CN217109333U

CN217109333U - Blackboard lamp

Info

Publication number: CN217109333U
Application number: CN202220324321.7U
Authority: CN
Inventors: 郑耀富; 郭启恒
Original assignee: Fuan Qumeida Electric Machine Co ltd
Current assignee: Fuan Qumeida Electric Machine Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-02
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a blackboard lamp, it includes lamp body, jib and angle adjustment mechanism, the lamp body top is equipped with the slide rail, angle adjustment mechanism includes sleeve, balladeur train and rotatory setting element, connection on the slide rail balladeur train slidable, the jib cup joints with the sleeve mutually and is connected, rotatory setting element rotates sleeve and balladeur train and links together, the balladeur train drives the lamp body and rotates accessible rotatory setting element after suitable angle and fix balladeur train and sleeve. The rotating positioning piece is used for rotatably connecting the sleeve and the sliding frame together, and the sliding frame drives the lamp body to rotate to a proper angle and then can fix the sliding frame and the sleeve through the rotating positioning piece. From this for the angle modulation structure of this blackboard lamp is simpler, and the rotation of balladeur train all realizes through rotating the setting element with the location, and spare part still less, the cost is lower, and it is also more convenient to adjust simultaneously.

Description

Blackboard lamp

Technical Field

The utility model relates to a blackboard lamp.

Background

The blackboard lamp is a special blackboard lamp with asymmetric strong light distribution characteristics, is installed in parallel with a blackboard, is generally parallel to the blackboard and is between 0.7m and 1.0m away from the blackboard, and is used for preventing the blackboard from reflecting light after being illuminated by the lamp, so that the brightness of the whole blackboard is uniformly distributed, students can clearly see the content written on the blackboard, and the blackboard lamp is also prevented from generating glare to teachers, the illumination angle of the blackboard lamp is an important influence factor of good and bad anti-glare effect, although the position and the size of the blackboard have national standards, in actual field installation, certain fine adjustment is required to be carried out on the angle of the blackboard lamp, so that the better illumination angle is achieved, the current angle adjustment of the blackboard lamp mostly only depends on the position of a suspender, fine adjustment is difficult to carry out if the angle is not proper after the blackboard lamp is installed, the whole lamp can only be detached and reinstalled, time and labor are wasted, and the problem of angle fine adjustment needs to be improved, the rotating mechanism of the blackboard lamp is designed to be capable of finely adjusting the angle and convenient to adjust and operate.

Or, like chinese utility model patent application No. 202022406931.5, patent name be the patent of blackboard lamp, its rotating member has the link that sets up towards the lamp body and link to each other with the lamp body, and the rotating member rotates and installs on installing support to can rotate on installing support so that the link is close to or keeps away from installing support, thereby the pulling or promote the lamp body relative the jib swings. Although the blackboard lamp is provided with the angle adjusting mechanism, the attached drawings show that an additional mounting bracket is required to position the rotating part, so that the size of the angle adjusting mechanism is large and the angle adjusting mechanism is complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a blackboard lamp, it has overcome the not enough that the background art exists. The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a blackboard lamp, it includes lamp body, jib and angle adjustment mechanism, the lamp body top is equipped with the slide rail, angle adjustment mechanism includes sleeve, balladeur train and rotatory setting element, balladeur train slidable ground is connected on the slide rail, the jib cup joints with the sleeve mutually and is connected, rotatory setting element rotates sleeve and balladeur train and links together, the balladeur train drives the lamp body and rotates accessible rotatory setting element behind the suitable angle and fix balladeur train and sleeve.

In a preferred embodiment: the rotary positioning piece comprises a rotary bolt and a positioning nut, and the rotary bolt penetrates through the sleeve and the sliding frame and is in threaded connection with the positioning nut.

In a preferred embodiment: the sliding frame is provided with a first lug and a second lug which are arranged at intervals upwards, the sleeve is arranged between the first lug and the second lug, and the rotating bolt penetrates through the first lug, the sleeve and the second lug transversely and then is in threaded connection with the positioning nut.

In a preferred embodiment: the positioning nut is polygonal, two sides of the second lug are provided with limiting blocks, and two sides of the positioning nut are respectively in limiting fit with the two limiting blocks.

In a preferred embodiment: the rotary positioning piece further comprises an elastic cushion which is sleeved outside the rotary bolt and clamped between the two limiting blocks.

In a preferred embodiment: the sleeve is provided with a first jack, the suspender is provided with a second jack which can be in plug-in fit with the first jack, and the suspender is further provided with a bolt which is in plug-in fit with the first jack and the second jack.

In a preferred embodiment: the bolt head end is equipped with the stopper, the bolt end is equipped with two forked strips that can bend, and two forked strips are bent after the bolt end passes first jack and second jack.

In a preferred embodiment: the sliding rail is positioned at the top end of the lamp body, the top end of the sliding rail is provided with an opening, and the first lug and the second lug extend upwards from the opening; and sliding blocks are arranged on two sides of the sliding frame and are respectively in sliding fit with two sides of the sliding rail.

In a preferred embodiment: the carriage is further provided with an extension plate and a carriage positioning piece, the carriage positioning piece is installed on the extension plate, and the bottom end of the carriage positioning piece can be pressed against the bottom surface of the slide rail to position the carriage.

In a preferred embodiment: the sliding frame positioning piece is a sliding rail positioning bolt, the extension plate is provided with a screw hole, the sliding rail positioning bolt is in threaded connection with the screw hole, and the bottom end of the sliding rail positioning bolt is pressed against the bottom surface of the sliding rail.

Compared with the background technology, the technical scheme has the following advantages:

1. the rotating positioning piece is used for rotatably connecting the sleeve and the sliding frame together, and the sliding frame drives the lamp body to rotate to a proper angle, so that the sliding frame and the sleeve can be fixed through the rotating positioning piece. From this for the angle modulation structure of this blackboard lamp is simpler, and the rotation of balladeur train all realizes through rotatory setting element with the location, and spare part is still less, and the cost is lower, and it is also more convenient to adjust simultaneously.

2. The rotary positioning piece comprises a rotary bolt and a positioning nut, and the rotary positioning structure is suitable for all installers and has strong applicability.

3. Two of them limits of set nut cooperate with two stopper mutually limit respectively for this set nut has the effect of locking taking off under the effect of two stoppers.

4. The rotary positioning piece also comprises an elastic cushion, and the elastic piece can further prevent the positioning nut from loosening.

5. Two branch strips bend after the bolt end passes first jack and second jack, can avoid the bolt to deviate from first jack and second jack department.

6. The balladeur train setting element is installed on the extension board and its bottom can be pressed and support in order to fix a position the balladeur train in the slide rail bottom surface, guarantees the stability of lamp body.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an overall schematic view of a blackboard lamp according to a preferred embodiment.

Fig. 2 is a partially enlarged schematic view of fig. 1.

Fig. 3 is a schematic structural diagram of an angle adjustment mechanism according to a preferred embodiment.

Detailed Description

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" and "fixedly connected" should be understood in a broad sense, i.e., any connection without displacement relationship or relative rotation relationship between the two, i.e., including non-detachable fixed connection, integrated connection and fixed connection by other devices or elements.

In the claims, the specification and drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.

Referring to fig. 1 to 3, a preferred embodiment of a blackboard lamp includes a lamp body 10, a suspension rod 20 and an angle adjusting mechanism.

The top end of the lamp body 10 is provided with a slide rail 11.

As shown in fig. 1, the lamp body 10 is in a strip shape, and both ends of the lamp body are provided with end caps 12.

In this embodiment, the slide rail 11 is located at the top end of the lamp body 10, and the top end of the slide rail 11 has an opening. Both ends accessible end cover 12 of this slide rail 11 shelter from, and when the balladeur train installation finished, end cover 12 at accessible both ends carried out the anticreep to the balladeur train spacing.

The angle adjusting mechanism comprises a sleeve 30, a sliding frame 40 and a rotary positioning piece, the sliding frame 40 is connected to the sliding rail 11 in a sliding mode, the hanging rod 20 is connected with the sleeve 30 in a sleeved mode, the rotary positioning piece enables the sleeve 30 and the sliding frame 40 to be connected together in a rotating mode, and the sliding frame 40 drives the lamp body 10 to rotate to a proper angle and then can fix the sliding frame 40 and the sleeve 30 through the rotary positioning piece.

In this embodiment, the rotating positioning member includes a rotating bolt 50 and a positioning nut 51, and the rotating bolt 50 passes through the sleeve 30 and the carriage 40 and is in threaded engagement with the positioning nut 51.

The carriage 40 is provided with a first lug 41 and a second lug 42 arranged at intervals upwards, and the first lug 41 and the second lug 42 protrude upwards from the opening of the carriage. The sleeve 30 is disposed between the first lug 41 and the second lug 42, and the rotary bolt 50 is threaded with the positioning nut 51 after passing through the first lug 41, the sleeve and the second lug 42 in a transverse direction.

In this embodiment, the positioning nut 51 is polygonal, two sides of the second lug 42 are both provided with the limiting blocks 43, and two sides of the positioning nut 51 are respectively in limiting fit with the two limiting blocks 43. As shown in fig. 2, the positioning nut 51 is hexagonal, and the left and right sides thereof are parallel to each other and respectively attached to the inner walls of the two limit blocks 43.

In this embodiment, the rotating positioning member further includes an elastic pad 52, and the elastic pad 52 is sleeved outside the rotating bolt 50 and sandwiched between the two limiting blocks 43. The elastic pad 52 has a large friction force with the two stoppers 43, and can exert an anti-slip effect on the positioning nut 51.

In this embodiment, the sleeve 30 has a first insertion hole 31, the suspension rod 20 has a second insertion hole capable of being inserted into the first insertion hole 31, and a plug 60 is further provided, wherein the plug 60 is inserted into the first insertion hole 31 and the second insertion hole.

In this embodiment, as shown in fig. 2, the head end of the bolt 60 is provided with a stopper 61, the end of the bolt 60 is provided with two bendable branches 62, and when the end of the bolt 60 passes through the first insertion hole 31 and the second insertion hole, the two branches 62 are bent.

In this embodiment, two sides of the sliding frame 40 are provided with sliding blocks 44, and the two sliding blocks 44 are respectively in sliding fit with two sides of the sliding rail 11. As shown in fig. 3, the middle portion of the slider 44 is arched upward to form a convex shape 45, which can be fitted to both sides of the slide rail 11, and also increases the friction between the slider 44 and the slide rail 11.

In this embodiment, the carriage 40 further has an extension plate 46, and a carriage positioning member is further provided, and the carriage positioning member is mounted on the extension plate 46 and the bottom end of the carriage positioning member can be pressed against the bottom surface of the slide rail 11 to position the carriage 40.

Specifically, as shown in fig. 2, the extension plate 46 is arranged parallel to the bottom surface of the slide rail 11, the carriage positioning element is a slide rail positioning bolt 70, the extension plate 46 is provided with a screw hole, the slide rail positioning bolt 70 is screwed with the screw hole, and the bottom end of the slide rail positioning bolt 70 is pressed against the bottom surface of the slide rail 11. In order to save material, the extension plate 46 is hollowed out.

When the angle of the lamp body 10 needs to be adjusted, the rotating bolt 50 can be loosened firstly, then the sliding frame 40 is rotated, the sliding frame 40 can drive the lamp body 10 to rotate synchronously, and when the lamp body rotates to a proper position, the rotating bolt 50 is screwed, so that the angle adjustment of the blackboard lamp is completed. The angle adjusting device can be adjusted during installation, and can also be adjusted again after the installation is finished, so that the adjustment is convenient.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. A blackboard lamp is characterized in that: it includes lamp body, jib and angle adjustment mechanism, the lamp body top is equipped with the slide rail, angle adjustment mechanism includes sleeve, balladeur train and rotatory setting element, balladeur train slidable ground is connected on the slide rail, the jib cup joints with the sleeve mutually and is connected, rotatory setting element rotates sleeve and balladeur train and links together, the balladeur train drives the lamp body and rotates accessible rotatory setting element behind the suitable angle and fix balladeur train and sleeve.

2. The blackboard lamp according to claim 1, characterized in that: the rotary positioning piece comprises a rotary bolt and a positioning nut, and the rotary bolt penetrates through the sleeve and the sliding frame and is in threaded connection with the positioning nut.

3. A blackboard lamp according to claim 2, characterised in that: the sliding frame is provided with a first lug and a second lug which are arranged at intervals upwards, the sleeve is arranged between the first lug and the second lug, and the rotating bolt penetrates through the first lug, the sleeve and the second lug transversely and then is in threaded connection with the positioning nut.

4. A blackboard lamp according to claim 3, characterised in that: the positioning nut is polygonal, two sides of the second lug are provided with limiting blocks, and two sides of the positioning nut are respectively in limiting fit with the two limiting blocks.

5. The blackboard lamp according to claim 4, characterized in that: the rotary positioning piece further comprises an elastic cushion which is sleeved outside the rotary bolt and clamped between the two limiting blocks.

6. The blackboard lamp according to claim 1, characterized in that: the sleeve is provided with a first jack, the suspender is provided with a second jack which can be in plug-in fit with the first jack, and the suspender is further provided with a bolt which is in plug-in fit with the first jack and the second jack.

7. The blackboard lamp according to claim 6, characterized in that: the bolt head end is equipped with the stopper, the bolt end is equipped with two forked strips that can bend, and two forked strips are bent after the bolt end passes first jack and second jack.

8. A blackboard lamp according to claim 3, characterised in that: the sliding rail is positioned at the top end of the lamp body, the top end of the sliding rail is provided with an opening, and the first lug and the second lug extend upwards from the opening; and sliding blocks are arranged on two sides of the sliding frame and are respectively in sliding fit with two sides of the sliding rail.

9. The blackboard lamp according to claim 8, characterized in that: the carriage is further provided with an extension plate and a carriage positioning piece, the carriage positioning piece is installed on the extension plate, and the bottom end of the carriage positioning piece can be pressed against the bottom surface of the slide rail to position the carriage.

10. The blackboard lamp according to claim 9, characterized in that: the sliding frame positioning piece is a sliding rail positioning bolt, the extension plate is provided with a screw hole, the sliding rail positioning bolt is in threaded connection with the screw hole, and the bottom end of the sliding rail positioning bolt is pressed against the bottom surface of the sliding rail.