CN210592087U

CN210592087U - Bassinet service brake control structure

Info

Publication number: CN210592087U
Application number: CN201921404347.7U
Authority: CN
Inventors: 古正煇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-22
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a bassinet service brake control structure, including service brake main part, brake line and service brake footboard, the casing of brake line is fixed in the service brake main part, the inner core of brake line passes the service brake main part and links to each other with the service brake footboard, the service brake footboard and the service brake main part are rotatable connected, be equipped with the service brake pressure spring between service brake main part and the service brake footboard; a foot brake reset plate is rotatably arranged at the lower side of the foot brake pedal, and a foot brake torsional spring is arranged between the foot brake reset plate and the foot brake pedal; a matched convex strip clamping groove structure is arranged between the foot brake main body and the foot brake reset plate. The utility model discloses an useful part lies in: the control is convenient; the brake and the brake release are controlled by different actions, so that whether the brake is completely locked or not can be visually displayed and controlled, the brake reliability is good, and the safety is high.

Description

Bassinet service brake control structure

Technical Field

The utility model relates to a bassinet brake technical field especially relates to a bassinet service brake control structure.

Background

The baby carrier is a large door among children toys, and comprises five categories of children bicycles, children strollers, baby walker, children tricycle and children electric vehicles. When the baby carriage is used, in order to protect the body safety of the child and prevent the baby carriage from sliding and overturning, the normal braking performance of the baby carriage is an important factor when the baby carriage is selected. When the baby carriage is braked during running, the child cannot brake easily due to small hand force, and parents need to bend over to brake inconveniently due to the height of the baby carriage when the parents brake the baby carriage by using the hand brake for assisting braking, so the baby carriage can be controlled by a foot brake usually.

Chinese patent document No. CN2017113833638, published as 2019, 6 and 28, discloses an invention named "foot brake structure", which discloses a foot brake structure, including a main body assembly, a foot brake assembly, a first brake assembly and a second brake assembly. First brake subassembly and second brake subassembly set up in the body, and the first brake subassembly of service brake subassembly control rotates for the second brake subassembly, makes the second brake subassembly card solid at first brake subassembly, and first brake subassembly sees through the brake structure that the brake line dragged the wheel and brakes. The pedal of the foot brake assembly is trampled to brake, and the brake force can be gradually enhanced for more than a plurality of times. When the pedal of the foot brake assembly is stepped to the bottom, the brake effect can be reset, namely, the foot brake structure is restored to a state without the brake effect. The disadvantages are that: the braking and the starting are carried out by adopting the same action on the same mechanism, and a user cannot visually make braking judgment and starting judgment, so that the reliability is poor and potential safety hazards exist.

Therefore, it is necessary to design a baby carriage foot brake control structure which can stably brake and adopts different mechanism action control for braking and restarting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is inconvenient to overcome the service brake control structure braking among the prior art, can not judge directly perceivedly whether the braking target in place not enough, provides a bassinet service brake control structure, through the action of difference control braking respectively and restart, whether the braking of locking completely is shown directly perceivedly, braking reliability is good, and the security is high.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A bassinet foot brake control structure comprises a foot brake main body, a brake cable and a foot brake pedal, wherein a shell of the brake cable is fixed on the foot brake main body; a foot brake reset plate is rotatably arranged at the lower side of the foot brake pedal, and a foot brake torsional spring is arranged between the foot brake reset plate and the foot brake pedal; a matched convex strip clamping groove structure is arranged between the foot brake main body and the foot brake reset plate. The foot brake pedal is stepped down, the foot brake pedal can rotate around the foot brake main body to drive the brake cable inner core to extend, the foot brake is completed, the foot brake reset plate synchronously rotates downwards while the foot brake pedal rotates, and the foot brake torsional spring struts the foot brake pedal and the foot brake reset plate to ensure the position stability between the foot brake pedal and the foot brake reset plate; the convex strip clamping groove structures between the foot brake main body and the foot brake reset plate are matched with each other, so that the limit of the foot brake pedal and the foot brake reset plate is completed, and the reliability of the foot brake function is ensured; when the brake state needs to be relieved, the foot brake reset plate is shifted through the tiptoes, the foot brake pedal and the foot brake reset plate can reset under the action of the foot brake pressure spring and the foot brake torsion spring, the brake relief is completed, and the control is convenient; the brake and the brake release are controlled by different actions, so that whether the brake is completely locked or not can be visually displayed and controlled, the brake reliability is good, and the safety is high.

Preferably, the foot brake pedal and the foot brake reset plate are connected through a connecting rivet, and the foot brake torsion spring is sleeved on the outer peripheral side of the connecting rivet. Rotatable coupling is realized through connecting the rivet to service brake footboard and service brake board that resets, and the service brake resets the sand grip draw-in groove structure of board cooperation service brake main part and the junction of service brake footboard and service brake main part and sand grip draw-in groove structure on the service brake resets and forms similar crank link mechanism's transmission relation, realizes the eccentric setting of sand grip draw-in groove structure, makes things convenient for service brake footboard and service brake block spacing.

As preferred, the sand grip draw-in groove structure is including the spacing groove that is located service brake main part below and being located the spacing sand grip that establishes on the service brake reset plate, and spacing sand grip can be fixed with the spacing groove block. Through spacing groove and spacing sand grip block, accomplish service brake main part and service brake reset plate, easy operation is convenient.

Preferably, the groove wall of the limit groove adjacent to one side of the foot brake pedal and the side wall of the foot brake main body form a vertex angle capable of supporting the side surface of the limit convex strip, and the vertex angle is an acute angle; the groove wall of the limit groove adjacent to one side of the foot brake pedal and the groove bottom of the limit groove form a limit angle, and the limit angle is an acute angle. The reliable spacing of spacing groove to spacing sand grip is accomplished through the apex angle of acute angle and the spacing angle of acute angle, guarantees the reliability of sand grip draw-in groove structure joint fixity ability.

Preferably, the foot brake main body is matched and connected with the foot brake pedal through a connecting bolt and a connecting nut, and a foot brake spacer sleeve is sleeved outside the connecting bolt; the foot brake pressure spring is positioned at two ends of the connecting bolt. Rotatable coupling of service brake main part and service brake footboard is accomplished through connecting bolt and coupling nut cooperation service brake spacer, acts as slide bearing through the service brake spacer, guarantees the rotational stability, improves the wearability of service brake footboard.

Preferably, the end part of the brake cable is provided with a connecting cylinder with a diameter larger than that of the brake cable inner core, the foot brake pedal is provided with a connecting hole matched with the connecting cylinder, and the hole wall of the connecting hole is provided with an elongated slot in clearance fit with the diameter of the brake cable inner core. The rotatable arrangement of the connecting cylinder and the connecting hole can be realized through the matching of the connecting cylinder and the connecting hole, the brake cable can be prevented from being clamped, and the reliability of brake can be ensured; compare brake cable snap-on the service brake footboard, can prevent the lasting bending deformation of brake cable and service brake footboard junction, improve the life of brake cable.

Preferably, the brake cable comprises two cable bodies arranged side by side, and the connecting cylinder is vertically connected with the end parts of the two cable bodies. The two brake cables are arranged to improve the reliability of brake, and the brake tension is shared by the two brake cables arranged side by side, so that the service life of the brake cables is prolonged.

Preferably, the limiting groove is located at the bottom of the foot brake main body, and the outer side surface below the foot brake main body is in a shape of a gradually-reduced line curved surface gradually decreasing from the side wall of the limiting groove upwards. The rotation amount between the foot brake pedal and the foot brake reset plate can be gradually enlarged when the foot brake pedal is tightly pressed through the gradually-reduced line curved surface, and the structural matching of the convex strip clamping groove between the foot brake main body and the foot brake reset plate is facilitated.

The utility model discloses an useful part lies in: the brake is convenient; the brake and the brake release are controlled by different actions, so that whether the brake is completely locked or not can be visually displayed, the brake reliability is good, and the safety is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the baby carriage of the invention during normal driving.

Fig. 3 is a schematic structural diagram of the baby carriage parking device.

In the figure: the mounting groove 11 of the foot brake main body 1 is provided with a limiting groove 13 and a vertex angle 14 brake cable 15, the shell 16 is provided with an inner core 17 which is connected with a cylinder 18 and a foot brake pedal 2, a connecting hole 21, a long groove 22, a connecting bolt 3, a connecting nut 4, a foot brake spacer 5, a brake compression spring 6, a foot brake reset plate 7, a limiting convex strip 71, a hook angle 72 and a foot brake torsion spring 8, and a rivet 9.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

In fig. 1 to 3, a bassinet foot brake control structure comprises a foot brake main body 1, a brake cable 15 and a foot brake pedal 2, wherein the foot brake main body 1 is fixed on a fixing tube 3 through screws. The shell 16 of the brake cable 15 is fixed on the service brake main body 1, the inner core 17 of the brake cable 15 penetrates through the service brake main body 1 and then is connected with the service brake pedal 2, the end part of the brake cable 15 is provided with a connecting cylinder 18 with the diameter being three times that of the inner core 17 of the brake cable 15, the brake cable 15 comprises two cable bodies arranged side by side, and the connecting cylinder 18 is vertically connected to the end parts of the two cable bodies. The foot brake pedal 2 is provided with a connecting hole 21 matched with the connecting column 18, and the hole wall of the connecting hole 21 is provided with a long groove 22 in clearance fit with the diameter of the inner core 17 of the brake cable 15. The inner core 17 of the brake cable 15 passes through the long groove 22 and is limited by the connecting cylinder 18 and the connecting hole 21. The foot brake pedal 2 is rotatably connected with the foot brake main body 1, the foot brake main body 1 is matched and connected with the foot brake pedal 2 through a connecting bolt 4 and a connecting nut 41, and a foot brake spacer 5 is sleeved outside the connecting bolt 4; a foot brake pressure spring 6 is arranged between the foot brake main body 1 and the foot brake pedal 2; and the foot brake pressure spring 6 is positioned at two ends of the connecting bolt 4. Be equipped with the convex mounting groove with connecting bolt 4 coaxial line between service brake main part 1 and the service brake footboard 2, the both ends of mounting groove are located service brake main part 1 and service brake footboard 2 respectively, and the both ends of mounting groove can rotate around connecting bolt 4 to the both ends of mounting groove are rotated relatively and are just can be driven compressing tightly of service brake pressure spring 6, and service brake pressure spring 6 just can open under self elasticity when the both ends looks back of the body of mounting groove is rotated. The foot brake pedal 2 is provided with friction grains.

A foot brake reset plate 7 is rotatably arranged at the lower side of the foot brake pedal 2, and a foot brake torsion spring 8 is arranged between the foot brake reset plate 7 and the foot brake pedal 2; the foot brake resets board 7 and includes two crossing panels, and the cross sectional shape of foot brake resets board 7 is "L" shape, and one of them panel of foot brake resets board 7 is adjacent with service brake footboard 2, and another panel is adjacent with service brake main part 1, and contained angle orientation service brake footboard 2 and service brake main part 1's junction between two panels of foot brake resets board 7. The foot brake pedal 2 is connected with the foot brake reset plate 7 through a connecting rivet 9, the connecting rivet 9 penetrates through the end part of the included angle of the two panels of the foot brake reset case, and the foot brake torsional spring 8 is sleeved on the periphery side of the connecting rivet 9. A matched convex strip clamping groove structure is arranged between the foot brake main body 1 and the foot brake reset plate 7. The convex strip clamping groove structure comprises a limiting groove 13 located below the foot brake main body 1 and a limiting convex strip 71 located on the foot brake reset plate 7, and the limiting convex strip 71 is located at the outer end of the panel adjacent to the foot brake main body 1. The limit protrusion 71 can be engaged and fixed with the limit groove 13. The spacing groove 13 is located the bottom of service brake main part 1, and the shape of service brake main part 1 below lateral surface is the gradual shrinkage line curved surface that upwards reduces gradually from spacing groove 13 lateral wall. The groove wall of the limit groove 13 adjacent to one side of the foot brake pedal 2 and the side wall of the foot brake main body 1 form a vertex angle 14 capable of propping against the side surface of the limit convex strip 71, and the vertex angle 14 is an acute angle; the top corner 14 is provided with a transition fillet at the end. The groove wall of the limit groove 13 adjacent to one side of the foot brake pedal 2 and the groove bottom of the limit groove 13 form a limit angle, and the limit angle is an acute angle. A bird mouth shape is formed between the tapered line curved surface and the limit angle; a hook angle 72 is formed between the limiting convex strip 71 and the adjacent panel, the hook angle 72 can hook the vertex angle 14, and when the baby carriage is parked, the hook angle 72 is matched with the vertex angle 14 for limiting, so that the limiting is reliable.

In the normal driving state, as shown in fig. 2, the service brake spring is in a relative relaxation state, the service brake spring controls the service brake pedal 2 to be at an initial position, at this time, the brake cable 15 is not pulled by the service brake pedal 2, and is in a relaxed state, the brake is not started, and the vehicle is in a normal driving state. When the vehicle needs to be parked, the foot brake pedal 2 is stepped down, the foot brake pedal 2 rotates along the connecting bolt 4, and the brake cable 15 is stretched. When the foot brake pedal 2 rotates to a specific position, namely the position shown in fig. 3, the foot brake reset plate 7 rotates clockwise under the action of the foot brake torsion spring 8, and keeps still after buckling the limiting groove 13 on the foot brake main body 1, and the foot brake pedal 2 connected with the foot brake pedal keeps still together. At this time, the brake cable 15 is stretched to the longest, the brake is applied, and the vehicle is in a stationary parking state. When the normal driving state needs to be recovered from the parking state, the tiptoe hook foot brake reset plate 7 is used for enabling the connecting rivet 9 to rotate anticlockwise and separate from the limiting groove 13 on the foot brake main body 1. Meanwhile, the service brake pedal 2 connected with the service brake reset plate 7 rotates anticlockwise along the connecting bolt 4 under the acting force of the compressed service brake pressure spring 6, the brake cable 15 retracts, when the service brake pedal 2 rotates to the initial position, the service brake pedal is stopped by the foot brake main body 1, the brake cable 15 is in a loosening state at the moment, the brake stops working, the service brake control structure is changed from the position shown in the figure 3 to the position shown in the figure 2, and the vehicle can normally run. The brake and the brake release are controlled by different actions, so that whether the brake is completely locked or not can be visually displayed and controlled, the brake reliability is good, and the safety is high.

Claims

1. A bassinet foot brake control structure comprises a foot brake main body, a brake cable and a foot brake pedal, wherein a shell of the brake cable is fixed on the foot brake main body; a foot brake reset plate is rotatably arranged at the lower side of the foot brake pedal, and a foot brake torsional spring is arranged between the foot brake reset plate and the foot brake pedal; a matched convex strip clamping groove structure is arranged between the foot brake main body and the foot brake reset plate.

2. A bassinet foot brake control structure as recited in claim 1, wherein the foot brake pedal and the foot brake reset plate are connected by a connecting rivet, and the foot brake torsion spring is sleeved on the outer periphery side of the connecting rivet.

3. A bassinet foot brake control structure as claimed in claim 1, wherein said rib slot structure comprises a limit groove located under the foot brake main body and a limit rib located on the foot brake reset plate, the limit rib can be fixed with the limit groove.

4. A bassinet foot brake control structure as claimed in claim 3, wherein the groove wall of the limit groove adjacent to the side of the foot brake pedal and the side wall of the foot brake body form a vertex angle capable of propping against the side surface of the limit convex strip, and the vertex angle is an acute angle; the groove wall of the limit groove adjacent to one side of the foot brake pedal and the groove bottom of the limit groove form a limit angle, and the limit angle is an acute angle.

5. The bassinet foot brake control structure of claim 1, wherein the foot brake main body is connected with the foot brake pedal through a connecting bolt and a connecting nut in a matching way, and a foot brake spacer is sleeved outside the connecting bolt; the foot brake pressure spring is positioned at two ends of the connecting bolt.

6. A bassinet foot brake control structure as claimed in claim 1, characterized in that the end of the brake cable is provided with a connecting cylinder with a diameter larger than the inner core of the brake cable, the foot brake pedal is provided with a connecting hole matching with the connecting cylinder, and the hole wall of the connecting hole is provided with an elongated slot in clearance fit with the diameter of the inner core of the brake cable.

7. A footbrake control structure for a stroller as recited in claim 6, wherein the brake cable comprises two wire bodies arranged side by side, and the connecting cylinder is vertically connected to the ends of the two wire bodies.

8. A bassinet foot brake control structure as claimed in claim 3 or 4, characterized in that the limit groove is located at the bottom of the foot brake main body, and the shape of the outer side surface below the foot brake main body is a tapered line curved surface which gradually decreases from the side wall of the limit groove upwards.