CN219125791U

CN219125791U - Automatic lifting device for inclined chair frame

Info

Publication number: CN219125791U
Application number: CN202223297514.7U
Authority: CN
Inventors: 高志亮
Original assignee: Changzhou Xieshou Smart Home Co ltd
Current assignee: Changzhou Xieshou Smart Home Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-06
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of chair frames and discloses an automatic lifting device of an inclined chair frame. Separating mechanism includes the motor, motor fixedly connected with pole in inside the bottom plate, motor top fixedly connected with pole, the first bevel gear of pole top fixedly connected with, first bevel gear both sides surface meshing is connected with second bevel gear respectively, fixedly connected with bull stick in the middle of the second bevel gear one side, bull stick one end fixedly connected with chuck, chuck one side fixedly connected with rectangle piece, rectangle piece one side fixedly connected with spring, chuck surface is provided with the rotary drum, rotary drum fixedly connected with card strip, the rotary drum lower surface is provided with the cassette, cassette bottom and bottom plate top fixedly connected with. The automatic lifting device of the inclined chair frame is convenient to control the inclination angle and the height of the chair frame respectively through the arranged separating mechanism, so that the comfort level of the backrest chair frame is more convenient for the part to be adjusted.

Description

Automatic lifting device for inclined chair frame

Technical Field

The utility model relates to the technical field of chair frames, in particular to an automatic lifting device for an inclined chair frame.

Background

The chair is a daily life appliance, a seat with a backrest and armrests, and can enable people to feel more comfortable when enjoying life and relieve fatigue of people, so that the chair frame is popular with people in daily life and is widely applied to the environments such as families, parks and the like.

A folding chair frame is disclosed in accordance with patent number CN 205214740U. Aims at providing a folding chair frame with simple structure and convenient use. The scheme is as follows: the folding chair frame comprises a chair seat frame and two front chair legs fixedly connected to the chair seat frame, wherein a connecting plate is hinged to a rear end plate of the chair seat frame through a hinge, a chair back frame is hinged to the connecting plate through a hinge, and two rear chair legs are fixedly connected to two ends of the connecting plate; the rear end plate, the connecting plate and the chair back frame are locked by a locking mechanism to lock the use state of the chair frame.

The folding chair frame can have a certain folding effect in actual use and has a certain adjusting effect, but the folding chair frame does not have an adjusting lifting function, so that the folding chair frame is inconvenient for some special use people, such as the people with inconvenient legs and feet, or the situation that the chair frame is too high is met, and the folding chair frame is inconvenient for some people who want to adjust the comfort level of the backrest chair frame, therefore, an automatic lifting device of the tilting chair frame needs to be designed.

Disclosure of Invention

The present utility model is directed to an automatic lifting device for an inclined chair frame, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic lifting device of the inclined chair frame comprises a bottom plate, a separating mechanism is fixedly connected inside the bottom plate, a driving mechanism is fixedly connected in the middle of the top of the bottom plate, a telescopic rod is fixedly connected to the left end of the top of the bottom plate, a telescopic assembly is fixedly connected to the right end of the top of the bottom plate, and a chair frame body is fixedly connected to the top end of the telescopic assembly.

The separating mechanism comprises a motor, the motor is fixedly connected inside the bottom plate, motor top fixedly connected with pole, the first bevel gear of pole top fixedly connected with, first bevel gear both sides surface meshing is connected with second bevel gear respectively, fixedly connected with bull stick in the middle of second bevel gear one side, bull stick one end fixedly connected with chuck, chuck one side fixedly connected with rectangle piece, rectangle piece one side fixedly connected with spring, chuck surface is provided with the rotary drum, rotary drum fixedly connected with card strip, the rotary drum lower surface is provided with the cassette, cassette bottom and bottom plate top fixedly connected with.

Preferably, the through hole is formed in the top of the bottom plate, the surface of the electric pole penetrates through the through hole formed in the top of the bottom plate, and the surface of the electric pole rotates in the through hole formed in the top of the bottom plate.

Preferably, the bull stick surface swing joint has the expansion ring, expansion ring bottom fixedly connected with bracing piece, bracing piece bottom and bottom plate top fixed connection.

Preferably, the inner wall of the rotary drum is provided with a circular groove, two sides of the circular groove are respectively provided with an opening, and the chuck is positioned in the circular groove.

Preferably, the actuating mechanism includes the backing bar, backing bar fixedly connected with is in the middle of the bottom plate top, backing bar top fixedly connected with supporting ring, the inside rotation of supporting ring is connected with the pivot, pivot one end fixedly connected with third bevel gear, third bevel gear surface engagement is connected with fourth bevel gear, fixedly connected with lead screw in the middle of the fourth bevel gear, the lead screw bottom rotates with the bottom plate top to be connected, lead screw upper surface threaded connection has a screw thread section of thick bamboo, the screw thread section of thick bamboo has two, and the left side screw thread section of thick bamboo top articulates there is T shape draw bar, T shape draw bar surface sliding connection has T shape guide rail, T shape guide rail top and chair support body bottom left side fixed connection, the right side screw thread section of thick bamboo top and chair support body bottom right-hand member fixed connection, screw thread section of thick bamboo surface fixedly connected with lifter, lifter bottom both ends respectively with telescopic link top end fixed connection, chair support body bottom and telescopic assembly top fixed connection.

Preferably, the inner wall of one end of the rotating shaft is provided with a rectangular through hole, the surface of the rectangular block is in sliding connection with the rectangular through hole, one end of the inner wall of the rotating shaft is fixedly connected with one end of the spring, and the rectangular block can conveniently slide in the rectangular through hole.

Preferably, a sliding hole is formed in the other side of the rotary drum, and the surface of the rotary shaft is in sliding connection with the sliding hole.

Compared with the prior art, the utility model provides the automatic lifting device of the inclined chair frame, which has the following beneficial effects:

1. this automatic lifting device of slope chair frame, through the separating mechanism who sets up, rotate the rotary drum and let the card strip card advance in the arc draw-in groove to rely on the elasticity of spring to support, because the removal of rotary drum drives chuck and bull stick and removes this moment, and drives and break away from each other the meshing between the bevel gear, thereby conveniently carry out the inclination to the chair frame and highly adjusting control respectively, thereby can be more convenient to the comfort level that the part wants to adjust back chair frame.

2. This automatic lifting device of slope chair frame, through the actuating mechanism who sets up, drive screw section of thick bamboo when the lead screw rotates goes up and down to let T shape draw runner slide in T shape guide rail, and can drive the high lift of chair frame through screw section of thick bamboo, thereby can let the chair frame carry out inclination and adjust on the one hand, on the other hand can also carry out the high regulation of chair frame, thereby adapt to the inconvenient crowd of leg and foot, perhaps meet the too high regulation of chair frame.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective cross-sectional view of a base plate structure of the present utility model;

FIG. 3 is a perspective cross-sectional view of the separation mechanism of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2B;

FIG. 6 is an enlarged schematic view of FIG. 2 at C;

fig. 7 is an enlarged schematic view of the structure of fig. 3 at D.

In the figure: 1. a bottom plate; 2. a separation mechanism; 21. a motor; 22. an electric pole; 23. a first bevel gear; 24. a second bevel gear; 25. a rotating rod; 251. a movable ring; 252. a support rod; 26. a chuck; 27. rectangular blocks; 271. a spring; 28. a rotating drum; 281. clamping strips; 29. a clamping seat; 3. a driving mechanism; 31. a support bar; 32. a support ring; 33. a rotating shaft; 34. a third bevel gear; 341. a fourth bevel gear; 35. a screw rod; 36. a thread cylinder; 37. a T-shaped slide; 38. a T-shaped guide rail; 39. a lifting plate; 4. a telescopic rod; 5. a chair frame; 6. and a telescoping assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides the following technical scheme:

example 1

Referring to fig. 2 to 7, the automatic lifting device of the tilting chair frame comprises a bottom plate 1, wherein a separating mechanism 2 is fixedly connected inside the bottom plate 1, a driving mechanism 3 is fixedly connected in the middle of the top of the bottom plate 1, a telescopic rod 4 is fixedly connected to the left end of the top of the bottom plate 1, a telescopic assembly 6 is fixedly connected to the right end of the top of the bottom plate 1, and a chair frame body 5 is fixedly connected to the top end of the telescopic assembly 6;

separating mechanism 2 includes motor 21, motor 21 fixedly connected with pole 22 inside bottom plate 1, pole 22 top fixedly connected with first bevel gear 23, first bevel gear 23 both sides surface meshing is connected with second bevel gear 24 respectively, fixedly connected with bull stick 25 in the middle of second bevel gear 24 one side, bull stick 25 one end surface fixedly connected with chuck 26, chuck 26 one side fixedly connected with rectangular piece 27, rectangular piece 27 one side fixedly connected with spring 271, chuck 26 surface is provided with rotary drum 28, rotary drum 28 surface fixedly connected with card strip 281, rotary drum 28 lower surface is provided with cassette 29, the through-hole has been seted up at cassette 29 bottom and bottom plate 1 top fixedly connected with bottom plate 1 top, pole 22 surface runs through the through-hole of seting up at bottom plate 1 top, bull stick 25 surface swing joint has expansion ring 251, expansion ring 251 bottom fixedly connected with bracing piece 252, bracing piece 252 bottom and bottom plate 1 top fixedly connected with bottom.

Further, the inner wall of the rotary drum 28 is provided with a circular groove, two sides of the circular groove are respectively provided with openings, the chuck 26 is positioned in the circular groove, the rotary drum 28 is rotated to enable the clamping strip 281 to be clamped into the arc-shaped clamping groove and supported by the elasticity of the spring 271, at the moment, the chuck 26 and the rotary rod 25 are driven to move and the bevel gears are driven to be separated from each other to be meshed, so that the inclination angle and the height of the chair frame are conveniently controlled respectively, and the comfort level of the backrest chair frame is required to be adjusted by parts.

Example two

Referring to fig. 1-7, and based on the first embodiment, the driving mechanism 3 further includes a support rod 31, the support rod 31 is fixedly connected in the middle of the top of the bottom plate 1, the top end of the support rod 31 is fixedly connected with a support ring 32, a rotating shaft 33 is rotatably connected inside the support ring 32, one end of the rotating shaft 33 is fixedly connected with a third bevel gear 34, the surface of the third bevel gear 34 is in meshed connection with a fourth bevel gear 341, a screw rod 35 is fixedly connected in the middle of the fourth bevel gear 341, the bottom end of the screw rod 35 is rotatably connected with the top of the bottom plate 1, the upper surface of the screw rod 35 is in threaded connection with a threaded cylinder 36, two threaded cylinders 36 are provided, the top end of the left threaded cylinder 36 is hinged with a T-shaped slide bar 37, the surface of the T-shaped slide bar 37 is slidably connected with a T-shaped guide rail 38, the top of the T-shaped guide rail 38 is fixedly connected with the left side of the bottom of the chair frame 5, the top end of the right threaded cylinder 36 is fixedly connected with the right end of the bottom of the chair frame 5, two ends of the lifting plate 39 are fixedly connected with the top of the telescopic rod 4 respectively, the bottom of the lifting plate is fixedly connected with the bottom of the telescopic assembly 6, the bottom end of the rectangular through hole 33 is provided with a rectangular through hole 33, and one end of the rectangular through hole 27 is fixedly connected with one end of the through hole 271.

Further, the slide hole is formed in the other side of the rotary drum 28, the surface of the rotary shaft 33 is in sliding connection with the slide hole, the screw rod 35 drives the threaded cylinder 36 to lift when rotating, the T-shaped slide bar 37 slides in the T-shaped guide rail 38, and the chair frame can be driven to lift through the threaded cylinder 36, so that on one hand, the chair frame can be adjusted in inclination angle, on the other hand, the chair frame can be adjusted in height, so that people with inconvenience in legs and feet can be accommodated, or the chair frame can be adjusted when being too high.

In the actual operation process, when the device is used, an arc-shaped clamping groove is formed in the top of the clamping seat 29 and is convenient for clamping the clamping strip 281, wherein the chair frame body 5 is a chair with an adjustable chair frame, when the chair frame body 5 needs to be lifted, the rotary drum 28 arranged on the left side of the first bevel gear 23 is moved leftwards, the clamping strip 281 is moved to the arc-shaped clamping groove formed in the clamping seat 29, the rotary drum 28 is rotated to clamp the clamping strip 281 into the arc-shaped clamping groove and is supported by the elasticity of the spring 271, at the moment, the movement of the rotary drum 28 drives the chuck 26 and the rotary rod 25 leftwards and drives the second bevel gear 24 on the left side to be separated from the meshing of the first bevel gear 23, then the motor 21 is started to drive the electric pole 22 to work and drive the second bevel gear 24 meshed on the right side of the first bevel gear 23 to rotate, and drives the rotary rod 25 and the rectangular block 27 on the right side to rotate in the rectangular through hole formed in the right rotary shaft 33, so as to drive the third bevel gear 34 and the fourth bevel gear 341 to rotate and drive the right bevel gear 35 to rotate, so as to drive the right lead screw 36 to lift the chair frame body 5;

meanwhile, when the inclination angle of the chair frame needs to be adjusted, the second bevel gear 24 on the left side of the first bevel gear 23 is meshed under the action of the structure, the second bevel gear 24 on the right side is separated, then the screw rod 35 on the left side drives the threaded cylinder 36 on the left side to lift when rotating, and the T-shaped sliding strip 37 slides in the T-shaped guide rail 38, so that the chair frame can be adjusted in inclination angle.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. Automatic elevating gear of tilting chair frame, including bottom plate (1), its characterized in that: the novel multifunctional chair comprises a bottom plate (1), wherein a separating mechanism (2) is fixedly connected inside the bottom plate (1), a driving mechanism (3) is fixedly connected in the middle of the top of the bottom plate (1), a telescopic rod (4) is fixedly connected to the left end of the top of the bottom plate (1), a telescopic assembly (6) is fixedly connected to the right end of the top of the bottom plate (1), and a chair frame body (5) is fixedly connected to the top end of the telescopic assembly (6);

separating mechanism (2) are including motor (21), motor (21) fixedly connected with is inside bottom plate (1), motor (21) top fixedly connected with pole (22), first bevel gear (23) of pole (22) top fixedly connected with, first bevel gear (23) both sides surface meshing is connected with second bevel gear (24) respectively, fixedly connected with bull stick (25) in the middle of second bevel gear (24) one side, bull stick (25) one end fixedly connected with chuck (26), chuck (26) one side fixedly connected with rectangle piece (27), rectangle piece (27) one side fixedly connected with spring (271), chuck (26) surface is provided with rotary drum (28), rotary drum (28) surface fixedly connected with card strip (281), rotary drum (28) lower surface is provided with cassette (29), cassette (29) bottom and bottom plate (1) top fixedly connected.

2. The automatic lifting device of an inclined chair frame according to claim 1, wherein: the bottom plate (1) top has seted up the through-hole, pole (22) surface runs through the through-hole of seting up in bottom plate (1) top.

3. The automatic lifting device of an inclined chair frame according to claim 1, wherein: the surface of the rotating rod (25) is movably connected with a movable ring (251), the bottom of the movable ring (251) is fixedly connected with a supporting rod (252), and the bottom end of the supporting rod (252) is fixedly connected with the top of the bottom plate (1).

4. The automatic lifting device of an inclined chair frame according to claim 1, wherein: the inner wall of the rotary drum (28) is provided with a circular groove, two sides of the circular groove are respectively provided with an opening, and the chuck (26) is positioned in the circular groove.

5. The automatic lifting device of an inclined chair frame according to claim 1, wherein: the driving mechanism (3) comprises a supporting rod (31), the supporting rod (31) is fixedly connected in the middle of the top of the bottom plate (1), the top of the supporting rod (31) is fixedly connected with a supporting ring (32), a rotating shaft (33) is rotatably connected inside the supporting ring (32), one end of the rotating shaft (33) is fixedly connected with a third bevel gear (34), the surface of the third bevel gear (34) is meshed with a fourth bevel gear (341), a screw rod (35) is fixedly connected in the middle of the fourth bevel gear (341), the bottom end of the screw rod (35) is rotatably connected with the top of the bottom plate (1), thread cylinders (36) are connected with the upper surface of the screw rod (35), two thread cylinders (36) are arranged on the left side, T-shaped sliding strips (37) are hinged to the top of the thread cylinders (36), T-shaped sliding strips (37) are connected with T-shaped guide rails (38) in a sliding manner, the top of the T-shaped sliding strips (38) are fixedly connected with the left side of the bottom of the chair frame body (5), the top of the right side of the thread cylinders (36) is fixedly connected with the bottom of the frame body (5), the right side of the screw rod (36) is fixedly connected with the right side of the top of the lifting plate (39), the lifting plate (39) is fixedly connected with the two ends of the lifting plate (4), the bottom end of the chair frame body (5) is fixedly connected with the top end of the telescopic component (6).

6. The automatic lifting device for an inclined chair frame according to claim 5, wherein: the inner wall of one end of the rotating shaft (33) is provided with a rectangular through hole, the surface of the rectangular block (27) is in sliding connection with the rectangular through hole, and one end of the inner wall of the rotating shaft (33) is fixedly connected with one end of the spring (271).

7. The automatic lifting device for an inclined chair frame according to claim 5, wherein: the other side of the rotary drum (28) is provided with a sliding hole, and the surface of the rotating shaft (33) is in sliding connection with the sliding hole.