CN205130990U - ISOFIX connector of automobile -used children's safety seat - Google Patents

Abstract

The utility model discloses an ISOFIX connector for a child safety seat for a vehicle, which comprises a connector base, a rotating piece and a locking and releasing mechanism for the turning piece. The opening chute matched with the shaft, the rotating piece is rotatably set in the connector base, and the rotating piece is provided with a card slot for locking the shaft on the ISOFIX interface, and the feature is that the locking and releasing mechanism of the rotating piece includes a release block And the locking block, the release block is set in the connector base so as to slide back and forth, the locking block is set on the release block and its movement is controlled by the release block, the rotating piece is provided with a locking groove and a loosening surface, when locked, the locking block It is set in the locking groove. When releasing, the locking block comes out of the locking groove and abuts against the loosening surface. The side of the release block is provided with an operating groove, and the side of the connector base is provided with a groove corresponding to the operating groove. Corresponding to the operation opening, the release block is provided with a reset mechanism. The utility model has the advantages of simple structure, convenient operation, suitable volume and good stability in use.

Description

An ISOFIX connector for a child safety seat for a vehicle

technical field

The utility model relates to the field of child safety seats for vehicles, in particular to an ISOFIX connector for child safety seats for vehicles.

Background technique

The existing car child installation seat adopts various installation methods to connect and fix the seat on the car. Generally, it is most common to use the rear seat belt wrapping and the ISOFIX interface for fixing, and the car rear seat belt wrapping fixation Generally, the operation is more complicated, and it is easy to make mistakes during installation, which will lead to the situation that the child safety seat cannot be installed stably, thus affecting the safety of use, while the method of fixing with the ISOFIX interface is relatively easy to install, so that children The installation of the safety seat becomes quick and easy. In addition, the ISOFIX system makes a rigid connection between the ISOFIX connector and the ISOFIX interface configured in the car, making the use of the child safety seat safer.

Chinese invention patent 201510343682.0 discloses an ISOFIX connector for a car child safety seat, including a bracket, a lock hook, a connecting rod and a tension spring. The front end of the bracket has an opening to connect to the ISOFIX interface on the car, and the lock hook is assembled in the bracket through rivets. The connecting rod is put into the rear end of the bracket, and the connection between the connecting rod and the bracket is inserted into the lock pin to fix it. One end of the tension spring is connected with the tension spring buckle on the lock hook, and the other end of the tension spring is connected with the tension spring on the connecting rod. hook connection. The ISOFIX connector with the above structure mainly drives the locking and releasing of the locking hook through the movement of the connecting rod. The connecting rod is arranged at the rear of the bracket and needs to be pulled backward to make the locking hook rotate, which is troublesome to operate. At the same time, To pull the connecting rod backward, the rear end of the connecting rod will inevitably protrude from the outside of the bracket, so it will take up a large space, making the ISOFIX connector larger in size; in addition, the tension spring in the ISOFIX connector must drive The rotation of the rotating piece will drive the pull rod to reset again. If the tension spring fails, the entire connector cannot be used normally, and the use stability is not good.

Contents of the invention

The technical problem to be solved by the utility model is to provide an ISOFIX connector for a vehicle child safety seat with simple structure, convenient operation, suitable volume and good stability in use.

The technical solution adopted by the utility model to solve the problems of the technologies described above is:

An ISOFIX connector for a child safety seat for a vehicle, comprising a connector base, a rotating piece and a locking and releasing mechanism for the turning piece, the said connector base is provided with a The matching opening chute, the rotating piece is rotatably set in the connector base, the rotating piece is provided with a card slot for locking the shaft on the ISOFIX interface, the card The slot changes between a locking position and a releasing position relative to the opening chute as the rotating piece rotates, and the locking and releasing mechanism of the rotating piece is used to control the locking position and the releasing position of the locking slot. switch between positions, the locking release mechanism of the rotary piece includes a release block and a locking block, the release block is slidably set inside the connector base, and the locking block is set on The movement is controlled on and through the release block. The rotating piece is provided with a locking groove and a loose surface. When the shaft on the ISOFIX interface is locked, the locking block is set on the In the locking groove, when the shaft on the ISOFIX interface is released, the locking block is disengaged from the locking groove by operating the release block and abuts against the loosening surface , the side of the release block is provided with an operation groove, the side of the connector base is provided with an operation opening corresponding to the operation groove, and the release block is provided with a The reset mechanism for the release block reset described above.

The reset mechanism is a tension spring, and the upper end surface of the release block is provided with a downwardly recessed installation cavity, and the tension spring is horizontally arranged in the installation cavity, and the front mounting cavity is provided with a front The mounting column and the rear mounting column, the front mounting column and the rear mounting column are at the same level as the tension spring and the central axes of the front mounting column and the rear mounting column are in line with the The central axis of the extension spring is vertical, the rear mounting column is fixedly arranged in the installation cavity, the two sides of the installation cavity are respectively provided with hollow slide grooves, and the front mounting column can be slid back and forth. In the hollow chute, the two ends of the front mounting column are fixedly arranged on the connector base, and the two ends of the tension spring are respectively installed on the front mounting column and the post-installation post. The reset mechanism adopts a tension spring, which has a simple structure. In addition, the tension spring is set in the installation cavity on the release block, which makes full use of the use space of the release block, so that the volume of the entire ISOFIX connector will not be too large, and the tension spring is installed on the In the installation cavity, the failure rate of the tension spring can be greatly reduced, which effectively ensures the stability of the entire connector. The hollow chute provides a certain movement stroke for the movement of the release block, which acts as a guide and limits the movement stroke. , which can further prevent the tension spring from failing due to excessive stretching, so that the use of the entire connector is more stable.

The side of the release block is provided with a positioning groove, one side of the locking block is fixedly arranged in the positioning groove, and the connector base is provided with a The other side of the locking block is slidably set in the guide chute. Through the cooperation of the positioning groove and the guide chute, the locking block can be stably installed and positioned to ensure that the locking block can be used stably. The tension spring fails to ensure the stability of the entire connector.

The outside of the connector base is provided with a protective cover that matches the connector base, the rear end of the protective cover is provided with an end cover, and the side of the protective cover is provided with the The operating opening corresponds to the operating port. The protective cover makes the whole connector form a complete whole, and at the same time, it is used to protect the overall movement mechanism set in it, and separates the protective cover from the end cover for easy installation. At the same time, the overall movement mechanism is further protected by the end cover. The side part is arranged at the operation port corresponding to the operation opening, which is convenient for locking and releasing the connector.

The rotating piece is rotatably arranged on the connector base through a rotating shaft, and a double torsion spring is arranged on the rotating piece, and the double torsion spring includes a mounting ring and a ring respectively arranged on the mounting ring. For the first arm and the second arm on both sides, the mounting ring is set on the rotating shaft, the first arm is set on the rotating piece, and the second arm is set against the protection on the inner wall of the sleeve. When the locking block is disengaged from the locking groove, the double torsion spring drives the rotating plate to automatically reset to the release position, which is convenient for the next installation and connection of the shaft on the ISOFIX interface.

The rotating piece is provided with a hook groove, and the first arm is hooked in the hook groove. The first arm of the double torsion spring is installed and fixed through the hook groove, and the structure is simple and the installation is stable.

The two sides of the rear end of the connector base are respectively provided with mounting holes for mounting the end caps. Simple structure, simple and convenient installation.

Compared with the prior art, the utility model has the advantages that the locking and releasing mechanism of the rotary piece includes a release block and a locking block, and a reset mechanism for resetting the release block is arranged on the release block, and the locking block and the reset mechanism respectively Undertake the task of driving the rotating piece to rotate and drive the release block to reset. It has a simple structure, reasonable motion distribution, and good stability in use; The operation opening corresponding to the groove, the operation groove and the operation opening are respectively arranged on the side, which can effectively save space and is convenient to operate.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural representation of the utility model with protective cover and end cap removed;

Fig. 3 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 4 is a sectional structural schematic diagram of the utility model at the release position;

Fig. 5 is a schematic cross-sectional structure diagram of the utility model in the locking position;

Fig. 6 is a schematic structural view of the utility model intermediate sheet;

Fig. 7 is the structural representation of release block in the utility model;

Fig. 8 is a structural schematic diagram of the connector base in the utility model;

Fig. 9 is a schematic structural view of a double torsion spring in the present invention.

detailed description

The utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 9, an ISOFIX connector for a child safety seat for a vehicle includes a connector base 1, a rotating piece 2 and a locking and releasing mechanism for the turning piece. The opening chute 11 matched with the shaft 10 on the ISOFIX interface installed on the top, the rotary piece 2 is rotatably set in the connector base 1, and the rotary piece 2 is provided with a card slot 21 for locking the shaft 10 on the ISOFIX interface , the card slot 21 switches between a locking position and a release position with the rotation of the rotating piece 2 relative to the opening chute 11, and the locking and releasing mechanism of the rotating piece is used to control the switching of the card slot 21 between the locking position and the releasing position. The piece lock release mechanism includes a release block 3 and a locking block 4. The release block 3 is slidably arranged in the connector base 1. The locking block 4 is arranged on the release block 3 and is controlled by the release block 3. Turning The piece 2 is provided with a locking groove 22 and a loosening surface 23. When the shaft 10 on the ISOFIX interface is locked, the locking block 4 is set in the locking groove 22. When the shaft 10 on the ISOFIX interface is released, the release block 3 is operated to make it The locking block 4 breaks away from the locking groove 22 and abuts against the loosening surface 23, the side of the release block 3 is provided with an operation groove 31, and the side of the connector base 1 is provided with a corresponding to the operation groove 31. The opening 12 is operated, and the release block 3 is provided with a reset mechanism for resetting the release block 3 .

In this specific embodiment, the reset mechanism is a tension spring 5, and the upper end surface of the release block 3 is provided with a downwardly recessed mounting cavity 32, and the tension spring 5 is horizontally arranged in the mounting cavity 32, and the mounting cavity 32 is provided with a front mounting column 321 and the rear mounting column 322, the front mounting column 321 and the rear mounting column 322 are in the same horizontal plane as the extension spring 5 and the central axis of the front mounting column 321 and the rear mounting column 322 is perpendicular to the central axis of the extension spring 5, and the rear mounting column 322 is fixed Installed in the installation cavity 32, the two sides of the installation cavity 32 are respectively provided with hollow chute 323, the front installation column 321 is set in the hollow chute 323 so as to slide back and forth, and the two ends of the front installation column 321 are fixedly arranged on the connector On the base 1 , the two ends of the extension spring 5 are installed on the front mounting column 321 and the rear mounting column 322 respectively. The reset mechanism adopts a tension spring 5, which has a simple structure. In addition, the tension spring 5 is arranged in the installation cavity 32 on the release block 3, which fully utilizes the use space of the release block 3, so that the volume of the entire ISOFIX connector will not be too large. And the extension spring 5 is installed in the installation cavity, which can greatly reduce the failure rate of the extension spring 5, effectively ensuring the stability of the entire connector, and the hollow chute 323 provides a certain movement stroke for the movement of the release block 3, here It plays the role of guiding and limiting the movement stroke, which can further prevent the tension spring 5 from failing due to excessive stretching, so that the use of the entire connector is more stable.

In this specific embodiment, the side of the release block 3 is provided with a positioning groove 33, one side of the locking block 4 is fixedly arranged in the positioning groove 33, and the connector base 1 is provided with a guide that matches the locking block 4. The sliding slot 13 , the other side of the locking block 4 is set in the guiding sliding slot 13 so as to slide back and forth. Through the cooperation of the positioning groove 33 and the guide chute 13, a stable installation and positioning of the locking block 4 is provided to ensure that the locking block 4 can be used stably. Excessive stretching causes the extension spring 5 to fail, ensuring the stability of the entire connector.

In this specific embodiment, a protective cover 6 matching with the connector base 1 is provided on the outside of the connector base 1, an end cover 7 is provided at the rear end of the protective cover 6, and an operating cover is provided on the side of the protective cover 6. The opening 12 corresponds to the operating port 61 . The protective cover 6 makes the entire connector form a complete whole, and at the same time is used to protect the overall movement mechanism arranged in it, and separates the protective cover 6 from the end cover 7 for easy installation, and at the same time, the overall movement mechanism is further protected by the end cover 7. In addition An operation port 61 corresponding to the operation opening 12 is provided on the side of the protective cover 6 to facilitate the locking and releasing operations of the connector.

In this specific embodiment, the rotating piece 2 is rotatably arranged on the connector base 1 through the rotating shaft 8, and the rotating piece 2 is provided with a double torsion spring 9. The double torsion spring 9 includes a mounting ring 91 and is respectively arranged on the mounting ring. The first arm 92 and the second arm 93 on both sides of 91, the mounting ring 91 is set on the rotating shaft 8, the first arm 92 is set on the rotating piece 2, and the second arm 93 is set on the inner wall of the protective sleeve 6. When the locking block 4 is disengaged from the locking groove 22, the double torsion spring 9 drives the rotating piece 2 to automatically reset to the release position, which is convenient for the next installation and connection of the shaft 10 on the ISOFIX interface.

In this specific embodiment, the rotating piece 2 is provided with a hooking groove 24 , and the first arm 92 is hooked in the hooking groove 24 . The first arm 92 of the fixed double torsion spring 9 is installed and fixed through the hook groove 24, and the structure is simple and the installation is stable.

In this specific embodiment, two side portions of the rear end of the connector base 1 are respectively provided with mounting holes 14 for mounting the end cap 7 . Simple structure, simple and convenient installation.

Claims (7)

1. An ISOFIX connector for a child safety seat for a vehicle, comprising a connector base, a rotating piece and a locking and releasing mechanism for the rotating piece, the described connector base is provided with an ISOFIX interface installed on the automobile The opening chute matched with the shaft, the rotating piece is rotatably set in the connector base, the rotating piece is provided with a slot for locking the shaft on the ISOFIX interface, the The card slot is switched between a locking position and a release position as the rotating piece rotates relative to the opening chute, and the locking and releasing mechanism of the rotating piece is used to control the locking position of the card slot Switch between the release position and the release position, characterized in that the lock release mechanism of the rotary piece includes a release block and a lock block, and the release block is slidably set in the connector base forward and backward, and the The locking block is arranged on the release block and its movement is controlled by the release block. The rotating piece is provided with a locking groove and a loosening surface. When the shaft on the ISOFIX interface is locked, the lock The tight block is set in the locking groove. When the shaft on the ISOFIX interface is released, the locking block is disengaged from the locking groove by operating the release block and abuts against the On the release surface, the side of the release block is provided with an operation groove, the side of the connector base is provided with an operation opening corresponding to the operation groove, and the release block A reset mechanism for resetting the release block is provided on the top. 2. The ISOFIX connector of a child safety seat for vehicles as claimed in claim 1, wherein the reset mechanism is a tension spring, and the upper end surface of the release block is provided with a downwardly recessed installation cavity , the tension spring is horizontally arranged in the installation cavity, the front installation column and the rear installation column are arranged in the installation cavity, and the front installation column and the rear installation column are connected with the pull The springs are on the same horizontal plane and the central axes of the front mounting column and the rear mounting column are perpendicular to the central axis of the extension spring, and the rear mounting column is fixedly arranged in the mounting cavity. The two sides of the mounting cavity are respectively provided with hollow chute, the front mounting column can be slidably set in the hollow chute, and the two ends of the front mounting column are fixedly arranged on the connecting On the device base, the two ends of the extension spring are installed on the front mounting post and the rear mounting post respectively. 3. The ISOFIX connector of a child safety seat for a vehicle according to claim 1, wherein a positioning groove is arranged on a side of the release block, and a side of the locking block is fixedly arranged on In the positioning groove, the connector base is provided with a guide chute that matches the locking block, and the other side of the locking block is slidably set on the guide inside the chute. 4. The ISOFIX connector of a child safety seat for a vehicle as claimed in claim 1, wherein a protective cover matching the connector base is provided outside the connector base, so that The rear end of the protective cover is provided with an end cap, and the side of the protective cover is provided with an operation port corresponding to the operation opening. 5. The ISOFIX connector of a child safety seat for vehicles as claimed in claim 4, wherein said rotating piece is rotatably arranged on said connector base through a rotating shaft, and said rotating piece A double torsion spring is arranged on the sheet, and the double torsion spring includes a mounting ring and a first arm and a second arm respectively arranged on both sides of the mounting ring, and the mounting ring is sleeved on the rotating shaft. The first arm is arranged on the rotating piece, and the second arm is arranged against the inner wall of the protective sleeve. 6. The ISOFIX connector of a child safety seat for a vehicle as claimed in claim 5, wherein a hook groove is provided on the rotating piece, and the first arm is hooked in the hook groove . 7. The ISOFIX connector of a child safety seat for a vehicle as claimed in claim 4, wherein the two side parts of the rear end of the connector base are respectively provided with holes for installing the end caps. Mounting holes.