TWM545518U - Lumbar cushion device for chairs - Google Patents

Description

Chair lumbar device

The present invention relates to a chair lumbar support device, and more particularly to a chair lumbar support device capable of easily adjusting the airbag inflation amount.

For long-time sedentary users, the ergonomic effect of the chair is more important than the appearance, because the comfort of the chair directly affects the user's physical and mental state, which in turn affects work efficiency.

In order to increase the ergonomics of the chair, the operator added a lumbar support to the chair to enhance the support of the human back to enhance the comfort of use. As disclosed in Taiwanese patents M348543 and M528124, the system provides a lumbar support. The device adjusts the displacement function up and down or left and right. In addition, although the lumbar support device has a balloon-type structure, the conventional airbag type lumbar support device has many structural components and is cumbersome, which is disadvantageous for the manufacture and assembly of the manufacturing end, and is not conducive to the user's operation adjustment, such as the prior art is difficult to operate. Adjust the inflation or flattening of the inflation of the airbag.

Therefore, the chair lumbar support device which is easy to operate and easy to assemble is provided for adjusting the inflation amount of the airbag to abut against the support effect of the human body, and is a main problem to be solved by the present invention. The present invention provides the most effective and advantageous for the above problems. solution.

The main purpose of the present invention is to provide a chair lumbar support for use in a chair back frame of a chair, comprising: a body member, which is an elongated body extending left and right, having a groove portion and a fixing portion a mouth portion and a clamping portion, the groove portion is disposed on a front surface of the body member, and the fixing portion is disposed on a bottom surface of the groove portion, and the clamping portion is respectively disposed on the body member An air bag control member is fixed in the fixed mouth portion of the body member, and has an air intake pressing portion, a vent valve button portion, a first air pipe, an air inlet hole and a a cavity portion, wherein the air intake pressing portion and the vent valve button portion are exposed on a back surface of the seat member for external operation, wherein the first air pipe is disposed on a side of the cavity portion, The air inlet hole is on a bottom surface of the cavity portion such that the first air pipe and the air inlet hole are located in the groove portion of the seat body member; and an air bag member having a second air pipe, a longitudinally extending elongated airbag body correspondingly disposed in a recessed portion of the body member; wherein the airbag is controlled a first air pipe is connected to the second air pipe of the airbag member and is in communication; wherein when the air intake pressing portion of the airbag control member is pressed, external air enters the cavity portion through the air inlet hole and passes through the air intake pipe a first air pipe and a second air pipe of the air bag member, and then enter the air bag member to form the air bag member in an inflated state; wherein when the air valve button portion of the air bag control member is pressed, the air bag member is inside The air enters the cavity through the second gas pipe and the first gas pipe, and is discharged outward by the gas valve button portion to form a gas squashing state of the airbag member, thereby facilitating use It is convenient to operate and adjust the inflation amount of the airbag member, and the assembly is easy, which is advantageous for the manufacture and assembly of the manufacturing end.

In an embodiment of the present invention, the lumbar support device is further provided with a supporting member, which is configured to be correspondingly embedded in the recessed portion of the base member, so that the airbag member can be correspondingly disposed. On the front side of the support member, the front surface further has a through hole for the second gas pipe of the air bag member to pass through.

In an embodiment of the present invention, the airbag control member is further fixed to the inner side of the fixed mouth portion of the seat member by a fixing member, and the fixing member is fixedly engaged by the fastening and the locking.

In an embodiment of the present invention, the front surface of the back frame is further provided with a front mesh; wherein the clamping portion of the body member is vertically slidably disposed on the back frame and located in the front mesh On the back.

In an embodiment of the present invention, the lumbar support device is further provided with a covering cloth for covering the front surface and the side surface of the airbag member and the support member, so that the supported support member and the airbag member are correspondingly matched. Embedded in the groove portion of the body member.

In an embodiment of the present invention, the airbag control member is combined with the air intake pressing portion, the air release valve button portion, the first air delivery tube and the cavity portion by a high frequency bonding technique.

In an embodiment of the present invention, the airbag control member is further extended outwardly on an armrest of the chair for use, so that the first air pipe of the airbag control member extends to the second transmission with the airbag member. The trachea is connected and connected.

1‧‧‧Lumbar support

10‧‧‧ body parts

10a‧‧‧ positive

10b‧‧‧back

11‧‧‧ Groove

12‧‧‧ Fixed mouth

13‧‧‧Clamping

20‧‧‧Airbag control

21‧‧‧Air intake press

22‧‧‧Discharge valve button

23‧‧‧The first gas pipeline

24‧‧‧Air intake

25‧‧‧ cavity department

30‧‧‧Support

30a‧‧‧ positive

31‧‧‧Perforated Department

32‧‧‧At least one vent

40‧‧‧Airbag parts

41‧‧‧Second gas pipeline

50‧‧‧Fixed parts

60‧‧‧Cover cloth

2‧‧‧ chairs

3‧‧‧back frame

3a‧‧‧ positive

4‧‧‧ front mesh

4a‧‧‧Back

5‧‧‧Handrail

1 is a perspective assembled view of one embodiment of the present invention (back view).

2 is a perspective exploded view of a portion (front view) of FIG. 1.

Figure 3 is a perspective exploded view of the lumbar support device (front view) of the present invention.

4 is a perspective exploded view of the back view of FIG. 3.

FIG. 5 is a three-dimensional combination diagram of the lumbar support device of the present invention.

Figure 6 is a perspective assembled view of another embodiment of the present invention (the airbag control member is mounted on the armrest).

Fig. 7 is a schematic plan view showing the rectangular body of the present invention in a rectangular shape.

Fig. 8 is a schematic plan view showing the back of the body of the present invention in an elliptical shape.

Figure 9 is a schematic plan view of the back of the body of the present invention in the form of a polygon.

The structure and technical features of the present invention are described in detail with reference to the drawings, wherein the drawings are only used to illustrate the structural relationship and related functions of the present invention, and therefore the dimensions of the components are not set according to actual ratios and are not intended to be limited. This new type.

Referring to Figures 1 to 9, the main purpose of the present invention is to provide a chair lumbar support device 1 for use on a chair back frame 3 of a chair 2, which includes a body member 10, an air bag control member 20 and an air bag. Item 40.

The body member 10 is an elongated body extending in the left-right direction, and has a groove portion 11, a fixing mouth portion 12 and a clamping portion 13 which is disposed on the front surface 10a of the body member 10. The fixing portion 12 is disposed on the bottom surface of the groove portion 11; the clamping portion 13 is respectively disposed on the left and right sides of the body member 10 for erecting the body member 10 on the seat back On frame 3.

The airbag control member 20 is fixed in the fixed mouth portion 12 of the body member 10, and has an air intake pressing portion 21, a vent valve button portion 22, a first air supply pipe 23, an air inlet hole 24, and a a cavity portion 25; wherein the air intake pressing portion 21 and the air release valve button portion 22 are exposed on the back surface 10b of the body member 10 for external operation by a user; wherein the first air pipe 23 is provided On one side of the cavity portion 25, the air inlet hole 24 is on a bottom surface of the cavity portion 25 (as shown in FIG. 3), so that the first air pipe 23 and the air inlet hole 24 are located at the seat. The inside of the groove portion 11 of the body member 10.

The airbag member 40 has a second air pipe 41 which is an elongated airbag body extending in the left-right direction for correspondingly disposed in the recess portion 11 of the seat member 10.

The first air pipe 23 of the airbag control member 20 is connected to the second air pipe 41 of the airbag member 40 and is in communication.

As shown by an arrow A in FIG. 1, when the intake pressing portion 21 of the airbag control member 20 is pressed, external air enters the cavity portion 25 through the air intake hole 24 and passes through the first air delivery pipe 23 and the air bag. The second gas delivery tube 41 of the member 40 re-enters the balloon member 40 to form the balloon member 40 in an inflated state.

As shown by the arrow B in FIG. 1, when the vent valve button portion 22 of the airbag control member 20 is pressed, the air in the airbag member 40 enters the cavity through the second air delivery tube 41 and the first air delivery tube 23. The body portion 25 is further discharged outward by the vent valve button portion 22 to form the airbag member 40 in a deflated state.

The lumbar support device 1 is further provided with a support member 30, but is not limited thereto, and is a left-right extending elongate frame body for correspondingly embedded in the recess portion 11 of the seat member 10 so that the airbag member 40 can Corresponding to the front surface 30a of the support member 30, as shown in Figs. 3 and 4, the balance effect of the airbag member 40 is maintained and the amount of inflation of the airbag member 40 is reduced. Further, the front surface 30a of the support member 30 has a through hole 31, so that the first air pipe 23 of the air bag control member 20 can pass through the through hole portion 31 of the support member 30 to be connected to the second air pipe of the air bag member 40. 41 and form a connection.

The airbag control member 20 is further fixed to the inner side of the fixing mouth portion 12 of the seat member 10 by a fixing member 50. The fixing member 50 is fixedly engaged and locked and fixed as shown in FIGS. 3 and 4. It is shown that it is advantageous to increase the positioning and fixing of the airbag control member 20.

Wherein the front surface 3a of the back frame 3 is further provided with a front mesh 4; The clamping portion 13 of the body member 10 is slidably disposed on the seat back frame 3 as shown by an arrow C in FIG. 5 and on the back surface 4a of the front mesh 4.

As shown in FIGS. 3 and 4, the waistrest device 1 is further provided with a covering cloth 60 for covering the front side and the side surface of the airbag member 40 and the supporting member 30, so that the wrapped airbag member 40 is coated. And the support member 30 is correspondingly embedded in the groove portion 11 of the seat member 10, which is advantageous for making the lumbar support device 1 more beautiful.

The airbag control member 20 is combined with the air intake pressing portion 21, the air release valve button portion 22, the first air delivery tube 23, and the cavity portion 25 by a high-frequency bonding technique to form the airbag control member 20. A module and to facilitate assembly and installation.

The airbag control member 20 is further extended on the armrest 5 of the chair 2 such that the first air pipe 23 of the airbag control member 20 extends to be connected to and communicate with the second air pipe 41 of the airbag member 40.

The body member 10 and the support member 30 are formed into a body molded body by a plastic injection technique.

The shape of the body member 10 is not limited, and may include a rectangle as shown in FIG. 7, an ellipse as shown in FIG. 8, and a polygon as shown in FIG. 9. The shape of the fixed mouth portion 12 of the seat member 10 is not limited. It is designed to match the airbag control member 20, such as including a rectangle as shown in FIG. 7, an ellipse as shown in FIG. 8, and a polygon as shown in FIG.

The support member 30 is further provided with at least one vent hole portion 32, and the vent hole portion 32 has a circular shape and an elongated shape as shown in FIGS.

As shown in FIG. 6, the length of the first air delivery tube 23 of the airbag control member 20 is not limited; wherein the length of the second air delivery tube 41 of the airbag member 40 is also not limited; wherein the airbag control member The first gas pipe 23 of 20 extends into the interior of the chair 2, and the first gas pipe 23 of the airbag control member 20 and the second gas pipe 41 of the airbag member 40 are inside the chair 2, and the airbag can be borrowed. The control member 20 controls the intake and deflation of the airbag member 40, so that the airbag control member 20 of the lumbar support device 1 can be further mounted on the armrest 5 for use but is not limited, and is convenient for the user to operate.

The lumbar support device 1 of the present invention has the following advantages as compared with other prior art:

(1) The lumbar support device 1 of the present invention can be slidably attached to the seat back frame 3 by the clamping portion 13 of the body member 10, which facilitates assembly and facilitates manufacturing and assembly of the manufacturing end. And can improve the efficiency of the use of the lumbar support device 1.

(2) When the air intake pressing portion 21 of the airbag control member 20 is pressed, outside air may enter the airbag member 40 to cause the airbag member 40 to be in an inflated state, and when the airbag control member 20 is pressed into the air release valve When the button portion 22 is used, the air in the airbag member 40 can be discharged outwardly from the vent valve button portion 22 to form the airbag member 40 in a deflated and flattened state, which is convenient for the user to adjust and adjust the inflation amount of the airbag member 40. Thereby, the support effect of the airbag member 40 is improved.

The above description is only the preferred embodiment of the present invention, and is intended to be illustrative, and not restrictive; it is understood by those of ordinary skill in the art that Many changes, modifications, and even equivalent changes are made, but they fall within the scope of this new type of protection.

1‧‧‧Lumbar support

10‧‧‧ body parts

10b‧‧‧back

13‧‧‧Clamping

20‧‧‧Airbag control

21‧‧‧Air intake press

22‧‧‧Discharge valve button

25‧‧‧ cavity department

60‧‧‧Cover cloth

2‧‧‧ chairs

3‧‧‧back frame

4‧‧‧ front mesh

4a‧‧‧Back

5‧‧‧Handrail

Claims (8)

A chair lumbar support device for mounting on a chair back frame of a chair, comprising: a body member, which is an elongated body extending left and right, having a groove portion, a fixed mouth portion and a clamping portion The groove portion is disposed on the front surface of the body member, and the fixed portion is disposed on the bottom surface of the groove portion, and the clamping portion is respectively disposed on the left and right sides of the body member; a control member, which is fixed in the fixed mouth portion of the body member, and has an air intake pressing portion, a vent valve button portion, a first air supply pipe, an air inlet hole and a cavity portion; The air intake pressing portion and the air release valve button portion are exposed on the back surface of the seat member for external operation; wherein the first air supply pipe is disposed on one side of the cavity portion, and the air inlet hole is a bottom surface of one of the cavity portions such that the first gas pipe and the gas inlet hole are located in the groove portion of the body member; and an air bag member having a second gas pipe extending in a left-right direction The elongate airbag body is correspondingly disposed in the recessed portion of the seat body member; wherein the air duct control member is connected to the first air duct And connecting to the second air pipe of the airbag member; wherein, when the air intake pressing portion of the airbag control member is pressed, external air enters the cavity portion through the air inlet hole and passes through the first air pipe and a second air pipe of the air bag member enters the air bag member to form the air bag member in an inflated state; wherein when the air valve button portion of the air bag control member is pressed, the air in the air bag member passes through the first The air pipe and the first air pipe enter the cavity portion, and are further discharged outward by the air release valve button portion to form the air bag member in a deflated state. The lumbar support device of claim 1, wherein the lumbar support device is further provided with a support member, The support member is a longitudinally extending elongate frame body for correspondingly fitting into the recessed portion of the seat member, so that the airbag member can be correspondingly disposed on the front surface of the support member. The lumbar support device of claim 2, wherein a front side of the support member is provided with a perforation for the second air delivery tube of the airbag member to pass through to the first air delivery tube of the airbag control member. The lumbar support device of claim 1, wherein the airbag control member is further secured to the inner side of the fixed mouth portion of the seat member by a fixing member. The lumbar support device of claim 1, wherein the front side of the seat back frame is further provided with a front mesh, wherein the clamping portion of the body member is vertically slidably mounted on the seat back frame and located at On the back of the front mesh. The lumbar support device of claim 2, wherein the lumbar support device is further provided with a covering cloth for covering the front side and the side of the airbag member and the support member, so as to cover the covered airbag member and the The support member is correspondingly embedded in the groove portion of the seat member. The lumbar support device of claim 1, wherein the airbag control member is coupled to the air intake pressing portion, the air release valve button portion, the first air delivery tube and the cavity portion by a high frequency bonding technique. The lumbar support device of claim 1, wherein the airbag control member is further extended on an armrest of the chair, so that the first air pipe of the airbag control member extends to the second air pipe of the airbag member Connect and form a connection.