CN202557686U - Locking device, tricycle head reversing mechanism, tricycle with preposed child seat, and tricycle front frame using the locking device - Google Patents
Locking device, tricycle head reversing mechanism, tricycle with preposed child seat, and tricycle front frame using the locking device Download PDFInfo
- Publication number
- CN202557686U CN202557686U CN2012200999144U CN201220099914U CN202557686U CN 202557686 U CN202557686 U CN 202557686U CN 2012200999144 U CN2012200999144 U CN 2012200999144U CN 201220099914 U CN201220099914 U CN 201220099914U CN 202557686 U CN202557686 U CN 202557686U
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- vehicle frame
- tricycle
- front vehicle
- blocking device
- slide block
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Abstract
The utility model relates to a locking device, a tricycle head reversing mechanism, a tricycle with a preposed child seat, and a tricycle front frame using the locking device. The locking device comprises a hollow sleeve, a stopper arranged on one end surface of the hollow sleeve, a through hole with a diameter smaller than an internal diameter of the hollow sleeve and formed in the center of the stopper; a slide rod arranged in the hollow sleeve, wherein one end of the slide rod passes through the through hole to connect with a shield cover, the other end of the slide rod is provided with a slider with a diameter larger than that of the slide rod, and a spring is supported between the slider and the stopper; the locking device is respectively applied in the tricycle head reversing mechanism, the tricycle with the preposed child seat, and the tricycle front frame. Locking and unlocking are realized only by easily controlling the telescoping of the slide rod. The tricycle is locked and firmly fixed and does not easily loose, and the safety performance of the tricycle is effectively improved. The utility model has features of low cost, good locking effect, repeated use, high safety performance and valuable popularization.
Description
Technical field
The utility model relates to a kind of mechanical locking and in the application in bicycle field.
Background technology
Bicycle is kinds two to take turns or the small-sized land-going machine of three-wheel, claims bicycle or bicycle again, and it is one of manual machine the most successful on the human invention history, and its application has improved people's mode of transportation greatly.Along with the progress of development of science and technology with society, the kind of bicycle is more and more, and function is also more and more perfect, not only becomes the walking-replacing tool that people like, also becomes many people's body-building apparatus.At present on the market the limitation locking of bicycle assembly parts is mainly tightened through bolt, be prone to after period of service is long loosening, and,,, dangerous during use with there being very big potential safety hazard if forget and tighten.Announced a kind of tricycle headstock direction reverser in the Chinese patent 201120202934.5, held out against fixingly between its middle sleeve and the front vehicle frame pipe through top bolt that be prone to looseningly, result of use is bad; Announced a kind of tricycle of preposition child seat in the Chinese patent 201120202919.0; Seat support wherein and front vehicle frame pipe are also tightened fixing through dowel bolt; Dowel bolt is loosening easily during use, and it is effectively fixing that seat support can not get, and uses dangerous; Announced a kind of tricycle front vehicle frame in the Chinese patent 201120202917.1; Wherein vertical tube is coupling in bearing seat; Can be convenient to people's swing handle control bicycle running direction like this; Infinite place anchor fitting between vertical tube and the bearing seat, direction is unfixing when go-cart, uses inconvenient.Therefore be badly in need of occurring a kind of being convenient to rotating or the locked fixing blocking device of slide mechanism.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, and providing a kind of can satisfy people's demand effectively with rotating or the locked fixing blocking device of slide mechanism.
The utility model solves the technical scheme that its technical matters adopts: this blocking device, comprise hollow sleeve, and hollow sleeve one end face is provided with block, and the block center has the through hole of diameter less than the hollow sleeve internal diameter; Be provided with slide bar in the hollow sleeve, slide bar one end passes through hole and is connected with door, and the slide bar other end is provided with the slide block of diameter greater than the slide bar diameter, is supported with spring between slide block and the block.Like this, slide bar is active in the hollow sleeve, because the slide block diameter is greater than slide bar; Spring is supported between slide block and the block, and during use, slide block forms the power that holds out against under the bearing force effect of spring; When slide block runs into spacing hole, just take advantage of a situation to be plugged to and form locking in the spacing hole; Because spring has lasting supporting role to slide block, so the slide block locking is difficult to become flexible, and uses more safe and reliable.When needs cancellation locking, only need manually draw and open slide bar, make slide block withdraw from corresponding spacing hole and get final product, easy and simple to handle, safe in utilization.
Further, slide block one end is provided with the pin of diameter less than the slide block diameter.Like this; Be convenient to install, safeguard, dismantle; The pin diameter makes the end be the convex structure less than slide block, and the table top place of convex structure is blocked in outside the spacing hole, even if because of carelessness door is dropped in the operation engineering or lose slide block, slide bar is fallen in spacing hole by the spring bullet.
Further, slide bar is provided with position-limited lever, and the block end face is provided with and the position-limited lever corresponding groove.Groove comprises deep trouth, shallow slot, and deep trouth, shallow slot all are connected with through hole.Like this; Because the spring quilt is in being supported between slide block and the block; Slide block will continue to receive spring institute roof pressure, and position-limited lever is stuck in and can effectively limits slide bar in the shallow slot and outwards slide because of receiving spring institute roof pressure, make under not needing spacing situation, to stop slide block to be plugged in the spacing hole; And need carry out spacing the time, only need position-limited lever is stuck in and get final product in the deep trouth, at this moment, slide block is plugged in the spacing hole under the spring supporting role, plays effective position-limiting action.
A kind of fixing tricycle headstock direction reverser of above-mentioned blocking device that adopts; Comprise front vehicle frame, back vehicle frame, the front vehicle frame middle part is provided with the front vehicle frame pipe, and back vehicle frame is through on this front vehicle frame pipe of sleeve pipe socket; Sleeve pipe and front vehicle frame pipe are rotating; Have one group of spacing hole on the front vehicle frame pipe, be fixed with above-mentioned blocking device on the sleeve pipe, slide block on the blocking device and spacing hole peg graft and mate.Like this, during use, slide block continues to be plugged in the spacing hole under the supporting role of spring, makes relative fixed between sleeve pipe and the front vehicle frame pipe, stops potential safety hazard; Need carry out headstock when switching-over, draw and open door and make slide block withdraw from spacing hole can to commutate, easy to use.
A kind of tricycle that adopts the fixing preposition child seat of above-mentioned blocking device; Comprise front vehicle frame, the front vehicle frame middle part is provided with the front vehicle frame pipe, and the front vehicle frame pipe is provided with seat support; This seat support is socketed on the front vehicle frame pipe through sheath body; Have one group of spacing hole on the front vehicle frame pipe, also be provided with above-mentioned blocking device on the sheath body, slide block on the blocking device and spacing hole peg graft and mate.Like this, during use, slide block continues to be plugged in the spacing hole under the supporting role of spring, makes relative fixed between sleeve pipe and the front vehicle frame pipe, stops potential safety hazard; When needing the rotating seat support, draw and open door and make slide block withdraw from spacing hole can to carry out, easy to use.
A kind of fixing tricycle front vehicle frame of above-mentioned blocking device that adopts comprises the vertical tube frame, and vertical tube frame two ends are respectively equipped with bearing seat; Be connected with vertical tube on the bearing seat; Riser upper end is provided with handlebar, and the lower end is provided with wheel, and the vertical tube middle part is provided with one group of spacing hole; Bearing seat is provided with above-mentioned blocking device, and slide block on the blocking device and spacing hole peg graft and mate.Like this, spacing fixedly the time at needs, slide block continues to be plugged in the spacing hole under the supporting role of spring, makes relative fixed between vertical tube and the bearing seat; If when need vertical tube be kept rotating flexibly, draw and open door the position-limited lever on the slide bar is stuck in the shallow slot, at this moment slide block is just withdrawed from spacing hole, unlocks, and is easy to use.
The effect that the utility model is useful is: the utility model rational in infrastructure, compact; Rational Match setting through each parts such as hollow sleeve, block, through hole, slide bar, door, slide block and springs; Make people easily control locking, release when slide bar is flexible just can be realized using; Locking back fixation is difficult for becoming flexible, and safety performance is high; Make the not limited blocking device locking of application apparatus after the release, activity freely, and is very convenient.Can solve effectively when blocking device is applied to tricycle headstock direction reverser that sleeve pipe and front vehicle frame pipe are fixing to be prone to loosening problem, can obtain the fixing of effective and safe after making the direction reverser switching-over, improve the safety performance of this car greatly; The effective seat support of fixing child seat when blocking device is applied to the tricycle of preposition child seat avoids the use of and occurs in the process that seat support is loosening to be fallen, and the failure-free safety control is arranged when using; Can carry out effectively spacing fixing to bearing seat and vertical tube as required when blocking device is applied to the tricycle front vehicle frame, make the locking of go-cart direction be convenient to operation.The utility model cost is low, and locking effect is good, and is reusable, and safety performance is high, is worthy to be popularized.
Description of drawings
Structural representation when Fig. 1 analyses and observe for the utility model;
Structural representation when Fig. 2 analyses and observe for the utility model;
Structural representation when Fig. 3 analyses and observe for the utility model;
Fig. 4 is the perspective view of hollow sleeve in the utility model;
Structural representation when Fig. 5 analyses and observe for the utility model is applied to tricycle headstock direction reverser;
Structural representation when Fig. 6 analyses and observe for the utility model is applied to tricycle headstock direction reverser;
Structural representation when Fig. 7 is applied to tricycle for the utility model;
Structural representation when Fig. 8 is applied to tricycle for the utility model.
Description of reference numerals: hollow sleeve 1, block 2, through hole 3, slide bar 4, door 5, slide block 6; Spring 7, pin 8, position-limited lever 9, groove 10, deep trouth 11, shallow slot 12; Front vehicle frame 13, back vehicle frame 14, front vehicle frame pipe 15, sleeve pipe 16, spacing hole 17, seat support 18; Sheath body 19, bearing seat 20, vertical tube 21, handlebar 22, wheel 23.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
With reference to accompanying drawing: this blocking device in the present embodiment, comprise hollow sleeve 1, hollow sleeve 1 one end faces are provided with block 2, and said block 2 centers have the through hole 3 of diameter less than hollow sleeve 1 internal diameter; Be provided with slide bar 4 in the said hollow sleeve 1, said slide bar 4 one ends pass through hole 3 and are connected with door 5, and said slide bar 4 other ends are provided with the slide block 6 of diameter greater than slide bar 4 diameters, are supported with spring 7 between said slide block 6 and the block 2.Slide block 6 one ends are provided with the pin 8 of diameter less than slide block 6 diameters.Slide bar 4 is provided with position-limited lever 9, and said block 2 end faces are provided with and position-limited lever 9 corresponding groove 10.Groove 10 comprises deep trouth 11, shallow slot 12, and said deep trouth 11, shallow slot 12 all are connected with through hole 3.
A kind of fixing tricycle headstock direction reverser of above-mentioned blocking device that adopts; Front vehicle frame 13, back vehicle frame 14, said front vehicle frame 13 middle parts are provided with front vehicle frame pipe 15, and said back vehicle frame 14 is through on this front vehicle frame pipe 15 of sleeve pipe 16 sockets; Said sleeve pipe 16 is rotating with front vehicle frame pipe 15; Have one group of spacing hole 17 on the said front vehicle frame pipe 15, be fixed with above-mentioned blocking device on the said sleeve pipe 16, the slide block 6 on the said blocking device is pegged graft with spacing hole 17 and is mated.During use, 1 usefulness of the hollow sleeve on the blocking device is spirally connected, welds or method such as grafting is fixed to and makes slide block 6 corresponding with the spacing hole on the front vehicle frame pipe 15 on the sleeve pipe 16, rotate front vehicle frame pipe 15 or back vehicle frame 14 makes the bicycle headstock switching-over; Accomplish switching-over rear slider 6 autopatching under the supporting role of spring 7 and enter spacing hole; Automatically lock thereby accomplish, after the locking, because 7 pairs of slide blocks 6 of spring have lasting support; Slide block 6 can not become flexible and withdraw from; Have only the people to draw the door 5 that opens operation slide bar 4 ends could releases, safe and reliable, promoted the safety performance of car load greatly.
A kind of tricycle that adopts the fixing preposition child seat of above-mentioned blocking device; Front vehicle frame 13, said front vehicle frame 13 middle parts are provided with front vehicle frame pipe 15, and said front vehicle frame pipe 15 is provided with seat support 18; This seat support 18 is socketed on the front vehicle frame pipe 15 through sheath body 19; Have one group of spacing hole on the said front vehicle frame pipe 15, also be provided with above-mentioned blocking device on the said sheath body 19, the slide block 6 on the said blocking device is pegged graft with spacing hole and is mated.During use, 1 usefulness of the hollow sleeve on the blocking device is spirally connected, welds or method such as grafting is fixed to corresponding the getting final product of spacing hole that makes on the sheath body 19 on slide block 6 and the front vehicle frame pipe 15.
A kind of fixing tricycle front vehicle frame of above-mentioned blocking device that adopts, front vehicle frame pipe 25, said front vehicle frame pipe 15 two ends are respectively equipped with bearing seat 20; Be connected with vertical tube 21 on the said bearing seat 20; Said vertical tube 21 upper ends are provided with handlebar 22, and the lower end is provided with wheel 23, and said vertical tube 21 middle parts are provided with one group of spacing hole; Said bearing seat 20 is provided with above-mentioned blocking device, and the slide block 6 on the said blocking device is pegged graft with spacing hole and mated.During use, 1 usefulness of the hollow sleeve on the blocking device is spirally connected, welds or method such as grafting is fixed to bearing seat 20 and makes corresponding the getting final product of spacing hole on slide block 6 and the vertical tube 21.When go-cart, need restriction fixedly during the direction of car, operate door 5 and make slide block 6 under the supporting role of spring 7, continue to be plugged in the spacing hole, make relative fixed between vertical tube 21 and the bearing seat 20, use safer; If need take when going, draw and open door 5 position-limited lever 9 on the slide bar 4 is stuck in the shallow slot 12, at this moment slide block 6 is just withdrawed from spacing hole, removes the locking between vertical tube 21 and the bearing seat 20, and is easy to use.
Though the utility model is through illustrating and describe with reference to preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (7)
1. a blocking device comprises hollow sleeve (1), it is characterized in that: said hollow sleeve (1) one end face is provided with block (2), and said block (2) center has the through hole (3) of diameter less than hollow sleeve (1) internal diameter; Be provided with slide bar (4) in the said hollow sleeve (1); Said slide bar (4) one ends pass through hole (3) and are connected with door (5); Said slide bar (4) other end is provided with the slide block (6) of diameter greater than slide bar (4) diameter, is supported with spring (7) between said slide block (6) and the block (2).
2. blocking device according to claim 1 is characterized in that: said slide block (6) one ends are provided with the pin (8) of diameter less than slide block (6) diameter.
3. blocking device according to claim 1 is characterized in that: said slide bar (4) is provided with position-limited lever (9), and said block (2) end face is provided with and position-limited lever (9) corresponding groove (10).
4. blocking device according to claim 3 is characterized in that: said groove (10) comprises deep trouth (11), shallow slot (12), and said deep trouth (11), shallow slot (12) all are connected with through hole (3).
5. tricycle headstock direction reverser that the blocking device that adopts one of claim 1～4 is fixing; It is characterized in that: comprise front vehicle frame (13), back vehicle frame (14); Said front vehicle frame (13) middle part is provided with front vehicle frame pipe (15); Said back vehicle frame (14) is through on this front vehicle frame pipe (15) of sleeve pipe (16) socket, and said sleeve pipe (16) is rotating with front vehicle frame pipe (15), has one group of spacing hole (17) on the said front vehicle frame pipe (15); Said sleeve pipe is fixed with above-mentioned blocking device on (16), and the slide block on the said blocking device (6) is pegged graft with spacing hole (17) and mated.
6. the tricycle of the fixing preposition child seat of a blocking device that adopts one of claim 1～4; It is characterized in that: comprise front vehicle frame (13); Said front vehicle frame (13) middle part is provided with front vehicle frame pipe (15); Said front vehicle frame pipe (15) is provided with seat support (18), and this seat support (18) is socketed on the front vehicle frame pipe (15) through sheath body (19), has one group of spacing hole on the said front vehicle frame pipe (15); Said sheath body also is provided with above-mentioned blocking device on (19), and the slide block on the said blocking device (6) is pegged graft with spacing hole and mated.
7. tricycle front vehicle frame that the blocking device that adopts one of claim 1～4 is fixing; It is characterized in that: comprise front vehicle frame pipe (25); Said front vehicle frame pipe (15) two ends are respectively equipped with bearing seat (20), are connected with vertical tube (21) on the said bearing seat (20), and said vertical tube (21) upper end is provided with handlebar (22); The lower end is provided with wheel (23); Said vertical tube (21) middle part is provided with one group of spacing hole, and said bearing seat (20) is provided with above-mentioned blocking device, and the slide block on the said blocking device (6) is pegged graft with spacing hole and mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200999144U CN202557686U (en) | 2012-03-16 | 2012-03-16 | Locking device, tricycle head reversing mechanism, tricycle with preposed child seat, and tricycle front frame using the locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200999144U CN202557686U (en) | 2012-03-16 | 2012-03-16 | Locking device, tricycle head reversing mechanism, tricycle with preposed child seat, and tricycle front frame using the locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202557686U true CN202557686U (en) | 2012-11-28 |
Family
ID=47207375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200999144U Expired - Fee Related CN202557686U (en) | 2012-03-16 | 2012-03-16 | Locking device, tricycle head reversing mechanism, tricycle with preposed child seat, and tricycle front frame using the locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202557686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078710A (en) * | 2020-08-24 | 2020-12-15 | 拓肯兴业股份有限公司 | Steering head bowl group |
-
2012
- 2012-03-16 CN CN2012200999144U patent/CN202557686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078710A (en) * | 2020-08-24 | 2020-12-15 | 拓肯兴业股份有限公司 | Steering head bowl group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20140316 |