TW201934041A - Backpack that allows air to flow toward the back of the user by squeezing a main body, so as to achieve an effect of heat dissipating - Google Patents

Abstract

A backpack comprises a bag body, at least a back strap, and an air pump. The bag body is used for receiving objects. The back strap is disposed on the bag body. The air pump is disposed on the bag body and is located between the back of a user and the bag body when the user is using the backpack. The air pump comprises a main body having elasticity and the main body has a first side part and a second side part opposite to each other. The first side part and the second side part define therebetween an air chamber and the first side part is formed with multiple air holes communicating with the air chamber and the outside. The main body further has multiple elastic parts connecting the first side part and the second side part. With the design of the main body having elasticity, being hollow, and having multiple air holes, the user may drive air to flow toward the back of the user by squeezing the main body, so as to achieve an effect of heat dissipating.

Description

backpack

The present invention relates to a backpack; in particular, it relates to a backpack having an air pump.

Backpack is a tool used to carry items. Because it has both flexibility and convenience, and the weight of the items carried in the backpack can be distributed to the user's shoulders through the shoulder strap, the effect of reducing the burden is achieved. Favorite and used, whether it is work, classes for the general public, or engaging in activities such as mountain climbing, rock climbing, etc., backpacks have become people's first choice.

However, backpacks still have their disadvantages. If the user carries the backpack for too long, and the user's back leans against the backpack for a long time, it will not only cause the user's back to be unventilated and feel hot and uncomfortable. In addition, the moisture generated by sweating is easy to accumulate and use The user's back may even cause adverse reactions on the user's skin, such as rashes.

In order to solve the above problem, some operators have provided a plurality of rib-shaped raised structures on the back of the backpack to contact the user's back, in an attempt to allow the sweat on the user's back to evaporate from the gaps between the raised structures. Restrictions on natural air movement are not effective.

In view of this, the object of the present invention is to provide a backpack, which includes an air pump that can provide airflow to the user's back to achieve the effect of eliminating sweatiness.

In order to achieve the above object, a backpack provided by the present invention includes: a bag body for accommodating articles; at least one strap with two ends disposed on the bag body; and an air pump provided on the bag body. When the user uses the backpack, it is located between the user's back and the bag body; the air pump includes an elastic body, wherein the body has a first side portion and a second side portion opposite to each other, and the second A side portion is located between the bag body and the first side portion; an air chamber is formed between the first side portion and the second side portion, and the first side portion is formed with a plurality of communicating the air chamber and the outside. Air holes; the body further has a plurality of elastic portions located in the air chamber and connecting the first side portion and the second side portion. .

The effect of the present invention is that the body of the air pump is elastic, hollow, and has a plurality of air holes, so that when a user uses a backpack, the back and the bag body squeeze the body, so that the airflow is squeezed out of the body and flows to the body. The back of the user can take away the sweat from the back of the user. Even if the user walks and carries a backpack for a long time, the back can still maintain ventilation, so that the user will not feel stuffy.

In order to explain the present invention more clearly, several preferred embodiments are described in detail below with reference to the drawings. Referring to FIG. 1 and FIG. 2, a backpack according to a first preferred embodiment of the present invention includes a bag body 1 for containing articles, at least one strap 2, and an air pump.

In this embodiment, the number of the at least one strap 2 is two, and both ends of each of the straps 2 are disposed at opposite ends of a back side 1 a of the bag body 1 for users to carry the bag body 1 and use When the person is carrying the bag body 1, the back side 1a faces the user's back.

The bag body 1 includes at least one ventilating bag 1b for placing the air pump, so that the air pump is detachably disposed on the back side 1a of the bag body 1 and is located on the back of the user and the bag when the user uses the backpack. Body 1 between. In this embodiment, the backpack has three breathable bags 1b for three air pumps, but this is not a limitation. The backpack may be provided with only one breathable bag 1b, or more breathable bags 1b; in addition; The shapes of each of the air pumps and each of the breathable bags 1b can be adjusted according to the needs of users.

Please refer to Fig. 2, Fig. 3 and Fig. 4a. The air pump includes a body 10, and the body 10 is made of a material that can be elastically deformed, such as thermoplastic elastomer TPE, silicone, rubber, etc., but not as such. limit.

The body 10 is slightly flat and has a first side portion 12 and a second side portion 14 opposite to each other. The second side portion 14 is located between the back side 1 a of the bag body 1 and the first side portion 12. An air chamber 10a is formed between the first side portion 12 and the second side portion 14, and the first side portion 23 is formed with a plurality of air holes 12a that communicate with the air chamber 10a and the outside.

The main body 10 has a plurality of columnar elastic portions 16 located in the air chamber 10a, and two ends of the elastic portions 16 are respectively connected to the first side portion 12 and the second side portion 14, wherein the elastic portions The diameter at both ends of 16 is larger than the diameter in the middle of the elastic portions 16.

The above is the description of the components and related positions of the backpack of the first preferred embodiment of the creation. I will describe its use as follows. When the user is walking with the backpack on, the user's back will be closer to and away from the back side 1a of the bag body 1 from time to time. Please refer to FIG. 4a and FIG. 4b. When the user's back is relatively close to the back side 1a of the bag body 1, the body 10 is squeezed to deform the body from a first state S1 to a second state S2. . At this time, the volume of the air chamber 10a is reduced, so that the air in the air chamber 10a flows out of the air chambers 10a from the air holes 12a, and forms an air flow blowing to the user's back, so as to take away the accumulated sweat of the user's back At the same time, keep the user's back ventilated without feeling stuffy due to backpacking.

Please refer to FIG. 4b and FIG. 4c. When the user's back is relatively far away from the back side 1a of the bag body 1, the body 10 is no longer squeezed and returns to the first state from the second state S2. In the state S1, at the same time, the gas around the air hole 12a is drawn into the air chamber 10a from outside the air chamber 10a, so that the air chamber 10a is filled with gas again.

The elastic portions 16 are located between the first side portion 12 and the second side portion 14, and provide a force for the first side portion 12 and the second side portion 14 to rebound, so that the body 10 can quickly move from itself. The second state S2 returns to the first state S1. In addition, the design of the central portion of the elastic portions 16 having a smaller diameter than the diameters of the two ends helps to deform the elastic portion 16 so that when the user's back is relatively close to the back side 1a of the bag body 1, the first side The portion 12 can abut the user along the contour of the user's back, so as to disperse the pressure on the user's back.

In order to prevent the air holes 12a from being covered by the user ’s back and affecting the effect of the air pump pushing gas, please refer to FIG. 5a to FIG. 5b, which is the body 20 of the second preferred embodiment of the present invention, and the first preferred implementation described above. The example is different in that the first side portion 22 has a plurality of recessed portions 24 facing away from the second side portion 26, and at least a part of each of the recessed portions 24 each has an air hole 22 a.

When the user's back is relatively close to the back side 1a of the bag body 1 and the user presses the first side portion 22, the air holes 22a will still maintain a distance from the user's back (ie, the recessed portion The recessed depth D1 of 24) achieves the function of preventing the air holes 22a from being covered by the user's back, so that the air in the air chamber 20a can be smoothly squeezed out of the air chamber 20a.

In addition, please refer to FIG. 6, FIG. 7 a and FIG. 7 b, the air pump according to the third preferred embodiment of the present invention, wherein the first side portion 32 of the body 30 has a plurality of recessed portions 34 facing away from the second side portion. 36, and the plurality of recessed communication grooves 32a communicate with at least two adjacent recessed portions 34, respectively, and the recessed depth D2 of each of the recessed portions 34 is greater than the recessed depth D3 of the communication groove 32a.

The design of the recessed portions 34 and the communication grooves 32a can not only reduce the contact area between the user's back and the first side portion 32, but also reduce the feeling of feeling hot and uncomfortable on the user's back. When the body 30 is squeezed, airflow After the air holes 32b are squeezed out of the air chamber 30a, they flow along the communication grooves 32a, and can flow to the area of the user's back away from the air holes 32b.

In addition to providing a recessed portion, please refer to the air pump of the fourth preferred embodiment of the present invention shown in FIGS. 8a and 8b, wherein the first side portion 42 of the body 40 has a plurality of protruding portions 44 facing away from the second side The protrusions 44 are respectively located on an axial extension line of a corresponding elastic portion 48; the air holes 42 a are located between the adjacent protrusions 44.

When the body is squeezed, the protrusions 44 abut against the user's back so that there is a gap between the air holes 42a and the user's back. After the air flow is squeezed out of the air chamber 40a, it will flow in the gap between the user's back and the body, which can also prevent the air holes 42a from being blocked by the user's back and affect the air pump to push the gas.

The bodies in the above embodiments are integrally formed, for example, made by 3D printing, but are not limited thereto. Please refer to the air pump of the fifth preferred embodiment of the present invention shown in FIG. 9, similar to the above. The first preferred embodiment is different in that the main body 50 includes a first portion 52 and a second portion 54 which are respectively made by injection molding (but not limited thereto), wherein the first portion 52 has a first One side portion 521, the second portion 54 has the second side portion 541, and the first portion 52 and the second portion 54 have a plurality of matching elastic elements 522, 542, respectively; the first portion 52 and the second portion The portions 54 are fixed after being abutted, and the corresponding elastic elements 522 and 542 are abutted to form an elastic portion 56.

The combination of the air pump and the bag body is not limited by the above-mentioned ventilating bag. In order to facilitate the user to adjust the position of the air pump as required, in another embodiment, the back side of the bag body and the body of the air pump One of them is provided with a male felt, and the other is provided with a female felt, and the male felt and the female felt are bonded to each other, so that the air pump can be detachably disposed on the bag body.

According to the present invention, the body of the air pump is elastic, hollow, and has a plurality of air holes, so that when the user's back moves relative to the bag body, the body is squeezed to squeeze out the airflow flowing out of the user's back to achieve pushing. The gas takes away the sweat from the back of the user, so even if the user walks and carries a backpack for a long time, the back can still maintain ventilation without feeling stuffy.

The above descriptions are only the preferred and feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

[this invention]

1‧‧‧ bag body

1a‧‧‧back

1b‧‧‧ breathable bag

2‧‧‧ Strap

10, 20, 30, 40, 50‧‧‧ Ontology

10a, 20a, 30a, 40a

12, 22, 32, 42, 521‧‧‧ First side

12a, 22a, 32b, 42a

14, 26, 36, 46, 541‧‧‧ second side

16, 46, 56‧‧‧ Elastic section

24, 34‧‧‧ Depression

32a‧‧‧ communication slot

44‧‧‧ protrusion

52‧‧‧ Part I

54‧‧‧ Part Two

522, 542‧‧‧ elastic element

S1‧‧‧First State

S2‧‧‧Second State

D1, D2, D3 ‧‧‧ recessed depth

Fig. 1 is a schematic perspective view of a first preferred embodiment of the present invention installed on a backpack; Fig. 2 is a schematic side view of the preferred embodiment provided on a backpack; Fig. 3 is a perspective view of the foregoing preferred embodiment; Fig. 4a is a view of Fig. 3 Fig. 4b is similar to Fig. 4a; Fig. 4c is similar to Fig. 4a; Fig. 5a is a sectional view of a second preferred embodiment of the present invention; Fig. 5b is similar to Fig. 5a; Top view of the preferred embodiment; Figure 7a is a sectional view in the direction of 7a-7a of Figure 6; Figure 7b is similar to Figure 7a; Figure 8a is a sectional view of a fourth preferred embodiment of the present invention; Figure 8b is similar to Figure 8a; This is a sectional view of a fifth preferred embodiment of the present invention.

Claims (10)

A backpack includes: a bag body for accommodating items; at least one strap with two ends disposed on the bag body; an air pump provided on the bag body and located at the user when the user uses the backpack Between the back and the bag body; the air pump includes an elastic body, wherein the body has a first side portion and a second side portion opposite to each other, and the second side portion is located between the bag body and the first Between the side portions; an air chamber is formed between the first side portion and the second side portion, and the first side portion is formed with a plurality of air holes communicating the air chamber with the outside; the body further has a plurality of elastic portions It is located in the air chamber and connects the first side portion and the second side portion. The backpack according to claim 1, wherein the first side portion has a plurality of recessed portions facing away from the second side portion, and at least a part of each of the recessed portions has the air hole. The backpack according to claim 2, wherein the first side portion has a plurality of recessed communication grooves which respectively communicate with at least two adjacent recessed portions. The backpack according to claim 3, wherein a recessed depth of each of the recessed portions is greater than a recessed depth of the communicating grooves. The backpack according to claim 1, wherein the diameters of the two ends of the elastic portions connecting the first side portion and the second side portion are larger than the diameter of the middle portion of the elastic portions. The backpack according to claim 1, wherein the first side portion has a plurality of protrusions facing away from the second side portion, the protrusions are respectively located on an axial extension line of the corresponding elastic portion and the air holes are adjacent to each other Between the protrusions. The backpack according to claim 1, wherein the body includes a first portion and a second portion; the first portion has the first side portion, the second portion has the second side portion, and the first portion and the first portion The two parts respectively have a plurality of elastic elements matching each other; after the first part is docked with the second part, the corresponding elastic elements are docked to form a corresponding one of the elastic parts. The backpack according to claim 1, wherein the bag body has a breathable bag, and the air pump is installed in the breathable bag. The backpack according to claim 1, wherein the air pump is detachably provided in the backpack. According to the backpack of claim 9, one of the bag body and the air pump is provided with a male felt, and the other is provided with a female felt, and the male felt and the female felt are bonded to each other.