CN110207049B

CN110207049B - LED lighting equipment convenient to change

Info

Publication number: CN110207049B
Application number: CN201910486759.8A
Authority: CN
Inventors: 林晓燕; 张兴满
Original assignee: Histar Electric Huizhou Co ltd
Current assignee: Histar electric (Huizhou) Co.,Ltd.
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2021-05-11
Anticipated expiration: 2039-06-05
Also published as: CN110207049A

Abstract

The invention belongs to the technical field of LED lamps, and particularly relates to an LED lighting device convenient to replace, which comprises an LED lamp post, a mounting rod, a supporting mechanism, a synchronous belt and a driving handle, wherein the LED lamp controls the supporting mechanism for supporting the LED lamp post to move up and down through the manual control synchronous wheel, and replaces and installs the LED lamp post; the two first supporting blocks can be smoothly pulled out, and the supporting mechanism can smoothly move downwards.

Description

LED lighting equipment convenient to change

Technical Field

The invention belongs to the technical field of LED lamps, and particularly relates to an LED lighting device convenient to replace.

Background

With the development of society, people pursue high-efficiency and energy-saving lighting modes, so that the technology of the LED lamp is paid more and more attention, and the application of the LED lamp is wider and more. In the existing dimming and color-mixing LED lighting products in the lighting field, an intelligent circuit for controlling the color temperature of light is generally arranged on a power supply, and then the dimming and color-mixing functions are realized through double-path output of a common positive level or a common negative level; some outdoor parks and casinos, in order to improve recreational and illumination evening, can design some LED lamps of different colors in park and casinos, and for safety and practicality, often can install the LED lamp in the eminence, be convenient for on the one hand throw light on, on the other hand also prevents that people from electrocuting by accident, but install the LED lamp in the eminence, after the bulb is worn out or reaches life, just need change, because its department is in the eminence in the change process, so change just harder.

The invention designs an LED lighting device convenient to replace, and solves the problems.

Disclosure of Invention

In order to solve the above defects in the prior art, the invention discloses an LED lighting device convenient to replace, 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 that the products of the present invention usually place when using, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not 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.

An LED lighting device convenient to change which characterized in that: the LED lamp post comprises an LED lamp post, an installation rod, a supporting mechanism, a synchronous belt, a driving handle, a first synchronous wheel, a first rotating shaft, a second synchronous wheel and a second rotating shaft, wherein the installation rod is hollow, two first supporting grooves are symmetrically formed in the inner side surface of the installation rod, the first supporting grooves are used for supporting the supporting slide block through the matching of two first supporting blocks arranged on the supporting slide block and the two first supporting grooves when the supporting slide block is positioned at the uppermost end, in addition, in the state, the two first supporting blocks are in plane contact with the corresponding first supporting grooves, and the supporting slide block is more stably supported by the two first supporting grooves; the two first supporting grooves are positioned at the upper end of the mounting rod, the side surface of the mounting rod, which is not provided with the first supporting grooves, is provided with a clamping block, the clamping block is provided with a second supporting groove, the second supporting groove has the function that when the synchronous belt starts to pull the steel wire downwards, the steel wire can provide a downward pulling force for the supporting slide block, because the supporting slide block is positioned at the uppermost end at the moment, the two first supporting blocks are in contact fit with the two first supporting grooves, under the pulling force of the steel wire, the supporting slide block is subjected to a vertical downward force to be increased, namely, the friction force between the two first supporting blocks and the corresponding first supporting grooves is increased, so that the resistance of the two first supporting blocks to move corresponding to the first supporting grooves is increased, the resistance of the first supporting blocks to be pulled by the steel wire is also increased, the pulling force of the steel wire is increased, the resistance of the first supporting blocks to be pulled by the steel wire is also increased, so that under the state, the two first, the supporting slide block can not move downwards, but the steel wire passes through the fixed pulley which is arranged on the sliding shell; the sliding shell is in up-and-down sliding fit with the supporting slide block, so that the steel wire can transmit the pulling force to the sliding shell through the fixed pulley, the sliding shell moves downwards, and the sliding shell moves downwards to drive the second supporting block to move downwards; in the moving process, after the inclined surface of the lower side of the second supporting block is contacted with the second supporting groove, the second supporting groove can provide an upward supporting force for the second supporting block, and because the inclined angle of the inclined surface of the lower side of the second supporting block is smaller, the second supporting block cannot be pushed by the second supporting groove to move towards the inner side of the sliding shell easily, so that in the state, the second supporting groove can provide the sliding shell with the upward supporting force through the second supporting block, and bears most of downward pulling force of the steel wire through the supporting force, so that the pressure transmitted between the first supporting block and the first supporting groove when the steel wire is pulled downwards is reduced, namely the resistance of the first supporting block pulled by the steel wire is reduced, and in the state, the steel wire can pull the first supporting block to move through the steel wire; the inner side surface of the lower end of the mounting rod is provided with a shaft hole; the first rotating shaft is arranged on the mounting rod through a shaft hole on the mounting rod; the driving handle is arranged at one end of the first rotating shaft, which is positioned at the outer side of the mounting rod; the first synchronous wheel is arranged at one end of the first rotating shaft, which is positioned at the inner side of the mounting rod; the second rotating shaft is arranged on the inner side surface of the upper end of the mounting rod; the second synchronizing wheel is arranged on the second rotating shaft; the second synchronous wheel is connected with the first synchronous wheel through a synchronous belt; the driving handle is driven manually, the first rotating shaft is driven to rotate through the driving handle, the first rotating shaft drives the first synchronizing wheel to rotate, and the first synchronizing wheel drives a synchronous belt connected between the first synchronizing wheel and the second synchronizing wheel to move through rotation; the supporting mechanism is arranged on the inner side of the mounting rod in a sliding fit manner, and the sliding of the supporting mechanism in the mounting rod is driven by the synchronous belt; the LED lamp pole is installed on the supporting mechanism, and the upper end of the LED lamp passes through the lamp hole formed in the upper end face of the installation pole and is located on the upper side of the installation pole.

The supporting mechanism comprises a supporting slide block, a first supporting block, a second supporting block, a first return spring, a sliding shell, a third return spring, a limiting strip, a fixed pulley, a fourth return spring, a first mounting groove, a second mounting groove and a steel wire, wherein two second mounting grooves are symmetrically formed in two side surfaces of the supporting slide block, and a first mounting groove which is communicated with the front side and the rear side is formed in the rear side surface of the supporting slide block; the supporting slide block is arranged on the inner side of the mounting rod in a sliding fit manner; the two first supporting blocks are respectively installed in the two second installation grooves in a sliding fit mode, and a first reset spring is installed between one end, located in the corresponding second installation groove, of each first supporting block and the corresponding second installation groove; the first reset spring plays a reset role in the corresponding first supporting block; the two first supporting blocks are matched with the two first supporting grooves formed in the mounting rod; the sliding shell is installed in the first installation groove in a vertically sliding fit mode, and a third return spring is installed between the lower side face of the sliding shell and the lower side face of the first installation groove; the third return spring plays a role in returning to the sliding shell, and is in a micro-compression state under the action of gravity of the sliding shell when the supporting sliding block is positioned at the uppermost end; the upper side and the lower side of one end of the second supporting block are respectively provided with an inclined plane, and the inclination angle of the lower inclined plane is smaller than that of the upper inclined plane; the function of the support device is to ensure that the second supporting block can not be easily pushed back into the sliding shell by the second supporting groove through the lower side inclined plane of the second supporting block in the process that the supporting slide block moves downwards; in the process that the supporting slide block moves upwards, the upper side inclined plane of the second supporting block is in contact with the second supporting groove through the upper side inclined plane of the second supporting block, and then the supporting slide block can be easily reset by the fourth reset spring; the second supporting block is arranged in the sliding shell in a sliding fit manner, and a fourth return spring is arranged between one end of the second supporting block, which is positioned on the inner side of the sliding shell, and the sliding shell; the fourth return spring is used for returning the second supporting block; the second supporting block is matched with a second supporting groove formed in a clamping block arranged on the mounting rod; the two limiting strips are symmetrically arranged on two side surfaces of the first mounting groove; the two limiting strips are matched with the sliding shell; the limiting strip limits the sliding shell; when the second supporting block on the sliding shell is separated from the second supporting groove, the sliding shell can drive the supporting slide block to move downwards through the limiting strip; the fixed pulley is arranged at the front end of the sliding shell; one of the two first supporting blocks is connected with a steel wire, and the steel wire penetrates through a steel wire hole formed in the supporting slide block and is fixed with the synchronous belt through a fixed pulley.

The upper end surface of the supporting sliding block and the synchronous belt are connected with a steel wire through a pulling plate, and when the supporting sliding block is positioned at the uppermost side, the steel wire between the upper end surface of the supporting sliding block and the synchronous belt is in a loose state; the supporting slide block is arranged on the upper end face of the supporting slide block, the driving plate is arranged on the lower side of the supporting slide block, the driving plate is connected with the synchronous belt, and the steel wire is arranged on the lower side of the supporting slide block; the steel wire at the lower side of the supporting sliding block, which is connected with the synchronous belt through the driving plate, is not always in a straightening state, so that the return of the first supporting block is not influenced; the steel wire section is used for facilitating the synchronous belt to drive the supporting slide block to move upwards.

The upper side surface of the supporting slide block, which is provided with the first mounting groove, is provided with a mounting through groove communicated with the two second mounting grooves; the driving gear is installed in the installation through groove through a gear shaft, one end of the first rack is installed on one of the two first supporting blocks, and the other end of the first rack is meshed with the driving gear; one end of a second rack is arranged on the other first supporting block in the two first supporting blocks, the other end of the second rack is meshed with the driving gear, and the first rack and the second rack are arranged on the upper side and the lower side of the driving gear; when the first driving block connected with the steel wire in the two first supporting blocks moves, the other first driving block also moves through the transmission of the first rack, the driving gear and the second rack, and the moving directions of the two first supporting blocks are opposite and the amplitudes of the two first supporting blocks are the same.

When the supporting slide block is positioned at the uppermost side, a gap is formed between the second supporting block and the lower side surface of the corresponding second supporting groove; this clearance can be guaranteed to be located when the support slider is topmost, and the support slider provides the holding power to it through two first supporting blocks because when the support slider is located topmost, for the cooperation of straight face between two first supporting blocks and the first supporting groove that corresponds for two first supporting grooves are more stable to the support of support slider.

As a further improvement of the technology, four guide grooves are symmetrically formed on two inner side surfaces of the mounting rod, and guide blocks are mounted on four corners of the supporting slide block; the supporting slide block is arranged in the mounting rod through the sliding fit of the four guide blocks and the four guide grooves; the supporting sliding block is guided by the matching of the four guide blocks and the four guide grooves.

As a further improvement of the technology, a protective shell for protecting the driving handle is arranged on the side surface of the lower end of the mounting rod, and a protective door with a locking function is arranged on the protective shell; prevent that non-staff from removing the LED lamp pole under the state of unknown.

As a further improvement of the technology, the upper end of the mounting rod is provided with a reflecting plate which plays a role in reflecting light for the LED lamp post through the supporting rod.

As a further improvement of the technology, two third guide grooves are symmetrically formed on two side surfaces of the front end of the first mounting groove formed on the supporting slide block; two fifth guide blocks are symmetrically arranged on two sides of one end of the driving plate, the driving plate is arranged on the supporting slide block through the sliding fit of the two fifth guide blocks and the two third guide grooves, and a steel wire connected with the first supporting block is connected with one end of the driving plate, which is provided with the fifth guide blocks; the other end of the driving plate is connected with the synchronous belt; the cooperation through two fifth guide blocks and two third guide slots plays the guide effect to the drive plate, prevents because the drive plate under the drive of hold-in range, because the flexible of hold-in range and take place the swing, influences the removal of hold-in range.

As a further improvement of the technology, two first guide grooves are symmetrically formed on two side surfaces of the rear end of the first mounting groove formed on the supporting slide block; two first guide blocks are symmetrically arranged on two side surfaces of the sliding shell, and the sliding shell is arranged on the supporting slide block through the matching of the two first guide blocks and the two first guide grooves; the sliding shell is guided by the matching of the two first guide blocks and the two first guide grooves.

As a further improvement of the present technology, two fourth guide grooves are symmetrically formed on two inner side surfaces of the sliding shell, two second guide blocks are symmetrically installed on two side surfaces of the second support block, the second support block is installed on the sliding shell through the sliding fit of the two second guide blocks and the two fourth guide grooves, and the second support block is guided by the fit of the two second guide blocks and the two fourth guide grooves.

As a further improvement of the technology, two second guide grooves are symmetrically formed on two side surfaces of a second mounting groove formed in the supporting slide block; two fourth guide blocks are symmetrically arranged on two side surfaces of the first supporting block, and the first supporting block is arranged on the supporting slide block through the sliding fit of the two fourth guide blocks and the two second guide grooves; the first supporting block is guided by the matching of the two fourth guide blocks and the two second guide grooves.

As a further improvement of the present technology, the first return spring, the third return spring, and the fourth return spring are all compression springs.

As a further improvement of this technique, the first return spring, the second return spring, the third return spring, and the fourth return spring are all in a pre-compressed state when the support slider is positioned at the uppermost side.

Compared with the traditional LED lamp technology, the LED lamp designed by the invention controls the support mechanism for supporting the LED lamp post to move up and down through the manual control synchronizing wheel, so as to replace and install the LED lamp post; the supporting mechanism for supporting the LED lamp pole simultaneously can not increase the friction force between the two first supporting blocks and the two first supporting grooves when starting to move downwards, the downward pulling force is transmitted to the supporting slide block through the fixed pulley, the two first supporting blocks can be smoothly pulled out, and the supporting mechanism can smoothly move downwards.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the overall component distribution.

Fig. 3 is a schematic view of the support mechanism installation.

Fig. 4 is a schematic view of the first supporting block matching with the first supporting groove.

FIG. 5 is a schematic view of the second support block being engaged with the second support groove.

Figure 6 is a schematic view of the second support block operating principle.

Fig. 7 is a schematic view of the mounting bar configuration.

Fig. 8 is a cartridge mounting diagram.

Fig. 9 is a schematic view of a shield case structure.

Figure 10 is a timing belt installation schematic.

Figure 11 is a schematic of the drive plate and timing belt connection.

Fig. 12 is a schematic view of the support mechanism distribution.

Fig. 13 is an external view of the support mechanism.

Fig. 14 is a schematic view of the first support block installation.

Fig. 15 is a schematic view of a slide housing installation.

Fig. 16 is a drive gear mounting schematic.

Fig. 17 is a schematic view of a support slider structure.

FIG. 18 is a schematic view of a first mounting groove structure.

FIG. 19 is a schematic view of the second mounting groove distribution.

Fig. 20 is a schematic view of the distribution of the internal structure of the support slider.

Figure 21 is a second support block mounting schematic.

Fig. 22 is a schematic view of a slide housing construction.

Fig. 23 is a schematic view of a second support block structure.

Fig. 24 is a schematic structural view of the first support block.

Fig. 25 is a schematic view of the first and second rack profiles.

Number designation in the figures: 1. an LED lamp post; 2. mounting a rod; 3. a protective shell; 4. a support mechanism; 5. a synchronous belt; 6. a support slide block; 7. a first support block; 8. a second support block; 9. a shaft hole; 10. a guide groove; 11. a clamping block; 12. a first support groove; 13. a lamp hole; 14. a second support groove; 15. a protective door; 16. a drive handle; 17. a first synchronizing wheel; 18. a first rotating shaft; 19. a second synchronizing wheel; 20. a second rotating shaft; 21. pulling the movable plate; 22. a drive plate; 23. a second rack; 24. a first return spring; 25. a first rack; 26. a drive gear; 27. a sliding shell; 28. a third return spring; 29. a limiting strip; 30. a fixed pulley; 31. a fourth return spring; 32. a first guide groove; 33. a first mounting groove; 34. a second guide groove; 35. a guide block; 36. a second mounting groove; 37. a third guide groove; 38. a steel wire hole; 40. a steel wire; 41. a first guide block; 42. a fourth guide groove; 43. a second guide block; 48. a fourth guide block; 49. a fifth guide block; 50. installing a through groove; 51. a reflector; 52. a gear shaft; 53. a support rod.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the LED lamp comprises an LED lamp post 1, a mounting rod 2, a supporting mechanism 4, a synchronous belt 5, a driving handle 16, a first synchronous wheel 17, a first rotating shaft 18, a second synchronous wheel 19 and a second rotating shaft 20, wherein as shown in fig. 7 and 8, the mounting rod 2 is hollow, two first supporting grooves 12 are symmetrically formed in the inner side surface of the mounting rod 2, the first supporting grooves 12 are used for supporting the supporting slide block 6 through the matching of the two first supporting blocks 7 mounted on the supporting slide block 6 and the two first supporting grooves 12 when the supporting slide block 6 is positioned at the uppermost end, and in this state, the two first supporting blocks 7 are in plane contact with the corresponding first supporting grooves 12, and the supporting slide block 6 is supported more stably by the two first supporting grooves 12; the two first supporting grooves 12 are positioned at the upper end of the mounting rod 2, the side surface of the mounting rod 2, which is not provided with the first supporting grooves 12, is provided with a clamping block 11, the clamping block 11 is provided with a second supporting groove 14, the second supporting groove 14 has the function that when the synchronous belt 5 starts to pull the steel wire 40 downwards, the steel wire 40 can provide a downward pulling force for the supporting slide block 6, because the supporting slide block 6 is positioned at the uppermost end at the moment, the two first supporting blocks 7 are in contact fit with the two first supporting grooves 12, under the pulling force of the steel wire 40, the vertical downward force applied to the supporting slide block 6 is increased, namely, the friction force between the two first supporting blocks 7 and the corresponding first supporting grooves 12 is also increased, so that the moving resistance of the two first supporting blocks 7 relative to the corresponding first supporting grooves 12 is increased, the pulling resistance of the first supporting blocks 7 by the steel wire 40 is also increased, and the larger the pulling force of the steel wire 40 is, the greater the pulling resistance of the first supporting, in this state, therefore, the supporting slider 6 does not move downward by the cooperation of the two first supporting blocks 7 and the two first supporting grooves 12, but since the wire 40 passes through the fixed pulley 30 and the fixed pulley 30 is mounted on the sliding housing 27; the sliding shell 27 is in up-and-down sliding fit with the supporting slide block 6, so the steel wire 40 can transmit the pulling force to the sliding shell 27 through the fixed pulley 30, so that the sliding shell 27 moves downwards, and the downward movement of the sliding shell 27 can drive the second supporting block 8 to move downwards; in the moving process, after the inclined surface of the lower side of the second support block 8 contacts with the second support groove 14, the second support groove 14 gives an upward support force to the second support block 8, and since the inclined surface of the lower side of the second support block 8 has a smaller inclination angle, the second support block 8 is not easily pushed by the second support groove 14 to move towards the inner side of the sliding shell 27, in this state, the second support groove 14 gives an upward support force to the sliding shell 27 through the second support block 8, and bears most of the downward pulling force of the steel wire 40 through the support force, so that the pressure transmitted between the first support block 7 and the first support groove 12 by the downward pulling of the steel wire 40 is smaller, that is, the resistance of the first support block 7 pulled by the steel wire 40 is smaller, and in this state, the first support block 7 is pulled by the steel wire 40 to move by pulling the steel wire 40; the inner side surface of the lower end of the mounting rod 2 is provided with a shaft hole 9; the first rotating shaft 18 is arranged on the mounting rod 2 through the shaft hole 9 on the mounting rod 2; the driving handle 16 is arranged at one end of the first rotating shaft 18, which is positioned at the outer side of the mounting rod 2; as shown in fig. 10, a first synchronizing wheel 17 is mounted on one end of the first rotating shaft 18 located inside the mounting bar 2; the second rotating shaft 20 is arranged on the inner side surface of the upper end of the mounting rod 2; the second synchronous wheel 19 is arranged on the second rotating shaft 20; the second synchronous wheel 19 is connected with the first synchronous wheel 17 through a synchronous belt 5; the driving handle 16 is driven manually, the first rotating shaft 18 is driven to rotate through the driving handle 16, the first rotating shaft 18 rotates to drive the first synchronizing wheel 17 to rotate, and the first synchronizing wheel 17 rotates to drive the synchronizing belt 5 connected between the first synchronizing wheel 17 and the second synchronizing wheel 19 to move; as shown in fig. 3, the support mechanism 4 is installed inside the installation rod 2 by a sliding fit, and the sliding of the support mechanism 4 inside the installation rod 2 is driven by a timing belt 5; as shown in fig. 3, the LED lamp post 1 is mounted on the supporting mechanism 4, and the upper end of the LED lamp passes through the lamp hole 13 opened on the upper end surface of the mounting post 2 and is located on the upper side of the mounting post 2.

As shown in fig. 12 and 13, the supporting mechanism 4 includes a supporting slider 6, a first supporting block 7, a second supporting block 8, a first return spring 24, a sliding shell 27, a third return spring 28, a limiting bar 29, a fixed pulley 30, a fourth return spring 31, a first mounting groove 33, a second mounting groove 36, and a steel wire 40, wherein as shown in fig. 17 and 18, two second mounting grooves 36 are symmetrically formed on two side surfaces of the supporting slider 6, and as shown in fig. 19, a first mounting groove 33 penetrating forward and backward is formed on a rear side surface of the supporting slider 6; the supporting slide block 6 is arranged on the inner side of the mounting rod 2 in a sliding fit manner; as shown in fig. 14, the two first supporting blocks 7 are respectively installed in the two second installation grooves 36 by sliding fit, and a first return spring 24 is installed between one end of each of the two first supporting blocks 7 located in the corresponding second installation groove 36 and the second installation groove 36; the first return spring 24 plays a role in returning to the corresponding first supporting block 7; as shown in fig. 4, the two first supporting blocks 7 are engaged with the two first supporting grooves 12 formed on the mounting bar 2; as shown in fig. 12, the sliding housing 27 is installed in the first installation groove 33 by up-down sliding fit, and as shown in fig. 15, a third return spring 28 is installed between the lower side surface of the sliding housing 27 and the lower side surface of the first installation groove 33; the third return spring plays a role in returning to the sliding shell 27, and is in a micro-compression state under the action of gravity of the sliding shell 27 when the supporting sliding block 6 is positioned at the uppermost end; as shown in fig. 23, the upper and lower sides of one end of the second supporting block 8 are provided with inclined planes, and the inclination angle of the lower inclined plane is smaller than that of the upper inclined plane; the function of the supporting device is to ensure that the second supporting block 8 is not easily pushed back into the sliding shell 27 by the second supporting groove 14 through the lower side slope of the second supporting block 8 in the process that the supporting slider 6 moves downwards; in the process that the supporting slider 6 moves upwards, after the upper side inclined surface of the second supporting block 8 is contacted with the second supporting groove 14 through the upper side inclined surface of the second supporting block 8, the upper side inclined surface of the second supporting block 8 can be easily reset by the fourth reset spring 31; as shown in fig. 21, the second support block 8 is installed in the sliding housing 27 by a sliding fit, and a fourth return spring 31 is installed between one end of the second support block located inside the sliding housing 27 and the sliding housing 27; the fourth return spring 31 is used for returning the second supporting block; as shown in fig. 5, the second supporting block 8 is engaged with the second supporting groove 14 formed on the latch 11 mounted on the mounting bar 2; as shown in fig. 15, two position-limiting strips 29 are symmetrically installed on both side surfaces of the first installation groove 33; two stop strips 29 cooperate with the sliding shell 27; the limit strip 29 limits the sliding shell 27; when the second supporting block 8 on the sliding shell 27 is separated from the second supporting groove 14, the sliding shell 27 can drive the supporting slide block 6 to move downwards through the limiting strip 29; as shown in fig. 20, the fixed pulley 30 is mounted on the front end of the slide case 27; one of the two first supporting blocks 7 is connected with a steel wire 40, and the steel wire 40 passes through a steel wire hole 38 formed on the supporting slide block 6 and is fixed with the synchronous belt 5 through the fixed pulley 30.

As shown in fig. 11, a wire 40 is connected between the upper end surface of the support slider 6 and the timing belt 5 via a pulling plate 21, and when the supporting slide block 6 is positioned at the uppermost side, the steel wire 40 between the upper end surface of the supporting slide block 6 and the synchronous belt 5 is in a loose state, the function of the supporting block 6 is to ensure that the steel wire 40 connected with the synchronous belt through the driving plate 22 at the lower side of the supporting block 6 moves upwards in the process of moving upwards, in order to prevent the steel wire 40 from influencing the movement of the first supporting block 7, the steel wire 40 between the upper end surface of the supporting slide block 6 and the synchronous belt 5 designed by the invention is in a loose state, in the process that the supporting slide block 6 moves upwards, the steel wire 40 between the upper end surface of the supporting slide block 6 and the synchronous belt 5 is straightened, and the steel wire 40 connected with the synchronous belt 5 through the driving plate 22 at the lower side of the supporting slide block 6 becomes loose, so that the first supporting block 7 can return under the action of the corresponding first return spring 24; the steel wire 40 connected with the synchronous belt 5 through the driving plate 22 at the lower side of the supporting slide block 6 is not always in a straightening state, so that the return of the first supporting block 6 is not influenced; the steel wire 40 is used for facilitating the synchronous belt 5 to drive the supporting slide block 6 to move upwards.

As shown in fig. 18, the upper side surface of the support slider 6, on which the first mounting groove 33 is formed, is formed with a mounting through groove 50 communicating with the two second mounting grooves 36; as shown in fig. 16, the driving gear 26 is mounted in the mounting through slot 50 through a gear shaft 52, one end of the first rack 25 is mounted on one of the two first support blocks 7, and the other end of the first rack 25 is engaged with the driving gear 26; one end of the second rack 23 is mounted on the other one 7 of the two first support blocks 7, the other end of the second rack 23 is meshed with the driving gear 26, as shown in fig. 25, and the first rack 25 and the second rack 23 are arranged on the upper and lower sides of the driving gear 26; when the first driving block in which the steel wire 40 is connected moves among the two first supporting blocks 7, the other first driving block also moves through the transmission of the first rack 25, the driving gear 26 and the second rack 23, and the two first supporting blocks 7 move in opposite directions and in the same amplitude.

As shown in fig. 6, when the support slider 6 is positioned at the uppermost side, a gap is formed between the second support block 8 and the lower side surface of the corresponding second support groove 14; this clearance can be guaranteed to be located when the support slider 6 is topmost, and support slider 6 provides the holding power to it through two first supporting blocks 7 because when support slider 6 is located topmost, for the cooperation of straight face between two first supporting blocks 7 and the first supporting groove 12 that corresponds for two first supporting grooves 12 are more stable to the support of support slider 6.

In summary, the following steps:

the beneficial effects of the design of the invention are as follows: according to the LED lamp, the support mechanism 4 for supporting the LED lamp post 1 is controlled to move up and down through the manual control synchronous wheel, the LED lamp post 1 is replaced and installed, in the invention, when the LED lamp post 1 is positioned at the uppermost end, the support mechanism 4 for installing the LED lamp post 1 is supported by the two first support blocks 7 and the two first support grooves 12, and the two support blocks are in plane contact fit, so that the stability of the LED lamp post 1 is ensured; meanwhile, in the process that the supporting mechanism 4 for supporting the LED lamp pole 1 starts to move downwards, the downward pulling force is not transmitted to the supporting slide block 6 through the fixed pulley 30, the friction force between the two first supporting blocks 7 and the two first supporting grooves 12 is increased, the two first supporting blocks 7 can be smoothly pulled out, and the supporting mechanism 4 can smoothly move downwards.

As shown in fig. 7, four guide grooves 10 are symmetrically formed on two inner side surfaces of the mounting rod 2, and as shown in fig. 17, guide blocks 35 are mounted on four corners of the support slider 6; the supporting slide block 6 is arranged in the mounting rod through the sliding fit of the four guide blocks 35 and the four guide grooves 10; the supporting slide 6 is guided by the cooperation of the four guide blocks 35 and the four guide grooves 10.

As shown in fig. 1 and 9, a protective shell 3 for protecting the driving handle 16 is installed on the side surface of the lower end of the installation rod 2, and a protective door 15 with a lock function is installed on the protective shell 3; prevent that non-staff from removing LED lamp pole 1 under the state of unknown.

As shown in fig. 3, a reflector 51 for reflecting light to the LED lamp post 1 is mounted on the upper end of the mounting rod 2 through a support rod 53.

As shown in fig. 17 and 19, two third guide grooves 37 are symmetrically formed on both side surfaces of the front end of the first mounting groove 33 formed on the support slider 6; as shown in fig. 21, two fifth guide blocks 49 are symmetrically installed on both sides of one end of the driving plate 22, as shown in fig. 13, the driving plate 22 is installed on the support slider 6 by the sliding fit of the two fifth guide blocks 49 and the two third guide grooves 37, and the steel wire 40 connected to the first support block 7 is connected to one end of the driving plate 22 where the fifth guide blocks 49 are installed; the other end of the driving plate 22 is connected with the synchronous belt 5; the two fifth guide blocks 49 are matched with the two third guide grooves 37 to guide the driving plate 22, so that the driving plate 22 is prevented from swinging under the driving of the synchronous belt 5 due to the deformation of the synchronous belt 5, and the influence on the movement of the synchronous belt 5 is avoided.

As shown in fig. 19, two first guide grooves 32 are symmetrically formed on both side surfaces of the rear end of the first mounting groove 33 formed on the support slider 6; as shown in fig. 22, two first guide blocks 41 are symmetrically installed on two side surfaces of the sliding shell 27, and as shown in fig. 15, the sliding shell 27 is installed on the support slider 6 through the cooperation of the two first guide blocks 41 and the two first guide grooves 32; the slide case 27 is guided by the engagement of the two first guide blocks 41 with the two first guide grooves 32.

As shown in fig. 22, two fourth guide grooves 42 are symmetrically formed on two inner side surfaces of the sliding shell 27, as shown in fig. 23, two second guide blocks 43 are symmetrically installed on two side surfaces of the second support block 8, as shown in fig. 21, the second support block 8 is installed on the sliding shell 27 through the sliding fit of the two second guide blocks 43 and the two fourth guide grooves 42, and the second support block 8 is guided by the fit of the two second guide blocks 43 and the two fourth guide grooves 42.

As shown in fig. 17 and 18, two second guide grooves 34 are symmetrically formed on both side surfaces of a second mounting groove 36 formed in the support slider 6; as shown in fig. 24, two fourth guide blocks 48 are symmetrically installed on two side surfaces of the first support block 7, and as shown in fig. 14, the first support block 7 is installed on the support slider 6 through the sliding fit of the two fourth guide blocks 48 and the two second guide grooves 34; the first supporting block 7 is guided by the cooperation of the two fourth guide blocks 48 and the two second guide grooves 34.

The first return spring 24, the third return spring 28, and the fourth return spring 31 are compression springs.

The first return spring 24, the second return spring, the third return spring 28 and the fourth return spring 31 are all in a pre-compressed state when the support slider 6 is located at the uppermost side.

The specific working process is as follows: when the LED lamp designed by the invention is used and is needed to be replaced when the LED lamp is broken, the synchronous belt 5 is controlled to move by the driving handle 16; the synchronous belt 5 moves to pull the steel wire 40 downwards through the driving plate 22; when the second supporting block 8 arranged on the sliding shell 27 is matched with the second supporting groove 14, the downward tensile force of the steel wire 40 is basically completely born by the second supporting block 8, the second supporting block 8 moves towards the inner side of the corresponding sliding shell 27 under the tensile force, in this state, the steel wire 40 is pulled, the steel wire 40 pulls the first supporting block 7 to move, the first supporting block 7 is gradually separated from the corresponding first supporting groove 12 in the moving process, the steel wire 40 is continuously pulled downwards, and after the second supporting block 8 is completely separated from the second supporting groove 14 in the moving process, the first supporting block 7 is completely separated from the corresponding first supporting groove 12; continuously pulling the steel wire 40, wherein the steel wire 40 drives the sliding shell to move downwards, so that the sliding shell 27 is in contact with the limiting strip 29, the limiting strip 29 drives the supporting slide block 6 to move downwards, and the supporting slide block 6 drives the LED lamp post 1 to move downwards; the LED lamp is moved to the lower side and then replaced; after the replacement is finished, the driving handle 16 is driven reversely, so that the driving handle 16 drives the synchronous belt 5 to move reversely, and the synchronous belt 5 pulls the supporting slide block 6 upwards through a steel wire 40 arranged at the upper end of the supporting slide block 6; in the process of upward movement of the support slider 6, when the second support block 8 mounted on the sliding housing 27 is in contact fit with the second support groove 14, the second support block 8 will gradually move into the second support groove 14 under the action of the corresponding fourth return spring 31, and when the first support block 7 is in contact fit with the corresponding first support groove 12, the first support block 7 will move towards the first support groove 12 under the action of the first return spring 24, and finally return to the original position.

Claims

1. An LED lighting device convenient to change which characterized in that: the LED lamp post comprises an LED lamp post, an installation rod, a supporting mechanism, a synchronous belt, a driving handle, a first synchronous wheel, a first rotating shaft, a second synchronous wheel and a second rotating shaft, wherein the installation rod is hollow, two first supporting grooves are symmetrically formed in the inner side surface of the installation rod, the two first supporting grooves are located at the upper end of the installation rod, a clamping block is installed on the side surface of the installation rod, which is not provided with the first supporting grooves, the clamping block is provided with a second supporting groove, and a shaft hole is formed in the inner side surface of the lower end of the installation rod; the first rotating shaft is arranged on the mounting rod through a shaft hole on the mounting rod; the driving handle is arranged at one end of the first rotating shaft, which is positioned at the outer side of the mounting rod; the first synchronous wheel is arranged at one end of the first rotating shaft, which is positioned at the inner side of the mounting rod; the second rotating shaft is arranged on the inner side surface of the upper end of the mounting rod; the second synchronizing wheel is arranged on the second rotating shaft; the second synchronous wheel is connected with the first synchronous wheel through a synchronous belt; the supporting mechanism is arranged on the inner side of the mounting rod in a sliding fit manner, and the sliding of the supporting mechanism in the mounting rod is driven by the synchronous belt; the LED lamp post is arranged on the supporting mechanism, and the upper end of the LED lamp penetrates through a lamp hole formed in the upper end face of the mounting rod and is positioned on the upper side of the mounting rod;

the supporting mechanism comprises a supporting slide block, a first supporting block, a second supporting block, a first return spring, a sliding shell, a third return spring, a limiting strip, a fixed pulley, a fourth return spring, a first mounting groove, a second mounting groove and a steel wire, wherein two second mounting grooves are symmetrically formed in two side surfaces of the supporting slide block, and a first mounting groove which is communicated with the front side and the rear side is formed in the rear side surface of the supporting slide block; the supporting slide block is arranged on the inner side of the mounting rod in a sliding fit manner; the two first supporting blocks are respectively installed in the two second installation grooves in a sliding fit mode, and a first reset spring is installed between one end, located in the corresponding second installation groove, of each first supporting block and the corresponding second installation groove; the two first supporting blocks are matched with the two first supporting grooves formed in the mounting rod; the sliding shell is installed in the first installation groove in a vertically sliding fit mode, and a third return spring is installed between the lower side face of the sliding shell and the lower side face of the first installation groove; the upper side and the lower side of one end of the second supporting block are respectively provided with an inclined plane, and the inclination angle of the lower inclined plane is smaller than that of the upper inclined plane; the second supporting block is arranged in the sliding shell in a sliding fit manner, and a fourth return spring is arranged between one end of the second supporting block, which is positioned on the inner side of the sliding shell, and the sliding shell; the second supporting block is matched with a second supporting groove formed in a clamping block arranged on the mounting rod; the two limiting strips are symmetrically arranged on two side surfaces of the first mounting groove; the two limiting strips are matched with the sliding shell; the fixed pulley is arranged at the front end of the sliding shell; one of the two first supporting blocks is connected with a steel wire, and the steel wire passes through a steel wire hole formed in the supporting slide block and is fixed with the synchronous belt through a fixed pulley;

the upper end surface of the supporting sliding block and the synchronous belt are connected with a steel wire through a pulling plate, and when the supporting sliding block is positioned at the uppermost side, the steel wire between the upper end surface of the supporting sliding block and the synchronous belt is in a loose state;

the upper side surface of the supporting slide block, which is provided with the first mounting groove, is provided with a mounting through groove communicated with the two second mounting grooves; the driving gear is installed in the installation through groove through a gear shaft, one end of the first rack is installed on one of the two first supporting blocks, and the other end of the first rack is meshed with the driving gear; one end of a second rack is arranged on the other first supporting block in the two first supporting blocks, the other end of the second rack is meshed with the driving gear, and the first rack and the second rack are arranged on the upper side and the lower side of the driving gear;

when the supporting slide block is positioned at the uppermost side, a gap is formed between the second supporting block and the lower side surface of the corresponding second supporting groove;

two third guide grooves are symmetrically formed in two side faces of the front end of the first mounting groove formed in the supporting slide block; two fifth guide blocks are symmetrically arranged on two sides of one end of the driving plate, the driving plate is arranged on the supporting slide block through the sliding fit of the two fifth guide blocks and the two third guide grooves, and a steel wire connected with the first supporting block is connected with one end of the driving plate, which is provided with the fifth guide blocks; the other end and the hold-in range of drive plate are connected, and the hold-in range removes and passes through the drive plate and stimulate the steel wire downwards.

2. An easily replaceable LED lighting device as claimed in claim 1, wherein: four guide grooves are symmetrically formed in two inner side surfaces of the mounting rod, and guide blocks are mounted at four corners of the supporting slide block; the supporting slide block is installed in the installation rod through the sliding fit of the four guide blocks and the four guide grooves.

3. An easily replaceable LED lighting device as claimed in claim 1, wherein: the side face of the lower end of the mounting rod is provided with a protective shell which protects the driving handle, and the protective shell is provided with a protective door with a locking function.

4. An easily replaceable LED lighting device as claimed in claim 1, wherein: the upper end of the mounting rod is provided with a reflecting plate which plays a role in reflecting light for the LED lamp post through the supporting rod.

5. An easily replaceable LED lighting device as claimed in claim 1, wherein: two first guide grooves are symmetrically formed in two side faces of the rear end of the first mounting groove formed in the supporting slide block; two first guide blocks are symmetrically arranged on two side faces of the sliding shell, and the sliding shell is arranged on the supporting sliding block through the matching of the two first guide blocks and the two first guide grooves.

6. An easily replaceable LED lighting device as claimed in claim 1, wherein: two fourth guide grooves are symmetrically formed in two inner side faces of the sliding shell, two second guide blocks are symmetrically installed on two side faces of each second support block, and the second support blocks are installed on the sliding shell through the sliding fit of the two second guide blocks and the two fourth guide grooves.

7. An easily replaceable LED lighting device as claimed in claim 1, wherein: two second guide grooves are symmetrically formed in two side faces of a second mounting groove formed in the supporting slide block; two fourth guide blocks are symmetrically arranged on two side faces of the first supporting block, and the first supporting block is arranged on the supporting slide block through the sliding fit of the two fourth guide blocks and the two second guide grooves.

8. An easily replaceable LED lighting device as claimed in claim 1, wherein: the first return spring, the third return spring and the fourth return spring are compression springs.

9. An easily replaceable LED lighting device as claimed in claim 1, wherein: the first return spring, the third return spring and the fourth return spring are all in a pre-compression state when the support slider is positioned at the uppermost side.