CN101915387B - Light fitting with cylinder deflection preventing structure - Google Patents
Light fitting with cylinder deflection preventing structure Download PDFInfo
- Publication number
- CN101915387B CN101915387B CN2010102154364A CN201010215436A CN101915387B CN 101915387 B CN101915387 B CN 101915387B CN 2010102154364 A CN2010102154364 A CN 2010102154364A CN 201010215436 A CN201010215436 A CN 201010215436A CN 101915387 B CN101915387 B CN 101915387B
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- China
- Prior art keywords
- pedestal
- cylinder
- light fixture
- mast holder
- prevents
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- Expired - Fee Related
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- Forklifts And Lifting Vehicles (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to a light fitting with a cylinder deflection preventing structure, which comprises a base plate, a backstay fixing seat, a vertical and horizontal pushing mechanism and a lifting cylinder, wherein the backstay fixing seat and the vertical and horizontal pushing mechanism are fixed on the base plate; the backstay fixing seat comprises a pedestal and two corresponding supporting arms protruded on the pedestal; the pedestal and the two supporting arms form an accommodation groove; one end of the lifting cylinder is connected with the light fitting and a holder, while the other end is connected to a connecting part in the accommodation groove of the backstay fixing seat in a rotating way; the side edge, close to the backstay fixing seat, on the base plate is protruded with a reinforced edge; one side, close to the reinforced edge, on the pedestal of the backstay fixing seat is also provided with a deflection preventing unit; and one end of the deflection preventing unit is fixed on the pedestal, while the other end is pressed against the reinforced edge. Under the combined action of the reinforced edge and the deflection preventing unit, the phenomenon of cylinder deflection caused by the slippage of the backstay fixing seat is avoided, and the reliability of the light fitting is enhanced.
Description
Technical field
The present invention relates to a kind of structure that prevents deflection, relate in particular to a kind of light fixture that prevents the cylinder deflection structure that has.
Background technology
Vehicle-mounted liftable light fixture 3 can be installed on automobile or the fixture owing to it; But automatic lifting resets; Easy for operation; And have can comprehensive location function, be widely used in various vehicles such as satellite news interview car, mobile control room, military, public security command car, Emergency communication vehicle and other special purpose vehicle.
Like Fig. 1 and shown in Figure 2, be respectively the rearview and the long-time back lift cylinder vertical view of deflection, the mast holder 20 of traditional vehicle-mounted lighting 3 of using of the light fixture of no anti-deflection unit in the prior art; All be to adopt the set bolt (211,213,214,216) of vertical direction to be fixed on the Lamp base 10; Mast holder 20 is the plane with contacting of chassis 10, and set bolt (211,213,214,216) also can only make and produce limited frictional force between the two, and in actual use; Because light fixture The Cloud Terrace and lamp holder (not shown) part weight are heavier; Under the effect of lever principle, make lift cylinder 40 erect, gear 60 will receive great power; Before gear 60 begins rotation; The power that gear 60 receives in the horizontal direction often surpasses the frictional force of 20 of chassis 10 and mast holders, makes mast holder 20 trackslip to the Z direction, finally causes cylinder 40 deflections; Cause the landing of lamp holder (not shown) stuck, lamp package 3 was lost efficacy less than assigned address.
And because the bolt (211,213,214,216) of fixed mast holder 20 is difficult to adjustment in lift cylinder assembling back, can deflection even adjusted in use for some time again, reduced the reliability and the maintainability of light fixture 3.
Summary of the invention
Given this, being necessary to provide a kind of not only can prevent because the light fixture that the mast holder trackslips and causes cylinder deflection but also maintain easily.
A kind of have a light fixture that prevents the cylinder deflection structure, comprises chassis, mast holder, set-down to promoting mechanism and lift cylinder, and said mast holder and set-down to promoting mechanism are fixed on the chassis; The mast holder comprises a pedestal and corresponding first support arm and second support arm that is convexly set on the pedestal; The distance of said first support arm and set-down to promoting mechanism is less than the distance of said second support arm and set-down to promoting mechanism, and said pedestal and two support arms form the accepting groove of a concave shape; One end of said lift cylinder connects light fixture and The Cloud Terrace; Its other end is that connecting portion and said support arm are hinged and place in the accepting groove of mast holder; Wherein, the side near the mast holder on the chassis convexes with stiffened edge, and the side near stiffened edge also is provided with the anti-deflection unit on mast holder pedestal; Said anti-deflection unit one end is fixed on the said pedestal, and the other end relies on stiffened edge.
Through adopting partial-band stiffened edge chassis, and the anti-deflection unit is set on the tetragonal body pedestal, having avoided being trackslipped by the mast holder causes the phenomenon of cylinder deflection, has improved the anti-deflection capacity of light fixture cylinder, has strengthened the reliability of light fixture.Do not influencing under the reliable premise simultaneously, the operation easier that has reduced each parts installation of light fixture and safeguarded particularly need not dismantled the mast holder when safeguarding, directly adjusts locking nut and regulate bolt to get final product, and is very easy to use.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the rearview of the light fixture of no anti-deflection unit in the prior art.
Fig. 2 is that the light fixture of no anti-deflection unit in the prior art uses the back lift cylinder vertical view of deflection for a long time.
Fig. 3 is the exploded view that the present invention has the light fixture that prevents the cylinder deflection structure.
Fig. 4 is the vertical view that the present invention has the light fixture that prevents the cylinder deflection structure.
Fig. 5 is the vertical view that chassis that the present invention has a light fixture that prevents the cylinder deflection structure only installs the mast holder.
Fig. 6 is the rearview that the present invention has the light fixture that prevents the cylinder deflection structure.
Fig. 7 is that the present invention has the side view that after the light fixture that prevents the cylinder deflection structure starts lamp holder and The Cloud Terrace is erected a little.
Fig. 8 is that the present invention has the light fixture upper rack that prevents the cylinder deflection structure and the sectional view of gear.
Fig. 9 is that the present invention has the light fixture adjusted bolt that prevents the cylinder deflection structure and the side view of locking nut.
The specific embodiment
Like Fig. 3 and shown in Figure 4; Be respectively the present invention and have the exploded view and the vertical view of the light fixture that prevents the cylinder deflection structure, it comprises: be provided with the square chassis 10 of local stiffened edge 12, the mast holder 20 that is provided with anti-deflection unit 70, set-down to promoting mechanism 30, lift cylinder 40; Mast holder 20 and set-down to promoting mechanism 30 adjacent being fixed on the chassis 10; Mast holder 20 comprises a pedestal 21 and corresponding first support arm 25 and second support arm 23 that is convexly set on the pedestal 21; Pedestal 21 and two support arms (25,23) form the accepting groove 29 of a concave shape; One end of lift cylinder 40 connects light fixture The Cloud Terrace 41 and lamp holder 42; The other end is a connecting portion 45, and its other end is that connecting portion 45 is hinged and place in the accepting groove 29 of mast holder 20 with said support arm (25,23).
Please combine shown in Figure 5 again; The chassis that has a light fixture that prevents the cylinder deflection structure for the present invention only installs the vertical view of mast holder; Mast holder 20 comprises that one is arranged at the tetragonal body pedestal 21 and relative first support arm 25 of being located at pedestal 21 both sides and second support arm 23 near stiffened edge 12 places; Two support arms (23,25) are tabular and are parallel to each other; The distance of first support arm 25 and set-down to promoting mechanism 30 is less than the distance of second support arm 23 with set-down to promoting mechanism 30, and the support arm (23,25) near both sides locates also to be provided with six screws (211,212,213,214,215,216) on this pedestal 21; First support arm 25 is provided with axis hole 253, and the corresponding position is provided with 233, two axis holes of axis hole (233,253) and equates to the distance of holder pedestal 21 on second support arm 23.The side of adjacent first support arm 25 also convexes with the support ear 27 of a strip on tetragonal body pedestal 21; This support ear 27 abuts on the chassis 10 and perpendicular to tabular first support arm 25 and is provided with; This support ear 27 is formed in one with this mast holder 20; And the part away from pedestal 21 on this support ear 27 also is provided with a screw 273, with bolt pass above-mentioned screw 273 can with mast holder 20 and on support ear 27 be fixed on the chassis 10, the use of mast holder 20 of band support ear 27 has increased the contact area of mast holder 20 with chassis 10; Make and chassis 10 stressed more dispersions in the length range of support ear 27, be difficult for taking place deformation.
Please combine shown in Figure 9 again; For the present invention has the light fixture adjusted bolt that prevents the cylinder deflection structure and the side view of locking nut; Also be provided with an anti-deflection unit 70 at pedestal 21 and second support arm, 23 connecting portion offices at tetragonal body pedestal 21 near the side of stiffened edge 12; The adjusting screw (not shown) that this anti-deflection unit 70 is screwed on pedestal 21 by the adjusting bolt 71 that is equipped with locking nut 73 forms, and the head 711 of this adjusting bolt 71 relies on the stiffened edge 12.
Please combine Fig. 3 and shown in Figure 6; The connecting portion 45 of lift cylinder 40 is provided with connecting hole 453; This lift cylinder 40 is fixed on the mast holder 20 through axis hole (233,253) and the bearing pin 50 of the connecting hole 453 on the connecting portion 45 that passes on two support arms (23,25); The bearing pin 50 that passes the connecting hole 453 on the connecting portion 45 of lift cylinder 40 is connected with lift cylinder 40; Realize hingedly, on the connecting portion 45 of lift cylinder 40, also be provided with an outstanding limited post 455, when these lift cylinder 40 relative chassis 10 erect 90 ° near the side 451 of second support arm 23; This limited post 455 can prop up chassis 10, thus this lift cylinder 40 can only relatively with chassis 10 be realize in 0 ° to 90 ° the slewing area upright with fall down to move.The part of passing first support arm 25 on the mast holder 20 at this bearing pin 50 is arranged with a gear 60, and gear 60 is fixedly connected with bearing pin 50, and relative displacement does not take place, thereby makes this lift cylinder 40 motions through these gear 60 rotating band untie-sell axles 50 rotations.
Like Fig. 3 and shown in Figure 4; The side that set-down to promoting mechanism 30 adjacent mast holders 20 are provided with support ear 27 is fixed on the chassis 10; Set-down to promoting mechanism 30 comprises a motor 31 and a driving rack 33; The gear 60 that is provided with on this driving rack 33 and the bearing pin 50 is meshed, and motor 31 operate as normal drive this driving rack 33 motions, and then drives gear 60 rotations that are provided with on the bearing pin 50.
Please combine Fig. 6, Fig. 7 and shown in Figure 8; When Lamp base 10 anti-deformation structures are brought into use; Lift cylinder 40 is in state, and the motor 31 in the set-down to promoting mechanism 30 starts and drives driving rack 33 motions, and then drives and its meshed gears 60 rotations; Meanwhile, make that with the bearing pin 50 that gear 60 and lift cylinder 40 all are fixedly connected lift cylinder 40 erects under the drive of gear 60.
Because the weight of lamp holder 42 and The Cloud Terrace 41 is very big; It receives downward gravity G; Because lever principle: power * power arm=resistance * resistance arm; Make lift cylinder 40 erect, must be by the torsional moment that gear 60 produces greater than the moment at lift cylinder 40 places, this moment promotes gear 60 by set-down to promoting mechanism 30 and rotates generation.In whole lift cylinder 40 erected the process of coming, gear 60 was because the promotion of set-down to promoting mechanism 30 receives the power Fx of horizontal direction and power Fy straight up, rotated at the acting in conjunction lower gear 60 of these two power.
Please combine Fig. 5, Fig. 7 and shown in Figure 8; Because gear receives the power Fx of horizontal direction; And frictional force f is arranged between chassis 10 and the mast holder 20 in the horizontal direction, and when gear 60 has just begun to start rotation, because gear 60 power Fx in the horizontal direction is much larger than the frictional force f that receives in the horizontal direction between chassis 10 and the mast holder 20; Making mast holder 20 receive deflecting force Fn (Fn=Fx-f) slides mast holder 20; And this moment, the anti-deflection unit 70 that is fixed on the mast holder 20 began to play a role, and it receives the reaction force Fw that local stiffened edge 12 on the chassis 10 acts on anti-deflection unit 70, and this reaction force Fw can offset the deflecting force Fn that mast holder 20 receives; Stop the deflection of mast holder 20, prevent that lift cylinder 40 from deflecting after long-time the use.
If a small amount of deflection has still appearred in the long-term back lift cylinder 40 that uses; Can be when light fixture The Cloud Terrace 41 and lamp holder 42 be in state; Unscrew the adjusting bolt 71 and the locking nut 73 of anti-deflection unit 70, strengthen to revise the deflection that occurs regulating the outwards an amount of reaction force Fw that makes stiffened edge 12 act on anti-deflection unit 70 that screws out of bolt 71; After the deflection correction, locking nut 73 is torqued-up near mast holder 20 positions, can accomplishes adjusting.
Screw the adjusting screw (not shown) place on locking nut 73 and pedestal 21 simultaneously owing to regulate bolt 71; Can guarantee to regulate bolt 71 ability secure fixation; Even stripped thread appears in the screw thread (not shown) at the adjusting screw place on the pedestal 21, rely on adjusting bolt 71 and locking nut 73 still can play the effect of adjusting, tightening.
The invention has the beneficial effects as follows: through adopting the chassis 10 of partial-band stiffened edge 12; And anti-deflection unit 70 is set on tetragonal body pedestal 21; Avoided trackslipping and caused the phenomenon of lift cylinder 40 deflections by mast holder 20; Improve the anti-deflection capacity of light fixture cylinder 40, strengthened the reliability of light fixture 3.Do not influencing under the reliable premise simultaneously, the operation easier that has reduced light fixture 3 each parts installation and safeguarded particularly need not dismantled mast holder 20 when safeguarding, directly adjusts locking nut 73 and regulate bolt 71 to get final product, and is very easy to use.
More than be merely the preferred embodiments of the present invention,, all any modifications of in spirit of the present invention and principle, being done, be equal to and replace or improvement etc., all should be included in protection scope of the present invention not in order to restriction the present invention.
Claims (7)
1. one kind has the light fixture that prevents the cylinder deflection structure, comprises chassis, mast holder, set-down to promoting mechanism and lift cylinder, and said mast holder and set-down to promoting mechanism are fixed on the chassis; The mast holder comprises a pedestal and corresponding first support arm and second support arm that is convexly set on the pedestal; The distance of said first support arm and set-down to promoting mechanism is less than the distance of said second support arm and set-down to promoting mechanism; Said pedestal and two support arms form the accepting groove of a concave shape, and an end of said lift cylinder connects light fixture and The Cloud Terrace, and its other end is a connecting portion; Connecting portion and said two support arms are hinged and place in the accepting groove of mast holder; It is characterized in that: the side near the mast holder on the chassis convexes with stiffened edge, and on mast holder pedestal, also is provided with the anti-deflection unit near the pedestal of a side of stiffened edge and the part of the second support arm junction, and said anti-deflection unit one end is fixed on the said pedestal; The other end relies on stiffened edge, and said pedestal is the tetragonal body pedestal; The adjusting screw that said anti-deflection unit is screwed on pedestal by the adjusting bolt that is equipped with locking nut forms.
2. according to claim 1 have a light fixture that prevents the cylinder deflection structure, and it is characterized in that: said stiffened edge and chassis are one-body molded.
3. according to claim 1 have a light fixture that prevents the cylinder deflection structure; It is characterized in that: said two support arms are equipped with axis hole; Said connecting portion is provided with a connecting hole, utilizes bearing pin to pass axis hole on said connecting hole and two support arms with movable being connected in the said accepting groove of lift cylinder.
4. according to claim 3 have a light fixture that prevents the cylinder deflection structure, and it is characterized in that: the part that said bearing pin passes the axis hole on first support arm is arranged with a gear, and said gear is fixedly connected with bearing pin, and relative displacement does not take place.
5. according to claim 3 have a light fixture that prevents the cylinder deflection structure; It is characterized in that: said set-down to promoting mechanism comprises motor and driving rack; Said driving rack is by driven by motor work, and said driving rack is meshed with gear on the said axis hole.
6. according to claim 1 have a light fixture that prevents the cylinder deflection structure, it is characterized in that: on the connecting portion of lift cylinder, also be provided with an outstanding limited post, said limited post props up the chassis when said lift cylinder forwards 90 ° to.
7. according to claim 1 have a light fixture that prevents the cylinder deflection structure; It is characterized in that: also one-body moldedly around the pedestal of mast holder be provided with at least one and pedestal is in conplane support ear, the part away from the mast holder on said at least one support ear is provided with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102154364A CN101915387B (en) | 2010-06-30 | 2010-06-30 | Light fitting with cylinder deflection preventing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102154364A CN101915387B (en) | 2010-06-30 | 2010-06-30 | Light fitting with cylinder deflection preventing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915387A CN101915387A (en) | 2010-12-15 |
| CN101915387B true CN101915387B (en) | 2012-10-31 |
Family
ID=43322962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102154364A Expired - Fee Related CN101915387B (en) | 2010-06-30 | 2010-06-30 | Light fitting with cylinder deflection preventing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101915387B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563480B (en) * | 2010-12-29 | 2014-06-18 | 海洋王照明科技股份有限公司 | Vehicle-mounted lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201014371Y (en) * | 2007-02-15 | 2008-01-30 | 深圳市赛瓦特动力科技有限公司 | Mobile lighting lamp tower lamp post mechanism |
| CN101266026A (en) * | 2007-03-12 | 2008-09-17 | 深圳市海洋王投资发展有限公司 | Mobile pharos |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3991341B2 (en) * | 1997-06-10 | 2007-10-17 | 北越工業株式会社 | Floodlight |
-
2010
- 2010-06-30 CN CN2010102154364A patent/CN101915387B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201014371Y (en) * | 2007-02-15 | 2008-01-30 | 深圳市赛瓦特动力科技有限公司 | Mobile lighting lamp tower lamp post mechanism |
| CN101266026A (en) * | 2007-03-12 | 2008-09-17 | 深圳市海洋王投资发展有限公司 | Mobile pharos |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-3614A 1999.01.06 |
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| Publication number | Publication date |
|---|---|
| CN101915387A (en) | 2010-12-15 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20200630 |