CN214369606U

CN214369606U - Blackboard lamp

Info

Publication number: CN214369606U
Application number: CN202120582499.7U
Authority: CN
Inventors: 张海伟
Original assignee: Zhongshan Leimove Lighting Electric Co ltd
Current assignee: Zhongshan Leimove Lighting Electric Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-08
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a blackboard lamp, which comprises a wall hanging bracket and a lamp body, wherein the lamp body is arranged on a connecting piece through the arrangement of a sliding block, the connecting piece and a locking device, and then the lamp body can be driven to move to a proper position by moving the sliding block, so that the lighting effect is optimal; in addition, the wall fixing rod, the horizontal supporting rod and the supporting inclined rod can be stored, so that the conveying is convenient; secondly, the light guide cover, the condensing lens and the LED lamp strip are arranged in a straight line and inclined to one side relative to the vertical normal of the opening, so that when the lamp is hung above the blackboard in a short distance, light is projected onto the blackboard at a proper polarization angle, and accurate light projection of the blackboard is realized; the eyes of the teacher are not irradiated by glare of the blackboard lamp during normal teaching, the visual fatigue of the teacher is reduced, the eyesight of the teacher is effectively protected, and therefore the practicability of the blackboard lamp in a classroom is improved.

Description

Blackboard lamp

Technical Field

The utility model relates to the field of lighting fixtures, especially, relate to a blackboard lamp.

Background

The existing blackboard lamps of classrooms of primary and secondary schools in China and universities are double-end fluorescent lamp support products with adjustable angles, the blackboard lamps are hung on a platform and must be ensured to be at a proper distance from the blackboard and project to the blackboard at a certain angle, however, the traditional fluorescent lamp supports and fluorescent lamp tubes have the light-emitting angle larger than 120 degrees, the light intensity is greatly attenuated along with the distance, the part close to the blackboard has high brightness, the part below the blackboard has low brightness, if the blackboard has certain illumination uniformity, the lamps must be installed at the position relatively far away from the distance of the blackboard, the light is difficult to avoid the eyes of a teacher giving lessons in front of the blackboard, the direct light and the reflected light directly stimulate the eyes of the teacher, the visual fatigue during teaching is easily caused, and the influence on the eyesight of the teacher is caused for a long time.

In addition, the blackboard lamp needs to be supported and fixed by a wall hanging bracket when being installed, but the existing wall hanging bracket can only fix the blackboard lamp at one position, however, if the light rays irradiated on the blackboard by the blackboard lamp are not uniform, the visible condition of the blackboard content can be influenced, and the visual fatigue of a viewer is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a blackboard lamp solves above-mentioned background art's problem.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a blackboard lamp, includes wall hanging support and lamps and lanterns body, wall hanging support is including wall dead lever, horizontal support pole and support down tube, the upper end of wall dead lever is articulated mutually with horizontal support pole's rear end, the rear end of supporting the down tube is articulated on the wall dead lever the horizontal support pole lower extreme is equipped with the draw-in groove, the front end card of supporting the down tube is gone into make horizontal support pole be in the horizontality in the draw-in groove the horizontal support pole lower extreme slides along the length direction of horizontal support pole and is equipped with the slider be equipped with the connecting piece that can be connected with lamps and lanterns on the slider and can with the slider locking is in locking device on the horizontal support pole, the lamps and lanterns body is including the lamps and lanterns shell that is the line shape, lamps and lanterns shell lower extreme is equipped with the opening that sets up perpendicularly downwards by supreme leaded light cover that is equipped with in proper order down in the opening, The LED lamp comprises a condensing lens and an LED lamp strip group, wherein the light guide cover, the condensing lens and the LED lamp strip group are in a straight line and are inclined towards one side relative to the vertical normal of an opening, a sliding rail arranged along the length direction of the lamp shell is arranged at the upper end of the lamp shell, and the connecting piece is arranged in the sliding rail in a sliding mode.

Further, the connecting piece is including mutual detachable link span and bow member the link span fixed mounting be in on the slider, bow member lower extreme both sides all are equipped with L font guide block, the slide rail is including the symmetry setting lamp housing upper end and with L font guide block complex direction spout.

Furthermore, both ends of the lamp shell are covered with side covers capable of sealing the end parts of the guide sliding grooves.

Furthermore, a square through hole is formed in the upper end of the arch frame, the connecting frame is of a square structure and can extend into the square through hole, a through hole is formed in one side of the connecting frame in a penetrating mode, clamping blocks are movably arranged at two ends of the through hole respectively, and a spring is connected between the two clamping blocks.

Furthermore, a first tension spring is connected between the wall fixing rod and the supporting inclined rod.

Furthermore, locking device is including following a plurality of locking holes that the length direction equipartition of horizontal brace pole set up the locking post that can stretch into in the locking hole is worn to be equipped with in the activity on the slider be connected with between locking post and the slider and enable the locking post keep stretching into the second extension spring in the locking hole.

Further, wall dead lever, horizontal support pole and support down tube are C shaped steel structure, and can accomodate each other.

Further, wall dead lever upper end is equipped with spacing roof, spacing roof can restrict the maximum contained angle of wall dead lever and horizontal support pole is 90.

Furthermore, a plurality of mounting through holes are formed in the wall fixing rod.

Furthermore, a power supply electrically connected with the LED lamp strip group is arranged in the opening.

To sum up, the utility model discloses for its beneficial effect of prior art is: firstly, the lamp body is arranged on the connecting piece through the arrangement of the sliding block, the connecting piece and the locking device, and then the sliding block is moved to drive the lamp body to move to a proper position, so that the lighting effect is optimal; in addition, the wall fixing rod, the horizontal supporting rod and the supporting inclined rod can be stored, so that the conveying is convenient; secondly, the light guide cover, the condensing lens and the LED lamp strip are arranged in a straight line and inclined to one side relative to the vertical normal of the opening, so that when the lamp is hung above the blackboard in a short distance, light is projected onto the blackboard at a proper polarization angle, and accurate light projection of the blackboard is realized; the eyes of the teacher are not irradiated by glare of the blackboard lamp during normal teaching, the visual fatigue of the teacher is reduced, the eyesight of the teacher is effectively protected, and therefore the practicability of the blackboard lamp in a classroom is improved.

Drawings

Fig. 1 is a schematic view of the wall-mounted bracket of the present invention when mounted with the lamp body.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic sectional view taken along line a-a of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the side cover and the lamp housing of the present invention when they are disassembled.

Fig. 5 is an enlarged schematic view of the point a of fig. 3 according to the present invention.

Fig. 6 is a schematic view of a half-section of the lamp body of the present invention.

Fig. 7 is the utility model discloses the schematic diagram when wall hanging support is accomodate.

Description of reference numerals: 11. a wall hanging bracket; 12. a lamp body; 1. fixing rods on the wall surface; 2. a horizontal support bar; 3. supporting the diagonal rods; 4. a card slot; 5. a slider; 6. a connecting member; 121. a lamp housing; 122. an opening; 123. a light guide cover; 124. a condenser lens; 125. an LED light bar group; 126. a slide rail; 21. a connecting frame; 22. an arch frame; 23. an L-shaped guide block; 24. a guide chute; 31. a side cover; 32. a guide convex column; 33. a guide groove; 41. a square through hole; 42. a through hole; 43. a clamping block; 44. a spring; 51. a first tension spring; 61. a locking hole; 62. a locking post; 63. a second tension spring; 81. a limiting top plate; 91. mounting a through hole; 101. a power source; 110. a support plate; 111. an L-shaped plate; 112. positioning a groove; 113. an arc-shaped fixing plate; 114. a second extension plate; 115. a first extension plate; 116. and a limiting plate.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention is further described in the following figures and embodiments: as shown in fig. 1 to 7, a blackboard lamp comprises a wall hanging bracket 11 and a lamp body 12, wherein the wall hanging bracket 11 comprises a wall fixing rod 1, a horizontal supporting rod 2 and a supporting diagonal rod 3, the upper end of the wall fixing rod 1 is hinged with the rear end of the horizontal supporting rod 2, the rear end of the supporting diagonal rod 3 is hinged on the wall fixing rod 1, a clamping groove 4 is arranged at the lower end of the horizontal supporting rod 2, the front end of the supporting diagonal rod 3 is clamped in the clamping groove 4 to enable the horizontal supporting rod 2 to be in a horizontal state, a sliding block 5 is arranged at the lower end of the horizontal supporting rod 2 in a sliding manner along the length direction of the horizontal supporting rod 2, a connecting piece 6 capable of being connected with a lamp and a locking device capable of locking the sliding block 5 on the horizontal supporting rod 2 are arranged on the sliding block 5, the lamp body 12 comprises a lamp shell 121 in a linear shape, the lower end of the lamp housing 121 is provided with an opening 122 vertically arranged downwards, a light guide cover 123, a condensing lens 124 and an LED light bar group 125 are sequentially arranged in the opening 122 from bottom to top, the light guide cover 123, the condensing lens 124 and the LED light bar group 125 are aligned and inclined to one side relative to the vertical normal of the opening 122, the upper end of the lamp housing 121 is provided with a slide rail 126 arranged along the length direction of the lamp housing 121, the connecting piece 6 is arranged in the slide rail 126 in a sliding manner, firstly, the lamp body 12 is arranged on the connecting piece 6 through the arrangement of the sliding block 5, the connecting piece 6 and the locking device, and then the sliding block 5 is moved to drive the lamp body 12 to move to a proper position, so that the lighting effect is optimal; in addition, the wall fixing rod 1, the horizontal supporting rod 2 and the supporting inclined rod 3 can be stored, so that the conveying is convenient; secondly, the light guide cover 123, the condenser lens 124 and the LED lamp strip group 125 are arranged in a straight line and inclined to one side relative to the vertical normal of the opening, so that when the lamp body 1 is hung above the blackboard in a short distance, light rays are projected on the blackboard at a proper polarization angle, and accurate light projection of the blackboard is realized; the eyes of the teacher are not irradiated by glare of the blackboard lamp during normal teaching, the visual fatigue of the teacher is reduced, the eyesight of the teacher is effectively protected, and therefore the practicability of the blackboard lamp in a classroom is improved.

Specifically, referring to fig. 6, in the structure inside the lamp body 12, two sides of the lower end of the opening 122 are provided with limiting blocks 116, two sides of the lower end of the light guide cover 123 abut against the limiting blocks 116, two sides of the upper end of the light guide cover 123 are provided with arc-shaped fixing plates 113, the condensing lens 124 is arranged in the two arc-shaped fixing plates 113, a support plate 110 is arranged in the opening 122, L-shaped plates 111 are symmetrically arranged at the lower end of the support plate 110, a positioning groove 112 is formed between the two L-shaped plates 111, the LED light bar group 125 is arranged in the positioning groove 112, a first extending plate 115 is arranged on the support plate 110, a second extending plate 114 is arranged on the inner wall of the lamp housing 121, and the two arc-shaped fixing plates 113 abut against between the first extending plate 115 and the second extending plate 114 respectively, so that the structure is simple and the installation is convenient.

Referring to fig. 1, 3-5, the connecting piece 6 includes a connecting frame 21 and an arch frame 22 which are detachable from each other, the connecting frame 21 is fixedly mounted on the slider 5, L-shaped guide blocks 23 are respectively arranged on both sides of the lower end of the arch frame 22, the slide rail 126 includes guide chutes 24 which are symmetrically arranged on the upper end of the lamp housing 121 and are matched with the L-shaped guide blocks 23, so that the lamp body 12 can move left and right relative to the wall hanging bracket 11, the lamp body 12 can be moved according to different requirements, and the practicability of the blackboard lamp is improved.

Referring to fig. 4, the two ends of the lamp housing 121 are covered with the side covers 31 capable of closing the ends of the guide sliding grooves 24, specifically, the two ends of the lamp housing 121 are provided with the guide protruding columns 32, the inner sides of the side covers 31 are provided with the guide grooves 33, the guide protruding columns 32 are metal magnetic attraction elements, and the guide grooves 33 are internally provided with magnets, so that the side covers 31 are fixed in a magnetic attraction manner, and the lamp housing is simple in structure and convenient to install; in addition, the side cover 31 may be locked by a screw.

Referring to fig. 5, a square through hole 41 is formed in the upper end of the arch frame 22, the connecting frame 21 is of a square structure and can extend into the square through hole 41, a through hole 42 is formed in one side of the connecting frame 21, two ends of the through hole 42 are respectively and movably provided with a fixture block 43, a spring 44 is connected between the two fixture blocks 43, preferably, the lower side of the outer end of each fixture block 43 is of an inclined plane structure, when the connecting frame 21 is installed, the fixture block 43 is inserted into the square through hole 41 and clamped in the arch frame 22, and the upper end of each fixture block 43 abuts against the inner end of the arch frame 22, so that the arch frame 22 is prevented from being separated from the connecting frame 21, and the arch frame is simple in structure and convenient to install; in addition, the arch 22 and the connecting frame 21 can be fixed by screws.

As shown in fig. 1, a first tension spring 51 is connected between the wall fixing rod 1 and the supporting diagonal rod 3, and the wall fixing rod 1, the horizontal supporting rod 2 and the supporting diagonal rod 3 can be kept in an open state or a storage state by the arrangement of the first tension spring 51.

Referring to fig. 5, the locking device includes a plurality of locking holes 61 uniformly distributed along the length direction of the horizontal support rod 2, a locking post 62 capable of extending into the locking hole 61 is movably arranged on the slider 5 in a penetrating manner, and a second tension spring 63 capable of keeping the locking post 62 extending into the locking hole 61 is connected between the locking post 62 and the slider 5.

Referring to fig. 7, the wall fixing rod 1, the horizontal support rod 2 and the support diagonal rod 3 are of a C-shaped steel structure and can be stored in each other, so that the wall hanging support 11 can be conveniently transported.

Referring to fig. 3, a limiting top plate 81 is arranged at the upper end of the wall fixing rod 1, and the limiting top plate 81 can limit the maximum included angle between the wall fixing rod 1 and the horizontal support rod 2 to be 90 degrees, so that excessive swinging of the horizontal support rod 2 can be prevented, and the wall hanging bracket 11 can be conveniently installed.

The utility model discloses in be equipped with a plurality of mounting through-holes 91 on the wall dead lever 1, thereby pass mounting through-hole 91 through the inflation screw and realize the fixed with wall dead lever 1, simple structure, simple to operate.

Referring to fig. 6, a power supply 101 electrically connected to the LED light bar set 125 is further disposed in the opening 122.

In combination with the basic principles and main features of the present invention and the advantages of the present invention as shown and described above, those skilled in the art should understand that the present invention is not limited by the above embodiments, and only the description in the above embodiments and the description illustrates the principles of the present invention without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blackboard lamp, hangs support (11) and lamps and lanterns body (12) including the wall, its characterized in that: the wall hanging bracket (11) comprises a wall fixing rod (1), a horizontal supporting rod (2) and a supporting inclined rod (3), wherein the upper end of the wall fixing rod (1) is hinged with the rear end of the horizontal supporting rod (2), the rear end of the supporting inclined rod (3) is hinged on the wall fixing rod (1), a clamping groove (4) is arranged at the lower end of the horizontal supporting rod (2), the front end of the supporting inclined rod (3) is clamped into the clamping groove (4) to enable the horizontal supporting rod (2) to be in a horizontal state, a sliding block (5) is arranged at the lower end of the horizontal supporting rod (2) in a sliding mode along the length direction of the horizontal supporting rod (2), a connecting piece (6) capable of being connected with a lamp is arranged on the sliding block (5), the sliding block (5) can be locked on the horizontal supporting rod (2) through a locking device, the lamp body (12) comprises a lamp shell (121) in a linear shape, the LED lamp is characterized in that an opening (122) vertically arranged downwards is formed in the lower end of the lamp shell (121), a light guide cover (123), a condensing lens (124) and an LED lamp strip group (125) are sequentially arranged in the opening (122) from bottom to top, the light guide cover (123), the condensing lens (124) and the LED lamp strip group (125) are in a straight line and incline towards one side relative to the vertical normal line of the opening (122), a sliding rail (126) arranged along the length direction of the lamp shell (121) is arranged at the upper end of the lamp shell (121), and the connecting piece (6) is arranged in the sliding rail (126) in a sliding mode.

2. The blackboard lamp according to claim 1, characterized in that: connecting piece (6) are including mutual detachable link span (21) and bow member (22) link span (21) fixed mounting be in on slider (5), bow member (22) lower extreme both sides all are equipped with L font guide block (23), slide rail (126) are in including the symmetry setting lamp housing (121) upper end and with L font guide block (23) complex direction spout (24).

3. The blackboard lamp according to claim 2, characterized in that: and side covers (31) capable of sealing the end parts of the guide chutes (24) are covered at the two ends of the lamp shell (121).

4. The blackboard lamp according to claim 2, characterized in that: the arch-shaped frame (22) upper end is equipped with square through hole (41), link (21) are square structure and can stretch into in the square through hole (41) link (21) one side is run through there is perforating hole (42) both ends are the activity respectively and are equipped with fixture block (43), two be connected with spring (44) between fixture block (43).

5. The blackboard lamp according to claim 1, characterized in that: a first tension spring (51) is connected between the wall fixing rod (1) and the supporting inclined rod (3).

6. The blackboard lamp according to claim 1, characterized in that: locking device is including following a plurality of locking holes (61) that the length direction equipartition of horizontal support pole (2) set up locking post (62) that can stretch into in locking hole (61) are worn to be equipped with in the activity on slider (5) be connected with between locking post (62) and slider (5) and enable locking post (62) to keep stretching into second extension spring (63) in locking hole (61).

7. The blackboard lamp according to claim 1, characterized in that: wall dead lever (1), horizontal support pole (2) and support down tube (3) are C shaped steel structure, and can accomodate each other.

8. The blackboard lamp according to claim 1, characterized in that: wall dead lever (1) upper end is equipped with spacing roof (81), spacing roof (81) can restrict the maximum contained angle of wall dead lever (1) and horizontal support pole (2) is 90.

9. The blackboard lamp according to claim 1, characterized in that: the wall fixing rod (1) is provided with a plurality of mounting through holes (91).

10. The blackboard lamp according to claim 1, characterized in that: and a power supply (101) electrically connected with the LED lamp strip group (125) is also arranged in the opening (122).