CN220720876U

CN220720876U - Lock catch for automobile child safety seat

Info

Publication number: CN220720876U
Application number: CN202322510148.7U
Authority: CN
Inventors: 陶凡; 郁舒兰
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-05
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses a lock catch for an automobile child safety seat, and relates to the technical field of automobile safety equipment. The combined button comprises a main handle, wherein a combined button is arranged at one end of the main handle, a fixed button is arranged at the other end of the main handle, a slot is formed in the top of the main handle, a first button and a second button are connected to the upper end of the main handle in a sliding manner, and positioning slots are formed in the parts of the first button and the second button, which are positioned in the main handle; the main handle is arranged to form a handle structure which is attached to a human hand shape, the first button and the second button are arranged to jointly lock the inserted bar on the combined buckle, the third button is used for limiting the relative positions of the first button and the second button, so that two locking structures are formed, the first button and the third button are blocked by matching with the crank, the wrong unlocking of the lock catch caused by playing by children is avoided, the safety belt is prevented from being opened in a non-guardianship state, and the safety of the child seat is ensured.

Description

Lock catch for automobile child safety seat

Technical Field

The utility model relates to the technical field of automobile safety equipment, in particular to a lock catch for an automobile child safety seat.

Background

The automobile child safety seat is specially designed for children with different weights (or age groups), is installed in an automobile, and can effectively improve riding safety of the children. The definition of the European mandatory enforcement standard ECE R44/03 is a child safety protection system which can be fixed to a motor vehicle, consisting of a harness assembly or flexible part with an I SOF IX interface, an adjusting mechanism, an accessory, etc. In the event of a car crash or sudden deceleration, the impact on the child may be reduced and the child's body movement restricted to mitigate injury to them.

In the prior art, the safety belt enables the child safety seat to achieve one of the main structures of the safety function, the safety belt is arranged in the common child safety seat in a Y shape, the safety belt connecting lock catch is positioned in front of the child body, the convenience is brought to the child playing lock catch, and meanwhile, the common safety belt lock catch is locked and unlocked only through one button, so that the safety belt is unlocked by mistake easily in the child playing process, and potential safety hazards are formed.

Disclosure of Invention

The utility model provides a lock catch for an automobile child safety seat, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lock catch for the automobile child safety seat comprises a main handle, wherein a combined lock catch is arranged at one end of the main handle, and a fixed lock catch is arranged at the other end of the main handle;

the top of the main handle is provided with a slot, the upper end of the main handle is slidably connected with a first button and a second button, the parts of the first button and the second button, which are positioned in the main handle, are provided with positioning grooves, a first reset spring is arranged between the first button and the second button, a clamping block is slidably connected in the main handle, the side face of the clamping block is provided with a second reset spring, the lower end of the clamping block is fixedly connected with a first rack, the side face of the main handle is slidably connected with a third button, the side face of the third button is fixedly connected with a second rack, the side face of the second rack is meshed with a gear, and the side face of the third button is provided with a third reset spring;

the side surfaces of the combined buckle and the fixed buckle are fixedly connected with iron rings, the bottom of the combined buckle is fixedly connected with an inserting rod, the side surface of the inserting rod is provided with a clamping groove, the outer part of the fixed buckle is fixedly connected with a positioning ring, the side sliding connection of holding ring has the go-between, the side of go-between is provided with the fourth reset spring, the side rotation of go-between is connected with the crank, the equal fixedly connected with trip of the surface of the inner wall of crank and the fixed knot.

Further, two inserted bars are arranged, the two inserted bars are oppositely arranged and correspond to the positioning grooves one by one, the inserted bars are inserted into the slots, the inserted bars are matched with the positioning grooves, and the shape of the inner wall of the clamping groove is matched with the shape of the side wall of the positioning groove.

Further, the first button and the second button are arranged oppositely, and the parts of the first button and the second button, which are positioned in the main handle, are provided with planes attached to the clamping blocks at two sides of the clamping blocks.

Further, one end of the second reset spring away from the clamping block is fixedly connected with the main handle, and when the second reset spring is in a state without external force, the clamping block is positioned between the first button and the second button.

Further, the third button is arranged on the same side of the first button, and one end, far away from the third button, of the third reset spring is fixedly connected with the inner wall of the main handle.

Further, the first rack and the second rack are meshed with the gear.

Further, the one end that the crank was kept away from fixed knot is L setting and laminating in first button and second button outside.

Compared with the prior art, the utility model provides the lock catch for the automobile child safety seat, which has the following beneficial effects:

this car children safety seat is with hasp, constitute the handle structure that pastes into the staff type through setting up the main handle, set up first button and second button and lock the inserted bar on the combination knot jointly, the relative position of reuse third button to first button and second button is prescribe a limit to, thereby form twice locking structure, the pressing of three button needs five fingers to mutually support, thereby put the restriction to user's hand size, can be convenient will accord with the hand type of children size through main handle size setting and get rid of application range, and cooperate the crank to the stop of first button and third button, the hasp mistake unblock that causes when having avoided children to play, prevent that the safety belt from being opened under the non-guarded state, child seat's security has been guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the main shank of the present utility model;

fig. 3 is a schematic view of the structure of the fastener of the present utility model.

In the figure: 1. a main handle; 11. a slot; 12. a first button; 13. a second button; 14. a positioning groove; 15. a first return spring; 16. a clamping block; 17. a second return spring; 18. a first rack; 19. a third button; 110. a second rack; 111. a gear; 112. a third return spring; 2. a combination buckle; 21. an iron ring; 22. a rod; 23. a clamping groove; 3. a fixing buckle; 31. a positioning ring; 32. a connecting ring; 33. a fourth return spring; 34. a crank; 35. and (5) clamping tenons.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a lock catch for an automobile child safety seat, which comprises a main handle 1, wherein one end of the main handle 1 is provided with a combined buckle 2, and the other end of the main handle 1 is provided with a fixed buckle 3; the top of the main handle 1 is provided with a slot 11, the upper end of the main handle 1 is slidably connected with a first button 12 and a second button 13, the parts of the first button 12 and the second button 13, which are positioned in the main handle 1, are provided with positioning grooves 14, a first reset spring 15 is arranged between the first button 12 and the second button 13, the inside of the main handle 1 is slidably connected with a clamping block 16, the side surface of the clamping block 16 is provided with a second reset spring 17, the lower end of the clamping block 16 is fixedly connected with a first rack 18, the side surface of the main handle 1 is slidably connected with a third button 19, the side surface of the third button 19 is fixedly connected with a second rack 110, the side surface of the second rack 110 is meshed with a gear 111, and the side surface of the third button 19 is provided with a third reset spring 112; the side of combination knot 2 and fixed knot 3 is all fixedly connected with hoop 21, the bottom fixedly connected with inserted bar 22 of combination knot 2, draw-in groove 23 has been seted up to the side of inserted bar 22, the outside fixedly connected with holding ring 31 of fixed knot 3, the side sliding connection of holding ring 31 has go-between 32, the side of go-between 32 is provided with fourth reset spring 33, the side rotation of go-between 32 is connected with crank 34, the equal fixedly connected with trip 35 in the surface of the inner wall of crank 34 and fixed knot 3.

Specifically, two inserting rods 22 are provided, the two inserting rods 22 are oppositely arranged and correspond to the positioning grooves 14 one by one, the inserting rods 22 are inserted into the slots 11, the inserting rods 22 are matched with the positioning grooves 14, and the shape of the inner wall of the clamping groove 23 is matched with the shape of the side wall of the positioning groove 14.

In this embodiment, when the combination clasp 2 is connected to the main handle 1, the two inserting rods 22 are inserted into the main handle 1 through the slots 11 and respectively inserted into the corresponding positioning slots 14, and meanwhile, the first reset springs 15 are disposed between the first button 12 and the second button 13, so that the first button 12 and the second button 13 are supported outwards towards two sides of the main handle 1 in a state without external force, one side inner wall of the positioning slot 14 is attached to the clamping slot 23, a clamping structure is formed, and the inserting rods 22 are fixed by the embedding of the clamping slot 23 and the inner wall of the positioning slot 14.

Specifically, the first button 12 and the second button 13 are disposed opposite to each other, and the portions of the first button 12 and the second button 13 located in the main handle 1 are provided with planes attached to the clamping blocks 16 on both sides of the clamping blocks 16.

In this embodiment, the arrangement of the latch 16 restricts the mutual approaching of the first button 12 and the second button 13, prevents the first button 12 and the second button 13 from sliding toward the inside of the main handle 1, fixes the positions of the first button 12 and the second button 13,

specifically, one end of the second return spring 17 away from the clamping block 16 is fixedly connected with the main handle 1, and when the second return spring 17 is in a state without external force, the clamping block 16 is located between the first button 12 and the second button 13.

In this embodiment, the clamping block 16 is supported by the second reset spring 17 when no external force is applied, and is always located between the first button 12 and the second button 13, so as to fix the positions of the first button 12 and the second button 13, when the fixing needs to be released, the clamping block 16 moves down, and after the unlocking operation is finished, the clamping block 16 is clamped between the first button 12 and the second button 13 again under the action of the second reset spring 17.

Specifically, the third button 19 is disposed on the same side of the first button 12, and one end of the third return spring 112 away from the third button 19 is fixedly connected with the inner wall of the main handle 1; the crank 34 is arranged at one end far away from the fixed buckle 3 in an L shape and is attached to the outer sides of the first button 12 and the second button 13.

In this embodiment, the crank 34 is offset to the side of the first button 12 and the third button 19 to form a blocking structure, so as to prevent the first button 12 and the third button 19 from being touched by mistake when not necessary, and protect the first button and the third button.

Specifically, the first rack 18 and the second rack 110 are meshed with each other with a gear 111.

In this embodiment, in the process of pressing the third button 19, the first rack 18 slides towards the inner side of the main handle 1, the driving gear 111 rotates, and then drives the second rack 110 to slide downwards, so as to pull the clamping block 16 to move downwards, and when the third button 19 is released, the third reset spring 112 pushes the third button 19 to reset, and cooperates with the second reset spring 17 below the clamping block 16 to drive the clamping block 16 to restore to the locking position again.

When in use, the safety belt on the safety seat is connected with the combined buckle 2 and the fixed buckle 3 through the iron ring 21, wherein the fixed buckle 3 is fixedly connected with the main handle 1, when the safety belt is required to be buckled, the combined buckle 2 is assembled at the top of the main handle 1, the crank 34 is firstly pressed down in the releasing process to enable the crank 34 to be misplaced with the clamping tenon 35 on the fixed buckle 3, at the moment, the fourth reset spring 33 is compressed, the crank 34 is rotated to enable the crank 34 to be biased in front of the main handle 1, the crank 34 is released, the fourth reset spring 33 pushes the crank 34 to move upwards, the crank 34 and the clamping tenon 35 on the fixed buckle 3 are on the same plane again and are arranged in a staggered manner, the angle of the crank 34 is fixed, the main handle 1 is held by hand, the thumb and the index finger are respectively lapped on the second button 13 and the first button 12, the third button 19 is pressed firstly, the third button 19 is driven to rotate by the gear 111 through the second rack 110, at the moment, the third reset spring 112 is compressed, the gear 111 drives the first rack 18 to move downwards, the clamping block 16 is driven to slide downwards and move out from between the first button 12 and the second button 13, at the moment, the second reset spring 17 is compressed, the thumb and the forefinger apply force to simultaneously press the first button 12 and the second button 13, the first reset spring 15 is compressed, the side wall of the positioning groove 14 is separated from the clamping groove 23, the obstruction in the upward moving direction of the inserted rod 22 is removed, the combined buckle 2 is pulled upwards, the inserted rod 22 is driven to be separated from the slot 11, the decomposition action is completed, and the reverse is achieved during assembly.

In summary, according to the lock catch for the child safety seat of the automobile, the main handle 1 is arranged to form the handle structure which is attached to the hand of a person, the first button 12 and the second button 13 are arranged to jointly lock the inserted link 22 on the combined buckle 2, the third button 19 is used for limiting the relative positions of the first button 12 and the second button 13, so that the two locking structures are formed, five fingers are needed to be mutually matched when the three buttons are pressed, the hand size of a user is limited, the use range of the hand which accords with the child size can be conveniently eliminated through the size setting of the main handle 1, the blocking of the first button 12 and the third button 19 by the crank 34 is matched, the lock catch error unlocking caused when the child plays is avoided, the safety belt is prevented from being opened in an unattended state, and the safety of the child seat is ensured.

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

Claims

1. The utility model provides a car children's safety hasp for seat, includes main handle (1), its characterized in that: one end of the main handle (1) is provided with a combined buckle (2), and the other end of the main handle (1) is provided with a fixed buckle (3);

the novel multifunctional electric bicycle is characterized in that the top of the main handle (1) is provided with a slot (11), the upper end of the main handle (1) is connected with a first button (12) and a second button (13) in a sliding manner, the parts of the first button (12) and the second button (13) which are positioned in the main handle (1) are provided with positioning grooves (14), a first reset spring (15) is arranged between the first button (12) and the second button (13), a clamping block (16) is connected in the main handle (1) in a sliding manner, the side face of the clamping block (16) is provided with a second reset spring (17), the lower end of the clamping block (16) is fixedly connected with a first rack (18), the side face of the main handle (1) is connected with a third button (19) in a sliding manner, the side face of the third button (19) is fixedly connected with a second rack (110), the side face of the second rack (110) is meshed with a gear (111), and the side face of the third button (19) is provided with a third reset spring (112);

the combined buckle comprises a combined buckle body and is characterized in that iron rings (21) are fixedly connected to the side faces of the combined buckle body and the fixed buckle body (3), a inserting rod (22) is fixedly connected to the bottom of the combined buckle body, a clamping groove (23) is formed in the side face of the inserting rod (22), a positioning ring (31) is fixedly connected to the outside of the fixed buckle body (3), a connecting ring (32) is slidably connected to the side face of the positioning ring (31), a fourth reset spring (33) is arranged on the side face of the connecting ring (32), a crank (34) is rotatably connected to the side face of the connecting ring (32), and a clamping tenon (35) is fixedly connected to the inner wall of the crank (34) and the surface of the fixed buckle body (3).

2. The latch for an automotive child safety seat according to claim 1, wherein: the two inserting rods (22) are arranged oppositely and correspond to the positioning grooves (14) one by one, the inserting rods (22) are inserted into the slots (11), the inserting rods (22) are matched with the positioning grooves (14), and the shape of the inner wall of the clamping groove (23) is matched with the shape of the side wall of the positioning groove (14).

3. The latch for an automotive child safety seat according to claim 1, wherein: the first button (12) and the second button (13) are oppositely arranged, and the parts of the first button (12) and the second button (13) which are positioned in the main handle (1) are respectively provided with a plane attached to the clamping block (16) at two sides of the clamping block (16).

4. The latch for an automotive child safety seat according to claim 1, wherein: one end of the second reset spring (17) far away from the clamping block (16) is fixedly connected with the main handle (1), and when the second reset spring (17) is in a state without external force, the clamping block (16) is positioned between the first button (12) and the second button (13).

5. The latch for an automotive child safety seat according to claim 1, wherein: the third button (19) is arranged on the same side of the first button (12), and one end of the third reset spring (112) far away from the third button (19) is fixedly connected with the inner wall of the main handle (1).

6. The latch for an automotive child safety seat according to claim 1, wherein: the first rack (18) and the second rack (110) are both meshed with a gear (111).

7. The latch for an automotive child safety seat according to claim 1, wherein: one end of the crank (34) far away from the fixed buckle (3) is L-shaped and is attached to the outer sides of the first button (12) and the second button (13).