CN103287473B - Baby carriage with seat angle adjusting device and movable seat device - Google Patents

Abstract

The invention discloses a baby carriage capable of moving away from a seat device, which comprises a frame, a plurality of wheels and a seat, wherein the wheels are rotatably pivoted at the lower end of the frame; the seat further comprises a connecting piece pivoted with the fixed piece, and the connecting piece can rotate relative to the fixed piece in an operable mode so as to adjust the angle of the seat relative to the frame. The baby carriage is simple and convenient to assemble and disassemble, so that a user can install and adjust the direction of the seat according to the preference of the user, and the baby carriage is more flexible to use and is more popular with the user.

Description

Stroller with seat angle adjustment and removable seat unit

technical field

The invention relates to the field of children's products, and more specifically relates to a baby carriage with a seat angle adjustment device and a seat device that can be moved away from the seat.

Background technique

For parents with babies at home, it has become a common and convenient practice to use a stroller as an auxiliary tool for carrying a baby when they go out with the baby, and since the stroller is an item specially used for babies, it is very important for The safety requirements for babies riding in strollers are often one of the important design indicators. Therefore, the relevant competent authorities have established relevant regulations and safety standards to regulate, so as to ensure the safety of babies when using strollers. In addition, with the widespread use of baby carriages, people have higher and higher functional requirements for baby carriages. They not only hope that the baby carriage can make the baby ride safely, but also hope that the baby carriage can make the baby ride comfortably. , and also hope that the stroller is more convenient to operate and use.

Commonly used baby carriages now generally include a vehicle frame, some wheels and a seat. The adjustment mode is installed on the vehicle frame for the baby to sit on. In addition, usually in order to protect the baby, a foldable car can be installed on the frame, so as to shield the baby from sunlight or a small amount of wind and rain; A storage basket can also be arranged under the seat to hold articles and provide convenience for travel.

The seat of the above-mentioned stroller is usually fixed on the frame, and it is impossible to install different types of seats (such as children's car seats or baby baskets) according to the needs of parents, and the seat is not easy to adjust the angle relative to the frame. The usability and convenience of the stroller are greatly reduced.

Therefore, it is necessary to provide a seat angle adjustment device that is simple and easy to operate, the seat is convenient to assemble and remove, and the seat angle position can be adjusted at any time after the seat is installed on the vehicle frame to overcome the above defects, so that the baby The car is more convenient to use and is more popular with users.

Contents of the invention

The purpose of the present invention is to provide a baby carriage with a seat angle adjustment device and a seat device that can be moved away from the seat. The angle position is adjusted to make the baby sit more comfortably, and the adjustment operation is simple and easy; in addition, when using the baby carriage of the present invention, the user can easily remove the seat from the carriage without other tools. The frame can be removed and removed, and the engaging direction of the seat relative to the vehicle frame can be adjusted according to one's own preferences, which meets the preferences of different users.

In order to achieve the above object, the present invention provides a seat angle adjustment device, which is suitable for being installed between the stroller frame and the seat, which includes a connecting piece, a moving piece, a fixing piece and an adjusting piece, and the connecting piece is fixedly installed On the backrest part of the seat, a first receiving cavity is opened on the connecting piece, the fixing piece is fixedly connected with the vehicle frame and pivotally connected with the connecting piece so that the seat The backrest part is pivotally connected to the vehicle frame, and the fixing part opens a second receiving cavity facing the first receiving cavity, and the moving part is slidably accommodated in the first receiving cavity and the first receiving cavity. Between the second storage cavities, the adjustment piece is movably mounted on the connecting piece, and when the adjustment piece moves, the moving piece is pushed into the second storage cavity, so that the seat The backrest portion can rotate relative to the vehicle frame.

Preferably, one side of the connecting member is provided with a receiving groove in the vertical direction, and the receiving groove communicates with the first receiving cavity, and the adjusting member is slidably arranged in the receiving groove. Therefore, when the adjusting member is moving, it can enter the first receiving cavity from the receiving groove, so as to squeeze and push the moving member to move.

Preferably, the adjustment member has a first slope, and the moving member has a second slope, when the adjustment member moves, the first slope pushes against the second slope to promote the movement file moves. Since the first slope is formed on the adjustment member, when the adjustment member continues to move, the force acting on the second slope through the first slope will continue to increase, so that only a small The active force can push the moving part out of the connecting part, so that the moving part is separated from the connecting part.

Preferably, there is a horizontal rotating shaft between the first receiving chamber and the second receiving chamber, and when the adjusting member moves, it will push the moving member to move along the rotating shaft. In such a design, when the adjusting member is pressed down and moved downward, the first inclined surface presses the second inclined surface, so that the moving member moves along the axis and disengages from the first inclined surface. The accommodating cavity is completely entered into the second accommodating cavity, so that the moving part is disengaged from the connecting part, so that the connecting part can rotate relative to the fixing part and adjust the angular position of the seat.

Preferably, the seat angle adjustment device further includes a first elastic component, a storage space is formed on the same side as the first slope on the adjustment member, and the middle part of the storage groove protrudes outward to form a The two ends of the first elastic component abut against the wall of the accommodation space and the abutment column respectively. When the adjusting member is pressed down and moved downward, the first elastic component will be compressed to generate elastic pressure; when the moving member is squeezed out of the connecting member by the adjusting member and rotated to adjust For the angle of the seat, after the force on the adjusting member is removed, the first elastic component will elongate and return to its original shape under the action of elastic pressure, so that the adjusting member will rise and return to the position before pressing status to facilitate the next round of adjustment operations.

Preferably, the center of the moving part protrudes toward the connecting part and the fixing part respectively to form a cylinder, and the second slope is provided at an end of the cylinder adjacent to the connecting part.

Preferably, the moving part is a gear, and the inner walls of the first storage cavity and the second storage cavity respectively protrude toward the center to form a plurality of engaging pieces for engaging the gear. The engaging piece can further strengthen the engaging force between the gear and the first storage cavity and the second storage cavity, preventing the gear from sliding relative to the first storage cavity or the second storage cavity , to prevent the occurrence of dangerous situations.

Preferably, the gear has teeth of different sizes, and a plurality of engaging slots of different sizes are formed between the engaging pieces of the first accommodation cavity to engage correspondingly with the teeth of the gear. combine. Therefore, the size of the engaging groove controls the rotation range of the connecting member relative to the gear, which can prevent the connecting member from over-rotating and causing potential safety hazards.

Preferably, the center of the moving part protrudes toward the connecting part and the fixing part respectively to form a cylinder, the second slope is arranged on the cylinder, and the rotating shaft passes through the cylinder.

Preferably, the seat angle adjusting device further includes a second elastic component, and the second elastic component is located between the moving part and the fixed part. When the adjusting member completely squeezes the gear into the fixing member, the gear will compress the second elastic component to generate elastic pressure, and when the angle of the seat is adjusted and removed After the force is exerted on the adjusting part, the second elastic component will elongate and return to its original shape under the action of elastic pressure, thereby pushing the gear back between the connecting part and the fixing part, and reconnecting with the The first accommodating cavity is engaged, so that the connecting member can no longer rotate relative to the fixing member, waiting for the next round of adjustment operation.

Preferably, the seat includes a seat part, the seat part is connected with the backrest part through the connecting piece, when the backrest part rotates relative to the vehicle frame, the seat The parts rotate relative to the frame together.

Correspondingly, the present invention also provides a stroller, comprising: a vehicle frame, several wheels and a seat, the wheels are rotatably pivotally connected to the lower end of the vehicle frame, and it is characterized in that the seat is connected by a clip The engaging device can be removed and installed on the frame, the engaging device includes an engaging block on the frame and a fixing piece on the seat, and the fixing piece can be connected with the engaging block engaging to install the seat on the vehicle frame.

Preferably, an accommodating groove is provided on one side of the fixing member, and the engaging block is slidably combined with the accommodating groove, so as to install the seat on the vehicle frame.

Preferably, the engaging device further includes an operating part, and the operating part is pivotally connected to the fixing part.

Preferably, the lower end of the engaging block protrudes downward to form an engaging rib, and when the seat is installed on the vehicle frame, the operating member and the engaging rib can engage with each other.

Preferably, the upper end of the operating member is formed with an operating portion, and its lower end is bent and extended toward the engaging block to form an engaging hook, and the engaging hook is engaged on the engaging rib of the engaging block, to pivotally connect the seat to the vehicle frame. When the engaging hook engages with the engaging rib, the seat is engaged and pivotally connected to the vehicle frame; when the engaging hook disengages from the engaging rib, the seat Said seat can be removed from said vehicle frame.

Preferably, an elongated groove is provided on the other side of the fixing member opposite to the accommodating groove, the operating member is pivotally connected in the elongated groove, and the operating member is adjacent to two sides of the operating part. Both sides protrude outward to form two pivot pins, and the elongated groove is correspondingly formed with a gap for accommodating the pivot pins, and the distance between the pivot pins and the operating part is smaller than that of the engaging hooks. distance. When the operating part of the operating member is pushed in the horizontal direction, the operating member will pivot with the pivot pin as a fulcrum, so that the engaging hook can be moved to disengage only by applying a small pushing force. By engaging with the engaging rib, the seat can be removed from the vehicle frame.

Preferably, the opposite sides of the engaging block respectively protrude to form flanges, and the two opposite side walls defining the accommodating groove of the fixing member are formed with guides that can cooperate with the flanges. groove. The cooperation between the flange and the guide groove enhances the connection relationship between the seat and the vehicle frame, making the connection more firm.

Preferably, a third elastic component is fixedly installed on the operating portion of the operating member, and one end of the third elastic component is fixedly connected to the fixing member. When the operating part of the operating member is pushed in the horizontal direction, the movement of the operating member will compress the third elastic component, so that the third elastic component generates elastic pressure, and when the external pushing force disappears, the first The three elastic components will return to their original shape under the action of elastic pressure and drive the operating part to return to its original position, so that the engaging hook can engage the engaging rib again.

Preferably, both sides of the operating member adjacent to the engaging hook protrude outward to form two protrusions, and the elongated groove is correspondingly formed with a recess for accommodating the protrusions. The cooperation between the protrusion and the notch enhances the engaging effect of the engaging hook on the engaging rib, so that when the engaging hook engages with the engaging rib, the seat The chair can be firmly installed on the vehicle frame.

Preferably, the stroller further includes at least one reinforcement piece, the reinforcement piece is fixed on one of the engaging block and the accommodating groove, and the reinforcement piece is an iron piece. When loading and unloading or adjusting the engaging direction of the seat, the engaging block will be inserted into the accommodating groove several times, and the reinforcing sheet is provided to prevent the engaging block from rubbing when inserted. Damage the accommodating groove or the engaging block itself to enhance the strength of both and prolong the service life.

Preferably, the seat includes a connecting member pivotally connected to the fixing member, and the connecting member is operable to rotate relative to the fixing member to adjust the angle of the seat relative to the vehicle frame.

Preferably, the vehicle frame includes a front foot, a rear foot pivotally connected to the front foot, and a support member whose two ends are respectively connected to the front foot and the rear foot, and the engaging block is fixedly arranged on the support member.

Preferably, the support member is a horizontal support rod, the front end of the support rod is pivotally connected to the rear foot, and the rear end of the support rod is pivotally connected to the front foot.

Compared with the prior art, in the seat angle adjusting device of the present invention, when adjusting the angular position of the seat, only the adjusting member needs to be pressed down, and the adjusting member will completely push the moving member out of the The connecting piece is pushed into the fixing piece, so that the connecting piece is disengaged from the fixing piece and can rotate within a certain range relative to the fixing piece, so that the user can adjust the seat relative to the car seat by himself. Therefore, the seat angle adjustment device of the present invention can adjust the seat angle position at any time during use, so that the baby can sit more comfortably, and the adjustment operation is simple and easy without any additional tools , more convenient to use. In addition, the present invention has a baby stroller that can be removed from the seat device. Since the seat and the frame are engaged and connected by an engaging device, the user can easily and conveniently place the seat Removed from the frame, it is convenient for the user to install other types of baby seats, or to change the direction of the seat; when the baby carriage is not in use, the baby carriage can be stored and arranged in a non-assembled manner , reducing the size of the storage space required by the baby carriage; the baby carriage of the present invention is simple and convenient to load and unload, so users can install and adjust the direction of the seat according to their own preferences, so the baby carriage of the present invention can be used More flexible and more user-friendly.

The present invention will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention.

Description of drawings

Fig. 1 is a schematic structural view of the stroller of the present invention.

Fig. 2 is an exploded and enlarged view of the seat angle adjusting device of part A shown in Fig. 1 .

Fig. 3 is another exploded and enlarged view of the seat angle adjusting device in part A shown in Fig. 1 .

Fig. 4 is a sectional view of the installed seat angle adjusting device of the present invention.

Fig. 5 is a schematic diagram of the separation of the baby carriage seat and the vehicle frame according to the present invention.

FIG. 6 is an enlarged view of part B shown in FIG. 5 .

Fig. 7 is an exploded enlarged view of part C shown in Fig. 5 .

FIG. 8 is another exploded and enlarged view of part C shown in FIG. 5 .

Fig. 9 is a cross-sectional view of the baby carriage engaging device of the present invention after assembly.

Fig. 10 is a structural schematic view of the seat forwardly engaged with the frame of the present invention.

detailed description

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like components. As mentioned above, the present invention provides a baby carriage with a seat angle adjustment device and a seat device that can be moved away from the seat. The angle position of the seat can be adjusted to make the baby sit more comfortably, and the adjustment operation is simple and easy; in addition, when using the stroller of the present invention, the user can conveniently move the seat from the position without other tools. The vehicle frame can be moved away from the vehicle frame, and the engaging direction of the seat relative to the vehicle frame can be adjusted according to one's own preferences, which satisfies the user's need to change with different requirements.

Please refer to FIG. 1 . FIG. 1 is a schematic structural view of the stroller of the present invention. The stroller includes: a frame 100, a plurality of wheels 101 and a seat 200, the wheels 101 are rotatably pivoted to the lower end of the frame 100, and the seat 200 is detachably mounted on the stroller. on the frame 100 for the baby to sit on, and a seat angle adjustment device 300 is installed between the seat 200 and the frame 100, when the seat 200 is fixed on the frame 100, the The seat angle adjusting device 300 is used to adjust the angular position of the seat 200 relative to the vehicle frame 100 .

Please refer to Fig. 2-5 again, the seat 200 includes a backrest portion 201 and a seat portion 202 connected below the backrest portion 201, in the embodiment of the present invention, the seat angle adjustment device 300 is arranged Both sides of the chair 200 are located between the backrest portion 201 and the seat portion 202 . The seat angle adjustment device 300 includes a connecting part 310, a fixing part 320, an adjusting part 330, a first elastic component 340, a moving part, a second elastic component 360 and a cover 370, wherein the moving part in this embodiment For the gear 350 . The connecting piece 310 is connected between the backrest portion 201 and the seat portion 202, one side of the connecting piece 310 is provided with a receiving groove 311 in the vertical direction, and the receiving groove 311 protrudes outward in the middle of the side wall Extending to form a support column 312, a small platform 313 is formed on the upper end of the support column 312; a first receiving cavity 314 is opened at the lower end of the connecting piece 310 at the back of the receiving groove 311, and the receiving cavity 314 corresponds to The gear 350 has a circular structure to accommodate the gear 350 conveniently, and the first receiving chamber 314 communicates with the lower end of the receiving groove 311, and the inner wall of the first receiving chamber 314 faces toward the center. A plurality of engaging pieces 314a are protrudingly formed, and a plurality of engaging grooves 314b and 314c (see FIG. 3 ) of different sizes are formed between the engaging pieces 314a to correspond to the teeth of the gear 350. When the When the gear 350 is engaged in the receiving cavity 314, the gear 350 is engaged with the engaging piece 314a, so that the connecting member 310 and the fixing member 320 can be fixed and cannot rotate; in addition, the second The center of a receiving cavity 314 protrudes to form a first pivot tube 315 . The fixing part 320 can be installed on the vehicle frame 100 and pivotally connected with the connecting part 310 so that the seat 200 is pivotally connected on the vehicle frame 100; specifically, the upper end of the fixing part 320 corresponds to the The gear 350 is formed with a second housing chamber 321 for housing the gear 350, and the second housing chamber 321 is facing the first housing chamber 314, so that the gear 350 can be accessed from the first housing chamber 314. into the second receiving cavity 321 . Similar to the first receiving chamber 314, the inner wall of the second receiving chamber 321 also partially protrudes toward the center to form a plurality of engaging pieces 321a that engage the gear 350, and a plurality of engaging pieces 321a are formed between the engaging pieces 321a. An engaging slot 321b is corresponding to the teeth of the gear 350, and the center of the second receiving cavity 321 also protrudes to form a second pivot tube 322, the second pivot tube 322 is facing the first The pivoting tube 315, so that the first pivoting tube 315 and the second pivoting tube 322 provide guidance for the movement of the gear 350, and can be passed through the first pivoting tube 315 and the second pivoting tube 315 through a rotating shaft (not shown). The second pivot tube 322 is used to pivotally fix the connecting member 310 and the fixing member 320 to each other, and to rotate with each other through the axis formed by the rotating shaft.

The adjusting member 330 is installed in the receiving groove 311 of the connecting member 310, and can move up and down in the receiving groove 311, so that the lower end of the adjusting member 330 can pass through the receiving groove 311 and enter the The first receiving cavity 314 and against the gear 350, the upper end of the adjustment member 330 exposed to the receiving groove 311, to facilitate the application of external force to press the adjustment member 330; the lower end of the adjustment member 330 from the A side of the fixing part 320 inclined toward the connecting part 310 forms a first slope 331 , and the adjustment part 330 forms a U-shaped groove 332 concavely at the position of the first slope 331 . The adjustment member 330 is provided with an elongated hole 333 vertically above the U-shaped groove 332 , and the supporting column 312 of the connecting member 310 passes through the elongated hole 333 to allow the adjustment member 330 to slide Installed on the connector 310 ground. The adjustment member 330 forms a receiving space 334 on the same side as the first slope 331, the receiving space 334 communicates with the elongated hole 333, and the first elastic component 340 is installed in the receiving space 334 , and the upper end of the first elastic component 340 is fixed on the upper wall of the accommodating space 334 (see FIG. 3 ), and its lower end is in contact with the small platform 313 of the resisting column 312, so that when the adjustment member is pressed 330 and make it move down, the first elastic component 340 will be compressed and generate elastic pressure due to being squeezed, and when the external force applied to the adjustment member 330 disappears, the first elastic component 340 will be elastically Under the action of pressure, the elongation returns to the original state, thereby driving the adjustment member 330 to rise and also automatically returns to the original state, so as to facilitate the next round of adjustment operation.

The gear 350 is movably accommodated in the first receiving cavity 314 of the connecting member 310 and the second receiving cavity 321 of the fixing member 320, and can be connected with the engaging piece 314a and the second receiving cavity in the first receiving cavity 314. The engaging piece 321a of the receiving chamber 321 is engaged and engaged, and the center of the gear 350 respectively protrudes toward the connecting piece 310 and the fixing piece 320 to form a cylinder 351. When the adjusting piece 330 moves down, the cylinder 351 passes through. Pass through the U-shaped groove 332 on it and conflict with the first slope 331; the center of the gear 350 is also provided with a through hole 352 in the middle of the cylinder 351, so that the gear 350 is socketed through the through hole 352 On the first pivot tube 315 or the second pivot tube 322; the end of the cylinder 351 adjacent to the connector 310 is formed with a second slope 353 corresponding to the first slope 331 (see FIG. 4 ), when When the adjusting member 330 moves down, the first inclined surface 331 will press the second inclined surface 353 , so as to push the gear 350 out of the connecting member 310 . In this embodiment, the gear 350 has teeth 354a and 354b of different sizes (see FIG. 2 or FIG. 3 ), and the engagement groove 314c in the first receiving cavity 314 is larger than the size of the teeth 354b Therefore, the size of the engaging groove 314c larger than the tooth 354b is the range of the rotatable adjustment of the connecting piece 310, so as to limit the adjustment angle of the seat 200 relative to the frame 100 and prevent excessive adjustment and accident.

The second elastic component 360 is sleeved on the second pivot tube 322 , and one end of the second elastic component 360 is fixed on the fixing member 320 , and the other end is in contact with the cylinder 351 of the gear 350 . The cover 370 is fixedly covered on the receiving groove 311 by screws (not shown) passing through it and penetrating into the supporting column 312. The cover 370 can not only prevent dust and other sundries from entering the In the storage groove 311, it can also prevent external devices from affecting the components in the storage groove 311.

The adjustment process of the seat adjustment device of the present invention is described below in conjunction with Fig. 1-4:

When the seat 200 is installed on the vehicle frame 100, that is, the fixing member 320 is fixed on the vehicle frame 100, the gear 350 is located in the first receiving chamber 314 of the connecting member 310 and the fixing member 320 Between the second receiving cavity 321, the teeth 354a, 354b on the gear 350 will be engaged with the engaging grooves 314b, 314c in the first receiving cavity 314 and the engaging groove 321b of the second receiving cavity 321, so that The connecting member 310 cannot rotate relative to the fixing member 320, and the seat 200 (including the backrest portion 201 and the seat portion 202) is fixed at an angle relative to the frame 100. At this time, the adjustment member 330 The first slope 331 abuts against the second slope 353 of the gear 350; when the angle of the seat 200 is to be adjusted, press the adjustment member 330 in the direction shown by the arrow in Figure 4, and the adjustment member 330 will move down Pushing the gear 350 to move toward the fixing member 320 along the axis and compressing the first elastic component 340 at the same time, the gear 350 will disengage from the engagement grooves 314b, 314c in the first receiving cavity 314, The gear 350 will completely enter the second receiving cavity 321 of the fixing member 320, and since there is no engaging and fixing effect of the gear 350 on the connecting member 310, the connecting member 310 can be relatively opposite to the connecting member 310. The fixing part 320 rotates to adjust the angular position of the seat 200 relative to the frame 100; when the adjusting part 330 pushes the gear 350 and makes it completely enter the second receiving chamber 321, The gear 350 will compress the second elastic component 360 to generate elastic pressure. When the angular position of the seat 200 is adjusted to the desired angle and the force applied to the adjustment member 330 is removed, The adjustment member 330 will move upwards under the action of the first elastic component 340 to return to the position before adjustment, so that there is no force on the gear 350, and at the same time, the second elastic component 360 will Under the action of elastic pressure, the elongation returns to its original shape, thereby pushing the gear 350 back between the first receiving cavity 314 and the second receiving cavity 314, and engaging with the engaging grooves 314b, 314c again, so that The connecting member 310 cannot rotate relative to the fixing member 320 and waits for the next round of adjustment operation. The user can adjust the angular position of the seat 200 by repeating the above process. In the above adjustment process, since the engaging groove 314c is larger than the size of the tooth 354b, thereby controlling the rotatable range of the connecting member 310, the excessive angle adjustment of the seat 200 relative to the frame 100 can be avoided. , to prevent danger.

In this embodiment, the lower edge of the seat part 202 forms a footrest part, which can be placed on the legs or feet of a child, and the backrest part 201 is connected with the seat part 202 through the connecting piece 310, so When the angle of the seat 200 is adjusted relative to the vehicle frame 100, the seat part 202 (including the footrest part) will also be adjusted along with the inclination angle of the backrest 201 relative to the vehicle frame 100, so as to increase the riding comfort of the child . However, in other implementation states, the seat portion 202 is fixed on the fixing member 320, and when the seat angle adjusting device 300 is operated, only the angle of the backrest portion 201 relative to the vehicle frame 100 can be adjusted. Adjustment.

Please refer to FIG. 1 and FIG. 5 , the seat 200 is detachably engaged with the vehicle frame 100 through an engaging device. Specifically, please refer to Figure 6-10 in conjunction.

The frame 100 includes a front foot 102, a rear foot 103 pivotally connected to the front foot 102, and a support 104 whose two ends are respectively connected to the front foot 102 and the rear foot 103. In this embodiment, the support 104 is a horizontal support rod , the front end is pivotally connected to the rear foot 103, and the rear end is pivotally connected to the front foot 102. The seat 200 is mounted on the support member 104 in a detachable manner. The engaging device includes an engaging block 410, a fixing member 320, an operating member 420 and a third elastic component 430. The engaging block 410 is fixed on the support member 104 of the vehicle frame 100, and the fixing member 320 is installed Located on the seat 200 , the operating member 420 is pivotally connected to the fixing member 320 , and the two ends of the third elastic component 430 are respectively fixedly connected to the fixing member 320 and the operating member 420 .

The engaging block 410 is fixed on the support member 104 by screws (not shown), and the lower end of the engaging block 410 protrudes to form an engaging rib 411 , and all adjacent ribs 411 Flanges 412 protrude from opposite sides of the engaging block 410 respectively, and a first reinforcement piece 401 is installed on the side of the engaging block 410 facing the seat 200. In this embodiment, The first reinforcing sheet 401 is an iron sheet, and the first reinforcing sheet 401 enhances the wear resistance and strength of the engaging block 410 , thereby making the engaging block 410 more durable.

One surface of the fixing member 320 is formed with an elongated groove 323 that runs through the fixing member 320 up and down, the upper end of the elongated groove 323 is concaved to form two opposite notches 324, and the elongated groove 323 The lower end is recessed to form two opposite notches 325 (see FIG. 7 ); the other surface of the fixing member 320 is formed with an accommodating groove 326 corresponding to the engaging block 410 that can accommodate the engaging block 410 , and guide grooves 327 are formed on the opposite side walls of the accommodating groove 326; a second reinforcement piece 402 is also fixedly installed in the accommodating groove 326, and the second reinforcement piece 402 is an iron sheet, and It has the same shape as the accommodating groove 326, and the second reinforcing piece 402 can prevent the frictional damage to the inner wall of the accommodating groove 326 when the engaging block 410 is inserted into the accommodating groove 326, thereby strengthening This improves the durability of the fixing member 320 and prolongs its service life.

The operating part 420 is accommodated in the elongated slot 323 of the fixing part 320 . The upper end of the operating member 420 has an operating portion 421 , and its lower end is bent toward the engaging block 410 to form an engaging hook 423 , and the engaging hook 423 is engaged with the engaging rib 411 of the engaging block 410 Above; the operating member 420 protrudes to both sides adjacent to its operating portion 421 to form two pivot pins 422, the pivot pins 422 are accommodated in the notch 324 of the elongated groove 323, and the pivot pins 422 to the operating part 421 is less than the distance to the engaging hook 423, when an external force is applied to push the operating part 421, the operating member 420 pivots with the pivot pin 422 as a fulcrum to move the operating part 420 relative to the fixing part 320 between an unlocked position and a locked position, so that only a small external force is applied to the operating part 421 to drive the engaging hook 423 relative to the fixed part 320. The fixing member 320 rotates. Both sides of the operating member 420 adjacent to the engaging hook 423 protrude outward to form two protrusions 424, and the two protrusions 424 are accommodated in the notch 325 in the elongated groove 323. The cooperation between the protrusion 424 and the notch 325 strengthens the connection between the operating part 420 and the fixing part 320 , and at the same time, when the engaging hook 423 engages with the engaging rib 411 , The engagement force between the two can also be enhanced.

The third elastic component 430 is fixedly installed on the operating portion 421 of the operating member 420, and one end of the third elastic component 430 is fixedly connected to the fixing member 320; when the operating member is pushed in the horizontal direction 420, the movement of the operating member 420 will compress the third elastic assembly 430, so that the third elastic assembly 430 will generate elastic pressure, and when the external push force disappears, the third elastic assembly 430 will Under the action of the elastic pressure, the operating member 420 will be restored to its original position, so that the engaging hook 423 can re-engage the engaging rib 411 .

The process of loading and unloading the seat 200 of the stroller of the present invention onto the frame 100 and changing the engaging direction of the seat 200 is described below with reference to FIGS. 1, 5-10:

When the seat 200 is to be assembled on the vehicle frame 100, the accommodating groove 326 of the seat 200 is aligned with the engaging block 410 on the vehicle frame 100 and inserted so that the engaging block 410 can pass through the vehicle frame 100. The flange 412 and the guide groove 327 guide and cooperate with each other and move along the inner part 326. Since the engaging hook 423 has an inclined surface, it is drawn by the engaging block 410 during the movement of the engaging block 410 relative to the fixing member 320. The first reinforcing piece 401 is pushed toward the unlocking position, and when the engaging hook 423 is located below the engaging block 410 , the operating member 420 will move toward the engaging block under the action of the third elastic component 430 410 is approached, so that the engaging hook 423 is engaged with the engaging rib 411 , and at this moment, the seat 200 is fixed on the vehicle frame 100 to complete the assembly.

When the seat 200 is to be removed from the vehicle frame 100, the operating part 421 of the operating member 420 is pushed in the direction shown by the arrow in FIG. The pin 422 is a fulcrum for pivotal movement, driving the engaging hook 423 to disengage from the engaging rib 411 , at this time, the seat 200 can be pulled upwards at the same time, so that the engaging block 410 is disengaged from the accommodating groove 326 , that is, the seat 200 is removed from the vehicle frame 100 .

It can be seen from the above that the user can install the seat 200 on the frame 100 by himself. In addition, since the fixing member 320 is located on both sides of the seat 200, the engaging block 410 is arranged on the frame 100 The two sides of the seat 200 and the mechanisms on both sides are the same, therefore, the direction of the seat 200 relative to the vehicle frame 100 can also be set as required during use. As shown in FIG. 1 , the seat 200 is engaged backwards on the vehicle frame 100 . At this time, the baby on the seat 200 faces backwards for caregivers to look after. As shown in FIG. 10 , the seat 200 can also be engaged with the vehicle frame 100 in a forward direction, at this time, the child on the seat 200 faces forward. Of course, the seat 200 in the present invention is not limited to the above two engaging directions, and the user can change it according to his own requirements.

The present invention has been described above in conjunction with the best embodiments, but the present invention is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (10)

1. A stroller, comprising: a vehicle frame, a plurality of wheels and a seat, the wheels are rotatably pivotally connected to the lower end of the vehicle frame, and it is characterized in that the seat can be moved away by a snap-fitting device Installed on the frame, the locking device includes a locking block on the frame and a fixing piece on the seat, the fixing piece can be engaged with the locking block to lock the The seat is installed on the vehicle frame, and the engaging device further includes an operating part, and the operating part is pivotally connected to the fixing part; Wherein, the seat further includes a connecting member pivotally connected to the fixing member, and the connecting member is operable to rotate relative to the fixing member to adjust the angle of the seat relative to the vehicle frame; The peripheral edge of the engaging block protrudes outward horizontally so that the opposite sides respectively protrude to form flanges, and the lower end thereof protrudes downward to form an engaging rib; One side of the fixing member is provided with a receiving groove, and the receiving groove is combined with the flanges on both sides of the engaging block in translation and sliding, and the operating member is engaged with the engaging rib to fix the seat on the frame. 2. The stroller according to claim 1, wherein the upper end of the operating member is formed with an operating portion, and the lower end thereof is bent and extended toward the engaging block to form an engaging hook, and the engaging hook engages on the engaging rib of the engaging block to pivotally connect the seat to the vehicle frame. 3. The stroller according to claim 2, wherein an elongated slot is provided on the other side of the fixing member opposite to the accommodating slot, and the operating member is pivotally connected in the elongated slot The two sides of the operating member adjacent to the operating part protrude outward to form two pivot pins, the elongated groove is correspondingly formed with a gap for accommodating the pivot pins, and the pivot pins are connected to the The distance from the operation part is smaller than the distance from the engaging hook. 4 . The stroller according to claim 1 , wherein two opposite side walls defining the receiving groove of the fixing member are formed with guiding grooves that can cooperate with the flanges. 5 . 5 . The stroller according to claim 2 , wherein a third elastic component is fixedly installed on the operating portion of the operating member, and one end of the third elastic component is fixedly connected to the fixing member. 6. The stroller according to claim 3, wherein both sides of the operating member adjacent to the engaging hook protrude outward to form two protrusions, and the elongated groove is correspondingly formed with a receiving the raised notch. 7 . The stroller according to claim 1 , further comprising at least one reinforcing piece, the reinforcing piece being fixed on one of the engaging block and the accommodating groove. 8 . 8. The stroller as claimed in claim 7, wherein the reinforcing sheet is an iron sheet. 9. The stroller according to claim 1, wherein the vehicle frame comprises a front foot, a rear foot pivotally connected to the front foot, and a support member whose two ends are respectively connected to the front foot and the rear foot, and the engaging block is fixed set on the support. 10 . The baby stroller according to claim 9 , wherein the support member is a horizontal support bar, the front end of the support bar is pivotally connected to the rear foot, and the rear end of the support bar is pivotally connected to the front foot. 11 .