Cold and hot compress bag with concave cover

Abstract

The utility model relates to a cold and hot compress bag with a concave cover, which comprises a bag body provided with an injection port, and an internal thread is arranged in the injection port; the outer wall of the cover is provided with external threads used for being matched with the internal threads in the injection opening, the cover is screwed in the injection opening through the external threads and the internal threads in the injection opening, the upper surface of the cover is provided with an inner groove, and a handle part is arranged in the inner groove. The cover has the advantages that the handle portion of the cover is designed to be in an inward-concave type, the handle portion can protrude out of the cover as little as possible or even does not protrude out of the cover while the cover can be conveniently rotated through the handle portion, after the cover is matched with the cold and hot compress bag with the injection opening flush with or inward concave in the bag body, the whole cold and hot compress bag is not provided with a special protruding portion, use experience is better, and the appearance is more attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of cold and hot compress bags, in particular to a cold and hot compress bag with an inwardly concave cover. Background Art

[0002] The injection port of the hot or cold compress bag is sealed by a lid 2, which is threadedly matched with the injection port. The lid 2 includes a lid ring portion 2-2, and an outer wall of the lid ring portion 2-2 has an outer thread 4 for matching with the inner thread in the injection port. In order to facilitate the rotation operation of the lid 2, a rotating operation structure for rotating the lid 2 also needs to be designed on the upper surface of the lid 2.

[0003] According to different rotating operation structures, in the prior art, the cover 2 of the cold or hot compress bag has the following three types.

[0004] The first type of hot and cold compress bag cover 2 Figure 1 As shown, a handle portion 2-4 for rotating the cover 2 is provided on the upper surface of the cover 2. The high protruding handle portion 2-4 is not only unfavorable for the appearance, but also affects the use experience of hot and cold compresses.

[0005] The second type of hot and cold compress bag cover 2 is as follows Figure 2 and 3 As shown, the bottom of the handle portion 2-4 is hingedly connected to the lid 2. When the lid 2 does not need to be rotated, the handle portion 2-4 can be folded to one side to reduce the height of the lid 2 protruding from the bag body. Although the handle portion 2-4 of this lid 2 can be folded when not in use, the hinged design makes the structure of the lid 2 complicated, reduces reliability, and increases cost.

[0006] The third type of hot and cold compress bag cover 2 is as follows Figure 4 As shown, there is a radially protruding partial protrusion on the outer side of the cover 2, which is convenient for rotating the cover 2 by grasping the partial protrusion. The rotation operation position of this cover 2 is located on the side of the cover 2, and it can only be adapted to the cold and hot compress bag whose injection port protrudes from the bag body. If the injection port is flush or substantially flush with the bag body, it will be difficult to grasp the partial protrusion on the outer side of the cover 2, and then it will be difficult to rotate the cover 2. Utility Model Content

[0007] The technical problem to be solved by the utility model is that: the lid of the existing hot and cold compress bag has a high erected handle part for rotating the lid, and the high protruding handle part not only affects the user experience of the hot and cold compress bag, but also is not conducive to the appearance.

[0008] The technical solution adopted by the utility model to solve its technical problems is: a hot and cold compress bag with an inwardly concave lid, comprising: a bag body, the bag body having an injection port, the injection port having an internal thread; a lid, the outer wall of the lid having an external thread for matching with the internal thread in the injection port, the lid being screwed into the injection port via the external thread and the internal thread, the upper surface of the lid having an internal groove, the internal groove having a handle portion.

[0009] It is further defined that the lid includes a cover ring portion, an end cover portion and a handle portion, the cover ring portion is in a circular ring shape, the external thread is located on the outer wall of the cover ring portion, and the end cover portion is located in the inner hole of the cover ring portion, while closing the inner hole of the cover ring portion, separating an inner groove in the inner hole of the cover ring portion.

[0010] It is further defined that the upper end of the outer wall of the cover ring portion has a flange protruding outward, which contacts and seals with the bag body when the cover is tightened.

[0011] It is further defined that the handle portion is a straight or curved flat handle extending upward from the bottom of the inner groove.

[0012] It is further defined that two ends of the handle portion are connected to the inner wall of the inner groove as a whole.

[0013] It is further defined that the center of the inner groove, the center of the handle portion and the rotation center of the cover are concentric.

[0014] It is further defined that the handle portion is a straight flat handle extending upward from the bottom of the inner groove, dividing the inner cavity of the inner groove into two independent and symmetrical inner cavity.

[0015] It is further defined that the cover ring portion, the end cover portion and the handle portion are in an inseparable integral form.

[0016] It is further defined that the handle portion has a hollow inner cavity, and the opening of the hollow inner cavity is located on the lower surface of the end cover portion.

[0017] It is further defined that the hollow inner cavity also has reinforcing ribs.

[0018] The beneficial effects of the utility model are as follows: the handle portion of the lid is designed to be concave, so that while the lid can be rotated conveniently by the handle portion, the handle portion can protrude as little as possible or even not protrude from the lid, and after being adapted to a hot or cold compress bag with an injection port flush with or concave in the bag body, the hot or cold compress bag as a whole has no particularly protruding parts, resulting in a better user experience and a more beautiful appearance; in order to set an external thread, the lid of the hot or cold compress bag must have a cover ring portion of sufficient height, and the design of the utility model fully utilizes the inner hole space of the cover ring portion, has a reasonable structure, and is convenient for injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0020] Figure 1 It is a schematic diagram of the structure of the first type of cover in the prior art;

[0021] Figure 2 It is a structural schematic diagram of a handle portion of a second type of lid in the prior art in an open state;

[0022] Figure 3 It is a schematic diagram of the structure of the handle portion of the second lid in the prior art in a folded state;

[0023] Figure 4 It is a structural schematic diagram of a third type of lid in the prior art;

[0024] Figure 5 It is a structural schematic diagram of the lid of the utility model in a three-dimensional perspective;

[0025] Figure 6 It is a structural schematic diagram of the cover of the utility model in another three-dimensional perspective;

[0026] Figure 7 It is a schematic diagram of the structure of the lid of the utility model from a top view;

[0027] Figure 8 yes Figure 7 AA section view;

[0028] Fig. 9 It is a structural schematic diagram of a cold or hot compress bag equipped with a cover of the utility model;

[0029] In the figure, 1. bag body, 2. lid, 2-1. inner groove, 2-2. lid ring, 2-3. end cover, 2-4. handle, 2-4-1. hollow inner cavity, 2-5. flange, 3. reinforcing ribs, 4. external thread, 5. sealing convex ring. DETAILED DESCRIPTION

[0030] like Figures 5 to 9 As shown, a hot or cold compress bag with an inner concave lid comprises: a bag body 1, the bag body 1 has an injection port, and the injection port has an internal thread; a lid 2, the outer wall of the lid 2 has an external thread 4 for matching with the internal thread in the injection port, the lid 2 is screwed into the injection port through the external thread 4 and the internal thread in the injection port, the upper surface of the lid 2 has an inner groove 2-1, and the inner groove 2-1 has a handle portion 2-4.

[0031] The lid 2 includes a lid ring portion 2-2, an end cover portion 2-3 and a handle portion 2-4. The lid ring portion 2-2 is in a circular ring shape. The external thread 4 is located on the outer wall of the lid ring portion 2-2. The end cover portion 2-3 is located in the inner hole of the lid ring portion 2-2. While closing the inner hole of the lid ring portion 2-2, an inner groove 2-1 is separated in the inner hole of the lid ring portion 2-2.

[0032] The upper end of the outer wall of the cover ring part 2-2 has a flange 2-5 protruding outward. When the cover 2 is tightened, a contact seal is formed between the lower surface of the flange 2-5 and the bag body 1. The lower surface of the flange 2-5 has a sealing convex ring 5 to ensure the sealing effect.

[0033] The handle portion 2-4 is a straight or curved flat handle extending upward from the bottom of the inner groove 2-1. Figures 5 to 9 The handle portion 2-4 shown in the figure is a straight flat handle, and the top of the handle portion 2-4 slightly protrudes from the upper end of the cover ring portion 2-2.

[0034] Preferably, both ends of the handle portion 2-4 are connected to the inner wall of the inner groove 2-1 as a whole. The center of the inner groove 2-1, the center of the handle portion 2-4 and the rotation center of the lid 2 are concentric. The straight flat handle portion divides the inner cavity of the inner groove 2-1 into two independent and symmetrical inner cavities.

[0035] The cover ring portion 2-2, the end cover portion 2-3 and the handle portion 2-4 are indivisible and integrally formed and can be integrally formed by injection molding.

[0036] exist Figures 5 to 8 In the embodiment, the handle portion 2-4 has a hollow inner cavity 2-4-1, and the opening of the hollow inner cavity 2-4-1 is located on the lower surface of the end cover portion 2-3.

[0037] The hollow inner cavity 2-4-1 also has vertical reinforcing ribs 3 for reinforcing the strength of the hollow handle portion 2-4.

[0038] Fig. 9 The outer end of the injection port of the bag body 1 of the utility model is flush with the outer wall of the bag body 1, and is used for hanging around the neck to apply cold or hot compress to the neck. The cold and hot compress bag has no particularly protruding parts as a whole, which provides a better user experience and a more beautiful appearance. The injection port of the bag body 1 can also be recessed in the outer wall of the bag body 1.

[0039] The hot and cold compress bag with an injection port of the utility model is also called a hot and cold compress water bag, a hot water bag or a cold compress ice bag. The hot and cold compress bag is injected with cold water or an ice water mixture, a phase change material, or hot water through the injection port to perform a cold compress or a hot compress. The phase change material filled in the cold compress ice bag can absorb heat and become liquid after contacting the human body temperature, thereby achieving a cooling effect. After cooling in a refrigerator or air-conditioning environment, it can become solid again to store cold energy.

[0040] The above embodiments are only preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

[0041] For example, the two ends of the handle portion 2-4 are not connected to the inner wall of the inner groove 2-1, and are disconnected from each other. For another example, the handle portion 2-4 is not hollow, and so on.

Claims

1. A hot or cold compress bag with a concave cover, characterized in that: include: A bag body (1), wherein the bag body (1) has an injection port, and the injection port has an internal thread; A cover (2), wherein the outer wall of the cover (2) is provided with an external thread (4) for cooperating with the internal thread in the injection port, the cover (2) is screwed into the injection port via the external thread (4) and the internal thread, the upper surface of the cover (2) is provided with an internal groove (2-1), and the internal groove (2-1) is provided with a handle portion (2-4).

2. The hot and cold compress bag with a concave cover according to claim 1, characterized in that: The lid (2) comprises a lid ring portion (2-2), an end cover portion (2-3) and the handle portion (2-4). The cover ring portion (2-2) is in the shape of a circular ring, and the external thread (4) is located on the outer wall of the cover ring portion (2-2). The end cover portion (2-3) is located in the inner hole of the cover ring portion (2-2), and while closing the inner hole of the cover ring portion (2-2), an inner groove (2-1) is separated in the inner hole of the cover ring portion (2-2).

3. The hot and cold compress bag with a concave cover according to claim 2, characterized in that: The upper end of the outer wall of the cover ring portion (2-2) is provided with a flange (2-5) protruding outwards.

4. The hot and cold compress bag with a concave cover according to claim 1, characterized in that: The handle portion (2-4) is a straight or curved flat handle extending upward from the bottom of the inner groove (2-1).

5. The hot and cold compress bag with a concave cover according to claim 1, characterized in that: Both ends of the handle portion (2-4) are integrally connected to the inner wall of the inner groove (2-1).

6. The hot and cold compress bag with a concave cover according to claim 1, characterized in that: The center of the inner groove (2-1), the center of the handle portion (2-4) and the rotation center of the cover (2) are concentric.

7. The hot and cold compress bag with a concave cover according to claim 1, characterized in that: The handle portion (2-4) is a straight flat handle, extending upward from the bottom of the inner groove (2-1) to divide the inner cavity of the inner groove (2-1) into two independent and symmetrical inner cavities.

8. The hot and cold compress bag with a concave cover according to claim 2, characterized in that: The cover ring portion (2-2), the end cover portion (2-3) and the handle portion (2-4) are in an inseparable integrated form.

9. The hot and cold compress bag with a concave cover according to claim 2, characterized in that: The handle portion (2-4) has a hollow inner cavity (2-4-1), and the opening of the hollow inner cavity (2-4-1) is located on the lower surface of the end cover portion (2-3).

10. The hot and cold compress bag with a concave cover according to claim 9, characterized in that: The hollow inner cavity (2-4-1) also has reinforcing ribs (3).

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