Waist rest supporting framework and waist rest

Abstract

The utility model discloses a waist rest supporting framework which comprises a back supporting structure with a positioning supporting part, and the positioning supporting part is provided with a tight supporting part which is used for tightly supporting the positioning supporting part so as to fix the supporting framework. The back supporting structure and the positioning supporting part are integrally formed by a metal plate; the utility model further provides a waist rest which comprises the waist rest supporting framework and a waist rest body arranged on the outer side of the supporting framework in a sleeved mode and further comprises an air bag arranged in the waist rest body. The waist rest supporting framework and the waist rest structure provided by the utility model are simple in structure, are provided with the back supporting structure formed by the metal plate, can play a good supporting role on the back of a user, can position the waist rest or the supporting framework by being matched with the positioning supporting part, are not easy to shift or deviate in the using process, are convenient to mount and dismount, and are suitable for popularization and application. The lumbar vertebra health can be effectively protected.

Description

Technical Field

[0001] The utility model patent relates to the technical field of seat cushions, in particular to a lumbar support frame and a lumbar support. Background Art

[0002] A lumbar support is an auxiliary tool used to support the waist and relieve waist pressure and fatigue. It is commonly used in daily life and work scenes. It is an important auxiliary device to improve sitting posture and reduce the risk of waist and back diseases. It plays a positive role in maintaining a good posture and physical health. It is usually designed in a semicircular shape or a shape that conforms to the waist curve of the human body. It can fill the gap between the waist and the seat and provide additional support to maintain the normal physiological curvature of the spine, especially for long-term driving, office work or home leisure, which helps to prevent waist and back discomfort caused by long-term sitting.

[0003] The patent with publication number CN220391077U discloses a car lumbar support, including a lumbar support body, and also including a fixing belt for inserting into the gap between the seat cushion and the backrest of the car seat, the front end of the fixing belt is connected to the lumbar support body, and the rear end of the fixing belt has a limiting strip, and the limiting strip is raised relative to the top surface and / or bottom surface of the fixing belt. When the car lumbar support is in use, the lumbar support body is used to be placed on the connecting part between the seat cushion and the backrest of the car seat, and the fixing belt is limited by the limiting strip, which can limit the position of the lumbar support body to avoid movement. The limiting strip only plays a limiting role, and the lumbar support still relies on the lumbar support body. The material of the lumbar support body of the patent is space cotton or memory cotton, which has insufficient support for the waist, and has a complex structure, inconvenient installation, high cost, inconvenient cleaning, easy to breed bacteria over time, and high price. The patent with publication number CN220327146U discloses a lumbar support that is easy to adjust, including a lumbar support body, a lumbar pillow and an adjustment component, the adjustment component includes an adjustment seat and an adjustment member, the adjustment seat is installed on the lumbar support body, and the patent realizes the height adjustment of the lumbar pillow relative to the lumbar support body by a first rack and a second rack that are meshed with each other. The structure is relatively complex, the installation and adjustment are difficult, the price is high, and the popularity rate is not high.

[0004] Based on this, how to design a lumbar support with simple structure, portability, low price and good lumbar support performance is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] In view of the problems in the prior art, the purpose of the present invention is to provide a lumbar support frame, which can position and support the lumbar support and provide better support for the user's waist; the present invention also provides a lumbar support with the lumbar support frame, which can fit the user's waist and has a simple structure, a concise and beautiful appearance, and is easy to maintain.

[0006] In order to achieve the above object, the technical solution of the utility model is:

[0007] A lumbar support frame comprises a back support structure with a positioning support portion, wherein the positioning support portion is provided with a tightening portion for tightening the positioning support portion so as to fix the support frame.

[0008] Furthermore, the back support structure and the positioning support part are integrally formed of sheet metal.

[0009] Furthermore, the tightening portion is integrally stamped and formed based on the positioning support portion body, the tightening portion protrudes upward and / or downward relative to the support portion, and the tightening portion is composed of at least one supporting spring sheet.

[0010] Furthermore, the tightening portion is welded on the supporting portion, the tightening portion protrudes upward and / or downward relative to the supporting portion, and the tightening portion is composed of at least one supporting spring sheet.

[0011] Furthermore, the bracing portion is an arched structure that protrudes upward or / and downward relative to the supporting portion.

[0012] Furthermore, the back support structure is one of the geometric shapes selected from the group consisting of A-shape, H-shape, M-shape, N-shape, U-shape, beam-shape, gourd-shape, hexagonal shape, ice cream shape, and circular shape.

[0013] Furthermore, the back support structure is provided with reinforcing ribs and / or weight-reducing grooves, and the reinforcing ribs are integrally stamped and formed according to the back support structure.

[0014] Furthermore, the supporting frame is made of metal material or polymer elastic material.

[0015] The utility model also provides a lumbar support, comprising the lumbar support support frame as described above and a lumbar support body sleeved on the outside of the support frame, and also comprising an air bag arranged inside the lumbar support body.

[0016] Furthermore, the airbag is an airbag with adjustable inflation volume.

[0017] Compared with the prior art, the lumbar support frame and structure of the lumbar support provided by the utility model are unique. The structure is simple and has a sheet metal back support structure, which can provide good support for the user's back. The bottom of the support frame is provided with a positioning support part and a tightening part. When the lumbar support is in use, the tightening part can tighten up and down in the gap between the seat and the backrest to prevent the lumbar support from tilting or moving. In addition, the lumbar support or support frame can be positioned with the positioning support part. It is not easy to shift or deviate during use. It is easy to install and disassemble. When used on a car seat, it can effectively relieve the driver's waist fatigue during long-distance driving and protect the health of the lumbar spine. Combined with the airbag and back support structure, the lumbar support in the utility model can fill the gap between the waist and the seat, provide continuous support, help maintain the normal physiological curve of the spine, and avoid muscle strain and pain caused by the waist hanging in the air under long-term sitting posture. The supporting force of the back support structure is due to the supporting force of the memory foam. The lumbar support with a back support structure and airbags can disperse the pressure on the waist and reduce the tension of the waist muscles, thereby effectively preventing and alleviating the discomfort caused by lumbar diseases such as lumbar muscle strain and lumbar disc herniation caused by sitting for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Attached Figure 1 It is a structural schematic diagram of the waist support frame of the utility model.

[0020] Attached Figure 2 For attachment Figure 1 Side view.

[0021] Attached Figure 3 It is a structural schematic diagram of the waist support in the utility model.

[0022] Attached Figure 4 It is a structural diagram of an H-shaped lumbar support.

[0023] Attached Figure 5 It is a structural diagram of an M-shaped lumbar support.

[0024] Attached Figure 6 It is a structural schematic diagram of a beam-shaped lumbar support.

[0025] Attached Figure 7 This is a schematic diagram of the structure of a gourd-shaped waist support.

[0026] Attached Figure 8 It is a schematic diagram of the structure of a hexagonal lumbar support.

[0027] Attached Fig. 9 It is a structural diagram of an ice cream-shaped waist support.

[0028] Attached Fig.10 It is a schematic diagram of the structure of a circular waist support. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0030] Embodiment 1:

[0031] As shown in the accompanying drawings, a lumbar support frame 10 is used to be mounted in a lumbar support body 30, has rigidity and elasticity, provides support force for the lumbar support, and provides positioning force for the lumbar support. The support frame 10 includes a back support structure 16 with a positioning support portion 11. The back support structure 16 is located at the back of the user, supports the user's waist, and helps the user maintain a normal spinal physiological curve. The positioning support portion 11 is located at the lower end of the back support structure 16, and is bent toward one side from the lower end of the back support structure 16, and is used to be inserted into the gap between the backrest and the seat to fix the back support structure. In this embodiment, the positioning support portion 11 can be formed as an integral sheet metal with the back support structure 16, or it can be assembled separately by welding or threaded connection, which is not limited here.

[0032] In order to ensure the positioning and fixing function of the positioning support part 11 and prevent the back support structure 16 from shifting, deviating, or tilting, which may cause discomfort to the user, a tightening part 12 is provided on the positioning support part 11 to tighten the positioning support part 11 and thus fix the support frame 10. Figure 1In the figure, the tightening part 12 is located on the upper side of the positioning support part 11, and protrudes upward relative to the positioning support part 11 (of course, the tightening part 12 can also be located on the lower side or both sides of the positioning support part 11, as long as it can protrude relative to the support part 11), the highest end of the tightening part 12 gradually approaches and connects with the main body of the positioning support part 11 at both ends, similar to an arch, the tightening part 12 can be stamped integrally with the positioning support part 11, or it can be installed and formed separately, the purpose of the two ends of the tightening part 12 gradually approaching and connecting to the main body of the positioning support part 11 is to facilitate insertion into the gap between the backrest and the seat when in use, play a guiding role, and also facilitate withdrawal from the gap between the backrest and the seat when not in use, also play a guiding role, under the action of the tightening part 12, not only can the effects of tightening, positioning and fixing be achieved, but also the installation and disassembly are very convenient, and the installation and disassembly actions can be achieved by plugging and pulling, which is very simple. The tightening part 12 in this embodiment is not limited to the method described in this embodiment, and can also be a set, a welded or other elastic installation structure, as long as it can achieve the function of tightening up and down. The number of the tightening parts 12 is not limited. The tightening part 12 can be composed of at least one supporting spring piece 121. Figure 4-10 The shape and position of the supporting spring pieces 121 can be two or more, and can be wide strips or narrow strips. When in use, the supporting frame 10 is mounted in the lumbar support body 30, and then the positioning support part 11 is inserted into the gap between the seat and the backrest. The position of the supporting frame 10 is fixed by the up and down tightening force of the tightening part 12 to prevent it from falling, moving, or shifting. The installation is completed, which is very simple. When disassembly is required, it only needs to be pulled out from the gap between the seat and the backrest, which is very easy to operate.

[0033] Embodiment 2:

[0034] This embodiment is based on the first embodiment, and describes the shape of the back support structure 16 in multiple ways. For example, the back support structure 16 shown in the attached drawings is one of the geometric shapes of A, H, M, N, square, beam, gourd, hexagon, ice cream, and circle. The purpose is to form a structural part with a back support function through some geometric shapes, letter shapes, and other common shapes, and any shape that can support and fit the back is acceptable.

[0035] Moreover, in this embodiment, in order to adapt to various shapes of the back support structure 16, based on the principle of supporting strength and material saving, a plurality of back support structures 16 are provided with reinforcing ribs 13 and / or weight reduction grooves 15, as shown in the attached Figure 1 , 4 In the embodiment, the reinforcing ribs are located on both sides of the back support structure 16 and are formed by integral stamping, as shown in the attached Figure 5In the embodiment, the reinforcing ribs of the back support structure 16 are arranged in three longitudinal directions in accordance with the shape of the M-shaped back support body, which has better back support force and resilience. Generally, the support frame 10 is made of metal or polymer elastic material, both of which have certain strength and elasticity. Figure 6 In the figure, the back support structure 16 is H-shaped, and the strength of the back support body structure has met the requirements, so one or more weight reduction grooves 15 can be opened with reference to the shape of the back support body structure, and multiple reinforcing ribs 13 can be set in the extension direction of the back support body structure.

[0036] Embodiment 3

[0037] The present embodiment provides a lumbar support, comprising a lumbar support frame 10 and a lumbar support body 30 sleeved on the outside of the support frame 10 as described in the first and second embodiments, and also comprising an airbag 20 disposed inside the lumbar support body 30, wherein the airbag 20 is an airbag with adjustable inflation volume.

[0038] The main function of the support frame 10 is to support and position the lumbar support body 30. At the same time, the function of the frame body can be used to support and position the airbag 20. The airbag 20 is a common inflatable airbag. The inflation amount of the airbag 20 can be adjusted according to the needs of the user, with the user's best comfort state as a reference. Of course, other inflatable airbags can also be replaced according to needs. An opening is provided at the lower end of the lumbar support body 30 to facilitate the installation and replacement of the support frame 10 and the airbag 20. When used in combination, the support frame 10 is sleeved in the lumbar support body 30, and then the airbag 20 is inserted. When it needs to be installed on the seat, the positioning support part 11 of the support frame 10 is inserted into the gap between the seat and the backrest, and the support spring piece 121 of the tightening part 12 is used to fix and position the support frame 10 and the lumbar support body 30. When not in use, the positioning support part 11 of the support frame 10 can be pulled out from the gap between the seat and the backrest. The lumbar support with the supporting frame 10 has a simple structure, low price, strong versatility, and is very convenient to install and disassemble, and is suitable for popularization and use.

[0039] It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solution described in the embodiments of the utility model. Ordinary technicians in the field should understand that the utility model can still be modified or replaced by equivalents to achieve the same technical effect; as long as the use requirements are met, they are within the protection scope of the utility model.

Claims

1. A lumbar support frame, characterized in that: The support frame (10) comprises a back support structure (16) having a positioning support portion (11), wherein the positioning support portion (11) is provided with a tightening portion (12) for tightening the positioning support portion (11) and thereby fixing the support frame (10).

2. A lumbar support frame according to claim 1, characterized in that: The back support structure (16) and the positioning support portion (11) are integrally formed of sheet metal.

3. A lumbar support frame according to claim 1 or 2, characterized in that: The tightening portion (12) is integrally stamped and formed based on the main body of the positioning support portion (11); the tightening portion (12) protrudes upwards and / or downwards relative to the support portion (11); and the tightening portion (12) is composed of at least one supporting spring sheet (121).

4. A lumbar support frame according to claim 1 or 2, characterized in that: The tightening portion (12) is welded to the supporting portion (11); the tightening portion (12) protrudes upwards or / and downwards relative to the supporting portion (11); and the tightening portion (12) is composed of at least one supporting spring sheet (121).

5. A lumbar support frame according to claim 4, characterized in that: The tightening portion (12) is an arched structure that protrudes upward or / and downward relative to the supporting portion (11).

6. A lumbar support frame according to claim 1, characterized in that: The back support structure (16) is one of the following geometric shapes: A-shaped, H-shaped, M-shaped, N-shaped, U-shaped, beam-shaped, gourd-shaped, hexagonal, ice cream-shaped, and circular.

7. A lumbar support frame according to claim 1, characterized in that: The back support structure (16) is provided with a reinforcing rib (13) and / or a weight-reducing groove (15), and the reinforcing rib (13) is integrally stamped and formed based on the back support structure (16).

8. A lumbar support frame according to claim 1, characterized in that: The support frame (10) is made of metal or polymer elastic material.

9. A lumbar support, characterized in that: It comprises a lumbar support frame (10) as claimed in any one of claims 1 to 8 and a lumbar support body (30) sleeved on the outside of the support frame (10), and also comprises an air bag (20) arranged inside the lumbar support body (30).

10. A lumbar support according to claim 9, characterized in that: The airbag (20) is an airbag with adjustable inflation volume.

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