CN113464652A - Plastic part sealing structure and processing method - Google Patents
Plastic part sealing structure and processing method Download PDFInfo
- Publication number
- CN113464652A CN113464652A CN202110901269.7A CN202110901269A CN113464652A CN 113464652 A CN113464652 A CN 113464652A CN 202110901269 A CN202110901269 A CN 202110901269A CN 113464652 A CN113464652 A CN 113464652A
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- Prior art keywords
- sealing
- structural member
- fixing portion
- structural
- groove
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- 238000007789 sealing Methods 0.000 title claims abstract 54
- 238000003672 processing method Methods 0.000 title 1
- 238000001746 injection moulding Methods 0.000 claims abstract 6
- 238000000034 method Methods 0.000 claims abstract 3
- 238000003825 pressing Methods 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract 1
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Classifications
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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
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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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
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
- F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
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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
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- 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
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/108—Special methods for making a non-metallic packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic part sealing structure which comprises a first structural part and a second structural part, wherein a first connecting part corresponding to a sealing position is arranged on the first structural part, and a sealing element is formed on the first connecting part through secondary injection molding; the sealing piece is formed on the first connecting portion of the first structural piece in a secondary injection molding mode, so that the sealing piece can be firmly connected with the first structural piece, the sealing piece cannot fall off from the first structural piece, when the first structural piece is matched with the second structural piece, compared with the prior art that the sealing piece is used for sealing, the sealing stability is high, the sealing piece does not need to be manufactured and assembled independently, and machining procedures are reduced.
Description
Technical Field
The invention relates to the technical field of plastic part sealing, in particular to a plastic part sealing structure and a processing method.
Background
The plastic part is processed by plastic materials, and can be processed by injection molding through an injection molding process. In the assembly process of the plastic part, a corresponding sealing structure is required to be arranged sometimes to realize the dustproof or waterproof of a product. In the prior art, when two structural members are assembled, if a sealing effect is to be achieved, a sealing ring is generally arranged at a connection position of the two structural members, and then the connection positions of the two structural members respectively abut against the sealing ring, so that the sealing effect is achieved. In the above sealing mode, if the pressure of the two structural members on the sealing ring is too large, the sealing ring is easy to burst and deform, so that the product is leaked or the sealing ring falls off to cause poor sealing stability, and a special die is required to be arranged to process the sealing ring for independent assembly, so that the process is relatively complex.
Disclosure of Invention
In view of this, the invention discloses a plastic part sealing structure, which is provided with a sealing element integrally formed with a structural part, can improve the sealing stability and is convenient to assemble.
The invention discloses a plastic part sealing structure, which comprises:
the sealing device comprises a first structural member, a second structural member and a sealing component, wherein a first connecting part corresponding to a sealing position is arranged on the first structural member, and a sealing element is formed on the first connecting part through secondary injection molding;
and the second connecting part is provided with a pressing part matched with the sealing element.
Further, the sealing element comprises a fixing portion and a sealing portion, the fixing portion is fixedly connected with the first connecting portion, the first end of the sealing portion is connected with the fixing portion, and the pressing portion is matched with the second end of the sealing portion.
Further, the sealing member is of a linear structure or an annular structure.
Furthermore, the first end of the sealing part is connected with the fixing part, the second end of the sealing part is bent towards one side by a certain angle and is parallel or approximately parallel to the fixing part, and the pressing part presses the second end of the sealing part.
Furthermore, the first connecting portion comprises a sealing groove, the fixing portion is connected with the edge of the sealing groove, the sealing portion is located on the outer side of the sealing groove, one end, far away from the sealing portion, of the fixing portion extends to form a groove-shaped sealing portion, and the groove-shaped sealing portion is attached to the inner wall of the sealing groove.
Furthermore, the first end of the sealing part is connected with the fixing part, and the second end of the sealing part is bent to one side for a certain angle to form an arc-shaped structure.
Furthermore, the first connecting portion is a through hole, the fixing portion penetrates through the through hole and is attached to the inner wall of the through hole, the first end of the sealing portion is connected with the fixing portion, and the second end of the sealing portion bends to the outer side of the through hole by a certain angle and is arranged in a suspending mode.
Further, one of the seals may be distributed on one or more faces of the first structural member.
The invention also discloses a processing method of the plastic part sealing structure, which comprises the sealing structure, and the method comprises the following steps:
performing injection molding on the first structural component through a first injection mold, wherein the first structural component is made of hard plastic materials through injection molding;
performing secondary injection molding on the first structural member after the primary molding through a second injection mold, and forming a sealing element on the first structural member;
the first structural member is matched with a pressing part on the second structural member through the sealing element to realize the sealing of the first structural member and the second structural member.
Further, the sealing element comprises a fixing part and a sealing part, the fixing part is connected with the first structural member, the first end of the sealing part is connected with the fixing part, and the second end of the sealing part is bent to one side by a certain angle; the pressing part of the second structural member is matched with the second end of the sealing part, so that the first structural member and the second structural member are sealed.
Compared with the prior art, the technical scheme disclosed by the invention has the beneficial effects that:
the sealing member is formed by injection molding on the first connection portion of the first structural member, so that the sealing member is firmly connected with the first structural member, the sealing member does not fall off from the first structural member, and when the first structural member is matched with the second structural member, compared with the prior art in which sealing is performed by using a sealing ring, the sealing stability is stronger, and the sealing ring does not need to be manufactured and assembled separately, thereby reducing the processing procedures.
Drawings
FIG. 1 is a schematic view of a split design of a first structural member and a second structural member;
FIG. 2 is a schematic view of a hinged design of a first structural member and a second structural member;
FIG. 3 is a schematic view of the bottom lid and the dust storage bin hinged together;
FIG. 4 is a schematic view of the bottom cap as a first structural member with an annular seal provided;
FIG. 5 is a schematic view of the dust storage bin as a first structural member and with a linear seal provided;
FIG. 6 is a schematic view of the second end of the sealing portion being bent to the outside of the sealed space;
fig. 7 is a schematic view when the second end of the sealing part is bent toward the inside of the sealed space;
FIG. 8 is a schematic view of a seal provided with a groove-type seal portion;
FIG. 9 is a schematic view of the seal when the through-hole is provided;
FIG. 10 is a schematic view of a seal disposed on a different plane;
FIG. 11 is a schematic view of a method for manufacturing a sealing structure of a plastic part;
description of the figures
100. A sealing structure; 10. a first structural member; 11. a first connection portion; 12. a seal member; 121. a fixed part; 122. a sealing part; 1221. a first end; 1222. a second end; 123. a groove-shaped sealing part; 124. sealing the protrusion; 13. a sealing groove; 14. a through hole; 20. a second structural member; 21. a second connecting portion; 22. a press-fit portion; 30. a bottom cover; 40. a dust storage box.
Detailed Description
When one component is considered to be "connected" to another component, it can be directly connected to the other component, or intervening components may be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the present invention discloses a sealing structure 100 for plastic parts, which is suitable for sealing and connecting plastic parts. The sealing structure 100 includes at least a first structural member 10 and a second structural member 20, and the first structural member 10 and the second structural member 20 can be connected in a sealing manner.
The first structural member 10 and the second structural member 20 are designed to be separable or movably connected. When the first structural member 10 and the second structural member 20 are designed in a separated manner, the first structural member 10 and the second structural member 20 can be connected to different mechanisms respectively, and when the two mechanisms need to be matched, the first structural member 10 is in contact with the second structural member 20 and is in sealing fit at the connecting position, so that a waterproof or dustproof effect is achieved; when the first structural member 10 is movably connected with the second structural member 20, the first structural member 10 and the second structural member 20 may be hinged, that is, one end of the first structural member 10 and one end of the second structural member 20 are rotatably connected through a rotating shaft, and when the first structural member 10 and the second structural member 20 are rotated to a certain position, the connection position of the first structural member 10 and the second structural member 20 may be in sealing fit through the sealing structure.
In one embodiment of the present application, the first structural member 10 and the second structural member 20 are rotatably connected through a rotating shaft, and after the first structural member 10 and the second structural member 20 are assembled, at least one sealing structure is disposed at a corresponding position of the connection to realize 1 sealing of the corresponding structural position. As shown in fig. 3, in the present application, the first structural member 0 and the second structural member 20 take a dust box on a sweeping robot as an example, the first structural member 10 is a bottom cover 30 or a dust storage box 40 of the dust box, and the first structural member 10 may be a connector that is matched with the bottom cover 30 or the dust storage box 40, and may be rotatably connected with the bottom cover 30 or the dust storage box 40. Also in the present application, when the first structural member 10 is the bottom cover 30, the second structural member 20 may be a dust box 40; when the first structural member 10 is a dust storage box 40, the second structural member 20 can be a bottom cover 30 or a top cover of the dust storage box.
Further, a first connecting portion 11 located at a sealing position is disposed on the first structural member 10, a second connecting portion 21 located at a sealing position is disposed on the second structural member 20, and the first connecting portion 11 and the second connecting portion 21 are respectively connecting positions for sealing corresponding positions when the first structural member 10 is connected with the second structural member 20, that is, when the first structural member 10 and the second structural member 20 are connected in a mutually matched manner, the first connecting portion 11 corresponds to the second connecting portion 21. The first connecting portion 11 may be provided with a sealing member 12, the second connecting portion 21 is provided with a pressing portion 22, when the first structural member 10 and the second structural member 20 need to be sealed, the pressing portion 22 presses the sealing member 12 to seal the corresponding positions of the first connecting portion 11 and the second connecting portion 21, so as to achieve the waterproof or dustproof effect.
Further, the first structural member 10 and the second structural member 20 are made of a hard plastic material, the first structural member 10 and the second structural member 20 can be processed in an injection molding manner, and in the present application, the first structural member 10 and the second structural member 20 are injection molded from an ABS material. The sealing element 12 is a soft rubber element and can deform after being stressed. The sealing element 12 and the first connection 11 on the first structural part 10 can be formed by two-shot molding, so that the sealing element 12 and the first structural part 10 are integrally formed. In the present application, the seal 12 is made of a TPE material. After the first structural member 10 is processed and formed in an injection molding mode, the first structural member 10 is subjected to secondary injection molding through a secondary injection mold, and the sealing member 12 formed by soft glue is formed on the first structural member 10. The pressing portion 22 is a structure disposed on the second structural member 20 and matched with the sealing member 12, and the pressing portion 22 may be integrally formed when the second structural member 20 is injection molded. The pressing portion 22 may be a table-type protrusion, a tooth-shaped protrusion, a pressing plane or other structures capable of sealing and matching with the sealing member 12, which are disposed on the second connecting portion 21.
When the first structural member 10 needs to be matched with the second structural member 20, the first structural member 10 and the second structural member 20 move to corresponding positions, so that the first connecting portion 11 and the second connecting portion 21 correspond in position, and then the pressing portion 22 starts to press the sealing member 12, so that sealing of the corresponding positions is realized. And when the first structural member 10 and the second structural member 20 are corresponding parts on a dust box of the sweeping robot, during operation, corresponding mechanisms need to pump negative pressure inside the dust box, and at this time, the interaction force between the first structural member 10 and the second structural member 20 is larger, so that the pressing part 22 and the sealing element 12 are connected more tightly, and the sealing effect is better.
With reference to fig. 4, in particular, the sealing member 12 includes a fixing portion 121 and a sealing portion 122, and the fixing portion 121 is fixedly connected to the first connecting portion 11. When the second injection molding is performed through the injection molding process, the fixing portion 121 is integrally formed with the first connecting portion 11, so that the first structural member 10 and the sealing member 12 are more firmly connected. The first end 1221 of the sealing portion 122 is connected to the fixing portion 121, and the second end 1222 of the sealing portion 122 is engaged with the pressing portion 22. That is, the pressing portion 22 can press the second end 1222 of the sealing portion 122, so as to realize the gapless fit between the pressing portion 22 and the second end 1222 of the sealing portion 122, and realize the sealing fit between the pressing portion 22 and the sealing member 12.
The shape of the sealing member 12 needs to be set according to the shapes of the first connecting portion 11 and the second connecting portion 21, that is, according to the contour of the position where sealing is needed. The shape of the nip 22 may be configured according to the shape of the seal member 12 such that the nip 22 is capable of mating with the seal member 12. In the present application, the seal member 12 and the press fit portion 22 are shaped in a linear configuration or an annular configuration. As shown in fig. 5, the linear structure may be a straight line or a curved line, that is, the sealing member 12 does not form a closed loop, and the sealing member 12 of the linear structure is mostly used at the edge position where the first structural member 10 and the second structural member 20 are engaged. As shown in fig. 4, when the sealing member 12 is a ring-shaped structure, the sealing member 12 may be connected end to form a closed loop, and the sealing member 12 of the ring-shaped structure is used at an inner position where the first structural member 10 and the second structural member 20 are engaged or an edge position where the first structural member 10 and the second structural member 20 are engaged.
With continued reference to fig. 6 and 7, in the present application, the first end 1221 of the sealing portion 122 is connected to the fixing portion 121, the second end 1222 of the sealing portion 122 is bent to a side by a certain angle, and a space is formed between the second end 1222 of the sealing portion 122 and the fixing portion 121. At this time, when the pressing portion 22 presses the second end 1222 of the sealing portion 122, the second end 1222 of the sealing portion 122 is deformed, so that the pressing portion 22 is in sealing engagement with the second end 1222 of the sealing portion 122.
The second end 1222 of the sealing portion 122 may be bent inward or outward, that is, the second end 1222 of the sealing portion 122 may be bent inward or outward at a certain angle, and may also be bent outward or inward at a certain angle, according to actual requirements.
Referring back to fig. 4, in an embodiment, the fixing portion 121 is integrally formed and fixed with the first connecting portion 11, and an upper surface of the fixing portion 121 is a plane. The second end 1222 of the sealing part 122 is bent toward the outside of the sealing space M with respect to the first end 1221 of the sealing part 122 such that the outer surface of the second end 1222 of the sealing part 122 is located on one plane, and when the sealing part 122 is not pressed, the second end 1222 of the sealing part 122 may be parallel or substantially parallel to the upper surface of the fixing part 121. When the pressing portion 22 presses the second end 1222 of the sealing portion 122, sealing is achieved. In this embodiment, the pressing portion 22 may be a pressing plane, and the pressing plane cooperates with an outer surface of the second end 1222 of the sealing portion 122 to achieve sealing.
As shown in fig. 8, in another embodiment, the fixing portion 121 and the first connecting portion 11 are integrally formed and fixedly disposed, and the second end 1222 of the sealing portion 122 is bent toward the outside of the sealing space M relative to the first end 1221 of the sealing portion 122 to form an arc-shaped structure, in this embodiment, the second end 1222 of the sealing portion 122 may be an arc-shaped surface, a certain space is provided between the second end 1222 of the sealing portion 122 and the fixing portion 121, when the pressing portion 22 presses the second end 1222 of the sealing portion 122, the pressing portion 22 may drive the sealing portion 122 to deform, a distance between the bottom end of the sealing portion 122 and the fixing portion 121 becomes smaller, and a seal between the pressing portion 22 and the sealing member 12 is achieved.
As shown in fig. 5 and 8, in the present application, the first connecting portion 11 may also include a sealing groove 13, that is, the first structural component 10 and the second structural component 20 are matched, and the sealing groove 13 needs to be sealed. At this time, the fixing portion 121 is located at an opening edge of the sealing groove 13, and the sealing portion 122 is located at an outer side of the sealing groove 13, so that when the first structural member 10 is engaged with the second structural member 20, the engaging portion 22 of the second structural member 20 can seal the opening of the sealing groove 13 through the sealing portion 122. Further, one end of the fixing portion 121, which is far away from the sealing portion 122, extends into the sealing groove 13 to form a groove-shaped sealing portion 123, the groove-shaped sealing portion 123 corresponds to the shape of the sealing groove 13, the groove-shaped sealing portion 123 is attached to the inner wall of the sealing groove 13, and the first structural member 10 is provided with a corresponding sealing structure to be matched with the groove-shaped sealing portion 123, so as to further seal the sealing groove 13.
As shown in fig. 9, in the present application, the first connecting portion 11 may also be a through hole 14, and the pressing portion 22 seals the through hole 14 through the sealing portion 122. Specifically, the fixing portion 121 penetrates through the through hole 14 and is attached to the inner wall of the through hole 14, the first end 1221 of the sealing portion 122 is connected to the fixing portion 121, and the second end 1222 of the sealing portion 122 is bent outward by a certain angle and is suspended. When the pressing portion 22 presses the second end 1222 of the sealing portion 122, it can be attached to the sealing portion 122 to seal one end of the through hole 14. The second end 1222 of the sealing portion 122 is also deformed by the force. In this embodiment, one end of the fixing portion 121 away from the sealing portion 122 passes through the through hole 14, one end of the fixing portion 121 away from the sealing portion 122 is provided with a sealing protrusion 124, and the sealing portion 122 improves the fitting degree with the through hole 14 through the sealing protrusion 124, so as to prevent the fixing portion 22 from easily separating from the through hole 14.
One of the seals 12 may be distributed on one or more faces of the first structural element 10, each of which faces is provided with a portion of the seal 12 when the seal is located on multiple faces of the first structural element 10. As shown in fig. 10, in the present application, one of the sealing members 12 is distributed on two planes of the first structural member 10, where a portion of the first connecting portion 11 corresponding to the sealing member 12 is located on one plane, and another portion of the first connecting portion 11 is located on the other plane, and the two planes intersect with each other with a certain angle therebetween. The second connecting portion 21 may be located on two planes in order to mate the second connecting portion 21 with the first connecting portion 11. The sealing members 12 are then disposed on two planes corresponding to the first connection portions 11 by means of two-shot molding. When the positions to be sealed are distributed on two planes, if the sealing is carried out through a separate sealing ring, the assembly of the sealing ring is not facilitated.
As shown in fig. 11, the present invention further discloses a processing method of a plastic part sealing structure, for processing the plastic part sealing structure, the processing method includes the following steps:
s1, performing injection molding on the first structural member through a first injection mold, wherein the first structural member is made of hard plastic materials through injection molding;
s2, performing secondary injection molding on the first structural member after the primary molding through a second injection mold, and forming a sealing element on the first structural member;
and S3, the first structural member is matched with the pressing part on the second structural member through the sealing element to realize the sealing of the first structural member and the second structural member.
Specifically, the first structural member and the second structural member are processed by an injection mold through an injection molding process, the first structural member and the second structural member can be assembled on corresponding mechanisms respectively, the first structural member and the second structural member have corresponding assembling relations, and when the first structural member and the second structural member are assembled, the sealing of corresponding sealing spaces can be achieved through the sealing structure.
Further, the sealing element comprises a fixing part and a sealing part, the fixing part is connected with the first structural member, the first end of the sealing part is connected with the fixing part, and the second end of the sealing part is bent to one side by a certain angle; the pressing part of the second structural member is matched with the second end of the sealing part, so that the first structural member and the second structural member are sealed.
Further, the pressing part is matched with the sealing element to seal the corresponding space, so that a sealed space is formed. The second end of the sealing portion may be bent toward the inside of the sealed space or may be bent toward the outside of the sealed space.
The pressing part is in gapless fit with the second end of the sealing part by pressing the second end of the sealing part, so that the sealing of the sealing space is realized. The second end of sealing part with have certain buffering space between the fixed part, work as the nip portion presses and holds the second of sealing part is held, can drive the second of sealing part is held and is taken place deformation, cushions, can prevent the sealing member atress takes place to burst, has promoted sealed effect and stability.
Furthermore, the sealing elements are distributed on the first structural member, one sealing element can be distributed on different planes of the first structural member and is fixedly connected with the first structural member in a secondary injection molding mode, and compared with sealing rings arranged on different planes, the sealing rings are more firmly fixed and more stable to match with the second structural member.
The shape of the sealing element corresponds to that of the first connecting part, the first connecting part can be one structure or a combination of a plurality of structures in a surface, a groove and a hole, and the sealing element is matched with the pressing part to seal the structures.
The present invention may be embodied in many different forms and modifications without departing from the spirit and scope of the present invention, and the above-described embodiments are intended to illustrate the present invention but not to limit the scope of the present invention.
Claims (10)
1. A plastic part sealing structure, comprising:
the sealing device comprises a first structural member, a second structural member and a sealing component, wherein a first connecting part corresponding to a sealing position is arranged on the first structural member, and a sealing element is formed on the first connecting part through secondary injection molding;
and the second connecting part is provided with a pressing part matched with the sealing element.
2. A plastic part sealing structure according to claim 1, wherein said sealing member comprises a fixing portion and a sealing portion, said fixing portion is fixedly connected to said first connecting portion, a first end of said sealing portion is connected to said fixing portion, and said press-fit portion is engaged with a second end of said sealing portion.
3. A plastic part sealing structure according to claim 2, wherein said sealing member is a linear structure or an annular structure.
4. A sealing structure of plastic parts according to claim 3, wherein a first end of said sealing portion is connected to said fixing portion, a second end of said sealing portion is bent to a side at an angle parallel or substantially parallel to said fixing portion, and said pressing portion presses said second end of said sealing portion.
5. The sealing structure of claim 4, wherein the first connecting portion comprises a sealing groove, the fixing portion is connected to an edge of the sealing groove, the sealing portion is located outside the sealing groove, an end of the fixing portion away from the sealing portion extends to form a groove-shaped sealing portion, and the groove-shaped sealing portion is attached to an inner wall of the sealing groove.
6. A sealing structure for a plastic part according to claim 3, wherein a first end of said sealing portion is connected to said fixing portion, and a second end of said sealing portion is bent to a side at a certain angle to form an arc structure.
7. The sealing structure of claim 3, wherein the first connecting portion is a through hole, the fixing portion penetrates the through hole and is attached to an inner wall of the through hole, a first end of the sealing portion is connected to the fixing portion, and a second end of the sealing portion is bent to an outer side of the through hole by a certain angle and is suspended.
8. A plastic part sealing arrangement according to claim 1, wherein one said sealing member is distributed on one or more faces of said first structural member.
9. A method of manufacturing a sealing structure for a plastic part, comprising the sealing structure according to any one of claims 1 to 8, the method comprising the steps of:
performing injection molding on the first structural component through a first injection mold, wherein the first structural component is made of hard plastic materials through injection molding;
performing secondary injection molding on the first structural member after the primary molding through a second injection mold, and forming a sealing element on the first structural member;
the first structural member is matched with a pressing part on the second structural member through the sealing element to realize the sealing of the first structural member and the second structural member.
10. A method for sealing a plastic part according to claim 9, wherein the sealing member comprises a fixing portion connected to the first structural member and a sealing portion having a first end connected to the fixing portion and a second end bent at a certain angle to one side; the pressing part of the second structural member is matched with the second end of the sealing part, so that the first structural member and the second structural member are sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110901269.7A CN113464652A (en) | 2021-08-06 | 2021-08-06 | Plastic part sealing structure and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110901269.7A CN113464652A (en) | 2021-08-06 | 2021-08-06 | Plastic part sealing structure and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113464652A true CN113464652A (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110901269.7A Pending CN113464652A (en) | 2021-08-06 | 2021-08-06 | Plastic part sealing structure and processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114224254A (en) * | 2021-12-23 | 2022-03-25 | 尚科宁家(中国)科技有限公司 | Cleaning device reliable to use |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026309A (en) * | 2002-09-24 | 2004-03-31 | 삼성광주전자 주식회사 | Sealing structure for wet-dry vacuum cleaner |
| CN203555606U (en) * | 2013-10-15 | 2014-04-23 | 美的集团股份有限公司 | Exhaust sealing ring, cooker cover and electric pressure cooker |
| CN104114457A (en) * | 2012-02-24 | 2014-10-22 | 株式会社堡垒国际服务公司 | Rubber seal for vacuum receptacle and lid for the receptacle using the same |
| CN105422852A (en) * | 2015-11-19 | 2016-03-23 | 珠海格力电器股份有限公司 | Sealing structure and air door assembly |
| JP2016214770A (en) * | 2015-05-26 | 2016-12-22 | ヒルソン・デック株式会社 | High pressure steam sterilizer |
| CN207428979U (en) * | 2017-04-28 | 2018-06-01 | 浙江苏泊尔家电制造有限公司 | Sealing element, cover and cooking apparatus |
| CN207790547U (en) * | 2018-01-11 | 2018-08-31 | 江苏金美尚车业有限公司 | It is a kind of decoration, sealing plastic plug |
| CN211252805U (en) * | 2019-12-31 | 2020-08-14 | 河南亿元密封科技有限公司 | New energy automobile flap that charges with sealed function |
| CN112690699A (en) * | 2020-12-31 | 2021-04-23 | 珠海格力电器股份有限公司 | Dust collecting device and dust collector |
-
2021
- 2021-08-06 CN CN202110901269.7A patent/CN113464652A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026309A (en) * | 2002-09-24 | 2004-03-31 | 삼성광주전자 주식회사 | Sealing structure for wet-dry vacuum cleaner |
| CN104114457A (en) * | 2012-02-24 | 2014-10-22 | 株式会社堡垒国际服务公司 | Rubber seal for vacuum receptacle and lid for the receptacle using the same |
| CN203555606U (en) * | 2013-10-15 | 2014-04-23 | 美的集团股份有限公司 | Exhaust sealing ring, cooker cover and electric pressure cooker |
| JP2016214770A (en) * | 2015-05-26 | 2016-12-22 | ヒルソン・デック株式会社 | High pressure steam sterilizer |
| CN105422852A (en) * | 2015-11-19 | 2016-03-23 | 珠海格力电器股份有限公司 | Sealing structure and air door assembly |
| CN207428979U (en) * | 2017-04-28 | 2018-06-01 | 浙江苏泊尔家电制造有限公司 | Sealing element, cover and cooking apparatus |
| CN207790547U (en) * | 2018-01-11 | 2018-08-31 | 江苏金美尚车业有限公司 | It is a kind of decoration, sealing plastic plug |
| CN211252805U (en) * | 2019-12-31 | 2020-08-14 | 河南亿元密封科技有限公司 | New energy automobile flap that charges with sealed function |
| CN112690699A (en) * | 2020-12-31 | 2021-04-23 | 珠海格力电器股份有限公司 | Dust collecting device and dust collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114224254A (en) * | 2021-12-23 | 2022-03-25 | 尚科宁家(中国)科技有限公司 | Cleaning device reliable to use |
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