CN217100137U - Children's shallow of auxiliary assembly can be connected - Google Patents

Abstract

The utility model discloses a can connect auxiliary assembly's children's shallow, including the wheel that has the shaft, with wheel hub connection's wheel seat and with the supporting legs that the wheel seat is connected, be provided with on the children's shallow and be used for connecting auxiliary assembly's connector, the connector cup joints on the wheel seat to have the connection auxiliary assembly's connecting portion. The connecting rod of the more traditional children's shallow of wheel seat is bigger on radial dimension, and length is littleer, and the inside of wheel seat generally can assemble other parts or set up the strengthening rib and improve self intensity, therefore the structural strength of wheel seat is greater than the structural strength of connecting rod, then auxiliary assembly passes through the connector to be installed on the wheel seat, and joint strength is higher, is difficult for taking place the cracked phenomenon of axostylus axostyle.

Description

Children's shallow of auxiliary assembly can be connected

Technical Field

The application relates to the technical field of baby carriages, in particular to a baby carriage capable of being connected with auxiliary equipment.

Background

A stroller is a stroller for carrying a child, and is equipped with auxiliary devices (e.g., pedals) to enhance enjoyment or to accommodate use in a family.

In the prior art, similar auxiliary devices such as pedals are often detachably connected to a stroller, and as chinese patent publication No. CN 201148169Y discloses an additional carrier for a stroller, wherein the auxiliary devices are mounted on two rear axle rods, and because the length of the axle rods is long, when the auxiliary devices are pedals, the acting force generated when a child stands on the pedals is large, which easily causes the breakage of the axle rods, and there is a safety accident. In order to avoid the fracture, the shaft rod is generally thickened or selected to be a solid rod, and the metal material is adopted, so that the manufacturing cost is increased correspondingly.

SUMMERY OF THE UTILITY MODEL

The application provides a but auxiliary assembly ground child's shallow has improved the joint strength between auxiliary assembly and the frame.

The application provides a but children's shallow of auxiliary assembly, including the wheel that has the shaft, with wheel seat that the shaft is connected and with the supporting legs that the wheel seat is connected, be provided with on the children's shallow and be used for connecting auxiliary assembly's connector, the connector cup joints on the wheel seat to have the connection auxiliary assembly's connecting portion.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the connector has a mounting hole, and a hole wall of the mounting hole is matched with the periphery of the wheel seat.

Optionally, the wheel seat radially extends convexly be equipped with the supporting seat of supporting legs butt joint, the connector cup joints along the axial on the wheel seat and set up on self global dodge the groove of dodging of supporting seat.

Optionally, the groove wall of the avoiding groove abuts against part of the periphery of the supporting seat.

Optionally, the avoiding groove has an opening for the supporting seat to pass through, the connector is rotatably mounted with a locking ring on one side of the opening, and the locking ring has a locking state for closing the opening and an unlocking state for opening the opening by rotation.

Optionally, the connector comprises a lock pin movably mounted on the connector and extending into the lock ring to limit rotation thereof, and an elastic member mounted on the connector and acting on the lock pin;

and the lock ring is provided with a lock hole matched with the lock pin.

Optionally, a limiting groove is arranged on the connector on the rotation path of the locking ring;

and in the locking state, the lock hole is aligned with the lock pin when the lock ring is abutted against the limit groove.

Optionally, the number of the wheels and the wheel seats is two, and a connecting rod is arranged between the two wheel seats;

the connector is connected to one of the wheel seats.

Optionally, the connecting portion includes two clamping arms extending radially and protruding and arranged at intervals, and a cross bar connected between the two clamping arms;

the auxiliary equipment comprises an interface matched with the cross rod, a locking block movably arranged on the auxiliary equipment, and a return spring arranged on the auxiliary equipment and acting on the locking block to enable the locking block to close the interface.

Optionally, the sum of the distances from the two sides of the cross bar protruding out of the interface is L1, and L1 satisfies 1.0mm < L1 < 5.0 mm.

The utility model provides a children's shallow is connected to auxiliary assembly to the wheel seat through the connector on, for connecting on two axostylus axostyles, has improved joint strength, avoids the axostylus axostyle fracture.

Drawings

FIG. 1 is a structural view of a stroller according to an embodiment of the present application;

FIG. 2 is a schematic view of the auxiliary device of FIG. 1 shown mounted/removed;

FIG. 3 is a partial exploded view of a stroller in accordance with an embodiment of the present application;

FIG. 4 is a partial structural view of a stroller of an embodiment of the present application at a wheel seat;

FIG. 5 is a structural view of the locking ring of the connector of FIG. 3 in a unlocked condition;

FIG. 6 is a structural view of the lock ring of FIG. 5 in a locked condition;

FIG. 7 is a partial assembled view of the auxiliary device and the crossbar of the stroller of an embodiment of the present application;

fig. 8 is a structural view of the auxiliary device of fig. 7 after the locking block is slidably locked.

The reference numerals in the figures are illustrated as follows:

100. a wheel; 101. an axis; 110. a wheel axle;

200. a wheel seat; 210. a connecting rod; 220. a supporting base;

300. supporting legs;

400. a connector; 410. a connecting portion; 420. mounting holes; 430. a locking ring; 431. a lock hole;

440. a lock pin; 450. a boss; 451. a limiting groove; 460. clamping arms; 470. a cross bar;

480. an avoidance groove; 481. an opening;

500. an auxiliary device; 510. an interface; 520. a locking block.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In this application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular order or number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1 to 4, the present application provides a stroller capable of connecting auxiliary devices, including a wheel 100 having an axle 110, a wheel seat 200 connected to the axle 110, and a support foot 300 connected to the wheel seat 200, wherein the wheel 100, the wheel seat 200, and the support foot 300 form a portion of a frame, and only the portion of the stroller is shown in the drawings, without showing the overall view of the stroller, but without affecting the description of the following embodiments. Wherein the wheel 100 has an axis 101, and the axle 110 is protruded along the axis 101 and can be detachably connected with the wheel seat 200. The embodiments described below refer to axial and radial directions relative to the axis 101.

In this embodiment, the stroller is provided with a connector 400 for connecting an auxiliary device 500 (e.g., a pedal), and the connector 400 is fitted to the wheel holder 200 and has a connecting portion 410 for connecting the auxiliary device 500. The connection portion 410 extends radially, and can be quickly assembled and disassembled with the auxiliary device 500 by using the prior art. Wheel seat 200 is bigger than the axostylus axostyle of traditional children's shallow in radial dimension, and length is littleer, and wheel seat 200's inside generally can assemble other parts or set up the strengthening rib and improve self intensity, and consequently wheel seat 200's structural strength is greater than the structural strength of axostylus axostyle, and then auxiliary assembly 500 passes through connector 400 to be installed on wheel seat 200, and joint strength is higher, the difficult cracked phenomenon of axostylus axostyle that takes place.

The number of the wheels 100 and the wheel seats 200 is two, the connecting rod 210 is arranged between the two wheel seats 200, and the connector 400 is connected to one of the wheel seats 200. It can be seen that the length of the connecting rod 210 is significantly greater than the wheel base 200, and thus the strength of the connection of the auxiliary device 500 to the vehicle frame is higher. And the connecting rod 210 is allowed to adopt a plastic material or a hollow structure, so that the manufacturing cost is reduced.

Since the wheel seat 200 needs to be connected to the supporting leg 300, the external shape is not conventional, and therefore the connection between the auxiliary device 500 and the stroller needs to be completed by providing the connector 400, but in order to ensure strength and facilitate assembly, in an embodiment, the connector 400 has a mounting hole 420, a hole wall of the mounting hole 420 is adapted to the periphery of the wheel seat, and the mounting hole 420 may be circumferentially closed and sleeved on the connector 400 along the axis 101, or the connector 400 includes at least two parts at the mounting hole 420, and the two parts are fixed to each other in the radial direction by the prior art such as a fastener, a buckle, and the like. Wherein it is preferred that the connector 400 be axially mounted for ease of assembly.

The wheel seat 200 is provided with a supporting seat 220 in a protruding manner for abutting against the supporting leg 300 in a radial extending manner, and the connector 400 is sleeved on the wheel seat 200 along the axial direction and is provided with an avoiding groove 480 for avoiding the supporting seat 220 on the circumferential surface of the connector. The contact area between the wall of the mounting hole and the peripheral surface of the wheel seat is increased as much as possible to ensure the structural strength.

In this embodiment, the remaining portion of the outer peripheral shape of the wheel seat 200 except the support seat 220 is a circular shape, and the corresponding mounting hole 420 is a circular hole, so that the groove wall of the avoiding groove 480 abuts against a portion of the outer periphery of the support seat 220, and the rotation of the connector 400 about the axis 101 is restricted.

Referring to fig. 5 and 6, the escape groove 480 has an opening 481 for passing the support seat 220 therethrough, and the connector 400 is rotatably mounted with the lock ring 430 on the side of the opening 481, the lock ring 430 having a locked state closing the opening 481 and an unlocked state rotating the opening 481. Firstly, in the process that the connector 400 is sleeved on the wheel seat 200, the lock ring 430 is in an unlocked state, and interference with the support seat 220 is avoided; when the relief groove walls abut against the support seat 220, the opening 481 passes over the support seat 220 in the axial direction, the lock ring 430 rotates and shifts to the locked state, and the connector 400 is restricted from coming off in the axial direction, thereby preventing friction with the wheel 100. Meanwhile, in the locked state, the lock ring 430 abuts against the support seat 220 to limit the axial play of the connector 400.

In order to prevent the lock ring 430 from being switched to the unlocked state due to vibration during driving, the connector 400 includes a lock pin 440 movably mounted on the connector 400 and extending into the lock ring 430 to restrict rotation thereof, and an elastic member (invisible in the assembled state) mounted on the connector 400 and acting on the lock pin 440, and the lock ring 430 is formed with a lock hole 431 engaged with the lock pin 440. The shackle 430 is maintained in a locked state, and in the locked state, the lock pin 440 extends out of the lock hole 431 to be pressed back out of the lock hole 431.

The connector 400 is provided with a limiting groove 451 on a rotation path of the locking ring 430, and the locking hole 431 is aligned with the locking pin 440 when the locking ring 430 abuts against the limiting groove 451 in a locking state. The limiting groove 451 is used for installation and positioning, and assembly is convenient.

In this embodiment, the connector 400 is provided with a boss 450, the limiting groove 451 is formed on the boss 450, and the locking ring 430 is in clearance fit with the limiting groove 451 in the axial direction to limit the movement of the locking ring 430 and keep the locking ring 430 against the supporting seat 220.

The above-described connection method between the connector 400 and the wheel base 200, and the like are described in detail, and the following embodiments will describe the connection method between the connector 400 and the auxiliary device 500, and the like.

Referring to fig. 7 and 8, in an embodiment, the connecting portion 410 includes two clamping arms 460 protruding radially and spaced apart from each other, and a cross bar 470 connected between the two clamping arms 460, the auxiliary device 500 includes a port 510 engaged with the cross bar 470, a locking block 520 movably mounted on the auxiliary device 500, and a return spring (invisible in an assembled state) mounted on the auxiliary device 500 and acting on the locking block 520 to close the port 510. The interface 510 is the U-shaped, is convenient for the cover to inlay in the horizontal pole 470 periphery, and when closing interface 510, the inner wall of locking piece 520 and the inner wall of interface 510 are laminated with horizontal pole 470 periphery mutually, and increase area of contact is in order to promote the joint strength of connector 400 and auxiliary assembly 500. The cross bar 470 is a round bar for ease of machining and assembly. Viewed in axial projection, the clip arms 460 are located within the wheel 100 and are not accessible to a user.

The accessory 500 can slide axially on the crossbar 470. In one embodiment, the sum of the distances of the cross bar 470 protruding from the two sides of the interface is L1, and L1 satisfies 1.0mm < L1 < 5.0mm, for example, L1 is 3.0 mm. Reducing the moment of the cross bar 470 is less likely to break than if it were mounted on the connecting rod 210. While reducing the sliding range of the auxiliary device in the axial direction of the crossbar, the installation gap of the auxiliary device 500 is secured.

The stroller of the application is provided with the connector on the wheel seat for installing the auxiliary equipment, and the connecting strength of the auxiliary equipment and the stroller is provided by virtue of the advantages of the thickness, the length and other dimensions of the wheel seat.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. The child cart capable of being connected with the auxiliary equipment comprises wheels with wheel shafts, wheel seats connected with the wheel shafts and supporting legs connected with the wheel seats.

2. The stroller of claim 1, wherein the connector has a mounting hole having a hole wall that fits around the periphery of the wheel seat.

3. The stroller of claim 1, wherein the wheel seat is provided with a support base extending radially and abutting against the support leg, and the connector is axially sleeved on the wheel seat and has an avoiding groove on its peripheral surface for avoiding the support base.

4. The stroller of claim 3, wherein the wall of the escape slot abuts a portion of the periphery of the support base.

5. The stroller of claim 4, wherein the escape slot has an opening for passage of the support base, and the connector has a lock ring rotatably mounted to a side of the opening, the lock ring having a locked state closing the opening and an unlocked state rotatably opening the opening.

6. The stroller of claim 5, wherein the connector comprises a latch movably mounted on the connector and extending into the lock ring to limit rotation thereof, and a resilient member mounted on the connector and acting on the latch;

the lock ring is provided with a lock hole matched with the lock pin.

7. The stroller of claim 6, wherein the connector is provided with a stop groove on a rotational path of the locking ring;

in the locking state, when the lock ring abuts against the limiting groove, the lock hole is aligned with the lock pin.

8. The stroller of claim 1, wherein the number of the wheels and the wheel seats is two, and a connecting rod is arranged between the two wheel seats;

the connector is connected to one of the wheel seats.

9. The stroller of claim 1, wherein the connecting portion comprises two spaced apart arms extending radially, and a cross bar connected between the two arms;

the auxiliary equipment comprises an interface matched with the cross rod, a locking block movably arranged on the auxiliary equipment, and a return spring arranged on the auxiliary equipment and acting on the locking block to enable the locking block to close the interface.

10. The stroller of claim 9, wherein the sum of the distances of the two sides of the cross bar projection interface is L1, and wherein L1 satisfies 1.0mm < L1 < 5.0 mm.

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