CN110925675B

CN110925675B - LED street lamp for garden road

Info

Publication number: CN110925675B
Application number: CN201911230225.5A
Authority: CN
Inventors: 刘益曦
Original assignee: Zhejiang Tongji Vocational College of Science and Technology
Current assignee: Zhejiang Tongji Vocational College of Science and Technology
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2022-05-24
Anticipated expiration: 2039-12-04
Also published as: CN110925675A

Abstract

The application provides a garden road uses LED street lamp, include: the base is fixed on the ground; the axis of the lamp post is vertical to the base, and the lower end of the lamp post is installed on the base; the lamp holder is pivoted at the upper end of the lamp post, and an LED lamp is arranged on the lamp holder; the elevation angle adjusting mechanism comprises a driving gear and a driven gear, the driving gear and the driven gear are both rotatably arranged in the storage chamber of the base and are mutually meshed, an operating handle is arranged on the driving gear, a swing arm is arranged on the driven gear, the front end of the swing arm is connected with a pull rod, and the upper end of the pull rod is connected to the tail end of the lamp holder; and the positioning mechanism is arranged in the storage chamber and is used for blocking the driving gear from rotating. The application provides a gardens road is with LED street lamp's irradiation angle adjustment easy operation easily reaches the best illuminating effect of LED street lamp for the gardens road.

Description

LED street lamp for garden road

Technical Field

The invention relates to the field of LED illumination, in particular to an LED street lamp for a garden road.

Background

Road lighting is an important component of urban road/garden lighting, and with the rapid growth of national economy, the contradiction between energy supply and demand in China is increasingly prominent, and the situation of severe shortage of power supply begins to exist, so that efficient and energy-saving street lamps need to be developed. The LED street lamp is a street lamp manufactured by using an LED light source and has the unique advantages of high efficiency, safety, energy conservation, environmental protection, long service life, high response speed, high color rendering index and the like, so the LED street lamp becomes the best choice for energy-saving reconstruction of road lighting and has very important significance for energy conservation of urban lighting. However, the actual road condition of the road is complex, and the illumination range of the common LED street lamps in the current market is fixed and cannot be adjusted according to the actual condition, so that the actual illumination effect sometimes cannot reach the expected illumination effect.

In summary, how to make the illumination range of the LED street lamp adjustable is a problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the LED street lamp for the garden road, which solves the problem that the actual lighting effect is difficult to achieve the expected lighting effect because the irradiation range of the existing LED street lamp can not be adjusted.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an LED street lamp for garden roads, comprising: the base is fixed on the ground; the axis of the lamp post is vertical to the base, and the lower end of the lamp post is installed on the base; the lamp holder is pivoted at the upper end of the lamp post, and an LED lamp is arranged on the lamp holder; the elevation angle adjusting mechanism comprises a driving gear and a driven gear, the driving gear and the driven gear are both rotatably arranged in a storage chamber of the base and are mutually meshed, an operating handle is arranged on the driving gear, a swing arm is arranged on the driven gear, the front end of the swing arm is connected with a pull rod, and the upper end of the pull rod is connected to the tail end of the lamp holder; and the positioning mechanism is arranged in the storage chamber and is used for blocking the driving gear from rotating.

Furthermore, the driving shaft of the driving gear is rotatably arranged on two side walls of the storage chamber, one end of the driving shaft extends out of the base, a turntable is mounted at one end of the driving shaft, and the operating handle is mounted on the turntable.

Furthermore, the positioning mechanism comprises a rotating arm pivoted in the base, a friction sleeve sleeved on the driving shaft and a locking device, the friction sleeve is connected to the tail end of the rotating arm through a pull rope, and the locking device is used for locking the rotating arm so that the tail end of the rotating arm is kept away from the driving shaft, and further the friction force between the friction sleeve and the driving shaft is increased.

Furthermore, a friction assembly is arranged at the front end of the rotating arm, when the friction force between the friction sleeve and the driving shaft is increased, the friction assembly acts on the driving gear, and the friction assembly blocks the driving gear to rotate by utilizing the friction force.

Furthermore, the friction assembly comprises a sliding rod, a first spring, a sealing cover and a friction pressure head, the sliding rod is arranged in a blind hole in the front end of the rotating arm in a sliding mode, the first spring is limited in the blind hole by the sliding rod, the sealing cover is connected to the front end of the rotating arm, the sliding rod is limited in the blind hole by the sealing cover, the friction pressure head is installed at the outer end of the sliding rod, and the friction pressure head can be abutted to and pressed on the end face of the driving gear.

Furthermore, the positioning mechanism further comprises an operating lever, a pin shaft pivoted on the bottom of the operating lever is in sliding fit with a long sliding hole in the front part of the rotating arm, the upper part of the operating lever penetrates through a through hole in the top wall of the base and extends upwards, and the locking device is used for locking the rotating arm by locking the operating lever.

Furthermore, the locking device comprises a limiting block fixed above the top wall of the base and a limiting plate pivoted to the top of the operating rod, the limiting block is provided with an upper limiting groove and a lower limiting groove, the upper limiting groove is located above the lower limiting groove, and the operating rod is locked by rotating the limiting plate to the upper limiting groove or the lower limiting groove.

Furthermore, a locking assembly is arranged in each of the upper limiting groove and the lower limiting groove and used for locking the limiting plate.

Furthermore, the locking subassembly is including sliding the setting and is in joint in the shoulder hole of stopper, fixing the dog of the outer end opening part of shoulder hole is in with the setting the shoulder hole and be located the stopper with second spring between the dog, the front end of joint stretches out the inner opening and the joint of shoulder hole are in the draw-in groove of limiting plate front end.

(III) advantageous effects

The invention has the beneficial effects that: according to the LED street lamp, the illumination angle can be adjusted by rotating the operating handle to drive the angle of the lamp holder to deflect, the optimal illumination effect of the LED street lamp can be achieved finally, after the adjustment is completed, the operating rod is operated to move downwards, and then the limiting plate is rotated into the lower limiting groove of the limiting block, so that the illumination angle can be locked, and the operation in the whole process is simple; in addition, among the positioning mechanism, when the friction cover utilizes frictional force to block the driving shaft rotation, the friction subassembly utilizes frictional force to block the driving gear rotation, sets up like this and makes the effect that positioning mechanism blocks the driving gear rotation better.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic sectional view at a-a in fig. 2.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Fig. 5 is a partially enlarged schematic view of fig. 4.

Fig. 6 is a schematic structural view of the locking device of the present invention.

Fig. 7 is a schematic sectional view at B-B in fig. 6.

Fig. 8 is a schematic structural view of the friction sleeve of the present invention.

In the drawings: the lamp comprises a base 10, a storage chamber 11, a through hole 12, a lamp post 20, a lamp holder 30, an LED lamp 40, an elevation angle adjusting mechanism 50, a driving gear 51, an operating handle 511, a driving shaft 512, a rotary table 513, a ring-shaped groove 514, a driven gear 52, a swing arm 521, a pull rod 53, a slider 54, a second pull rod 55, a positioning mechanism 60, a fixed rod 61, a rotating arm 62, a straight rod 621, a long sliding hole 6211, a blind hole 6212, a warped rod portion 622, a hook portion 623, a friction sleeve 63, an outer shape layer 631, a pull rope 632, an inner friction layer 633, a friction assembly 64, a sliding rod 641, a first spring 642, a sealing cover, a friction pressure head 644, an operating rod 65, a locking device 66, a limiting plate 661, a clamping groove 6611, a limiting block 662, an upper limiting groove 6621, a lower limiting groove 6622, a stepped hole 6623, a holding rod 663, a locking assembly, a clamping head 6641, a second spring 6642, a stop 6643, a protective box 67, a rotating shaft 68 and a pin 69.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.

Referring to fig. 1 to 8, the LED street lamp for garden road shown in fig. 1 includes: the lamp holder 30 comprises a base 10, a lamp post 20, a lamp holder 30, an elevation angle adjusting mechanism 50 and a positioning mechanism 60, wherein the base 10 is fixed on the ground, the axis of the lamp post 20 is perpendicular to the base 10, the lower end of the lamp post 20 is installed on the base 10, the middle part of the lamp holder 30 is pivoted to the upper end of the lamp post 20, an LED lamp 40 is arranged on the front part of the lamp holder 30, the elevation angle adjusting mechanism 50 is connected to the tail end of the lamp holder 30, the elevation angle adjusting mechanism 50 is used for controlling and adjusting the elevation angle of the lamp holder 30, the positioning mechanism 60 is installed in a storage chamber 11, and the positioning mechanism 60 is used for blocking a driving gear 51 of the elevation angle adjusting mechanism 50 to rotate.

In this embodiment, as shown in fig. 1 and 2, the elevation angle adjusting mechanism 50 includes a driving gear 51, a driven gear 52, a pull rod 53, a slider 54 and a second pull rod 55, a driving shaft 512 of the driving gear 51 is rotatably and horizontally disposed on two side walls of the storage chamber 11, one end of the driving shaft 512 extends outward from the base 10, a rotating plate 513 is mounted on one end of the driving shaft 512 extending out of the base 10, an operating handle 511 is mounted on the rotating plate 513, the driven gear 52 is rotatably disposed in the storage chamber 11 of the base 10, the driven gear 52 and the driving gear 51 are engaged with each other, a swing arm 521 is fixed on the driven gear 52, the slider 54 is slidably disposed in the hollow lamp pole 20, the slider 54 can slide up and down in the lamp pole 20, a lower end of the pull rod 53 is pivotally connected to a front end of the swing arm 521, an upper end of the pull rod 53 passes through a top wall of the base 10 and extends upward into the lamp pole 20, when the irradiation angle of the street lamp needs to be adjusted, a user holds the operating handle 511 to rotate the rotary plate 513, the rotary plate 513 drives the driving gear 51 to rotate, the rotary driving gear 51 drives the driven gear 52 to rotate, when the driven gear 52 rotates, the swing arm 521 on the driven gear 52 drives the sliding block 54 to slide in the lamp pole 20 through the pull rod 53, and the sliding block 54 drives the lamp holder 30 to rotate through the second pull rod 55, so that the irradiation angle of the street lamp is adjusted.

In this embodiment, as shown in fig. 2, 3, 4, and 8, the positioning mechanism 60 includes a fixing rod 61, a rotating arm 62, a friction sleeve 63, an operating lever 65, and a locking device 66, the fixing rod 61 is fixed on the top wall of the storage chamber 11, the rotating arm 62 has a straight rod 621, a bent rod 622, and a hook 623 that are connected in sequence, the connection between the straight rod 621 and the bent rod 622 is pivoted on the lower portion of the fixing rod 61 through a rotating shaft 68, the end of the bent rod 622 is bent and extended in a direction away from the driving shaft 512, a pin 69 pivoted on the bottom of the operating lever 65 is slidably engaged with a long sliding hole 6211 of the straight rod 621, the upper portion of the operating lever 65 passes through a through hole 12 on the top wall of the base 10 and extends upward, the friction sleeve 63 in a "U" shape is sleeved on the outer periphery of the driving shaft 512, the friction sleeve 63 is composed of an outer shape layer 631 and an inner friction layer 633, the inner friction layer 633 is adhered on the inner surface of the outer shape layer 631 by glue, the outer layer 631 is connected to a pull rope 632, the pull rope 632 is hooked on a hook portion 623 of the rotating arm 62, when the operating lever 65 is operated to move downwards, the operating lever 65 drives the rotating arm 62 to rotate counterclockwise around the rotating shaft 68, the end of the rotating arm 62 pulls the pull rope 632, so that the inner friction layer 633 of the friction sleeve 63 tightly abuts against the driving shaft 512, the friction force between the friction sleeve 63 and the driving shaft 512 is increased, the driving shaft 512 is blocked from rotating, when the operating lever 65 is operated to move upwards, the operating lever 65 drives the rotating arm 62 to rotate clockwise around the rotating shaft 68, the end of the rotating arm 62 releases the pulling of the pull rope 632, the friction sleeve 63 is separated from the driving shaft 512 under the action of gravity, the driving shaft 512 can rotate freely, the locking device 66 is arranged at the top of the base 10, and the locking device 66 is used for locking the operating lever 65, thereby locking the rotating arm 62.

In this embodiment, as shown in fig. 2, 3, 4, and 5, a friction assembly 64 is disposed at the front end of the rotating arm 62, the friction assembly 64 includes a sliding rod 641, a first spring 642, a cover 643, and a friction ram 644, the sliding rod 641 is slidably disposed in the blind hole 6212 at the front end of the straight rod 621, the first spring 642 is disposed in the blind hole 6212, and the first spring 642 is located between the end of the sliding rod 641 and the inner end wall of the blind hole 6212, the cover 643 is connected to the front end of the rotating arm 62, the cover 643 limits the sliding rod 641 in the blind hole 6212, the friction ram 644 is mounted at the outer end of the sliding rod 641, when the friction force between the friction sleeve 63 and the driving shaft 512 increases, the straight rod 621 of the rotating arm 62 is in a horizontal state, the friction ram 644 tightly presses against the annular groove 514 in the end surface of the driving gear 51 under the elastic force of the first spring 642 to block the rotation of the driving gear 51 with the friction force, and the friction assembly 64 cooperates with the friction sleeve 63 to make the positioning mechanism 60 better block the rotation of the driving gear 51.

In this embodiment, as shown in fig. 3, 6 and 7, the locking device 66 includes a limiting block 662 and a limiting plate 661, the limiting block 662 is fixed above the top wall of the base 10, the limiting block 662 is provided with an upper limiting groove 6621 and a lower limiting groove 6622, the upper limiting groove 6621 is located above the lower limiting groove 6622, the right side, the front side and the rear side of the upper limiting groove 6621 respectively penetrate through the right side surface, the front side surface and the rear side surface of the limiting block 662, the right side, the front side and the rear side of the lower limiting groove 6622 respectively penetrate through the right side surface, the front side surface and the rear side surface of the limiting block 662, the limiting plate 661 is rotatably disposed on the top of the operating lever 65, a holding rod 663 is disposed above the rear end of the limiting plate 661, when in use, the operating lever 65 is locked by rotating the front portion of the limiting plate 661 into the upper limiting groove 6621 or the lower limiting groove 6622, when the limiting plate 661 is rotated into the lower limiting groove 6622, the friction sleeve 63 and the friction assembly 64 are in a state of the driving gear 51 being blocked, when the position-limiting plate 661 is rotated to the upper position-limiting groove 6621, the driving gear 51 can rotate freely, and in addition, the left side of the upper position-limiting groove 6621 and the left side of the lower position-limiting groove 6622 are both provided with a locking assembly 664, the locking assembly 664 is used for preventing the position-limiting plate 661 from accidentally disengaging from the upper position-limiting groove 6621 or the lower position-limiting groove 6622, the locking assembly 664 comprises a snap head 6641 slidingly arranged in the stepped hole 6623 of the position-limiting block 662, a stop 6643 fixed at the opening of the outer end of the stepped hole 6623 and a second spring 6642 arranged in the stepped hole 6623 and between the stop 662 and the stop 6643, the front end of the snap head 6641 extends out of the opening of the inner end of the stepped hole 6623 and extends into the upper position-limiting groove 6621 or the lower position-limiting groove 6622, when the position-limiting plate 661 is rotated to the upper position-limiting groove 6621 or the lower position-limiting groove 6622, the front end of the snap head 6641 is snapped in the snap groove 6611 of the front end of the position-limiting plate 661, in addition, the upper position-locking device 66 is provided with a protective box 67, the protective box 67 is a box with a lock.

In this embodiment, as shown in fig. 1 and fig. 2, when the LED street lamp for garden roads is installed, the operating handle 511 is rotated to drive the angle of the lamp holder 30 to deflect, so that the illumination angle can be adjusted, and finally, the LED street lamp can achieve the optimal illumination effect.

It should be noted that the embodiments described herein are only preferred modes for carrying out the invention and that all obvious modifications which are within the overall spirit of the invention are intended to be within the scope of the invention.

Claims

1. The utility model provides a garden road uses LED street lamp which characterized in that includes:

a base (10), the base (10) being fixed to the ground;

a lamp post (20), wherein the axis of the lamp post (20) is vertical to the base (10), and the lower end of the lamp post (20) is installed on the base (10);

the lamp holder (30) is pivoted at the upper end of the lamp post (20), and an LED lamp (40) is arranged on the lamp holder (30);

The elevation angle adjusting mechanism (50) comprises a driving gear (51) and a driven gear (52), the driving gear (51) and the driven gear (52) are rotatably arranged in the storage chamber (11) of the base (10), the driving gear (51) is meshed with the driven gear (52), the driving gear (51) is provided with an operating handle (511), the driven gear (52) is provided with a swing arm (521), the front end of the swing arm (521) is connected with a pull rod (53), and the upper end of the pull rod (53) is connected with the tail end of the lamp holder (30);

the positioning mechanism (60) is installed in the storage chamber (11), and the positioning mechanism (60) is used for retarding the rotation of the driving gear (51), wherein the positioning mechanism (60) comprises a rotating arm (62) pivoted in the base (10), a friction sleeve (63) sleeved on a driving shaft (512) of the driving gear (51) and a locking device (66), the friction sleeve (63) is connected to the tail end of the rotating arm (62) through a pull rope (632), a friction component (64) is arranged at the front end of the rotating arm (62), the locking device (66) is used for locking the rotating arm (62) so that the tail end of the rotating arm (62) is kept away from the driving shaft (512), the friction force between the friction sleeve (63) and the driving shaft (512) is increased, and when the friction force between the friction sleeve (63) and the driving shaft (512) is increased, the friction component (64) acts on the driving shaft (512) The friction assembly (64) blocks the driving gear (51) to rotate by using friction force, the friction assembly (64) comprises a sliding rod (641), a first spring (642), a cover (643) and a friction pressure head (644), the sliding rod (641) is arranged in a blind hole (6212) at the front end of the rotating arm (62) in a sliding mode, the sliding rod (641) limits the first spring (642) in the blind hole (6212), the cover (643) is connected to the front end of the rotating arm (62), the cover (643) limits the sliding rod (641) in the blind hole (6212), the friction pressure head (644) is arranged at the outer end of the sliding rod (641), and the friction pressure head (644) can press against the end face of the driving gear (51).

2. The LED street lamp for garden road as claimed in claim 1, wherein the driving shaft (512) is rotatably disposed on both side walls of the storage room (11), one end of the driving shaft (512) extends out of the base (10), one end of the driving shaft (512) is mounted with a turntable (513), and the turntable (513) is mounted with the operating handle (511).

3. The LED street light for garden roads as claimed in claim 1, wherein the positioning mechanism (60) further comprises an operating lever (65), a pin (69) pivoted on the bottom of the operating lever (65) is slidably engaged with a long sliding hole (6211) formed in the front of the rotating arm (62), the upper part of the operating lever (65) passes through the through hole (12) formed in the top wall of the base (10) and protrudes upward, and the locking device (66) is used for locking the rotating arm (62) by locking the operating lever (65).

4. The LED street light for the garden road as claimed in claim 3, wherein the locking device (66) comprises a limiting block (662) fixed above the top wall of the base (10) and a limiting plate (661) pivoted on the top of the operating lever (65), the limiting block (662) is provided with an upper limiting groove (6621) and a lower limiting groove (6622), the upper limiting groove (6621) is located above the lower limiting groove (6622), and the operating lever (65) is locked by rotating the limiting plate (661) into the upper limiting groove (6621) or the lower limiting groove (6622).

5. The LED street lamp for garden roads as claimed in claim 4, wherein a locking assembly (664) is disposed in each of the upper and lower limiting grooves (6621, 6622), and the locking assembly (664) is used to lock the limiting plate (661).

6. The LED street lamp according to claim 5, wherein the locking assembly (664) comprises a snap joint (6641) slidably disposed in a stepped hole (6623) of the stopper block (662), a stopper (6643) fixed at an outer end opening of the stepped hole (6623), and a second spring (6642) disposed in the stepped hole (6623) and between the stopper block (662) and the stopper (6643), wherein a front end of the snap joint (6641) protrudes from an inner end opening of the stepped hole (6623) and is snapped in a snap joint (6611) at a front end of the stopper plate (661).