Rainbow projection lamp capable of positioning projection direction of lens
By using positioning gears and elastic engaging members in the rainbow projection lamp, the problem of difficulty in maintaining the lens angle is solved, stable positioning and convenient adjustment of the lens angle is achieved, and the convenience of use of the equipment is improved.
Patent Information
- Application Number
- CN202420595010.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-03-26
AI Technical Summary
After adjusting the reflection direction of the lens, the existing rainbow projector lacks positioning members, which makes it difficult to maintain the lens angle and easily rotate and shift during the movement, and needs to be readjusted.
Using positioning gears and elastic engaging members, through the coaxial arrangement of the rotating shaft and positioning gear, combined with screw hole columns and cap-shaped gaskets, a cog engagement structure is formed to ensure the positioning of the lens angle, and through the angle limiter and adjustment gear The parts define the rotation range.
The adjustment angle of the lens is effectively maintained, avoiding rotational displacement, and providing rotation feedback to help users confirm the adjustment amount, improving the stability and convenience of the lens angle.
Smart Images
Figure CN222186706U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of projection lamps, in particular to a rainbow projection lamp capable of positioning the projection direction of a lens. Background Art
[0002] A rainbow projector lamp is a lamp that can project colorful lights in an arch or arc shape similar to a rainbow. It uses a group of lamps that can emit multiple colors of light at the same time and are arranged in sequence to shine on an arc-shaped reflector. The reflector reflects the multiple colors of light to project rainbow-like light and shadows on the projection wall or projection cloth.
[0003] Its structure is as follows: the Chinese utility model "a rainbow projection lamp with adjustable angle direction" with announcement number CN211738889U includes a base, a rotating groove connected to the front and back is arranged on the top of the base, a rotating seat is arranged at the bottom of the rotating groove, a turntable is rotatably arranged on the rotating seat, a lens is arranged on the top of the turntable, a cover is arranged at the bottom of the base, a switch is arranged at the left end of the bottom of the cover, a box for placing batteries is arranged on the cover, a battery cover is mounted at the bottom of the cover, a support arm is hinged at the left end of the top of the base, the support arm is hollow inside, an arm cover is arranged on the left wall of the support arm, a lampshade is rotatably arranged at the top of the right wall of the support arm, an LED electronic board is arranged inside the lampshade, and a cover is arranged at the bottom of the lampshade. The multi-color LED lights of red, orange, yellow, green, blue and purple are arranged in sequence to create a gradient effect of rainbow light. Through the reflection of the bottom lens, the LED rainbow light is reflected, amplified and projected on the wall, creating an effect of a rainbow after rain indoors.
[0004] The rainbow projection lamp with adjustable angle direction can adjust the reflection direction of the lens through the rotation of the rotating seat and the turntable, so as to achieve the purpose of adjusting the projection angle.
[0005] However, after rotating and adjusting the reflection direction of the lens, since the rotating and adjusting structure lacks a positioning component, after moving (for example, accidentally bumping into or rubbing the table to temporarily move it away) the rainbow projector lamp whose angle can be adjusted, it is easy to cause the lens that was originally adjusted to rotate and shift, requiring time to adjust again, which is not conducive to maintaining the angle of the lens after moving. Utility Model Content
[0006] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rainbow projection lamp capable of positioning the projection direction of a lens, comprising a lamp holder, a support plate installed on the lamp holder, a shaft hole passing through the support plate, a shaft hole rotatably connected to the shaft, a mounting frame installed on the shaft, an arc-shaped reflective lens installed on the mounting frame; a positioning gear is also connected to the shaft, wherein the shaft and the positioning gear are coaxially arranged, a connecting seat corresponding to the positioning gear is connected to the support plate, the connecting seat extends along the radial direction of the positioning gear to form an elastic card engaged with the tooth groove of the positioning gear; a lamp holder is connected to a lamp rack, and a multi-color lamp group for irradiating the arc-shaped reflective lens is installed on the lamp rack.
[0008] As a further solution of the utility model: a screw hole column is formed on the support plate; a gasket matching with the screw hole column is provided on the connecting seat, and the gasket is screwed and fixed on the screw hole column by a fixing screw.
[0009] As a further solution of the utility model: the gasket is a cap-shaped gasket that can be sleeved on the screw hole column.
[0010] As a further solution of the utility model: a positioning column close to the screw hole column is formed on the support plate, and a positioning hole matched with the positioning column is formed on the connecting seat.
[0011] As a further solution of the utility model: the positioning hole is located between the elastic card and the hat-shaped gasket.
[0012] As a further solution of the utility model: the width of the elastic card is gradually reduced towards the direction close to the positioning gear, wherein the width direction of the elastic card corresponds to the width direction of the tooth groove.
[0013] As a further solution of the utility model: a part of the teeth of the positioning gear extends outward to form an angle limiting piece; an angle adjustment starting stopper cooperating with the angle limiting piece and an angle adjustment ending stopper cooperating with the angle limiting piece are formed on the support plate, and the angle adjustment starting stopper and the angle adjustment ending stopper limit the adjustable rotation range of the positioning gear.
[0014] Compared with the prior art, the beneficial effects of the present technical solution are as follows: after adjusting the angle of the arc-shaped reflective lens by rotating the shaft, the elastic card can be held on the tooth groove corresponding to the rotation positioning gear to form an angle positioning for the arc-shaped reflective lens after adjustment, ensuring that when the rainbow projection lamp is touched or temporarily removed, the originally adjusted angle of the arc-shaped reflective lens is not easily displaced, and the lens rotation angle can be better maintained; when performing rotation adjustment, rotation feedback can also be obtained through the collision between the teeth and the elastic card, which is more conducive to the user's judgment and confirmation of the adjustment amount.
[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 It is a structural stereogram of the utility model;
[0018] Figure 2 It is a structural sectional view of the utility model;
[0019] Figure 3 It is a schematic diagram of the cooperation between the positioning gear and the elastic card in the utility model.
[0020] The corresponding reference numerals in the accompanying drawings are described as follows:
[0021] Lamp holder -1, support plate -2, shaft hole -3, shaft -4, mounting frame -5, arc-shaped reflective lens -6, positioning gear -7, connecting seat -8, elastic card -9, screw hole column -10, cap-shaped gasket -11, fixing screw -12, positioning column -13, positioning hole -14, angle limiting part -15, angle adjustment starting stop -16, angle adjustment ending stop -17, lamp holder -18, multi-color lamp group -19, first rotating arm -181, second rotating arm -182, third rotating arm -183. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3The rainbow projection lamp capable of positioning the projection direction of the lens comprises a lamp holder 1, a support plate 2 is mounted on the lamp holder 1, a shaft hole 3 is passed through the support plate 2, a shaft 4 is rotatably connected to the shaft hole 3, a mounting frame 5 is mounted on the shaft 4, and an arc-shaped reflective lens 6 is mounted on the mounting frame 5. A positioning gear 7 is also connected to the shaft 4, wherein the shaft 4 and the positioning gear 7 are coaxially arranged, a connecting seat 8 corresponding to the positioning gear 7 is connected to the support plate 2, and the connecting seat 8 extends along the radial direction of the positioning gear 7 to form an elastic card 9 engaged with the tooth groove of the positioning gear 7.
[0024] The lamp holder 1 is connected to a lamp holder 18, and a multicolor lamp set 19 is mounted on the lamp holder 18 for irradiating the arc reflector lens 6. The multicolor lamp set 19 is composed of a plurality of light-emitting lamps capable of emitting different colors, and the multicolor lamp set 19 irradiates the arc reflector lens 6, so that the arc reflector lens 6 performs reflection projection.
[0025] After the angle of the arc reflective lens 6 is adjusted by rotating the rotating shaft 4, the elastic card 9 can be kept stuck on the corresponding tooth groove after the rotating positioning gear 7, so as to form the angle positioning of the arc reflective lens 6 after adjustment, ensuring that when the rainbow projection lamp is touched or temporarily removed, the originally adjusted angle of the arc reflective lens 6 is not easy to rotate and shift, and the lens rotation angle can be better maintained; when performing rotation adjustment, rotation feedback can also be obtained through the collision between the teeth and the elastic card, which is more conducive to the user to judge and confirm the adjustment amount.
[0026] In the embodiment of the utility model, a screw hole column 10 is formed on the support plate 2; a gasket matching with the screw hole column 10 is provided on the connecting seat 8, and the gasket is screwed and fixed on the screw hole column 10 by a fixing screw 12.
[0027] Preferably, the gasket is a cap-shaped gasket 11 that can be sleeved on the screw hole column 10 .
[0028] More preferably, a positioning column 13 close to the screw hole column 10 is formed on the support plate 2, and a positioning hole 14 cooperating with the positioning column 13 is formed on the connection seat 8. The positioning hole 14 is located between the elastic card 9 and the cap-shaped gasket 11. On the one hand, under the premise of ensuring that the connection seat 8 is connected and fixed to the support plate 2, it is ensured that when the positioning gear 7 is rotated to cause the teeth of the positioning gear 7 to apply pressure to the elastic card 9, the connection seat 8 will not be displaced on the support plate 2, ensuring the cooperation between the elastic card 9 and the tooth groove. On the other hand, the positioning column 13 is also used to support and reinforce the elastic card 9 to ensure the durability of the elastic card 9.
[0029] Furthermore, the width of the elastic card 9 is gradually reduced toward the direction approaching the positioning gear 7 , wherein the width direction of the elastic card 9 corresponds to the width direction of the tooth groove.
[0030] In the embodiment of the utility model, a portion of the teeth of the positioning gear 7 extend outward to form an angle limiting member 15; the support plate 2 is formed with an angle adjustment starting stopper 16 that cooperates with the angle limiting member 15, and an angle adjustment ending stopper 17 that cooperates with the angle limiting member 15. The angle adjustment starting stopper 16 and the angle adjustment ending stopper 17 limit the adjustable rotation range of the positioning gear 7.
[0031] like Figure 2 As shown, in the embodiment of the utility model, the lamp stand can be composed of multiple rotating arms, such as the lamp stand includes a first rotating arm 181 rotatably connected to the lamp holder 1, the first rotating arm 181 is rotatably connected to the second rotating arm 182, the second rotating arm 182 is rotatably connected to the third rotating arm 183, the multi-color lamp group 19 is installed on the third rotating arm 183, through the first rotating arm 181, the second rotating arm 182 and the third rotating arm 183, the illumination angle of the multi-color lamp group 19 is also adjustable, and the applicability is better.
[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. Rainbow projection lamp that can locate the projection direction of the lens, It is characterized in that It comprises a lamp holder, a support plate is mounted on the lamp holder, a shaft hole is passed through the support plate, a shaft is rotatably connected to the shaft hole, a mounting frame is mounted on the shaft, and an arc-shaped reflective lens is mounted on the mounting frame; The rotating shaft is also connected to a positioning gear, wherein the rotating shaft and the positioning gear are coaxially arranged, and a connecting seat corresponding to the positioning gear is connected to the supporting plate, and the connecting seat extends along the radial direction of the positioning gear to form an elastic clip that engages with the tooth groove of the positioning gear; The lamp holder is connected with a lamp frame, and the lamp frame is equipped with a multi-color lamp group for irradiating the arc-shaped reflective lens.
2. The rainbow projection lamp capable of positioning the projection direction of the lens according to claim 1, It is characterized in that The support plate is formed with a screw hole column; The connection seat is provided with a gasket matched with the screw hole column, and the gasket is screwed and fixed on the screw hole column by a fixing screw.
3. The rainbow projection lamp capable of positioning the projection direction of the lens according to claim 2, It is characterized in that The gasket is a cap-shaped gasket that can be sleeved on the screw hole column.
4. The rainbow projection lamp capable of positioning the projection direction of the lens according to claim 2 or 3, It is characterized in that A positioning column close to the screw hole column is also formed on the support plate, and a positioning hole matched with the positioning column is formed on the connecting seat.
5. The rainbow projection lamp capable of positioning the projection direction of the lens according to claim 4, It is characterized in that The positioning hole is located between the elastic card and the gasket.
6. The rainbow projection lamp capable of positioning the projection direction of the lens according to claim 1, 2, 3 or 5, It is characterized in that The width of the elastic card is gradually reduced toward the direction close to the positioning gear. The width direction of the elastic card corresponds to the width direction of the tooth groove.
7. The rainbow projection lamp capable of positioning the projection direction of the lens according to claim 1, It is characterized in that A portion of the teeth of the positioning gear extends outward to form an angle limiting member; An angle adjustment starting stopper cooperating with the angle limiting member and an angle adjustment ending stopper cooperating with the angle limiting member are formed on the support plate. The angle adjustment starting stopper and the angle adjustment ending stopper define the adjustable rotation range of the positioning gear.