CN103332251A - Ratchet lifting device - Google Patents
Ratchet lifting device Download PDFInfo
- Publication number
- CN103332251A CN103332251A CN2013102289859A CN201310228985A CN103332251A CN 103332251 A CN103332251 A CN 103332251A CN 2013102289859 A CN2013102289859 A CN 2013102289859A CN 201310228985 A CN201310228985 A CN 201310228985A CN 103332251 A CN103332251 A CN 103332251A
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- housing
- arch
- guide groove
- along
- arch holder
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Abstract
A ratchet lifting device comprises a housing and an arch-shaped clamping seat matched with the housing, wherein guide grooves are formed in two vertical sides of the surface of the housing; a horizontal sliding chute is formed in each guide groove; a hollow accommodating chamber is arranged in the housing; a tooth block is accommodated in the hollow accommodating cavity; wing surfaces of the two wings of the arch-shaped clamping seat are matched with the guide grooves, and slide along the guide grooves; ladder-shaped locating slots are formed in the wing surfaces of the two wings of the arch-shaped clamping seat; a positioning shaft arranged on the tooth block penetrates the horizontal sliding chutes and is positioned on the ladder-shaped locating slots; blind position holes are formed in the upper ends of the ladder-shaped locating slots; the tooth block totally protrudes the hollow accommodating chamber along the horizontal sliding chutes; the positioning shaft is corresponding to the blind position holes in position; when the arch-shaped clamping seat is lifted up along the guide grooves, the positioning shaft is separated from the blind position holes to enable the tooth block retracts along the horizontal sliding chutes. The ratchet lifting device provided by the invention has a scientific structure, is unique in design, strong in safety, practical and reliable, and can be used as a practical equipment in the manufacturing process of folding bicycles and folding electric vehicles.
Description
Technical field
The present invention relates to the bicycle part field, relate in particular to the supplementary structure of folding bicycle or electric motor bicycle with folding saddle bracing frame.
Background technology
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Chinese patent ZL201010504401.2 discloses a kind of bicycle saddle elevation and subsidence regulating device, comprise the bicycle saddle bracing frame, described bicycle saddle bracing frame is provided with a chute, one bicycle saddle fixedly tenon and chute bearing fit are arranged, a side is provided with the tooth rank in the described chute, described saddle fixation tenon is provided with a movable rotor, and described movable rotor is provided with an one way engagement sprocket and cooperates with the tooth rank.When bicycle saddle when fixedly tenon moves to certain position downwards in chute, the one way engagement sprocket on the movable rotor is placed and tooth rank position engaged, thus the fixing tenon of fixed saddle, when preventing cycling, saddle is to sinking; When needs are regulated the upper-lower position of saddle fixation tenon, the one way engagement sprocket of movable rotor is placed the position of separating with the tooth rank, twitch the saddle fixation tenon up and down and arrive behind the correct position releasing activity rotor again, make one way engagement sprocket and tooth rank mesh and the saddle fixation tenon is fixed, thereby realize the lifting of bicycle saddle; This patent is not good enough because of the structural stability that control saddle fixation tenon moves in chute, vibrations when cause is ridden, sometimes making fixedly, tenon takes off the tooth downslide, saddle is also taken advantage of a situation folding along the downslide of saddle bracing frame like this, thereby for the use of folded bicycle has brought potential safety hazard, thereby be necessary to be improved on this basis.
Summary of the invention
The purpose of this invention is to provide a kind of for the constitutionally stable ratchet jacking system of saddle height of living in, sound attitude of adjusting folded bicycle.
Technical scheme of the present invention is achieved in that
A kind of ratchet jacking system is provided, it is characterized in that: it comprises a housing and an arch holder that cooperates with described housing, the vertical both sides of described surface of shell are provided with guide groove, described guide groove is provided with horizontal concrete chute, be provided with a hollow reservoir in the described housing, be equipped with a tooth piece in the described hollow reservoir; The aerofoil of described arch holder both wings cooperates with guide groove and slides along guide groove, and the aerofoil of described arch holder both wings is provided with a trapezoidal positioning groove; The fix shaft that arranges on the described tooth piece passes described horizontal concrete chute and places on the described trapezoidal positioning groove, and the upper end of described trapezoidal positioning groove is provided with hole, blind position; When described tooth piece stretches out in along horizontal concrete chute from described hollow reservoir fully, described fix shaft is corresponding to the position in hole, described blind position, when described arch holder was upwards mentioned along described guide groove, described fix shaft broke away from described blind hole, position and makes described tooth piece withdraw along horizontal concrete chute.
Aforesaid a kind of ratchet jacking system, it is characterized in that: described housing is provided with a screw, described arch holder is provided with slotted hole, described slotted hole is aperture by an end for the macropore other end, described macropore is communicated with composition with the aperture flute profile, the screw rod of one cover upper spring passes described macropore and is connected with screw on the described housing and fixes, and an end of described spring holds the nut head that described arch holder, the other end hold described screw rod; And constitute a kind of elastic reset structure.
Aforesaid a kind of ratchet jacking system is characterized in that: the button rope that draws that aperture one side and an end of described slotted hole is provided with bulb cooperates.
Aforesaid a kind of ratchet jacking system is characterized in that: the described button rope other end that draws arranges another bulb.With peripheral hardware of the present invention but draw the button that draws that arranges on the buckle device to be connected with the saddle lifting that the present invention cooperates, see also shown in Figure 3 by another bulb.
The hole, blind position that arranges on the arch holder of the present invention, it is complied with in the position on the described trapezoidal positioning groove and changes the continuous state of described fix shaft when described positioning groove moves, and after a flex point is set, is used for fixing described tooth piece; If do not add the external force effect, described fix shaft is stabilized in this place, hole, blind position, can effectively avoid vehicle to travel because vibrations cause described tooth piece withdrawal, and supported saddle sinks suddenly and the potential safety hazard brought.
Scientific structure of the present invention, ingenious, the high safety of design, practical reliable are for the production of folding bicycle and electric motor bicycle with folding provides a kind of practical equipment.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the combination assumption diagram of Fig. 1.
Fig. 3 is that the present invention with structure shown in Figure 1 is applied in the enforcement illustration on the car body.
Fig. 4 is the folding car structure figure that structure embodiment illustrated in fig. 3 is installed.
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The specific embodiment
Below in conjunction with accompanying drawing 1 to accompanying drawing 4 embodiments of the invention are described, but should be limited to following examples:
A kind of ratchet jacking system is provided, it comprises a housing 1 and an arch holder 2, and vertical both sides, described housing 1 surface are provided with guide groove 11, and described guide groove 11 is provided with horizontal concrete chute 12, be provided with a hollow reservoir 13 in the described housing 1, be equipped with a tooth piece 3 in the described hollow reservoir 13; The aerofoil of described arch holder 2 both wings cooperates with described guide groove 11 and slides along described guide groove 11, and the aerofoil of described arch holder 2 both wings is provided with a trapezoidal positioning groove 21; The fix shaft 311 that arranges in the axis hole 31 on the described tooth piece 3 passes described horizontal concrete chute 12 and places on the described trapezoidal positioning groove 21, and the upper end of described trapezoidal positioning groove 21 is provided with hole 211, blind position; When described tooth piece 3 stretches out in along described horizontal concrete chute 12 from described hollow reservoir 13 fully, described fix shaft 311 is corresponding to the position in hole 211, described blind position, when described arch holder 2 was upwards mentioned along described guide groove 11, described fix shaft 311 broke away from described blind hole 211, position and makes described tooth piece 3 along described horizontal concrete chute 12 withdrawals.
Described housing 1 is provided with a screw 14, described arch holder 2 is provided with slotted hole 22, described slotted hole 22 is that macropore 221 other ends are that aperture 222, described macropore 221 are communicated with aperture 222 flute profiles and form by an end, the screw rod 5 of one cover upper spring 6 passes described macropore 221 and is connected with screw 14 on the described housing 1 and fixes, and an end of described spring 6 holds the nut head 51 that described arch holder 2, the other end hold described screw rod 5; And constitute a kind of elastic reset structure.
The button rope 4 that draws that aperture 222 1 sides and an end of described slotted hole 22 is provided with bulb 41 cooperates.
Described button rope 4 other ends that draw arrange another bulb 42.By another bulb 42 with peripheral hardware of the present invention but be connected with the button that draws that the saddle lifting that the present invention cooperates draws buckle device A to go up to arrange.
See also Fig. 4, provided a kind of Application Example of the present invention on electric motor bicycle with folding among Fig. 4, buckle device A(Fig. 4 part that circle encloses is drawn in the saddle lifting that is arranged in the top of saddle bracing frame 9) draw by it and buckle drawing of control and buckle 4 another bulb 42 of restricting and be connected with the arch holder 2 of the present invention that is positioned at saddle bracing frame 9 belows, button rope 4 forms that are connected with described arch holder 2 of drawing of the present invention are by above providing, repeat no more
Referring to Fig. 3, the present invention is arranged at the below of saddle bracing frame 9 and fixes by fixed cap 7 and nut 8.
When folded bicycle was in riding condition, described fix shaft 311 placed the position in hole 211, described blind position, does not cause the displacement of described fix shaft 311 because of the vibrations of car body, and caused described tooth piece 3 withdrawals and influence is ridden; When folded bicycle need fold, the button that draws on the buckle device A is drawn in the lifting of pulling saddle, drive the described button rope 4 that draws, described arch holder 2 is mentioned along guide groove 11, described tooth piece 3 is along horizontal concrete chute 12 withdrawal, and simultaneously, described spring 6 is compressed, the tooth rank that arrange in grinding tooth on the described tooth piece 3 and the folded bicycle upper saddle seat bracing frame 9 are in released state, are convenient to mention saddle; When saddle reaches predetermined altitude, unclamp the described button that draws, under the return action of described spring 6, described fix shaft 311 places the position in hole 211, described blind position again, and described tooth piece 3 stretches out fully and with the engagement of described tooth rank saddle is positioned at this height and position place.
Above shown detailed embodiment of the present invention, apparent, those skilled in the art can carry out the part modifications and changes under prerequisite of the present invention; The content of mentioning in description above and the accompanying drawing is the illustration of property as an illustration only, is not to be limitation of the present invention; Have the ratchet jacking system of technical characterictic described herein, all fall into this patent protection domain.
Claims (4)
1. ratchet jacking system, it is characterized in that: it comprises a housing and an arch holder that cooperates with described housing, the vertical both sides of described surface of shell are provided with guide groove, described guide groove is provided with horizontal concrete chute, be provided with a hollow reservoir in the described housing, be equipped with a tooth piece in the described hollow reservoir; The aerofoil of described arch holder both wings cooperates with described guide groove and slides along this guide groove, and the aerofoil of described arch holder both wings is provided with a trapezoidal positioning groove; The fix shaft that arranges on the described tooth piece passes described horizontal concrete chute and places on the described trapezoidal positioning groove, and the upper end of described trapezoidal positioning groove is provided with hole, blind position; When described tooth piece stretches out in along horizontal concrete chute from described hollow reservoir fully, described fix shaft is corresponding to the position in hole, described blind position, when described arch holder was upwards mentioned along described guide groove, described fix shaft broke away from described blind hole, position and makes described tooth piece withdraw along horizontal concrete chute.
2. a kind of ratchet jacking system as claimed in claim 1, it is characterized in that: described housing is provided with a screw, described arch holder is provided with slotted hole, described slotted hole is aperture by an end for the macropore other end, described macropore is communicated with composition with the aperture flute profile, the screw rod of one cover upper spring passes described macropore and is connected with screw on the described housing and fixes, and an end of described spring holds the nut head that described arch holder, the other end hold described screw rod.
3. a kind of ratchet jacking system as claimed in claim 1 is characterized in that: the button rope that draws that aperture one side and an end of described slotted hole is provided with bulb cooperates.
4. a kind of ratchet jacking system as claimed in claim 3 is characterized in that: the described button rope other end that draws is provided with another bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228985.9A CN103332251B (en) | 2013-06-09 | 2013-06-09 | Ratchet lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228985.9A CN103332251B (en) | 2013-06-09 | 2013-06-09 | Ratchet lowering or hoisting gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103332251A true CN103332251A (en) | 2013-10-02 |
| CN103332251B CN103332251B (en) | 2018-03-20 |
Family
ID=49240481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310228985.9A Active CN103332251B (en) | 2013-06-09 | 2013-06-09 | Ratchet lowering or hoisting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103332251B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807856A (en) * | 1987-10-08 | 1989-02-28 | Gary Teckenbrock | Adjustable bicycle seat post |
| CN2390792Y (en) * | 1999-08-26 | 2000-08-09 | 蔡水德 | Tube type dismounting device for bicycle |
| CN2488799Y (en) * | 2001-06-08 | 2002-05-01 | 顾正 | Locator of saddle lifting pillar for bicycle |
| DE20310498U1 (en) * | 2003-07-09 | 2003-10-09 | Hsin Lung Accessories Co | Adjustable bicycle shaft has a tube with a toothed section on the upped tube end and a side tube with a connecting part whose end has a rotating connection |
| CN203439206U (en) * | 2013-06-09 | 2014-02-19 | 无锡尚格工业设计有限公司 | Ratchet elevating device |
-
2013
- 2013-06-09 CN CN201310228985.9A patent/CN103332251B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807856A (en) * | 1987-10-08 | 1989-02-28 | Gary Teckenbrock | Adjustable bicycle seat post |
| CN2390792Y (en) * | 1999-08-26 | 2000-08-09 | 蔡水德 | Tube type dismounting device for bicycle |
| CN2488799Y (en) * | 2001-06-08 | 2002-05-01 | 顾正 | Locator of saddle lifting pillar for bicycle |
| DE20310498U1 (en) * | 2003-07-09 | 2003-10-09 | Hsin Lung Accessories Co | Adjustable bicycle shaft has a tube with a toothed section on the upped tube end and a side tube with a connecting part whose end has a rotating connection |
| CN203439206U (en) * | 2013-06-09 | 2014-02-19 | 无锡尚格工业设计有限公司 | Ratchet elevating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103332251B (en) | 2018-03-20 |
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