CN219147136U

CN219147136U - Mechanical single chair plate lifting structure

Info

Publication number: CN219147136U
Application number: CN202222748994.8U
Authority: CN
Inventors: 张月静; 陶茂咏
Original assignee: Changzhou Xieshou Smart Home Co ltd
Current assignee: Changzhou Xieshou Smart Home Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-06-09
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of mechanical single chairs and discloses a mechanical single chair plate lifting structure. Through the elevating system who sets up, carry out unified elevating system to the overall structure that the seat includes the seat, make this single chair bedplate can not take place great change when going up and down self structure, can not cause the injury to the user, and the security has been improved, the staff only need start servo motor drive the axis of rotation forward and backward and can accomplish the up-and-down regulation work to the seat height, easy operation is convenient for the staff use, make the user of different sizes all can adjust the seat height according to self, the application scope of this single chair has been increased, the comfort level of use of this single chair has been improved.

Description

Mechanical single chair plate lifting structure

Technical Field

The utility model relates to the technical field of mechanical single chairs, in particular to a lifting structure of a seat plate of a mechanical single chair.

Background

The existing mechanical assembly seat is of a fixed structure after being installed, a user cannot adjust the height of a seat plate of a single seat, and comfort level of users of different sizes in using the single seat is reduced.

According to a mechanical seat safety lifting chair (CN 214510365U) disclosed by national patent network, a driving motor transmits rotary motion to a worm through a coupler, the worm transmits rotary motion to a worm wheel, the worm wheel transmits rotary motion to a rotating shaft, a power bevel gear connected with the rotating shaft rotates and is meshed with a driven bevel gear, the rotary motion is transmitted to a screw rod, the screw rod is meshed with a nut pair through threads, the rotary motion of the screw rod is transmitted to the nut pair, the nut pair moves horizontally along the axial direction of the screw rod, the movement of the nut pair is transmitted to a first connecting rod, the first connecting rod rotates relative to the nut pair around a first shaft, a second connecting rod is connected with the first connecting rod through a sliding block, the second connecting rod rotates relative to a support around a second shaft, the connecting rod moves to the sliding block, the sliding block lifts and moves horizontally in the seat, and the sliding block is connected with the seat, so that the seat lifts in a sliding groove, and the seat lifts.

The case is used for adjusting the height of the seat plate alone, but not the whole seat part, a gap is formed between the seat plate and a lower plate after the seat plate moves upwards, and the inner sides of thighs can be clamped by a user sitting on the seat plate, so that the safety is low.

Disclosure of Invention

The present utility model is directed to a mechanical single seat plate lifting structure, which solves 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 mechanical single-seat-plate lifting structure comprises a seat, wherein the bottom of the seat is provided with a lifting mechanism, and the bottom of the lifting mechanism is provided with a moving mechanism.

The lifting mechanism comprises a threaded rod, the threaded rod is fixedly connected to the bottom of the seat, a sleeve is sleeved on the outer ring of the threaded rod, a limiting rod is fixedly connected to the bottom of the right side of the threaded rod, a limiting chute is formed in the right side of the sleeve corresponding to the position of the limiting rod, and a connecting block is fixedly connected to the left side of the sleeve.

Preferably, the servo motor is fixedly connected with the left side of the connecting block, the top of the servo motor is fixedly connected with a rotating shaft, the top of the rotating shaft is fixedly connected with a first bevel gear, the servo motor is fixed on the left side of the sleeve through the connecting block, and the servo motor drives the first bevel gear to rotate through the rotating shaft.

Preferably, the first bevel gear outer ring is meshed with a second bevel gear, the second bevel gear inner ring is fixedly connected with a threaded cylinder, a convex ring is fixedly connected to the position, below the second bevel gear, of the threaded cylinder outer ring, the first bevel gear drives the threaded cylinder to rotate through the second bevel gear, and the threaded cylinder rotates to drive the threaded rod to move up and down in the sleeve.

Preferably, the bulge loop outer lane rotates and is connected with the lantern ring, lantern ring bottom fixedly connected with L type linking arm, L type linking arm fixed connection is in sleeve outer lane top position, and the lantern ring rotates and is connected in bulge loop outer lane to the support of screw thread section of thick bamboo, and the lantern ring is fixed in sleeve outer lane top through L type linking arm and supports bulge loop and the screw thread section of thick bamboo that rotates and be connected in the lantern ring inner circle.

Preferably, the moving mechanism comprises a fixed seat, the fixed seat is fixedly connected to the bottom of the sleeve, the outer ring of the fixed seat is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly connected with a fixed ring, and the connecting rods with a plurality of numbers are connected with the fixed seat and the fixed ring, so that the structural strength between the fixed ring and the fixed seat is improved.

Preferably, the outer side of the fixed ring is fixedly connected with a supporting leg, the bottom of the supporting leg is fixedly connected with a universal wheel, and the universal wheel is fixed on the outer side of the fixed ring through the supporting leg.

Preferably, the number of the supporting legs and the universal wheels is five, the distance between the supporting legs is the same, and the universal wheels can enable a user to move in any direction when sitting in the seat.

Compared with the prior art, the utility model provides a mechanical single chair plate lifting structure, which has the following beneficial effects:

1. this mechanical type list chair bedplate elevation structure, through the elevating system who sets up, carry out unified elevating system to the overall structure that the seat includes the seat, make this list chair bedplate can not take place great change when going up and down self structure, can not cause the injury to the user, the security has been improved, the staff only need start servo motor drive the axis of rotation forward and backward and can accomplish the work of adjusting up and down to the seat height, easy operation is convenient for the staff use, make the user of different sizes all can adjust the seat height according to self, the application scope of this list chair has been increased, the comfort level of use of this list chair has been improved.

2. This mechanical type list chair bedplate elevation structure through the moving mechanism who sets up, can carry out the removal of arbitrary direction when user sits in the seat, and a plurality of connecting rods have increased the joint strength between fixing base and the solid fixed ring, have improved the stability of structure.

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 schematic front view of the present utility model;

FIG. 2 is a schematic view of a seat portion;

FIG. 3 is an exploded view of a portion of the structure of the present utility model;

FIG. 4 is a partial cross-sectional view of the lifting mechanism;

fig. 5 is a schematic view of a part of the structure of the lifting mechanism.

In the figure: 1. a lifting mechanism; 11. a threaded rod; 12. a sleeve; 13. a limit rod; 1301. limiting sliding grooves; 14. a servo motor; 1401. a connecting block; 15. a rotating shaft; 16. a first bevel gear; 17. a second bevel gear; 18. a thread cylinder; 1801. a convex ring; 19. a collar; 1901. an L-shaped connecting arm; 2. a moving mechanism; 21. a fixing seat; 22. a connecting rod; 23. a fixing ring; 24. a support leg; 25. a universal wheel; 3. and (5) a seat.

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 a technical scheme that:

example 1

Referring to fig. 1 to 5, the mechanical single seat plate lifting structure comprises a seat 3, wherein a lifting mechanism 1 is arranged at the bottom of the seat 3, and a moving mechanism 2 is arranged at the bottom of the lifting mechanism 1.

The lifting mechanism 1 comprises a threaded rod 11, the threaded rod 11 is fixedly connected to the bottom of the seat 3, a sleeve 12 is sleeved on the outer ring of the threaded rod 11, a limiting sliding groove 1301 is formed in the position, corresponding to the limiting rod 13, of the right side of the sleeve 12, a connecting block 1401 is fixedly connected to the left side of the sleeve 12, a servo motor 14 is fixedly connected to the left side of the connecting block 1401, a rotating shaft 15 is fixedly connected to the top of the servo motor 14, a first bevel gear 16 is fixedly connected to the top of the rotating shaft 15, a second bevel gear 17 is meshed with the outer ring of the first bevel gear 16, a threaded cylinder 18 is fixedly connected to the inner ring of the second bevel gear 17, a convex ring 1801 is fixedly connected to the outer ring of the threaded cylinder 18, a lantern ring 19 is rotatably connected to the outer ring of the convex ring 1801, an L-shaped connecting arm 1901 is fixedly connected to the bottom of the lantern ring 19, and the L-shaped connecting arm 1901 is fixedly connected to the top of the outer ring of the sleeve 12.

Further: the stop lever 13 sliding connection carries out the spacing to threaded rod 11 in spacing spout 1301, make threaded rod 11 unable to rotate in sleeve 12, can only follow screw thread section of thick bamboo 18 rotation and carry out the reciprocating in sleeve 12, servo motor 14 is fixed in sleeve 12 left side through connecting block 1401, servo motor 14 drives first bevel gear 16 rotation through axis of rotation 15, first bevel gear 16 drives screw thread section of thick bamboo 18 through second bevel gear 17 and rotates, screw thread section of thick bamboo 18 rotation drives threaded rod 11 and reciprocates in sleeve 12, the lantern ring 19 rotates and connects in the bulge loop 1801 outer lane and supports screw thread section of thick bamboo 18, lantern ring 19 is fixed in sleeve 12 outer lane top through L type linking arm 1901 and supports bulge loop 1801 and screw thread section of thick bamboo 18 that rotates the connection is in the inner circle of lantern ring 19.

Example two

Referring to fig. 3, on the basis of the first embodiment, it is further obtained that the moving mechanism 2 includes a fixed seat 21, the fixed seat 21 is fixedly connected to the bottom of the sleeve 12, an outer ring of the fixed seat 21 is fixedly connected with a connecting rod 22, an outer side of the connecting rod 22 is fixedly connected with a fixing ring 23, an outer side of the fixing ring 23 is fixedly connected with a supporting leg 24, a universal wheel 25 is fixedly connected to the bottom of the supporting leg 24, the number of the supporting legs 24 and the universal wheel 25 is five, and the distance between the supporting legs 24 is the same.

Further: the fixed seat 21 and the fixed ring 23 are connected by the connecting rods 22 with a plurality of numbers, so that the structural strength between the fixed ring 23 and the fixed seat 21 is increased, the universal wheels 25 are fixed on the outer side of the fixed ring 23 through the supporting legs 24, and the universal wheels 25 can move in any direction when a user sits in the seat 3.

In the actual operation process, when the device is used and the height of the seat 3 needs to be adjusted, the servo motor 14 is started firstly to drive the rotating shaft 15 to rotate, the rotating shaft 15 rotates to drive the first bevel gear 16 to rotate, the first bevel gear 16 rotates to drive the second bevel gear 17 to rotate, the second bevel gear 17 rotates to drive the threaded cylinder 18 to rotate, the threaded cylinder 18 rotates to drive the threaded rod 11 to move upwards in the inner ring of the sleeve 12, the sleeve 12 moves upwards to drive the seat 3 to move upwards, the lifting of the horizontal height of the seat 3 is completed at the moment, when the height of the seat 3 needs to be reduced, the servo motor 14 is started firstly, except that the servo motor 14 is started to drive the rotating shaft 15 to rotate reversely, the rotating shaft 15 is known to drive the threaded rod 11 to move upwards, the rotating shaft 15 is reversely driven to drive the threaded rod 11 to move downwards at the moment, and the down-regulating of the height of the seat 3 is completed at the moment.

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. Mechanical single chair plate lifting structure, including seat (3), its characterized in that: the bottom of the seat (3) is provided with a lifting mechanism (1), and the bottom of the lifting mechanism (1) is provided with a moving mechanism (2);

elevating system (1) includes threaded rod (11), threaded rod (11) fixedly connected with seat (3) bottom, sleeve (12) have been cup jointed in threaded rod (11) outer lane, threaded rod (11) right side bottom fixedly connected with gag lever post (13), spacing spout (1301) have been seted up on sleeve (12) right side corresponding gag lever post (13) position, sleeve (12) left side fixedly connected with connecting block (1401).

2. The mechanical single seat pan lifting structure of claim 1, wherein: the left side of connecting block (1401) fixedly connected with servo motor (14), servo motor (14) top fixedly connected with axis of rotation (15), axis of rotation (15) top fixedly connected with first bevel gear (16).

3. The mechanical single seat pan lifting structure of claim 2, wherein: the outer ring of the first bevel gear (16) is meshed with a second bevel gear (17), the inner ring of the second bevel gear (17) is fixedly connected with a threaded cylinder (18), and the outer ring of the threaded cylinder (18) is positioned below the second bevel gear (17) and fixedly connected with a convex ring (1801).

4. A mechanical single seat pan lifting structure according to claim 3, wherein: the outer ring of the convex ring (1801) is rotationally connected with a collar (19), the bottom of the collar (19) is fixedly connected with an L-shaped connecting arm (1901), and the L-shaped connecting arm (1901) is fixedly connected to the top of the outer ring of the sleeve (12).

5. The mechanical single seat pan lifting structure of claim 1, wherein: the moving mechanism (2) comprises a fixed seat (21), the fixed seat (21) is fixedly connected to the bottom of the sleeve (12), a connecting rod (22) is fixedly connected to the outer ring of the fixed seat (21), and a fixing ring (23) is fixedly connected to the outer side of the connecting rod (22).

6. The mechanical single seat pan lifting structure of claim 5, wherein: the outer side of the fixed ring (23) is fixedly connected with a supporting leg (24), and the bottom of the supporting leg (24) is fixedly connected with a universal wheel (25).

7. The mechanical single seat pan lifting structure of claim 6, wherein: the number of the supporting legs (24) and the universal wheels (25) is five, and the distance between the supporting legs (24) is the same.