CN202138483U - Folding joint with automatic safety device - Google Patents
Folding joint with automatic safety device Download PDFInfo
- Publication number
- CN202138483U CN202138483U CN201120216897U CN201120216897U CN202138483U CN 202138483 U CN202138483 U CN 202138483U CN 201120216897 U CN201120216897 U CN 201120216897U CN 201120216897 U CN201120216897 U CN 201120216897U CN 202138483 U CN202138483 U CN 202138483U
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- Prior art keywords
- joint
- connecting panel
- locking bar
- safety device
- folding
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- Expired - Lifetime
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Abstract
The utility model provides a folding joint with an automatic safety device, and can well make up defects in the prior art. To solve the technical problems, the utility model provides the folding joint with the automatic safety device. The folding joint comprises a connecting plate I and a connecting plate II which are connected with each other through a hinge shaft; and a locking handle with a cam is arranged in the middle of the hinge shaft. The utility model has the beneficial technical effects as follows: the feasibility and the convenience during the assembly and the disassembly of the joint are guaranteed; the clearance between a hook joint part and a joint clamping hook is adjustable to ensure that the joint can be effectively locked; the angle between the slope of the hook joint part and the slope of the joint clamping hook can be very large, so that the joint can be locked reliably and be unlocked with automatic separation to avoid stuck; and a locking device and a safety device are separated from each other mechanically, so that the phenomenon that safety device is not pressed down since the joint is locked too tightly is avoided.
Description
Technical field
The utility model relates to a kind of folding joint of folding bicycle, particularly relates to a kind of folding joint with automatic safety device.
Background technology
The folding joint of the folding bicycle of prior art exists the some shortcomings part.Chinese patent ZL200920302059.0, Granted publication day is disclosed a kind of folding joint on March 10th, 2010, and is as shown in Figure 1; At first, the rotating shaft 4a at the back side of hook joint spare 3a one of which end through being located at a plate 1a connects, but for folding bicycle; The connecting panel 1a back side normally is welded with pipe fitting 6a; And be osed top, therefore, rotating shaft 4a can't Assembly And Disassembly; Secondly, the distance L of the rotating shaft 4a center of hook joint spare 3a 3a-2 to its intercalation part plane is a definite value, because the error accumulation of each part; Actual situation is or hook joint spare 3a can't snap in connecting panel 2a, or after snapping in connecting panel 2a, its intercalation part plane 3a-2 and connecting panel 2a still have big gap; Can not fit tightly; Therefore, even if close clamp handle 7a, joint is also locked not tight; The 3rd, before realizing not closing clamp handle after joint engages, under the normal external force effect of using, joint can not opened automatically.Require connecting panel 2a to the intercalation part plane 3a-2 applied force of hook joint spare 3a as far as possible little along the component of spring 8a axis direction; Otherwise spring 8a by compression, and hook joint spare 3a rotates and joint is opened automatically, does not need to press rod member 5a joint can open so at all; Rod member 5a stretches out the function that is used to press outside the joint and just performs practically no function; Owing to according to the principle of design of this folding joint, need not to install additional in addition the safety button and retrain lock handle, and above-mentioned principle can not really guarantee manually to press rod member 5a and just can open joint; Therefore, there is very big potential safety hazard in the folding joint of this principle.In order to realize safety, angle B shown in Figure 1 must be done very for a short time, approaches zero degree.This just causes second said, or lock is not tight, or lock does not advance; The 4th, very well even all finish sizes are all controlled, joint has been locked; But because angle B approaches zero; In the time will opening joint, application of force direction is approaching vertical with the mutual action force direction between intercalation part plane 3a-2 and the connecting panel 2a when pressing rod member 5a, therefore; Pressing the used power of rod member 5a need be very big, and manpower at all can't be by moving sometimes.
Summary of the invention
To the prior art problem, the utility model provides a kind of folding joint with automatic safety device, can remedy deficiency of the prior art well.For solving the problems of the technologies described above; The utility model provides a kind of folding joint with automatic safety device; Comprise through hinge axis bonded assembly first connecting panel and second connecting panel; The middle part of said hinge axis is provided with the clamp handle of strap cam; Be provided with locking bar between said first connecting panel and the said second connecting panel, this locking bar is provided with jacking block and setting nut near an end of said clamp handle, is connected with hook joint spare through rotating shaft in the said first connecting panel; The trip inclined-plane that colludes tight inclined-plane and said second connecting panel of said hook joint spare can fit; Said locking bar is provided with the safety pole that has guiding surface away from an end of said clamp handle, and said locking bar inserts in the said safety pole endoporus, is provided with between said locking bar and the safety pole to make said locking bar drive the spring that hook joint spare rotates; Said safety pole is provided with button away from an end of said locking bar, and said second connecting panel is provided with boss, can make the hole clipping that said safety pole snaps in and can make safety pole and one section draw-in groove that can pass through that button bonded assembly size is less.
As preferably, be provided with the set screw and the lock screw of scalable rotating shaft position in the said first connecting panel.
Further preferred, be welded with pipe fitting on the said first connecting panel, said rotating shaft is installed in the enclosure space of said pipe fitting, and said first connecting panel also is provided with and is beneficial to rotating shaft and is assembled to the slot to make way in its fitting recess.
Following further two kinds of preferred versions arranged side by side:
The first, said hook joint spare is provided with a force transmission shaft at joint folding center line plane place, and this force transmission shaft inside has the through hole that the said locking bar of a confession penetrates along its length direction, and said force transmission shaft is captiveed joint with said locking bar.
The second, said locking bar is provided with the arc surface with said hook joint spare direct contact.
The utlity model has following useful technique effect:
1) feasibility and the comfort feature of joint assembly and disassembly have been guaranteed;
2) hook joint spare and joint trip adjustable gaps have guaranteed that joint can effectively lock;
3) hook joint spare can be very big with joint trip bevel angle, and is reliable in the time of can guaranteeing joint locking, separates unlikely stuck when unclamping automatically;
4) separate on latching device and the safety device mechanics, can be because of not locking to such an extent that too tightly safety device occurs by motionless phenomenon.
Description of drawings
Fig. 1 is the structural representation of the folding joint of prior art;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is the cutaway view of A-A among Fig. 3;
Fig. 5 is the structural representation of hook joint spare;
Fig. 6 is the structural representation of the utility model embodiment 2;
Among Fig. 2-6: 1-first connecting panel, 2-second connecting panel, 3-hinge axis, 4-clamp handle, 5-hook joint spare, 6-rotating shaft; The 7-force transmission shaft, 8-locking bar, 9-jacking block, 10-setting nut, 11-spring; The 12-safety pole, 13-button, 14-lock screw, 15-set screw, 16-pipe fitting.
The specific embodiment
Be elaborated below in conjunction with the preferred implementation of accompanying drawing to the utility model.
Embodiment 1:
Extremely shown in Figure 5 like Fig. 2; A kind of folding joint with automatic safety device; Comprise through hinge axis 3 bonded assembly first connecting panels 1 and second connecting panel 2; The middle part of said hinge axis 3 is provided with the clamp handle 4 of strap cam; Be provided with locking bar 8 between said first connecting panel 1 and the said second connecting panel 2, this locking bar 8 is provided with jacking block 9 and setting nut 10 near an end of said clamp handle 4, is connected with hook joint spare 5 through rotating shaft 6 in the said first connecting panel 1; The trip inclined-plane 2-c that colludes tight inclined-plane 5-a and said second connecting panel 2 of said hook joint spare 5 can fit; Said locking bar 8 is provided with the safety pole 12 that has guiding surface 12-a away from an end of said clamp handle 4, and said locking bar 8 inserts in said safety pole 12 endoporus, is provided with between said locking bar 8 and the safety pole 12 to make said locking bar 8 drive the spring 11 that hook joint spare 5 rotates; Said safety pole 12 is provided with button 13 away from an end of said locking bar 8, and said second connecting panel 2 is provided with boss 2-b, can make hole clipping 2-d that said safety pole 12 snaps in and the draw-in groove 2-a that safety pole 12 and one section less 12-b of button 13 bonded assembly sizes can be passed through.Be provided with the set screw 15 and lock screw 14 of scalable rotating shaft 6 positions in the said first connecting panel 1.Be welded with pipe fitting 16 on the said first connecting panel 1, said rotating shaft 6 is installed in the enclosure space of said pipe fitting 16, and said first connecting panel 1 also is provided with and is beneficial to rotating shaft 6 and is assembled to the slot to make way 1-a in its fitting recess 1-b.Said hook joint spare 5 is provided with a force transmission shaft 7 at joint folding center line plane place, and these force transmission shaft 7 inside have the through hole that the said locking bar 8 of a confession penetrates along its length direction, and said force transmission shaft 7 is captiveed joint with said locking bar 8.
Embodiment 2:
Like Fig. 5, shown in Figure 6; A kind of folding joint with automatic safety device; Comprise through hinge axis 3 bonded assembly first connecting panels 1 and second connecting panel 2; The middle part of said hinge axis 3 is provided with the clamp handle 4 of strap cam; Be provided with locking bar 8 between said first connecting panel 1 and the said second connecting panel 2, this locking bar 8 is provided with jacking block 9 and setting nut 10 near an end of said clamp handle 4, it is characterized in that: be connected with hook joint spare 5 through rotating shaft 6 in the said first connecting panel 1; The trip inclined-plane 2-c that colludes tight inclined-plane 5-a and said second connecting panel 2 of said hook joint spare 5 can fit; Said locking bar 8 is provided with the safety pole 12 that has guiding surface 12-a away from an end of said clamp handle 4, and said locking bar 8 inserts in said safety pole 12 endoporus, is provided with between said locking bar 8 and the safety pole 12 to make said locking bar 8 drive the spring 11 that hook joint spare 5 rotates; Said safety pole 12 is provided with button 13 away from an end of said locking bar 8, and said second connecting panel 2 is provided with boss 2-b, can make hole clipping 2-d that said safety pole 12 snaps in and the draw-in groove 2-a that safety pole 12 and one section less 12-b of button 13 bonded assembly sizes can be passed through.Be provided with the set screw 15 and lock screw 14 of scalable rotating shaft 6 positions in the said first connecting panel 1.Be welded with pipe fitting 16 on the said first connecting panel 1, said rotating shaft 6 is installed in the enclosure space of said pipe fitting 16, and said first connecting panel 1 also is provided with and is beneficial to rotating shaft 6 and is assembled to the slot to make way 1-a in its fitting recess 1-b.Said locking bar 8 is provided with the arc surface 8-a with said hook joint spare 5 direct contacts.
In above-mentioned two embodiment: between locking bar 8 and the safety pole 12 spring 11 is housed; Locking bar 8 is under the effect of spring 11; Drive hook joint spare 5 parts such as grade, make the cambered surface of jacking block 9 be close to the cam cambered surface of clamp handle 4, when clamp handle 4 is in releasing orientation; The effect of this spring force can keep the releasing orientation of clamp handle 4 constant, the trip inclined-plane 2-c that colludes tight inclined-plane 5-a disengaging second connecting panel 2 of hook joint spare 5.Close up joint this moment, and when being about to put in place, the guiding surface 12-a of safety pole 12 is under the effect of the boss 2-b of second connecting panel 2; The application force that overcomes spring 11 moves inwards, close up put in place after, snap in automatically in the hole clipping 2-d of second connecting panel 2; At this moment, even clamp handle 4 is in releasing orientation, first and second connecting panels can not unclamp automatically yet; Must manually press button 13, make safety pole 12 break away from the hole clipping 2-d of second connecting panel 2, two connecting panels can separate.Have draw-in groove 2-a on the second connecting panel 2, can let safety pole 12 and one section less 12-b of button 13 bonded assembly sizes pass through.
In order to eliminate various Mismachining tolerances; Make the trip inclined-plane 2-c of tight inclined-plane 5-a of colluding of hook joint spare 5 and second connecting panel 2 fit better; The height and position of rotating shaft 6 has been arranged to adjustable, and is as shown in Figure 4, and the first connecting panel is equipped with governing screw 15 for 1 li; The position of scalable rotating shaft 6 regulates back lock screw 14 rotating shaft 6 is fixed.
The another side of first connecting panel 1 normally is welded with pipe fitting 16; And rotating shaft 6 is contained in the enclosure space of pipe fitting 16 just; Therefore, the first connecting panel has slot to make way 1-a for 1 li, the rotating shaft 6 that can supply to be inserted in hook joint spare 5 through after move into place again in the fitting recess 1-b of first connecting panel 1.
Fig. 6 is the Another Application instance of this patent, with respect to embodiment shown in Figure 2, has cancelled force transmission shaft 7; Arc surface 8-a by locking bar 8 directly withstands on the cambered surface 5-a of hook joint spare 5; Under the application force of spring 11, two parts can drive motion together mutually, and other structural principle is all the same.
During actual product design, consider assembling, the manufacturability of part; Some can be the combination of several parts for the top part of narrating, and some part itself can be provided with some characteristics that are used for function such as spacing, and some part is in order to remove some and the little part of functional relationship for loss of weight; Like figure, the hook joint spare shown in 55 has just removed 5-a; 5-b, 5-c etc. locate.
The folding joint of the utility model, its key point be joint when closing safety device automatically engaging put in place, non-manual operation buttons joint can not opened automatically; Latching device separates independence with safety device on mechanics, not can because of lock too tightly safety device appears and button by motionless phenomenon; Hook joint spare 5 and joint trip adjustable gaps, thus guarantee that joint locking is more reliable.
Need to prove at last; The above is merely the preferred embodiment of the utility model; Rather than, anyly be equal to replacement or corresponding improvement to what the utility model technical characterictic did to the qualification of the utility model technical scheme, still within the protection domain of the utility model.
Claims (5)
1. folding joint with automatic safety device; Comprise through hinge axis bonded assembly first connecting panel and second connecting panel; The middle part of said hinge axis is provided with the clamp handle of strap cam; Be provided with locking bar between said first connecting panel and the said second connecting panel, this locking bar is provided with jacking block and setting nut near an end of said clamp handle, it is characterized in that: be connected with hook joint spare through rotating shaft in the said first connecting panel; The trip inclined-plane that colludes tight inclined-plane and said second connecting panel of said hook joint spare can fit; Said locking bar is provided with the safety pole that has guiding surface away from an end of said clamp handle, and said locking bar inserts in the said safety pole endoporus, is provided with between said locking bar and the safety pole to make said locking bar drive the spring that hook joint spare rotates; Said safety pole is provided with button away from an end of said locking bar, and said second connecting panel is provided with boss, can make the hole clipping that said safety pole snaps in and can make safety pole and one section draw-in groove that can pass through that button bonded assembly size is less.
2. a kind of folding joint with automatic safety device as claimed in claim 1 is characterized in that: the set screw and the lock screw that are provided with the scalable rotating shaft position in the said first connecting panel.
3. a kind of folding joint as claimed in claim 2 with automatic safety device; It is characterized in that: be welded with pipe fitting on the said first connecting panel; Said rotating shaft is installed in the enclosure space of said pipe fitting, and said first connecting panel also is provided with and is beneficial to rotating shaft and is assembled to the slot to make way in its fitting recess.
4. like claim 1,2 or 3 described a kind of folding joints with automatic safety device; It is characterized in that: said hook joint spare is provided with a force transmission shaft at joint folding center line plane place; This force transmission shaft inside has the through hole that the said locking bar of a confession penetrates along its length direction, and said force transmission shaft is captiveed joint with said locking bar.
5. like claim 1,2 or 3 described a kind of folding joints with automatic safety device, it is characterized in that: said locking bar is provided with the arc surface with said hook joint spare direct contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120216897U CN202138483U (en) | 2011-06-24 | 2011-06-24 | Folding joint with automatic safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120216897U CN202138483U (en) | 2011-06-24 | 2011-06-24 | Folding joint with automatic safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202138483U true CN202138483U (en) | 2012-02-08 |
Family
ID=45549559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120216897U Expired - Lifetime CN202138483U (en) | 2011-06-24 | 2011-06-24 | Folding joint with automatic safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202138483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149903A (en) * | 2014-07-31 | 2014-11-19 | 广州市锦宏机电科技发展有限公司 | Stem folding and lock mechanism of Fold able vehicle |
| CN104340316A (en) * | 2014-10-20 | 2015-02-11 | 天津富士达自行车有限公司 | Connecting rod type folding connector with automatic safe locking device |
-
2011
- 2011-06-24 CN CN201120216897U patent/CN202138483U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149903A (en) * | 2014-07-31 | 2014-11-19 | 广州市锦宏机电科技发展有限公司 | Stem folding and lock mechanism of Fold able vehicle |
| CN104340316A (en) * | 2014-10-20 | 2015-02-11 | 天津富士达自行车有限公司 | Connecting rod type folding connector with automatic safe locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU CRONUS BICYCLE FASHION SPORTS CO., LTD. Free format text: FORMER NAME: GUANGDONG CRONUS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 2, building 2, 2, Po Bei Road, Whampoa District, Guangdong, Guangzhou, 510530 Patentee after: GUANGZHOU CRONUS BICYCLE FASHION SPORTS CO., LTD. Address before: 510000 floor, building 2, Po Bei Road 3, Po Po Industrial Zone, Whampoa District, Guangzhou, Guangdong Patentee before: Guangzhou Cronus Sports Technology Co., Ltd. |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20181023 Granted publication date: 20120208 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190423 Granted publication date: 20120208 |
|
| PD01 | Discharge of preservation of patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |