Multifunctional chair
By arranging components such as a rotating crossbar, connecting screws and a limit bracket in the multifunctional chair, the problem that existing chairs are not convenient for leg extension and retraction is solved, convenient adjustment and stable support of the leg rest are achieved, and the comfort and convenience of the user are improved.
Patent Information
- Application Number
- CN202423001123.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-12-06
AI Technical Summary
When using the existing multifunctional chair, it is not convenient for the user to install and disassemble it according to the extension and retraction of the legs, which affects the convenience of operation of the equipment.
A multifunctional chair is designed. By setting components such as a rotating cross bar, a connecting screw and a limit bracket, the leg rest can be flexibly adjusted in angle and height. Through the rotational connection between the rotating cross bar and the reinforcing cross bar, the connecting screw passes through the fixed plate and the rotating cross bar and extends into the inside of the leg rest, thereby realizing convenient storage and deployment of the leg rest.
The chair's comfort and ease of operation are improved to meet the personalized needs of different users for leg support. The angle and height adjustment of the leg rest are more precise and stable.
Smart Images

Figure CN223298758U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chairs, in particular to a multifunctional chair. Background Art
[0002] A chair is a piece of furniture with a backrest and armrests, commonly used for daily life and rest. Chair design strives for aesthetics and fashion. Modern chairs not only serve as seating but also incorporate technology to make life more convenient. The history of chairs can be traced back to the Huchuang (Hu bed) of the Han and Wei dynasties. This type of furniture was introduced to China during the Wei, Jin, Southern and Northern Dynasties, and gradually became popular during the Sui and Tang dynasties. The name "chair" came into use during the Tang Dynasty, becoming distinct from the category of "bed."
[0003] The existing multifunctional chair is not convenient for the user to conveniently install and disassemble the leg rest according to the extension and retraction of the legs when the staff uses it, which affects the convenience of operation of the entire device when the device is used as a whole. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a multifunctional chair.
[0005] The utility model is implemented by the following technical solution: a multifunctional chair, comprising a support plate, a sponge seat cushion fixedly connected to the top of the support plate, a support column fixedly connected to the top of the support column, a backrest fixedly connected to the top of the support column, and a support rod fixedly connected to the bottom of the support plate;
[0006] The surface of the support rod is fixedly connected to the reinforcing cross rod, the surface of the reinforcing cross rod is rotatably connected to the rotating cross rod, the surface of the rotating cross rod is rotatably connected to the leg drag, the internal thread of the leg drag is connected to the connecting screw, the surface of the connecting screw is threadedly connected to the fixing plate, the internal thread of the fixing plate is connected to the fixing screw, the surface of the fixing screw is threadedly connected to the limiting bracket, a positioning groove is provided on the front side of the support rod, the surface of the support rod is fixedly connected to the connecting plate, and the internal thread of the connecting plate is connected to the limiting pin.
[0007] Through the above technical solution, the sponge cushion on the top of the support plate and the backrest supported by the support column provide users with a comfortable sitting experience. The sponge has good elasticity and can be deformed appropriately according to the user's weight and sitting posture, thereby fitting the human body curve and reducing the pressure on the body's pressure points. Whether sitting for a long time to work or rest, it can effectively reduce fatigue.
[0008] As a further improvement of the above solution, the number of the support columns is set to two, and a sponge cushion is fixedly connected to the surface of the support column.
[0009] As a further improvement of the above solution, the number of the rotating cross bars is set to two, and the two rotating cross bars are symmetrically distributed left and right with the reinforcing cross bar as the center, and the rotating cross bars are located at the bottom of the support plate.
[0010] As a further improvement of the above solution, the number of the connecting screws is set to four, and each two form a group. The four connecting screws are symmetrically distributed left and right with the leg drag as the center, and the connecting screws pass through the fixing plate and extend to the inside of the leg drag.
[0011] The leg rests further enhance the chair's comfort, allowing users to adjust the angle and height to the desired position for resting or elevating their legs to promote blood circulation. By rotating the crossbar and connecting screws, users can customize the chair's position to provide both leg support and relaxation.
[0012] As a further improvement of the above solution, the connecting screw passes through the fixed plate and the rotating cross bar and extends to the inside of the leg pull. The number of the fixed screws is set to two, and the two fixed screws are symmetrically distributed left and right with the leg pull as the center.
[0013] As a further improvement of the above solution, the number of the limiting brackets is set to two, the two limiting brackets are inserted into the inside of the support rod, the number of the positioning grooves is set to two, and the two positioning grooves are symmetrically distributed left and right with the leg drag as the center.
[0014] As a further improvement of the above solution, the connecting plate is located at the bottom of the supporting plate, and the connecting plate and the limiting latch are symmetrically distributed left and right with the supporting plate as the center.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] The utility model can remove the sponge seat cushion from the inside of the support rod and the positioning groove by rotating the fixing screw and remove it from the inside of the fixing plate and the limit bracket, and the leg rest can be rotated by rotating the connecting screw and removed from the inside of the fixing plate and the leg rest, so that the leg rest can be rotated on the surface of the rotating cross bar, and the limiting pin can be rotated to remove it from the inside of the connecting plate and the rotating cross bar, so that the rotating cross bar naturally hangs down to the bottom of the supporting plate on the surface of the reinforcing cross bar, so that the staff can easily store and unfold the leg rest.
[0017] The utility model arranges the leg rest to be rotatably connected to the reinforcing cross bar through a rotating cross bar, and the design of the connecting screws allows the angle of the leg rest to be flexibly adjusted. Every two connecting screws form a group, and there are four groups of connecting screws symmetrically distributed left and right with the leg rest as the center. This symmetrically distributed connection method ensures the balance and stability of the leg rest when adjusting the angle. At the same time, the connecting screws pass through the fixed plate and the rotating cross bar and extend into the inside of the leg rest, making the height and angle adjustment of the leg rest more precise, and can meet the different needs of different users for leg support. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the anatomical structure of the side of the utility model;
[0020] Figure 3 This is a schematic diagram of the split structure of the leg drag of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;
[0022] Figure 5 It is a right side structural schematic diagram of the present utility model.
[0023] Description of main symbols:
[0024] 1. Support plate; 2. Sponge seat cushion; 3. Support column; 4. Backrest; 5. Support rod; 6. Reinforcement cross bar; 7. Rotating cross bar; 8. Leg rest; 9. Connecting screw; 10. Fixing plate; 11. Fixing screw; 12. Limit bracket; 13. Positioning slot; 14. Connecting plate; 15. Limit pin. DETAILED DESCRIPTION
[0025] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0026] Example:
[0027] Please combine Figure 1-5 A multifunctional chair of this embodiment includes a support plate 1, a sponge seat cushion 2 is fixedly connected to the top of the support plate 1, a support column 3 is fixedly connected to the top of the support plate 1, a backrest 4 is fixedly connected to the top of the support column 3, and a support rod 5 is fixedly connected to the bottom of the support plate 1;
[0028] The surface of the support rod 5 is fixedly connected to the reinforcing cross bar 6, the surface of the reinforcing cross bar 6 is rotatably connected to the rotating cross bar 7, the surface of the rotating cross bar 7 is rotatably connected to the leg drag 8, the internal thread of the leg drag 8 is connected to the connecting screw 9, the surface of the connecting screw 9 is threadedly connected to the fixing plate 10, the internal thread of the fixing plate 10 is connected to the fixing screw 11, the surface of the fixing screw 11 is threadedly connected to the limiting bracket 12, the front of the support rod 5 is provided with a positioning groove 13, the surface of the support rod 5 is fixedly connected to the connecting plate 14, the internal thread of the connecting plate 14 is connected to the limiting bracket When the latch 15 is removed from the inside of the fixing plate 10 and the limiting bracket 12 by rotating the fixing screw 11, the sponge seat cushion 2 is slid out from the inside of the support rod 5 and the positioning groove 13, and the connecting screw 9 is rotated to remove it from the inside of the fixing plate 10 and the leg drag 8, so that the leg drag 8 can rotate on the surface of the rotating cross bar 7. The limiting latch 15 is rotated to remove it from the inside of the connecting plate 14 and the rotating cross bar 7, so that the rotating cross bar 7 naturally hangs down to the bottom of the support plate 1 on the surface of the reinforcing cross bar 6, which is convenient for the staff to easily store and unfold the leg drag 8.
[0029] The sponge seat cushion 2 on the top of the support plate 1 and the backrest 4 supported by the support column 3 provide the user with a comfortable sitting experience. The sponge has good elasticity and can be deformed appropriately according to the user's weight and sitting posture, thereby fitting the human body curve and reducing the pressure on the body's pressure points. Whether sitting for a long time to work or rest, it can effectively reduce fatigue.
[0030] The number of the support columns 3 is set to two, and the surface of the support columns 3 is fixedly connected to the sponge seat cushion 2.
[0031] The number of the rotating cross bars 7 is set to two, and the two rotating cross bars 7 are symmetrically distributed left and right with the reinforcing cross bar 6 as the center, and the rotating cross bars 7 are located at the bottom of the support plate 1.
[0032] The number of the connecting screws 9 is set to four, and each two form a group. The four connecting screws 9 are symmetrically distributed with the leg pull 8 as the center. The connecting screws 9 pass through the fixing plate 10 and extend to the inside of the leg pull 8.
[0033] The leg rest 8 further enhances the chair's comfort. For users who need to rest or elevate their legs to promote blood circulation, the leg rest 8 can be adjusted to a suitable angle and height. By rotating the crossbar 7, connecting screw 9 and other components, users can make personalized adjustments to their needs, providing both leg relaxation and support.
[0034] The connecting screw 9 passes through the fixed plate 10 and the rotating cross bar 7 and extends to the inside of the leg pull 8. The number of the fixed screws 11 is set to two, and the two fixed screws 11 are symmetrically distributed on the left and right with the leg pull 8 as the center. The leg pull 8 is rotatably connected to the reinforcing cross bar 6 through the rotating cross bar 7, and the design of the connecting screw 9 makes the angle of the leg pull 8 flexibly adjustable. Every two connecting screws 9 form a group, and there are four groups of connecting screws 9 symmetrically distributed on the left and right with the leg pull 8 as the center. This symmetrical distribution connection method ensures the balance and stability of the leg pull 8 when adjusting the angle. At the same time, the connecting screw 9 passes through the fixed plate 10 and the rotating cross bar 7 and extends to the inside of the leg pull 8, so that the height and angle adjustment of the leg pull 8 are more precise, which can meet the different needs of different users for leg support.
[0035] The number of the limiting brackets 12 is set to two, and the two limiting brackets 12 are inserted into the interior of the support rod 5. The number of the positioning grooves 13 is set to two, and the two positioning grooves 13 are symmetrically distributed with the leg drag 8 as the center.
[0036] The connecting plate 14 is located at the bottom of the supporting plate 1 , and the connecting plate 14 and the limiting latch 15 are symmetrically distributed with the supporting plate 1 as the center.
[0037] The implementation principle of a multifunctional chair in the embodiment of the present application is as follows: by rotating the fixing screw 11 to remove it from the inside of the fixing plate 10 and the limiting bracket 12, the sponge seat cushion 2 is slid out from the inside of the support rod 5 and the positioning groove 13, and the connecting screw 9 is rotated to remove it from the inside of the fixing plate 10 and the leg rest 8, so that the leg rest 8 can rotate on the surface of the rotating cross bar 7, and the limiting latch 15 is rotated to remove it from the inside of the connecting plate 14 and the rotating cross bar 7, so that the rotating cross bar 7 naturally hangs down to the bottom of the support plate 1 on the surface of the reinforcing cross bar 6, which is convenient for the staff to easily adjust the leg rest 8 For folding and unfolding, the leg rest 8 is rotatably connected to the reinforcing cross bar 6 through the rotating cross bar 7, and the design of the connecting screw 9 allows the angle of the leg rest 8 to be flexibly adjusted. Every two connecting screws 9 form a group, and there are four groups of connecting screws 9 symmetrically distributed with the leg rest 8 as the center. This symmetrically distributed connection method ensures the balance and stability of the leg rest 8 when adjusting the angle. At the same time, the connecting screw 9 passes through the fixed plate 10 and the rotating cross bar 7 and extends to the inside of the leg rest 8, so that the height and angle adjustment of the leg rest 8 are more precise, which can meet the different needs of different users for leg support.
[0038] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.
Claims
1. A multifunctional chair, characterized in that: The invention comprises a support plate (1), the top of the support plate (1) is fixedly connected to a sponge seat cushion (2), the top of the support plate (1) is fixedly connected to a support column (3), the top of the support column (3) is fixedly connected to a backrest (4), and the bottom of the support plate (1) is fixedly connected to a support rod (5); The surface of the support rod (5) is fixedly connected to a reinforcing cross rod (6), the surface of the reinforcing cross rod (6) is rotatably connected to a rotating cross rod (7), the surface of the rotating cross rod (7) is rotatably connected to a leg drag (8), the inner thread of the leg drag (8) is connected to a connecting screw (9), the surface of the connecting screw (9) is threadedly connected to a fixing plate (10), the inner thread of the fixing plate (10) is connected to a fixing screw (11), the surface of the fixing screw (11) is threadedly connected to a limiting bracket (12), a positioning groove (13) is provided on the front of the support rod (5), the surface of the support rod (5) is fixedly connected to a connecting plate (14), and the inner thread of the connecting plate (14) is connected to a limiting pin (15).
2. A multifunctional chair according to claim 1, characterized in that: The number of the support columns (3) is set to two, and the surface of the support column (3) is fixedly connected with a sponge seat cushion (2).
3. The multifunctional chair according to claim 1, characterized in that: The number of the rotating cross bars (7) is set to two, and the two rotating cross bars (7) are symmetrically distributed left and right with the reinforcing cross bar (6) as the center, and the rotating cross bars (7) are located at the bottom of the support plate (1).
4. A multifunctional chair as claimed in claim 3, characterized in that: The number of the connecting screws (9) is set to four, and each two form a group. The four connecting screws (9) are symmetrically distributed left and right with the leg drag (8) as the center. The connecting screws (9) pass through the fixing plate (10) and extend to the inside of the leg drag (8).
5. The multifunctional chair according to claim 1, characterized in that: The connecting screw (9) passes through the fixed plate (10) and the rotating cross bar (7) and extends to the inside of the leg drag (8). The number of the fixed screws (11) is set to two, and the two fixed screws (11) are symmetrically distributed left and right with the leg drag (8) as the center.
6. The multifunctional chair according to claim 5, characterized in that: The number of the limiting brackets (12) is set to two, and the two limiting brackets (12) are inserted into the interior of the support rod (5). The number of the positioning grooves (13) is set to two, and the two positioning grooves (13) are symmetrically distributed left and right with the leg drag (8) as the center.
7. The multifunctional chair according to claim 6, characterized in that: The connecting plate (14) is located at the bottom of the supporting plate (1), and the connecting plate (14) and the limiting latch (15) are symmetrically distributed with the supporting plate (1) as the center.