CN205256516U - Lifting device for bike saddle chair - Google Patents
Lifting device for bike saddle chair Download PDFInfo
- Publication number
- CN205256516U CN205256516U CN201520829623.XU CN201520829623U CN205256516U CN 205256516 U CN205256516 U CN 205256516U CN 201520829623 U CN201520829623 U CN 201520829623U CN 205256516 U CN205256516 U CN 205256516U
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- China
- Prior art keywords
- incomplete
- screw thread
- engaging mechanism
- external screw
- thread
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Abstract
The utility model provides a lifting device for bike saddle chair, belongs to bicycle accessory technical field. The bike saddle chair is for removing the part among the the device, and bike saddle chair support frame is fixed base member, but the convex -concave engaging mechanism through even continuous distribution between fixed base member and relative its axial relative displacement's the removal part forms meshing location or separation telescoping connection, meshing position on the protruding tooth member with relative displacement orientation vertically cross -section on have a branch separating groove at least, the rotatory engaging mechanism of convex -concave engaging mechanism for being divided the incomplete circular thread after separating groove is cut apart, incomplete circular thread's rotatory engaging mechanism includes the circular external screw thread of incomplete and rather than the circular internal thread of incomplete of meshing. The utility model discloses a quick lift and the location of bike saddle chair are realized to the device, needn't can realize with the help of the instrument in the external world moreover, and easy operation is convenient, and the device's engaging mechanism is that the thread engagement is connected under the meshing lock -out state, and its axial force is great, safe and reliable.
Description
Technical field
The utility model belongs to bicycle accessories field, particularly a kind of lowering or hoisting gear of seat.
Background technology
At present, the adjusting of the standpipe (also claiming seat pipe) on seatpillar (also claiming seat bar) and the vehicle frame of ordinary bicycle or folding bicycle and fixing, lean on bolt or cam mechanism (quick clip) to loosen or shrink standpipe internal diameter, reach the object of loosening or holding seatpillar tightly, these prior aries, the specific purpose tool that needs having could regulate, the not specific purpose tool having regulates, but very hard, and reliability is not high, all exists saddle easily to sink and rotation phenomenon.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of lowering or hoisting gear of bicycle seat is provided, this device adopts the convex-concave engaging mechanism of even continuous distributed form engagement location or separate telescopic connection bicycle seat and bike support, make can to stretch and locate between two parts, convex-concave engaging mechanism is the rotation engaging mechanism of incomplete round thread, device of the present utility model is simple to operate, dependable performance, this application can realize the functions such as flexible and location fast, and practical function is strong.
The technical scheme that the utility model adopted is for achieving the above object: a kind of lowering or hoisting gear of bicycle seat, is characterized in that: bicycle seat is moving-member, and bicycle seat bracing frame is fixing base;
Described fixing base and moving-member are nested with mutually, and described fixing base and relative its axially can form engagement location or the telescopic connection of separation by the convex-concave engaging mechanism of even continuous distributed between the moving-member of relative displacement;
Described convex-concave engaging mechanism comprises double wedge member and the groove member that is meshed or separates with it;
Engagement position on described double wedge member has a separation trough at least on the cross section vertical with relative displacement direction;
On described fixing base, be fixedly installed double wedge member, on described moving-member, be fixedly installed the groove member that is meshed or separates with described double wedge member; Or on described moving-member, be fixedly installed double wedge member, on described fixing base, be fixedly installed the groove member that is meshed or separates with double wedge member;
Described convex-concave engaging mechanism is rotary convex-concave engaging mechanism, in this engaging mechanism, has at least the double wedge member of a separation trough or groove member make double wedge member with groove member engagement or separate by rotation;
Described rotary convex-concave engaging mechanism is the rotation engaging mechanism of the incomplete round thread after being separated groove and cutting apart, the rotation engaging mechanism of described incomplete round thread comprises incomplete circular external screw thread and the incomplete circular internal thread engaging with it, described incomplete circular external screw thread and described incomplete circular internal thread be even continuous distributed in the axial direction, described incomplete circular external screw thread is one section or is divided equally at least two sections and be uniformly distributed on circular cambered surface, described incomplete circular internal thread and the incomplete circular external screw thread engaging with it have corresponding screw-threaded engagement feature.
Described moving-member lower end is fixedly connected with incomplete circular externally threaded item, described fixing base upper end is fixedly connected with incomplete circular interior threaded part, described incomplete circular interior threaded part has identical screw-threaded engagement feature with described incomplete circular externally threaded item, and engagement or separate type connection; On axial direction on the connecting rod of described moving-member lower end, be provided with direction locating slot and angle orientation groove, described fixing base is provided with elastic positioning pin;
When described incomplete circular external screw thread is one section, the screw thread radian of its incomplete circular external screw thread and the incomplete circular internal thread that engages with it is 90 °-180 °, and on incomplete circular external screw thread, the non-threaded separation trough degree of depth is greater than the tooth depth of screw thread.
Described incomplete circular external screw thread is divided equally at least two sections and be uniformly distributed on circular cambered surface, the radian of every section of screw thread on described incomplete circular external screw thread is not more than the radian of every section of non-threaded separation trough, and the described non-threaded separation trough degree of depth is greater than the tooth depth of screw thread, the incomplete circular internal thread that described and incomplete circular external screw thread is meshed has its corresponding screw-threaded engagement feature.
Engagement position on double wedge member has a separation trough at least on the cross section vertical with relative displacement direction, it is specifically interpreted as: in the convex-concave engaging mechanism of rotation mode, engagement external screw thread on double wedge member, it is joggle piece, because needs rotate the rear engagement axially-movable in partition groove that departs from, therefore need at least one separation trough to realize moving axially of double wedge member;
The utility model practical function, has following beneficial effect:
(1) this device adopts the convex-concave engaging mechanism of even continuous distributed form engagement location or separate telescopic connection, make can to stretch and locate between seat and bracing frame, convex-concave engaging mechanism is the rotation engaging mechanism of incomplete round thread, this engaging mechanism is realized incomplete external screw thread and internal thread engagement by rotation with separate, realize parts relatively moving and lock in place at axial direction, this device is easy to operate, when use, do not need to use in addition instrument, dependable performance, safe and practical, can realize quick-expansion and pinpoint function, can be applied to and need in flexible and pinpoint structure.
(2) the rotation engaging mechanism of this incomplete round thread is applied to the lifting of bicycle seat, realize fast lifting and the location of bicycle seat, and needn't can realize by extraneous instrument, simple to operation, the engaging mechanism of this device is that screw-threaded engagement connects under engagement lock-out state, its axial force is larger, and the axial force of holding friction mode than the outside of at present general bicycle seat lifting employing tightly is much larger, safe and reliable.
(3) structure of this device has thoroughly been overturned the mentality of designing that existing governor motion is radially locked, by the winding machine quick-expansion adjusting of screw thread or ratchet and the object of lock in place, compare the similar mechanism of hydraulic pressure or air pressure, this device has to be made simply, lightweight, dependable performance, and cost reduces significantly.
Brief description of the drawings
Fig. 1 is the schematic diagram that a kind of engaging mechanism of lift device for bicycle saddle engages lock-out state while being the rotation engaging mechanism of the incomplete round thread of four-part form.
Fig. 2 is that Fig. 1 is at the A-A structural representation separating under flexible state.
In figure: 4, seat, 42, seat bar, 43, bicycle seat bracing frame, 44, the incomplete circular external screw thread of four-part form, 45, angle orientation groove, 46, elastic positioning pin, 47, direction locating slot, 48, the incomplete circular internal thread of four-part form.
Detailed description of the invention
Describe the utility model in detail below in conjunction with specific embodiment and accompanying drawing, but the utility model is not limited to specific embodiment.
Embodiment 1
As shown in Figure 1, bicycle seat comprises seat 4 and seat bar 42, it is moving-member, seat 4 is installed on a bar 42, the seat bar lower end of bicycle seat is fixedly connected with incomplete circular external screw thread 44 parts of four-part form, bicycle seat bracing frame 43 is fixing base, upper end is fixedly connected with incomplete circular internal thread 48 parts of four-part form, incomplete circular internal thread 48 parts of four-part form have identical screw-threaded engagement feature with incomplete circular external screw thread 44 parts of four-part form, and engagement or separate type connection; On axial direction on the seat bar 42 that bicycle seat lower end connects, be provided with direction locating slot 47 and angle orientation groove 45, on bicycle seat bracing frame 43, be provided with elastic positioning pin 46;
When the incomplete circular external screw thread 44 of four-part form engages with the incomplete circular internal thread 48 of four-part form, the seat head of bicycle seat is towards dead ahead, bicycle seat is in normal operating condition, now elastic positioning pin is arranged in direction locating slot, bicycle seat can not rotate, can not move up and down, as shown in Figure 1.
As shown in Figure 2, when the incomplete circular external screw thread 44 of four-part form separates with the incomplete circular internal thread 48 of four-part form, the seat head of bicycle seat is towards side front, and bicycle seat is in flexible adjustable state, now elastic positioning pin is arranged in angle orientation groove, and bicycle seat can move up and down.
More than show and described general principle of the present utility model and principal character; those skilled in the art should understand the utility model and not be restricted to the described embodiments; what the above embodiments and description were described just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model has various changes and modifications; these changes and improvements all fall in the claimed scope of the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent.
Claims (4)
1. a lowering or hoisting gear for bicycle seat, is characterized in that: bicycle seat is moving-member, voluntarilyVehicle seats bracing frame is fixing base;
Described fixing base and moving-member are nested with mutually, described fixing base with relative its axially can phase contrapositionBetween the moving-member moving, form engagement location or separate flexible by the convex-concave engaging mechanism of even continuous distributedFormula connects;
Described convex-concave engaging mechanism comprises double wedge member and the groove member that is meshed or separates with it;
Engagement position on described double wedge member has one point at least on the cross section vertical with relative displacement directionSeparate slot;
On described fixing base, be fixedly installed double wedge member, on described moving-member, be fixedly installed with describedThe groove member that double wedge member is meshed or separates; Or on described moving-member, be fixedly installed double wedge member,On described fixing base, be fixedly installed the groove member that is meshed or separates with double wedge member;
Described convex-concave engaging mechanism is rotary convex-concave engaging mechanism, in this engaging mechanism, by rotation at leastThere are double wedge member or the groove member of a separation trough make double wedge member with groove member engagement or separate;
Described rotary convex-concave engaging mechanism is the rotation engagement of the incomplete round thread after being separated groove and cutting apartMechanism, the rotation engaging mechanism of described incomplete round thread comprises incomplete circular external screw thread and engages with itIncomplete circular internal thread, described incomplete circular external screw thread and described incomplete circular internal thread are axiallyEven continuous distributed in direction, described incomplete circular external screw thread is one section or is divided equally at least two sections and evenBe distributed on circular cambered surface described incomplete circular internal thread and the incomplete circular external screw thread engaging with itThere is corresponding screw-threaded engagement feature.
2. the lowering or hoisting gear of a kind of bicycle seat according to claim 1, is characterized in that: described in moveDynamic component lower end is fixedly connected with incomplete circular externally threaded item, and described fixing base upper end is fixedly connected withIncomplete circular interior threaded part, described incomplete circular interior threaded part and described incomplete circular external screw threadParts have identical screw-threaded engagement feature, and engagement or separate type connection; Described moving-member lower end connectsOn axial direction on extension bar, be provided with direction locating slot and angle orientation groove, described fixing base is provided with bulletProperty alignment pin.
3. the lowering or hoisting gear of a kind of bicycle seat according to claim 1, is characterized in that: described non-When complete circle external screw thread is one section, spiral shell in its incomplete circular external screw thread and the incomplete circle that engages with itThe screw thread radian of line is 90 °-180 °, and the separation trough degree of depth non-threaded on incomplete circular external screw thread is greater than spiral shellThe tooth depth of line.
4. the lowering or hoisting gear of a kind of bicycle seat according to claim 1, is characterized in that: described non-Complete circle external screw thread is divided equally at least two sections and be uniformly distributed on circular cambered surface described incomplete circleThe radian of every section of screw thread on external screw thread is not more than the radian of every section of non-threaded separation trough, and described non-threadedThe separation trough degree of depth be greater than the tooth depth of screw thread, the incomplete circle that described and incomplete circular external screw thread is meshedInternal thread has its corresponding screw-threaded engagement feature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829623.XU CN205256516U (en) | 2015-10-24 | 2015-10-24 | Lifting device for bike saddle chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829623.XU CN205256516U (en) | 2015-10-24 | 2015-10-24 | Lifting device for bike saddle chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205256516U true CN205256516U (en) | 2016-05-25 |
Family
ID=55998061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829623.XU Expired - Fee Related CN205256516U (en) | 2015-10-24 | 2015-10-24 | Lifting device for bike saddle chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205256516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819361A (en) * | 2016-05-30 | 2016-08-03 | 吴超 | Telescopic supporting rod |
| CN105858524A (en) * | 2016-05-30 | 2016-08-17 | 吴超 | Quick telescopic supporting rod |
-
2015
- 2015-10-24 CN CN201520829623.XU patent/CN205256516U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819361A (en) * | 2016-05-30 | 2016-08-03 | 吴超 | Telescopic supporting rod |
| CN105858524A (en) * | 2016-05-30 | 2016-08-17 | 吴超 | Quick telescopic supporting rod |
| CN105858524B (en) * | 2016-05-30 | 2018-01-09 | 衢州市易凡设计有限公司 | A kind of quick telescopic supporting rod |
| CN105819361B (en) * | 2016-05-30 | 2018-02-23 | 衢州市易凡设计有限公司 | A kind of support bar of the supporting heavy of quick-expansion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20191024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |