CN115702713A - Fastener system suitable for children carrier - Google Patents

Abstract

The invention provides a buckle system suitable for a child carrier, comprising: a buckle base shell; a buckle adapted to be connected to or removed from the buckle housing; the latching mechanism is arranged in the buckle seat shell and can lock the buckle and the buckle seat shell; a battery cavity disposed in the socket housing and adapted to receive a battery so as to be able to supply power to the signal generating unit, wherein the socket housing has an opening communicating with the battery cavity; and the battery carrying disc is suitable for carrying a battery, wherein the battery carrying disc is suitable for being inserted into or taken out of the battery cavity through the opening so as to install the battery into the battery cavity or take the battery out of the battery cavity.

Description

Fastener system suitable for children carrier

Technical Field

The invention relates to a buckle system suitable for a child carrier.

Background

Child carriers in the market are usually provided with a buckle system to restrain the child and provide protection. In addition, some buckle systems can also be provided with an alarm system which can send out signals when the installation state of the buckle system is changed, so that the buckle system can be safely used. Generally, the components of the alarm system may include a circuit board, a battery, a switch device, etc., which are usually embedded in the housing of the buckle, so that the caretaker cannot replace the components of the alarm system, and the flexibility of use is limited.

Accordingly, there is a need for an improved buckle system that is cost-effective to manufacture and that at least ameliorates the above disadvantages.

Disclosure of Invention

The present invention provides a buckle system that is more flexible and convenient to use, and at least ameliorates the above disadvantages. According to one embodiment, a buckle system comprises: a buckle base shell; a buckle adapted to be connected to or removed from the buckle housing; a latch mechanism disposed in the buckle housing and capable of locking the buckle with the buckle housing; a battery cavity disposed in the socket housing and adapted to receive a battery so as to be able to supply power to the signal generating unit, wherein the socket housing has an opening communicating with the battery cavity; and the battery carrying disc is suitable for carrying a battery, wherein the battery carrying disc is suitable for being inserted into or taken out of the battery cavity through the opening so as to install the battery into the battery cavity or take the battery out of the battery cavity.

The buckle system is characterized in that the battery carrying disc is provided with a containing groove suitable for positioning the battery, and the containing groove is approximately circular so as to position the round and flat battery.

The buckle system is characterized in that the buckling part of the buckle can be inserted into the buckle seat shell through a slot arranged in one end part of the buckle seat shell, and the opening is arranged in the end part and close to the slot.

The buckle system is characterized in that one end of the buckle seat shell can be connected with a binding belt, and the battery cavity is located adjacent to the end of the buckle seat shell.

The buckle system is characterized in that the buckle seat shell is provided with two opposite side edges and one end part, the end parts are respectively connected with the two side edges and are provided with slots for inserting buckling parts of the buckle into the buckle seat shell, and the opening is arranged in one of the two side edges.

The buckle system is characterized in that the battery carrying disc is provided with a clamping part, a fastening part is arranged in the buckle seat shell, and the battery carrying disc is locked with the buckle seat shell by virtue of the clamping action between the clamping part and the fastening part when being inserted into the battery cavity.

The buckle system is characterized in that the battery carrying disc is provided with a containing groove suitable for positioning the battery, and the clamping part protrudes out of the containing groove.

The buckle system is characterized in that the clamping part and the battery carrying disc are integrally formed.

The buckle system is characterized in that the buckle seat shell is provided with an unlocking hole, and the buckle seat shell is configured to enable a caregiver to operate from the outer side of the buckle seat shell through the unlocking hole and enable the clamping portion to be disengaged from the fastening portion.

The buckle system is characterized in that the fastening part is arranged in the buckle seat shell and is adjacent to the unlocking hole.

The buckle system is characterized in that the fastening part is a protrusion extending along one side wall of the unlocking hole.

The buckle system is characterized in that the buckle seat shell is provided with an end part and a main surface which are connected, the opening is arranged in the end part, and the unlocking hole is arranged in the main surface.

The buckle system is characterized in that the opening and the unlocking hole are respectively arranged in two opposite side edges of the buckle seat shell.

The buckle system is characterized in that a pushing piece is arranged in the buckle seat shell, and the battery carrying disc can be pushed by the pushing piece when the clamping part is separated from the fastening part so as to be ejected out of the opening.

The buckle system is characterized in that the pushing piece is an elastic piece.

The buckle system is characterized in that the fastening part is fixedly connected with the buckle seat shell.

The buckle system is characterized in that the fastening part is movably assembled with the buckle seat shell, so that the fastening part can move relative to the buckle seat shell to be clamped with or separated from the clamping part.

The buckle system is characterized in that the fastening part is connected with an elastic piece, and the elastic piece can promote the fastening part to move and be clamped with the clamping part.

The buckle system is characterized by further comprising a signal generating unit which is arranged in the buckle seat shell and comprises a circuit board, the battery cavity comprises a first electrode and a second electrode, and the first electrode and the second electrode are respectively electrically connected with the circuit board and are suitable for being in contact with a battery.

The buckle system, wherein the signal generating unit is configured to generate an alarm signal to indicate an installation state of the buckle and the buckle housing.

In addition, an embodiment of the present invention further provides a child carrier, including: a crotch strap and a shoulder strap; and the buckle system, wherein the crotch strap is connected with the buckle seat shell, and the shoulder strap is connected with the buckle.

Drawings

Fig. 1 is a perspective view of a buckle system according to an embodiment of the present invention.

Fig. 2 is a perspective view of the buckle system shown in fig. 1 from another perspective.

Fig. 3 is a perspective view of a buckle housing of the buckle system of fig. 1.

Fig. 4 is a perspective view of a buckle in the buckle system of fig. 1.

Fig. 5 shows a cross-sectional view of the internal mechanism of the bezel housing.

Fig. 6 is a perspective view of a battery tray used in the buckle system of fig. 1.

Fig. 7 is a schematic diagram showing the battery tray fully inserted into the battery cavity.

Fig. 8 is a schematic view of a battery tray not fully inserted into the battery cavity.

Fig. 9 is a perspective view of a buckle system having a battery cavity and a battery tray in another arrangement.

Fig. 10 is a perspective view of the buckle system of fig. 9 from another perspective.

Fig. 11 is a schematic diagram of the battery tray of the buckle system of fig. 9 being installed in the battery cavity.

Fig. 12 is a perspective view of a battery tray used in the buckle system of fig. 9.

Fig. 13 is a perspective view of a buckle system having a battery cavity and a battery tray in another alternative configuration.

Fig. 14 is a schematic diagram of the battery tray in the fastener system shown in fig. 13 locked in the battery cavity.

Fig. 15 is a schematic diagram illustrating the battery tray in the buckle system shown in fig. 13 being ejected from the buckle housing after being unlocked.

Fig. 16 is a perspective view of a battery tray used in the buckle system of fig. 13.

Fig. 17 is a schematic view of the buckle system applied to a child carrier.

Detailed Description

Fig. 1 and 2 are perspective views illustrating a buckle system 100 according to an embodiment of the present invention. Referring to fig. 1 and 2, the buckle system 100 includes a buckle housing 102 and one or more buckles 104. According to one embodiment, the buckle system 100 is adapted for use with a child carrier, including, but not limited to, a child safety seat, a stroller seat, and the like. The buckle housing 102 and the buckle 104 may be connected to a child restraint strap, respectively, e.g., the buckle housing 102 may be connected to a crotch strap, and the buckle 104 may include two buckles 104A, 104B connected to shoulder straps, respectively.

Fig. 3 shows a perspective view of the buckle housing 102, fig. 4 shows a perspective view of the buckle 104A, and fig. 5 shows a sectional view of the internal mechanism of the buckle housing 102. Referring to fig. 1-5, the buckle 104A may include a strap connecting portion 106 and a buckle connecting portion 108 that are secured together. The strap connecting portions 106, for example, each include a slot 110 for the strap to pass through, and the fastening portions 108 may be long and adapted to be inserted into the buckle housing 102. The buckle 104B may have a similar structure as the buckle 104A.

The bezel housing 102 may include two opposing ends E1, E2, two opposing side edges SE1, SE2, and two opposing major surfaces S1, S2. Main surfaces S1 and S2 extend from end E1 to end E2, respectively, and are connected to ends E1 and E2, respectively. The side edges SE1 extend from the end E1 to the end E2, and are connected to the main surfaces S1, S2, respectively. The side edge SE2 also extends from the end E1 to the end E2, and is connected to the main surfaces S1, S2 on opposite sides of the side edge SE1, respectively. The end E1 of the buckle housing 102 may include a slot 112 for the strap to pass through and connect to the buckle housing 102, and the buckle housing 102 may have a slot 114 at the end E2 opposite to the slot 112, so that the buckling part 108 of the strap buckle 104A, 104B can be inserted into the buckle housing 102 through the slot 114.

The buckles 104A, 104B are adapted to be connected with the buckle housing 102 or removed from the buckle housing 102. More specifically, when the buckles 104A and 104B are connected to the buckle housing 102, the fastening portions 108 of the buckles 104A and 104B are inserted into the buckle housing 102, respectively, and the buckles 104A and 104B can be removed from the buckle housing 102 when the fastening portions 108 of the buckles 104A and 104B are separated from the buckle housing 102. According to one embodiment, the buckles 104A, 104B are inserted into the buckle housing 102 in a joined state such that the buckles 104A, 104B are simultaneously coupled to the buckle housing 102.

Referring to fig. 1-5, the buckle system 100 further includes a latch mechanism 120 disposed in the buckle housing 102 and adapted to lock the buckles 104A, 104B to the buckle housing 102. According to one embodiment, the latch mechanism 120 may include two latch members 122 and an operating member 124. Only one of the latch members 122 is shown in fig. 5, and two latch members 122 may be disposed in the socket housing 102 in a left-right symmetrical manner. The latch 122 is movably disposed in the buckle housing 102 and can engage with or disengage from the buckle connection 108 to lock or unlock the buckles 104A, 104B with the buckle housing 102. According to one embodiment, the snap-fit portion 108 may be provided with a hook portion 126 adapted to provide a snap-fit of the latch member 122. When the snap 108 is inserted into the buckle housing 102, the latch 122 may engage the hook 126 of the snap 108 to lock the buckles 104A, 104B. According to one embodiment, the latch 122 is pivotally connected to the buckle housing 102, for example, such that the latch 122 can pivot about a pivot axis R to lock or unlock the buckles 104A, 104B.

The operator 124 is operated to cause the latch mechanism 120 to unlock so that the buckle 104A, 104B can be removed from the buckle base shell 102. According to an embodiment, the operation member 124 can be exposed out of the main surface S1 of the holder housing 102 for the caregiver to operate. The operating member 124 is movably connected to the buckle housing 102, for example, the operating member 124 can slide with the buckle housing 102. According to one embodiment, the operating member 124 is coupled to the latch member 122 such that sliding the operating member 124 causes the latch member 122 to lock or unlock, for example: sliding the operating member 124 in a first direction causes the latch member 122 to pivot toward the locked state, and sliding the operating member 124 in a second, opposite direction causes the latch member 122 to pivot toward the unlocked state. To effect the coupling of the latch member 122 and the operating member 124, the operating member 124 is pivotally connected to the latch member 122, for example, at a distance R from the pivot axis.

According to one embodiment, the latch mechanism 120 can further include a spring 128 coupled to the inner sidewall of the buckle housing 102 and the operating member 124, respectively. The spring force of the spring 128 acts to urge the latch member 122, the operating member 124, towards the locked state.

Referring to fig. 1-5, the buckle system 100 may further include a signal generating unit 130, a battery cavity 132 and a battery tray 134. Fig. 6 is a perspective view of a battery tray 134 according to an embodiment of the invention, fig. 7 is a schematic view of the battery tray 134 fully inserted into the battery cavity 132, and fig. 8 is a schematic view of the battery tray 134 not fully inserted into the battery cavity 132. Referring to fig. 1-8, the signal generating unit 130 may be configured to emit an alarm signal to indicate the installation state of the buckles 104A, 104B and the buckle seat housing 102 (e.g., the buckles 104A, 104B have been locked with the buckle seat housing 102, or the buckles 104A, 104B have been unlocked with the buckle seat housing 102). The alarm signal is for example a sound, a display light or a combination thereof. According to an embodiment, the signal generating unit 130 may be disposed in the socket housing 102 and may include a circuit board 136. More specifically, a supporting portion 138 may be disposed in the socket housing 102, and the circuit board 136 may be fixedly connected to the supporting portion 138 inside the socket housing 102. According to an embodiment, the circuit board 136 of the signal generating unit 130 may be disposed adjacent to the end E2 of the bezel housing 102.

Referring to fig. 1-8, a battery cavity 132 is disposed in the socket housing 102 and is adapted to receive a battery BA, so as to provide power to the signal generating unit 130 as a power source for the signal generating unit 130. The battery cavity 132 is, for example, a cavity formed in the socket housing 102, and the battery cavity 132 may include electrodes 140 and 142 electrically connected to the circuit board 136 and adapted to contact a battery BA, wherein the battery cavity 132 is, for example, adapted to receive the flat battery BA. According to an embodiment, the battery cavity 132 may be located adjacent to the end E2 of the bezel housing 102. The retainer housing 102 has an opening 144 in communication with the battery cavity 132, wherein the opening 144 may be disposed in the end E2 adjacent to the slot 114. Thereby, the caregiver can install the battery BA in the battery cavity 132 or remove the battery BA from the battery cavity 132 through the opening 144.

The battery tray 134 is adapted to hold the battery BA, wherein the battery tray 134 must be inserted into the battery cavity 132 or removed from the battery cavity 132 through the opening 144 in the case of holding the battery BA, so that the battery BA can be installed in the battery cavity 132 or removed from the battery cavity 132. The battery carrier tray 134 may be of any suitable shape.

Referring to fig. 1-8, the battery tray 134 is, for example, generally flat in shape to occupy less space. The battery tray 134 may have a receiving cavity 146 and a locking portion 148, wherein the receiving cavity 146 is suitable for positioning the battery BA, and the locking portion 148 is used for locking the battery tray 134 with the buckle housing 102. According to one embodiment, the receiving groove 146 has a substantially circular shape so as to position the flat battery BA. According to one embodiment, the battery tray 134 including the receiving groove 146 and the locking portion 148 may be integrally formed. The locking portion 148 can protrude from the receiving groove 146 and lock the battery tray 134 when the battery tray 134 is fully inserted into the battery cavity 132, so as to prevent the battery tray 134 from being separated from the battery cavity 132.

Referring to fig. 5-8, a fastening portion 150 may be disposed in the buckle housing 102, and the battery tray 134 may be locked with the buckle housing 102 by the engagement between the engaging portion 148 and the fastening portion 150 when inserted into the battery cavity 132. According to one embodiment, the engaging portion 148 may include an elastic piece having a protrusion 148A formed at the end thereof, and the fastening portion 150 may be fixedly connected to the buckle housing 102. For example, the fastening portion 150 may be a protrusion on the inner side of the buckle housing 102, which is engaged with the protrusion 148A of the engaging portion 148 when the battery carrier 134 is inserted into the battery cavity 132, so as to prevent the battery carrier 134 from moving in a direction away from the battery cavity 132.

In addition, the buckle housing 102 may further have an unlocking hole 152, which is configured to allow the caregiver to operate from the outside of the buckle housing 102 through the unlocking hole 152 and to cause the clamping portion 148 inside the buckle housing 102 to disengage from the fastening portion 150. For example, the unlocking hole 152 may be disposed in the main surface S2 of the bezel housing 102 and located adjacent to the end E1 of the bezel housing 102. The fastening portion 150 may be disposed in the buckle housing 102 adjacent to the unlocking hole 152, for example, the fastening portion 150 may be a protrusion extending along a sidewall of the unlocking hole 152. When the battery tray 134 is inserted into the battery cavity 132 and locked with the buckle housing 102, the caregiver can insert an object with a suitable shape through the unlocking hole 152 and push the locking portion 148, so that the locking portion 148 is disengaged from the fastening portion 150 to unlock the battery tray 134. The unlocking hole 152 may be of any suitable shape and size. According to one embodiment, the unlocking hole 152 is sized to receive the buckling portion 108 of the buckle 104A or 104B, for example, such that the buckling portion 108 can contact the clamping portion 148 through the unlocking hole 152 to force the clamping portion 148 out of engagement with the fastening portion 150. According to one embodiment, the dimensions of the unlocking hole 152 may be smaller than the opening 144 of the latch housing 102.

Referring to fig. 1-8, a pushing member 154 may be further disposed in the buckle housing 102, and when the buckling portion 148 is disengaged from the fastening portion 150, the battery tray 134 may be pushed by the pushing member 154 to pop out of the opening 144 of the buckle housing 102, so that the caretaker can take out the battery tray 134 conveniently. According to one embodiment, the pushing member 154 is a resilient member and can be biased toward the opening 144 by its own resilience. The battery tray 134 contacts the pushing member 154 when the engaging portion 148 is disengaged from the fastening portion 150, so that the pushing member 154 is provided with elastic force to eject the battery tray 134 out of the opening 144 of the buckle housing 102. For example, the pushing member 154 is a laterally extending elastic piece, which can contact the end of the engaging portion 148 when the engaging portion 148 is disengaged from the fastening portion 150, so that the pushing member 154 can push the battery tray 134 out of the opening 144 of the buckle housing 102 by contacting the engaging portion 148.

Fig. 9-12 are diagrams illustrating the buckle system 100 with a battery cavity 132 and a battery tray 134 in another configuration, wherein fig. 9 and 10 are perspective views of the buckle system 100, fig. 11 is a schematic view illustrating the battery tray 134 being loaded into the battery cavity 132, and fig. 12 is a perspective view illustrating the battery tray 134. Referring to fig. 9-12, as mentioned above, the buckle system 100 may include the buckle housing 102 and the two buckles 104A, 104B, the buckle housing 102 defines the battery cavity 132 adapted to receive the battery BA, the battery tray 134 is inserted into the battery cavity 132 or removed from the battery cavity 132 through the opening 144 of the buckle housing 102 when the battery BA is loaded, and the caregiver operates through the unlocking hole 152 to unlock the battery tray 134 from the buckle housing 102. However, the embodiment of fig. 9-12 has the battery cavity 132 disposed in the buckle housing 102 adjacent to the end E1 thereof connected to the strap, the opening 144 disposed in the side edge SE2 of the buckle housing 102, and the unlocking hole 152 disposed in the side edge SE1 of the buckle housing 102, i.e., the opening 144 and the unlocking hole 152 are respectively located on opposite sides of the buckle housing 102.

Referring to fig. 11 and 12, the battery tray 134 may have a receiving groove 160 and a locking portion 162, wherein the receiving groove 160 is suitable for positioning the battery BA, and the locking portion 162 is used for locking the battery tray 134 and the buckle housing 102. According to an embodiment, the battery tray 134 including the receiving groove 160 and the engaging portion 162 may be integrally formed. The locking portion 162 protrudes out of the receiving groove 160 and locks the battery tray 134 when the battery tray 134 is fully inserted into the battery cavity 132, so as to prevent the battery tray 134 from being separated from the battery cavity 132.

Referring to fig. 10 and 11, a fastening portion 164 may be disposed in the buckle housing 102, and the battery tray 134 may be locked with the buckle housing 102 by the engagement between the engaging portion 162 and the fastening portion 164 when inserted into the battery cavity 132. According to one embodiment, the two opposite sides of the engaging portion 162 are respectively provided with a protrusion 162A, and the fastening portion 164 can be fixedly connected to the buckle housing 102 and has two engaging protrusions 164A. The fastening portion 164 may be disposed in the latch housing 102 adjacent to a moving path of the latch portion 162 inserted into the latch housing 102. According to one embodiment, the fastening portion 164 is disposed inside the buckle housing 102, for example, adjacent to the unlocking hole 152. When the battery disc 134 is inserted into the battery cavity 132, the protrusions 162A of the engaging portion 162 can engage with the engaging protrusions 164A of the fastening portion 164, so as to prevent the battery disc 134 from moving in a direction away from the battery cavity 132, thereby locking the battery disc 134 with the buckle housing 102. According to an embodiment, the protrusion 162A of the engaging portion 162 and the engaging protrusion 164A of the fastening portion 164 can be elastically engaged or disengaged by their own material.

When the battery tray 134 is to be removed from the battery cavity 132, the caregiver can push the battery tray 134 through the unlocking hole 152 to eject the battery tray 134 out of the opening 144 of the buckle housing 102 by disengaging the engaging portion 162 from the fastening portion 164. For example, the caregiver can insert an object (e.g., the buckle portion of the buckle 104A) with a suitable shape into the unlocking hole 152 and push the fastening portion 162, so as to force the protrusion 162A of the fastening portion 162 to disengage from the engaging protrusion 164A of the fastening portion 164, and push the battery tray 134 to pop out of the opening 144 of the buckle housing 102.

Fig. 13-16 are diagrams illustrating the buckle system 100 with a battery cavity 132 and a battery tray 134 in another alternative configuration, wherein fig. 13 is a perspective view of the buckle system 100, fig. 14 is a schematic view illustrating the battery tray 134 locked in the battery cavity 132, fig. 15 is a schematic view illustrating the battery tray 134 ejected from the buckle housing 102 after being unlocked, and fig. 16 is a perspective view illustrating the battery tray 134. Referring to fig. 13-16, as mentioned above, the buckle system 100 may include the buckle housing 102 and the two buckles 104A, 104B, the buckle housing 102 defines the battery cavity 132 therein for receiving the battery BA, and the battery tray 134 may be inserted into the battery cavity 132 through the opening 144 of the buckle housing 102 or removed from the battery cavity 132 when the battery BA is supported. In addition, the battery cavity 132 is also disposed in the buckle housing 102 adjacent to the end E1 thereof connected with the strap, and the opening 144 is disposed in the side edge SE2 of the buckle housing 102. Unlike the previous embodiments, the embodiment of FIGS. 13-16 does not have the unlocking hole 152.

Referring to fig. 13-16, the battery tray 134 can have a receiving groove 170 and a locking portion 172, wherein the receiving groove 170 is suitable for positioning the battery BA, and the locking portion 172 is used for locking the battery tray 134 with the buckle housing 102. According to an embodiment, the battery tray 134 including the receiving groove 170 and the locking portion 172 may be integrally formed. The locking portion 172 can protrude from the receiving groove 170 and lock the battery tray 134 when the battery tray 134 is fully inserted into the battery cavity 132, so as to prevent the battery tray 134 from being separated from the battery cavity 132.

Referring to fig. 13-16, a fastening portion 174 may be disposed in the buckle housing 102, and the battery tray 134 may be locked with the buckle housing 102 by the engagement between the engaging portion 172 and the fastening portion 174 when inserted into the battery cavity 132. According to one embodiment, the latch portion 172 has a protrusion 172A at one side thereof, and the fastening portion 174 can be engaged with the protrusion 172A of the latch portion 172 to lock the battery tray 134 with the buckle housing 102.

According to one embodiment, the fastening portion 174 is movably assembled with the socket housing 102 such that the fastening portion 174 can move relative to the socket housing 102 to engage or disengage with the catch portion 172. For example, the fastening portion 174 can be slidably connected to the buckle housing 102, such that the fastening portion 174 can be slidably moved relative to the buckle housing 102 between a locking position and an unlocking position, wherein the fastening portion 174 is engaged with the protrusion 172A of the locking portion 172 when in the locking position, and disengaged from the protrusion 172A of the locking portion 172 when in the unlocking position. According to an embodiment, the fastening portion 174 may be disposed in the buckle housing 102 adjacent to a moving path of the clamping portion 172 inserted into the buckle housing 102 and slide substantially perpendicular to the moving path of the clamping portion 172. According to an embodiment, the fastening portion 174 is, for example, provided in the bezel housing 102 adjacent to the side edge SE1 thereof.

Referring to fig. 13-16, the fastening portion 174 may be connected to an elastic member 176, such that the elastic member 176 may urge the fastening portion 174 to move and engage with the engaging portion 172. According to one embodiment, the elastic member 176 is a spring, and two opposite ends of the spring are connected to the fastening portion 174 and the inner sidewall of the buckle housing 102, respectively. When the battery carrier 134 is inserted into the battery cavity 132, the elastic member 176 can urge the fastening portion 174 to move and engage with the engaging portion 172, so as to prevent the battery carrier 134 from moving in a direction away from the battery cavity 132, thereby locking the battery carrier 134 with the buckle housing 102. Fig. 14 shows a state where the engaging portion 172 is engaged with the fastening portion 174.

In addition, a portion of the fastening portion 174 may be exposed out of the holder housing 102, so that the caregiver can manually operate the fastening portion 174 to move the fastening portion 174 out of engagement with the engaging portion 172. For example, the fastening portion 174 may be disposed adjacent to the side edge SE1 and exposed to the side edge SE1.

Referring to fig. 14 and 15, one or more pushing members 180 may be further disposed in the latch housing 102, and when the latching portion 172 is disengaged from the fastening portion 174, the battery tray 134 may be pushed by the pushing members 180 to pop out of the opening 144 of the latch housing 102, so that the carer can take out the battery tray 134 conveniently. According to one embodiment, the pushing member 180 is an elastic member, and can be biased toward the opening 144 by its own elasticity. When the battery tray 134 is loaded into the retainer shell 102, the pushing member 180 can be pushed, so that the pushing member 180 stores elastic force. The battery tray 134 can be ejected out of the opening 144 of the buckle housing 102 by the elastic force of the pushing member 180 when the clamping portion 172 is disengaged from the fastening portion 174. For example, the pushing member 180 can include a spring that contacts and pushes the battery carrier 134 on opposite sides of the snap-fit portion 172 when the snap-fit portion 172 is disengaged from the fastening portion 174, thereby urging the battery carrier 134 to eject out of the opening 144 of the buckle housing 102. Fig. 15 shows the battery tray 134 ejected from the opening 144 of the buckle housing 102 after the engagement between the engaging portion 172 and the fastening portion 174.

Fig. 17 is a schematic view of the buckle system 100 applied to a child carrier 200. Referring to fig. 17, a child carrier 200, such as a child safety seat, is provided with a crotch strap 202 and shoulder straps 204A, 204B. The crotch strap 202 may be connected to the buckle housing 102 of the buckle system 100, while the shoulder straps 204A, 204B may be connected to the buckles 104A, 104B of the buckle system 100, respectively.

The structure of the invention has the advantages that the buckle system is provided with the signal generating unit and the battery cavity, wherein the signal generating unit can be configured to send out an alarm signal, and the battery cavity can provide a space for conveniently installing and taking out the battery so as to be used as a power supply of the signal generating unit, thereby being convenient to use and having elasticity.

Certain embodiments of a buckle system and child carrier have been described. These embodiments are merely preferred examples of the present invention, which should not be construed as limiting the scope of the invention, and therefore all equivalent variations which can be made in the scope of the invention are included in the claims of the present invention.

Claims (21)

1. A buckle system, comprising:

a buckle seat shell;

a buckle adapted to be connected to or removed from the buckle housing;

the latching mechanism is arranged in the buckle seat shell and can lock the buckle and the buckle seat shell; a battery cavity disposed in the cradle housing and adapted to receive a battery so as to be able to supply power to the signal generating unit, wherein the cradle housing has an opening communicating with the battery cavity; and

and the battery carrying disc is suitable for carrying a battery, wherein the battery carrying disc is suitable for being inserted into or taken out of the battery cavity through the opening so as to install the battery into the battery cavity or take the battery out of the battery cavity.

2. The fastener system of claim 1, wherein the battery tray has a receiving cavity adapted to receive a battery, the receiving cavity having a substantially circular shape to receive a flat round battery.

3. The buckle system of claim 1, wherein the buckle portion of the buckle is insertable into the buckle housing through a slot provided in one end portion of the buckle housing, and the opening is provided in the end portion adjacent to the slot.

4. The buckle system of claim 1, wherein an end of the buckle housing is connectable to a belt, and the battery cavity is located adjacent the end of the buckle housing.

5. The buckle system of claim 1, wherein the buckle housing has two opposite side edges and an end portion connected to the two side edges and having a slot into which a buckle portion of the buckle is inserted, and the opening is provided in one of the two side edges.

6. The buckle system of claim 1, wherein the battery carrier is provided with a locking portion and the buckle housing is provided with a fastening portion, and the battery carrier is locked with the buckle housing by the locking portion and the fastening portion when inserted into the battery cavity.

7. The buckle system of claim 6, wherein the battery tray has a receiving slot adapted to receive a battery, and the engaging portion protrudes from the receiving slot.

8. The buckle system of claim 6 wherein the snap-fit portion is integrally formed with the battery carrier.

9. The buckle system of claim 6, wherein the buckle housing has an unlocking hole configured to allow a caregiver to operate from an outside of the buckle housing through the unlocking hole and to urge the catching portion out of engagement with the fastening portion.

10. The buckle system of claim 9, wherein the fastening portion is disposed in the buckle housing adjacent to the unlocking aperture.

11. The buckle system of claim 9, wherein the fastening portion is a protrusion extending along a sidewall of the unlocking hole.

12. The buckle system of claim 9, wherein the buckle housing has an end portion and a major surface connected thereto, the opening being disposed in the end portion, the unlocking hole being disposed in the major surface.

13. The buckle system of claim 9, wherein the opening and the unlatching aperture are disposed in two opposing side edges of the buckle housing, respectively.

14. The buckle system of claim 6, wherein a pushing member is disposed in the buckle housing, and the battery tray is pushed by the pushing member to be ejected out of the opening when the engaging portion is disengaged from the fastening portion.

15. The buckle system of claim 14 wherein the urging member is a resilient member.

16. The buckle system of claim 6, wherein the fastening portion is fixedly coupled to the buckle housing.

17. The buckle system of claim 6, wherein the fastening portion is movably assembled with the buckle housing such that the fastening portion is movable relative to the buckle housing to engage or disengage with the engaging portion.

18. The fastener system of claim 17, wherein the fastening portion is connected to a resilient member, the resilient member urging the fastening portion to move and engage the engaging portion.

19. The buckle system of claim 1, further comprising a signal generating unit disposed in the buckle housing and including a circuit board, wherein the battery cavity includes a first electrode and a second electrode, and the first electrode and the second electrode are electrically connected to the circuit board and adapted to contact a battery.

20. The buckle system of claim 19, wherein the signal generating unit is configured to emit an alarm signal to indicate the installation state of the buckle and the buckle seat housing.

21. A child carrier, comprising:

a crotch strap and a shoulder strap; and

the buckle system of any one of claims 1-20, wherein the crotch strap is connected to the buckle housing and the shoulder strap is connected to the buckle.

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