Lens module sealing device and holder camera

Abstract

The utility model relates to the technical field of pan-tilt cameras, and discloses a lens module sealing device and a pan-tilt camera. The lens module sealing device comprises a lens module, a lens support and a flexible sealing piece. The lens module comprises a motor and a lens. The first end of the motor is in driving connection with the lens. The lens bracket is provided with a first side wall, and the first side wall is provided with a light through hole for avoiding the lens; the lens module is connected to the lens support, the end face of the first end of the motor is connected to one side of the flexible sealing piece in a sealed and pressed mode, the side, away from the motor, of the flexible sealing piece is connected to the first side wall in a sealed and pressed mode, and the flexible sealing piece is annularly arranged on the lens. According to the utility model, the sealing between the lens module and the lens support is realized through the arrangement of the flexible sealing element, the fogging phenomenon in the lens under the change of cold and hot environments is avoided, and the phenomenon that dust enters and is attached to the lens or the lens to cause imaging dirt is also avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a holder camera technical field especially relates to a lens module sealing device and holder camera. BACKGROUND

[0002] In current consumer electronics, the lens module as a key component, its stability and sealing are crucial to the overall performance of the product. The fixing method of the lens module not only affects its stability, but also directly relates to the waterproof, dustproof and other performance of the product.

[0003] At present, the lens module is mainly fixed on the structure by two ways. The first way is to use the front surface to paste the adhesive or apply glue to fix directly. The second way is that the front surface is directly attached to the structure. But the first way is suitable for the lens module with relatively large or relatively flat front surface, and the second way is suitable for the lens module with large volume or small circuit board, so as to achieve better sealing effect. When the front surface of the lens module is due to the existence of manufacturing tolerance and the front surface of the lens module is concave-convex shape feature, the sealing effect is poor.

[0004] Therefore, there is an urgent need for a lens module sealing device and holder camera to solve the above problems. SUMMARY

[0005] Based on the above, the purpose of the utility model is to provide a lens module sealing device and holder camera, which realizes the sealing between the lens module and the lens holder, and does not appear the lens internal fogging phenomenon under the change of cold and hot environment, and does not appear the dust entering and adhering to the lens or lens, resulting in the imaging pollution phenomenon.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] On the one hand, a lens module sealing device is provided, which comprises:

[0008] The lens module comprises a motor and a lens, and the first end of the motor is drivingly connected to the lens;

[0009] The lens holder is provided with a first side wall, and the first side wall is provided with a light hole avoiding the lens;

[0010] The lens module is connected to the lens holder, the end face of the first end of the motor is sealingly pressed to one side of the flexible sealing element, the side of the flexible sealing element away from the motor is sealingly pressed to the first side wall, and the flexible sealing element is annularly arranged on the lens.

[0011] As a preferred technical scheme of the lens module sealing device, a plurality of connecting columns are arranged on one side of the first side wall facing the lens module, and a containing cavity is formed between the plurality of connecting columns.

[0012] The lens module further comprises a circuit board, one end of the motor away from the lens is connected to the circuit board, and the motor and the lens are located in the containing cavity, and the circuit board is detachably connected to the connecting columns.

[0013] As a preferred technical scheme of the lens module sealing device, the circuit board is provided with a plurality of through holes, the end surface of the connecting column is provided with a connecting hole, the through hole and the connecting hole correspond one by one, and the fastener can be arranged in the through hole and connected to the connecting hole.

[0014] As a preferred technical scheme of the lens module sealing device, the flexible sealing member is a silica gel sealing gasket or a sponge sealing gasket.

[0015] As a preferred technical scheme of the lens module sealing device, one side of the flexible sealing member facing the motor is bonded to the end surface of the first end of the motor by glue or back glue; and / or

[0016] One side of the flexible sealing member facing the first side wall is bonded to the first side wall by glue or back glue.

[0017] As a preferred technical scheme of the lens module sealing device, the first end surface of the motor is provided with a first sealing groove, and the flexible sealing member can be partially arranged in the first sealing groove; and / or

[0018] The first side wall is provided with a second sealing groove on one side facing the motor, and the flexible sealing member can be partially arranged in the second sealing groove.

[0019] As a preferred technical scheme of the lens module sealing device, the lens module sealing device further comprises a lens, the lens is sealingly connected to one side of the first side wall away from the motor, and the lens can block the light hole.

[0020] As a preferred technical scheme of the lens module sealing device, the first side wall is provided with a mounting groove on one side away from the motor, the lens is arranged in the mounting groove, and the light hole is arranged in the groove bottom of the mounting groove.

[0021] As a preferred technical scheme of the lens module sealing device, the lens is bonded to the groove bottom of the mounting groove by glue or back glue.

[0022] In another aspect, a gimbal camera is provided, comprising a housing and the lens module sealing device of any one of the above solutions, a plurality of buckles are arranged on one side of the first side wall facing the lens module, and the buckles can be buckled to the housing.

[0023] The utility model discloses the beneficial effects are:

[0024] The utility model provides a lens module sealing device and gimbal camera, when assembling, the lens module is connected in lens support, the end face sealing pressure joint of the first end of motor is in one side of flexible sealing piece at this moment, and one side sealing pressure joint of flexible sealing piece is away from motor in first side wall, the utility model discloses the flexible sealing piece realizes the sealing between lens module and lens support, and the inside of lens does not appear the phenomenon of fog under the change of cold and hot environment, and dust also does not appear the phenomenon of entering and adhering to lens or lens and causing the phenomenon of imaging pollution. When the end face of the first end of motor is uneven, the flexible sealing piece can produce adaptive deformation to seal the end face of the first end of motor, and the sealing performance is improved. Furthermore, when the motor drives the zoom of the lens, the hollow structure of the flexible sealing piece does not affect the zoom of the lens because the flexible sealing piece is annularly arranged around the lens, and the lens can collect the picture through the light hole. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment of the utility model will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the content of the embodiment of the utility model and the drawings by those skilled in the art without creating labor.

[0026] Figure 1 It is the structure schematic diagram of the lens module sealing device provided by the embodiment of the utility model;

[0027] Figure 2 It is the sectional view of the lens module sealing device provided by the embodiment of the utility model;

[0028] Figure 3 It is the structure explosion drawing of the lens module sealing device provided by the embodiment of the utility model;

[0029] Figure 4 It is the structure schematic diagram of the lens support provided by the embodiment of the utility model.

[0030] The marks in the drawing are as follows:

[0031] 1, lens module;11, motor;12, lens;13, circuit board;131, through hole;

[0032] 2, lens holder; 21, first side wall; 22, light hole; 23, connecting column; 231, connecting hole; 24, mounting groove; 25, accommodating cavity; 26, buckle;

[0033] 3, flexible seal; 4, lens; 5, fastener. DETAILED DESCRIPTION

[0034] The utility model will be described in further detail below in combination with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0037] In the description of the embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0038] As Figures 1-3As shown, the embodiment provides a lens module sealing device, which comprises a lens module 1, a lens holder 2 and a flexible sealing piece 3. Specifically, the lens module 1 comprises a motor 11 and a lens 12, the first end of the motor 11 is drivingly connected to the lens 12; the lens holder 2 is provided with a first side wall 21, the first side wall 21 is provided with a light passing hole 22 which avoids the lens 12; the lens module 1 is connected to the lens holder 2, the end face of the first end of the motor 11 is sealingly and pressingly connected to one side of the flexible sealing piece 3, the side of the flexible sealing piece 3 away from the motor 11 is sealingly and pressingly connected to the first side wall 21, and the flexible sealing piece 3 is annularly arranged on the lens 12.

[0039] When assembled, the lens module 1 is connected to the lens holder 2, at this time, the end face of the first end of the motor 11 is sealingly and pressingly connected to one side of the flexible sealing piece 3, the side of the flexible sealing piece 3 away from the motor 11 is sealingly and pressingly connected to the first side wall 21, in this embodiment, the end face of the first end of the motor 11 serves as the front face of the lens module 1, the flexible sealing piece 3 is arranged to realize the sealing between the lens module 1 and the lens holder 2, the lens 12 will not appear fogging phenomenon under the change of cold and hot environment, and dust will not enter and adhere to the lens 12 or the lens to cause the phenomenon of image pollution. When the end face of the first end of the motor 11 is uneven, the flexible sealing piece 3 can adaptively deform to sealingly fit the end face of the first end of the motor 11, thereby improving the sealing performance. Furthermore, when the motor 11 drives the lens 12 to zoom, since the flexible sealing piece 3 is annularly arranged on the lens 12, the hollow structure of the flexible sealing piece 3 will not affect the zooming of the lens 12, and the lens 12 can collect pictures through the light passing hole 22.

[0040] In this embodiment, the flexible sealing piece 3 is a silica gel sealing gasket or a sponge sealing gasket, so that the flexible sealing piece 3 can adaptively deform when being press-connected by the motor 11, thereby realizing the sealing effect.

[0041] Preferably, the side of the flexible sealing piece 3 facing the motor 11 is bonded to the end face of the first end of the motor 11 by glue or back glue; and / or the side of the flexible sealing piece 3 facing the first side wall 21 is bonded to the first side wall 21 by glue or back glue. In this embodiment, the side of the flexible sealing piece 3 facing the motor 11 is bonded to the end face of the first end of the motor 11 by glue or back glue; the side of the flexible sealing piece 3 facing the first side wall 21 is bonded to the first side wall 21 by glue or back glue, on the one hand, the sealing performance between the flexible sealing piece 3 and the motor 11 and between the flexible sealing piece 3 and the first side wall 21 is improved; on the other hand, the connection strength between the flexible sealing piece 3 and the motor 11 and between the flexible sealing piece 3 and the first side wall 21 is improved, so that the sealing performance of the lens 12 will not be reduced when the product is transported, used or vibrated.

[0042] Further preferably, the first end surface of the motor 11 is provided with a first sealing groove (not shown in the figure), and the flexible sealing member 3 can be partially embedded in the first sealing groove; and / or the side of the first side wall 21 facing the motor 11 is provided with a second sealing groove (not shown in the figure), and the flexible sealing member 3 can be partially embedded in the second sealing groove. In this embodiment, the first end surface of the motor 11 is provided with a first sealing groove, and the flexible sealing member 3 can be partially embedded in the first sealing groove; the side of the first side wall 21 facing the motor 11 is provided with a second sealing groove, and the flexible sealing member 3 can be partially embedded in the second sealing groove. In assembly, the flexible sealing member 3 can be pre-installed in the first sealing groove or the second sealing groove, improving the assembly convenience. Furthermore, the first sealing groove and the second sealing groove can limit the flexible sealing member 3, preventing the flexible sealing member 3 from moving and separating from between the motor 11 and the first side wall 21.

[0043] Further, as shown in Figure 3 and Figure 4 , the first side wall 21 is provided with a plurality of connecting columns 23 facing the lens module 1, and a containing cavity 25 is surrounded between the plurality of connecting columns 23; the lens module 1 further comprises a circuit board 13, and the end of the motor 11 away from the lens 12 is connected to the circuit board 13, and the motor 11 and the lens 12 are located in the containing cavity 25, and the circuit board 13 is detachably connected to the connecting columns 23, realizing that the lens module 1 is connected to the lens holder 2.

[0044] In this embodiment, the circuit board 13 is provided with a plurality of through holes 131, and the end surface of the connecting column 23 is provided with a connecting hole 231, and the through hole 131 and the connecting hole 231 correspond one by one, and the fastener 5 can be passed through the through hole 131 and connected to the connecting hole 231. In this embodiment, the fastener 5 is a self-tapping screw, and the self-tapping screw is passed through the through hole 131 and connected to the connecting hole 231. In the process of tightening the fastener 5, the lens module 1 gradually moves towards the first side wall 21, until the end surface of the first end of the motor 11 compresses the flexible sealing member 3, and by controlling the tightening force of the fastener 5, the compression force of the flexible sealing member 3 can be adjusted, ensuring the sealing performance between the flexible sealing member 3 and the motor 11 and between the flexible sealing member 3 and the first side wall 21.

[0045] Further, as shown in Figures 1-4 , the lens module sealing device further comprises a lens 4, and the lens 4 is sealingly connected to the side of the first side wall 21 away from the motor 11, and the lens 4 can block the light hole 22 to prevent dust or water mist from entering the light hole 22.

[0046] Preferably, the first side wall 21 is provided with a mounting groove 24 on the side away from the motor 11, the lens 4 is embedded in the mounting groove 24, and the light hole 22 is arranged on the groove bottom of the mounting groove 24. During assembly, the lens 4 is embedded in the mounting groove 24, which facilitates the assembly of the lens 4, improves the assembly convenience, and improves the assembly accuracy of the lens 4.

[0047] In the embodiment, the lens 4 is bonded to the groove bottom of the mounting groove 24 by glue or back glue, and the lens 4 is sealingly connected to the side of the first side wall 21 away from the motor 11.

[0048] The embodiment also provides a cloud camera, which comprises a shell and the lens module sealing device.

[0049] It should be noted that the above is only a preferred embodiment of the present application and the technical principle applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and more other equivalent embodiments can be included without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A lens module sealing device, characterized in that, include: Lens module (1), the lens module (1) includes a motor (11) and a lens (12), the first end of the motor (11) is driven and connected to the lens (12); Lens bracket (2), the lens bracket (2) is provided with a first sidewall (21), the first sidewall (21) is provided with a light-transmitting hole (22) to avoid the lens (12); The flexible seal (3) is connected to the lens bracket (2) of the lens module (1). The end face of the first end of the motor (11) is sealed and pressed against one side of the flexible seal (3). The side of the flexible seal (3) away from the motor (11) is sealed and pressed against the first sidewall (21). The flexible seal (3) is arranged around the lens (12).

2. The lens module sealing device according to claim 1, characterized in that, The first sidewall (21) is provided with a plurality of connecting posts (23) on the side facing the lens module (1), and the plurality of connecting posts (23) form a receiving cavity (25); The lens module (1) also includes a circuit board (13). The end of the motor (11) facing away from the lens (12) is connected to the circuit board (13). The motor (11) and the lens (12) are both located in the receiving cavity (25). The circuit board (13) is detachably connected to the connecting post (23).

3. The lens module sealing device according to claim 2, characterized in that, The circuit board (13) is provided with a plurality of through holes (131), and the end face of the connecting post (23) is provided with a connecting hole (231). The through holes (131) and the connecting holes (231) correspond one to one. The fastener (5) can pass through the through holes (131) and be connected to the connecting holes (231).

4. The lens module sealing device according to claim 1, characterized in that, The flexible sealing element (3) is a silicone sealing gasket or a sponge sealing gasket.

5. The lens module sealing device according to claim 1, characterized in that, The flexible seal (3) is bonded to the end face of the first end of the motor (11) by adhesive or backing adhesive on the side facing the motor (11); and / or The flexible seal (3) is bonded to the first sidewall (21) with glue or adhesive backing on the side facing the first sidewall (21).

6. The lens module sealing device according to claim 1, characterized in that, The first end face of the motor (11) is provided with a first sealing groove, and the flexible seal (3) can be partially embedded in the first sealing groove; and / or The first sidewall (21) is provided with a second sealing groove on the side facing the motor (11), and the flexible seal (3) can be partially embedded in the second sealing groove.

7. The lens module sealing device according to any one of claims 1-6, characterized in that, The lens module sealing device also includes a lens (4), which is sealed to the side of the first sidewall (21) away from the motor (11), and the lens (4) can block the light-transmitting hole (22).

8. The lens module sealing device according to claim 7, characterized in that, The first sidewall (21) is provided with a mounting groove (24) on the side away from the motor (11), the lens (4) is embedded in the mounting groove (24), and the light-transmitting hole (22) is provided at the bottom of the mounting groove (24).

9. The lens module sealing device according to claim 8, characterized in that, The lens (4) is bonded to the bottom of the mounting groove (24) by adhesive or backing adhesive.

10. A pan-tilt camera, characterized in that, The device includes a housing and a lens module sealing device as described in any one of claims 1-9, wherein a plurality of snap fasteners (26) are provided on the side of the first sidewall (21) facing the lens module (1), and the snap fasteners (26) are capable of engaging with the housing.

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