CN203348248U - Expansion rod fast to operate - Google Patents
Expansion rod fast to operate Download PDFInfo
- Publication number
- CN203348248U CN203348248U CN 201320350773 CN201320350773U CN203348248U CN 203348248 U CN203348248 U CN 203348248U CN 201320350773 CN201320350773 CN 201320350773 CN 201320350773 U CN201320350773 U CN 201320350773U CN 203348248 U CN203348248 U CN 203348248U
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- China
- Prior art keywords
- sleeve pipe
- slide plate
- lockhole
- joint
- type slide
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- Expired - Fee Related
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Abstract
The utility model discloses an expansion rod fast to operate. The expansion rod is fast to operate, easy to machine, large in bearing force and low in cost. The expansion rod comprises a plurality of sections of thick casing pipes, a plurality of sections of thin casing pipes, a locking mechanism and an unlocking mechanism. The cross section of each casing pipe is of a polygon shape or a round shape with a groove or an oval shape with a groove. The locking mechanism comprises locking holes of the casing pipes and omega-shaped sliding pieces of the lower portions in the thin casing pipes. The bottom end of each omega-shaped sliding piece is provided with two lock pins symmetrical from left to right in the mode of forming 180 degrees. By means of the two lock pins at the bottom end of each omega-shaped sliding piece, the expansion rod fast to operate is inserted in the locking holes of the thin casing pipe and the locking holes of the thick casing pipe and locked. The unlocking mechanism comprises an unlocking button of the upper portion of the casing pipe of the first section of the top end, a rotating wheel, a connecting rod and a short pipe sleeve, wherein the rotating wheel, the connecting rod and the short pipe sleeve are connected into the casing pipe. The expansion rod fast to operate is applied to a large number of mechanical devices such as sun umbrellas, umbrellas, canopy frames and goods shelves.
Description
Technical field
The utility model relates to a kind of mechanical device, is specifically related to a kind of quick-expansion bar.
Background technique
Telescopic road locking device commonly used is mainly plastic eccentric or the plastic expansion pipe device of extra heavy pipe inner tubule bottom at present, the dynamics of bearing is little, with just wearing and tearing after a period of time, and locking and must need to twist while unclamping, speed is slow, although umbrella type flexible rod telescopic locking can not be used thick walled tube soon, is not suitable for large intensity stressed, and following thick above thin, below stressedly carefully more easily fracture on the contrary greatly.
The model utility content
The purpose of this utility model is to provide a kind of quick-expansion bar for above-mentioned defect, the locking of energy quick-expansion, and thick, the equal energy of thin walled tube use, be applicable to large intensity stressed as required, below slightly top thin, durable successively.
The technical solution of the utility model is: a kind of quick-expansion bar, comprise several sections of sleeve pipe from coarse to fine and locking framework and unlocking mechanism, the cross section of this sleeve pipe is the circular or oval of polygonal or trough of belt, locking framework comprises the lockhole of sleeve pipe and the Ω type slide plate of the interior bottom of the thin sleeve pipe of every joint, the bottom of Ω type slide plate is two and is the symmetrical lock pin of 180 degree, and unlocking mechanism is located at the I joint sleeve pipe on top.
Described Ω type slide plate is by the metal manufacture and have outside elasticity, and Ω type slide plate is fixed by top and slide plate support, and the slide plate support welding is the bottom tube wall in sleeve pipe.
Described Ω type slide plate itself can not have outside elasticity, break as two-part in Ω type slide plate left and right, top connects with pivot hinge, the axle two ends are fixed on slide plate support top, the slide plate support welding is the bottom tube wall in sleeve pipe, between two lock pins of described Ω type slide plate bottom, laterally be fixed with lock pin top spring.
Described sleeve pipe is by the metal manufacture, every joint sleeve pipe is extra heavy pipe with respect to a upper joint, with respect to next joint, it is tubule, I joint sleeve pipe only has a pair of lockhole in bottom, coxopodite sleeve pipe only has a pair of lockhole in top, and II joint sleeve pipe has several to lockhole up and down, and middle other joint sleeve pipes respectively have a pair of lockhole up and down, every pair of lockhole all is 180 degree bilateral symmetry, and the lockhole central point of all sleeve pipes is all on same longitudinal section.
The cross section of described lock pin matches with the lockhole of thick sleeve pipe and the lockhole of thin sleeve pipe, all from place, two lockholes of thin sleeve pipe foot protrude every pair of lock pin, upwards pull thin sleeve pipe, when the lockhole on lock pin and thick sleeve pipe top is relative, lock pin automatically inserts the lockhole of thick sleeve pipe, locking stretching bar under the effect of outside elastic force.
Described unlocking mechanism comprises unlock button, runner, connecting rod, the short tube cover, unlock button is arranged on I joint sleeve pipe top, runner vertically is arranged in I joint sleeve pipe near unlock button, the two ends of runner shaft are fixed on tube wall, unlock button and runner outer rim upper end chain connection, runner outer rim outboard end chain connection connecting rod, the connecting rod bottom is the short tube cover, in the middle of the cross section on short tube cover top, laterally be fixed with horizontal rod, connecting rod bottom and horizontal rod are flexibly connected, the short tube cover end, is near Ω type slide plate ramp place, the slide plate support of I joint sleeve pipe is vertically fixed with the top spring, withstand horizontal rod in the short tube cover.
The beneficial effects of the utility model are:
1. fast flexible, easy to operate.
2. durable, bearing capacity is strong.
3. simple in structure, be easy to manufacture, cost is low.
4. applied widely.
The accompanying drawing explanation
Fig. 1 is the positive generalized section of overall structure of the present utility model;
Fig. 2 is for being with flexible Ω type slide plate and slide plate support prism schematic diagram;
Fig. 3 is Ω type slide plate and the positive generalized section of slide plate support that is provided with lock pin top spring.
Mark in figure: 1 I joint sleeve pipe, 2 II joint sleeve pipes, 3 III joint sleeve pipes, 4 coxopodite sleeve pipes, 5 unlock buttons, 6 runners, 7 runner shafts, 8 unlock buttons and runner hinge point, 9 runners and connecting rod link point, 10 connecting rods, the Ω type slide plate of 11a I joint sleeve pipe, the Ω type slide plate of 11b II joint sleeve pipe, the Ω type slide plate of 11c III joint sleeve pipe, 12a I joint sleeve pipe two lock pins, 12b II joint sleeve pipe two lock pins, 12c III joint sleeve pipe two lock pins, 13 slide plate supports, 14 short tube covers, 15 horizontal rods, 16 top springs, 17a I joint sleeve pipe bottom two lockholes, 17b II joint sleeve pipe bottom two lockholes, 17c III joint sleeve pipe bottom two lockholes, 18a1, 18a2, three pairs, sleeve pipe top of 18a II joint lockhole, 18b III joint sleeve pipe top two lockholes, the coxopodite sleeve pipe of 18c top two lockholes, the 19 casing shoe mouths of pipe, 20 axles, 21 lock pin top springs.
Embodiment
Below in conjunction with accompanying drawing, four section telescopic bars of take further describe the utility model as example:
In Fig. 1, the quick-expansion bar that the utility model provides, it comprises four joint sleeve pipes 1 from coarse to fine, 2, 3, 4 can be also other several sections of sleeve pipes and locking framework and unlocking mechanism, sleeve pipe 1, 2, 3, 4 cross section is the circular or oval of polygonal or trough of belt, preferably adopt Hexagon, locking framework comprises the lockhole 17a of sleeve pipe, 17b, 17c, 18a, 18a1, 18a2, 18b, 18c and the thin sleeve pipe 1 of three joints, 2, 3, the Ω type slide plate 11a of interior bottom, 11b, 11c, Ω type slide plate 11a, 11b, the bottom of 11c is two and is the symmetrical lock pin 12a of 180 degree, 12b, 12c, unlocking mechanism is located at the I joint sleeve pipe 1 on top.
In Fig. 2, described Ω type slide plate 11a, 11b, 11c are by the metal manufacture and have outside elasticity, and Ω type slide plate 11a, 11b, 11c are fixing by top and slide plate support 13, and slide plate support 13 is welded on bottom tube wall in sleeve pipe.
In Fig. 3, described Ω type slide plate 11a, 11b, 11c itself can not have outside elasticity, break as two-part in Ω type slide plate 11a, 11b, 11c left and right, axle 20 chain connections for top, axle 20 two ends are fixed on slide plate support 13 tops, slide plate support 13 is welded on bottom tube wall in sleeve pipe, between two lock pin 12a of described Ω type slide plate bottom, 12b, 12c, laterally is fixed with lock pin top spring 21.
Described sleeve pipe 1,2,3,4 is by the metal manufacture, every joint sleeve pipe is extra heavy pipe with respect to a upper joint, with respect to next joint, it is tubule, I joint sleeve pipe 1 only has a pair of lockhole 17a in bottom, coxopodite sleeve pipe 4 only has a pair of lockhole 18c in top, II joint sleeve pipe 2 three pairs, a pair of lockhole 17b top, bottom lockhole 18a, 18a1,18a2, and III joint sleeve pipe 3 respectively has a pair of lockhole 18b, 17c up and down, every pair of lockhole all is 180 degree bilateral symmetry, and the lockhole central point of all sleeve pipes is all on same longitudinal section.
The cross section of described lock pin 12a, 12b, 12c matches with lockhole 17a, 17b, the 17c of lockhole 18a, 18a1,18a2,18b, 18c and the thin sleeve pipe of thick sleeve pipe, all from place, two lockhole 17a of thin sleeve pipe foot, 17b, 17c protrude for every couple of lock pin 12a, 12b, 12c, upwards pull thin sleeve pipe 1,2,3, when lockhole 18a1,18b, the 18c on lock pin 12a, 12b, 12c and thick sleeve pipe top is relative, lock pin 12a, 12b, 12c automatically insert lockhole 18a, 18b, the 18c of thick sleeve pipe, locking stretching bar under the effect of outside elastic force.
Described unlocking mechanism comprises unlock button 5, runner 6, connecting rod 10, short tube cover 14, unlock button 5 is arranged on I joint sleeve pipe 1 top, it is interior near unlock button 5 that runner 6 vertically is arranged on I joint sleeve pipe 1, the two ends of runner shaft 7 are fixed on tube wall, unlock button 5 and runner outer rim upper end 8 chain connections, runner outer rim outboard end 9 chain connection connecting rods 10, connecting rod 10 bottoms are short tube covers 14, on short tube cover 14 in the middle of cross section, laterally be fixed with horizontal rod 15, connecting rod 10 bottoms and horizontal rod 15 are flexibly connected, short tube cover bottom is near Ω type slide plate 11a ramp place, the slide plate support 13 of I joint sleeve pipe is vertically fixed with top spring 16, withstand short tube and overlap 14 interior horizontal rods 15.
In Fig. 1, the quick-expansion bar is the elongation lock state, in the time will shrinking the quick-expansion bar, press the unlock button 5 on I joint sleeve pipe 1 top, runner 6 is rotated counterclockwise, drivening rod 10 promotes horizontal rod 15 and short tube cover 14 downwards, short tube cover 14 inserts between Ω type slide plate 11a and tube wall downwards, forcing Ω type slide plate 11a to drive bottom two lock pin 12a inwardly shrinks, two lock pin 12a inwardly pull out from II joint sleeve pipe top two lockhole 18a, at this moment save the interior contraction of sleeve pipe 2 by I joint sleeve pipe 1 to II downwards, between the bottom mouth of pipe 19 insertion II joint sleeve pipe 2 bottom Ω type slide plate 11b and tube wall of I joint sleeve pipe 1, forcing Ω type slide plate 11b to drive bottom two lock pin 12b inwardly shrinks, two lock pin 12b inwardly pull out from III joint sleeve pipe top two lockhole 18b, at this moment II joint sleeve pipe 2 is to the interior contraction of III joint sleeve pipe 3, the same, complete successively and respectively save the sleeve pipe contraction, when needs elongation quick-expansion bar, catch I joint sleeve pipe 1 top upwards to pull out elongation not according to unlock button 5, lock pin 12a when the sleeve pipe bottom, 12b, 12c alignment sleeve top lockhole 18a1, 18b, during 18c, lock pin 12a, 12b, 12c automatically inserts lockhole 18a1 under the effect of elastic force, 18b, the 18c locking, complete the elongation locking of whole quick-expansion bar, if need to increase length, pin unlock button 5 and can continue upwards to elongate I joint sleeve pipe 1, unclamp unlock button 5 when the lockhole 18a2 that moves needs to or 18a height, two lock pin 12a of I joint sleeve pipe 1 bottom automatically insert II and save corresponding lockhole 18a2 or 18a locking.
In the above-described embodiments, better embodiment of the present utility model is described, obviously, under design of the present utility model, still can make a lot of variations.At this, should illustrate, any change of making under design of the present utility model all will fall in protection domain of the present utility model.
Claims (6)
1. a quick-expansion bar, comprise several sections of sleeve pipe from coarse to fine and locking framework and unlocking mechanism, it is characterized in that: described sleeve pipe cross section is the circular or oval of polygonal or trough of belt, locking framework comprises lockhole and the interior bottom of the thin sleeve pipe of the every joint Ω type slide plate of sleeve pipe, the bottom of Ω type slide plate is two and is the symmetrical lock pin of 180 degree, and unlocking mechanism is located at the I joint sleeve pipe on top.
2. quick-expansion bar according to claim 1, it is characterized in that: described Ω type slide plate is by the metal manufacture and have outside elasticity, and Ω type slide plate is fixed by top and slide plate support, and the slide plate support welding is the bottom tube wall in sleeve pipe.
3. quick-expansion bar according to claim 1, it is characterized in that: described Ω type slide plate itself does not have outside elasticity, break as two-part in Ω type slide plate left and right, top connects with pivot hinge, the axle two ends are fixed on slide plate support top, the slide plate support welding is the bottom tube wall in sleeve pipe, between two lock pins of described Ω type slide plate bottom, laterally is fixed with lock pin top spring.
4. quick-expansion bar according to claim 1, it is characterized in that: described sleeve pipe is by the metal manufacture, every joint sleeve pipe is extra heavy pipe with respect to a upper joint, with respect to next joint, be tubule, I joint sleeve pipe only has a pair of lockhole in bottom, and coxopodite sleeve pipe only has a pair of lockhole in top, II joint sleeve pipe has several to lockhole up and down, middle other joint sleeve pipes respectively have a pair of lockhole up and down, and every pair of lockhole all is 180 degree bilateral symmetry, and the lockhole central point of all sleeve pipes is all on same longitudinal section.
5. quick-expansion bar according to claim 1, it is characterized in that: the cross section of described lock pin matches with the lockhole of thick sleeve pipe and the lockhole of thin sleeve pipe, all from place, two lockholes of thin sleeve pipe foot protrude every pair of lock pin, when two lockholes on every pair of lock pin and thick sleeve pipe top when relative, lock pin automatically inserts the lockhole of thick sleeve pipe, locking stretching bar under the effect of outside elastic force.
6. quick-expansion bar according to claim 1, it is characterized in that: described unlocking mechanism comprises unlock button, runner, connecting rod, the short tube cover, unlock button is arranged on I joint sleeve pipe top, runner vertically is arranged in I joint sleeve pipe near unlock button, the two ends of runner shaft are fixed on tube wall, unlock button and runner outer rim upper end chain connection, runner outer rim outboard end chain connection connecting rod, the connecting rod bottom is the short tube cover, in the middle of the cross section on short tube cover top, laterally be fixed with horizontal rod, connecting rod bottom and horizontal rod are flexibly connected, short tube cover bottom is near Ω type slide plate ramp place, the slide plate support of I joint sleeve pipe is vertically fixed with the top spring, withstand horizontal rod in the short tube cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320350773 CN203348248U (en) | 2013-06-19 | 2013-06-19 | Expansion rod fast to operate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320350773 CN203348248U (en) | 2013-06-19 | 2013-06-19 | Expansion rod fast to operate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348248U true CN203348248U (en) | 2013-12-18 |
Family
ID=49748155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320350773 Expired - Fee Related CN203348248U (en) | 2013-06-19 | 2013-06-19 | Expansion rod fast to operate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348248U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235131A (en) * | 2013-06-19 | 2014-12-24 | 巴秀宾 | Quick telescopic bar |
| CN105156421A (en) * | 2015-07-10 | 2015-12-16 | 北京中电兴发科技有限公司 | Multi-section telescopic pipe device |
| CN105249705A (en) * | 2015-10-20 | 2016-01-20 | 千镱金属（中山）有限公司 | Telescopic supporting rod mechanism |
-
2013
- 2013-06-19 CN CN 201320350773 patent/CN203348248U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235131A (en) * | 2013-06-19 | 2014-12-24 | 巴秀宾 | Quick telescopic bar |
| CN105156421A (en) * | 2015-07-10 | 2015-12-16 | 北京中电兴发科技有限公司 | Multi-section telescopic pipe device |
| CN105156421B (en) * | 2015-07-10 | 2018-01-12 | 北京中电兴发科技有限公司 | A kind of Multi-section telescopic casing bit |
| CN105249705A (en) * | 2015-10-20 | 2016-01-20 | 千镱金属（中山）有限公司 | Telescopic supporting rod mechanism |
| CN105249705B (en) * | 2015-10-20 | 2017-12-12 | 千镱金属（中山）有限公司 | A kind of telescoping support linkage |
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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: 20131218 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |