CN212243524U - Brake mechanism and baby carriage - Google Patents
Brake mechanism and baby carriage Download PDFInfo
- Publication number
- CN212243524U CN212243524U CN202020538354.2U CN202020538354U CN212243524U CN 212243524 U CN212243524 U CN 212243524U CN 202020538354 U CN202020538354 U CN 202020538354U CN 212243524 U CN212243524 U CN 212243524U
- Authority
- CN
- China
- Prior art keywords
- brake
- pin
- brake mechanism
- round pin
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 60
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000002337 anti-port Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a brake mechanism and children's shallow, brake mechanism are used for preventing the relative motion between first part and the second part, brake mechanism is including fixed the setting brake disc on the first part with can set up with sliding brake round pin subassembly on the second part, brake round pin subassembly can with the brake disc cooperatees or breaks away from the cooperation, brake mechanism still sets up including can rotating drive wheel on the second part, be provided with the tooth on the drive wheel, be provided with the rack that extends along its slip direction on the brake round pin subassembly, the tooth with the rack meshes mutually. This brake mechanism simple structure, when the drive wheel rotated, can pass through the meshing motion drive brake mechanism brake of tooth and rack or separate the brake for the brake with separate the operation of stopping all very convenient, thereby make things convenient for the use of children's shallow.
Description
Technical Field
The utility model relates to a children's articles for use technical field, concretely relates to brake mechanism and children's shallow.
Background
The children's shallow carries less children to carry out outdoor activities for the adult and provides very big convenience, in order to increase the security performance when children's shallow uses, generally all can set up brake mechanism on the children's shallow to when being in open mode and not carrying out, brake mechanism can make children's shallow wheel assembly braking, in order to prevent children's shallow from removing by oneself. In the prior art, the brake mechanism on the baby carriage is various, but most of the brake mechanisms have the problems of complex structure and inconvenient operation.
Disclosure of Invention
The utility model aims at providing an improved brake mechanism to the not enough of prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a brake mechanism for preventing relative motion between a first component and a second component, the brake mechanism comprises a brake disc fixedly arranged on the first component and a brake pin assembly slidably arranged on the second component, the brake pin assembly can be matched with or separated from the brake disc, the brake mechanism further comprises a driving wheel rotatably arranged on the second component, teeth are arranged on the driving wheel, a rack extending along the sliding direction of the brake pin assembly is arranged on the brake pin assembly, and the teeth are meshed with the rack.
Preferably, the brake pin assembly includes a slider and a brake pin which are slidably disposed on the second member along the same direction, and a first elastic member disposed between the slider and the brake pin, one end of the slider is disposed with the rack engaged with the teeth, one end of the first elastic member abuts against the other end of the slider, the other end of the first elastic member abuts against one end of the brake pin, the other end of the brake pin is capable of engaging with or disengaging from the brake disc, the brake pin assembly further includes a second elastic member disposed between the brake pin and the second member, and both ends of the second elastic member abut against the brake pin and the second member, respectively.
Preferably, the brake pin assembly comprises a brake pin slidably disposed on the second member, one end of the brake pin being provided with the rack engaged with the teeth, and the other end of the brake pin being engageable with or disengageable from the brake disc.
Preferably, the second member is provided with a slide groove which is matched with the brake pin assembly, and the brake pin assembly is positioned in the slide groove and can be arranged in a sliding manner along the length extension direction of the slide groove.
Preferably, the brake mechanism further includes a limiting structure for limiting a rotation angle of the driving wheel, the limiting structure includes limiting portions respectively disposed at two end portions of the rack in the length direction, and the teeth are located between the two limiting portions.
Preferably, the driving wheel is rotatably connected to the second member via a rotating shaft extending in a front-rear or up-down direction.
Preferably, the brake mechanism further comprises a motor for driving the driving wheel to rotate, and the motor is fixedly arranged on the second component.
The utility model also provides a children's shallow, children's shallow has as above-mentioned arbitrary brake mechanism.
Preferably, the stroller comprises a stroller frame and a rear wheel assembly arranged at the rear part of the bottom of the stroller frame, the rear wheel assembly is respectively arranged at the left side and the right side of the stroller, the first component is the rear wheel assembly, the second component is the stroller frame, the brake discs are respectively and fixedly arranged at the left side and the right side of the rear wheel assembly, the brake pin assemblies are provided with two groups, each group of the brake pin assemblies can be matched with or separated from the corresponding brake disc at one side, and the rack of each group of the brake pin assemblies is respectively meshed with the teeth of the driving wheel or the driving wheel which is different.
Further, the racks of the two groups of brake pin assemblies are respectively meshed with the teeth of the same driving wheel, and the racks of the two groups of brake pin assemblies are respectively arranged on the upper side and the lower side of the teeth.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a brake mechanism simple structure, during the brake, as long as make the drive wheel forward rotate, can be through the meshing motion drive brake round pin subassembly of tooth and rack to the direction slip that is close to the brake disc, cooperate the completion brake operation until brake round pin subassembly and brake disc, and when releasing the brake, make drive wheel antiport, can be through the meshing motion drive brake round pin subassembly of tooth and rack to the direction slip of keeping away from the brake disc, throw off until the cooperation between brake round pin subassembly and the brake disc, thereby accomplish the operation of releasing the brake, the brake is all very convenient with the operation of releasing the brake, thereby make things convenient for the use of children's shallow.
Drawings
FIG. 1 is an exploded view of the brake mechanism of the present invention;
fig. 2 is an outline view of the brake mechanism of the present invention mounted on the second member (embodiment 1, the brake mechanism is in a braking state);
fig. 3 is an outline view of the brake mechanism of the present invention mounted on the second member (embodiment 1, the brake mechanism is in the process of braking or releasing brake);
fig. 4 is an outline view of the brake mechanism of the present invention mounted on the second member (embodiment 1, the brake mechanism is in an unlocked state);
FIG. 5 is an exploded view of the brake pin assembly of the present invention (example 1);
FIG. 6 is a schematic view of a brake pin assembly of the present invention (example 2);
fig. 7 is a schematic structural view of the brake mechanism of the present invention in embodiment 2;
fig. 8 is a schematic structural view of the stroller of the present invention;
fig. 9 is a partial enlarged view of a portion a of fig. 8.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 7, the brake mechanism of the present invention is used to prevent relative movement between a first member 100 and a second member 200, and includes a disc rotor 1 fixedly disposed on the first member 100 and a brake pin assembly 2 slidably disposed on the second member 200. The brake pin assembly 2 can be matched with or separated from the brake disc 1, when the brake mechanism is in a braking state, the brake pin assembly 2 is matched with the brake disc 1, and the first component 100 and the second component 200 cannot move relatively; when the brake mechanism is in the brake release state, the engagement between the brake pin assembly 2 and the brake disc 1 is disengaged, and the first member 100 and the second member 200 can move relatively.
The brake mechanism further includes a driving wheel 41 rotatably provided on the second member 200 through a rotary shaft 3, the rotary shaft 3 extending in a front-rear or up-down direction. Preferably, the driving wheel 41 is driven to rotate by a motor 42, the motor 42 is fixedly arranged on the second component 200, the driving wheel 41 is sleeved on a motor shaft of the motor 42 and rotates synchronously with the motor shaft, and when the motor 42 is started, the driving wheel 41 is driven to rotate relative to the second component 200. Therefore, the brake mechanism is an electric brake mechanism, and the brake or the brake release is easy. The driving wheel 41 is provided with teeth 411, and the brake pin assembly 2 is provided with a rack 221/251 extending along the length thereof, the teeth 411 being engaged with the rack 221/251. Thus, when the brake mechanism is braked from the brake-released state, the motor 42 drives the driving wheel 41 to rotate, and the brake pin assembly 2 is driven to slide towards the brake disc 1 relative to the second component 200 through the meshing motion of the teeth 411 and the racks 221/251 until the brake pin assembly is matched with the brake disc 1; when the brake mechanism is released from the braking state, the motor 42 drives the driving wheel 41 to rotate reversely, and the engagement movement of the teeth 411 and the racks 221/251 drives the brake pin assembly 2 to slide relative to the second member 200 in a direction away from the brake disc 1 until the engagement with the brake disc 1 is released.
With respect to the specific structure of the brake pin assembly 2, the following two specific embodiments are given in the present application.
Example 1
As shown in fig. 1 to 5, the brake pin assembly 2 includes a brake pin 21 and a slider 22 slidably disposed on the second member 200, respectively, and a first elastic member 23 disposed between the slider 22 and the brake pin 21, the sliding directions of the brake pin 21 and the slider 22 are the same, one end of the slider 22 is provided with a rack 221 engaged with the teeth 411, one end of the first elastic member 23 abuts against the other end of the slider 22, and the other end of the first elastic member 23 abuts against one end of the brake pin 21. The brake disc 1 is provided with a plurality of brake grooves 11, and the brake grooves 11 are arranged at intervals along the direction of relative movement of the first member 100 and the second member 200. The other end portion of the brake pin 21 is inserted into the brake groove 11 when the brake mechanism is in a braking state, and the brake pin 21 is completely released from the brake groove 11 when the brake mechanism is in an unlocking state. In this embodiment, the brake pin assembly 2 further includes a second elastic member 24 disposed between the brake pin 21 and the second member 200, and both end portions of the second elastic member 24 are abutted against the brake pin 21 and the second member 200, respectively. In this embodiment, the first elastic member 23 and the second elastic member 24 are compression springs.
In this embodiment, during braking, the motor 42 drives the driving wheel 41 to rotate in a forward direction, the sliding block 22 is driven to slide in a direction approaching the brake disc 1 relative to the second member 200 through the meshing motion of the teeth 411 and the rack 221, the sliding block 22 slides to compress the first elastic member 23, and the first elastic member 23 is compressed to a certain extent to drive the brake pin 21 to slide in a direction approaching the brake disc 1 relative to the second member 200; when the brake pin 21 moves to abut against the end surface of the brake disc 1 but does not enter the brake slot 11, the motor 42 stops driving the driving wheel 41 to rotate, and at this time, the brake pin 21 can continue to slide relative to the second member 200 in the previous sliding direction under the elastic force of the first elastic member 23 until the other end of the brake pin 21 is inserted into the brake slot 11, and the brake mechanism is in the braking state, and the first member 100 and the second member 200 cannot move relative to each other, as shown in fig. 2. During braking, the second resilient member 24 is compressed. During the brake release, the motor 42 drives the driving wheel 41 to rotate reversely, the sliding block 22 is driven to slide in the direction away from the brake disc 1 relative to the second component 200 through the meshing motion of the teeth 411 and the rack 221, the sliding block 22 slides to release the elasticity of the first elastic member 23, and after the elasticity of the first elastic member 23 is released to a certain degree, the second elastic member 24 drives the brake pin 21 to slide in the direction away from the brake disc 1 relative to the second component 200; when the brake pin 21 slides a certain distance but is not returned to the initial state, the motor 42 stops driving the driving wheel 41 to rotate in the reverse direction, and at this time, the brake pin 21 can continue to slide relative to the second member 200 in the previous sliding direction under the elastic force of the second elastic member 24 until the brake pin 21 is completely released from the brake slot 11, and the brake mechanism is in the brake release state, and the first member 100 and the second member 200 can move relative to each other, as shown in fig. 4.
In this embodiment, the first elastic member 23 and the second elastic member 24 are provided to play a certain role in buffering during braking and braking. Furthermore, during braking, impact caused by direct contact between the brake pin 21 and the brake disc 1 when the brake pin 21 cannot be aligned with the brake groove 11 of the brake disc 1 can be avoided.
Example 2
As shown in fig. 6 and 7, in this embodiment, the brake pin assembly 2 includes a brake pin 25 slidably disposed on the second member 200, and one end of the brake pin 25 is provided with a rack 251 engaged with the teeth 411. The brake disc 1 is provided with a plurality of brake grooves 11, and the brake grooves 11 are arranged at intervals along the direction of relative movement of the first member 100 and the second member 200. The other end portion of the brake pin 25 is inserted into the brake groove 11 when the brake mechanism is in a braking state, and the brake pin 25 is completely released from the brake groove 11 when the brake mechanism is in an unlocking state.
In this embodiment, when braking, the motor 42 drives the driving wheel 41 to rotate in a forward direction, and the engagement movement of the teeth 411 and the rack 251 drives the brake pin 25 to slide relative to the second member 200 in a direction approaching the brake disc 1 until the other end of the brake pin 25 is inserted into the brake slot 11, so that the braking mechanism is in a braking state, and the first member 100 and the second member 200 cannot move relative to each other. When the brake is released, the motor 42 drives the driving wheel 41 to rotate reversely, the brake pin 25 is driven to slide relative to the second component 200 in a direction away from the brake disc 1 through the meshing motion of the teeth 411 and the rack 251 until the brake pin 25 is completely released from the brake slot 11, the brake mechanism is in a release state, and the first component 100 and the second component 200 can move relatively. In this embodiment, the movement of the brake pin 25 is driven by the drive wheel 41 during both braking and braking. Compared to embodiment 1, the structure of the brake pin assembly 2 of this embodiment may cause a problem of impact generated by direct contact between the brake pin 25 and the brake disc 1 when the brake pin 25 is not aligned with the brake groove 11 of the brake disc 1 during braking.
In both embodiments, the second member 200 is provided with a sliding groove 201, in embodiment 1, the sliding groove 201 is respectively matched with the brake pin 21 and the sliding block 22, in embodiment 2, the sliding groove 201 is matched with the brake pin 25, and the brake pin assembly 2 is positioned in the sliding groove 201 and can be arranged in a sliding manner along the length extension direction of the sliding groove 201. The sliding of the brake pin assembly 2 is guided by the engagement of the slide groove 201 with the brake pin assembly 2 during the sliding of the brake pin assembly 2 relative to the second member 200.
In the two embodiments, the brake mechanism further includes a limiting structure for limiting the rotation angle of the driving wheel 41. Specifically, the limiting structure comprises limiting parts 222/252 which are respectively arranged at two end parts of the rack 221/251 in the length direction, and the teeth 411 and the rack 221/251 are positioned between the two limiting parts 222/252. When the drive wheel 41 is rotated so that the brake pin assembly 2 slides relative to the second member until the tooth 411 abuts against the stopper 222/252 on one side thereof. The driving wheel 41 cannot continue to rotate in the current direction and can only rotate in the reverse direction.
As shown in fig. 8 and 9, the brake mechanism of the present invention can be disposed on the stroller to be used, the stroller comprises a stroller frame and a rear wheel assembly disposed at the rear end of the stroller frame, the stroller frame comprises a rear wheel connecting rod extending along the left-right direction, the rear wheel assembly is disposed at the left and right sides of the stroller respectively, the first component 100 is the rear wheel assembly, the second component 200 is the rear wheel connecting rod, and the rear wheel assembly can be rotatably disposed at the left and right ends of the rear wheel connecting rod.
The brake disc 1 is respectively and fixedly arranged on the rear wheel components at the left side and the right side, the brake pin assemblies 2 and the driving wheels 41 are both arranged on the rear wheel connecting rods, the brake pin assemblies 2 are arranged in two groups, each group of brake pin assemblies 2 can be matched with or separated from the brake disc 1 at the corresponding side, and the racks 221/251 of each group of brake pin assemblies 2 are respectively meshed with the teeth 411 of the same driving wheel 41 or different driving wheels 41. In this embodiment, the racks 221/251 of the two sets of brake pin assemblies 2 are respectively engaged with the teeth 411 of the same driving wheel 41, and the two sets of racks 221/251 are respectively located at the upper and lower sides of the teeth 411.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A brake mechanism for resisting relative movement between a first member and a second member, the brake mechanism including a disc fixedly disposed on the first member and a brake pin assembly slidably disposed on the second member, the brake pin assembly being engageable with and disengageable from the disc, the brake mechanism comprising: the brake mechanism further comprises a driving wheel which can be rotatably arranged on the second component, teeth are arranged on the driving wheel, a rack extending along the sliding direction of the brake pin assembly is arranged on the brake pin assembly, and the teeth are meshed with the rack.
2. The brake mechanism of claim 1, wherein: brake round pin subassembly includes respectively can follow same direction and set up with sliding on the second part slider and brake round pin and setting are in slider with first elastic component between the brake round pin, a tip of slider be provided with the tooth meshes mutually the rack, a tip of first elastic component is supported and is established another tip of slider, another tip of first elastic component is supported and is established a tip of brake round pin, another tip of brake round pin can with brake disc cooperation or throw off the cooperation, brake round pin subassembly is still including setting up brake round pin with second elastic component between the second part, the both ends of second elastic component are supported respectively and are established brake round pin with on the second part.
3. The brake mechanism of claim 1, wherein: the brake pin assembly comprises a brake pin which can be slidably arranged on the second component, one end of the brake pin is provided with the rack meshed with the teeth, and the other end of the brake pin can be matched with or separated from the brake disc.
4. The brake mechanism according to any one of claims 1 to 3, wherein: the second component is provided with a sliding groove matched with the brake pin assembly, and the brake pin assembly is positioned in the sliding groove and can be arranged in a sliding mode along the length extending direction of the sliding groove.
5. The brake mechanism of claim 1, wherein: the brake mechanism further comprises a limiting structure used for limiting the rotating angle of the driving wheel, the limiting structure comprises limiting parts which are arranged at two end parts of the rack in the length direction respectively, and the teeth are located between the two limiting parts.
6. The brake mechanism of claim 1, wherein: the driving wheel is connected with the second component in a rotating mode through a rotating shaft, and the rotating shaft extends in the front-back direction or the up-down direction.
7. The brake mechanism of claim 1, wherein: the brake mechanism further comprises a motor for driving the driving wheel to rotate, and the motor is fixedly arranged on the second component.
8. A stroller, characterized in that: having a brake mechanism according to any one of claims 1 to 7.
9. The stroller of claim 8, wherein: the children's shallow includes the shallow frame and sets up the rear wheel subassembly at the end rear portion of shallow frame, the rear wheel subassembly sets up respectively the left and right sides of children's shallow, the first part does the rear wheel subassembly, the second part does the shallow frame, the brake disc is fixed respectively to be set up in the left and right sides on the rear wheel subassembly, the brake round pin subassembly is provided with two sets ofly, every group the brake round pin subassembly homoenergetic with correspond one side the brake disc cooperatees or breaks away from the cooperation, every group the brake round pin subassembly the rack respectively with same the drive wheel or different the tooth meshes.
10. The stroller of claim 9, wherein: the racks of the two groups of brake pin assemblies are respectively meshed with the teeth of the same driving wheel, and the racks of the two groups of brake pin assemblies are respectively arranged on the upper side and the lower side of the teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538354.2U CN212243524U (en) | 2020-04-13 | 2020-04-13 | Brake mechanism and baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538354.2U CN212243524U (en) | 2020-04-13 | 2020-04-13 | Brake mechanism and baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212243524U true CN212243524U (en) | 2020-12-29 |
Family
ID=74002090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020538354.2U Active CN212243524U (en) | 2020-04-13 | 2020-04-13 | Brake mechanism and baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212243524U (en) |
-
2020
- 2020-04-13 CN CN202020538354.2U patent/CN212243524U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202529013U (en) | Baby carriage | |
| CN212243524U (en) | Brake mechanism and baby carriage | |
| TW202202387A (en) | Baby carriage brake mechanism and baby carriage having the same | |
| CN111252133A (en) | Reversible baby carriage seat frame structure | |
| CN212243523U (en) | Brake mechanism and baby carriage | |
| CN212243522U (en) | Brake mechanism and baby carriage | |
| CN111483505A (en) | Brake mechanism and baby carriage | |
| CN218172065U (en) | Linkage structure for simultaneously unlocking front hook and rear hook and child safety seat | |
| CN209063931U (en) | A kind of child safety seat of anti-side collision | |
| CN113276933B (en) | Children's barrow | |
| CN212556461U (en) | Linkage brake mechanism of baby carriage and baby carriage | |
| CN214344405U (en) | Safety seat for amusement equipment | |
| CN217074696U (en) | Brake mechanism and perambulator of perambulator | |
| CN113799866A (en) | Linkage brake mechanism of baby carriage and baby carriage | |
| CN214776125U (en) | Orientation mechanism for a stroller | |
| CN215322816U (en) | Children's barrow | |
| CN112092963A (en) | Multifunctional baby carriage | |
| CN2843950Y (en) | Child's pram with flying disk ejection | |
| CN216374866U (en) | Brake mechanism of baby carriage | |
| CN216424532U (en) | Reversing stroller | |
| CN220924253U (en) | Wheel assembly and child cart | |
| CN216332253U (en) | Brake structure for baby carriage | |
| CN217488144U (en) | Children article | |
| CN214523438U (en) | Car seat slide release mechanism | |
| CN216128351U (en) | Forklift cab tipping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |