CN102039586B - Positioning device for support frame - Google Patents
Positioning device for support frame Download PDFInfo
- Publication number
- CN102039586B CN102039586B CN200910206319A CN200910206319A CN102039586B CN 102039586 B CN102039586 B CN 102039586B CN 200910206319 A CN200910206319 A CN 200910206319A CN 200910206319 A CN200910206319 A CN 200910206319A CN 102039586 B CN102039586 B CN 102039586B
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- axostylus axostyle
- handle
- positioning seat
- eccentric
- perforation
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Abstract
The invention discloses a positioning device for a support frame, which mainly comprises a positioning seat, a shaft rod arranged at the positioning seat, a handle pivoted on the shaft rod and a positioning member sleeved on the handle. The positioning member can move toward an extension rod of the support frame to compact the extension rod under the driving of a cam part of the handle, so that the extension rod is positioned.
Description
Technical field
The present invention is relevant with the bracing frame that is used for saw cutting implement, particularly relevant for a kind of positioner that is used for bracing frame.
Background technology
See also a kind of bracing frame 10 that is used for saw cutting implement shown in Figure 1, consist predominantly of the pair of support rods 12 that is parallel to each other, and can be relatively two pairs of legs 14 pivoting of this two support bar 12.In order to carry the saw cutting implement of different size, bracing frame 10 is installed an extension rod 16 more respectively in each support bar 12, and this two extension rod 16 can cooperate the size of the saw cutting implement that the institute desire carries and outwards is drawn out to needed length respectively.
When this two extension rod 16 outwards is drawn out to needed length, normally two plastic cap screws 18 are bolted in a wherein support bar 12 respectively, the location that makes plastic cap screw 18 accomplish each extension rod 16 with its terminal packing extension rod 16.Yet,, make extension rod 16 under the situation that receives 18 packings of plastic cap screw, still might produce and rock, and then have influence on the security of saw cutting implement in operation process easily because 18 locating effects that can provide of plastic cap screw are quite limited.
Summary of the invention
Main purpose of the present invention is to provide a kind of positioner that is used for bracing frame, and it can provide advantages of good positioning effect, and can adjust to optimal user mode according to actual needs.
For reaching above-mentioned purpose, positioner of the present invention includes a positioning seat, an axostylus axostyle, leader, and positioning piece.This positioning seat has a perforation; This axostylus axostyle is arranged in this positioning seat; This handle has the eccentric orfice that a cam part and runs through this cam part, and is sheathed on the eccentric axial portion of this axostylus axostyle pivotly with this eccentric orfice; This keeper has a trepanning and is sheathed on the cam part of this handle with this trepanning.
When an extension rod of this bracing frame extends via the perforation of this positioning seat,, this keeper of cam part drive of this handle is moved, towards this extension rod in order to the location that this extension rod is accomplished in this extension rod packing through the pivot of this handle.In addition, positioner of the present invention more can provide the pivot elasticity of this handle of adjustment element adjustment, increases the convenience in the use to cooperate different demands.
A kind of positioner that is used for bracing frame of the present invention sees through the drive of cam, makes keeper can give the extension rod advantages of good positioning effect of bracing frame, in order to provide saw cutting implement enough safety in utilization; In addition, positioner of the present invention eccentric manner capable of using is adjusted to optimal tightness with handle, to increase the convenience of use.
Description of drawings
Fig. 1 is the stereogram of existing bracing frame;
Fig. 2 is the stereogram of the bracing frame of application the present invention first preferred embodiment;
Fig. 3 is the partial enlarged drawing of Fig. 2, mainly shows the stereogram of the present invention's first preferred embodiment;
Fig. 4 is the three-dimensional exploded view of the present invention's first preferred embodiment;
Fig. 5 mainly shows the state after handle presses down for the cutaway view of the present invention's first preferred embodiment;
Fig. 6 mainly shows the state that handle does not press down for another cutaway view of the present invention's first preferred embodiment;
Fig. 7 is the side view cutaway drawing of the present invention's first preferred embodiment, mainly shows the state of bolt locking;
Fig. 8 mainly shows the state that bolt unscrews for another side view cutaway drawing of the present invention's first preferred embodiment;
Fig. 9 is the stereogram of the present invention's second preferred embodiment;
Figure 10 is the three-dimensional exploded view of the present invention's second preferred embodiment;
Figure 11 is the side view cutaway drawing of the present invention's second preferred embodiment;
Figure 12 mainly shows the state that axostylus axostyle is outwards pulled out for the side view cutaway drawing of the present invention's second preferred embodiment.
The main element symbol description
" first embodiment "
Bracing frame 20 extension rods 22
Positioner 30 positioning seats 40
402 pedestals 42 of boring a hole
Fixing hole 422 protuberances 424
First square opening, 426 lids 44
Eccentric axial portion 522 tooth portions 524
Handle 60 pulling parts 62
Keeper 70 trepannings 72
Elongated slot 74 bearing surfaces 76
" second embodiment "
Positioner 80 positioning seats 82
Fixing hole 822 perforations 824
Groove 826 handles 84
Eccentric axial portion 922 afterbodys 924
Tooth portion 926 handles 94
Clasp 96 elastic components 98
The specific embodiment
In order to specify structure of the present invention, characteristic and effect place, lift now the explanation of following preferred embodiment and conjunction with figs. as after.
See also Fig. 2 to Fig. 4, be the positioner 30 that the present invention's first preferred embodiment is provided, mainly be installed on a bracing frame 20, include a positioning seat 40, and adjust element 50, leader 60, and positioning piece 70.
Positioning seat 40 has a pedestal 42 and a lid 44.Pedestal 42 from top to bottom has a fixing hole 422, a protuberance 424 and one first square opening 426 in regular turn; Lid 44 is locked in a side of pedestal 42; And have a perforation 441 and one second square opening 443; Wherein, Coaxial corresponding fixing hole 422, the second square openings 443 of perforation 441 be communicated with first square openings 426 and form one run through positioning seat 40 perforation 402, use a extension rod 22 to wear for bracing frame 20.
Please cooperate and consult Fig. 4 and Fig. 7, adjustment element 50 has an axostylus axostyle 52, a bolt 54, a nut 56 and an elastic component 58.Axostylus axostyle 52 has an eccentric axial portion 522 and a tooth portion 524 in abutting connection with eccentric axial portion 522; Bolt 54 passes axostylus axostyle 52 and the fixing hole 422 that passes positioning seat 40 with its end is spirally connected with nut 56; And can between the pedestal 42 of nut 56 and positioning seat 40, be arranged with a pad 526; When bolt 54 lockings; Axostylus axostyle 52 will receive the drive of bolt 54 and force the tooth portion 524 of axostylus axostyle 52 and perforation 441 engagements of positioning seat 40, and axostylus axostyle 52 can't be rotated, and is as shown in Figure 7; Elastic component 58 is sheathed on bolt 54; And push up respectively to the end of the pedestal of positioning seat 40 42 with axostylus axostyle 52 with its two ends; When bolt 54 unscrews; Axostylus axostyle 52 will receive the promotion of elastic component 58 and force the tooth portion 524 of axostylus axostyle 52 and perforation 441 disengagings of positioning seat 40, and is as shown in Figure 8, makes axostylus axostyle 52 rotatable.
When the extension rod 22 of bracing frame 20 outwards is drawn out to needed length; The pulling part 62 of handle 60 is pressed down; The cam part 64 of handle 60 will the big footpath section with itself promote keeper 70 through the downward pivot of handle 60, and is as shown in Figure 5, and keeper 70 is moved towards extension rod 22; Till the bearing surface 76 packing extension rods 22 of keeper 70, the location of so just accomplishing extension rod 22.
When the length of the extension rod 22 that will adjust bracing frame 20 again; The pulling part 62 of pulling handle 60 as long as make progress; 64 of the cam part of handle 60 can be removed the thrust of bestowing keeper 70 originally through upwards pivoting of handle 60; Simultaneously drive keeper 70 and move towards direction away from extension rod 22 with big footpath section itself, as shown in Figure 6, make extension rod 22 can not receive the packing of keeper 70 and can adjust length arbitrarily.
On the other hand; If will adjust the tightness of handle 60 when pressing down, the bolt 54 that at first utilizes a screwdriver will adjust element 50 unscrews, and elastic component 58 at this moment will ejection axostylus axostyle 52; Make the tooth portion 524 of axostylus axostyle 52 and perforation 441 disengagings of positioning seat 40, as shown in Figure 8.At this moment; If during the tightness in the time of will increasing handle 60 and press down; Towards rotating clockwise, axostylus axostyle 52 can be with the big footpath section of eccentric axial portion 522 eccentric orfice 66 hole walls of packing handle 60 gradually, on the contrary in rotating process with axostylus axostyle 52; If during the tightness in the time of will reducing handle 60 and press down, then be that axostylus axostyle 52 is rotated towards counterclockwise.In case when adjusting to suitable elasticity,, make the tooth portion 524 of axostylus axostyle 52 promptly accomplish adjustment with perforation 441 engagements of positioning seat 40 once again as long as utilize screwdriver again with bolt 54 lockings, as shown in Figure 7.
Please consult Fig. 9 to Figure 10 again, be the positioner 80 of the present invention's second preferred embodiment, its primary structure and the foregoing description are roughly the same, and the process of packing extension rod is also same as the previously described embodiments, but its difference is to adjust the difference of element.
The adjustment element 90 of present embodiment dispenses the design of bolt and nut and has an axostylus axostyle 92, a handle 94, a clasp 96, and an elastic component 98.
Please cooperate and consult Figure 11; Axostylus axostyle 92 has the afterbody 924 that an eccentric axial portion 922, protrudes in eccentric axial portion 922, and a tooth portion 926 in abutting connection with eccentric axial portion 922, wherein; Afterbody 924 passes the fixing hole 822 of positioning seat 82, and 926 in tooth portion is engaged in the perforation 824 of positioning seat 82.
Handle 94 is connected in the tooth portion 926 of axostylus axostyle 92; Can receive the effect of external force to drive axostylus axostyle 92 moves axially along itself; The tooth portion 926 of axostylus axostyle 92 can be driven axostylus axostyle 92 and rotate through the moving and perforation 824 engagements of positioning seat 82 or separate of axostylus axostyle 92 in the time of also can separating with the perforation 824 of positioning seat 82 in the tooth portion 926 of axostylus axostyle 92 simultaneously.
Clasp 96 is buckled in the afterbody 924 of axostylus axostyle 92, breaks away from positioning seat 82 in order to avoid axostylus axostyle 92.
Elasticity in the time will adjusting handle 84 and press down forces in handle 94 earlier axostylus axostyle 92 is outwards pulled out, and makes the tooth portion 926 of axostylus axostyle 92 break away from the perforation 824 of positioning seats 82; Shown in figure 12; So just rotatable axostylus axostyle 92 when adjusting to needed elasticity, is removed the pulling force of bestowing axostylus axostyle 92 again; The axostylus axostyle 92 of this moment will be let the tooth portion 926 of axostylus axostyle 92 and the perforation 824 of positioning seat 82 mesh by the pulling of the elastic force of elastic component 98, and is shown in figure 11.
Comprehensive the above, positioner of the present invention sees through the drive of cam, makes keeper can give the extension rod advantages of good positioning effect of bracing frame, in order to provide saw cutting implement enough safety in utilization; In addition, positioner of the present invention eccentric manner capable of using is adjusted to optimal tightness with handle, to increase the convenience of use.
The present invention is in the composed component of preceding taking off among the embodiment to be disclosed, is merely to illustrate, and be not to be used for limiting scope of the present invention, the substituting or change of other equivalence element, the protection domain that also should be claims of the present invention is contained.
Claims (3)
1. positioner that is used for bracing frame, this bracing frame have one can outward extending extension rod, it is characterized in that this positioner includes:
One positioning seat has a perforation, uses for this extension rod to wear;
One axostylus axostyle is arranged in this positioning seat;
The leader has the eccentric orfice that a cam part and runs through this cam part, and is sheathed on this axostylus axostyle pivotly with this eccentric orfice;
Positioning piece has a trepanning, and is sheathed on the cam part of this handle with this trepanning, receives this extension rod of drive packing of the cam part of this handle through the pivot of this handle; And
One adjustment element, this adjustment element has this axostylus axostyle, a bolt, a nut and an elastic component; This bolt is arranged in this axostylus axostyle; And pass a fixing hole of this positioning seat and be spirally connected with this nut with its end; This axostylus axostyle have one be arranged in the eccentric orfice of this handle an eccentric axial portion and a tooth portion in abutting connection with this eccentric axial portion; This elastic component is sheathed on this bolt, and this positioning seat and this axostylus axostyle are supported in the top respectively; When this bolt locking; This axostylus axostyle is with a perforation of this tooth portion this positioning seat of engagement; Make the eccentric axial portion eccentric orfice rotation of this handle relatively of this axostylus axostyle; When this bolt unscrewed, this axostylus axostyle can receive the promotion of this elastic component and force this tooth portion to break away from the perforation of this positioning seat, makes the eccentric axial portion eccentric orfice rotation of this handle relatively of this axostylus axostyle.
2. positioner that is used for bracing frame, this bracing frame have one can outward extending extension rod, it is characterized in that this positioner includes:
One positioning seat has a perforation, uses for this extension rod to wear;
One axostylus axostyle is arranged in this positioning seat;
The leader has the eccentric orfice that a cam part and runs through this cam part, and is sheathed on this axostylus axostyle pivotly with this eccentric orfice;
Positioning piece has a trepanning, and is sheathed on the cam part of this handle with this trepanning, receives this extension rod of drive packing of the cam part of this handle through the pivot of this handle; And
One adjustment element; This adjustment element has this axostylus axostyle, a handle and a clasp; Wherein, This axostylus axostyle has one and is arranged in the eccentric axial portion of the eccentric orfice of this handle, the afterbody and the tooth portion in abutting connection with this eccentric axial portion of outstanding this eccentric axial portion, and this handle connects the tooth portion of this axostylus axostyle and can drive this axostylus axostyle along itself axial moving, and this clasp is buckled in the afterbody of this axostylus axostyle; The afterbody of this axostylus axostyle passes a fixing hole of this positioning seat; The tooth portion of this axostylus axostyle is through the perforation engagement or the disengaging of mobile and this positioning seat of this axostylus axostyle; When the tooth portion of this axostylus axostyle and the perforation engagement of this positioning seat; The eccentric axial portion of this axostylus axostyle eccentric orfice of this handle is relatively rotated, and when the tooth portion of this axostylus axostyle and the perforation disengaging of this positioning seat, the eccentric axial portion of this axostylus axostyle eccentric orfice of this handle is relatively rotated.
3. the positioner that is used for bracing frame as claimed in claim 2; It is characterized in that; Said adjustment element also includes an elastic component, and this positioning seat has a groove, and this elastic component is sheathed on the afterbody of this axostylus axostyle; And the bottom of this clasp and this groove is supported on the top respectively, provides tooth portion and the perforation maintenance of this positioning seat of elastic force with this axostylus axostyle to be meshing with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910206319A CN102039586B (en) | 2009-10-13 | 2009-10-13 | Positioning device for support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910206319A CN102039586B (en) | 2009-10-13 | 2009-10-13 | Positioning device for support frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102039586A CN102039586A (en) | 2011-05-04 |
| CN102039586B true CN102039586B (en) | 2012-09-26 |
Family
ID=43906284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910206319A Active CN102039586B (en) | 2009-10-13 | 2009-10-13 | Positioning device for support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102039586B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959842A (en) * | 2015-05-26 | 2015-10-07 | 苏州市新大地五金制品有限公司 | Extension pipe locking mechanism |
| CN110539028B (en) * | 2018-05-29 | 2021-05-11 | 力山工业股份有限公司 | Auxiliary handle positioning mechanism of portable band saw machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198081Y (en) * | 1994-08-27 | 1995-05-24 | 郑文和 | Chuck of working bench |
| CN2529806Y (en) * | 2001-11-19 | 2003-01-08 | 陈钦娇 | Regulator of handle |
| CN1830634A (en) * | 2005-03-08 | 2006-09-13 | 绍博有限公司 | Tool trolley |
-
2009
- 2009-10-13 CN CN200910206319A patent/CN102039586B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198081Y (en) * | 1994-08-27 | 1995-05-24 | 郑文和 | Chuck of working bench |
| CN2529806Y (en) * | 2001-11-19 | 2003-01-08 | 陈钦娇 | Regulator of handle |
| CN1830634A (en) * | 2005-03-08 | 2006-09-13 | 绍博有限公司 | Tool trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102039586A (en) | 2011-05-04 |
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