CN204240012U - The synchronous stretching mechanism of tripod - Google Patents
The synchronous stretching mechanism of tripod Download PDFInfo
- Publication number
- CN204240012U CN204240012U CN201420630827.6U CN201420630827U CN204240012U CN 204240012 U CN204240012 U CN 204240012U CN 201420630827 U CN201420630827 U CN 201420630827U CN 204240012 U CN204240012 U CN 204240012U
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- center base
- plane hinge
- tripod
- plane
- hinge seat
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Abstract
The synchronous stretching mechanism of a kind of tripod, comprise a center base 10 and a set of leg assembly 20, it is characterized in that, center base 10 comprises three radially-arranged plane hinge seat boards 11; Leg assembly 20 comprises three legs 21 be connected with plane hinge with center base, and there is the local conic gear engaged each other its upper end portion.Three legs of tripod also can realize synchronously opening or locating with dimple and positioning convex with three synchronising (connecting) rods 41 of the band local conic gear be articulated with on center connecting body 42.The utility model is easy to use, applied widely, and structure is simple, low cost of manufacture, can be widely used in the tripod of supporting and fixing of the photoelectricity utensil such as traffic warning mark of photographic camera, camera, instrument of surveying and mapping, automobile emergency parking.
Description
Technical field
The utility model relates to the stretching mechanism of the tripod, particularly tripod legs that photographic camera and other portable photoelectricity utensil are fixed.
Background technique
Tripod is widely used in the portable photoelectricity utensils such as fixed camera, camera, instrument of surveying and mapping, traffic warning mark, existing tripod combines in some way primarily of center base and three legs, and structural type is divided into three legs synchronously to open opening two large classes with asynchronous.The most frequently used and the simplest structure of synchronously opening be with three identical rod hinge connections on three legs and a center sliding sleeve, center sliding sleeve slides up and down along fixing central shaft thus drives three legs synchronously open and close up, this structural element is many, weight is large, not Portable belt, and other design proposal structure is more complicated, in fact can not apply.The function of synchronously opening just abandoned by the tripod had for simplified structure, and allow every leg open separately, lock separately, structure slightly simplifies, but it is very inconvenient to operate.
Summary of the invention
The purpose of this utility model is to provide the synchronous stretching mechanism of a kind of new tripod, realizes fixing easily when three legs open up into required angle or realize synchronously opening and closing up with the simplest structure.
For achieving the above object, the utility model provides a kind of new tripod synchronous stretching mechanism, it comprises a center base 10 and a set of leg assembly 20, center base 10 comprises three radially-arranged plane hinge seat boards 11, three plane hinge seat boards 11 are tabular body, there is hinge shaft hole 111 at middle part, and they directly link into an integrated entity.For with lifting The Cloud Terrace there is the tripod of the utensils such as the photographic camera of center lifting bar time, three plane hinge seat boards 11 are connected on center tube 12.Leg assembly 20 comprises three legs 21 be connected with plane hinge with center base, three legs 21 are shaft-like, there is the tooth 211 that engages each other upper end portion and coordinates with plane hinge seat board 11 knuckle joint 212 forming plane hinge and be connected, tooth 211 is two local conic gears, be distributed in knuckle joint 212 both sides, its center line overlaps with hinge axis.
For the tripod that leg is higher, for strengthening rigidity, also following structure can be used: it comprises a center base 10, a set of leg assembly 30 and lazy-tongs 40.It is tabular body that center base 10 comprises three radially-arranged plane hinge seat boards, 11, three plane hinge seat boards 11, and they directly link into an integrated entity.Leg assembly 30 comprises three legs 31 hinged with center base 10, and leg 31 is shaft-like, and there is the knuckle joint 311 hinged with center base 10 upper end, and pin has the hinge base 312 hinged with lazy-tongs 40 with it; Lazy-tongs 40 comprise three hinged with each leg 31 respectively synchronising (connecting) rods 41 and center connecting body 42, and center connecting body 42 is made up of three radially-arranged plane hinge seat boards 421, and three plane hinge seat boards 421 directly link into an integrated entity; Three synchronising (connecting) rods 41 are shaft-like, and there are the tooth 411 and plane knuckle joint 412 that engage each other in one end, and the other end has the knuckle joint 413 hinged with the hinge base 312 of leg 31.The tooth 411 of synchronising (connecting) rod 41 is two local conic gears, and be distributed in plane hinge joint 412 both sides, its center line overlaps with hinge axis.
Tripod less demanding with the synchronism of closing up is opened for leg, for further simplified structure, following form can be made: it comprises a center base 50 and a set of leg assembly 60, center base 50 comprises three radially-arranged plane hinge seat boards 51, each plane hinge seat board 51 has more than one dimple, dimple can make conical surface hole 511; Leg assembly 60 comprises three legs 61 be connected with plane hinge with center base 50, three legs 61 are shaft-like, there is the knuckle joint 611 coordinating with plane hinge seat board 51 and form plane hinge and be connected upper end portion, knuckle joint 611 respectively there is one embed the positioning convex of dimple by elastic force, positioning convex can be the cylinder 612 of bead or band conehead, on knuckle joint 611 porose 6111, the cylinder 612 of bead or band conehead is contained in hole 6111, has pressure spring 613 that the cylinder 612 of bead or band conehead is headed into conical surface hole 511 in hole 6111.
Tripod less demanding with the synchronism of closing up is opened for leg, also can make following form: it comprises a center base 70 and a set of leg assembly 80, center base 70 is made up of three radially-arranged plane hinge seat boards 71, each plane hinge seat board 71 has more than one dimple, dimple can do growth hole 711; Leg assembly 80 comprises three legs 81 be connected with plane hinge with center base 70, three legs 81 are shaft-like, there is the knuckle joint 811 coordinating with plane hinge seat board 71 and form plane hinge and be connected upper end portion, knuckle joint 811 respectively has one embed the positioning convex of dimple by elastic force, positioning convex can be made and be fixed on prismatic protruding 8112 of knuckle joint 811 surface.Knuckle joint 811 has certain elasticity, and prismatic protruding 8112 rely on its elastic force to embed in long hole 711.Long hole 711 also can replace with round pool or oval hole, and corresponding with it, prismatic protruding 8112 also can use sphere, ellipsoid projection to replace.
The leg that the utility model provides has the tripod synchronously opened with closing up function, and during use, they open or close up by hand-held any two legs, three leg angles that just energy synchronizing moving is identical, easy to operate.The leg that the utility model provides does not have the tripod synchronously opened with closing up function, regulates the position of each leg during use respectively, their setting just can be used to certain opening angle, need not fix respectively again by the dimple preset.The utility model is not only easy to use, applied widely, and structure is also very simple, and low cost of manufacture, the supporting and fixing for photoelectricity utensils such as photographic camera, camera, instrument of surveying and mapping, traffic warning marks can replace most of existing tripod.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1, and wherein Figure 1A is the front view of leg when closing up, and Figure 1B is the sectional view by hinge axis.
Fig. 2 is the component exploded view of the utility model embodiment 1.
Fig. 3 is the phase diagram of the leg of the utility model embodiment 1 when opening.
Fig. 4 is the part-structure schematic diagram of the utility model embodiment 2, and wherein Fig. 4 A is the sectional view by hinge axis, the External view of seat centered by Fig. 4 B.
Fig. 5 is the structural representation of the utility model embodiment 3, and wherein Fig. 5 A is the front view of leg when partly opening, worm's eye view when Fig. 5 B is this state.
Fig. 6 is the structural representation of the utility model embodiment 4, and wherein Fig. 6 A is the front view of leg when opening, and Fig. 6 B is support feet positioning device sectional view.
Fig. 7 is the structural representation of the utility model embodiment 5, and wherein Fig. 7 A is the front view of leg when opening, and Fig. 7 B, Fig. 7 C are support feet positioning device partial view.
Embodiment
Embodiment 1
The utility model embodiment 1 as shown in Figure 1, Figure 2, Figure 3 shows.The present embodiment comprises a center base 10 and a set of leg assembly 20, and it is tabular body that center base 10 comprises three radially-arranged plane hinge seat boards, 11, three plane hinge seat boards 11, and there is hinge shaft hole 111 at middle part, and they directly link into an integrated entity, as shown in Figure 2.According to the difference of tripod purposes, center base 10 also can be arranged the pedestal connecting photoelectricity utensil, element 12 in Fig. 2 is the pedestals for installing The Cloud Terrace, it can make an entirety with three plane hinge seat boards 11 or separate make connect into fastening piece more as a whole.Leg assembly 20 comprises three legs 21 be connected with plane hinge with center base, three legs 21 are shaft-like, there is the tooth 211 that engages each other upper end portion and coordinates the hinge axis 22 forming knuckle joint 212, three plane hinges that plane hinge is connected can with bolt or rivet with plane hinge seat board 11.Tooth 211 is two local conic gears, and be distributed in knuckle joint 212 both sides, its center line overlaps with hinge axis.Known telescopic tube can be installed as required so that carry (not shown) in the lower end of leg 21.Tripod is collected and when carrying, three legs 21 close up, and as shown in Figure 1A, separated by leg during use with hand, three legs 21 just can synchronously open up into arbitrarily angled, as shown in Figure 3.
Embodiment 2
The part-structure of embodiment 2 of the present utility model as shown in Figure 4, it is substantially the same manner as Example 1, also a center base 10 and a set of leg assembly 20 is comprised, center base 10 also comprises three radially-arranged plane hinge seat boards 11, difference is only: three plane hinge seat boards 11 are not directly link into an integrated entity but be connected on center tube 12, as shown in Fig. 4 A, Fig. 4 B.The present embodiment is the structure for the tripod with lifting The Cloud Terrace, be mainly used in the tripod of the utensils such as the photographic camera with center lifting bar, lifting The Cloud Terrace is arranged on the top of center lifting bar, and center lifting bar is inserted in center tube 12 does oscilaltion slip with the height adjusting the utensils such as photographic camera.
Embodiment 3
As shown in Figure 5, it comprises a center base 10, a set of leg assembly 30 and lazy-tongs 40 to embodiment 3 of the present utility model.It is tabular body that center base 10 comprises three radially-arranged plane hinge seat boards, 11, three plane hinge seat boards 11, and they directly link into an integrated entity.Leg assembly 30 comprises three legs 31 hinged with center base 10, and leg 31 is shaft-like, and there is the knuckle joint 311 hinged with center base 10 upper end, and pin has the hinge base 312 hinged with lazy-tongs 40 with it.The hinge axis 32 of three plane hinges can with bolt or rivet.Lazy-tongs 40 comprise three hinged with each leg 31 respectively synchronising (connecting) rods 41 and center connecting body 42, center connecting body 42 is made up of three radially-arranged plane hinge seat boards 421, three plane hinge seat boards 421 are tabular body, and there is hinge shaft hole at middle part, and they directly link into an integrated entity; Three synchronising (connecting) rods 41 are shaft-like, and there are the tooth 411 and plane knuckle joint 412 that engage each other in one end, and the other end has the knuckle joint 413 hinged with the hinge base 312 of leg 31.The tooth 411 of synchronising (connecting) rod 41 is two local conic gears, and be distributed in plane hinge joint 412 both sides, its center line overlaps with hinge axis.When leg 31 opened with certain angle, drive three synchronising (connecting) rods 41 naturally synchronously to open, also make three legs 31 also synchronously open simultaneously.Fig. 5 A is the front view of leg when partly opening, worm's eye view when Fig. 5 B is this state.The present embodiment is used for the higher tripod of leg, and lazy-tongs can strengthen its rigidity.
Embodiment 4
Embodiment 4 of the present utility model as shown in Figure 6, it comprises a center base 50 and a set of leg assembly 60, center base 50 comprises three radially-arranged plane hinge seat boards 51, each plane hinge seat board 51 has more than one dimple, namely as shown in Figure 6B the conical surface hole 511; It is shaft-like that leg assembly 60 comprises three legs, 61, three legs 61 be connected with plane hinge with center base 50, and there is the knuckle joint 611 coordinating with plane hinge seat board 51 and form plane hinge and be connected upper end portion; The hinge axis 62 of three plane hinges can with bolt or rivet.Knuckle joint 611 respectively has one embed the positioning convex of dimple by elastic force, namely as the bead 612 in Fig. 6 B, bead 612 also can replace with the cylinder of band conehead.There is provided the element of elastic force to be pressure spring 613, on knuckle joint 611 porose 6111, bead 612 and pressure spring 613 are contained in hole 6111.Position residing for bead 612 when conical surface hole 511 corresponds to each angle that leg 61 opens, needs the angle of setting pre-set during fabrication when it is and uses according to tripod.The present embodiment is used for opening tripod less demanding with the synchronism of closing up to leg, can simplified structure further.
Embodiment 5
Embodiment 5 of the present utility model as shown in Figure 7, it comprises a center base 70 and a set of leg assembly 80, center base 70 is made up of three radially-arranged plane hinge seat boards 71, each plane hinge seat board 71 has more than one dimple, the long hole 711 namely as shown in Fig. 7 A, Fig. 7 C; It is shaft-like that leg assembly 80 comprises three legs, 81, three legs 81 be connected with plane hinge with center base 70, and there is the knuckle joint 811 coordinating with plane hinge seat board 71 and form plane hinge and be connected upper end portion; The hinge axis 82 of three plane hinges can with bolt or rivet.Knuckle joint 811 respectively has one embed the positioning convex of dimple by elastic force, namely as shown in Figure 7 A, 7 B be fixed on prismatic protruding 8112 of knuckle joint 811 surface.Knuckle joint 811 has certain elasticity, and prismatic protruding 8112 rely on its elastic force to embed in long hole 711.Position when long hole 711 corresponds to each angle that leg 81 opens residing for prismatic protruding 8112, needs the angle of setting pre-set during fabrication when it is and uses according to tripod.Long hole 711 also can replace with round pool or oval hole, and corresponding with it, prismatic protruding 8112 also can use sphere, ellipsoid projection to replace.The present embodiment is used for opening tripod less demanding with the synchronism of closing up to leg, can simplified structure further.
Claims (9)
1. the synchronous stretching mechanism of tripod, comprises a center base (10) and a set of leg assembly (20), it is characterized in that, center base (10) comprises three radially-arranged plane hinge seat boards (11); Leg assembly (20) comprises three legs (21) be connected with plane hinge with center base, and there is the tooth (211) that engages each other the upper end portion of three legs (21) and coordinates with plane hinge seat board (11) knuckle joint (212) forming plane hinge and be connected.
2. the synchronous stretching mechanism of tripod according to claim 1, it is characterized in that, three plane hinge seat boards (11) of described center base (10) are tabular body, and there is hinge shaft hole (111) at middle part, and they directly link into an integrated entity.
3. the synchronous stretching mechanism of tripod according to claim 1, it is characterized in that, three plane hinge seat boards (11) of described center base (10) are tabular body, there is hinge shaft hole (111) at middle part, and they are connected on center tube (12).
4. the synchronous stretching mechanism of tripod according to claim 1, it is characterized in that, tooth (211) on described leg (21) is two local conic gears, and be distributed in knuckle joint (212) both sides, its center line overlaps with hinge axis.
5. the synchronous stretching mechanism of tripod, comprise a center base (10), a set of leg assembly (30) and lazy-tongs (40), it is characterized in that, center base (10) comprises three radially-arranged plane hinge seat boards (11); Leg assembly (30) comprises three legs (31) hinged with center base (10), there is the knuckle joint (311) hinged with center base (10) upper end of leg (31), and pin has the hinge base (312) hinged with lazy-tongs (40) with it; Lazy-tongs (40) comprise three hinged with each leg (31) respectively synchronising (connecting) rods (41) and center connecting body (42), center connecting body (42) is made up of three radially-arranged plane hinge seat boards (421), and three plane hinge seat boards (421) directly link into an integrated entity; There are the tooth (411) and plane knuckle joint (412) that engage each other in one end of three synchronising (connecting) rods (41), and the other end has the knuckle joint (413) hinged with the hinge base of leg (31) (312).
6. the synchronous stretching mechanism of tripod according to claim 5, it is characterized in that, the tooth (411) of described synchronising (connecting) rod (41) is two local conic gears, and be distributed in plane hinge joint (412) both sides, its center line overlaps with hinge axis.
7. the synchronous stretching mechanism of tripod, comprises a center base and a set of leg assembly, it is characterized in that, center base comprises three radially-arranged plane hinge seat boards, each plane hinge seat board has more than one dimple; Leg assembly comprises three legs be connected with plane hinge with center base, and there is the knuckle joint coordinating with plane hinge seat board and form plane hinge and be connected three leg upper end portions, and knuckle joint respectively has one embed the positioning convex of dimple by elastic force.
8. the synchronous stretching mechanism of tripod according to claim 7, it is characterized in that, dimple on described plane hinge seat board is conical surface hole (511), positioning convex on knuckle joint is the cylinder (612) of bead or band conehead, porose on knuckle joint (6111), the cylinder (612) of bead or band conehead is contained in hole (6111), has pressure spring (613) that the cylinder (612) of bead or band conehead is headed into conical surface hole (511) in hole (6111).
9. the synchronous stretching mechanism of tripod according to claim 7, it is characterized in that, dimple on described plane hinge seat board is long hole or round pool (711), positioning convex on knuckle joint is fixed on the sphere on its surface, ellipsoid or prismatic projection (8112), knuckle joint has certain elasticity, and sphere, ellipsoid or prismatic projection (8112) rely on its elastic force to embed in long hole or round pool (711).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420630827.6U CN204240012U (en) | 2014-10-18 | 2014-10-18 | The synchronous stretching mechanism of tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420630827.6U CN204240012U (en) | 2014-10-18 | 2014-10-18 | The synchronous stretching mechanism of tripod |
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| Publication Number | Publication Date |
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| CN204240012U true CN204240012U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420630827.6U Expired - Fee Related CN204240012U (en) | 2014-10-18 | 2014-10-18 | The synchronous stretching mechanism of tripod |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729885A (en) * | 2015-04-02 | 2015-06-24 | 周泽英 | Portable monitoring sampling device for urine of livestock |
| CN104880337A (en) * | 2015-05-28 | 2015-09-02 | 国网山西省电力公司电力科学研究院 | Vertical gun feeding support convenient and quick to mount and demount |
| CN108621265A (en) * | 2017-03-16 | 2018-10-09 | 刘承承 | A kind of center adjusting device and automatic broken bamboo machine |
| CN108979684A (en) * | 2018-07-30 | 2018-12-11 | 河北墨隆机电科技有限公司 | A kind of bottom plate erosion control trestle drilling machine |
-
2014
- 2014-10-18 CN CN201420630827.6U patent/CN204240012U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729885A (en) * | 2015-04-02 | 2015-06-24 | 周泽英 | Portable monitoring sampling device for urine of livestock |
| CN104729885B (en) * | 2015-04-02 | 2017-08-11 | 周泽英 | Portable poultry urine monitoring sampler |
| CN104880337A (en) * | 2015-05-28 | 2015-09-02 | 国网山西省电力公司电力科学研究院 | Vertical gun feeding support convenient and quick to mount and demount |
| CN108621265A (en) * | 2017-03-16 | 2018-10-09 | 刘承承 | A kind of center adjusting device and automatic broken bamboo machine |
| CN108979684A (en) * | 2018-07-30 | 2018-12-11 | 河北墨隆机电科技有限公司 | A kind of bottom plate erosion control trestle drilling machine |
| CN108979684B (en) * | 2018-07-30 | 2020-05-22 | 河北墨隆机电科技有限公司 | Drilling machine for preventing bottom plate from being impacted by frame column |
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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: 20150401 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |