CN213188808U

CN213188808U - Intelligent student rocking-proof chair

Info

Publication number: CN213188808U
Application number: CN202022077584.6U
Authority: CN
Inventors: 徐午斌
Original assignee: Ningbo Tongji Middle School
Current assignee: Ningbo Tongji Middle School
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-14
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses an intelligent student rocking-proof chair, which comprises a chair main body, wherein a connecting rod is bound at the bottom of the chair main body, a chute is arranged at the inner side of the connecting rod, a guide rod is clamped at the inner side of the chute, a notch is arranged at the bottom of the connecting rod, a first spring is clamped at the inner side of the chute, clamping grooves are arranged at the bottoms of the guide rod and the connecting rod, a clamping pin is clamped at the inner side of the clamping groove, a second spring is welded at the top of the clamping pin, a ball is clamped at the bottom of the guide rod, a guide block is clamped at the bottom of the clamping pin, the guide rod can extend outwards from the connecting rod when the chair is to be inclined, so that the guide rod is used for blocking the further inclination of the chair, personnel is prevented from falling down to the ground, the outer end of the guide rod is prevented from being clamped by the ball, the friction force between, the chair is kept in the original position, the sitting safety of personnel is guaranteed, and the chair is suitable for preventing students from falling down.

Description

Intelligent student rocking-proof chair

Technical Field

The utility model relates to a student's seat technical field specifically is an intelligence student prevents rocking chair.

Background

The chair is a common tool used in daily life, study, office work and the like, especially for students, and the utility model with the patent application publication number of CN201820673279.3 discloses a height-adjustable student chair, which can meet the study and use of students with different ages by using the advantages of light weight, convenient movement, firm quality, firmness, durability, low use cost, high economy and the like of a base plate, however, when the chair is used for students with smaller ages, on one hand, the children are easy to fall down together with the chair due to seat deviation because of the active nature of the children, which is not beneficial to protecting the safety of the children, on the other hand, when the stability of the chair is improved by extending the guide rod outwards, the outer end of the guide rod is easy to be clamped on the ground, or the chair is pushed backwards due to the larger friction force between the guide rod and the ground, easily cause personnel to slide off the seat, be unfavorable for protecting personnel's safety.

Therefore, how to design an intelligent student rocking-proof chair becomes the problem that we need to solve at present.

Disclosure of Invention

Not enough to prior art exists, the utility model aims at providing an intelligence student prevents rocking chair to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is comparatively convenient during the use, be applicable to and prevent that the student from falling down the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligence student prevents rocking chair, includes the seat body, the seat body includes the seat main part, the connecting rod is ordered to the bottom of seat main part, the spout has been seted up to the inboard of connecting rod, the inboard card of spout has the guide arm, the bottom of connecting rod is seted up jaggedly, the inboard card of spout has spring one, the draw-in groove has all been seted up to guide arm and connecting rod bottom, the inboard card of draw-in groove has the bayonet lock, the top welding of bayonet lock has spring two, the bottom card of guide arm has the ball, the bottom card of bayonet lock has the guide block.

As an optimal embodiment of the present invention, the guide rod is connected to the inner side of the chute through a first spring, and the bayonet lock is connected to the top of the clamping groove through a second spring.

As a preferred embodiment of the utility model, the opening has been seted up to the bottom of connecting rod, the opening sets up the bottom at the draw-in groove, the bottom of guide block is passed the opening and is extended to the inboard of breach, the diameter of the top of guide block and bottom all is greater than the internal diameter of opening.

As a preferred embodiment of the present invention, the guide bar has an inner groove at the bottom thereof, the ball is clamped inside the inner groove, the inner diameter of the inner groove is larger than the diameter of the ball, and the diameter of the bottom surface of the inner groove is smaller than the diameter of the ball.

As a preferred embodiment of the present invention, the balls are disposed outside the connecting rod, and the notches are provided at four corners of the connecting rod.

As a preferred embodiment of the present invention, the top of the locking pin is clamped inside the guide rod, and the bottom of the locking pin is clamped inside the connecting rod.

Has the advantages that: 1. this intelligence student prevents rocking chair owing to be provided with seat main part, connecting rod, spout, guide arm, breach, spring one, draw-in groove, bayonet lock, spring two, ball and guide block, can be when the seat will incline to certain direction, make the inboard of connecting rod outwards stretch out fast to the ascending guide arm in this direction, thereby utilize the guide arm to block the further slope of seat effectively, ensure the stability of seat, prevent that personnel's intercommunication seat from falling down subaerial, the safety of protection personnel and seat.

2. This intelligence student prevents rocking chair, owing to be provided with seat main part, connecting rod, spout, guide arm, breach, spring one, draw-in groove, bayonet lock, spring two, ball and guide block, can utilize the ball to avoid the outer end card of guide arm subaerial when outwards pushing out the guide arm effectively to greatly reduce the frictional force of guide arm and ground, and then avoid appearing the situation that the seat was promoted backward, keep the seat at the normal position, guarantee personnel's the safety of sitting in proper order.

3. This intelligence student prevents rocking chair reasonable in design, it is comparatively high-efficient convenient during the use, be applicable to and prevent that the student from falling down the use.

Drawings

Fig. 1 is a schematic structural view of an intelligent student rocking prevention chair of the present invention;

FIG. 2 is a side sectional view of a connecting rod of the intelligent student rocking chair of the present invention;

FIG. 3 is a sectional view of the connecting rod of the intelligent student rocking chair of the present invention;

in the figure: 1. a seat main body; 2. a connecting rod; 3. a chute; 4. a guide bar; 5. a notch; 6. a first spring; 7. a card slot; 8. a bayonet lock; 9. a second spring; 10. a ball bearing; 11. and a guide 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 to 3, the present invention provides a technical solution: the utility model provides an intelligence student prevents rocking chair, includes the seat body, the seat body includes seat body 1, connecting rod 2 has been ordered to seat body 1's bottom, spout 3 has been seted up to connecting rod 2's inboard, the inboard card of spout 3 has guide arm 4, breach 5 has been seted up to connecting rod 2's bottom, 3 inboard cards of spout have spring 6, draw-in groove 7 has all been seted up to guide arm 4 and connecting rod 2 bottom, the inboard card of draw-in groove 7 has bayonet lock 8, the top welding of bayonet lock 8 has spring two 9, the bottom card of guide arm 4 has ball 10, the bottom card of bayonet lock 8 has guide block 11, and the outer end of guide arm 4 is circular-arc, and guide arm 4 can avoid the outer end card of guide arm 4 effectively when outwards moving, ensures that guide arm 4 can shift out smoothly subaerial.

As a preferred embodiment of the present invention, the guide rod 4 is connected to the inner side of the sliding groove 3 through a first spring 6, and the bayonet pin 8 is connected to the top of the clamping groove 7 through a second spring 9.

As a preferred embodiment of the utility model, the opening has been seted up to the bottom of connecting rod 2, the opening sets up the bottom at draw-in groove 7, the opening is passed and is extended to the inboard of breach 5 to the bottom of guide block 11, the diameter of the top of guide block 11 and bottom all is greater than the internal diameter of opening, can make guide block 11 in the breach 5 on the incline direction upwards extrude by ground when the seat takes place to incline, and guide block 11 upwards extrudees bayonet lock 8, and spring two 9 is compressed, and bayonet lock 8 is pushed the inboard of guide arm 4, thereby utilizes the elasticity of spring 6 to outwards release guide arm 4, thereby effectively utilizes guide arm 4 to block the further slope of seat, ensures the stability of seat, prevents that personnel from communicateing the seat and fall subaerial, protects the safety of personnel and seat.

As a preferred embodiment of the present invention, the bottom of the guide rod 4 is provided with an inner groove, the ball 10 is clamped inside the inner groove, the inner diameter of the inner groove is larger than the diameter of the ball 10, and the diameter of the bottom surface of the inner groove is smaller than the diameter of the ball 10.

As a preferred embodiment of the present invention, the ball 10 is disposed outside the connecting rod 2, the notch 5 is disposed at four corners of the connecting rod 2, when the guide rod 4 moves outwards, the rolling of the ball 10 is effectively utilized to reduce the friction force between the guide rod 4 and the ground, so as to avoid the situation that the seat is pushed backwards, and the seat is kept in the original position, which ensures the sitting safety of the personnel.

As an optimal implementation mode of the utility model, bayonet lock 8's top card is in the inboard of guide arm 4, bayonet lock 8's bottom card can utilize bayonet lock 8 to block guide arm 4 in the inboard of connecting rod 2 when placing in the inboard of connecting rod 2, and guarantee guide arm 4 is by income connecting rod 2's inboard, reduces the area of seat, avoids guide arm 4 to influence children to walk about.

When the intelligent student rocking-proof chair is conveyed and the chair is greatly inclined, the guide block 11 in the notch 5 in the inclined direction is upwards extruded by the ground, the guide block 11 upwards extrudes the clamping pin 8, the spring II 9 is compressed, the clamping pin 8 is pushed into the inner side of the guide rod 4, so that the guide rod 4 is outwards pushed out by the elastic force of the spring I6, the guide rod 4 is effectively utilized to block the further inclination of the chair, the stability of the chair is ensured, personnel are prevented from communicating with the chair to fall down to the ground, the safety of the personnel and the chair is protected, the outer end of the guide rod 4 is arc-shaped, when the guide rod 4 moves outwards, the outer end of the guide rod 4 can be effectively prevented from being clamped on the ground, the guide rod 4 can be smoothly moved out, the rolling of the ball 10 is effectively utilized to reduce the friction force between the guide rod 4 and the ground, the situation that the, the sitting safety of personnel is guaranteed.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an intelligence student prevents rocking chair, includes the seat body, its characterized in that: the seat body includes seat main part (1), connecting rod (2) are ordered to the bottom of seat main part (1), spout (3) have been seted up to the inboard of connecting rod (2), the inboard card of spout (3) has guide arm (4), breach (5) have been seted up to the bottom of connecting rod (2), spout (3) inboard card has spring one (6), draw-in groove (7) have all been seted up to guide arm (4) and connecting rod (2) bottom, the inboard card of draw-in groove (7) has bayonet lock (8), the top welding of bayonet lock (8) has spring two (9), the bottom card of guide arm (4) has ball (10), the bottom card of bayonet lock (8) has guide block (11).

2. The intelligent student rocking chair of claim 1, wherein: the guide rod (4) is connected with the inner side of the sliding groove (3) through a first spring (6), and the clamping pin (8) is connected with the top of the clamping groove (7) through a second spring (9).

3. The intelligent student rocking chair of claim 1, wherein: the opening has been seted up to the bottom of connecting rod (2), the opening sets up the bottom at draw-in groove (7), the bottom of guide block (11) is passed the opening and is extended to the inboard of breach (5), the diameter of the top of guide block (11) and bottom all is greater than the internal diameter of opening.

4. The intelligent student rocking chair of claim 1, wherein: an inner groove is formed in the bottom of the guide rod (4), the ball (10) is clamped on the inner side of the inner groove, the inner diameter of the inner groove is larger than the diameter of the ball (10), and the diameter of the bottom surface of the inner groove is smaller than the diameter of the ball (10).

5. The intelligent student rocking chair of claim 1, wherein: the ball (10) is arranged on the outer side of the connecting rod (2), and the notches (5) are arranged at four corners of the connecting rod (2).

6. The intelligent student rocking chair of claim 1, wherein: the top of the bayonet lock (8) is clamped on the inner side of the guide rod (4), and the bottom of the bayonet lock (8) is clamped on the inner side of the connecting rod (2).