CN214230392U

CN214230392U - A correct fixing device for student's position of sitting

Info

Publication number: CN214230392U
Application number: CN202022073195.6U
Authority: CN
Inventors: 袁思楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-09-21
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to the technical field of machinery, and a correct fixing device for student's position of sitting is disclosed, including the chair body, the back right-hand member lower part fixedly connected with elastic rubber layer of chair body, the inner chamber left end middle part on elastic rubber layer is equipped with the extension board, the left end of extension board is connected with the transfer line through the bearing, peg graft in the back lower part of chair body through the screw thread in the left side of transfer line, the back middle part fixedly connected with band of chair body, the back left end upper portion of chair body is through bolt fixedly connected with regulation even board, it has the transmission casing to adjust the fixed the inlaying in right-hand member upper portion of even board, the inside of transmission casing has been pegged graft through the bearing and has been had drive screw, drive screw's the left and right sides has cup jointed the transmission piece through the screw thread. This a correct fixing device for student's position of sitting, overall structure through equipment can make the fixed convenience more effective of person's of sitting position of sitting.

Description

A correct fixing device for student's position of sitting

Technical Field

The utility model relates to the technical field of machinery, specifically be a correct fixing device for student's position of sitting.

Background

The sitting posture generally refers to the posture of a human body when sitting. In anthropometric terminology, the sitting posture is defined as: the tested person sits on the plane adjusted to the height of the fibula, the head is positioned on the plane of eyes and ears, the eyes are in front of the head, the left thigh and the right thigh are approximately parallel, the knee bend is approximately right-angled, the feet are flatly placed on the ground, the hand is lightly placed on the thigh, the correct sitting posture is realized, the upper half of the body is kept straight when the person is needed, namely the neck, the chest and the waist are kept straight, and at present, the sitting postures of a plurality of students are incorrect in the learning process of primary school students, so that the formation of hunchback of the students is easily caused, and therefore, the correcting and fixing device for the sitting postures of the students is provided.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model provides a correct fixing device for student's position of sitting can make the fixed convenience more and effective of position of sitting person, and the correction fixing device who has solved current position of sitting is when the operation, and at pupil's learning process, many student's position of sitting all is incorrect, causes the problem of the formation of student's hunchback very easily.

The utility model provides a following technical scheme: a correcting and fixing device for the sitting posture of students comprises a chair body, wherein an elastic rubber layer is fixedly connected to the lower portion of the right end of a backrest of the chair body, a support plate is arranged in the middle of the left end of an inner cavity of the elastic rubber layer, the left end of the support plate is connected with a transmission rod through a bearing, the left side of the transmission rod is inserted into the lower portion of the backrest of the chair body through threads, a bridle is fixedly connected to the middle of the backrest of the chair body, an adjusting connecting plate is fixedly connected to the upper portion of the left end of the backrest of the chair body through bolts, a transmission shell is fixedly embedded to the upper portion of the right end of the adjusting connecting plate, a transmission screw rod is inserted into the transmission shell through a bearing, transmission blocks are sleeved on the left side and the right side of the transmission screw rod through threads, the transmission blocks are movably inserted into the transmission shell, a rectangular sliding groove is formed in the middle of the right end of the transmission shell, and a circular ring is fixedly connected to the right end of the transmission block, the right side of the inner cavity of the circular ring is fixedly connected with a stop block through a spring.

Preferably, the left and right sides of the transmission screw are opposite in thread direction, and the front end of the transmission screw is fixedly connected with a manual turntable.

Preferably, screw holes are formed in the front side and the rear side of the upper portion of the left end of the backrest of the chair body.

Preferably, a manual disc is fixedly connected to the left end of the transmission rod.

Preferably, the right end of the support plate is arc-shaped.

Preferably, the stop block is arc-shaped, and a rubber layer is arranged at the left end of the stop block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this a correct fixing device for student's position of sitting, overall structure through equipment, drive screw can rotate through manual, drive screw's just reversal, can make two transmission pieces relative or opposite movement, and then can adjust the position between two rings, thereby can satisfy the fixed of different child's shoulders, and the displacement can be controlled to the dog, thereby can make the displacement that the people that uses can be moderate, and adjust even board and can adjust from top to bottom, and then can satisfy the people of co-altitude, and then can make the fixed convenience more and effective of person's position of sitting.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a right side view of the transmission housing of the present invention;

fig. 3 is a sectional view of the transmission housing of the present invention.

In the figure: 1. a chair body; 2. an elastic rubber layer; 3. a support plate; 4. a transmission rod; 5. a belt; 6. adjusting the connecting plate; 7. a transmission housing; 8. a circular ring; 9. a stopper; 10. a spring; 11. a manual turntable; 12. a rectangular chute; 13. a drive screw; 14. and a transmission block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a correcting and fixing device for student sitting posture, which comprises a chair body 1, wherein screw holes are arranged on the front and back sides of the upper part of the left end of the backrest of the chair body 1. The chair is characterized in that an elastic rubber layer 2 is fixedly connected to the lower portion of the right end of the backrest of the chair body 1, the elastic rubber layer 2 can improve comfort of a user, a support plate 3 is arranged in the middle of the left end of an inner cavity of the elastic rubber layer 2, and the right end of the support plate 3 is arc-shaped. The left end of the support plate 3 is connected with a transmission rod 4 through a bearing, the support plate 3 can be displaced left and right by manually rotating the transmission rod 4, so that the sitting posture of the waist can be adjusted, and a manual disc is fixedly connected to the left end of the transmission rod 4. The left side of the transmission rod 4 is inserted into the lower portion of the backrest of the chair body 1 through threads, the middle portion of the backrest of the chair body 1 is fixedly connected with a belt 5, the upper portion of the left end of the backrest of the chair body 1 is fixedly connected with an adjusting connecting plate 6 through bolts, the upper portion of the right end of the adjusting connecting plate 6 is fixedly embedded with a transmission shell 7, a transmission screw 13 is inserted into the transmission shell 7 through a bearing, the transmission screw 13 can rotate manually, the transmission screw 13 rotates forwards and backwards, the two transmission blocks 14 can move oppositely or reversely, the position between the two circular rings 8 can be adjusted, the fixation of different child shoulders can be met, the stop dog 9 can move leftwards and rightwards, the user can move properly, the adjusting connecting plate 6 can be adjusted upwards and downwards, and people with different heights can be met, the left and right sides of the transmission screw 13 have opposite thread directions, and the front end of the transmission screw 13 is fixedly connected with a manual rotating disc 11. The left and right sides of drive screw 13 has cup jointed transmission piece 14 through the screw thread, transmission piece 14 activity is pegged graft in the inside of transmission housing 7, open at the right-hand member middle part of transmission housing 7 has rectangle spout 12, the right-hand member fixedly connected with ring 8 of transmission piece 14, ring 8 can fix a position the shoulder of sitting person to can change the position of sitting person, spring 10 fixedly connected with dog 9 is passed through on the inner chamber right side of ring 8, dog 9 is circular-arcly, the left end of dog 9 is equipped with the rubber layer.

During operation, drive screw 13 can be through manual rotation, and drive screw 13 just reverses, can make two driving block 14 relative or opposite movement, and then can adjust the position between two rings 8 to can satisfy the fixed of different child's shoulders, and displacement about dog 9 can be controlled, thereby can make the displacement that the people that uses can be moderate, and adjust even board 6 and can adjust from top to bottom, and then can satisfy the people of co-altitude not.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A correct fixing device for student's position of sitting, includes chair body (1), its characterized in that: the chair is characterized in that an elastic rubber layer (2) is fixedly connected to the lower portion of the right end of a backrest of the chair body (1), a support plate (3) is arranged in the middle of the left end of an inner cavity of the elastic rubber layer (2), the left end of the support plate (3) is connected with a transmission rod (4) through a bearing, the left side of the transmission rod (4) is inserted into the lower portion of the backrest of the chair body (1) through threads, a binding belt (5) is fixedly connected to the middle of the backrest of the chair body (1), an adjusting connecting plate (6) is fixedly connected to the upper portion of the left end of the backrest of the chair body (1) through a bolt, a transmission shell (7) is fixedly embedded to the upper portion of the right end of the adjusting connecting plate (6), a transmission screw (13) is inserted into the transmission shell (7) through a bearing, transmission blocks (14) are sleeved on the left side and the right side of the transmission screw (13) through threads, and the transmission blocks (14) are movably inserted into the transmission shell (7), the right-hand member middle part of transmission casing (7) is opened there is rectangle spout (12), the right-hand member fixedly connected with ring (8) of transmission piece (14), spring (10) fixedly connected with dog (9) are passed through on the inner chamber right side of ring (8).

2. A corrective fixation device for a student's sitting posture in accordance with claim 1 wherein: the left side and the right side of the transmission screw rod (13) are opposite in thread direction, and a manual rotating disc (11) is fixedly connected to the front end of the transmission screw rod (13).

3. A corrective fixation device for a student's sitting posture in accordance with claim 1 wherein: screw holes are formed in the front side and the rear side of the upper portion of the left end of the backrest of the chair body (1).

4. A corrective fixation device for a student's sitting posture in accordance with claim 1 wherein: and a manual disc is fixedly connected to the left end of the transmission rod (4).

5. A corrective fixation device for a student's sitting posture in accordance with claim 1 wherein: the right end of the support plate (3) is arc-shaped.

6. A corrective fixation device for a student's sitting posture in accordance with claim 1 wherein: the stop block (9) is arc-shaped, and a rubber layer is arranged at the left end of the stop block (9).