阅读说明：本技术 一种婴儿车 (Baby carriage ) 是由 王鹏 于 2021-07-19 设计创作，主要内容包括：本发明涉及儿童载具领域,公开了一种婴儿车,其技术方案要点是包括握把和架体,架体包括前腿、后腿以及连接件,前腿与后腿通过连接件连接,握把与连接件转动连接,握把和架体包括收合状态和展开状态,在收合状态变为展开状态时,转动拨杆,使得拨杆通过牵引索带动卡块移动,卡块与滑块之间解锁,第一压缩弹簧依靠回复力推动滑块向下移动,使得传动杆向下移动,传动杆通过第一连杆、第二连杆和第三连杆带动前腿和握把展开,呈展开状态,握把和前腿通过机械的方式实现自动的展开,第三压缩弹簧为拨杆提供回复力,使得拨杆在无外力作用下,拨杆不发生转动。(The invention relates to the field of child carriers and discloses a baby carriage which adopts the technical scheme that the baby carriage comprises a handle and a frame body, wherein the frame body comprises a front leg, a rear leg and a connecting piece, the front leg and the rear leg are connected through the connecting piece, the handle is rotatably connected with the connecting piece, the handle and the frame body comprise a folding state and an unfolding state, when the folding state is changed into the unfolding state, the deflector rod is rotated, so that the deflector rod drives the clamping block to move through the traction rope, the clamping block and the sliding block are unlocked, the first compression spring pushes the sliding block to move downwards by virtue of restoring force, the driving rod moves downwards, the driving rod drives the front leg and the handle to be unfolded through the first connecting rod, the second connecting rod and the third connecting rod, the handle and the front leg are unfolded automatically in a mechanical mode, and the third compression spring provides restoring force for the shifting rod, so that the shifting rod does not rotate under the action of no external force.)

1. The utility model provides a baby carriage, includes handle (1) and support body (2), support body (2) include foreleg (21), back leg (22) and connecting piece (3), foreleg (21) with back leg (22) pass through connecting piece (3) are connected, handle (1) with connecting piece (3) rotate and connect its characterized in that: handle (1) with support body (2) are including closing the state and expanding the state, back leg (22) with be provided with opening and shutting the mechanism between connecting piece (3), opening and shutting the mechanism and including locking Assembly, drive assembly and unblock subassembly, the locking Assembly is used for the locking drive assembly, so that handle (1) with support body (2) are the state of closing, drive assembly is including the portion that resets, unblock subassembly is used for relieving locking Assembly's locking, and passes through the portion that resets expandes handle (1) with support body (2), so that handle (1) with support body (2) are the state of expanding.

2. A stroller according to claim 1, wherein: the rear legs (22) comprise two vertical pipes (221) and transverse pipes (222) fixedly connected between the two vertical pipes (221), the vertical pipes (221) are fixedly connected with the corresponding connecting pieces (3), bent pipes (5) are arranged between the vertical pipes (221), two ends of each bent pipe (5) are fixedly connected with sliding pieces (51) respectively, and the sliding pieces (51) are connected with the corresponding vertical pipes (221) in a sliding mode from top to bottom.

3. A stroller according to claim 2, wherein: an arc-shaped rod (52) is hinged between the bent pipe (5) and the corresponding vertical pipe (221).

4. A stroller according to claim 2, wherein: the transmission assembly comprises a transmission rod (4) and a connection assembly, the transmission rod (4) is arranged in one of the vertical pipes (221), a sliding block (41) is connected in the vertical pipe (221) in an up-and-down sliding mode, the sliding block (41) is fixedly connected with the corresponding sliding part (51), the transmission rod (4) extends downwards to penetrate through the sliding block (41), a positioning block (42) is fixedly connected to the bottom of the transmission rod (4), the bent pipe (5) is rotated, the bent pipe (5) passes through the sliding part (51) to enable the sliding block (41) to slide upwards, and the sliding block (41) is locked by the locking assembly.

5. A stroller according to claim 4, wherein: the reset part comprises a fixed block (43) and a first compression spring (44), the fixed block (43) is positioned in the vertical pipe (221) where the transmission rod (4) is positioned and fixedly connected with the vertical pipe (221), the transmission rod (4) extends upwards through the fixed block (43) and is in sliding connection with the fixed block (43), the first compression spring (44) is fixedly connected to one side, facing the sliding block (41), of the fixed block (43), and when the locking assembly locks the sliding block (41), the first compression spring (44) is compressed.

6. A stroller according to claim 2, wherein: the connecting component is of a multi-connecting-rod structure.

7. A stroller according to claim 6, wherein: coupling assembling includes first connecting rod (31), second connecting rod (32) and third connecting rod (33), first connecting rod (31) pass through second connecting rod (32) with third connecting rod (33) are articulated, set up fluted (34) on connecting piece (3), first connecting rod (31) inlay in recess (34), set up slide opening (35) on connecting piece (3), slide opening (35) run through and correspond standpipe (221), with transfer line (4) homonymy the one end of third connecting rod (33) with transfer line (4) fixed connection, and the other end with foreleg (21) are articulated.

8. A stroller according to claim 7, wherein: the locking assembly comprises a clamping block (6) arranged in the cross rod, a second compression spring (7) is fixedly connected between the clamping block (6) and the cross rod, and a locking hole is formed in the vertical pipe (221) to allow the clamping block (6) to slide into the vertical pipe (221).

9. A stroller according to claim 8, wherein: the unlocking assembly comprises a shifting rod (8) hinged to one of the vertical pipes (221), and a traction cable (81) is fixedly connected between the shifting rod (8) and the clamping block (6).

10. A stroller according to claim 9, wherein: and a third compression spring (9) is fixedly connected between the shifting lever (8) and the corresponding vertical pipe (221).

Technical Field

The invention relates to the field of child carriers, in particular to a baby carriage.

Background

The baby carriage is a tool carriage designed for providing convenience for outdoor activities of babies, and a family carrying the babies out of the home can use the baby carriage generally, so that the load of carrying the babies by the baby carriage can be relieved, and the babies can feel comfortable, but the baby carriage occupies a larger space when being placed at home due to overlarge volume, so that the baby carriage is a foldable baby carriage generally;

in the prior art, the folding of the baby carriage is troublesome, and more steps are needed, so that more time is spent and the baby carriage is inconvenient.

Disclosure of Invention

In view of the disadvantages of the prior art, the present invention is directed to a stroller that is easy to fold and unfold.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a baby carriage, includes handle and support body, the support body includes foreleg, back leg and connecting piece, the foreleg with the back leg passes through the connecting piece is connected, the handle with the connecting piece rotates to be connected, the handle with the support body is including closing the state and unfolding the state, the back leg with be provided with opening and shutting mechanism between the connecting piece, opening and shutting mechanism includes locking Assembly, drive assembly and unblock subassembly, locking Assembly is used for the locking drive assembly, so that the handle with the support body is closed the state of closing, drive assembly is including the portion that resets, unblock subassembly is used for relieving locking Assembly's locking, and pass through the portion that resets expandes the handle with the support body, so that the handle with the support body is expansion state.

As a further improvement of the present invention, the rear leg includes two vertical tubes and a horizontal tube fixedly connected between the two vertical tubes, the vertical tubes are fixedly connected with the corresponding connecting pieces, an elbow tube is disposed between the two vertical tubes, two ends of the elbow tube are respectively and fixedly connected with a sliding piece, and the sliding piece is vertically and slidably connected with the corresponding vertical tube.

As a further improvement of the invention, an arc-shaped rod is hinged between the bent pipe and the corresponding vertical pipe.

As a further improvement of the present invention, the transmission assembly includes a transmission rod and a connection assembly, the transmission rod is disposed in one of the vertical pipes, and a slide block is connected to the vertical inside of the vertical pipe in a sliding manner, the slide block is fixedly connected to the corresponding slide member, the transmission rod extends downward to penetrate through the slide block, and a positioning block is fixedly connected to the bottom of the transmission rod, the elbow pipe is rotated, the elbow pipe passes through the slide member to slide the slide block upward, and the locking assembly locks the slide block.

As a further improvement of the present invention, the reset portion includes a fixed block and a first compression spring, the fixed block is located in the vertical tube where the transmission rod is located and is fixedly connected to the vertical tube, the transmission rod extends upward through the fixed block and is slidably connected to the fixed block, the first compression spring is fixedly connected to one side of the fixed block facing the sliding block, and when the locking assembly locks the sliding block, the first compression spring is compressed.

As a further improvement of the invention, the connecting component is a multi-link structure.

As a further improvement of the present invention, the connecting assembly includes a first connecting rod, a second connecting rod and a third connecting rod, the first connecting rod is hinged to the third connecting rod through the second connecting rod, the connecting member is provided with a groove, the first connecting rod is embedded in the groove, the connecting member is provided with a slide hole, the slide hole penetrates through the corresponding vertical tube, one end of the third connecting rod on the same side as the transmission rod is fixedly connected to the transmission rod, and the other end of the third connecting rod is hinged to the front leg.

As a further improvement of the present invention, the locking assembly includes a fixture block disposed in the cross bar, a second compression spring is fixedly connected between the fixture block and the cross bar, and the vertical tube is provided with a locking hole for the fixture block to slide into the vertical tube.

As a further improvement of the invention, the unlocking assembly comprises a shifting lever hinged on one of the vertical pipes, and a traction cable is fixedly connected between the shifting lever and the clamping block.

As a further improvement of the invention, a third compression spring is fixedly connected between the shift lever and the corresponding vertical pipe.

The invention has the beneficial effects that: when the folding state is changed into the unfolding state, the shifting rod is rotated, the shifting rod drives the clamping block to move through the traction rope, the clamping block and the sliding block are unlocked, the first compression spring pushes the sliding block to move downwards by virtue of restoring force, the transmission rod moves downwards, the transmission rod drives the front leg and the handle to unfold through the first connecting rod, the second connecting rod and the third connecting rod, the handle and the front leg are unfolded automatically in a mechanical mode, and the third compression spring provides restoring force for the shifting rod, so that the shifting rod does not rotate under the action of no external force.

Drawings

FIG. 1 is a schematic view of the present invention in an expanded state;

FIG. 2 is a schematic cross-sectional view of a standpipe of the present invention;

fig. 3 is a schematic view of a folded state structure according to the present invention;

FIG. 4 is a schematic view of the internal structure of the standpipe of the present invention;

fig. 5 is a schematic cross-sectional view of the cross tube of the present invention.

Reference numerals: 1. a grip; 2. a frame body; 21. a front leg; 22. a rear leg; 221. a vertical tube; 222. a transverse tube; 3. a connecting member; 31. a first link; 32. a second link; 33. a third link; 34. a groove; 35. a slide hole; 4. a transmission rod; 41. a slider; 42. positioning blocks; 43. a fixed block; 44. a first compression spring; 5. bending the pipe; 51. a slider; 52. an arcuate bar; 6. a clamping block; 7. a second compression spring; 8. a deflector rod; 81. a traction cable; 9. a third compression spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 5, the stroller of this embodiment includes a handle 1 and a frame 2, the frame 2 includes a front leg 21, a rear leg 22 and a connecting member 3, the front leg 21 is rotatably connected to the connecting member 3, the front leg 21 is provided with a slot adapted to the connecting member 3, in an unfolded state, a portion of the connecting member 3 is inserted into the slot to shape the front leg 21, the front leg 21 and the rear leg 22 are rotatably connected to wheels, the front leg 21 is connected to the rear leg 22 via the connecting member 3, the handle 1 is rotatably connected to the connecting member 3, the connecting member 3 is provided with a gear locking mechanism for locking an unfolded position of the handle 1 when the handle 1 is unfolded, the handle 1 is provided with a button, the handle 1 is unlocked by pressing the button via a cord connecting the button and the gear locking mechanism, so that the handle 1 is under its own weight, the handle 1 and the frame body 2 rotate towards one side of the rear leg 22, the handle 1 and the frame body 2 comprise a folding state and an unfolding state, an opening and closing mechanism is arranged between the rear leg 22 and the connecting piece 3, the opening and closing mechanism comprises a locking component, a transmission component and an unlocking component, the locking component is used for locking the transmission component so as to enable the handle 1 and the frame body 2 to be in the folding state, the transmission component comprises a resetting part, the unlocking component is used for unlocking the locking component and unfolding the handle 1 and the frame body 2 through the resetting part so as to enable the handle 1 and the frame body 2 to be in the unfolding state, mechanical automatic unfolding is realized, compared with the mode of electric unfolding, the integral cost and weight are reduced, the structure is convenient, the structure is simple, the resetting part comprises a fixing block 43 and a first compression spring 44, the fixing block 43 is positioned in a vertical pipe 221 where the transmission rod 4 is positioned and fixedly connected with the vertical pipe 221, and the transmission rod 4 upwards extends through the fixing block 43, and is connected with the fixed block 43 in a sliding way, the first compression spring 44 is fixedly connected with one side of the fixed block 43 facing the sliding block 41, when the locking component locks the sliding block 41, the first compression spring 44 is compressed, one end of the first compression spring 44 is fixedly connected with the fixed block 43, the other end is suspended, the first compression spring 44 is sleeved on the transmission rod 4, in the upward movement process of the transmission rod 4, the top surface of the sliding block 41 is abutted against the suspended end of the first compression spring 44, and the first compression spring 44 is compressed, so that the front leg 21 and the rear leg 22 are in a folding state, when the locking between the clamping block 6 and the sliding block 41 is released, the first compression spring 44 pushes the sliding block 41 to move downwards by virtue of restoring force, so that the front leg 21 and the grip 1 are in an unfolding state, the unlocking component comprises a shifting lever 8 hinged on one of the vertical pipes 221, a traction rope 81 is fixedly connected between the shifting lever 8 and the clamping block 6, through rotating the deflector rod 8, the deflector rod 8 rotates towards one side far away from the fixture block 6, the deflector rod 8 pulls the fixture block 6 to move through the traction cable 81, the fixture block 6 and the sliding block 41 are unlocked, the first compression spring 44 pushes the sliding block 41 to move downwards, and therefore automatic unfolding between the front leg, the rear leg and the handle 1 is achieved.

Referring to fig. 1 to 5, the rear leg 22 includes two vertical pipes 221 and a horizontal pipe 222 fixedly connected between the two vertical pipes 221, two connecting pieces 3 are provided, the two vertical pipes 221 correspond to the vertical pipes 221 one by one, the vertical pipes 221 are fixedly connected to the corresponding connecting pieces 3, an elbow pipe 5 is provided between the two vertical pipes 221, two ends of the elbow pipe 5 are respectively fixedly connected to a sliding piece 51, the sliding piece 51 is vertically and slidably connected to the corresponding vertical pipe 221, the transmission assembly includes a transmission rod 4 and a connecting assembly, the transmission rod 4 is provided in one of the vertical pipes 221, a sliding block 41 is vertically and slidably connected to the vertical pipe 221, the other vertical pipe 221 is not provided with the transmission rod 4, the sliding block 41 is fixedly connected to the corresponding sliding piece 51, the transmission rod 4 extends downward to penetrate through the sliding block 41, an opening is formed in the sliding block 41, the transmission rod 4 penetrates through the opening, and a positioning block 42 is fixedly connected to the bottom of the transmission rod 4 to rotate the elbow pipe 5, the elbow 5 makes the sliding block 41 slide upwards through the sliding part 51, and the locking component locks the sliding block 41, the locking component includes a fixture block 6 arranged in the cross bar, a second compression spring 7 is fixedly connected between the fixture block 6 and the cross bar, a locking hole is arranged on the vertical pipe 221 for the fixture block 6 to slide into the vertical pipe 221, after the sliding block 41 slides upwards, the second compression spring 7 pushes the fixture block 6 towards one side of the sliding block 41 by virtue of the restoring force, so that the bottom of the sliding block 41 is abutted against the top of the fixture block 6, and the sliding block 41 cannot move downwards, the connecting component is a multi-link structure, which is stable and simple in structure, and comprises a first link 31, a second link 32 and a third link 33, the first link 31 is hinged with the third link 33 through the second link 32, the connecting piece 3 is provided with a groove 34, the first link 31 is embedded in the groove 34, the connecting piece 3 is provided with a sliding hole 35, the slide hole 35 penetrates through the corresponding vertical tube 221, one end of the third connecting rod 33 on the same side as the transmission rod 4 is fixedly connected with the transmission rod 4, and the other end of the third connecting rod 33 is hinged with the front leg 21, in the process that the transmission rod 4 moves downwards, the transmission rod 4 can drive the second connecting rod 32 to rotate through the third connecting rod 33, the second connecting rod 32 is rotatably connected with the front leg 21, so that the front leg 21 is unfolded to be in an unfolded state, in addition, the second connecting rod 32 rotates to drive the first connecting rod 31 to rotate, and the handle 1 is driven to rotate due to the fact that the first connecting rod 31 is embedded into the groove 34 of the connecting piece 3, and the handle 1 is also in an unfolded state.

Referring to fig. 1 to 5, an arc rod 52 is hinged between the elbow 5 and the corresponding vertical pipe 221, and two arc rods 52 may be provided and are respectively located at two ends of the elbow 5, so as to increase the stability of the elbow 5 when rotating, and ensure that the transmission rod 4 can be driven by the sliding part 51 to slide upwards when the elbow 5 rotates towards one side of the ground. A third compression spring 9 is fixedly connected between the shift lever 8 and the corresponding vertical tube 221, and the third compression spring 9 provides a restoring force for the shift lever 8, so that the shift lever 8 does not rotate under the action of no external force.

The working principle is as follows: when the folding state is changed from the unfolding state to the folding state, the elbow 5 is stepped by feet, so that the elbow 5 rotates towards one side of the rear leg 22, at the same time, the sliding block 41 moves upwards through the sliding part 51, the first compression spring 44 is compressed, the fixture block 6 is inserted into the locking hole, the sliding block 41 is locked, at the same time, the button is pressed, the handle 1 and the gear locking mechanism are unlocked, the handle 1 rotates towards one side of the rear leg 22 through gravity, the connecting piece 3 drives the transmission rod 4 to move upwards through the first connecting rod 31, the second connecting rod 32 and the third connecting rod 33, the second connecting rod 32 drives the front leg 21 to rotate towards one side of the rear leg 22, the handle 1 and the front leg 21 are folded, when the folding state is changed into the unfolding state, the deflector rod 8 is rotated, so that the deflector rod 8 drives the fixture block 6 to move through the traction cable 81, the fixture block 6 is unlocked from the sliding block 41, at the moment, the first compression spring 44 pushes the sliding block 41 to move downwards through restoring force, so that the transmission rod 4 moves downwards, and the transmission rod 4 drives the front leg 21 and the grip 1 to unfold through the first link 31, the second link 32 and the third link 33, and assumes an unfolded state.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.