CN210527290U

CN210527290U - End sealing device of open-end sealing zipper

Info

Publication number: CN210527290U
Application number: CN201920840232.6U
Authority: CN
Inventors: 门永清; 闫志峰
Original assignee: Beijing Hangtian Hexing Technology Co ltd
Current assignee: Beijing Aerospace Hexing Technology Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-15
Anticipated expiration: 2029-06-05

Abstract

The utility model provides a sealed zip fastener end sealing device of separating tail for the sealed end of aerifing on the protection casing of sealed zip fastener, including interior welt, the locating pin, the rubber pad, the gland, sealing washer and hold-down mechanism, the locating pin equipartition is at the edge of interior welt, it is used for the locating hole that the locating pin was worn out to preset on the protection casing to aerify, interior welt passes through the rubber pad and pastes tightly with the interior surface of interior welt, the free end of locating pin is worn out after the locating hole and is supported tightly with the internal surface of gland, be equipped with the indent on the terminal surface of gland lateral wall bottom, be equipped with the appearance tooth's socket that is used for placing sealed zip fastener on the sealing washer, the structure of indent matches with the structure of sealing washer, the indent is located to the sealing washer, through hold-down mechanism zonulae. The utility model discloses sealed effectual and easy operation, it is low to various sealed auxiliary material's requirement, can also used repeatedly, reduce sealed cost.

Description

End sealing device of open-end sealing zipper

Technical Field

The utility model relates to the technical field of machining, especially, relate to a sealed zip fastener end sealing device of separating tail.

Background

When the inflatable protective cover is used, the open-end sealing zipper needs to be opened first, and the open-end sealing zipper is closed after articles to be stored are placed in the open-end sealing zipper. Because the open-end zipper is unsealed at the open-end, the end of the open-end sealing zipper must be sealed by a sealing device. As shown in figures 1-3: present sealing device includes interior welt 1, the rubber pad 2, sponge rubber board 5 and outer clamp plate 6, interior welt 1 sets up in aerifing 3 internal surfaces of protection casing, rubber pad 2 sets up in interior welt 1 and aerify between 3 internal surfaces of protection casing, sponge rubber board 5 is located aerifys 3 surfaces of protection casing and sets up around sealed zip fastener 4, sponge rubber board 5 top is located to outer clamp plate 6, will outer clamp plate 6 and sponge rubber board 5 through the screw, rubber pad 2 and interior welt 1 zonulae occludens, sealed zip fastener 4's end is located outer clamp plate 6 just, sponge rubber board 5 and the sealed space of rubber pad 2 formation. The prior art has the following defects: 1. the sealing mode is surface sealing, and the sealing effect is poor; 2. in order to ensure the sealing effect, a large force needs to be applied, so that a torque wrench needs to be used for balancing the tightening torque of the locking nut, and the operation is complicated; 3. The inner lining plate and the outer pressing plate are required to have enough rigidity, otherwise, the inner lining plate and the outer pressing plate can be deformed during the fastening process to cause the sealing failure; 4. the contact part of the sponge rubber plate and the zipper generates plastic deformation which cannot be recovered after one-time fastening and sealing, and the repeated use is difficult. There is an urgent need to improve existing sealing devices.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a sealing device for the end of a separating sealing zipper.

The utility model discloses a realize through following technical scheme:

the utility model provides a split seal zip fastener end sealing device, an end for the sealed zip fastener on the sealed protection casing of aerifing, including interior welt, the locating pin, the rubber pad, the gland, sealing washer and hold-down mechanism, the locating pin equipartition is in the edge of welt, it has the locating hole that is used for the locating pin to wear out to advance on the protection casing of aerifing, interior welt passes through the rubber pad and pastes tightly with the interior surface of welt, the free end of locating pin is worn out to support tightly with the interior surface of gland after wearing out the locating hole, be equipped with the indent on the terminal surface of gland lateral wall bottom, be equipped with the appearance tooth's socket that is used for placing sealed zip fastener on the sealing washer, the structure of indent matches with the structure of sealing washer, the indent is located to the sealing washer, through hold-down.

Preferably, the compressing mechanism is a fixing screw, the bottom end of the fixing screw is fixed with the inner lining plate, and the top end of the fixing screw extends out of the gland and then is in threaded connection with the screwing nut.

Preferably, the gland and the center of the lining plate are provided with threaded holes correspondingly, and the compressing mechanism is a screw with a screwing nut at the top end.

More preferably, the gland is one of a square, circular and rectangular gland.

Most preferably, the tooth-receiving slot is shaped like a Chinese character 'ren'.

Compared with the prior art, the utility model discloses sealed effectual and easy operation, low to various sealed auxiliary material's requirement, can also used repeatedly, reduce sealed cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a longitudinal cross-sectional view of the prior art;

FIG. 2 is a top view of the prior art;

FIG. 3 is a top view of an internal structure of the prior art;

fig. 4 is a longitudinal sectional view of the present invention;

fig. 5 is a top view of the internal structure of the present invention;

FIG. 6 is a first schematic structural view of the seal ring of FIG. 4;

fig. 7 is a structural schematic diagram of the sealing ring in fig. 4.

In the figure: 1. an inner liner plate; 11. positioning pins; 2. a rubber pad; 3. an inflatable protective cover; 4. sealing the zipper; 5. a sponge rubber plate; 6. an outer pressing plate; 7. locking the nut; 8. a gland; 81. pressing a groove; 82. a seal ring; 821. a tooth-accommodating groove; 9. and (5) screwing the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown collectively in fig. 4-7: a kind of end sealing means of the sealed zipper of the open end, the end used for 3 sealed zippers 4 on the sealed inflatable protective cover 3, including inner liner plate 1, locating pin 11, rubber pad 2, gland 8, seal ring 82 and hold-down mechanism, the inner liner plate 1 plays and bears, positions, supports the function, the rubber pad 2 assists and seals, the seal ring 82 is the main component to seal zipper 4, the gland 8 is the retainer of the seal ring 82 and transmits the pressing force required for sealing, the hold-down mechanism provides the pressing force required for sealing; the positioning pins 11 are uniformly distributed at the edge of the inner lining plate 1, positioning holes for the penetration of the positioning pins 11 are preset on the inflatable protective cover 3, the inner lining plate 1 is tightly attached to the inner surface of the inner lining plate 1 through the rubber gasket 2, the free ends of the positioning pins 11 penetrate through the positioning holes and then are tightly abutted to the inner surface of the gland 8, pressing grooves 81 are formed in the end face of the bottom end of the side wall of the gland 8, 3 tooth containing grooves 821 for containing the sealing zippers 4 are formed in the sealing ring 82, the number and the positions of the containing grooves 821 are determined according to the number and the positions of the ends of the sealing zippers 4, the structure of the pressing grooves 81 is matched with the structure of the sealing ring 82, the sealing ring 82 is arranged in the pressing grooves 81, the inner lining plate 1 is tightly connected with the gland 8 through a pressing mechanism, the top. The size of the tooth containing groove 821 is slightly smaller than that of the zipper teeth, the tooth containing groove 821 provides a zipper tooth containing space, the tooth containing groove 821 envelopes the zipper teeth of the sealing zipper 4 during sealing, and a good sealing effect can be achieved only through small pressing force.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the sealing ring 82 has a main sealing function, is approximately sealed by a line, and has a good sealing effect compared with the existing surface sealing;

2. the required sealing force is small, a torque wrench is not needed, the manual operation is labor-saving, and the use cost is low;

3. the requirement on the rigidity of the inner lining plate 1 and the gland 8 is low, and the whole sealing device is light;

4. the sealing force is small, the deformation of the sealing ring 8 and the like can not be caused, the repeated use can be realized, and the sealing performance is reliable.

As a preferred technical scheme, the utility model discloses a further embodiment, hold-down mechanism specifically is a clamping screw, and clamping screw's bottom is fixed with interior welt 1, and the top stretches out gland 8 outer back and the nut 9 threaded connection of screwing.

As a preferable technical solution, in another embodiment of the present invention, the pressing cover 8 is provided with a threaded hole corresponding to the center of the inner lining 1, and the pressing mechanism is specifically a screw having a tightening nut 9 at the top end.

As a preferred technical solution, in another embodiment of the present invention, the pressing cover 8 is one of a square, circular and rectangular pressing cover. Of course, the gland 8 may be a gland of other shapes as long as it is sufficient to seal the ends therein.

As a preferred technical solution, in another embodiment of the present invention, the tooth-receiving groove 821 is shaped like a Chinese character 'ren', and after the sealing ring is deformed by a force, the end of the Chinese character 'ren' can be embedded into the root of the sealing zipper 4, so as to seal the root of the zipper, thereby further reducing the pressing force required for sealing. Moreover, the sealing ring 82 can be made of low-hardness rubber, and the elastic deformation of the sealing ring can be recovered after the stress is relieved, so that the sealing effect is not influenced after repeated use, and the sealing performance is reliable. In the prior art, the sponge rubber plate 5 is adopted, the contact part of the sponge rubber plate and the sealing zipper 4 is subjected to plastic deformation after fastening and sealing, and the sponge rubber plate cannot be restored, so that the sealing effect is greatly influenced by repeated use.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The component structures or the connection modes not described in detail in the present invention are the prior art.

Claims

1. The utility model provides a split end sealing zipper end sealing device for the end of sealed zip fastener (4) on sealed gas-filled protection casing (3), its characterized in that: comprises an inner lining plate (1), a positioning pin (11), a rubber pad (2), a gland (8), a sealing ring (82) and a pressing mechanism, wherein the positioning pin (11) is uniformly distributed at the edge of the inner lining plate (1), a positioning hole for the penetration of the positioning pin (11) is preset on an inflatable protective cover (3), the inner lining plate (1) is tightly attached to the inner surface of the inner lining plate (1) through the rubber pad (2), the free end of the positioning pin (11) penetrates out of the positioning hole and then is tightly abutted to the inner surface of the gland (8), a pressing groove (81) is arranged on the end surface of the bottom end of the side wall of the gland (8), a tooth containing groove (821) for placing a sealing zipper (4) is arranged on the sealing ring (82), the structure of the pressing groove (81) is matched with the structure of the sealing ring (82), the sealing ring (82) is arranged in the pressing groove (81), and the, the top end of the compressing mechanism penetrates out of the gland (8) and is provided with a screwing nut (9), and the compressing mechanism is positioned in the centers of the gland (8) and the lining plate (1).

2. The end seal device of a split sealing zipper according to claim 1, wherein: the pressing mechanism is specifically a fixing screw, the bottom end of the fixing screw is fixed with the lining plate (1), and the top end of the fixing screw extends out of the gland (8) and then is in threaded connection with a screwing nut (9).

3. The end seal device of a split sealing zipper according to claim 1, wherein: the gland (8) and the center of the lining plate (1) are correspondingly provided with threaded holes, and the compressing mechanism is a screw with a screwing nut (9) at the top end.

4. The end seal device of a split sealing zipper according to any one of claims 1 to 3, wherein: the gland (8) is one of a square gland, a round gland and a rectangular gland.

5. The end seal device of a split sealing zipper according to claim 4, wherein: the tooth-containing slot (821) is shaped like a Chinese character 'ren'.