CN218661993U

CN218661993U - Baby stroller frame

Info

Publication number: CN218661993U
Application number: CN202222037084.9U
Authority: CN
Inventors: 张凯军
Original assignee: Hanchuan Kaite Plastic Products Co ltd
Current assignee: Hanchuan Kaite Plastic Products Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-03-21
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the technical field of baby stroller frames, in particular to a baby stroller frame, which comprises a front support component and a rear support component which are hinged with each other, wherein a rear push rod component is hinged on the rear support component, a pair of slide rails is arranged on the rear support component, each slide rail is provided with a slide block, a linkage rod is fixed between the two slide blocks, a first connecting rod component is hinged between the linkage rod and the rear push rod component, and a second connecting rod component is hinged between the linkage rod and the rear pull rod component; and a lower fixing component is arranged between the linkage rod and the rear support component. This application has once operation and can accomplish the folding of evaporating the car unblock to the advantage of convenient to use of personnel.

Description

Baby stroller frame

Technical Field

The application relates to the technical field of baby stroller frames, in particular to a baby stroller frame.

Background

The baby carriage is a very practical product in household infant appliances, and a plurality of folding baby carriages are released in the market for being convenient to carry and use.

Shallow frame in existing market generally includes the after-poppet and with after-poppet articulated fore-stock, articulated on the after-poppet have the handspike, is provided with the locking piece that is used for reciprocal anchorage between handspike and the after-poppet, is provided with reciprocal anchorage's mounting between after-poppet and the fore-stock.

In view of the above-mentioned related technologies, the inventor found that the frame of the current stroller needs to be folded after two mutually hinged parts are unlocked, which causes inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a baby stroller frame, it has once only can accomplish the folding of evaporating the car unblock to the advantage of the personnel of being convenient for use.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a baby stroller frame comprises a front support assembly and a rear support assembly which are hinged with each other, wherein a rear push rod assembly is hinged on the rear support assembly, a pair of slide rails is arranged on the rear support assembly, each slide rail is provided with a slide block, a linkage rod is fixed between the two slide blocks, a first connecting rod assembly is hinged between the linkage rod and the rear push rod assembly, and a second connecting rod assembly is hinged between the linkage rod and the rear drag rod assembly;

and a lower fixing component is arranged between the linkage rod and the rear support component.

Realize above-mentioned technical scheme, preceding support assembly, push rod assembly, form four-bar linkage between first link assembly and the second link assembly, fixed subassembly unblock under through personnel's operation promptly, make the trace can slide, and then when back push rod assembly draws close to the rotation of back support assembly when back, can drive the trace and move down along the slide rail, when the trace moves down, drive preceding support assembly through second link assembly and draw close to the rotation of back support assembly, and then can transfer whole frame folding when reaching the rotation back push rod assembly and accomodate, thereby the effect of the personnel of being convenient for use.

As an optimal scheme of this application, fixed subassembly is including setting up the locking groove at the slide rail diapire down, the inside sliding tray that is provided with of lower carriage subassembly, it is provided with the locking plate to slide in the sliding tray, it is provided with the draw-in groove to open in the locking plate, and the interlock pole both ends are inside all to be inserted and to be equipped with the fitting pin, and the butt joint has the locking spring who is arranged in impressing the fitting pin in the draw-in groove between fitting pin and the interlock pole, the stay connection has down the haulage rope.

Realize above-mentioned technical scheme, the fitting pin stretches out under locking spring's effect to pass in the locking groove gets into the draw-in groove, thereby make the fitting pin fixed by the draw-in groove joint, thereby reach the effect of fixed trace, still be provided with the unblock guide face that the slope set up on the lock groove lateral wall, and then make down the haulage rope drive and remove at the locking plate, thereby make the fitting pin break away from the effect that reaches the unblock in draw-in groove and lock groove under the extrusion of unblock guide face.

As a preferable aspect of the present application, a lock spring is abutted between the lock piece and the side wall of the slide groove.

According to the technical scheme, the locking plate can reset under the action of the locking spring, so that the locking effect is guaranteed.

As an optimal scheme of this application, articulated on the back push rod subassembly have preceding push rod subassembly, be provided with between back push rod subassembly and the preceding push rod subassembly and be used for the fixed subassembly in the reciprocal anchorage, go up fixed subassembly and be provided with the interlock spare down between the fixed subassembly.

According to the technical scheme, the front push rod assembly can meet the use requirements of different personnel, and meanwhile, the upper fixing assembly and the lower fixing assembly are linked through the linkage piece, so that the whole frame is still folded after one-time unlocking operation is completed.

As an optimal scheme of this application, go up fixed subassembly including inserting and establish the last lock shell of fixing on last push rod subassembly and insert and establish the lower lock shell of fixing on the push rod subassembly, upward be provided with the axis of rotation on the lock shell, the lock shell rotates to set up in the axis of rotation down, upward all be provided with the special-shaped tooth's socket that corresponds each other on lock shell and the lower lock shell, be provided with the special-shaped gear rather than corresponding in the special-shaped tooth's socket, be provided with between special-shaped gear and the last lock shell and be used for the drive ring, be provided with the guide surface that the spiral climbed in the drive ring, upward be provided with on the lock shell with guide surface complex screw drive platform, screw drive platform stretches into in the drive ring, still be provided with on the last push rod subassembly and be used for driving drive ring pivoted unblock piece.

According to the technical scheme, when the driving ring rotates, the driving ring moves along the axis of the driving ring under the driving of the spiral driving table, and then the special-shaped gear is driven to slide back and forth, so that the special-shaped gear is separated from the upper lock shell and the lower lock shell, and the unlocking effect is achieved.

As a preferred scheme of this application, the unblocking spare is including setting up the operating handle on last push rod subassembly, and operating handle is connected with the haulage rope, goes up the haulage rope and keeps away from operating handle one end and is connected with the drive ring.

According to the technical scheme, the upper traction rope is driven to rotate when the operating handle moves, and then the upper traction rope drives the operating driving ring to rotate, so that the unlocking effect is achieved.

As an optimal scheme of this application, interlock spare is provided with the butt strip including setting up at the epaxial rolling disc of rotation on the rolling disc, all is provided with on upper lock shell and the lower lock shell and supplies butt strip pivoted waist type groove.

Realize above-mentioned technical scheme, when the lock shell was followed last push rod subassembly and was rotated and surpassed waist type groove stroke, go up the lock shell and can butt on the butt strip, and then drive the butt strip and rotate to make butt strip rotate, the butt strip is connected with haulage rope down, and then mobilize down the haulage rope and remove, thereby make the locking plate unblock that slides in the locking groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. preceding support subassembly, push rod assembly, form four-bar linkage between first link assembly and the second link assembly, fixed subassembly unblock under through personnel's operation promptly, make the trace can slide, and then when back push rod assembly draws close to the rotation of back support subassembly, can drive the trace and move down along the slide rail, when the trace moves down, drive the preceding support subassembly through the second link assembly and draw close to the rotation of back support subassembly, and then can transfer whole frame folding when reaching the rotation back push rod assembly and accomodate, thereby the effect of the personnel of being convenient for use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view showing a usage state of a frame of a stroller according to an embodiment of the present application.

Fig. 2 is a side view of a stroller frame according to an embodiment of the present disclosure.

Fig. 3 is an exploded view of the front and rear push rod assemblies of a stroller frame according to an embodiment of the present application.

Fig. 4 is an exploded view of the upper mounting assembly of the stroller frame according to the present embodiment.

FIG. 5 is a cross-sectional view of the lower mounting assembly of the stroller frame according to the present application.

Reference numerals are as follows: 1. a front carrier assembly; 2. a rear support assembly; 21. a slide rail; 22. a slider; 23. a linkage rod; 24. a first link; 25. a second link; 3. a rear push rod assembly; 4. a front push rod assembly; 5. an upper fixing assembly; 51. an upper lock shell; 52. a lower lock shell; 53. a rotating shaft; 54. a drive ring; 55. a return spring; 56. special-shaped teeth; 57. a screw driving stage; 58. a guide surface; 59. unlocking the lock; 591. an operating handle; 592. an upper hauling rope; 6. a lower fixing component; 61. a locking groove; 62. a sliding groove; 63. a locking plate; 631. a card slot; 632. unlocking the guide surface; 64. a locking pin; 65. a locking spring; 66. a locking spring; 67. positioning a rod; 68. a limiting groove; 7. a linkage member; 71. rotating the disc; 72. an abutment bar; 73. a waist-shaped groove; 74. and (6) a lower hauling rope.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses baby's shallow frame. Referring to fig. 1, the stroller frame includes a front frame assembly 1 and a rear frame assembly 2, and the front frame assembly 1 and the rear frame assembly 2 are hinged to each other. Articulated on the back support subassembly 2 have back push rod subassembly 3, be provided with a pair of slide rail 21 on the back support subassembly 2, all be provided with slider 22 on every slide rail 21, be fixed with trace 23 between two sliders 22, it has first connecting rod 24 subassembly to articulate between trace 23 and the back push rod subassembly 3, it has second connecting rod 25 subassembly to articulate between trace 23 and the back pull rod subassembly, and then make front support subassembly 1, the push rod subassembly, form four-bar linkage between first connecting rod 24 subassembly and the second connecting rod 25 subassembly, and then when back push rod subassembly 3 rotatory draw close to back support subassembly 2, can drive trace 23 along slide rail 21 downstream, when trace 23 downstream, drive front support subassembly 1 through second connecting rod 25 subassembly and rotatory draw close to back support subassembly 2, and then can transfer whole frame folding accomodating when reaching rotation push rod subassembly 3.

The rear push rod component 3 is hinged with a front push rod component 4, and an upper fixing component 5 for fixing each other is arranged between the rear push rod component 3 and the front push rod component 4. A lower fixing component 6 is arranged between the linkage rod 23 and the rear support component 2, and a linkage 7 is arranged between the upper fixing component 5 and the lower fixing component 6.

The upper fixing assembly 5 comprises an upper lock case 51 inserted and fixed on the upper push rod assembly and a lower lock case 52 inserted and fixed on the lower push rod assembly, the upper lock case 51 is provided with a rotating shaft 53, and the lower lock case 52 is rotatably arranged on the rotating shaft 53, so that the upper push rod assembly and the lower push rod assembly can rotate mutually. The upper lock shell 51 and the lower lock shell 52 are respectively provided with a special-shaped tooth 56 groove corresponding to each other, and the special-shaped teeth 56 corresponding to the special-shaped grooves are arranged in the special-shaped grooves, so that when the special-shaped teeth 56 are positioned between the upper lock shell 51 and the lower lock shell 52, the upper lock shell 51 and the lower lock shell 52 can be prevented from rotating relatively. A driving ring 54 is arranged between the special-shaped gear 56 and the upper lock shell 51, a guide surface 58 for spiral climbing is arranged in the driving ring 54, a spiral driving table 57 matched with the guide surface 58 is arranged on the upper lock shell 51, the spiral driving table 57 extends into the driving ring 54, so that when the driving ring 54 rotates, the driving ring moves along the axis of the driving ring 54 under the driving of the spiral driving table 57, and further drives the special-shaped gear 56 to slide back and forth, so that the special-shaped gear 56 is separated from the upper lock shell 51 and the lower lock shell 52, and the unlocking effect is achieved. Meanwhile, the upper push rod assembly is also provided with an unlocking piece 59 for driving the driving ring 54 to rotate, the unlocking piece 59 comprises an operating handle 591 arranged on the upper push rod assembly, the operating handle 591 is connected with an upper pulling rope 592, one end of the upper pulling rope 592 far away from the operating handle 591 is connected with the driving ring 54, so that when the operating handle 591 moves, the upper pulling rope 592 is driven to rotate, and further, the upper pulling rope 592 drives the operating driving ring 54 to rotate, so that the unlocking effect is achieved. Meanwhile, a return spring 55 is abutted between the lower lock shell 52 and the special-shaped gear 56, so that after the operating handle 591 is reset, the special-shaped gear 56 is reset between the upper lock shell 51 and the lower lock shell 52 under the action of the return spring 55, and simultaneously drives the driving ring 54 to move towards the upper lock shell 51, when the driving ring 54 moves, the driving ring 54 rotates under the guiding action of the guiding surface 58, so that the traction rope 74 is wound on the driving ring 54 again, and the effect of resetting and locking is achieved.

Fixed subassembly 6 is including setting up the locking groove 61 at the diapire of slide rail 21 down, the inside sliding tray 62 that is provided with of lower carriage subassembly, it is provided with locking plate 63 to slide in sliding tray 62, it has draw-in groove 631 to open in the locking plate 63, trace 23 both ends are inside all to be inserted and to be equipped with the fitting pin 64, the fitting pin 64 tip is provided with convex chamfer, the butt has locking spring 65 between fitting pin 64 and the trace 23, thereby make fitting pin 64 stretch out under locking spring 65's effect, and pass in locking groove 61 gets into draw-in groove 631, thereby it is fixed to make fitting pin 64 be blocked by groove 631 joint, thereby reach the effect of fixed trace 23. The locking plate 63 is connected with a lower pulling rope 74 for driving the locking plate 63 to move, an unlocking guide surface 632 obliquely arranged on the side wall of the lock groove is further arranged, so that the lower pulling rope 74 drives the locking plate 63 to move, and the locking pin 64 is separated from the clamping groove 631 and the lock groove under the extrusion of the unlocking guide surface 632 to achieve the unlocking effect. Meanwhile, in order to ensure that the locking piece 63 can be reset after being moved for the next locking, a locking spring 66 is abutted between the locking piece 63 and the side wall of the sliding groove 62, so that the locking piece 63 can be reset under the action of the locking spring 66. In order to prevent the locking pin 64 from being separated from the linkage rod 23, the locking pin 64 is further provided with a positioning rod 67, and the linkage rod 23 is internally provided with a limiting groove 68 for the positioning rod 67 to slide.

Interlock piece 7 is including setting up rotating disc 71 on axis of rotation 53, be provided with butt strip 72 on rotating disc 71, all be provided with on lock shell 51 and the lower lock shell 52 and supply butt strip 72 pivoted waist type groove 73, the radian in waist type groove 73 is less than 90, when last lock shell 51 follows the push rod subassembly and rotates more than 90 promptly, it can the butt on butt strip 72 to go up lock shell 51, and then drive butt strip 72 and rotate, thereby make butt strip 72 rotate, butt strip 72 is connected with haulage rope 74 down, and then transfer haulage rope 74 and remove down, thereby make locking plate 63 slide the unblock in the locking groove. After the upper locking assembly is unlocked through the operating handle 591, the lower locking assembly is unlocked when the upper push rod assembly rotates and is folded, so that the whole frame can be unlocked completely only by unlocking once.

The implementation principle of this application embodiment baby's shallow frame does: when the upper lock shell 51 rotates by more than 90 degrees along with the rotation of the upper push rod assembly, the upper lock shell 51 can abut against the abutting strips 72, and then the abutting strips 72 are driven to rotate, so that the abutting strips 72 rotate, the abutting strips 72 are connected with the lower traction rope 74, and then the lower traction rope 74 is driven to move, so that the locking plate 63 is enabled to slide in the locking groove for unlocking. After the upper locking assembly is unlocked through the operating handle 591, the lower locking assembly is unlocked when the upper push rod assembly rotates and is folded, so that the whole frame can be unlocked completely only by unlocking once.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a baby's shallow frame which characterized in that: the connecting device comprises a front support assembly (1) and a rear support assembly (2) which are hinged with each other, wherein a rear push rod assembly (3) is hinged on the rear support assembly (2), a pair of slide rails (21) is arranged on the rear support assembly (2), a slide block (22) is arranged on each slide rail (21), a linkage rod (23) is fixed between the two slide blocks (22), a first connecting rod (24) assembly is hinged between the linkage rod (23) and the rear push rod assembly (3), and a second connecting rod (25) assembly is hinged between the linkage rod (23) and the rear drag rod assembly;

a lower fixing component (6) is arranged between the linkage rod (23) and the rear support component (2).

2. A stroller frame according to claim 1, wherein: fixed subassembly (6) are including setting up locking groove (61) at slide rail (21) diapire down, back support subassembly (2) inside is provided with sliding tray (62), it is provided with locking plate (63) to slide in sliding tray (62), set up in locking plate (63) draw-in groove (631), interlock pole (23) both ends are inside all to be inserted and to be equipped with fitting pin (64), and butt joint has between fitting pin (64) and interlock pole (23) and is arranged in the locking spring (65) of impressing fitting pin (64) in draw-in groove (631), drawing rope (74) under locking plate (63) are connected with.

3. A stroller frame according to claim 2, wherein: and a locking spring (66) is abutted between the locking plate (63) and the side wall of the sliding groove (62).

4. A stroller frame according to claim 1, wherein: the back push rod subassembly (3) go up to articulate there is preceding push rod subassembly (4), is provided with between back push rod subassembly (3) and preceding push rod subassembly (4) and is used for the fixed subassembly (5) of going up of reciprocal anchorage, go up fixed subassembly (5) and be provided with interlock (7) down between fixed subassembly (6).

5. A stroller frame according to claim 4, characterized in that: the upper fixing assembly (5) comprises an upper lock shell (51) fixed on the upper push rod assembly in an inserting mode and a lower lock shell (52) fixed on the lower push rod assembly in an inserting mode, a rotating shaft (53) is arranged on the upper lock shell (51), the lower lock shell (52) is arranged on the rotating shaft (53) in a rotating mode, special-shaped teeth (56) grooves corresponding to each other are arranged on the upper lock shell (51) and the lower lock shell (52), special-shaped teeth (56) wheels corresponding to the special-shaped teeth (56) grooves are arranged in the special-shaped teeth (56) grooves, a driving ring (54) is arranged between each special-shaped tooth (56) wheel and the upper lock shell (51), a guide surface (58) for spiral climbing is arranged in the driving ring (54), a spiral driving table (57) matched with the guide surface (58) is arranged on the upper lock shell (51), the spiral driving table (57) extends into the driving ring (54), and an unlocking piece (59) used for driving the driving ring (54) to rotate is further arranged on the upper assembly.

6. A stroller frame according to claim 5, wherein: the unlocking piece (59) comprises an operating handle (591) arranged on the upper push rod assembly, an upper pulling rope (592) is connected to the operating handle (591), and one end, far away from the operating handle (591), of the upper pulling rope (592) is connected with the driving ring (54).

7. A stroller frame according to claim 1, wherein: the linkage piece (7) comprises a rotating disc (71) arranged on the rotating shaft (53), the rotating disc (71) is provided with an abutting strip (72), and the upper lock shell (51) and the lower lock shell (52) are both provided with waist-shaped grooves (73) for the abutting strip (72) to rotate.