CN214795547U - Projection lamp - Google Patents

Abstract

The utility model discloses a projection lamp, which comprises a fixed seat, wherein the fixed seat comprises a groove; the rotating part comprises an opening penetrating through the upper surface and the lower surface of the rotating part and a rotating shaft part arranged around the opening, the rotating shaft part comprises a shaft part and a plurality of convex parts extending downwards from the shaft part, the plurality of convex parts are downwards abutted against the bottom wall of the groove, and a gap is formed between the shaft part and the bottom wall of the groove; the motor drives the rotating seat to rotate; the light source component is fixed on the fixed seat and is upwards exposed from the opening; the cover body is fixed on the rotary seat and covers the rotary seat and the light source assembly, so that the contact area between the rotary shaft part and the fixed seat is reduced, and the friction force between the rotary seat and the fixed seat is reduced.

Description

Projection lamp

[ technical field ] A method for producing a semiconductor device

The utility model relates to a projection lamp technical field, in particular to developments projection lamp.

Background

A current projection lamp, including the fixing base, install in roating seat, the light source of fixing base, be fixed in the casing of roating seat and set up in inboard projection piece, the drive of casing rotatory motor of roating seat, upper cover lid are located the casing top, the fixing base includes the recess of establishing from its top surface undercut, the roating seat accept in the recess, the roating seat including run through its upper and lower surface the opening, enclose and locate open-ended ring portion and be located the ring gear in the ring portion outside, the ring gear with the bottom surface of ring portion is planar structure, the ring gear with the equal downward butt of ring portion the diapire of recess.

Because the bottom surface of ring gear with the bottom surface of ring portion all supports downwards the diapire of recess, and in addition the reason of roating seat self gravity has increased the roating seat with the frictional force of the bottom of recess leads to motor drive the roating seat rotates more difficultly, leads to the motor easily fatigues, reduces life-span.

Therefore, there is a need to design a new projection lamp to overcome the above problems.

[ Utility model ] content

To the problem that the background art faces, the utility model provides a roating seat is including running through an opening of its upper and lower surface, protruding the stretching into the opening, the light source is fixed in the projection lamp of protruding portion.

In order to achieve the above object, the utility model adopts the following technical means:

a projection lamp, comprising: a fixing seat comprising a groove; the rotating part comprises an opening penetrating through the upper surface and the lower surface of the rotating part and a rotating shaft part arranged around the opening, the rotating shaft part comprises a shaft part and a plurality of convex parts extending downwards from the shaft part, the plurality of convex parts are downwards abutted against the bottom wall of the groove, and a gap is formed between the shaft part and the bottom wall of the groove; the motor drives the rotating seat to rotate; the light source component is fixed on the fixed seat and is upwards exposed from the opening; the light source component comprises a cover body and a projection film arranged on the cover body, wherein the cover body is fixed on the rotary seat and covers the upper part of the light source component.

Further, a plurality of the convex parts are arranged around the opening, and two adjacent convex parts are arranged at intervals.

The convex part is of a circular arc structure.

Further, the rotating seat further comprises a gear ring arranged around the rotating shaft part, and a gap is formed between the gear ring and the bottom wall of the groove.

Further, the fixing seat comprises a limiting part formed by upwards extending from the bottom wall of the groove, the limiting part upwards protrudes into the opening and is arranged around the rotating shaft part, and the limiting part limits the movement of the rotating shaft part in the horizontal direction.

Further, the restricting portion includes a base portion and a plurality of convex hulls formed to extend from the base portion, the convex hulls being disposed closer to the rotating shaft portion than the base portion.

Further, the convex hull and the rotating shaft part form a gap in the horizontal direction.

Furthermore, two adjacent convex hulls are arranged along the circumferential direction of the opening in a spaced mode, and the convex hulls are of circular arc structures.

Furthermore, the fixing seat comprises a cover body and a through hole penetrating through the cover body, the limiting part is arranged around the through hole, the through hole is connected with the groove, a power supply is fixed on the fixing seat, and a conducting wire penetrates through the through hole and is connected with the light source assembly.

Furthermore, the fixing seat comprises a protruding part which extends upwards from the bottom of the groove and protrudes into the opening, and the light source assembly is contained in the opening and fixed on the protruding part.

Compared with the prior art, the utility model discloses a projection lamp has following beneficial effect:

through the roating seat, accept in the recess, the rotating part is including running through its upper and lower surface opening and center on the pivot portion that the opening set up, pivot portion includes the axial region and certainly a plurality of convex parts that axial region downwardly extending formed, it is a plurality of the downward butt of convex part the diapire of recess, the axial region with form the clearance between the diapire of recess, reduced pivot portion with area of contact between the fixing base, thereby reduced the roating seat with frictional force between the fixing base reduces wearing and tearing between the two, has reduced the roating seat is right the resistance of motor improves the life-span of motor.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of a projection lamp according to the present invention;

FIG. 2 is an exploded perspective view of the fixing base, the light source and the rotating base shown in FIG. 1;

FIG. 3 is a perspective view of the fixing base shown in FIG. 2;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a perspective view of the swivel base of FIG. 1 after being inverted;

FIG. 6 is a top view of the rotary base of FIG. 1 assembled;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a partial enlarged view of c in FIG. 7;

FIG. 9 is a perspective view of the projection mask and the rotary base of FIG. 1;

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;

FIG. 11 is an enlarged view of a portion d of FIG. 10;

FIG. 12 is an enlarged view of a portion e of FIG. 10;

FIG. 13 is an exploded perspective view of the projection housing of FIG. 9;

fig. 14 is a perspective view of the upper cover of fig. 1 after rotation.

Reference numerals for specific embodiments illustrate:

projection lamp 100	Fixed seat 1	Base 11	Cover 12
				Through hole 121	Groove 122	Via 123	Protrusion 124
Holding part 125	Arm 1251	Baffle 1252	Buckling part 126
				Abdication groove 127	Restriction part 128	Base 1281	Convex closure 1282
Cavity 13	Rotating base 2	Opening 21	First step 22
				Second step 23	Card slot 24	First groove 241	Second groove 242
Fastening part 243	Guide surface 244	Rotating shaft part 25	Shaft portion 251
				Convex part 252	Ring gear 26	Ring portion 27	Electric machine 3
Gear 31	Light source 4	Lamp panel 41	Lamp bulb 42
				Cover body 5	First part 51	Main body portion 511	Fitting portion 5111
Supporting part 512	Opening 513	Hook 514	Connecting part 5141
				Hook 5142	Second portion 52	Limiting part 521	Crimping portion 522
Through groove 523	Slide 6	First movie 61	Second movie 62
				Middle part 621	Edge portion 622	Upper cover 7	Inner surface 71
Locking part 72	Main board 8	Power supply 9

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

As shown in fig. 1 and 2, which is the projection lamp 100 of the present invention, the projection lamp 100 includes a fixing base 1, a light source 4 fixed to the fixing base 1, a movable mounting in a rotary base 2 of the fixing base 1, a cover 2 and a cover disposed above the light source 4, a motor 3 of the rotary base 2, a main board 8 and a power source 9 of the fixing base 1, and an upper cover 7 of the fixing base 1, wherein the power source 9 and the motor 3 are electrically connected to the main board 8.

As shown in fig. 2 and fig. 3, the fixing base 1 includes a base 11 and a cover 12 fastened on the base 11, the base 11 and the cover 12 form a cavity 13, and the main board 8 and the power supply 9 are accommodated in the cavity 13. The cover 12 includes a recess 121 formed by recessing downward from the upper surface thereof, and a through hole 122 and a through hole 123 penetrating the cover 12 from top to bottom, wherein the through hole 122 and the through hole 123 penetrate the bottom wall of the recess 121 from top to bottom, the through hole 123 is located outside the through hole 122, the diameter of the through hole 122 is larger than that of the through hole 123, and the recess 121 is communicated with the cavity 13. The cover 12 further includes a plurality of holding portions 125 and a plurality of protruding portions 124 disposed around the through hole 122, a plurality of triangles formed by connecting lines between the protruding portions 124, the holding portions 125 and the protruding portions 124 both extend upward from the bottom wall of the groove 121, the holding portions 125 and the protruding portions 124 are not higher than the top surface of the cover 12, the holding portions 125 are lower than the protruding portions 124, the holding portions 125 and the protruding portions 124 are alternately disposed around the axial direction of the through hole 122, the protruding portions 124 are closer to the center of the through hole 122 than the holding portions 125, and the through hole 123 is located outside the protruding portions 124. In an embodiment, a connecting line between the plurality of the fastening parts 125 forms a triangle, each fastening part 125 includes an arm 1251 connected to the cover 12, and a blocking part 1252 extending from the arm 1251 in a direction away from the light source 4, the cover 12 is provided with a recess 127 corresponding to the arm 1251, the recess 127 passes through the cover 12 from top to bottom, a gap is formed between the blocking part 1252 and the first step 22, the blocking part 1252 is located above the first step 22 to inhibit the rotation base 2 from being detached from the groove 122, the cover 12 horizontally faces the fastening part 126 formed by recessing the through hole 122 from the outer surface of the cover 12, the cover 12 is substantially cylindrical, and the plurality of fastening parts 126 are distributed along the axial direction of the cover 12.

As shown in fig. 3 and fig. 4, the cover 12 further includes a limiting portion 128 extending upward from the bottom of the groove, the limiting portion 128 is disposed to surround the retaining portion 125 and the protruding portion 124 in the horizontal direction, the through hole 123 is located outside the limiting portion 128, the limiting portion 128 is disposed lower than the retaining portion 125, the limiting portion 128 includes a base portion 1281 and a convex hull 1282 extending from the base portion 1281, a side of the convex hull 1282 close to the light source 4 is in an arc structure, and a side of the convex hull 1282 away from the light source 4 is in a concave structure matching with the convex hull 1282, in this embodiment, the limiting portion 128 is in an annular structure, and a plurality of the convex hulls 1282 are spaced apart along the circumferential direction of the limiting portion 1282, but other structures are possible in other embodiments.

1. As shown in fig. 3, 4 and 6, the rotary base 2 is accommodated in the groove 121, the top surface of the rotary base 2 is not higher than the top surface of the fixed base 1, the rotary base 2 includes an opening 21 penetrating through the upper and lower surfaces thereof, and a first step 22, a second step 23 and a gear ring 26 surrounding the opening 21, and a gap is formed between the gear ring 26 and the bottom wall of the groove 122 in the vertical direction. The second step 23 is defined as a step portion, the opening 21 communicates with the through hole 122, the two are aligned up and down, the diameter of the opening 21 is larger than that of the through hole 122, and the first step 22 is lower than the second step 23. The retaining portion 125 and the protruding portion 124 both protrude upwards into the opening 21, the retaining portion 125 is fastened to the first step 22 to prevent the rotating base 2 from moving upwards, and the protruding portion 124 is disposed upwards beyond the second step 23 but lower than the top surface of the rotating base 2. The rotating base 2 further includes a plurality of slots 24 disposed around the opening 21, the slots 24 vertically penetrate the rotating base 2, each slot 24 includes a first slot 241 and a second slot 242 communicating with the first slot 241, a width of the first slot 241 in a horizontal direction is greater than a width of the second slot 242 in the horizontal direction, the fastening portion 243 is formed on a slot wall of the second slot 242, and a guide surface 244 is formed at an interconnection between a slot wall of the second slot 242 and a slot wall of the first slot 241. The swivel base 2 further includes a rotating shaft portion 25 provided around the opening 21, the rotating shaft portion 25 being located inside the ring gear 26, the first step 22 being formed extending from the rotating shaft portion 25 toward the retaining portion 125, the stopper portion 1252 including a guide portion guiding the mounting of the swivel base 2 to the recess 122, the restricting portion 128 being located between the ring gear 26 and the rotating shaft portion 25 in the horizontal direction, the projection 1282 being provided closer to the rotating shaft portion 25 than the restricting portion 128, the rotating shaft portion 25 including a shaft portion 251 and a plurality of projections 252 formed extending downward from the shaft portion, i.e., the projections 252 abut downward against the bottom wall of the recess 122, and a portion of the shaft portion 251 where the projections 252 are not provided and the bottom wall of the recess 122 form a gap in the up-down direction, the projections 252 being provided lower than the bottom of the ring gear 26 in the up-down direction, the shaft portion 251 has an annular structure, the plurality of protrusions 252 are spaced apart from each other along the circumferential direction of the shaft portion 251, the protrusions 252 have an arc structure, the bottom of the shaft portion 128 in the vertical direction is lower than the bottom of the ring gear 26 in the vertical direction, and a gap is formed between the ring gear 26 and the bottom wall of the groove 122.

As shown in fig. 2 and 3, the motor 3 includes a gear 31 protruding into the through hole 123, and the gear 31 cooperates with the ring gear 26 to drive the rotary base 2 to rotate.

As shown in fig. 3, 4 and 6, the light source 4 is electrically connected to the main board 8, the light source 4 includes a lamp panel 41 and a plurality of lamp beads 42 fixed to the lamp panel 41, the lamp panel 41 is fixed to the protruding portion 124 and is accommodated in the opening 21, and the lamp panel 41 is located above the second step 23 and is not higher than the upper surface of the rotary base 2. The lamp panel 41 and the second step 23 form a gap in the up-down direction. In this embodiment, the lamp panel 41 is fixed to the protruding portion 124 by a screw, and the protruding portion 124 is a circular column, and an internal thread (not shown) matched with the screw is formed inside the circular column. The light emitted from the lamp bead 42 irradiates the first slide 61 and the second slide 62, and the patterns on the first slide 61 and the second slide 62 can be seen through the first portion 5.

As shown in fig. 2, 9 and 10, the cover 5 includes a first portion 5 and a second portion 52 covering the first portion, in this embodiment, the first portion 51 and the second portion 52 are a transparent rubber ring structure, and the first portion 51 is abutted to the rotating base 2 downward. The first portion 51 includes a main body portion 511 extending in the vertical direction, an opening 513 penetrating through the main body portion 511, and a supporting portion 512 extending in the horizontal direction from the main body portion 511, where the main body portion 511 includes a matching portion 5111 engaged with the second portion 52, in this embodiment, the main body portion 511 is a hollow cylinder, the opening 513 is a circular hole, and the supporting portion 512 extends from the matching portion 5111 toward the center of the opening 513 to form a circular ring around the opening 513, that is, the diameter of the opening 513 at the circular hole corresponding to the portion where the supporting portion 512 is disposed may be smaller than the diameter at other positions. The first portion 51 further includes at least one hook 514 connected to the main body 511, the hook 53 extends in a direction away from the first portion 51, and the hook 53 first protrudes into the slot 24 and then rotates along the central axis of the opening 21 to be fastened to the slot wall of the slot 24. The hook 514 protrudes into the first groove 241 before being fastened to the fastening portion 243, the fastening hook 514 moves from the first groove 241 to the second groove 242, and the guiding surface 244 guides the fastening hook 514 to move from the first groove 241 to the second groove 242. In this embodiment, there are a plurality of hooks 514, but in other embodiments, there may be at least two hooks 514 (see fig. 8). The second portion 52 includes a limiting portion 521, a press-connection portion 522 extending from the limiting portion 521 in a horizontal direction (i.e., the press-connection portion 522 is perpendicular to the limiting portion 521), and a through groove 523 vertically penetrating through the press-connection portion 522, wherein the limiting portion 521 is fastened to the matching portion 5111 and located outside the matching portion 5111, the press-connection portion 522 is located above the supporting portion 512, and the press-connection portion 522 and the supporting portion 512 are parallel to each other and vertically aligned. The opening 513 and the through groove 523 are communicated with each other and have the same diameter.

As shown in fig. 7, 9 and 10, the slide 6 includes a first film 61 disposed in the first portion 51 and a second film 62 disposed in the second portion 52, i.e., the slide 6 is detachably disposed from the housing 5. The light source 4 is located in a space enclosed by the first movie 61 and the second movie 62. The first film 61 includes an unfolded state and a closed state, the unfolded state of the first film 61 is a film with a flat structure, so as to print patterns on a transparent film, the closed state of the first film 61 forms a cylindrical shape and is accommodated on the inner surface of the first portion 51, in other words, the shape of the closed state of the first film 61 matches with the shape of the second portion 52 to completely shield the inner surface of the first portion 51, and the connecting ends of the first film 61 are partially overlapped to prevent the first portion 51 from having a part uncovered by the first film 61. The supporting portion 512 is located above the first film 61, the bottom of the first film 61 is flush with the bottom of the first portion 51, the supporting portion 512 and the rotating base 2 together limit the movement of the first film 61 in the up-down direction, in this embodiment, the first film 61 abuts against the supporting portion 512 upwards. The second film 62 is located below the press-connection part 522, the second film 62 includes an intermediate portion 621 and an edge portion 622 formed by extending from the intermediate portion 621 along a horizontal direction, a diameter of the intermediate portion 621 is equal to a diameter of the through groove 523, the intermediate portion 621 is exposed upward to the through groove 523 and exposed downward to the opening 513, so that light emitted by the lamp bead 42 directly penetrates through the intermediate portion 621 and the upper cover 7 to irradiate on a projection surface, a projected pattern is clearer, the support part 512 supports the edge portion 622 upward, and the press-connection part 522 presses the edge portion 622 downward, that is, the edge portion 622 is located between the support part 512 and the press-connection part 522, so as to prevent the second film 62 from moving up and down. In this embodiment, the second movie 62 is a circular film.

As shown in fig. 1 and 2, the upper cover 7 is disposed outside the cover body 5, the upper cover 7 extends from an inner surface 71 of the upper cover 7 to form a locking portion 72, and the locking portion 72 and the fastening portion 126 are fixed to each other, so as to prevent the upper cover 7 from being detached from the fixing base 1.

As shown in fig. 1 and 2, the power supply 9 is electrically connected to the light source 4, and a wire passes through the through hole 121 and is connected to the lamp panel. (not shown)

As shown in fig. 1 and 2, during assembly, the power supply 9 and the main board 8 are first mounted on the base 11, the motor 3 is then fixed to the cover 12 or the base 11, and the cover 12 is fixed to the base 11; then, the rotating base 2 is installed on the cover 12, the light source 4 is fixed on the cover 12, the cover 5 is rotated relative to the fixing base 1 to fasten the locking portion 72 to the fastening portion 125 of the fixing base 1, and finally, the upper cover 7 is rotated to fasten to the fixing base 1.

To sum up, the utility model discloses a projection lamp has following beneficial effect:

(1) through the roating seat 2, accept in recess 122, the rotating part 2 includes the 21 that runs through its upper and lower surface and around the pivot portion 25 that opening 21 set up, pivot portion 25 includes the axial region and from a plurality of protruding portions 252 of axial region 251 downwardly extending formation, a plurality of protruding portion 252 downward butt the diapire of recess 122, axial region 251 with form the clearance between the diapire of recess 122, reduced the area of contact between pivot portion 25 and the fixing base 1, thereby reduced the roating seat 2 with the frictional force between the fixing base 1, reduce the wearing and tearing between the two, reduced the roating seat 2 to the resistance of motor 3, improve the life-span of motor 3.

(2) The restricting part 128 includes a base 1281 and a plurality of convex hulls 1282 extending from the base 1281, and the convex hulls 1282 are disposed closer to the rotating shaft 25 than the base 1283, and limit the rotating base 2 at multiple points in the horizontal direction, thereby reducing the friction between the rotating shaft 25 and the restricting part 128.

(3) A gap is formed between the gear ring 25 and the bottom wall of the groove 122, so that the motor 3 can drive the rotary seat 2 to rotate.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims (10)

1. A projection lamp, comprising:

a fixing seat comprising a groove;

the rotary seat is accommodated in the groove and comprises an opening penetrating through the upper surface and the lower surface of the rotary seat and a rotary shaft part arranged around the opening, the rotary shaft part comprises a shaft part and a plurality of convex parts extending downwards from the shaft part, the plurality of convex parts are downwards abutted against the bottom wall of the groove, and a gap is formed between the shaft part and the bottom wall of the groove;

the motor drives the rotating seat to rotate;

the light source component is fixed on the fixed seat and is upwards exposed from the opening;

the light source component comprises a cover body and a projection film arranged on the cover body, wherein the cover body is fixed on the rotary seat and covers the upper part of the light source component.

2. The projection lamp of claim 1 wherein: the plurality of convex parts are arranged around the opening, and two adjacent convex parts are arranged at intervals.

3. A projection lamp as claimed in claim 2, characterized in that: the convex part is of a circular arc structure.

4. The projection lamp of claim 1 wherein: the rotating seat further comprises a gear ring arranged around the rotating shaft part, and a gap is formed between the gear ring and the bottom wall of the groove.

5. The projection lamp of claim 1 wherein: the fixing seat comprises a limiting part formed by upwards extending the bottom wall of the groove, the limiting part upwards protrudes into the opening and surrounds the rotating shaft part, and the limiting part limits the movement of the rotating shaft part in the horizontal direction.

6. The projection lamp of claim 5 wherein: the restricting portion includes a base portion and a plurality of convex hulls formed to extend from the base portion, the convex hulls being disposed closer to the shaft portion than the base portion.

7. The projection lamp of claim 6 wherein: the convex hull and the rotating shaft part form a gap in the horizontal direction.

8. The projection lamp of claim 7 wherein: two adjacent convex hulls are arranged along the circumferential direction of the opening in a spaced mode, and the convex hulls are of circular arc structures.

9. The projection lamp of claim 5 wherein: the fixing seat comprises a cover body and a through hole penetrating through the cover body, the limiting part is arranged around the through hole, the through hole is connected with the groove, a power supply is fixed on the fixing seat, and a lead penetrates through the through hole and is connected with the light source assembly.

10. The projection lamp of claim 1 wherein: the fixing seat comprises a protruding portion which extends upwards from the bottom of the groove to form and protrude into the opening, and the light source assembly is contained in the opening and fixed on the protruding portion.

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