CN203544091U - Trolley braking structure - Google Patents
Trolley braking structure Download PDFInfo
- Publication number
- CN203544091U CN203544091U CN201320736189.1U CN201320736189U CN203544091U CN 203544091 U CN203544091 U CN 203544091U CN 201320736189 U CN201320736189 U CN 201320736189U CN 203544091 U CN203544091 U CN 203544091U
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- China
- Prior art keywords
- rod
- hand barrow
- vehicle frame
- braking
- slipper
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- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a trolley braking structure which comprises a wheel, a trolley frame, a clutch mechanism and a handle. The trolley braking structure is characterized in that the clutch mechanism comprises a shell body, a pressing spring, a braking rod and a braking block. The braking rod and the pressing spring are arranged in the shell body. The pressing spring is arranged on the braking rod in a sleeved mode. The lower end of the braking rod is connected with the braking block. A braking gear is fixedly arranged on one side, connected with the clutch mechanism, of the wheel. The braking block is clamped in the braking gear. The handle comprises a pushing rod which is in riveting connection with the upper end of the trolley frame. The pushing rod can rotate front and back around a supporting point. The lower end of the trolley frame is connected with a shell body of the clutch mechanism. A clutch wire inserting groove is formed in the pushing rod. One end of a clutch wire is connected into the pushing rod from the inserting groove, and the other end of the clutch wire penetrates into the trolley frame, penetrates out of the lower end of the trolley frame and is connected to the top end of the braking rod of the clutch mechanism. A trolley can be stopped automatically in a braking mode especially on a slope, an accident caused by the fact that the trolley is separated from hands is avoided, and accordingly the safety of the trolley is improved.
Description
Technical field
The utility model relates to hand barrow field, relates in particular to a kind of brake structure of hand barrow.
Background technology
Existing hand barrow, especially baby stroller for ensuring safety, are installed braking safe lockwheel device on rear wheel, when hand barrow is stopped, especially, on Po road, lockwheel device is buckled, hand barrow just can not move, and avoids hand barrow to slip with slope downwards, ensures children and pedestrian's safety.
Use above-mentioned hand barrow, general people need to berth after car, reach wheel position with hand, brake lock wheel apparatus is buckled, or detained on the upper brake lock wheel apparatus that tramps with one's feet.But due to misoperation, do not having enough time to lock brake lock wheel apparatus, hand barrow is deviate from from hand, will cause great potential safety hazard.Therefore, need one can safety performance high, simple in structure, and realize the hand barrow of autonomous brake function.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of hand barrow brake structure, and it is simple in structure, and safety performance is high, can realize automatic brake and stop.
The technical solution of the utility model is as follows:
A kind of hand barrow brake structure, comprises wheel, vehicle frame, engaging and disengaging gear, handgrip,
Described engaging and disengaging gear comprises housing, stage clip, brake rod, slipper, and described brake rod, stage clip are arranged in housing, and compression spring sleeve is on brake rod, and brake rod lower end is connected with slipper,
Described wheel is connected a side fixed installation spragging gear with engaging and disengaging gear, described slipper is stuck in spragging gear,
Described handgrip comprises push rod, push rod and the riveted joint of described vehicle frame upper end, push rod can rotate before and after fulcrum, described vehicle frame lower end is connected with the housing of described engaging and disengaging gear, clutch line slot is set in described push rod, and clutch line one end is in slot access push rod, and the other end penetrates in vehicle frame, from vehicle frame lower end, pass, be connected to the brake rod top of engaging and disengaging gear.
Described hand barrow brake structure, wherein, described engaging and disengaging gear housing arranges loose slot, and described slipper passes in loose slot, and slides up and down along loose slot, and described slipper top is not less than inside pitch line length to the distance on loose slot top.
Described hand barrow brake structure, wherein, arranges the back pressure space of accommodating stage clip in described housing, the freedom that the height in described back pressure space is less than stage clip is high, and the minimal compression that is greater than stage clip is high.
Described hand barrow brake structure, wherein, the freely high of the compression of stage clip is greater than the distance of slipper top to loose slot top with the difference of minimal compression height.
Described hand barrow brake structure, wherein, described loose slot below arranges axis hole, described axis hole installation car wheel shaft, described axletree is installed spragging gear and wheel successively.
Described hand barrow brake structure, wherein, described clutch line arranges regulating control, and regulating control tightens up clutch line.
Described hand barrow brake structure, wherein, described vehicle frame sidewall arranges clutch line adjustment hole.
Described hand barrow brake structure, wherein, handgrip mount pad is installed on described vehicle frame top, and the space that holds handgrip rotation is set in described mount pad, and handgrip is riveted on mount pad.
Described hand barrow brake structure, wherein, described push rod is connected one end with vehicle frame, along hand of rotation, wire casing is set.
A kind of hand barrow brake structure that the utility model provides, when static, the pressure-acting that stage clip produces, in brake rod and slipper, makes slipper slide to the bottom of loose slot, and the end of slipper card is stuck in the internal tooth of spragging gear, and wheel can not be rotated.When go-cart is advanced or retreats, handgrip drives push rod to rotate around fulcrum forward or backward, the clutch line being arranged in slot also rotates forward or backward, clutch line is improved by push rod, be connected brake rod with clutch line end and be also raised and push stage clip, brake rod drives slipper to rise along loose slot, and deviates from spragging gear, now, the wheel not pining down just can move forward or backward.This utility model is simple in structure, when go-cart, utilize hand to act on the power on handgrip, drive clutch line to remove stopping of go-cart and stop state, when hand leaves handgrip, when not having masterpiece to be used on handgrip, go-cart just automatic brake stops, especially on Po road, avoid go-cart from hand, to deviate from and the accident that causes, thereby improve the safety performance of hand barrow.
Accompanying drawing explanation
Fig. 1 is the structural representation of hand barrow in the utility model
Fig. 2 is the structural representation of wheel and engaging and disengaging gear in the utility model
Fig. 3 is another example structure schematic diagram of wheel and engaging and disengaging gear in the utility model
Fig. 4 is the structural representation of engaging and disengaging gear in the utility model
Fig. 5 is the structural representation of vehicle frame in the utility model
Fig. 6 is the structural representation of handgrip in the utility model
The specific embodiment
The utility model provides a kind of hand barrow brake structure, for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, below the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, Fig. 2 the utility model provides a kind of hand barrow brake structure, comprise wheel 1, engaging and disengaging gear 2, vehicle frame 3, handgrip 4, described engaging and disengaging gear comprises housing 21, stage clip 22, brake rod 23, slipper 24, described brake rod 23, stage clip 22 is arranged in housing 21, stage clip 22 is enclosed within on brake rod 23, brake rod 23 lower ends are connected with slipper 24, described wheel 1 is connected a side fixed installation spragging gear 12 with engaging and disengaging gear 2, described slipper is stuck in spragging gear 12, described handgrip 4 comprises push rod 41, push rod 41 and described vehicle frame 3 upper end riveted joints, push rod 41 can rotate before and after fulcrum, described vehicle frame 3 lower ends are connected with the housing 21 of described engaging and disengaging gear 2, interior clutch line 5 slots 42 that arrange of described push rod 41, clutch line 5 one end are accessed in push rod 41 from slot 42, the other end penetrates in vehicle frame 3, from vehicle frame 3 lower ends, pass, be connected to brake rod 23 tops of engaging and disengaging gear 2.
Described engaging and disengaging gear housing 21 arranges loose slot 25, and described slipper 24 passes in loose slot 25, and slides up and down along loose slot 25, and described slipper 24 tops are not less than spragging gear 12 inside pitch line lengths to the distance on loose slot 25 tops.
The interior back pressure space 27 that accommodating stage clip 22 is set of described housing 21, the freedom that the height in described back pressure space 27 is less than stage clip 22 is high, and the minimal compression that is greater than stage clip 22 is high.The freely high of the compression of stage clip 22 is greater than the distance of slipper 24 tops to loose slot 25 tops with the difference of minimal compression height.
Described loose slot 25 belows arrange axis hole 26, described axis hole 26 installation car wheel shafts 13, and described axletree 13 is installed spragging gear 12 and wheel 1 successively.
Described vehicle frame sidewall arranges clutch line adjustment hole 31.Clutch line 5 arranges regulating control 6, and regulating control 6 tightens up clutch line 5.
Handgrip mount pad 42 is installed on described vehicle frame 3 tops, the interior space that holds handgrip rotation that arranges of described mount pad 42, and handgrip is riveted on mount pad 42.Described push rod 41 is connected one end with vehicle frame 3, along hand of rotation, wire casing 43 is set.
A kind of hand barrow brake structure that the utility model provides, when static, the pressure-acting that stage clip 22 produces, in brake rod 23 and slipper 24, makes slipper 23 slide to the bottom of loose slot 25, and the end that slipper 24 blocks is stuck in the internal tooth of spragging gear 12, wheel 1 can not be rotated.When go-cart is advanced or retreats, handgrip 4 drives push rod 41 to rotate around fulcrum forward or backward, the clutch line 5 being arranged in slot 42 also rotates forward or backward, clutch line 5 is improved by push rod 41, be connected brake rod 23 with clutch line 5 ends and be also raised and push stage clip 22, brake rod 23 drives slipper 24 to rise along loose slot 25, and deviates from spragging gear 12, now, the wheel 1 not pining down just can move forward or backward.This utility model is simple in structure, when go-cart, utilize hand to act on the power on handgrip 4, drive clutch line 5 to remove stopping of go-cart and stop state, when hand leaves handgrip 4, when not having masterpiece to be used on handgrip 4, go-cart just automatic brake stops, especially on Po road, avoid go-cart from hand, to deviate from and the accident that causes, thereby improve the safety performance of hand barrow.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (9)
1. a hand barrow brake structure, comprises wheel, vehicle frame, engaging and disengaging gear, handgrip, it is characterized in that, described engaging and disengaging gear comprises housing, stage clip, brake rod, slipper, and described brake rod, stage clip are arranged in housing, and compression spring sleeve is on brake rod, brake rod lower end is connected with slipper
Described wheel is connected a side fixed installation spragging gear with engaging and disengaging gear, described slipper is stuck in spragging gear,
Described handgrip comprises push rod, push rod and the riveted joint of described vehicle frame upper end, push rod can rotate before and after fulcrum, described vehicle frame lower end is connected with the housing of described engaging and disengaging gear, clutch line slot is set in described push rod, and clutch line one end is in slot access push rod, and the other end penetrates in vehicle frame, from vehicle frame lower end, pass, be connected to the brake rod top of engaging and disengaging gear.
2. hand barrow brake structure according to claim 1, it is characterized in that, described engaging and disengaging gear housing arranges loose slot, and described slipper passes in loose slot, and slide up and down along loose slot, described slipper top is not less than inside pitch line length to the distance on loose slot top.
3. hand barrow brake structure according to claim 2, is characterized in that, the back pressure space of accommodating stage clip is set in described housing, and the freedom that the height in described back pressure space is less than stage clip is high, and the minimal compression that is greater than stage clip is high.
4. hand barrow brake structure according to claim 3, is characterized in that, the freely high of the compression of stage clip is greater than the distance of slipper top to loose slot top with the difference of minimal compression height.
5. hand barrow brake structure according to claim 1, is characterized in that, described loose slot below arranges axis hole, described axis hole installation car wheel shaft, and described axletree is installed spragging gear and wheel successively.
6. hand barrow brake structure according to claim 1, is characterized in that, described clutch line arranges regulating control, and regulating control tightens up clutch line.
7. hand barrow brake structure according to claim 1, is characterized in that, described vehicle frame sidewall arranges clutch line adjustment hole.
8. hand barrow brake structure according to claim 1, is characterized in that, handgrip mount pad is installed on described vehicle frame top, and the space that holds handgrip rotation is set in described mount pad, and handgrip is riveted on mount pad.
9. hand barrow brake structure according to claim 1, is characterized in that, described push rod is connected one end with vehicle frame, along hand of rotation, wire casing is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736189.1U CN203544091U (en) | 2013-11-19 | 2013-11-19 | Trolley braking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736189.1U CN203544091U (en) | 2013-11-19 | 2013-11-19 | Trolley braking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203544091U true CN203544091U (en) | 2014-04-16 |
Family
ID=50462247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736189.1U Expired - Fee Related CN203544091U (en) | 2013-11-19 | 2013-11-19 | Trolley braking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203544091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355469A (en) * | 2017-08-03 | 2017-11-17 | 扬州迈上塑业有限公司 | A kind of shock-absorption guide wheel |
-
2013
- 2013-11-19 CN CN201320736189.1U patent/CN203544091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355469A (en) * | 2017-08-03 | 2017-11-17 | 扬州迈上塑业有限公司 | A kind of shock-absorption guide wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190418 Address after: 523000 Shop A-27(2) of Runmin Market Area A, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Dongguan Zhongweixin Science and Technology Co., Ltd. Address before: 523000 No. 2, No. 1 Lane, Heng Sanjie, Liyuan, Cutou, Dongguan City, Guangdong Province Patentee before: Li Bingli |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20201119 |