CN212354113U - Wheel brake mechanism of baby carriage - Google Patents
Wheel brake mechanism of baby carriage Download PDFInfo
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- CN212354113U CN212354113U CN202021699254.4U CN202021699254U CN212354113U CN 212354113 U CN212354113 U CN 212354113U CN 202021699254 U CN202021699254 U CN 202021699254U CN 212354113 U CN212354113 U CN 212354113U
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- brake
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- front fork
- brake block
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Abstract
The utility model discloses a perambulator wheel brake actuating mechanism, the wheel can be installed on the wheel support of rotating, the coaxial brake ring gear that has set firmly on the wheel, the brake block can be along the gliding installation in wheel radial on the wheel support, brake block one end is equipped with the latch that extends along the wheel axial, the latch inserts and locates in the brake ring gear and can mesh the card with the brake ring gear and put, the elastic component provides the brake block with the elastic force that keeps latch and brake ring gear meshing card to put, the slidable installation of brake guide arm on the wheel support of brake, brake guide arm one end is tight to the brake block other end, and the brake guide arm slides and can press the brake block and overcome elastic component elasticity and slide along the wheel radial, the switch mounting is on the wheel support, the switch can drive the brake guide arm reciprocating sliding, the utility model discloses simple structure can realize two wheels brake simultaneously or cancel the brake through a switch, convenient operation, the brake is stable, has avoided the brake failure condition to take place.
Description
Technical Field
The utility model relates to a baby's shallow, in particular to perambulator wheel brake actuating mechanism.
Background
Baby's shallow is deeply favored by the head of a family at present, during the trip, can put the baby and push up the implementation, save strength, the trip is convenient, and the wheel brake structure of present perambulator is mostly realized by the mode that adopts friction, set up eccentric friction disc promptly on the wheel seat, during the brake, need step on the eccentric friction disc of two wheels respectively and realize the wheel brake, eccentric friction disc is the easy wearing and tearing of long-term use on the one hand of this kind of structure, cause the brake failure, on the other hand, need carry out brake operation to two wheels respectively, the operation is inconvenient, still appear easily owing to only giving a wheel brake, the unstable condition of perambulator brake appears.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a perambulator wheel brake actuating mechanism, this perambulator wheel brake actuating mechanism's simple structure, brake convenient operation, brake are stable.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: a wheel brake mechanism of a baby carriage comprises wheels, a wheel bracket, a brake block, a brake guide rod, an elastic piece and a switch, the wheel can be rotatably arranged on the wheel bracket, the wheel is coaxially and fixedly provided with a brake inner gear ring, the brake block can be arranged on the wheel bracket in a sliding way along the radial direction of the wheel, one end of the brake block is provided with a latch extending along the axial direction of the wheel, the latch is inserted in the brake inner gear ring and can be engaged and clamped with the brake inner gear ring, the elastic piece provides elastic force for keeping the latch and the brake inner gear ring engaged and clamped with each other for the brake block, the brake guide rod can be slidably arranged on the wheel bracket, one end of the brake guide rod tightly abuts against the other end of the brake block, and the brake guide rod can press the brake block to overcome the elasticity of the elastic part to slide along the radial direction of the wheel by sliding, the switch is arranged on the wheel bracket, and the switch can drive the brake guide rod to slide in a reciprocating manner.
As the utility model discloses a further improvement still is equipped with the connecting rod, two wheel support parallel interval arrangements, the connecting rod both ends respectively with two wheel support fixed connection, the switch mounting on the connecting rod, the switch can drive the brake guide arm reciprocating sliding on two wheel supports simultaneously.
As a further improvement of the utility model, the connecting rod is the tubular structure, is equipped with on the wheel support and supplies the gliding slide of brake guide arm, and the slide cross intercommunication on inboard and the wheel support of connecting rod can gliding in the connecting rod be equipped with two brake guide poles, and two brake guide poles pass through the inclined plane contact with the brake guide arm in the wheel support slide at connecting rod both ends respectively, and two brake guide pole synchronous reverse motion of switch drive on the connecting rod.
As a further improvement, be equipped with on the brake guide pole lateral wall along its axially extended rectangular shape groove structure, the fixed radial bulge structure that is equipped with on the connecting rod lateral wall, radial bulge structure can be gliding insert locate the brake guide pole on the lateral wall in the rectangular shape groove structure.
As a further improvement, the wheel support includes wheel seat, wheel seat joint and front fork, the wheel seat connects and is equipped with hollow rotating shaft, this hollow rotating shaft axial locking and circumferencial direction can the pivoted insert locate the wheel seat in, the brake guide arm can follow the gliding hollow rotating shaft that inserts and locate the wheel seat and connect, the front fork upper end is installed on the wheel seat, the wheel can the pivoted install between two inserted sheets of front fork, the brake block can slide to set for installing of distance on the front fork lateral wall, the brake block other end is formed with the fender wall along wheel axial extension, should keep off between two inserted sheets of front fork, brake guide arm one end tightly supports on the fender wall upside surface of the brake block other end.
As a further improvement of the utility model, be equipped with the connecting wall between two inserted sheets of front fork, be formed with the fender wall that supplies the brake block in the connecting wall and insert the passageway of establishing, still be equipped with the hole of dodging that communicates with the hollow rotating shaft that the wheel seat connects on the connecting wall on the lateral wall, brake guide arm one end is through this dodging the hole and inserting the fender wall of tightly supporting the brake block other end in the passageway of connecting wall.
As a further improvement, the brake block is the structure of falling the U-shaped, and the connecting wall is the bottom surface of the structure of falling the U-shaped, and latch fixed mounting is formed with on the two inserted sheet lateral walls of front fork and supplies the gliding slide of the structure both sides wall of falling the U-shaped of brake block on the structure both sides wall of falling the U-shaped.
As a further improvement, the utility model discloses a still be equipped with the direction arch on the slide bottom surface of two inserted sheet lateral walls of front fork, still be equipped with the spout that extends along its slip direction on the structure lateral wall of the brake block shape of falling U, the direction arch can be relative slip insert locate in aforementioned spout.
As a further improvement, the wheel seat joint is provided with a round hole and an arc hole concentric with the round hole, the upper end of the front fork is provided with two mounting holes right opposite to the round hole and the arc hole, the two mounting holes at the upper end of the front fork are connected with the round hole and the arc hole through connecting pieces, and a buffering elastic piece is arranged between the wheel seat joint and the front fork.
As a further improvement of the utility model, the wheel seat joint and the front fork are respectively provided with an elastic piece insertion groove, and the two ends of the buffering elastic piece are respectively and closely inserted into the elastic piece insertion groove.
The utility model has the advantages that: the utility model discloses a brake guide arm slides and supports to press the brake block to make it overcome elastic force and realize that it goes up ring gear dropout, realize that the wheel rotates at will, brake guide arm reverse motion, the brake block loses the support of brake guide arm and presses the effect to reset under the elastic component spring action and put the realization brake action with the gear engagement card, this kind of brake simple structure, more drive the brake block on two wheels respectively through two brake guide bars of a switch linkage, an operation can realize two wheels brake or cancellation brake simultaneously, high durability and convenient operation, can avoid a wheel to forget the condition of brake, the perambulator brake is stable, and realize the brake through ring gear and the structure of latch meshing, the friction disc wearing and tearing have been avoided, brake failure condition emergence has been avoided.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a first exploded view of the present invention;
FIG. 3 is a second exploded view of the present invention;
FIG. 4 is a front view of a wheel portion of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
fig. 6 is the structural schematic diagram of the switch synchronous driving two wheel brakes of the utility model.
Detailed Description
Example (b): a baby carriage wheel brake mechanism comprises a wheel 1, a wheel support, a brake block 2, a brake guide rod 3, an elastic piece 4 and a switch 21, wherein the wheel 1 can be rotatably installed on the wheel support, a brake inner gear ring 5 is coaxially and fixedly arranged on the wheel 1, the brake block 2 can be installed on the wheel support along the radial sliding of the wheel 1, one end of the brake block 2 is provided with a latch 6 extending along the axial direction of the wheel 1, the latch 6 is inserted in the brake inner gear ring 5 and can be engaged and clamped with the brake inner gear ring 5, the elastic piece 4 provides elastic force for keeping the latch 6 engaged and clamped with the brake inner gear ring 5 for the brake block 2, the brake guide rod 3 can be installed on the wheel support in a sliding manner, one end of the brake guide rod 3 tightly abuts against the other end of the brake block 2, and the brake guide rod 3 can press the brake block 2 to overcome the elastic force of the elastic piece 4 to, the switch 21 is arranged on the wheel bracket, and the switch 21 can drive the brake guide rod 3 to slide back and forth. The conventional state, the brake block 2 keeps the state of meshing and clamping with the inner gear ring on the wheel 1 under the action of the elastic element 4, when a baby carriage needs to be pushed, only one switch 21 needs to be operated, the switch 21 drives the brake guide rod 3 to press the brake block 2 downwards, so that the brake block 2 overcomes the elastic force and slides along the radial direction of the wheel 1, the latch 6 on the brake block 2 is separated from the inner gear ring of the wheel 1, the wheel 1 can rotate at will at the moment, the structure is simple, the brake of the wheel 1 is realized through the latch 6 meshing structure, the brake is firm and stable, and the brake failure condition caused by long-term use is avoided.
The two wheel supports are arranged in parallel at intervals, two ends of the connecting rod 7 are fixedly connected with the two wheel supports respectively, the switch 21 is installed on the connecting rod 7, and the switch 21 can drive the brake guide rods 3 on the two wheel supports to slide in a reciprocating mode. The two wheels 1 are synchronously braked or synchronously braked, so that the two wheels 1 are prevented from being respectively braked, and the braking efficiency is improved.
Connecting rod 7 is the tubular structure, is equipped with on the wheel support and supplies the gliding slide 16 of brake guide arm 3, and slide 16 on 7 inboard and the wheel support of connecting rod communicates alternately, can gliding in the connecting rod 7 be equipped with two brake guide poles 8, and two brake guide poles 8 pass through the inclined plane contact with the brake guide arm 3 in the wheel support slide 16 at connecting rod 7 both ends respectively, and switch 21 on the connecting rod 7 drives two synchronous reverse motion of brake guide pole 8. The two brake guide rods 8 are driven by the switch 21 to synchronously and reversely slide, and then the inclined planes on the brake guide rods 8 are abutted against the other ends of the brake guide rods 3, so that the two brake guide rods 3 synchronously slide to realize braking and brake releasing operations, the structure for driving the two brake guide rods 8 to synchronously and reversely slide by the switch 21 can be a plurality of structures, for example, the switch 21 is inserted into a button structure in a direction perpendicular to the sliding direction of the brake guide rods 8, two sides of the button structure respectively form symmetrical inclined planes, the two symmetrical inclined planes are respectively matched and contacted with the inclined planes on the brake guide rods 8, synchronous reverse driving on the two brake guide rods 8 can be realized by pressing the switch 21, the switch 21 can also be a knob, a gear is coaxially arranged on the knob, racks are arranged on the two brake guide rods 8, the two racks are respectively engaged with two sides of the gear, two pull locks wound on the knob, equivalent structures that can be easily conceived by a person skilled in the art from this patent are intended to be covered by this patent.
The side wall of the brake guide rod 8 is provided with a strip-shaped groove structure 9 extending along the axial direction of the brake guide rod, the side wall of the connecting rod 7 is fixedly provided with a radial protrusion structure, and the radial protrusion structure can be slidably inserted into the strip-shaped groove structure 9 on the side wall of the brake guide rod 8. The sliding guide of the brake guide rod 8 is realized through the matching of the strip-shaped groove structure 9 and the radial protrusion structure, and the guide can also be realized between the side wall of the connecting rod 7 and the brake guide rod 8 through the matching of the key and the key groove structure.
The wheel support includes wheel seat 10, wheel seat joint 11 and front fork 12, wheel seat joint 11 is last to be equipped with hollow rotating shaft 13, this hollow rotating shaft 13 axial locking and circumferencial direction can be rotated insert locate wheel seat 10 in, brake guide rod 3 can follow the gliding hollow rotating shaft 13 of inserting and locating wheel seat joint 11 of axial, front fork 12 upper end is installed on wheel seat 10, wheel 1 can be rotated install between two inserted sheets of front fork 12, brake block 2 can slide to set for installing on the 12 lateral walls of front fork of distance, the 2 other ends of brake block are formed with along the wall 14 that keeps off of 1 axial extension of wheel, should keep off between wall 14 stretches into two inserted sheets of front fork 12, 3 one end of brake guide rod tightly support on the 14 side surfaces of keeping off of the wall of the 2 other ends of brake block. This structure has realized wheel 1 around its shaft rotation, and wheel seat connects 11 can rotate around vertical axle on wheel seat 10, realizes that the perambulator turns to, and hollow rotating shaft 13 tip on the wheel seat connects 11 can set up the external screw thread, and spiro union nut realizes being connected with 10 axial locking of wheel seat on the external screw thread.
Be equipped with between two inserted sheets of front fork 12 and connect wall 15, be formed with in the connecting wall 15 and supply the fender wall 14 of brake block 2 to insert the passageway of establishing, still be equipped with the hole of dodging that communicates with wheel seat joint 11's hollow rotating shaft 13 on the lateral wall on connecting wall 15, brake guide arm 3 one end is tight to the fender wall 14 of the brake block 2 other end in this hole of dodging inserts the passageway of connecting wall 15. The structure can realize the positioning and guiding of one end of the brake guide rod 3 and the containing, limiting and guiding of the retaining wall 14 on the brake block 2.
The bottom surfaces of the slideways 16 on the two insertion sheet side walls of the front fork 12 are also provided with guide bulges 17, the side wall of the inverted U-shaped structure of the brake block 2 is also provided with a sliding groove extending along the sliding direction of the brake block, and the guide bulges 17 can be inserted into the sliding grooves in a relative sliding manner. The guide protrusion 17 is matched with the sliding groove to realize the guide and sliding distance limitation of the brake block 2.
The wheel seat joint 11 is provided with a round hole 18 and an arc-shaped hole 19 concentric with the round hole 18, the upper end of the front fork 12 is provided with two mounting holes right opposite to the round hole 18 and the arc-shaped hole 19, the two mounting holes at the upper end of the front fork 12 are connected with the round hole 18 and the arc-shaped hole 19 through connecting pieces, and a buffering elastic piece 4 is further arranged between the wheel seat joint 11 and the front fork 12. The structure can realize that the front fork 12 and the wheel seat joint 11 elastically rotate relatively within a certain range, realize the vibration buffering of the wheel 1 and improve the riding comfort of the baby.
Elastic piece inserting grooves 20 are formed in the wheel seat joint 11 and the front fork 12 respectively, and two ends of the buffering elastic piece 4 are tightly inserted into the elastic piece inserting grooves 20 respectively.
Claims (10)
1. The utility model provides a perambulator wheel brake actuating mechanism which characterized in that: comprises a wheel (1), a wheel bracket, a brake block (2), a brake guide rod (3), an elastic piece (4) and a switch (21), the wheel can be rotatably arranged on the wheel bracket, the wheel is coaxially and fixedly provided with a brake inner gear ring (5), the brake block can be arranged on the wheel bracket in a sliding way along the radial direction of the wheel, one end of the brake block is provided with a latch (6) extending along the axial direction of the wheel, the latch is inserted in the brake inner gear ring and can be engaged and clamped with the brake inner gear ring, the elastic piece provides elastic force for keeping the latch and the brake inner gear ring engaged and clamped with each other for the brake block, the brake guide rod can be slidably arranged on the wheel bracket, one end of the brake guide rod tightly abuts against the other end of the brake block, and the brake guide rod can press the brake block to overcome the elasticity of the elastic part to slide along the radial direction of the wheel by sliding, the switch is arranged on the wheel bracket, and the switch can drive the brake guide rod to slide in a reciprocating manner.
2. The stroller wheel brake mechanism of claim 1, wherein: the two wheel supports are arranged in parallel at intervals, two ends of the connecting rod are fixedly connected with the two wheel supports respectively, the switch is arranged on the connecting rod, and the switch can drive the brake guide rods on the two wheel supports to slide in a reciprocating mode.
3. The stroller wheel brake mechanism of claim 2, wherein: the connecting rod is the tubular structure, is equipped with on the wheel support and supplies the gliding slide of brake guide arm, and the slide cross intercommunication on the inboard and the wheel support of connecting rod can gliding in the connecting rod be equipped with two brake guide poles (8), and two brake guide poles pass through the inclined plane contact with the brake guide arm in the wheel support slide at connecting rod both ends respectively, and the synchronous reverse motion of two brake guide poles of switch drive on the connecting rod.
4. The stroller wheel brake mechanism of claim 3, wherein: the brake guide rod is characterized in that a long-strip-shaped groove structure (9) extending along the axial direction of the brake guide rod is arranged on the side wall of the brake guide rod, a radial protrusion structure is fixedly arranged on the side wall of the connecting rod, and the radial protrusion structure can be slidably inserted into the long-strip-shaped groove structure on the side wall of the brake guide rod.
5. The stroller wheel brake mechanism of claim 1, wherein: the wheel support includes wheel seat (10), wheel seat joint (11) and front fork (12), the wheel seat connects and is equipped with hollow rotating shaft (13), this hollow rotating shaft axial locking and circumferencial direction can the pivoted insert locate the wheel seat in, the brake guide arm can follow endwise slip insert locate the wheel seat connect in the hollow rotating shaft, the front fork upper end is installed on the wheel seat, the wheel can the pivoted install between two inserted sheets of front fork, the brake block can slide to set for installing on the front fork lateral wall of distance, the brake block other end is formed with along wheel axial extension keep off wall (14), should keep off between the wall stretches into two inserted sheets of front fork, brake guide arm one end tightly supports on the wall upside surface that keeps off of the brake block other end.
6. The stroller wheel brake mechanism of claim 5, wherein: be equipped with between two inserted sheets of front fork connecting wall (15), be formed with the fender wall that supplies the brake block in the connecting wall and insert the passageway of establishing, still be equipped with on the lateral wall on the connecting wall with the hollow rotating shaft intercommunication of wheel seat joint dodge the hole, brake guide arm one end is tight the fender wall of supporting the brake block other end in this dodge hole inserts the passageway of connecting wall.
7. The stroller wheel brake mechanism of claim 5, wherein: the brake block is the structure of falling the U-shaped, and the connecting wall is the bottom surface of the structure of falling the U-shaped, latch fixed mounting on the structure of falling the U-shaped open end both sides wall, is formed with gliding slide (16) of confession brake block structure both sides wall on the two inserted sheet lateral walls of front fork.
8. The stroller wheel brake mechanism of claim 7, wherein: the bottom surface of the slide way of the two insertion piece side walls of the front fork is also provided with a guide bulge (17), the side wall of the inverted U-shaped structure of the brake block is also provided with a slide groove extending along the sliding direction of the brake block, and the guide bulge can be inserted into the slide groove in a relative sliding manner.
9. The stroller wheel brake mechanism of claim 5, wherein: the wheel seat joint is provided with a round hole (18) and an arc-shaped hole (19) concentric with the round hole, the upper end of the front fork is provided with two mounting holes right opposite to the round hole and the arc-shaped hole, the two mounting holes at the upper end of the front fork are connected with the round hole and the arc-shaped hole through connecting pieces, and a buffering elastic piece is further arranged between the wheel seat joint and the front fork.
10. The stroller wheel brake mechanism of claim 9, wherein: elastic piece inserting grooves (20) are formed in the wheel seat joint and the front fork respectively, and two ends of the buffering elastic piece are tightly inserted into the elastic piece inserting grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699254.4U CN212354113U (en) | 2020-08-15 | 2020-08-15 | Wheel brake mechanism of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699254.4U CN212354113U (en) | 2020-08-15 | 2020-08-15 | Wheel brake mechanism of baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212354113U true CN212354113U (en) | 2021-01-15 |
Family
ID=74132507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021699254.4U Active CN212354113U (en) | 2020-08-15 | 2020-08-15 | Wheel brake mechanism of baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212354113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824236A (en) * | 2020-08-15 | 2020-10-27 | 昆山市贝尔儿童用品有限公司 | Wheel brake mechanism of baby carriage |
-
2020
- 2020-08-15 CN CN202021699254.4U patent/CN212354113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824236A (en) * | 2020-08-15 | 2020-10-27 | 昆山市贝尔儿童用品有限公司 | Wheel brake mechanism of baby carriage |
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