CN111120958A

CN111120958A - Height-adjustable's construction LED lamp

Info

Publication number: CN111120958A
Application number: CN202010119196.1A
Authority: CN
Inventors: 林高健
Original assignee: Hangzhou Fuyang Feishang Decoration Engineering Co ltd
Current assignee: Hangzhou Fuyang Feishang Decoration Engineering Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-05-08
Also published as: CN110131608A; CN111140808A; CN110131608B

Abstract

The invention belongs to the technical field of LED lamps, and particularly relates to a height-adjustable construction LED lamp which comprises a lifting outer sleeve, a lifting inner rod, a transmission mechanism and the like, wherein the transmission mechanism is arranged on the side surface of the lifting outer sleeve and matched with the lifting inner rod; the construction LED lamp can be freely adjusted to different required heights from bottom to top; when the lifting inner rod is lifted by shaking the crank, the transmission mechanism completely shakes the crank by an operator to carry out purely mechanical transmission; compared with the traditional lifting mode by hydraulic transmission, the lifting device has lower production and manufacturing cost; in addition, in the height adjusting process of the LED lamp, the height adjustment of the LED lamp can be realized by one person completely, the LED lamp located at the required height can be automatically positioned without an additional auxiliary limiting device, and the LED lamp height adjusting device is relatively simple in structure and easy and convenient to operate.

Description

Height-adjustable's construction LED lamp

Technical Field

The invention belongs to the technical field of LED lamps, and particularly relates to a height-adjustable construction LED lamp.

Background

At present, the traditional construction LED lamp is widely applied to night construction of various engineering construction sites, and is favored by construction workers at night due to high illumination brightness and wide illumination range. The common construction LED lamps in construction sites are roughly divided into two types of fixed height and adjustable height; for the construction LED lamp with fixed height, the height of the LED lamp cannot be adjusted according to actual requirements in the using process, and the used LED lamp needs to occupy a large space for storage; for the existing height-adjustable construction LED lamp, the defects are as follows: the height of the construction LED lamp is adjusted mainly by a hydraulic device or a manual adjustment mode, wherein the hydraulic device is relatively high in cost, and the construction LED lamp adjusted manually needs an auxiliary limiting device in the height adjusting process, so that the adjustment and disassembly are troublesome and the adjustment process is laborious; therefore, the construction LED lamp which is convenient to adjust the height and saves labor is designed.

The invention designs a construction LED lamp with adjustable height to solve the problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention discloses a construction LED lamp with adjustable height, which is realized by adopting the following technical scheme.

In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships which the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the equipment or the elements which are referred to must have a specific orientation, be constructed in a specific orientation or be operated, and thus cannot be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The utility model provides a height-adjustable's construction LED lamp which characterized in that: the LED lamp lifting device comprises a base, a lifting outer sleeve, a lifting inner rod, a control module, LED lamps and a transmission mechanism, wherein the lifting outer sleeve is installed on the base, two front guide wheels and two driven wheels are installed on the lower end face of the base, the lifting inner rod vertically slides in the lifting outer sleeve, the control module is installed at the upper end of the lifting inner rod, the two LED lamps are respectively installed on two sides of the control module through connecting rods, and the transmission mechanism is installed on the side face of the lifting outer sleeve and matched with the lifting inner rod.

The transmission mechanism comprises a transmission case, a first gear, a second gear, a first shaft, a sliding block, a first toothed plate, a second trapezoidal guide block, a third spring, a third gear, a second shaft, a fourth gear, a telescopic outer sleeve, a third toothed plate, a first trapezoidal guide block, a telescopic inner rod, a fifth gear, a first spring, a second spring, a volute spiral spring, a first clamping block and a second clamping block, wherein the transmission case is fixedly arranged on the side surface of the lifting outer sleeve, a fixed seat is fixedly arranged at the bottom in the transmission case, and the first shaft is matched with a shaft hole bearing on the fixed seat; the first gear and the second gear are arranged on the first shaft, the first gear penetrates through a transmission groove in the side wall of the transmission box to be meshed with the tooth surface of the lifting inner rod, and a crank arranged on the side surface of the second gear is matched with a round hole in the side surface of the transmission box; a first clamping block fixedly arranged on the side surface of the second gear is matched with a second clamping block fixedly arranged on the first shaft; the scroll spring is nested on the first shaft to reset the rotation of the first shaft.

A second trapezoidal guide block arranged on the side surface of the sliding block is horizontally matched with a second trapezoidal guide groove on the inner wall of the transmission case in a sliding manner; the first toothed plate arranged on the lower end surface of the sliding block is meshed with the second gear; the third spring arranged on the end surface of the sliding block resets the movement of the sliding block; the third gear and the fourth gear are coaxially arranged in the transmission case through a second shaft, and the third gear is meshed with a second gear plate arranged on the upper end face of the sliding block; a first trapezoidal guide block arranged on the side surface of the telescopic outer sleeve slides in a first trapezoidal guide groove on the inner wall of the transmission case in an inclined manner, and a third toothed plate arranged on the inclined side surface of the telescopic outer sleeve is meshed with a fourth gear; the telescopic inner rod with one end provided with a fifth gear is slidably arranged in the telescopic outer sleeve, and the fifth gear is matched with the first gear and the tooth surface of the lifting inner rod; the first spring is arranged in the telescopic outer sleeve and resets the motion of the telescopic inner rod; the second spring is installed in flexible overcoat one end, resets flexible overcoat motion.

As a further improvement of the technology, the inner wall of the lifting outer sleeve is symmetrically provided with two first guide grooves; two first guide blocks are symmetrically arranged on two sides of the lower end of the lifting inner rod, and the two first guide blocks vertically slide in the two first guide grooves respectively; the cooperation of first guide block and first guide slot has guaranteed that the interior pole of going up and down can not break away from in the lift overcoat when moving to a take the altitude along the lift overcoat.

As a further improvement of the technology, the inner wall of the transmission case is provided with a circular groove; the volute spiral spring is positioned in the circular groove, one end of the volute spiral spring is connected with the inner wall of the circular groove, and the other end of the volute spiral spring is connected with the first shaft; one end of the spiral spring is more easily connected with the inner wall of the transmission case when the circular groove exists, and the spiral spring can be hidden by the circular groove, so that the space influence of the spiral spring on other structures is avoided, and the internal structure of the transmission case is more compact; in the initial state, the scroll spring is in a deformed state; in the lifting process of the lifting inner rod, the scroll spring releases energy under the common acting force of a person and the scroll spring, and the scroll spring offsets part of the gravity of the lifting inner rod, so that the person is more labor-saving in the operation process; when the lifting inner rod descends, the volute spiral spring deforms and stores energy, partial gravity of the lifting inner rod is offset again, on one hand, an operator is more labor-saving, on the other hand, the lifting inner rod slowly descends, and impact collision between the lifting inner rod and the lifting outer sleeve caused by rapid descending of the lifting inner rod is avoided.

As a further improvement of the technology, the base is provided with a diesel power generation device which is connected with the two LED lamps through a lead; the diesel power generation device provides power for the LED lamp through power generation.

As a further improvement of the technology, an annular groove is formed in the inner wall of the shaft hole in the second gear along the circumferential direction, the first clamping block is fixedly mounted on the inner wall of the annular groove, and the second clamping block is located in the annular groove; the existence of the ring groove enables the clamping block and the second clamping block to be hidden, the space occupied inside the transmission case is reduced, and the internal structure of the transmission mechanism is more compact.

As a further improvement of the technology, a first compression spring plate and a second compression spring plate are mounted on the inner wall of the transmission case, the sliding block is connected with the second compression spring plate through a second telescopic column, and a third spring is nested on the third telescopic column; one end of the third spring is connected with the end face of the sliding block, and the other end of the third spring is connected with the second compression spring plate; the telescopic outer sleeve is connected with the first compression spring plate through a first telescopic column, and the second spring is nested on the first telescopic column; one end of the second spring is connected with the end face of the telescopic outer sleeve, and the other end of the second spring is connected with the first pressure spring plate; the second spring is a compression spring, and the third spring is compressible and stretchable; the first telescopic column and the second telescopic column respectively provide certain support for the compression of the second spring and the third spring, and the second spring and the third spring are prevented from being bent while being compressed to cause compression failure of the second spring and the third spring.

As a further improvement of the technology, the inner wall of the telescopic outer sleeve is symmetrically provided with two second guide grooves; two second guide blocks are symmetrically arranged on two side surfaces of the telescopic inner rod and respectively slide in the two second guide grooves; the cooperation of second guide block and second guide slot has guaranteed that flexible interior pole can not break away from in the flexible overcoat.

As a further improvement of the present technology, the elastic modulus of the third spring is larger than the elastic modulus of the second spring; when the inner rod for lifting is ensured to move from top to bottom, the first toothed plate and the second toothed wheel can be meshed smoothly.

As a further improvement of the technology, the first spring is a compression spring, one end of the first spring is connected with the telescopic inner rod, and the other end of the first spring is connected with the inner wall of the telescopic outer sleeve; in the initial state, the first spring is compressed.

The control module is respectively connected with the two LED lamps through signal wires and controls the brightness and the irradiation angle of the LED lamps; the control module is the prior art, and the invention is not described in detail.

The diesel power generation device is connected with the two LED lamps through a lead.

The maximum elastic force of the third spring is far smaller than the self weight of the lifting inner rod.

Compared with the traditional plastic film wrinkle removing device, the construction LED lamp can be freely adjusted to different required heights from bottom to top; when the lifting inner rod is lifted by shaking the crank, the transmission mechanism completely shakes the crank by an operator to carry out purely mechanical transmission; compared with the traditional lifting mode by hydraulic transmission, the lifting device has lower production and manufacturing cost; in addition, in the height adjusting process of the LED lamp, the height adjustment of the LED lamp can be realized by one person completely, the LED lamp positioned at the required height can be automatically positioned without an additional auxiliary limiting device, the structure is relatively simple, and the operation is simple and convenient; the invention has simple structure and better use effect.

Drawings

FIG. 1 is an overall schematic view of a construction LED lamp.

Fig. 2 is a schematic cross-sectional view of the elevator inner rod and the elevator outer sleeve.

FIG. 3 is a cross-sectional view of the transmission mechanism and the lifter.

Fig. 4 is a schematic view of a transmission housing.

Fig. 5 is a schematic cross-sectional view of the telescopic sheath and the telescopic inner rod.

FIG. 6 is a schematic cross-sectional view of the slider and the transmission case.

FIG. 7 is a cross-sectional view of the transmission case and the telescoping outer sleeve.

Fig. 8 is a schematic cross-sectional view of the drive strands.

FIG. 9 is a cross-sectional view of the spiral spring, the first shaft and the transmission case.

Fig. 10 is a schematic view of a transmission case.

FIG. 11 is a schematic cross-sectional view of a second trapezoidal shaped channel in the transmission housing.

Fig. 12 is a schematic view of the internal transmission of the transmission mechanism.

Fig. 13 is a cross-sectional view of the second gear, the first latch, the second latch, and the first shaft.

Number designation in the figures: 1. a base; 2. a front guide wheel; 3. a driven wheel; 4. lifting the outer sleeve; 5. a first guide groove; 6. an inner lifting rod; 7. a first guide block; 8. a control module; 9. a connecting rod; 10. an LED lamp; 11. a diesel power generation device; 12. a transmission mechanism; 13. a transmission case; 14. a circular groove; 15. a first trapezoidal guide groove; 16. a second trapezoidal guide groove; 17. a circular hole; 18. a transmission groove; 19. a first gear; 20. a second gear; 21. a first shaft; 22. a crank; 23. a slider; 24. a first toothed plate; 25. a second toothed plate; 26. a second trapezoidal guide block; 27. a second compression spring plate; 28. a third spring; 29. a third gear; 30. a second shaft; 31. a fourth gear; 32. a telescopic outer sleeve; 33. a second guide groove; 34. a third toothed plate; 35. a first trapezoidal guide block; 36. a telescopic inner rod; 37. a second guide block; 38. a fifth gear; 39. a first spring; 40. a first compression spring plate; 41. a first telescopic column; 42. a second spring; 43. a fixed seat; 44. a volute spiral spring; 45. a first clamping block; 46. a second fixture block; 47. a second telescopic column; 48. and a ring groove.

Detailed Description

The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.

As shown in fig. 1, the LED lamp lifting device comprises a base 1, a lifting outer sleeve 4, a lifting inner rod 6, a control module 8, LED lamps 10 and a transmission mechanism 12, wherein the lifting outer sleeve 4 is installed on the base 1 with two front guide wheels 2 and two driven wheels 3 installed on the lower end face, the lifting inner rod 6 vertically slides in the lifting outer sleeve 4, the control module 8 is installed at the upper end of the lifting inner rod 6, the two LED lamps 10 are respectively installed on two sides of the control module 8 through connecting rods 9, and the transmission mechanism 12 is installed on the side face of the lifting outer sleeve 4 and is matched with the lifting inner rod 6.

As shown in fig. 4, the transmission mechanism 12 includes a transmission case 13, a first gear 19, a second gear 20, a first shaft 21, a slider 23, a first toothed plate 24, a second toothed plate 25, a second trapezoidal guide block 26, a third spring 28, a third gear 29, a second shaft 30, a fourth gear 31, a telescopic outer sleeve 32, a third toothed plate 34, a first trapezoidal guide block 35, a telescopic inner rod 36, a fifth gear 38, a first spring 39, a second spring 42, a volute spring 44, a first latch 45, and a second latch 46, wherein as shown in fig. 3 and 8, the transmission case 13 is fixedly mounted on the side surface of the lifting outer sleeve 4, a fixed seat 43 is fixedly mounted at the bottom in the transmission case 13, and the first shaft 21 is matched with a shaft hole bearing on the fixed seat 43; as shown in fig. 8, the first gear 19 and the second gear 20 are mounted on a first shaft 21; as shown in fig. 3, the first gear 19 passes through the transmission groove 18 on the side wall of the transmission case 13 and is engaged with the tooth surface on the lifting inner rod 6; as shown in fig. 4, the crank 22 mounted on the side of the second gear 20 is fitted into the circular hole 17 on the side of the transmission case 13; as shown in fig. 13, a first latch 45 fixed to a side surface of the second gear 20 is engaged with a second latch 46 fixed to the first shaft 21; as shown in fig. 9, the scroll spring 44 is nested on the first shaft 21 to return the rotation of the first shaft 21.

As shown in fig. 6 and 8, the second trapezoidal guide block 26 mounted on the side surface of the slide block 23 is horizontally slidably engaged with the second trapezoidal guide groove 16 on the inner wall of the transmission case 13; as shown in fig. 12, the first tooth plate 24 mounted on the lower end surface of the slider 23 is engaged with the second gear 20; as shown in fig. 7, the third spring 28 mounted on the end surface of the slider 23 restores the movement of the slider 23; as shown in fig. 3 and 7, the third gear 29 and the fourth gear 31 are coaxially mounted in the transmission case 13 through the second shaft 30, and the third gear 29 is meshed with the second toothed plate 25 mounted on the upper end surface of the sliding block 23; as shown in fig. 5 and 7, the first trapezoidal guide block 35 mounted on the side of the telescopic jacket 32 slides obliquely in the first trapezoidal guide groove 15 on the inner wall of the transmission case 13; as shown in fig. 13, the third toothed plate 34 mounted on the inclined side of the telescopic jacket 32 is engaged with the fourth gear 31; as shown in fig. 5, 12 and 13, a telescopic inner rod 36 with a fifth gear 38 mounted at one end is slidably mounted in the telescopic outer sleeve 32; as shown in fig. 3, the fifth gear 38 is engaged with the tooth surfaces of the first gear 19 and the lifter inner lever 6; as shown in fig. 5, a first spring 39 is installed in the telescopic sheath 32 to reset the movement of the telescopic inner rod 36; a second spring 42 is mounted at one end of the telescoping outer sleeve 32 to reset the movement of the telescoping outer sleeve 32.

As shown in fig. 2, two first guide grooves 5 are symmetrically formed on the inner wall of the lifting outer sleeve 4; two first guide blocks 7 are symmetrically arranged on two sides of the lower end of the lifting inner rod 6, and the two first guide blocks 7 vertically slide in the two first guide grooves 5 respectively; the cooperation of the first guide block 7 and the first guide groove 5 ensures that the inner lifting rod 6 cannot be separated from the outer lifting sleeve 4 when moving upwards to a certain height along the outer lifting sleeve 4.

As shown in fig. 10, a circular groove 14 is formed on the inner wall of the transmission case 13; as shown in fig. 9, the spiral spring 44 is located in the circular groove 14, and one end thereof is connected to the inner wall of the circular groove 14 and the other end thereof is connected to the first shaft 21; one end of the spiral spring 44 is more easily connected with the inner wall of the transmission case 13 when the circular groove 14 exists, and the spiral spring 44 can be hidden by the circular groove 14, so that the space influence of the spiral spring 44 on other structures is avoided, and the internal structure of the transmission case 13 is more compact; in the initial state, the wrap spring 44 is in a deformed state; in the process of lifting the lifting inner rod 6, the common acting force of a person and the scroll spring 44 is simultaneously applied, the scroll spring 44 releases energy, and the scroll spring 44 offsets part of the gravity of the lifting inner rod 6, so that the labor is saved in the operation process of the person; when the lifting inner rod 6 descends, the volute spiral spring 44 deforms and stores energy, partial gravity of the lifting inner rod 6 is offset again, on one hand, an operator is more labor-saving, on the other hand, the lifting inner rod 6 descends slowly, and impact collision between the lifting inner rod 6 and the lifting outer sleeve 4 caused by rapid descending of the lifting inner rod 6 is avoided.

As shown in fig. 1, a diesel power generator 11 is mounted on the base 1, and the diesel power generator 11 is connected with two LED lamps 10 through a wire; the diesel generator 11 supplies power to the LED lamp 10 by generating electricity.

As shown in fig. 11 and 13, an annular groove 48 is circumferentially formed on an inner wall of the axial hole of the second gear 20, the first latch 45 is fixedly mounted on an inner wall of the annular groove 48, and the second latch 46 is located in the annular groove 48; the existence of the ring groove 48 allows the latch and the second latch 46 to be hidden, reducing the space occupied inside the transmission case 13, and making the internal structure of the transmission mechanism 12 more compact.

As shown in fig. 2 and 12, the inner wall of the transmission case 13 is provided with a first compression spring plate 40 and a second compression spring plate 27, the slider 23 is connected with the second compression spring plate 27 through a second telescopic column 47, and the third spring 28 is nested on the third telescopic column; one end of the third spring 28 is connected with the end face of the sliding block 23, and the other end is connected with the second pressure spring plate 27; the telescopic jacket 32 is connected with the first compression spring plate 40 through a first telescopic column 41, and the second spring 42 is nested on the first telescopic column 41; one end of the second spring 42 is connected with the end face of the telescopic outer sleeve 32, and the other end is connected with the first pressure spring plate 40; the second spring 42 is a compression spring, and the third spring 28 is compressible and stretchable; the first telescopic leg 41 and the second telescopic leg 47 provide a certain support for the compression of the second spring 42 and the third spring 28, respectively, preventing the second spring 42 and the third spring 28 from bending while being compressed, resulting in the compression failure of the second spring 42 and the third spring 28.

As shown in fig. 5, two second guide grooves 33 are symmetrically formed on the inner wall of the telescopic outer sleeve 32; two second guide blocks 37 are symmetrically installed on two side surfaces of the telescopic inner rod 36, and the two second guide blocks 37 respectively slide in the two second guide grooves 33; the cooperation of the second guide 37 with the second guide slot 33 ensures that the telescopic inner rod 36 cannot be disengaged from the telescopic outer sleeve 32.

As shown in fig. 12, the elastic coefficient of the third spring 28 is larger than that of the second spring 42; when the inner lifting rod 6 moves from top to bottom, the first toothed plate 24 and the second toothed wheel 20 can be meshed smoothly.

As shown in fig. 5, the first spring 39 is a compression spring, one end of which is connected to the telescopic inner rod 36 and the other end is connected to the inner wall of the telescopic outer sleeve 32; in the initial state, the first spring 39 is compressed.

The control module 8 of the invention is the prior art, and is respectively connected with two LED lamps 10 through signal wires, and the control module 8 controls the brightness and the irradiation angle of the LED lamps 10.

The diesel power generation device 11 of the invention is connected with the two LED lamps 10 through a lead.

The maximum elastic force of the third spring 28 in the present invention is much smaller than the self weight of the lifter inner rod 6.

The working process of the invention is as follows: in an initial state, the lifting inner rod 6 is positioned at the lowermost end, the end teeth of the second gear plate 25 are just contacted with the lowermost teeth on the third gear 29, the third spring 28 is not deformed, the second spring 42 is compressed, and the fifth gear 38 is simultaneously meshed with the tooth surfaces of the first gear 19 and the lifting inner rod 6; the first latch 45 contacts the second latch 46; the first spring 39 is in a compressed state; the wrap spring 44 is in a deformed state.

As shown in fig. 4 and 13, when the construction LED lamp 10 is used, the lamp head needs to be adjusted to a certain required height, the crank 22 is clockwise shaken by hand, the crank 22 drives the second gear 20 to rotate clockwise, and the second gear 20 drives the first shaft 21 to rotate clockwise through the first fixture block 45 and the second fixture block 46; the first shaft 21 drives the first gear 19 which is coaxial with the second gear 20 to rotate clockwise; the first gear 19 drives the lifting inner rod 6 to move upwards along the lifting outer sleeve 4; meanwhile, the second gear 20 drives the sliding block 23 to horizontally slide along the second trapezoidal guide groove 16 through the first toothed plate 24; the second telescopic column 47 is contracted, and the third spring 28 is compressed and stores energy; since the end teeth of the second toothed plate 25 are just in contact with the lowermost teeth on the third gear 29, the sliding block 23 hardly drives the third gear 29 to rotate through the second toothed plate 25, and the sliding block 23 drives the second toothed plate 25 to gradually move away from the third gear 29.

The crank 22 is further shaken, and when the topmost tooth on the second gear 20 continuously stirs the leftmost tooth on the first toothed plate 24, the sliding block 23 cannot move under the driving of the continuous rotation of the second gear 20 under the action of the third spring 28; at this time, the first gear 19 rotating clockwise rotates the fifth gear 38 engaged therewith in the counterclockwise direction, and the tooth surface of the lifter knob 6 moving upward along the lifter sleeve 4 rotates the fifth gear 38 engaged therewith in the clockwise direction; the teeth of the lifting inner rod 6 and the teeth on the first gear 19 act together to prevent the fifth gear 38 from rotating, and generate an upward oblique thrust on the fifth gear 38; when the teeth of the lifting inner rod 6 and the teeth of the first gear 19 are separated from the corresponding teeth of the fifth gear 38, the fifth gear 38 is close to the lifting inner rod 6 and the first gear 19 under the combined action of the first spring 39; in the process of ascending the lifting inner rod 6, the fifth gear 38 repeatedly makes small-amplitude high-frequency jumping along the direction of the telescopic outer sleeve 32, and the fifth gear 38 does not limit the ascending movement of the lifting inner rod 6.

When the lifting inner rod 6 is adjusted to a proper required height, the crank 22 is stopped to be shaken and the hand is released, under the action of the first spring 39, the teeth on the fifth gear 38 are instantly embedded between the teeth on the first gear 19 and the lifting inner rod 6, the lifting inner rod 6 is about to move downwards by self weight, the lifting inner rod 6 can drive the first gear 19 to rotate anticlockwise, and the fifth gear 38 is about to generate a downward thrust; the lifting inner rod 6 and the first gear 19 which are going to move reversely block the fifth gear 38 embedded in the upper teeth, and the lifting inner rod 6 and the fifth gear 38 do not move; the height of the lifting inner rod 6 is fixed; meanwhile, under the action of the third spring 28, the slider 23 drives the first tooth plate 24 and the second tooth plate 25 to move leftwards along the second trapezoidal guide groove 16, the first tooth plate 24 drives the second gear 20 to rotate anticlockwise in the opposite direction, and the first fixture block 45 is separated from the second fixture block 46; when the leftmost teeth on the second toothed plate 25 meet the lowermost teeth of the third gear 29, the maximum elastic force of the third spring 28 is far smaller than the self weight of the inner lifting rod 6, so that the second toothed plate 25 cannot drive the telescopic jacket 32 to move obliquely upwards through the third gear 29 and the fourth gear 31 under the action of the third spring 28, the fifth gear 38 cannot be separated from the inner lifting rod 6 and the first gear 19, and the slider 23 stops moving.

As shown in fig. 13, when the construction LED lamp 10 is used, it needs to be reset; at this time, the crank 22 is reversely swung counterclockwise, the crank 22 drives the second gear 20 to rotate counterclockwise, the first latch 45 is further away from the second latch 46, the second gear 20 drives the slider 23 to slide leftward along the second trapezoidal guide slot 16 through the first toothed plate 24, and the third spring 28 is gradually stretched; the second toothed plate 25 drives the third gear 29 to rotate clockwise, and the third gear 29 drives the fourth gear 31 to rotate synchronously through the second shaft 30; the fourth gear 31 drives the telescopic jacket 32 to move obliquely upwards along the first trapezoidal guide groove 15 through the third toothed plate 34, the second spring 42 is further compressed, and the first spring 39 gradually releases energy and extends; when the second guide block 37 moves to the limit position along the second guide groove 33, the telescopic jacket 32 drives the telescopic inner rod 36 to move obliquely upwards through the second guide block 37, the fifth gear 38 gradually disengages from the first gear 19 and the lifting inner rod 6, and the limitation on the movement of the lifting inner rod 6 and the first gear 19 is removed.

When the fifth gear 38 releases the motion restriction on the lifting inner rod 6 and the first gear 19, the lifting inner rod 6 moves downwards along the lifting outer sleeve 4 under the action of self weight; the lifting inner rod 6 drives the second fixture block 46 to instantly catch up with the first fixture block 45 through the first gear 19 and the first shaft 21; continuing to shake the crank 22, and slowly moving the lifting inner rod 6 downwards under the stop of the first fixture block 45 which is slowly moving; when the uppermost tooth of the second gear 20 continuously shifts the rightmost tooth of the first tooth plate 24, the third spring 28 is stretched to the longest, and the fifth gear 38 is farthest away from the lifter inner rod 6 and the first gear 19; the slider 23 is maintained at the farthest position from the second pressure spring plate 27 by the cooperation of the third spring 28 and the second gear 20 that continues to rotate.

When the lifting inner rod 6 is lowered to the initial position, the crank 22 is continuously shaken anticlockwise, so that the second gear 20 continuously rotates anticlockwise for a certain angle, the lifting inner rod 6 stops moving, and the first fixture block 45 and the second fixture block 46 are separated by a certain distance; then, the crank 22 is reversely and clockwise shaken, the crank 22 drives the sliding block 23 to move to the right initial position along the second trapezoidal guide groove 16 through the second gear 20 and the first toothed plate 24, and the first fixture block 45 gradually approaches the second fixture block 46 again; the sliding block 23 drives the telescopic jacket 32 to move to the initial position along the first trapezoidal guide groove 15 through the second toothed plate 25, the third gear 29 and the fourth gear 31, and the fifth gear 38 is gradually re-meshed with the lifting inner rod 6 and the first gear 19; when the first fixture block 45 meets the second fixture block 46, the slide block 23 moves to the initial position, the third spring 28 returns to the initial state, the telescopic outer sleeve 32 and the telescopic inner rod 36 move to the initial position, the fifth gear 38 is meshed with the first gear 19 and the lifting inner rod 6 again, and the resetting of the construction LED lamp 10 is finished.

When the LED lamp 10 is adjusted to a high position, the spiral spring 44 releases energy to counteract a part of the gravity of the lifting inner rod 6, so that the operation burden of a wiper is reduced, and an operator is more labor-saving in the adjusting process; when the LED lamp 10 is adjusted downward, the volute spiral spring 44 deforms under the action of the self-weight of the inner rod 6 and stores energy, so as to counteract partial gravity of the inner rod 6, reduce the load born by the operator for maintaining the inner rod 6 to continuously and slowly descend, and save the physical strength of the operator again.

In conclusion, the invention has the beneficial effects that: the construction LED lamp 10 can be freely adjusted to different required heights from bottom to top; when the lifting inner rod 6 is lifted by shaking the crank 22, the transmission mechanism 12 completely carries out purely mechanical transmission by shaking the crank 22 by an operator; compared with the traditional lifting mode by hydraulic transmission, the lifting device has lower production and manufacturing cost; in addition, in the height adjusting process of the LED lamp 10, the height adjustment of the LED lamp 10 can be realized by one person, the LED lamp 10 positioned at the required height can be automatically positioned without an additional auxiliary limiting device, the structure is relatively simple, and the operation is simple and convenient; the scroll spring 44 of the present invention counteracts part of the gravity of the lifter inner rod 6 during operation, thereby reducing the operation load of the operator.

Claims

1. The utility model provides a height-adjustable's construction LED lamp which characterized in that: the LED lamp lifting device comprises a base, a lifting outer sleeve, a lifting inner rod, a control module, LED lamps and a transmission mechanism, wherein the lifting outer sleeve is arranged on the base, two front guide wheels and two driven wheels are arranged on the lower end face of the base;

the transmission mechanism comprises a transmission case, a first gear, a second gear, a first shaft, a sliding block, a first toothed plate, a second trapezoidal guide block, a third spring, a third gear, a second shaft, a fourth gear, a telescopic outer sleeve, a third toothed plate, a first trapezoidal guide block, a telescopic inner rod, a fifth gear, a first spring, a second spring, a volute spiral spring, a first clamping block and a second clamping block, wherein the transmission case is fixedly arranged on the side surface of the lifting outer sleeve, a fixed seat is fixedly arranged at the bottom in the transmission case, and the first shaft is matched with a shaft hole bearing on the fixed seat; the first gear and the second gear are arranged on the first shaft, the first gear penetrates through a transmission groove in the side wall of the transmission box to be meshed with the tooth surface of the lifting inner rod, and a crank arranged on the side surface of the second gear is matched with a round hole in the side surface of the transmission box; a first clamping block fixedly arranged on the side surface of the second gear is matched with a second clamping block fixedly arranged on the first shaft; the scroll spring is nested on the first shaft to reset the rotation of the first shaft;

a second trapezoidal guide block arranged on the side surface of the sliding block is horizontally matched with a second trapezoidal guide groove on the inner wall of the transmission case in a sliding manner; the first toothed plate arranged on the lower end surface of the sliding block is meshed with the second gear; the third spring arranged on the end surface of the sliding block resets the movement of the sliding block; the third gear and the fourth gear are coaxially arranged in the transmission case through a second shaft, and the third gear is meshed with a second gear plate arranged on the upper end face of the sliding block; a first trapezoidal guide block arranged on the side surface of the telescopic outer sleeve slides in a first trapezoidal guide groove on the inner wall of the transmission case in an inclined manner, and a third toothed plate arranged on the inclined side surface of the telescopic outer sleeve is meshed with a fourth gear; the telescopic inner rod with one end provided with a fifth gear is slidably arranged in the telescopic outer sleeve, and the fifth gear is matched with the first gear and the tooth surface of the lifting inner rod; the first spring is arranged in the telescopic outer sleeve and resets the motion of the telescopic inner rod; the second spring is arranged at one end of the telescopic outer sleeve and used for resetting the telescopic outer sleeve;

the inner wall of the transmission box is provided with a first pressure spring plate and a second pressure spring plate, the sliding block is connected with the second pressure spring plate through a second telescopic column, and a third spring is nested on the third telescopic column; one end of the third spring is connected with the end face of the sliding block, and the other end of the third spring is connected with the second compression spring plate; the telescopic outer sleeve is connected with the first compression spring plate through a first telescopic column, and the second spring is nested on the first telescopic column; one end of the second spring is connected with the end face of the telescopic outer sleeve, and the other end of the second spring is connected with the first pressure spring plate; the second spring is a compression spring;

the inner wall of the transmission case is provided with a circular groove; the volute spiral spring is positioned in the circular groove, one end of the volute spiral spring is connected with the inner wall of the circular groove, and the other end of the volute spiral spring is connected with the first shaft; in the initial state, the scroll spring is in a deformed state;

the diesel power generation device is arranged on the base and is connected with the two LED lamps through a lead;

an annular groove is formed in the inner wall of the shaft hole in the second gear along the circumferential direction, the first clamping block is fixedly arranged on the inner wall of the annular groove, and the second clamping block is located in the annular groove; the second gear is matched with the first shaft through a bearing.

2. The height-adjustable construction LED lamp as claimed in claim 1, wherein: two first guide grooves are symmetrically formed in the inner wall of the lifting outer sleeve.

3. The height-adjustable construction LED lamp as claimed in claim 2, wherein: two first guide blocks are symmetrically arranged on two sides of the lower end of the lifting inner rod, and the two first guide blocks vertically slide in the two first guide grooves respectively.

4. The height-adjustable construction LED lamp as claimed in claim 1, wherein: two second guide grooves are symmetrically formed in the inner wall of the telescopic outer sleeve; two second guide blocks are symmetrically arranged on two side surfaces of the telescopic inner rod, and the two second guide blocks slide in the two second guide grooves respectively.

5. The height-adjustable construction LED lamp as claimed in claim 1, wherein: the elastic coefficient of the third spring is larger than that of the second spring.

6. The height-adjustable construction LED lamp as claimed in claim 1, wherein: the first spring is a compression spring, one end of the first spring is connected with the telescopic inner rod, and the other end of the first spring is connected with the inner wall of the telescopic outer sleeve; in the initial state, the first spring is compressed.