CN202791222U - Leg rotating and folding mechanism convenient for unlocking - Google Patents
Leg rotating and folding mechanism convenient for unlocking Download PDFInfo
- Publication number
- CN202791222U CN202791222U CN 201220477716 CN201220477716U CN202791222U CN 202791222 U CN202791222 U CN 202791222U CN 201220477716 CN201220477716 CN 201220477716 CN 201220477716 U CN201220477716 U CN 201220477716U CN 202791222 U CN202791222 U CN 202791222U
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- CN
- China
- Prior art keywords
- leg
- flanging
- folding mechanism
- convenient
- lock
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of machines, and in particular relates to a leg rotating and folding mechanism convenient for unlocking. The leg rotating and folding mechanism is characterized in that an edgefold is arranged on at least one of left and right sides of a plate surface in a leg fixed frame; a fixed screw hole is formed at the lower middle part of the edgefold; at least two locking holes are formed in the circumference of the edgefold, with the fixed screw hole as a circle center; a connecting plate is fixed on the inner side surface of the plate surface near the edgefold; the plate surface of the connecting plate is parallel with the edgefold at the corresponding side; a leg is made of a hollow pipe; an upper hole, a middle hole and a lower hole passing through front and rear side walls are sequentially formed at the upper part of the leg from top to bottom; and a fixed screw sequentially passes through the fixed screw hole in the edgefold, the upper hole of the leg and the plate surface of the connecting plate from the outside of the edgefold to connect the upper end of the leg between the edgefold and the plate surface of the connecting plate by a shaft. Compared with the prior art, the leg rotating and folding mechanism is simple in structure and convenient to operate, fold and carry, and the leg position is accurately set in advance and can be automatically aligned.
Description
Technical field
The utility model relates to field of mechanical technique, specifically a kind ofly is convenient to lock the leg rotary folding mechanism of opening.
Background technique
For reaching the portable requirement of hardware ﹠ tools or furniture, need a kind of folding leg of design, such instrument and furniture both were convenient for carrying, be easy to again store, and this folding leg, it is folding to adopt rotation mode to realize, have and singlehandedly to realize starting fast the function that automatically locks.
Summary of the invention
The purpose of this utility model is for overcoming the deficiencies in the prior art, design a kind of simple mechanism, satisfying and carry and the needs that store.
For achieving the above object, design a kind of leg rotary folding mechanism of opening of being convenient to lock, comprise leg fixing frame, leg, driving handle, spring, it is characterized in that: described leg fixing frame is provided with flanging at least one side in the arranged on left and right sides of plate face, middle and lower part at flanging is provided with fixing screw hole, circumference take fixing screw hole as the center of circle on flanging is provided with at least two locking apertures, the inner side surface of the plate face by flanging is a plate fixedly, and the plate face of connecting plate is parallel with the flanging of respective side; Leg adopts hollow tubular, and the top of leg is provided with upper hole, mesopore, the lower hole of running through leg front and back sidewall from top to bottom successively; The upper shaft that set screw passes outside flanging behind the plate face of the upper hole of fixing screw hole on the flanging, leg and connecting plate successively with leg is connected between the plate face of flanging and connecting plate; The bar section of locating stud passes mesopore on the outer side wall of arbitrary locking aperture on the flanging, leg successively, place spring, the mesopore on the leg madial wall in the leg hollow tubular, drive the top of handle; Middle part towards the driving handle of leg one side is provided with convex, and the driving handle at the convex position is provided with level to the positioning rod that arranges, and positioning rod penetrates in the lower hole of leg; The head diameter of described locating stud is less than the diameter of locking aperture.
The bottom of described locating stud is provided with draw-in groove, is provided with fixedly jump ring in the draw-in groove.
The bottom of the screw rod of described set screw is provided with screw thread, and all the other positions of the screw rod of set screw are smooth shaft.
The plate face of described leg fixing frame is trapezoidal.
Bottom at the plate face of leg fixing frame is provided with flange.
Be positioned at fixedly that the outer side surface of the driving handle at jump ring place is provided with groove, the Lower Half that drives handle is made as arc, and drives between the bottom of handle and the leg and be provided with spacing.
The outer side wall of the leg of corresponding flanging one side is provided with plastic spacer at the locating stud place.
Described plastic spacer is annular, is arranged with two pins at the anchor ring of plastic spacer, and two pins insert in the outer side wall of legs.
Top at the flanging of leg fixing frame also is preset with fixed hole.
The utility model is compared with prior art, and is simple in structure, easy to operate, and location footprint is accurately set in advance, and can automatically find accurately; And be convenient to fold and carry, be applied to simultaneously correlated parts, play a supportive role, convenient and practical.
Description of drawings
Fig. 1 is blast structural representation of the present utility model.
Fig. 2 is the structural representation of establishing the leg that drives handle in the utility model.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is that A-A shown in Figure 3 is to sectional view.
Embodiment
Now the utility model is further described by reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1～Fig. 4, the utility model comprises leg fixing frame 1, leg 6, drives handle 7, spring 4, it is characterized in that: described leg fixing frame 1 is provided with flanging 1-1 at least one side in the arranged on left and right sides of plate face, be provided with fixing screw hole 12 in the middle and lower part of flanging 1-1, same circumference take fixing screw hole 12 as the center of circle on flanging 1-1 is provided with at least two locking apertures 11, and the inner side surface of the plate face by flanging 1-1 fixedly a plate 10 consists of, and the plate face of connecting plate 10 is parallel with the flanging 1-1 of respective side; Leg 6 adopts hollow tubular, and the top of leg 6 is provided with upper hole, mesopore, the lower hole of running through leg front and back sidewall from top to bottom successively; The upper shaft that set screw 2 passes outside flanging 1-1 behind the plate face of the upper hole of fixing screw hole 12 on the flanging 1-1, leg 6 and connecting plate 10 successively with leg 6 is connected between the plate face of flanging 1-1 and connecting plate 10.The bottom of the screw rod of the set screw 2 in the utility model is provided with screw thread, and available set screw nut 9 is connected and fixed.All the other positions of the screw rod of set screw 2 are smooth shaft, have so both guaranteed that leg 6 is connected on the leg fixing frame 1, make things convenient for again leg around set screw 2 rotations.
The bar section of locating stud 3 passes mesopore on the outer side wall of arbitrary locking aperture 11 on the flanging 1-1, leg 6 successively, place spring 4, the mesopore on leg 6 madial walls in leg 6 hollow tubulars, drive the top of handle 7, the bottom of locating stud 3 is provided with draw-in groove, be provided with fixedly jump ring 8 in the draw-in groove, middle part towards the driving handle 7 of leg side is provided with convex, and the driving handle 7 at the convex position is provided with level to the positioning rod 7-1 that arranges, and positioning rod 7-1 penetrates in the lower hole of leg 6; The head diameter of described locating stud 3 is less than the diameter of locking aperture 11.
The plate face of described leg fixing frame 1 is trapezoidal.Bottom at the plate face of leg fixing frame 1 is provided with flange 1-2, and this flange 1-2 uses when being used in the suspension of wall.
Be positioned at fixedly that the outer side surface of the driving handle 7 at jump ring 8 places is provided with groove, be convenient to the bottom of locating stud 3 and fixedly jump ring hide in it assurance outward appearance attractive in appearance.
The outer side wall of the leg 6 of corresponding flanging 1-1 one side is provided with plastic spacer 5 at locating stud 3 places, guarantees leg 6 smooth rotations, and protection leg fixing frame 1 is not worn.This plastic spacer 5 is annular in this example, is arranged with two pins at the anchor ring of plastic spacer 5, and two pins insert in the outer side wall of legs 6.
Top at the flanging 1-1 of leg fixing frame 1 also is preset with fixed hole 13, when being convenient to be assemblied on some part, more firmly locks with part.
Be made as arc owing to drive the Lower Half of handle 7, and be provided with spacing between the bottom of driving handle 7 and the leg 6.Therefore, the operator can singlehanded press the bottom that drives handle 7, and take the convex of the centre that drives handle 7 as fulcrum, make the top that drives handle 7 drive the head retrude of locating stud 3, and the locking aperture 11 on the disengaging leg fixing frame 1, this moment is rotatable leg 6 and relieving driving handle 7 just, is rotated further leg 6 until arrive another locking aperture 11 places that want, locating stud 3 automatically resets under the effect of spring and springs in this locking aperture, thus locking leg 6.Repeat above action, realize the conversion of leg diverse location.
When such as needs certain machine supporting beams being supported, the two ends of machine supporting beams can be embedded respectively in two leg fixing frames 1, and placed separately at connecting plate 10 upsides respectively, leg 6 then rotation is extremely consistent with the angle of flanging 1-1, so just, formed the bench shape, the every end of machine supporting beams has two legs, the firm support effect that two legs 6 are triangular in shape, and this moment just can be in the enterprising line correlation operation of machine supporting beams.
During the specific part that certainly need to fix for some, also can a leg be set at each leg fixing frame 1 and get final product.As, only have the leg rotary folding mechanism of a leg to be separately positioned on four angles of a square desktop, just can form Foldable table with described.
Claims (9)
1. be convenient to lock the leg rotary folding mechanism of opening for one kind, comprise the leg fixing frame, leg, drive handle, spring, it is characterized in that: described leg fixing frame (1) is the left side at the plate face, at least one side of right both sides is provided with flanging (1-1), be provided with fixing screw hole (12) in the middle and lower part of flanging (1-1), be provided with at least two locking apertures (11) at the upper circumference take fixing screw hole (12) as the center of circle of flanging (1-1), the inner side surface of the plate face by flanging (1-1) is a plate (10) fixedly, and the plate face of connecting plate (10) is parallel with the flanging (1-1) of respective side; Leg (6) adopts hollow tubular, and the top of leg (6) is provided with upper hole, mesopore, the lower hole of running through leg front and back sidewall from top to bottom successively; The upper shaft that set screw (2) passes outside flanging (1-1) behind the plate face of the upper hole of fixing screw hole (12) on the flanging (1-1), leg (6) and connecting plate (10) successively with leg (6) is connected between the plate face of flanging (1-1) and connecting plate (10); The bar section of locating stud (3) passes mesopore on the outer side wall of arbitrary locking aperture (11) on the flanging (1-1), leg (6) successively, place spring (4), the mesopore on leg (6) madial wall in leg (6) hollow tubular, drive the top of handle (7); Middle part towards the driving handle (7) of leg (6) one sides is provided with convex, and the driving handle (7) at the convex position is provided with level to the positioning rod (7-1) that arranges, and positioning rod (7-1) penetrates in the lower hole of leg (6); The head diameter of described locating stud (3) is less than the diameter of locking aperture (11).
2. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 1, it is characterized in that: the bottom of described locating stud (3) is provided with draw-in groove, is provided with fixedly jump ring (8) in the draw-in groove.
3. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 1, it is characterized in that: the bottom of the screw rod of described set screw (2) is provided with screw thread, and all the other positions of the screw rod of set screw (2) are smooth shaft.
4. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 1, it is characterized in that: the plate face of described leg fixing frame (1) is trapezoidal.
5. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 1 is characterized in that: the bottom at the plate face of leg fixing frame (1) is provided with flange (1-2).
6. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 2, it is characterized in that: the outer side surface that is positioned at the driving handle (7) that fixing jump ring (8) locates is provided with groove, the Lower Half that drives handle (7) is made as arc, and is provided with spacing between the bottom of driving handle (7) and the leg (6).
7. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 1, it is characterized in that: the outer side wall of locating the leg (6) of corresponding flanging (1-1) side at locating stud (3) is provided with plastic spacer (5).
8. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 7, it is characterized in that: described plastic spacer (5) is annular, anchor ring at plastic spacer (5) is arranged with two pins, and two pins insert in the outer side wall of leg (6).
9. a kind of leg rotary folding mechanism of opening of being convenient to lock as claimed in claim 1 is characterized in that: the top at the flanging (1-1) of leg fixing frame (1) also is preset with fixed hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477716 CN202791222U (en) | 2012-09-18 | 2012-09-18 | Leg rotating and folding mechanism convenient for unlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477716 CN202791222U (en) | 2012-09-18 | 2012-09-18 | Leg rotating and folding mechanism convenient for unlocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791222U true CN202791222U (en) | 2013-03-13 |
Family
ID=47818484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220477716 Expired - Fee Related CN202791222U (en) | 2012-09-18 | 2012-09-18 | Leg rotating and folding mechanism convenient for unlocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019344A (en) * | 2014-06-06 | 2014-09-03 | 中山市思锐摄影器材工业有限公司 | Foldable supporting base |
| CN106439438A (en) * | 2016-08-31 | 2017-02-22 | 深圳市莲花百川科技有限公司 | Hand-operated umbrella type stand |
| CN108317371A (en) * | 2018-04-20 | 2018-07-24 | 中山市庆谊金属制品企业有限公司 | Flower and grass watering long gun support |
-
2012
- 2012-09-18 CN CN 201220477716 patent/CN202791222U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019344A (en) * | 2014-06-06 | 2014-09-03 | 中山市思锐摄影器材工业有限公司 | Foldable supporting base |
| CN104019344B (en) * | 2014-06-06 | 2016-08-24 | 中山市思锐摄影器材工业有限公司 | A kind of collapsible support seat |
| CN106439438A (en) * | 2016-08-31 | 2017-02-22 | 深圳市莲花百川科技有限公司 | Hand-operated umbrella type stand |
| CN108317371A (en) * | 2018-04-20 | 2018-07-24 | 中山市庆谊金属制品企业有限公司 | Flower and grass watering long gun support |
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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: 20130313 Termination date: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |