CN209387999U - Lens module - Google Patents

Abstract

The utility model provides a kind of lens module, it includes barrel, the lens set being contained in the barrel, by lock pressure ring that the lens set is pressed in the barrel and the sealing ring for being used to seal the lens set Yu the barrel junction, the lens set includes the first eyeglass close to object side, the lens module further includes the accommodating space for accommodating the sealing ring, the accommodating space is enclosed by first eyeglass with the barrel or is enclosed by first eyeglass and the lock pressure ring and the barrel, and it is described lock pressure ring or the barrel surround the accommodating space surface at least one be inclined-plane.Compared with the relevant technologies, the leakproofness of lens module provided by the utility model is more preferably.

Description

Lens module

[technical field]

The utility model relates to optical imaging field more particularly to a kind of lens modules.

[background technique]

Recently as the continuous development of science and technology, electronic equipment is constantly towards intelligent development, other than digital camera, Portable electronic device such as tablet computer, mobile phone etc. are also provided with lens module and automobile of camera function of taking pictures etc. The lens module for having camera function of taking pictures is also equipped on the vehicles, to meet the needs that user takes pictures at any time.

The lens module of the relevant technologies includes barrel, the lens set being contained in the barrel, by the lens set It is pressed on the lock pressure ring in the barrel and the sealing ring for sealing the lens set Yu the barrel junction.Eyeglass Group includes the first eyeglass close to object side.

However, sealing ring is located between the first eyeglass and barrel in the related technology, so that the setting position of sealing ring To the positioning of sealing ring, there is also certain difficulty when being restricted, and assembling.

Therefore, it is necessary to provide a kind of improved lens module to solve the above problems.

[utility model content]

The technical problem to be solved by the present invention is to provide a kind of lens modules of favorable sealing property.

In order to solve the above technical problems, the utility model provides a kind of lens module comprising barrel is contained in institute It states the lens set in barrel, by lock pressure ring that the lens set is pressed in the barrel and be used to seal the lens set With the sealing ring of the barrel junction, the lens set includes the first eyeglass close to object side, and the lens module is also wrapped The accommodating space for accommodating the sealing ring is included, the accommodating space is enclosed by first eyeglass with the barrel Or it is enclosed by first eyeglass and the lock pressure ring and the barrel, and the lock pressure ring or the barrel surround The surface of the accommodating space at least one be inclined-plane.

Preferably, the lock pressure ring includes the lock pressure ring body part with light hole, from the lock pressure ring body part periphery The lock pressure ring extension extended to the bending of image side direction and the lock pressure extended to form from the lock pressure ring extension to optical axis direction Ring convex platform, the inclined-plane are located at the lock pressure ring boss.

Preferably, the lock pressure ring body part, the lock pressure ring boss, the barrel and first eyeglass enclose jointly Conjunction forms the accommodating space.

Preferably, the lock pressure ring boss includes close to the first surface of image side and from the first surface close to optical axis one It holds towards object side and close to the first inclined-plane that optical axis direction inclination extends, first inclined-plane and the lock pressure ring body part connect It connects, the sealing ring is connected to first inclined-plane.

Preferably, the barrel includes barrel body part and the week from the barrel body part close to object side surface The barrel boss that edge is extended to form to object side direction, first optic portion are contained in the sky that the barrel boss surrounds In.

Preferably, the barrel body part, the barrel boss, the lock pressure ring and first eyeglass enclose jointly Conjunction forms the accommodating space, and the sealing ring is located between first eyeglass and the barrel boss, and the mirror The surface that head cylinder boss is abutted with the sealing ring is inclined-plane.

Preferably, the barrel boss include far from optical axis lateral surface, from the lateral surface close to object side one end to The top surface and extend from the top surface close to optical axis one end towards image side and close to optical axis direction inclination that optical axis direction bending extends The second inclined-plane, second inclined-plane connect with the barrel body part, and the sealing ring is connected to second inclined-plane.

Preferably, the barrel further includes close to object side surface from the barrel body part to image side direction concave shape At groove, first lens cover, which is connected on the groove, forms the accommodating space, the cell wall of the groove at least one A face is inclined-plane.

Preferably, the barrel body part includes the upper surface close to object side, and the barrel boss is from the upper table Face periphery extends to form to object side direction and corresponds to receiving first eyeglass, and the groove is from the upper surface to image side direction Recess is formed.

Preferably, the groove includes close to the bottom surface of image side, from the bottom surface both ends respectively to far from the bottom surface The third inclined-plane and the 4th inclined-plane that the inclination of middle vertical plane direction extends, the third inclined-plane are located at close to optical axis direction, the sealing Circle is abutted with the third inclined-plane and the 4th inclined-plane respectively.

Compared with the relevant technologies, the lens module of the utility model accommodates the sealing by the way that the accommodating space is arranged Circle enables and preferably positions to the sealing ring in assembly, while the lock pressure ring or the barrel being surrounded At least one is inclined-plane on the surface of the accommodating space, so that sealing ring has certain scope of activities in assembly, to make Can preferably the lens set and the barrel be sealed by obtaining the sealing ring after the assembly is completed, and then increase institute State the leakproofness of lens module.

[Detailed description of the invention]

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the structural schematic diagram of the lens module embodiment one of the utility model；

Fig. 2 is the partial enlarged view of a-quadrant shown in Fig. 1；

Fig. 3 is the structural schematic diagram of the lens module embodiment two of the utility model；

Fig. 4 is the partial enlarged view of B area shown in Fig. 3；

Fig. 5 is the structural schematic diagram of the lens module embodiment three of the utility model；

Fig. 6 is the partial enlarged view in the region C shown in Fig. 5.

[specific embodiment]

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one

Please refer to Fig. 1 and Fig. 2.A kind of lens module 100 is provided in the present embodiment comprising barrel 10 is received The lens set 20 that is dissolved in the barrel 10, is used the lock pressure ring 30 being pressed on the lens set 20 in the barrel 10 In the accommodating space of the sealing ring 40 and the receiving sealing ring 40 that seal the lens set 20 and 10 junction of barrel 50.It is threadedly coupled between the lock pressure ring 30 and the barrel 10 and the lens set 20 is pressed in the barrel 10.

The barrel 10 includes close to the upper surface 11 of object side.

The lens set 20 includes the multiple eyeglasses set gradually from object side toward image side direction.Specifically, the lens set 20 include the first eyeglass 21 close to object side.

It should be noted that lens set 20 described in present embodiment is six lens structures.Certainly, the utility model The lens set 20 is not limited to six lens structures, is only illustrated by taking six eyeglasses as an example in present embodiment, wherein most It is first eyeglass 21 close to object side one end.

First eyeglass 21 includes the first main part 211 of imaging area being served as optically focused and around first main body The first bearing and leaning portion 212 that portion 211 extends.

First bearing and leaning portion 212 includes the object side 2121 close to object side, the image side surface 2122 close to image side and connection The side wall 2123 of the object side 2121 and the image side surface 2122.

The lock pressure ring 30 include the lock pressure ring body part 31 with light hole, from 31 periphery of lock pressure ring body part to The lock pressure ring extension 32 that the bending of image side direction extends and the lock extended to form from the lock pressure ring extension 32 to optical axis direction Pressure ring boss 33.

The lock pressure ring boss 33 includes close to the first surface 331 of image side and from the first surface 331 close to optical axis One end is towards object side and close to the first inclined-plane 332 that optical axis direction inclination extends, first inclined-plane 332 and the lock pressure ring sheet Body portion 31 connects.

The barrel 10, the lens set 20 and the lock pressure ring 30 are enclosed the accommodating space 50 jointly.Tool Body, the upper surface 11, the side wall 2123, the lock pressure ring body part 31 and first inclined-plane 332 enclose shape jointly At the accommodating space 50, the sealing ring 40 is corresponding be contained in the accommodating space 50 and respectively with the side wall 2123 and First inclined-plane 332 abuts.

It is understood that since the part for surrounding the accommodating space 50 includes first inclined-plane 332, so that described Accommodating space 50 is gradually reduced towards object side direction size.In the lens module 100 assembly, the sealing ring 40 is put into It between first eyeglass 21 and shown lock pressure ring 30, that is, is located between the side wall 2123 and first inclined-plane 332, leads to Cross it is described lock pressure ring 30 and the barrel 10 between screw thread the lock pressure ring 30 is tightened, thus the sealing ring 40 by The pressure distortion on first inclined-plane 332 is mobile toward close object side direction, so that the sealing ring 40 is respectively by described first The extruding on inclined-plane 332 and the side wall 2123 ultimately forms the sealing effect of the sealing ring 40.

Embodiment two

Please refer to Fig. 3 and Fig. 4.A kind of lens module 200 is provided in the present embodiment comprising barrel 110 is contained in Lens set 120 in the barrel 110, is used the lock pressure ring 130 being pressed on the lens set 120 in the barrel 110 In the receiving of the sealing ring 140 and the receiving sealing ring 140 that seal the lens set 120 and 110 junction of barrel Space 150.It is threadedly coupled between the lock pressure ring 130 and the barrel 110 and the lens set 120 is pressed in the camera lens In cylinder 110.

The barrel 110 is including barrel body part 111 and from the barrel body part 111 close to object side surface The barrel boss 112 that periphery is extended to form to object side direction.

The barrel body part 111 includes the upper surface 1111 close to object side, and the barrel boss 112 is on described 1111 periphery of surface is extended to form to object side direction.

The barrel boss 112 include far from optical axis lateral surface 1121, from the lateral surface 1121 close to object side one Hold the top surface 1122 extended to optical axis direction bending and from the top surface 1122 close to optical axis one end towards image side and close to optical axis The second inclined-plane 1123 that direction inclination extends, second inclined-plane 1123 is connect with the upper surface 1111.

The lens set 120 includes the first eyeglass 121 close to object side, and first eyeglass 121 is partially housed in described It is spaced in the space that barrel boss 112 surrounds and with the barrel boss 112 and is arranged.First eyeglass 121 includes using In the first bearing and leaning portion 1212 that optically focused serves as the first main part 1211 of imaging area and extends around first main part 1211.

First bearing and leaning portion 1212 includes the object side 1213 close to object side, the image side surface 1214 close to image side and connection The side wall 1215 of the object side 1213 and the image side surface 1214.

The lock pressure ring 130 includes having the lock pressure ring body part 131 of light hole and from described lock pressure ring body part 131 weeks The lock pressure ring extension 132 that edge extends to the bending of image side direction.

The barrel body part 111, the barrel boss 112, the lock pressure ring body part 131 and first mirror Piece 121 is enclosed the accommodating space 150 jointly.Specifically, the upper surface 1111, second inclined-plane 1123, described Lock pressure ring body part 131 and the side wall 1215 are enclosed the accommodating space 150 jointly, and the sealing ring 140 is to receivable It is dissolved in the accommodating space 150 and is abutted respectively with second inclined-plane 1123 and the side wall 1215.

It is understood that since the part for surrounding the accommodating space 150 includes second inclined-plane 1123, the receipts Hold space 150 to be gradually reduced towards image side direction size.In the lens module 200 assembly, the sealing ring 140 is put into Between first eyeglass 121 and the barrel boss 112, that is, it is located in the side wall 1215 and second inclined-plane 1123 Between, the lock pressure ring 130 is tightened by the screw thread between the lock pressure ring 130 and the barrel 110, thus described close Seal 140 is mobile toward close image side direction by the pressure distortion on second inclined-plane 1123, so that the sealing ring 140 is distinguished By the extruding on second inclined-plane 1123 and the side wall 1215, the sealing effect of the sealing ring 140 is ultimately formed.

Embodiment three

Please refer to Fig. 5 and Fig. 6.A kind of lens module 300 is provided in the present embodiment comprising barrel 210 is contained in Lens set 220 in the barrel 210, is used the lock pressure ring 230 being pressed on the lens set 220 in the barrel 210 In the receiving of the sealing ring 240 and the receiving sealing ring 240 that seal the lens set 220 and 110 junction of barrel Space 250.It is threadedly coupled between the lock pressure ring 230 and the barrel 210 and the lens set 220 is pressed in the camera lens In cylinder 210.

The barrel 210 is including barrel body part 211, from the barrel body part 211 close to object side surface Barrel boss 212 that periphery is extended to form to object side direction and from the barrel body part 211 close to object side surface to picture Side direction is recessed the groove 213 to be formed.

The barrel body part 211 includes the upper surface 2111 close to object side, and the barrel boss 212 is on described 2111 periphery of surface is extended to form to object side direction, and the groove 213 is recessed to be formed to image side direction from the upper surface 2111.

The groove 213 includes the bottom surface 2131 close to image side, the both ends from the bottom surface 2131 respectively to far from described The third inclined-plane 2132 and the 4th inclined-plane 2133 that the middle vertical plane direction inclination of bottom surface 2131 extends, wherein the third inclined-plane 2132 Positioned at close to optical axis direction, the third inclined-plane 2132 is connect with the upper surface 2111, the 4th inclined-plane 2133 with it is described Barrel boss 212 connects.The i.e. described groove 213 includes extending close to optical axis one end towards object side and close to optical axis direction inclination And the third inclined-plane 2132 that is connect with the upper surface 2111 and from the bottom surface 2131 far from optical axis one end towards object side and remote The 4th inclined-plane 2133 for extending and connecting with the barrel boss 212 is tilted from optical axis direction.

It is understood that the bottom surface 2131, the third inclined-plane 2132 and the 4th inclined-plane 2133 are described The cell wall of groove 213.In the present embodiment, 213 section of groove is in isosceles trapezoidal structure.Certainly in other embodiments, 213 section of groove can be triangular in shape, i.e., can be not provided with the bottom surface 2131 in other embodiments, described by being only arranged Third inclined-plane 2132 and the 4th inclined-plane 2133 intersect the third inclined-plane 2132 and 2133 end of the 4th inclined-plane and enclose At the groove 213 of triangle.Even 213 section of groove can be in a rectangular trapezoid, i.e., only needs the cell wall of the groove 213 At least one face is inclined-plane.

The lens set 220 includes the first eyeglass 221 close to object side, and first eyeglass 221 is partially housed in described It is abutted in the space that barrel boss 212 surrounds and with the barrel boss 212.First eyeglass 221 includes for gathering The first bearing and leaning portion 2212 that light serves as the first main part 2211 of imaging area and extends around first main part 2211.

First bearing and leaning portion 2212 includes the object side 2213 close to object side, the image side surface 2214 close to image side and connection The side wall 2215 of the object side 2213 and the image side surface 2214.

The lid of first eyeglass 221 is connected to the correspondence of groove 213 and surrounds the accommodating space 250.Specifically, the side 2215 part of wall is corresponding with 212 inner wall of barrel boss to abut, the corresponding covering of the image side surface 2214 and the groove 213 It is upper to be arranged with 2131 face of bottom surface.The i.e. described image side surface 2214, the third inclined-plane 2132, the bottom surface 2131 and described 4th inclined-plane 2133 is enclosed the accommodating space 250 jointly, and the correspondence of sealing ring 240 is contained in the accommodating space It abuts in 250 and with the image side surface 2214, the third inclined-plane 2132 and the 4th inclined-plane 2133 respectively.

It is understood that including the third inclined-plane 2132 and described due to surrounding 250 part of accommodating space Four inclined-planes 2133, the accommodating space 250 are gradually reduced towards image side direction size.It, will in the lens module 300 assembly The sealing ring 240 is put into the groove 213, by the screw thread between the lock pressure ring 230 and the barrel 210 by institute Lock pressure ring 230 is stated to tighten, so that the sealing ring 240 is mobile toward close image side direction by the pressure distortion of the first eyeglass 221, So that the sealing ring 240 moves in groove 213, finally by the image side surface 2214, the third inclined-plane 2132 and institute The extruding for stating the 4th 2,133 3 points in inclined-plane forms the sealing effect of the sealing ring 240.

Compared with the relevant technologies, the lens module of the utility model accommodates the sealing by the way that the accommodating space is arranged Circle enables and preferably positions to the sealing ring in assembly, while the lock pressure ring or the barrel being surrounded At least one is inclined-plane on the surface of the accommodating space, so that sealing ring has certain scope of activities in assembly, to make Can preferably the lens set and the barrel be sealed by obtaining the sealing ring after the assembly is completed, and then increase institute State the leakproofness of lens module.

Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

Claims (10)

1. a kind of lens module is pressed on institute including barrel, the lens set being contained in the barrel, by the lens set State the lock pressure ring in barrel and the sealing ring for sealing the lens set Yu the barrel junction, the lens set packet Include the first eyeglass close to object side, which is characterized in that the lens module further includes empty for accommodating the receiving of the sealing ring Between, the accommodating space is enclosed or by first eyeglass and the barrel by first eyeglass and the lock pressure ring And the barrel is enclosed, and it is described lock pressure ring or the barrel surround the accommodating space surface at least one For inclined-plane.

2. lens module according to claim 1, which is characterized in that the lock pressure ring includes the lock pressure ring with light hole Body part prolongs from the lock pressure ring body part periphery to the lock pressure ring extension of image side direction bending extension and from the lock pressure ring The lock pressure ring boss that extending portion is extended to form to optical axis direction, the inclined-plane are located at the lock pressure ring boss.

3. lens module according to claim 2, which is characterized in that the lock pressure ring body part, the lock pressure ring boss, The barrel and first eyeglass are enclosed the accommodating space jointly.

4. lens module according to claim 3, which is characterized in that the lock pressure ring boss includes close to the first of image side Surface and the first inclined-plane that extension is tilted from the first surface close to optical axis one end towards object side and close to optical axis direction, it is described First inclined-plane is connect with the lock pressure ring body part, and the sealing ring is connected to first inclined-plane.

5. lens module according to claim 1, which is characterized in that the barrel includes barrel body part and from institute State the barrel boss that periphery of the barrel body part close to object side surface is extended to form to object side direction, first eyeglass portion Divide and is contained in the space that the barrel boss surrounds.

6. lens module according to claim 5, which is characterized in that the barrel body part, the barrel boss, The lock pressure ring and first eyeglass are enclosed the accommodating space jointly, and the sealing ring is located in first eyeglass Between the barrel boss, and the surface that the barrel boss is abutted with the sealing ring is inclined-plane.

7. lens module according to claim 6, which is characterized in that the barrel boss includes the outside far from optical axis Face, from the lateral surface close to object side one end to the top surface that optical axis direction bending extends and from the close optical axis one end court in the top surface To image side and close to the second inclined-plane that optical axis direction inclination extends, second inclined-plane is connect with the barrel body part, institute It states sealing ring and is connected to second inclined-plane.

8. lens module according to claim 5, which is characterized in that the barrel further includes from the barrel ontology Portion is recessed the groove to be formed close to object side surface to image side direction, and first lens cover, which is connected on the groove, forms the receipts Hold space, at least one face of the cell wall of the groove is inclined-plane.

9. lens module according to claim 8, which is characterized in that the barrel body part includes close to the upper of object side Surface, the barrel boss extend to form to object side direction from the upper surface periphery and correspond to receiving first eyeglass, The groove is recessed to be formed from the upper surface to image side direction.

10. lens module according to claim 9, which is characterized in that the groove includes close to the bottom surface of image side, from institute State third inclined-plane and the 4th inclined-plane that bottom surface both ends extend to the middle vertical plane direction inclination far from the bottom surface respectively, the third Inclined-plane is located at close to optical axis direction, and the sealing ring is abutted with the third inclined-plane and the 4th inclined-plane respectively.