CN201077474Y - Children's barrow - Google Patents

Abstract

The utility model relates to a children pushchair, comprising a frame, a lower pushing knob arranged on the frame, an upper pushing knob rotatablely arranged on the lower pushing knob. A rotary control device is arranged between the lower and the upper pushing knobs to control position of the superior pushing knob. A folding control device is arranged on the frame to control expansion or furl of the frame. The utility model has an advantage that the upper pushing knob and the folding frame can be rotated by operating the rotary control device.

Description

stroller

technical field

The utility model relates to a stroller for children.

Background technique

In the prior art, children's strollers generally include components such as a vehicle frame, wheels, and pockets, and push handles for the stroller are arranged on the vehicle frame. Generally, for the convenience and comfort of pushing, the vehicle frame is provided with a rotation control mechanism for adjusting the orientation of the push handle, and the user can adjust the position of the push handle relative to the vehicle frame by operating the rotation control mechanism; on the other hand, The frame of the current children's stroller is generally foldable, and a folding control mechanism is arranged on the frame, and the user can expand or fold the frame by operating the folding control mechanism, but in all current designs, the The rotation control mechanism and the folding control mechanism are independent of each other, that is to say: the user must operate the rotation control mechanism to adjust the position of the push handle, and must operate the folding control mechanism to unfold or fold the frame. The operation is cumbersome, time-consuming and labor-intensive.

Contents of the invention

The purpose of the utility model is to provide a stroller for children, which can adjust the orientation of the push handle by operating the rotation control mechanism, and can also control the folding control mechanism so that the frame can be unfolded or folded.

In order to achieve this purpose, the technical solution adopted by the utility model is: a children's stroller, which includes a frame, a push-down handle arranged on the frame, and a push-down handle rotatably arranged on the push-down handle The push-up handle, a rotation control mechanism for controlling the position of the push-up handle is provided between the push-down handle and the push-up handle, and a rotation control mechanism for controlling the position of the push-up handle is provided on the frame. A folding control mechanism for unfolding or folding the frame, the rotation control mechanism includes a first casing, a second casing that is rotatably arranged with the first casing through a rotation shaft, the first casing, the second casing One part of the second housing is connected with the push-up handle, the other part is connected with the push-down handle, and the inner wall of the second housing is provided with at least one The second tooth-shaped protrusion extending parallel to the rotation shaft, a tooth core is arranged between the first casing and the second casing, the tooth core is sleeved on the rotation shaft, and the The outer peripheral surface of the tooth core has a plurality of teeth parallel to the axis of the rotating shaft, the tooth core is slidably connected with the first housing along the axial direction of the rotating shaft, and the tooth core There are two working states with the second housing, that is, locked state and free state. In the locked state, the teeth are engaged with the second tooth-like protrusions. In the free state, the said teeth are disengaged from said second denticulations;

The rotation control mechanism also includes

a lever arranged on the second housing and parallel to the rotation axis;

A guide groove provided on the tooth core for guiding the driving rod to make a circular motion around the rotating shaft;

The connecting piece arranged between the tooth core and the first housing, the connecting piece is rotatably arranged on the rotating shaft, and the connecting piece is connected to the The folding control mechanism is connected, and the driving lever is matched with the connecting piece and has two working states, that is, the rotating state and the unlocking state. In the rotating state, the driving rod is inserted into the guide groove , in the unlocked state, the driving lever is disengaged from the guide groove and interferes with the connecting piece.

The rotation control mechanism further includes a button which is inserted into the second housing and can slide along the axial direction of the rotation shaft, and the button is in conflict with one side of the tooth core.

The inner wall of the first housing is provided with a plurality of first tooth-shaped protrusions extending in a direction parallel to the rotation axis, and the first tooth-shaped protrusions are engaged with the teeth.

The rotation control mechanism further includes a spring provided between the tooth core and the first housing to provide axial elastic force for the tooth core.

The rotation control mechanism also includes a torsion spring provided between the connection piece and the first housing to provide a restoring force for the connection piece, and the torsion spring is sleeved on the rotation shaft On the other hand, one end of the torsion spring is in contact with the first housing, and the other end is connected with or in contact with the connecting piece.

Compared with the prior art, the utility model has the following advantages: and through the interaction between the lever and the connecting part, the connecting part is driven to move, and then the traction cable connected with the connecting part is pulled to drive the folding control mechanism, so that it only needs to be manipulated to rotate The control mechanism can simultaneously achieve the purposes of adjusting the position of the push handle and controlling the folding control mechanism, which is convenient to use.

Description of drawings

Accompanying drawing 1 is the schematic diagram of the utility model;

Accompanying drawing 2 is the assembly diagram one of rotation control mechanism in the utility model;

Accompanying drawing 3 is the second assembly diagram of the rotation control mechanism in the utility model;

Accompanying drawing 4 is the schematic diagram of rotation control mechanism in the utility model;

Accompanying drawing 5 is accompanying drawing 4 along the sectional view of A-A direction;

Accompanying drawing 6 is a sectional view along the B-B direction of accompanying drawing 4;

Among them: 1. Frame; 2. Wheel; 3. Push-up handle; 4. Rotation control mechanism; 5. First housing; 6. Rotation shaft; 7. Second housing; 9, tooth core; 10, tooth; 11, button; 12, lever; 13, guide groove; 14, connector; 15, traction cable; 16, first tooth-like protrusion; 17, spring; 18, torsion spring; 19. Car pocket; 20. Folding control mechanism; 21. Push down handle.

Detailed ways

As shown in accompanying drawings 1-6: a kind of children's stroller, it comprises vehicle frame 1, the push-down handle 21 that is arranged on described vehicle frame 1, the push-down handle 21 that is rotatably arranged on described push-up handle 3, a rotation control mechanism 4 for controlling the position of the push-up handle 3 is provided between the push-down handle 21 and the push-up handle 3, and the frame 1 is provided with a The folding control mechanism 20 that controls the unfolding or folding of the vehicle frame 1, the rotation control mechanism 4 includes a first casing 5, a second casing that is rotatably arranged with the first casing 5 through a rotation shaft 6 body 7, one part of the first casing 5 and the second casing 7 is connected with the push-up handle 3, the other part is connected with the push-down handle 21, and the first The inner wall of the second housing 7 is provided with at least one second tooth-shaped protrusion 8 extending in a direction parallel to the rotation axis 6, and is arranged between the first housing 5 and the second housing 7. There is a tooth core 9, the tooth core 9 is sleeved on the rotating shaft 6, the outer peripheral surface of the tooth core 9 has a plurality of teeth 10 parallel to the axis line of the rotating shaft 6, and the The tooth core 9 is slidably connected with the first housing 5 along the axial direction of the rotating shaft 6, and there are two working states between the tooth core 9 and the second housing 7, that is, locking state and free state, in the locked state, the tooth 10 is engaged with the second tooth-shaped protrusion 8, and in the free state, the tooth 10 is disengaged from the second tooth-shaped protrusion 8 ;

Described rotation control mechanism 4 also includes

a lever 12 arranged on the second housing 7 and parallel to the rotating shaft 6;

A guide groove 13 provided on the tooth core 9 for guiding the driving rod 12 to make a circular motion around the rotating shaft 6;

The connecting piece 14 arranged between the tooth core 9 and the first housing 5, the connecting piece 14 is rotatably arranged on the rotating shaft 6, and the connecting piece 14 passes through The traction cable 15 is connected with the folding control mechanism 20, and the driving lever 12 is matched with the connecting piece 14 and has two working states, that is, a rotating state and an unlocking state. In the rotating state, the The driving rod 12 is inserted into the guide groove 13 , and in an unlocked state, the driving rod 12 is disengaged from the guide groove 13 and interferes with the connecting piece 14 .

The rotation control mechanism 4 also includes a button 11 that is inserted into the second housing 7 and can slide along the axial direction of the rotation shaft 6. The button 11 is connected to the tooth core 9 one side is in conflict.

The inner wall of the first housing 5 is provided with a plurality of first tooth-shaped protrusions 16 extending in a direction parallel to the rotating shaft 6, and the first tooth-shaped protrusions 16 are connected to the teeth. 10 meshes.

The rotation control mechanism 4 further includes a spring 17 provided between the tooth core 9 and the first housing 5 to provide axial elastic force for the tooth core 9 .

The rotation control mechanism 4 also includes a torsion spring 18 provided between the connection piece 14 and the first housing 5 to provide a restoring force for the connection piece 14, and the torsion spring 18 covers On the rotating shaft 6 , one end of the torsion spring 18 is in contact with the first housing 5 , and the other end is connected or in contact with the connecting piece 14 .

When in use, if you need to adjust the position of the push handle 3, you only need to press the button 11, and the button 11 pushes the tooth core 9 to slide along the axial direction of the rotating shaft 6 until the tooth core 9 is separated from the second housing 7 , at this time, pull the push handle 3 so that the push handle 3 rotates relative to the push handle 21, and the position of the push handle 3 can be adjusted; In the guide groove 13 on the tooth core 9 and make a circular motion along the guide groove 13.

When the vehicle frame 1 needs to be unfolded or folded, repeat the above steps, and when the driving lever 12 moves to one end of the guide groove 13, continue to rotate the push handle 3 so that the driving lever 12 and the connecting piece 14 Contradicting and pushing the connecting piece 14 to rotate around the rotating shaft 6, the connecting piece 14 drives the traction cable 15 connected with it during the rotation, and the traction cable 15 pulls the folding control mechanism 20, so that the vehicle frame 1 can be unfolded Or fold.

Claims (5)

1. A stroller for children, which comprises a vehicle frame (1), a push-down handle (21) arranged on the described vehicle frame (1), rotatably arranged on the described push-down handle (21) push-up handle (3), and a rotation control mechanism (4) for controlling the position of the push-up handle (3) is provided between the push-down handle (21) and the push-up handle (3) , the frame (1) is provided with a folding control mechanism (20) for controlling the unfolding or folding of the frame (1), and the rotation control mechanism (4) includes a first housing (5) , the second housing (7) rotatably provided by the rotating shaft (6) and the first housing (5), the first housing (5), the second housing (7) One part is connected with the push-up handle (3), the other part is connected with the push-down handle (21), and the inner wall of the second housing (7) is provided with at least one The second tooth-shaped protrusion (8) extending parallel to the rotation axis (6) is provided with a tooth core (9) between the first casing (5) and the second casing (7) ), the tooth core (9) is sleeved on the rotating shaft (6), and the outer peripheral surface of the tooth core (9) has a plurality of teeth parallel to the axis line of the rotating shaft (6) (10), the tooth core (9) is slidably connected with the first housing (5) along the axial direction of the rotating shaft (6), and the tooth core (9) is connected with the There are two working states between the second housing (7), that is, a locked state and a free state. In the locked state, the teeth (10) are engaged with the second tooth-like protrusions (8). In a free state, the tooth (10) is separated from the second tooth-shaped protrusion (8); It is characterized in that: the described rotation control mechanism (4) also includes a driving lever (12) arranged on the second housing (7) and parallel to the rotating shaft (6); A guide groove (13) provided on the tooth core (9) for guiding the driving rod (12) to perform circular motion around the rotating shaft (6); The connection piece (14) arranged between the tooth core (9) and the first housing (5), the connection piece (14) is rotatably arranged on the rotation shaft (6 ), the connecting piece (14) is connected with the folding control mechanism (20) through the traction cable (15), and the driving lever (12) is matched with the connecting piece (14) and has There are two working states, that is, the rotating state and the unlocking state. In the rotating state, the driving lever (12) is inserted into the guide groove (13), and in the unlocking state, the driving lever (12) It breaks away from the guide groove (13) and interferes with the connecting piece (14). 2. The children's stroller according to claim 1, characterized in that: said rotation control mechanism (4) also includes a device inserted on said second housing (7) and can move along said rotation axis ( 6) An axially sliding button (11), the button (11) is in conflict with one side of the tooth core (9). 3. The children's stroller according to claim 1, characterized in that: the inner wall of the first housing (5) is provided with a plurality of The first tooth-shaped protrusion (16), the first tooth-shaped protrusion (16) meshes with the tooth (10). 4. The children's stroller according to claim 1, characterized in that: said rotation control mechanism (4) further comprises a set between said tooth core (9) and said first shell (5) The spring (17) between them provides axial elastic force for the tooth core (9). 5. The children's stroller according to claim 1, characterized in that: said rotation control mechanism (4) further comprises a set between said connecting piece (14) and said first shell (5) The torsion spring (18) that provides the restoring force for the connecting piece (14) between, the torsion spring (18) is sleeved on the described rotating shaft (6), and one end of the torsion spring (18) is connected with The first shell (5) is in conflict, and the other end is connected with or in conflict with the connecting piece (14).

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