CN216943237U

CN216943237U - Be applied to pull rod drive mechanism of perambulator

Info

Publication number: CN216943237U
Application number: CN202122776455.0U
Authority: CN
Inventors: 庄长安; 曾庆乐
Original assignee: Steady Baby And Child Products Huizhou Co ltd
Current assignee: Steady Baby And Child Products Huizhou Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-07-12
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a pull rod traction mechanism applied to a baby carriage, which comprises a push rod pipe, wherein a concave part is formed in the middle of the push rod pipe, the middle part of the depressed part is provided with a cylindrical opening which penetrates up and down, the lower part of the cylindrical opening of the depressed part is fixedly connected with a mounting base, the upper part of the cylindrical opening of the depressed part is fixedly connected with an installation cover plate which is embedded with the top of the installation base in a relative position, a cylindrical groove which is communicated up and down is formed in the middle of the mounting base, a key cover plate is movably connected to the bottom of the cylindrical groove of the mounting base, two sides of the top of the key cover plate are respectively and rotatably connected with a push pull rod, the cylindrical opening is embedded and provided with a wired fixed seat between the mounting base and the mounting base plate, the wire fixing seat is fixedly connected with two switches, the middle of the bottom end of the wire fixing seat is fixedly connected with a key reset spring, and the bottom end of the key reset spring is fixedly connected with the middle of the top wall of the key cover plate.

Description

Be applied to pull rod drive mechanism of perambulator

Technical Field

The utility model belongs to the technical field of a baby carriage, and particularly relates to a pull rod traction mechanism applied to the baby carriage.

Background

The baby carriage is a tool carriage designed for providing convenience for outdoor exercises of babies, has various types, mainly has two types of baby carriages in the existing market, is a full-function baby carriage which is not foldable but has good shock-proof effect, and is a portable foldable baby carriage which can be folded and stored. The frame of the portable folding baby carriage is formed by connecting a plurality of rods, the rods are stretched by the telescopic limit locking mechanisms, pull handles of the existing limit locking mechanisms are usually arranged on the outer sides of the tubes at the limit locking mechanisms, and the pull handles are easy to unlock the retention structure when deformed due to external impact.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a pull rod pulling mechanism for a stroller to solve the above-mentioned problems.

This utility model adopts for achieving the above purpose:

a pull rod traction mechanism applied to a baby carriage comprises a push rod pipe, wherein the push rod pipe is integrally in a U-shaped frame shape, a concave part is formed in the middle of the push rod pipe, a cylindrical opening penetrating through the upper part and the lower part is formed in the middle of the concave part, a mounting base is fixedly connected to the lower part of the cylindrical opening, a mounting cover plate which is oppositely embedded with the top of the mounting base is fixedly connected to the upper part of the cylindrical opening of the concave part, a cylindrical groove penetrating through the upper part and the lower part is formed in the middle of the mounting base, a key cover plate is movably connected to the bottom of the cylindrical groove of the mounting base, push pull rods are respectively and rotatably connected to two sides of the top of the key cover plate, a wire fixing base is embedded between the mounting base and the mounting base plate through the cylindrical opening, two switches are fixedly connected to the wire fixing base, and a key reset spring is fixedly connected to the middle of the bottom of the wire fixing base, the bottom end of the button reset spring is fixedly connected with the middle part of the top wall of the button cover plate, two reset springs are fixedly connected with two sides of the inner part of the two switches respectively, the outer end sides of the two reset springs on two sides of the two switches are fixedly connected with the top ends of push pull rods on two sides of the button cover plate respectively, the top of each push pull rod is embedded into the two switches, pull wires are fixedly connected with the upper ends of the front side walls of the push pull rods, the pull wires on two sides of the two switches are embedded into pipelines on two sides of the push rod pipe respectively, the outer end sides of the pull wires extend out of the push rod pipe and are fixedly connected with pull wire spring fixing seats, pull wire reset springs are fixedly connected with the bottom wall of each pull wire spring fixing seat, and clamp pin fixing seats are fixedly connected with the bottom ends of the pull wire reset springs.

It is further explained that the push pull rod is obliquely arranged from bottom to top along the axis of the two switches.

When the key cover plate is pressed towards the mounting base, the key return spring is in a compressed state, the push pull rod rotates to the top end to compress the two return springs, and the pull rod is driven to pull towards the wire fixing seat.

Further, the symmetrical central axial planes of the mounting base, the mounting cover plate, the wire fixing seat, the secondary switch and the key cover plate are coincident.

It is further explained that the symmetrical central axial plane between the push rods at the two sides of the key cover plate coincides with the symmetrical central axial plane of the key cover plate.

Compared with the prior art, the utility model has the beneficial effects that:

use in the actual time, connect fixed limit locking mechanism through the bayonet lock fixing base, when needing the bayonet lock mechanism unblock in the limit locking mechanism, press the button apron and can pull up the bayonet lock mechanism that corresponds through the acting as go-between, convenient and fast, and this kind of mode of pulling the unblock compares in current traditional bayonet lock unblock mode, and the unblock switch is difficult for receiving destruction when bayonet lock mechanism receives external force collision deformation, has increased life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

wherein: 1. a key cover plate; 2. pushing the pull rod; 3. mounting a base; 4. two switches; 5. a wire fixing seat; 6. installing a cover plate; 7. a pull wire; 8. a push rod tube; 9. two return springs; 10. a key return spring; 11. a stay wire spring fixing seat; 12. A pull wire return spring; 13. a bayonet fixing seat; 14. a recessed portion; 15. a cylindrical groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides the following technical solutions:

a pull rod traction mechanism applied to a baby carriage comprises a push rod pipe 8, the push rod pipe 8 is integrally in a U-shaped frame shape, a concave part 14 is formed in the middle of the push rod pipe 8, a cylindrical opening penetrating through the upper part and the lower part is formed in the middle of the concave part 14, the lower part of the cylindrical opening of the concave part 14 is fixedly connected with a mounting base, a mounting cover plate 6 which is oppositely embedded with the top part of the mounting base is fixedly connected to the upper part of the cylindrical opening of the concave part 14, a cylindrical groove 15 penetrating through the upper part and the lower part is formed in the middle of the mounting base, a key cover plate 1 is movably connected to the bottom of the cylindrical groove 15 of the mounting base, two sides of the top part of the key cover plate 1 are respectively and rotatably connected with a push pull rod 2, a wire fixing seat 5 is embedded between the mounting base and the mounting cover plate 63 through the cylindrical opening, a two-way switch 4 is fixedly connected to the wire fixing seat 5, and a key reset spring 10 is fixedly connected to the middle part of the bottom end of the wire fixing seat 5, the bottom of the key reset spring 10 is fixedly connected with the middle part of the top wall of the key cover plate 1, two reset springs 9 are fixedly connected with two inner sides of the two switches 4 respectively, the outer end sides of the two reset springs 9 on two sides of the two switches 4 are fixedly connected with the top ends of the push pull rods 2 on two sides of the key cover plate 1 respectively, the top of the push pull rod 2 is embedded into the two switches 4, the upper end of the front side wall of the push pull rod 2 is fixedly connected with a pull wire 7, the pull wires 7 on two sides of the two switches 4 are embedded into the pipelines on two sides of the push rod pipe 8 respectively, the outer end side of the pull wire 7 extends out of the push rod pipe 8 and is fixedly connected with a pull wire spring fixing seat 11, the bottom wall of the pull wire spring fixing seat 11 is fixedly connected with a pull wire reset spring 12, and the bottom end of the pull wire reset spring 12 is fixedly connected with a bayonet fixing seat 13.

Wherein, the push pull rod 2 is obliquely arranged from bottom to top along the axis of the two switches 4; when the key cover plate 1 is pressed towards the mounting base, the key return spring 10 is in a compressed state, the pull rod 2 is pushed to rotate to the top end to compress the second return spring 9, and the pull wire 7 is driven to be pulled towards the wire fixing seat 5; the symmetrical central axis surfaces of the mounting base, the mounting cover plate 6, the wire fixing seat 5, the secondary switch 4 and the key cover plate 1 are coincided; the symmetrical central axial plane between the two push pull rods 2 on the two sides of the key cover plate 1 is coincided with the symmetrical central axial plane of the key cover plate 1.

Use in the actual time, connect fixed limit locking mechanism through bayonet lock fixing base 13, when needing the bayonet lock mechanism unblock among the limit locking mechanism, press button cover plate 1 and can pull up the bayonet lock mechanism that corresponds through acting as go-between 7, convenient and fast, and this kind of mode of pulling the unblock, compare in current traditional bayonet lock unblock mode, the unblock switch is difficult for receiving destruction when bayonet lock mechanism receives external force collision deformation, has increased life.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. The pull rod traction mechanism applied to the baby carriage comprises a push rod pipe (8), wherein the push rod pipe (8) is integrally in a U-shaped frame shape, and is characterized in that a concave part (14) is formed in the middle of the push rod pipe (8), a cylindrical opening penetrating up and down is formed in the middle of the concave part (14), a mounting base (3) is fixedly connected to the lower portion of the cylindrical opening of the concave part (14), a mounting cover plate (6) which is oppositely embedded with the top of the mounting base (3) is fixedly connected to the upper portion of the cylindrical opening of the concave part (14), a cylindrical groove (15) penetrating up and down is formed in the middle of the mounting base (3), a key cover plate (1) is movably connected to the bottom of the cylindrical groove (15) of the mounting base (3), a push pull rod (2) is respectively and rotatably connected to two sides of the top of the key cover plate (1), and a wire fixing seat is embedded between the mounting base (3) and the mounting cover plate (6) of the cylindrical opening (5) The wire fixing seat (5) is fixedly connected with two switches (4), the middle part of the bottom end of the wire fixing seat (5) is fixedly connected with a key reset spring (10), the bottom ends of the key reset springs (10) are fixedly connected with the middle part of the top wall of the key cover plate (1), two sides of the interior of the two switches (4) are respectively and fixedly connected with two reset springs (9), the outer end sides of the two reset springs (9) at two sides of the two switches (4) are respectively and fixedly connected with the top ends of push pull rods (2) at two sides of the key cover plate (1), the top parts of the push pull rods (2) are embedded into the two switches (4), the upper end of the front side wall of the push pull rods (2) is fixedly connected with pull wires (7), the pull wires (7) at two sides of the two switches (4) are respectively embedded into pipelines at two sides of a push rod pipe (8), the outer end side of acting as go-between (7) extends push rod pipe (8) and fixedly connected with and acts as go-between spring fixing base (11), the diapire fixedly connected with of acting as go-between spring fixing base (11) acts as go-between reset spring (12), the bottom fixedly connected with bayonet lock fixing base (13) of reset spring (12) acts as go-between.

2. A pull rod traction mechanism for a stroller as defined in claim 1, wherein: the push pull rod (2) is obliquely arranged from bottom to top along the axis of the two switches (4).

3. A pull rod traction mechanism for a stroller according to claim 1, wherein: when the key cover plate (1) is pressed towards the mounting base (3), the key reset spring (10) is in a compressed state, the push pull rod (2) rotates to the top end to press the two-way reset spring (9), and the pull wire (7) is driven to be pulled towards the wire fixing seat (5).

4. A pull rod traction mechanism for a stroller according to claim 1, wherein: the symmetrical central axis surfaces of the mounting base (3), the mounting cover plate (6), the wire fixing seat (5), the secondary switch (4) and the key cover plate (1) are overlapped.

5. A pull rod traction mechanism for a stroller as defined in claim 1, wherein: the symmetry center axial plane between the two sides of the push pull rods (2) on the key cover plate (1) is coincident with the symmetry center axial plane of the key cover plate (1).