CN220615924U - Locking device and baby carrier with same - Google Patents

Abstract

The utility model belongs to the technical field of children products, and relates to a locking device and a baby carrier with the same, wherein a first installation part and a second installation part are respectively arranged at two sides of the locking device, the first installation part is used for being connected with a child carrier, and the second installation part is used for being connected with a frame; the first locking component is used for locking and fixing the child carrier; the first unlocking driving assembly is connected with the first locking assembly and is used for enabling the first locking assembly to be switched from a locking state to an unlocking state relative to the child carrier; the linkage reset component is connected with the first locking component, so that the first locking component can be reset from an unlocking state to a locking state; when the first locking component is in an unlocking state, the linkage reset component is used for enabling the first locking component to be kept in the unlocking state and limiting the first locking component to be converted into a locking state; the first locking component is kept in an unlocking state through the linkage resetting component, so that a user can directly detach the child carrier from the frame, and other child carriers can be replaced conveniently.

Description

Locking device and baby carrier with same

Technical Field

The utility model relates to the technical field of children products, in particular to a locking device and a baby carrier with the same.

Background

Child strollers are "vehicles" for infants that require someone to assist in pushing or pulling the walk. In the market, the children's carts can be roughly divided into luxury suitable for general families and long-time use when going out according to function use, and portable suitable for frequent going out, and also a tricycle convenient for guardianship outdoor exercises.

Child carriers such as child seats and lifting baskets are generally installed on the child trolley for children, and a detachable locking mechanism for installing the child carriers such as the child seats is generally arranged in the existing child trolley.

The utility model is researched and proposed for overcoming the defects of the prior art.

Disclosure of Invention

The utility model provides a locking device and a baby carrier with the same, aiming at the problems that the disassembly process of a detachable locking mechanism in the existing baby carrier is complex, the operation is troublesome, and the quick replacement of different child carriers is not easy to use.

The technical scheme adopted for solving the technical problems is as follows:

a locking device, comprising: the first installation part and the second installation part are respectively arranged at two sides of the locking device, the first installation part is used for being connected with the child carrier, the second installation part is used for being connected with the frame, and the first installation part and the second installation part are respectively integrated with the locking device into a whole; the first locking assembly is used for locking and fixing the child carrier; the first unlocking driving assembly is connected with the first locking assembly and is used for enabling the first locking assembly to be switched from a locking state to an unlocking state relative to the child carrier; the linkage reset assembly is connected with the first locking assembly and can reset the first locking assembly from an unlocking state to a locking state; when the first locking component is in an unlocking state, the linkage reset component is used for enabling the first locking component to be kept in the unlocking state and limiting the first locking component to be switched to a locking state.

The locking device comprises a first shell, wherein the first locking component comprises a moving member which is arranged in the first shell in a lifting manner and a first slot which is arranged in the moving member and faces to the outer side of the first shell, a second slot which is communicated with the first slot is arranged in the first shell, the first unlocking driving component drives the moving member to move downwards in the first shell and drives the first slot to move downwards relative to the second slot, and the first slot and the second slot are staggered, so that the first locking component is switched to an unlocking state.

According to the locking device, the first elastic piece connected with the moving component is arranged in the first shell and used for enabling the moving component to move upwards in the first shell to reset and driving the first groove to move upwards relative to the second groove to align with the second groove, so that the first locking component is converted into a locking state.

The first unlocking driving assembly comprises a first unlocking key which is installed in the first shell in a lifting mode, the first unlocking key is connected with the moving component, and the first unlocking key is used for driving the moving component to move up and down in the first shell.

The locking device comprises a locking rod connected with a moving member, and a second elastic piece arranged between the locking rod and the moving member, wherein a first limiting part corresponding to the locking rod is arranged in a first shell, the moving member moves downwards in the first shell through a first unlocking driving assembly so as to drive the locking rod to move downwards relative to the first limiting part, the locking rod is ejected to be abutted to the bottom of the first limiting part through the second elastic piece, and the first locking assembly is kept in an unlocking state through the first limiting part.

The locking device comprises the first limiting part, the second limiting part and the locking rod, wherein the first limiting part comprises the baffle plate arranged in the first shell and close to the top of the first shell, and the limiting groove is used for accommodating the locking rod, the limiting groove is formed in the first shell, the lower part of the baffle plate is further provided with the ejection opening communicated with the limiting groove, and when the locking rod moves downwards relative to the baffle plate through the moving member, the locking rod is ejected through the ejection opening through the second elastic piece and is abutted to the bottom of the baffle plate.

According to the locking device, the protruding block is arranged on the outer side of the locking rod, the first guiding portion is arranged at the bottom of the protruding block, when the locking rod is ejected out through the second elastic piece, the protruding block is ejected to the outer side of the baffle plate along with the locking rod, and the locking rod can be retracted into the limiting groove inwards by the aid of the first guiding portion under the action of external force.

The utility model also provides a baby carrier with the locking device, which comprises a frame and a child carrier, wherein the frame comprises the locking device, the child carrier is connected to the frame through the locking device, the child carrier comprises a third mounting part correspondingly connected with the first mounting part, and the frame also comprises a fourth mounting part correspondingly connected with the second mounting part.

A stroller as described above having a latch arrangement further comprising a second unlocking drive assembly for unlocking the second mount from the fourth mount, the second unlocking drive assembly being connected to the second mount.

The baby carrier with the locking device comprises a first installation part, a plurality of locking devices and a plurality of sliding blocks, wherein the locking devices are arranged on the upper side of the first installation part, the locking devices are arranged at intervals along the height direction of the locking devices, the child carrier further comprises the sliding blocks which can stretch out and draw back inside and outside the third installation part, and the locking devices are matched with the sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first locking component is kept in an unlocking state through the linkage resetting component, so that a user can directly detach the child carrier from the frame, and other child carriers can be replaced conveniently;

2. the first locking component is driven to unlock by one key through the first unlocking driving component and can be detached through the first mounting part, so that the child carrier can be detached easily, and in the process of detaching the child carrier, the linkage resetting component can enable the first locking component to be converted into a locking state from an unlocking state by external force, so that the child carrier can be quickly mounted and fixed, the operation is simple and convenient, the time and the labor are saved, and the child carrier can be replaced by a user according to the requirements;

3. through setting up first installation department and second installation department respectively with locking device as integrated into one piece structure, strengthened locking device's overall structure stability makes locking device easy dismouting, and integrated into one piece simple process has reduced locking device's manufacturing cost, has improved locking device's production efficiency.

The utility model will be further described with reference to the drawings and detailed description.

Drawings

FIG. 1 is a perspective view of a locking device of the present utility model;

FIG. 2 is a second perspective view of the locking device of the present utility model;

FIG. 3 is a perspective view of a locking device of the present utility model;

FIG. 4 is an exploded view of the locking device of the present utility model;

FIG. 5 is a second exploded view of the locking device of the present utility model;

FIG. 6 is a top view of the locking device of the present utility model;

FIG. 7 is a cross-sectional view A-A in FIG. 5;

FIG. 8 is a second cross-sectional view A-A in FIG. 5;

FIG. 9 is a perspective view of the frame of the present utility model;

fig. 10 is an enlarged view of a portion B in fig. 9;

fig. 11 is a perspective view of a child carrier of the present utility model.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 11, the present utility model provides a locking device, comprising: the first mounting part 14 and the second mounting part 15 are respectively arranged at two sides of the locking device 1, the first mounting part 14 is used for being connected with the child carrier 3, the second mounting part 15 is used for being connected with the frame 2, and the first mounting part 14 and the second mounting part 15 are respectively integrated with the locking device 1 into a whole; a first locking assembly 11 for locking and fixing the child carrier 3; the first unlocking driving assembly 12 is connected with the first locking assembly 11, and the first unlocking driving assembly 12 is used for enabling the first locking assembly 11 to be converted from a locking state to an unlocking state relative to the child carrier 3; a linkage reset component 13, which is connected with the first locking component 11, wherein the linkage reset component 13 can reset the first locking component 11 from an unlocking state to a locking state; the linkage reset assembly 13 is configured to maintain the first locking assembly 11 in an unlocked state and to limit the first locking assembly 11 from being transferred to a locked state when the first locking assembly 11 is in an unlocked state.

As shown in fig. 1-8, the first locking assembly 11 in fig. 2 and 7 is in a locked state, the first locking assembly 11 in fig. 3 and 8 is in an unlocked state, in this embodiment, the locking device 1 is installed in a stroller, and the child carrier 3 such as a child seat, a child basket, etc. can be installed on the stroller through the locking device 1, in this embodiment, the child seat is illustrated by taking the child seat as an example, and the first installation portion 14 is detachably connected with the child seat, and the child seat is locked and fixed by the first locking assembly 11, so that the child seat is more stable when being installed or detached, in practical application, the first locking assembly 11 has a locked state and an unlocked state for the child seat, and when the first locking assembly 11 is in the locked state, the child seat can be stably installed in the stroller for use by a child, so as to promote the use safety and comfort of the child, and is convenient for a guardian to carry the child when going out; when the user manually drives the first unlocking driving component 12, the first locking component 11 can be converted from the locking state to the unlocking state, at this time, the user can lift the child carrier 3 to move upwards relative to the frame 2 and can detach the child carrier 3, the first locking component 11 is kept in the unlocking state through the linkage resetting component 13, so that the user can detach the child seat from the frame 2 directly, and the other child carriers 3 such as child carrier can be replaced conveniently, the first locking component 11 is driven by the first unlocking driving component 12 to be unlocked by one key, and can be detached through the first mounting part 14, so that the child carrier 3 can be detached easily, and in the process of detaching the child carrier 3, the linkage resetting component 13 can enable the first locking component 11 to be converted from the unlocking state to the locking state by external force, so that the child carrier 3 is convenient to install and fix quickly, time and labor are saved, the user can replace different child carriers 3 according to requirements, the preferred locking device 1 is suitable for multiple universal carriers 3, and the device is convenient to install the universal carrier with strong daily use; in addition, through setting up first installation department 14 and second installation department 15 respectively with locking device as integrated into one piece structure, strengthened locking device 1's overall structure stability makes locking device 1 easy dismouting, and integrated into one piece simple process has reduced locking device 1's manufacturing cost, has improved locking device 1's production efficiency.

Specifically, the locking device 1 includes a first housing 16, the first locking assembly 11 includes a moving member 111 disposed in the first housing 16 in a liftable manner, and a first slot 112 disposed in the moving member 111 and facing the outside of the first housing 16, a second slot 161 communicating with the first slot 112 is disposed in the first housing 16, and the first unlocking driving assembly 12 drives the moving member 111 to move downward in the first housing 16, and drives the first slot 112 to move downward relative to the second slot 161, so that the first slot 112 and the second slot 161 are staggered, so that the first locking assembly 11 is switched to an unlocking state. Further, a first elastic element 113 connected to the moving member 111 is disposed in the first housing 16, and the first elastic element 113 is configured to move the moving member 111 upward in the first housing 16 and return, and drive the first slot 112 to move upward relative to the second slot 161 to align with the second slot 161, so as to switch the first locking assembly 11 to a locking state.

As shown in fig. 2 and 3, in the present embodiment, the first mounting portion 14 and the second mounting portion 15 are respectively disposed on two side surfaces of the first housing 16, and the first mounting portion 14 and the second mounting portion 15 are respectively formed integrally with the first housing 16, so that structural stability of the first housing 16 is enhanced, the first housing 16 is easy to assemble and disassemble, and production efficiency of the first housing 16 is improved; the first housing 16 is provided with a moving space in which the moving member 111 moves up and down and is communicated with the outside, the moving member 111 is installed in the moving space, and the first slot 112 and the second slot 161 face to one side of the child carrier 3, so as to facilitate direct connection of the child carrier 3; preferably, a sliding block capable of transversely extending and retracting is provided in the child carrier 3, when the first locking assembly 11 is in a locking state, the first slot 112 and the second slot 161 are aligned and combined to form a positioning slot 101, the positioning slot 101 is matched with the sliding block, so that the sliding block can be fixed in the positioning slot 101, and the first locking assembly 11 locks the child carrier 3, further preferably, two sides of the first slot 112 are provided with the second slot 161; when the moving member 111 moves down in the first housing 16 through the first unlocking driving assembly 12, the moving member 111 drives the first slot 112 to move down relative to the second slot 161, so that the first slot 112 is staggered with the second slot 161, at this time, the first locking assembly 11 is in an unlocked state, as shown in fig. 2 and 3, preferably, a first guiding inclined plane 1121 located at the upper part of the first slot 112 is provided in the moving member 111, during the moving down of the first slot 112, the sliding block is pushed by the first guiding inclined plane 1121, and meanwhile, as the second slot 161 moves down relative to the first slot 112, a wall body located at the upper part of the second slot 161 in the first housing 16 is formed to block the sliding block from being inserted into the second limiting part of the positioning slot 101, so that the sliding block keeps contracting toward the child carrier 3 to disengage from the positioning slot 101, thereby enabling the child carrier 3 to be disassembled from the first locking assembly 11; moreover, a first elastic piece 113 is disposed in the first housing 16, the first elastic piece 113 is connected to the lower portion of the moving member 111, when the linkage reset assembly 13 is released from the restriction on the first locking assembly 11 by an external force, the moving member 111 can automatically move upwards and reset in the first housing 16 through the first elastic piece 113, so as to drive the first slot 112 to move upwards relative to the second slot 161 to align with the corresponding second slot 161, and when the user installs the child carrier 3 again, the slider can directly extend into the aligned first slot 112 and second slot 161, so that the child carrier 3 is fixed in the frame 2; through the arrangement, a user only needs to manually drive the first unlocking driving assembly 12 to unlock the child carrier 3 by the first locking assembly 11, so that the child carrier 3 can be detached from the frame 2, the operation is simple, convenient and quick, the first locking assembly 11 has a memory property, and is automatically reset to a lockable state through the first elastic piece 113, the design is ingenious, the structure is simple, the production and implementation are easy, and preferably, the first elastic piece 113 adopts a reset spring, the acquisition is easy, and the production cost is low; further preferably, a plurality of first slots 112 may be disposed in the moving member 111, the first slots 112 are disposed in the moving member 111 at vertical intervals, and a second slot 161 corresponding to each first slot 112 may be disposed in the first housing 16, so that the child carrier 3 moves up and down relative to the locking device 1 under an external force, and drives the slider to move up and down relative to the first slots 112 and the second slots 161, and when the first locking assembly 11 is in a locked state, the first slots 112 and the second slots 161 are aligned and form positioning slots 101 corresponding to the slider and fastened and fixed, and by disposing the first slots 112 and the second slots 161 in multiple stages, the mounting height of the child carrier 3 can be adjusted, thereby increasing the functionality of the frame 2, and further optimizing the user experience.

Further, the first unlocking driving assembly 12 includes a first unlocking key 121 installed in the first housing 16 in a liftable manner, the first unlocking key 121 is connected to the moving member 111, and the first unlocking key 121 is used for driving the moving member 111 to move up and down in the first housing 16. As shown in fig. 7 and 8, in the present embodiment, the first unlocking key 121 is connected to the upper portion of the moving member 111 and is close to the top of the first housing 16, and the first unlocking key 121 is exposed on a side facing the human body, so as to be convenient for a user to operate, and the first unlocking key 121 is driven by manpower to move down in the first housing 16, and the moving member 111 is driven to move down in the first housing 16, so that the first locking assembly 11 is converted from the locking state to the unlocking state, thereby realizing one-key unlocking, and having simple operation and time and labor saving; when resetting, the moving member 111 moves upwards in the first housing 16 through the first elastic piece 113 to reset, and drives the first unlocking key 121 to move upwards to reset, so that the first unlocking key 121 can be automatically reset, the operation is simple and convenient, and the user experience is further optimized; in other embodiments, the first unlocking key 121 and the moving member 111 are integrally formed, so that the overall structural stability of the first unlocking key 121 and the moving member 111 is enhanced, and the structure is simple, and the production and implementation are easy, so as to be beneficial to improving the production and manufacturing efficiency; further preferably, a first connection portion 1211 is provided in the first unlocking key 121, a second connection portion 163 corresponding to the first connection portion 1211 is provided in the first housing 16, and the first connection portion 1211 is slidably inserted into the second connection portion 163, so as to realize lifting connection of the first unlocking key 121, and the structure is simple and easy to produce and implement; in other embodiments, the first connecting portion 1211 is configured as a groove or a plugboard, the second connecting portion 163 is correspondingly configured as a plugboard or a groove, and the depth of the groove is greater than the height of the plugboard, so as to provide sufficient moving space for the lifting process of the first unlocking key 121.

Specifically, the linkage reset assembly 13 includes a lock rod 131 connected to the moving member 111, and a second elastic element 132 disposed between the lock rod 131 and the moving member 111, a first limiting portion 162 corresponding to the lock rod 131 is disposed in the first housing 16, the moving member 111 moves downward in the first housing 16 through the first unlocking driving assembly 12, so as to drive the lock rod 131 to move downward relative to the first limiting portion 162, and the lock rod 131 ejects to abut against the bottom of the first limiting portion 162 through the second elastic element 132, so that the first locking assembly 11 is kept in the unlocked state through the first limiting portion 162. Further, the first limiting portion 162 includes a baffle plate 1621 disposed in the first housing 16 and close to the top of the first housing 16, and a limiting groove 1622 for accommodating the lock rod 131, where the limiting groove 1622 is disposed inside the first housing 16, and an ejecting port 1623 communicating with the limiting groove 1622 is further disposed at a lower portion of the baffle plate 1621, and when the lock rod 131 moves downward relative to the baffle plate 1621 through the moving member 111, the lock rod 131 is ejected through the ejecting port 1623 by the second elastic member 132 and abuts against a bottom of the baffle plate 1621.

As shown in fig. 4, 5, 7 and 8, in this embodiment, the lock bar 131 is mounted on the upper portion of the moving member 111 and is located at one side of the first unlocking button 121, preferably, the lock bar 131 is pivoted with the moving member 111 so that the lock bar 131 can rotate to a certain extent relative to the moving member 111, a second elastic part 132 is disposed between the lock bar 131 and the moving member 111, when the first locking assembly 11 is in the locked state, the first slot 112 is aligned with the second slot 161, at this time, the lock bar 131 is placed in the limit slot 1622 and abuts against the inner wall of the baffle 1621, so that the second elastic part 132 stores energy, when the first locking assembly 11 is switched to the unlocked state, the moving member 111 moves down in the first housing 16 and drives the lock bar 131 to move down to the ejection port 1623 relative to the baffle 1621, at this time, the lock bar 131 is ejected outwards by the elastic force of the second elastic part 132, and the top of the lock bar 131 abuts against the bottom of the baffle 131 to the bottom of the baffle plate 1621, so that the first locking assembly is better removed by the baffle plate 1621, and the user is kept in the unlocked state by the baffle plate 111; the integral structure of the linkage reset assembly 13 is simple, the production and implementation are easy, and further preferably, the second elastic piece 132 adopts a torsion spring, so that the linkage reset assembly is easy to obtain, the production cost is low, and the assembly is easy; the limiting groove 1622 is preferably provided as a part of the moving space in the first housing 16, simplifying the structure of the first limiting part 162 and reducing the production cost.

Further, a protrusion 1311 is disposed on the outer side of the lock rod 131, a first guiding portion 1312 is disposed at the bottom of the protrusion 1311, when the lock rod 131 ejects through the second elastic member 132, the protrusion 1311 follows the lock rod 131 to eject to the outer side of the baffle 1621, and the first guiding portion 1312 is capable of enabling the lock rod 131 to retract into the limiting groove 1622 under external force. As shown in fig. 2, 3, 7, and 8, in this embodiment, when the first locking assembly 11 is in the unlocked state, the user pulls the child carrier 3 upward relative to the frame 2 to directly detach the child carrier 3, at this time, the lock rod 131 abuts against the bottom of the baffle 1621, the boss 1311 is located at the outer side of the baffle 1621, during the upward movement of the child carrier 3, the child carrier 3 contacts with the boss 1311, the boss 1311 is pushed by the child carrier 3 and guided by the first guide portion 1312 to reversely rotate and retract into the limit groove 1622 by the lock rod 131, at this time, the moving member 111 can drive the lock rod 131 to move upward and reset by the first elastic member 113, so that the first locking assembly 11 is switched from the unlocked state to the locked state, so as to facilitate the quick installation of the child carrier 3, and has simple operation without additional reset operation, and saves time and labor in daily use, thereby optimizing the user experience; further preferably, a side surface of the child carrier 3 opposite to the protrusion 1311 may be provided with a second guiding portion corresponding to the first guiding portion 1312, so as to ensure that the first guiding portion 1312 operates smoothly, and the first guiding portion 1312 and the second guiding portion are preferably provided as guiding slopes adapted to each other, which is simple in structure and easy to manufacture and implement.

As shown in fig. 9-11, the present utility model further provides a stroller with a locking device, comprising a frame 2 and a child carrier 3, wherein the frame 2 comprises the locking device 1 as described above, the child carrier 3 is connected to the frame 2 by the locking device 1, the child carrier 3 comprises a third mounting portion 31 correspondingly connected to the first mounting portion 14, and the frame 2 further comprises a fourth mounting portion 21 correspondingly connected to the second mounting portion 15. Further, the locking device 1 further comprises a second unlocking driving assembly 17 for unlocking the second mounting portion 15 to the fourth mounting portion 21, and the second unlocking driving assembly 17 is connected to the second mounting portion 15.

As shown in fig. 1, 2, 3, 10, and 11, in this embodiment, the third mounting portion 31 is correspondingly inserted into the first mounting portion 14, so that the child carrier 3 is detachably connected to the locking device 1; the second mounting part 15 and the fourth mounting part 21 are correspondingly inserted and connected, so that the locking device 1 is detachably mounted on the frame 2; specifically, the first mounting portion 14 is located on the same side as the first slot 112 and the second slot 161, the first mounting portion 14 includes a protrusion 141 disposed on the left and right sides of the side surface of the first housing 16, the two protrusions 141 are spaced apart from each other and form a first accommodating space 142, the third mounting portion 31 includes a first connecting section 311 disposed on the left and right sides of the side surface of the child carrier 3, the two first connecting sections 311 are disposed opposite to each other, the ends of the two first connecting sections 311 are respectively provided with a second connecting section 312, the two second connecting sections 312 extend in opposite directions for a certain distance and are disposed at intervals, the two second connecting sections 312 are spaced apart from each other and form a second accommodating space 313 with respect to the child carrier 3, the upper and lower ends of the third mounting portion 31 are open ends, the first accommodating space 142 is used for accommodating the two second connecting sections 312 correspondingly, the second accommodating space 313 is configured to accommodate the protruding strip 141, and further preferably, the bottom of the first mounting portion 14 is further provided with a supporting portion 164, when assembled, the second connecting section 312 is movably inserted into the first accommodating space 142, and the protruding strip 141 is movably inserted into the second accommodating space 313, a first blocking structure for limiting the relative lateral movement of the first mounting portion 14 and the third mounting portion 31 is formed between the second connecting section 312 and the protruding strip 141, the third mounting portion 31 is slidably inserted into the first mounting portion 14 up and down through the third mounting portion 31, so that the child carrier 3 is slidably inserted into the locking device 1 up and down, the supporting portion 164 is configured to limit the downward movement distance of the child carrier 3 relative to the locking device 1, and the mounting manners of the first mounting portion 14 and the third mounting portion 31 are simple, easy dismouting, stable structure when using.

Further, the second mounting portion 15 and the first mounting portion 14 are located on different sides, specifically, the second mounting portion 15 is located at the lower side of the first unlocking key 121, the second mounting portion 15 includes a first sliding rail portion 151 and a second sliding rail portion 152 that are oppositely disposed, the fourth mounting portion 21 is located in the frame 2 and corresponds to the second mounting portion 15, the fourth mounting portion 21 includes a second housing 211 connected to the frame 2, a locking block 214 that is transversely telescopically connected to the second housing 211, a third sliding rail portion 212 and a fourth sliding rail portion 213 that are disposed at the lower side of the locking block 214, the third sliding rail portion 212 is similar to the first mounting portion 14 in structure, the first sliding rail portion 151 and the second sliding rail portion 152 are similar to the third mounting portion 31 in structure, during assembly, the first sliding rail portion 151 and the third sliding rail portion 212, the second sliding rail portion 152 and the fourth sliding rail portion 213 respectively correspond, and the first sliding rail portion 212 and the second sliding rail portion 212 are connected to each other in a transversely telescopic manner, and the fourth sliding rail portion 21 are blocked by the structure of the fourth mounting portion 1 are easily connected to each other in a relatively stable manner.

Still further, the locking device 1 further comprises a second unlocking driving assembly 17 for unlocking the second mounting portion 15 to the fourth mounting portion 21, and the second unlocking driving assembly 17 is connected to the second mounting portion 15. As shown in fig. 1, 4, 5, 7 and 8, in this embodiment, in order to enhance the connection stability between the second mounting portion 15 and the fourth mounting portion 21, the second unlocking driving assembly 17 is specifically provided, the second unlocking driving assembly 17 is disposed in the first housing 16 and is connected to the upper side of the second mounting portion 15, the second unlocking driving assembly 17 includes a second unlocking button 171 slidably connected in the first housing 16, a third elastic member 172 disposed in the first housing 16 and connected to the second unlocking button 171, the second unlocking button 171 extends out of the first housing 16 to facilitate the user operation, a locking groove 173 adapted to the locking piece 214 is formed between the lower portion of the second unlocking button 171 and the first housing 16, a second guiding inclined plane 2141 is disposed at the top of the locking piece 214, when assembled, the second mounting portion 15 is movably inserted into the fourth mounting portion 21 so that the locking device 1 is detachably mounted on the frame 2, the second unlocking button 171 extends out of the first housing 16 to facilitate the user operation, and when the second unlocking button 171 is inserted into the second mounting portion 173, the second mounting portion 21 is easily removed from the frame 2, and the locking device is easily mounted on the frame 2 by pressing the second mounting portion 173, and the locking device is easily removed from the second mounting portion 214 by the second mounting portion is easily and released from the second mounting portion 21; the third elastic member 172 is configured to enable the second unlocking button 171 to move upwards and reset, so that the second unlocking button 171 can automatically reset, time and effort are saved, and preferably, the third elastic member 172 adopts a spring, which is easy to obtain, and has low production cost.

Preferably, the locking device 1 further includes a positioning groove 101 located at an upper side of the first mounting portion 14, the positioning grooves 101 are provided with a plurality of positioning grooves and are distributed at intervals along a height direction of the locking device 1, the child carrier 3 further includes a sliding block that is retractable inside and outside the third mounting portion 31, and the positioning grooves 101 are adapted to the sliding block. As shown in fig. 2 and fig. 3, in this embodiment, the positioning groove 101 is formed by combining the first groove position 112 and the second groove position 161, and the positioning groove 101 is adapted to the slide block, specifically, a plurality of first groove positions 112 may be disposed in the moving member 111, the first groove positions 112 are disposed in the moving member 111 at vertical intervals, a second groove position 161 corresponding to each first groove position 112 may be disposed in the first housing 16, the child carrier 3 moves up and down relative to the locking device 1 under an external force, and drives the slide block to move up and down relative to the first groove position 112 and the second groove position 161, when the first locking assembly 11 is in a locked state, the first groove position 112 aligns with the second groove position 161 and forms a positioning groove 101 that is correspondingly fastened and fixed with the slide block, and through the disposed first groove positions 112 and second groove positions 161, the child carrier 3 can adjust the mounting height in the stroller, thereby increasing the functionality of the stroller frame 2, and further optimizing the user experience; and when the child carrier 3 moves up and down relative to each positioning groove 101 under external force, the third mounting portion 31 is slidably inserted on the first mounting portion 14, so that stability of adjusting the mounting height of the child carrier 3 is enhanced, and the child carrier is not easy to fall off, thereby being beneficial to protecting safety of children.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. A locking device, comprising:

the first installation part (14) and the second installation part (15) are respectively arranged at two sides of the locking device (1), the first installation part (14) is used for being connected with the child carrier (3), the second installation part (15) is used for being connected with the frame (2), and the first installation part (14) and the second installation part (15) are respectively integrated into a whole with the locking device (1);

a first locking assembly (11) for locking and fixing the child carrier (3);

the first unlocking driving assembly (12) is connected with the first locking assembly (11), and the first unlocking driving assembly (12) is used for enabling the first locking assembly (11) to be switched from a locking state to an unlocking state relative to the child carrier (3);

the linkage reset assembly (13) is connected with the first locking assembly (11), and the linkage reset assembly (13) can reset the first locking assembly (11) from an unlocking state to a locking state;

when the first locking component (11) is in an unlocking state, the linkage reset component (13) is used for enabling the first locking component (11) to be kept in the unlocking state and limiting the first locking component (11) to be switched to the locking state.

2. A locking device according to claim 1, wherein the locking device (1) comprises a first shell (16), the first locking assembly (11) comprises a moving member (111) arranged in the first shell (16) in a lifting manner, a first groove (112) arranged in the moving member (111) and facing to the outer side of the first shell (16), a second groove (161) communicated with the first groove (112) is arranged in the first shell (16), the first unlocking driving assembly (12) drives the moving member (111) to move downwards in the first shell (16) and drives the first groove (112) to move downwards relative to the second groove (161), so that the first groove (112) is staggered with the second groove (161) to enable the first locking assembly (11) to be switched to an unlocking state.

3. A locking device according to claim 2, wherein a first elastic member (113) connected to the moving member (111) is provided in the first housing (16), and the first elastic member (113) is configured to move the moving member (111) upward in the first housing (16) and return the first slot (112) to an alignment with the second slot (161) relative to the second slot (161), so as to switch the first locking assembly (11) to the locked state.

4. A locking device according to claim 2, wherein the first unlocking driving assembly (12) comprises a first unlocking key (121) which is liftably mounted in the first housing (16), the first unlocking key (121) being connected to the moving member (111), the first unlocking key (121) being adapted to drive the moving member (111) to move up and down in the first housing (16).

5. A locking device according to claim 2, wherein the linkage resetting assembly (13) comprises a lock rod (131) connected with the moving member (111), and a second elastic piece (132) arranged between the lock rod (131) and the moving member (111), a first limiting part (162) corresponding to the lock rod (131) is arranged in the first shell (16), the moving member (111) moves downwards in the first shell (16) through the first unlocking driving assembly (12) so as to drive the lock rod (131) to move downwards relative to the first limiting part (162), the lock rod (131) ejects to be abutted to the bottom of the first limiting part (162) through the second elastic piece (132), and the first locking assembly (11) is kept in the unlocking state through the first limiting part (162).

6. The locking device according to claim 5, wherein the first limiting portion (162) comprises a baffle plate (1621) disposed in the first housing (16) and close to the top of the first housing (16), and a limiting groove (1622) for accommodating the lock rod (131), the limiting groove (1622) is disposed in the first housing (16), and an ejecting port (1623) communicating with the limiting groove (1622) is further disposed at the lower portion of the baffle plate (1621), and when the lock rod (131) moves downward relative to the baffle plate (1621) by the moving member (111), the lock rod (131) ejects through the ejecting port (1623) by the second elastic member (132) and abuts against the bottom of the baffle plate (1621).

7. The locking device according to claim 6, wherein a protrusion (1311) is provided on the outer side of the lock rod (131), a first guiding portion (1312) is provided at the bottom of the protrusion (1311), and when the lock rod (131) is ejected by the second elastic member (132), the protrusion (1311) follows the lock rod (131) to be ejected to the outer side of the baffle plate (1621), and the first guiding portion (1312) is capable of enabling the lock rod (131) to be retracted into the limiting groove (1622) by an external force.

8. Child vehicle with locking device, comprising a frame (2) and a child carrier (3), characterized in that the frame (2) comprises a locking device (1) according to any one of claims 1-7, the child carrier (3) is connected to the frame (2) by means of the locking device (1), the child carrier (3) comprises a third mounting part (31) correspondingly connected to the first mounting part (14), the frame (2) further comprises a fourth mounting part (21) correspondingly connected to the second mounting part (15).

9. A stroller according to claim 8, wherein the locking device (1) further comprises a second unlocking drive assembly (17) for unlocking the second mounting part (15) from the fourth mounting part (21), the second unlocking drive assembly (17) being connected to the second mounting part (15).

10. A stroller as claimed in claim 8, characterized in that the locking device (1) further comprises a positioning groove (101) located at the upper side of the first mounting portion (14), the positioning grooves (101) are provided in a plurality and are distributed at intervals along the height direction of the locking device (1), and the child carrier (3) further comprises a sliding block which is telescopic inside and outside the third mounting portion (31), and the positioning groove (101) is adapted to the sliding block.