CN215293690U - Ball valve for refrigeration equipment with locking plate limiting function - Google Patents
Ball valve for refrigeration equipment with locking plate limiting function Download PDFInfo
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- CN215293690U CN215293690U CN202121836016.8U CN202121836016U CN215293690U CN 215293690 U CN215293690 U CN 215293690U CN 202121836016 U CN202121836016 U CN 202121836016U CN 215293690 U CN215293690 U CN 215293690U
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- locking plate
- ball valve
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- valve
- valve rod
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Abstract
A locking plate limited ball valve for refrigeration equipment comprises a ball valve body, wherein a valve core is arranged in the ball valve body and controlled by a valve rod; the side edge of the ball valve body is connected with a valve cover, the side edge of the valve cover is connected with a pipeline, the top of the ball valve body is of a tubular structure, two limiting structures with different heights are arranged at the top of the tubular structure, and the limiting structures are respectively a horizontal limiting surface of a locking plate and a rotary limiting surface of the locking plate; the locking plate horizontal limiting surface and the locking plate rotation limiting surface jointly form a tubular structure, and the locking plate rotation limiting surface is axially higher than the locking plate horizontal limiting surface; the horizontal limiting surface of the locking plate is attached to the locking plate, and the middle of the locking plate is matched and connected with the valve rod through a mounting hole; the locking plate side be equipped with the arch, two bellied borders cooperate the locking plate to rotate two sides of spacing face under the control of valve rod. The utility model discloses a limit structure that two differences in height on the cooperation ball valve body of locking plate structure realize the accurate control performance to ball valve switch for refrigeration plant.
Description
Technical Field
The utility model relates to a ball valve especially indicates to relate to a spacing ball valve for refrigeration plant of locking plate.
Background
With continuous innovation development of the science and technology, the ball valve switch is generally used in various technical field industries, and the opening degree of the ball valve is controlled by the angle between a valve rod rotating control valve core and a valve hole in a valve body through a common ball valve switch. The traditional control process generally adopts a limiting rod structure arranged on a valve rod, and the angle change of a valve core relative to a valve hole in a valve body is realized through the limiting end surface of the limiting rod matched with the valve body. In addition, a locking plate structure is matched under the control of the valve rod, and the angle change of the valve core relative to the valve hole in the valve body is realized through the valve plate and the limit structure matched with the valve body.
Chinese utility model patent CN201620501567.1 discloses a locate mode ball valve, its technical scheme main points are that it includes the valve gap and sets up the valve body in the valve gap, be provided with in the valve body and be used for the valve body to open and close the spheroid that opens and shuts with the valve gap, it installs the valve rod to rotate on the valve body, fixed connection between valve rod and the spheroid, the valve rod stretches out the outer one of valve body and serves fixed mounting and has the handle, slidable mounting has the locking plate on the handle, it is protruding to be provided with the location on the locking plate, it is provided with the protruding matched with fixed block in location to lie in locking plate department on the valve gap.
The ball valve structure controls the rotation angle of the valve rod by matching one limiting substance with another limiting substance to control the rotation precision of the valve rod, but the limiting substance is lack of a limiting structure, for example, the locking plate in the patent is installed in a sliding manner and can slide up and down in the use process. In addition, the limiting rod structure can rotate, the roundness of the valve rod cannot be guaranteed, and particularly, the limiting rod structure can be changed into an irregular excircle after being impacted in the limiting process, so that the defect of the rotation precision of the valve rod is caused. In order to solve the above problems, how to improve the accuracy of the opening degree of the ball valve is an object of study by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stable in structure, the leakproofness is strong, the accurate spacing ball valve for refrigeration plant of locking plate of case aperture.
A locking plate limited ball valve for refrigeration equipment comprises a ball valve body, wherein a valve core is arranged in the ball valve body and controlled by a valve rod; the side edge of the ball valve body is connected with a valve cover, the side edge of the valve cover is connected with a pipeline, the top of the ball valve body is of a tubular structure, two limiting structures with different heights are arranged at the top of the tubular structure, and the limiting structures are respectively a horizontal limiting surface of a locking plate and a rotary limiting surface of the locking plate; the locking plate horizontal limiting surface and the locking plate rotation limiting surface jointly form a tubular structure, and the locking plate rotation limiting surface is axially higher than the locking plate horizontal limiting surface; the horizontal limiting surface of the locking plate is attached to the locking plate, and the middle of the locking plate is matched and connected with the valve rod through a mounting hole; the locking plate side be equipped with the arch, two bellied borders cooperate the locking plate to rotate two sides of spacing face under the control of valve rod. This ball valve structure utilizes the mounting hole cooperation valve rod in the middle of the locking plate and valve rod to form an organic whole structure, and the spacing of locking plate itself divide into two:
the horizontal radial position limitation mainly comprises a bulge on the side edge of the locking plate, and the left side edge and the right side edge of the bulge are matched with the two side edges of the rotating position limiting surface of the locking plate.
The spacing of upper and lower axial mainly provides down spacing face laminating connection locking plate by the spacing face of locking plate level, and the upper limit of locking plate is because the ball valve switching all is power downwards under the normal condition, then rotates and realizes the ball valve switch.
To sum up the utility model discloses having carried out accurate position to the locking plate and having injectd, realized the valve rod to the control of case aperture through the position of locking plate, reached the technical purpose of accurate control ball valve aperture.
The side edge of the ball valve body is integrally cast with a refrigerant filling interface, and a valve inside is installed in the refrigerant filling interface. Integrative casted refrigerant filling interface has expanded the utility model discloses an application realizes the filling function to the refrigerant, and the valve inside structure realizes preventing that the refrigerant from leaking to the one-way function of refrigerant filling, combines the relevant valve rod control case aperture of locking plate, reaches the technical purpose to the filling of refrigerant accurate control.
The mounting hole in the middle of the locking plate comprises a straight line section and an arc section, and two ends of the arc section are overlapped with two ends of the straight line section. The radial limiting of the locking plate to the valve rod is realized through a straight line segment and an arc segment, and the radial displacement of the valve rod relative to the locking plate is prevented, so that the precision of the mutual positions is improved.
The mounting hole in the middle of the locking plate comprises two straight line sections and two circular arc sections, and the end points of the two circular arc sections coincide with the end points of the straight line sections. This kind of mounting hole structure realizes through two straightways and two circular arc sections that the locking plate is radial spacing to the valve rod, prevents that radial displacement from appearing in the relative locking plate of valve rod to improve the precision of mutual position.
The mounting hole structure of one straight line section and one circular arc section in the two mounting hole structures is more convenient to process, so that the processing time is favorably shortened, and the production efficiency is improved. The straight line section of the locking plate is attached to a horizontal assembling surface on the connecting valve rod; the arc section is attached to an arc assembly surface on the connecting valve rod so as to improve the matching and connecting performance between the locking plate and the valve rod.
As preferred structure circular arc assembly surface upside be equipped with the external screw thread, the external screw thread upside is equipped with the undergauge pole section of cooperation nut, also can directly drive the valve rod rotation by the nut through the nut is dustproof, realizes the technological effect of valve switching.
The external thread of the optimized structure is connected with a gland nut, and the gland nut is sequentially pressed with a locking plate, a pressing ring and a sealing ring which are sleeved with the valve rod.
The two straight line sections of the locking plate are attached to and connected with two horizontal assembling surfaces on the valve rod; the two arc sections are attached to two arc assembling surfaces on the connecting valve rod.
The valve rod is provided with a sealing ring mounting ring and a clamp spring mounting ring.
The utility model discloses a having carried out accurate position to the locking plate and having injectd, realizing the valve rod to the control of case aperture through the position of locking plate, reaching the technical purpose of accurate control ball valve aperture. The locking plate structure realizes accurate control performance of the ball valve switch for the refrigeration equipment by matching two limiting structures with different heights on the ball valve body.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic view of a cross-sectional structure of a locking plate-limited ball valve for refrigeration equipment according to the present invention;
FIG. 2 is a schematic structural view of the valve body of FIG. 1;
FIG. 3 is a schematic top view of the valve body of FIG. 1;
FIG. 4 is a side view of the valve body of FIG. 1;
FIG. 5 is a front view of the valve stem of FIG. 1;
FIG. 6 is a schematic structural view of the locking tab of FIG. 1;
FIG. 7 is a schematic view of another sectional structure of a locking plate limited ball valve for a refrigeration device according to the present invention;
FIG. 8 is a front view of the valve stem of FIG. 7;
fig. 9 is a schematic structural view of the locking tab of fig. 7.
Detailed description of the preferred embodiments
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-6, a locking plate limited ball valve for refrigeration equipment comprises a ball valve body 8, a valve core 9 is installed in the ball valve body 8, and the valve core 9 is controlled by a valve rod 5. The side of the ball valve body 8 is connected with a valve cover 2, and the side of the valve cover 2 is connected with a pipeline 1. The top of the ball valve body 8 is a tubular structure 3, the top of the tubular structure 3 is provided with two limiting structures with different heights, and the limiting structures are respectively a horizontal limiting surface 11 of the locking plate and a rotating limiting surface 10 of the locking plate. The locking plate horizontal limiting surface 11 and the locking plate rotation limiting surface 10 jointly form a tubular structure, and the locking plate rotation limiting surface is axially higher than the locking plate horizontal limiting surface.
The horizontal limiting surface 11 of the locking plate is attached to the locking plate 14, and the middle of the locking plate 14 is matched with the valve rod 5 through the mounting hole 15. The side edge of the locking plate 14 is provided with a bulge 16, the bulge 16 is arc-shaped, and two edges of the bulge 16 are matched with two side edges of the locking plate rotation limiting surface 10 under the control of the valve rod 5, so that the control performance of the opening degree of the ball valve core 9 is achieved.
In order to realize the addition of the refrigerant, a refrigerant filling interface 6 is integrally cast on the side edge of the ball valve body, and a valve core 7 is installed in the refrigerant filling interface, so that the unidirectional addition performance of the refrigerant is realized.
Embodiment 1 as shown in fig. 6, the mounting hole 15 in the middle of the locking plate 14 comprises two straight line segments and two circular arc segments, and the end points of the two circular arc segments coincide with the end points of the straight line segments, so as to achieve the tight fit performance with the valve rod 5. Two straight sections of the locking plate 14 are attached to two horizontal assembling surfaces on the valve rod 5, and two arc sections are attached to two arc assembling surfaces on the valve rod 5. The valve rod 5 is provided with a sealing ring mounting ring 12 and a clamp spring mounting ring 13, the sealing ring mounting ring 12 realizes sealing between the valve rod and the valve body, the clamp spring mounting ring 13 is provided with a clamp ring 20, and the clamp ring 20 limits axial movement of the locking plate 14.
Embodiment 2 as shown in fig. 7 to 9, the mounting hole in the middle of the locking piece 21 includes a straight line section 32 and a circular arc section 31, and both ends of the circular arc section 31 coincide with both ends of the straight line section 32. The straight line section 32 of the locking plate is attached to the horizontal assembling surface 28 on the connecting valve rod 19, and the circular arc section 31 is attached to the circular arc assembling surface on the connecting valve rod 19 so as to improve the connecting performance between the locking plate and the valve rod. The upper side of the arc assembling surface is provided with an external thread 26, the upper side of the external thread 26 is provided with a reducing rod section 27 matched with the screw cap 18, and the valve rod 19 is controlled to rotate through the screw cap 18. The external thread 26 is in threaded connection with a gland nut 20, and the gland nut 20 is sequentially pressed with a locking plate 21 sleeved with the valve rod 19, a pressing ring 22 and a sealing ring 17 to realize axial limiting of the locking plate 21. The locking piece 21 is provided with a bulge 30 on the outer side.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. A locking plate limited ball valve for refrigeration equipment comprises a ball valve body, wherein a valve core is arranged in the ball valve body and controlled by a valve rod; ball valve body side be connected with the valve gap, the valve gap side is connected with pipeline, its characterized in that: the top of the ball valve body is of a tubular structure, two limiting structures with different heights are arranged at the top of the tubular structure, and the limiting structures are a horizontal limiting surface of the locking plate and a rotary limiting surface of the locking plate respectively; the locking plate horizontal limiting surface and the locking plate rotation limiting surface jointly form a tubular structure, and the locking plate rotation limiting surface is axially higher than the locking plate horizontal limiting surface; the horizontal limiting surface of the locking plate is attached to the locking plate, and the middle of the locking plate is matched and connected with the valve rod through a mounting hole; the locking plate side be equipped with the arch, two bellied borders cooperate the locking plate to rotate two sides of spacing face under the control of valve rod.
2. The ball valve for the locking plate limiting refrigeration equipment according to claim 1, characterized in that: the side edge of the ball valve body is integrally cast with a refrigerant filling interface, and a valve inside is installed in the refrigerant filling interface.
3. The ball valve for the locking plate limiting refrigeration equipment according to claim 1, characterized in that: the mounting hole in the middle of the locking plate comprises a straight line section and an arc section, and two ends of the arc section are overlapped with two ends of the straight line section.
4. The ball valve for the locking plate limiting refrigeration equipment according to claim 1, characterized in that: the mounting hole in the middle of the locking plate comprises two straight line sections and two circular arc sections, and the end points of the two circular arc sections coincide with the end points of the straight line sections.
5. The ball valve for the locking plate limiting refrigeration equipment as claimed in claim 3, wherein: the straight line section of the locking plate is attached to a horizontal assembling surface on the connecting valve rod; the arc section is attached to an arc assembling surface on the connecting valve rod.
6. The ball valve for the locking plate limiting refrigeration equipment as claimed in claim 5, wherein: the upper side of the arc assembling surface is provided with an external thread, and the upper side of the external thread is provided with a reducing rod section matched with a nut.
7. The ball valve for the locking plate limiting refrigeration equipment as claimed in claim 6, wherein: the external thread is in threaded connection with a gland nut, and the gland nut is sequentially pressed with a locking plate, a pressing ring and a sealing ring which are sleeved with the valve rod.
8. The ball valve for the locking plate limiting refrigeration equipment as claimed in claim 4, wherein: the two straight line sections of the locking plate are attached to and connected with two horizontal assembling surfaces on the valve rod; the two arc sections are attached to two arc assembling surfaces on the connecting valve rod.
9. The ball valve for the locking plate limiting refrigeration equipment according to claim 8, wherein: the valve rod is provided with a sealing ring mounting ring and a clamp spring mounting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121836016.8U CN215293690U (en) | 2021-08-06 | 2021-08-06 | Ball valve for refrigeration equipment with locking plate limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121836016.8U CN215293690U (en) | 2021-08-06 | 2021-08-06 | Ball valve for refrigeration equipment with locking plate limiting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293690U true CN215293690U (en) | 2021-12-24 |
Family
ID=79526513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121836016.8U Active CN215293690U (en) | 2021-08-06 | 2021-08-06 | Ball valve for refrigeration equipment with locking plate limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293690U (en) |
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2021
- 2021-08-06 CN CN202121836016.8U patent/CN215293690U/en active Active
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