CN220775822U - Outdoor interphone - Google Patents

Abstract

The utility model provides an outdoor interphone, which comprises an interphone shell, a microphone hole arranged on the upper end surface of the interphone shell, and a protection device arranged on the upper end surface of the interphone shell and used for covering the microphone hole when moving to a first position so as to prevent sand and dust from entering the microphone hole and not covering the microphone hole when moving to a second position.

Description

Outdoor interphone

Technical Field

The utility model relates to the technical field of interphones, in particular to an outdoor interphone.

Background

The interphone can be used for talking without any network support, has no telephone charge, is suitable for occasions of relatively fixed and frequent talking, and consists of a shell, a host, a battery, a belt clip, a seat charger and an antenna. Interphones are of three general categories: analog interphone, digital interphone, IP interphone.

As shown in fig. 1, the interphone in the prior art includes a body, a microphone hole provided on the body surface, a function key provided on the body surface, a microphone key provided on the body side end surface, an antenna provided on the body upper end, and a volume adjusting knob provided on the body upper end.

Although the intercom in the prior art can solve the corresponding technical problems, certain defects still exist:

when outdoor sand and dust are more and hang the intercom on one's body, because the microphone hole exposes in the air for a long time, can't prevent that sand and dust from entering into the microphone hole when not using the intercom, lead to the sand and dust to block up in the microphone hole easily after long-term use, influence the normal use of intercom easily over time.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provide an outdoor interphone.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an outdoor intercom, includes the intercom casing, set up in the microphone hole of intercom casing up end, still including set up in intercom casing up end is located the microphone hole that is used for covering the microphone hole when removing to first position in order to prevent that sand and dust from entering into to the microphone hole in and no longer cover the protector in microphone hole when removing to the second position.

The further improvement is that: the protection device comprises two connecting plates which are oppositely arranged on the left side and the right side of the microphone hole, a sliding plate which is arranged on the connecting plates and is positioned above the microphone hole and used for moving to a first position or a second position above the microphone hole when being driven by external force, and a protection piece which is arranged on the lower end face of the sliding plate and used for propping against the upper end face of the intercom shell so as to cover the microphone hole when the sliding plate moves to the first position above the microphone hole.

The further improvement is that: the protection piece comprises a protection plate which is slidably arranged on the upper end face of the interphone shell, at least one lifting groove which is arranged on the lower end face of the sliding plate and is positioned above the protection plate, a lifting rod which is arranged on the sliding plate and is used for lifting or descending in the lifting groove when being driven by external force and is arranged on the upper end face of the protection plate, a compression spring which is arranged between one end of the lifting rod and the sliding plate and is used for driving the lifting rod to descend in the lifting groove so as to drive the protection plate to prop against the upper end face of the interphone shell, and a limiting piece which is arranged between the connecting plate and the sliding plate and is used for fixing the sliding plate on the connecting plate when the sliding plate moves to a first position or a second position above the microphone hole.

The further improvement is that: the limiting piece comprises two sliding grooves formed in the connecting plates respectively, two sliding blocks which are arranged in the sliding grooves on the connecting plates and fixedly connected with the left end and the right end of the sliding plate, a first limiting groove and a second limiting groove which are formed in the connecting plates, far away from the end of the interphone shell and communicated with the sliding grooves, and a compressed spring which drives the sliding blocks to be matched with the sliding grooves when the sliding plates move to a first position or a second position above the microphone holes so as to fix the sliding plates on the connecting plates.

The further improvement is that: the anti-friction layer for reducing friction between the protection plate and the intercom shell is arranged on the lower end face of the protection plate.

The further improvement is that: the antifriction layer is a polytetrafluoroethylene layer.

After the technical scheme is adopted, the utility model has the beneficial effects that: when outdoor sand and dust are more and hang the intercom on one's body, remove to the first position at intercom casing up end through protector, make it cover the microphone hole in order to prevent that sand and dust from entering into to the microphone downthehole, the microphone hole can not expose in the air for a long time, and the sand and dust is difficult to block up in the microphone downthehole after long-term use, is difficult to influence the normal use of intercom.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a prior art intercom;

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is an enlarged view of a portion a corresponding to fig. 2;

fig. 4 is a side cutaway view of an intercom housing and slider of the present utility model;

FIG. 5 is a schematic view of a first position of a slide plate according to the present utility model;

fig. 6 is a schematic view of a second position of the slide plate in the present utility model.

Reference numerals illustrate: interphone shell 1, microphone hole 2, connecting plate 3, sliding plate 4, guard plate 5, lifting groove 6, lifting rod 7, compression spring 8, sliding groove 9, sliding block 10, first spacing groove 11, second spacing groove 12, antifriction layer 13.

Detailed Description

The utility model will now be further described with reference to the drawings and specific examples.

Referring to fig. 2 to 6, the technical scheme adopted in this embodiment is as follows: the utility model provides an outdoor intercom, includes intercom casing 1, set up in microphone hole 2 of intercom casing 1 up end, still including set up in intercom casing 1 up end is located microphone hole 2 that is used for covering microphone hole 2 when removing to the first position, in order to prevent that sand and dust from entering into microphone hole 2 and no longer cover the protector of microphone hole 2 when removing to the second position.

The protection device comprises two connecting plates 3 which are oppositely arranged on the left side and the right side of the microphone hole 2 on the upper end face of the interphone shell 1, a sliding plate 4 which is arranged on the connecting plates 3 and positioned above the microphone hole 2 and can move to a first position or a second position above the microphone hole 2 when being driven by external force, and a protection piece which is arranged on the lower end face of the sliding plate 4 and is used for propping against the upper end face of the interphone shell 1 so as to cover the microphone hole 2 when the sliding plate 4 moves to the first position above the microphone hole 2.

The protection piece comprises a protection plate 5 slidably arranged on the upper end surface of the interphone shell 1, at least one lifting groove 6 arranged on the lower end surface of the sliding plate 4 and located above the protection plate 5, a lifting rod 7, a compression spring 8, a limiting piece and a limiting piece, wherein one end of the lifting groove 6 is arranged on the sliding plate 4, the other end of the lifting rod 7 is fixedly arranged on the upper end surface of the sliding plate 4 and used for being lifted or lowered in the lifting groove 6 when being driven by external force, the limiting piece is arranged between one end of the lifting rod 7 and the sliding plate 4 and located in the lifting groove 6 and used for driving the lifting rod 7 to be lowered in the lifting groove 6 to drive the protection plate 5 to abut against the upper end surface of the interphone shell 1, and the limiting piece is arranged between the connecting plate 3 and the sliding plate 4 and used for fixing the sliding plate 4 on the connecting plate 3 when the sliding plate 4 moves to a first position or a second position above the microphone hole 2. The lifting groove 6 is in clearance fit with the lifting rod 7. The length and width of the shielding plate 5 are greater than those of the microphone hole 2. When the number of the lifting grooves 6 is one, the lifting groove 6 is arranged at the middle end part of the sliding plate 4; when the number of the lifting grooves 6 is two, the lifting grooves are symmetrically arranged at the left end and the right end of the sliding plate 4; when the number of the lifting grooves 6 is four, a rectangular array is provided on the slide plate 4.

The limiting piece comprises two sliding grooves 9 respectively formed in the two connecting plates 3, two sliding blocks 10 slidably arranged on the connecting plates 3 and positioned in the sliding grooves 9 and fixedly connected with the left end and the right end of the sliding plate 4, a first limiting groove 11 and a second limiting groove 12 which are formed in the connecting plates 3, far away from the end of the interphone shell 1 and communicated with the sliding grooves 9, and are driven by the compression springs 8 when the sliding plate 4 moves to a first position or a second position above the microphone holes 2, so that the sliding blocks 10 are matched with the sliding grooves 9 to fix the sliding plate 4 on the connecting plates 3. The height of the sliding groove 9 is greater than the height of the sliding block 10.

The lower end face of the protection plate 5 is provided with an antifriction layer 13 for reducing friction between the protection plate 5 and the interphone housing 1.

The antifriction layer 13 is a polytetrafluoroethylene layer, and the polytetrafluoroethylene has an extremely low friction coefficient, so that the antifriction layer can perform a lubrication function.

The working principle of the utility model is as follows: when more sand and dust are in outdoor places and the interphone is hung on a body, the sliding plate 4 is pressed downwards by hands to enable the sliding block 10 to move downwards in the sliding groove 9, the sliding plate 4 is made to press the compression spring 8, so that the sliding block 10 is released to abut against the top wall of the sliding groove 9, the sliding plate 4 is pushed to move to a first position above the interphone shell 1, at the moment, the driving of the sliding plate 4 can be removed, the compression spring 8 releases spring force and then upwards pushes up the sliding plate 4 to drive the sliding block 10 to abut against the top wall of the sliding groove 9, the friction force between the sliding block 10 and the top wall of the sliding groove 9 is increased to reduce the sliding phenomenon, the compression spring 8 can keep driving the lifting rod 7, the lifting rod 7 is lowered to drive the protection plate 5 to abut against the upper end face of the interphone shell 1, the microphone hole 2 is sealed, the microphone hole 2 is not exposed in the air for a long time, sand and dust is not easy to block in the microphone hole 2 after long-term use, and normal use of the interphone is not easy to be influenced; when the normal use of the microphone needs to be restored, the sliding plate 4 is extruded in the same driving mode, so that the sliding plate 4 moves to a second position above the interphone shell 1, and the protection plate 5 is driven to be no longer positioned at the position of the microphone hole 2; when the sliding plate 4 is driven to move to a first position or a second position above the interphone shell 1 and external force driving is removed, the spring force of the compression spring 8 can drive the sliding plate 4 to drive the sliding block 10 to move towards the end of the first limit groove 11 or the second limit groove 12, so that the sliding block 10 enters the first limit groove 11 or the second limit groove 12, and the sliding plate 4 is fixed on the connecting plate 3; when the sliding plate 4 is pushed to move above the interphone shell 1, the compression spring 8 continuously drives the protection plate 5 to prop against the upper end face of the interphone shell 1, friction force between the protection plate 5 and the interphone shell 1 can be reduced through the antifriction layer 13, and the position of the protection plate 5 is conveniently driven.

The utility model is to protect the structure of the product, the model of each element is not the content protected by the utility model, and the utility model is also known technology, and only the element which can realize the functions can be used as an outdoor interphone in the market. Therefore, parameters such as the type of the element will not be described in detail in the present utility model. The utility model is contributed to scientifically combining the elements together.

While the basic principles and main features of the present utility model and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents. The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (6)

1. The utility model provides an outdoor intercom, includes the intercom casing, set up in the microphone hole of intercom casing up end, its characterized in that: the protection device is arranged at the end of the upper end face of the interphone shell, is positioned at the microphone hole and is used for covering the microphone hole when moving to the first position so as to prevent sand and dust from entering the microphone hole and not covering the microphone hole when moving to the second position.

2. An outdoor intercom as in claim 1 wherein: the protection device comprises two connecting plates which are oppositely arranged on the left side and the right side of the microphone hole, a sliding plate which is arranged on the connecting plates and is positioned above the microphone hole and used for moving to a first position or a second position above the microphone hole when being driven by external force, and a protection piece which is arranged on the lower end face of the sliding plate and used for propping against the upper end face of the intercom shell so as to cover the microphone hole when the sliding plate moves to the first position above the microphone hole.

3. An outdoor intercom as in claim 2 wherein: the protection piece comprises a protection plate which is slidably arranged on the upper end face of the interphone shell, at least one lifting groove which is arranged on the lower end face of the sliding plate and is positioned above the protection plate, a lifting rod which is arranged on the sliding plate and is used for lifting or descending in the lifting groove when being driven by external force and is arranged on the upper end face of the protection plate, a compression spring which is arranged between one end of the lifting rod and the sliding plate and is used for driving the lifting rod to descend in the lifting groove so as to drive the protection plate to prop against the upper end face of the interphone shell, and a limiting piece which is arranged between the connecting plate and the sliding plate and is used for fixing the sliding plate on the connecting plate when the sliding plate moves to a first position or a second position above the microphone hole.

4. An outdoor intercom as in claim 3 wherein: the limiting piece comprises two sliding grooves formed in the connecting plates respectively, two sliding blocks which are arranged in the sliding grooves on the connecting plates and fixedly connected with the left end and the right end of the sliding plate, a first limiting groove and a second limiting groove which are formed in the connecting plates, far away from the end of the interphone shell and communicated with the sliding grooves, and a compressed spring which drives the sliding blocks to be matched with the sliding grooves when the sliding plates move to a first position or a second position above the microphone holes so as to fix the sliding plates on the connecting plates.

5. An outdoor intercom as in claim 3 wherein: the anti-friction layer for reducing friction between the protection plate and the intercom shell is arranged on the lower end face of the protection plate.

6. An outdoor intercom as in claim 5 wherein: the antifriction layer is a polytetrafluoroethylene layer.