Seat lifting adjusting mechanism and baby carriage

Abstract

The utility model discloses a seat lifting adjusting mechanism and a baby carriage, and relates to the field of baby carriages. According to the technical scheme, the device is characterized by comprising a fixed support, a movable support, a locking piece and an unlocking piece; the locking piece is used for locking the relative position of the movable support and the fixed support. The unlocking piece acts on the locking piece to conduct unlocking, and after unlocking, the movable support can be controlled to conduct lifting adjustment relative to the fixed support. A force application block is arranged on the movable bracket; the force application block is used as a fulcrum to assist in pressing the unlocking piece; in addition, external force acts on the force application block, and lifting adjustment of the movable support is achieved while unlocking is conducted. The push type unlocking piece is directly arranged in the movable support and matched with the force application block on the movable support, unlocking can be facilitated, lifting adjustment of the movable support is achieved while unlocking is conducted, and user experience is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of baby carriage, more specifically, it relates to a seat lifting adjusting mechanism and baby carriage. BACKGROUND

[0002] The existing authorized announcement number CN219192311U discloses a lifting adjusting mechanism of seat pocket and baby carriage, and the baby carriage comprises a seat pocket, and the two sides of the seat pocket are respectively provided with a lifting adjusting mechanism.

[0003] However, the unlocking button and the unlocking piece in the above-mentioned patent are connected through a cable, so the distance between the unlocking button and the unlocking piece is far. When lifting adjustment is carried out, if it is operated by one person, one hand needs to press the unlocking button, and the other hand needs to control the seat pocket to lift and adjust. Obviously, such operation mode is not convenient, and affects the user experience. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, one of the purposes of the utility model is to provide a seat lifting adjusting mechanism, which directly sets a pressing type unlocking piece in the movable support, cooperates with the force block on the movable support, can conveniently unlock, and realizes lifting adjustment of the movable support at the same time of unlocking, and optimizes the user experience.

[0005] To achieve the above-mentioned purposes, the utility model provides the following technical scheme:

[0006] A seat lifting adjusting mechanism comprises a fixed support, a movable support, a locking piece and an unlocking piece.

[0007] The locking piece is used for locking the relative position of the movable support and the fixed support; the unlocking piece acts on the locking piece to unlock, and can control the movable support to lift and adjust relative to the fixed support after unlocking, or separate the movable support;

[0008] The movable support is provided with a force block; the force block is used as a fulcrum to assist pressing the unlocking piece; and external force is applied to the force block to realize lifting adjustment or separation of the movable support at the same time of unlocking.

[0009] Further, the unlocking piece extends from the top end of the movable support; the force block is arranged on the outer side wall of the movable support and located below the extension end of the unlocking piece.

[0010] Further, the force block comprises an arc-shaped contact surface.

[0011] Further, the movable support comprises a movable cavity for fixing the support, and a pipe is arranged in the movable cavity; the unlocking member is arranged in the pipe, and a reset spring is arranged between the unlocking member and the pipe.

[0012] Further, a resilient hook is arranged on the side wall of the unlocking member, and a mounting hole is arranged in the side wall of the movable support and communicated with the pipe; the resilient hook is in contact with the side wall of the mounting hole to prevent the unlocking member from being separated from the movable support.

[0013] Further, a first partition plate is arranged in the pipe, and a second partition plate is arranged below the first partition plate; a reset spring mounting groove opposite to the mounting hole is arranged above the first partition plate; a locking member mounting groove opposite to the mounting hole is formed between the first partition plate and the second partition plate.

[0014] Further, two locking members are arranged in the locking member mounting groove, and a locking reset spring is arranged between the two locking members; a slot is arranged on the fixed support and matched with the pipe, and a plurality of locking grooves are arranged on the inner side wall of the slot; under the elastic force of the locking reset spring, the locking members have a tendency to protrude from the pipe and be embedded into the locking grooves.

[0015] Further, an inclined surface driving block protruding from the locking member mounting groove is arranged on the end surface of the locking member; an inclined surface driving groove in contact with the two inclined surface driving blocks is arranged on the lower end of the unlocking member; when the unlocking member is pressed, the inclined surface driving groove drives the two locking members to approach each other and be separated from the locking grooves.

[0016] Another purpose of the utility model is to provide a baby carriage, which comprises the seat lifting and adjusting mechanism.

[0017] Further, the baby carriage further comprises a seat and a frame, and the seat lifting and adjusting mechanism is arranged between the seat and the frame.

[0018] In conclusion, the utility model has the following beneficial effects:

[0019] 1. The pressing type unlocking member is directly arranged in the movable support, and cooperates with the force block on the movable support, so that the unlocking is facilitated, the lifting and adjusting or separation of the movable support is realized at the same time of unlocking, and the user experience is optimized.

[0020] 2. The movable support and the fixed support are arranged in the form of mutual insertion, which plays a protection role, avoids sundries from entering the slot, prolongs the service life and smoothness, and optimizes the user experience.

[0021] 3、Firstly, the unlocking reset spring, the locking member and the locking reset spring are installed through the installation hole, then the unlocking member is embedded into the insertion pipe, so that the assembly is realized, the operation is convenient, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Structure diagram of the seat lifting adjusting mechanism in Example 1 Figure 1 ;

[0023] Figure 2 Structure diagram of the fixed support in Example 1

[0024] Figure 3 Structure diagram of the movable support, the locking member and the unlocking member in Example 1 Figure 1 ;

[0025] Figure 4 Structure diagram of the unlocking member and the locking member in Example 1

[0026] Figure 5 Structure diagram of the seat lifting adjusting mechanism in Example 1 Figure 2 ;

[0027] Figure 6 Structure diagram of the seat lifting adjusting mechanism in Example 1 Figure 3 ;

[0028] Figure 7 Structure diagram of the seat lifting adjusting mechanism in Example 1 Figure 4 ;

[0029] Figure 8 Structure diagram of the child bicycle in Example 2.

[0030] In the drawing: 1, fixed support; 11, insertion slot; 12, locking slot; 2, movable support; 21, force block; 211, arc-shaped contact surface; 22, movable cavity; 23, insertion pipe; 24, installation hole; 25, first partition plate; 26, second partition plate; 27, unlocking reset spring installation slot; 28, locking member installation slot; 3, locking member; 31, inclined surface driving block; 4, unlocking member; 41, elastic clamping hook; 42, inclined surface driving slot; 5, locking reset spring; 6, unlocking reset spring; 7, seat; 8, bicycle frame. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with the drawings.

[0032] The specific embodiment is only the explanation of the utility model, and is not the limitation of the utility model, and the person skilled in the art can make the modification without the creative contribution according to the need after reading the present specification, but as long as in the utility model's right claim range all receive the patent law's protection. Embodiment 1

[0033] A seat lifting adjusting mechanism, referring to Figures 1 to 7 which comprises a fixed support 1, a movable support 2, a locking piece 3, an unlocking piece 4, a locking reset spring 5 and an unlocking reset spring 6; the movable support 2 is in a plug-in fit with the fixed support 1, and the movable support 2 can move in a straight line direction relative to the fixed support 1, so as to realize lifting adjustment; the locking piece 3 is used to lock the relative position of the movable support 2 and the fixed support 1, so that the adjusted height remains unchanged; the unlocking piece 4 acts on the locking piece 3 to unlock, and after unlocking, the movable support 2 can be controlled to be lifted and adjusted relative to the fixed support 1, or the movable support 2 and the fixed support 1 are separated; the movable support 2 is provided with a force applying block 21; the force applying block 21 is used as a fulcrum to assist pressing the unlocking piece 4; and an external force is applied to the force applying block 21 to realize lifting adjustment or separation of the movable support 2 at the same time of unlocking.

[0034] Referring to Figures 1 to 7 , when unlocking, the index finger hooks the force applying block 21, and the force applying block 21 is used as a fulcrum, then the thumb can conveniently press the unlocking piece 4 to realize unlocking; then, the force of the index finger acts on the force applying block 21, which can drive the movable support 2 to be lifted and adjusted in the unlocked state, or separate the movable support 2 from the fixed support 1; therefore, the unlocking piece 4 of the pressing type is directly arranged in the movable support 2, and cooperates with the force applying block 21 on the movable support 2, which can conveniently unlock, realize lifting adjustment or separation of the movable support 2 at the same time of unlocking, and optimize user experience.

[0035] Referring to Figures 1 to 7 , preferably, the unlocking piece 4 protrudes from the top end of the movable support 2; the force applying block 21 is arranged on the outer side wall of the movable support 2 and is located below the protruding end of the unlocking piece 4; that is, the protruding end of the unlocking piece 4 and the force applying block 21 are vertically staggered and horizontally staggered; the arrangement of the unlocking piece 4 and the force applying block 21 conforms to the thumb and the index finger, conforms to ergonomics, and optimizes user experience; preferably, the force applying block 21 comprises an arc-shaped contact surface 211; the index finger contacts the arc-shaped contact surface 211, which avoids the index finger receiving a reaction force at a point position when applying force, and optimizes user experience; in other optional embodiments, the force applying block 21 can also adopt other shapes, such as a cylindrical shape, which is not limited here.

[0036] Referring to Figures 1 to 7Preferably, the movable support 2 comprises a movable cavity 22 for embedding the fixed support 1, a pipe 23 is arranged in the movable cavity 22; the unlocking member 4 and the locking member 3 are arranged in the pipe 23 respectively; the side wall of the fixed support 1 is provided with a top-opened slot 11; then, the movable support 2 is sleeved on the fixed support 1, and the pipe 23 is embedded into the slot 11; the movable support 2 and the fixed support 1 are arranged in a mutual insertion mode, which plays a protection role, can avoid sundries from entering the slot 11, prolongs the service life and smoothness, and optimizes the user experience.

[0037] With reference to Figures 1 to 7 The top end of the pipe 23 is provided with an opening penetrating the movable support 2, the unlocking member 4 is embedded into the pipe 23 through the opening, and the unlocking member 4 can move in the pipe 23; a unlocking reset spring 6 is arranged between the unlocking member 4 and the pipe 23, the unlocking reset spring 6 is compressed when the unlocking member 4 is pressed downward, the opening is released, and the unlocking member 4 moves upward and resets under the elastic force of the unlocking reset spring 6; the side wall of the unlocking member 4 is provided with an elastic hook 41, and the side wall of the movable support 2 is provided with a mounting hole 24 communicated with the pipe 23; the elastic hook 41 contacts the side wall of the mounting hole 24, preventing the unlocking member 4 from being separated from the movable support 2; that is, the unlocking member 4 is embedded into the pipe 23 until the reset elastic hook 41 is reset, the elastic hook 41 contacts the side wall of the mounting hole 24 under the elastic force of the unlocking reset spring 6, playing a limiting role and preventing the unlocking member 4 from being separated; the arrangement of the elastic hook 41 not only plays a limiting role and prevents the unlocking member 4 from being separated, but also facilitates the assembly of the lifting adjustment structure.

[0038] With reference to Figures 1 to 7 The pipe 23 is provided with a first partition plate 25 and a second partition plate 26 below the first partition plate 25; the upper portion of the first partition plate 25 is provided with an unlocking reset spring mounting groove 27 opposite to the mounting hole 24; the unlocking reset spring 6 is first embedded into the unlocking reset spring mounting groove 27 through the mounting hole 24, and then the unlocking member 4 is embedded into the pipe 23, which facilitates the assembly of the lifting adjustment structure; after the unlocking member 4 is installed, one end of the unlocking reset spring 6 contacts the first partition plate 25, and the other end contacts the boss of the side wall of the unlocking member 4.

[0039] With reference to Figures 1 to 7, the first partition 25 and the second partition 26 form a locking piece mounting groove 28 opposite to the mounting hole 24; two locking pieces 3 are arranged in the locking piece mounting groove 28, and a locking reset spring 5 is arranged between the two locking pieces 3; when locked, the two locking pieces 3 are away from each other, and when unlocked, the two locking pieces 3 are close to each other; the locking reset spring 5 makes the two locking pieces 3 have a tendency to move away from each other, thereby facilitating locking; through the mounting hole 24 of the side wall of the movable support 2, the two locking pieces 3 and the locking reset spring 5 can be easily embedded into the locking piece mounting groove 28, thereby facilitating the assembly of the lifting adjustment structure.

[0040] With reference to Figures 1 to 7 , the inner side wall of the slot 11 is provided with a plurality of locking grooves 12 arranged at intervals along the length direction of the slot 11, thereby realizing lifting adjustment of multiple heights; under the elastic force of the locking reset spring 5, the locking piece 3 has a tendency to protrude from the insertion tube 23 and be embedded into the locking groove 12; in this embodiment, a pair of locking pieces 3 and three groups of locking grooves 12 are arranged, thereby realizing lifting adjustment of three heights; in other optional embodiments, only one locking piece can be arranged, and the number of locking grooves can also be adjusted as needed, which is not limited here.

[0041] With reference to Figures 1 to 7 , preferably, the end face of the locking piece 3 is provided with a beveled driving block 31 protruding from the locking piece mounting groove 28; the lower end of the unlocking piece 4 is provided with a beveled driving groove 42 in contact with the two beveled driving blocks 31 at the same time; pressing the unlocking piece 4, the beveled driving groove 42 drives the two locking pieces 3 to move close to each other and away from the locking groove 12, thereby realizing unlocking; the lower end of the beveled driving groove 42 is open and includes two beveled inner side walls; the protruding beveled driving block 31 and the beveled driving groove 42 can facilitate assembly; that is, first install the unlocking reset spring 6, the locking piece 3 and the locking reset spring 5, and then embed the unlocking piece 4 into the insertion tube 23, thereby realizing assembly, facilitating operation and improving production efficiency. Embodiment 2:

[0042] A baby carriage, with reference to Figures 1 to 8The stroller comprises a seat 7 and a frame 8, and two seat lifting adjusting mechanisms in embodiment 1 are arranged between the seat 7 and the frame 8; wherein the seat 7 is connected with the movable support 2, the fixed support 1 is connected with the frame 8; the two seat lifting adjusting mechanisms are symmetrically arranged, so that the two force blocks 21 are located on the outer sides; when lifting adjustment is performed, the index fingers of two hands are respectively hooked on the two force blocks 21, and then the two thumbs are respectively pressed on the two unlocking pieces 4; the force block 21 serves as a fulcrum, so that the unlocking piece 4 can be conveniently and labor-savingly pressed by the thumb to realize unlocking; the two thumbs press the unlocking piece 4 to realize unlocking, and then the two index fingers are in contact with the two force blocks 21, so that the seat 7 can be conveniently and labor-savingly lifted and adjusted, the operation is convenient and labor-saving, and the user experience is optimized.

Claims

1. A seat height adjustment mechanism characterized by: The locking piece is used for locking the relative position of the fixed support and the movable support. The unlocking piece acts on the locking piece to perform unlocking, and after unlocking, the movable support can be controlled to be adjusted in height relative to the fixed support or separated from the fixed support. The movable support is provided with a force applying block. The force applying block is used as a fulcrum to assist in pressing the unlocking piece, and external force is applied to the force applying block to realize the height adjustment or separation of the movable support after unlocking. The unlocking piece extends from the top end of the movable support, and the force applying block is arranged on the outer side wall of the movable support and below the extension end of the unlocking piece.

2. The seat lift adjustment mechanism of claim 1, wherein: The force applying block comprises an arc-shaped contact surface.

3. The seat lift adjustment mechanism of claim 2, wherein: The movable support comprises a movable cavity for embedding the fixed support, and the movable cavity is provided with a plug tube.

4. The seat lift adjustment mechanism of claim 1, wherein: The unlocking piece is arranged in the plug tube, and a unlocking reset spring is arranged between the unlocking piece and the plug tube.

5. The seat height adjustment mechanism of claim 4, wherein: The side wall of the unlocking piece is provided with an elastic hook, and the side wall of the movable support is provided with a mounting hole in communication with the plug tube.

6. The seat height adjustment mechanism of claim 5, wherein: The elastic hook is in contact with the side wall of the mounting hole to prevent the unlocking piece from being separated from the movable support.

7. The seat lift adjustment mechanism of claim 6, wherein: The plug tube is provided with a first partition plate and a second partition plate below the first partition plate.

8. The seat lift adjustment mechanism of claim 7, wherein: The upper portion of the first partition plate is provided with a unlocking reset spring mounting groove opposite to the mounting hole.

9. A stroller characterized by: The first partition plate and the second partition plate form a locking piece mounting groove opposite to the mounting hole.

10. The stroller of claim 9, wherein: The locking piece mounting groove is provided with two locking pieces, and a locking reset spring is arranged between the two locking pieces. The fixed support is provided with a plug groove matched with the plug tube, and the inner side wall of the plug groove is provided with a plurality of locking grooves arranged at intervals. Under the elastic force of the locking reset spring, the locking piece has a tendency to extend from the plug tube and be embedded into the locking groove. The end surface of the locking piece is provided with a inclined surface driving block protruding from the locking piece mounting groove. The lower end of the unlocking piece is provided with an inclined surface driving groove in contact with the two inclined surface driving blocks. Pressing the unlocking piece drives the two locking pieces to approach each other and be separated from the locking groove. The child stroller further comprises a seat and a frame, and the seat and the frame are provided with two symmetrically arranged seat height adjustment mechanisms. The child stroller further comprises a seat and a frame, and the seat and the frame are provided with two symmetrically arranged seat height adjustment mechanisms.

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