CN211843547U

CN211843547U - Heat-preserving plastic bag

Info

Publication number: CN211843547U
Application number: CN202020356147.5U
Authority: CN
Inventors: 尤燕滨
Original assignee: Fujian Yangqiang Plastic Products Co ltd
Current assignee: Fujian Yangqiang Plastic Products Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-03
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to a plastic bag production field especially relates to a but heat retaining plastic bag. The to-be-solved technical problem of the utility model is to provide a can reduce food heat cooling rate, avoid producing the plastic bag of too much steam drop of water simultaneously. A heat-insulating plastic bag comprises a bag body, a plastic ring and a pull rope, wherein the bag body is composed of a plastic film layer, a tin paper layer and a fiber layer, the plastic ring is fixedly connected to a bag opening of the bag body, a hidden hole is formed in the plastic ring, and the pull rope surrounds the plastic ring through the hidden hole. The utility model discloses reached and to have reduced food heat cooling rate, avoided producing the effect of too much steam drop of water simultaneously.

Description

Heat-preserving plastic bag

Technical Field

The utility model relates to a plastic bag production field especially relates to a but heat retaining plastic bag.

Background

The plastic bag is a bag made of plastic as a main raw material, is an essential article in daily life of people, and is often used for containing other articles. The usage of plastic bag is diversified, the used plastic bag of article through the splendid attire difference is also different, for example when some very hot food of cooking finish just in splendid attire, used plastic bag, do not have the heat preservation effect, at the in-process of carrying food, the heat of food dissipates easily, lead to food to cool off, influence food taste, and produce the drop of water and adsorb at the plastic bag inner wall because of vapor in the plastic bag easily, influence pleasing to the eye and use the sense of touch, consequently need urgently to develop one kind and can reduce food heat cooling rate, avoid producing the plastic bag of too much steam drop of water simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome when some foods that finish cooking and finish very scalding just at the splendid attire, used plastic bag does not have the heat preservation effect, at the in-process of carrying food, and the heat of food dissipates easily, leads to food to cool off, influences the food taste, and produces the drop of water absorption at the plastic bag inner wall because of vapor easily in the plastic bag, influences pleasing to the eye and uses the shortcoming of sense of touch, the to-be-solved technical problem of the utility model is to provide a can reduce food heat cooling rate, avoid producing the plastic bag of too much steam drop of water simultaneously.

The utility model is achieved by the following concrete technical means:

a heat-insulating plastic bag comprises a bag body, a plastic ring and a pull rope, wherein the bag body is composed of a plastic film layer, a tin paper layer and a fiber layer, the plastic ring is fixedly connected to a bag opening of the bag body, a hidden hole is formed in the plastic ring, and the pull rope surrounds the plastic ring through the hidden hole.

Furthermore, the heat-insulating plastic bag also comprises a vertical disc; the vertical disc is fixedly connected with the outer bottom surface of the bag body.

Furthermore, the vertical disc comprises an inner cover and an outer cover; the inner bottom surface of the inner cover is fixedly connected with the outer bottom surface of the bag body, and the inner wall of the inner cover is provided with internal threads; the outer wall of the outer cover is provided with external threads, and the outer cover is in threaded connection with the inner cover through the external threads.

Furthermore, the heat-insulating plastic bag also comprises a guide hole; the inner cover is also provided with a guide hole.

Furthermore, the plastic ring is made of nylon.

Furthermore, the bag body is made of polypropylene.

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

the utility model achieves the effect of reducing the cooling speed of the heat of food and avoiding generating excessive steam water drops, after the meal box containing food is put into the plastic bag, the plastic ring is tightened up by pulling the pull rope, thereby closing the bag opening of the bag body and knotting the pull rope, thereby avoiding the meal box from falling out of the bag body at will, when the meal box is positioned in the plastic bag, because the material of the bag body is composed of three layers, the inner wall of the bag body contacting the meal box is a fiber layer, which has the effect of absorbing water, the heat of the scalded meal box and the food can generate steam while emitting the heat, the temperature of the steam is higher, when a low-temperature object is condensed into water, the air with the temperature lower than that of the steam can be condensed into water drops to be absorbed in the bag, therefore, the fiber layer is arranged to absorb the water drops, the layer below the fiber layer is a tin paper layer, the tin paper is divided into a photosensitive surface and, the photosensitive surface has good heat absorption performance, the matt surface has good heat preservation effect, so that the effect of heat preservation can be achieved, the outermost layer of the bag body is a plastic film layer, the phenomenon that the outside is wetted by rainwater in rainy days can be avoided, and meanwhile, the effect of protecting the tin paper layer is also achieved.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the material structure of the bag body of the present invention.

Fig. 3 is a schematic view of a second three-dimensional structure of the present invention.

Fig. 4 is a schematic view of a first three-dimensional structure of the vertical tray of the present invention.

Fig. 5 is a schematic view of a second three-dimensional structure of the vertical tray of the present invention.

The labels in the figures are: the packaging bag comprises a bag body, 101-a plastic film layer, 102-a tinfoil layer, 103-a fiber layer, 2-a plastic ring, 3-a pull rope, 4-a vertical disc, 41-an inner cover, 42-an external thread, 43-an outer cover, 44-an internal thread and 5-a guide hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

examples

A heat-insulating plastic bag is shown in figures 1-5 and comprises a bag body 1, a plastic ring 2 and a pull rope 3, wherein the bag body 1 is composed of a plastic film layer 101, a tinfoil layer 102 and a fiber layer 103, the plastic ring 2 is fixedly connected to the opening of the bag body 1, a hidden hole is formed in the plastic ring 2, and the pull rope 3 surrounds the plastic ring 2 through the hidden hole.

The heat-insulating plastic bag also comprises a vertical disc 4; the vertical disc 4 is fixedly connected with the outer bottom surface of the bag body 1.

The vertical disc 4 comprises an inner cover 41 and an outer cover 43; the inner bottom surface of the inner cover 41 is fixedly connected with the outer bottom surface of the bag body 1, and the inner wall of the inner cover 41 is provided with an internal thread 44; the outer wall of the outer cover 43 is provided with external threads 42, and the outer cover 43 is screwed with the inner cover 41 through the external threads 42.

The heat-insulating plastic bag also comprises a guide hole 5; the inner cover 41 is also provided with a guide hole 5.

The plastic ring 2 is made of nylon.

The bag body 1 is made of polypropylene.

The catering personnel puts the food which is just cooked into the lunch box, then puts the lunch box into the plastic bag for containing, after putting into the bag body 1, the plastic ring 2 is tightened by pulling the pull rope 3, thereby closing the bag opening of the bag body 1, and knotting the pull rope 3, so as to prevent the lunch box from falling out of the bag body 1 at will, when the lunch box is positioned in the plastic bag, because the material of the bag body 1 is composed of three layers, the inner wall of the bag body 1 contacting with the lunch box is a fiber layer 103, the fiber layer 103 has the effect of absorbing water, the scalded lunch box and food can generate water vapor while dissipating heat, the water vapor has higher temperature when encountering low-temperature objects and can be condensed into water, therefore, the air with the temperature lower than the water vapor can be condensed into water beads to be adsorbed in the bag, the fiber layer 103 is arranged to adsorb the water beads, the next layer of the fiber layer 103 is a tin paper layer 102, the tinfoil is divided into a photosensitive surface and a matte surface, the photosensitive surface has good heat absorption performance, the matte surface has a good heat preservation effect, and therefore the effect of heat preservation can be achieved, the plastic film layer 101 is arranged on the outermost layer of the bag body 1, the situation that the outside is wetted by rainwater in rainy days can be avoided, and meanwhile the effect of protecting the tinfoil layer 102 is achieved.

Wherein, the heat-insulating plastic bag also comprises a vertical disc 4; the vertical disc 4 is fixedly connected with the outer bottom surface of the bag body 1; the vertical disc 4 is arranged to be convenient for placing the plastic bag horizontally, namely, the common plastic bag cannot be placed on a plane straightly, and the plastic bag can be placed on the plane horizontally through the vertical disc 4.

Wherein, the vertical disc 4 comprises an inner cover 41 and an outer cover 43; the inner bottom surface of the inner cover 41 is fixedly connected with the outer bottom surface of the bag body 1, and the inner wall of the inner cover 41 is provided with an internal thread 44; the outer wall of the outer cover 43 is provided with an external thread 42, and the outer cover 43 is screwed with the inner cover 41 through the external thread 42; the vertical disc 4 is provided with an inner cover 41 and an outer cover 43, the outer cover 43 is arranged on the outer bottom surface of the inner cover 41 through an internal thread 44 when the plastic bag is not needed to be used, at the moment, a user can fold the bag body 1 and the pull rope 3 and put the bag body into the inner cover 41, then the outer cover 43 is screwed out and covered on the top surface of the inner cover 41, and the outer cover is screwed through the internal thread 44, so that the bag body 1 is taken into the inner cover 41 and closed, the effect of convenient recovery is achieved, the outer cover 43 is screwed out when the plastic bag is needed to be used, the using frequency of the plastic bag.

Wherein, the heat-insulating plastic bag also comprises a guide hole 5; the inner cover 41 is also provided with a guide hole 5; after the guide hole 5 is provided, the bag body 1 can be placed on the inner lid 41, and the pull rope 3 can be pulled out through the guide hole 5, so that a suspended rope is formed, the box with the inner lid 41 and the outer lid 43 closed is suspended and placed, and the functionality is improved.

Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.

Claims

1. The utility model provides a plastic bag that can keep warm, its characterized in that, including bag body (1), plastic ring (2) and stay cord (3), wherein bag body (1) comprises plastic film layer (101), tin paper layer (102) and fibrous layer (103), and plastic ring (2) rigid coupling is in the sack of bag body (1), and has seted up the hiding hole in plastic ring (2), and stay cord (3) encircle plastic ring (2) through the hiding hole.

2. An insulated plastic bag according to claim 1, characterized in that it further comprises a standing disc (4); the vertical disc (4) is fixedly connected with the outer bottom surface of the bag body (1).

3. An insulating plastic bag according to claim 1, characterized in that the standing disc (4) comprises an inner cover (41) and an outer cover (43); the inner bottom surface of the inner cover (41) is fixedly connected with the outer bottom surface of the bag body (1), and an inner thread (44) is arranged on the inner wall of the inner cover (41); the outer wall of the outer cover (43) is provided with an external thread (42), and the outer cover (43) is in threaded connection with the inner cover (41) through the external thread (42).

4. An insulated plastic bag according to claim 1, characterized in that the insulated plastic bag further comprises guide holes (5); the inner cover (41) is also provided with a guide hole (5).

5. An insulating plastic bag according to claim 1, characterized in that the plastic ring (2) is made of nylon.

6. An insulating plastic bag according to claim 1, characterized in that the material of the bag body (1) is polypropylene.