CN203391844U - Infant carrier and safety lock device thereof - Google Patents

Abstract

The utility model discloses a safety lock device in the technical field of children's equipment, which is used to be installed on a child carrier to lock or unlock the child carrier. The child carrier includes a support member and a support tube pivotally connected to the support member. The safety lock device includes a frame locking mechanism and a second safety lock mechanism. The second safety lock mechanism includes a release button slidably arranged on the support member and a clamping part drivingly connected to the release button. One of the frame locking mechanism and the support tube is provided with a clamping hole matched with the clamping part. The release button drives the clamping part to engage or disengage with the clamping hole. The whole operation is simple and convenient. The utility model also discloses a child carrier with the safety lock device.

Description

Baby carrier and its safety lock device

technical field

The utility model relates to the technical field of children's equipment, in particular to a baby carrier and a safety lock device thereof.

Background technique

As people pay more and more attention to children, as a stroller that accompanies children to grow up happily, people have higher and higher requirements for the use and performance of the stroller. In terms of safety, the folding function in the stroller is a very important part. There are quite a lot of potential safety hazards because the sudden activation of the folding function will cause harm to the baby. Therefore, for this point, some babies The car is equipped with a second safety lock for the retractable mechanism. When the stroller is improperly activated due to accidental touch, the second safety lock can still lock the folding mechanism of the stroller, so that the stroller will not be folded accidentally.

At present, the folding mechanisms of baby strollers on the market are generally divided into two categories: 1. Traditional folding, which folds the front and back and stands up. Usually, it is a dual-purpose trolley, which is a square shape after folding; 2. Folding left and right and then folding up and down. It is usually an umbrella car, and it is a slender shape after being folded. Among them, some traditional strollers are still equipped with a second safety lock on the frame of the stroller. When the unfolded frame needs to be folded, it is necessary to release the second safety lock before operating the release mechanism. Release the lock of the frame body to prevent accidental folding caused by accidentally touching the release mechanism.

However, in the prior art, the second safety lock of the folding mechanism of the baby carriage is mostly an unlocking handle arranged at the rear or on the top of the frame. Release the lock and fold the unfolded frame normally. Therefore, the baby carriage folding mechanism is cumbersome and laborious to operate when unlocking the frame body of the baby carriage.

Utility model content

The purpose of this utility model is to provide a safety lock device, which is more convenient for releasing the lock of the infant carrier, so that the folding of the infant carrier is convenient and fast, and at the same time, the safety lock device can prevent the infant carrier from Accidentally release the lock and fold, which improves the safety performance of the toddler carrier.

Another object of the present utility model is to provide a baby carrier with a safety lock device. The safety lock device of the baby carrier is more convenient for releasing the baby carrier, so that the unfolded baby carrier can be folded conveniently and quickly. In addition, it can prevent the accidental unlocking and closing of the baby carrier, thereby improving the safety performance of the baby carrier.

In order to achieve the above purpose, the technical solution of the present utility model is to provide a safety lock device, which is used to be installed on a baby carrier to lock or release the baby carrier. The baby carrier includes a support and a A support tube pivotally connected to the support, the safety lock device includes a frame locking mechanism and a second safety lock mechanism, and the second safety lock mechanism includes a release button slidably arranged on the support and an engaging part drivingly connected with the release button, one of the frame locking mechanism and the support tube is provided with a locking hole matched with the engaging part, and the release button drives the The engaging part and the locking hole engage or disengage from each other; the whole operation is simple and convenient

Preferably, the frame body locking mechanism includes a release webbing, a sliding pin slidably arranged on the support, and the sliding pin can optionally cooperate with the support to limit the rotation of the support tube, the The release webbing is connected with the sliding pin to operate the sliding pin to slide relative to the support member.

Preferably, the locking hole is provided on the sliding pin.

Preferably, the release button is drivingly connected to the locking part through a safety lock, the safety lock is slidably arranged on the support, the locking part is arranged on the safety lock, and the release The button is provided with a button slope, and the safety lock piece is provided with a lock piece slope that cooperates with the button slope.

Preferably, a first elastic member is connected between the safety lock member and the support member.

Preferably, the first elastic member is disposed on the engaging portion.

Preferably, the frame body locking mechanism includes a release webbing, a driving member rotatably arranged on the supporting member, and a locking member is connected to the driving member, and the engaging member can be selectively connected with the The support members jointly limit the rotation of the support tube, and the release ribbon is connected with the driving member to operate the driving member to rotate relative to the support member, thereby driving the engaging member to slide.

Preferably, the clamping hole is provided on the driving member.

Preferably, the release button is drivingly connected to the locking part through a safety lock, the safety lock is slidably arranged on the support, the locking part is arranged on the safety lock, and the release The button is provided with a button slope, and the safety lock is connected with the button slope through a pin shaft.

Preferably, a first elastic member is connected between the safety lock member and the support member.

Preferably, the clamping hole is provided on the support tube.

Preferably, a second elastic member is connected between the release button and the support member.

Preferably, a limit barb protrudes from the release button, a limit block is pivotally connected to the support member, and a limit slot that can engage with the limit barb is opened on the limit block , when the limiting barb engages with the limiting groove, the limiting block limits the movement of the release button.

Preferably, a third elastic member is connected between the limiting block and the support member.

Preferably, the limiting block is provided with a limiting inclined surface push-connected with the frame body locking mechanism.

Preferably, the second safety lock mechanism also includes a release block slidably arranged on the support member, and the release block is provided with a release slope that is push-connected with the limit block and is connected with the limit block. The push-up slope for the push-up connection of the above-mentioned support pipe.

Preferably, the pushing slope is a wedge-shaped structure.

Preferably, the release block is provided with a second push slope that pushes and connects with the engaging portion.

Preferably, a fourth elastic member is connected between the release block and the support member.

Correspondingly, the utility model also provides a baby carrier as a stroller, including a frame body, a support member and a support tube are arranged on the frame body, the support tube is pivotally connected to the support member, and the support The aforementioned safety lock device is connected between the pipe and the support.

Preferably, the baby carrier is one of a stroller, a baby dining chair or a high chair.

Compared with the prior art, the utility model comprises a frame body locking mechanism and a second safety lock mechanism, and the second safety lock mechanism comprises a release button slidingly arranged on the support member. and an engaging part that is drivingly connected to the release button, one of the frame body locking mechanism and the support tube is provided with a locking hole that is matched and connected to the engaging part, and the unlocking button is driven to engage The whole operation process is simple and convenient; through the utility model, as long as the release button is lightly operated, the release button drives the engaging part to disengage from the engaging hole, and the baby The first release of the carrier, and then through the release of the locking mechanism of the frame body, the baby carrier can be normally folded at this time. The safety lock device of the utility model is more convenient for the release of the baby carrier, and the operation It is simple and makes the baby carrier more convenient and quick when the frame is folded; at the same time, the setting of the second safety lock mechanism can prevent the frame body from being accidentally folded due to the accidental release of the frame locking mechanism, which improves the baby carrier. Vehicle safety performance.

Description of drawings

Fig. 1 is a structural schematic diagram of the infant carrier of the present invention when it is unfolded and locked.

FIG. 2 is an enlarged schematic view of point A in FIG. 1 .

Fig. 3 is a structural schematic diagram of another viewing angle when the infant carrier of the present invention is unfolded and locked.

FIG. 4 is a schematic structural view of the bottom of the support member of the infant carrier of the present invention.

Fig. 5 is a schematic cross-sectional view of the safety lock device of the present invention.

Fig. 6 is a structural schematic diagram of the release block of the safety lock device of the present invention.

Fig. 7 is a structural schematic diagram of the safety lock of the safety lock device of the present invention.

Fig. 8 is a schematic structural view of the bottom of the support member in another embodiment of the present invention.

FIG. 9 is a schematic cross-sectional view of a safety lock device according to another embodiment of the present invention.

Fig. 10 is a schematic cross-sectional view of another state of a safety lock device according to another embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a limit block of a safety lock device according to another embodiment of the present invention.

Fig. 12 is a schematic structural view of the bottom of the support member in another embodiment of the present invention.

Fig. 13 is a schematic diagram of the front structure of the bottom of the support member in another embodiment of the present invention.

Fig. 14 is a schematic cross-sectional view of a safety lock device according to another embodiment of the present invention.

Fig. 15 is a schematic cross-sectional view of another state of the safety lock device according to another embodiment of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and preferred embodiment the utility model is further described.

Please refer to FIGS. 1-7 , a carrier for children provided by the present invention includes a frame body 1 . The frame body 1 is provided with a support member 2 and a support tube 3 . The support pipe 3 is pivotally connected to the support member 2 , and a safety lock device 4 is connected between the support pipe 3 and the support member 2 . The safety lock device 4 includes a frame body locking mechanism 41 and a second safety lock mechanism 42. When the frame body 1 is unfolded, the frame body 1 can be locked by the frame body locking mechanism 41. At the same time, by the second The safety lock mechanism 42 can prevent the accidental folding of the frame body 1 caused by the accidental release of the frame body locking mechanism 41, which improves the safety performance of the baby carrier. Of course, the second safety lock mechanism 42 can also be used alone to lock or unlock the baby carrier, and it is not limited thereto.

In this embodiment, the infant carrier is described as a stroller, the support member 2 includes a board, and the support tube 3 is a basket tube. But the utility model is not limited thereto, and the support member 2 can also be a tube, which can be used as a seat with the seat cloth.

In this embodiment, the frame body locking mechanism 41 includes a release webbing 41a, a sliding pin 41b and an engaging elastic member 41c. The sliding pin 41b is slidably arranged on the support member 2, and can be selectively engaged under the support tube 3 through the operation of the release ribbon 41a, and together with the support member 2, the support tube 3 is restricted from rotating relative to the support member 2, so that the frame The body 1 maintains the unfolded state, and the engaging elastic member 41c is used to maintain the sliding pin 41b at a position restricting the rotation of the support tube 3 . But the present invention is not limited thereto, and the frame body locking mechanism 41 can be any structure with a locking function, which will not be described in detail here. And in this embodiment, there are two frame body locking mechanisms 41 , and the two frame body locking mechanisms 41 are arranged on both sides of the support member 2 .

Specifically, as shown in FIG. 4 , the second safety lock mechanism 42 includes a release button 421 slidably arranged on the support member 2 and an engaging portion 422 drivingly connected to the release button 421 . There is a locking hole 411 matched with the locking part 422, that is, the locking hole 411 is set on the sliding pin 41b of the frame body locking mechanism 41, and the release button 421 drives the locking part 422 to engage with or disengage from the locking hole 411 , the whole operation is simple and convenient. In this embodiment, the release button 421 is disposed on the support member 2 by sliding laterally. The release button 421 is drivingly connected to the engaging portion 422 through the safety lock 423 . The safety lock 423 is longitudinally slidably arranged on the support member 2, the engaging part 422 is arranged on the safety lock 423, the release button 421 is provided with a button slope 421a, and the safety lock 423 is provided with a button slope 421a to cooperate with the button slope 421a. Connected lock ramp 423a.

A first elastic member 423b is connected between the safety lock member 423 and the support member 2, preferably, the first elastic member 423b is a spring. Utilizing the elastic action of the first elastic member 423b, the safety lock member 423 has a tendency to move away from the locking hole 411 of the sliding pin 41b. A second elastic member 421b is connected between the release button 421 and the support member 2 . Preferably, the second elastic member 421b is a spring, and the elastic action of the second elastic member 421b makes the release button 421 have a constant movement tendency towards the support tube 3, and the structure is compact, so that the button slope 421a has a constant pushing lock The movement trend of the inclined surface 423a, and the elastic force of the second elastic member 421b is greater than the elastic force of the first elastic member 423b, so that the locking member inclined surface 423a can overcome the elastic effect of the first elastic member 423b under the push of the button inclined surface 421a. The locking portion 422 of the safety lock 423 slides toward the locking hole 411 .

Preferably, as shown in FIG. 5 , a limit barb 421c protrudes from the release button 421 , and a limit block 424 is pivotally connected to the support member 2 . The limit groove 424a. When the limiting barb 421c engages with the limiting groove 424a, the limiting block 424 limits the movement of the release button 421 . A third elastic member 424b is connected between the limiting block 424 and the support member 2, and the third elastic member 424b is a spring.

As shown in FIGS. 5-6 , in this embodiment, the second safety lock mechanism 42 also includes a release block 425 slidably disposed on the support member 2 . The release block 425 is provided with a release slope 425 a push-connected with the limit block 424 and a push-up slope 425 b push-connected with the support tube 3 . The limiting block 424 is provided with a limiting inclined surface 424c push-connected with the unlocking inclined surface 425a. Preferably, the pushing slope 425b is a wedge-shaped structure, that is, formed by the intersection of two slopes. Preferably, the support tube 3 can push the release block 425 in two directions through the push slope 425b, and the release block 425 is provided with a second push slope 425c that is push-connected with the safety lock 423, It is used to assist the first elastic member 423b to push the safety lock member 423 .

As shown in FIG. 4 , a fourth elastic member 425d is connected between the release block 425 and the support member 2 , and the fourth elastic member 425d is a spring.

The working principle of safety lock device 4 in the present embodiment is described in detail below:

When the user needs to fold the baby carrier, first press the release button 421, the release button 421 overcomes the elasticity of the second elastic member and slides in the support member 2, the limit barb 421c interferes with the limit block 424 and makes the limit The block 424 pivots downward in the supporting member 2 . The limiting block 424 is pivoted until the limiting barb 421c slides into the limiting slot 424a, and then the limiting block 424 is pushed back by the third elastic member 424b to limit the reset movement of the release button 421 . At this time, the button inclined surface 421a breaks away from the push against the locking element inclined surface 423a, the engagement portion 422 of the safety lock element 423 acts elastically on the first elastic element 423b, and the second pushing inclined surface 425c pushes against the inclined surface 423c of the safety lock element 423. The second safety lock mechanism 42 is in an unlocked state when it is pushed away from the locking hole 411 .

Next, the user pulls the release webbing 41a, and the sliding pin 41b is driven to slide by the release webbing 41a, so that the frame body locking mechanism 41 releases the support tube 3, and the baby carrier can be normally folded. In the whole process, double unlocking is required to realize the folding of the frame body 1, which improves the safety performance of the infant carrier.

When the user needs to unfold the baby carrier, the rotating support tube 3 will push the pushing inclined surface 425b of the locking release block 425, so that the locking release block 425 can slide on the support member 2 against the elastic action of the fourth elastic member 425d. Simultaneously, the release slope 425a on the release block 425 pushes the limit slope 424c on the limit block 424, so that the limit block 424 pivots downward, at this moment, the frame body locking mechanism 41 locks the unfolded frame body 1. At the same time, the limiting groove 424a of the limiting block 424 is disengaged from the limiting barb 421c. Under the elastic action of the second elastic member 421b, the release button 421 is reset again, and the button slope 421a of the release button 421 abuts against the lock slope 423a, and drives the safety lock 423 in the support 2 toward the locking hole 411 Sliding, the locking part 422 of the safety lock 423 is engaged in the locking hole 411 again, and the second locking and fixing of the unfolded frame body 1 is performed.

As shown in Figures 8-11, it is another embodiment of the present invention. The difference between this embodiment and the previous embodiment is that in this embodiment, the clamping hole 411 is opened on the support tube 3, and the engaging part 422 is set on the release button 421, and the limit block 424 is provided with a limit inclined surface 424c that is pushed and connected with the frame locking mechanism 41, and the limit inclined surface 424c is connected with the push of the frame body locking mechanism 41, The pushing connection mode between the release block 425 and the limit block 424 in the previous embodiment can be realized. Of course, the two pushing connection methods can be used interchangeably in different embodiments according to specific conditions, and are not limited thereto.

The working principle of the safety lock device 4 of the present embodiment is described in detail below:

When the user needs to fold the baby carrier, firstly press the release button 421 . The release button 421 overcomes the elasticity of the second elastic member 421b and slides in the support member 2, the limit barb 421c interferes with the limit block 424 and makes the limit block 424 move downward in the support member 2, and the support member 2 moves to The limit barb 421c slides into the limit groove 424a, the engaging part 422 of the release button 421 disengages and engages with the clamp hole 411, and the limit block 424 ensures that the limit groove 424a is in contact with the limit groove 424a under the push of the third elastic member 424b The limit barb 421c is engaged to limit the reset movement of the release button 421 .

Next, the user pulls the release webbing 41a, and the sliding pin 41b is driven to slide by the release webbing 41a, so that the frame body locking mechanism 41 releases the support tube 3, so as to realize the normal folding of the baby carrier. At this time, the frame body locking mechanism 41 pushes the limiting inclined surface 424c of the limiting block 424, and the limiting block 424 moves downward, so that the limiting slot 424a of the limiting block 424 is disengaged from the limiting barb 421c. Under the elastic action of the second elastic member 421b, the release button 421 is reset again. When the infant carrier is unfolded again, the engaging portion 422 engages with the engaging hole 411 again, and the second locking of the infant carrier is realized again.

As shown in Figures 12 to 15, it is another embodiment of the present utility model. The difference between this embodiment and the first embodiment is that in this embodiment, the frame body locking mechanism 41 includes a release webbing 41a, which is rotatably arranged on A driver 41d on the support. The driving part 41d is connected with the engaging part 41e, and the engaging part 41e can optionally cooperate with the supporting part 2 to limit the rotation of the supporting tube 3, and the release ribbon 41a is connected with the driving part 41d to operate the driving part 41d relative to the supporting part 2 Rotate, and then drive the locking part 41e to slide, the locking hole 411 is set on the driving part 41d, the release button 421 is driven and connected with the engaging part 422 through the safety lock part 423, and the safety lock part 423 is slidably arranged on the support part 2 , the engaging portion 422 is disposed on the safety lock 423 , and a first elastic member 423b is connected between the safety lock 423 and the supporting member 2 . In this embodiment, the first elastic member 423 b makes the engaging portion 422 of the safety lock 423 have a constant movement tendency towards the engaging hole 411 . And in this embodiment, the button slope 421a' is set on the release button 421, and the safety lock 423 is connected with the button slope 421a' through a pin 423c, so as to realize the button slope 421a and the lock in the first embodiment. The connection mode of the inclined surface 423a of the component is matched with the connection. At the same time, in this embodiment, the limit block 424 is provided with a limit inclined surface 424c that is push-connected with the frame body locking mechanism 41. By using the limit limit slope 424c to push and connect with the frame body lock mechanism 41, the forward movement can be realized. In one embodiment, there is a pushing connection between the release block 425 and the limit block 424 . Specifically, the driving member 41d of the frame body locking mechanism 41 is provided with a driving rod 41d1 , and the driving rod 41d1 is push-connected to the limiting slope 424c of the limiting block 424 .

The working principle of the safety lock device 4 of the present embodiment is described in detail below:

When the user needs to fold the baby carrier, first press the release button 421, the release button 421 overcomes the elasticity of the second elastic member 421b and slides in the support member 2, and the limit barb 421c interferes with the limit block 424 and makes The limiting block 424 pivots downward in the supporting member 2 . The limit block 424 is pivoted until the limit barb 421c slides into the limit groove 424a, and then the limit block 424 is reset under the push of the third elastic member 424b to limit the reset movement of the release button 421. At this time, the button slope 421a When the pin shaft 423c of the safety lock 423 moves against the movement, the engaging part 422 of the safety lock 423 overcomes the elastic action of the first elastic member 423b and moves and disengages from the locking hole 411. At this time, the second safety lock mechanism 42 is in unlocked state.

Then, the user pulls the release webbing 41a, the release webbing 41a drives the driving part 41d to pivot, and the driving part 41d drives the engaging part 41e to slide. At this time, the frame body locking mechanism 41 releases the lock for the support tube 3, so as to realize the normal folding of the baby carrier. And the driving member 41d continues to pivot until its driving rod 41d1 pushes the limiting slope 424c of the limiting block 424, and the limiting block 424 moves downward, so that the limiting groove 424a of the limiting block 424 and the limiting barb 421c are disengaged from the card. combine. Under the elastic action of the second elastic member 421b, the release button 421 is reset again. When the infant carrier is unfolded again, the engaging portion 422 engages with the engaging hole 411 again, and the second locking of the infant carrier is realized again.

Compared with the prior art, the utility model safety lock device 4 includes a frame body locking mechanism 41 and a second safety lock mechanism 42, and the second safety lock mechanism 42 includes a release button 421 slidably arranged on the support member 2, With the locking part 422 drivingly connected with the release button 421 , the frame body locking mechanism 41 or the support tube 3 is provided with a locking hole 411 matched with the locking part 422 . The release button 421 drives the engaging part 422 to engage or disengage from the engaging hole 411, and the whole operation process is simple and convenient; through the utility model, as long as the release button 421 is lightly operated, the release button 421 drives the engaging part 422 to disengage from and engage with the locking hole 411. When the locking hole 411 is engaged, the first unlocking of the baby carrier can be realized. Then, by releasing the lock of the frame body locking mechanism 41, the baby carrier can be normally folded at this time. The safety lock device 4 of the utility model is more convenient for releasing the lock of the baby carrier, and the operation is simple, so that the baby carrier is more convenient and quick when the frame body 1 is folded; at the same time, through the setting of the second safety lock mechanism 42 , can prevent the accidental folding of the frame body 1 caused by the accidental release of the frame body locking mechanism 41, and improve the safety performance of the baby carrier.

In this embodiment, the infant carrier is described as a stroller, but the present invention is not limited thereto. The utility model can also be used for other infant carriers such as infant dining chairs, high chairs, etc., all of which can achieve the function of preventing accidental folding.

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .

Claims (21)

1. A safety lock device, which is used to be installed on a baby carrier to lock or release the baby carrier, the baby carrier includes a support and a pivotally connected to the support The support tube is characterized in that: the safety lock device includes a frame locking mechanism and a second safety lock mechanism, and the second safety lock mechanism includes a release button and a A locking part drivingly connected with the release button, one of the frame locking mechanism and the support tube is provided with a locking hole matched with the locking part, and the locking part is driven by the release button The engaging portion and the engaging hole engage or disengage from each other. 2. The safety lock device according to claim 1, wherein the frame body locking mechanism includes a release ribbon and a sliding pin slidably arranged on the support member, and the sliding pin can be selectively connected with The support members jointly limit the rotation of the support tube, and the release webbing is connected with the sliding pin to operate the sliding pin to slide relative to the support member. 3. The safety lock device according to claim 2, wherein the locking hole is provided on the sliding pin. 4. The safety lock device according to claim 3, characterized in that: the release button is driven and connected to the engaging part through a safety lock, the safety lock is slidably arranged on the support, and the engaging part It is arranged on the safety lock piece, the release button is provided with a button slope, and the safety lock piece is provided with a lock piece slope matched with the button slope. 5. The safety lock device according to claim 4, wherein a first elastic member is connected between the safety lock member and the support member. 6. The safety lock device according to claim 5, wherein the first elastic member is disposed on the engaging portion. 7. The safety lock device according to claim 1, wherein the frame body locking mechanism includes a lock release webbing, a drive member rotatably arranged on the support member, and a card is connected to the drive member. An engaging part, the engaging part can optionally cooperate with the supporting part to limit the rotation of the supporting tube, the release webbing is connected with the driving part, so as to operate the driving part to rotate relative to the supporting part, Further, the engaging member is driven to slide. 8. The safety lock device according to claim 7, wherein the locking hole is provided on the driving member. 9. The safety lock device according to claim 8, characterized in that: the release button is driven and connected to the engaging part through a safety lock, the safety lock is slidably arranged on the support, and the engaging part It is arranged on the safety lock piece, the release button is provided with a button slope, and the safety lock piece is connected with the button slope through a pin shaft. 10. The safety lock device according to claim 9, wherein a first elastic member is connected between the safety lock member and the support member. 11. The safety lock device according to claim 1, wherein the locking hole is provided on the support tube. 12. The safety lock device according to claim 1, wherein a second elastic member is connected between the release button and the support member. 13. The safety lock device according to any one of claims 1-12, characterized in that: a limit barb protrudes from the release button, and a limit block is pivotally connected to the support member. There is a limit slot on the limit block that can be engaged with the limit barb. When the limit barb engages with the limit slot, the limit block restricts the release button exercise. 14. The safety lock device according to claim 13, wherein a third elastic member is connected between the limiting block and the supporting member. 15. The safety lock device according to claim 13, characterized in that: the limit block is provided with a limit slope that is push-connected with the frame body locking mechanism. 16. The safety lock device according to claim 13, characterized in that: the second safety lock mechanism also includes a lock release block slidably arranged on the support member, and the lock release block is provided with a A release slope connected to the limit block, and a push slope connected to the support tube. 17. The safety lock device according to claim 16, wherein the pushing slope is a wedge-shaped structure. 18 . The safety lock device according to claim 16 , wherein a second push slope is provided on the release block to push and connect with the engaging portion. 19 . 19. The safety lock device according to claim 16, wherein a fourth elastic member is connected between the release block and the supporting member. 20. A baby carrier, comprising a frame body, a support piece and a support tube are arranged on the frame body, and the support tube is pivotally connected to the support piece, and it is characterized in that: the support tube is connected to the support tube The safety lock device according to any one of claims 1-19 is connected between the supports. 21. The baby carrier as claimed in claim 20, wherein the baby carrier is one of a stroller, a baby dining chair and a high chair.

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