CN220694864U - Seat frame rotating device - Google Patents

Abstract

The application relates to a seat frame rotary device, it includes underframe, braced frame and actuating mechanism, and actuating mechanism includes first guide rail, second guide rail and two guide components, and first guide rail and second guide rail mutually perpendicular connect in the top of underframe, and a plurality of guide components all rotate with the bottom of braced frame and are connected, and first guide rail slides with one guide component and is connected, and the second guide rail slides with another guide component and is connected. This application braced frame bears handrail or imperial concubine position, and the underframe bears sofa main part, and operating personnel holds the braced frame and rotates, and the braced frame moves with parabolic motion trail for the motion scope of braced frame can be at the scope of underframe top, at the rotatory in-process of braced frame, reduces the sofa structure on the braced frame and the friction that the sofa main part on the underframe produced, thereby reduces the sofa and produces wearing and tearing in long-time use.

Description

Seat frame rotating device

Technical Field

The application relates to the field of furniture, in particular to a seat frame rotating device.

Background

Some sofa products with a bottom frame rotating function exist in the market, the frame structure of the sofa is mainly a rotating shaft structure and a double-sliding rail structure, the bottom frame of the rotating shaft structure directly rotates around a center point, and a seat cushion is rubbed and extruded with a backrest in the rotating process, so that the rotating process is unsmooth; the two slide rail structures are mostly rotatory through two slide rail control underframe in seatpad center bottom, exist the risk of interfering with the underframe spring, and operating personnel is hard at handheld pivoted in-process simultaneously, and the operation experience is relatively poor.

Disclosure of Invention

In order to improve the sofa frame structure and can save more effort and smoothly when rotating, the application provides a seat frame rotating device.

The application provides a seat frame rotary device adopts following technical scheme:

the utility model provides a seat frame rotary device, includes underframe, braced frame and actuating mechanism, and actuating mechanism includes first guide rail, second guide rail and two guide assembly, and first guide rail and second guide rail mutually perpendicular connect in the top of underframe, and a plurality of guide assembly all rotate with the bottom of braced frame and are connected, and first guide rail slides with one guide assembly and is connected, and the second guide rail slides with another guide assembly and is connected.

Through adopting the technical scheme, the supporting frame bears armrests or high-ranked imperial concubine positions, the bottom frame bears the sofa main body, the supporting frame is connected with the first guide rail and the second guide rail in a sliding way through the plurality of guide assemblies, an operator holds the supporting frame to rotate, and the supporting frame moves in a parabolic movement track, so that the movement range of the supporting frame can be in the range of the top of the bottom frame, and the occupation of space is reduced; in the process of rotating the support frame, friction generated between a sofa structure on the support frame and a sofa main body on the bottom frame is reduced, so that abrasion generated by the sofa in long-time use is reduced, and the use durability of the sofa is improved; the parabolic motion trail can enable the supporting frame to utilize potential energy to the greatest extent to push the supporting frame to move, and can obtain larger rotation moment, so that consumption is reduced, and labor is saved for operators; the portion of the support frame that contacts the rail during rotation has a smaller contact area, thereby reducing frictional losses, contributing to longer service life of the mechanical components and reducing maintenance costs.

Optionally, the guide assembly includes carrier, buckling piece and joint piece, and the one end and the carrier of joint piece rotate to be connected, and the other end is connected with the bottom of braced frame, buckling piece and carrier joint, buckling piece and first guide rail or second guide rail slip connection.

Through adopting above-mentioned technical scheme, the carrier plays the effect of connecting guide rail and braced frame, and easy operating personnel dismouting simultaneously changes the guide rail that different models can be connected to the buckling pieces of different models to improve the adjustability of structure.

Optionally, the bottom of carriage is connected with the gag lever post, and the underframe is equipped with a plurality of stopper with gag lever post complex towards one side of carriage, and the gag lever post is equipped with a plurality of spacing grooves that are used for the joint stopper along its self length, and the stopper is used for restricting the removal of gag lever post.

Through adopting above-mentioned technical scheme, operating personnel lifts up the carriage for stopper and spacing groove break away from, and the relative underframe of carriage rotates, and the carriage rotates the stopper to next position department, and makes stopper and spacing groove joint, thereby realizes that the carriage can all be in stable braced state with the different rotation positions of underframe.

Optionally, the buckling piece is in a semi-surrounding arrangement and is connected with the first guide rail or the second guide rail, and a seam for overturning the buckling piece is reserved between the opening of the buckling piece and the first guide rail or the second guide rail.

Through adopting above-mentioned technical scheme, when buckling piece guarantee carriage slides and connects first guide rail or second guide rail, when the carriage was lifted to stopper and spacing groove by operating personnel, carriage and guide assembly were in tilt state this moment, and the seam provides the space for guide assembly's slope, avoids buckling piece and first guide rail or second guide rail or underframe to cut and rub, reduces the risk of part damage.

Optionally, the limiting block comprises a first block, a second block and a third block, the first block, the second block and the third block are all connected with the bottom frame, and the limiting rod has at least one state; state one: the limiting rod rotates to be clamped with the first block and the third block, and the state II is that: the limiting rod rotates to be clamped with the second block body and the third block body.

Through adopting above-mentioned technical scheme, can provide the position that two at least restriction self removed for the carriage, for the user provides nimble usage pattern, when two blocks are spacing to the gag lever post, can increase the stability of carriage, this time can make carriage pivoted position more accurate in two positions, and first block and second block can regard as the backup of third block, share the pressure that the third block received, play the effect of support to the carriage jointly with the cooperation of third block, reduce the risk that the third block damaged, when damage appears in one, another still can play the effect of support, safety and stability have been ensured.

Optionally, the rotation central axes of the guide assemblies connected with the first guide rail are arranged in parallel, and the rotation central axes of the guide assemblies connected with the second guide rail are arranged in parallel.

By adopting the technical scheme, the balance of the supporting frame is maintained, and the moving progress and stability of the supporting frame during sliding are improved.

Optionally, the underframe is equipped with the hole, and the inner wall that the hole kept away from first guide rail and second guide rail side is parabolic setting, and the bottom of supporting frame is connected with restraint mechanism, and restraint mechanism centre gripping underframe inner wall in hole, restraint mechanism follow parabolic direction and remove.

Through adopting above-mentioned technical scheme, restraint mechanism removes along parabolic orbit along with supporting component's rotation, and restraint mechanism is in the state of centre gripping underframe all the time, and the restriction operating personnel lifts up the height of supporting frame, avoids the supporting frame to break away from the underframe at the rotation in-process.

Optionally, the restraint mechanism includes restraint and a plurality of cap, and the restraint is c style of calligraphy, and the top of restraint is connected with the bottom of braced frame, and a plurality of caps are connected with the restraint, and the cap distributes along the direction of movement of restraint.

Through adopting above-mentioned technical scheme, the constraint piece of C style of calligraphy is strong, has certain elasticity, be difficult for deformation or damage in long-time use, and when the constraint piece moved the tip of parabola inner wall, the inner wall butt of lid and hole for the constraint piece alleviates impact force, plays the effect of protection constraint piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support frame bears armrests or high-ranked imperial concubine positions, the bottom frame bears the sofa main body, the support frame is connected with the first guide rail and the second guide rail in a sliding manner through the guide assemblies, the support frame rotates, friction between a sofa structure on the support frame and the sofa main body on the bottom frame is reduced in the rotating process of the support frame, and therefore abrasion of the sofa in long-time use is reduced;

2. the restraint mechanism moves along the parabolic track along with the rotation of the support assembly, and is always in a state of clamping the bottom frame, so that the height of the support frame lifted by an operator is limited, and the support frame is prevented from being separated from the bottom frame in the rotation process;

3. the portion of the support frame that contacts the rail during rotation has a smaller contact area, thereby reducing frictional losses, contributing to longer service life of the mechanical components and reducing maintenance costs.

Drawings

Fig. 1 is a schematic structural view of a seat frame rotating device of the present application.

Fig. 2 is a schematic structural view of the driving mechanism of the present application.

Fig. 3 is a schematic view of the installation positional relationship of the guide assembly of the present application.

Fig. 4 is a schematic view of an exploded construction of the guidance assembly of the present application.

Fig. 5 is a schematic structural view of the support frame of the present application.

Fig. 6 is a schematic structural view of the restraining mechanism of the present application.

Fig. 7 is a schematic view showing a rotating state of the sofa rotating device.

Reference numerals illustrate: 1. a bottom frame; 11. a hole; 2. a support frame; 3. a driving mechanism; 31. a first guide rail; 32. a second guide rail; 33. a guide assembly; 331. a carrier; 332. a fastener; 333. a joint; 334. a buckling cavity; 335. a relief groove; 336. a joint; 4. a limit rod; 41. a limit groove; 5. a limiting block; 51. a first block; 52. a second block; 53. a third block; 6. a restraint mechanism; 61. a restraint; 62. and (3) capping.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a seat frame rotating device.

Referring to fig. 1, the seat frame rotating device includes a bottom frame 1, a supporting frame 2 and a driving mechanism 3, the supporting frame 2 is arranged at the top of the bottom frame 1, the supporting frame 2 and the bottom frame 1 are rotatably connected through the driving mechanism 3, so that the supporting frame 2 can present different angles relative to the bottom frame 1, the supporting frame 2 can wrap a high-ranked imperial concubine seat or a sofa armrest and the like, the bottom frame 1 bears a sofa main body, the supporting frame 2 rotates relative to the bottom frame 1, so that the high-ranked imperial concubine seat or the sofa armrest and the like can rotate relative to the sofa main body, and the sofa is enabled to be flexible according to use requirements under different scenes. In this implementation, hollow frame construction in the braced frame, hollow frame provide deformation space for installing the spring on the braced frame to can reduce the thickness of braced frame, make the structure compacter, reduce the occupation in space.

Referring to fig. 2, the driving mechanism 3 includes a first guide rail 31 and a second guide rail 32, where the first guide rail 31 and the second guide rail 32 are perpendicularly bolted to the top of the bottom frame 1, one end of the first guide rail 31 and one end of the second guide rail 32 are close to each other to form a right-angle structure, the driving mechanism 3 further includes at least two sets of guide assemblies 33, in this embodiment, the number of the guide assemblies 33 is two, the two sets of guide assemblies 33 are all rotationally connected to the bottom of the supporting frame 2, the rotation central axes of the two sets of guide assemblies 33 are parallel to each other, one set of guide assemblies 33 is slidingly connected with the first guide rail 31, and the other set of guide assemblies 33 is slidingly connected with the second guide rail 32, so that the supporting frame 2 can rotate relative to the bottom frame 1.

Referring to fig. 3 and 4, the guide assembly 33 includes a carrier 331, a snap 332, and a joint 333, the joint 333 being rotatably connected to the top of the carrier 331, the joint 333 being fixedly connected to the bottom of the support frame 2. The carrier 331 is provided with a buckling cavity 334, and the outer wall of the buckling piece 332 is spliced with the inner wall of the buckling cavity 334 so as to facilitate the replacement of the buckling piece 332 and adapt to different installation sizes. The inner wall of the buckling piece 332 is arc-shaped, the outer wall of the first guide rail 31 and the outer wall of the second guide rail 32 are both provided with arc structures matched with the buckling piece 332, the inner wall of the buckling piece 332 is buckled with the sliding part of the first guide rail 31 or the second guide rail 32 in an extrusion manner, a seam 336 for overturning the buckling piece 332 is reserved between the opening of the buckling piece 332 and the first guide rail 31 or the second guide rail 32, a space is reserved for inclining and overturning the buckling piece 332, and interference when the buckling piece 332 overturns along with the supporting frame 2 is avoided.

The inner wall of the buckling piece 332 is provided with a plurality of abdication grooves 335, so that the contact area of the buckling piece 332 and the guide rail is reduced, the friction resistance is reduced, the transmission precision is improved, the friction noise and vibration between the buckling piece 332 and the guide rail are reduced, and the transmission stability is improved.

Referring to fig. 2 and 5, the bottom of the supporting frame 2 is provided with a limit lever 4, the limit lever 4 is located at a position of the supporting frame 2 away from the guiding component 33, and a limit groove 41 is provided on one side of the limit lever 4 facing away from the supporting frame 2. The underframe 1 is fixedly connected with a plurality of limiting blocks 5, in the embodiment, the limiting blocks 5 are distributed at different positions of the underframe 1, so that the effect of limiting and bearing the supporting frame 2 is achieved by the limiting grooves 41 of the limiting rods 4 being clamped with the limiting blocks 5 after the supporting frame 2 rotates to the vicinity of the limiting blocks 5.

In the present embodiment, the number of the limiting blocks 5 is three, including a first block 51, a second block 52 and a third block 53, the first block 51 is located on the inner side of the first rail 31 far from the second rail 32, the second block 52 is located on the inner side of the second rail 32 far from the first rail 31, and the third block 53 is located on the diagonal of the rectangular frame structure formed by the first rail 31 and the second rail 32. When the supporting frame 2 rotates and the limiting rod 4 is parallel to the second guide rail 32, the first block 51 and the third block 53 are respectively clamped with one limiting groove 41 of the supporting frame 2 to limit the supporting frame 2.

Slightly lift up carriage 2 and make first block 51 and third block 53 break away from spacing groove 41, carriage 2 rotates 90 degrees, gag lever post 4 and first guide rail 31 are parallel, put down carriage 2 and make second block 52 and third block 53 respectively with a spacing groove 41 joint of carriage 2 to realized the spacing to two positions of carriage 2, the guarantee can play stable supporting role under the limit position, the circumstances that carriage 2 appears rotating by oneself when avoiding the user to use produces.

Referring to fig. 5 and 6, a restraint mechanism 6 is arranged at the bottom of the support frame 2, the restraint mechanism 6 comprises a restraint member 61 and a plurality of caps 62, the restraint member 61 is c-shaped, and the top of the restraint member 61 is fixedly connected with the bottom of the support frame 2. The hole 11 has been seted up to the underframe 1, and the inner wall part of hole 11 is parabolic, and restraint piece 61 and the underframe 1 joint of hole 11 position department, restraint piece 61 can be along the parabolic inner wall removal of hole 11 along with the rotation of braced frame 2 for restraint piece 61 can play the restriction effect to braced frame 2 all the time, in order to restrict braced frame 2 by the height that lifts up, avoids guide assembly 33 to break away from the guide rail completely.

In the present embodiment, the number of the caps 62 is two, and the caps 62 are fixedly connected to both sides of the moving direction of the constraint member 61, respectively. When the restraint 61 slides to the parabolic inner wall end of the hole 11, the cap 62 abuts against the inner wall of the hole 11, and the cap 62 plays a role of buffering, so that the restraint 61 is prevented from directly striking the inner wall of the hole 11, and the risk of damage to the restraint 61 is reduced.

The implementation principle of the embodiment 1 is as follows: the operator lifts the free end of the support frame 2, i.e. away from the position where the first rail 31 and the second rail 32 are connected. In this process, the restraint 61 limits the height of the supporting frame 2 lifted by the operator, so that the limiting rod 4 at the bottom of the supporting frame 2 can be separated from the limiting block 5, but the supporting frame 2 is buckled with the first guide rail 31 and the second guide rail 32 through the buckling pieces 332, the operator rotates the supporting frame 2, at this time, one group of buckling pieces 332 slides with the first guide rail 31, the other group of buckling pieces 332 slides with the second guide rail 32, the engaging pieces 333 of the two groups of guiding assemblies 33 rotate, and therefore, the supporting frame 2 moves in a parabolic shape relative to the bottom frame, the position of the limiting rod 4 relative to the bottom frame 1 is changed, and the position of the limiting rod 4 is changed from a state of being clamped with the first block 51 and the third block 53 to a state of being clamped with the limiting rod 4 and the second block 52 and the third block 53, so that the movement of the relative position of the supporting frame 2 is completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A seat frame rotating device, characterized in that: including underframe (1), braced frame (2) and actuating mechanism (3), actuating mechanism (3) include first guide rail (31), second guide rail (32) and two guide assembly (33), first guide rail (31) and second guide rail (32) mutually perpendicular connect in the top of underframe (1), and a plurality of guide assembly (33) all rotate with the bottom of braced frame (2) and are connected, first guide rail (31) slide with one guide assembly (33) and are connected, second guide rail (32) slide with another guide assembly (33) and are connected.

2. The bezel rotating device of claim 1, wherein: the guide assembly (33) comprises a carrier (331), a buckling piece (332) and a joint piece (333), one end of the joint piece (333) is rotationally connected with the carrier (331), the other end of the joint piece is connected with the bottom of the supporting frame (2), the buckling piece (332) is clamped with the carrier (331), and the buckling piece (332) is slidably connected with the first guide rail (31) or the second guide rail (32).

3. The bezel rotating device of claim 1, wherein: the bottom of carriage (2) is connected with gag lever post (4), one side of underframe (1) orientation carriage (2) is equipped with a plurality of stopper (5) with gag lever post (4) complex, gag lever post (4) are equipped with a plurality of spacing groove (41) that are used for joint stopper (5) along its self length, stopper (5) are used for restricting the removal of gag lever post (4).

4. The bezel rotating device of claim 2, wherein: the buckling piece (332) is in a semi-surrounding arrangement and is connected with the first guide rail (31) or the second guide rail (32), and a seam (336) for overturning the buckling piece (332) is reserved between the opening of the buckling piece (332) and the first guide rail (31) or the second guide rail (32).

5. A bezel rotating apparatus as defined in claim 3, wherein: the limiting block (5) comprises a first block body (51), a second block body (52) and a third block body (53), the first block body (51), the second block body (52) and the third block body (53) are all connected with the bottom frame, and the limiting rod (4) has at least one state; state one: the limiting rod (4) rotates to be clamped with the first block (51) and the third block (53), and the state II is that: the limiting rod (4) rotates to be clamped with the second block (52) and the third block (53).

6. The bezel rotating device of claim 1, wherein: the rotation central axes of a plurality of guide assemblies (33) connected with the first guide rail (31) are arranged in parallel, and the rotation central axes of the other guide assemblies (33) connected with the second guide rail (32) are arranged in parallel.

7. The bezel rotating device of claim 1, wherein: the bottom frame (1) is provided with a hole (11), the inner wall of the side of the hole (11) far away from the first guide rail (31) and the second guide rail (32) is parabolic, the bottom of the supporting frame (2) is connected with a constraint mechanism (6), the constraint mechanism (6) clamps the inner wall of the hole (11) of the bottom frame (1), and the constraint mechanism (6) moves along the parabolic direction.

8. The bezel rotating device of claim 7, wherein: the restraining mechanism (6) comprises a restraining piece (61) and a plurality of caps (62), wherein the restraining piece (61) is in a c shape, the top of the restraining piece (61) is connected with the bottom of the supporting frame (2), the caps (62) are connected with the restraining piece (61), and the caps (62) are distributed along the moving direction of the restraining piece (61).