CN211684783U

CN211684783U - Rotary lock releasing mechanism

Info

Publication number: CN211684783U
Application number: CN202020035324.XU
Authority: CN
Inventors: 周小林; 杨刚; 郭毅
Original assignee: Max Inf Ningbo Baby Product Co Ltd
Current assignee: Max Inf Ningbo Baby Product Co Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-16
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a rotatory mechanism of releasing lock belongs to children's safety seat field, and its technical scheme main points include the base epitheca, the base inferior valve and be located rotary disk between the two, the outside extension in edge of rotary disk is equipped with a plurality of locating holes, be equipped with the gear bolt on the base inferior valve, the one end pin joint of gear bolt in a horizontal rotating shaft, this pivot is fixed in the base inferior valve, the other end of gear bolt is buckled and is provided with the sticking department, the gear bolt revolutes the rotation of axes, make the sticking department insert in the locating hole or break away from the locating hole. When the unlocking button is pressed, the unlocking button drives the gear bolt to rotate around the rotating shaft, so that the locking part of the gear bolt is separated from the positioning hole to realize unlocking. Because the below of gear bolt is provided with the shell fragment that resets, the gear bolt receives ascending holding power and elasticity this moment, and when the rotary disk rotated the angle that needs, the gear bolt can slide into to the locating hole automatically under the effect of shell fragment that resets in, and then accomplishes the locking of rotary disk.

Description

Rotary lock releasing mechanism

Technical Field

The utility model relates to a children's safety seat, in particular to rotatory release mechanism.

Background

The child safety seat is a restraint device used on an automobile for protecting the safety of children during riding, and can be kept on the automobile seat to limit the displacement of the children when the automobile changes speed suddenly or an accident happens, so that the injury to the children is reduced.

Children of different ages should choose different child safety seats, usually under the age of 1 year, infants with weight not more than 16 kg are suitable for infant special seats which are installed face backwards or infant dual-purpose safety seats which can change directions, so that the face of the infant faces backwards, and the neck of the infant is prevented from being injured; a child aged 1 or older is suitable for a child safety seat facing forward or a convertible-direction safety seat.

The child safety seat can rotate 360 degrees, is an important function, can be convenient for an adult to place a child on the child safety seat from the side face of the automobile, and can be convenient for the adult to hold the child out of the child safety seat from the side face of the automobile; although the existing child safety seat has the rotation function, the fixing structure is too many, and the operation is very complicated.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a rotary lock releasing mechanism with simple structure and convenient operation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a rotary lock releasing mechanism comprises an upper base shell, a lower base shell and a rotary disk located between the upper base shell and the lower base shell, wherein the edge of the rotary disk extends outwards and is provided with a plurality of positioning holes, a gear bolt is arranged on the lower base shell, one end of the gear bolt is pivoted to a horizontal rotating shaft, the rotating shaft is fixed in the lower base shell, the other end of the gear bolt is bent and provided with a locking part, and the gear bolt rotates around the rotating shaft to enable the locking part to be inserted into the positioning holes or separated from the positioning holes.

Preferably, a reset piece is connected to the gear position bolt, and is used for keeping the locking part of the gear position bolt inserted into the positioning hole.

Preferably, the piece that resets is the shell fragment that resets, and this shell fragment that resets is U type structure, two vertical portions of U type structure are fixed part and resilience portion respectively, casing fixed connection under fixed part and the base, resilience portion supports and is used for driving gear bolt upward movement in the bottom of gear bolt, makes the gear bolt keeps inserting and is located in the locating hole.

Preferably, one end of the springback part, which is far away from the fixing part, extends upwards to form a limiting lug, and the limiting lug is bent along the outer surface of the gear bolt.

Preferably, the base upper shell is provided with an installation groove on the outer side of the rotating disc, a through hole is formed in the bottom of the installation groove, a lock release button is arranged in the installation groove, the bottom of the lock release button penetrates through the through hole and abuts against the gear position plug pin to drive the gear position plug pin to rotate downwards so that the locking portion of the gear position plug pin is separated from the positioning hole.

Preferably, the lock releasing button is provided with an installation cavity with a downward opening, a compression spring is arranged in the installation cavity, the upper end of the compression spring abuts against the inner wall of the installation cavity, and the lower end of the compression spring abuts against the gear bolt.

Preferably, the bottom of the release button is provided with openings on two sides of the mounting cavity, and the openings are clamped on the outer side of the gear bolt.

Preferably, the mounting groove is located at a front side of the base upper case.

Preferably, the bottom of the rotating disk is provided with an arc-shaped surface protruding downwards.

Preferably, the base upper shell is fixedly connected with the base lower shell.

Compared with the prior art, the utility model discloses a rotatory mechanism of releasing lock's advantage lies in, when pressing the button of releasing lock, the button of releasing lock orders about the gear bolt and revolutes the rotation of axes, causes the sticking department of gear bolt to break away from the locating hole and realizes the unblock. Because the below of gear bolt is provided with the shell fragment that resets, the gear bolt receives ascending holding power and elasticity this moment, and when the rotary disk rotated the angle that needs, the gear bolt can slide into to the locating hole automatically under the effect of shell fragment that resets in, and then accomplishes the locking of rotary disk.

Drawings

Fig. 1 is an exploded view of a rotary release mechanism in the present embodiment;

FIG. 2 is a schematic sectional view of the rotary release mechanism in the locked state according to the present embodiment;

FIG. 3 is a cross-sectional view of the rotary lock release mechanism of the present embodiment when unlocking;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is an enlarged schematic view at C of FIG. 3;

fig. 6 is an enlarged schematic view of a portion a of fig. 1.

In the figure, 1, a base upper shell; 11. mounting grooves; 12. a through hole; 2. a lower base shell; 3. rotating the disc; 31. positioning holes; 4. a gear bolt; 41. a rotating shaft; 42. a locking portion; 5. resetting the elastic sheet; 51. a fixed part; 52. a spring back portion; 521. a limiting lug; 6. a lock release button; 61. a mounting cavity; 62. an opening; 7. compressing the spring.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

A rotary unlocking mechanism is shown in figures 1-6 and comprises an upper base shell 1, a lower base shell 2 and a rotary disk 3 positioned between the upper base shell 1 and the lower base shell 2, wherein the bottom of the rotary disk 3 is a downward convex arc-shaped surface, the edge of the rotary disk 3 extends outwards and is provided with a plurality of positioning holes 31, the lower base shell 2 is provided with a gear bolt 4, one end of the gear bolt 4 is pivoted to a horizontal rotating shaft 41, the rotating shaft 41 is fixed in the lower base shell 2, the other end of the gear bolt 4 is bent to be provided with a locking part 42, and the gear bolt 4 rotates around the rotating shaft 41 to enable the locking part 42 to be inserted into the positioning holes 31 or separated from the positioning holes 31. When the child safety seat is used, the seat body of the child safety seat is fixedly connected with the rotating disc 3 through the through hole in the middle of the base upper shell 1.

A reset member is attached to the shift position cross pin 4 for supporting the shift position cross pin 4 and maintaining the lock portion 42 of the shift position cross pin 4 inserted in the positioning hole 31. Preferably, the piece that resets is the shell fragment 5 that resets, and this shell fragment 5 that resets is U type structure, and two vertical portions of U type structure are fixed part 51 and resilience portion 52 respectively, and fixed

part

51 and 2 body fixed connection under the base, resilience portion 52 support and are used for driving gear bolt 4 upward movement in gear bolt 4's bottom, make gear bolt 4 keep inserting and are located locating hole 31. One end of the rebound part 52, which is far away from the fixing part 51, extends upwards to form a limiting protruding piece 521, and the limiting protruding piece 521 is bent along the outer surface of the gear bolt 4 and used for blocking the gear bolt 4 and preventing the gear bolt 4 from being separated from the reset elastic sheet 5 in the rebound process.

The return member may be a tension spring or a compression spring 7 as long as the shift position plug 4 can be kept moving upward to insert the locking part 42 into the positioning hole 31.

The base upper shell 1 is provided with a mounting groove 11 on the outer side of the rotating disk 3, a through hole 12 is formed in the bottom of the mounting groove 11, a lock release button 6 is arranged in the mounting groove 11, the bottom of the lock release button 6 penetrates through the through hole 12 and abuts against the gear position bolt 4, and the gear position bolt 4 is driven to rotate downwards so that the locking portion 42 of the gear position bolt 4 is separated from the positioning hole 31. Wherein, the mounting groove 11 is located at the front side of the base upper shell 1 so as to facilitate the user to unlock the rotating disk 3.

The unlocking button 6 is provided with a mounting cavity 61 with a downward opening, a compression spring 7 is arranged in the mounting cavity 61, the upper end of the compression spring 7 is abutted against the inner wall of the mounting cavity 61, and the lower end of the compression spring 7 is abutted against the gear bolt 4 for resetting the unlocking button 6. The bottom of the lock release button 6 is provided with openings 62 on both sides of the mounting cavity, and the openings 62 are clamped on the outer side of the gear bolt 4 to enable the lock release button 6 to always abut against the gear bolt 4.

Compared with the prior art, the utility model discloses a rotatory mechanism of releasing lock's advantage lies in, when pressing release button 6, release button 6 orders about gear bolt 4 and revolutes 41 rotations of rotating, causes gear bolt 4's sticking department 42 to break away from locating hole 31 and realizes the unblock. Because the below of gear bolt 4 is provided with the shell fragment 5 that resets, gear bolt 4 receives ascending holding power and elasticity this moment, and when rotary disk 3 rotated the angle that needs, gear bolt 4 can slide into to locating hole 31 in by the automatic under the effect of shell fragment 5 that resets, and then accomplished the locking of rotary disk 3.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. 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. A rotary lock release mechanism is characterized in that: including base epitheca (1), base inferior valve (2) and be located rotary disk (3) between the two, the edge of rotary disk (3) outwards extends and is equipped with a plurality of locating holes (31), be equipped with gear bolt (4) on base inferior valve (2), the one end pin joint in a horizontal rotating shaft (41) of gear bolt (4), this pivot (41) are fixed in base inferior valve (2), the other end of gear bolt (4) is buckled and is provided with sticking department (42), gear bolt (4) wind pivot (41) rotate, make sticking department (42) insert in locating hole (31) or break away from locating hole (31).

2. The rotary lock release mechanism of claim 1, wherein: the gear bolt (4) is connected with a reset piece, and a locking part (42) of the gear bolt (4) is kept inserted into the positioning hole (31).

3. The rotary lock release mechanism of claim 2, wherein: reset the piece and be reset shell fragment (5), this reset shell fragment (5) is U type structure, two vertical portions of U type structure are fixed part (51) and resilience portion (52) respectively, fixed part (51) and base inferior valve (2) body fixed connection, resilience portion (52) support and are used for driving gear bolt (4) upward movement in the bottom of gear bolt (4), make gear bolt (4) keep inserting and are located in locating hole (31).

4. The rotary lock release mechanism of claim 3, wherein: one end, far away from the fixing portion (51), of the rebound portion (52) extends upwards to form a limiting protruding piece (521), and the limiting protruding piece (521) is bent along the outer surface of the gear bolt (4).

5. The rotary lock release mechanism of claim 1, wherein: the base upper shell (1) is provided with a mounting groove (11) on the outer side of the rotating disc (3), a through hole (12) is formed in the bottom of the mounting groove (11), a lock releasing button (6) is arranged in the mounting groove (11), the bottom of the lock releasing button (6) penetrates through the through hole (12) and abuts against the gear bolt (4) and is used for driving the gear bolt (4) to rotate downwards so that a locking portion (42) of the gear bolt (4) is separated from the positioning hole (31).

6. The rotary lock release mechanism of claim 5, wherein: the unlocking button (6) is provided with an installation cavity (61) with a downward opening, a compression spring (7) is arranged in the installation cavity (61), the upper end of the compression spring (7) abuts against the inner wall of the installation cavity (61), and the lower end of the compression spring (7) abuts against the gear bolt (4).

7. The rotary lock release mechanism of claim 5, wherein: the bottom of the unlocking button (6) is provided with openings (62) on two sides of the mounting cavity (61), and the openings (62) are clamped on the outer side of the gear bolt (4).

8. The rotary lock release mechanism of claim 5, wherein: the mounting groove (11) is positioned on the front side of the base upper shell (1).