only advance to close and open two kinds of modes and adjust when using, the internal medium flow of unable governing valve, because its structural problem leads to the inconvenient problem of dismantling moreover, provide a high low temperature step-down governing valve of stability.
The utility model adopts the technical scheme as follows: the utility model provides a high low temperature step-down governing valve of stability, includes governing valve body and last valve gap, the inlet has been seted up in the inside left side of governing valve body, the liquid outlet has been seted up on the inside right side of governing valve body, the inside fixedly connected with adjusting sleeve of governing valve body, the sleeve side opening has been seted up to adjusting sleeve left side lower extreme, the sleeve bottom has been seted up the sleeve lower hole, the equal fixedly connected with stopper in the adjusting sleeve inner wall left and right sides, the inside threaded connection of going up the valve gap has the threaded rod, threaded rod top fixedly connected with adjusting handle, threaded rod bottom fixedly connected with case, first thread groove has been seted up to threaded rod upper end outer wall, go up valve gap top inner wall and seted up the second thread groove, the threaded rod front side is provided with the graduation apparatus, the adjustment groove has been seted up to case lower extreme outer wall.
In a preferred embodiment, the first thread groove and the second thread groove are engaged, and the threaded rod is rotated to move up and down along the upper bonnet, thereby changing the position of the valve core inside the adjustment sleeve to adjust the flow rate.
In a preferred embodiment, the upper valve cover is fixedly connected to the top of the valve body of the regulating valve through bolts.
In a preferred embodiment, the valve element is movably connected to the inside of the adjusting sleeve.
In a preferred embodiment, the adjusting sleeve and the valve core are both cylindrical structures.
In a preferred embodiment, the lower end of the valve core is hollow, and the hollow inner cavity of the valve core is communicated with the adjusting groove. To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, install the governing valve in the pipeline department of required regulation, when adjusting, rotatory threaded rod makes the threaded rod reciprocate along last valve gap, the threaded rod drives the case and reciprocates along the adjusting sleeve inner wall, change the adjustment tank that the case outer wall was seted up and the contact surface of sleeve side opening, medium in the pipeline passes through the inlet and gets into the sleeve side opening, the downthehole liquid of sleeve side gets into case lower extreme inner wall through the adjustment tank, the downthehole liquid outlet that gets into of rethread sleeve, thereby reach the effect of regulated flow, observe through the graduation apparatus that sets up in the threaded rod front side.
2. The utility model discloses in, through the sleeve structure, the driven governing valve of contrast only need install one and go up the valve gap, the installation convenient to detach of being convenient for, the inlet of sleeve type structure forms very big guide part between adjusting sleeve and case, consequently can not arouse the vibration of case, improves the life of valve.
Drawings
FIG. 1 is a schematic diagram of a high-stability low-temperature pressure-reducing regulating valve of the present invention;
FIG. 2 is an enlarged view of A in the low-temperature pressure-reducing regulating valve with high stability of the present invention;
FIG. 3 is an enlarged view of the B in the low-temperature pressure-reducing regulating valve with high stability of the present invention;
fig. 4 is the utility model relates to a mechanism schematic diagram of case in high low temperature step-down governing valve of stability.
The labels in the figure are: 1-regulating valve body, 2-upper valve cover, 3-liquid inlet, 4-liquid outlet, 5-regulating sleeve, 6-sleeve side hole, 7-sleeve lower hole, 8-threaded rod, 9-regulating hand wheel, 10-valve core, 11-first thread groove, 12-second thread groove, 13-limiting block, 14-regulating groove and 15-dial gauge.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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.
Referring to fig. 1-4, a high-stability low-temperature pressure-reducing regulating valve comprises a regulating valve body 1 and an upper valve cover 2, wherein the upper valve cover 2 is fixedly connected to the top of the regulating valve body 1 through bolts, a liquid inlet 3 is formed in the left side of the interior of the regulating valve body 1, a liquid outlet 4 is formed in the right side of the interior of the regulating valve body 1, a regulating sleeve 5 is fixedly connected to the interior of the regulating valve body 1, a sleeve side hole 6 is formed at the lower end of the left side of the regulating sleeve 5, a sleeve lower hole 7 is formed at the bottom of the regulating sleeve 5, limiting blocks 13 are fixedly connected to the left side and the right side of the inner wall of the regulating sleeve 5, a threaded rod 8 is connected to the interior of the upper valve cover 2 through threads, a regulating hand wheel 9 is fixedly connected to the top of the threaded rod 8, a valve core 10 is fixedly connected to the bottom of the threaded rod 8, the valve core 10 is movably connected to the interior of the regulating sleeve 5, the regulating sleeve 5 and the valve core 10 are both in a cylindrical structure, and a first threaded groove 11 is formed on the outer wall of the upper end of the threaded rod 8, the inner wall of the top of the upper valve cover 2 is provided with a second thread groove 12, a first thread groove 11 is meshed with the second thread groove 12, the threaded rod 8 moves up and down along the upper valve cover 2 by rotating the threaded rod 8, thereby changing the position of the valve core 10 in the adjusting sleeve 5 to adjust the flow, the front side of the threaded rod 8 is provided with a graduator 15, the outer wall of the lower end of the valve core 10 is provided with an adjusting groove 14, the lower end of the valve core 10 is hollow, the hollow inner cavity of the valve core is communicated with the adjusting groove 14, the adjusting valve is arranged at the position of a pipeline to be adjusted, when the adjustment is carried out, the threaded rod 8 is rotated to move up and down along the upper valve cover 2, the threaded rod 8 drives the valve core 10 to move up and down along the inner wall of the adjusting sleeve 5, the contact surface of the adjusting groove 14 arranged on the outer wall of the valve core 10 and the sleeve side hole 6 is changed, the medium in the pipeline enters the sleeve side hole 6 through the liquid inlet 3, the liquid in the sleeve side hole 6 enters the inner wall of the lower end of the valve core 10 through the adjusting groove 14, then enters the liquid outlet 4 through the lower hole 7 of the sleeve, thereby achieving the effect of adjusting the flow, and observing through the dial gauge 15 arranged at the front side of the threaded rod 8.
The working principle is as follows: the regulating valve is arranged at a pipeline to be regulated, when the regulating valve is regulated, the threaded rod 8 is rotated to enable the threaded rod 8 to move up and down along the upper valve cover 2, the threaded rod 8 drives the valve core 10 to move up and down along the inner wall of the regulating sleeve 5, the contact surface between a regulating groove 14 formed in the outer wall of the valve core 10 and the sleeve side hole 6 is changed, a medium in the pipeline enters the sleeve side hole 6 through the liquid inlet 3, liquid in the sleeve side hole 6 enters the inner wall of the lower end of the valve core 10 through the regulating groove 14 and then enters the liquid outlet 4 through the sleeve lower hole 7, so that the flow regulating effect is achieved, and observation is carried out through a dial gauge 15 arranged on the front side of the threaded rod 8;
the utility model discloses high low temperature step-down governing valve of stability through sleeve structure, and the valve gap 2 is gone up only need installing one to contrast driven governing valve, is convenient for install convenient to detach, and inlet 2 of sleeve type structure forms very big guide part between adjusting sleeve 5 and case 10, consequently can not arouse the vibration of case, improves the life of valve.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a high low temperature step-down governing valve of stability, includes governing valve body (1) and upper valve cover (2), its characterized in that: the adjustable valve is characterized in that an inlet (3) is formed in the left side inside the regulating valve body (1), a liquid outlet (4) is formed in the right side inside the regulating valve body (1), an adjusting sleeve (5) is fixedly connected inside the regulating valve body (1), a sleeve side hole (6) is formed in the lower end of the left side of the adjusting sleeve (5), a sleeve lower hole (7) is formed in the bottom of the adjusting sleeve (5), limit blocks (13) are fixedly connected to the left side and the right side of the inner wall of the adjusting sleeve (5), a threaded rod (8) is connected to the inner thread inside the upper valve cover (2), an adjusting hand wheel (9) is fixedly connected to the top of the threaded rod (8), a valve core (10) is fixedly connected to the bottom of the threaded rod (8), a first thread groove (11) is formed in the outer wall of the upper end of the threaded rod (8), a second thread groove (12) is formed in the inner wall of the top of the upper valve cover (2), the scale gauge (15) is arranged on the front side of the threaded rod (8), and the adjusting groove (14) is formed in the outer wall of the lower end of the valve core (10).
2. A highly stable cryogenic pressure reducing regulator valve as defined in claim 1, wherein: the first thread groove (11) and the second thread groove (12) are engaged.
3. A highly stable cryogenic pressure reducing regulator valve as defined in claim 1, wherein: the upper valve cover (2) is fixedly connected to the top of the regulating valve body (1) through bolts.
4. A highly stable cryogenic pressure reducing regulator valve as defined in claim 1, wherein: the valve core (10) is movably connected inside the adjusting sleeve (5).
5. A highly stable cryogenic pressure reducing regulator valve as defined in claim 1, wherein: the adjusting sleeve (5) and the valve core (10) are both in a cylindrical structure.
6. A highly stable cryogenic pressure reducing regulator valve as defined in claim 1, wherein: the lower end of the valve core (10) is hollow, and the hollow inner cavity of the valve core is communicated with the adjusting groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120644288.1U CN214578982U (en) | 2021-03-30 | 2021-03-30 | High low temperature step-down governing valve of stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120644288.1U CN214578982U (en) | 2021-03-30 | 2021-03-30 | High low temperature step-down governing valve of stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214578982U true CN214578982U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120644288.1U Active CN214578982U (en) | 2021-03-30 | 2021-03-30 | High low temperature step-down governing valve of stability |
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| Country | Link |
|---|---|
| CN (1) | CN214578982U (en) |
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2021
- 2021-03-30 CN CN202120644288.1U patent/CN214578982U/en active Active
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