CN111452262A - Ventilation air bag and preparation method and mold thereof - Google Patents
Ventilation air bag and preparation method and mold thereof Download PDFInfo
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- CN111452262A CN111452262A CN202010312725.XA CN202010312725A CN111452262A CN 111452262 A CN111452262 A CN 111452262A CN 202010312725 A CN202010312725 A CN 202010312725A CN 111452262 A CN111452262 A CN 111452262A
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
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- 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
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
- B29L2022/027—Air bags
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- 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
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
- B29L2031/504—Soles
Abstract
The invention relates to a ventilation air bag and a preparation method and a die thereof, wherein the ventilation air bag comprises an air bag body, an air containing inner cavity is arranged in the air bag body, a one-way air inlet channel and a one-way air outlet channel which are communicated with the air containing inner cavity are arranged at the front end of the air bag body, round beads are respectively arranged in the air inlet channel and the air outlet channel, the air inlet channel and the air outlet channel comprise a pipeline and a blocking ring which is arranged in the pipeline and has a smaller inner diameter than the pipeline, a plurality of limit points are raised on the inner wall of the channel, the blocking ring is matched with the round beads to open or close the air circulation of the channel, the limit points of the air inlet channel limit the round beads to fall into the air containing inner cavity and keep the channel to ventilate, the blocking ring of the air outlet channel is matched with the. The invention has simple structure, the air inlet channel and the air outlet channel are integrally formed on the air bag body, and the actions of unidirectional air inlet and unidirectional air outlet are achieved by utilizing the movement of the ball between the blocking ring and the limit point respectively, thereby simplifying the integral structure.
Description
Technical Field
The invention relates to the technical field of shoes, in particular to a ventilation air bag, a preparation method thereof and a mold.
Background
The foot bears the whole body weight and transmits the weight to the ground when a person walks, the opposite ground can also generate a reaction force to the foot, so the person can feel aching pain of the foot after walking a section of way, in order to solve the problem, a shoe factory can add some ventilation air bags on the sole, the resilience force is increased through the air bags to realize shock absorption, so as to improve the comfort of the wearer during walking, the prior air bags are made into hollow bag bodies by TPU, the bag bodies are required to be cut and then are bonded manually to form air bag bodies, and the bag bodies are cut into connectors communicated with the air containing cavities of the bag bodies; the joint is inserted with an air duct, and the tail end of the air duct is inserted with a one-way valve core. The airbag has multiple airbag components, needs manual assembly, and has a complex structure and high production cost.
Disclosure of Invention
In order to solve the problems, the invention provides the ventilation air bag which is simple in structure, few in components and simple to assemble, and the preparation method and the die thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a gasbag takes a breath, includes the gasbag body, this internal appearance gas cavity that is equipped with of gasbag, the front end of gasbag body is equipped with one-way inlet channel and the one-way runner of giving vent to anger that communicates with appearance gas cavity, gasbag body, one-way inlet channel and one-way runner of giving vent to anger integrated into one piece, be equipped with first ball in the inlet channel, be equipped with the shutoff ring of admitting air between first ball and the air inlet, the internal diameter of inlet channel is greater than the diameter of first ball, the shutoff ring internal diameter of admitting air is less than the diameter of first ball, be equipped with the second ball in the runner of giving vent to anger, be equipped with the shutoff ring of giving vent to anger between second ball and appearance gas cavity export, the internal diameter of runner of giving vent to anger is greater than the diameter of second ball, the shutoff ring internal diameter of giving.
The air inlet channel and the air outlet channel are respectively internally provided with a ball, the air inlet channel and the air outlet channel comprise a pipeline and a blocking ring which is arranged in the pipeline and has a smaller inner diameter than the pipeline, a plurality of limit points protrude on the inner wall of the channel, the blocking ring is matched with the ball to open or close the gas circulation of the channel, the limit points of the air inlet channel limit the ball to fall into the air containing inner cavity and keep the channel to ventilate, the blocking ring of the air outlet channel is matched with the ball to open or close the gas circulation of the air outlet channel, and the limit points of the air outlet channel limit the ball to escape out of the air bag. At gasbag body integrated into one piece inlet channel and the runner of giving vent to anger, utilize the activity of ball between occlusion ring and spacing point respectively in order to reach the effect of one-way air inlet and one-way giving vent to anger, simplified whole gasbag structure, and the gas tightness is better than traditional gasbag.
Preferably, a plurality of first limit points are arranged on the surface of the inner wall of the air inlet flow channel between the inlet of the air containing inner cavity and the first ball, the first limit points protrude out of the inner wall of the air inlet flow channel, the distance between the protruding top ends of the plurality of first limit points is smaller than the diameter of the first ball, a plurality of second limit points are arranged on the surface of the inner wall of the air outlet flow channel between the air outlet and the second ball, the second limit points protrude out of the inner wall of the air outlet flow channel, and the distance between the protruding top ends of the plurality of second limit points is smaller than the diameter of the second ball.
The inlet channel and the outlet channel are a pipeline with the same inner diameter, the diameters of the first round bead and the second round bead are smaller than the inner diameter of the pipeline, the first limiting point and the second limiting point limit the first round bead and the second round bead to slide out of the channels while keeping the channels ventilated, and the inlet/outlet blocking ring limits the round beads to slide out of the channels while blocking the channels.
Preferably, the air containing inner cavity is filled with air-permeable supporting filler.
Preferably, the balloon body is made of rubber.
The utility model provides a make mould of gasbag of taking a breath, the gasbag mould includes mould, medium plate, lower mould, the medium plate is located between mould and the lower mould, go up mould and lower mould parallel relative setting and closely laminate in the medium plate upper and lower surface, it all is equipped with at least one sunken die cavity to go up mould and lower mould, the surface is equipped with convex last mold core and lower mold core in corresponding sunken die cavity position on the medium plate, go up the sunken die cavity of mould and form the piece die cavity after the mould core compound die on the medium plate, the sunken die cavity of lower mould forms piece die cavity with the mould core down after the mould core compound die, it is equipped with inlet channel preformed groove and the runner preformed groove of giving vent to anger to go up. The upper mold core and the concave part mold cavity as well as the lower mold core and the concave part mold cavity are provided with the slow inclined planes, so that the wrinkling condition of the upper layer film and the lower layer film after connection is effectively reduced.
Preferably, the air bag mold further comprises an air inlet runner mold core and an air outlet runner mold core which are matched with the air inlet runner reserved groove, the air inlet runner mold core and the air outlet runner mold core are round bars, a blocking groove is formed in each round bar, a limiting hole is formed in one side of each blocking groove, after the upper mold and the lower mold are closed, each blocking groove forms a blocking ring in each runner, and each limiting hole forms a limiting point.
The invention simplifies the production process of the air bag through the mould, the mould core of the air inlet runner and the mould core of the air outlet runner adopt the same mould core, the structure of the mould is more optimized, the cost is further saved and the production efficiency is improved.
A method for preparing a ventilation air bag comprises the following steps:
the method comprises the following steps: preheating the die: firstly presetting the vulcanizing time to be 50-200 s and the vulcanizing temperature to be 150-200 ℃ on a vulcanizing machine, then closing the upper die, the middle plate and the lower die to preheat, wherein the preheating temperature is the preset temperature of the vulcanizing machine, and the preheating time is 40 min-3 h;
the method comprises the following steps: preheating the die: closing the upper die, the middle plate and the lower die for preheating;
step two: filling rubber materials and closing the dies: after the temperature of the mold reaches a set value, separating the upper mold, the middle plate and the lower mold, placing a lower layer of rubber material (solid state) into a concave mold cavity of the lower mold, placing the middle plate on the lower mold, attaching a middle plate lower mold core to the surface of the lower layer of rubber material, placing an upper layer of rubber material (solid state) into the surface of an upper mold core of the middle plate, covering the upper mold on the middle plate, attaching an upper cover concave mold cavity to the surface of the upper layer of rubber material, and matching the material type with the concave mold cavity to facilitate the rubber material to fill the mold cavity;
step three: and (3) vulcanization molding: putting the mold after the mold assembly in the second step into the vulcanizing machine, starting the vulcanizing machine to assemble the mold, heating the mold according to the vulcanizing temperature preset by the vulcanizing machine, melting the upper layer rubber material and flowing to the upper sheet cavity, forming an air bag upper sheet with a front end air inlet channel and an air outlet channel preformed groove and a hemispherical concave cavity in the middle part in the upper sheet cavity, melting the lower layer rubber material and flowing to the lower sheet cavity, and forming an air bag lower sheet with a front end air inlet channel and an air outlet channel preformed groove and a hemispherical concave cavity in the middle part in the lower sheet cavity;
step four: opening the mold: the upper die and the lower die are separated and the middle plate is pulled away, and a breathable supporting material is placed in the hemispherical concave cavity of the lower air bag sheet;
step five: placing an inlet runner mold core and an outlet runner mold core into an inlet runner and outlet runner preformed groove, placing a mold with an upper mold and a lower mold which are closed into a vulcanizing machine, pressurizing and heating, hot-melting and jointing edges of an upper airbag sheet and a lower airbag sheet, and drawing the inlet runner mold core and the outlet runner mold core to prepare a basic airbag with an inlet runner and an outlet runner;
step six: and (3) respectively plugging the two beads into the air inlet channel and the air outlet channel, wherein the bead of the air inlet channel is positioned between the blocking ring and the air containing inner cavity, and the bead of the air outlet channel is positioned between the blocking ring and the air outlet, so that the preparation of the air bag is completed.
The invention has the beneficial effects that: the air bag provided by the invention adopts the integrally formed air inlet channel and air outlet channel, the air inlet channel consists of a regular circular pipeline with an inner diameter and a first ball with a diameter smaller than that of the pipeline, a limit point is arranged between the ball and the air containing inner cavity, the limit point protrudes out of the inner wall of the channel, the distance between the protruding top ends of a plurality of limit points is smaller than that of the ball, the limit points limit the ball to slide out of the channel and keep the channel to ventilate, a blocking ring is arranged between the ball and the air inlet, the inner diameter of the blocking ring is smaller than that of the ball, and the blocking ring limits the ball to slide out of the channel and simultaneously blocks the. The air outlet flow channel is composed of an inner diameter right circular pipeline and a second ball, the diameter of the second ball is smaller than that of the pipeline, a blocking ring is arranged between the ball and the air containing inner cavity, the inner diameter of the blocking ring is smaller than that of the ball, the blocking ring limits the ball to slide out of the flow channel and simultaneously blocks the flow channel, a limiting point is arranged between the ball and the air outlet, the limiting point protrudes out of the inner wall of the flow channel, the distance between the protruding top ends of the limiting points is smaller than that of the ball, and the limiting point limits the ball to slide out of the flow channel and simultaneously keeps the. The air bag has a simple structure, the air inlet channel and the air outlet channel are integrally formed on the air bag body, and the actions of unidirectional air inlet and unidirectional air outlet are achieved by utilizing the movement of the ball between the blocking ring and the limiting point respectively, so that the control effect of the air bag on the air flow is ensured, and the integral structure is simplified.
The air bag can realize two modes, namely: the gasbag is outside sweat discharge shoes in the shoes, makes the gasbag air inlet setting in the shoes through the pipe when the inlet channel, because admit air and the runner of giving vent to anger adopts one-way design, open and close the runner through the ball, the inlet channel can only admit air, and the runner of giving vent to anger can only give vent to anger, when the human walking, through foot extrusion gasbag, make gasbag compression and expansion, can be outside the shoes are interior moist sweat discharge shoes, keep the foot dry and comfortable, avoided shoes smelly, mode two: the air bag introduces air outside the shoe into the shoe, and when the air inlet channel is arranged outside the shoe through the conduit, the air bag compresses and expands to gradually suck the outside air into the shoe by utilizing the walking principle of people, thereby playing the roles of ventilation and air exchange in the shoe.
The invention has simple preparation process, firstly utilizes the middle plate to be arranged between the upper die and the lower die to form the upper air bag sheet and the lower air bag sheet, then the middle plate is pulled out, the air inlet channel die core and the air outlet channel die core are placed into the air channel preformed grooves of the upper rubber sheet and the lower rubber sheet, the edges of the upper rubber sheet and the lower rubber sheet are bonded to prepare the air bag with the air inlet channel and the air outlet channel which are integrally formed and communicated with the air containing cavity, and the blocking ball is respectively plugged into the first ball containing cavity section and the second ball containing cavity section, because the flow channel is made of rubber material, the blocking ball is easy to be plugged into the flow channel, the preparation is simple, the production efficiency is high, the defects of more traditional air bag components are solved, the invention adopts the structure of integrally forming the air inlet channel and the air outlet channel, the problem that the air exchange effect can not be realized because the assembly of the one-way valve, realize basic gasbag preparation through the mould, fill in the preparation that the ball just accomplished whole gasbag again, the subassembly is few with low costs, and the gas tightness is better, and is whole more firm.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an elevational cross-sectional view of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
FIG. 4 is a schematic structural view of an embodiment of an intake runner.
Fig. 5 is a schematic structural diagram of an embodiment of an outlet flow channel.
Fig. 6 is an exploded view of the mold.
Fig. 7 is a perspective view of the runner core.
FIG. 8 is a schematic structural view of a second embodiment of the intake runner.
Fig. 9 is a schematic structural diagram of the second embodiment of the outlet flow channel.
FIG. 10 is a perspective view of a second embodiment of an inlet manifold core.
Fig. 11 is a second perspective view of the embodiment of the core of the air outlet flow channel.
Description of reference numerals: 1. an airbag body; 11. an air inlet; 12. an air outlet; 13. the airbag is mounted; 14. the lower part of the air bag; 2. an air containing inner cavity; 21. a filler; 22. an inlet; 23. an outlet; 3. an air inlet channel; 30. an intake blocking ring; 31. a first air intake section; 311. an air intake section; 312. an air inlet blocking section; 32. a second air intake section; 321. a first ball chamber section; 322. a first air-containing inner cavity connecting section; 323. a first restriction site; 33. a first interface; 34. a first ball; 4. an air outlet flow channel; 40. an air outlet blocking ring; 41. a first air outlet section; 411. an air outlet section; 412. a second ball chamber section; 413. a second restriction site; 42. a second air outlet section; 422. a second air containing inner cavity connecting section; 43. a second interface; 44. a second bead; 5. an upper die; 6. a middle plate; 61. an upper mold core; 7. a lower die; 71. a recess cavity; 8. a gas inlet channel mold core; 81. a first limit hole; 82. blocking the groove; 9. a mold core of the air outlet flow channel; 91. a second limiting hole.
Detailed Description
Example one
Referring to fig. 1-9, the present invention relates to a ventilation airbag, including an airbag body 1, the airbag body 1 is made of rubber, the airbag body 1 includes an upper airbag sheet 13 and a lower airbag sheet 14, an air accommodating cavity 2 is provided in the airbag body 1, an air permeable supporting filler 21, such as sponge, leaves, etc., is provided in the air accommodating cavity 2, an air inlet 11 and an air outlet 12 are provided at the front end of the airbag body 1, the air accommodating cavity 2 has an inlet 22 and an outlet 23, a unidirectional air inlet channel 3 communicating with the air accommodating cavity 2 is provided between the air inlet 11 and the inlet 22 of the air accommodating cavity 2, a unidirectional air outlet channel 4 communicating with the air accommodating cavity 2 is provided between the air outlet 12 and the outlet 23 of the air accommodating cavity 2, the airbag body 1, the unidirectional air inlet channel 3 and the unidirectional air outlet channel 4 are integrally formed, conventional airbags are manually assembled by a plurality of components, the invention adopts an integrated forming process to simplify components such as a traditional air bag interface, a one-way valve core and the like, optimizes the production process, improves the production efficiency, meanwhile, the problem that the existing air bag and the one-way valve core are not firmly assembled is solved, a first ball 34 is arranged in the air inlet flow passage 3, an air inlet blocking ring 30 is arranged between the first round bead 34 and the air inlet 11, the blocking ring 30 is matched with the upper die and the lower die through a groove arranged on the runner die core and is formed through rubber hot pressing, the inlet flow channel 3 has an inner diameter larger than the diameter of the first ball 34, the inlet closure ring 30 has an inner diameter smaller than the diameter of the first ball 34, a second ball 44 is arranged in the air outlet flow passage 4, an air outlet blocking ring 40 is arranged between the second ball 44 and the outlet 23 of the air containing inner cavity 2, the inner diameter of the outlet flow channel 4 is larger than the diameter of the second ball 44, and the inner diameter of the outlet blocking ring 40 is smaller than the diameter of the second ball 44. The inlet flow channel and the outlet flow channel have the same structure, and the positions of the blocking ring and the limiting point are just opposite.
Preferably, a plurality of first limiting points 323 are arranged on the surface of the inner wall of the inlet runner 3 between the inlet 22 of the gas containing inner cavity 2 and the first ball 34, the first limiting points 323 protrude from the inner wall of the inlet runner 3, the first limiting points 323 are matched with the upper die and the lower die through limiting holes arranged on the runner core and are formed by rubber hot press, the distance between the protruding top ends of the plurality of first limiting points 323 is smaller than the diameter of the first ball 34, a plurality of second limiting points 413 are arranged on the surface of the inner wall of the outlet runner 4 between the gas outlet 12 and the second ball 44, the second limiting points 413 protrude from the inner wall of the outlet runner 4, and the distance between the protruding top ends of the plurality of second limiting points 413 is smaller than the diameter of the second ball 44.
The inlet flow channel 3 and the outlet flow channel 4 are a pipe with the same inner diameter, the diameter of the first ball 34 and the second ball 44 is smaller than the inner diameter of the pipe, the first limiting point 413 and the second limiting point 413 limit the first ball and the second ball to slide out of the flow channel and simultaneously keep the flow channel to ventilate, and the inlet/outlet blocking ring 40 limits the ball to slide out of the flow channel and simultaneously block the flow channel.
A mould for manufacturing a ventilation air bag comprises an upper mould 5, a middle plate 6, a lower mould 7 and runner mould cores, wherein the middle plate 6 is arranged on the upper mould 5 and the lower mould 7, the upper mould 5 and the lower mould 7 are oppositely arranged in parallel and tightly attached to the upper surface and the lower surface of the middle plate 6, the upper mould 5 and the lower mould 7 are respectively provided with four concave part mould cavities, the upper surface and the lower surface of the middle plate 6 are provided with an upper mould core 61 and a lower mould core which are mirror images at the positions of the concave part mould cavities, the upper mould 5 and the upper mould core 61 are combined to form an upper piece mould cavity, the lower mould 7 and the lower mould core are combined to form a lower piece mould cavity, slow inclined planes and slow inclined planes are arranged between the upper mould core 61 and the concave part mould cavity as well as between the lower mould cavity and the lower mould cavity, wrinkling of the upper piece mould cavity and the lower piece mould cavity is effectively reduced, the air channel mold core is inserted into the air channel reserved groove, the air channel mold core is divided into an air inlet channel mold core 8 and an air outlet channel mold core 9, the air inlet channel mold core 8 and the air outlet channel mold core 9 are identical in structure and are both a round bar, a blocking groove 82 is formed in the round bar, a limiting hole is formed in one side of the blocking groove 82, the air inlet channel mold core 8 and the air outlet channel mold core 9 enable the front end of the air bag body to form an air inlet channel and an air outlet channel, the positions of the blocking groove and the limiting hole of the air inlet channel mold core 8 and the positions of the limiting hole of the air outlet channel mold core 9 are.
A method for preparing a ventilation air bag comprises the following steps:
the method comprises the following steps: preheating a mold: firstly, presetting the vulcanization time of 50-200 s, the vulcanization temperature of 150-200 ℃ and the vulcanization pressure of 4-20 MPa on a vulcanizing machine; then, closing the upper die, the middle plate and the lower die to preheat, wherein the preheating temperature is the preset temperature of the vulcanizing machine, and the preheating time is 40 min-3 h;
step two: filling rubber materials and closing the dies: after the temperature of the mold is constant, separating an upper mold, a middle plate and a lower mold, placing a lower layer of rubber material (solid) into a cavity of a concave part of the lower mold, placing the middle plate on the lower mold, attaching a core of the lower mold of the middle plate to the surface of the lower layer of rubber material, placing an upper layer of rubber material (solid) onto the surface of an upper mold core, embedding the cavity of the concave part of the upper mold into the upper mold core, attaching the core of the upper mold on the surface of the upper layer of rubber material of the middle plate, matching the material type with the cavity at the moment to fill the cavity with the rubber material conveniently, and vulcanizing;
step three: and (3) vulcanization molding: putting the die assembled in the second step into the vulcanizing machine, starting the vulcanizing machine, heating the die according to the vulcanizing temperature preset by the vulcanizing machine, melting the upper-layer rubber material and flowing to the upper-piece cavity, forming an upper-layer rubber sheet with a front-end air inlet channel and an air outlet channel preformed groove and a hemispherical concave cavity in the middle in the upper-layer cavity, melting and flowing the lower-layer rubber material to the lower-piece cavity, and forming a lower-layer rubber sheet with a front-end air inlet channel and an air outlet channel preformed groove and a hemispherical concave cavity in the middle in the lower-layer cavity;
step four: opening the mold: the upper die and the lower die are separated and are pulled away from the middle plate, and the breathable supporting material is placed in the cavity of the hemispherical surface of the upper layer rubber sheet or the lower layer rubber sheet; the middle plate can be drawn away in various forms, such as the most clumsy manual drawing away or the drawing away by a common manipulator, and the drawing away modes are various for technicians in the field as long as the upper mold core and the lower mold core can be drawn away from the space between the upper mold and the lower mold;
step five: placing an inlet runner mold core and an outlet runner mold core into an inlet runner and outlet runner preformed groove, placing a mold formed by closing an upper mold and a lower mold into the vulcanizing machine, performing hot melting and laminating on an upper rubber membrane layer and a lower rubber membrane layer, and drawing the inlet runner mold core and the outlet runner mold core away to prepare a basic air bag with an inlet runner and an outlet runner; when in hot-melt bonding, the hot-pressing temperature is 130-200 ℃, and the pressure value is 0.3-0.5 Mpa;
step six: respectively plugging two beads between the blocking ring and the limiting point in the air inlet channel and between the blocking ring and the limiting point in the air outlet channel to finish the preparation of the air bag;
step eight: air ducts made of PVC or TPU and silica gel hose materials are respectively inserted into the air inlet channel and the air outlet channel, the air bag is arranged in the shoe, the air duct communicated with the air inlet channel is connected into the interior of the shoe or the exterior of the shoe, and the air duct communicated with the air outlet channel is connected into the exterior of the shoe or the interior of the shoe.
In the production process, the preheating of the mould in the first step is needed before the production of the first mould, and the first step can be omitted when the subsequent continuous production is carried out after the second mould after the production of the first mould is finished.
In the second step, the middle plate 6 is provided with an upper mold core 61 and a lower mold core, the upper mold core 61 enables the rubber sheets in the upper mold 5 and the lower mold 7 to be tightly attached to the inner wall of the mold cavity so as to form the airbag body 1, and the air containing inner cavity 2 is formed in the airbag body 1.
The air outlet flow channel mold core can be the same as the air inlet flow channel mold core, and the placing direction is opposite to the air inlet flow channel in the manufacturing process.
The product is placed into a sole, an air inlet guide pipe is inserted into an air inlet of an air inlet channel 3, one end of the air inlet guide pipe is inserted into an air inlet section and communicated with the air inlet channel, the other end of the air inlet guide pipe is arranged in the shoe, the air inlet channel 3 only can admit air but cannot admit air, an air outlet of an air outlet channel 4 is inserted into the air outlet channel, one end of the air outlet guide pipe is inserted into the air outlet section and communicated with the air outlet channel, the other end of the air outlet guide pipe is arranged outside the shoe, the air outlet channel 4 only can admit air but cannot admit air, when a person walks, a support enables the air bag to expand from flat, moist sweat in the shoe is sucked into the air inlet channel from the air inlet pipe through the air bag, the air bag expands, air outside the air bag pushes a first ball 34 to a first limit point 323 after entering the air inlet channel, the air inlet channel is communicated with an air containing inner cavity 2, so that the air enters the air containing inner cavity 2 from, closing the air outlet flow channel;
after a human foot touches the ground, the air bag is compressed, the air in the air containing inner cavity 2 enters the air outlet flow channel to push the second ball 44 to the second limit point 413, the air outlet flow channel is communicated with the air containing inner cavity 2, so that the air flows out of the air bag, the moist sweat in the shoe in the air bag is extruded outside the shoe, meanwhile, the air in the air containing inner cavity 2 enters the air inlet flow channel to push the first ball 34 to the air inlet blocking ring, the air inlet flow channel is closed, the sweat which is just pumped out of the shoe is prevented from flowing back into the shoe, and therefore the one-way air inlet of the air inlet flow channel 3 and the one-way air outlet of the air.
When a person lifts feet, the air bag returns to an expanded state by utilizing the elasticity of the rubber and the filling support in the inner cavity of the container, and the inner cavity of the container sucks air from the air inlet guide pipe; when a person falls on the foot, the air containing cavity of the air bag is flattened, and the air in the air bag is extruded and discharged through the outlet conduit. The circulation achieves the purposes of air suction and air exhaust. The air bag structure of the invention realizes the active suction and forced discharge of air by the air bag.
Example two
The difference between the second embodiment and the first embodiment is that the structures of the air inlet flow channel 3 and the air outlet flow channel are different, and the structures of the adopted air inlet flow channel mold core and the adopted air outlet flow channel mold core are different.
In the second embodiment, the inlet flow channel 3 includes a first inlet section 31, a second inlet section 32 and a first interface 33 communicating the first inlet section 31 and the second inlet section 32, a first ball 34 for opening or closing the first interface 33 is disposed in the second inlet section 32, the outlet flow channel 4 includes a first outlet section 41, a second outlet section 42 and a second interface 43 communicating the first outlet section 41 and the second outlet section 42, and a second ball 44 for opening or closing the second interface 43 is disposed in the first outlet section 41.
Preferably, the first air intake section 31 is sequentially provided with an air intake section 311 and an air intake blocking section 312 from the air inlet to the air containing inner cavity 2, the second air intake section 32 is sequentially provided with a first ball containing cavity section 321 and a first air containing inner cavity connecting section 322 from the air inlet to the air containing inner cavity 2, a first limiting point 323 is arranged between the first ball containing cavity section 321 and the first air containing inner cavity connecting section 322, the inner diameter of the air intake section 311 is larger than that of the first ball, the air intake section 311 is convenient for the first ball 34 to be plugged into the air intake blocking section 312, the second air intake section 311 is used for inserting an air duct to facilitate air suction, the air intake blocking section 312 forms a first interface penetrating through the first air intake section 31 and the second air intake section 32, the air intake blocking section 312 has two ends, the inner diameter near one end of the air inlet is larger than that of the first ball 34, the inner diameter near one end of the air containing inner cavity 2 is smaller than that of the first ball containing section 321, the first limiting point 323 limits the first ball 34 in the first ball cavity section 321, the first limiting point 323 is a convex point or a convex column formed on the inner wall surface of the inlet flow channel 3, only limits the position of the first ball 34 to prevent the first ball 34 from entering the air bag and enables the first ball 34 and the inner wall surface of the inlet flow channel 3 to have a gap, namely, the first ball 34 is limited from falling off and entering the air bag, the inlet flow channel 3 and the air cavity 2 are kept to be ventilated, and the first ball 34 moves back and forth in the first ball cavity section 321 from the inlet blocking section 312 to the first limiting point 323 under the pushing of gas.
Preferably, the first air outlet section 41 is sequentially provided with an air outlet section 411 and a second ball cavity section 412 from the air outlet to the air cavity 2, a second limiting point 413 is arranged between the air outlet section 411 and the second ball cavity section 412, the second limiting point 413 limits the falling of the ball from the air bag and keeps the air outlet flow passage 4 and the air cavity 2 to be ventilated, the second limiting point 413 limits the second ball 44 in the second ball cavity section 412, the second air inlet section 32 is sequentially provided between an air outlet blocking section and a second air cavity connecting section 422 from the air outlet to the air cavity 2, the inner diameters of the air outlet section 411 and the second ball cavity section 412 are larger than the diameter of the second ball 44, the air outlet blocking section forms a second interface penetrating through the first air outlet section and the second air outlet section, the air outlet blocking section has two ends, the inner diameter of the air outlet blocking section near one end is larger than the second ball 44, the inner diameter of the air cavity 2 is smaller than the second ball 44, the inner diameter of the second air-containing inner cavity connecting section 422 is smaller than the diameter of the second ball 44, and the second ball 44 moves back and forth between the second limiting point 413 and the second air outlet section 42 in the second ball cavity section 412 under the pushing of air. The air outlet blocking section can be omitted, the diameter of the second air containing inner cavity connecting section 422 is smaller than that of the second ball 44, and the technical scheme of the invention can be solved.
The air bag is simple in structure, the air inlet channel and the air outlet channel are integrally formed on the air bag body, the first ball moves between the air inlet blocking section and the first limiting point to achieve one-way air inlet, and the second ball moves between the air outlet blocking section and the second limiting point to achieve one-way air outlet, so that the air flow control effect of the air bag is guaranteed, and the overall structure is simplified; the air bag external airflow enters the air inlet flow channel to push the first ball 34 to the first limiting point, the first ball 34 opens the first interface, the air inlet flow channel opens the air inlet, the air bag external airflow enters the air outlet flow channel to push the second ball 44 to the second air outlet section 42, the second interface is blocked by the second ball 42, the air outlet flow channel is closed, and the unidirectional air inlet of the air inlet flow channel is realized; the air flow in the air bag enters the air inlet flow channel to push the first ball 34 to the air inlet blocking section, the first ball 34 blocks the first connector, the air inlet flow channel is closed to prevent the air flow in the air bag from flowing back, the air flow in the air bag enters the air outlet flow channel to push the ball to the second limiting point 413, the air outlet flow channel is opened to discharge air, and one-way air discharge of the air outlet flow channel is realized.
The product is placed into a sole, an air inlet conduit is inserted into an air inlet of an air inlet channel 3, one end of the air inlet conduit is inserted into an air inlet section and communicated with the air inlet channel, the other end of the air inlet conduit is arranged in the shoe, the air inlet channel 3 only can inlet air but cannot outlet air, an air outlet of an air outlet channel 4 is inserted into the air outlet conduit, one end of the air outlet conduit is inserted into the air outlet section and communicated with the air outlet channel, the other end of the air outlet conduit is arranged outside the shoe, the air outlet channel 4 only can outlet air but cannot inlet air, moist sweat in the shoe enters an air bag through an air inlet channel when a person lifts away, the air bag expands, the air outside the air bag enters the air inlet section 311 through the air inlet conduit, the first ball 34 is pushed to the first limiting point 323 from the air inlet blocking section 312, the first ball 34 opens a first interface, the air inlet section 311, the air inlet blocking section 312, the first ball containing cavity section 321, the first air containing cavity connecting section 322 and the air containing, meanwhile, after the air outside the shoe enters the air outlet section, the second ball 44 is pushed to the second air outlet section from the ball cavity section, the second interface is blocked by the second ball 44, and the air outlet flow channel is closed;
after the human foot lands, the air bag is compressed, the air in the air containing inner cavity 2 enables the second ball 44 to penetrate from the second interface to the second limit point 413, the air outlet section 411, the air outlet blocking section, the second ball containing cavity section 412, the second air containing inner cavity connecting section 422 and the air containing inner cavity 2, so that the air flows out of the air bag, the damp sweat in the shoe in the air bag is extruded outside the shoe, meanwhile, the air in the air containing inner cavity 2 enables the first ball 34 to push from the first limit point 323 to the air inlet blocking section 312 to block the first interface 33, the air in the air containing inner cavity cannot enter the air inlet section 311, the sweat just pumped from the shoe is prevented from flowing back into the shoe, and the unidirectional air inlet of the air inlet channel 3 and the unidirectional air outlet of the air outlet channel 4 are achieved.
Preferably, the inlet flow channel mold core 8 comprises a first cylinder and a second cylinder, the outer diameter of the first cylinder is larger than that of the second cylinder, a circle of groove 82 is formed in the first cylinder, a first limiting hole 81 is formed in the joint of the first cylinder and the second cylinder, the inlet flow channel 3 is formed through hot die pressing after the upper mold core 8 is placed into the airbag body 1, a first interface is formed through the groove 82, and a first limiting point is formed through the first limiting hole 81.
Preferably, the air outlet flow channel mold core 9 comprises a third cylinder and a fourth cylinder, the outer diameter of the third cylinder is larger than that of the fourth cylinder, a second limiting hole 91 is formed in the third cylinder, the air outlet flow channel 4 is formed through hot pressing after the lower mold core 9 is placed into the airbag body 1, and a second limiting point 432 is formed through the second limiting hole 91.
The structure of the air inlet channel 3 and the air outlet channel 4 integrally formed with the air bag realizes the unidirectional air inlet from the air inlet channel 3 and the unidirectional air outlet from the air outlet channel 4, thereby preventing backflow, namely the air in the shoe enters the air bag, the air just sucked from the shoe cannot flow back into the shoe and can only be discharged out of the shoe, solving the problem that the air sucked by the existing air bag flows back, and effectively avoiding the defect that the air bag only realizes the air flow inside and outside the shoe but cannot really achieve the air exchange effect.
According to different requirements of users, the air inlet flow channel 3 and the air outlet flow channel 4 are exchanged, air outside the shoe is sucked into the shoe through the air bag, namely the air inlet of the air inlet flow channel 3 is inserted into the air inlet guide pipe, the air inlet guide pipe is arranged outside the shoe, the air outlet of the air outlet flow channel 4 is inserted into the air outlet guide pipe, and the air outlet guide pipe is arranged in the shoe.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (6)
1. The utility model provides a gasbag of taking a breath, includes the gasbag body, this internal appearance gas inner chamber that is equipped with of gasbag, the front end of gasbag body be equipped with hold the one-way inlet channel and the one-way runner of giving vent to anger of gas inner chamber intercommunication, its characterized in that: the airbag comprises an airbag body, a one-way air inlet channel and a one-way air outlet channel, wherein the air inlet channel is internally provided with a first ball, an air inlet blocking ring is arranged between the first ball and an air inlet, the inner diameter of the air inlet channel is larger than the diameter of the first ball, the inner diameter of the air inlet blocking ring is smaller than the diameter of the first ball, a second ball is arranged in the air outlet channel, an air outlet blocking ring is arranged between the second ball and an outlet of an air containing inner cavity, the inner diameter of the air outlet channel is larger than the diameter of the second ball, and the inner diameter of the air outlet blocking ring is smaller than the diameter of the second ball.
2. The ventilation balloon of claim 1, wherein: the air inlet channel inner wall surface is provided with a plurality of first limiting points between an inlet of the air containing inner cavity and the first ball, the first limiting points protrude out of the inner wall of the air inlet channel, the distance between the protruding top ends of the first limiting points is smaller than the diameter of the first ball, the air outlet channel inner wall surface is provided with a plurality of second limiting points between the air outlet and the second ball, the second limiting points protrude out of the inner wall of the air outlet channel, and the distance between the protruding top ends of the second limiting points is smaller than the diameter of the second ball.
3. The ventilation balloon of claim 1, wherein: the air containing inner cavity is filled with air permeable supporting filler.
4. A mold for manufacturing the ventilation balloon of claim 1, wherein: the airbag mold comprises an upper mold, a middle plate and a lower mold, wherein the middle plate is arranged between the upper mold and the lower mold, the upper mold and the lower mold are arranged in parallel and oppositely and are tightly attached to the upper surface and the lower surface of the middle plate, at least one sunken mold cavity is formed in each of the upper mold and the lower mold, the upper surface and the lower surface of the middle plate are provided with a convex upper mold core and a convex lower mold core at positions corresponding to the sunken mold cavities, the sunken mold cavities of the upper mold and the middle plate are matched with each other to form an upper mold cavity, the sunken mold cavities of the lower mold and the lower mold cores of the middle plate are matched with each other to form a lower.
5. The method of claim 4, wherein: the air bag die further comprises an air inlet flow channel die core and an air outlet flow channel die core which are matched with the air inlet flow channel reserved groove, the air inlet flow channel die core and the air outlet flow channel die core are round bars, a blocking groove is formed in each round bar, and a limiting hole is formed in one side of each blocking groove.
6. A method of manufacturing a ventilation balloon according to claim 1, characterized in that: the method comprises the following steps:
the method comprises the following steps: preheating the die: closing the upper die, the middle plate and the lower die for preheating;
step two: filling rubber materials and closing the dies: after the temperature of the mold reaches a set value, separating the upper mold, the middle plate and the lower mold, placing a lower layer of rubber material into a concave mold cavity of the lower mold, placing the middle plate on the lower mold, enabling a middle plate lower mold core to be attached to the surface of the lower layer of rubber material, placing an upper layer of rubber material onto the surface of an upper mold core of the middle plate, covering the upper mold on the middle plate, and enabling an upper cover concave mold cavity to be attached to the surface of the upper layer of rubber material;
step three: and (3) vulcanization molding: putting the mold after the mold assembly in the second step into the vulcanizing machine, starting the vulcanizing machine to assemble the mold, heating the mold according to the vulcanizing temperature preset by the vulcanizing machine, melting the upper layer rubber material and flowing to the upper sheet cavity, forming an air bag upper sheet with a front end air inlet channel and an air outlet channel preformed groove and a hemispherical concave cavity in the middle part in the upper sheet cavity, melting the lower layer rubber material and flowing to the lower sheet cavity, and forming an air bag lower sheet with a front end air inlet channel and an air outlet channel preformed groove and a hemispherical concave cavity in the middle part in the lower sheet cavity;
step four: opening the mold: the upper die and the lower die are separated and the middle plate is pulled away, and a breathable supporting material is placed in the hemispherical concave cavity of the lower air bag sheet;
step five: placing an inlet runner mold core and an outlet runner mold core into an inlet runner and outlet runner preformed groove, placing a mold with an upper mold and a lower mold which are closed into a vulcanizing machine, pressurizing and heating, hot-melting and jointing edges of an upper airbag sheet and a lower airbag sheet, and drawing the inlet runner mold core and the outlet runner mold core to prepare a basic airbag with an inlet runner and an outlet runner;
step six: and (3) respectively plugging the two beads into the air inlet flow channel and the air outlet flow channel to finish the preparation of the air bag.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010312725.XA CN111452262A (en) | 2020-04-20 | 2020-04-20 | Ventilation air bag and preparation method and mold thereof |
| PCT/CN2021/075373 WO2021212963A1 (en) | 2020-04-20 | 2021-02-05 | Ventilation air bag, and preparation method and mold therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010312725.XA CN111452262A (en) | 2020-04-20 | 2020-04-20 | Ventilation air bag and preparation method and mold thereof |
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| CN111452262A true CN111452262A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010312725.XA Pending CN111452262A (en) | 2020-04-20 | 2020-04-20 | Ventilation air bag and preparation method and mold thereof |
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| CN (1) | CN111452262A (en) |
| WO (1) | WO2021212963A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744714A (en) * | 2021-01-07 | 2021-05-04 | 威海固恒建筑机械有限公司 | Shock-proof type platform for tower crane |
| WO2021212963A1 (en) * | 2020-04-20 | 2021-10-28 | Yuan Dacai | Ventilation air bag, and preparation method and mold therefor |
| CN113635496A (en) * | 2021-10-18 | 2021-11-12 | 长沙科成高分子材料有限公司 | Thermal shrinkage core mold air bag and manufacturing process and using method thereof |
| CN115742182A (en) * | 2022-11-21 | 2023-03-07 | 启东惠达减震科技有限公司 | Plugging air bag forming device with directional demolding function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183156A (en) * | 1977-01-14 | 1980-01-15 | Robert C. Bogert | Insole construction for articles of footwear |
| CN101427858A (en) * | 2008-11-22 | 2009-05-13 | 管兴无 | Shoe sole with ventilating function and mould thereof |
| CN107791552B (en) * | 2016-09-02 | 2019-11-15 | 欣合信股份有限公司 | It is integrally formed the manufacturing method and its shoes mould equipment of tool air cushion structure shoes outsole |
| CN206880188U (en) * | 2017-06-01 | 2018-01-16 | 重庆舒舟贸易有限公司 | A kind of shoes that can be taken a breath |
| CN110667121A (en) * | 2019-09-07 | 2020-01-10 | 福建省万物智联科技有限公司 | Air bag mold and manufacturing method of air bag |
| CN111452262A (en) * | 2020-04-20 | 2020-07-28 | 袁大彩 | Ventilation air bag and preparation method and mold thereof |
| CN212171014U (en) * | 2020-04-20 | 2020-12-18 | 袁大彩 | Ventilation air bag and preparation mold thereof |
-
2020
- 2020-04-20 CN CN202010312725.XA patent/CN111452262A/en active Pending
-
2021
- 2021-02-05 WO PCT/CN2021/075373 patent/WO2021212963A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212963A1 (en) * | 2020-04-20 | 2021-10-28 | Yuan Dacai | Ventilation air bag, and preparation method and mold therefor |
| CN112744714A (en) * | 2021-01-07 | 2021-05-04 | 威海固恒建筑机械有限公司 | Shock-proof type platform for tower crane |
| CN113635496A (en) * | 2021-10-18 | 2021-11-12 | 长沙科成高分子材料有限公司 | Thermal shrinkage core mold air bag and manufacturing process and using method thereof |
| CN113635496B (en) * | 2021-10-18 | 2022-01-04 | 长沙科成高分子材料有限公司 | Thermal shrinkage core mold air bag and manufacturing process and using method thereof |
| CN115742182A (en) * | 2022-11-21 | 2023-03-07 | 启东惠达减震科技有限公司 | Plugging air bag forming device with directional demolding function |
| CN115742182B (en) * | 2022-11-21 | 2023-09-19 | 启东惠达减震科技有限公司 | Plugging air bag forming device with directional demolding function |
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|---|---|
| WO2021212963A1 (en) | 2021-10-28 |
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