CN210716094U - Pneumatic jacket heat preservation three-way regulating valve - Google Patents
Pneumatic jacket heat preservation three-way regulating valve Download PDFInfo
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- CN210716094U CN210716094U CN201921805261.5U CN201921805261U CN210716094U CN 210716094 U CN210716094 U CN 210716094U CN 201921805261 U CN201921805261 U CN 201921805261U CN 210716094 U CN210716094 U CN 210716094U
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Abstract
The utility model belongs to the valve field, concretely relates to pneumatic clamp cover heat preservation three-way control valve, including valve body part, valve rod, case, valve gap part and pneumatic film posture actuating mechanism, valve body part has the case passageway, and valve body part's the left and right sides sets up first pipeline and the second pipeline that communicates with the case passageway respectively, and valve body part external fixation cover is established and is pressed from both sides the cover part, presss from both sides the jacket cavity between pressing from both sides cover part and the valve body part, presss from both sides the cover part including the valve body that entangles the valve body part main part and press from both sides the cover, entangles the first clamp cover of first pipeline and the second clamp cover that is covering the second pipeline, communicates between. The utility model discloses a press from both sides cover insulation construction, through let in the production that overflows steam and effectively prevent the low temperature crystallization in the cover cavity that presss from both sides the cover part formation to effectively reduce the production of crystallization, reach the easy crystallization operating mode operation requirement of low temperature, solved conventional three-way control valve and can not satisfy the easy dead problem of card of certain medium easy crystallization.
Description
Technical Field
The utility model belongs to the valve field, concretely relates to pneumatic clamp cover heat preservation three-way control valve that presss from both sides.
Background
The pneumatic regulating valve is matched with a multi-spring actuating mechanism, and has the advantages of compact structure, light weight, sensitive action, S-streamline fluid channel, large valve capacity, accurate flow characteristic, convenient assembly and disassembly and the like. The method is widely applied to accurately control media such as gas, liquid, steam and the like, and technological parameters such as pressure, flow, temperature and liquid level are kept at given values. The valve is suitable for various working conditions by matching with different valve internal parts.
In recent years, the domestic valve industry is rapidly developed, and the product structure types of various valve manufacturers are infinite. However, the existing domestic pneumatic three-way regulating valve has no good solution for the working condition of a medium which is low in temperature or easy to crystallize, and the phenomena of crystallization, clamping and damage of a valve core and a valve rod and the like are easy to occur on site, so that the service performance of the valve is reduced.
SUMMERY OF THE UTILITY MODEL
In order to make up the deficiency of the prior art, the utility model provides a pneumatic technical scheme who presss from both sides heat preservation three-way control valve that presss from both sides cover.
The pneumatic jacket heat-preservation three-way regulating valve is characterized by comprising a valve body part, a valve rod, a valve core, a valve cover part and a pneumatic film support type actuating mechanism, wherein the valve body part is provided with a valve core channel, the left side and the right side of the valve body part are respectively provided with a first pipeline and a second pipeline which are communicated with the valve core channel, the bottom of the valve body part is provided with a valve seat, the valve cover part is arranged at the upper end of the valve body part, the valve rod is inserted into the valve core channel of the valve body part and a through hole of the valve cover part, the upper end of the valve rod is connected with the pneumatic film support type actuating mechanism in; the valve body part is externally fixed and sleeved with a clamping sleeve part, a clamping sleeve cavity is formed between the clamping sleeve part and the valve body part, the clamping sleeve part comprises a valve body clamping sleeve sleeved on a valve body part main body, a first clamping sleeve sleeved on a first pipeline and a second clamping sleeve sleeved on a second pipeline, and the three clamping sleeves are communicated.
The pneumatic jacketed heat-preservation three-way regulating valve is characterized in that the upper end and the lower end of the valve body jacket are respectively and fixedly connected with a valve body jacket end plate.
The pneumatic jacket heat-preservation three-way regulating valve is characterized in that the left end of the first jacket is fixedly connected with a first jacket end plate.
The pneumatic jacket heat-preservation three-way regulating valve is characterized in that the right end of the second jacket is fixedly connected with a second jacket end plate.
The pneumatic jacketed heat-insulation three-way regulating valve is characterized in that a bottom plug is arranged at the bottom of the valve body part and is positioned at the lower end of the valve seat.
Compared with the prior art, the utility model discloses a press from both sides cover insulation construction lets in the production that overflows steam and effectively prevent the low temperature crystallization through pressing from both sides the cover cavity intracavity that presss from both sides the cover part and form to effectively reduce the production of crystallization, reach the easy crystallization operating mode operation requirement of low temperature, solved conventional tee bend governing valve and can't satisfy the easy dead problem of card of crystallization of some medium.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the valve comprises a valve body component 1, a valve core channel 100, a first pipeline 101, a second pipeline 102, a valve rod 2, a valve core 3, a valve cover component 4, a pneumatic membrane bracket type actuating mechanism 5, a valve seat 6, a valve body jacket 700, a first jacket 701, a second jacket 702, a valve body jacket end plate 703, a first jacket end plate 704, a second jacket end plate 705, a bottom plug 8 and a spring 9.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a pneumatic jacket heat-preservation three-way regulating valve comprises a valve body part 1, a valve rod 2, a valve core 3, a valve cover part 4 and a pneumatic film support type actuating mechanism 5, wherein a spring 9 is arranged in the pneumatic film support type actuating mechanism 5, the valve body part 1 is provided with a valve core channel 100, the left side and the right side of the valve body part 1 are respectively provided with a first pipeline 101 and a second pipeline 102 which are communicated with the valve core channel 100, the bottom of the valve body part 1 is provided with a valve seat 6, the valve cover part 4 is arranged at the upper end of the valve body part 1, the valve rod 2 is inserted into the valve core channel 100 of the valve body part 1 and a through hole of the valve cover part 4, the upper end of the valve rod 2 is connected with the pneumatic film support; the outer part of the valve body component 1 is fixedly sleeved with a jacket component, a jacket cavity is formed between the jacket component and the valve body component 1, the jacket component comprises a valve body jacket 700 for sleeving a valve body component main body, a first jacket 701 for sleeving a first pipeline 101 and a second jacket 702 for sleeving a second pipeline 102, and the three jackets are communicated.
As the utility model discloses an optimize structure: the upper end and the lower end of the valve body jacket 700 are respectively and fixedly connected with a valve body jacket end plate 703.
As the utility model discloses an optimize structure: the left end of the first jacket 701 is fixedly connected with a first jacket end plate 704.
As the utility model discloses an optimize structure: the right end of the second jacket 702 is fixedly connected with a second jacket end plate 705.
As the utility model discloses an optimize structure: and a bottom plug 8 is arranged at the bottom of the valve body component 1, and the bottom plug 8 is positioned at the lower end of the valve seat 6.
The utility model provides a valve rod 2, case 3, valve gap part 4, pneumatic film posture actuating mechanism 5, disk seat 6, end stopper 8, spring 9 are conventional structure.
The working principle of the pneumatic three-way regulating valve is a known technology, and the working principle is as follows: the pneumatic film support type actuating mechanism 5 receives an external (positioner) control signal and enters a diaphragm of the pneumatic film support type actuating mechanism 5 through a signal interface, a pressure signal generates an acting force on the diaphragm with an effective area, the force is rigidly transmitted to an actuating mechanism push rod through a tray on the diaphragm to generate displacement, the valve rod 2 is driven to act, corresponding displacement is generated between the valve rod 2 and the valve seat 6, the larger the signal pressure is, the larger the thrust force is, the larger the relative displacement between the valve rod 2 and the valve seat 6 is, and the smaller the thrust force is otherwise. When the push rod of the actuating mechanism moves, the spring 9 with large elasticity is compressed at the same time, when the thrust of the tray and the reaction force of the spring 9 are balanced, the valve core 3 and the valve rod 2 stay at a certain position, so that a certain pressure signal corresponds to a certain valve opening degree, the flow of a medium entering the valve body 1 is ensured, and the production process is normally carried out according to a certain program or requirements.
The utility model discloses a press from both sides cover insulation construction, through let in the production that overflows steam and effectively prevent the low temperature crystallization in the cover cavity that presss from both sides the cover part formation to effectively reduce the production of crystallization, reach the easy crystallization operating mode operation requirement of low temperature, solved conventional three-way control valve and can not satisfy the easy dead problem of card of certain medium easy crystallization.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a pneumatic clamp cover heat preservation three-way control valve, its characterized in that includes valve body part (1), valve rod (2), case (3), valve gap part (4) and pneumatic film support formula actuating mechanism (5), valve body part (1) has case passageway (100), the left and right sides of valve body part (1) sets up first pipeline (101) and second pipeline (102) that communicate with case passageway (100) respectively, the bottom of valve body part (1) sets up disk seat (6), valve gap part (4) set up in the upper end of valve body part (1), valve rod (2) are inserted and are located on the through-hole of case passageway (100) and valve gap part (4) of valve body part (1), the upper end and the pneumatic film support formula actuating mechanism (5) cooperation of valve rod (2) are connected, the lower extreme and the case (3) cooperation of valve rod (2) are connected; the valve body part (1) is externally fixed and sleeved with a jacket part, a jacket cavity is formed between the jacket part and the valve body part (1), the jacket part comprises a valve body jacket (700) which is sleeved on a valve body part main body, a first jacket (701) which is sleeved on a first pipeline (101) and a second jacket (702) which is sleeved on a second pipeline (102), and the three jackets are communicated.
2. The pneumatic jacket heat-preservation three-way regulating valve as claimed in claim 1, wherein the upper end and the lower end of the valve body jacket (700) are fixedly connected with a valve body jacket end plate (703) respectively.
3. The pneumatic jacket heat-preservation three-way regulating valve as claimed in claim 1, wherein the left end of the first jacket (701) is fixedly connected with a first jacket end plate (704).
4. The pneumatic jacket heat-preservation three-way regulating valve as claimed in claim 1, wherein the right end of the second jacket (702) is fixedly connected with a second jacket end plate (705).
5. The pneumatic jacketed heat-preservation three-way regulating valve as claimed in claim 1, characterized in that a bottom plug (8) is arranged at the bottom of the valve body component (1), and the bottom plug (8) is positioned at the lower end of the valve seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805261.5U CN210716094U (en) | 2019-10-25 | 2019-10-25 | Pneumatic jacket heat preservation three-way regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805261.5U CN210716094U (en) | 2019-10-25 | 2019-10-25 | Pneumatic jacket heat preservation three-way regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210716094U true CN210716094U (en) | 2020-06-09 |
Family
ID=70967485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921805261.5U Active CN210716094U (en) | 2019-10-25 | 2019-10-25 | Pneumatic jacket heat preservation three-way regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210716094U (en) |
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2019
- 2019-10-25 CN CN201921805261.5U patent/CN210716094U/en active Active
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