TW202128482A - Stroller and seat height adjusting mechanism thereof - Google Patents

Abstract

The present invention discloses a seat height adjusting mechanism disposed on a stroller frame of a stroller. The seat height adjusting mechanism includes a holding base. The holding base is assembled with a seat and is slidable upward and downward along the stroller frame for adjusting a height of the seat mounted on the holding base relative to the stroller frame. The seat height adjusting mechanism of the present invention can utilize upward and downward sliding of the holding base relative to the stroller frame to adjust the height of the seat mounted on the holding base relative to the stroller frame for infants with different heights. In addition, the present invention further discloses a stroller including the seat height adjusting mechanism.

Description

Baby stroller and its seat height adjusting mechanism

The present invention relates to the field of baby products, in particular to a baby stroller and its seat height adjustment mechanism.

With the continuous development of economy and the continuous progress of science and technology, it provides people with extremely rich material consumer goods for people's lives, and strollers are one of many material consumer goods.

Among them, the use of the baby stroller by the user is very convenient for the user to take care of the baby when going out. Therefore, the baby stroller is sought after by people.

However, in the existing baby stroller, the position of the seat on the frame is not adjustable. Therefore, the existing seat cannot adjust the height position of the seat on the frame according to the height of the baby. This makes the existing baby strollers poor in versatility.

Therefore, there is an urgent need for a stroller and its seat height adjustment mechanism that can flexibly adjust the height of the seat according to the height of the baby to overcome the above-mentioned problems.

An object of the present invention is to provide a seat height adjustment mechanism that can flexibly adjust the seat height position according to the baby's height change.

Another object of the present invention is to provide a stroller that can flexibly adjust the height of the seat according to the height of the baby.

To achieve the above objective, the seat height adjustment mechanism of the present invention is arranged on the frame of the baby stroller, and includes a bearing seat for assembling with the seat. The bearing seat is slidably arranged on the frame along the vertical direction of the frame, and the height position of the seat on the bearing seat on the frame is adjusted by the up and down movement of the bearing seat relative to the frame.

Preferably, the seat height adjustment mechanism of the present invention further includes a locking member, a release operating member linked with the locking member, and a fixing member installed on the frame. The carrier is slidably arranged on the fixing member, and the locking member is installed on the fixing member. One of the fixing member and the bearing seat has at least a locking position and a unlocking position, and the other of the fixing member and the bearing seat is provided with at least two segmented lock portions spaced apart from each other along the sliding direction of the bearing seat, and locked The member is in the locked position when selectively locked with the lock portion of any position, and the unlocking operating member links the locking member to disengage from the lock portion of any position so that the lock member is in the unlocking position.

Preferably, the seat height adjustment mechanism of the present invention further includes at least two locking members spaced apart from each other along the sliding direction of the bearing seat, a release operating member that is simultaneously linked with all the locking members, and a fixing installed on the frame The bearing seat is slidably arranged on the fixing member, the locking member is installed on one of the fixing member and the bearing seat and has at least a locking position and a unlocking position, and the other of the fixing member and the bearing seat is provided with a segment configuration The lock part, any one of the locking parts is in the locked position when selectively locked with the segment matching part, the release operating part links all the locking parts together to release the lock, and any one of the locking parts is disengaged from the segment matching part lock Together, it is in the unlocked position.

Preferably, the seat height adjustment mechanism of the present invention further includes a reset elastic member, the reset elastic member is arranged on the locking member and the bearing seat or the fixing member with the locking member, and the reset elastic member always has the drive locking member from the unlocking position The tendency to switch to the locked position.

Preferably, at least one of the locking member and the segmental lock portion has an inclined structure that is inclined relative to the sliding direction of the bearing base. During the upward sliding of the bearing base, the locking member is switched from the locked position through the inclined structure. To the unlocked position.

Preferably, the inclined structure of the locking member installed on the bearing seat is located on the upper side of the locking member, and correspondingly, the inclined structure of the segmental lock portion opened by the fixing member is located on the upper side of the segmental lock portion; or, installed on the upper side of the segmental lock portion; The inclined structure of the locking member on the fixing member is located on the lower side of the locking member. Correspondingly, the inclined structure of the segmental lock portion opened by the bearing seat is located on the lower side of the segmental lock portion.

Preferably, the locking member is in a sliding arrangement, and the sliding direction of the locking member is staggered with the sliding direction of the bearing seat.

Preferably, the unlocking operating member and the locking member are both an integral structure.

Preferably, the release operating member and the locking member are independent of each other.

Preferably, the seat height adjustment mechanism of the present invention further includes a flexible traction member, and the unlocking operation member links the locking member through the traction member.

Preferably, the first end of the traction member is connected with a release operating member installed on the frame, and the second end of the traction member is connected with a locking member installed on the fixing member.

Preferably, the seat height adjustment mechanism of the present invention further includes a turntable pivotally connected to the frame, the turntable has a first mounting portion and a second mounting portion distributed on both sides of the center line of the turntable, the unlocking operating member and the first mounting portion A mounting part is connected, and the first end of the traction member is connected with the second mounting part.

Preferably, the seat height adjustment mechanism of the present invention further includes a push-pull rod. The push-pull rod is slidably arranged on the fixing member or the bearing seat along the sliding direction of the bearing seat. The second end of the traction member is installed on the push-pull rod. Linked with the locking piece.

Preferably, the first end of the traction member is connected with the unlocking operation member installed on the seat, and the second end of the traction member is connected with the locking member installed on the bearing seat.

Preferably, the seat height adjustment mechanism of the present invention further includes a transmission member movably arranged on the seat, the transmission member is linked with the unlocking operating member, and the first end of the traction member is installed on the transmission member.

Preferably, the unlocking operation member and the transmission member are slidably arranged on the seat, and the sliding directions of the unlocking operation member and the transmission member intersect.

Preferably, the locking member is pivotally arranged, and the unlocking operating member and the locking member are both an integral structure.

Preferably, the locking member and the unlocking operating member are respectively pivotally mounted on the bearing seat or the fixing member, and the locking member is linked to perform the unlocking movement by means of the pivoting of the unlocking operating member.

Preferably, the segmental lock portion has a slot structure.

Preferably, the bearing seat is pivotally connected to the frame about a pivot center line, the bearing seat has at least a first set of joints and a second set of joints spaced apart from each other along the rotation direction of the bearing seat, and the first set of joints is to the pivot center The distance of the line is different from the distance from the second set of joints to the pivot center line, and the seat is detachably installed on the first set of joints or the second set of joints.

Preferably, the central angle between the first group of joints and the second group of joints is 90 degrees.

In order to achieve the above objectives, the stroller of the present invention includes a frame, a seat, and a seat height adjustment mechanism. The frame includes the front feet, the rear feet and the rider, and the front feet, the rear feet and the rider can be expanded and retracted; the seat height adjustment mechanism includes a bearing seat, which is slid on the frame along the vertical direction of the frame, and the seat group It is connected to the bearing seat, and the height position of the seat on the bearing seat on the body frame is adjusted through the up and down movement of the bearing seat relative to the frame.

Preferably, the bearing seat is slidably arranged on the rider, the front foot or the rear foot along the vertical direction of the frame.

Preferably, the seat height adjustment mechanism further includes a locking member, a release operating member linked to the locking member, and a fixing member installed on the frame. The bearing seat is slidably arranged on the fixing member, and the locking member is installed on the fixing member and the bearing seat. One of them has at least a locked position and a unlocked position. The other of the fixing member and the bearing seat is provided with at least two segmental locking portions spaced apart from each other along the sliding direction of the bearing seat, and the locking member is selected It is in the locked position when it is locked with any one-stage matching lock part, and the unlocking operating member is interlocked with the locking part to disengage from the lock with any one-stage matching lock part, so that the locking part is in the unlocking position.

Preferably, the seat height adjustment mechanism further includes at least two locking members spaced apart from each other along the sliding direction of the bearing seat, a release operating member that is simultaneously linked with all the locking members, and a fixing member installed on the frame, The bearing seat is slidably arranged on the fixing member, the locking member is installed on one of the fixing member and the bearing seat and has at least a locking position and a unlocking position, and the other of the fixing member and the bearing seat is provided with a segmental lock portion , Any lock piece is in the locked position when it is selectively locked with the segmental lock portion, the release operating piece links all the locks together to perform the unlocking movement, and any lock piece is disengaged and locked with the segmental lock portion. In the unlocked position.

Preferably, the seat height adjustment mechanism further includes a reset elastic member, the reset elastic member is arranged on the locking member and the bearing seat or the fixing member with the locking member, and the reset elastic member always has the drive locking member to switch from the unlocking position to the lock The trend of co-location.

Preferably, at least one of the locking member and the segmental lock portion has an inclined structure inclined with respect to the sliding direction of the bearing base. During the upward sliding of the bearing base, the locking member is moved from the locked position by the inclined structure. Switch to the unlock position.

Preferably, the inclined structure of the locking member installed on the bearing seat is located on the upper side of the locking member, and correspondingly, the inclined structure of the segmental lock portion opened by the fixing member is located on the upper side of the segmental lock portion; or, installed on the upper side of the segmental lock portion; The inclined structure of the locking member on the fixing member is located on the lower side of the locking member. Correspondingly, the inclined structure of the segmental lock portion opened by the bearing seat is located on the lower side of the segmental lock portion.

Preferably, the locking member is in a sliding arrangement, and the sliding direction of the locking member is staggered with the sliding direction of the bearing seat.

Preferably, the unlocking operating member and the locking member are both an integral structure, and the seat and the bearing base are detachably assembled.

Preferably, the seat height adjustment mechanism further includes a flexible traction member, the unlocking operating member and the locking member are independent of each other, and the unlocking operating member is linked to the locking member through the traction member.

Preferably, the first end of the traction member is connected with the unlocking operation member installed on the driver, and the second end of the traction member is connected with the locking member installed on the fixing member.

Preferably, the seat height adjustment mechanism further includes a turntable pivotally connected to the driver's hand, the turntable has a first mounting portion and a second mounting portion distributed on both sides of the center line of the turntable, and the unlocking operating member is connected to the first mounting portion , The first end of the traction member is connected with the second mounting part, and the seat and the bearing seat are detachably assembled.

Preferably, the seat height adjustment mechanism further includes a push-pull rod, the push-pull rod is slidably arranged on the fixing member or the bearing seat along the sliding direction of the bearing seat, the second end of the traction member is installed on the push-pull rod, the push-pull rod and the locking member Gearing.

Preferably, the seat height adjustment mechanism further includes a transmission member movably arranged on the seat, the transmission member is linked with the unlocking operation member, the first end of the traction member is installed on the transmission member, and the second end of the traction member is installed on the transmission member. The locking piece on the bearing seat is connected.

Preferably, the unlocking operating member and the driving member are slidably arranged on the seat, and the sliding directions of the unlocking operating member and the driving member intersect.

Preferably, the locking member is pivotally arranged, and the unlocking operating member and the locking member are both an integral structure.

Preferably, the locking member and the unlocking operating member are respectively pivotally mounted on the bearing seat or the fixing member, and the locking member is linked to perform the unlocking movement by means of the pivoting of the unlocking operating member.

Preferably, the bearing seat is pivotally connected to the frame about a pivoting centerline, the bearing seat has at least a first set of joints and a second set of joints are spaced apart from each other along the rotation direction of the bearing seat, the first set of joints is to the pivoting centerline The distance is different from the distance from the second set of joints to the pivot centerline, and the seat is detachably installed on the first set of joints or the second set of joints.

Compared with the prior art, since the bearing seat slides the frame along the vertical direction of the frame, the height position of the seat on the bearing seat on the frame is adjusted by the up and down movement of the bearing seat relative to the frame. Therefore, It can flexibly move up and down relative to the frame according to the height of the baby, so as to adjust the height position of the seat on the bearing seat on the frame. On the one hand, it is convenient for the operator to adjust and operate, and on the other hand, it improves the general purpose. sex.

In order to describe the technical content and structural features of the present invention in detail, the following further descriptions will be made in conjunction with the embodiments and the accompanying drawings.

Referring to FIGS. 1 to 8, the stroller 100 a according to the first embodiment of the present invention includes a frame 10, a seat 20 and a seat height adjustment mechanism 30. The frame 10 includes a front leg 11, a rear leg 12, and a rider 13. The front leg 11, the rear leg 12, and the rider 13 can be deployed and retracted to facilitate the folding operation of the frame 10; preferably, the rider 13 moves downwards in order It is pivotally connected to the rear foot 12 and the front foot 11, so that the pivot joint between the rider 13 and the front foot 11 is located at the front and lower part of the pivot joint between the driver 13 and the rear foot 12. 12 and the rider 13 are pivotally connected, but not limited to this. The seat height adjustment mechanism 30 includes a bearing seat 31. The bearing seat 31 is movably arranged on the frame 10, and the seat 20 is assembled on the bearing seat 31, so that the seat 20 is assembled on the frame 10 through the bearing seat 31. The height position of the seat 20 on the bearing seat 31 on the body frame 10 is adjusted by the movement of the bearing seat 31 relative to the frame 10. Specifically, in this embodiment, the bearing seat 31 is slidably arranged on the rider 13 along the vertical direction of the frame 10, so that the bearing seat 31 can move up and down along the rider 13, so the bearing seat 31 is up and down along the rider 13. During the sliding process, the bearing seat 31 is moved up and down relative to the frame 10 so as to adjust the height position of the seat 20 on the bearing seat 31 on the frame 10. It is understandable that, according to actual needs, the bearing seat 31 can also be slidably disposed on the front foot 11 or the rear foot 12 along the vertical direction of the frame 10, so it is not limited to this. When the frame 10 does not include the front legs 11, the rear legs 12, and the rider 13, the bearing seat 31 at this time is slid on the frame 10 along the vertical direction of the frame 10. The height position of the seat 20 on the carrier 31 on the frame 10 is adjusted by sliding, so the above example is not limited. More specifically, as follows:

As shown in Figures 3 to 8, in order to ensure the reliability of the position of the adjusted bearing seat 31 on the rider 13, and to facilitate the operator's adjustment operation on the bearing seat 31, the seat height adjustment mechanism 30 further includes a locking member 32. The unlocking operating member 33 linked with the locking member 32 and the fixing member 34 installed on the rider 13. The bearing seat 31 is slidably disposed on the fixing member 34, so that the bearing seat 31 is slidably arranged on the fixing member 34 to achieve the purpose of sliding on the rider 13; preferably, the bearing seat 31 is additionally fitted with the fixing member 34. And the fixing member 34 is a straight rod structure to increase the sliding reliability between the bearing seat 31 and the fixing member 34, but it is not limited to this. The locking member 32 is installed on the bearing seat 31, and the bearing seat 31 provides support for the locking member 32, and the locking member 32 has at least the locked position shown in Fig. 7 and the unlocked position shown in Fig. 8. The fixing member 34 is provided with at least two segmental locks 35 spaced apart from each other along the sliding direction of the bearing seat 31 (see the double arrow B in the figure 5). The locking member 32 is in the locked position when it is selectively locked with the lock portion 35 of any position, the state is shown in Figure 7; the release operating member 33 is linked to the locking member 32 to disengage from the lock portion 35 of any position Close, so that the locking member 32 is in the unlocking position, the state is shown in Figure 8; for example, the segmental locking portion 35 is a slot structure, such as a groove, a blind hole or a through hole, and its shape is to lock The shape of the member 32 matches, but this is well known in the art, so it will not be described in detail here.

As shown in Figures 7 and 8, in order to enable the locking member 32 to automatically switch to the locked position under normal conditions, the seat height adjustment mechanism 30 further includes a reset elastic member 36, which always has a drive locking member The tendency of 32 to switch from the unlocked position to the locked position; specifically, since the locking member 32 is installed on the bearing seat 31, the reset elastic member 36 is arranged on the locking member 32 and the bearing seat 31 with the locking member 32, In order to simplify the installation relationship among the restoring elastic member 36, the locking member 32 and the bearing seat 31, when the locking member 32 is installed on the fixing member 34, the restoring elastic member 36 is provided on the locking member 32 and the fixing member 34 at this time. For example, the locking member 32 is in a sliding configuration, and the sliding direction of the locking member 32 (see the double arrow D in Figure 7 and Figure 8) is the same as that of the bearing seat 31. The moving directions (refer to the double arrow B in Fig. 7 and Fig. 8) are staggered, so that the design can simplify the thickness occupation of the locking member 32 on the bearing seat 31. Since the locking member 32 is in a sliding arrangement, correspondingly, the reset elastic member 36 is selected as a compression spring or a tension spring to further simplify the installation relationship among the reset elastic member 36, the locking member 32 and the bearing seat 31, but is not limited to this. It is understandable that, according to actual needs, the locking member 32 can also be installed at the fixing member 34. Correspondingly, the bearing seat 31 is provided with at least two segmented locking portions 35, which can also realize the stage adjustment and locking of the bearing seat 31 Purpose, but not limited to this. In addition, when the bearing seat 31 is slidably installed on the front leg 11, the fixing member 34 is installed on the front leg 11 of the frame 10 at this time. When the bearing seat 31 is slidably installed on the rear leg 12, the fixing member 34 is installed on the rear leg 12 at this time. Above, it is not limited to the above examples.

As shown in Figures 5 to 8, the locking member 32 has an inclined structure 321 that is inclined relative to the sliding direction of the bearing base 31, and the segmental lock portion 35 also has an inclined structure 351 that is inclined relative to the sliding direction of the bearing base 31. During the upward sliding of the bearing seat 31, the locking member 32 is switched from the locked position to the unlocked position by the inclined structures 321 and 351. The purpose of this design is: when the bearing seat 31 is adjusted upwards, there is no need at this time When the user operates the unlocking operating member 33, the user only needs to directly pull the seat 20 upwards to achieve the upward adjustment purpose of the bearing seat 31. This is due to the combination of the tilt structure 321 of the locking member 32 and the segmental lock portion 35 The inclined structure 351 pushes against each other during the upward sliding of the bearing seat 31, so that the locking member 32 overcomes the elastic force of the reset elastic member 36 and slides and retracts, thereby releasing the locking member 32 and the aligned segmental lock portion 35. Lock, thus allowing the bearing seat 31 to be adjusted upwards. Specifically, the inclined structure 321 of the locking member 32 installed on the carrier 31 is located on the upper side of the locking member 32. Correspondingly, the inclined structure 351 of the segmental lock portion 35 opened by the fixed member 34 is located at the segmental lock portion 35 The state of the upper side is shown in Figure 7 or Figure 8. It should be noted that, according to actual needs, the inclined structure 321 of the locking member 32 installed on the fixing member 34 can be designed to be located on the lower side of the locking member 32. Correspondingly, the position of the bearing seat 31 can be locked. The inclined structure 351 of the portion 35 is designed to be located on the lower side of the segmental lock portion 351, but it is not limited to this; in addition, according to actual needs, the inclined structure of the locking member 32 or the segmental lock portion 35 can be used to achieve the same The purpose of “the user does not need to operate the unlocking operating member 33, but only needs the user to directly pull the upper end of the seat 20 upward to adjust the bearing seat 31 upward”, so it is not limited to this.

As shown in Figures 6 and 7, the unlocking operating member 33 and the locking member 32 are in an integrated structure. The purpose of this design is to achieve the purpose of releasing the locking member 32 at a close distance through the unlocking operating member 33. It also simplifies the structure of both the unlocking operating member 33 and the locking member 32; since the unlocking operating member 33 and the locking member 32 have a common integrated structure, the unlocking operating member 33 is installed at the bearing seat 31 through the locking member 32 at this time, But not limited to this. It is understandable that, according to actual needs, the locking member 32, which is an integral structure with the unlocking operating member 33, can be pivotally arranged, so that the unlocking operating member 33 and the locking member 32 can be pivoted relative to the bearing seat 31 together. The purpose of locking or unlocking between the locking member 32 and the segmental locking portion 35 is not limited to this. In order to facilitate the user to assemble and disassemble the seat 20, the seat 20 and the bearing seat 31 in the stroller 100a of the first embodiment are detachably assembled. Of course, according to actual needs, the seat 20 and the bearing seat 31 can be made It cannot be disassembled, so it is not limited to this.

The working principle of the stroller 100a according to the first embodiment of the present invention will be described with reference to Figures 1 to 8. When the height position of the seat 20 on the frame 10 needs to be adjusted upwards, the user directly pulls the seat 20 upwards. , So that the force acting on the seat 20 is transmitted to the bearing seat 31, so that the bearing seat 31 has a tendency to slide upward; and the bearing seat 31 with the upward sliding tendency uses the tilt structure 321 of the locking member 32 and the position Under the mutual pushing action of the inclined structure 351 of the locking part 35, the locking part 32 overcomes the elastic force of the reset elastic part 36 and slides and retracts, so that the locking part 32 and the aligned segment locking part 35 are released. Therefore, the bearing seat 31 and the seat 20 are allowed to be adjusted upwards until the locking member 32 is aligned with the other segmental lock portion 35 again. At this time, the locking member 32 is automatically adjusted under the reset elastic force of the reset elastic member 36. It is locked with the aligned segment lock portion 35 to fix the position of the adjusted bearing seat 31 on the rider 13. When the height position of the seat 20 in the frame 10 is to be adjusted downwards, the user operates the unlocking operating member 33, and the unlocking operating member 33 together with the locking member 32 overcomes the elastic force of the reset elastic member 36 and interacts with each other. The aligned segmental lock portions 35 are unlocked, thereby allowing the bearing seat 31 and the seat 20 to be adjusted downwards.

Referring to Figures 9 to 11, the structure of the baby stroller 100b of the second embodiment of the present invention is basically the same as that of the baby stroller 100a of the first embodiment, except that the seat height adjustment mechanism 30 is the only difference between the two. The installation position of the frame 10 is slightly different, as follows:

In the second embodiment, the bearing base 31 of the seat height adjustment mechanism 30 is slidably installed at the rear foot 12 of the frame 10. Specifically, the fixing member 34 of the seat height adjustment mechanism 30 is installed at the rear foot 12 so that the bearing The seat 31 is slidably installed at the fixing member 34 of the rear foot 12; and in the first embodiment, the bearing seat 31 of the seat height adjustment mechanism 30 is slidably installed at the rider 13 of the frame 10, specifically the seat height adjustment mechanism The fixing member 34 of 30 is installed at the rider 13, so that the bearing seat 31 is slidably installed at the fixing member 34 of the rider 13.

Although the installation position of the seat height adjustment mechanism 30 on the frame 10 in the first embodiment and the second embodiment is slightly different, the seats in the first embodiment and the second embodiment are slightly different. The structure of the height adjustment mechanism 30 is completely the same, so the seat height adjustment principle of the two is the same, so the working principle of the stroller 100b of the second embodiment will not be described in detail here. It is worth noting that although the seat height adjustment mechanism 30 in the first and second embodiments only shows that the bearing seat 31 is slidably disposed on the rider 13 or the rear foot 12, of course, according to actual needs, the first and second embodiments The bearing seat 31 of the seat height adjustment mechanism 30 in the second embodiment can also be slidably arranged on the front foot 11, so the above example is not limited; in addition, it should be noted that when the bearing seat 31 is slidably arranged on the front foot 11 At this time, the fixing member 34 is installed at the front foot 11 at this time, so as to realize the purpose of sliding the bearing seat 31 on the front foot 11 through the fixing member 34.

Referring to Figures 12 to 16, the structure of the baby stroller 100c of the third embodiment of the present invention is basically the same as that of the baby stroller 100a of the first embodiment. The difference lies in the specific seat height adjustment mechanism of the two. Structure, the difference between them is explained below:

(1) In the third embodiment, the seat height adjustment mechanism 30' includes a bearing seat 31, which is slidably arranged on the front foot 11, specifically, slidably arranged at the fixing member 34 of the front foot 11, so as to use the sliding seat To achieve the purpose of sliding on the front foot 11 at the fixing member 34;

In the first embodiment, the seat height adjustment mechanism 30 includes a bearing seat 31, and the bearing seat 31 is slidably arranged at the rider 13, specifically at the fixing member 34 of the rider 13.

It should be noted that, according to actual needs, the bearing seat 31 of the third embodiment can also be slidably disposed on the rear foot 12 or the rider 13, so the above example is not limited.

(2) In the third embodiment, the seat height adjustment mechanism 30' includes an unlocking operating member 33' and a locking member 32'. The unlocking operating member 33' and the locking member 32' are independent of each other, that is, the unlocking operation The member 33' is an independent element, and the locking member 32' is also an independent element, so that the unlocking operating member 33' and the locking member 32' are linked together through a linkage structure; and in the first embodiment, the seat height adjustment mechanism 30 Including the unlocking operating member 33 and the locking member 32, the unlocking operating member 33 and the locking member 32 are a one-piece structure. Therefore, the unlocking operating member 33 and the locking member 32 in the first embodiment are not connected through a third party. Realize the linkage relationship.

(3) In the third embodiment, the locking member 32' and the unlocking operating member 33' are each pivotally mounted on the bearing seat 31, and the locking member 32' is linked with the pivoting of the unlocking operating member 33' Perform a lock release movement; specifically, as shown in Figures 15 and 16, the bearing seat 31 is provided with a first sleeve post 311 and a second sleeve post 312, and the middle of the locking member 32' is sleeved at the first sleeve post 311 , The unlocking operating element 33' is sleeved on the second sleeve post 312, the unlocking operating element 33' is further embedded and linked with the locking element 32', and the reset elastic element 36' is sleeved on the first sleeve post 311, and the reset elasticity One end of the member 36' abuts against the locking member 32', and the other end of the reset elastic member 36' abuts against the bearing seat 31. For example, the reset elastic member 36' is a torsion spring. Therefore, in the third embodiment, the pivoting of the unlocking operating member 33' is used to link the pivoting of the locking member 32', and the pivoting locking member 32' Release the lock with the segment lock part 35. It is understandable that when the locking member 32' and the unlocking operating member 33' are each pivotably installed at the fixing member 34, the first set post 311 and the second set post 312 are controlled by the fixing member 34 at this time. Is provided.

In the first embodiment, the locking member 32 is in a sliding configuration, and the locking member 32 and the unlocking operating member 33 are in an integrated structure. Therefore, in the first embodiment, the unlocking operating member 33 is used to drive the locking The sliding movement of the piece 32 is released by the sliding locking piece 32 and the segment matching lock portion 35.

Except for the above differences, the rest is the same as that of the first embodiment, so it will not be repeated here.

The working principle of the baby stroller 100c according to the third embodiment of the present invention will be described with reference to Figures 12 to 16. When the height position of the seat 20 on the frame 10 needs to be adjusted upwards, the user directly pulls the seat 20 upwards. , So that the force acting on the seat 20 is transmitted to the bearing seat 31, so that the bearing seat 31 has a tendency to slide upward; Under the mutual pushing action of the inclined structure 351 of the locking part 35, the locking member 32' overcomes the elastic force of the reset elastic member 36' and pivots and retracts, so that the locking member 32' is aligned with one of the segmental locking parts 35. The lock is released between phases, so that the bearing seat 31 and the seat 20 are allowed to be adjusted upwards until the locking member 32' is aligned with the other segment lock portion 35 again, and the locking member 32' is resetting the elastic member 36' at this time. Under the action of the reset elastic force, the lock portion 35 automatically aligned with the other segment locks to fix the position of the bearing seat 31 on the rider 13 after the adjusted position. When the height position of the seat 20 in the frame 10 is to be adjusted downwards, the user operates the unlocking operating member 33', and the unlocking operating member 33' is linked with the locking member 32' to overcome the reset elastic member 36'. The elastic force releases the lock between the aligned segmental lock portions 35, thereby allowing the bearing seat 31 and the seat 20 to be adjusted downwards.

Referring to FIGS. 17 to 20, the structure of the frame 10 and the seat 20 of the baby stroller 100d of the fourth embodiment of the present invention and the baby stroller 100a of the first embodiment are the same, and the fourth embodiment The seat height adjustment mechanism in both the stroller 100d of the first embodiment and the stroller 100a of the first embodiment includes a bearing seat 31, a locking member 32, a release operating member 33, and a fixing member 34. The bearing seat 31 is slidably mounted on The fixing piece 34 is installed at the driver 13. The differences are as follows:

(1) In the fourth embodiment, there are at least two locking members 32 and they are spaced apart from each other along the sliding direction of the bearing seat 31, and the unlocking operating member 33 is linked with all the locking members 32 at the same time, that is, by the same The unlocking operating member 33 moves all the locking members 32 together at the same time. The locking member 32 is installed on the fixing member 34 and has at least one locked position (see Figures 18 and 20) and a unlocked position. The bearing seat 31 is provided with The segmental lock portion 35, therefore, any locking member 32 is in the locked position when selectively locked with the segmental lock portion 35, the state is shown in Figures 18 and 20, and the unlocking operating member 33 is linked All the locking members 32 perform the unlocking movement together, and any one of the locking members 32 is disengaged from the positional lock portion 35 and locked in the unlocking position; it is understandable that the locking member 32 can be installed at the bearing seat 31 according to actual needs. Correspondingly, the fixing member 34 is provided with a positional lock portion 35, so the above example is not limited.

In the first embodiment, the locking member 32 is installed on the bearing seat 31 and has at least a locked position and a unlocked position, and the fixing member 34 is at least provided with a positional arrangement spaced apart from each other along the sliding direction of the bearing seat 31. The lock part 35 and the lock part 32 are in the locked position when selectively locked with the lock part 35 of any position; the unlocking operating part 33 links the lock part 32 to disengage from the lock part 35 of any position.

(2) In the fourth embodiment, the unlocking operating member 33 and the locking member 32 are independent of each other, that is, the unlocking operating member 33 is an independent element, and the locking member 32 is also an independent element, so that the unlocking operating member 33 and the locking member 32 are linked together through a linkage structure (such as the traction member 37, the turntable 38, and the push-pull rod 39a described below); and in the first embodiment, the release operating member 33 and the locking member 32 are both an integrated structure, Therefore, the traction member 37, the turntable 38, and the push-pull rod 39a are not provided between the unlocking operating member 33 and the locking member 32.

(3) In the fourth embodiment, the seat height adjustment mechanism 30" further includes a flexible traction member 37, and the unlocking operation member 33 links the locking member 32 through the traction member 37 to realize the locking of the locking member 32. The purpose of remote control; specifically, the first end of the traction member 37 is connected to the release operating member 33 installed on the rider 13, and the second end of the traction member 37 is connected to the locking member 32 installed on the fixing member 34; more Specifically, the seat height adjustment mechanism 30" further includes a turntable 38 pivotally connected to the rider 13. The turntable 38 has a first mounting portion 381 and a second mounting portion 382 distributed on both sides of the center line L of the turntable 38. The lock operating member 33 is connected to the first mounting portion 381, and the first end of the traction member 37 is connected to the second mounting portion 382, so as to be converted into the rotation of the turntable 38 about the center line L through the sliding movement of the unlocking operating member 33, thereby The rotating turntable 38 pulls the locking member 32 through the traction member 37 for the purpose of releasing the lock; in order to more reliably drive all the locking members 32 to move together, the seat height adjustment mechanism 30" additionally includes a push-pull rod 39a along the side of the push-pull rod 39a. The sliding direction of the bearing seat 31 is slidably disposed on the fixing member 34, the second end of the traction member 37 is installed on the push-pull rod 39 a, and the push-pull rod 39 a and the locking member 32 are linked.

In the first embodiment, since the locking member 32 of the seat height adjustment mechanism 30 and the unlocking operating member 33 are in an integrated structure, the traction member 37 and the turntable are not provided between the locking member 32 and the unlocking operating member 33. 38 and the push-pull rod 39a, so the height adjustment mechanism 30 does not have the traction member 37, the turntable 39, and the push-pull rod 39a.

(4) In the fourth embodiment, the reset elastic member 36 is directly arranged between the push-pull rod 39a and the fixing member 34, so that the reset elastic member 36 drives the locking member 32 to reset through the push-pull rod 39a; while in the first embodiment , The reset elastic member 36 is directly arranged between the locking member 32 and the bearing seat 31 or the fixing member 15 where the locking member is located, so the reset elastic member 36 directly drives the locking member 32 to reset.

(5) In the fourth embodiment, as shown in Figures 18 and 20, only the locking member 32 has an inclined structure 321; while in the first embodiment, the locking member 32 and the segmental lock portion 35 each have Inclined structures 321,351.

Except for the above differences, the rest is the same as the first embodiment, so it will not be repeated here. It should be noted that the bearing seat 31 in the seat height adjustment mechanism 30″ of the fourth embodiment can be slidably mounted on the front foot 11 or the rear foot 12 of the frame 10 according to actual needs. Correspondingly, the seat height adjustment mechanism 30 The fixing member 34 in ”is installed on the front foot 11 or the rear foot 12, so the above examples are not limited.

With reference to Figures 17 to 20, the working principle of the baby stroller 100d according to the fourth embodiment of the present invention will be described: when the height position of the seat 20 on the frame 10 needs to be adjusted upwards, the user directly pulls the seat 20 upwards , So that the force acting on the seat 20 is transmitted to the bearing seat 31, so that the bearing seat 31 has a tendency to slide upward; Under the pushing action of the inclined structure 321 of the locking member 32 that is aligned with the lock portion 35, all the locking members 32 slide and retract together, and at the same time, the push-pull rod 39a is linked to overcome the elastic force of the reset elastic member 36 to slide upward. As a result, the lock between the segmental lock portion 35 and the lock piece 32 aligned with the segmental lock portion 35 is released, thereby allowing the bearing seat 31 and the seat 20 to be adjusted upwards until the segmental lock portion 35 reconnects with another lock piece. 32 are aligned, the push-pull rod 39a at this time slides downward under the elastic force of the reset elastic member 36, and the sliding push-pull rod 39a is linked with the segmental lock portion 35 to automatically lock with a locking member 32 aligned with it. Close, to fix the position of the bearing seat 31 on the rider 13 after the adjusted position. When the height position of the seat 20 on the frame 10 is to be adjusted downwards, the user operates the unlocking operating member 33, and the unlocking operating member 33 drives the turntable 38 to rotate around the center line L, so that the rotating turntable 38 Pulling the push-pull rod 39a through the traction member 37 overcomes the elastic force of the reset elastic member 36 to slide upwards, so that the push-pull rod 39a that slides upward is linked to all the locking members 32 to slide and retract together, so that the segmental lock portion 35 is aligned with A locking member 32 of the segmental lock portion 35 is unlocked, thereby allowing the bearing seat 31 and the seat 20 to be adjusted downwards.

Please refer to Figures 21 to 24, a baby stroller 100e according to a fifth embodiment of the present invention includes a frame 10, a seat 20, and a seat height adjustment mechanism 40. The frame 10 includes a front leg 11, a rear leg 12, and a rider 13. The front leg 11, the rear leg 12, and the rider 13 can be deployed and retracted to facilitate the folding operation of the frame 10; preferably, the rider 13 moves downwards in order It is pivotally connected to the rear foot 12 and the front foot 11, so that the pivot joint between the rider 13 and the front foot 11 is located in front of and below the pivot joint between the rider 13 and the rear foot 12, so as to simplify the front foot 11, while ensuring the convenient folding operation of the frame 10 The structure in which the rear foot 12 and the rider 13 are pivotally connected, but not limited to this. The seat height adjustment mechanism 40 includes a bearing seat 41 which is pivotally connected to the frame 10 about a pivot center line C. The bearing seat 41 has at least a first set of joints 41a spaced apart from each other along the rotation direction of the bearing seat 41 and For the second group of joints 41b, the distance from the first group of joints 41a to the pivoting centerline C is different from the distance from the second group of joints 41b to the pivoting centerline C. At this time, the seat 20 is detachably installed in the first group Joint 41a or second set of joints 41b; for example, the distance from the first set of joints 41a to the pivot center line C is smaller than the distance from the second set of joints 41b to the pivot center line C, so that the joints in the first set are assembled The height of the seat 20 on the 41a on the frame 10 is lower than the height of the seat 20 assembled on the second set of joints 41b on the frame 10, so by rotating the bearing seat 31, it is convenient to exchange the first set of joints 41a and the second set of joints 41b, so that the height adjustment of the seat 20 on the frame 10 is more convenient; specifically, the rider 13, the front leg 11 and the bearing seat 31 are coaxially pivoted, which is more convenient for carrying The rotation operation of the seat 31; for example, the central angle between the first set of joints 41a and the second set of joints 41b is 90 degrees, that is, the distance between the first set of joints 41a and the second set of joints 41b The position exchange only needs to rotate the bearing base 31 by 90 degrees. In addition, this angle setting can prevent one of the first group of joints 41a and the second group of joints 41b from being the other in the first group of joints 41a and the second group of joints 41b. One of them causes obstacles when connecting with the seat 20. It should be noted that when the seat 20 is assembled with the first set of joints 41a, the second set of joints 41b is in an idle state at this time. Similarly, when the seat 20 is assembled with the second set of joints 41b, this When the first set of joints 41a is in an idle state, therefore, the seat 20 and the bearing seat 31 in the stroller 100e of the fifth embodiment are designed to be detachable.

It should be noted that in the first embodiment, the bearing seat 31 of the seat height adjustment mechanism 30 is slidingly arranged; and in the fifth embodiment, the bearing seat 41 of the seat height adjustment mechanism 40 is pivoted. Therefore, in order to ensure the position of the rotating bearing seat 41, the remaining structure of the seat height adjustment mechanism 30 except the bearing seat 31 in the first to fourth embodiments can be transferred, that is, linked by the unlocking operating member 33 The locking member 32 serves the purpose of releasing the lock between the bearing seat 41 and the fixing member 34. And it is understandable that, according to actual needs, the bearing seat 41 of the seat height adjustment mechanism 40 in the fifth embodiment can be pivotally connected to the front foot 11, the rear foot 12 or the rider in the frame 10 about a pivot center line C. There are 13 locations, so the above examples are not limited.

With reference to Figures 21 to 24, the working principle of the stroller 100e of the fifth embodiment of the present invention will be described: when the seat 20 shown in Figure 21 is adjusted to the position shown in Figure 22, at this time First remove the seat 20 from the first set of joints 41a shown in Figure 21; then, rotate the bearing seat 41 counterclockwise to exchange the positions of the first set of joints 41a and the second set of joints 41b; The 20 sets are connected to the second set of joints 41b, and the state is shown in Figure 22. When the position of the seat 20 shown in Figure 22 is to be adjusted to the position shown in Figure 21, first remove the seat 20 from the second set of joints 41a shown in Figure 22; then, clockwise Rotate the bearing seat 41 so that the positions of the first group of joints 41a and the second group of joints 41b are interchanged; then, the seat 20 is grouped and connected to the first group of joints 41a. The state is shown in FIG. 21.

Referring to FIGS. 25 to 33, the structure of the frame 10 and the seat 20 of the baby stroller 100f of the sixth embodiment of the present invention and the baby stroller 100a of the first embodiment are the same, and the sixth embodiment The seat height adjustment mechanism of the baby stroller 100f of the first embodiment and the baby stroller 100a of the first embodiment both include a bearing seat 31, a locking member 32, a release operating member 33, and a fixing member 34. The bearing seat 31 is slidably arranged on the fixed The fixing member 34 is installed at the driver 13 position. The differences are as follows:

(1) In the sixth embodiment, the unlocking operating member 33 and the locking member 32 are independent of each other, that is, the unlocking operating member 33 is an independent element, and the locking member 32 is also an independent element, so that the unlocking operating member 33 and the locking member The 32 are linked together through a linkage structure (such as the transmission member 39b and the traction member 37 described below). In the first embodiment, the unlocking operating member 33 and the locking member 32 are in an integrated structure, so the transmission member 39b and the traction member 37 are not provided between the unlocking operating member 33 and the locking member 32.

(2) In the sixth embodiment, the seat height adjustment mechanism 30"' further includes a flexible traction member 37, and the unlocking operation member 33 links the locking member 32 through the traction member 37 to realize the pairing of the locking member 32. The purpose of remote control; specifically, the first end of the traction member 37 is connected to the release operating member 33 installed on the seat 20, and the second end of the traction member 37 is connected to the locking member 32 installed on the bearing seat 31 More specifically, the seat height adjustment mechanism 30'" additionally includes a transmission member 39b movably arranged on the seat 20, the transmission member 39b is linked with the unlocking operating member 33, and the first end of the traction member 37 is mounted on the transmission member On 39b, the unlocking operating member 33 pulls the locking member 32 through the transmission member 39b and the traction member 37 for the purpose of unlocking movement. Since the linkage relationship between the transmission member 39b and the unlocking operation member 33 is well known in the art, it will not be described here. For example, the unlocking operating member 33 and the transmission member 39b are slidably arranged on the seat 20, and the sliding directions of the unlocking operating member 33 and the transmission member 39b intersect. Therefore, through the sliding of the unlocking operating member 33 Moving and linking the transmission member 39b to pull the traction member 37, or release the pulling motion of the traction member 37. Since the traction member 37 and the transmission member 39b are not provided between the unlocking operating member 33 and the locking member 32 of the first embodiment, the unlocking operating member 33 and the locking member 32 do not have the above-mentioned connection relationship.

(3) In the sixth embodiment, since the unlocking operating member 33 is installed on the seat 20, the seat 20 and the bearing seat 31 cannot be detached and assembled at this time. In the first embodiment, the seat 20 and the bearing seat 31 can be made detachable, of course, it can also be made non-detachable.

Except for the above differences, the rest is the same as the first embodiment, so it will not be repeated here. In addition, it should be noted that in the sixth embodiment, the bearing seat 31 in the seat height adjustment mechanism 30"' is slidably disposed on the front foot 11 or the rear foot 12 of the frame 10 according to actual needs, specifically the seat height The fixing member 34 in the adjusting mechanism 30"' is installed on the front leg 11 or the rear leg 12 of the frame 10, so that the bearing seat 31 is slidably installed at the front leg 11 or the rear leg 12 by sliding on the fixing member 34.

With reference to Figures 25 to 32, the working principle of the baby stroller 100f of the sixth embodiment of the present invention will be described: when the height position of the seat 20 on the frame 10 needs to be adjusted upwards, the user directly pulls the seat 20 upwards , So that the force acting on the seat 20 is transmitted to the bearing seat 31, so that the bearing seat 31 has a tendency to slide upward; The mutual pushing action between the inclined structures 351 of the lock portion 35 causes the lock piece 32 to overcome the reset elastic piece 36 and slide inwardly, so that the lock piece 32 is released from the lock portion 35 aligned with one of the segment positions. Allow the bearing seat 31 and the seat 20 to be adjusted upwards until the locking member 32 is aligned with the other segment lock portion 35 again; at this time, under the elastic force of the reset elastic member 36, the locking member 32 is automatically adjusted It is locked with the other aligned lock portion 35 to fix the position of the adjusted bearing seat 31 on the rider 13. When the height position of the seat 20 on the frame 10 is to be adjusted downwards, the user operates the unlocking operating member 33, and the unlocking operating member 33 drives the transmission member 39b and the traction member 37 to pull the locking member 32 to overcome the reset elasticity The member 36 slides and retracts, so that the locking member 32 is released from the other positional lock portion 35 aligned with it, thereby allowing the bearing seat 31 and the seat 20 to be adjusted downwards.

Compared with the prior art, since the bearing seats 31, 41 are slidably disposed on the frame 10 along the vertical direction of the frame 10, the bearing seats 31, 41 are adjusted by the up and down movement of the bearing seats 31, 41 relative to the frame 10 The height position of the upper seat 20 on the frame 10, therefore, can flexibly move up and down relative to the frame 10 through the bearing seats 31, 41 according to the height of the baby, so as to adjust the seats on the bearing seats 31, 41 The height position of the chair 20 on the frame 10 on the one hand facilitates the adjustment operation of the operator, and on the other hand improves the versatility. The foregoing descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

10: Frame 11: Forefoot 12: Hind foot 13: Driver 20: Seat 30, 30’, 30’’, 30’’’, 40: Seat height adjustment mechanism 31, 41: bearing seat 32, 32’: Locking pieces 33, 33’: Lock release operating parts 34: fixed parts 35: tier with lock 36, 36’: Reset elastic piece 37: traction parts 38: turntable 39a: Push and pull rod 39b: Transmission parts 41a: The first set of connectors 41b: The second set of connectors 100a, 100b, 100c, 100d, 100e, 100f: baby stroller 311: The first set of columns 312: The second set of columns 321, 351: Inclined structure 381: The first installation department 382: The second installation part B, D: double arrow L: Centerline C: pivot centerline

Figure 1 is a schematic diagram of the three-dimensional structure of the baby stroller according to the first embodiment of the present invention. Figure 2 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 1 when it is at another angle. Figure 3 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 1 with the seat hidden. Figure 4 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 2 with the seat hidden. Fig. 5 is a schematic diagram of the three-dimensional structure of the fixing member in the stroller shown in Fig. 1. Figure 6 is a three-dimensional schematic diagram of the baby stroller shown in Figure 1 in which the locking member and the unlocking operating member are integrated together. Figure 7 is a cut-away view of the baby stroller shown in Figure 1 and shows the internal structure of the locking member when it is locked with the segmental lock portion and is in the locked position. Figure 8 is a cut-away view of the baby stroller shown in Figure 1 and shows the internal structure of the locking member when it is unlocked from the segmental lock portion and is in the unlocked position. Figure 9 is a schematic diagram of a three-dimensional structure of a baby stroller according to a second embodiment of the present invention. Fig. 10 is a schematic diagram of the three-dimensional structure of the stroller shown in Fig. 9 when it is at another angle. Figure 11 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 9 when it is at another angle. Figure 12 is a schematic view of the three-dimensional structure of the baby stroller behind the hidden part of the front feet of the third embodiment of the present invention. Figure 13 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 12 when it is at another angle. Figure 14 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 12 when it is at another angle. Figure 15 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 14 with the seat hidden. Figure 16 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 12 when the carrier, the locking member and the unlocking operating member are installed together. Fig. 17 is a schematic diagram of a three-dimensional structure of a baby stroller according to a fourth embodiment of the present invention. Figure 18 is a structural diagram of the unlocking operating member, turntable, traction member, push-pull rod, and locking member in the stroller shown in Figure 17 when they are linked. Figure 19 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 17 when the rear feet are hidden. Figure 20 is an enlarged view of part A in Figure 19. FIG. 21 is a schematic diagram of the three-dimensional structure of the baby stroller according to the fifth embodiment of the present invention when the seat is assembled on the first set of joints. Figure 22 is a schematic diagram of the three-dimensional structure of the baby stroller according to the fifth embodiment of the present invention when the seat is assembled on the second set of joints. Figure 23 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 21 with the seat hidden. Figure 24 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 22 with the seat hidden. Fig. 25 is a schematic diagram of a three-dimensional structure of a baby stroller according to a sixth embodiment of the present invention. Figure 26 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 25 when it is at another angle. Fig. 27 is a schematic diagram of the three-dimensional structure of the stroller shown in Fig. 25 at another angle. Figure 28 is a schematic diagram of the three-dimensional structure of the stroller shown in Figure 25 with the seat hidden. Figure 29 is a schematic diagram of the three-dimensional structure when the unlocking operating member, the transmission member and the traction member in the baby stroller according to the sixth embodiment of the present invention are installed together. Figure 30 is a schematic diagram of the three-dimensional structure of the baby stroller according to the sixth embodiment of the present invention when the locking member is locked with a segmental locking part. Figure 31 is a three-dimensional schematic diagram of the baby stroller according to the sixth embodiment of the present invention when the locking member and a segmental lock portion are unlocked. Figure 32 is an exploded perspective view of the stroller shown in Figure 30. Figure 33 is an exploded perspective view of the stroller shown in Figure 31.

10: Frame

11: Forefoot

12: Hind foot

13: Driver

20: Seat

30: Seat height adjustment mechanism

31: bearing seat

34: fixed parts

35: tier with lock

100a: baby stroller

Claims (39)

A seat height adjustment mechanism is arranged on a frame of a baby stroller. The seat height adjustment mechanism includes: A bearing seat for assembling with a seat, the bearing seat is slidably arranged on the frame along the up and down direction of the frame, and the bearing seat is adjusted by sliding up and down relative to the frame A height position of the seat on the frame. The seat height adjustment mechanism as described in claim 1, which additionally includes: A locking piece; A lock release operating member, which is linked with the locking member; and A fixing piece installed on the frame, the bearing seat is slidably arranged on the fixing piece, the locking piece is installed on one of the fixing piece and the bearing seat and has at least a locked position and a unlocked position , The other of the fixing member and the bearing seat is provided with at least two segmental locking portions spaced apart from each other along the sliding direction of the bearing seat, and the locking member is selectively locked with any one of the segmental locking portions When it is in the locked position, the unlocking operating member links the locking member to disengage from locking with any of the segmented lock parts, so that the locking member is in the unlocked position. The seat height adjustment mechanism as described in claim 1, which additionally includes: At least two locking members, which are spaced apart from each other along the sliding direction of the bearing seat; A release operating member, which is simultaneously linked with the at least two locking members; and A fixing piece installed on the frame, the bearing seat is slidably arranged on the fixing piece, the locking piece is installed on one of the fixing piece and the bearing seat and has at least a locked position and a unlocked position , The other of the fixing member and the bearing seat is provided with a segmental locking portion, any one of the locking members is in the locked position when selectively locked with the segmental locking portion, the unlocking operating member is linked The at least two locking pieces perform a lock releasing movement together, and any one of the locking pieces is disengaged from being locked with the segmental lock portion to be in the unlocking position. The seat height adjustment mechanism as described in claim 2 or 3, which additionally includes: A reset elastic member is arranged on the locking member and the bearing seat or the fixing member with the locking member, and the reset elastic member always has a tendency to drive the locking member to switch from the unlocking position to the locking position. The seat height adjustment mechanism according to claim 4, wherein at least one of the locking member and the segmental lock portion has an inclined structure that is inclined relative to the sliding direction of the bearing seat and slides upward on the bearing seat In the process, the locking member is switched from the locked position to the unlocked position through the inclined structure. The seat height adjustment mechanism according to claim 5, wherein the tilting structure of the locking member installed on the bearing seat is located on the upper side of the locking member, and correspondingly, the segmental lock portion opened by the fixing member The inclined structure is located on the upper side of the segmental lock portion; or, the inclined structure of the locking member installed on the fixing member is located on the lower side of the locking member, correspondingly, the segmental lock provided by the bearing seat The inclined structure of the part is located on the lower side of the segmental lock part. The seat height adjustment mechanism according to claim 2 or 3, wherein the locking member is in a sliding configuration, and the sliding direction of the locking member is staggered with the sliding direction of the bearing seat. The seat height adjustment mechanism according to claim 7, wherein the unlocking operation member and the locking member are jointly formed as an integral structure. The seat height adjustment mechanism according to claim 7, wherein the unlocking operation member and the locking member are independent of each other. The seat height adjustment mechanism according to claim 9, further comprising a traction member with flexibility, and the unlocking operation member links the locking member through the traction member. The seat height adjustment mechanism according to claim 10, wherein the first end of the traction member is connected to the release operating member installed on the frame, and the second end of the traction member is connected to the fixing member The locking piece on the connection. The seat height adjustment mechanism as described in claim 11, which additionally includes: A turntable, which is pivotally connected to the frame and has a first mounting portion and a second mounting portion distributed on both sides of the center line of the turntable, the unlocking operating member is connected with the first mounting portion, and the traction The first end of the component is connected with the second mounting part. The seat height adjustment mechanism as described in claim 12, which additionally includes: A push-pull rod is slidably arranged on the fixing member or the bearing seat along the sliding direction of the bearing seat, the second end of the traction member is installed on the push-pull rod, and the push-pull rod is linked with the locking member. The seat height adjustment mechanism according to claim 10, wherein the first end of the traction member is connected to the unlocking operating member installed on the seat, and the second end of the traction member is connected to the bearing seat The locking piece on the connection. The seat height adjustment mechanism as described in claim 14, which additionally includes: A transmission part is movably arranged on the seat, the transmission part is linked with the unlocking operation part, and the first end of the traction part is installed on the transmission part. The seat height adjustment mechanism according to claim 15, wherein the unlocking operating member and the transmission member are slidably disposed on the seat, and the sliding directions of the unlocking operation member and the transmission member intersect . The seat height adjustment mechanism according to claim 2 or 3, wherein the locking member is pivotally arranged, and the unlocking operating member and the locking member are both an integral structure. The seat height adjustment mechanism according to claim 2 or 3, wherein the locking member and the unlocking operating member are pivotally mounted on the bearing seat or the fixing member, respectively, via the pivot of the unlocking operating member Swing in conjunction with the locking member for unlocking movement. The seat height adjustment mechanism according to claim 2 or 3, wherein the segment lock portion is a slot structure. The seat height adjustment mechanism according to claim 1, wherein the bearing seat is pivotally connected to the frame about a pivot center line, and the bearing seat has at least one first spaced apart from each other along the rotation direction of the bearing seat Group of joints and a second group of joints, the distance from the first group of joints to the pivotal centerline is different from the distance from the second group of joints to the pivotal centerline, the seat is detachably mounted on the first Group connector or second group connector. The seat height adjustment mechanism according to claim 20, wherein the central angle between the first set of joints and the second set of joints is 90 degrees. A baby stroller, which contains: A seat A frame including a front foot, a rear foot and a rider, and the front foot, the rear foot and the rider can be deployed and retracted; and A seat height adjustment mechanism, which includes: A bearing seat is slidably arranged on the frame along the upper and lower directions of the frame, the seat is assembled on the bearing seat, and the bearing seat is adjusted by sliding up and down relative to the frame A height position of the seat on the frame. The baby stroller according to claim 22, wherein the bearing seat is slidably arranged on the rider, the front foot or the rear foot along the up and down direction of the frame. The baby stroller according to claim 22, wherein the seat height adjustment mechanism further includes: A locking piece; A lock release operating member, which is linked with the locking member; and A fixing piece installed on the frame, the bearing seat is slidably arranged on the fixing piece, the locking piece is installed on one of the fixing piece and the bearing seat and has at least a locked position and a unlocked position, The other of the fixing member and the bearing seat is provided with at least two positional lock portions spaced apart from each other along the sliding direction of the bearing seat, and the locking member is selectively locked with any one of the positional lock portions In the locked position, the unlocking operating member links the locking member to disengage from locking with any of the segmented lock portions, so that the locking member is in the unlocking position. The baby stroller according to claim 22, wherein the seat height adjustment mechanism further includes: At least two locking members, which are spaced apart from each other along the sliding direction of the bearing seat; A release operating member, which is simultaneously linked with the at least two locking members; and A fixing piece installed on the frame, the bearing seat is slidably arranged on the fixing piece, and the locking piece is installed on one of the fixing piece and the bearing seat to have at least a locked position and a unlocked position, The other of the fixing member and the bearing seat is provided with a segmental lock portion, any one of the locking elements is in the locked position when selectively locked with the segmental lock portion, and the unlocking operating member is linked The at least two locking pieces perform a lock releasing movement together, and any one of the locking pieces is disengaged from being locked with the segmental lock portion to be in the unlocking position. The baby stroller according to claim 24 or 25, wherein the seat height adjustment mechanism further includes: A reset elastic member is arranged on the locking member and the bearing seat or the fixing member with the locking member, and the reset elastic member always has a tendency to drive the locking member to switch from the unlocking position to the locking position. The baby stroller according to claim 26, wherein at least one of the locking member and the segmental lock portion has an inclined structure inclined with respect to the sliding direction of the bearing seat, and the bearing seat slides upward during the process In this case, the locking member is switched from the locked position to the unlocked position through the inclined structure. The baby stroller according to claim 27, wherein one of the inclined structures of the locking member installed on the bearing seat is located on the upper side of the locking member, and correspondingly, one of the segmental locking portions of the fixing member is inclined The structure is located on the upper side of the segmental lock portion; or, the inclined structure of the lock piece installed on the fixing piece is located on the lower side of the lock piece, correspondingly, the tilted structure of the segmental lock portion opened by the bearing seat The structure is located on the lower side of the lock section. The baby stroller according to claim 24 or 25, wherein the locking member is in a sliding configuration, and the sliding direction of the locking member is staggered with the sliding direction of the bearing seat. The baby stroller according to claim 29, wherein the unlocking operating member and the locking member are in an integrated structure, and the seat and the bearing base are detachably assembled. The baby stroller according to claim 29, wherein the seat height adjustment mechanism further includes a flexible traction member, the unlocking operating member and the locking member are independent of each other, and the unlocking operating member passes through The traction member is linked to the locking member. The baby stroller according to claim 31, wherein the first end of the traction member is connected with the unlocking operating member installed on the rider, and the second end of the traction member is connected with the fixing member installed on the The locking piece is connected. The baby stroller according to claim 32, wherein the seat height adjustment mechanism further includes: A turntable, which is pivotally connected to the driver, the turntable has a first mounting portion and a second mounting portion distributed on both sides of the center line of the turntable, the unlocking operating member is connected with the first mounting portion, the The first end of the traction element is connected with the second mounting part, and the seat is detachably assembled with the bearing seat. The baby stroller according to claim 33, wherein the seat height adjustment mechanism further includes: A push-pull rod is slidably arranged on the fixing member or the bearing seat along the sliding direction of the bearing seat, the second end of the traction member is installed on the push-pull rod, and the push-pull rod is linked with the locking member. The baby stroller according to claim 31, wherein the seat height adjustment mechanism further includes: A transmission member movably arranged on the seat, the transmission member is linked with the release operating member, the first end of the traction member is mounted on the transmission member, and the second end of the traction member is mounted on the carrier The locking piece on the seat is connected. The stroller according to claim 35, wherein the unlocking operating member and the transmission member are slidably disposed on the seat, and the sliding directions of the unlocking operation member and the transmission member intersect. The baby stroller according to claim 24 or 25, wherein the locking member is pivotally arranged, and the unlocking operation member and the locking member are both an integral structure. The baby stroller according to claim 24 or 25, wherein the locking member and the unlocking operating member are pivotally mounted on the carrier or the fixing member, respectively, and are pivoted by the unlocking operating member Link the locking piece to perform a lock release movement. The baby stroller according to claim 22, wherein the bearing seat is pivotally connected to the frame about a pivot centerline, and the bearing seat is at least spaced apart from each other along the rotation direction of the bearing seat and has a first set of joints And a second set of joints, the distance from the first set of joints to the pivoting centerline is different from the distance from the second set of joints to the pivoting centerline, and the seat is detachably mounted on the first set of joints Or the second set of connectors.

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