JP7220252B2 - Baby carrier - Google Patents

Description

The present invention relates to baby carriers. More specifically, by attaching an auxiliary support means that selectively operates to support or release the support of the baby's buttocks by the user's operation, the baby carrier mode can be switched without putting the baby down. Quickly and conveniently switch between hipseat modes. By restricting or releasing the rotation of the hip support plate through the movement of the operating shaft of the auxiliary support means, the work of fixing the position of the hip support plate in the unfolded state or sliding the hip support plate is greatly reduced. The present invention relates to a baby carrier capable of further improving the convenience of use because it can be used conveniently and quickly.

Generally, the baby's caregiver will support the weight of the baby with both arms and care for or hold the baby. Such a posture puts strain on the arms and waist of the guardian, making it difficult to take care of the baby for a long time in a stable and comfortable posture.

For this reason, baby straps or nursing belts are widely used so that the baby can be carried on the back of the guardian or held on the chest.

In general, a baby carrier is designed so that a baby can be held on the chest. There is a problem that excessive force is generated on the shoulders of the user, and the user cannot take care of the baby in a comfortable posture for a long time.

Recently, hip seats have been used that can hold a baby so that the baby's weight is distributed over the user's hips and pelvis. However, such a hip seat has a problem that most of the baby's weight is concentrated on the user's waist, and the user's waist is strained.

As such, the conventional baby carrier and hip seat concentrate the baby's weight on a specific body part such as the user's shoulder or waist, causing pain to the user when worn for a long time.

In order to solve this problem, a product that combines a baby carrier and a hip seat has been developed recently. Since it is formed so that the mode can be switched while it is in a closed state, it is difficult to use because it is impossible to quickly switch the mode.

Korea Registered Patent No. 10-1693079

SUMMARY OF THE INVENTION The present invention was made to solve the problems of the prior art, and an object of the present invention is to support or release the support of the baby's buttocks by user's operation. To provide a nursing carrier capable of quickly and conveniently switching between a nursing carrier mode and a hip seat mode without putting down a baby by mounting an auxiliary supporting means that operates selectively.

Another object of the present invention is to fix the hip support plate in position in the deployed state or to remove the hip support plate by rotationally constraining or releasing the hip support plate through movement of the actuating shaft of the auxiliary support means. To provide a baby carrier which can be used very conveniently and quickly to perform sliding work, thereby further improving the convenience of use.

Another object of the present invention is to simplify the development and sliding structure of the auxiliary support means, thereby facilitating manufacture, reducing manufacturing costs, and operating with a stable structure without deformation or damage. To provide a baby carrier capable of improving the stability and durability of a baby.

The present invention comprises a main body for covering and supporting a baby's body, a shoulder band connected to the main body so as to be worn on the user's shoulder, and a waist connected to the main body so as to be worn around the user's waist. A band is detachably coupled to the waist band so as to assist the main body in supporting the baby's bottom supported by the main body, and supports or supports the baby's bottom by a user's operation. an auxiliary support means selectively operable to release, said auxiliary support means supporting or releasing a base plate coupled to the front surface of said waist band and the baby's buttocks portion. a hip support plate that is rotatably coupled to the base plate in a manner that is unfolded or slid from the base plate; an actuating shaft through-coupled and arranged so as to be linearly movable in the axial direction, wherein the actuating shaft fixes the position of the hip support plate in an unfolded state when it is linearly moved in one direction. provide a belt.

At this time, the auxiliary support means further includes an elastic member mounted on the base plate to apply elastic force to the operating shaft in one direction, and the operating shaft is unidirectionally moved by the elastic force of the elastic member. The position of the hip support plate can be fixed in the unfolded state by moving, and the position of the hip support plate can be released by moving in the direction opposite to the elastic force by the user's operation.

Further, an engagement protrusion is formed on a partial section of the outer peripheral surface of the operating shaft, and the hip support plate engages with the engagement protrusion to restrict rotation when the operating shaft moves in one direction. A stepped portion is formed, and the engaging protrusion and the locking stepped portion engage with each other in accordance with the linear movement of the operating shaft so that the hip support plate can be rotationally restrained and positionally fixed.

A support plate through-hole is formed in the hip support plate so that the operating shaft can be penetrated therethrough, and the locking stepped portion extends along the inner peripheral surface of the support plate through-hole along the length direction. The actuating shaft, which is formed in a partial section, can linearly move in one direction so as to be engaged with the locking step portion by the elastic force of the elastic member when the hip support plate rotates to the unfolded state. .

Also, the engaging protrusion of the operating shaft may be formed in a shape having a circumferential surface such that the outer surface thereof slides into contact with the inner surface of the support plate through-hole of the hip support plate.

Also, the base plate may be formed with a base coupling portion through which the operating shaft is linearly movably coupled while being rotationally restrained.

In addition, another fixed plate having a guide rail protruding from the front surface is coupled to the waist band, and the base plate is detachable from the fixed plate by sliding downwardly into the guide rail. can be combined.

Further, the fixing plate may be formed with another upward support portion protruding forward to support the lower end of the base plate while the base plate is slidably inserted.

Also, a plurality of ventilation holes may be formed in the hip support plate.

Also, a plurality of ribs may be formed on one surface of the hip support plate in a direction crossing the base plate.

According to the present invention, the baby carrier mode and the hip can be switched without putting the baby down by attaching the auxiliary support means which selectively operates to support or release the support of the baby's buttocks by the operation of the user. There is an effect that the seat mode can be switched quickly and conveniently.

In addition, by restricting the rotation of the hip support plate or releasing the restriction through the movement of the operating shaft of the auxiliary support means, the work of fixing the position of the hip support plate in the unfolded state or sliding the hip support plate is greatly reduced. Since it can be performed conveniently and quickly, there is an effect that the convenience of use is further improved.

In addition, by simplifying the deployment and sliding structure of the auxiliary support means, it is easy to manufacture, the manufacturing cost can be reduced, and a stable structure is formed without deformation or damage to improve operational stability and durability. there is an effect to be obtained.

In addition, since the auxiliary support means can be detachably attached to the waist band, the auxiliary support means can be easily separated and connected according to the needs of the user, thereby providing more convenient use.

Further, by increasing the rigidity and supporting force of the auxiliary support means, there is an effect that the structural stability is improved and the user's feeling of fatigue caused by wearing the baby carrier can be reduced.

1 is a perspective view schematically showing an outer shape of a baby carrier according to an embodiment of the present invention; FIG. FIG. 4 is a side view schematically showing a mode switching state of the auxiliary support means of the baby carrier according to the embodiment of the present invention; FIG. 4 is a view schematically showing a separate coupling structure of an auxiliary support means according to an embodiment of the present invention; FIG. FIG. 4 is a rear perspective view schematically showing the external shape of an auxiliary support means according to one embodiment of the present invention; FIG. 4 is a partially exploded perspective view schematically showing the configuration of auxiliary support means according to one embodiment of the present invention; FIG. 4 is a perspective view schematically showing the shape of an operating shaft according to one embodiment of the present invention; FIG. 4 is an incised perspective view schematically showing the shape of a locking stepped portion of a hip support plate according to an embodiment of the present invention; FIG. 4 is an exploded perspective view schematically showing a coupling structure between an operating shaft and a hip support plate with the hip support plate deployed according to an embodiment of the present invention; FIG. 4 is an incised perspective view schematically showing a pressing operation state of an operating shaft with a hip support plate deployed according to an embodiment of the present invention; FIG. 4 is an exploded perspective view schematically showing a coupling structure between an operating shaft and a hip support plate in a state where the hip support plate is slid according to an embodiment of the present invention;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to components in each drawing, it should be noted that identical components have the same reference numerals as much as possible, even if they appear on other drawings. . In addition, in describing the present invention, if it is determined that a detailed description of such known configurations or functions may obscure the gist of the present invention, the detailed description will be omitted.

FIG. 1 is a perspective view schematically showing the outer shape of a baby carrier according to one embodiment of the present invention, and FIG. 2 schematically shows the mode switching state of the auxiliary support means of the baby carrier according to one embodiment of the present invention. FIG. 3 is a schematic side view, and FIG. 3 is a drawing schematically showing a separate coupling structure of an auxiliary support means according to an embodiment of the present invention.

A baby carrier according to an embodiment of the present invention supports the baby's buttocks according to the needs of the user, and relieves fatigue transmitted to the user. a body 10 for covering and supporting the body, a shoulder band 20 coupled to the body 10 so as to be worn on the user's shoulders, a waist band 30 coupled to the body 10 so as to be worn around the user's waist, and a body and an auxiliary support means 40 that can assist the body 10 to support the baby's buttocks supported by the body 10 .

The auxiliary support means 40 is detachably coupled to the waist band 30 and is selectively operated by a user to support or release the bottom of the baby while the baby is supported by the main body 10 .

When the baby's buttocks are supported through the auxiliary support means 40 in this way, the load concentrated on the shoulder band 20 is reduced and the load is distributed to the waist band 30 side. Accordingly, the user can operate the auxiliary support means 40 according to his/her degree of fatigue to disperse the load transmitted through the baby carrier, so that the user can stably hold the baby without getting tired even when wearing the baby carrier for a long time. be able to.

The auxiliary support means 40 according to one embodiment of the present invention includes a base plate 100 , a hip support plate 200 and an operating shaft 300 .

The base plate 100 is coupled to the front surface of the waist band 30 and has a plate shape with a concave curved shape along the curved line of the waist band 30 at the rear surface.

At this time, the waist band 30 is coupled with another fixed plate 500 having a guide rail 510 protruding from the front surface, and the base plate 100 is downwardly slidably inserted into the guide rail 510 of the fixed plate 500 . It is detachably coupled to the fixing plate 500 . The base plate 100 is formed with a guide groove 110 having an open bottom so as to be slidably inserted into the guide rail 510 . The fixing plate 500 is inserted into the waist band 30 and fixed to the waist band 30. The fixing plate 500 is fixed by being sewn with a thread or by being glued with another adhesive. The fixing method can be changed in various ways. At this time, the guide rails 510 of the fixing plate 500 are arranged to be exposed to the front of the waist band 30 , and the base plate 100 is slidably inserted into the guide rails 510 exposed to the front of the waist band 30 . and combined.

In addition, another upward support portion 520 may be formed on the fixed plate 500 so as to protrude forwardly to support the lower end of the base plate 100 upward when the base plate 100 is slidably inserted. The base plate 100 can be stably attached to the waist band 30 by being supported upward by the upward support portion 520 .

In addition, the lower edge portion of the rear side of the fixing plate 500 can press the abdomen portion of the user due to the weight of the baby during use. It can be formed into a chamfered shape. Due to this shape, the thickness of the lower portion of the fixing plate 500 may be reduced and the strength may be reduced. A portion 530 may be formed.

The hip support plate 200 is rotatably coupled to the base plate 100 so as to be unfolded or slid from the base plate 100 so as to support or release the support of the baby's buttocks. More specifically, as shown in FIGS. 2A and 2B, the hip support plate 200 has one end rotatably coupled to the upper end of the base plate 100 and protrudes forward from the base plate 100 . It is configured to be unfolded or slid in a direction parallel to the base plate 100 . As shown in FIG. 2(b), the hip support plate 200 is protruded and deployed to support the baby's buttocks, and as shown in FIG. 2(a), the hip support plate 200 is slid. In the resting position, release the support for the baby's buttocks.

The operating shaft 300 is simultaneously penetrated through the base plate 100 and the hip support plate 200 so as to form a rotation axis of the hip support plate 200, and is arranged to be linearly movable in the axial direction. The actuating shafts 300 are disposed at both ends of the hip support plate 200, and the outer ends of the actuating shafts 300 may be formed with handles 301 for user's manipulation. A user may move the actuation shaft 300 axially inwardly by applying pressure to the handle 301 . The handle portion 301 can be moved outward by the elastic force of another elastic member 400 (see FIG. 5), which will be described later. done.

At this time, the actuating shaft 300 serves as a rotational axis of the hip support plate 200 and simultaneously restrains or releases the rotation of the hip support plate 200 through axial movement. For example, the actuating shaft 300 may constrain the rotation of the hip support plate 200 in the unfolded state and fix the position of the hip support plate 200 when linearly moving outward, and the hip support plate 200 may be fixed in position when the hip support plate 200 is pressure-operated by the user to linearly move inward. can be released from the rotation constraint state. Since the actuating shaft 300 moves outward by the elastic force of the elastic member 400, when the hip support plate 200 rotates to the unfolded state, the actuating shaft 300 moves outward due to the elastic force and the hip support plate 200 moves outward. is rotationally restrained and the hip support plate 200 is to be slid, the operating shaft 300 is pressurized inward, and the hip support plate 200 can be slid in this state. When the hip support plate 200 is bound, the movement of the operating shaft 300 is restrained by the hip support plate 200 and cannot move outward. maintained in

With such a structure, when the hip support plate 200 is slid on the base plate 100 as shown in FIG. is not restricted in rotation, the hip support plate 200 can be deployed as shown in FIG. When the hip support plate 200 is deployed, the actuating shaft 300 moves outward due to its elastic force and restrains the hip support plate 200 from rotating. It will support the buttocks. Thereafter, in order to slid the hip support plate 200, the operation shaft 300 is pressurized inward to release the rotation restraint state of the hip support plate 200, and in this state, the hip support plate 200 is slid. obtain.

When the hip support plate 200 is slid, the baby's buttocks supported by the main body 10 are not supported. Therefore, the baby is in the baby carrier mode. Since the hip support plate 200 assists and supports the buttocks of the baby, the hip seat mode is established. In the baby carrier mode, the load is relatively concentrated on the shoulder bands 20, and in the hip seat mode, the load is relatively concentrated on the waist band 30. - 特許庁Accordingly, the user can deploy or slide the hip support plate 200 according to his/her degree of fatigue to distribute the load, thereby relieving fatigue even after wearing for a long time. In particular, since the auxiliary support means 40 can be operated while the baby is supported through the body 10 without putting the baby down when switching between baby carrier mode and hip seat mode, the baby can be used more quickly and conveniently.

On the other hand, since the hip support plate 200 comes into contact with the bottom of the baby when unfolded and supports the bottom of the baby, a plurality of ventilation holes 210 are provided for ventilation of the bottom of the baby. can be formed. In addition, the hip support plate 200 may be formed with a plurality of ribs 220 (see FIG. 4) extending across the hip support plate 200 so as to stably support the baby's buttocks. The strength is strengthened and the support stability is improved.

Next, the construction of the auxiliary support means 40 according to one embodiment of the invention will be examined in more detail.

FIG. 4 is a rear perspective view schematically showing the outline of the auxiliary support means according to one embodiment of the present invention, and FIG. 5 schematically shows the configuration of the auxiliary support means according to one embodiment of the present invention. 6 is a perspective view schematically showing the shape of an actuation shaft according to one embodiment of the present invention; FIG. 7 is a perspective view of a hip support plate according to one embodiment of the present invention; FIG. FIG. 8 is an incised perspective view schematically showing the shape of a locking stepped portion, and FIG. 8 schematically shows a coupling structure between an operating shaft and a hip support plate with the hip support plate deployed according to an embodiment of the present invention; FIG. 9 is a schematic cutaway perspective view showing a schematic cutaway perspective view of a pressure operation state of an operating shaft with a hip support plate deployed according to an embodiment of the present invention; 10 is an exploded perspective view schematically showing a coupling structure between an operating shaft and a hip support plate in a state where the hip support plate is slid according to an embodiment of the present invention; FIG.

The auxiliary support means 40 according to one embodiment of the present invention is constructed such that the hip support plate 200 is rotatably coupled to the base plate 100 to be unfolded and slid, and the operating shaft 300 is attached to the hip support plate 200 . It is simultaneously penetrated through the base plate 100 and the hip support plate 200 so as to form a rotating shaft, and is arranged so as to be linearly movable in the axial direction.

The auxiliary support means 40 further includes an elastic member 400 mounted on the base plate 100 to apply an elastic force to the operating shaft 300 in the direction of outward movement. The hip support plate 200 is moved outward by the elastic force, and the hip support plate 200 is rotationally restrained in the unfolded state and fixed in position. release the rotation constraint state.

More specifically, a base coupling part 130 is formed on one side of the front surface of the base plate 100 so that the operating shaft 300 is penetrated, and the rotation of the operating shaft 300 is restrained in the base coupling part 130 . formed to be linearly movably through-coupled in a state. That is, the operating shaft 300 penetrates through the base coupling portion 130 of the base plate 100 and is mounted so as to be axially linearly movable while being rotationally restrained.

A linear movement protrusion 320 is formed on the outer peripheral surface of the operating shaft 300 for linear movement in a rotationally constrained state, and a base through hole 131 is formed in the base connecting portion 130 so that the operating shaft 300 penetrates. A base protruding stepped portion 132 is formed on the inner surface of the base so as to engage with the linear movement protruding portion 320 so as to restrict rotation.

The base coupling parts 130 are formed at both ends of the base plate 100, respectively, and an elastic member accommodating part 120 capable of accommodating the elastic member 400 is formed between the two base coupling parts 130. As shown in FIG. The elastic member accommodating part 120 may be configured to open and close the internal space in such a manner that another finishing cover 121 is separated and coupled for adjustment, separation and replacement of the internal elastic member 400 .

In addition, support plate coupling portions 230 are formed at both ends of the hip support plate 200 so that the operating shaft 300 can be penetrated therethrough. 231 are formed. The support plate coupling parts 230 may be arranged outside the base coupling part 130 respectively.

The actuating shaft 300 passes through the support plate coupling portion 230 and the base coupling portion 130 in sequence, and is disposed such that its inner tip is located in the elastic member accommodating portion 120 . A stopper protrusion 330 is formed at the inner tip of the operating shaft 300 to limit the outward movement range of the operating shaft 300 , and the stopper protrusion 330 is engaged with the side surface of the base through hole 131 of the base coupling part 130 . is formed so that The elastic member 400 accommodated in the elastic member accommodating portion 120 is arranged to press the inner tip of the operating shaft 300 outward.

Therefore, the actuating shaft 300 passes through the support plate coupling portion 230 and the base coupling portion 130 and moves linearly in the axial direction while being rotationally restrained by the mutual engagement of the linear movement protrusion 320 and the base protrusion stepped portion 132. It is elastically supported to move outward by the elastic force of the elastic member 400 .

At this time, another engagement protrusion 310 is formed in a portion of the outer peripheral surface of the operating shaft 300 at a position axially separated from the linear movement protrusion 320 , and the operating shaft 300 is formed on the hip support plate 200 . A locking step 232 is formed which engages with the engaging protrusion 310 to rotationally restrain it when it moves outwardly. The locking stepped portion 232 is formed in a part of the inner peripheral surface of the support plate through-hole 231 of the support plate coupling portion 230 along the length direction. It may be formed in a form protruding in the axial center direction from the inner peripheral surface of the.

The locking step 232 and the mating protrusion 310 are formed such that they can only be mated together when the hip support plate 200 is rotated to the deployed position. For example, as shown in FIG. 8, when the hip support plate 200 is unfolded, the locking stepped portion 232 rotates in a state where it can be engaged with the engaging protrusion 310, and such a rotating state is achieved. Then, the operating shaft 300 moves outward due to the elastic force, and the engaging protrusion 310 of the operating shaft 300 engages with the locking stepped portion 232 of the hip support plate 200 to restrain the rotation of the hip support plate 200 .

On the other hand, as shown in FIG. 10, when the hip support plate 200 is slid, the locking stepped portion 232 rotates in a state where it cannot be engaged with the engaging protrusion 310. In such a rotating state, the actuating shaft 300 is locked by the engaging projection 310 on the side surface of the engaging stepped portion 232 and cannot move outwardly. can not mesh with each other, the rotation restraint state of the hip support plate 200 is released.

On the other hand, as shown in FIG. 9, when the operating shaft 300 is pressed inward while the hip support plate 200 is deployed, the engagement between the engagement projection 310 and the locking step 232 is released. , the rotation restraint state of the hip support plate 200 is released. As a result, the user can rotate the hip support plate 200 in a sliding state while pressing the operating shaft 300 .

At this time, the engaging protrusion 310 is located in a section outside the locking stepped portion 232 in the support plate through-hole 231. In this state, the operating shaft 300 is rotated so that the hip support plate 200 can rotate. The engaging protrusion 310 may be formed in a shape having a circumferential surface so that the outer surface thereof slides into contact with the inner surface of the support plate through-hole 231 of the hip support plate 200 . Since the outer peripheral surface of the engaging protrusion 310 is formed so as to be in sliding contact with the inner peripheral surface of the support plate through-hole 231, the hip support plate 200 can be released from the rotation restraint state as well as the hip support plate. It guides the position of 200 and stably functions as a rotation axis.

As shown in FIG. 8, when the hip support plate 200 is deployed, the operating shaft 300 protrudes outward due to the elastic force of the elastic member 400, and the engaging protruding portion moves outward. Since 310 and locking stepped portion 232 are engaged with each other, hip support plate 200 is positionally fixed in a rotationally constrained state to support the baby's buttocks.

In order to slide the hip support plate 200 in this state, as shown in FIG. The engaging state of the locking stepped portion 232 is released. In this state, the rotation restraint state of the hip support plate 200 is released, so that the hip support plate 200 can be rotated in a sliding state. When the hip support plate 200 is rotated in the sliding binding direction while the operating shaft 300 is pressurized inward, even if the pressing operation force on the operating shaft 300 is released, the arrangement position of the engaging stepped portion 232 remains unchanged. The engaging protrusion 310 is locked and supported by the side surface of the locking stepped portion 232, so that the operating shaft 300 cannot move outward and the elastic member 400 moves inward while being compressed. maintain. Therefore, after the hip support plate 200 starts to rotate in the sliding direction while the hip support plate 200 is expanded and the operating shaft 300 is pressurized, even if the pressurized state of the operating shaft 300 is released, the hip can still rotate. The support plate 200 can be continuously rotated in a sliding binding state.

As shown in FIG. 10, since the same arrangement structure is maintained even when the hip support plate 200 is slid, the operating shaft 300 is maintained in a state of being moved inward. In this sliding state of the hip support plate 200, the rotational constraint state of the hip support plate 200 is released. This can be achieved simply by rotating only the hip support plate 200 in the deployment direction, without any separate operation for .

With such a structure, the hip support plate 200 can be slid and unfolded very conveniently and quickly, so that the mode switching between the hip seat mode and baby carrier mode can be easily performed.

The above description is merely an illustrative explanation of the technical idea of the present invention, and a person having ordinary knowledge in the technical field to which the present invention belongs may understand the essential characteristics of the present invention. Various modifications and variations may be made without departing from the scope of the invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but are for the purpose of explanation, and the scope of the technical idea of the present invention is limited by such embodiments. not something. The scope of protection of the present invention should be construed by the following claims, and all technical ideas within the equivalent scope thereof should be construed as included in the scope of rights of the present invention. be.

10: Main body 20: Shoulder band 30: Waist band 40: Auxiliary support means 100: Base plate 200: Hip support plate 210: Ventilation hole 220: Rib 232: Locking stepped portion 300: Operating shaft 310: Engagement protrusion 400: Elasticity Member 500: Fixed plate

Claims (7)

A main body that protects and supports the baby's body,
a shoulder band coupled to the body so as to be worn on a user's shoulder;
a waist band coupled to the body so as to be worn around the waist of a user;
It is detachably coupled to the waist band so as to support the baby's bottom part supported by the main body, and supports or releases the baby's bottom part by user's operation. an auxiliary support means selectively actuated to
The auxiliary support means are
a base plate coupled to the front surface of the waist band;
a hip support plate rotatably coupled to the base plate in such a manner as to be unfolded or slid from the base plate so as to support or release the support of the baby's buttocks;
an operating shaft that penetrates through the base plate and the hip support plate at the same time so as to form a rotation axis of the hip support plate and is arranged to be linearly movable in the axial direction in a rotationally constrained state ;
an elastic member mounted on the base plate to apply elastic force to the actuating shaft in one direction ;
an engaging protrusion is formed on a partial section of the outer peripheral surface of the operating shaft;
The hip support plate is formed with a locking stepped portion that engages with the engaging protrusion so as to restrain rotation when the operating shaft moves in one direction,
The locking stepped portion can be engaged with the engaging protrusion only at a certain angle in which the hip support plate is rotated in the unfolded state,
A support plate through-hole is formed in the hip support plate so that the operating shaft can be penetrated therethrough, and the locking stepped portion is partially formed along the inner peripheral surface of the support plate through-hole along the length direction. formed in the interval,
The hip support plate is rotationally restrained by engaging the engaging projection and the locking step in accordance with the linear movement of the operating shaft,
The actuating shaft linearly moves in one direction by the elastic force of the elastic member as the hip support plate rotates to the unfolded state so as to engage with the locking step portion, and the elastic force is reversed by the user's operation. A baby carrier that moves in a direction to release the fixed position of the hip support plate . 2. The baby carrier as claimed in claim 1 , wherein the engaging protrusion of the operating shaft has a circumferential surface so that the outer surface thereof slides into contact with the inner surface of the support plate through-hole of the hip support plate. 2. A baby carrier according to claim 1 , wherein a base connecting portion is formed in said base plate so as to penetrate and connect said operating shaft so that said operating shaft is linearly movably restrained in rotation. The waist band is coupled with a fixing plate formed with a guide rail protruding from the front surface,
2. The baby carrier as claimed in claim 1, wherein the base plate is detachably coupled to the fixing plate in a downward sliding manner into the guide rail. 5. The baby carrier according to claim 4 , wherein another upward support portion is formed on the fixed plate so as to project upward from the front surface so as to support the lower end of the base plate in a state in which the base plate is slidably inserted. The baby carrier according to claim 1, wherein the hip support plate has a plurality of ventilation holes. The baby carrier according to claim 1, wherein a plurality of ribs are formed on one surface of the hip support plate in a direction crossing the base plate.

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