CN203243432U - Dome camera - Google Patents

Abstract

The utility model relates to the technical field of security monitoring, particularly relates to a dome camera and aims to improve the air-tightness of a dome camera and guarantee the performance of a dome camera. The utility model discloses a dome camera which comprises an explosion-proof shell, a movement module fixedly arranged in the explosion-proof shell, a hemispherical transparent cover covered on the movement module and fixedly connected with the explosion-proof shell, and a first sealing ring arranged at a junction of the explosion-proof shell and the hemispherical transparent cover and respectively in sealed contact with the explosion-proof shell and the hemispherical transparent cover. In the utility model, through sealed design on the dome camera, the waterproof and dustproof effects of the dome camera are improved, the air-tightness of the dome camera is improved, and the performance of the dome camera is guaranteed.

Description

Dome camera

Technical Field

The utility model relates to a security protection control technical field, in particular to dome camera.

Background

The dome camera is a hemispherical camera, is a device integrating a camera, a lens and a mounting structure, has the advantages of attractive appearance, strong monitoring concealment and the like, and is widely applied to places such as traffic intersections, residential districts, markets, hotels and the like. However, the existing dome camera has poor sealing effect, and foreign matters such as rainwater, dust, flying insects and the like easily enter the camera, so that the performance of the dome camera is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dome camera for improve dome camera's leakproofness, with the performance of guaranteeing dome camera.

In order to achieve the above object, the present invention provides the following technical solutions:

a dome camera, comprising: the explosion-proof housing, set firmly in core module in the explosion-proof housing, the closing cap is in on the core module and with explosion-proof housing fixed connection's hemisphere translucent cover, and set up in explosion-proof housing with the junction of hemisphere translucent cover, and respectively with explosion-proof housing with the first sealing washer of hemisphere translucent cover sealing contact.

Preferably, the first seal ring comprises: the first sealing ring body is arranged on a first annular bulge on the surface of the first sealing ring body, which is in contact with the explosion-proof shell, and/or the first annular bulge is arranged on the surface of the first sealing ring body, which is in contact with the hemispherical transparent cover;

correspondingly, the explosion-proof housing is provided with a first annular groove matched with the first annular bulge, and/or the hemispherical transparent cover is provided with a first annular groove matched with the first annular bulge.

Preferably, a group of first closed-loop ribs is arranged on a contact surface of the first sealing ring body and the explosion-proof shell, and/or a group of first closed-loop ribs is arranged on a contact surface of the first sealing ring body and the hemispherical transparent cover, and each first closed-loop rib in each group is annularly arranged on the first sealing ring body.

Preferably, the explosion-proof housing comprises: the sealing device comprises a cylindrical bottom shell with an opening at one end and a closed end at the other end, an upper cover fixed at the opening of the cylindrical bottom shell, and a second sealing ring which is positioned between the cylindrical bottom shell and the upper cover and is in sealing contact with the cylindrical bottom shell and the upper cover respectively, wherein the upper cover is provided with a circular opening matched with the hemispherical transparent cover.

Preferably, the second seal ring comprises: the second sealing ring body is arranged on a second annular bulge on the second sealing ring body, a group of second closed-loop ribs are arranged on the surface, in contact with the cylindrical bottom shell, of the second sealing ring body, and/or a group of second closed-loop ribs are arranged on the surface, in contact with the upper cover, of the second sealing ring body, and each second closed-loop rib in each group is annularly arranged on the second sealing ring body.

Further, the second sealing ring still includes: the ring is arranged on the second sealing ring body and three mounting holes are uniformly distributed.

Preferably, the cylindrical bottom shell is provided with an outlet hole for a cable to pass through, and a sealing plug is arranged in the outlet hole.

Preferably, the sealing plug is externally provided with a barb which is clamped with the edge of the outlet hole, the sealing plug is internally provided with a through hole for a cable to pass through, and the aperture of the two ends of the through hole is larger than that of the middle part of the through hole.

Preferably, the installation racks are arranged on the explosion-proof shell and fixedly install the dome camera at a set position.

Preferably, each of the mounting brackets includes:

the bolt is pivoted on the explosion-proof shell;

the first check ring is fixedly arranged on the screw and used for limiting the screw to move up and down relative to the explosion-proof shell;

the elastic sheet is positioned above the first check ring and is in threaded connection with the screw, and one end of the elastic sheet abuts against the side wall of the explosion-proof shell;

and the second check ring is positioned above the elastic sheet and fixedly connected with the screw, and when the screw is rotated, the elastic sheet is driven to move up and down along the screw.

The utility model discloses in, through the design of sealing half dome camera, improve dome camera's waterproof, dustproof effect to improve dome camera's leakproofness, and then guarantee dome camera's performance.

Drawings

Fig. 1 is an exploded view of a dome camera according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the first seal ring of FIG. 1;

FIG. 3 is a top view of the first seal ring of FIG. 1;

fig. 4 is an external view of a dome camera according to a second embodiment of the present invention;

fig. 5 is an exploded view of a dome camera according to a second embodiment of the present invention;

FIG. 6 is a schematic structural view of the second seal ring shown in FIG. 5;

FIG. 7 is a partial cross-sectional view of the second seal ring at area A of FIG. 5;

FIG. 8 is a partial cross-sectional view of the upper cover of FIG. 5 in area B;

FIG. 9 is an enlarged view of a portion of the cartridge base of FIG. 5;

fig. 10 is a cross-sectional view of the sealing plug of fig. 5;

FIG. 11 is a schematic view of the dome before installation;

fig. 12 is a structural solid diagram after the dome camera is installed.

Reference numerals:

1-an explosion-proof shell, 2-a machine core module, 3-a hemispherical transparent cover,

4-a first sealing ring, 5 a second sealing ring, 6-a sealing plug,

7-mounting frame, 8-ceiling, 11-cylindrical bottom shell,

12-upper cover, 13-screw, 41-first sealing plug body,

42-a first annular projection, 43-a first closed loop rib, 51-a second plug body,

52-second annular projection, 53-second closed loop rib, 54-mounting hole,

61-barb, 62-via, 71-screw,

72-first retainer ring, 73-spring plate, 74-second retainer ring,

111-drain groove, 121-second annular groove.

Detailed Description

In order to improve the sealing performance of the dome camera and ensure the performance of the dome camera; the utility model provides a dome camera improves dome camera's waterproof, dustproof effect through sealed design to improve dome camera's leakproofness, in order to guarantee dome camera's performance.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

Referring to fig. 1, an exploded view of a dome camera according to an embodiment of the present invention is provided. This the embodiment of the utility model provides a hemisphere camera includes: the anti-explosion device comprises an anti-explosion shell 1, a machine core module 2 fixedly arranged in the anti-explosion shell 1, a hemispherical transparent cover 3 which is sealed on the machine core module 2 and is fixedly connected with the anti-explosion shell 1, and a first sealing ring 4 which is arranged at the joint of the anti-explosion shell 1 and the hemispherical transparent cover 3 and is respectively in sealing contact with the anti-explosion shell 1 and the hemispherical transparent cover 3; wherein,

the movement module 2 comprises a circuit part, a lens part and a corresponding supporting structure and is fixedly arranged in the explosion-proof shell 1; the hemisphere transparent cover 3 covers the movement module 2 and is fixedly connected with the explosion-proof shell 1, and the first sealing ring 4 is positioned between the explosion-proof shell 1 and the hemisphere transparent cover 3 and is in sealing contact with the explosion-proof shell 1 and the hemisphere transparent cover 3 respectively. In this embodiment, through the first sealing washer 4 that adds in the junction of explosion-proof housing 1 and hemisphere translucent cover 3, improve the waterproof, dustproof effect of hemisphere camera to improve hemisphere camera's leakproofness, and then guarantee hemisphere camera's performance.

As shown in fig. 2 and 3, wherein fig. 2 is a sectional view of the first seal ring of fig. 1; fig. 3 is a top view of the first seal ring of fig. 1. In order to facilitate installation and prevent the first sealing ring 4 from falling off from the explosion-proof housing 1 or the hemispherical transparent cover 3 during installation, preferably, the first sealing ring 4 comprises: the first sealing ring body 41, a first annular bulge 42 arranged on the surface of the first sealing ring body 41 contacted with the explosion-proof shell 1, and/or a first annular bulge 42 arranged on the surface of the first sealing ring body 41 contacted with the hemispherical transparent cover 3; accordingly, the explosion proof housing 1 has a first annular groove (not shown) matching the first annular protrusion 42, and/or the hemispherical transparent cover 3 has a first annular groove (not shown) matching the first annular protrusion 42. In this embodiment, only the surface of the first seal ring body 41 contacting the explosion-proof housing 1 is provided with a first annular protrusion 42, and a first annular groove is formed in the region of the explosion-proof housing 1 corresponding to the first annular protrusion 42, and the first annular protrusion 42 is installed in the first annular groove of the explosion-proof housing 1 in an interference manner.

In order to further improve the sealing effect of the first sealing ring 4 on the hemispherical camera, a group of first closed-loop ribs 43 is arranged on the surface of the first sealing ring body 41, which is in contact with the explosion-proof shell 1, and/or a group of first closed-loop ribs 43 is arranged on the surface of the first sealing ring body 41, which is in contact with the hemispherical transparent cover 3, and each first closed-loop rib 43 in each group is annularly arranged on the first sealing ring body 41; that is, on two opposite sealing surfaces of the first sealing ring body 41, a group of first closed-loop ribs 43 is arranged on one sealing surface, or a group of first closed-loop ribs 43 is respectively arranged on the two sealing surfaces, and each first closed-loop rib 43 in each group is annularly arranged on the first sealing ring body 41; with such an arrangement, the sealing effect of the first seal ring 4 on the dome camera can be further improved.

As shown in fig. 4 and 5, wherein fig. 4 is a complete external view of a dome camera according to a second embodiment of the present invention; fig. 5 is an exploded view of a dome camera according to a second embodiment of the present invention. The present embodiment provides a dome camera including: the machine core module comprises a cylindrical bottom shell 11, a machine core module 2 fixedly arranged in the cylindrical bottom shell 11, an upper cover 12 fixedly connected with the cylindrical bottom shell 11 and provided with a circular opening, a second sealing ring 5 arranged at the joint of the cylindrical bottom shell 11 and the upper cover 12, and a hemispherical transparent cover 3 fixedly arranged in the circular opening of the upper cover 12, wherein the hemispherical transparent cover 3 is in sealing contact with the upper cover 12 through a first sealing ring 4.

Specifically, in the second embodiment, the explosion-proof housing 1 adopts a split structure, including: a cylindrical bottom shell 11 with an opening at one end and a closed end at the other end, an upper cover 12 fixed at the opening of the cylindrical bottom shell 11, wherein the upper cover 12 is provided with a circular opening matched with the hemispherical transparent cover 3, and a second sealing ring 5 positioned between the cylindrical bottom shell 11 and the upper cover 12 and respectively in sealing contact with the cylindrical bottom shell 11 and the upper cover 12. In more detail, the cylindrical bottom case 11 includes: the device comprises a cylindrical shell with one end closed and the other end opened, and a flange arranged at the opening end of the cylindrical shell; the movement module 2 is fixedly arranged in a cylindrical bottom shell 11, the hemispherical transparent cover 3 is arranged in a circular opening of the upper cover 12, and the first sealing ring 4 is positioned between the hemispherical transparent cover 3 and the upper cover 12 and is respectively in sealing contact with the hemispherical transparent cover 3 and the upper cover 12; the upper cover 12 is fixedly mounted on the flange of the cylindrical bottom shell 11 by three screws 13, and the second seal ring 5 is located between the upper cover 12 and the cylindrical bottom shell 11 and is in sealing contact with the upper cover 12 and the cylindrical bottom shell 11, respectively. It is worth mentioning that, for the convenience of installation and maintenance, connect through an anti-falling rope between upper cover 12 and the tube-shape drain pan 11, when taking apart upper cover 12 for the upper cover is hung on the drain pan, should not lose, avoids falling from the eminence simultaneously and causes the potential safety hazard.

As shown in fig. 6, 7 and 8, wherein fig. 6 is a schematic structural view of the second seal ring in fig. 5; FIG. 7 is a partial cross-sectional view of the second seal ring at area A of FIG. 5; fig. 8 is a partial cross-sectional view of the upper cover in area B of fig. 5. The second seal ring 5 includes: the second sealing ring comprises a second sealing ring body 51, a second annular bulge 52 arranged on the second sealing ring body 51, and a group of second closed-loop ribs 53 arranged on the surface, contacting the cylindrical bottom shell 11, of the second sealing ring body 51, and/or a group of second closed-loop ribs 53 arranged on the surface, contacting the upper cover 12, of the second sealing ring body 51, wherein each second closed-loop rib 53 in each group is annularly arranged on the second sealing ring body 51; the corresponding upper cover 12 is provided with a second annular groove 121, and the second annular bulge 52 is arranged in the second annular groove 121 of the upper cover 12 in an interference fit manner. To facilitate the fixed mounting, the second sealing ring 5 preferably further comprises: three mounting holes 54 which are annularly arranged on the second sealing ring body 51 and are uniformly distributed; that is, three mounting holes 54 are uniformly formed in the circumferential direction of the second gasket body 51, and the upper cover 12, the second gasket 5, and the bottom case 11 are fixed to be one body by passing three screws 13 through the three mounting holes 54 of the upper cover 12, the bottom case 11, and the second gasket 5, respectively, during mounting.

In order to further improve the waterproof effect of the dome camera, as shown in fig. 9, a partial enlarged view of the cylindrical bottom case of fig. 5 is shown. The edge of the opening of the cylindrical bottom shell 11, which faces the ceiling or the thin wall after being installed, is provided with a plurality of grooves 111 for draining water, the water flows from the barrel body of the cylindrical bottom shell 11 to the second sealing ring, the sealing ring body 51 and the closed-loop ribs 52 can prevent the water from entering the hemispherical camera, and the water flows to the outside of the hemispherical camera from the grooves 111.

With continued reference to fig. 4 and 5, in order to further improve the sealing performance of the dome camera, the cylindrical bottom case 1 has a wire outlet through which a cable passes, and a sealing plug 6 is provided in the wire outlet. Specifically, as shown in fig. 10, a cross-sectional view of the sealing plug of fig. 4 is shown. A barb 61 clamped with the edge of the wire outlet is arranged outside the sealing plug 6, a through hole 62 for a cable to pass through is arranged inside the sealing plug 6, and the aperture of the two ends of the through hole 62 is larger than that of the middle part; after the sealing plug 6 is plugged into the outlet hole of the cylindrical bottom shell 11, the sealing plug is clamped on the edge of the outlet hole of the cylindrical bottom shell 11 through the barb 61; the cable with core module 2 signal connection passes through via hole 62, because of the aperture at via hole 62 both ends is greater than the aperture of mid portion, can play good sealed effect, prevents rainwater or dust etc. and gets into in the hemisphere camera.

To enable quick installation of the dome on a ceiling or other thin-walled structure, with continued reference to fig. 1, 4 or 5, the dome further comprises: the mounting frames 7 are arranged on the explosion-proof shell 1 and fixedly mount the dome camera at a set position; wherein each mounting bracket 7 comprises: a screw 71 pivotally mounted on the explosion-proof housing 1; a first retainer ring 72 which is fixedly arranged on the screw 71 and limits the screw 71 to move up and down relative to the explosion-proof shell 1; the elastic sheet 73 is positioned above the first retainer ring 72 and is in threaded connection with the screw 71, and one end of the elastic sheet 73 is abutted against the side wall of the explosion-proof shell 1; and a second stopper 74 positioned above the elastic piece 73 and fixedly connected with the screw 71, and when the screw 71 is rotated, the elastic piece 73 is driven to move up and down along the screw 71.

In this embodiment, there are two mounting brackets 7 disposed on the opening edge of the cylindrical bottom case 11; because the screw 7 is long, in order to prevent the screw from shaking, preferably, two cylindrical reinforcing structures are arranged at the edge of the opening of the cylindrical bottom shell 11, a through hole is formed in each cylindrical reinforcing structure, and the screw 7 passes through the through hole in the cylindrical reinforcing structure and is limited by the first retainer ring 72 to move up and down relative to the cylindrical bottom shell 11 but can rotate; when the screw 71 is rotated, the relative positions among the screw 71, the first retainer ring 72 and the second retainer ring 74 are not changed, and the screw 71 is rotated to drive the elastic sheet 73 to move up and down along the screw 71.

As shown in fig. 11 and 12, wherein fig. 11 is a schematic structural view of the dome camera before installation; fig. 12 is a structural solid diagram after the dome camera is installed. Aligning the dome camera with the opening 81 on the ceiling 8, forcibly pushing the dome camera upwards, and enabling the elastic sheet 73 to be extruded and deformed by the opening 81 on the ceiling 8 and to shrink towards the cylindrical bottom shell 11; the dome camera is hung on the ceiling 8 by pushing the spring plate 73 into the ceiling 8 and then springing open again, and the position of the spring plate 73 is adjusted by rotating the long screw 71, so that the edge of the cylindrical bottom case 11 of the dome camera and the spring plate 72 clamp the ceiling 8 and the dome camera is fixed on the ceiling 8.

To sum up, the utility model discloses in, improve hemisphere camera's waterproof, dustproof effect through carrying out sealed design to hemisphere camera to improve hemisphere camera's leakproofness, and then guarantee hemisphere camera's performance. In addition, the dome camera can be quickly mounted on the ceiling or on a thin-walled structure by means of a mounting bracket provided on the explosion-proof housing.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A dome camera, comprising: the explosion-proof housing, set firmly in core module in the explosion-proof housing, the closing cap is in on the core module and with explosion-proof housing fixed connection's hemisphere translucent cover, and set up in explosion-proof housing with the junction of hemisphere translucent cover, and respectively with explosion-proof housing with the first sealing washer of hemisphere translucent cover sealing contact.

2. The dome camera of claim 1,

the first seal ring includes: the first sealing ring body is arranged on a first annular bulge on the surface of the first sealing ring body, which is in contact with the explosion-proof shell, and/or the first annular bulge is arranged on the surface of the first sealing ring body, which is in contact with the hemispherical transparent cover;

correspondingly, the explosion-proof housing is provided with a first annular groove matched with the first annular bulge, and/or the hemispherical transparent cover is provided with a first annular groove matched with the first annular bulge.

3. The dome camera of claim 2 wherein a set of first closed-loop ribs is provided on the face of the first seal ring body in contact with the flameproof housing and/or wherein a set of first closed-loop ribs is provided on the face of the first seal ring body in contact with the dome transparency and wherein each first closed-loop rib in each set is annularly arranged on the first seal ring body.

4. The dome camera of any of claims 1-3, wherein said explosion proof enclosure comprises: the sealing device comprises a cylindrical bottom shell with an opening at one end and a closed end at the other end, an upper cover fixed at the opening of the cylindrical bottom shell, and a second sealing ring which is positioned between the cylindrical bottom shell and the upper cover and is in sealing contact with the cylindrical bottom shell and the upper cover respectively, wherein the upper cover is provided with a circular opening matched with the hemispherical transparent cover.

5. The dome camera of claim 4, wherein said second seal ring comprises: the second sealing ring body is arranged on a second annular bulge on the second sealing ring body, a group of second closed-loop ribs are arranged on the surface, in contact with the cylindrical bottom shell, of the second sealing ring body, and/or a group of second closed-loop ribs are arranged on the surface, in contact with the upper cover, of the second sealing ring body, and each second closed-loop rib in each group is annularly arranged on the second sealing ring body.

6. The dome camera of claim 5, wherein said second seal ring further comprises: the ring is arranged on the second sealing ring body and three mounting holes are uniformly distributed.

7. The dome camera of claim 4 wherein said cylindrical bottom shell has an outlet opening for a cable to pass through, said outlet opening having a sealing plug disposed therein.

8. The dome camera of claim 7 wherein said sealing plug has an external barb for engaging with the edge of said outlet hole, and said sealing plug has an internal through hole for passing a cable therethrough, and the diameter of said through hole is greater at both ends than in the middle.

9. The dome camera of claim 1, further comprising: and the installation frames are arranged on the explosion-proof shell and fixedly install the dome camera at a set position.

10. The dome of claim 9 wherein each of said mounts comprises:

the bolt is pivoted on the explosion-proof shell;

the first check ring is fixedly arranged on the screw and used for limiting the screw to move up and down relative to the explosion-proof shell;

the elastic sheet is positioned above the first check ring and is in threaded connection with the screw, and one end of the elastic sheet abuts against the side wall of the explosion-proof shell;

and the second check ring is positioned above the elastic sheet and fixedly connected with the screw, and when the screw is rotated, the elastic sheet is driven to move up and down along the screw.

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