Adjustable telescopic rod set and baby walker

Abstract

The utility model discloses an adjustable telescopic rod group and a baby walker. The adjustable telescopic rod group of the utility model is provided with an unlocking mechanism for driving a first locking tongue to move inwards and then driving the first locking tongue to unlock at one end of an inner tube, and when a driving toggle assembly moves relative to the inner tube, the first locking tongue can be driven to move inwards and then driven to unlock. This unlocking method is labor-saving and will not hurt fingers, so it is relatively easy to use. The baby walker of the utility model adopts the adjustable telescopic rod group, which is labor-saving to adjust and will not hurt fingers, so it is relatively easy to use.

Description

Technical Field

[0001] The utility model relates to an adjustable telescopic rod group and also relates to a baby walker. Background Art

[0002] In baby strollers, bed rails, baby walkers and other products, it is often necessary to adjust the height of the connecting rod or the supporting foot to adapt to people of different heights. For example, the utility model patent with application number "201820233064.X" and invention name "A baby walker" discloses a telescopic adjustment device (see specification

[0047] -

[0050] , attached Figure 3 ), when using it, you need to use your fingers or tools to make the spring column completely enter the adjustment hole of the outer tube (without interfering with the relative movement of the inner tube and the outer tube), and then you can adjust the relative position of the inner tube and the outer tube to achieve telescopic adjustment. However, it is difficult to press the spring column with your fingers, and you need to use a lot of force, which will hurt your hand; using tools is troublesome. Utility Model Content

[0003] In view of the above-mentioned prior art, it is necessary to use fingers or tools to press the elastic column so that the elastic column is completely sunk through the adjustment hole before the inner tube and the outer tube can be directly adjusted for extension and contraction, which is painful or troublesome during use. The utility model solves the technical problem by adopting the following technical scheme: an adjustable telescopic rod group, the adjustable telescopic rod group comprises: an inner tube and an outer tube, one end of the inner tube is slidably connected in the outer tube, the inner tube is provided with a first locking hole, the outer tube is provided with a plurality of second locking holes corresponding to the first locking hole along the movement direction of the inner tube, the inner tube is provided with a first locking tongue which can be sequentially embedded in the first locking hole and the second locking hole to relatively lock the inner tube and the outer tube, the inner tube is also provided with an elastic member for driving the first locking tongue to remain embedded in the first locking hole and the second locking hole, one end of the inner tube is provided with an unlocking mechanism for driving the first locking tongue to move inwards and then drive the first locking tongue to unlock, the unlocking mechanism comprises: a toggle assembly and a linkage member, the toggle assembly is slidably connected to one end of the inner tube, one end of the linkage member is connected to the first locking tongue, and the other end of the linkage member is connected to the toggle assembly, so that: when the toggle assembly is driven to move relative to the inner tube, the first locking tongue can be driven to move inwards and then drive the first locking tongue to unlock.

[0004] In the adjustable telescopic rod assembly as described above, a positioning block is provided at one end of the inner tube, the first locking tongue is slidably connected to the positioning block, and the first locking tongue comprises: a sliding part slidably connected to the positioning block and a locking tongue part connected to the sliding part.

[0005] In the adjustable telescopic rod assembly as described above, the linkage member is a steel wire rope connected between the toggle assembly and the first locking tongue, one end of the steel wire rope is connected to the sliding part, and the other end of the steel wire rope is connected to the toggle assembly.

[0006] In the adjustable telescopic rod assembly as described above, the toggle assembly comprises: a sliding block slidably connected to the inner tube and a toggle member driving the sliding block to move, and the toggle member comprises: a toggle portion located outside the inner tube and a connecting portion connected to the sliding block.

[0007] In the adjustable telescopic rod assembly as described above, one end of the positioning block is provided with a limiting edge, and one end of the outer tube is provided with a limiting sleeve that cooperates with the limiting edge to prevent the inner tube from falling off the outer tube.

[0008] In the adjustable telescopic rod group as described above, the positioning block is provided with a first barb for locking the positioning block on the inner tube, and the inner tube is provided with a first locking hole used in conjunction with the first barb; the limiting sleeve is provided with a second barb for locking the limiting sleeve on the outer tube, and the outer tube is provided with a second locking hole used in conjunction with the second barb.

[0009] The utility model provides a baby walker, comprising: a tray frame, a chassis frame, and supporting legs for connecting the tray frame and the chassis frame, wherein the tray frame is connected with a seat pocket, and the supporting legs include the adjustable telescopic rod group for adjusting the length of the supporting legs.

[0010] A baby walker as described above is characterized in that: the support leg is rotatably connected to the tray frame and the chassis frame, the support leg comprises: an upper arm and a lower arm, the upper arm and the lower arm are rotatably connected, a locking device is provided between the upper arm and the lower arm for locking the upper arm and the lower arm into one body when the upper arm is unfolded relative to the lower arm, the upper arm and the lower arm are locked by the locking device, the adjustable telescopic rod group is arranged on the lower arm, and the height of the support leg is changed by the adjustable telescopic rod group of the lower arm.

[0011] A baby walker as described above, the locking device comprises: a second locking tongue, a reset member and a driving member, the second locking tongue is slidably connected to the upper arm, the lower arm is provided with a third locking hole into which the second locking tongue can be inserted when the upper arm is unfolded relative to the lower arm, the reset member is arranged on the upper arm to drive the second locking tongue to remain inserted in the third locking hole, and the driving member is connected to the second locking tongue to drive the second locking tongue to move out of the third locking hole to achieve unlocking.

[0012] The beneficial effects of the utility model are:

[0013] 1. The adjustable telescopic rod assembly of the utility model is provided with an unlocking mechanism at one end of the inner tube for driving the first lock tongue to move inwards and then driving the first lock tongue to unlock. When the driving toggle assembly moves relative to the inner tube, the first lock tongue can be driven to move inwards and then drive the first lock tongue to unlock. This unlocking method is more labor-saving and will not hurt the fingers, so it is easier to use.

[0014] 2. The utility model baby walker adopts an adjustable telescopic rod group, which is labor-saving to adjust and will not hurt fingers, so it is easier to use.

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the baby walker of the utility model;

[0017] Figure 2 This is one of the structural schematic diagrams of the supporting legs of the baby walker of the present utility model;

[0018] Figure 3 This is the second structural schematic diagram of the supporting legs of the baby walker of the present utility model;

[0019] Figure 4 This is one of the exploded schematic diagrams of the adjustable telescopic rod assembly of the utility model;

[0020] Figure 5 This is the second exploded schematic diagram of the adjustable telescopic rod assembly of the utility model;

[0021] Figure 6 This is one of the exploded schematic diagrams of the support legs and the locking device of the baby walker of the present invention;

[0022] Figure 7 This is the second exploded schematic diagram of the support legs and the locking device of the baby walker of the present invention;

[0023] Figure 8 It is one of the three-dimensional cross-sectional schematic diagrams of the supporting legs of the baby walker of the present utility model;

[0024] Fig. 9 This is the second schematic three-dimensional cross-sectional view of the support leg of the baby walker of the present invention. DETAILED DESCRIPTION

[0025] The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 4 , Figure 5 , Figure 8As shown, an adjustable telescopic rod group of this embodiment, the adjustable telescopic rod group 4 includes: an inner tube 41 and an outer tube 42, one end of the inner tube 41 is slidably connected to the outer tube 42, the inner tube 41 is provided with a first locking hole 410, and the outer tube 42 is provided with a plurality of second locking holes 420 corresponding to the first locking hole 410 along the movement direction of the inner tube 41, the inner tube 41 is provided with a first locking tongue 43 which can be inserted into the first locking hole 410 and the second locking hole 420 in sequence to relatively lock the inner tube 41 and the outer tube 42, and the inner tube 41 is also provided with a first locking tongue 43 for driving the first locking tongue 43 to keep inserted into the first locking hole 410 and the second locking hole 420. The elastic member 44 in the first lock hole 410 and the second lock hole 420, the inner tube 41 is provided with an unlocking mechanism 45 at one end thereof for driving the first lock tongue 43 to move inwards and then driving the first lock tongue 43 to unlock, the unlocking mechanism 45 comprising: a toggle assembly 451 and a linkage 452, the toggle assembly 451 is slidably connected to one end of the inner tube 41, one end of the linkage 452 is connected to the first lock tongue 43, and the other end of the linkage 452 is connected to the toggle assembly 451, so that: when the toggle assembly 451 is driven to move relative to the inner tube 41, the first lock tongue 43 can be driven to move inwards and then drive the first lock tongue 43 to unlock. The adjustable telescopic rod set of the utility model is provided with an unlocking mechanism at one end of the inner tube for driving the first lock tongue to move inwards and then drive the first lock tongue to unlock, and when the toggle assembly is driven to move relative to the inner tube, the first lock tongue can be driven to move inwards and then drive the first lock tongue to unlock, and this unlocking method is more labor-saving, and will not hurt the fingers, and is relatively easy to use.

[0027] In this embodiment, a positioning block 411 is provided at one end of the inner tube 41, and the first locking tongue 43 is slidably connected to the positioning block 411. The first locking tongue 43 comprises: a sliding portion 431 slidably connected to the positioning block 411 and a locking tongue portion 432 connected to the sliding portion 431. The elastic member 44 may be a spring provided between the sliding portion 431 and the positioning block 411.

[0028] In this embodiment, the linkage member 452 is a steel wire rope connected between the toggle assembly 451 and the first locking tongue 43, one end of the steel wire rope is connected to the sliding portion 431, and the other end of the steel wire rope is connected to the toggle assembly 451. This has the advantage of convenient assembly.

[0029] In this embodiment, the toggle assembly 451 comprises: a sliding block 4511 slidably connected to the inner tube 41 and a toggle member 4512 driving the sliding block 4511 to move, and the toggle member 4512 comprises: a toggle portion 45121 located outside the inner tube 41 and a connecting portion 45122 connected to the sliding block 4511. This structure has the advantage of convenient assembly.

[0030] In order to prevent the inner tube from falling off from the outer tube, a limiting edge 4111 is provided at one end of the positioning block 411 , and a limiting sleeve 421 is provided at one end of the outer tube 42 to cooperate with the limiting edge 4111 to prevent the inner tube 41 from falling off from the outer tube 42 .

[0031] In order to facilitate the assembly of the positioning block and the limiting sleeve, a first barb 4112 for locking the positioning block 411 on the inner tube 41 is provided on the positioning block 411, and a first locking hole 4101 used in conjunction with the first barb 4112 is provided on the inner tube 41; the limiting sleeve 421 is provided with a second barb 4211 for locking the limiting sleeve 421 on the outer tube 42, and a second locking hole 4201 used in conjunction with the second barb 4211 is provided on the outer tube 42.

[0032] like Figures 1 to 9 As shown, a baby walker of this embodiment comprises: a tray frame 100, a chassis frame 200, and a support leg 300 for connecting the tray frame 100 and the chassis frame 200, the tray frame 100 is connected with a seat 400, and the support leg 300 comprises the above-mentioned adjustable telescopic rod set 4 for adjusting the length of the support leg 300. The baby walker of the utility model adopts the above-mentioned adjustable telescopic rod set, which is more labor-saving to adjust, and will not hurt the fingers, and is relatively easy to use.

[0033] In this embodiment, in order to achieve the folding of the walker, the support leg 300 is rotatably connected to the tray frame 100 and the chassis frame 200, and the support leg 300 includes: an upper arm 1 and a lower arm 2, and the upper arm 1 and the lower arm 2 are rotatably connected. A locking device 3 is provided between the upper arm 1 and the lower arm 2 for locking the upper arm 1 and the lower arm 2 into one body when the upper arm 1 is unfolded relative to the lower arm 2. The upper arm 1 and the lower arm 2 are locked by the locking device 3, and the adjustable telescopic rod group 4 is provided on the lower arm 2, and the height of the support leg 300 is changed by the adjustable telescopic rod group 4 of the lower arm 2.

[0034] In this embodiment, the locking device 3 comprises: a second locking tongue 31, a reset member 32 and a driving member 33. The second locking tongue 31 is slidably connected to the upper arm 1. The lower arm 2 is provided with a third locking hole 301 into which the second locking tongue 31 can be inserted when the upper arm 1 is unfolded relative to the lower arm 2. The reset member 32 is arranged on the upper arm 1 to drive the second locking tongue 31 to remain inserted into the third locking hole 301. The driving member 33 is connected to the second locking tongue 31 to drive the second locking tongue 31 to move out of the third locking hole 301 to achieve unlocking. When the upper arm 1 is unfolded relative to the lower arm 2, the second locking tongue 31 will enter the third locking hole 301 under the action of the reset member 32 (which can be a spring), so that the upper arm 1 is locked relative to the lower arm; when the driving member 33 is toggled to make the second locking tongue move out of the third locking hole 301, the lock can be unlocked, and at this time, the upper arm 1 can be rotated by the lower arm 2 to achieve folding.

[0035] The above examples are only used to further illustrate the technical content of the utility model, so that readers can understand it more easily, but it does not mean that the implementation methods of the utility model are limited to this. Any technical extension or re-creation made based on the utility model is protected by the utility model. The protection scope of the utility model shall be based on the claims.

Claims

1. An adjustable telescopic rod set, characterized in that: The adjustable telescopic rod group (4) comprises: an inner tube (41) and an outer tube (42); one end of the inner tube (41) is slidably connected to the outer tube (42); a first locking hole (410) is provided on the inner tube (41); a plurality of second locking holes (420) corresponding to the first locking hole (410) are provided on the outer tube (42) along the movement direction of the inner tube (41); a first locking tongue (43) is provided in the inner tube (41) and can be inserted into the first locking hole (410) and the second locking hole (420) in sequence to relatively lock the inner tube (41) and the outer tube (42); and a locking member (43) is provided in the inner tube (41) for driving the first locking tongue (43) to remain inserted into the first locking hole (410) and the second locking hole (420). An elastic member (44) is disposed in the second lock hole (420); one end of the inner tube (41) is provided with an unlocking mechanism (45) for driving the first lock tongue (43) to move inwards and thereby driving the first lock tongue (43) to unlock; the unlocking mechanism (45) comprises: a toggle assembly (451) and a linkage member (452); the toggle assembly (451) is slidably connected to one end of the inner tube (41); one end of the linkage member (452) is connected to the first lock tongue (43); and the other end of the linkage member (452) is connected to the toggle assembly (451), so that: when the toggle assembly (451) is driven to move relative to the inner tube (41), the first lock tongue (43) can be driven to move inwards and thereby drive the first lock tongue (43) to unlock.

2. The adjustable telescopic rod assembly according to claim 1, characterized in that: A positioning block (411) is provided at one end of the inner tube (41), and the first locking tongue (43) is slidably connected to the positioning block (411). The first locking tongue (43) comprises a sliding portion (431) slidably connected to the positioning block (411) and a locking tongue portion (432) connected to the sliding portion (431).

3. The adjustable telescopic rod assembly according to claim 2, characterized in that: The linkage member (452) is a steel wire rope connected between the toggle assembly (451) and the first locking tongue (43), one end of the steel wire rope is connected to the sliding part (431), and the other end of the steel wire rope is connected to the toggle assembly (451).

4. The adjustable telescopic rod assembly according to claim 1, characterized in that: The toggle assembly (451) comprises: a sliding block (4511) slidably connected in the inner tube (41) and a toggle member (4512) for driving the sliding block (4511) to move; the toggle member (4512) comprises: a toggle portion (45121) located outside the inner tube (41) and a connecting portion (45122) connected to the sliding block (4511).

5. The adjustable telescopic rod assembly according to claim 2, characterized in that: One end of the positioning block (411) is provided with a limiting edge (4111), and one end of the outer tube (42) is provided with a limiting sleeve (421) that cooperates with the limiting edge (4111) to prevent the inner tube (41) from falling off the outer tube (42).

6. The adjustable telescopic rod assembly according to claim 5, characterized in that: The positioning block (411) is provided with a first barb (4112) for locking the positioning block (411) on the inner tube (41), and the inner tube (41) is provided with a first locking hole (4101) for use in conjunction with the first barb (4112); the limiting sleeve (421) is provided with a second barb (4211) for locking the limiting sleeve (421) on the outer tube (42), and the outer tube (42) is provided with a second locking hole (4201) for use in conjunction with the second barb (4211).

7. A baby walker, characterized in that: include: A tray frame (100), a chassis frame (200), and a support leg (300) for connecting the tray frame (100) and the chassis frame (200), wherein the tray frame (100) is connected to a seat pocket (400), and the support leg (300) comprises an adjustable telescopic rod group (4) for adjusting the length of the support leg (300) according to any one of claims 1 to 6.

8. A baby walker according to claim 7, characterized in that: The support leg (300) is rotatably connected to the pallet frame (100) and the chassis frame (200), and the support leg (300) comprises: an upper arm (1) and a lower arm (2), wherein the upper arm (1) and the lower arm (2) are rotatably connected to each other, and a locking device (3) is provided between the upper arm (1) and the lower arm (2) for locking the upper arm (1) and the lower arm (2) into one body when the upper arm (1) is unfolded relative to the lower arm (2), and the upper arm (1) and the lower arm (2) are locked by the locking device (3), and the adjustable telescopic rod group (4) is provided on the lower arm (2), and the height of the support leg (300) is changed by the adjustable telescopic rod group (4) of the lower arm (2).

9. A baby walker according to claim 8, characterized in that: The locking device (3) comprises: a second locking tongue (31), a reset member (32) and a driving member (33); the second locking tongue (31) is slidably connected to the upper arm (1); the lower arm (2) is provided with a third locking hole (301) into which the second locking tongue (31) can be inserted when the upper arm (1) is unfolded relative to the lower arm (2); the reset member (32) is arranged on the upper arm (1) to drive the second locking tongue (31) to remain inserted into the third locking hole (301); the driving member (33) is connected to the second locking tongue (31) to drive the second locking tongue (31) to move out of the third locking hole (301) to achieve unlocking.

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