CN113864283A - Sealing member and hot runner system - Google Patents
Sealing member and hot runner system Download PDFInfo
- Publication number
- CN113864283A CN113864283A CN202111250443.2A CN202111250443A CN113864283A CN 113864283 A CN113864283 A CN 113864283A CN 202111250443 A CN202111250443 A CN 202111250443A CN 113864283 A CN113864283 A CN 113864283A
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- shaped
- sealing element
- seal
- element body
- bezel
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- 238000007789 sealing Methods 0.000 title claims abstract description 119
- 239000007769 metal material Substances 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/20—Rings with special cross-section; Oil-scraping rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to the technical field of hot runners, and provides a sealing element and a hot runner system, wherein the sealing element is made of metal materials and comprises: the sealing element body is annular; the first stress part is arranged on the upper ring surface of the sealing element body and connected with the sealing element body, and at least one first U-shaped bevel opening is formed in the first stress part; the second stress part is arranged on the lower annular surface of the sealing element body and connected with the sealing element body, and at least one second U-shaped bevel opening is formed in the second stress part; the deformation extrusion part is arranged on the outer annular surface of the sealing element body and is connected with the sealing element body; the U-shaped deformation groove is arranged inside the sealing element body, and the opening of the U-shaped deformation groove extends to the inner annular surface of the sealing element body. The sealing member is made of metal materials, the abrasion resistance is enhanced, the deformation direction is stabilized by the arrangement of the first U-shaped bevel opening and the second U-shaped bevel opening, and the air leakage is avoided by the arrangement of the U-shaped deformation groove.
Description
Technical Field
The invention relates to the technical field of hot runners, in particular to a sealing piece and a hot runner system.
Background
In the hot runner system, the action part of a cylinder consists of a cylinder body and a piston, the piston is arranged in the cylinder, the cylinder body is divided into an upper air pressure chamber and a lower air pressure chamber by the piston, and the piston in the cylinder is driven to reciprocate by introducing compressed air into the upper air pressure chamber and the lower air pressure chamber of the cylinder body. In order to meet the requirement that no air leakage exists between an upper air pressure chamber and a lower air pressure chamber in a cylinder body, a sealing piece is required to be arranged between an upper piston and a lower piston which are included by a piston. The traditional sealing element is made of a butadiene-acrylonitrile rubber material, and the sealing element can lose effectiveness gradually due to long-term abrasion in the reciprocating action process of the piston, so that air is easily mixed between air pressure chambers, and the piston action is unsmooth.
Disclosure of Invention
The invention aims to provide a sealing element and a hot runner system, which aim to solve the technical problem that the sealing element in the prior art is gradually ineffective due to long-term abrasion in the reciprocating action process of a piston, so that air is easily mixed between air pressure chambers, and the piston action is not smooth.
In order to achieve the purpose, the invention adopts the technical scheme that:
in one aspect, the present invention provides a seal made of a metal material, the seal comprising:
a seal body, the seal body being annular;
the first stress part is arranged on the upper ring surface of the sealing element body and connected with the sealing element body, and at least one first U-shaped bevel opening is formed in the first stress part;
the second stress part is arranged on the lower annular surface of the sealing element body and connected with the sealing element body, and at least one second U-shaped bevel opening is formed in the second stress part;
the deformation extrusion part is arranged on the outer annular surface of the sealing element body and is connected with the sealing element body;
the U-shaped deformation groove is formed in the sealing element body, and the opening of the U-shaped deformation groove extends to the inner annular surface of the sealing element body.
According to the sealing element, the first U-shaped bevel opening and the second U-shaped bevel opening are arranged in a staggered mode, and the first U-shaped bevel opening is parallel to the second U-shaped bevel opening.
According to the sealing element, the number of the first U-shaped bevel openings is multiple, and the distance between any two adjacent first U-shaped bevel openings is equal;
the number of the second U-shaped bevel openings is multiple, and the distance between any two adjacent second U-shaped bevel openings is equal;
the distance between any two adjacent first U-shaped oblique openings is equal to that between any two adjacent second U-shaped oblique openings.
According to the sealing element, an included angle formed by the first U-shaped bevel opening and the upper ring surface of the sealing element body is 30-60 degrees;
and/or the included angle formed by the second U-shaped bevel opening and the lower annular surface of the sealing element body is 30-60 degrees.
According to the sealing element, the width of the first U-shaped bevel opening is 0.1-1 mm;
and/or the width of the second U-shaped bevel opening is 0.1 mm-1 mm.
According to the sealing element, the depth of the first U-shaped bevel opening is 1-3 mm;
and/or the width of the second U-shaped bevel opening is 1 mm-3 mm.
According to the sealing piece, the width of the U-shaped deformation groove is 0.5 mm-2 mm.
According to the sealing element, one side of the first force-bearing part, which is close to the deformation and extrusion part, is provided with a first chamfer part;
and/or a second chamfer part is arranged on one side of the second force-bearing part close to the deformation pressing part.
The seal according to the above, wherein the seal is made of a spring steel material.
On the other hand, the invention also provides a hot runner system, which comprises a cylinder body, an upper piston and a lower piston which are arranged in the cylinder body, and the sealing element, wherein the sealing element is arranged between the upper piston and the lower piston, and is in contact connection with the inner wall of the cylinder body, the upper piston and the lower piston.
The seal and the hot runner system provided by the invention have the beneficial effects that:
according to the sealing element and the hot runner system, the sealing element is made of metal materials, so that the wear resistance of the sealing element is effectively enhanced; the first U-shaped bevel opening and the second U-shaped bevel opening are arranged to stabilize the deformation direction when the upper piston and the lower piston apply pressure; the arranged U-shaped deformation groove is used as an elastic deformation space, after the upper piston and the lower piston apply pressure, the width of the U-shaped deformation groove is compressed, and the outer diameter of the whole sealing element is increased, so that the sealing element is more effectively attached to the inner wall of the cylinder body, the fit clearance between the sealing element and the inner wall of the cylinder body is further reduced, and air leakage is avoided; the hot runner system provided by the invention has the advantages of simple sealing element structure and low cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a sealing member according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a sealing member according to an embodiment of the present invention;
FIG. 3 is a third schematic structural view of a sealing member according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hot runner system according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. a seal member; 10. a seal body; 20. a first force receiving portion; 21. a first U-shaped bevel opening; 22. a first chamfered portion; 30. a second force receiving portion; 31. a second U-shaped bevel opening; 32. a second chamfered portion; 40. a deformation pressing part; 50. a U-shaped deformation groove; 200. a cylinder body; 300. an upper piston; 400. a lower piston; 1000. a hot runner system.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1, the present embodiment provides a sealing member 100, where the sealing member 100 is made of a metal material, and the sealing member 100 includes: a seal body 10, the seal body 10 being annular; the first stress part 20 is arranged on the upper annular surface of the sealing element body 10 and connected with the sealing element body 10, and at least one first U-shaped bevel opening 21 is arranged on the first stress part 20; the second stress part 30 is arranged on the lower annular surface of the sealing element body 10 and connected with the sealing element body 10, and at least one second U-shaped bevel opening 31 is arranged on the second stress part 30; a deformation extrusion part 40, wherein the deformation extrusion part 40 is arranged on the outer annular surface of the sealing element body 10 and is connected with the sealing element body 10; the U-shaped deformation groove 50 is disposed inside the sealing member body 10, and an opening of the U-shaped deformation groove 50 extends to an inner annular surface of the sealing member body 10.
The working principle of the sealing member 100 provided in the present embodiment is as follows:
the sealing element 100 provided by the embodiment is made of a metal material, and the wear resistance of the sealing element 100 is effectively enhanced by the metal material; meanwhile, in the present embodiment, the first force receiving portion 20 is provided with the first U-shaped bezel 21, the second force receiving portion 30 is provided with the second U-shaped bezel 31, and the first U-shaped bezel 21 and the second U-shaped bezel 31 can stabilize the deformation direction of the sealing member 100 when the upper piston 300 and the lower piston 400 apply pressure; this embodiment has still set up U-shaped deformation groove 50 inside sealing member body 10, U-shaped deformation groove 50 is as the elastic deformation space, after last piston 300, lower piston 400 exert pressure to first atress portion 20 and second atress portion 30, the width in U-shaped deformation groove 50 is compressed, the external diameter grow of whole sealing member 100 for the more effective laminating of extrusion portion 40 and cylinder body 200 inner wall warp, and then reduced sealing member 100 and cylinder body 200 inner wall fit clearance, avoided the gas leakage.
The seal 100 provided by the present embodiment has at least the following beneficial effects:
the sealing element 100 provided by the embodiment is made of a metal material, so that the wear resistance of the sealing element 100 is effectively enhanced; the first U-shaped bevel opening 21 and the second U-shaped bevel opening 31 are arranged to stabilize the deformation direction when the upper piston 300 and the lower piston 400 apply pressure; the arranged U-shaped deformation groove 50 is used as an elastic deformation space, when the upper piston 300 and the lower piston 400 apply pressure, the width of the U-shaped deformation groove 50 is compressed, the outer diameter of the whole sealing element 100 is increased, so that the sealing element 100 is more effectively attached to the inner wall of the cylinder body 200, the fit clearance between the sealing element 100 and the inner wall of the cylinder body 200 is further reduced, and air leakage is avoided; the sealing member 100 provided by the embodiment has a simple structure and low cost.
Optionally, the first force-receiving portion 20 is fixedly connected to the seal body 10. Optionally, the first force-receiving portion 20 is of an integral structure with the seal body 10.
Optionally, the second force-receiving part 30 is fixedly connected to the seal body 10. Optionally, the second force-receiving portion 30 is of an integral structure with the seal body 10.
Optionally, the deforming press 40 is fixedly connected to the sealing element body 10. Optionally, the deforming extrusion 40 is of an integral construction with the seal body 10.
In an embodiment, referring to fig. 1, the first U-shaped bezel 21 and the second U-shaped bezel 31 are disposed in a staggered arrangement, and the first U-shaped bezel 21 is parallel to the second U-shaped bezel 31. The first U-shaped bevel opening 21 and the second U-shaped bevel opening 31 are arranged in a staggered manner, the first U-shaped bevel opening 21 and the second U-shaped bevel opening 31 are arranged in parallel, and the opening directions of the first U-shaped bevel opening 21 and the second U-shaped bevel opening 31 extend in opposite directions, so that the deformation directions of the sealing element 100 are more stabilized when the upper piston 300 and the lower piston 400 apply pressure.
In one embodiment, please continue to refer to fig. 1, the number of the first U-shaped bezel 21 is multiple, and the distance between any two adjacent first U-shaped bezel 21 is equal; the number of the second U-shaped bevel mouths 31 is multiple, and the distance between any two adjacent second U-shaped bevel mouths 31 is equal; the distance between any two adjacent first U-shaped bevel mouths 21 is equal to the distance between any two adjacent second U-shaped bevel mouths 31. The sealing element 100 is provided with a plurality of first U-shaped inclined openings 21, the distance between every two adjacent first U-shaped inclined openings 21 is equal, a plurality of second U-shaped inclined openings 31 are further arranged, the distance between every two adjacent second U-shaped inclined openings 31 is equal, and the distance between every two adjacent first U-shaped inclined openings 21 is equal to the distance between every two adjacent second U-shaped inclined openings 31, so that the stress deformation of the sealing element 100 is more uniform when the upper piston 300 and the lower piston 400 apply pressure, and the stress deformation direction of the sealing element 100 is more stabilized.
In one embodiment, referring to fig. 2, an included angle α formed between the first U-shaped bevel 21 and the upper annular surface of the sealing member body 10 is 30 ° to 60 °.
Optionally, the angle α formed by the first U-shaped bezel 21 and the upper annular surface of the sealing member body 10 is 30 °.
Optionally, the angle α formed by the first U-shaped bezel 21 and the upper annular surface of the sealing member body 10 is 45 °.
Optionally, the angle α formed by the first U-shaped bezel 21 and the upper annular surface of the sealing member body 10 is 60 °.
It should be understood that the angle α formed by the first U-shaped bevel 21 and the upper annular surface of the seal body 10 is not limited to the above, and other conditions can be adopted, and is not limited herein.
In one embodiment, referring to fig. 2, an included angle β between the second U-shaped bevel 31 and the lower annular surface of the sealing member body 10 is 30 ° to 60 °.
Optionally, the angle β formed by the second U-shaped bevel 31 and the lower annular surface of the sealing element body 10 is 30 °.
Optionally, the included angle β formed by the second U-shaped bevel 31 and the lower annular surface of the sealing member body 10 is 45 °.
Optionally, the included angle β formed by the second U-shaped bevel 31 and the lower annular surface of the sealing member body 10 is 60 °.
It should be understood that the size of the included angle β formed by the second U-shaped bevel 31 and the lower annular surface of the seal body 10 is not limited to the above case, and other cases are also possible, and are not limited herein.
In one embodiment, referring to fig. 2, the width m1 of the first U-shaped bezel 21 is 0.1mm to 1 mm.
Optionally, the width m1 of the first U-shaped bezel 21 is 0.1 mm.
Optionally, the width m1 of the first U-shaped bezel 21 is 0.5 mm.
Optionally, the width m1 of the first U-shaped bezel 21 is 1 mm.
It should be understood that the width m1 of the first U-shaped bezel 21 is not limited to the above value, and may be other situations, which are not limited herein.
In one embodiment, referring to fig. 2, the width m2 of the second U-shaped bezel 31 is 0.1mm to 1 mm.
Optionally, the width m2 of the second U-shaped bezel 31 is 0.1 mm.
Optionally, the width m2 of the second U-shaped bezel 31 is 0.5 mm.
Optionally, the width m2 of the second U-shaped bezel 31 is 1 mm.
It should be understood that the width m2 of the second U-shaped bezel 31 is not limited to the above value, and may be other situations, which are not limited herein.
In one embodiment, referring to fig. 2, the depth h1 of the first U-shaped bezel 21 is 1mm to 3 mm.
Optionally, the depth h1 of the first U-shaped bezel 21 is 1 mm.
Optionally, the depth h1 of the first U-shaped bezel 21 is 2 mm.
Optionally, the depth h1 of the first U-shaped bezel 21 is 3 mm.
It should be understood that the depth h1 of the first U-shaped bezel 21 is not limited to the above value, and other situations are possible, and is not limited herein.
In one embodiment, referring to fig. 2, the width h2 of the second U-shaped bezel 31 is 1mm to 3 mm.
Optionally, the width h2 of the second U-shaped bezel 31 is 1 mm.
Optionally, the width h2 of the second U-shaped bezel 31 is 2 mm.
Optionally, the width h2 of the second U-shaped bezel 31 is 3 mm.
It should be understood that the width h2 of the second U-shaped bezel 31 is not limited to the above value, and other situations are possible, and is not limited herein.
In one embodiment, referring to fig. 3, the length n1 of the first U-shaped bevel 21 is not greater than the width of the upper annular surface of the seal body 10, and the length of the second U-shaped bevel 31 is not greater than the width of the lower annular surface of the seal body 10.
Optionally, the length n1 of the first U-shaped bezel 21 is equal to the width of the upper annular surface of the seal body 10, and the length of the second U-shaped bezel 31 is equal to the width of the lower annular surface of the seal body 10. It should be understood that the length n1 of the first U-shaped bezel 21 and the length of the second U-shaped bezel 31 may vary as the upper and lower annular surfaces vary.
In one embodiment, referring to fig. 2, the width L of the U-shaped deformation groove 50 is 0.5mm to 2 mm.
Optionally, the width L of the U-shaped deformation groove 50 is 0.5 mm.
Optionally, the width L of the U-shaped deformation groove 50 is 1 mm.
Optionally, the width L of the U-shaped deformation groove 50 is 1.5 mm.
Optionally, the width L of the U-shaped deformation groove 50 is 2 mm.
It should be understood that the width L of the U-shaped deformation groove 50 is not limited to the above value, and may be other situations, and is not limited herein.
In one embodiment, referring to fig. 1 and fig. 2, a first chamfer 22 is provided on a side of the first force-receiving portion 20 close to the deformation pressing portion 40; a second chamfer 32 is arranged on one side of the second force-bearing part 30 close to the deformation pressing part 40.
In one embodiment, the seal 100 is made of a spring steel material.
Referring to fig. 4, the present embodiment further provides a hot runner system 1000, which includes a cylinder 200, an upper piston 300 and a lower piston 400 disposed in the cylinder 200, and the sealing member 100, wherein the sealing member 100 is disposed between the upper piston 300 and the lower piston 400, and the sealing member 100 is in contact connection with an inner wall of the cylinder 200, the upper piston 300, and the lower piston 400. Since the structure of the sealing member 100 has been described in detail above, it is not described in detail here.
In summary, the present embodiment provides a sealing element 100, where the sealing element 100 is made of a metal material, and the sealing element 100 includes: a seal body 10, the seal body 10 being annular; the first stress part 20 is arranged on the upper annular surface of the sealing element body 10 and connected with the sealing element body 10, and at least one first U-shaped bevel opening 21 is arranged on the first stress part 20; the second stress part 30 is arranged on the lower annular surface of the sealing element body 10 and connected with the sealing element body 10, and at least one second U-shaped bevel opening 31 is arranged on the second stress part 30; a deformation extrusion part 40, wherein the deformation extrusion part 40 is arranged on the outer annular surface of the sealing element body 10 and is connected with the sealing element body 10; the U-shaped deformation groove 50 is disposed inside the sealing member body 10, and an opening of the U-shaped deformation groove 50 extends to an inner annular surface of the sealing member body 10. The present embodiment further provides a hot runner system 1000, which includes a cylinder 200, and an upper piston 300 and a lower piston 400 disposed in the cylinder 200, and further includes the sealing member 100 described above, where the sealing member 100 is disposed between the upper piston 300 and the lower piston 400, and the sealing member 100 is in contact connection with the inner wall of the cylinder 200, the upper piston 300, and the lower piston 400. The seal 100 and the hot runner system 1000 provided by the embodiment are made of metal materials, so that the wear resistance of the seal 100 is effectively enhanced; the first U-shaped bevel opening 21 and the second U-shaped bevel opening 31 are arranged to stabilize the deformation direction when the upper piston 300 and the lower piston 400 apply pressure; the arranged U-shaped deformation groove 50 is used as an elastic deformation space, when the upper piston 300 and the lower piston 400 apply pressure, the width of the U-shaped deformation groove 50 is compressed, the outer diameter of the whole sealing element 100 is increased, so that the sealing element 100 is more effectively attached to the inner wall of the cylinder body 200, the fit clearance between the sealing element 100 and the inner wall of the cylinder body 200 is further reduced, and air leakage is avoided; the sealing member 100 provided by the embodiment has a simple structure and low cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A seal, characterized in that it is made of a metallic material, comprising:
a seal body, the seal body being annular;
the first stress part is arranged on the upper ring surface of the sealing element body and connected with the sealing element body, and at least one first U-shaped bevel opening is formed in the first stress part;
the second stress part is arranged on the lower annular surface of the sealing element body and connected with the sealing element body, and at least one second U-shaped bevel opening is formed in the second stress part;
the deformation extrusion part is arranged on the outer annular surface of the sealing element body and is connected with the sealing element body;
the U-shaped deformation groove is formed in the sealing element body, and the opening of the U-shaped deformation groove extends to the inner annular surface of the sealing element body.
2. The sealing member of claim 1, wherein the first U-shaped bezel and the second U-shaped bezel are disposed in a staggered arrangement, and the first U-shaped bezel and the second U-shaped bezel are parallel.
3. The sealing member according to claim 1 or 2, wherein the number of the first U-shaped bevels is plural, and the distance between any two adjacent first U-shaped bevels is equal;
the number of the second U-shaped bevel openings is multiple, and the distance between any two adjacent second U-shaped bevel openings is equal;
the distance between any two adjacent first U-shaped oblique openings is equal to that between any two adjacent second U-shaped oblique openings.
4. The seal of claim 1, wherein the first U-shaped bezel includes an angle of 30 ° to 60 ° with the upper annular surface of the seal body;
and/or the included angle formed by the second U-shaped bevel opening and the lower annular surface of the sealing element body is 30-60 degrees.
5. The seal of claim 1, wherein the width of the first U-shaped bezel is 0.1mm to 1 mm;
and/or the width of the second U-shaped bevel opening is 0.1 mm-1 mm.
6. The seal of claim 1, wherein the first U-shaped bezel has a depth of 1mm to 3 mm;
and/or the width of the second U-shaped bevel opening is 1 mm-3 mm.
7. The seal of claim 1, wherein the U-shaped groove has a width of 0.5mm to 2 mm.
8. The seal according to claim 1, wherein a side of the first force-receiving portion adjacent to the deformation-pressing portion is provided with a first chamfered portion;
and/or a second chamfer part is arranged on one side of the second force-bearing part close to the deformation pressing part.
9. The seal of claim 1, wherein the seal is made of a spring steel material.
10. A hot runner system comprising a cylinder and upper and lower pistons disposed therein, and a seal according to any one of claims 1 to 9 disposed between the upper and lower pistons and in contact with the inner wall of the cylinder, the upper piston and the lower piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250443.2A CN113864283A (en) | 2021-10-26 | 2021-10-26 | Sealing member and hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250443.2A CN113864283A (en) | 2021-10-26 | 2021-10-26 | Sealing member and hot runner system |
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| Publication Number | Publication Date |
|---|---|
| CN113864283A true CN113864283A (en) | 2021-12-31 |
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| CN202111250443.2A Pending CN113864283A (en) | 2021-10-26 | 2021-10-26 | Sealing member and hot runner system |
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| EP1420161A1 (en) * | 2002-11-18 | 2004-05-19 | Wärtsilä Schweiz AG | Metallic sealing ring, as well as a pressure accumulator for a common-rail system with such a sealing ring |
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| CN109826954A (en) * | 2019-01-31 | 2019-05-31 | 广东汉能薄膜太阳能有限公司 | A kind of sealing element and laminate mechanism |
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| CN216199453U (en) * | 2021-10-26 | 2022-04-05 | 广东柳道热流道系统有限公司 | Sealing member and hot runner system |
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2021
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