CN219013529U - Sealing sleeve for dry-wet separation - Google Patents
Sealing sleeve for dry-wet separation Download PDFInfo
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- CN219013529U CN219013529U CN202223581011.2U CN202223581011U CN219013529U CN 219013529 U CN219013529 U CN 219013529U CN 202223581011 U CN202223581011 U CN 202223581011U CN 219013529 U CN219013529 U CN 219013529U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a dry-wet separation sealing sleeve, which is characterized in that: the utility model adopts the combined structures of the sealing sleeve shell, the axial sealing ring groove, the radial sealing ring groove, the R sealing ring, the U-shaped sealing ring, the sealing ring and the like, and realizes the dry-wet separation of the sealing sleeve, thereby realizing scientific and reasonable design, simple structure, single replacement of vulnerable parts and reduction of the use and maintenance cost. The lower ends of the sealing sleeve shell and the U-shaped sealing ring are in sealing connection with a valve chamber of the pneumatic valve to form a paint liquid wet sealing structure. The upper end of the sealing sleeve shell, the upper end of the R sealing ring and the sealing ring are in sealing connection with a pneumatic piston chamber of the pneumatic valve to form a gas end dry sealing structure, and the whole sealing structure is formed in a dry-wet separation mode. The sealing sleeve shell has long service life, and the R sealing ring and the like of the vulnerable parts are independently replaced, so that the use and maintenance cost is low. The spherical pressure groove and the U-shaped pressure groove can prevent paint from penetrating into a sealing connection interface and sealing is not tight. Overcomes the defects of the prior art.
Description
Technical Field
The utility model relates to the technical field of sealing kits, in particular to a dry-wet separation sealing kit.
Background
The pneumatic paint color-changing control valve sealing piece of the prior art adopts an integrated sealing structure, one end of the sealing piece is contacted with the air of the piston air chamber, and the other end of the sealing piece is contacted with paint liquid of the valve chamber, thus the sealing piece belongs to a vulnerable part and is required to be replaced integrally. Because pneumatic paint color-changing control valves of the spraying machine or the spraying robot use pneumatic control, the pressure of a piston air chamber and the pressure of paint in a valve chamber can be frequently and repeatedly changed, so that a sealing element is damaged by accelerated aging, and meanwhile, paint is permeated into a sealing connection interface, so that sealing is not tight and the sealing element is deformed. The service life is short, the overall replacement frequency is high, and the use and maintenance cost is increased.
Disclosure of Invention
The utility model aims to provide a dry-wet separation sealing sleeve, which reasonably and effectively solves the problems that a sealing element of a pneumatic paint color-changing control valve for spraying in the prior art is required to be replaced integrally, the sealing element is fast in ageing and damage, paint is easy to permeate into a sealing connection interface, the sealing is not tight, the sealing element is deformed, the service life is short, the integral replacement frequency is high, and the use and maintenance cost is high.
The utility model adopts the following technical scheme:
the utility model provides a sealing external member of wet separation futilely, includes seal cover casing, radial septum, drain hole, valve rod hole, check ring draw-in groove, axial sealing washer groove, radial sealing washer groove, check ring, R sealing washer, U-shaped sealing washer, sphere pressure groove, U-shaped pressure groove, sealing ring, its characterized in that:
the sealing sleeve shell is cylindrical and tubular, the radial middle position of the axis is radially provided with a radial middle partition, two ends of a diameter of the radial middle partition are relatively and radially provided with drain holes, the center of the radial middle partition is provided with a valve rod hole, the upper side and the lower side of the radial middle partition are respectively provided with an axial sealing ring groove, an R sealing ring is arranged in the axial sealing ring groove arranged on the upper side of the radial middle partition, the upper end of the R sealing ring is provided with a spherical pressure groove, the lower end of the radial middle partition is provided with a U-shaped sealing ring, the centers of the R sealing ring and the U-shaped sealing ring are provided with valve rod holes, the inner wall of an upper port of the sealing sleeve shell arranged on the upper end of the R sealing ring is radially provided with a check ring clamping groove, the outer side wall of the sealing sleeve corresponding to the groove bottom of the spherical pressure groove is provided with a radial sealing ring groove, the radial sealing ring groove is internally provided with a sealing ring, and the sealing sleeve for a pneumatic valve sealing piece of a spraying machine or a spraying robot in a dry-wet separation mode.
Further, the seal cover shell is connected and arranged in a pneumatic valve sealing sleeve groove of the spraying machine or the spraying robot, a valve rod is connected and arranged in a valve rod hole formed by a radial middle partition, a check ring, an R sealing ring and a U sealing ring, the lower end of the seal cover shell and the lower end of the U sealing ring are in sealing connection with a valve chamber of the pneumatic valve to form a paint liquid wet sealing structure, the upper end of the seal cover shell and the upper end of the R sealing ring are in sealing connection with a pneumatic piston chamber of the pneumatic valve to form a gas end dry sealing structure, and the whole structure forms a dry-wet separation sealing structure.
Further, the R sealing ring is arranged in an inverted R shape in an axial sealing ring groove at the upper side of the radial middle partition, the spherical pressure groove is arranged at the upper end of the R sealing ring, the spherical pressure groove is in a V shape with an outer straight wall, and the inner side wall is in spherical surrounding sealing connection with the valve rod.
Further, the U-shaped sealing ring is arranged in an axial sealing ring groove at the lower side of the radial middle partition in a cylindrical shape, the lower end of the U-shaped sealing ring is provided with the U-shaped pressure groove, the U-shaped pressure groove is U-shaped, and the inner side groove wall is in encircling sealing connection with the valve rod.
The beneficial technical effects of the utility model are as follows:
the utility model discloses a dry-wet separation sealing sleeve, which reasonably and effectively solves the problems that a sealing element of a pneumatic paint color-changing control valve for spraying in the prior art is required to be replaced integrally, the sealing element is fast in ageing and damage, paint is easy to permeate into a sealing connection interface, the sealing is not tight, the sealing element is deformed, the service life is short, the integral replacement frequency is high, and the use and maintenance cost is high.
The sealing sleeve adopts a combined structure of the sealing sleeve shell, the radial middle partition, the drainage hole, the valve rod hole, the check ring clamping groove, the axial sealing ring groove, the radial sealing ring groove, the check ring, the R sealing ring, the U sealing ring, the spherical pressure groove, the U sealing groove and the sealing ring, so that the design of a sealing sleeve for realizing dry-wet separation is scientific and reasonable, the structure is simple, the vulnerable parts are independently replaced, and the use and maintenance cost is reduced. The sealing sleeve shell is connected and arranged in a pneumatic valve sealing sleeve groove of the spraying machine or the spraying robot, and the lower end of the sealing sleeve shell and the lower end of the U-shaped sealing ring are in sealing connection with a valve chamber of the pneumatic valve to form a paint liquid wet sealing structure. The upper end of the sealing sleeve shell, the upper end of the R sealing ring and the sealing ring are in sealing connection with a pneumatic piston chamber of the pneumatic valve to form a gas end dry sealing structure, and the whole sealing structure is formed in a dry-wet separation mode. The seal sleeve shell is made of metal or engineering plastic, the service life is long, and the R seal ring, the U-shaped seal ring and the seal ring of the vulnerable part can be replaced independently, so that the use and maintenance cost is effectively reduced. The inner side groove walls of the spherical pressure groove and the U-shaped pressure groove are sealed with the valve rod in an encircling mode, when the pressure of the valve chamber or the piston air chamber is increased, the sealing pressure of the sealing interface is increased, and paint can be prevented from penetrating into the sealing connection interface and sealing is not tight. Overcomes the defects of the prior art.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model.
Fig. 2 is a schematic view of an exploded construction of the present utility model.
The figure shows: 1-sealing sleeve shell, 2-radial septum, 3-drainage hole, 4-valve rod hole, 5-check ring clamping groove, 6-axial sealing ring groove, 7-radial sealing ring groove, 8-check ring, 9-R sealing ring, 10-U-shaped sealing ring, 11-spherical pressure groove, 12-U-shaped pressure groove and 13-sealing ring.
Detailed Description
The present utility model will be further understood by the following description of embodiments, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present utility model, and any modification of the definition of components or technical features and/or the form of the whole structure without substantial change should be considered as the protection scope defined by the technical solution of the present utility model.
Examples:
the sealing sleeve for dry-wet separation as shown in fig. 1-2 comprises a sealing sleeve shell 1, a radial middle partition 2, a drain hole 3, a valve rod hole 4, a check ring clamping groove 5, an axial sealing ring groove 6, a radial sealing ring groove 7, a check ring 8, an R sealing ring 9, a U-shaped sealing ring 10, a spherical pressure groove 11, a U-shaped pressure groove 12 and a sealing ring 13.
First, the gland housing 1 is provided. The gland housing 1 is provided in the form of a cylindrical tube. The radial septum 2 is radially disposed at an axially intermediate position. A drain hole 3 is provided at each radial end of the radial septum 2. A valve stem hole 4 is provided in the center of the radial septum 2. An axial sealing ring groove 6 is respectively arranged on the upper side and the lower side of the radial middle partition 2. Then, an R-shaped sealing ring 9 and a U-shaped sealing ring 10 are respectively arranged in the axial sealing ring groove 6. The outer ends of the R sealing ring 9 and the U-shaped sealing ring 10 are respectively provided with a spherical pressure groove 11 and a U-shaped pressure groove 12 correspondingly. The centers of the R sealing ring 9 and the U-shaped sealing ring 10 are provided with a valve rod hole 4. The inner wall of the upper port of the seal sleeve shell 1 is radially provided with a check ring clamping groove 5, and a C-shaped ring-shaped check ring 8 is arranged in the check ring clamping groove 5. The radial seal ring groove 7 is arranged on the outer side wall of the seal sleeve shell 1 corresponding to the groove bottom of the spherical pressure groove 11, and the seal ring 13 is arranged in the radial seal ring groove 7.
The sealing sleeve member for dry-wet separation is a pneumatic valve sealing member of a spraying machine or a spraying robot. The sealing sleeve shell 1 is connected and arranged in a pneumatic valve sealing sleeve groove of a spraying machine or a spraying robot, and a valve rod is connected and arranged in a valve rod hole 4 formed in the radial middle partition 2, the check ring 8, the R sealing ring 9 and the U-shaped sealing ring 10. The lower end of the seal sleeve shell 1 and the lower end of the U-shaped sealing ring 10 are in sealing connection with a valve chamber of a pneumatic valve to form a paint liquid wet sealing structure. The upper end of the seal sleeve shell 1, the upper end of the R seal ring 9 and the seal ring 13 are in sealing connection with a pneumatic piston chamber of a pneumatic valve to form a gas end dry sealing structure. The whole body forms a sealing structure for dry-wet separation.
The R sealing ring 9 is arranged in an inverted R shape in the axial sealing ring groove 6 at the upper side of the radial middle partition 2, the spherical pressure groove 11 is arranged at the upper end, the spherical pressure groove 11 is in a V shape with an outer straight wall, and the inner side wall is in spherical surface encircling sealing connection with the valve rod. The U-shaped sealing ring 10 is arranged in the axial sealing ring groove 6 at the lower side of the radial middle partition 2 in a cylindrical shape, the lower end of the U-shaped sealing ring is provided with the U-shaped pressure groove 12, the U-shaped pressure groove 12 is U-shaped, and the inner side groove wall is in encircling sealing connection with the valve rod. The inner side groove walls of the spherical pressure groove 11 and the U-shaped pressure groove 12 are in encircling sealing connection with the valve rod, when the pressure of the valve chamber or the piston air chamber is increased, the sealing pressure of the sealing interface is increased, and paint can be prevented from penetrating into the sealing connection interface and sealing is not tight. The implementation of a dry-wet separation seal kit is completed.
The present utility model is, of course, capable of other and further embodiments and of modification in accordance with the utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model, but these modifications and variations are intended to be within the scope of the appended claims.
Claims (4)
1. The utility model provides a sealing external member of wet separation futilely, includes seal cover casing, radial septum, drain hole, valve rod hole, check ring draw-in groove, axial sealing washer groove, radial sealing washer groove, check ring, R sealing washer, U-shaped sealing washer, sphere pressure groove, U-shaped pressure groove, sealing ring, its characterized in that:
the sealing sleeve shell is cylindrical and tubular, the radial middle position of the axis is radially provided with a radial middle partition, two ends of a diameter of the radial middle partition are relatively and radially provided with drain holes, the center of the radial middle partition is provided with a valve rod hole, the upper side and the lower side of the radial middle partition are respectively provided with an axial sealing ring groove, an R sealing ring is arranged in the axial sealing ring groove arranged on the upper side of the radial middle partition, the upper end of the R sealing ring is provided with a spherical pressure groove, the lower end of the radial middle partition is provided with a U-shaped sealing ring, the centers of the R sealing ring and the U-shaped sealing ring are provided with valve rod holes, the inner wall of an upper port of the sealing sleeve shell arranged on the upper end of the R sealing ring is radially provided with a check ring clamping groove, the outer side wall of the sealing sleeve corresponding to the groove bottom of the spherical pressure groove is provided with a radial sealing ring groove, the radial sealing ring groove is internally provided with a sealing ring, and the sealing sleeve for a pneumatic valve sealing piece of a spraying machine or a spraying robot in a dry-wet separation mode.
2. The sealing sleeve for dry-wet separation according to claim 1, wherein the sealing sleeve shell is connected and arranged in a pneumatic valve sealing sleeve groove of a spraying machine or a spraying robot, a valve rod is connected and arranged in a valve rod hole formed by a radial middle partition, a check ring, an R sealing ring and a U sealing ring, the lower end of the sealing sleeve shell and the lower end of the U sealing ring are in sealing connection with a valve chamber of the pneumatic valve to form a paint liquid wet sealing structure, and the upper end of the sealing sleeve shell and the upper end of the R sealing ring are in sealing connection with a pneumatic piston chamber of the pneumatic valve to form a gas end dry sealing structure, and the whole structure of the sealing sleeve for dry-wet separation is a dry-wet sealing structure.
3. The dry-wet separation sealing sleeve according to claim 1 or 2, wherein the R sealing ring is arranged in an inverted R shape in an axial sealing ring groove at the upper side of the radial middle partition, the upper end of the R sealing ring is provided with the spherical pressure groove, the spherical pressure groove is in a V shape with an outer straight wall, and the inner side wall is in spherical surrounding sealing connection with the valve rod.
4. A dry and wet separated seal kit according to claim 1 or 2, wherein,
the U-shaped sealing ring is arranged in an axial sealing ring groove at the lower side of the radial middle partition in a cylindrical shape, the lower end of the U-shaped sealing ring is provided with the U-shaped pressure groove, the U-shaped pressure groove is U-shaped, and the inner side groove wall is in encircling sealing connection with the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223581011.2U CN219013529U (en) | 2022-12-31 | 2022-12-31 | Sealing sleeve for dry-wet separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223581011.2U CN219013529U (en) | 2022-12-31 | 2022-12-31 | Sealing sleeve for dry-wet separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219013529U true CN219013529U (en) | 2023-05-12 |
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ID=86233860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223581011.2U Active CN219013529U (en) | 2022-12-31 | 2022-12-31 | Sealing sleeve for dry-wet separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219013529U (en) |
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2022
- 2022-12-31 CN CN202223581011.2U patent/CN219013529U/en active Active
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