CN110124325B

CN110124325B - Protection seat for playground

Info

Publication number: CN110124325B
Application number: CN201910427066.1A
Authority: CN
Inventors: 吴徐策; 汤怀怀; 贾温一笑
Original assignee: Zhejiang Bangbang Industrial Co Ltd
Current assignee: Zhejiang Bangbang Industrial Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-10-02
Anticipated expiration: 2039-05-22
Also published as: CN110124325A

Abstract

The invention discloses a protective seat for an amusement park, which comprises a seat and a seat back, wherein the seat and the seat back are fixedly connected through a plurality of locking bolts, rotary grooves are symmetrically formed in the side walls of the two sides of the seat back, rotary shafts are rotatably connected in the rotary grooves, a safety catch is arranged at one end, deviating from the rotary shafts, of each rotary shaft, mounting cavities are formed in the side walls of the two sides of the seat back, electric telescopic rods are arranged in the mounting cavities, pawls are connected to output shafts of the electric telescopic rods, ratchet wheels are fixedly sleeved on the side walls of the outer sides of the rotary shafts, the pawls are clamped with one ratchet wheel in the ratchet wheels, electrorheological fluid is filled in the rotary grooves, two opposite arc-shaped mounting cavities are symmetrically formed in the side walls of the rotary grooves, and capacitance plates are arranged in the arc-. According to the protection seat for the playground, disclosed by the invention, when the ratchet is broken, the safety catch can be prevented from being continuously opened, so that personnel are thrown out, and further danger is caused.

Description

Protection seat for playground

Technical Field

The invention relates to the technical field of entertainment facilities, in particular to a protective seat for a playground.

Background

Nowadays, people have not only pursued material satisfaction but also need to follow the abundance of mental aspects in response to the improvement of the economic level of the people. Therefore, parents can bring children to a playground to play and relax the mood, most of various amusement facilities in the playground can be provided with a protective seat, people sit behind the seat and are protected on the seat through a safety catch to prevent the people from being thrown out by movement, the safety catch in the existing seat generally adopts a ratchet type structure to prevent rotation, but the pawl and the ratchet are connected in a clamping mode for a long time and are abraded until the ratchet connected with the pawl is broken due to overlarge impact in the movement process, so that the safety catch is opened at a certain angle, and under the action of inertia and the like, the pawl can continuously abrade subsequent ratchets, the people sitting on the pawl are thrown out, and safety accidents occur.

To this end, we propose a playground protection seat to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a protective seat for a playground.

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

a protective seat for an amusement park comprises a seat and a seat back, wherein the seat and the seat back are fixedly connected through a plurality of locking bolts, rotating grooves are symmetrically formed in side walls of two sides of the seat back, rotating shafts are connected in the rotating grooves in a rotating mode, safety blocking hands are arranged at ends, deviating from the rotating shafts, of the two sides of the seat back, mounting cavities are formed in the side walls of the two sides of the seat back, electric telescopic rods are arranged in the mounting cavities, output shafts of the electric telescopic rods are connected with pawls, ratchet wheels are fixedly sleeved on side walls of the outer sides of the rotating shafts, the pawls are clamped with one ratchet of the ratchet wheels, electrorheological fluid is filled in the rotating grooves, two opposite arc-shaped mounting cavities are symmetrically formed in the side walls of the rotating grooves, a capacitor plate is arranged in each arc-shaped mounting cavity, a sealing device for preventing the electrorheological fluid from overflowing is arranged at a notch of each rotating groove, and a, and a contact is connected to the side wall of one side of the pawl through a first support rod.

Preferably, be equipped with the arc spout on the lateral wall of ratchet, and one side of arc spout have through spring coupling with arc spout assorted slider, the slider is connected with the push type switch through second branch, be connected with the arc lug through the telescopic link on one side lateral wall of ratchet, fixedly connected with push rod on one side lateral wall of second branch.

Preferably, the sealing device comprises a sealing end cover arranged on the notch of the rotary groove, the sealing end cover is sleeved on the outer side wall of the rotary shaft, and the sealing end cover is fastened on the side wall of the chair back through a plurality of locking screws.

Preferably, the push switch is electrically connected with the capacitor plate.

Preferably, a plurality of grooves are formed on the inner wall of the rotary groove in a surrounding array.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching use of the electro-rheological fluid, the capacitor plates, the contact and the press switch, the ratchet clamped with the pawl in the ratchet wheel is broken, when the safety catch is opened, the contact is contacted with the press switch, so that voltage is generated between the two capacitor plates, the electro-rheological fluid is instantly changed from a liquid state to a solid state, and a whole is formed between the rotating shaft and the rotating groove, thereby effectively preventing the safety catch from being continuously opened to cause a person to be thrown out of the seat;

2. according to the invention, through the matching of the arc-shaped sliding groove, the sliding block, the telescopic rod, the arc-shaped convex block, the push rod and other components, after the push rod is pushed, the sliding block slides in the arc-shaped sliding groove, and then the push rod is contacted with the arc-shaped convex block after extruding the arc-shaped convex block, so that the stroke between the push switch and the contact is shortened, and the safety performance is higher.

Drawings

FIG. 1 is a schematic structural view of a guard seat for a playground according to the present invention;

FIG. 2 is a schematic structural view of an embodiment 2 of a guard seat for a fairground according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the structure at C in FIG. 3;

FIG. 5 is a schematic view of the structure at B in FIG. 2;

FIG. 6 is a schematic view of the structure of FIG. 5 at D;

fig. 7 is a schematic cross-sectional structure view of a runner of a guard seat for a fairground according to the present invention.

In the figure: the device comprises a chair surface 1, a chair back 2, a safety catch 3, a rotating shaft 4, a mounting cavity 5, a sealing end cover 6, a ratchet wheel 7, electrorheological fluid 8, an electric telescopic rod 9, a pawl 10, a contact 11, a push switch 12, an arc sliding groove 13, a spring 14, an arc convex block 15, an expansion rod 16, a push rod 17, a sliding block 18, a rotating groove 19, an arc mounting cavity 20 and a capacitance plate 21.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-7, a protection seat for amusement park, comprising a seat 1 and a seat back 2, wherein the seat 1 and the seat back 2 are fixedly connected through a plurality of locking bolts, rotating grooves 19 are symmetrically arranged on the side walls of the two sides of the seat back 2, a rotating shaft 4 is rotatably connected in the rotating grooves 19, a safety catch 3 is arranged at the end of the two rotating shafts 4 which are opposite, a mounting cavity 5 is arranged on the side walls of the two sides of the seat back 2, an electric telescopic rod 9 is arranged in the mounting cavity 5, an output shaft of the electric telescopic rod 9 is connected with a pawl 10, a ratchet 7 is fixedly sleeved on the side wall of the outer side of the rotating shaft 4, the pawl 10 is clamped with one ratchet of the ratchets 7, a plurality of grooves are arranged on the inner wall of the rotating groove 19 in a winding array manner, so that when an electrorheological fluid 8 is changed from a liquid state to a solid state, the groove is clamped with the groove to prevent the rotating shaft 4 from continuously rotating, the electro, and the arc-shaped mounting cavity 20 is provided with a capacitance plate 21, a notch of the rotary groove 19 is provided with a sealing device for preventing the overflow of the electrorheological fluid 8, the sealing device comprises a sealing end cover 6 arranged on the notch of the rotary groove 19, the sealing end cover 6 is sleeved on the outer side wall of the rotary shaft 4, the sealing end cover 6 is fastened on the side wall of the chair back 2 through a plurality of locking screws, the electrorheological fluid 8 is prevented from overflowing from the rotary groove 19, the side wall of another ratchet in the ratchet 7 is provided with a press switch 12, the press switch 12 is electrically connected with the capacitance plate 21, so that when the contact 11 is extruded with the press switch 12, a circuit is conducted, and the side wall of one side of the pawl 10 is connected with the contact 11 through a first.

According to the invention, after the protection seat for the playground is used for a long time, the pawl 10 and the ratchets in the ratchet wheel 7 are mutually clamped, the ratchets clamped mutually can be broken under the action of continuous abrasion and impact, when the ratchets are broken, the safety catch 3 can be opened, the ratchet wheel 7 is driven to rotate for a certain angle, the contact 11 on the pawl 10 is contacted with the press switch 12 on the ratchets adjacent to the broken ratchets, the circuit is conducted after the press switch 12 is pressed, voltage is generated between the two capacitance plates 21, and under the action of the voltage, due to the temperature plug phenomenon of the electrorheological fluid 8: under the action of electric field force, the viscosity of the electrorheological fluid 8 can be instantly increased by several orders of magnitude, so that the electrorheological fluid 8 can be subjected to liquid-solid conversion, and the conversion is mutually reversible, so that the rotating shaft 4 and the rotating groove 19 form a whole, and further, the safety catch 3 is prevented from being continuously opened to cause the personnel sitting on the seat to be thrown away, and further, the danger is caused.

Example 2

Be equipped with arc spout 13 on the lateral wall of ratchet 7, and one side of arc spout 13 be connected with through spring 14 with arc spout 13 assorted slider 18, slider 18 is connected with push type switch 12 through second branch, is connected with arc lug 15 through telescopic link 16 on one side lateral wall of ratchet 7, fixedly connected with push rod 17 on one side lateral wall of second branch.

Referring to fig. 2, 5 and 6, the difference from embodiment 1 is that: through promoting push rod 17 for slider 18 slides in arc spout 13, and then spring 14 is compressed, then push rod 17 passes arc lug 15 and offsets with the lateral wall of arc lug 15, thereby makes the stroke between push type switch 12 and the contact 11 shorten, thereby can adjust according to the difference between the adult and the child between the health, makes more humanized, and the security is higher.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A protective seat for an amusement park comprises a seat surface (1) and a seat back (2), and is characterized in that the seat surface (1) and the seat back (2) are fixedly connected through a plurality of locking bolts, rotating grooves (19) are symmetrically formed in side walls of two sides of the seat back (2), rotating shafts (4) are rotatably connected in the rotating grooves (19), safety blocking hands (3) are arranged at one ends of the two rotating shafts (4) which are deviated from each other, mounting cavities (5) are formed in the side walls of the two sides of the seat back (2), electric telescopic rods (9) are arranged in the mounting cavities (5), an output shaft of each electric telescopic rod (9) is connected with a pawl (10), a ratchet wheel (7) is fixedly sleeved on the side wall of the outer side of each rotating shaft (4), the pawl (10) is clamped with one ratchet wheel of the ratchet wheels (7), electrorheological fluid (8) is filled in each rotating groove (19), and the lateral wall of the rotating groove (19) is symmetrically provided with two opposite arc-shaped mounting cavities (20), a capacitor plate (21) is arranged in each arc-shaped mounting cavity (20), a sealing device for preventing the electro-rheological fluid (8) from overflowing is arranged at the notch of the rotating groove (19), the lateral wall of another ratchet in the ratchet wheel (7) is provided with a push type switch (12), and the lateral wall of one side of the pawl (10) is connected with a contact (11) through a first support rod.

2. The protection seat for the amusement park as claimed in claim 1, wherein an arc-shaped sliding groove (13) is formed in a side wall of the ratchet wheel (7), a sliding block (18) matched with the arc-shaped sliding groove (13) is connected to one side of the arc-shaped sliding groove (13) through a spring (14), the sliding block (18) is connected with a push switch (12) through a second support rod, an arc-shaped convex block (15) is connected to a side wall of the ratchet wheel (7) through an expansion rod (16), and a push rod (17) is fixedly connected to a side wall of the second support rod.

3. A fairground protection seat as claimed in claim 1, characterized in that said sealing means comprise a sealing cover (6) arranged on the slot opening of the rotary slot (19), and the sealing cover (6) is fitted over the outer side wall of the rotary shaft (4), said sealing cover (6) being fastened to the side wall of the seat back (2) by means of a plurality of locking screws.

4. The amusement park protection seat according to claim 1, wherein the push switch (12) and the capacitor plate (21) are electrically connected.

5. A fairground guard seat as claimed in claim 1, characterized in that said runner (19) has a plurality of grooves in its inner wall in a circumferential array.