CN105799559B - Height adjusting mechanism and infant carrier with same - Google Patents

Abstract

The present invention discloses a height adjustment mechanism, comprising a supporting leg tube, a fixing seat, a clamping piece, an elastic piece and an operating piece. The supporting leg tube comprises an outer tube and an inner tube slidably sleeved inside the outer tube. The inner tube is provided with a plurality of inner holes along its axial direction, and the outer tube is provided with an outer hole. The fixing seat is installed outside the outer tube. The clamping piece comprises a clamping body installed between the fixing seat and the outer tube and a clamping portion protruding from the clamping body. The elastic piece provides an elastic force for the clamping portion to be engaged with the outer hole and the inner hole to lock the inner tube and the outer tube. The operating piece drives the clamping piece to disengage from the inner hole to unlock the inner tube and the outer tube. The present invention realizes unlocking of the outer tube and the inner tube through the operating piece, and the elastic piece ensures that the clamping piece is engaged with the inner hole in the locked state. The height adjustment mechanism is not only simple to operate but also highly safe. In addition, the present invention also discloses an infant carrier having this height adjustment mechanism, and the height adjustment mechanism adjusts the height of the infant carrier.

Description

Height adjustment mechanism and infant carrier with the height adjustment mechanism

technical field

The invention relates to the field of children's products, in particular to an infant carrier and a height adjustment mechanism for adjusting the height of the infant carrier.

Background technique

With the continuous development of society, more and more families have their own cars, and children have more and more opportunities to travel by car with their parents. Due to the weak self-protection ability of children, children in vehicles tend to suffer greater injuries than adults in accidents. In response to this situation, various children's car seats have appeared on the market, and these children's car seats can be fixed on the common car seat for use, so that the children in the car can have a comfortable feeling while getting safety guarantees.

Generally speaking, these children's car seats can be connected with the sockets on the car seat through the International Standardization Organization fixing device (ISOFIX) arranged at its rear end, and at the front end of the child's car seat, a support foot can be provided to prevent the child's car seat from The seat moves towards the direction of the car, making the fixation of the child's car seat more stable.

On the other hand, the support feet can be provided with a height adjustment mechanism to connect to different car models. With the development of children's car seats, a height adjustment mechanism with simple structure and convenient operation is now required.

Contents of the invention

The purpose of the present invention is to provide a height adjustment mechanism with simple structure and convenient operation.

Another object of the present invention is to provide an infant carrier, which has a height adjustment mechanism with simple structure and convenient operation.

In order to realize the purpose, the invention discloses a height adjustment mechanism, which includes a support leg tube, a fixing seat, a locking part, an elastic part and an operating part. The supporting leg tube includes an outer tube and an inner tube slidably sleeved in the outer tube. The inner tube has a plurality of inner holes arranged along its axial direction, and the outer tube is provided with at least one outer hole corresponding to the positions of the inner holes. The fixing seat is installed outside the outer tube. The engaging piece includes an engaging body and an engaging portion protruding from the engaging body, the engaging body is installed between the fixing seat and the outer tube, and the engaging portion is connected to the outer tube. The positions of the outer holes are relative. The elastic member provides elastic force for the engaging portion to extend into the inner hole and the at least one outer hole, so that the engaging portion engages with the inner hole and the at least one outer hole, so that The inner tube and the outer tube are locked. The operating part is partially exposed outside the fixing seat. The operating member is operated, and the operating member drives the engaging portion to disengage from the inner hole, so as to unlock the inner tube and the outer tube.

Compared with the prior art in the present invention, the height adjustment mechanism of the present invention can only unlock the inner tube and the outer tube by controlling the action of the operating member, and in the locked state, the elastic member will ensure that the engaging part is in contact with the inner tube The holes snap together to prevent accidents. The height adjustment mechanism is not only easy to operate but also highly safe.

Preferably, the engaging body is in the shape of a sheet. This solution makes the structure of the engaging part simple, easy to manufacture and saves material.

Preferably, two opposite edges of the engaging body are bent relative to each other to form a reinforcing rib, and the reinforcing rib can strengthen the strength of the engaging part. Wherein, the reinforcing rib can be formed on the fastening part through the hemming process, which is convenient to manufacture and low in cost.

Specifically, the engaging member is provided with a plurality of engaging parts, and the plurality of engaging parts are distributed along the axial direction of the supporting leg tube. A plurality of engaging parts makes the locking between the outer tube and the inner tube more reliable, wherein the number of the outer holes is greater than or equal to the number of the engaging parts.

Specifically, the elastic member is an elastic arm formed on the engaging body, and the end of the elastic arm is in conflict with the inner wall of the fixing seat and provides movement of the engaging body toward the supporting leg. The elastic force makes the engaging part engage with the inner hole. This solution enables the elastic member to be integrally formed with the engaging body, so that the height adjustment mechanism has a simple structure and is easy to assemble.

More specifically, an inclined wall inclined toward the engaging member is provided at a position corresponding to the elastic arm on the fixing seat, and the elastic arm abuts against the inclined wall.

Preferably, the operating member is bent and partially sleeved on the engaging portion and located between the engaging body and the outer tube. When operating the operating part, the part of the operating part exposed outside the fixed seat can be pressed inward, and the operating part can be rotated along the bend to control the engaging part from the inner hole and release the lock between the outer tube and the inner tube .

Specifically, the operating member includes an abutting portion, a pushing portion connected to one side of the abutting portion, and an operating portion connected to the other side of the abutting portion, and the operating portion is exposed on the fixing seat In addition, the pushing part is located between the engaging body and the outer tube, the operating part drives the pushing part to rotate along the abutting part, and the pushing part pushes the engaging part to disengage the engaging part from the inner hole. The operating member has a simple structure and is easy to operate.

Preferably, the fixing seat is protruded with a bump, and the corresponding position on the outer tube is provided with a groove or a through hole that is engaged with the bump.

The present invention also provides an infant carrier, including a carrier and a height adjustment mechanism, the height adjustment mechanism is as described above and installed on the carrier to adjust the height of the carrier. Compared with the prior art, the present invention adjusts the height of the carrier through the height adjustment mechanism, which has simple operation and high reliability.

Description of drawings

Fig. 1 is a perspective view of the infant carrier of the present invention.

FIG. 2 is a partially exploded perspective view of the infant carrier of the present invention.

Fig. 3 is a perspective view of the engaging part of the present invention.

Fig. 4 is a perspective view of the operating member of the present invention.

5a-5b are working diagrams of the height adjustment mechanism of the present invention before and after unlocking.

Fig. 6 is a cross-sectional view of the fixing seat of the present invention.

Fig. 7 is a sectional view of the height adjustment mechanism of the present invention along line A-A in Fig. 1 .

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

1 and 2, the present invention discloses an infant carrier 100, the infant carrier 100 includes a carrier and a height adjustment mechanism 102, the height adjustment mechanism 102 is installed on the carrier to adjust the carrier the height of.

Continue to refer to Fig. 1 and Fig. 2, described carrier comprises height adjustment mechanism 102, upper fixed seat 103, seat base 101 and seat body (not shown in the figure), the upper end of height adjustment mechanism 102 is installed on upper fixed seat 103 Above, the seat base 101 is installed on the upper fixing seat 103 , and the seat body is installed on the seat base 101 .

Continuing to refer to FIG. 1 and FIG. 2 , the height adjustment mechanism 102 includes a support leg 10 , a fixing seat 13 , an engaging member 15 , an elastic member 16 and an operating member 14 . The supporting leg tube 10 includes an outer tube 11 and an inner tube 12 slidably installed in the outer tube 11 . The inner tube 12 is provided with a plurality of inner holes 21 arranged along its axial direction, and the outer tube 11 is provided with at least one outer hole 71 corresponding to the position of the inner holes 21 . The fixing seat 13 is installed outside the outer tube 11 . Referring to FIG. 3, the engaging member 15 includes an engaging body 52 and an engaging portion 51 protruding from the engaging body 52. The engaging body 52 is installed between the fixing seat 13 and the outer tube 11 (as shown in FIG. 5a) , the engaging portion 51 is opposite to the outer hole 71 . The elastic member 16 provides elastic force for the engaging portion 51 to extend into the inner hole 21 and at least one outer hole 71, so that the engaging portion 51 engages with the inner hole 21 and at least one outer hole 71 to lock the inner tube 12 and the outer hole 71. Tube 11. Operating the operating member 14 can drive the engaging portion 51 to disengage from the inner hole 21 to unlock the inner tube 12 and the outer tube 11 .

Specifically, the fixing seat 13 is sleeved on the outer tube 11 and located at the end of the outer tube 11 , of course, the fixing seat 13 may also be located at other parts of the outer tube 11 .

Preferably, continuing to refer to FIG. 1 and FIG. 2 , the height adjustment mechanism 102 further includes a lower fixing base 104 , the upper end of the outer tube 11 is pivotally connected to the upper fixing base 103 , and the lower end of the inner tube 12 is mounted on the lower fixing base 104 . The infant carrier 100 is, for example, a child's car seat. When the infant carrier 100 is installed in the automobile, the lower fixing seat 104 is in contact with the floor of the automobile, and the height adjustment mechanism 102 can support and adjust the height of the seat base 101, so that the infant can be carried Tool 100 is adaptable to different automobiles.

Referring to FIG. 3 , in this embodiment, the engaging body 52 is in the shape of a sheet.

Preferably, continuing to refer to FIG. 3 , there are two engaging parts 51 distributed along the axial direction of the support leg tube 10 , and the distance between the two engaging parts 51 corresponds to the distance between the inner holes 21 , for example, the engaging parts 51 The distance between them can be an integer multiple of the distance between two adjacent inner holes 21 . Of course, there may be more engaging parts 51 and are not limited to two. In addition, the number of outer holes 71 on the outer tube 11 can be adjusted according to the number of engaging portions 51 .

2 and 3, the elastic member 16 is an elastic arm 61 formed on the engaging body 52, and the end of the elastic arm 61 is in conflict with the inner wall of the fixing seat 13 and provides support for the supporting leg 10 to the engaging body 52. The moving elastic force makes the engaging portion 51 engage with the inner hole 21 . Preferably, in this embodiment, the elastic member 16 is an elastic arm 61 symmetrically formed on the edge of the fixed piece 52, that is, there are several elastic arms 61 and are formed by extending outward from the edge of the fixed piece 52, and several elastic arms 61 symmetrical settings. In another embodiment, the elastic arm 61 can also be directly formed on a side of the engaging body 52 facing away from the outer tube 11 , and is not limited to the edge of the engaging body 52 . The elastic member 16 is integrally formed with the engaging body 52 , so that the height adjustment mechanism 102 has a simple structure and is easy to assemble. Certainly, the elastic member may also be a compression spring or an elastic sheet that interferes between the engaging member 15 and the fixing seat 13 . Specifically, there are four elastic arms 61 symmetrically formed on two opposite edges of the engaging body 52 . Of course, only one elastic arm 61 or more than two elastic arms 61 may be provided on each of the two opposite edges of the engaging body 52 . The elastic arm 61 can also be arranged on any edge of the engaging body 52 , or can be evenly arranged on every edge of the engaging body 52 .

Referring to FIG. 7 , in a preferred solution, an inwardly inclined inclined wall 31 is provided at a position corresponding to the fixing base 13 and the elastic arm 61 , and the elastic arm 61 is curved and abuts against the inclined wall 31 . Specifically, the inclined wall 31 is an inclined surface inclined toward the engaging member 15 .

Referring to FIG. 3 and FIG. 7 , in another preferred solution, reinforcing ribs 53 protrude from the engaging body 52 to enhance the structural strength of the engaging body 52 . The reinforcing rib 53 is formed by bending two opposite edges of the engaging body 52 relative to each other. The reinforcing rib 53 , the engaging portion 51 , the elastic member 16 and the sheet-shaped engaging body 52 are integrally formed. In this embodiment, the outer tube 11 is provided with limiting grooves 73 corresponding to the reinforcing ribs 53 . The elastic force of the elastic member 16 will drive the reinforcing rib 53 to extend into the limiting groove 73 and can be in contact with the bottom of the limiting groove 73, thereby preventing the sheet body of the engaging body 52 from colliding with the outer wall of the outer tube 11, which is not only convenient The operating member 14 controls the locking body 52 away from the outer tube 11 , and effectively increases the strength of the locking body 52 and the stability of installation.

Referring to FIG. 2 and FIG. 4 , the operating member 14 is bent and partially sleeved on the engaging portion 51 and located between the engaging body 52 and the outer tube 11 . When working, force is applied to the operating part 14 in the direction of the outer tube 11, the operating part 14 rotates along the bend and pushes the engaging body 52 to move away from the outer tube 11, the engaging part 51 of the engaging part 15 and the inner hole 21 break away. Specifically, the operating member 14 includes a push portion 41 installed between the engaging body 52 and the outer tube 11 , an abutment portion 42 extending outward along the push portion 41 , and an abutment portion 42 extending outward along the abutment portion 42 . The operation part 43 is exposed outside the fixing seat 13 . The abutting portion 42 is bent and is in contact with the outer tube 11 . Press the operating part 43 toward the outer tube 11, and the operating part 43 drives the pushing part 41 to rotate along the contact part 42 to drive the engaging body 52 to move away from the outer tube 11, thereby disengaging the engaging part 51 from the inner hole 21 . During the operation, the rotation of the operating member 14 will drive the engaging member 15 to translate in a direction away from the outer tube 11 ; More specifically, the push portion 41 is provided with a mounting hole 411 through which the engaging portion 51 fits through, so that the operating member 14 is sleeved on the engaging member 15 through the mounting hole 411. Of course, it can also be installed in other ways. The pushing portion 41 of the operating member 14 is mounted on the engaging body 52 , for example, through an engaging component connection, direct welding and other assembling methods.

Referring to Fig. 5a, Fig. 5b and Fig. 6, a bump 32 protrudes from the inner wall of the fixing seat 13 facing the outer tube 11, and a through hole 72 which engages with the bump 32 is opened at a corresponding position on the outer tube 11. Of course, the through hole 72 can also be replaced by a groove.

In addition, referring to FIG. 6 , the end of the fixing seat 13 extends radially and inwardly to form an inner flange 33 in contact with the outer wall of the inner tube 12 , which facilitates the installation between the fixing seat 13 and the outer tube 11 .

Referring to Fig. 5a and Fig. 5b, the working principle and working process of the height adjustment mechanism 102 of the present invention are described in detail:

Refer to FIG. 5a and FIG. 7 . When the engaging member 15 is in the locked state, the elastic force of the elastic arm 61 pushes the engaging body 52 in the direction of arrow B (as shown in FIG. 7 ), so that the engaging portion 51 protruding from the engaging body 52 extends into the inner hole. 21 (as shown in Figure 5a). Under the action of the elastic force of the elastic arm 61, the engaging body 52 of the engaging member 15 will abut against the pushing portion 41 of the operating member 14, and the engaging portion 51 of the engaging member 15 extends into the outer hole 71 and the inner hole in turn. The hole 21 is engaged with the outer hole 71 and the inner hole 21 respectively, and the outer tube 11 is locked relative to the inner tube 12 .

Referring to Figure 5b, when it is necessary to adjust the height of the carrier, press the operating part 43 of the operating member 14, the operating part 43 rotates along the abutting part 42 in the direction of the arrow C, and the pushing part 41 moves along the abutting part 42 in the direction of the arrow D turn. The pushing part 41 pushes the engaging body 52 of the engaging part 15 outward, so that the engaging body 52 is away from the outer tube 11 and close to the inner side of the fixing seat 13, and the engaging part 51 on the engaging body 52 faces the arrow D The direction moves and breaks away from the inner hole 21. At this time, the outer tube 11 is unlocked relative to the inner tube 12, and the outer tube can be moved upward or downward, and the outer tube 11 slides relative to the inner tube 12 under the action of an external force. When sliding to an appropriate position, release the operating part 43, and the elastic arm 61 pushes the engaging body 52 in the direction of the arrow B under its elastic force (as shown in FIG. 5 a ), so that the engaging part 51 on the engaging body 52 is Under the elastic force of the elastic arm 61, it extends into the inner hole 21 (as shown in Figure 5a), that is, the engaging part 51 extends into the outer hole 71 and the inner hole 21 in turn and engages with the outer hole 71 and the inner hole 21 respectively. 11 is locked in position relative to the inner tube 12 .

To sum up, in the normal state of the present invention, the elastic member 16 will ensure that the engaging member 15 is engaged with the inner hole 21 so that the outer tube 11 and the inner tube 12 are locked, thereby preventing accidents. It is not only easy to operate but also safe On the other hand, the present invention protects the engaging part 15 and the elastic part 16 through the fixing seat 13, which can effectively prevent misoperation caused by accidents such as collisions. To sum up, the height adjustment mechanism of the present invention is easy to operate and has high reliability. Correspondingly, the infant carrier of the present invention includes the aforementioned height adjustment mechanism, so it also has the same technical effect.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

Claims (9)

1. A height adjustment mechanism, characterized in that, comprising The supporting leg tube, the supporting leg tube includes an outer tube and an inner tube slidingly sleeved in the outer tube, the inner tube has a plurality of inner holes arranged along its axial direction, and the outer tube is provided with At least one outer hole corresponding to the position of the inner hole; a fixing seat installed outside the outer tube; The engaging piece includes an engaging body and an engaging portion protruding from the engaging body, the engaging body is installed between the fixing seat and the outer tube, the engaging portion is connected to the The position of the outer hole is relative; The elastic member provides elastic force for the engaging part to extend into the inner hole and the at least one outer hole, so that the engaging part engages with the inner hole and the at least one outer hole to lock The inner tube and the outer tube, the elastic member is an elastic arm formed on the engaging body, and the end of the elastic arm is in conflict with the inner wall of the fixing seat and provides support for the engaging body. an elastic force moving toward the supporting leg so that the engaging portion engages with the inner hole; and An operating member, partly exposed outside the fixing seat, is used to operate the operating member, and the operating member drives the engaging portion to disengage from the inner hole to unlock the inner tube and the outer tube. 2. The height adjustment mechanism according to claim 1, wherein the engaging body is in the shape of a sheet. 3. The height adjustment mechanism as claimed in claim 2, wherein two opposite edges of the engaging body are bent relative to each other to form reinforcing ribs. 4. The height adjustment mechanism according to claim 1, wherein the engaging member is provided with a plurality of engaging parts, and the plurality of engaging parts are distributed along the axial direction of the supporting leg tube. 5. The height adjustment mechanism according to claim 1, characterized in that, the position corresponding to the elastic arm on the fixed base is provided with an inclined wall inclined toward the direction of the engaging member, and the elastic arm abuts against on the sloping wall. 6. The height adjustment mechanism according to claim 1, wherein the operating member is bent and partially sleeved on the engaging portion and is located between the engaging body and the outer tube . 7. The height adjustment mechanism according to claim 6, wherein the operating member comprises an abutment portion, a push portion connected to one side of the abutment portion, and a push portion connected to the other side of the abutment portion The operating part is exposed outside the fixed seat, the pushing part is located between the engaging body and the outer tube, and the operating part drives the pushing part along the abutment part rotates, and the pushing part pushes the engaging part to disengage the engaging part from the inner hole. 8. The height adjustment mechanism according to claim 1, characterized in that, the fixed seat is protruded with a bump, and the corresponding position on the outer tube is provided with a groove or a through hole that engages with the bump . 9. An infant carrier, characterized in that it comprises a carrier, and a height adjustment mechanism as claimed in any one of claims 1-8; the height adjustment mechanism is installed on the carrier to adjust the The height of the vehicle.