CN218219653U

CN218219653U - Embrace and prop position control mechanism that embraces of thing to sit on

Info

Publication number: CN218219653U
Application number: CN202222043321.2U
Authority: CN
Inventors: 李风波; 叶枝飞
Original assignee: Shanghai Jinglun Hand Technology Co ltd
Current assignee: Shanghai Jinglun Hand Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-06
Anticipated expiration: 2032-08-04

Abstract

A holding and supporting position adjusting mechanism of a holding and supporting seat belongs to the technical field of holding and supporting seats. The lifting device comprises a seat bottom plate and a lifting component for controlling the lifting of a seat cushion so as to adjust the relative height between the seat cushion and a holding support arm; the lifting assembly comprises a base, a mounting seat movably connected with the base, a lifting rod for lifting the cushion and a driving wheel for driving the lifting rod to rotate and lift. The lifting component can also be used for controlling the lifting of the holding arm to realize the adjustment of the relative height position between the holding arm and the cushion. The utility model discloses can realize propping among the thing to embracing and just sitting the person and just sitting the height or embrace the armful arm of propping and embrace the regulation that props the height to adjust just sitting the height and embrace and prop the relative position between the height, satisfy different stature proportion crowds' needs of just sitting.

Description

Embrace and prop position control mechanism that embraces of thing to sit on

Technical Field

The utility model belongs to the technical field of embrace and prop thing to sit on, concretely relates to embrace and prop position control mechanism of embracing of thing to sit on.

Background

The holding and supporting seat is a seat which can assist the holding and supporting of the human body through the holding and supporting arms and is matched with the cushion to sit and support the human body when the human body sits, and can reduce the stress of the human body and reduce the damage of the body parts of the seated person, such as the spine and the like, caused by bearing larger acting force for a long time; but because the stature proportion of different people of sitting is different, the demand diverse between the height is propped with embracing to the height that different people of sitting height and correspond, consequently need design one kind and can embrace the mechanism that props position control to satisfy different crowds' needs of sitting.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, an object of the utility model is to provide an embrace and prop position control mechanism that embraces of thing to prop thing to sit, it can be adjusted just sitting the person highly and embrace and prop the relative position between the height, satisfies the sitting demand of different stature crowds.

The utility model provides a following technical scheme:

a holding and supporting position adjusting mechanism of a holding and supporting seat comprises a seat bottom plate and a lifting assembly, wherein the lifting assembly is used for controlling the lifting of a seat cushion so as to adjust the relative height between the seat cushion and a holding and supporting palm on a holding and supporting arm; the lifting assembly comprises a base, a mounting seat movably connected with the base, a lifting rod for lifting the cushion and a driving wheel for driving the lifting rod to rotate and lift. The lifting component can also be adopted to control the lifting of the holding support arm to realize the adjustment of the relative height between the holding support position of the holding support palm and the cushion.

Furthermore, the number of the holding support arms is two, and the two holding support arms are respectively positioned on two sides of the upper part of the seat bottom plate; the lifting assembly is arranged between the two holding arms.

Furthermore, the base and the mounting seat are both of a sleeve structure, and the lower part of the base and the upper part of the mounting seat are matched and combined to form a sliding pair capable of relatively moving along the vertical direction.

Furthermore, the lifting rod is connected with the mounting base through a transition block, and the transition block is fixedly arranged on the mounting base.

Furthermore, the outside of lifter is equipped with the external screw thread, is equipped with the internal thread with the external screw thread matched with on the lifter on the transition piece, and lifter and transition piece form screw thread through the cooperation structure between the internal and external screw thread and close coupling mechanism soon.

Furthermore, the upper part of the lifting rod is inserted into a lifting sliding pair formed by combining the base and the mounting seat, the end part of the upper end of the lifting rod is connected with a tubular connecting rod, the cushion is arranged at the upper end of the connecting rod, the lower end of the cushion is connected with a driving wheel, and the driving wheel is driven by an external driving mechanism.

Furthermore, a guide sleeve is arranged between the connecting rod and the mounting seat; the lower part of connecting rod cooperation setting is in the inside of uide bushing, and the uide bushing is fixed to be set up in the inside of mount pad.

Further, the outside cover of the sliding pair who comprises base and mount pad is equipped with the spring, the spring is located and is used for supporting and reseing the cushion between cushion and the thing to sit on bottom plate.

Through adopting above-mentioned technique, compare with prior art, the beneficial effects of the utility model are as follows:

1) The utility model can realize the adjustment of the sitting height of the sitting person or the holding height of the holding support palm in the holding support sitting tool, so as to adjust the relative position between the sitting height and the holding height and meet the sitting requirements of people with different body-size proportions;

2) In the utility model, the lifting rod is arranged, and the cushion is lifted by utilizing the rotary lifting of the lifting rod under the driving of the external driving piece; the force transmission of the sitting person is facilitated through a sliding pair formed between the base and the mounting seat, a fixed connecting structure between the guide sleeve and the mounting seat, a matching structure between the connecting rod and the guide sleeve, a connecting structure between the lifting rod and the connecting rod and a connecting structure between the lifting rod and the transition block; and through the spring that sets up, play the effect that cushion when sitting buffering support and play the body when restoring the cushion.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the internal cross-sectional structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments of the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.

Referring to fig. 1-3, a clasping and supporting position adjusting mechanism for clasping and supporting a seat comprises a seat bottom plate 1 and a lifting assembly 2 arranged on the seat bottom plate 1, wherein two clasping and supporting arms 3 are respectively arranged on two sides of the upper end surface of the seat bottom plate 1, and the clasping and supporting arms 3 are slidably connected with the seat bottom plate 1 through a sliding fit mechanism composed of guide rail sliders to realize linkage movement; lifting unit 2 sets up and embraces between the arm 3 at two, and cushion 4 sets up on lifting unit 2, can drive cushion 4 through adjusting lifting unit 2 and go up and down to adjust just sitting the height of sitting person and embrace the armful of propping palm and prop the relative position between the height.

Specifically, the lifting assembly 2 includes a base 201, a mounting base 202, a lifting rod 203, a transition block 204, a connecting rod 205, a driving wheel 206 and a guide sleeve 207.

Wherein:

the base 201 and the mounting seat 202 are both of a sleeve structure, the lower part of the base 201 is inserted into the upper part of the mounting seat 202 in a matching way, and the base 201 and the mounting seat 202 can move relatively along the vertical direction to form a sliding pair in a combined way.

The upper part of the lifting rod 203 is inserted into the cavity inside the base 201 and the mounting seat 202, the lower end part of the lifting rod is connected with a driving wheel 206, and the driving wheel 206 is driven by an external driving mechanism; the external driving mechanism can adopt a belt wheel driving mechanism and can also adopt other driving mechanisms to realize the driving operation in the embodiment; the belt wheel driving mechanism is controlled by a knob arranged on the armrest of the seat.

The lifting rod 203 is of a screw rod structure, and external threads are arranged on the outer side of the lifting rod; the transition block 204 is fastened and installed on the inner side wall of the installation base 202 through a fastening screw, the transition block 204 is of an annular structure, inner threads matched with the outer threads on the lifting rod 203 are arranged on the inner side wall of the transition block, and the lifting rod 203 and the transition block 204 form a thread screwing connection mechanism through a matching structure between the inner threads and the outer threads.

The upper end of the lifting rod 203 is in limit connection with a connecting rod 205, a bearing mechanism is arranged between the connecting rod 205 and the lifting rod 203, and the cushion 4 is arranged at the upper end of the connecting rod 205; the guide sleeve 207 is arranged inside the upper end of the mounting seat 202 and is fixedly connected with the mounting seat 202; the lower portion of the connecting rod 205 is fittingly disposed inside the guide sleeve 207.

Specifically, the outside of the sliding pair composed of the base 201 and the mounting seat 202 is sleeved with a spring 5, and the spring 5 is located between the seat cushion 4 and the seat bottom plate 1 and used for resetting the seat cushion 4.

In this embodiment, the height of the supporting arm 3 can be adjusted by lifting the supporting arm to adjust the relative position between the sitting height of the sitting person and the supporting height of the supporting arm.

The working principle of the mechanism of the embodiment is as follows:

according to the actual stature requirement of a sitting person, a knob arranged on a seat shell is adjusted, a belt wheel mechanism drives a driving wheel 206 to rotate, a lifting rod 203 is driven to lift, a seat cushion 4 is driven to lift through a connecting rod 205, the height of the seat cushion 4 is adjusted, and the relative position adjustment between the sitting height of the sitting person and the supporting height of a supporting palm is realized; then, under the effect of link gear, embrace the arm 3 and remove in opposite directions, will sit the person and embrace and prop, cooperate cushion 4 to support the person of sitting for the person of sitting reaches the most comfortable effect of sitting when sitting.

In the sitting process, the force transmission of a sitting person is realized through a sliding pair formed between the base 201 and the mounting seat 202, a fixed connecting structure between the guide sleeve 207 and the mounting seat 202, a matching structure between the connecting rod 205 and the guide sleeve 207, a connecting structure between the lifting rod 203 and the connecting rod 205 and a connecting structure between the lifting rod 203 and the transition block 204, and the buffering and the supporting of the sitting person are realized through the arranged spring 5; when the sitting person gets up, the spring 5 plays a role in driving the cushion 4 to reset.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an embrace and prop position control mechanism that embraces thing to sit on which characterized in that: comprises a seat bottom plate and a lifting component for controlling the lifting of the seat cushion so as to adjust the relative height between the seat cushion and a holding support palm on a holding support arm; the lifting assembly comprises a base, a mounting seat movably connected with the base, a lifting rod for lifting the cushion and a driving wheel for driving the lifting rod to rotate and lift.

2. The embracing brace position adjusting mechanism of a embracing brace seat according to claim 1, wherein the number of the embracing brace arms is two, and the two embracing brace arms are respectively positioned at two sides of the upper part of the seat bottom plate; the lifting component is arranged between the two holding arms.

3. A clasping and bracing position adjusting mechanism for clasping and bracing seat as claimed in claim 2, wherein the base and the mounting seat are of a sleeve structure, and the lower part of the base and the upper part of the mounting seat are cooperatively arranged and combined to form a sliding pair capable of relatively moving along the vertical direction.

4. A clasping and supporting position adjusting mechanism for clasping and supporting seat as claimed in claim 3, characterized in that the lifting rod is connected with the mounting seat through a transition block, and the transition block is fixedly arranged on the mounting seat.

5. A clasping and supporting position adjusting mechanism for a clasping and supporting seat as claimed in claim 4, characterized in that the outside of the lifting rod is provided with external threads, the transition block is provided with internal threads matched with the external threads on the lifting rod, and the lifting rod and the transition block form a thread screwing connection mechanism through a matching structure between the internal threads and the external threads.

6. A clasping and supporting position adjusting mechanism for clasping and supporting seat as claimed in claim 5, wherein the upper part of said lifting rod is inserted into the lifting and sliding pair formed by the base and the mounting seat, the upper end of the lifting rod is connected with a tubular connecting rod, the cushion is arranged at the upper end of the connecting rod, the lower end of the cushion is connected with a driving wheel, and the driving wheel is driven by an external driving mechanism.

7. A clasping and supporting position adjusting mechanism of a clasping and supporting seat as claimed in claim 6, characterized in that a guide sleeve is arranged between the connecting rod and the mounting seat; the lower part cooperation setting of connecting rod is in the inside of uide bushing, and the uide bushing is fixed to be set up in the inside of mount pad.

8. A clasping and supporting position adjusting mechanism for a clasping and supporting seat as claimed in claim 7, characterized in that a spring is sleeved outside the sliding pair consisting of the base and the mounting seat, and the spring is positioned between the cushion and the seat bottom plate and used for supporting and resetting the cushion.