CN213605371U - Swing mechanism and swing chair frame and swing chair provided with same - Google Patents

Abstract

The utility model relates to the technical field of chair swinging, in particular to a swinging mechanism, a swinging chair frame and a swinging chair which are provided with the swinging mechanism; a swing mechanism comprises a driving component, an eccentric component connected with an output shaft of the driving component and a shaft rod component connected with the eccentric component; the eccentric part rotates synchronously and circularly along with the output shaft of the driving component, and one end of the shaft rod component is hinged to the eccentric part and rotates synchronously and circularly along with the eccentric part; during rotation, the shaft assembly swings back and forth; the automatic swinging effect can be realized through the matching of the components of the swinging mechanism, and the swinging mechanism can be suitable for various chair frames capable of swinging.

Description

Swing mechanism and swing chair frame and swing chair provided with same

Technical Field

The utility model relates to a chair sways technical field, concretely relates to swing mechanism and be equipped with this swing mechanism's swing chair frame, rocking chair.

Background

The common office swivel chair is an air pressure lifting type office swivel chair with a spring as a bearing, only has lifting and rotating functions, and is unsafe when people are injured by air pressure. The majority of office people are brainworkers, and the work is heavy, the pressure is high, and the people are easy to feel fatigue. In order to relieve fatigue, relax nerves and reduce pressure, various seats or beds are also provided in the prior art, but these are generally massage chairs and massage beds, which have high cost, complex volume and structure, and limited space in offices, and a massage bed or a massage chair is placed to make the limited space narrower.

Chinese utility model patent like patent publication No. CN202664858U has elucidated an office swivel chair that can sway from beginning to end, including the office swivel chair seatpad that is used for contacting the circular plank on ground, rocking chair frame, the adjustable gradient of back, its characterized in that: the round wood board, the rocking chair frame and the office swivel chair cushion are designed into a whole. When the backward weight of the human body is pressed on the rocking chair frame, the office swivel chair enters a front-back rocking motion state, if the inclination adjusting button of the backrest is adjusted, the backrest of the office swivel chair can be adjusted to be suitable for the comfortable inclination of an individual, the individual can feel relaxed, and the effects of relieving fatigue and relaxing nerves are achieved. Compared with the traditional massage chair, the utility model has the advantage of reduced cost. Compared with the traditional office swivel chair, under the condition of not influencing the appearance and the structural strength of the office swivel chair, the rocking chair frame replaces the traditional office swivel chair bearing and chassis, reduces the components such as a spring, a bearing, an air valve and the like, saves raw materials, reduces the working procedures, and has more compact, practical, simple and safe structural design; the patent mainly leads the chair frame to swing back and forth through the gravity center of the human body, and simultaneously highlights a plurality of problems: firstly, the chair swinging power source can realize the swinging of the chair only by the swinging of a person, so that the effect of relaxing and relieving fatigue of the person cannot be realized, wherein the swinging process still needs the participation of the person; secondly, the swing amplitude cannot be predicted or is limited to be determined according to the rotation angle of the swing frame relative to the seat component; thirdly, the swing-proof device is not suitable for various people, and the swing-proof device cannot swing due to the fact that the gravity center is low or the weight is heavy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a swing mechanism and be equipped with this swing mechanism's swing chair frame, swing chair that stabilize the swing and can let the people alleviate fatigue.

In order to achieve the above object, the main technical solution of the present invention is a swing mechanism, comprising a driving assembly, an eccentric member connected to an output shaft of the driving assembly, and a shaft lever assembly connected to the eccentric member; the eccentric part rotates synchronously and circularly along with the output shaft of the driving component, and one end of the shaft rod component is hinged to the eccentric part and rotates synchronously and circularly along with the eccentric part; during rotation, the shaft assembly swings back and forth; manual swing is replaced by mechanical swing so as to realize more stable swing, and the whole structure is simple and the cost is low; the swinging mechanism under the technology can be used for being installed on various swinging chair frames to automatically swing the chair frames and liberate manpower.

In some examples, the eccentric member is provided with at least one first mounting hole for connecting the output shaft and a plurality of second mounting holes for the hinge shaft assembly; the output shaft is connected and fixed to the first mounting hole, and the shaft lever assembly is in butt joint with the second mounting holes at different positions selectively so as to increase or shorten the circumferential rotation path of the shaft lever assembly; under this technique, the axostylus axostyle subassembly can dock the second mounting hole that is located different positions for the centre of a circle distance of second mounting hole and first mounting hole changes, and then can adjust the amplitude of oscillation of axostylus axostyle subassembly.

In some examples, the shaft assembly includes a main rod, two ends of the main rod are respectively movably connected with an adjusting piece, and the adjusting pieces can extend and retract along the axial direction of the main rod, so as to increase or shorten the axial length of the shaft assembly; under the technical scheme, the amplitude of the swing is further adjusted by increasing or shortening the axial length of the main rod; in addition, under this technical scheme, including the swing joint mode of multiple regulating part and mobile jib tip, can be so that the regulating part adopts the mode of screw thread regulation to stretch out and draw back, also can make to adjust the flexible etc. of direct slide orientation mode.

In some examples, the main rod adopts a screw rod, one end of the adjusting piece is provided with a fisheye bearing, and the other end of the adjusting piece is of a threaded sleeve structure; a pin shaft is connected in the fisheye bearing, and one end of the pin shaft is connected and fixed on the eccentric part; the thread sleeve end of the adjusting piece is sleeved at the end part of the screw rod, and the adjusting piece is adjusted to stretch along the axial direction of the screw rod through threads; adopt the fisheye bearing then can solve the torsion between axostylus axostyle and the eccentric member under the state of rotation or swing, prevent that the condition that axostylus axostyle subassembly takes place to warp takes place.

In some examples, the swing mechanism further comprises a mounting bracket, a through hole for the output shaft of the driving assembly to pass through is formed in the center of the fixed seat, and the output end of the driving assembly is fixedly connected to the mounting bracket; a shaft rod support is fixedly connected to the side wall of the mounting support, a bearing is arranged at the center of the shaft rod support, the output shaft penetrates through the bearing, the mounting support is loaded to enable the driving assembly to be stably driven, and the shaft rod support is installed to prevent the motor shaft rod from being too long and shaking too much during rotation.

In some examples, the driving assembly includes a driving motor, a transmission case, and a motor shaft, which are sequentially connected to each other, the motor shaft is the output shaft, and the motor shaft sequentially passes through the through hole and the bearing, is connected to and fixed to the eccentric member, and rotates synchronously with the eccentric member.

The chair seat assembly comprises a chair seat frame and a swing frame, two sides of the swing frame are respectively hinged to two sides of the chair seat frame, and the swing frame can swing back and forth around a hinged point relative to the chair seat frame; the other end of the shaft lever component acts on the swinging frame to drive the swinging frame to swing back and forth.

In some examples, the rocking frame comprises two rocking members and a movable member, wherein two ends of each rocking member are respectively hinged to the seat frame through a movable member, one end of the movable member is hinged to the seat frame, the other end of the movable member is hinged to the rocking member, and the other end of the shaft lever assembly acts on the movable member.

In some examples, the movable pieces are L-shaped, the turning points of two opposite movable pieces are connected through at least one supporting rod, the other end of the shaft rod component is hinged on the rod body of the supporting rod, and the swinging pieces on two sides of the seat frame synchronously swing back and forth; so that the swinging pieces on the two sides can synchronously swing back and forth.

Also provides a rocking chair which comprises the rocking chair frame.

The utility model discloses owing to adopted above technical scheme to realize following effect:

the automatic swinging effect can be realized through the matching of the components of the swinging mechanism, and the swinging mechanism can be suitable for various swinging chair frames; the swinging of the swinging mechanism can replace manual swinging, and a power source for driving the chair to swing is replaced by machinery from manual swinging, so that the human body is liberated, the human body can be really relaxed when sitting on the chair, and the fatigue is relieved; thirdly, the shaft lever component is arranged on the eccentric parts at different positions to adjust the swing amplitude of the swing mechanism or the swing chair so as to adapt to the requirements of different people; fourthly, the both ends through the mobile jib can carry out flexible characteristics in order to increase the whole length of axostylus axostyle subassembly, adjust the amplitude of fluctuation to adapt to different crowds' needs.

Drawings

Figure 1 is a schematic structural view of an embodiment of the present invention,

figure 2 is a schematic structural view of the oscillating mechanism of the embodiment of figure 1,

figure 3 is a schematic structural view of the swing mechanism of the embodiment of figure 1 from another perspective,

figure 4 is a schematic view of the embodiment of figure 1 with the adjustment member incorporating a fisheye bearing,

figure 5 is an enlarged view of the portion a of the embodiment of figure 1,

figure 6 is a schematic diagram of the forward swing configuration of the chair frame of figure 1,

figure 7 is a schematic diagram of the swinging chair frame swinging backwards of the embodiment of figure 1,

in the figure: the swing mechanism 1, the shaft lever component 11, the adjusting component 111, the fisheye bearing 1111, the swivel nut end 1112, the screw rod 112, the pin shaft 113, the driving component 12, the motor shaft lever 121, the gear box 122, the driving motor 123, the mounting bracket 13, the shaft lever bracket 14, the eccentric component 15, the second mounting hole 151, the first mounting hole 152, the swing component 2, the movable component 3, the support rod 4 and the seat frame 5.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

The first embodiment is as follows:

referring to fig. 1 to 7 of the drawings of the present application, a swing mechanism according to a preferred embodiment of the present invention is illustrated, the swing mechanism 1 includes a driving assembly 12, an eccentric member 15 connected to an output shaft of the driving assembly 12, and a shaft rod assembly 11 connected to the eccentric member 15; the eccentric part 15 rotates around the output shaft of the driving component 12 in a circle, and one end of the shaft rod component 11 is hinged on the eccentric part 15 and rotates synchronously and circularly along with the eccentric part 15; during rotation, the shaft assembly 11 oscillates back and forth forward or backward.

Specifically, in the application process of the swing mechanism 1, in order to enable the driving motor 123 to be stably arranged on the seat frame 5, the swing mechanism 1 further includes an installation support 13, the installation support 13 is in an L-shaped structure, a transverse end of the installation support 13 is connected and fixed to a cross bar of the seat frame 5, and the connection mode may be a welded connection or a detachable connection, in this embodiment, the transverse end of the installation support 13 is installed by using a base type screw, the driving component 12 is connected and fixed to one side wall of a vertical end of the installation support 13, a through hole is arranged in the center of a side wall of a vertical end of the installation support 13, the aperture of the through hole is slightly larger than the diameter of the motor shaft rod 121, so as to facilitate the motor shaft rod 121 to pass through, a shaft rod support 14 is connected and fixed to the other side wall of the vertical end of the installation support 13, and a bearing is arranged in the center of the shaft rod, the bearing and the through hole are positioned at the same axis; the shaft rod bracket 14 is installed to avoid that the motor shaft rod 121 is too long, so that the shaking is too large during rotation, and the shaking amplitude is too large, so that a large torque is easily generated, so that the swing mechanism 1 generates loud noise and the driving motor 123 is easily damaged; the motor shaft 121 penetrates the bearing to rotate, so that the problems existing in the prior art are effectively solved, and the rotation is more stable.

It should be noted that, at least one first mounting hole 152 and a plurality of second mounting holes 151 are disposed on the eccentric member 15, in this embodiment, the eccentric member 15 is provided with one mounting hole site and two second mounting hole sites 151, the first mounting holes and the second mounting hole sites 151 are arranged on the eccentric member 15 in an array, the first mounting hole sites 152 are used for connecting the motor shaft rod 121, the second mounting hole sites 151 are used for connecting one end of the hinge shaft rod assembly 11, when the motor shaft 121 is fixedly connected to the first mounting hole 152 and the shaft assembly 11 is selectively hinged to the two second mounting hole 151 at different positions, at this time, because the centre-to-centre spacing of first installation hole site 152 and second installation hole site 151 changes, and then increases or shortens the circumferential direction route of axostylus axostyle subassembly 11, further influences the swing range size of its axostylus axostyle subassembly 11, realizes can adjusting the swing range of seat support frame 5.

In addition, it is worth mentioning that the shaft lever assembly 11 includes a main lever, two ends of the main lever are respectively and movably connected with an adjusting piece 111, and the adjusting pieces 111 can extend and retract along the axial direction of the main lever, so as to increase or shorten the axial length of the shaft lever assembly 11; specifically, in this embodiment, the main rod adopts a screw rod 112, one end of the adjusting piece 111 is provided with a fisheye bearing 1111, and the other end of the adjusting piece 111 is in a threaded sleeve structure; a pin shaft 113 is connected in the fisheye bearing 1111, and one end of the pin shaft 113 is connected and fixed on the eccentric part 15; the threaded sleeve end 1112 of the adjusting piece 111 is sleeved at the end of the screw rod 112, and the adjusting piece 111 extends outwards or contracts inwards along the axial direction of the screw rod 112 in a threaded adjusting mode so as to increase or shorten the axial length of the main rod; the purpose of increasing or shortening the overall length of the main rod is to change the swing amplitude of the seat frame 5 so as to adapt to different swing requirements; the fisheye bearing 1111 is adopted, so that in the actual swinging process, the pin shaft 113 and the adjusting piece 111 swing to a certain extent, and further a torque force with certain strength is generated; after the fisheye bearing 1111 is arranged, the adjusting piece 111 can adapt to the twisting amplitude of the pin shaft 113, so that the adjusting piece 111 is protected from being damaged and can stably swing; of course, in other embodiments, increasing or decreasing the axial length of the shaft assembly 11 may be achieved in other manners, such as extending or decreasing by telescoping, and so on, and will not be described in detail herein.

The driving assembly 12 includes a driving motor 123, a gearbox 122 and a motor shaft rod 121 which are connected in sequence, the motor shaft rod 121 is an output shaft of the above, one end of the motor shaft rod 121 is provided with a gear which is meshed with the gear in the variable box to rotate, the other end of the motor shaft rod 121 sequentially penetrates through a through hole of the mounting bracket 13 and a bearing on the shaft rod bracket 14 and is connected and fixed in a first mounting hole of the eccentric member 15, so that the driving motor 123 drives the motor shaft rod 121 to rotate, and the eccentric member 15 rotates synchronously and circumferentially around the axis of the motor shaft rod 121 and the motor shaft rod 121.

Example two:

the swing chair frame comprises a chair seat assembly and a swing mechanism 1 in the first embodiment, the swing mechanism 1 is arranged in the chair seat assembly and drives each part of the chair seat assembly to swing through the swing mechanism 1, specifically, the chair seat assembly comprises a chair seat frame 5 and a swing frame, two sides of the swing frame are respectively hinged to two sides of the chair seat frame 5, and the swing frame can swing back and forth around a hinged point relative to the chair seat frame 5; the other end of the shaft lever component 11 acts on the swing frame to drive the swing frame to swing back and forth; in this embodiment, the swing frame includes two swing members 2 and four moving members 3, two ends of each swing member 2 are respectively hinged to a side frame of the seat frame 5 through the moving members 3 to form a structure similar to a swing, wherein the moving members 3 are L-shaped, one end of each moving member 3 is hinged to a side frame of the seat frame 5, the other end of each moving member 3 is hinged to the swing member 2, the turning positions of two opposite moving members 3 are connected through at least one supporting rod 4, and the other end of the shaft rod assembly 11 is hinged to a rod body of the supporting rod 4; the other end of the screw rod 112 is also in threaded connection with an adjusting piece 111, the adjusting piece 111 has the same structure as the adjusting piece 111 in the first embodiment, the adjusting piece 111 is hinged to the supporting rod 4 through a pin shaft 113 in a penetrating manner, and the swinging pieces 2 on two sides of the seat frame 5 can be ensured to synchronously swing back and forth; of course, in other embodiments, two swing mechanisms 1 with the same structure can be arranged in the seat component and respectively act on the movable members 3 on both sides, and only the two swing mechanisms 1 need to realize synchronous operation.

In conclusion, the working principle of the rocking chair frame is as follows: the driving motor 123 provides a power source to output to the motor shaft rod 121 and then connects the eccentric part 15 through the bearing support, the motor shaft rod 121 rotates to drive the eccentric part 15 to rotate, and the fisheye bearing 1111 rod connected with the eccentric part 15 is linked and drives the swing frame to swing back and forth.

The novel point is that the high-precision mounting bracket 13 provides high bearing capacity while fixing the driving motor 123 and the bearing bracket, and the detachable hole sites are convenient to assemble. The bearing support keeps the equidirectional motion with motor shaft rod 121, and accurate bore and elongated extension length avoid motor shaft rod 121 to warp after the pressurized. The output distance adjustable eccentric part 15 has a screw tooth locking function-locking the output power linkage rod rotating shaft to avoid loosening and abnormal sound generation. The fisheye bearing 1111 connecting rod is tight in hole diameter of the connecting hole, the double ends of the connecting rod are provided with universal fisheye bearings 1111, and internal stress can be effectively released in the installation and operation processes of the motor, so that abnormal stress of the motor and deformation of the swing frame can be avoided. The intermediate screw rod 112 has a fine adjustment function, and the deviation of the assembly and installation dimensions can be adjusted quickly correspondingly. The whole linkage mechanism is easy to assemble, the mini size is simplified, the chair or the sofa can be conveniently installed, and the high-precision accessories are smooth and have no abnormal sound when in operation.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention.

The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims (10)

1. A swing mechanism is characterized by comprising a driving component (12), an eccentric part (15) connected with an output shaft of the driving component (12) and a shaft rod component (11) connected with the eccentric part (15); the eccentric part (15) rotates synchronously and circularly along with an output shaft of the driving component (12), and one end of the shaft rod component (11) is hinged to the eccentric part (15) and rotates synchronously and circularly along with the eccentric part (15); during the rotation, the shaft assembly (11) swings back and forth forward or backward.

2. The oscillating mechanism according to claim 1, characterised in that said eccentric (15) is provided with at least a first mounting hole site (152) for the connection of an output shaft, and a plurality of second mounting hole sites (151) for the articulated shaft assembly (11); the output shaft is connected and fixed to the first mounting hole site (152), and the shaft lever assembly (11) is in butt joint with the second mounting hole site (151) in different positions selectively, so that the circumferential rotation path of the shaft lever assembly (11) is increased or shortened.

3. The swing mechanism according to claim 1, wherein the shaft assembly (11) comprises a main rod, two ends of the main rod are respectively movably connected with an adjusting member (111), and the adjusting member (111) can extend and retract along an axial direction of the main rod, so as to increase or decrease an axial length of the shaft assembly (11).

4. The swing mechanism according to claim 3, characterized in that the main rod is a screw rod (112), one end of the adjusting member (111) is provided with a fish eye bearing (1111), and the other end is in a threaded sleeve structure; a pin shaft (113) is connected in the fisheye bearing (1111), and one end of the pin shaft (113) is connected and fixed on the eccentric part (15); the thread insert end (1112) of the adjusting piece (111) is sleeved at the end part of the screw rod (112), and the adjusting piece (111) is adjusted to stretch along the axial direction of the screw rod (112) through threads.

5. The swing mechanism according to claim 1, wherein the swing mechanism (1) further comprises a mounting bracket (13), a through hole for passing an output shaft of the driving assembly (12) is formed in the center of the mounting bracket (13), and an output end of the driving assembly (12) is fixedly connected to the mounting bracket (13); a shaft rod support (14) is fixedly connected to the side wall of the mounting support (13), a bearing is arranged at the center of the shaft rod support (14), and the output shaft penetrates through the bearing.

6. The oscillating mechanism according to claim 5, characterized in that said driving assembly (12) comprises a driving motor (123), a gearbox (122) and a motor shaft (121) connected in sequence, said motor shaft (121) being said output shaft, said motor shaft (121) passing through the through hole and the bearing in sequence and being connected and fixed to the eccentric (15) and rotating synchronously with the eccentric (15).

7. A rocking chair frame, comprising a seat assembly and a rocking mechanism (1) according to any one of claims 1 to 6, the seat assembly comprising a seat frame (5) and a rocking frame, the rocking frame being hinged on either side of the seat frame (5) and being able to rock back and forth about a hinge point relative to the seat frame (5); the other end of the shaft lever component (11) acts on the swing frame to drive the swing frame to swing back and forth.

8. The rocking chair frame according to claim 7, characterized in that it comprises two rocking members (2) and a moving member (3), each rocking member (2) having two ends respectively hinged to the seat frame (5) by a moving member (3), one end of the moving member (3) being hinged to the seat frame (5), the other end of the moving member (3) being hinged to the rocking member (2), the other end of the shaft assembly (11) acting on the moving member (3).

9. The rocking chair frame according to claim 8, wherein the movable members (3) are L-shaped, the turns of two opposite movable members (3) are connected by at least one supporting rod (4), the other end of the shaft assembly (11) is hinged to the rod body of the supporting rod (4), and the rocking members (2) on both sides of the seat frame (5) synchronously rock back and forth.

10. A rocking chair comprising a rocking chair frame as claimed in any one of claims 7 to 9.

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