CN105751169B - Foldable support frame - Google Patents
Foldable support frame Download PDFInfo
- Publication number
- CN105751169B CN105751169B CN201410798255.7A CN201410798255A CN105751169B CN 105751169 B CN105751169 B CN 105751169B CN 201410798255 A CN201410798255 A CN 201410798255A CN 105751169 B CN105751169 B CN 105751169B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- leg
- positioning
- pilot pin
- pedal
- 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.)
- Expired - Fee Related
Links
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Abstract
The present invention is a kind of foldable support frame, locating unit mainly is set between two legs being mutually pivotally connected, positioning unit has the second connecting rod of a first connecting rod and a pivot joint first connecting rod, a location-plate is wherein provided with first connecting rod, and an alignment pin is set in second connecting rod, when two leg proceeds by folding, the first pedal of second connecting rod is connected to force first by trampling one, second connecting rod is close towards each other, two leg can be positioned at a collapsed position when alignment pin is connected in location-plate, if deploy two leg, change into and trample second pedal for being hubbed at second connecting rod, the second pedal is set to pull alignment pin to release the clamping relation between alignment pin and location-plate, now two leg can be switched to an expanded position.
Description
Technical field
The present invention is relevant with to support the support frame of machining equipment, particularly relates to a kind of foldable support frame.
Background technology
For general small processing equipment, it can move and use between different operating place for convenience,
It is generally configured with deploying in terms of for supporting the support frame of machining machine and tool and the dual-purpose type of folding designs.
For the prior art related to support frame, if TaiWan, China patent of invention Reference Number 1289101 is to utilize pedal
Four connecting rods are driven, then drive a wheel seat to support whole pedestal from the ground respectively by four connecting rods, but wheel seat needs to have
Have enough structural strengths and can be only achieved expected effect.In addition in United States Patent (USP) Reference Number US6,607,015, although can
Leg is subject to folding, but because the bottom of leg lacks the configuration of roller, so that can not be together with after folding is completed
Equipment is carried together, is using the upper place for still having inconvenience.For another example United States Patent (USP) Reference Number US6,942,229 completes leg
Reach the effect of carrying machines and tool using the rolling of roller after folding, but needed in operation by whole equipment overturn to
Leg could be folded after ground is vertical, because the weight of equipment is much larger than foot stool, so in the process of upset equipment
In be easy to cause danger to operating personnel.
The content of the invention
It is a primary object of the present invention to provide a kind of foldable support frame, its simple in construction and rapid operation, and have
There are good safety in utilization and structural stability.
In order to reach above-mentioned purpose, support frame of the invention includes a support unit, locating unit, and a control
Unit.The support unit has one first leg and one second leg, between first, second leg in a manner of cross one another
It is articulated so that can the start between an expanded position and a collapsed position between first, second leg；The positioning list
Member has a first connecting rod, a second connecting rod, a location-plate, a pilot pin, and an elastic component, wherein：The first connecting rod
One end and one end of the second connecting rod are mutually articulated, the other end of the first connecting rod and the other end of the second connecting rod point
First, second leg is not pivotally connected, moreover, the second connecting rod has a guide groove；The location-plate is in the first connecting rod and has
There is a positioning hole；The pilot pin is connected to the second connecting rod by a pilot plug, the pilot plug be movably arranged in this second
In the guide groove of connecting rod, moreover, the pilot pin has a positioning end, when first, second leg is located at the expanded position, this is fixed
The positioning end of position bolt departs from the positioning hole of the location-plate, and when first, second leg is located at the collapsed position, the pilot pin is inserted
In the positioning hole of the location-plate；The elastic component is located at the pilot pin, to be located at the folding position in first, second leg
The positioning end of the pilot pin is maintained in the positioning hole of the location-plate when putting；The control unit has one first pedal and one the
Two pedals, first pedal are connected to the one end of the second connecting rod away from the first connecting rod, to drive the second connecting rod towards this
First connecting rod pivots, and one end of second pedal is hubbed at the second connecting rod, and the other end of second pedal has a deep-slotted chip breaker,
The deep-slotted chip breaker is worn by the pilot plug so that second pedal can pull the pilot plug to interlock the positioning by the deep-slotted chip breaker
Bolt departs from the positioning hole of the location-plate.
In an embodiment of the present invention, the location-plate have one it is horizontal stretch wall, a upstanding wall, and one tiltedly stretches wall, and this is horizontal to stretch
Wall is connected to the first connecting rod, and for the upstanding wall from the horizontal one end for stretching wall towards down extending and having the positioning hole, this tiltedly stretches wall
Extension is down tilted from the bottom of the upstanding wall.Thus, when first, second leg is from the expanded position towards the collapsed position pivot
When turning, the location-plate tiltedly stretches wall and can gradually push the positioning end of the pilot pin, once the location-plate tiltedly to stretch wall fixed by this
After the positioning end of position bolt, the pilot pin can be acted on by the elastic force of the elastic component and be inserted in the location-plate by the positioning end
Positioning hole in, first, second leg is positioned at into the collapsed position.
Brief description of the drawings
Fig. 1 is the present invention in the stereogram of expanded position.
Fig. 2 is the sectional perspective exploded view of the present invention.
Fig. 3 is the partial sectional view of the control unit of the present invention, the main shape for showing the relative expansion of first, second connecting rod
State.
Fig. 4 is analogous to Fig. 3, main to show the relative state folded of first, second connecting rod.
Fig. 5 is analogous to Fig. 4, the main state for showing first, second connecting rod after folding relatively and completing positioning.
Fig. 6 is the present invention in the stereogram of collapsed position.
Fig. 7 is analogous to Fig. 5, the main state for showing the relative expansion of first, second connecting rod.
【Symbol description】
The support unit of 10 support frame 20
The leg of 21 first leg 22 second
The cross bar of 23 first cross bar 24 second
P1 expanded position P2 collapsed positions
The supporting pad of 25 carrying platform 26
The positioning unit of 27 roller 30
The second connecting rod of 31 first connecting rod 32
33 location-plates 332 are horizontal to stretch wall
334 upstanding walls 336 tiltedly stretch wall
338 positioning holes 34 position bolt seat
342 roofs 344,346 end walls
348 35 pilot pins of perforation
The connection end of 352 positioning end 354
The elastic component of 356 catching groove 36
The clasp of 37 pilot plug 38
The pedal of 40 control unit 41 first
The deep-slotted chip breaker of 42 second pedal 422
The pivot of 50 first pivot 51 second
The pivot of 52 the 3rd pivot 53 the 4th
Embodiment
Fig. 1 and Fig. 2 is referred to, support frame 10 of the invention includes a support unit 20, locating unit 30, Yi Jiyi
Control unit 40.
Support unit 20 has one first leg 21 and one second leg 22, mutually to hand between first, second leg 22
The mode of fork is articulated so that first, second leg 21,22 can between an expanded position P1 and a collapsed position P2 pivot
Turn.In addition, the bottom of the first leg 21 has one first cross bar 23, the bottom of the second leg 22 has one second cross bar 24, and
And support unit 20 also has a carrying platform 25, two supporting pads 26, and second wheel 27, carrying platform 25 is arranged in first,
The top of second leg 21,22, to accept a machining machine and tool (not shown), two supporting pad 26 is located at the first leg 21
Bottom, to be contacted with ground, the second wheel 27 is located at the bottom of the second leg 22, to provide operation to support unit 20
Effect.
As shown in Figures 2 and 3, positioning unit 30 has a first connecting rod 31, a second connecting rod 32, a location-plate 33, one
Bolt seat 34, a pilot pin 35, and an elastic component 36 are positioned, wherein：
One end of first connecting rod 31 is articulated in the first cross bar 23 of the first leg 21, second connecting rod by one first pivot 50
32 one end is articulated in the second cross bar 24 of the second leg 22 by one second pivot 51, moreover, the other end of first connecting rod 31
It is articulated between the other end of second connecting rod 32 by one the 3rd pivot 52, in addition, the center of second connecting rod 32 has
One guide groove 322, the length direction of the bearing of trend of guide groove 322 parallel to second connecting rod 32.
Location-plate 33 be located in first connecting rod 31 and with one it is horizontal stretch wall 332, a upstanding wall 334, and one tiltedly stretches wall
336, the horizontal medial surface stretched wall 332 and be connected to first connecting rod 31, one end that upstanding wall 334 stretches wall 332 from horizontal towards down extension and
With a positioning hole 338, tiltedly stretch wall 336 and down tilt extension from the bottom of upstanding wall 334.
Positioning bolt seat 34 is located in second connecting rod 32 and has a roof 342 and two end walls 344,346, and roof 342 connects
In the medial surface of second connecting rod 32, two end wall 344,346 is vertically connected to the both ends of roof 342 and has a perforation respectively
348。
Pilot pin 35 is arranged in two perforation 348 of positioning bolt seat 34 and has a positioning end 352 and a connection end
354, positioning end 352 and connection end 354 protrude from two end wall 344,346 for positioning bolt seat 34 respectively, moreover, connection end 354
Second connecting rod 32 is connected to by a pilot plug 37, pilot plug 37 is arranged in the guide groove 322 of second connecting rod 32 so that pilot pin
35 can be moved relative to second connecting rod 32, in addition, the center of pilot pin 35 has a catching groove 356, a clasp is provided with catching groove 356
38。
Elastic component 36 is sheathed on pilot pin 35 and is resisted against wherein between an end wall 346 and clasp 38 of bolt seat 34 of positioning,
Pilot pin 35 to be promoted towards the direction of location-plate 33.
Control unit 40 has one first pedal 41 and one second pedal 42.It is remote that first pedal 41 is connected to second connecting rod 32
From the end face of first connecting rod 31；Second pedal 42 covers at the top surface of second connecting rod, moreover, one end of the second pedal 42 passes through
One the 4th pivot 53 is hubbed at second connecting rod 32, and the other end of the second pedal 42 has one to be directed to the deep-slotted chip breaker that bolt 37 is worn
422。
From said structure, when wanting first, second leg 21,22 of folding, the first pedal 41 is trampled with single pin first,
Simultaneously up promote the first leg 21, make first, second connecting rod 31,32 by first, second leg 21,22 be pivoted relative to each other and
It is close towards each other.During first, second connecting rod 31,32 is close towards each other, as shown in figure 4, location-plate 33 tiltedly stretches wall
336 can touch the positioning end 352 of pilot pin 35 and persistently push the positioning end 352 of pilot pin 35, make pilot pin 35 by leading
Draw the relation between bolt 37 and guide groove 322 and moved towards the direction of the first pedal 41, elastic component 36 now can be arranged on calmly
The clasp 38 of position bolt 35 is compressed to accumulate restoring force, once close to allowing location-plate 33 between first, second connecting rod 31,32
When tiltedly stretching wall 336 by the positioning end 352 of pilot pin 35, elastic component 36 can impose thrust to pilot pin 35, make pilot pin 35
Positioning end 352 is inserted in the positioning hole 338 of location-plate 33, as shown in figure 5, consequently, it is possible to first, second leg 21,22 is
Collapsed position P2 as shown in Figure 6 can be positioned at by the clamping between first, second connecting rod 31,32, at this time can
Whole support frame 10 is connected into equipment through roller 27 and moves appropriate position..
Changed into when to deploy first, second leg 21,22 and trample the second pedal 42, make the second pedal 42 towards second connecting rod
32 direction pivots, and can pull pilot plug 37 by deep-slotted chip breaker 422 during the second pedal 42 pivots along second connecting rod
32 guide groove 322 can synchronously pull pilot pin 35, it is fixed to make towards the direction of remotely located plate 33 during pilot plug 37 moves
The positioning end 352 of position bolt 35 departs from the positioning hole 338 of location-plate 33 and releases the clamping between first, second connecting rod 31,32 and close
System, as shown in fig. 7, can at this time deploy to first, second leg 21,22, until first, second connecting rod 31,32 it
Between when horizontality as shown in Figure 3 is presented, first, second leg 21,22 is completed expanded position P1's (as shown in Figure 1)
Positioning.
In summary, support frame 10 of the invention controls first, second company respectively by first, second pedal 41,42
Folding and deploying for bar 31,32, completes first, second connecting rod by the cooperation between pilot pin 35 and location-plate 33 again in addition
31st, 32 positioning is with separating, and with commonly using Patent Case by contrast, the present invention can effectively simplify structure, is not required in operation
Expending too many strength just can complete the expansion and folding of first, second leg 21,22, while can also avoid carrying out equipment
Rotary movement, to reach the purpose of increase safety in utilization and structural stability.
Claims (6)
1. a kind of foldable support frame, it includes：
One support unit, has one first leg and one second leg, and first, second leg is articulated in one with intersecting
Rise so that can be acted between first, second leg between an expanded position and a collapsed position；
Locating unit, there is a first connecting rod and a second connecting rod, one end of the first connecting rod and one end of the second connecting rod
Mutually it is articulated, the other end of the first connecting rod is pivotally connected first, second leg respectively with the other end of the second connecting rod；
Wherein, foldable support frame, it is characterised in that include：
The positioning unit, also with a location-plate and a pilot pin, the second connecting rod has a guide groove, the location-plate located at this
In one connecting rod and there is a positioning hole, the pilot pin is connected to the second connecting rod by a pilot plug, and the pilot plug is movably
It is arranged in the guide groove of the second connecting rod, the pilot pin has a positioning end, when first, second leg is located at the expanded position
When, the positioning end of the pilot pin departs from the positioning hole of the location-plate, should when first, second leg is located at the collapsed position
Pilot pin is inserted in the positioning hole of the location-plate；And
One control unit, has one first pedal and one second pedal, first pedal be connected to the second connecting rod away from this
The end face of one connecting rod, to drive the second connecting rod to be pivoted towards the first connecting rod, one end of second pedal be hubbed at this
Two connecting rods, the other end of second pedal connect the pilot plug so that second pedal can drive the positioning by the pilot plug
Bolt departs from the positioning hole of the location-plate.
2. foldable support frame as claimed in claim 1, it is characterised in that the location-plate has a horizontal wall, one upright stretched
Wall, and one tiltedly stretch wall, the horizontal wall of stretching is connected to the first connecting rod, the upstanding wall from the horizontal one end for stretching wall towards down extension and
With the positioning hole, this is tiltedly stretched wall and down tilts extension from the bottom of the upstanding wall, in first, second leg from the exhibition
Open position promotes the positioning end of the pilot pin when being switched to the collapsed position.
3. foldable support frame as claimed in claim 1 or 2, it is characterised in that the positioning unit also has an elastic component,
The elastic component is located at the pilot pin, to when first, second leg is located at the collapsed position by the positioning end of the pilot pin
It is maintained in the positioning hole of the location-plate.
4. foldable support frame as claimed in claim 3, it is characterised in that the positioning unit also has a positioning bolt seat,
The pilot pin seat tool has a roof and two end walls, and two end wall is relatively connected to the both ends of the roof and has one to wear respectively
Hole, the pilot pin are movably arranged in two perforation and have a catching groove；The elastic component is sheathed on the pilot pin and contact
Between wherein the one of the positioning bolt seat end wall and a clasp, the clasp is in the catching groove of the pilot pin.
5. foldable support frame as claimed in claim 1, it is characterised in that second pedal has a deep-slotted chip breaker, the arc
Shape groove is worn by the pilot plug so that second pedal can pull the pilot plug to be taken off to interlock the pilot pin by the deep-slotted chip breaker
From the positioning hole of the location-plate.
6. foldable support frame as claimed in claim 1, it is characterised in that the support unit also have a carrying platform,
Two supporting pads, and second wheel, the carrying platform are arranged in the top of first, second leg, two supporting pad located at this
The bottom of one leg, the second wheel are located at the bottom of second leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798255.7A CN105751169B (en) | 2014-12-19 | 2014-12-19 | Foldable support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798255.7A CN105751169B (en) | 2014-12-19 | 2014-12-19 | Foldable support frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105751169A CN105751169A (en) | 2016-07-13 |
| CN105751169B true CN105751169B (en) | 2018-02-06 |
Family
ID=56340804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410798255.7A Expired - Fee Related CN105751169B (en) | 2014-12-19 | 2014-12-19 | Foldable support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105751169B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978114A (en) * | 1959-02-09 | 1961-04-04 | Nye Tool Company | Folding tripod with folding platform |
| US6607015B1 (en) * | 2002-05-09 | 2003-08-19 | Rexon Industrial Corp., Ltd. | Foldable worktable |
| CN1830634A (en) * | 2005-03-08 | 2006-09-13 | 绍博有限公司 | Tool trolley |
| CN1830633A (en) * | 2005-03-08 | 2006-09-13 | 绍博有限公司 | Tool trolley |
| CN100398902C (en) * | 2003-10-31 | 2008-07-02 | 创科实业有限公司 | Collapsible stand for a bench-top power tool |
| TW201231210A (en) * | 2011-01-19 | 2012-08-01 | P & F Brother Ind Corp | Foldable machine chassis |
| CN102632492A (en) * | 2011-02-14 | 2012-08-15 | 力山工业股份有限公司 | Loading table with foldable support legs |
-
2014
- 2014-12-19 CN CN201410798255.7A patent/CN105751169B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978114A (en) * | 1959-02-09 | 1961-04-04 | Nye Tool Company | Folding tripod with folding platform |
| US6607015B1 (en) * | 2002-05-09 | 2003-08-19 | Rexon Industrial Corp., Ltd. | Foldable worktable |
| CN100398902C (en) * | 2003-10-31 | 2008-07-02 | 创科实业有限公司 | Collapsible stand for a bench-top power tool |
| CN1830634A (en) * | 2005-03-08 | 2006-09-13 | 绍博有限公司 | Tool trolley |
| CN1830633A (en) * | 2005-03-08 | 2006-09-13 | 绍博有限公司 | Tool trolley |
| TW201231210A (en) * | 2011-01-19 | 2012-08-01 | P & F Brother Ind Corp | Foldable machine chassis |
| CN102632492A (en) * | 2011-02-14 | 2012-08-15 | 力山工业股份有限公司 | Loading table with foldable support legs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105751169A (en) | 2016-07-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |