Height-adjustable seat

Abstract

The utility model discloses a height-adjustable seat, which is characterized in that a seat height unlocking mechanism is arranged on a lifting handle part, so that a user can correspondingly act on the seat height unlocking mechanism while holding the lifting handle part by hands, and a first linkage component and a second linkage component are matched to link the unlocking action of a seat height adjusting mechanism; and then the seat body is pulled up by a single hand, after the seat body is adjusted to the preset height, the seat height unlocking mechanism is loosened, height adjustment and locking can be completed, and the seat has the advantages of being convenient and fast to operate and convenient to use.

Description

[Technical field]

[0001] The utility model relates to the field of infant and child products, in particular to a height-adjustable seat. [Background technology]

[0002] Baby strollers are essential products for parents to carry their babies when going out. In order to improve the comfort of babies, some baby stroller seats are currently equipped with height adjustment mechanisms, so that users can adjust the height according to different needs, so that the baby or child can be more comfortable. Usually, the height adjustment mechanism of the seat is set on both sides of the seat, and both sides have corresponding adjustment switches. When the user adjusts the seat height, he needs to use both hands to release the two adjustment switches at the same time. When the seat is adjusted to a predetermined height, the adjustment switch is released to lock the seat relative to the frame. This structure is inconvenient to operate because it requires both hands to operate.

[0003] For this reason, the present invention is studied and proposed in view of the above-mentioned problems. [Contents of the utility model]

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a seat with adjustable height. The seat height release mechanism is arranged on the handle portion, and the user can control the seat height release mechanism with one hand to adjust the height of the seat relative to the child frame in a linkage manner, which has the characteristic of convenient operation.

[0005] In order to solve the above problems, the utility model provides a seat with adjustable height, including a seat body 1, both sides of the seat body 1 are provided with seat adapters 11 for detachably connecting to a seat fixing seat 100 on a child frame, a seat height adjustment mechanism 2 is provided between the seat adapter 11 and the seat fixing seat 100 for adjusting the height of the seat body 1 by lifting and lowering the seat adapter 11 relative to the seat fixing seat 100, and the seat height adjustment mechanism 2 includes a height adjustment locking member 22; the seat body 1 is provided with a handle portion 12, and the handle portion 12 is provided with a seat height release mechanism 5 and a first linkage component 4 having a first drive portion 40, the seat body 1 and / or the seat adapter 11 are provided with a second linkage component 3 having a second drive portion 30 for linkage with the first drive portion 40, and the seat height release mechanism 5 is linked to the unlocking action of the height adjustment locking member 22 through the first linkage component 4 and the second linkage component 3.

[0006] In the above-mentioned height-adjustable seat, the moving direction of the second linkage assembly 3 is parallel to the axial direction of the seat adapter 11 , and the moving direction of the height-adjusting locking member 22 is parallel to the radial direction of the seat adapter 11 .

[0007] In the height-adjustable seat as described above, the seat height unlocking mechanism 5 is used to synchronously unlock the two seat height adjustment mechanisms 2 located on the left and right sides of the seat body 1 through the corresponding first linkage assembly 4 and the second linkage assembly 3 .

[0008] In the height-adjustable chair as described above, the handle portion 12 is detachably connected to the seat body 1. When the handle portion 12 is separated from the seat body 1, the first drive portion 40 is separated from the second drive portion 30; when the handle portion 12 is connected to the seat body 1, the first drive portion 40 can abut against the second drive portion 30.

[0009] As described above, in a height-adjustable chair, the first linkage assembly 4 includes a first linkage cross bar 41 having an operating end and a pushing end, the middle portion of the first linkage cross bar 41 is rotatably connected to the handle portion 12, the operating end of the first linkage cross bar 41 is used to cooperate with the seat height release mechanism 5, and a cross bar reset elastic member 411 is provided between the first linkage cross bar 41 and the handle portion 12 for rotating and resetting the first linkage cross bar 41; the first driving portion 40 is formed by the pushing end of the first linkage cross bar 41.

[0010] In the height-adjustable chair as described above, the end of the handle portion 12 is rotatably connected to a handle adapter 121 for detachable connection with the seat body 1; the first linkage assembly 4 also includes a first linkage push block 42 slidably arranged on the handle adapter 121, the upper end of the first linkage push block 42 is linked to the top push end of the first linkage cross rod 41, and the first driving portion 40 is formed by the lower end of the first linkage push rod.

[0011] In a height-adjustable chair as described above, the second linkage assembly 3 includes a second linkage slide rod 31 slidably arranged on the seat adapter 11, the lower end of the second linkage slide rod 31 is linked with the height adjustment locking member 22, a slide rod reset elastic member 311 for sliding and resetting the second linkage slide rod 31 is provided between the second linkage slide rod 31 and the seat adapter 11, and the second driving part 30 is formed by the upper end of the second linkage slide rod 31.

[0012] In a height-adjustable chair as described above, the upper end of the seat adapter 11 is rotatably connected to the seat body 1; the second linkage assembly 3 also includes a second linkage link 32 which is slidably arranged on the seat body 1 and is located above the second linkage slide rod 31, the lower end of the second linkage link 32 is linked to the upper end of the second linkage slide rod 31, and the second driving part 30 is formed by the upper end of the second linkage link 32.

[0013] In the height-adjustable seat as described above, the seat height release mechanism 5 includes a seat height release button 51 movably provided on the handle portion 12 and cooperating with the operating end of the first linkage cross bar 41, and a safety locking mechanism 52 for locking the seat height release button 51 relative to the handle portion 12 is provided between the seat height release button 51 and the handle portion 12.

[0014] As described above, a height-adjustable seat, the seat height adjustment mechanism 2 also includes a plurality of height adjustment lock holes 21 arranged on the side wall of the seat fixing base 100 and spaced apart along the upper and lower directions of the seat fixing base 100, the height adjustment locking member 22 is slidably arranged on the seat adapter 11 and can be inserted into the corresponding height adjustment lock hole 21, and a locking member reset elastic member 23 is provided between the height adjustment locking member 22 and the seat adapter 11 for keeping the height adjustment locking member 22 elastically inserted into the height adjustment lock hole 21.

[0015] In the above-mentioned height-adjustable seat, the height-adjusting lock hole 21 is disposed on the front side wall and / or the rear side wall of the seat fixing base 100 , and the height-adjusting lock hole 21 is oriented parallel to the pushing direction of the child stroller frame.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. The utility model arranges the seat height release mechanism on the handle portion, so that the user can correspondingly actuate the seat height release mechanism while grasping the handle portion, so that the first linkage assembly and the second linkage assembly cooperate to unlock the seat height adjustment mechanism, and then the seat body is pulled up with one hand. After the seat body is adjusted to a predetermined height, the seat height release mechanism is released to complete the height adjustment and locking, which has the characteristics of convenient operation and easy use.

[0018] 2. The seat height release mechanism of the present invention synchronously releases the two seat height adjustment mechanisms located on the left and right sides of the seat body through the corresponding first linkage assembly and the second linkage assembly. Therefore, the user only needs one operation to link multiple seat height adjustment mechanisms for synchronous release, which makes unlocking convenient and simplifies the unlocking mechanism.

[0019] 3. The seat height release mechanism in the utility model is linked to the unlocking action of the seat height adjustment mechanism through the first linkage cross bar and the second linkage slide bar. The use of rod linkage unlocking is conducive to the stable and reliable linkage of the seat height release mechanism with the seat height adjustment mechanism, ensuring smooth unlocking action.

[0020] 4. The utility model adopts a linkage matching structure of the first linkage component and the second linkage component, so that the handle part with the seat height release mechanism can be detachably connected to the seat body. Therefore, it is convenient for the user to remove either end of the handle part from the seat body and flip it around the other end to the other side of the seat body. At this time, the user will not be interfered by the handle part when picking up the baby in the seat body, which is convenient to use.

[0021] 5. The height adjustment lock hole in the utility model is arranged parallel to the pushing direction of the child stroller frame. When the child stroller frame is pushed, the inertial force applied to the seat body is also consistent with the pushing direction of the child stroller frame. This design can prevent the seat body from exerting a lateral force perpendicular to the pushing direction on the height adjustment locking member and the height adjustment lock hole during the pushing process of the child stroller frame, thereby preventing the height adjustment locking member and the height adjustment lock hole from contact fatigue and failure, thereby extending the service life of the two, and having the characteristics of reliable and stable use.

Brief Description of the Drawings

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0023] Figure 1 It is one of the three-dimensional diagrams of the present utility model.

[0024] Figure 2 This is the second stereogram of the present utility model.

[0025] Figure 3 It is a cross-sectional view of the utility model.

[0026] Figure 4 It is a partial cross-sectional view of the utility model.

[0027] Figure 5 This is one of the exploded views of the present utility model.

[0028] Figure 6 This is the second exploded view of the utility model. [Specific implementation method]

[0029] The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

[0030] like Figure 1-6As shown, the utility model is a height-adjustable seat, comprising a seat body 1, both sides of the seat body 1 are provided with seat adapters 11 for detachably connecting to a seat fixing seat 100 on a child stroller frame, a seat height adjustment mechanism 2 is provided between the seat adapter 11 and the seat fixing seat 100 for adjusting the height of the seat body 1 by lifting and lowering the seat adapter 11 relative to the seat fixing seat 100, and the seat height adjustment mechanism 2 includes a height adjustment locking member 22; the seat body 1 is provided with a handle portion 12, and the handle portion 12 is provided with a seat height release mechanism 5 and a first linkage component 4 having a first drive portion 40, the seat body 1 and / or the seat adapter 11 are provided with a second linkage component 3 having a second drive portion 30 for linkage with the first drive portion 40, and the seat height release mechanism 5 is linked to the unlocking action of the height adjustment locking member 22 through the first linkage component 4 and the second linkage component 3. When adjusting the seat, the user only needs to grasp the handle 12 with one hand to operate the seat height release mechanism 5 to move relative to the handle, and the seat height release mechanism 5 then acts on the first linkage component to move accordingly, so that the first drive unit cooperates with the second drive unit to drive the second linkage component to move accordingly, and then the second linkage component links the height adjustment locking member 22 to move accordingly to release the locking state of the seat adapter 11 relative to the seat fixing seat 100. At this moment, the user can use the handle to operate the seat adapter 11 to rise or fall relative to the seat fixing seat 100, and loosening the seat height release mechanism 5 will lock the seat adapter 11 relative to the seat fixing seat 100, thereby achieving adjustment of the height of the seat body 1. Therefore, the present invention has the characteristics of stable structure and convenient operation.

[0031] like Figure 4 As shown, in order to make the structure of the utility model more compact, the movable direction of the second linkage assembly 3 is parallel to the axial direction of the seat adapter 11, and the movable direction of the height adjustment locking member 22 is parallel to the radial direction of the seat adapter 11. In this embodiment, the movable direction of the second linkage assembly 3 is up and down movement, while the movable direction of the height adjustment locking member 22 is left and right movement.

[0032] like Figure 3 , 5 As shown, the seat height unlocking mechanism 5 is used to synchronously unlock the two seat height adjustment mechanisms 2 located on the left and right sides of the seat body 1 through the corresponding first linkage component 4 and the second linkage component 3. The user only needs one operation to link multiple seat height adjustment mechanisms for synchronous unlocking, which makes unlocking convenient and simplifies the unlocking mechanism.

[0033] like Figure 1-3As shown, for ease of use, the handle portion 12 is detachably connected to the seat body 1. When the handle portion 12 is separated from the seat body 1, the first drive portion 40 is separated from the second drive portion 30; when the handle portion 12 is connected to the seat body 1, the first drive portion 40 can abut against the second drive portion 30.

[0034] like Figure 3-6 As shown, in order to better link the unlocking action of the height adjustment locking member 22, the first linkage assembly 4 includes a first linkage cross bar 41 having an operating end and a pushing end. The middle portion of the first linkage cross bar 41 is rotatably connected to the handle portion 12. The operating end of the first linkage cross bar 41 is used to link with the seat height release mechanism 5. A cross bar reset elastic member 411 is provided between the first linkage cross bar 41 and the handle portion 12 for rotating and resetting the first linkage cross bar 41. The first driving portion 40 is formed by the pushing end of the first linkage cross bar 41.

[0035] like Figure 1 , 2 As shown in FIGS. 3 and 5, in order to facilitate the flipping of the handle and facilitate linkage, the end of the handle 12 is rotatably connected to a handle adapter 121 for detachably connecting to the seat body 1, as shown in FIGS. Figure 5 As shown, the handle portion 12 is detachably connected to the seat body 1 through a handle adapter 121, and a clamping hole is provided on the side of the handle adapter 121. Correspondingly, an elastic clamping member, such as a spring bean, is provided on the seat body 1 for detachably clamping with the clamping hole; the first linkage assembly 4 also includes a first linkage push block 42 slidably arranged on the handle adapter 121, and the upper end of the first linkage push block 42 is linked with the top pushing end of the first linkage cross bar 41, and the first driving part 40 is formed by the lower end of the first linkage push rod. In order to avoid interference between the upper end of the first linkage push block 42 and the top pushing end of the first linkage cross bar 41 to affect the unlocking effect, the upper end of the first linkage push block 42 and the top pushing end of the first linkage cross bar 41 have mutually matched unlocking top pushing arc surfaces 421. Because the present invention adopts a rod linkage structure, the handle portion 12 is detachably connected to the seat body 1, so that the user can easily pick up the baby on the seat body without being interfered by the handle portion 12; during specific operation, the user can first press the elastic clip on the corresponding side of the seat body 1 to make it withdraw from the clip hole, and then flip the handle portion 12 at that end around the other end to the other side of the seat body 1. Finally, when the user picks up the baby in the seat body 1, the handle portion 12 will not interfere, which is convenient to use.

[0036] like Figure 3 , 4As shown in Figures 6, in order to ensure the linkage stability, the second linkage assembly 3 includes a second linkage slide bar 31 which is slidably arranged on the seat adapter 11, the lower end of the second linkage slide bar 31 is linked with the height adjustment locking member 22, and a slide bar reset elastic member 311 for sliding and resetting the second linkage slide bar 31 is provided between the second linkage slide bar 31 and the seat adapter 11, and the second driving part 30 is formed by the upper end of the second linkage slide bar 31.

[0037] like Figure 4 , 6 As shown, in order to better link the unlocking action of the height adjustment locking member 22, the lower end of the second linkage slide bar 31 and the height adjustment locking member 22 are both provided with mutually cooperating linkage unlocking inclined portions 312.

[0038] like Figure 3 , 4 As shown in Figures 6 and 7, the upper end of the seat adapter 11 is rotatably connected to the seat body 1; the second linkage assembly 3 also includes a second linkage link 32 slidably disposed on the seat body 1 and located above the second linkage slide bar 31, the lower end of the second linkage link 32 is linked with the upper end of the second linkage slide bar 31, and the second driving part 30 is formed by the upper end of the second linkage link 32. In order to facilitate the second linkage link 32 to rotate with the seat body 1, the lower end of the second linkage link 32 and the upper end of the second linkage slide bar 31 are provided with an avoidance arc surface 321.

[0039] like Figure 1 , 2 As shown in , 4 and 5 , for the convenience of unlocking, the seat height release mechanism 5 includes a seat height release button 51 which is movably provided on the handle portion 12 and is linked with the operating end of the first linkage cross bar 41 .

[0040] like Figure 3 , 5 As shown, in order to avoid operating errors and improve the safety of use, a safety locking mechanism 52 is provided between the seat height release button 51 and the handle portion 12 for locking the seat height release button 51 relative to the handle portion 12. The safety locking mechanism 52 includes a safety locking slider 521 slidably provided on the seat height release button 51 and used to block and cooperate with the handle portion 12, and a slider reset member 522 is provided between the safety locking slider 521 and the seat height release button 51 for resetting the safety locking slider 521. Before adjusting the height of the seat body 1, the safety locking slider 521 must first be released from the restriction of the seat height release button 51, which plays the role of a second lock.

[0041] like Figure 1-4As shown in Figures 6, for better adjustment convenience and reliable locking, the seat height adjustment mechanism 2 also includes a plurality of height adjustment lock holes 21 arranged on the side wall of the seat fixing base 100 and spaced apart along the upper and lower directions of the seat fixing base 100. The height adjustment locking member 22 is slidably arranged on the seat adapter 11 and can be inserted into the corresponding height adjustment lock hole 21. A locking member reset elastic member 23 is provided between the height adjustment locking member 22 and the seat adapter 11 for keeping the height adjustment locking member 22 elastically inserted into the height adjustment lock hole 21.

[0042] like Figure 1 , 2 As shown, for the convenience of assembly and smooth adjustment, the seat fixing seat 100 is provided with a guide slot 110 for inserting the seat adapter 11. The guide slot 110 guides and limits the movement path of the seat adapter 11, ensuring that the seat adapter 11 rises or falls smoothly. The height adjustment lock hole 21 is provided on the front side wall and / or the rear side wall of the seat fixing seat 100, and the height adjustment lock hole 21 is parallel to the pushing direction of the child frame. In this embodiment, by setting the height adjustment lock hole 21 in a direction parallel to the pushing direction of the child frame, the inertial force on the seat body 1 is also consistent with the pushing direction of the child frame during pushing, which can prevent the seat body 1 from generating a lateral force perpendicular to the pushing direction on the height adjustment lock 22 and the height adjustment lock hole 21 during the pushing process of the child frame, thereby preventing the height adjustment lock 22 and the height adjustment lock hole 21 from contact fatigue and failure, thereby extending the service life of the two, and having the characteristics of reliable and stable use.

[0043] Seat height adjustment principle:

[0044] The user first presses the safety lock slider 521 to retract the safety lock slider 521 into the seat height release button 51, and then presses the seat height release button 51 to relatively retract into the button accommodating slot of the handle portion 12. During the movement of the seat height release button 51, the seat height release button 51 presses the operating end of the first linkage cross bar 41 to make the operating end of the first linkage cross bar 41 rotate upward around the rotation axis between the first linkage cross bar 41 and the handle portion 12, and at the same time makes the pushing end of the first linkage cross bar 41 rotate downward around the rotation axis between the first linkage cross bar 41 and the handle portion 12 to push the first linkage push block 42 to move downward, so that the first drive The movable part 40 pushes the second driving part 30 to make the second linkage connecting rod 32 and the second linkage sliding rod 31 slide downward relative to the seat adapter 11, so that the linkage unlocking inclined portion 312 of the second linkage sliding rod 31 and the height adjustment locking piece 22 cooperate with each other to drive the height adjustment locking piece 22 to exit the height adjustment lock hole 21. At this moment, the user can increase the height of the seat body. When the seat body 1 is adjusted to the desired height, the user cancels the external force on the seat height release button 51, and the locking piece reset elastic piece 23 drives the height adjustment locking piece 22 to automatically insert into the corresponding height adjustment lock hole 21, thereby finally adjusting and locking the seat body 1 to the desired height.

Claims

1. A height-adjustable seat, characterized in that The invention comprises a seat body (1), wherein both sides of the seat body (1) are provided with seat adapters (11) for detachably connecting to a seat fixing seat (100) on a child vehicle frame, and a seat height adjustment mechanism (2) is provided between the seat adapter (11) and the seat fixing seat (100) for adjusting the height of the seat body (1) by lifting and lowering the seat adapter (11) relative to the seat fixing seat (100), wherein the seat height adjustment mechanism (2) comprises a height adjustment locking member (22); the seat body (1) A handle portion (12) is provided on the handle portion (12), and a seat height release mechanism (5) and a first linkage component (4) having a first drive portion (40) are provided on the handle portion (12); a second linkage component (3) having a second drive portion (30) for linkage with the first drive portion (40) is provided on the seat body (1) and / or the seat adapter (11); the seat height release mechanism (5) is linked to the unlocking action of the height adjustment locking member (22) through the first linkage component (4) and the second linkage component (3).

2. A height-adjustable chair according to claim 1, characterized in that The moving direction of the second linkage assembly (3) is parallel to the axial direction of the seat adapter (11), and the moving direction of the height adjustment locking member (22) is parallel to the radial direction of the seat adapter (11).

3. A height-adjustable chair according to claim 1, characterized in that The seat height unlocking mechanism (5) is used to synchronously unlock two seat height adjustment mechanisms (2) located on the left and right sides of the seat body (1) through a corresponding first linkage assembly (4) and a second linkage assembly (3).

4. A height-adjustable chair according to claim 1, characterized in that The handle portion (12) is detachably connected to the seat body (1); when the handle portion (12) is separated from the seat body (1), the first drive portion (40) is separated from the second drive portion (30); when the handle portion (12) is connected to the seat body (1), the first drive portion (40) can abut against the second drive portion (30).

5. A height-adjustable chair according to any one of claims 1 to 4, characterized in that The first linkage assembly (4) comprises a first linkage cross bar (41) having an operating end and a pushing end, the middle portion of the first linkage cross bar (41) is rotatably connected to the handle portion (12), the operating end of the first linkage cross bar (41) is used to cooperate with the seat height release mechanism (5), and a cross bar reset elastic member (411) is provided between the first linkage cross bar (41) and the handle portion (12) for rotating and resetting the first linkage cross bar (41); the first driving portion (40) is formed by the pushing end of the first linkage cross bar (41).

6. A height-adjustable chair according to claim 5, characterized in that The end of the handle portion (12) is rotatably connected to a handle adapter (121) for detachably connecting to the seat body (1); the first linkage assembly (4) also includes a first linkage push block (42) slidably arranged on the handle adapter (121), the upper end of the first linkage push block (42) is linked to the top push end of the first linkage cross rod (41), and the first driving portion (40) is formed by the lower end of the first linkage push rod.

7. A height-adjustable chair according to claim 5, characterized in that The second linkage assembly (3) comprises a second linkage slide bar (31) which is slidably arranged on the seat adapter (11) up and down, the lower end of the second linkage slide bar (31) is linked with the height adjustment locking member (22), a slide bar reset elastic member (311) for sliding and resetting the second linkage slide bar (31) is arranged between the second linkage slide bar (31) and the seat adapter (11), and the second driving part (30) is formed by the upper end of the second linkage slide bar (31).

8. A height-adjustable chair according to claim 7, characterized in that The upper end of the seat adapter (11) is rotatably connected to the seat body (1); the second linkage assembly (3) also includes a second linkage link (32) which is slidably arranged on the seat body (1) and is located above the second linkage slide bar (31); the lower end of the second linkage link (32) is linked to the upper end of the second linkage slide bar (31); and the second driving part (30) is formed by the upper end of the second linkage link (32).

9. A height-adjustable chair according to claim 5, characterized in that The seat height release mechanism (5) comprises a seat height release button (51) movably arranged on the handle portion (12) and linked with the operating end of the first linkage cross bar (41), and a safety locking mechanism (52) for locking the seat height release button (51) relative to the handle portion (12) is arranged between the seat height release button (51) and the handle portion (12).

10. A height-adjustable chair according to claim 1, characterized in that The seat height adjustment mechanism (2) further comprises a plurality of height adjustment lock holes (21) arranged on the side wall of the seat fixing seat (100) and spaced apart in the up-down direction of the seat fixing seat (100); the height adjustment locking member (22) is slidably arranged on the seat adapter (11) and can be inserted into the corresponding height adjustment lock hole (21); and a locking member reset elastic member (23) is arranged between the height adjustment locking member (22) and the seat adapter (11) for keeping the height adjustment locking member (22) elastically inserted into the height adjustment lock hole (21).

11. A height-adjustable chair according to claim 10, characterized in that The height adjustment lock hole (21) is arranged on the front side wall and / or the rear side wall of the seat fixing seat (100), and the height adjustment lock hole (21) is oriented parallel to the pushing direction of the child bicycle frame.

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