CN210540038U

CN210540038U - Chair with detachable top

Info

Publication number: CN210540038U
Application number: CN201920641222.XU
Authority: CN
Inventors: 郑元彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-05-19
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a chair, including the chair body be equipped with the guide rail on the chair body it has bedplate, its characterized in that to peg graft on the guide rail: be equipped with the mobile device that can drive the bedplate and reciprocate on the chair body be equipped with the protector that can overturn forward and be connected with the bedplate and carry out the protection on the chair body rear side be equipped with the drive arrangement that can drive protector and mobile device on the chair body, the utility model discloses simple structure, convenient to use can drive protector and mobile device through drive arrangement for bedplate rebound drives protector and is connected with the bedplate simultaneously, protects children, promotes the height simultaneously, makes things convenient for the adult to feed to eat children, satisfies people's user demand.

Description

Chair with detachable top

Technical Field

The invention particularly relates to a chair.

Background

The existing chair is generally used for adults or older children to sit up, when some smaller children need to sit, the children need to be replaced by the chair, the chair is in an idle state under the general condition, so that the chair occupies a large space, causes certain waste, seriously influences the normal use of people, and can not meet the use requirements of people.

Thus, further improvements are needed in the existing chairs.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a chair.

In order to achieve the purpose, the invention adopts the following scheme:

the utility model provides a chair, including the chair body be equipped with the guide rail on the chair body it has bedplate, its characterized in that to peg graft on the guide rail: the chair comprises a chair body and is characterized in that a moving device capable of driving a seat plate to move up and down is arranged on the chair body, a protective device capable of being turned forwards and connected with the seat plate to protect is arranged on the rear side of the chair body, and a driving device capable of driving the protective device and the moving device is arranged on the chair body.

The chair is characterized in that the moving device comprises a first screw rod inserted on the chair body, the seat plate is sleeved on the first screw rod through a screw rod sleeve, a first bevel gear is arranged at the upper end of the first screw rod, a second bevel gear is meshed on one side of the first bevel gear, and the second bevel gear is inserted on the chair body through a first rotating shaft.

As above a chair, its characterized in that protector includes articulates the U type frame on the chair body through the second pivot U type frame upper end articulates through the third pivot has the fender rod be equipped with the interface on the bedplate the one end of third pivot is equipped with the second belt pulley it has first belt pulley to peg graft through the fourth pivot on the chair body of second belt pulley below first belt pulley and second belt pulley go up the cover and be equipped with first belt be equipped with first gear in the fourth pivot fixed ring gear that is equipped with on the chair body of first gear below, ring gear uses the second pivot as the axle center.

The chair is characterized in that the driving device comprises a second gear arranged on one end of a second rotating shaft, a first rack is meshed with one side of the second gear, a connecting plate is arranged at the lower end of the first rack, a guide column is arranged on the chair body above the connecting plate, the connecting plate is connected onto the guide column in an inserting mode, springs are arranged on the connecting plate and the chair body, a connecting rod is arranged on the connecting plate, a rotating wheel is arranged below the connecting rod, the rotating wheel is connected onto the chair body in an inserting mode through a fourth rotating shaft, the fourth rotating shaft is connected with the first rotating shaft, and a chute is formed in the rotating wheel.

The chair is characterized in that the fourth rotating shaft is connected with a rotating handle.

In summary, compared with the prior art, the invention has the beneficial effects that:

the child safety seat is simple in structure and convenient to use, the protection device and the moving device can be driven through the driving device, the seat plate is enabled to move upwards, the protection device is driven to be connected with the seat plate, children are protected, the height is increased, adults can feed children conveniently, and the using requirements of people are met.

Drawings

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a third perspective view of the present invention;

FIG. 4 is a fourth perspective view of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

a chair as shown in fig. 1 to 4, including chair body 1 be equipped with guide rail 12 on the chair body 1 peg graft on the guide rail 12 and have bedplate 11 be equipped with the mobile device 2 that can drive bedplate 11 and reciprocate on the chair body 1 be equipped with on the chair body 1 rear side and overturn forward and be connected with bedplate 11 and carry out the protector 4 that protects be equipped with the drive arrangement 3 that can drive protector 4 and mobile device 2 on the chair body 1, can drive protector and mobile device through drive arrangement for the bedplate rebound drives protector and is connected with the bedplate simultaneously, protects children, promotes the height simultaneously, makes things convenient for the adult to feed child, satisfies people's user demand.

The moving device 2 comprises a first screw rod 21 inserted on the chair body 1, the seat plate 11 is sleeved on the first screw rod 21 through a screw rod sleeve, a first bevel gear 24 is arranged at the upper end of the first screw rod 21, a second bevel gear 22 is meshed at one side of the first bevel gear 24, the second bevel gear 22 is inserted on the chair body 1 through a first rotating shaft 23, and the seat plate is driven to move through rotation of the first screw rod.

The protection device 4 comprises a U-shaped frame 42 hinged on a chair body 1 through a second rotating shaft 41, the upper end of the U-shaped frame 42 is hinged with a protection rod 43 through a third rotating shaft 44, the seat plate 11 is provided with an inserting port 100, one end of the third rotating shaft 44 is provided with a second belt pulley 45, the chair body 1 below the second belt pulley 45 is inserted with a first belt pulley 47 through a fourth rotating shaft, the first belt pulley 47 and the second belt pulley 45 are sleeved with a first belt 46, the fourth rotating shaft is provided with a first gear 48, the chair body 1 below the first gear 48 is fixedly provided with a ring gear 49, the ring gear 49 takes the second rotating shaft 41 as an axis, the first gear rotates along the ring gear through the U-shaped frame overturning, so that the protection rod is driven to overturn to be parallel to the upper end face of the U-shaped frame, the U-shaped frame is driven to move through a driving device, make the protection rod peg graft in the bayonet socket, accomplish fixedly, it is convenient to remove, and simple structure satisfies people's user demand.

In the invention, the driving device 3 comprises a second gear 31 arranged at one end of a second rotating shaft 41, a first rack 32 is meshed at one side of the second gear 31, a connecting plate 33 is arranged at the lower end of the first rack 32, a guide post 34 is arranged on the chair body 1 above the connecting plate 33, the connecting plate 33 is inserted on the guide post 34, a spring 35 is arranged on the connecting plate 33 and the chair body 1, a connecting rod 36 is arranged on the connecting plate 33, a rotating wheel 38 is arranged below the connecting rod 36, the rotating wheel 38 is inserted on the chair body 1 through a fourth rotating shaft 39, the fourth rotating shaft 39 is connected with a first rotating shaft 23, a chute is arranged on the rotating wheel 38, and the rotating wheel is driven to rotate and simultaneously drive a second bevel gear through rotating the fourth rotating, so that a first lead screw is driven to rotate, a seat plate is driven to move, and the chute is matched with the connecting, make the connecting rod downwards, make first rack lapse simultaneously to drive the upset of U type frame, simple structure, the practicality is strong, satisfies people's user demand.

In the invention, the fourth rotating shaft 39 is connected with the rotating handle 30, and the rotating handle is driven, so that the structure is simple, and the use requirements of people are met.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a chair, including chair body (1) be equipped with guide rail (12) on chair body (1) it has bedplate (11), its characterized in that to peg graft on guide rail (12): the chair is characterized in that a moving device (2) capable of driving a seat plate (11) to move up and down is arranged on the chair body (1), a protective device (4) capable of being turned forwards and connected with the seat plate (11) to protect is arranged on the rear side of the chair body (1), and a driving device (3) capable of driving the protective device (4) and the moving device (2) is arranged on the chair body (1).

2. The chair according to claim 1, wherein the moving device (2) comprises a first screw rod (21) inserted on the chair body (1), the seat plate (11) is sleeved on the first screw rod (21) through a screw rod sleeve, a first bevel gear (24) is arranged at the upper end of the first screw rod (21), a second bevel gear (22) is engaged at one side of the first bevel gear (24), and the second bevel gear (22) is inserted on the chair body (1) through a first rotating shaft (23).

3. Chair according to claim 2, characterized in that said protection means (4) comprise a U-shaped frame (42) hinged to the chair body (1) by means of a second pivot (41), a guard bar (43) is hinged at the upper end of the U-shaped frame (42) through a third rotating shaft (44), the seat board (11) is provided with an inserting port (100), one end of the third rotating shaft (44) is provided with a second belt pulley (45), a first belt pulley (47) is inserted on the chair body (1) below the second belt pulley (45) through a fourth rotating shaft, a first belt (46) is sleeved on the first belt pulley (47) and the second belt pulley (45), a first gear (48) is arranged on the fourth rotating shaft, a ring gear (49) is fixedly arranged on the chair body (1) below the first gear (48), and the ring gear (49) takes the second rotating shaft (41) as an axis.

4. A chair according to claim 3, characterized in that the driving device (3) comprises a second gear (31) arranged at one end of a second rotating shaft (41), a first rack (32) is engaged at one side of the second gear (31), a connecting plate (33) is arranged at the lower end of the first rack (32), a guide post (34) is arranged on the chair body (1) above the connecting plate (33), the connecting plate (33) is inserted into the guide post (34), a spring (35) is arranged on the connecting plate (33) and the chair body (1), a connecting rod (36) is arranged on the connecting plate (33), a rotating wheel (38) is arranged below the connecting rod (36), the rotating wheel (38) is inserted into the chair body (1) through a fourth rotating shaft (39), and the fourth rotating shaft (39) is connected with the first rotating shaft (23), the rotating wheel (38) is provided with a chute.

5. A chair in accordance with claim 4, characterized in that a turning handle (30) is connected to the fourth turning shaft (39).