CN204666933U - Voice coil motor and adopt the camera module of this voice coil motor - Google Patents
Voice coil motor and adopt the camera module of this voice coil motor Download PDFInfo
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- CN204666933U CN204666933U CN201520377292.0U CN201520377292U CN204666933U CN 204666933 U CN204666933 U CN 204666933U CN 201520377292 U CN201520377292 U CN 201520377292U CN 204666933 U CN204666933 U CN 204666933U
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Abstract
The utility model relates to a kind of voice coil motor and adopts the camera module of this voice coil motor.This voice coil motor, comprising: body, has the first relative end face and the second end face, and has the mounting hole for accommodating camera lens, and mounting hole runs through the first end face and the second end face, and the first end face is for connecting the support of camera module; Brace table, is located on the second end face, and brace table to cave in the bearing groove formed for carrying cover glass away from the surface of the second end face, and bearing groove is communicated with mounting hole.Adopt the camera module of this voice coil motor effectively can ensure the qualification rate of the camera module be assembled on electronic product.
Description
Technical field
The utility model relates to camera technique field, particularly relates to a kind of voice coil motor and adopts the camera module of this voice coil motor.
Background technology
As shown in Figure 1, the minisize pick-up head module with focus function generally includes support 1, cutoff filter 2, circuit board 3, image sensing chip 4, camera lens 5 and the voice coil motor 6 for realizing focus function.Support 1 has the light hole running through its upper and lower two surfaces, and cutoff filter 2 is located in light hole, and one end of support 1 is located at by circuit board 3, and the host cavity that circuit board 3, cutoff filter 2 and support 1 coordinate formation one airtight.Image sensing chip 4 is located on circuit board 3, and is contained in host cavity.Voice coil motor 6 is located on support 1 one end away from circuit board 3, and camera lens 5 is installed in voice coil motor 6, and voice coil motor 6 drives camera lens 5 to stretch, to realize focusing.
Camera module needs through performance test before dispatching from the factory, and the camera module that photographic property is qualified just can dispatch from the factory.By after camera module group assembling is on the electronic product such as mobile phone, flat board, before electronic product dispatches from the factory, still performance test to be carried out to the electronic product comprising the parts such as camera module.But often occur that, for the different phenomenon of priority twice the performance test results of camera module, the photographic property of the camera module namely in electronic product detects defective.
Utility model content
Based on this, be necessary that providing a kind of effectively can ensure the voice coil motor of the qualification rate of the camera module be assembled on electronic product and adopt the camera module of this voice coil motor.
A kind of voice coil motor, comprising:
Body, has the first relative end face and the second end face, and has the mounting hole for accommodating camera lens, and described mounting hole runs through described first end face and described second end face, and described first end face is for connecting the support of camera module; And
Brace table, is located on described second end face, and described brace table to cave in the bearing groove formed for carrying cover glass away from the surface of described second end face, and described bearing groove is communicated with described mounting hole.
(product end) can through performance test before dispatching from the factory for traditional camera module, and performance test is qualified just can dispatch from the factory.By traditional camera module group assembling rear (user side) on the electronic product such as mobile phone, flat board, dustproof foam and cover glass can be pasted successively in the front end (the second end face) of traditional camera module, and carry out performance test again.May occur that same camera module is specification product in the performance test results of product end, and be the situation of substandard product in the performance test results of user side.Also the qualification rate of the camera module be assembled on electronic product cannot namely effectively be ensured.Find after deliberation, cause one of principal element of the difference of this test result to be that, after camera module group assembling is on electronic product, the environment residing for camera lens there occurs change.
Above-mentioned voice coil motor, by adding brace table on the second end face of body, is installed cover glass with the bearing groove of brace table, then put glue between the sidewall and the cell wall of brace table of cover glass, cover glass can be made to be fixed on brace table.Thus make above-mentioned camera module can be assembled with cover glass before dispatching from the factory, and then can the camera module including cover glass be tested.Thus the inaccurate problem of the test result caused because of environmental difference can well be solved, and then effectively can ensure the qualification rate of the camera module be assembled on electronic product.And cover glass can play dust-proof effect and filter the effect of some useless veiling glares.
Wherein in an embodiment, the bottom land of described bearing groove offers through hole, and described through hole is communicated with described mounting hole;
Or described brace table and described body by integral forming, described bearing groove runs through the two relative surfaces of described brace table, and part second end face is positioned at described bearing groove, for carrying cover glass.
Wherein in an embodiment, described body comprises shell, magnetite, the first shell fragment, camera lens carrier, base and the second shell fragment;
Described shell comprises the first cylindrical shell and is located at the top board of described first cylindrical shell one end, described top board has relative first surface and second surface, described first surface, near described first cylindrical shell, described top board offers the first light hole running through described first surface and described second surface;
The number of described magnetite is multiple, and multiple described magnetite is spaced apart on described first cylindrical shell;
Described first shell fragment comprises the first housing, the first inside casing and connects the first elastic part of described first housing and described first inside casing, and an end face of described first housing is connected with described first surface;
Described camera lens carrier comprises the second cylindrical shell and coil, described coil is around on the outer wall of described second cylindrical shell, described camera lens carrier is placed in described first cylindrical shell, described second cylindrical shell is first end near one end of described top board, the other end is the second end, and the end face of described first end abuts with the end face of described first inside casing away from described first surface;
Described base is provided with the second light hole running through its relative both ends of the surface, be placed in described first cylindrical shell, and at described second end and described first cylindrical shell between the one end away from described top board, and the lateral wall of described base is connected with the inwall of described first cylindrical shell;
Described second shell fragment comprises the second housing, the second inside casing and connects the second elastic part of described second housing and described second inside casing, one end face of described second housing is connected with the end face of described base near described second end, and described second inside casing abuts with the end face of described second end;
Wherein, described second surface is described second end face, and described first light hole, described second cylindrical shell and described second light hole form described mounting hole jointly.
Wherein in an embodiment, the inwall of described second cylindrical shell is provided with internal thread, is connected for being provided with externally threaded camera lens with outer wall;
Described first shell fragment also comprises is located at the gear glue ring of described first inside casing on the end face of described first surface.
Wherein in an embodiment, the inwall of described first inside casing stretches out and forms described gear glue ring.
Wherein in an embodiment, the inwall of described second cylindrical shell caves in from the end of described first end formation glue overflow prevention grooves, the inwall that described first inside casing is corresponding with described glue overflow prevention grooves caves in formation first groove, and the inwall that described gear glue ring is corresponding with described first groove caves in formation second groove.
Wherein in an embodiment, described body also comprises packing ring, and described packing ring is located on described first surface, and described first housing is located on the end face of described packing ring away from described first surface.
Wherein in an embodiment, also comprise at least one in following feature:
Described packing ring is provided with the first reference column away from the end face of described first surface, described first housing is provided with the first pilot hole running through its relative both ends of the surface, described first reference column is arranged in described first pilot hole, and is provided with the first annular glue-line between described first reference column and described first pilot hole;
The end face of described first end is provided with the second reference column, the outer wall of described first inside casing is provided with the first locating ring, described first locating ring and described first elastic part are independent mutually, described second reference column is arranged in described first locating ring, and is provided with the second annular glue-line between described second reference column and described first locating ring;
Described base is provided with the 3rd reference column near the end face of described second end, described second housing is provided with the second pilot hole running through its relative both ends of the surface, described 3rd reference column is arranged in described second pilot hole, and is provided with the 3rd annular glue-line between described 3rd reference column and described second pilot hole; And
The end face of described second end is provided with the 4th reference column, the outer wall of described second inside casing is provided with the second locating ring, described second locating ring and described second elastic part are independent mutually, described 4th reference column is arranged in described second locating ring, and is provided with the 4th annular glue-line between described 4th reference column and described second locating ring.
Wherein in an embodiment, described voice coil motor also comprises cover glass, and described cover glass is placed in described bearing groove, and is provided with five rings shape glue-line between the cell wall of the sidewall of described cover glass and described bearing groove.
A kind of camera module, comprising:
Above-mentioned voice coil motor;
Camera lens, one end is placed in described mounting hole, and is provided with glue line between described camera lens and described mounting hole; And
Cover glass, is placed in described bearing groove, and is provided with five rings shape glue-line between the cell wall of the sidewall of described cover glass and described bearing groove.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional camera module;
Fig. 2 is the exploded view of the camera module in an embodiment;
Fig. 3 is the structural representation of the camera module in another embodiment;
Fig. 4 is the sectional view of the camera module in Fig. 2;
Fig. 5 is the structural representation at a visual angle of the first shell fragment;
Fig. 6 is the sectional view obtained along the A-A line in Fig. 5;
Fig. 7 is the structural representation at another visual angle of the first shell fragment;
Fig. 8 is the vertical view after the assembling of the first shell fragment, camera lens and the second cylindrical shell;
Fig. 9 is the sectional view obtained along the B-B line in Fig. 8;
Figure 10 is the structural representation at another visual angle after the assembling of the first shell fragment, camera lens and the second cylindrical shell;
Figure 11 is the exploded view of the first shell fragment, camera lens and the second cylindrical shell;
Figure 12 is the structural representation that camera module omits brace table;
Figure 13 is the partial enlarged drawing at C place in Figure 12.
Embodiment
Below in conjunction with drawings and the specific embodiments to voice coil motor and adopt the camera module of this voice coil motor to be further described.
As shown in Figure 2, the camera module 10 of an embodiment, comprises voice coil motor 12, camera lens 14 and cover glass 16.Wherein, the cone 14a be represented by dotted lines is the image pickup scope of camera module 10.
Voice coil motor 12 comprises body 11 and brace table 13.
Body 11 has the first relative end face 11a and the second end face 11b, and has the mounting hole 11c for accommodating camera lens 14.Mounting hole 11c runs through the first end face 11a and the second end face 11b.First end face 11a is for connecting the support of camera module 10.
Brace table 13 is located on the second end face 11b, and brace table 13 to cave in the bearing groove 13a formed for carrying cover glass 16 away from the surface of the second end face 11b.Bearing groove 13a is communicated with mounting hole 11c, thus light can pass cover glass 16, bearing groove 13a and mounting hole 11c successively.
(product end) can through performance test before dispatching from the factory for traditional camera module, and performance test is qualified just can dispatch from the factory.By traditional camera module group assembling rear (user side) on the electronic product such as mobile phone, flat board, dustproof foam and cover glass can be pasted successively in the front end (the second end face 11b) of traditional camera module, and carry out performance test again.May occur that same camera module is specification product in the performance test results of product end, and be the situation of substandard product in the performance test results of user side.Also the qualification rate of the camera module be assembled on electronic product cannot namely effectively be ensured.Find after deliberation, cause one of principal element of the difference of this test result to be that, after camera module group assembling is on electronic product, the environment residing for camera lens there occurs change.
In the present embodiment, by adding brace table 13 on the second end face 11b of body 11, with the bearing groove 13a of brace table 13, cover glass 16 is installed, then puts glue between the sidewall and the cell wall of brace table 13 of cover glass 16, cover glass 16 can be made to be fixed on brace table 13.Thus make above-mentioned camera module 10 can be assembled with cover glass 16 before dispatching from the factory, and then can the camera module including cover glass 16 be tested.Thus the inaccurate problem of the test result caused because of environmental difference can well be solved, and then effectively can ensure the qualification rate of the camera module be assembled on electronic product.And cover glass 16 can play dust-proof effect and filter the effect of some useless veiling glares.
Further, in the present embodiment, brace table 13 is one-body molded with body 11, and bearing groove 13a runs through the two relative surfaces of brace table 13, and part second end face 11b is positioned at bearing groove 13a, for carrying cover glass 16.Also namely the second end face 11b extends to form brace table 13 towards away from the first end face 11a direction, brace table 13 offers the assembly hole running through its two surface, assembly hole is bearing groove 13a, and the internal diameter of assembly hole is greater than the internal diameter of mounting hole 11c near one end of brace table 13.Also namely the degree of depth of bearing groove 13a is identical with the thickness of brace table 13.
In traditional camera module, in voice coil motor, do not have brace table 13 to only have body 11, after traditional camera module group assembling is on electronic product, need directly to arrange cover glass at the second end face 11b of body 11.And the second end face 11b is face structure, can only contacts cover glass could be fixed on body 11 with face by face.Usual selection pastes dustproof foam at the second end face 11b, then pastes cover glass on dustproof foam, and dustproof foam has the function of one side glue, in order to fit with cover glass.And in the present embodiment, owing to there being brace table 13 in voice coil motor, cover glass 16 is located at after in bearing groove 13a, glue can be put between the sidewall of cover glass 16 and the cell wall of bearing groove 13a.And brace table 13 is one-body molded with body 11, and the degree of depth of bearing groove 13a is identical with the thickness of brace table 13, when the degree of depth of bearing groove 13a is identical with the thickness of cover glass 16, the thickness of the camera module 10 in present embodiment at least reduces relative to the thickness of traditional camera module the thickness that dustproof foam has.Also namely in the present embodiment, although set up brace table 13, the thickness of whole camera module 10 is reduced.When the structure of design electronic products, the height of the opening installing camera module can be reduced, thus be beneficial to and obtain the less electronic product of thickness, the demand that electronic product is day by day ultra-thin can be met.
Be appreciated that in other embodiments, when brace table 13 and body 11 be respectively two independently parts time, brace table 13 and body 11 can by the mode of putting glue be connected.
As shown in Figure 3, in other embodiments, the bottom land of bearing groove 13a offers through hole 13b, through hole 13b is communicated with mounting hole 11c.Also namely the degree of depth of bearing groove 13a is less than the thickness of brace table 13.
As shown in Figure 4, in the present embodiment, body 11 comprises shell 100, magnetite (not shown), the first shell fragment 200, packing ring 300, camera lens carrier 400, base 500 and the second shell fragment 600.
Shell 100 comprises the first cylindrical shell 110 and is located at the top board 120 of first cylindrical shell 110 one end.Top board 120 has relative first surface 122 and second surface 124, and first surface 122 is near the first cylindrical shell 110.Top board 120 offers the first light hole 126 running through first surface 122 and second surface 124.
In the present embodiment, the first cylindrical shell 110 is square, and comprises four blocks of side plates connected successively 112.Top board 120 is square, and one-body molded with the first cylindrical shell 110.Be appreciated that in other embodiments, the first cylindrical shell 110 also can be hexagon, cylindrical etc.
The number of magnetite is multiple, also namely at least two.Multiple magnetite is spaced apart on the first cylindrical shell 110.In the present embodiment, the number of magnetite is four, and four magnetites are contained in four corners of four pieces of side plates 112 formation.Thus under guarantee shell 100 has the prerequisite of certain rigidity, make the space availability ratio of shell 100 larger.Be appreciated that in other embodiments, also can offer installing port on side plate 112, magnetite is installed in installing port.And on side plate 112, offer installing port, the rigidity of shell can be reduced, outside magnetite is exposed to, be easily subject to electromagnetic interference (EMI), affect the performance of voice coil motor 12.
As illustrated in figs. 5-7, the first shell fragment 200 comprise the first housing 210, first inside casing 220, the first elastic part 230 of connecting the first housing 210 and the first inside casing 220 and the gear glue ring 240 be located on the first inside casing 220 1 end face.First housing 210 is connected with first surface 122 near the end face of gear glue ring 240.Wherein, the outer wall of the first inside casing 220 is positioned at the first light hole 126 towards the orthogonal projection on top board 120 direction.In the present embodiment, the number of the first elastic part 230 is four.
As shown in Figure 4, in the present embodiment, the first housing 210 is connected with first surface 122 indirectly by packing ring 300.Wherein, packing ring 300 is located on first surface 122, and the first housing 210 is located on the end face of packing ring 300 away from first surface 122.Voice coil motor 12 when focusing, also namely along optical axis towards or top board 120 moves dorsad time, need existence one section of camera lens 14 displacement between top board 120 and the first shell fragment 200, packing ring 300 be set and can provide camera lens 14 displacement for voice coil motor 12.
Be appreciated that in other embodiments, packing ring 300 can be omitted, and provide camera lens 14 displacement by the structure changing top board 120.Concrete, the first surface 122 of top board 120 to cave in towards the direction at second surface 124 place formation step near the part of the first light hole 126, and now the first housing 210 is fixed in the part of first surface 122 away from the first light hole 126.
In the present embodiment, packing ring 300 is fixedly connected with the mode of first surface 122 by some glue, also namely there is glue-line between packing ring 300 and first surface 122.
Further, in the present embodiment, packing ring 300 is provided with the first reference column (not shown) away from the end face of first surface 122.First housing 210 is provided with the first pilot hole 212 running through its relative both ends of the surface.First reference column is arranged in the first pilot hole 212, and is provided with the first annular glue-line (not shown) between the first reference column and the first pilot hole 212.Be appreciated that in its embodiment, the first reference column and the first pilot hole 212 can omit.Concrete, in the present embodiment, first surface 122 is square, and the number of the first reference column is four, lays respectively at four corners of first surface 122.
As shown in Figure 4, camera lens carrier 400 comprises the second cylindrical shell 410 and coil 420.Coil 420 is around on the outer wall of the second cylindrical shell 410.Camera lens carrier 400 is placed in the first cylindrical shell 110, and the second cylindrical shell 410 is first end 410a near one end of top board 120, and the other end is the second end 410b.The end face of first end 410a abuts away from the end face keeping off glue ring 240 with the first inside casing 220.
As illustrated in figs. 8-11, in the present embodiment, the end face of first end 410a is provided with the second reference column 412.The outer wall of the first inside casing 220 is provided with the first locating ring 222, first locating ring 222 and the first elastic part 230 phase independence.Second reference column 412 is arranged in the first locating ring 222, and is provided with the second annular glue-line (not shown) between the second reference column 412 and the first locating ring 222.Arranging the second annular glue-line makes the first inside casing 220 be fixedly connected with the second cylindrical shell 410, is appreciated that the second annular glue-line can omit.
As shown in Figure 4, base 500 is provided with the second light hole 510 running through its relative both ends of the surface.Base 500 is placed in the first cylindrical shell 110, and between the second end 410b and first cylindrical shell 110 one end away from top board 120.The lateral wall of base 500 is connected with the inwall of the first cylindrical shell 110.In the present embodiment, base 500 is fixedly connected with the mode of the first cylindrical shell 110 by some glue.
Second shell fragment 600 only lacks and keeps off glue ring 240 compared with the first shell fragment 200.Second shell fragment 600 comprises the second housing (not shown), the second inside casing (not shown) and connects the second elastic part (not shown) of the second housing and the second inside casing.One end face of the second housing is connected with the end face of base 500 near the second end 410b, and the second inside casing abuts with the end face of the second end 410b.Second shell fragment 600 coordinates with the first shell fragment 200 thus being suspended from the first cylindrical shell 110 of making camera lens carrier 400 stable.
In the present embodiment, base 500 is provided with the 3rd reference column (not shown) near the end face of the second end 410b, and the second housing is provided with the second pilot hole (not shown) running through its relative both ends of the surface.3rd reference column is arranged in the second pilot hole, and is provided with the 3rd annular glue-line between the 3rd reference column and the second pilot hole.
The end face of the second end 410b is provided with the 4th reference column (not shown).The outer wall of the second inside casing is provided with the second locating ring (not shown), and the second locating ring and the second elastic part are independent mutually.4th reference column is arranged in the second locating ring, and is provided with the 4th annular glue-line between the 4th reference column and the second locating ring.
Second housing is provided with two electrical connection sections 610, and one end of this two electrical connection section 610 is electrically connected with the two ends of coil 420 respectively, and the other end is used for being electrically connected with the circuit board (not shown) of camera module 10.
Wherein, it should be noted that, second surface 124 is the second end face 11b.First light hole 126, second cylindrical shell 410 and the second light hole 510 form mounting hole 11c jointly.Brace table 13 is one-body molded with body 11, and also namely brace table 13 is one-body molded with shell 100.
As shown in Figures 2 and 4, camera lens 14 one end is placed in mounting hole 11c, and is provided with glue line (not shown) between camera lens 14 and mounting hole 11c.
As shown in FIG. 12 and 13, in the present embodiment, the inwall of the second cylindrical shell 410 is provided with internal thread, and the outer wall of camera lens 14 is provided with external thread.Camera lens 14 one end is placed in the second cylindrical shell 410, and is connected with the second cylindrical shell 410 internal thread.And the contact position 700 of the close top board 120 of camera lens 14 and the second cylindrical shell 410 is provided with glue line.
When coil 420 is energized, coil 420 magnetic field and magnetite effect, because the two ends of camera lens carrier 400 abut with the first inside casing 220 and the second inside casing respectively, and the first inside casing 220 and the second inside casing are connected with the first housing 210 and the second housing respectively by the first elastic part 230 and the second elastic part, and the first housing 210 and the second housing are individually fixed on top board 120 and base 500, thus can drive camera lens carrier 400 along optical axis towards or dorsad top board 120 move.And camera lens 14 is fixed on camera lens carrier 400, also namely with camera lens 14 along optical axis towards or dorsad top board 120 move, and then realize focus function.When after stopping energising, there is elastically-deformable first elastic part 230 and the second elastic part, in the elastically-deformable process of recovery, make camera lens carrier 400 get back to initial position.
When assembling camera lens 14 in voice coil motor 12, one end of camera lens 14 successively through the first light hole 126 and the first inside casing 220, and is placed in the second cylindrical shell 410, is spirally connected with the second cylindrical shell 410.Then from the side at top board 120 place of shell 100 at 700, the contact position glue of the close top board 120 of camera lens 14 and the second cylindrical shell 410, after adhesive curing, form glue line.
And the first traditional shell fragment 200 is usually in tabular, when glue is too much, easily occur that glue covers the end face of the first inside casing 220 near first surface 122, and situation about flowing between the first elastic part 230 and the second cylindrical shell 410, the first elastic part 230 and the close part of the second cylindrical shell 410 is caused to bond with the second cylindrical shell 410, and then can not for camera lens carrier 400 along optical axis towards or dorsad top board 120 move enough elastic force be provided, the ultimate range of camera lens carrier 400 movement is shortened, and then affects the performance of voice coil motor 12.
By arranging gear glue ring 240 on an end face of the first inside casing 220, make the first shell fragment 200 in non-planar base, when the first housing 210 is after the end face of gear glue ring 240 is connected with first surface 122, can effectively prevent glue from flowing between the first elastic part 230 and the second cylindrical shell 410.And then make voice coil motor 12 have good performance.
Further, in present embodiment, the height of gear glue ring 240 is 0.1 ~ 0.15mm.
Further, in present embodiment, gear glue ring 240 is stretched out by the inwall of one end of the first inside casing 220 and is formed.Thus can effectively avoid glue to cover the end face of the first inside casing 220 near first surface 122.Further, in the present embodiment, the first inside casing 220 is one-body molded with gear glue ring 240.Be appreciated that in other embodiments, gear glue ring 240 also can be set at the middle part of an end face of the first inside casing 220, now, when glue is more, may occur that glue covers the portion end surface of the first inside casing 220.
Further, in present embodiment, the inwall of the second cylindrical shell 410 caves in from the end of first end 410a and forms glue overflow prevention grooves 414.The inwall that first inside casing 220 is corresponding with glue overflow prevention grooves 414 caves in formation first groove 224.The inwall that gear glue ring 240 is corresponding with the first groove 224 caves in formation second groove 242.The setting of glue overflow prevention grooves 414 can not only provide a glue site for camera lens 14 and the second cylindrical shell 410, can also effectively prevent glue from overflowing.First groove 224 and the second groove 242 also can be used for accommodating unnecessary glue simultaneously.
Concrete, in the present embodiment, the number of glue overflow prevention grooves 414, first groove 224 and the second groove 224 is four.
When camera lens 14 adopts the mode be spirally connected to be connected with body 12, when assembling camera module, first body 11 being located on the support of camera module, then camera lens 14 and the second cylindrical shell 410 are spirally connected, wherein, support cutoff filter, circuit board and image sensing chip have been assembled with.After completing focusing, some glue makes camera lens 14 be fixedly connected with the second cylindrical shell 410.In the process, camera lens 14 needs to insert in the second cylindrical shell 410 from the second cylindrical shell 410 away from one end of base 500, therefore after support body 11 being located at camera module, can only could assemble cover glass 16 at brace table 13.Also the voice coil motor 12 namely sold separately can not comprise cover glass 16.
When the second cylindrical shell 410 with camera lens 14 all not having screw thread, when also namely camera lens 14 adopts the non-mode be spirally connected to be connected with body 12, first can assemble cover glass 16 on brace table 13, the voice coil motor 12 also namely sold separately can comprise cover glass 16.Again camera lens 14 is inserted in the second cylindrical shell 410 from the second cylindrical shell 410 near one end of base 500, carried out the focusing location of camera lens 14 by tool after, by the mode of a glue, camera lens 14 is fixed on the second cylindrical shell 410.Finally again body 11 is located on the support of camera module.Now, the gear glue ring 240 in the first shell fragment 200 can omit.
Cover glass 16 is placed in bearing groove 13a, and is provided with five rings shape glue-line (not shown) between the cell wall of the sidewall of cover glass 16 and bearing groove 13a.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a voice coil motor, is characterized in that, comprising:
Body, has the first relative end face and the second end face, and has the mounting hole for accommodating camera lens, and described mounting hole runs through described first end face and described second end face, and described first end face is for connecting the support of camera module; And
Brace table, is located on described second end face, and described brace table to cave in the bearing groove formed for carrying cover glass away from the surface of described second end face, and described bearing groove is communicated with described mounting hole.
2. voice coil motor according to claim 1, is characterized in that, the bottom land of described bearing groove offers through hole, and described through hole is communicated with described mounting hole;
Or described brace table and described body by integral forming, described bearing groove runs through the two relative surfaces of described brace table, and part second end face is positioned at described bearing groove, for carrying cover glass.
3. voice coil motor according to claim 1, is characterized in that, described body comprises shell, magnetite, the first shell fragment, camera lens carrier, base and the second shell fragment;
Described shell comprises the first cylindrical shell and is located at the top board of described first cylindrical shell one end, described top board has relative first surface and second surface, described first surface, near described first cylindrical shell, described top board offers the first light hole running through described first surface and described second surface;
The number of described magnetite is multiple, and multiple described magnetite is spaced apart on described first cylindrical shell;
Described first shell fragment comprises the first housing, the first inside casing and connects the first elastic part of described first housing and described first inside casing, and an end face of described first housing is connected with described first surface;
Described camera lens carrier comprises the second cylindrical shell and coil, described coil is around on the outer wall of described second cylindrical shell, described camera lens carrier is placed in described first cylindrical shell, described second cylindrical shell is first end near one end of described top board, the other end is the second end, and the end face of described first end abuts with the end face of described first inside casing away from described first surface;
Described base is provided with the second light hole running through its relative both ends of the surface, be placed in described first cylindrical shell, and at described second end and described first cylindrical shell between the one end away from described top board, and the lateral wall of described base is connected with the inwall of described first cylindrical shell;
Described second shell fragment comprises the second housing, the second inside casing and connects the second elastic part of described second housing and described second inside casing, one end face of described second housing is connected with the end face of described base near described second end, and described second inside casing abuts with the end face of described second end;
Wherein, described second surface is described second end face, and described first light hole, described second cylindrical shell and described second light hole form described mounting hole jointly.
4. voice coil motor according to claim 3, is characterized in that, the inwall of described second cylindrical shell is provided with internal thread, is connected for being provided with externally threaded camera lens with outer wall;
Described first shell fragment also comprises is located at the gear glue ring of described first inside casing on the end face of described first surface.
5. voice coil motor according to claim 4, is characterized in that, the inwall of described first inside casing stretches out and forms described gear glue ring.
6. voice coil motor according to claim 4, it is characterized in that, the inwall of described second cylindrical shell caves in from the end of described first end formation glue overflow prevention grooves, the inwall that described first inside casing is corresponding with described glue overflow prevention grooves caves in formation first groove, and the inwall that described gear glue ring is corresponding with described first groove caves in formation second groove.
7. voice coil motor according to claim 6, is characterized in that, described body also comprises packing ring, and described packing ring is located on described first surface, and described first housing is located on the end face of described packing ring away from described first surface.
8. voice coil motor according to claim 7, is characterized in that, also comprises at least one in following feature:
Described packing ring is provided with the first reference column away from the end face of described first surface, described first housing is provided with the first pilot hole running through its relative both ends of the surface, described first reference column is arranged in described first pilot hole, and is provided with the first annular glue-line between described first reference column and described first pilot hole;
The end face of described first end is provided with the second reference column, the outer wall of described first inside casing is provided with the first locating ring, described first locating ring and described first elastic part are independent mutually, described second reference column is arranged in described first locating ring, and is provided with the second annular glue-line between described second reference column and described first locating ring;
Described base is provided with the 3rd reference column near the end face of described second end, described second housing is provided with the second pilot hole running through its relative both ends of the surface, described 3rd reference column is arranged in described second pilot hole, and is provided with the 3rd annular glue-line between described 3rd reference column and described second pilot hole; And
The end face of described second end is provided with the 4th reference column, the outer wall of described second inside casing is provided with the second locating ring, described second locating ring and described second elastic part are independent mutually, described 4th reference column is arranged in described second locating ring, and is provided with the 4th annular glue-line between described 4th reference column and described second locating ring.
9. the voice coil motor according to any one of claim 1-3, it is characterized in that, described voice coil motor also comprises cover glass, and described cover glass is placed in described bearing groove, and is provided with five rings shape glue-line between the cell wall of the sidewall of described cover glass and described bearing groove.
10. a camera module, is characterized in that, comprising:
Voice coil motor according to any one of claim 1-8;
Camera lens, one end is placed in described mounting hole, and is provided with glue line between described camera lens and described mounting hole; And
Cover glass, is placed in described bearing groove, and is provided with five rings shape glue-line between the cell wall of the sidewall of described cover glass and described bearing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377292.0U CN204666933U (en) | 2015-06-03 | 2015-06-03 | Voice coil motor and adopt the camera module of this voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377292.0U CN204666933U (en) | 2015-06-03 | 2015-06-03 | Voice coil motor and adopt the camera module of this voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666933U true CN204666933U (en) | 2015-09-23 |
Family
ID=54137302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377292.0U Expired - Fee Related CN204666933U (en) | 2015-06-03 | 2015-06-03 | Voice coil motor and adopt the camera module of this voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204666933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898251A (en) * | 2015-06-03 | 2015-09-09 | 南昌欧菲光电技术有限公司 | Voice coil motor and camera module using same |
| CN105846649A (en) * | 2016-03-25 | 2016-08-10 | 宜兴市贵鑫磁电高科技有限公司 | Voice coil motor with reduceable mounting height |
| CN110661934A (en) * | 2018-06-29 | 2020-01-07 | 三赢科技（深圳）有限公司 | Lens module |
-
2015
- 2015-06-03 CN CN201520377292.0U patent/CN204666933U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898251A (en) * | 2015-06-03 | 2015-09-09 | 南昌欧菲光电技术有限公司 | Voice coil motor and camera module using same |
| CN104898251B (en) * | 2015-06-03 | 2017-12-12 | 南昌欧菲光电技术有限公司 | Voice coil motor and the camera module using the voice coil motor |
| CN105846649A (en) * | 2016-03-25 | 2016-08-10 | 宜兴市贵鑫磁电高科技有限公司 | Voice coil motor with reduceable mounting height |
| CN105846649B (en) * | 2016-03-25 | 2018-06-08 | 宜兴市贵鑫磁电高科技有限公司 | The voice coil motor of mounting height can be reduced |
| CN110661934A (en) * | 2018-06-29 | 2020-01-07 | 三赢科技（深圳）有限公司 | Lens module |
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| GR01 | Patent grant | ||
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Effective date of registration: 20160510 Address after: 330029 No. 1189, Jingdong Avenue, Nanchang hi tech Development Zone, Jiangxi, Nanchang Patentee after: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Address before: North to the East, 330013 in Jiangxi province Nanchang city Nanchang economic and technological development zones clove road Longtan ditch Patentee before: NANCHANG OFILM OPTICAL-ELECTRONIC TECH Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |