PE film sealing bottle cap

Abstract

The PE film sealing bottle cap comprises a base, a bottle support is fixedly arranged at the upper end of the base, four inserting grooves are formed in the middle of the interior of the bottle support and distributed at equal intervals, the upper ends of the inserting grooves are of an opening structure, telescopic cavities are formed in the positions, located at the front ends and the rear ends of the inserting grooves, of the bottle support, the telescopic cavities are communicated with the inserting grooves, and the telescopic cavities are communicated with the inserting grooves. A clamping plate is arranged in the telescopic cavity, the clamping plate is in sliding fit with the telescopic cavity, one end of the clamping plate extends into the inserting groove, and the problems that a clamping mechanism of the bottle body is difficult to adjust and the protection performance of the metal gasket is not good enough are solved through the structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bottle cap, specifically is a PE film bottle cap. BACKGROUND

[0002] PE film is a thermoplastic polymer polymer obtained by ethylene polymerization, has excellent mechanical strength, dielectric property and moisture resistance, can keep softness and chemical stability at low temperature, usually PE film is used to seal the bottle of strong alkali chemical reagent, and the bottle cap is also used when the chemical reagent bottle is sealed, when using, first, the PE film is placed in the reagent bottle mouth, then the metal ring is put into the bottle cap inside, finally, the bottle cap is used to compact the reagent bottle mouth, and then the reagent bottle is put into the electromagnetic induction sealing machine.

[0003] For example, the Chinese patent "a sealing device for PE film" with the announcement number CN218199155U, including feeding conveyor belt, discharge conveyor belt, intermittent conveying turnover assembly and sealing device, the intermittent conveying turnover assembly is located between feeding conveyor belt and discharge conveyor belt, the sealing device is located above intermittent conveying turnover assembly, the intermittent conveying turnover assembly includes turnover conveying disc, gap connecting disc, drive wheel, base and drive motor, the turnover conveying disc is rotationally arranged on the base, the gap connecting disc is rotationally arranged in the base, the gap connecting disc and the turnover conveying disc are connected, the drive wheel is rotationally arranged in the base, the gap connecting disc is provided with a push sliding groove, the drive wheel is provided with a push rod, the push rod is provided with a push head, the push head and the push sliding groove are slidingly connected, the drive motor is connected with the drive wheel, the sealing device includes input roller, output roller, sealing hydraulic rod and sealing device, the input roller and the output roller are located on both sides of the sealing hydraulic rod, the sealing device is hollow, the bottom of the sealing device is a ring-shaped knife edge, the sealing device is provided with a hot melting device, the hot melting device is annular, the drive wheel is provided with a drive groove, the push rod is located in the drive groove, the gap connecting disc is provided with an arc-shaped groove.

[0004] The above-mentioned prior art can realize the sealing of the reagent bottle, but in actual use, on the one hand, the clamping mechanism of the bottle body is difficult to adjust, the clamping mechanism is fixedly arranged on the device, so that the clamping mechanism is difficult to adapt to bottles of different sizes, thereby reducing the adaptability of the clamping mechanism, on the other hand, the protection of the metal gasket is not good enough, the metal gasket is usually used to position the bottle opening, so that the metal gasket is corroded after being contaminated by the chemical reagent in the bottle, thereby shortening the service life of the metal gasket, therefore, it does not meet the existing demand, for this, we propose a PE film sealing bottle cap. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose at providing a kind of PE film seal bottle cap, to solve the clamping mechanism of bottle body difficult to adjust in the background art proposed above, and the problem of not enough protection of metal gasket.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of PE film seal bottle cap, including base, the upper end of the base is fixedly arranged with bottle holder, the middle position of the inside of the bottle holder is provided with four slots, slot is equidistant distribution, and the upper end of slot is open structure, the inside of the bottle holder is provided with telescopic cavity in the inside of the front and rear end of slot, and telescopic cavity is communicated with slot, the inside of the telescopic cavity is provided with clamping plate, clamping plate is slidably connected with telescopic cavity, and one end of clamping plate extends to the inside of slot.

[0007] Preferably, the inside of the telescopic cavity one side of the bottle holder is provided with sliding slot, sliding slot is through structure, and sliding slot is communicated with telescopic cavity, the inside of the sliding slot is provided with pull rod, pull rod is slidably connected with sliding slot, one end of pull rod extends to the outside of bottle holder, and the other end of pull rod extends to the inside of telescopic cavity and is fixedly connected with clamping plate.

[0008] Preferably, one end of the clamping plate is fixedly provided with reset spring outside the pull rod, and the other end of the reset spring is fixedly connected with the inner wall of the telescopic cavity.

[0009] Preferably, the inside between the clamping plate is provided with bottle body, the upper end of bottle body extends to the upper of bottle holder, and the outside of the upper end of bottle body is screw structure, the outside of the upper end of bottle body is provided with bottle cap body, and the inner wall of bottle cap body is screw structure.

[0010] Preferably, the upper end of the inside of the bottle cap body is provided with mounting seat, and the mounting seat is connected with the bottle cap body by screwing.

[0011] Preferably, the composite corrosion-resistant gasket is composed of a metal layer, a corrosion-resistant base layer, and a corrosion-resistant reinforcing layer.

[0012] Preferably, the lower end of the inside of the slot is provided with a rubber pad, and the rubber pad is fixedly attached to the inner wall of the slot by a high-molecular adhesive.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The utility model discloses a clamping plate and reset spring can be fixed to bottle body, when carrying out bottle body fixation, the installation of bottle cap body has been completed, the pull rod of both ends is pulled, makes the pull rod drive clamping plate and move inwards in telescopic cavity, and reset spring is in compression state, until clamping plate is moved to the appropriate position, the lower end of bottle body is aligned with the opening of insertion slot and moves down at this moment, makes the lower end of bottle body enter the insertion slot, continues to make bottle body move down, until the lower end of bottle body and rubber pad contact, at this moment, the pull rod is loosened, and reset spring resets, and the force that reset spring resets drives clamping plate to move in the insertion slot, until clamping plate and bottle body side edge contact and extrude, complete the fixation of bottle body, thereby improve the adaptability of clamping structure to different size bottle body.

[0015] (2) The utility model discloses a corrosion -resistant base layer and corrosion -resistant reinforced layer can improve the protection performance of composite corrosion -resistant gasket, the corrosion -resistant base layer can improve the high temperature resistance of metal layer, and the corrosion -resistant base layer can significantly improve the stability of metal layer in high temperature environment, so that it can keep its performance under extreme high temperature conditions, and is not easy to deform, the corrosion -resistant reinforced layer can improve the corrosion resistance of metal layer, and the corrosion -resistant reinforced layer can prevent corrosive medium from penetrating into the metal layer, so that the flatness and sealing performance of the metal layer surface are maintained, which helps to ensure the sealing of the seal, and can also reduce the damage of the metal layer caused by corrosion, thereby prolonging the service life of the metal layer.

[0016] (3) The utility model discloses a mounting seat can be quickly disassembled to composite corrosion -resistant gasket, when the seal of a batch of bottle body is completed, the bottle cap body is rotated at this moment, and the bottle cap body moves upwards outside bottle body through the thread, until the bottle cap body and bottle body are separated, at this moment, the composite corrosion -resistant gasket is pressed and rotated by the operator after turning over the bottle cap body, and the composite corrosion -resistant gasket rotates in the bottle cap body with the mounting seat, the mounting seat and the composite corrosion -resistant gasket move outside the bottle cap body through the thread on the mounting seat, until the composite corrosion -resistant gasket is separated from the bottle cap body, at this moment, the operator inspects and replaces the composite corrosion -resistant gasket, so that the composite corrosion -resistant gasket is more convenient to disassemble. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the overall structure front view of the utility model;

[0018] Figure 2 It is the internal structure front view of the utility model;

[0019] Figure 3 It is the internal structure side view of the utility model;

[0020] Figure 4 It is the Figure 2 A area local amplification diagram of the utility model

[0021] Figure 5 The partial enlarged view of the composite anticorrosion layer structure of the utility model.

[0022] In the figure: 1, base; 2, bottle holder; 3, slot; 4, bottle body; 5, bottle cap body; 6, pull rod; 7, telescopic cavity; 8, clamping plate; 9, rubber pad; 10, return spring; 11, sliding groove; 12, mounting seat; 13, composite anticorrosion gasket; 1301, metal layer; 1302, anticorrosion base layer; 1303, anticorrosion reinforcing layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a PE film sealing bottle cap, including base 1, the upper end of base 1 is fixedly provided with bottle holder 2, the middle position of bottle holder 2 inside is provided with four slots 3, slot 3 is equidistant distribution, and the upper end of slot 3 is open structure, bottle body 4 is provided in the inside between clamping plate 8 of slot 3, the upper end of bottle body 4 extends to the above of bottle holder 2, and the outside of the upper end of bottle body 4 is screw structure, bottle cap body 5 is connected in the outside of the upper end of bottle body 4, the inner wall of bottle cap body 5 is screw structure, rubber pad 9 is provided in the lower end of slot 3 inside, rubber pad 9 is pasted and fixed with the inner wall of slot 3 through high molecule adhesive, and the upper end of rubber pad 9 is in contact with bottle body 4.

[0025] Please refer to Figure 2 And Figure 3 The inside of bottle holder 2 at the front and rear end of slot 3 is provided with telescopic cavity 7, and telescopic cavity 7 is communicated with slot 3, the inside of telescopic cavity 7 is provided with clamping plate 8, clamping plate 8 is slidably connected with telescopic cavity 7, and one end of clamping plate 8 extends to the inside of slot 3, the inside of one side of bottle holder 2 at telescopic cavity 7 is provided with sliding groove 11, sliding groove 11 is through -type structure, and sliding groove 11 is communicated with telescopic cavity 7, the inside of sliding groove 11 is provided with pull rod 6, pull rod 6 is slidably connected with sliding groove 11, one end of pull rod 6 extends to the outside of bottle holder 2, and the other end of pull rod 6 extends to the inside of telescopic cavity 7 and is fixedly connected with clamping plate 8, one end of clamping plate 8 at the outside of pull rod 6 is fixedly provided with return spring 10, the other end of return spring 10 is fixedly connected with the inner wall of telescopic cavity 7, so as to be convenient for fixing bottle body 4 through clamping plate 8.

[0026] Please refer to Figure 3 、 Figure 4 And Figure 5The upper end of the bottle cap body 5 is provided with a mounting seat 12, the mounting seat 12 is connected with the bottle cap body 5 through threads, the lower end of the mounting seat 12 is provided with a composite corrosion-resistant gasket 13, the composite corrosion-resistant gasket 13 is fixedly attached with the mounting seat 12 through a high-molecular adhesive, the composite corrosion-resistant gasket 13 is composed of a metal layer 1301, a corrosion-resistant base layer 1302 and a corrosion-resistant reinforcing layer 1303, the metal layer 1301 is arranged at the lower end of the mounting seat 12, the corrosion-resistant base layer 1302 is arranged outside the metal layer 1301, and the corrosion-resistant reinforcing layer 1303 is arranged outside the corrosion-resistant base layer 1302, wherein the metal layer 1301 is made of metal material, the corrosion-resistant base layer 1302 is made of Teflon high-temperature adhesive tape, and the corrosion-resistant reinforcing layer 1303 is made of polyethylene material, so as to improve the protection performance of the metal gasket through the corrosion-resistant reinforcing layer 1303 and the corrosion-resistant base layer 1302.

[0027] Working principle: when the bottle body 4 is fixed, the installation of the bottle cap body 5 is completed, the pull rod 6 at both ends is pulled, the pull rod 6 drives the clamping plate 8 to move inward in the telescopic cavity 7, and the reset spring 10 is in a compressed state, until the clamping plate 8 is moved to a proper position, at this time, the lower end of the bottle body 4 is aligned with the opening of the insertion slot 3 and is moved downward, so that the lower end of the bottle body 4 enters the insertion slot 3, the bottle body 4 is continuously moved downward, until the lower end of the bottle body 4 contacts the rubber pad 9, at this time, the pull rod 6 is loosened, the reset spring 10 is reset, the force generated by the reset of the reset spring 10 drives the clamping plate 8 to move into the insertion slot 3, until the clamping plate 8 contacts and is pressed against the side edge of the bottle body 4, the fixation of the bottle body 4 is completed, when the sealing of a batch of bottle bodies 4 is completed, at this time, the bottle cap body 5 is rotated, the bottle cap body 5 is moved upward outside the bottle body 4 through threads, until the bottle cap body 5 is separated from the bottle body 4, at this time, the composite corrosion-resistant gasket 13 is pressed and rotated by the operator after the bottle cap body 5 is turned over, so that the composite corrosion-resistant gasket 13 is rotated together with the mounting seat 12 in the bottle cap body 5, through the threads on the mounting seat 12, the mounting seat 12 and the composite corrosion-resistant gasket 13 are moved together to the outside of the bottle cap body 5, until the composite corrosion-resistant gasket 13 is separated from the inside of the bottle cap body 5, at this time, the operator inspects and replaces the composite corrosion-resistant gasket 13.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A PE film sealing bottle cap comprising a base (1), characterized in that: The upper end of the base (1) is fixedly provided with a bottle holder (2), four insertion slots (3) are arranged at the middle position inside the bottle holder (2), the insertion slots (3) are equidistantly distributed, the upper end of the insertion slot (3) is of an open structure, the inside of the bottle holder (2) at the front and rear ends of the insertion slot (3) is provided with a telescopic cavity (7) which is in communication with the insertion slot (3), the inside of the telescopic cavity (7) is provided with a clamping plate (8) which is in sliding fit with the telescopic cavity (7) and extends to the inside of the insertion slot (3) at one end.

2. The PE film sealed bottle cap according to claim 1, characterized in that: The inside of the telescopic cavity (7) at one side of the bottle holder (2) is provided with a sliding groove (11) which is of a through structure and is in communication with the telescopic cavity (7), the inside of the sliding groove (11) is provided with a pull rod (6) which is in sliding fit with the sliding groove (11), one end of the pull rod (6) extends to the outside of the bottle holder (2), and the other end of the pull rod (6) extends to the inside of the telescopic cavity (7) and is fixedly connected with the clamping plate (8).

3. The PE film sealed bottle cap according to claim 2, characterized in that: One end of the clamping plate (8) outside the pull rod (6) is fixedly provided with a reset spring (10), the other end of the reset spring (10) is fixedly connected with the inner wall of the telescopic cavity (7).

4. The PE film sealed bottle cap according to claim 3, characterized in that: The inside of the insertion slot (3) between the clamping plates (8) is provided with a bottle body (4), the upper end of the bottle body (4) extends above the bottle holder (2), and the outside of the upper end of the bottle body (4) is of a threaded structure, the outside of the upper end of the bottle body (4) is sleeved with a bottle cap body (5), and the inner wall of the bottle cap body (5) is of a threaded structure.

5. The PE film sealed bottle cap according to claim 4, characterized in that: The upper end of the inside of the bottle cap body (5) is provided with a mounting seat (12) which is connected with the bottle cap body (5) through threads, the lower end of the mounting seat (12) is provided with a composite corrosion-resistant gasket (13) which is fixedly pasted with the mounting seat (12) through a high-molecular adhesive.

6. The PE film sealed bottle cap according to claim 5, characterized in that: The composite corrosion-resistant gasket (13) is composed of a metal layer (1301), a corrosion-resistant base layer (1302) and a corrosion-resistant reinforcing layer (1303), the metal layer (1301) is arranged at the lower end of the mounting seat (12), the corrosion-resistant base layer (1302) is arranged outside the metal layer (1301), and the corrosion-resistant reinforcing layer (1303) is arranged outside the corrosion-resistant base layer (1302).

7. The PE film sealed bottle cap according to claim 6, characterized in that: The lower end of the inside of the insertion slot (3) is provided with a rubber pad (9) which is fixedly pasted with the inner wall of the insertion slot (3) through a high-molecular adhesive, and the upper end of the rubber pad (9) is in contact with the bottle body (4).

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