CN117400548A - Air bag seam allowance buckling tool - Google Patents

Air bag seam allowance buckling tool Download PDF

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Publication number
CN117400548A
CN117400548A CN202311400496.7A CN202311400496A CN117400548A CN 117400548 A CN117400548 A CN 117400548A CN 202311400496 A CN202311400496 A CN 202311400496A CN 117400548 A CN117400548 A CN 117400548A
Authority
CN
China
Prior art keywords
conical surface
movable block
air bag
sleeve
seam allowance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311400496.7A
Other languages
Chinese (zh)
Inventor
叶特
龙垚坤
林胜
陈灿辉
唐虎
陈佳豪
王胤君
莫荣利
陈文海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou Times Ruiwei Damping Equipment Co ltd
Zhuzhou Times New Material Technology Co Ltd
Original Assignee
Zhuzhou Times Ruiwei Damping Equipment Co ltd
Zhuzhou Times New Material Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuzhou Times Ruiwei Damping Equipment Co ltd, Zhuzhou Times New Material Technology Co Ltd filed Critical Zhuzhou Times Ruiwei Damping Equipment Co ltd
Priority to CN202311400496.7A priority Critical patent/CN117400548A/en
Publication of CN117400548A publication Critical patent/CN117400548A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/58—Snap connection
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

The buckling tool for the air bag seam allowance comprises a lower positioning sleeve, a conical surface outer sleeve and a conical surface movable block, wherein the top of the lower positioning sleeve is provided with an inwards concave positioning groove, the positioning groove is provided with the conical surface movable block, the outer side of the conical surface movable block is provided with an outer inclined surface, and the inner side of the conical surface outer sleeve is provided with an inner inclined surface matched with the outer inclined surface of the conical surface movable block; when the conical surface jacket is pushed to move downwards, the conical surface movable block can be pushed to move along the length direction of the positioning groove, and the air bag seam allowance is compressed and sealed. The buckling tool is simple in structure, quick and convenient to use, can seal the air bag upper sub-opening and seal the air bag lower sub-opening, is high in applicability, is made of metal, is firm in structure and good in buckling effect.

Description

Air bag seam allowance buckling tool
Technical Field
The invention relates to a buckling tool, in particular to an air bag seam allowance buckling tool of a new energy passenger car.
Background
The demand of new energy passenger cars on air suspensions is larger and larger, and the air bags are core components in passenger car air spring suspensions, and because the air bag products mainly realize the functions of vibration reduction and height adjustment through internal sealing compressed air, the air bag products of the type have narrow space and higher requirements on the sealing performance of the upper sub-opening and the lower sub-opening of the air bags.
Disclosure of Invention
The invention aims to solve the technical problems that: how to adopt the frock of withholding to improve the sealing performance of gasbag upper and lower seam allowance.
The technical scheme provided by the invention is as follows: the air bag seam allowance buckling tool comprises a lower positioning sleeve, a conical surface outer sleeve and a conical surface movable block, wherein the top of the lower positioning sleeve is provided with an inwards concave positioning groove, the conical surface movable block is arranged in the positioning groove, the outer side of the conical surface movable block is provided with an outer inclined surface, and the inner side of the conical surface outer sleeve is provided with an inner inclined surface matched with the outer inclined surface of the conical surface movable block; when the conical surface jacket is pushed to move downwards, the conical surface movable block can be pushed to move along the length direction of the positioning groove, and the air bag seam allowance is compressed and sealed.
Preferably, the positioning grooves are arranged on the inner side of the top of the lower positioning sleeve along the circumferential direction, the number of the positioning grooves is more than two, and the positioning grooves are uniformly distributed on the top of the lower positioning sleeve along the circumferential direction.
Preferably, the length direction of the positioning groove is arranged in the radial direction of the lower positioning sleeve, the lower end of the conical surface movable block is embedded in the positioning groove of the lower positioning sleeve, and the conical surface movable block can move along the length direction of the positioning groove under the action of pushing force.
Preferably, the value of the included angle between the inner inclined surface of the conical surface jacket and the horizontal plane is equal to the value of the included angle between the outer inclined surface of the conical surface movable block and the horizontal plane.
Preferably, the outer side of the bottom of the conical surface loose piece is provided with an arc-shaped step, the side surface of the inner side of the arc-shaped step is a hanging surface, the plane of the top of the arc-shaped step is a lower end surface, and the hanging surface is perpendicular to the lower end surface.
Preferably, the lower end face of the arc-shaped step at the bottom of the conical surface movable block is embedded in the positioning groove at the top of the lower positioning sleeve, and the hanging surface of the arc-shaped step at the bottom of the conical surface movable block can be propped against the inner side of the lower positioning sleeve to play a role in radial positioning.
Preferably, a space is arranged between the conical surface movable blocks, so that an extrusion surface is formed on the inner side of each conical surface movable block, and an arc-shaped protruding block protruding inwards is arranged at the lower end of the extrusion surface of each conical surface movable block.
Preferably, the conical surface jacket is hollow circular, the aperture of the lower end of the inner inclined surface of the conical surface jacket is larger than the outer diameter of the upper end of the outer inclined surface of the conical surface loose piece, but smaller than the outer diameter of the lower end of the outer inclined surface of the conical surface loose piece, so that the outer inclined surface of the conical surface loose piece can be extruded through the inner inclined surface when the conical surface jacket moves downwards, and the conical surface loose piece in the positioning groove can be compressed towards the air bag seam allowance together.
Preferably, the outer side of the top of the conical surface jacket is provided with an annular step, the bottom of the annular step is an upper end surface, the inner side of the annular step is an upper hanging surface, and the upper hanging surface is perpendicular to the upper end surface.
The buckling tool further comprises an upper positioning sleeve, the upper positioning sleeve is in a circular tube shape, and the lower end of the upper positioning sleeve is propped against the annular step at the top of the conical surface jacket.
The beneficial technical effects of the invention are as follows: the vertical pressure is applied to the upper positioning sleeve through equipment, so that the outer inclined surface of the conical surface movable block can be extruded through the inner inclined surface when the conical surface outer sleeve moves downwards, the conical surface movable block in the positioning groove can move towards the air bag seam allowance along the radial direction, the conical surface movable block extrudes the metal retaining ring to deform, and the metal retaining ring compresses the air bag seam allowance rubber layer to radially hold the air bag seam allowance for sealing. The buckling tool is simple in structure, quick and convenient to use, can seal the air bag upper sub-opening and seal the air bag lower sub-opening, is high in applicability, is made of metal, is firm in structure and good in buckling effect.
Drawings
FIG. 1 is a schematic view showing an overall structure of sealing a sub-opening on an airbag in accordance with a first embodiment;
FIG. 2 is a schematic view showing the whole structure of the sealing of the lower sub-opening of the air bag in the first embodiment;
FIG. 3 is a schematic cross-sectional view of a conical jacket according to the first embodiment;
FIG. 4 is a schematic top view of a conical jacket according to an embodiment;
FIG. 5 is a schematic cross-sectional view of a conical surface loose piece according to the first embodiment;
FIG. 6 is a schematic top view of a conical surface block according to the first embodiment;
FIG. 7 is a schematic cross-sectional view of a lower positioning sleeve according to the first embodiment;
FIG. 8 is a schematic top view of a lower positioning sleeve according to the first embodiment;
in the figure: the upper positioning sleeve 1, the conical surface outer sleeve 2, the inner inclined surface 21, the upper end surface 22, the upper hanging surface 23, the conical surface movable block 3, the outer inclined surface 31, the lower end surface 32, the hanging surface 33, the extrusion surface 34, the arc-shaped convex block 35, the lower positioning sleeve 4, the positioning groove 41, the rubber layer 5, the metal retaining ring 6, the upper end cover 7 and the lower end cover 8.
Detailed Description
The invention is further described below with reference to examples and figures:
example 1
As shown in fig. 1 and 2, the air bag seam comprises an air bag upper seam and an air bag lower seam, wherein an upper end cover 7 is arranged at the air bag upper seam, and a lower end cover 8 is arranged at the air bag lower seam. The outside of upper end cover 7 and lower end cover 8 all is opened and is had 3 rings annular recess that separate each other, has 3 rings annular archs in the inboard relevant position of rubber layer 5, and when the cover of rubber layer 5 was 7 or lower end cover 8, the arch of rubber layer 5 was inlayed in the recess of the outside of cover and lower end cover 8, and the outside cover of rubber layer 5 has metal buckle 6, comes tight rubber layer 5 of cover to seal the gasbag seam allowance with rubber layer 5. In this embodiment, the buckling tool is arranged at the outer side of the metal buckling ring 6, and the conical surface movable block 3 of the buckling tool is used for extruding the metal buckling ring 6, so that the metal buckling ring 6 deforms to further compress the rubber layer 5, and the sealing performance of the air bag seam allowance is further improved.
The buckling tool comprises an upper positioning sleeve 1, a lower positioning sleeve 4, a conical surface outer sleeve 2 and a conical surface movable block 3, wherein an inwards concave positioning groove 41 is formed in the top of the lower positioning sleeve 4, and the conical surface movable block 3 is arranged in the positioning groove 41. An outer inclined surface 31 is arranged on the outer side of the conical surface movable block 3, a conical surface jacket 2 is further arranged on the periphery of the outer inclined surface 31 of the conical surface movable block 3, an inner inclined surface 21 matched with the outer inclined surface 31 of the conical surface movable block 3 is arranged on the inner side of the conical surface jacket 2, and the conical surface movable block 3 and the conical surface jacket 2 are contacted in an inclined surface matched mode.
An upper positioning sleeve 1 is arranged above the conical surface jacket 2, and when the upper positioning sleeve 1 is pressed downwards, the conical surface jacket 2 is driven to move downwards. The outer inclined surface 31 of the conical surface movable block 3 can be extruded through the inner inclined surface 21 of the conical surface outer sleeve 2, so that the conical surface movable block 3 in the positioning groove 41 can move towards the air bag sub-opening along the radial direction, all the conical surface movable blocks 3 simultaneously extrude the metal retaining ring 6 to deform, the metal retaining ring 6 extrudes the air bag sub-opening rubber layer 5, and the rubber layer 5 radially hugs the air bag upper sub-opening or radially hugs the air bag lower sub-opening, so that the air bag sub-opening is sealed.
As shown in fig. 1, 3 and 4, the conical surface jacket 2 is hollow and circular, and the aperture of the upper end of the inner inclined surface 21 of the conical surface jacket 2 is smaller than the aperture of the lower end of the inner inclined surface 21. The outside at conical surface overcoat 2 top is opened there is annular step, and annular step's bottom is up end 22, annular step's inboard is the upper flap 23, and upper flap 23 is perpendicular with up end 22. The upper positioning sleeve 1 is in a round tube shape, the lower end of the upper positioning sleeve 1 is propped against the upper end face 22 of the annular step at the top of the conical surface jacket 2, and the inner side wall of the upper positioning sleeve 1 is tightly sleeved on the upper hanging face 23 at the top of the conical surface jacket 2.
As shown in fig. 1, 5 and 6, a space is arranged between the conical surface movable blocks 3, and an arc-shaped step is arranged on the outer side of the bottom of the conical surface movable block 3. The side of the inner side of the arc-shaped step is a hanging surface 33, the plane of the top of the arc-shaped step is a lower end surface 32, and the hanging surface 33 is perpendicular to the lower end surface 32. The inner side of the conical surface movable block 3 is provided with an extrusion surface 34, the lower end of the extrusion surface 34 of the conical surface movable block 3 is provided with an arc-shaped protruding block 35 protruding inwards, and the metal retaining ring 6 is placed at the arc-shaped protruding block 35. The gravity of the upper positioning sleeve 1 and the conical surface jacket 2 acts on the inclined surfaces of the conical surface movable blocks 3, so that the conical surface movable blocks 3 in the positioning groove 41 move towards the air bag seam, the extrusion surface 34 of each conical surface movable block 3 is tightly attached to the outer side surface of the metal retaining ring 6, and the bottom of the metal retaining ring 6 is propped against the arc-shaped protruding blocks 35 of the conical surface movable blocks 3.
The lower end face 32 of the arc-shaped step at the bottom of the conical surface movable block 3 is embedded in the positioning groove 41 at the top of the lower positioning sleeve 4, and the conical surface movable block 3 can slide in the positioning groove 41. The lower surface 33 of the arc-shaped step at the bottom of the conical surface movable block 3 can be propped against the inner side of the lower positioning sleeve 4 to play a role in radial positioning. Therefore, after the buckling tool is installed, the inner side of the conical surface movable block 3 can be propped against the outer side of the metal buckle 6 to form certain pre-compression force, so that the air bag is prevented from falling.
As shown in fig. 1, 7 and 8, the positioning grooves 41 are provided on the inner side of the top of the lower positioning sleeve 4 in the circumferential direction, and the number of the positioning grooves 41 is preferably two or more. In this embodiment, the number of the positioning slots 41 is 8, and the positioning slots 41 penetrate through the inner side and the outer side of the top of the lower positioning sleeve 4, that is, the two ends of the positioning slots 41 are open; and the 8 positioning grooves 41 are uniformly distributed along the circumferential direction of the top of the lower positioning sleeve 4. The length direction of the positioning groove 41 is arranged in the radial direction of the air bag seam allowance, the lower end of the conical surface movable block 3 is embedded in the positioning groove 41 of the lower positioning sleeve 4, and under the action of pushing force, the conical surface movable block 3 can move along the length direction of the positioning groove 41, so that the conical surface movable block 3 can squeeze the metal retaining ring 6 to deform.
As shown in fig. 1 to 8, the angle between the inner inclined surface 21 of the conical surface jacket 2 and the horizontal plane is preferably 45 degrees to 75 degrees, and the value of the angle between the inner inclined surface 21 of the conical surface jacket 2 and the horizontal plane is equal to the value of the angle between the outer inclined surface 31 of the conical surface movable block 3 and the horizontal plane.
The specific installation and implementation process of this embodiment is as follows: the rubber layer 5 is sleeved on the upper end cover 7 and the lower end cover 8, the metal retaining ring 6 is sleeved on the rubber layer 5 at the end cover, the lower positioning sleeve 4 is placed, and then a product is placed in the lower positioning sleeve 4. The lower conical surface movable blocks 3 are respectively clamped into the corresponding positioning grooves 41 and are contacted with the metal retaining ring 6. And the conical surface jacket 2 is sleeved, the upper positioning sleeve 1 is placed at last, and vertical downward pressure is applied to the upper positioning sleeve 1 through equipment, so that the outer inclined surface 31 of the conical surface movable block 3 can be extruded through the inner inclined surface 21 when the conical surface jacket 2 moves downwards, the conical surface movable block 3 in the positioning groove 41 can move towards the air bag seam allowance along the radial direction together, the conical surface movable block 3 extrudes the metal retaining ring 6 to deform, the metal retaining ring 6 extrudes the rubber layer 5 at the air bag seam allowance, and the rubber layer 5 radially hugs the air bag seam allowance to realize sealing. Sealing the air bag sub-opening at one end, and then sealing the air bag sub-opening at the other end by the same method.
It will be apparent that several improvements or modifications may be made without departing from the principles of the invention.

Claims (10)

1. The air bag seam allowance buckling tool is characterized by comprising a lower positioning sleeve, a conical surface outer sleeve and a conical surface movable block, wherein the top of the lower positioning sleeve is provided with an inwards concave positioning groove, the positioning groove is internally provided with the conical surface movable block, the outer side of the conical surface movable block is provided with an outer inclined surface, and the inner side of the conical surface outer sleeve is provided with an inner inclined surface matched with the outer inclined surface of the conical surface movable block; when the conical surface jacket is pushed to move downwards, the conical surface movable block can be pushed to move along the length direction of the positioning groove, and the air bag seam allowance is compressed and sealed.
2. The air bag seam allowance buckling tool according to claim 1, wherein the positioning grooves are formed in the inner side of the top of the lower positioning sleeve in the circumferential direction, the number of the positioning grooves is more than two, and the positioning grooves are uniformly distributed in the top of the lower positioning sleeve in the circumferential direction.
3. The air bag seam allowance buckling tool according to claim 2, wherein the length direction of the locating groove is arranged in the radial direction of the lower locating sleeve, the lower end of the conical surface movable block is embedded in the locating groove of the lower locating sleeve, and the conical surface movable block moves along the length direction of the locating groove under the action of pushing force.
4. An air bag seam allowance crimping tool according to claim 3 wherein the angle between the inner inclined surface of the conical surface outer sleeve and the horizontal plane is equal to the angle between the outer inclined surface of the conical surface movable block and the horizontal plane.
5. The air bag seam allowance buckling tool according to claim 4, wherein the outer side of the bottom of the conical surface movable block is provided with an arc-shaped step, the side surface of the inner side of the arc-shaped step is a hanging surface, the plane of the top of the arc-shaped step is a lower end surface, and the hanging surface is perpendicular to the lower end surface.
6. The air bag seam allowance buckling tool according to claim 5, wherein the lower end face of the arc-shaped step at the bottom of the conical surface movable block is embedded in the positioning groove at the top of the lower positioning sleeve, and the downward hanging face of the arc-shaped step at the bottom of the conical surface movable block can be propped against the inner side of the lower positioning sleeve to play a role in radial positioning.
7. The air bag seam allowance buckling tool according to claim 6, wherein a space is arranged between the conical surface movable blocks, an extrusion surface is formed on the inner side of each conical surface movable block, and an arc-shaped protruding block protruding inwards is arranged at the lower end of the extrusion surface of each conical surface movable block.
8. The air bag seam allowance withholding tool according to claim 1, wherein the conical surface outer sleeve is hollow circular, the aperture of the lower end of the inner inclined surface of the conical surface outer sleeve is larger than the outer diameter of the upper end of the outer inclined surface of the conical surface movable block, but smaller than the outer diameter of the lower end of the outer inclined surface of the conical surface movable block, so that the outer inclined surface of the conical surface movable block can be extruded through the inner inclined surface when the conical surface outer sleeve moves downwards, and the conical surface movable block in the positioning groove can be compressed towards the air bag seam allowance together.
9. The air bag seam allowance buckling tool according to claim 8, wherein an annular step is formed in the outer side of the top of the conical surface outer sleeve, the bottom of the annular step is an upper end face, the inner side of the annular step is an upper hanging face, and the upper hanging face is perpendicular to the upper end face.
10. The air bag seam allowance withholding tool according to claim 9, further comprising an upper locating sleeve, wherein the upper locating sleeve is in a circular tube shape, and the lower end of the upper locating sleeve is propped against the annular step at the top of the conical surface outer sleeve.
CN202311400496.7A 2023-10-26 2023-10-26 Air bag seam allowance buckling tool Pending CN117400548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311400496.7A CN117400548A (en) 2023-10-26 2023-10-26 Air bag seam allowance buckling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311400496.7A CN117400548A (en) 2023-10-26 2023-10-26 Air bag seam allowance buckling tool

Publications (1)

Publication Number Publication Date
CN117400548A true CN117400548A (en) 2024-01-16

Family

ID=89497597

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311400496.7A Pending CN117400548A (en) 2023-10-26 2023-10-26 Air bag seam allowance buckling tool

Country Status (1)

Country Link
CN (1) CN117400548A (en)

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