CN102343926B - Hand-clamping prevention mechanism of baby carriage - Google Patents

Abstract

The invention provides a baby carriage hand clamping prevention mechanism which comprises a clamping prevention piece and an elastic component, wherein the elastic component is arranged in the lower end of a handle of a baby carriage in a telescopic mode, the upper end of the clamping prevention piece penetrates through the lower end of the handle and abuts against the elastic component, the lower end of the clamping prevention piece forms an arc surface matched with the side face of a rear foot of the baby carriage, and the arc surface abuts against the rear foot of the baby carriage. When the hands of the baby carriage are pushed forwards or backwards, the hands of the baby carriage can be in gapless abutting connection with the rear feet of the baby carriage, so that the hands of a child are prevented from being injured by clamping, and the baby carriage is safe, reliable and safe to use.

Description

Stroller anti-pinch mechanism

technical field

The invention relates to a baby carriage structure, in particular to a baby carriage anti-pinch mechanism.

Background technique

When taking the child outdoors for a walk or play, since the child cannot walk or has just learned to walk, the parents need to hold the child for a walk all the time, which will inevitably cause fatigue for a long time. In order to reduce the burden on parents, various baby carriages have appeared on the market as a means of transportation for young children. The common feature of existing baby carriages is that they are all equipped with wheels, so that parents can easily push their children and save a lot of money. physical strength.

Though the appearance of child carriage has alleviated the burden of parents, existing structure of child carriage still has deficiency. In order to be able to be folded and placed when not in use, the existing stroller generally includes a rider, a seat, a front foot and a rear foot, one end of the front foot and the rear foot is hinged, and the other ends of the front foot and the rear foot are respectively connected with a wheel. The seat is located between the front foot and the rear foot, and the lower end of the driver is hinged to the middle part of the rear foot. Since the front foot is hinged to the rear foot and the driver is hinged to the middle part of the rear foot, when not in use At the time, the front feet, the rear feet and the driver of the stroller can be folded together, so that the occupied space is small and easy to carry; however, due to the hinged relationship between the lower end of the driver and the middle part of the rear foot, the rider When the upper end of the driver is pushed forward or backward, the lower end of the driver will turn forward or backward relative to the rear foot, thereby creating a gap between the driver and the rear foot, and the size of the gap It changes with the rotation of the driver relative to the rear foot. Therefore, the existing structure and connection between the driver and the rear foot will produce a gap, which is easy to pinch the hand of the child sitting on the baby carriage, causing harm to the child. harm.

Therefore, it is necessary to provide an improved baby carriage anti-pinch mechanism to overcome the above-mentioned defects.

Contents of the invention

The object of the present invention is to provide a stroller anti-pinch mechanism which enables no gap between the rider of the stroller and the rear foot of the stroller when the rider of the stroller is pushed forward or backward The conflicting connection avoids pinching the hands of young children, and it is safe and reliable, and can be used with confidence.

In order to achieve the above object, the present invention provides an anti-pinch mechanism for baby carriages. The anti-pinch mechanism for baby carriages includes an anti-pinch piece and an elastic component. The upper end of the anti-clip part is passed through the inside of the lower end of the driver and resists the elastic assembly, and the lower end of the anti-clip part forms an arc matching the side of the rear foot of the stroller and the arc is aligned with the rear foot of the stroller. Interference; wherein, the elastic component includes a fixing piece and an elastic piece, the fixing piece is fixed inside the lower end of the rider of the stroller, and the two ends of the elastic piece respectively touch the lower end of the fixing piece and the anti- The upper end of the clamping piece; and the lower end of the fixing piece is protrudingly provided with a bump, and the upper end of the elastic piece is sheathed outside the bump.

Preferably, a groove is formed on the upper end of the anti-clamping member, and the lower end of the elastic member is accommodated in the groove.

Preferably, it also includes a first fixed shaft, the lower end of the groove is opened with a first elongated hole penetrating through two corresponding side walls of the anti-pinch member, and the side wall of the driver corresponds to the first elongated hole. The position of the hole is provided with a first opening matching the first fixed shaft, and the first fixed shaft passes through the first opening and the first elongated hole respectively, and the first long hole of the anti-clamping member The shaped hole slides up and down relative to the first fixed shaft, so that the anti-pinch member moves up and down relative to the rear foot.

Preferably, the lower end of the fixing member is provided with a hollow slot opening downwards and matched with the anti-pinch piece, the anti-pinch piece is installed in the hollow slot, and the two ends of the elastic piece are in contact with each other. The top end of the hollow groove and the upper end of the anti-clamping piece.

Preferably, the top end of the hollow groove of the fixing member protrudes downwards with a protrusion, and the lower end of the elastic member abuts against the upper end of the anti-clamping member.

Preferably, it also includes a second fixed shaft, the upper end of the anti-clip member is provided with a second elongated hole passing through its two corresponding side walls, and the side wall of the hollow groove corresponds to the position of the second elongated hole A second opening matching the second fixed shaft is opened, a third opening matching the second opening is opened on the side wall of the driver, and the second fixing shaft passes through the first opening respectively. Three openings, a second opening and a second elongated hole, the second elongated hole of the anti-clip element slides up and down relative to the second fixed shaft, so that the anti-clip element moves up and down relative to the rear foot .

Preferably, it also includes an engaging piece, the engaging piece is sleeved on the outside of the driver, and a matching piece engaged with the engaging element is provided on the rear foot.

Compared with the prior art, the baby carriage anti-pinch hand mechanism of the present invention includes an anti-pinch piece and an elastic component, and the lower end of the anti-pinch piece is provided with an arc surface matched with the side of the rear foot of the baby carriage, and the arc surface matches the side surface of the back foot of the baby carriage. The rear foot of the stroller is in contact, and the upper end of the anti-clip part is in contact with an elastic assembly arranged inside the lower end of the rider of the stroller. When the rider is pushed forward or backward, the elastic assembly always gives the The anti-pinch piece has a constant force towards the rear foot, so that there is no gap between the anti-pinch piece and the rear foot, thereby avoiding the gap to pinch the hand of the child, so that it is safe, reliable and can be used with confidence.

The present invention will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention.

Description of drawings

Fig. 1 is a structural schematic diagram of a baby carriage with a baby carriage hand-pinch prevention mechanism in the first specific embodiment of the present invention.

Fig. 2 is a partial structural diagram of the baby carriage with the anti-pinch mechanism of the baby carriage shown in Fig. 1 at another angle.

FIG. 3 is an enlarged view of the structure of part A in FIG. 2 .

Fig. 4 is a structural schematic diagram of a rider of the baby carriage with the anti-pinch mechanism of the baby carriage shown in Fig. 1 .

Fig. 5 is an exploded view of the structure of the baby carriage anti-pinch mechanism shown in Fig. 4 .

Fig. 6 is a structural schematic view of the driver of the baby carriage with the anti-pinch mechanism of the baby carriage shown in Fig. 4 at another angle.

FIG. 7 is an enlarged view of the structure of part B shown in FIG. 6 .

Fig. 8 is an exploded view of the structure of the baby carriage anti-pinch mechanism in the second specific embodiment of the present invention.

Fig. 9 is a structural schematic diagram of the baby carriage anti-pinch mechanism installed in the driver in the second specific embodiment of the present invention.

Detailed ways

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like components. As described above, the present invention provides a baby carriage anti-pinch mechanism, which can maintain no gap between the baby carriage driver and the rear feet of the baby carriage when the baby carriage driver is pushed forward or backward. The interfering connection of the gap avoids pinching the hand of the child, which is safe and reliable, and can be used with confidence.

Referring to Figures 1-7, in a specific embodiment of the present invention, the stroller anti-pinch mechanism 10 includes an anti-pinch member 11 and an elastic component 12, and the elastic component 12 is telescopically arranged at the lower end of the driver 20 of the stroller Inside, the upper end of the anti-pinch piece 11 is passed through the inside of the lower end of the rider 20 and resists the elastic component 12, and the lower end of the anti-pinch piece 11 forms an arc surface 110 matching the side of the rear foot 30 of the stroller and The arc surface 110 interferes with the rear foot 30 of the stroller. Since the lower end of the anti-pinch member 11 of the stroller anti-pinch hand mechanism 10 of the present invention is provided with an arc surface 110 matching the side of the rear foot 30 of the stroller and the arc surface 110 is in conflict with the rear foot 30 of the stroller, the The upper end of the anti-clip part 11 is in contact with the elastic component 12 arranged inside the lower end of the driver 20 of the stroller, and when the driver 20 is pushed forward or backward, the elastic component 12 always gives the anti-clip part 11 A constant force towards the rear feet 30 keeps the anti-clamping member 11 and the rear feet 30 in an interference connection without gaps, thus avoiding the gaps from pinching the hands of young children, so that it is safe, reliable and safe to use.

4-7, the elastic assembly 12 includes a first fixing member 121 and a first elastic member 122, the upper end of the first fixing member 121 is provided with a first fixing hole 1210, and the lower side wall of the driver 20 is Corresponding to the first fixing hole 1210, there are two opposite first through holes 210. The first fixing member 121 is penetrated inside the lower end of the driver 20, and a fixing shaft (not shown) passes through the driver. The first through hole 210 of 20 and the first fixing hole 1210 of the first fixing member 121 fix the first fixing member 121 inside the lower end of the driver 20 of the stroller. Specifically, a first protrusion 1212 protrudes from the lower end of the first fixing member 121, a groove 112 is formed on the upper end of the anti-clamping member 11, and the upper end of the first elastic member 122 is sheathed on the first elastic member 122. Outside a protruding block 1212 , the lower end of the first elastic member 122 is accommodated in the groove 112 . The design of the first protrusion 1212 and the groove 112 makes the two ends of the first elastic member 122 restricted, which plays a role of traction on the expansion and contraction of the first elastic member 122, avoiding the first elastic The element 122 deviates left and right during the expansion and contraction process, which ensures that the first elastic element 122 expands and contracts in a straight line. In this embodiment, the first elastic element 122 is a spring. Optionally, it can be other elastic elements. structure.

In this embodiment, the baby carriage anti-pinch mechanism 10 also includes a first fixed shaft (not shown in the figure), and the lower end of the groove 112 is provided with a first hole that runs through the two corresponding side walls of the anti-pinch piece 11 . The elongated hole 1120, the side wall of the driver 20 corresponding to the position of the first elongated hole 1120 is provided with a first opening 212 matching the first fixed shaft, and the first fixed shaft respectively passes through the The first opening 212 and the first elongated hole 1120 are described above. In this embodiment, the first elongated hole 1120 is a waist-shaped hole, the cross section of the first fixed shaft is circular and the first opening 212 is a circular hole, so the anti-clip The first elongated hole 1120 of 11 can slide up and down relative to the first fixed shaft, so that the anti-clamp 11 can move up and down relative to the rear foot 30. Optionally, the first fixed shaft, the first The opening 212 and the first elongated hole 1120 can also be other shapes that match each other.

Specifically, the baby carriage anti-pinch mechanism 10 also includes a locking member 14, the locking member 14 is sheathed outside the driver 20, and the rear foot 30 has a The matching piece 15 (as shown in Figure 1). The engaging design of the engaging part 14 and the matching part 15 makes the anti-clamping part 11 firmly touch the rear foot 30 in the use state, thereby further avoiding the contact between the anti-clamping part 11 and the rear foot. There is a gap between 30, so it is safe and reliable, and can be used with confidence.

Referring to Figures 8-9, in another specific embodiment of the present invention, the stroller anti-pinch mechanism 10' includes an anti-pinch piece 11' and an elastic component 12', and the upper end of the anti-pinch piece 11' has a through The two correspond to the second elongated hole 112' on the side wall, and the lower end of the anti-pinch piece 11' forms an arc surface 110' that matches the side of the rear foot (not shown) of the stroller, and the arc surface 110' matches the side of the stroller. The rear foot of the stroller is conflicting.

The elastic component 12' includes a second fixing part 121' and a second elastic part 122', the upper end of the second fixing part 121' is provided with a second fixing hole 1210', and the side wall of the lower end of the driver 20' Corresponding to the second fixing hole 1210', there are two opposite second through-holes 210', the second fixing member 121' penetrates inside the lower end of the driver 20', and a fixing shaft (not shown) penetrates Through the second through hole 210' of the driver 20' and the second fixing hole 1210' of the second fixing member 121', the second fixing member 121' is fixed on the lower end of the driver 20' of the stroller internal. The lower end of the second fixing part 121' is provided with a hollow groove 1211' that opens downward and matches the anti-clamping part 11', and the top end of the hollow groove 1211' protrudes downward with a second protrusion 1212' , the anti-pinch member 11' is installed in the hollow groove 1211', the upper end of the second elastic member 122' is sleeved outside the second protrusion 1212', and the second elastic member 122' The lower end of the lower end is in contact with the upper end of the anti-clamping member 11'. The design of the second protrusion 1212' makes the upper end of the second elastic member 122' restricted, which acts as a traction for the expansion and contraction of the second elastic member 122', and prevents the second elastic member 122 from 'In the process of expansion and contraction, left and right deviations occur, ensuring that the second elastic member 122' expands and contracts in a straight line. In this embodiment, the second elastic member 122' is a spring, and it can also be other Elastic structure.

In this embodiment, the stroller anti-pinch mechanism 10' also includes a second fixed shaft (not shown in the figure), and the side wall of the hollow groove 1211' corresponds to the position of the second elongated hole 112'. A second opening 1213' matching the second fixed shaft, and a third opening 212' matching the second opening 1213' is opened on the side wall of the driver 20, and the second fixing shafts are respectively Pass through the third opening 212', the second opening 1213' and the second elongated hole 112'. Specifically, the second elongated hole 112' is a waist-shaped hole, the cross section of the second fixed shaft is circular, and the second opening 1213' and the third opening 212' are circular holes, Therefore, the second elongated hole 112' of the anti-clamp 11' can slide up and down relative to the second fixed shaft, so that the anti-clip 11' can move up and down relative to the rear foot. Optionally, the The second fixed shaft, the second opening 1213 ′, the third opening 212 ′, and the second elongated hole 112 ′ can also have other matching shapes. In this embodiment, the baby carriage anti-pinch mechanism 10' also includes a snap-fitting part 14', the snap-fit part 14' is sheathed outside the driver 20', and the rear foot of the baby carriage is provided with a A matching piece (not shown) that engages with the above-mentioned engaging piece 14'.

The working principle of the baby carriage anti-pinch mechanism 10 of the present invention will be described in detail below in conjunction with FIGS. 1-7:

In the normal use state, the anti-pinch member 11 is in contact with the rear foot 30 of the stroller, at this time, the first elastic member 122 is compressed by the anti-pinch member 11 and shrinks, and the anti-pinch member 11 has no The interference of the gap is on the rear foot 30; when the driver 20 of the stroller is pushed forward or backward, a gap will be generated between the driver 20 and the rear foot 30, and at this time, the first elastic member 122 is relieved of the pressing force and has a rebound force. Under the action of the rebound force of the first elastic member 122 , the anti-clip member 11 is pushed to contact the rear foot 30 without gap. Since the contraction and rebound of the first elastic member 122 gives the anti-clamping member 11 a constant force always towards the rear foot 30 , there is no gap between the anti-clamping member 11 and the rear foot 30 conflict.

As shown in Figures 8-9, the working principle of the baby carriage anti-pinch mechanism 10' in another specific embodiment is the same as the working principle of the baby carriage anti-pinch mechanism 10 in the above-mentioned embodiment, and will not be described in detail here.

The present invention has been described above in conjunction with the best embodiments, but the present invention is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (7)

1. perambulator anti-pinch mobile phone structure, it is characterized in that, comprise anti-folder and elastic parts, the telescopic inside, lower end of being located at the driver of perambulator of described elastic parts, the upper end of described anti-folder is arranged in described driver's the inner and described elastic parts of conflicting in lower end, and the lower end formation of described anti-folder is conflicted with the cambered surface of the side coupling of the rear foot of perambulator and the rear foot of described cambered surface and described perambulator;

Wherein, described elastic parts comprises connecting element and elastic component, and described connecting element is fixed at the driver's of described perambulator inside, lower end, the two ends of described elastic component conflict the respectively lower end of described connecting element and the upper end of described anti-folder;

And the lower end of described connecting element convexes with projection, and the upper end of described elastic component is sheathed on outside the described projection.

2. perambulator anti-pinch mobile phone structure as claimed in claim 1 is characterized in that the upper end of described anti-folder offers groove, and the lower end of described elastic component is located in the described groove.

3. perambulator anti-pinch mobile phone structure as claimed in claim 2, it is characterized in that, also comprise first anchor shaft, the lower end of described groove offers first elongated hole of the two corresponding sidewalls that run through described anti-folder, the position of corresponding described first long shape hole of described driver's sidewall offers first perforate with described first anchor shaft coupling, described first anchor shaft passes described first perforate and first elongated hole respectively, first elongated hole of described anti-folder slides up and down with respect to described first anchor shaft, thereby described anti-folder moves up and down with respect to the described rear foot.

4. perambulator anti-pinch mobile phone structure as claimed in claim 1, it is characterized in that, the lower end of described connecting element offer that Open Side Down and with the dead slot of described anti-folder coupling, described anti-folder is installed in the described dead slot, the two ends of described elastic component conflict the respectively top of described dead slot and the upper end of described anti-folder.

5. perambulator anti-pinch mobile phone structure as claimed in claim 4 is characterized in that the top of the dead slot of described connecting element convexes with described projection downwards, the conflict upper end of described anti-folder, the lower end of described elastic component.

6. perambulator anti-pinch mobile phone structure as claimed in claim 4, it is characterized in that, also comprise second anchor shaft, the upper end of described anti-folder offers second elongated hole that runs through its two corresponding sidewall, the position of corresponding described second elongated hole of the sidewall of described dead slot offers second perforate with described second anchor shaft coupling, described driver's sidewall offers the 3rd perforate with described second perforate coupling, described second anchor shaft passes described the 3rd perforate respectively, second perforate and second elongated hole, second elongated hole of described anti-folder slides up and down with respect to described second anchor shaft, thereby described anti-folder moves up and down with respect to the described rear foot.

7. perambulator anti-pinch mobile phone structure as claimed in claim 1 is characterized in that, also comprise engagement piece, described engagement piece is sheathed on outside the described driver, and the described rear foot is provided with the related parts that fastens with described engagement piece.

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