CN109779423A - A kind of limited support bar with self-locking function - Google Patents
A kind of limited support bar with self-locking function Download PDFInfo
- Publication number
- CN109779423A CN109779423A CN201811559593.XA CN201811559593A CN109779423A CN 109779423 A CN109779423 A CN 109779423A CN 201811559593 A CN201811559593 A CN 201811559593A CN 109779423 A CN109779423 A CN 109779423A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- rod
- leading
- card hole
- secondary guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
The present invention provides a kind of limited support bar with self-locking function, leading rod and secondary guide rod including the sliding that cooperates, the movable end medial surface of the leading rod is connected with star rotor, and leading rod card hole is offered on the side wall of the leading rod immediately below star rotor；The movable end medial surface of the pair guide rod is installed with baffle, and secondary guide rod card hole is offered on the side wall of the secondary guide rod of leading rod card hole the same side；By baffle, star rotor and leading rod card hole, secondary guide rod card hole cooperation, the locking between leading rod and secondary guide rod or unlock are realized.Secondary guide rod is slided along leading rod, is formed locked point and the force to star rotor, is realized the locking limit function from return type on the door.
Description
Technical field
The present invention relates to a kind of support rods, and in particular to a kind of limited support bar with self-locking function.
Background technique
Support rod is a kind of industry accessories that can play the functions such as buffering, braking, support, height and angular adjustment, is answered
It is more with field.Car escape door is because of its special functional requirement, it is desirable to be able to quickly open, and remain at most after opening
Aperture will not be closed because of applied external force and easily or be reduced to big open position.It is produced in existing dazzling support rod
In product, there is presently no the support rod for meeting car escape door handling characteristics, although some of them support rod can be realized limit
Function, but structure too complex, cannot achieve installation, and price is more expensive on car；There are also some locking functions
Support rod locking and unlocking process it is more troublesome, be not suitable for escape door emergency escape in the case of quick response feature.
Summary of the invention
The present invention, which provides one kind, has the function of that structure is simple, it is self-locking to have and easy from return and locking and unlock operation
Mechanical limited support bar.
The present invention is achieved by the following technical solutions:
A kind of limited support bar with self-locking function, leading rod and secondary guide rod including the sliding that cooperates, the leading rod
Movable end medial surface be connected with star rotor, offered on the side wall of the leading rod immediately below star rotor leading
Bar card hole；The movable end medial surface of the pair guide rod is installed with baffle, positioned at the side wall of the secondary guide rod of leading rod card hole the same side
On offer secondary guide rod card hole；By baffle, star rotor and leading rod card hole, the cooperation of secondary guide rod card hole, realize leading rod and
Locking or unlock between secondary guide rod.
Further scheme, the cross section of the leading rod are groove type, and the cross section of secondary guide rod is " convex " of lower openings
Character form structure, the inside that the pair guide rod is set in leading rod carry out free to slide.
Further scheme, the star rotor are riveted by rivet and leading rod activity, make star rotor around rivet into
Row rotation；Plastic spacer is equipped between the leading rod and star rotor.
The fixing end of further scheme, the leading rod is fixedly connected by hold-down support with door-plate or doorframe；The pair
The fixing end of guide rod is fixedly connected by hold-down support with doorframe or door-plate.
Further scheme, the fixing end of the leading rod offer leading rod fixation hole, the fixing end of the pair guide rod
Offer secondary guide fixing hole.
Further scheme, the axle center of the star rotor leading rod card hole upright projection on the whole, with leading rod
The center of card hole is overlapped；The length of the leading rod card hole and the outer diameter of star rotor match, and leading rod card hole width is not small
In twice of star rotor thickness.
The length of further scheme, the pair guide rod card hole is 1.5-2.5mm bigger than the length of leading rod card hole, secondary guide rod card
The width in hole is equal with the width of leading rod card hole；Between end of the edge away from secondary guide rod movable end of the pair guide rod card hole
The shortest distance, the maximum distance between end of the baffle away from secondary guide rod movable end are equal.
Further scheme, the baffle are to be bent into a right-angle structure after opening up U-shaped mouth in secondary guide rod card hole to be formed
's.
Further scheme, the hold-down support are L-type bending plate, and one end is solid by fixing bolt and door-plate or with doorframe
Fixed connection, the other end are connect by pin shaft with leading rod or secondary guide rod, and the outer end of the pin shaft carries out locking with split pin.
The Design of length of major and minor guide rod card hole and the design of position are to enable star rotor more preferably to realize and turning in the present apparatus
Dynamic, the star rotor in the present apparatus is at least three corner angle and can be around the star topology that rivet is rotated, such as quadrangle
It is starlike, triangle is starlike, Five-pointed star etc..Star rotor can be formed between baffle, secondary guide rod card hole during rotation in this way
Locked point avoids it because continuing to rotate in the case of inertia or external force, realizes locking effect.
Compared with prior art, above-mentioned technical proposal has the advantages that
1, the configuration of the present invention is simple, installation are easy, and easy to use, and cost is relatively low；
2, the present invention is pure mechanic structure, good reliability；
3, a kind of limited support bar with self-locking function provided by the invention, locking and unlocking process, pass through sliding door
The ordinary tap door of body, which acts, to be realized, no other additionals movement operates extremely simple.
4, the present invention is also applied to various fields other than applying on car escape door as components, such as other
The check etc. of door, window etc..
Detailed description of the invention
Fig. 1 is main view of the invention,
Fig. 2 is rearview of the invention,
Fig. 3 is A-A cross-sectional view in Fig. 1,
Fig. 4 is B-B cross-sectional view in Fig. 1,
Fig. 5 is the rearview of the leading rod in the present invention,
Fig. 6 is the bottom view of the leading rod in the present invention,
Fig. 7 is C-C cross-sectional view in Fig. 5,
Fig. 8 is the rearview of the secondary guide rod in the present invention,
Fig. 9 is the bottom view of the secondary guide rod in the present invention,
Figure 10 is D-D cross-sectional view in Fig. 8,
Figure 11 is that leading rod and door-plate pass through hold-down support connection schematic diagram in the present invention,
Figure 12 is present invention installation escape door closed mode schematic diagram,
Figure 13 is present invention installation escape door opening state schematic diagram,
Figure 14-a to Figure 14-h is the major and minor guide rod interaction schematic diagram of the present invention.
Wherein, 1- leading rod, 11- leading rod fixation hole, 12- rivet, 13- star rotor, 14- plastic spacer, 15- are leading
Bar card hole；2- pair guide rod, 21- pair guide fixing hole, 22- baffle, 23- pair guide rod card hole；3- hold-down support, 31- pin shaft, 32-
Split pin；4- door-plate, 5- doorframe, 6- fixing bolt.
Specific embodiment
Embodiments of the present invention are described in detail with reference to the accompanying drawing.
As Figure 1-10 shows, a kind of limited support bar with self-locking function, 1 He of leading rod including the sliding that cooperates
The movable end medial surface of secondary guide rod 2, the leading rod 1 is connected with star rotor 13, immediately below star rotor 13
Leading rod card hole 15 is offered on the side wall of leading rod 1；The movable end medial surface of the pair guide rod 2 is installed with baffle 22, is located at
Secondary guide rod card hole 23 is offered on the side wall of the secondary guide rod 2 of 15 the same side of leading rod card hole；By baffle 22, star rotor 13 with
Leading rod card hole 15, secondary guide rod card hole 23 cooperate, and realize the locking between leading rod 1 and secondary guide rod 2 or unlock.
Further scheme, as shown in figure 3, the cross section of leading rod 1 is groove type, the cross section of secondary guide rod 2 is opened for lower part
The "convex" shaped structure of mouth, the inside that the pair guide rod 2 is set in leading rod 1 carry out free to slide.
Further scheme makes star rotor as shown in fig. 7, star rotor 13 is riveted by rivet 12 and 1 activity of leading rod
13 are rotated around rivet 12；Plastic spacer 14 is equipped between the leading rod 1 and star rotor 13.
The fixing end of further scheme, the leading rod 1 is fixedly connected by hold-down support 3 with door-plate 4 or doorframe 5；Institute
The fixing end for stating secondary guide rod 2 is fixedly connected by hold-down support 3 with doorframe 5 or door-plate 4.
Further scheme, the fixing end of the leading rod 1 offer leading rod fixation hole 11, and the pair guide rod 2 is consolidated
Fixed end offers secondary guide fixing hole 21.
Further scheme, the axle center of the star rotor 13 leading rod card hole 15 upright projection on the whole, with master
The center of guide rod card hole 15 is overlapped, i.e. Fig. 5, the L1=L2 in 6；The length of the leading rod card hole 15 is outer with star rotor 13
Diameter matches, and 15 width of leading rod card hole is not less than twice of 13 thickness of star rotor.
The length of further scheme, the pair guide rod card hole 23 is 1.5-2.5mm bigger than the length of leading rod card hole 15, and pair is led
The width of bar card hole 23 is equal with the width of leading rod card hole 15；The edge of the pair guide rod card hole 23 is away from secondary 2 movable end of guide rod
End between shortest distance L4, the maximum distance L3 between end of the baffle 22 away from secondary 2 movable end of guide rod is equal, such as scheme
8, L3=L4 in 9.
Further scheme, the baffle 22 are to be bent into a right-angle structure after opening up U-shaped mouth in secondary guide rod card hole 23
It is formed.
Further scheme, the hold-down support 3 are L-type bending plate, one end by fixing bolt 6 and door-plate 4 or with door
Frame 5 is fixedly connected, and the other end is connect by pin shaft 31 with leading rod 1 or secondary guide rod 2, the outer end split pin 32 of the pin shaft 31
Carry out locking.
If Figure 11 is the connection schematic diagram that leading rod 1 and door-plate 4 pass through hold-down support 3, hold-down support 3 is L-type bending plate,
One end is fixedly connected by fixing bolt 6 with door-plate 4, and the other end is connect by pin shaft 31 with leading rod, and pin shaft 31 is successively worn
After crossing hold-down support 3, leading rod 1, then pass through split pin 32 for its locking.
The leading rod 1 being set-located, secondary guide rod 2 are mounted on escape door, i.e., passed through the fixing end of leading rod 1 solid
Determine bolt 6 to connect with doorframe 5, the fixing end of secondary guide rod 2 is connected by fixing bolt 6 with door-plate 4.Escape door closes shape
State is as shown in figure 12, and major and minor guide rod is in unlock shape, maximal degree of coincidence；Escape door opening state such as Figure 13 is shown, door-plate
4 pull open, and drive secondary guide rod 2 to extend along leading rod 1, when the star rotor 13 on leading rod 1 touches the baffle on secondary guide rod 2
When 22, realize that door-plate is supported on it and opened most by locking, i.e., major and minor guide rod in the case where baffle 22 and secondary guide rod card hole 23 interact
Big state.Detailed process is as follows:
For convenience of description, major and minor guide rod interaction schematic diagram related in Figure 14 is rotated to being horizontally arranged below, left side is solid
Determine 4 side of door-plate, right side is to fix 5 side of doorframe, the vertical state generally being as in Figure 12,13 in practical application,
Its closing angle with door and change.
As escape door is opened to close to opening angle maximum position, secondary guide rod 2 follows door-plate 4 to continue to stretch, i.e., to the left
Slideslip, when the baffle 22 on secondary guide rod 2 touches star rotor 13, the position as shown in Figure 14-a.Secondary guide rod card hole at this time
23, leading rod card hole 15 is connected, and the pulling force of secondary guide rod 2 drives star rotor 13 to rotate counterclockwise, until rotation to 14-b regards
When figure position, a corner angle of star rotor 13 resist baffle 22, another corner angle is sequentially inserted into secondary guide rod card hole 23, leading rod
After card hole 15, two locked points E, F are formed, to realize locking, secondary guide rod 2 cannot continue to slide, and escape door reaches maximum and opens
Degree；
After escape door reaches maximum opening, when 4 stress of door-plate, then door-plate forces in secondary guide rod 2, slides it to the right, at this time
Although can slide, when it slides into 14-c view location, the EDGE CONTACT of the secondary guide rod card hole 23 of secondary 2 lower section of guide rod is arrived
Star rotor 13 then will drive star rotor 13 and rotate counterclockwise to 14-d view location, the two neighboring rib of star rotor 13
After angle is fully inserted into the secondary guide rod card hole 23 of coincidence, leading rod card hole 15, due to the length and star rotor of leading rod card hole 15
13 outer diameter matches, therefore forms two locked points G, H, to realize locking, secondary guide rod 2 cannot continue to slide, escape door
It is defined in this open position, can not be closed again；Again because from 14-b view location to 14-d view location, secondary guide rod 2
The distance slided is very short, so the open position of escape door is substantially near maximum opening position at this time.
If necessary to close escape door, then door-plate 4 is pulled along enabling direction, drives secondary guide rod 2 to slide to the left, when secondary guide rod
When baffle 22 on 2 touches star rotor 13, such as 14-e view location, then star rotor 13 is driven to rotate counterclockwise, until
It rotates to 14-f view location, under the collective effect of locked point I, J, mechanism locking, secondary guide rod 2 cannot continue to slide to the left,
Opposite direction pushes door-plate (i.e. shutdown direction) at this time, and secondary guide rod 2 is driven to slide to the right, secondary when sliding into 14-g view location
When secondary 23 EDGE CONTACT of guide rod card hole of the lower section of guide rod 2 is to star rotor 13, then drives rotor to rotate counterclockwise, work as star rotor
13 are further rotated to 14-h view location, can not form the locking to secondary guide rod 2, and secondary guide rod 2 then continues to slide to the right,
Until escape door completely closes.Star rotor 13 also returns to initial position shown in 14-a view at this time, opens the door when next time
When then can repeat more than locking and unlocking process, realize the locking limit function from return type on the door.
Above-described is only basic embodiment of the invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be regarded as guarantor of the invention
Protect range.
Claims (9)
1. a kind of limited support bar with self-locking function, leading rod (1) and secondary guide rod (2) including the sliding that cooperates,
Be characterized in that: the movable end medial surface of the leading rod (1) is connected with star rotor (13), is being located at star rotor (13) just
Leading rod card hole (15) are offered on the side wall of the leading rod (1) of lower section；The movable end medial surface of the pair guide rod (2) is installed with
Baffle (22) is located on the side wall of the secondary guide rod (2) of leading rod card hole (15) the same side and offers secondary guide rod card hole (23)；Pass through
Baffle (22), star rotor (13) and leading rod card hole (15), secondary guide rod card hole (23) cooperate, and realize that leading rod (1) and pair are led
Locking or unlock between bar (2).
2. a kind of limited support bar with self-locking function according to claim 1, it is characterised in that: the leading rod
(1) cross section is groove type, and the cross section of secondary guide rod (2) is the "convex" shaped structure of lower openings, and the pair guide rod (2) covers
The inside progress for being located at leading rod (1) is free to slide.
3. a kind of limited support bar with self-locking function according to claim 1, it is characterised in that: the star rotor
(13) it is riveted by rivet (12) and leading rod (1) activity, rotates star rotor (13) around rivet (12)；The master
Plastic spacer (14) are equipped between guide rod (1) and star rotor (13).
4. a kind of limited support bar with self-locking function according to claim 1, it is characterised in that: the leading rod
(1) fixing end is fixedly connected by hold-down support (3) with door-plate (4) or doorframe (5)；The fixing end of the pair guide rod (2) is logical
Hold-down support (3) is crossed to be fixedly connected with doorframe (5) or door-plate (4).
5. a kind of limited support bar with self-locking function according to claim 4, it is characterised in that: the leading rod
(1) fixing end offers leading rod fixation hole (11), and the fixing end of the pair guide rod (2) offers secondary guide fixing hole
(21).
6. a kind of limited support bar with self-locking function according to claim 1, it is characterised in that: the star rotor
(13) axle center leading rod card hole (15) upright projection on the whole be overlapped with the center of leading rod card hole (15)；The master
The length of guide rod card hole (15) and the outer diameter of star rotor (13) match, and leading rod card hole (15) width is not less than star rotor
(13) twice of thickness.
7. a kind of limited support bar with self-locking function according to claim 6, it is characterised in that: the pair guide rod card
The length in hole (23) is 1.5-2.5mm bigger than the length of leading rod card hole (15), the width and leading rod card of secondary guide rod card hole (23)
The width in hole (15) is equal；Most short distance between end of the edge away from secondary guide rod (2) movable end of the pair guide rod card hole (23)
From the maximum distance between end of the baffle (22) away from secondary guide rod (2) movable end is equal.
8. a kind of limited support bar with self-locking function according to claim 1, it is characterised in that: the baffle (22)
It is to be bent into a right-angle structure after opening up U-shaped mouth on secondary guide rod card hole (23) to be formed.
9. a kind of limited support bar with self-locking function according to claim 4, it is characterised in that: the hold-down support
It (3) is L-type bending plate, one end is fixedly connected by fixing bolt (6) with door-plate (4) or with doorframe (5), and the other end passes through pin
Axis (31) is connect with leading rod (1) or secondary guide rod (2), and the outer end of the pin shaft (31) carries out locking with split pin (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559593.XA CN109779423A (en) | 2018-12-20 | 2018-12-20 | A kind of limited support bar with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559593.XA CN109779423A (en) | 2018-12-20 | 2018-12-20 | A kind of limited support bar with self-locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109779423A true CN109779423A (en) | 2019-05-21 |
Family
ID=66497348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811559593.XA Pending CN109779423A (en) | 2018-12-20 | 2018-12-20 | A kind of limited support bar with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306891A (en) * | 2019-05-28 | 2019-10-08 | 安徽安凯汽车股份有限公司 | A kind of limited support bar with self-locking function |
| CN111114658A (en) * | 2019-12-31 | 2020-05-08 | 潍柴动力股份有限公司 | Support device and vehicle with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10254694A1 (en) * | 2002-11-23 | 2004-08-12 | Daimlerchrysler Ag | Motor vehicle sliding door runback locking involves spring and roller reacting to cam plate for lock release when door is pressed to close. |
| KR20080003261U (en) * | 2007-02-07 | 2008-08-12 | 이원재 | Locking Apparatus for Sliding Windows |
| CN201507185U (en) * | 2009-09-17 | 2010-06-16 | 江苏捷诚车载电子信息工程有限公司 | Pull type door limiting device |
| CN203321147U (en) * | 2013-05-06 | 2013-12-04 | 东风商用车有限公司 | Limiting device for emergency door |
| CN106882019A (en) * | 2017-02-20 | 2017-06-23 | 安徽安凯汽车股份有限公司 | It is a kind of from spacing Mechanical stay bar |
| CN108678579A (en) * | 2018-05-10 | 2018-10-19 | 湖南省金为新材料科技有限公司 | A kind of telescopic door and window closer and door and window that a key is closed |
| CN209670608U (en) * | 2018-12-20 | 2019-11-22 | 安徽安凯汽车股份有限公司 | A kind of limited support bar with self-locking function |
-
2018
- 2018-12-20 CN CN201811559593.XA patent/CN109779423A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10254694A1 (en) * | 2002-11-23 | 2004-08-12 | Daimlerchrysler Ag | Motor vehicle sliding door runback locking involves spring and roller reacting to cam plate for lock release when door is pressed to close. |
| KR20080003261U (en) * | 2007-02-07 | 2008-08-12 | 이원재 | Locking Apparatus for Sliding Windows |
| CN201507185U (en) * | 2009-09-17 | 2010-06-16 | 江苏捷诚车载电子信息工程有限公司 | Pull type door limiting device |
| CN203321147U (en) * | 2013-05-06 | 2013-12-04 | 东风商用车有限公司 | Limiting device for emergency door |
| CN106882019A (en) * | 2017-02-20 | 2017-06-23 | 安徽安凯汽车股份有限公司 | It is a kind of from spacing Mechanical stay bar |
| CN108678579A (en) * | 2018-05-10 | 2018-10-19 | 湖南省金为新材料科技有限公司 | A kind of telescopic door and window closer and door and window that a key is closed |
| CN209670608U (en) * | 2018-12-20 | 2019-11-22 | 安徽安凯汽车股份有限公司 | A kind of limited support bar with self-locking function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306891A (en) * | 2019-05-28 | 2019-10-08 | 安徽安凯汽车股份有限公司 | A kind of limited support bar with self-locking function |
| CN111114658A (en) * | 2019-12-31 | 2020-05-08 | 潍柴动力股份有限公司 | Support device and vehicle with same |
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