Structure of PEVA film inflatable toy

Abstract

A PEVA membrane inflatable toy structure comprises a first membrane, a second membrane and a tubular gas injection membrane, the first membrane and the second membrane are arranged in parallel, a contour heat sealing line is arranged between the first membrane and the second membrane along the edge contour, the contour heat sealing line is connected with the first membrane and the second membrane to form a gas cavity, and the heat sealing contour line is provided with a gas injection notch; the tubular gas injection diaphragm is inserted into the gas cavity through the gas injection notch, the first side face and the first diaphragm are connected in a heat sealing mode through the gas injection notch, the second side face and the second diaphragm are connected in a heat sealing mode through the gas injection notch, and a heat sealing connecting line is formed. Through the arrangement of the tubular gas injection diaphragm and the design of the contour heat sealing lines and the heat sealing connecting lines between the tubular gas injection diaphragm and the first diaphragm and between the tubular gas injection diaphragm and the second diaphragm, the gas tightness is kept, meanwhile, a traditional gas nozzle structure is replaced, the size is reduced, after the toy is deflated, the first diaphragm and the second diaphragm are flattened, and the tubular gas injection diaphragm is also flattened; and the storage volume is optimized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of PEVA film inflatable toys, in particular to a structure of a PEVA film inflatable toy. BACKGROUND

[0002] Film inflatable toys are usually made of PEVA or PVC materials.

[0003] PEVA is a polyethylene-vinyl acetate material, which is a mixture of pe and eva materials, has good softness and a little elasticity, and is generally used for producing films. PEVA has the following characteristics: environmentally friendly and non-toxic, and excellent quality: using environmentally friendly materials, no toxic and harmful gases are generated during heat sealing, meeting the American FDA standard. Therefore, the present application preferably uses PEVA material to manufacture toys, which utilizes the softness and elasticity to facilitate inflation and expansion, and the heat sealing is non-toxic, which is beneficial to the manufacture of children's toys.

[0004] Polyvinyl chloride (PVC) is a material widely used for manufacturing various toys, including inflatable toys. PVC has good mechanical properties, chemical corrosion resistance and flexibility, so PVC inflatable toys are favored by manufacturers and consumers due to their durability, elasticity and cost-effectiveness. The inflatable toys on the market usually use a film sealing structure and are designed with an inflation valve to inflate or deflate the film. The existing inflation valve is basically a rubber plug or a cylindrical plug, which has some defects and problems. For example: (1) the rubber plug has the defects of insufficient air tightness and easy aging. Moreover, the traditional plug structure protrudes from the outline of the toy, which destroys the overall outline of the toy and loses the aesthetic sense of the integrated image of the toy. (2) The circular plastic plug is made of hard plastic by injection molding. Although the air tightness is acceptable, there is a great safety hazard due to the hard plastic itself, especially when it is not handled properly or swallowed by children, which can cause safety accidents such as puncture or stab.

[0005] Moreover, the existing inflatable toys are designed with a support structure in advance to form support after inflation. However, the support and the inflation valve cannot be flattened and stored after the toy is deflated, which affects the convenience of carrying the toy. In addition, the inflation valve and the support structure occupy extra space during bulk transportation, which also affects the transportation cost. SUMMARY

[0006] The present application provides a structure of a PEVA film inflatable toy to solve the above technical problems.

[0007] The technical scheme of the present application is: a structure of a PEVA film inflatable toy, comprising a first film, a second film and a tubular gas injection film, the first film and the second film are arranged in parallel between them, and a contour heat sealing line is arranged along the edge contour between them, the contour heat sealing line connects the first film and the second film to form a gas cavity, and the heat sealing contour line is provided with a gas injection gap; the tubular gas injection film is inserted into the gas cavity through the gas injection gap, and the tubular gas injection film comprises an air inlet pipe mouth portion, an air outlet pipe mouth portion, a first side and a second side.

[0008] The first side and the first film are heat sealed and connected at the gas injection gap, the second side and the second film are heat sealed and connected, a heat sealing connection line is formed, the heat sealing connection line passes through one side of the air inlet pipe mouth portion, and the air outlet pipe mouth portion is located in the gas cavity.

[0009] Further settings of the present application: the first film and the second film comprise a support portion, a reverse "V"-shaped bifurcated film is arranged between the support portions of the first film and the second film, and the bifurcated film comprises a turning portion, a first connecting edge which is heat sealed and connected with the first film, and a second connecting edge which is heat sealed and connected with the second film.

[0010] Further settings of the present application: the tubular gas injection film further comprises a middle segment connecting portion, the first side and the first film are heat sealed and connected at the middle segment connecting portion, and the second side and the second film are heat sealed and connected, a reinforced heat sealing line is formed.

[0011] The two ends of the reinforced heat sealing line are connected with the contour heat sealing lines on both sides of the gas injection gap, and form a frame structure with the heat sealing connection line at the gas injection gap.

[0012] Further settings of the present application: the air inlet pipe mouth portion is flush with the edge contour of the first film and the second film, and the air inlet pipe mouth portion is provided with an elastic body.

[0013] The present application has the following beneficial effects: 1. through the arrangement of the tubular gas injection film, and the design of the contour heat sealing line and the heat sealing connection line between the tubular gas injection film and the first film and the second film, the gas tightness is maintained, the traditional gas nozzle structure is replaced, the volume is reduced, and after the toy is deflated, the first film and the second film are flattened, the tubular gas injection film is also flattened, and the storage volume is optimized.

[0014] When the gas is injected, the tubular gas injection diaphragm is in O-shaped bulge under the effect of continuous gas injection, and the gas enters the gas cavity formed by the first diaphragm and the second diaphragm through the gas inlet pipe. When the gas injection process is completed, the tubular gas injection diaphragm loses the support force of the inner hole, and the gas in the gas cavity presses the first side and the second side of the gas outlet pipe, which drives the tubular gas injection diaphragm to flatten immediately, closes the gas passage, and forms the closure of the gas cavity, so that the toy maintains the bulge state. Compared with the traditional gas plug gas nozzle structure, the sealing is better, and there is no worry about the temporary air leakage caused by the unshielded process of closing the gas nozzle.

[0015] 2. In a further design, in order to have the support function of the bulge of the toy and the flattening function of the storage function, the utility model designs a reverse "V" type bifurcated diaphragm structure, and a hot sealing connection structure of the bifurcated diaphragm and the first diaphragm and the second diaphragm.

[0016] Under the design of the bifurcated diaphragm, as shown in the description Figure 2 , the bifurcated diaphragm expands outward and forms a support structure with the first diaphragm and the second diaphragm in the gas cavity gas injection state, and the bifurcated diaphragm loses the internal gas pressure and can be in a flat folding storage structure. Compared with the traditional preset convex support structure, the bifurcated diaphragm is more practical.

[0017] 3. In a further design of the utility model, the two ends of the reinforced hot sealing line are connected with the profile hot sealing lines on both sides of the gas injection gap, and form a frame structure with the hot sealing connection line at the gas injection gap. When the gas cavity is partially bulged, the frame structure can still be flattened, which is beneficial to the gas tightness of the tubular gas injection diaphragm, and makes the toy have bulge and flat shape change, and has more variable structure playability, rather than like a balloon that is bulged all the time. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the embodiment of the present application Figure 1 ;

[0019] Figure 2 The structure of the embodiment of the present application Figure 2 ;

[0020] Figure 3 The structure of the embodiment of the present application Figure 3 ;

[0021] Figure 4 The structure of the embodiment of the present application Figure 4 .

[0022] Among them, 1-first diaphragm, 2-second diaphragm, 3-tubular air injection diaphragm, 31-air inlet, 32-air outlet, 33-first side, 34-second side, 4-contour heat seal line, 41-air injection notch, 5-air cavity, 6-heat seal connection line, 7-branched diaphragm, 71-turning part, 72-first connecting edge, 73-second connecting edge, 8-reinforced heat seal line, 9-elastic body, 11-support part.

[0023] To better illustrate this embodiment, some parts in the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the actual size of the product. Furthermore, the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Detailed Implementation

[0024] To make the technical solution and advantages of this application clearer, the technical solution of this application will be described in a clearer and more complete manner below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of this application, and are only used to explain this application, not to limit this application. It should be noted that, for ease of description, only the parts related to this application are shown in the accompanying drawings. Other related parts can be referred to the general design. In the absence of conflict, the embodiments and technical features in the embodiments of this application can be combined with each other to obtain new embodiments.

[0025] The invention will now be described in detail with reference to the accompanying drawings, such as... Figures 1-4 As shown, the structure of a PEVA membrane inflatable toy includes a first membrane 1, a second membrane 2, and a tubular air-injection membrane 3. The first membrane 1 and the second membrane 2 are arranged in parallel, and a contour heat-sealing line 4 is provided between them along the edge contour. The contour heat-sealing line 4 connects the first membrane 1 and the second membrane 2 to form an air cavity 5. The heat-sealing contour line 4 is provided with an air injection notch 41. The tubular air-injection membrane 3 is inserted into the air cavity 5 through the air injection notch 41. The tubular air-injection membrane 3 includes an air inlet 31, an air outlet 32, a first side 33, and a second side 34.

[0026] At the gas injection notch 41, the first side 33 is heat-sealed to the first diaphragm 1 and the second side 34 is heat-sealed to the second diaphragm 2, forming a heat-sealed connection line 6. The heat-sealed connection line 6 passes through one side of the air inlet 31, and the air outlet 32 ​​is located inside the air chamber 5.

[0027] The first diaphragm 1 and the second diaphragm 2 each include a support portion 11. An inverted "V"-shaped bifurcated diaphragm 7 is provided between the support portions 11 of the first diaphragm 1 and the second diaphragm 2. The bifurcated diaphragm 7 includes a turning portion 71, a first connecting edge 72 that is heat-sealed to the first diaphragm 1, and a second connecting edge 73 that is heat-sealed to the second diaphragm 2.

[0028] The tubular gas injection diaphragm 3 further comprises a middle section connecting portion, the first side surface 33 at the middle section connecting portion is in thermal sealing connection with the first diaphragm 1, and the second side surface 34 is in thermal sealing connection with the second diaphragm 2, thereby forming a reinforcing thermal sealing line 8;

[0029] The two ends of the reinforcing thermal sealing line 8 are connected with the profile thermal sealing lines 4 on both sides of the gas injection notch 41 respectively, and form a frame structure with the thermal sealing connection line 6 at the gas injection notch 41.

[0030] The gas inlet pipe mouth portion 31 is flush with the edge profile of the first diaphragm 1 and the second diaphragm 2, and the gas inlet pipe mouth portion 31 is provided with an elastic body 9.

[0031] The utility model discloses the beneficial effects that 1. through the setting of tubular gas injection diaphragm 3, and the design of profile thermal sealing line 4, thermal sealing connection line 6 between tubular gas injection diaphragm and first diaphragm 1, second diaphragm 2, make it keep airtightness, replace traditional air nozzle structure at the same time, reduce the volume, and the first diaphragm 1, second diaphragm 2 flattening after the gas of toy, tubular gas injection diaphragm 3 also flattening along with it, optimize the storage volume.

[0032] When injecting gas, at this time, under the action of continuous gas injection, the tubular gas injection diaphragm 3 is O-shaped and bulges, and the gas enters the gas cavity 5 formed by the first diaphragm 1 and the second diaphragm 2. When the gas injection process is completed, the tubular gas injection diaphragm 3 loses the support force of the inner hole, and the gas in the gas cavity 5 presses the first side surface 33 and the second side surface 34 of the gas outlet pipe mouth portion 32, driving the tubular gas injection diaphragm 3 to flatten immediately, closing the gas passage, thereby forming the closure of the gas cavity 5, and the toy maintains the bulging state. Compared with the traditional air plug air nozzle structure, the sealing performance is better, and there is no risk of gas leakage during the closure of the air nozzle.

[0033] 2. In further design, in order to have the support function of the bulging of the toy and the storage function of flattening, the utility model designs the inverted "V" type bifurcated diaphragm 7 structure and the thermal sealing connection structure of the bifurcated diaphragm 7 with the first diaphragm 1 and the second diaphragm 2.

[0034] Under the design of the bifurcated diaphragm 7, as shown in the description Figure 2 When the gas cavity 5 is injected, the bifurcated diaphragm 7 expands outward and forms a support structure with the first diaphragm 1 and the second diaphragm 2, and in the deflated state, the bifurcated diaphragm 7 loses the internal gas pressure and can be in a flattened and folded storage structure. Compared with the traditional preset protruding support structure, the bifurcated diaphragm 7 is more practical.

[0035] 3. In the further design of the utility model, the two ends of the reinforcing heat sealing line 8 are connected with the profile heat sealing line 4 on both sides of the gas injection notch 41 respectively, and form a frame structure with the heat sealing connecting line 6 at the gas injection notch 41, so that when the gas cavity 5 is partially bulged, the frame structure can still keep flat, which is beneficial to the air tightness of the tubular gas injection diaphragm 3, and also makes the toy have bulging and flat morphological changes, and has more variable structure playability, rather than the general bulging like a balloon.

[0036] The set elastic body 9 can be an elastic plastic strip, which is attached to the air inlet pipe mouth part 31. When gas is injected, the elastic body 9 expands, and when the gas injection is finished, the elastic body 9 contracts to drive the air inlet pipe mouth part 31 to close.

[0037] Up to now, the technical scheme of the application has been described in combination with the preferred embodiments shown in the drawings, and those skilled in the art should understand that the protection scope of the application is obviously not limited to these specific embodiments. Without deviating from the principles of the application, those skilled in the art can make equivalent changes or replacements to the related technical features, and the technical scheme after the changes or replacements will fall within the protection scope of the application.

Claims

1. A structure of a PEVA film inflatable toy, characterized by: The application relates to a gas injection film, which comprises a first film sheet, a second film sheet and a tubular gas injection film sheet, the first film sheet and the second film sheet are arranged in parallel between the first film sheet and the second film sheet, and a contour heat sealing line is arranged between the first film sheet and the second film sheet along the edge contour, the contour heat sealing line connects the first film sheet and the second film sheet to form a gas cavity, and the contour heat sealing line is provided with a gas injection gap; the tubular gas injection film sheet is inserted into the gas cavity through the gas injection gap, and the tubular gas injection film sheet comprises an air inlet pipe mouth portion, an air outlet pipe mouth portion, a first side surface and a second side surface. The first side surface and the first film sheet are heat sealed and connected at the gas injection gap, the second side surface and the second film sheet are heat sealed and connected, a heat sealing connection line is formed, the heat sealing connection line passes through one side of the air inlet pipe mouth portion, and the air outlet pipe mouth portion is located in the gas cavity.

2. The structure of a PEVA film inflatable toy according to claim 1, wherein: The first film sheet and the second film sheet comprise support portions, a reverse "V"-shaped branch film sheet is arranged between the support portions of the first film sheet and the second film sheet, the branch film sheet comprises a turning portion, a first connecting edge which is heat sealed and connected with the first film sheet, and a second connecting edge which is heat sealed and connected with the second film sheet.

3. The structure of a PEVA film inflatable toy according to claim 1 or 2, characterized in that: The tubular gas injection film sheet further comprises a middle segment connecting portion, the first side surface and the first film sheet are heat sealed and connected at the middle segment connecting portion, the second side surface and the second film sheet are heat sealed and connected, and a reinforced heat sealing line is formed. Two ends of the reinforced heat sealing line are connected with the contour heat sealing lines on both sides of the gas injection gap respectively, and a frame-shaped structure is formed together with the heat sealing connection line at the gas injection gap.

4. The structure of a PEVA film inflatable toy according to claim 3, wherein: The air inlet pipe mouth portion is flush with the edge contour of the first film sheet and the second film sheet, and the air inlet pipe mouth portion is provided with an elastomer.

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