CN112569053A

CN112569053A - Seat with pulley mechanism suitable for old people

Info

Publication number: CN112569053A
Application number: CN202011454119.8A
Authority: CN
Inventors: 王亮
Original assignee: Tianjin Jinlyu Botai Investment Development Co ltd
Current assignee: Tianjin Jinlyu Botai Investment Development Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-03-30

Abstract

The invention belongs to the technical field of seats, and particularly relates to an old-fashioned seat with a pulley mechanism, which comprises a seat body, wherein four corners of the bottom of the seat body are fixedly connected with chair legs, one ends of the chair legs, far away from the seat body, are fixedly connected with a bottom plate, four corners of the bottom plate are fixedly connected with moving wheels, the inner sides of the four chair legs are positioned between the seat body and the bottom plate and are provided with empty grooves, pressing plates are arranged inside the empty grooves, four corners of the pressing plates are fixedly connected with sliding blocks, the sliding blocks penetrate through the chair legs and slide inside the chair legs, and the pressing plates slide inside the four chair legs through the sliding blocks; can remove the back at the seat and accomplish seat body jack-up, let remove the wheel and break away from ground, carry on spacingly to the position of seat body, avoided the seat body to lead to the seat to appear gliding condition through removing wheel and ground contact and take place, improved the steadiness of seat, the practicality is strong.

Description

Seat with pulley mechanism suitable for old people

Technical Field

The invention belongs to the technical field of seats, and particularly relates to an old seat with a pulley mechanism.

Background

The chair is a seat that has the back, some have the handrail, the main function of chair is to playing whole or partial supporting role to waist, back and neck, the chair has very strong practicality, all can appear in each room, its main function is the people of being convenient for have a rest, so its comfort level is the main standard of weighing a chair good or bad, but the seat type that different crowds need is different, to some special crowds such as old person, because old person's leg and foot are inconvenient, sit for a long time and lead to the joint stiffness easily, make old person hard of getting up, in order to be applicable to old person's removal, install the pulley and use bottom the seat usually.

The old person can realize removing under the condition of not standing up when taking the seat of pulley when using, but, current seat of taking the pulley can not carry on spacingly to the position of seat when not using, and the old person sits when having a rest and need not remove on the seat, can not carry on spacingly to the position of seat, and the condition that the seat suddenly removed when having a rest of old person appears easily has reduced the result of use of seat.

Accordingly, those skilled in the art have provided an older style seat with a pulley mechanism to address the problems set forth in the background above.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an old seat with a pulley mechanism, which has the characteristic of limiting the seat.

In order to achieve the purpose, the invention provides the following technical scheme: a chair with a pulley mechanism suitable for old people comprises a chair body, wherein chair legs are fixedly connected to four corners of the bottom of the chair body, a bottom plate is fixedly connected to one end, away from the chair body, of each chair leg, moving wheels are fixedly connected to four corners of the bottom plate, empty grooves are formed in the inner sides of the four chair legs and located between the chair body and the bottom plate, pressing plates are arranged inside the empty grooves, sliding blocks are fixedly connected to four corners of each pressing plate, each sliding block penetrates through the corresponding chair leg and slides inside the corresponding chair leg, each pressing plate slides inside the corresponding four chair legs through the corresponding sliding block, supporting legs are fixedly connected to four corners of the bottom of each pressing plate, each supporting leg penetrates through the corresponding bottom plate and extends to the position below the corresponding bottom plate, a motor is fixedly connected to the bottom of the chair body, and a lead screw is fixedly connected to an output end of the motor, the top of clamp plate with the position fixedly connected with sleeve that the lead screw corresponds, the lead screw runs through the sleeve and extends to telescopic inside, just the sleeve transmission is in the outer wall of lead screw, the outer wall fixedly connected with switch of seat body, the switch with motor electric connection, motor and external power source electric connection.

Preferably, the sleeve is provided with a thread groove matched with the screw rod, and the sleeve is transmitted on the outer wall of the screw rod through the thread groove.

Preferably, the chair legs are provided with sliding grooves matched with the sliding blocks, and the pressing plate slides on the inner sides of the chair legs through the matching of the sliding blocks and the sliding grooves.

Preferably, the top of the bottom plate and the position corresponding to the supporting leg are provided with through holes, and the supporting leg penetrates through the bottom plate through the through holes and extends to the bottom of the bottom plate.

Preferably, the height of the supporting foot is greater than the sum of the heights of the bottom plate and the moving wheel.

Preferably, the length of the screw rod and the sleeve is greater than the depth of the empty groove.

Compared with the prior art, the invention has the beneficial effects that: the support legs penetrate through the bottom plate and extend to the lower part of the bottom plate, when the chair is used, an old person sits on the chair body and can move through the four moving wheels, the requirement of the old person on indoor movement is facilitated, the applicability of the chair is improved, after the old person moves the chair to a required position, the old person presses the switch, the motor can work to drive the screw rod fixed at the output end of the old person to rotate and drive the sleeve transmitted on the screw rod to move, so that the pressing plate fixed on the sleeve is driven to slide downwards in the hollow groove, the support legs can extend to the bottom of the bottom plate to be in contact with the ground, the chair body is supported by the four support legs, the chair body can be jacked up after the chair is moved, the moving wheels are separated from the ground, the position of the chair body is limited, and the situation that the chair slides due to the fact that the chair body is in contact with the ground, the stability of seat has been improved, and the practicality is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the pressure plate and the seat body of the present invention;

FIG. 3 is a schematic structural view of a base plate according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a seat body; 101. an empty groove; 11. a chair leg; 111. a chute; 12. a base plate; 121. a through hole; 13. a moving wheel; 14. pressing a plate; 141. a slider; 15. a sleeve; 151. a thread groove; 16. a motor; 161. a screw rod; 17. supporting legs; 18. and (4) switching.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a chair with a pulley mechanism suitable for old people comprises a chair body 1, chair legs 11 are fixedly connected to four corners of the bottom of the chair body 1, a bottom plate 12 is fixedly connected to one end, away from the chair body 1, of each chair leg 11, moving wheels 13 are fixedly connected to four corners of the bottom plate 12, empty grooves 101 are formed in the inner sides of the four chair legs 11 and located between the chair body 1 and the bottom plate 12, pressing plates 14 are arranged inside the empty grooves 101, sliders 141 are fixedly connected to four corners of each pressing plate 14, the sliders 141 penetrate through the chair legs 11 and slide inside the chair legs 11, the pressing plates 14 slide on the inner sides of the four chair legs 11 through the sliders 141, supporting legs 17 are fixedly connected to four corners of the bottom of the pressing plates 14, the supporting legs 17 penetrate through the bottom plate 12 and extend to the lower portion of the bottom plate 12, a motor 16 is fixedly connected to the bottom of the chair body 1, a lead screw 161 is fixedly connected to an output end of the motor, the screw 161 penetrates through the sleeve 15 and extends into the sleeve 15, the sleeve 15 is driven on the outer wall of the screw 161, the switch 18 is fixedly connected to the outer wall of the seat body 1, the switch 18 is electrically connected with the motor 16, and the motor 16 is electrically connected with an external power supply.

In this embodiment: when the chair is used, the old can move through the four moving wheels 13 when sitting on the chair body 1, so that the requirement of the old on indoor movement is facilitated, and the applicability of the chair is improved, the inner sides of the four chair legs 11 are positioned between the chair body 1 and the bottom plate 12 and are provided with empty grooves 101, pressing plates 14 are arranged inside the empty grooves 101, the four corners of the pressing plates 14 are fixedly connected with sliding blocks 141, the sliding blocks 141 penetrate through the chair legs 11 and slide inside the chair legs 11, the pressing plates 14 slide inside the four chair legs 11 through the sliding blocks 141, the four corners of the bottom of the pressing plates 14 are fixedly connected with supporting legs 17, the supporting legs 17 penetrate through the bottom plate 12 and extend to the lower part of the bottom plate 12, the bottom of the chair body 1 is fixedly connected with a motor 16, the output end of the motor 16 is fixedly connected with a screw rod 161, and the top of the pressing plates 14 is fixedly connected with a sleeve 15 corresponding to the screw, the screw rod 161 penetrates through the sleeve 15 and extends to the inside of the sleeve 15, the sleeve 15 is driven to be arranged on the outer wall of the screw rod 161, the switch 18 is fixedly connected to the outer wall of the seat body 1, the switch 18 is electrically connected with the motor 16, after an old person moves the seat to a required position, the old person presses the switch 18, the motor 16 (with the model of YL-7112) can work to drive the screw rod 161 fixed at the output end to rotate and drive the sleeve 15 driven to displace through the thread groove 151, so that the pressing plate 14 fixed on the sleeve 15 is driven to slide downwards in the empty groove 101, the supporting legs 17 can extend to the bottom of the bottom plate 12 through the through holes 121 to be contacted with the ground, the seat body 1 is supported by the four supporting legs 17, the seat body 1 can be jacked up after the position of the seat is moved, the moving wheels 13 are separated from the ground, and the position of the seat body 1 is, the situation that the seat body 1 slides suddenly due to the fact that the moving wheels 13 are in contact with the ground is avoided, stability of the seat is improved, and practicability is high.

In fig. 1, 2 and 3: when the seat is used, an old person sits on the seat body 1 and can move through the four moving wheels 13, the requirement of the old person on indoor movement is met, the applicability of the seat is improved, after the old person moves the seat to a required position, the old person presses the switch 18, the motor 16 can work to drive the screw rod 161 fixed at the output end of the motor to rotate and drive the sleeve 15 driven on the screw groove 151 to move, so that the pressing plate 14 fixed on the sleeve 15 is driven to slide downwards in the empty groove 101, the supporting legs 17 can extend to the bottom of the bottom plate 12 through the through holes 121 to be contacted with the ground, the seat body 1 is supported by the four supporting legs 17, the seat body 1 can be jacked up after the position of the seat is moved, the moving wheels 13 are separated from the ground, the position of the seat body 1 is limited, the situation that the seat body 1 is suddenly slid due to the contact with the ground through the moving wheels 13 is avoided, the stability of seat has been improved, and the practicality is strong.

In fig. 4: when the position of the pressing plate 14 is adjusted, the pressing plate 14 slides between the four chair legs 11 through the matching of the sliding block 141 and the sliding groove 111, the pressing plate 14 is limited by the four chair legs 11, the situation that the sleeve 15 and the pressing plate 14 rotate along with the rotation of the screw rod 161 is avoided, and the position of the pressing plate 14 is convenient to adjust.

The working principle and the using process of the invention are as follows: when the seat is used, an old person sits on the seat body 1 and can move through the four moving wheels 13, the requirement of the old person on indoor movement is met, the applicability of the seat is improved, after the old person moves the seat to a required position, the old person presses the switch 18, the motor 16 can work to drive the screw rod 161 fixed at the output end of the motor to rotate and drive the sleeve 15 driven on the screw groove 151 to move, so that the pressing plate 14 fixed on the sleeve 15 is driven to slide downwards in the empty groove 101, the supporting legs 17 can extend to the bottom of the bottom plate 12 through the through holes 121 to be contacted with the ground, the seat body 1 is supported by the four supporting legs 17, the seat body 1 can be jacked up after the position of the seat is moved, the moving wheels 13 are separated from the ground, the position of the seat body 1 is limited, the situation that the seat body 1 is suddenly slid due to the contact with the ground through the moving wheels 13 is avoided, the stability of seat has been improved, and the practicality is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be fit for seat of old-fashioned belt pulley mechanism, includes seat body (1), its characterized in that: the chair comprises a chair body (1), chair legs (11) are fixedly connected to four corners of the bottom of the chair body (1), a bottom plate (12) is fixedly connected to one end, far away from the chair body (1), of each chair leg (11), moving wheels (13) are fixedly connected to four corners of the bottom plate (12), the inner sides of the four chair legs (11) are located between the chair body (1) and the bottom plate (12) and are provided with empty grooves (101), pressing plates (14) are arranged inside the empty grooves (101), sliders (141) are fixedly connected to four corners of the pressing plates (14), the sliders (141) penetrate through the chair legs (11) and slide inside the chair legs (11), the pressing plates (14) slide on the inner sides of the four chair legs (11) through the sliders (141), supporting legs (17) are fixedly connected to four corners of the bottom of the pressing plates (14), the supporting legs (17) penetrate through the bottom plate (12) and extend to the lower portion of the bottom plate (12), the bottom fixedly connected with motor (16) of seat body (1), the output fixedly connected with lead screw (161) of motor (16), the top of clamp plate (14) with position fixedly connected with sleeve (15) that lead screw (161) correspond, lead screw (161) run through sleeve (15) and extend to the inside of sleeve (15), just sleeve (15) transmission is in the outer wall of lead screw (161), the outer wall fixedly connected with switch (18) of seat body (1), switch (18) with motor (16) electric connection, motor (16) and external power source electric connection.

2. An older style seat with a pulley mechanism as defined in claim 1, wherein: the sleeve (15) is provided with a thread groove (151) matched with the screw rod (161), and the sleeve (15) is transmitted on the outer wall of the screw rod (161) through the thread groove (151).

3. An older style seat with a pulley mechanism as defined in claim 1, wherein: the chair legs (11) are provided with sliding grooves (111) matched with the sliding blocks (141), and the pressing plate (14) slides on the inner sides of the chair legs (11) through the matching of the sliding blocks (141) and the sliding grooves (111).

4. An older style seat with a pulley mechanism as defined in claim 1, wherein: the top of the bottom plate (12) is provided with a through hole (121) at a position corresponding to the supporting leg (17), and the supporting leg (17) penetrates through the bottom plate (12) through the through hole (121) and extends to the bottom of the bottom plate (12).

5. An older style seat with a pulley mechanism as defined in claim 1, wherein: the height of the supporting foot (17) is greater than the sum of the heights of the bottom plate (12) and the moving wheel (13).

6. An older style seat with a pulley mechanism as defined in claim 1, wherein: the length of the screw rod (161) and the sleeve (15) is larger than the depth of the empty groove (101).