Vehicle-mounted camera

Abstract

The embodiment of the utility model provides a vehicle-mounted camera which comprises a shell with one end provided with a boss, and the boss is provided with a mounting hole penetrating from the outer end face of the boss to an inner cavity of the shell. The PCB is assembled in the shell, and a photosensitive chip is assembled on the board surface of one side, facing the mounting hole, of the PCB; the lens is assembled in the mounting hole by an active focusing process, an outer stop part is formed on the outer wall of the middle section of the lens, and the inner end of the lens is inserted into the mounting hole and is adhered and fixed on the outer end surface of the boss by the outer stop part through a first sealant; a glue injection hole communicated with the mounting hole is further formed in the side face of the boss, and the position, close to the edge, of the inner end face of the lens abuts against the surface of the side, facing the outer end opening of the mounting hole, of the inner baffle ring for positioning. And a space defined by the outer wall of the lens, the hole wall of the mounting hole, the outer stop part and the inner stop ring is filled with a second sealant which is injected from the sealant injection hole and then cured. According to the embodiment, the connection stability of the lens and the shell can be effectively improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to the technical field of vehicle-mounted camera equipment, and particularly relates to a vehicle-mounted camera. BACKGROUND

[0002] The existing vehicle-mounted camera comprises a shell provided with a mounting hole at one end, a lens inserted into the mounting hole at an inner end, a PCB plate assembled in the shell, and a photosensitive chip assembled on the PCB plate and with an optical center falling on an optical axis of the lens, an outer convex ring is formed on the outer wall of the middle section of the lens along the radial direction, and the lens is fixed to the outer end opening periphery of the mounting hole by means of the outer convex ring and sealing glue.

[0003] The inventor finds in the specific implementation that the sealing glue is directly exposed to the outside, and in the long-term harsh vehicle-mounted use environment, the sealing glue is prone to aging and poor adhesion, which can easily lead to poor connection stability of the lens and the shell, and even the lens can fall off; moreover, after the lens and the shell are fixed by means of the sealing glue, the space between the outer wall of the lens and the hole wall of the mounting hole is relatively closed, other connection measures cannot be added to the lens and the shell, and the lens can only be installed in other ways, which leads to increased assembly cost. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the embodiment of the utility model is to provide a vehicle-mounted camera which can effectively improve the connection stability of the lens and the shell.

[0005] In order to solve the above technical problem, the embodiment of the utility model provides the following technical scheme: a vehicle-mounted camera, comprising:

[0006] A shell provided with a boss at one end, the boss is provided with a mounting hole penetrating from the outer end surface of the boss to the inner cavity of the shell;

[0007] A PCB plate assembled in the shell and provided with a photosensitive chip on the side plate surface facing the mounting hole; and

[0008] A lens assembled in the mounting hole by means of an active focusing process, the outer wall of the middle section of the lens forms an outer stop portion, the inner end of the lens is inserted into the mounting hole and fixed to the outer end surface of the boss by means of the first sealing glue from the outer stop portion;

[0009] The hole wall of the mounting hole is radially protruded to form an inner stop ring at the inner end orifice, the boss side is also provided with glue injection holes connected with the mounting hole, the inner end face of the lens is positioned against the side surface of the inner stop ring facing the outer end orifice of the mounting hole, and the space formed by the outer wall of the lens, the hole wall of the mounting hole, the outer stop part and the inner stop ring is filled with the second sealant injected from the glue injection holes and then solidified.

[0010] Further, the glue injection holes are filled with the second sealant.

[0011] Further, the opposite two sides of the boss are symmetrically provided with the glue injection holes.

[0012] Further, the glue injection holes are perpendicular to the axial direction of the mounting hole.

[0013] Further, the glue injection holes are long strip-shaped and the length direction is parallel to the outer end face of the boss.

[0014] Further, the insertion section of the lens inserted into the mounting hole is thinner than the exposed section exposed outside the mounting hole, the outer stop part is composed of the convex ring radially protruding outside at the joint of the exposed section and the insertion section and the joint surface of the exposed section and the insertion section, or the outer stop part is composed of the joint surface of the exposed section and the insertion section.

[0015] Further, the lens is straight cylindrical, and the outer wall of the middle section of the lens is radially protruded to form the annular stop part.

[0016] Further, the outer end orifice of the mounting hole is provided with an annular protrusion around the axial direction of the mounting hole for adhesive fixing with the first sealant.

[0017] Further, the shell comprises a main shell and a cover body which are buckled with each other, the main shell is provided with an opening at one end and the boss at the end away from the opening, the PCB board is loaded into the front shell through the opening, and the cover body covers the opening of the front shell.

[0018] The utility model discloses at least has following beneficial effect through the above technical scheme: the utility model discloses an embodiment through forming the inner retaining ring at the hole wall inner end orifice of the mounting hole, when assembling the lens, by the inner end face of the lens abutting the side surface of the inner retaining ring towards the outer end orifice of the mounting hole and positioning, and can fill the second sealant in the space of the outer wall of the lens, the hole wall of the mounting hole, the outer retaining portion of the lens middle segment and the inner retaining ring combined formation through the glue injection hole of the boss side face, after the second sealant solidification, can be good bonding fixed lens, the second sealant is in relatively closed space and is not easy to age, thereby can ensure that the connection of lens and shell is long-term stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is split structure schematic diagram for an optional embodiment of the utility model vehicle camera.

[0020] Figure 2 It is assembly structure schematic diagram for an optional embodiment of the utility model vehicle camera.

[0021] Figure 3 It is cross section structure schematic diagram for an optional embodiment of the utility model vehicle camera.

[0022] Figure 4 It is cross section schematic diagram for an optional embodiment of the utility model vehicle camera. DETAILED DESCRIPTION

[0023] The application will be further described below in detail in combination with the drawings and specific embodiments. It should be understood that the following illustrative embodiments and descriptions are only used to explain the utility model, and are not as the limitation of the utility model, and the embodiments in the application and the features in the embodiments can be combined with each other without conflict.

[0024] As Figures 1-4 shown, an optional embodiment of the utility model provides a vehicle camera, comprising:

[0025] The housing 1 is provided with the boss 10, and the boss 10 is provided with the mounting hole 12 penetrating from the outer end face of the boss 10 to the inner cavity of the housing 1;

[0026] The PCB board 3 is assembled in the housing 1 and is provided with the photosensitive chip 30 on the side plate face towards the mounting hole 12; and

[0027] The lens 5 is assembled in the mounting hole 12 by the active focusing process, the middle segment outer wall of the lens 5 forms the outer retaining portion 50, the inner end of the lens 5 is inserted into the mounting hole 12 and is bonded and fixed to the outer end face of the boss 10 by the outer retaining portion 50 through the first sealant 52;

[0028] The inner end of the hole wall of the mounting hole 12 is radially protruded to form an inner blocking ring 121, the side of the boss 10 is provided with a glue injection hole 101 connected with the mounting hole 12, the inner end face of the lens 5 is positioned against the side surface of the inner blocking ring 121 facing the outer end of the mounting hole 12, and the space formed by the outer wall of the lens 5, the hole wall of the mounting hole 12, the outer blocking part 50 of the middle section of the lens 5 and the inner blocking ring 121 is filled with the second sealant 103 injected from the glue injection hole 101.

[0029] The inner end of the hole wall of the mounting hole 12 is radially protruded to form an inner blocking ring 121, the side of the boss 10 is provided with a glue injection hole 101 connected with the mounting hole 12, the inner end face of the lens 5 is positioned against the side surface of the inner blocking ring 121 facing the outer end of the mounting hole 12, and the space formed by the outer wall of the lens 5, the hole wall of the mounting hole 12, the outer blocking part 50 of the middle section of the lens 5 and the inner blocking ring 121 is filled with the second sealant 103 injected from the glue injection hole 101.

[0030] In an optional embodiment of the utility model, as shown in Figure 3 and Figure 4 , the glue injection hole 101 is filled with the second sealant 103. In the embodiment, the glue injection hole 101 is filled with the second sealant 103, so that the cavity of the glue injection hole 101 is avoided to be easily left with external dust and other sundries, and after the glue injection hole 101 is filled with the second sealant 103, the appearance of the shell 1 is also optimized.

[0031] In an optional embodiment of the utility model, as shown in Figure 1 and Figure 4 , the opposite two sides of the boss 10 are symmetrically provided with the glue injection hole 101. In the embodiment, the glue injection hole 101 is symmetrically arranged on the two sides of the boss 10, the glue injection efficiency is improved by simultaneously injecting the second sealant 103 from the glue injection holes 101 on the two sides, and the space between the lens 5 and the mounting hole 12 is completely filled by the second sealant 103.

[0032] In an optional embodiment of the utility model, as shown in Figure 1 and Figure 4 , the glue injection hole 101 is perpendicular to the axis of the mounting hole 12. In the embodiment, the glue injection hole 101 is perpendicular to the axis of the mounting hole 12, the second sealant 103 can smoothly flow to fill the space between the lens 5 and the mounting hole 12, and the glue injection hole 101 is more simple to process and form.

[0033] In an optional embodiment of the present application, as shown in Figure 1 and Figure 4 , the glue injection hole 101 is long strip-shaped and the length direction is parallel to the outer end surface of the boss 10. In this embodiment, the glue injection hole 101 is long strip-shaped and the length direction is parallel to the outer end surface of the boss 10, which can increase the injection space of the second sealant 103 and ensure that the second sealant 103 can be quickly injected and fill the space between the lens 5 and the mounting hole 12.

[0034] In an optional embodiment of the present application, as shown in Figures 1-3 , the insertion section 54 of the lens 5 inserted into the mounting hole 12 is thinner than the exposed section 56 exposed outside the mounting hole 12, the outer stop portion 50 is jointly formed by the convex ring 501 radially outwardly protruding at the joint of the exposed section 56 and the insertion section 54 and the joint step surface 503 of the exposed section 56 and the insertion section 54, or the outer stop portion 50 is formed by the joint step surface of the exposed section 56 and the insertion section 54. In this embodiment, whether the joint step surface of the lens 5 is used as the outer stop portion 50 or the joint step surface 503 of the lens 5 and the convex ring 501 are jointly used as the stop portion 50, the adhesion with the outer end hole edge of the mounting hole 12 and the surrounding formation of the injection space of the second sealant 103 can be realized.

[0035] In an optional embodiment of the present application, the lens 5 is straight cylindrical, and the middle section outer wall of the lens 5 is radially outwardly protruded to form the annular stop portion 50. In this embodiment, the stop portion 50 can also be directly formed on the middle section outer wall of the lens 5 to achieve a simpler structure.

[0036] In an optional embodiment of the present application, as shown in Figure 1 and Figure 3 , the outer end hole edge of the mounting hole 12 is provided with an annular protrusion 123 around the axial direction of the mounting hole 12 for adhesion and fixation with the first sealant 52. In this embodiment, the annular protrusion 123 is provided to facilitate the alignment adhesion of the lens 3 with the outer end hole edge of the mounting hole 12 through the first sealant 52.

[0037] In an optional embodiment of the present application, as shown in Figures 1-3 , the shell 1 comprises a main shell 14 and a cover 16 which are buckled to each other, one end of the main shell 14 is provided with an opening 141 and the end away from the opening 141 is provided with the boss 10, the PCB board 3 is loaded into the main shell 14 through the opening 141, and the cover 16 covers the opening 141 of the main shell 14. In this embodiment, the shell 1 comprises the main shell 14 and the cover 16, which has a simple structure and facilitates the assembly of the PCB board 3 and other components.

[0038] The embodiments of the present application are described above with reference to the drawings; however, the present application is not limited to the specific embodiments described above, but the specific embodiments described above are merely illustrative rather than restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, which all belong to the protection scope of the present application.

Claims

1. A vehicle-mounted camera, comprising: A housing with a boss at one end, wherein the boss has a mounting hole that extends from the outer end face of the boss into the inner cavity of the housing; A PCB board assembled within the housing, with a photosensitive chip mounted on the side facing the mounting hole; and The lens is assembled in the mounting hole using an active focusing process. The outer wall of the middle section of the lens forms an outer stop. The inner end of the lens is inserted into the mounting hole and is fixed to the outer end face of the boss by the outer stop using a first sealant. The feature is that the inner end of the mounting hole wall extends radially to form an inner retaining ring, and the side of the boss is also provided with an injection hole that communicates with the mounting hole. The inner end face of the lens is positioned against the side surface of the inner retaining ring facing the outer end of the mounting hole. The space formed by the outer wall of the lens, the wall of the mounting hole, the outer stop, and the inner retaining ring is filled with a second sealant that is injected from the injection hole and then cured.

2. The vehicle-mounted camera as described in claim 1, characterized in that, The injection hole is filled with the second sealant.

3. The vehicle-mounted camera as described in claim 1, characterized in that, The boss has symmetrical glue injection holes on both sides.

4. The vehicle-mounted camera as described in claim 1, characterized in that, The injection hole is perpendicular to the axis of the mounting hole.

5. The vehicle-mounted camera as described in any one of claims 1 to 4, characterized in that, The injection hole is elongated and its length is parallel to the outer end face of the boss.

6. The vehicle-mounted camera as described in claim 1, characterized in that, The insertion section of the lens inserted into the mounting hole is thinner than the exposed section outside the mounting hole. The outer stop is formed by a radially outward protruding ring at the junction of the exposed section and the insertion section, and the connecting step surface of the exposed section and the insertion section. Alternatively, the outer stop is formed by the connecting step surface of the exposed section and the insertion section.

7. The vehicle-mounted camera as described in claim 1, characterized in that, The lens is cylindrical, and the outer wall of the middle section of the lens bulges outward in a radial direction to form a ring-shaped stop.

8. The vehicle-mounted camera as described in claim 1, characterized in that, The outer end opening of the mounting hole has an annular protrusion around its axial direction for bonding and fixing with the first sealant.

9. The vehicle-mounted camera as described in claim 1, characterized in that, The housing includes a main housing and a cover that are interlocked. The main housing has an opening at one end and a protrusion at the other end away from the opening. The PCB board is inserted into the main housing through the opening, and the cover covers the opening of the main housing.

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