Stable seat supporting frame

By introducing an automatic return mechanism and an anti-fall mechanism into the seat support frame, the bolt loosening problem caused by seat vibration is solved, and more stable connection and automatic reset is achieved, extending the service life of the seat and reducing the maintenance frequency.

CN223195764UActive Publication Date: 2025-08-08FOSHAN SHUNDE XINSHITAI FURNITURE IND CO LTD
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Patent Information

Application Number
CN202423198867.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-08-08
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The seat will vibrate when adjusting the height or moving position, causing the bolts of the support frame to loosen or fall off, reducing the stability of the connection, increasing the maintenance frequency, and affecting the use effect.

Method used

A stable seat support frame is designed, including a sleeve, a foot, an automatic return mechanism and an anti-fall mechanism. The axial movement of the bolt is restricted through the hexagonal groove of the bolt main body through the top column insertion, and the automatic return mechanism and a torsion spring are used to achieve automatic reset and stable rotation of the seat.

Benefits of technology

It enhances the stability of the connection part, reduces the maintenance frequency caused by bolt loosening, extends the service life of the seat, reduces maintenance costs, and improves the use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of seat support structures, and discloses a stable seat support frame, which comprises a sleeve and a plurality of groups of support legs welded on the surface of the sleeve, and a mounting sleeve is arranged above the sleeve; an automatic return mechanism for driving the mounting sleeve to automatically reset is mounted in the sleeve; a supporting frame is fixedly mounted at the top end of the mounting sleeve, and connecting plates which are symmetrically arranged are fixed to the surface of the supporting frame. Through holes are formed in the two ends of the connecting plate, bolt bodies are arranged in the through holes, the stable seat supporting frame can limit axial movement of the bolt bodies by inserting the jacking columns into the inner hexagonal grooves formed in the bolt bodies, and therefore bolt body looseness caused by vibration is reduced when a seat is adjusted or moved, the stability of the seat is improved, and the service life of the seat is prolonged. The stability of the connecting part is enhanced, the maintenance frequency caused by loosening of the bolt main body due to vibration can be reduced, the service life of the seat is prolonged, the maintenance cost is reduced, and the using effect of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of seat bracket structures, in particular to a stable seat support frame. Background Art

[0002] As the pace of modern life accelerates, people have higher and higher requirements for their home environment, especially for the comfort and functionality of home seats. In home seats, the support frame structure is an important structural component and plays a key role in ensuring the stability and durability of the seat.

[0003] Currently, seats will vibrate during use, especially when adjusting the height or moving the position. These vibrations may cause the bolts of the support frame to gradually loosen or even fall off, reducing the stability of the connection between the support frame and the seat, increasing the maintenance frequency, and affecting the use effect. Therefore, we have proposed a stable seat support frame to solve the above problems. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a stable seat support frame, which solves the problem that vibrations will be generated when adjusting the height or moving the position. These vibrations may cause the bolts of the support frame to gradually loosen or even fall off, reducing the stability of the connection between the support frame and the seat, increasing the maintenance frequency, and affecting the use effect.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a stable seat support frame, comprising a sleeve and a plurality of groups of legs welded to the surface of the sleeve, wherein a mounting sleeve is provided above the sleeve;

[0006] An automatic return mechanism is installed inside the sleeve to drive the installation sleeve to automatically reset;

[0007] A support frame is fixedly mounted on the top of the mounting sleeve, and symmetrically arranged connecting plates are fixed on the surface of the support frame;

[0008] Through holes are formed at both ends of the connecting plate, and bolt bodies are arranged in the through holes;

[0009] An anti-falling mechanism for blocking and limiting the bolt body is installed on the connecting plate.

[0010] Preferably, the automatic return mechanism comprises an outer shell fixed to the inner side wall of the sleeve and a rotating shaft arranged inside the outer shell, and two sets of bearings are installed between the rotating shaft and the outer shell;

[0011] The bearing can be used for stable rotation support of the rotating shaft. A torsion spring is provided between the rotating shaft and the outer shell. The two ends of the torsion spring are fixedly connected to the rotating shaft and the outer shell respectively. The mounting sleeve is fixedly sleeved on the surface of the rotating shaft.

[0012] Preferably, the anti-falling mechanism includes a square rod provided below the connecting plate, top columns fixed at both ends of the square rod, and side plates provided on both sides of the square rod;

[0013] Two groups of symmetrically arranged locking rods are sliding on the side panel, a rectangular plate is provided on one side of the side panel, the two groups of locking rods are fixed on the surface of the rectangular plate, symmetrically arranged spring parts are fixed between the rectangular plate and the side panel, and a slot adapted for the locking rod is provided on the surface of the square rod.

[0014] Preferably, the side plate and the connecting plate are fixedly connected, and one end of the top column is inserted into the hexagonal groove formed in the bolt body.

[0015] Preferably, a sliding hole adapted to the locking rod is provided on the side plate, the locking rod and the side plate are slidably connected via the sliding hole, and an inclined surface is provided on one side of the locking rod.

[0016] Preferably, a protective cover is fixedly mounted on one side of the side panel.

[0017] Preferably, symmetrically arranged positioning pins are fixed to the lower surface of the connecting plate, one end of the positioning pin is in a conical structure, a conflict ring is fixed to the surface of the positioning pin, and positioning holes adapted to the positioning pins are provided on the square rod.

[0018] Beneficial effects

[0019] The utility model provides a stable seat support frame. Compared with the prior art, it has the following advantages:

[0020] This stable seat support frame is inserted into the hexagonal groove formed in the bolt body through the top column, which can limit the axial movement of the bolt body, thereby reducing the loosening of the bolt body due to vibration when the seat is adjusted or moved, enhancing the stability of the connection part, reducing the maintenance frequency caused by the loosening of the bolt body due to vibration, extending the service life of the seat, reducing maintenance costs, and improving the use effect of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a cross-sectional view of the automatic return mechanism structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the anti-falling mechanism structure of the utility model;

[0024] Figure 4 This is a dismantling diagram of the protective cover structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the utility model's top column and bolt separation structure.

[0026] In the figure: 101, sleeve; 102, support foot; 103, mounting sleeve; 104, support frame; 105, connecting plate; 106, bolt body; 2, automatic return mechanism; 201, bearing; 202, rotating shaft; 203, torsion spring; 204, outer shell; 3, anti-falling mechanism; 301, square rod; 302, top column; 303, side plate; 304, locking rod; 305, rectangular plate; 306, spring part; 307, slot; 308, protective cover; 309, positioning hole; 310, positioning pin; 311, contact ring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figure 1 As shown:

[0029] A stable seat support frame comprises a sleeve 101 and a plurality of groups of supporting legs 102 welded to the surface of the sleeve 101.

[0030] In this embodiment: In order to solve the technical problems existing in this prior art, as disclosed in the background technology above, "the front seat will generate vibrations during use, especially when adjusting the height or moving the position. These vibrations may cause the bolts of the support frame to gradually loosen or even fall off, reducing the stability of the connection between the support frame and the seat, increasing the maintenance frequency, and affecting the use effect." In terms of combined use, this problem is obviously a real problem that exists and is relatively difficult to solve.

[0031] More specifically:

[0032] like Figure 1-Figure 5 As shown:

[0033] In combination with the above content: a mounting sleeve 103 is provided above the sleeve 101;

[0034] An automatic return mechanism 2 is installed inside the sleeve 101 to drive the mounting sleeve 103 to automatically return to its original position;

[0035] The automatic return mechanism 2 includes an outer shell 204 fixed to the inner wall of the sleeve 101 and a rotating shaft 202 arranged inside the outer shell 204. Two sets of bearings 201 are installed between the rotating shaft 202 and the outer shell 204.

[0036] The bearing 201 can be used to provide stable rotation support for the rotating shaft 202. A torsion spring 203 is provided between the rotating shaft 202 and the outer shell 204. The two ends of the torsion spring 203 are fixedly connected to the rotating shaft 202 and the outer shell 204 respectively. The mounting sleeve 103 is fixedly sleeved on the surface of the rotating shaft 202.

[0037] A support frame 104 is fixedly mounted on the top of the mounting sleeve 103, and symmetrically arranged connecting plates 105 are fixed on the surface of the support frame 104;

[0038] Through holes are formed at both ends of the connecting plate 105, and bolt bodies 106 are disposed in the through holes;

[0039] The connecting plate 105 is provided with an anti-falling mechanism 3 for blocking and limiting the bolt body 106;

[0040] The anti-fall mechanism 3 includes a square rod 301 provided below the connecting plate 105, top posts 302 fixed to both ends of the square rod 301, and side plates 303 provided on both sides of the square rod 301.

[0041] Two sets of symmetrically arranged locking rods 304 slide on the side plate 303. A rectangular plate 305 is provided on one side of the side plate 303. The two sets of locking rods 304 are fixed to the surface of the rectangular plate 305. Symmetrically arranged spring members 306 are fixed between the rectangular plate 305 and the side plate 303. A slot 307 is provided on the surface of the square rod 301 to match the locking rods 304.

[0042] The side plate 303 and the connecting plate 105 are fixedly connected, and one end of the top column 302 is inserted into the hexagonal groove provided in the bolt body 106;

[0043] A sliding hole adapted to the locking rod 304 is provided on the side plate 303 , and the locking rod 304 and the side plate 303 are slidably connected through the sliding hole. An inclined surface is provided on one side of the locking rod 304 .

[0044] In this embodiment: when using the stable seat support frame, first place the seat plate (not shown in the figure) on the support frame 104 and connect and install it;

[0045] Then, the bolt body 106 is passed through the through hole of the connecting plate 105 and screwed into the threaded hole of the seat plate, so that the connection between the seat plate and the connecting plate 105 is locked;

[0046] When the lock rod 305 is unlocked, the lock rod 306 is unlocked, and the lock rod 305 is unlocked.

[0047] By inserting the top post 302 into the hexagonal socket formed in the bolt body 106, the axial movement of the bolt body 106 can be limited, thereby reducing the loosening of the bolt body 106 due to vibration when the seat is adjusted or moved, thereby enhancing the stability of the connection part, reducing the maintenance frequency caused by the loosening of the bolt body 106 due to vibration, extending the service life of the seat, reducing maintenance costs, and improving the use effect of this device;

[0048] When a person sits on the seat board and rotates, the seat board then drives the mounting sleeve 103 to rotate through the support frame 104, and the mounting sleeve 103 drives the rotating shaft 202 to rotate. The setting of the bearing 201 can achieve stability during the rotation of the rotating shaft 202, and the rotation effect is smoother. While the rotating shaft 202 rotates, under the action of external force, the torsion spring 203 can be a spiral spring. The spiral coil of the spiral spring will stretch or shorten. Depending on the design of the spring, it may store a large amount of elastic potential energy. When the person leaves, the external force is removed and the torsion spring 203 begins to restore its original shape. Due to the elastic characteristics of the spring, it will automatically rebound and try to return to a state without being stretched or compressed. In this process, the stored elastic potential energy is converted into kinetic energy, driving the mounting sleeve 103 and the support frame 104 to return to their original position. Through this operation, after the user gets up and leaves the seat, the mounting sleeve 103 can support the frame 104 to drive the seat board to reset, without the need for manual position adjustment, thereby improving the overall user experience and providing better usage effects to meet actual usage needs.

[0049] Going further;

[0050] In an optional embodiment, a protective cover 308 is fixedly mounted on one side of the side panel 303 .

[0051] In this embodiment: by setting the protective cover 308, the spring part 306 and the rectangular plate 305 can be shielded and protected. During transportation, it is reduced that people touch or pull the rectangular plate 305, which causes the locking rod 304 on the rectangular plate 305 to disengage from the slot 307, thereby causing the square rod 301 to fall off and be lost.

[0052] Going further;

[0053] In an optional embodiment, symmetrically arranged positioning pins 310 are fixed to the lower surface of the connecting plate 105, one end of the positioning pin 310 is a conical structure, a resistance ring 311 is fixed to the surface of the positioning pin 310, and a positioning hole 309 adapted to the positioning pin 310 is opened on the square rod 301.

[0054] In this embodiment: the positioning hole 309 of the square rod 301 is aligned with the positioning pin 310, and one end of the positioning pin 310 has a tapered structure, so that the size of one end of the positioning pin 310 is smaller than the inner diameter of the positioning hole 309, so that the positioning hole 309 opened in the square rod 301 can be inserted into the positioning pin 310 more quickly. At this time, the square rod 301 is limited and supported by the resistance ring 311. Through this operation, the installation and positioning of the square rod 301 can be quickly performed. Through this structure, the top column 302 is just aligned with the hexagonal groove of the bolt body 106 and is fully inserted into the hexagonal groove. At the same time, the locking rod 304 corresponds to the slot 307, which is convenient for quick engagement.

[0055] The working principle and use process of the present invention are as follows: when using the stable seat support frame, first place the seat plate (not shown in the figure) on the support frame 104, and then pass the bolt body 106 through the through hole opened in the connecting plate 105 and screw it into the threaded hole of the seat plate, so that the connection between the seat plate and the connecting plate 105 is locked, and the square rod 301 is pressed, and the two ends of the square rod 301 correspond to the inner hexagonal groove of the bolt body 106. In this process, the square rod 301 squeezes the locking rod 304. Since one side of the locking rod 304 is designed with an inclined surface structure, when the locking rod 304 is squeezed, the two sides are at the same time. The two sets of locking rods 304 slide on the side plates 303 in a direction away from each other, and at the same time, the locking rods 304 drive the rectangular plate 305 to move and stretch the spring member 306. When the slot 307 provided in the square rod 301 corresponds to the locking rod 304, the spring member 306 contracts, thereby driving the rectangular plate 305 and the locking rod 304 to move, so that the locking rod 304 is inserted into the slot 307 provided in the square rod 301, thereby limiting and locking the square rod 301. Then, the square rod 301 drives the two sets of top posts 302 to lock their positions; the top post 302 is inserted into the hexagonal groove provided in the bolt body 106, which can limit the axial movement of the bolt body 106.

[0056] When a person sits on the seat board and rotates, the seat board drives the mounting sleeve 103 to rotate through the support frame 104, and the mounting sleeve 103 drives the rotating shaft 202 to rotate. While the rotating shaft 202 rotates, under the action of external force, the torsion spring 203 can be a vortex spring, and the spiral line coil of the vortex spring will lengthen or shorten. When the person leaves, the external force is removed, and the torsion spring 203 begins to restore its original shape. Due to the elastic characteristics of the spring, it will automatically rebound. In this process, the stored elastic potential energy is converted into kinetic energy, driving the mounting sleeve 103 and the support frame 104 to return to their original position.

[0057] At the same time, the contents not described in detail in this specification belong to the existing technology well known to those skilled in the art.

Claims

1. A stable seat support frame, comprising a sleeve (101) and a plurality of support legs (102) welded to the surface of the sleeve (101), characterized in that: A mounting sleeve (103) is provided above the sleeve (101); An automatic return mechanism (2) for driving the mounting sleeve (103) to automatically return to its original position is installed inside the sleeve (101); A support frame (104) is fixedly mounted on the top of the mounting sleeve (103), and symmetrically arranged connecting plates (105) are fixed on the surface of the support frame (104); Through holes are formed at both ends of the connecting plate (105), and bolt bodies (106) are provided in the through holes; An anti-falling mechanism (3) for blocking and limiting the bolt body (106) is installed on the connecting plate (105).

2. The stable seat support frame according to claim 1, characterized in that: The automatic return mechanism (2) comprises an outer shell (204) fixed to the inner wall of the sleeve (101) and a rotating shaft (202) arranged inside the outer shell (204), and two sets of bearings (201) are installed between the rotating shaft (202) and the outer shell (204); The bearing (201) can be used to provide stable rotation support for the rotating shaft (202); a torsion spring (203) is provided between the rotating shaft (202) and the outer shell (204); two ends of the torsion spring (203) are fixedly connected to the rotating shaft (202) and the outer shell (204), respectively; and the mounting sleeve (103) is fixedly sleeved on the surface of the rotating shaft (202).

3. The stable seat support frame according to claim 1, characterized in that: The anti-falling mechanism (3) comprises a square rod (301) arranged below the connecting plate (105), top columns (302) fixed to both ends of the square rod (301), and side plates (303) arranged on both sides of the square rod (301); Two sets of symmetrically arranged locking rods (304) are slidably mounted on the side plate (303), a rectangular plate (305) is provided on one side of the side plate (303), the two sets of locking rods (304) are fixed on the surface of the rectangular plate (305), symmetrically arranged spring members (306) are fixed between the rectangular plate (305) and the side plate (303), and a slot (307) adapted to the locking rod (304) is provided on the surface of the square rod (301).

4. The stable seat support frame according to claim 3, characterized in that: The side plate (303) and the connecting plate (105) are fixedly connected, and one end of the top column (302) is inserted into the hexagonal groove formed in the bolt body (106).

5. The stable seat support frame according to claim 3, characterized in that: The side plate (303) is provided with a sliding hole adapted to the locking rod (304), the locking rod (304) and the side plate (303) are slidably connected via the sliding hole, and an inclined surface is provided on one side of the locking rod (304).

6. The stable seat support frame according to claim 3, characterized in that: A protective cover (308) is fixedly mounted on one side of the side plate (303).

7. The stable seat support frame according to any one of claims 3 to 6, characterized in that: The lower surface of the connecting plate (105) is fixed with symmetrically arranged positioning pins (310), one end of the positioning pins (310) is in a conical structure, a contact ring (311) is fixed to the surface of the positioning pins (310), and the square rod (301) is provided with a positioning hole (309) adapted to the positioning pins (310).