Illuminating device convenient to adjust

Abstract

The utility model relates to the technical field of exhibition hall lighting devices, in particular to a lighting device convenient to adjust. Comprising a fixing frame, a rope winding device is arranged in the middle of the fixing frame, two rope bodies are wound on the rope winding device respectively, and the two rope bodies penetrate out of the left side and the right side of the fixing frame respectively; the two ends of the transverse rod are fixedly connected with the rope body respectively, at least one adjusting assembly is arranged on the transverse rod, and a lamp is installed below the adjusting assembly; the position of the adjusting assembly can be adjusted along the transverse rod according to changes of exhibits, the horizontal and height of the lamp can be adjusted through winding of the rope body, the adjusting assembly rotates, the irradiation angle of the lamp can be changed, the irradiation effect is guaranteed, and the overall operability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhibition hall lighting device technical field especially, it is a kind of lighting device convenient to adjust. BACKGROUND

[0002] Exhibition hall, science and technology museum and museum and so on venue area, for the light source setting of exhibition wall or showcase, in order to improve the display effect of article, usually angle fixed lamp in the top area of display article, under the condition of retaining irradiation effect, it will not affect the viewing experience of exhibition personnel, at present, for the fixing of lamp, usually adopt support and roof fixed, then lamp is inserted into the slot hole of support, utilizes screw to press tightly fixed, but cannot be adjusted according to the change of exhibits, corresponding adjustment lamp horizontal position, suspension height and irradiation angle, affect display effect, inconvenient to use. UTILITARY MODEL CONTENT

[0003] The utility model solves the technical problem that exists above, provides a kind of lighting device convenient to adjust, can be adjusted along cross bar the position of adjusting assembly according to the change of exhibits, and utilize the winding of rope body, realize the adjustment of lamp horizontal and height, and adjusting assembly itself rotation, lamp irradiation angle change can also be realized, guarantee irradiation effect, improve the operability of whole.

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is as follows:

[0005] Fixed frame, the fixed frame middle part is equipped with winding rope device, and two sections of rope body are respectively wound on the winding rope device, and the two sections of rope body are respectively drawn out from the left and right sides of fixed frame;

[0006] Cross bar, the cross bar both ends are respectively fixedly connected with rope body, at least one adjusting assembly is provided on the cross bar, and lamp is installed below the adjusting assembly.

[0007] Preferably, the winding rope device includes a winding drum and a plug shaft;The winding drum is pivotally connected to the middle part of the fixed frame, the winding drum has two winding regions, one end of the winding drum is provided with an operation disc, and a plurality of positioning holes are uniformly arranged on the operation disc;The plug shaft is inserted into the positioning hole and connected with the fixed frame.

[0008] Preferably, the fixed frame is provided with a limiting hole at both sides.

[0009] Preferably, the fixed frame is provided with a limiting hole at both sides.

[0010] Preferably, a guide groove is provided on the cross bar; the adjustment assembly includes a collar, a rotating frame and a mounting frame; the collar is connected to the cross bar and is provided with a guide block that cooperates with the guide groove; the rotating frame and the collar are rotatably connected, and a clamping screw and a connecting seat are respectively provided on the rotating frame; the mounting frame and the connecting seat are connected by a rotating shaft, and a lamp is fixed on the mounting frame.

[0011] Preferably, a locking tooth is provided in the middle of the collar; a pressure block is provided inside the rotating frame, the lower surface of the pressure block is arc-shaped, and the surface is provided with a plurality of locking grooves connected to the locking tooth, and the upper surface of the pressure block is in contact with the tightening screw.

[0012] Preferably, elastic sheets are symmetrically provided on the upper surface of the pressing block.

[0013] Preferably, the connecting seat is provided with an annular hole; and the mounting frame is provided with a threaded column that cooperates with the annular hole.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The height of the crossbar can be adjusted by controlling the length of the rope through the rope winding device. The operation is simple and convenient. The adjustment component can slide along the crossbar, and the adjustment component can also change the irradiation angle, thereby meeting various adjustment needs and improving operability.

[0016] 2. The rotating frame and the collar are connected by rotation. At the same time, the mounting frame and the rotating frame are connected by the same shaft, which can complete the longitudinal rotation and horizontal rotation of the lamp respectively, thereby forming different irradiation angles and ensuring the actual irradiation effect;

[0017] 3. The pressure block cooperates with the clamping teeth and is locked with the clamping screw, which can effectively improve the positioning stability of the lamp after longitudinal rotation and prevent slipping, thereby meeting the load-bearing requirements of high-power lamps;

[0018] 4. The reel is fixed with an inserted shaft, which has a simple and practical structure, is easy to operate, reduces production costs, and is stable and reliable after connection and can withstand greater gravity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of an easily adjustable lighting device;

[0020] Figure 2 This is a structural diagram of the rope winding device;

[0021] Figure 3 Schematic diagram of the crossbar structure;

[0022] Figure 4 Schematic diagram of the adjustment component structure;

[0023] Figure 5 For the adjustment assembly explosion schematic diagram;

[0024] Figure 6 For the adjustment assembly explosion state structure diagram;

[0025] Figure 7 For the light irradiation angle adjustment schematic diagram.

[0026] In the figure: 1, fixed frame; 2, rope winding device; 3, rope; 4, crossbar; 5, adjustment assembly; 6, collar; 7, rotating frame; 8, mounting frame; 101, limit hole; 102, guide wheel; 201, winding drum; 202, insertion shaft; 203, operation disc; 204, positioning hole; 401, guide groove; 501, lamp; 601, guide block; 602, clamping tooth; 701, compression screw; 702, connecting seat; 703, pressing block; 704, clamping groove; 705, elastic sheet; 706, annular hole; 801, threaded column. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0028] Specific implementation manner one: in combination with Figures 1-7 As shown in the figure, a convenient adjustment lighting device, including: fixed frame 1, fixed frame 1 middle part is equipped with rope winding device 2, two sections of rope 3 are wound on rope winding device 2 respectively, one end of rope 3 is fixed on rope winding device 2, the other end of two sections of rope 3 is respectively worn out by the left and right sides of fixed frame 1, and falls downward; crossbar 4, the both ends of crossbar 4 are fixedly connected with rope 3 respectively, at least one adjustment assembly 5 is arranged on crossbar 4, and lamp 501 is installed below adjustment assembly 5, wherein adjustment assembly 5 can be installed on crossbar 4 according to the arrangement requirement of lamp 501, and a plurality of groups of adjustment assemblies 5 can be installed on crossbar 4 according to the irradiation requirement, and the position of each adjustment assembly 5 is adjusted correspondingly, and horizontal adjustment is realized, and then adjustment assembly 5 itself is adjusted again, and the adjustment of irradiation angle is completed, and the operability is strong, and most of the irradiation requirements can be met.

[0029] By punching in the installation area of the roof and installing expansion bolts, the both ends of fixed frame 1 are connected with the expansion bolts respectively, and are pressed and fixed by nuts, so that installation is realized, when the height position of lamp 501 needs to be adjusted, rope winding device 2 is operated, rope 3 is pulled to be tightened or released, the height adjustment of crossbar 4 is realized, the operation is simple and convenient, and according to the irradiation requirement, a plurality of groups of adjustment assemblies 5 can be installed on crossbar 4, and the position of each adjustment assembly 5 is adjusted correspondingly, horizontal adjustment is realized, then adjustment assembly 5 itself is adjusted again, the adjustment of irradiation angle is completed, and the operability is strong, and most of the irradiation requirements can be met.

[0030] The preferred embodiment, in combination Figure 2 As shown, the rope winding device 2 includes a winding drum 201 and a shaft 202; the front and rear ends of the winding drum 201 are pivotally connected to the middle of the fixed frame 1, and a circular ring is welded in the middle of the winding drum 201, dividing the whole into two winding areas, each of which is wound with a section of the rope 3; one end of the winding drum 201 is provided with an operating disc 203, and the operating disc 203 is uniformly provided with a plurality of positioning holes 204; the fixed frame 1 is provided with a small hole at the corresponding position, the shaft 202 passes through the positioning hole 204 and enters the small hole, thereby achieving the positioning of the winding drum 201 after adjustment.

[0031] The preferred embodiment, in combination Figure 1 As shown, in order to realize the positioning of the middle position of the rope 3, two vertical plates are welded on both sides of the fixed frame 1, and limiting holes 101 are processed on the vertical plates; after the rope 3 passes through the limiting holes 101, the guiding and positioning are realized, and the swinging is avoided.

[0032] The preferred embodiment, in combination Figure 1 As shown, the fixed frame 1 is provided with a hole position for the downward bending of the rope 3 at both ends; by arranging a guide wheel 102 at the hole position, the support of the rope 3 is realized, which can effectively improve the flexibility of operation and reduce friction.

[0033] The preferred embodiment, in combination Figure 1 , Figure 3 and Figure 4 As shown, the horizontal rod 4 is provided with a guide groove 401; the adjusting assembly 5 includes a sleeve ring 6, a rotating frame 7 and a mounting frame 8; the sleeve ring 6 is connected with the horizontal rod 4 and is provided with a guide block 601 matched with the guide groove 401, forming a sliding connection with the guide groove 401; the rotating frame 7 is sleeved on the sleeve ring 6 to form a rotating connection, and the rotating frame 7 is respectively provided with a pressing screw 701 and a connecting seat 702, and the pressing screw 701 is threadedly connected with the rotating frame 7; the mounting frame 8 is pivotally connected with the connecting seat 702, and a lamp 501 is fixed below the mounting frame 8; by rotating the rotating frame 7 around the sleeve ring 6, the rotation of the lamp 501 relative to the longitudinal direction can be realized, and after rotation, the end of the pressing screw 701 is in contact with the sleeve ring 6 by rotating the pressing screw 701, and the friction force is used for braking, and the rotation of the mounting frame 8 can also realize the rotation in the horizontal direction, and the positioning is realized by the transition fit at the pivot connection.

[0034] The preferred embodiment, in combination Figures 5-7As shown, the middle of the collar 6 is provided with a clamping tooth 602; the inside of the rotating frame 7 is provided with a pressing block 703, the upper surface of the pressing block 703 is a plane, the lower surface is a circular arc, and a plurality of clamping grooves 704 connected with the clamping tooth 602 are arranged on the circular arc surface, the upper surface of the pressing block 703 is in contact with the pressing screw 701, the pressing block 703 is displaced by the pressing screw 701, so that the clamping groove 704 is locked with the clamping tooth 602, the positioning reliability after longitudinal rotation adjustment is effectively improved, slippage is avoided, and the stress intensity is improved.

[0035] In a preferred embodiment, in combination with Figure 6 As shown, the upper surface of the pressing block 703 is symmetrically provided with an elastic sheet 705, the elastic sheet 705 is made of spring steel, and the upper surface is in contact with the rotating frame 7, and the elastic force can keep the pressing block 703 in close contact with the collar 6, when the clamping tooth 602 slides out of the clamping groove 704 and enters the next clamping groove 704 during the rotation of the collar 6, a certain sound is generated, which is convenient for the operator to judge whether the rotation is in place.

[0036] In a preferred embodiment, in combination with Figure 5 And Figure 6 As shown, the connecting seat 702 is provided with an annular hole 706; the mounting frame 8 is provided with a threaded column 801 matched with the annular hole 706, so that the mounting frame 8 can be horizontally rotated within a certain range, and the threaded column 801 is provided with a pressing nut, which is in contact with the mounting frame 8 to increase the friction and improve the positioning stability. Specific implementation method two

[0038] In combination with Figure 4 As shown, in order to realize the positioning of the adjusting assembly 5 after displacement adjustment along the horizontal rod 4, a screw is installed on one side of the collar 6, the screw and the collar 6 are threadedly connected, the screw is in contact with the horizontal rod 4, and the friction is used to realize the braking.

[0039] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model shall be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A lighting device that is easy to adjust, characterized in that: include: A fixed frame (1), wherein a rope winding device (2) is provided in the middle of the fixed frame (1), two rope sections (3) are respectively wound around the rope winding device (2), and the two rope sections (3) are passed through the left and right sides of the fixed frame (1) respectively; A crossbar (4), both ends of which are fixedly connected to the rope body (3), at least one adjustment component (5) is provided on the crossbar (4), and a lamp (501) is installed below the adjustment component (5).

2. The adjustable lighting device according to claim 1, characterized in that: The rope winding device (2) comprises a reel (201) and an insertion shaft (202); the reel (201) is connected to the middle of the fixed frame (1) via a rotating shaft, the reel (201) has two winding areas, an operating disk (203) is provided at one end of the reel (201), and a plurality of positioning holes (204) are evenly provided on the operating disk (203); the insertion shaft (202) penetrates the positioning hole (204) and is connected to the fixed frame (1).

3. The adjustable lighting device according to claim 1, characterized in that: Limiting holes (101) are provided on both sides of the fixing frame (1).

4. The adjustable lighting device according to claim 1, characterized in that: Guide wheels (102) are respectively provided at both ends of the fixing frame (1).

5. The adjustable lighting device according to claim 1, characterized in that: The crossbar (4) is provided with a guide groove (401); the adjustment assembly (5) comprises a collar (6), a rotating frame (7) and a mounting frame (8); the collar (6) is connected to the crossbar (4) and is provided with a guide block (601) that cooperates with the guide groove (401); the rotating frame (7) and the collar (6) are rotatably connected, and a clamping screw (701) and a connecting seat (702) are respectively provided on the rotating frame (7); the mounting frame (8) and the connecting seat (702) are connected by a rotating shaft, and a lamp (501) is fixed on the mounting frame (8).

6. The adjustable lighting device according to claim 5, characterized in that: A locking tooth (602) is provided in the middle of the collar (6); a pressing block (703) is provided inside the rotating frame (7); the lower surface of the pressing block (703) is in an arc shape, and a plurality of locking grooves (704) connected to the locking tooth (602) are provided on the surface; the upper surface of the pressing block (703) is in contact with the tightening screw (701).

7. The adjustable lighting device according to claim 6, characterized in that: Elastic sheets (705) are symmetrically provided on the upper surface of the pressing block (703).

8. The adjustable lighting device according to claim 5, characterized in that: The connecting seat (702) is provided with an annular hole (706); the mounting frame (8) is provided with a threaded column (801) that cooperates with the annular hole (706).

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