CN107294556B - Multifunctional interphone - Google Patents
Multifunctional interphone Download PDFInfo
- Publication number
- CN107294556B CN107294556B CN201710496407.1A CN201710496407A CN107294556B CN 107294556 B CN107294556 B CN 107294556B CN 201710496407 A CN201710496407 A CN 201710496407A CN 107294556 B CN107294556 B CN 107294556B
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- groove
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- telescopic
- interphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F5/00—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping
- A45F5/02—Fastening articles to the garment
- A45F5/021—Fastening articles to the garment to the belt
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3888—Arrangements for carrying or protecting transceivers
Abstract
The invention discloses a multifunctional interphone, wherein a rear cover of the interphone is provided with a telescopic rod, an outermost sub-rod is embedded in a strip-shaped groove of the rear cover of the interphone, and a pull is fixed at the tail end of the outermost sub-rod. Two sides of the groove of the back cover are respectively provided with a groove which is parallel to the groove, a first extension tube and a second extension tube are respectively arranged in the two grooves, and the two extension tubes are respectively fixed in the grooves in a dismountable way by a bandage which crosses the grooves; the two ends of the first telescopic pipe can be respectively detachably connected with the telescopic rod and the second telescopic rod. A wire storage groove for storing a wire coil and a microphone is arranged in parallel between the groove where the first telescopic pipe is arranged and the groove where the telescopic rod is arranged; a screw plug is screwed at one end of the wire storage groove, which penetrates through the rear cover and is far away from the antenna, and a notch of the wire storage groove is covered by the sealing plate; a wireless camera which can be matched with the handheld terminal is arranged right above a signal bar of the interphone. The interphone can capture signals in a large range, is diversified in function, convenient to carry and use and extremely high in adaptability.
Description
Technical Field
The invention belongs to the technical field of interphones, and particularly relates to an interphone capable of adjusting length.
Background
The interphone is a short-distance wireless communication device commonly used in daily production and life, when the interphone is used, the interphone often encounters the situation that the interphone has poor signals, the interphone needs to be lifted to capture the signals, or the interphone extends out of a building, for example, extends out of a window and other slightly open environments to capture the signals, and particularly when the interphone is used outdoors or in a pit, the interphone needs to be lifted or extends to a certain position to capture the signals well to carry out loud conversation. However, the current interphone can only adjust the position of the interphone by stretching the arms of people to capture signals when in use, so that the interphone is not only inconvenient to use, but also has a very limited range for capturing signals. Thirdly, as the interphone is far away from the human body when being lifted, the conversation sound is possibly small, and the situation that the opposite party and even both parties can not hear clearly occurs, and at the moment, loud conversation is needed, and the interphone is extremely inconvenient to use. However, the interphone is far away from the human body and is an effective protection, and as is known, the interphone radiates extremely greatly during conversation, and is often close to the human body, especially the head, so that the human body is damaged. Finally, since the interphone is far away from the head of a human body when capturing the signal, whether the signal bar of the interphone has the signal cannot be seen when capturing the signal, and whether the signal exists can be determined only by continuous shouting, so that the interphone is very inconvenient to use. Therefore, the current interphone has single structure and function, can only be suitable for communication in general open environment, and has weak adaptability.
Disclosure of Invention
The invention aims to provide a multifunctional interphone, which effectively solves the technical problems of single function, inconvenience in use and poor adaptability of the traditional interphone.
The technical scheme of the invention is as follows:
a back cover of the interphone is provided with a telescopic rod, and the telescopic rod is arranged along the length direction of the interphone; the telescopic rod is composed of a plurality of sub rods which are nested with each other, the sub rods are all made of round tubes, the sub rods positioned on the outermost layer are embedded in a strip-shaped groove of a rear cover of the interphone, a pull ring made of a round ring is fixed at the tail end of the sub rod positioned on the innermost layer, the groove penetrates through one end, away from the antenna, of the rear cover, so that the sub rods except the outermost layer can extend out of the groove, and the pull ring is positioned outside the groove; the pull ring is connected with one end of the transition pipe, and the other end of the transition pipe is inserted into the tail end of the sub-rod at the innermost layer and is in threaded sleeve joint with the tail end;
two sides of the groove of the rear cover are respectively provided with a groove which is parallel to the groove, a first telescopic pipe and a second telescopic pipe are respectively arranged in the two grooves, and the two telescopic pipes are respectively fixed in the grooves in a dismountable way by a bandage which crosses the grooves; the top end of the outermost layer sub-pipe of the first telescopic pipe can be inserted into the tail end of the innermost layer sub-pipe of the telescopic rod and is in threaded sleeve joint with the tail end of the innermost layer sub-pipe of the telescopic rod, and the tail end of the innermost layer sub-pipe of the first telescopic pipe can be inserted into the top end of the outermost layer sub-pipe of the second telescopic pipe and is in threaded sleeve joint with the top end of the outermost layer sub-pipe of the second telescopic pipe;
a strip-shaped wire storage groove is arranged in parallel between the groove where the first telescopic pipe is arranged and the groove where the telescopic rod is arranged, a spiral cable coil is arranged in the wire storage groove along the length direction of the wire storage groove, and two ends of the cable coil are respectively connected with an intercom module and a miniature microphone in the intercom; the penetrating end of the wire storage groove penetrates through one end, far away from the antenna, of the rear cover, a screw plug is screwed at the penetrating end, and a notch of the wire storage groove is covered by a detachable sealing plate to prevent the cable from rolling out;
the intelligent interphone is characterized in that a miniature wireless camera is arranged right above a signal bar of the interphone and used for capturing signal icons on the signal bar, and the wireless camera is connected with the intelligent handheld terminal.
Furthermore, each pair of two nested sub-rods or two nested sub-tubes of the telescopic rod, the first telescopic tube and the second telescopic tube are respectively a first pull rod and a second pull rod, and the first pull rod is sleeved on the second pull rod; a plurality of disc spring seats are symmetrically fixed on two sides of the outer wall of the second pull rod, grooves for mounting disc springs are formed in one ends, facing the inner wall of the first pull rod, of the disc spring seats, small end faces of the disc springs can extend out of the groove openings of the grooves, and balls are fixed on the small end faces; two sliding grooves parallel to the axis of the first pull rod are symmetrically formed in two sides of the inner wall of the first pull rod, and a plurality of through holes penetrating through the wall of the first pull rod are formed in the bottoms of the sliding grooves; when the second pull rod is pulled to axially and relatively slide in the first pull rod, the ball slides in the sliding groove and slides into and extends out of the through hole under the action of the disc spring, so that the relative positions of the first pull rod and the second pull rod are fixed; when the ball is pressed back into the through hole at the position where the ball is exposed on the outer wall of the first pull rod, all the balls slide out of the through hole and can enter the sliding groove again.
Further, the inner wall of the perforation is arc-shaped, and the arc-shaped arch of the perforation faces the central axis of the perforation.
Furthermore, one end of the through hole, which is positioned on the outer wall of the first pull rod, is smaller than one end of the through hole, which is positioned on the inner wall.
Furthermore, a clip for hanging on clothes is fixed on the sub-rod at the outermost layer.
Furthermore, the inner parts of the tail ends of the innermost layer sub pipes of the first telescopic pipe and the second telescopic pipe are respectively provided with an internal thread which can be in threaded sleeve joint with the transition pipe.
Furthermore, one end of the bandage is fixed on the edge of one side of the groove, and the other end of the bandage bypasses the corresponding telescopic pipe and is detachably connected with the rear cover through a magic tape.
Further, the screw plug is bolted to the interphone through an iron chain.
Furthermore, the sealing plate is a strip-shaped plastic plate, and a flange perpendicular to the plastic plate body is arranged on the surface of the plastic plate at the penetrating end of the storage slot.
Furthermore, the thread of the sealing plate on one side surface of the wire storage groove and the thread arranged on the groove wall of the wire storage groove penetrating end at the corresponding position form a complete threaded hole together, and the threaded hole is matched with the screw plug.
The invention has the beneficial effects that: the telescopic rod/telescopic pipe is embedded/placed in the strip-shaped groove/groove formed in the rear cover of the interphone, the appearance of the interphone cannot be greatly influenced, the whole interphone is still attractive and harmonious and is convenient to carry, when the interphone needs to be stretched, the telescopic rod is pulled to a proper length by hooking the pull ring with fingers, meanwhile, when the interphone needs to be further moved to a far position, one or two telescopic pipes at the rear side of the rear cover can be taken down to be connected into a longer extension rod, the extension rod is particularly suitable for environments with more shelters which are mistakenly placed into a pit or have complex environments, and the interphone can be fully moved to an open position without shelter to receive signals and carry out normal intercom communication. Because the multi-section telescopic extension rod is adopted, the adjustable length range is larger, and the extension rod can be completely contracted, installed and reset when the length is not required to be adjusted. And the miniature microphone that sets up specially can realize remote sound transmission, and the user needs bigger sound to talkback when avoiding the telescopic link extension, unscrews the plug screw when needing, pulls out miniature microphone and can realize talkbacking. And the wireless camera who sets up can carry out real-time signal monitoring to the signal fence, needn't verify through the sound production frequently whether the intercom has arrived the position that can catch the signal, it is all extremely convenient to use and carry, adaptability is extremely strong, can have the ability of a very big range quick accurate signal of catching in pot hole or the relatively poor closed building of signal, be particularly useful for the environment complicated, the shelter shelters from the extreme environment that the signal is more, it is significant to exploration or some airtight deep pit space operations.
Drawings
Fig. 1 is a rear view of the present invention.
Fig. 2 is a rear view of the telescopic rod of the present invention when extended after being connected with two telescopic tubes.
Fig. 3 is a schematic view of the connection structure of two nested rods of the telescopic rod.
Figure 4 is a cross-sectional view of the ball of figure 3 fully slid away from the perforation.
Fig. 5 is a schematic cross-sectional view of the first tie rod through the axis of the bore.
Fig. 6 is a cross-sectional view B-B of the structure shown in fig. 5.
Fig. 7 is a cross-sectional view a-a of the structure shown in fig. 1.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-2, in an intercom, a telescopic rod b is arranged on a rear cover a of the intercom, and the telescopic rod b is arranged along the length direction of the intercom; the telescopic rod b is composed of a plurality of sub-rods which are nested with each other, the sub-rods are all made of round tubes, the sub-rod 1 positioned on the outermost layer is embedded in a strip-shaped groove of the interphone rear cover a, and the sub-rod 1 positioned on the outermost layer can be detachably connected in the groove, for example, a plastic hoop is adopted to fix the sub-rod in the groove; of course, the adhesive can also be directly adhered to the groove bottom of the groove. A ring-shaped pull ring 3 is fixed at the end of the sub-rod 2 at the innermost layer, the groove penetrates through one end of the rear cover a far away from the antenna d, so that the sub-rods except the outermost layer can extend out of the groove when being stretched, and the pull ring 3 is positioned outside the groove so as to be stretched after the finger hook enters. The pull ring 3 is connected to one end of a short transition pipe 13, and the other end of the transition pipe 13 is inserted into the end of the innermost sub-rod 2 and is screwed on the end of the sub-rod 2, so that the pull ring 3 can be removed when necessary.
Two sides of the groove of the back cover a are respectively provided with a groove which is parallel to the groove, a first extension tube 11 and a second extension tube 12 are respectively arranged in the two grooves, and the two extension tubes are respectively fixed in the grooves by bandages 14 which cross the grooves in a detachable way. The top end of the outermost sub-pipe 1101 of the first telescopic pipe 11 can be inserted into the end of the innermost sub-pipe 2 of the telescopic rod b and is in threaded sleeve joint with the same, and the end of the innermost sub-pipe 1102 of the first telescopic pipe 11 can be inserted into the top end of the outermost sub-pipe 1201 of the second telescopic pipe 12 and is in threaded sleeve joint with the same, so that the two telescopic pipes and the telescopic rod b can form a lengthened telescopic rod piece with a larger extension amount. In this embodiment, the maximum length of the telescopic rod b and the maximum length of the first and second telescopic tubes 11 and 12 can be changed according to the requirement, and the length and the thickness of each section of sub-rod (sub-tube) can be changed, so that the total extension amount of the multiple sections of sub-rods (sub-tubes) can be increased, the thickness can be reduced, and the extension amount can be increased. The telescopic rod b and the first and second telescopic tubes 11 and 12 used in this embodiment may be telescopic shafts similar to an umbrella, or may be modified in structure such as a telescopic fishing rod.
A strip-shaped wire storage groove is arranged in parallel between the groove where the first extension tube 11 is arranged and the groove where the extension tube b is arranged, a spiral cable roll 18 is arranged in the wire storage groove along the length direction of the wire storage groove, and two ends of the cable roll 18 are respectively connected with an intercom module (or called intercom module) in the intercom (English name of FRSPMRmodule), which is a core integrated circuit for the intercom and is the most important electronic element for realizing the intercom function, and is mainly connected with a corresponding element part of communication sound transmission and a miniature microphone 19; the connection between the intercom module and the miniature microphone 19 can be easily realized by those skilled in the art, and the connection is also a common technical means in the communication field, and the detailed description of the connection is omitted here; the mini-microphone 19 can be directly a drop-shaped mini-microphone which is currently available on the market. Usually, the speaker of the intercom has a large sound, so that the intercom still can hear clearly in a long distance, but the microphone of the intercom cannot receive sound information well in a long distance any more, so that only an external microphone is arranged. If necessary, it can connect an earphone at the same time, and the micro microphone and earphone can be wireless. The wire storage groove penetrates through one end of the rear cover a away from the antenna d, a screw plug 16 is screwed at the penetrating end, and the notch of the wire storage groove is covered by a detachable sealing plate 20 to prevent the cable coil 18 from falling out; here, the sealing plate 20 is used to cover the wire storage groove, rather than forming the wire storage groove as a cylindrical hole, to facilitate replacement of the service wire coil 18.
A miniature wireless camera (not shown in the figure) is arranged right above the signal bar of the interphone and used for capturing signal icons on the signal bar, and the wireless camera is connected with an intelligent handheld terminal (a handheld device such as a mobile phone). Above-mentioned wireless camera can adopt universal flexible axle fixed, is equipped with the sucking disc in universal flexible axle bottom, and this sucking disc can adsorb on the shell of intercom to detachably sets up wireless camera for the control signal fence learns the intercom signal intensity when catching the signal.
Further, as shown in fig. 3-4, the two sections of sub-rods nested into each other of the telescopic rod b are respectively a first pull rod 4 and a second pull rod 5, the first pull rod 4 is sleeved on the upper end portion of the second pull rod 5, and the lower end of the second pull rod 5 is sleeved on the threaded section at the top end of the upright post 2; a plurality of disc spring seats 6 are symmetrically fixed on two sides of the outer wall of the second pull rod 5, grooves for mounting disc springs 7 are formed in one ends, facing the inner wall of the first pull rod 4, of the disc spring seats 6, small end faces of the disc springs 7 can extend out of the groove openings, and balls 8 are fixed on the small end faces. Two sliding grooves 401 parallel to the axis of the first pull rod 4 are symmetrically formed on two sides of the inner wall of the first pull rod 4, and a plurality of through holes 402 penetrating through the rod wall of the first pull rod 4 are formed in the groove bottom of the sliding grooves 401; when the second pull rod 5 is pulled to axially slide relatively in the first pull rod 4, the ball 8 slides in the sliding groove 401 and slides into and out of the through hole 402 under the action of the disc spring 6, and the ball 8 is partially exposed out of the first pull rod 4 and is clamped, so that the relative positions of the first pull rod 4 and the second pull rod 5 are fixed, and the length of the telescopic rod b is determined. When the position of the outer wall of the first pull rod 4 where the ball 8 is exposed is held, and the ball 8 is pressed back into the through hole 402, all the balls 8 slide out of the through hole 402 and enter the sliding groove 401 again under the pushing and pulling of an external force, so that the second pull rod 5 can slide in the first pull rod 4 so as to slide to the next through hole 402, and the purpose of adjusting the length of the telescopic rod b is achieved. In order to press the ball 8 conveniently, a soft rubber sleeve 10 can be prepared to be sleeved on the extending part of the telescopic rod b when in use, the ball 8 can be pressed conveniently, and the rubber sleeve 10 can be placed in a pocket at ordinary times.
During manufacturing, it should be noted that the elastic coefficient of the disc spring 7 is selected to match the structural dimensions of the pull rod and the ball 8, and may be obtained through multiple experiments or calculation, which is not further explained in the theoretical calculation. The structure of the telescopic rod b is stable and firm, the elastic life and the strength of the disc spring are good, and the reliability and the service life of the telescopic rod b can be improved.
It should be noted here that the first telescopic tube 11 and the second telescopic tube 12 in this embodiment can also adopt the structure of the telescopic rod b.
Further, as shown in fig. 5 to 6, the inner wall of the through hole 402 is arc-shaped, and the arc-shaped dome of the through hole is toward the central axis of the through hole 402, so that the ball 8 can smoothly slide in and out.
Further, as shown in fig. 5-6, the through hole 402 is smaller at one end of the outer wall of the first pull rod 4 than at the other end of the inner wall thereof, which not only facilitates the sliding of the ball 8 into and out of the through hole 402, but also effectively prevents the ball 8 from sliding out of the through hole 402, and the structure is more reliable compared with the connection limitation of the ball 8 by the disc spring 7.
Further, as shown in fig. 1, a clip c for hanging on the clothes is fixed on the outermost rod 1 so as to clip the intercom on the clothes or fasten the intercom on the belt, and during the manufacturing, the plastic of the clip c can be injected on the outermost rod 1, or the whole telescopic rod b is made of plastic, and the clip c and the telescopic rod b are integrally formed.
Furthermore, the inner parts of the tail ends of the innermost layer sub-pipes of the first telescopic pipe and the second telescopic pipe are respectively provided with an internal thread which can be in threaded sleeve joint with the transition pipe 13, so that each telescopic pipe can be pulled out.
Further, one end of the bandage 14 is fixed at one side edge of the groove, and the other end of the bandage bypasses the corresponding extension tube (the first extension tube 11 or the second extension tube 12) and is detachably connected with the rear cover a through a magic tape 15, although a connecting piece such as a snap fastener can also be used.
Further, as shown in fig. 1, the plug screw 16 is bolted to the intercom through an iron chain 17 to prevent the plug screw 16 from being lost.
Further, as shown in fig. 7, the sealing plate 20 is a strip-shaped plastic plate, and a flange 201 perpendicular to the plastic plate is provided on the surface of the plastic plate at the penetrating end of the storage slot, so that fingers can hook the flange 201 to pull out or insert the sealing plate 20.
Further, the thread of the sealing plate 20 on one side surface of the wire storage groove and the thread arranged on the groove wall of the wire storage groove penetrating end at the corresponding position jointly form a complete threaded hole, and the threaded hole is matched with the screw plug 16.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a multi-functional intercom which characterized in that: the back cover of the interphone is provided with a telescopic rod which is arranged along the length direction of the interphone; the telescopic rod is composed of a plurality of sub rods which are nested with each other, the sub rods are all made of round tubes, the sub rods positioned on the outermost layer are fixedly embedded in a strip-shaped groove of a rear cover of the interphone, a pull ring made of a round ring is fixed at the tail end of the sub rod positioned on the innermost layer, the groove penetrates through one end, away from the antenna, of the rear cover, so that the sub rods except the outermost layer can extend out of the groove, and the pull ring is positioned outside the groove; the pull ring is connected with one end of the transition pipe, and the other end of the transition pipe is inserted into the tail end of the sub-rod at the innermost layer and is in threaded sleeve joint with the tail end;
two sides of the groove of the rear cover are respectively provided with a groove which is parallel to the groove, a first telescopic pipe and a second telescopic pipe are respectively arranged in the two grooves, and the two telescopic pipes are respectively fixed in the grooves in a dismountable way by a bandage which crosses the grooves; the top end of the outermost sub-pipe of the first telescopic pipe can be inserted into the tail end of the innermost sub-rod of the telescopic rod and is in threaded sleeve joint with the tail end of the innermost sub-rod of the telescopic rod, and the tail end of the innermost sub-pipe of the first telescopic pipe can be inserted into the top end of the outermost sub-pipe of the second telescopic pipe and is in threaded sleeve joint with the top end of the outermost sub-pipe of the second telescopic pipe;
a strip-shaped wire storage groove is arranged in parallel between the groove where the first telescopic pipe is arranged and the groove where the telescopic rod is arranged, a spiral cable coil is arranged in the wire storage groove along the length direction of the wire storage groove, and two ends of the cable coil are respectively connected with an intercom module and a miniature microphone in the intercom; the penetrating end of the wire storage groove penetrates through one end, far away from the antenna, of the rear cover, a screw plug is screwed at the penetrating end, and a notch of the wire storage groove is covered by a detachable sealing plate to prevent the cable from rolling out;
the intelligent interphone is characterized in that a miniature wireless camera is arranged right above a signal bar of the interphone and used for capturing signal icons on the signal bar, the wireless camera is connected with the intelligent handheld terminal, and the wireless camera is fixed through a universal flexible shaft.
2. The multi-functional intercom of claim 1, wherein: each pair of two nested sub-rods or two nested sub-tubes of the telescopic rod and the first telescopic tube and the second telescopic tube are respectively a first pull rod and a second pull rod, and the first pull rod is sleeved on the second pull rod; a plurality of disc spring seats are symmetrically fixed on two sides of the outer wall of the second pull rod, grooves for mounting disc springs are formed in one ends, facing the inner wall of the first pull rod, of the disc spring seats, small end faces of the disc springs can extend out of the groove openings of the grooves, and balls are fixed on the small end faces; two sliding grooves parallel to the axis of the first pull rod are symmetrically formed in two sides of the inner wall of the first pull rod, and a plurality of through holes penetrating through the wall of the first pull rod are formed in the bottoms of the sliding grooves; when the second pull rod is pulled to axially and relatively slide in the first pull rod, the ball slides in the sliding groove and slides into and extends out of the through hole under the action of the disc spring, so that the relative positions of the first pull rod and the second pull rod are fixed; when the ball is pressed back into the through hole at the position where the ball is exposed on the outer wall of the first pull rod, all the balls slide out of the through hole and can enter the sliding groove again.
3. The multi-functional intercom of claim 2, wherein: the inner wall of the perforation is arc-shaped, and the arc vault of the perforation faces the central axis of the perforation.
4. The multi-function interphone of claim 3, wherein: the end of the through hole, which is positioned on the outer wall of the first pull rod, is smaller than the end of the through hole, which is positioned on the inner wall of the through hole.
5. The multi-functional intercom of claim 1, wherein: and a clamp used for being hung on clothes is fixed on the sub-rod on the outermost layer.
6. The multi-function interphone of claim 1, wherein: the inner parts of the tail ends of the innermost layer sub-pipes of the first telescopic pipe and the second telescopic pipe are respectively provided with an internal thread which can be in threaded sleeve joint with the transition pipe.
7. The multi-functional intercom of claim 6, wherein: one end of the bandage is fixed on the edge of one side of the groove, and the other end of the bandage bypasses the corresponding telescopic pipe and is detachably connected with the rear cover through the magic tape.
8. The multi-functional intercom of claim 1, wherein: the plug screw is bolted to the interphone through an iron chain.
9. The multi-functional intercom of claim 8, wherein: the sealing plate is a strip-shaped plastic plate, and a flange perpendicular to the plastic plate body is arranged on the surface of the plastic plate, which is positioned at the penetrating end of the storage line groove.
10. The multi-functional intercom of claim 9, wherein: the thread of the sealing plate on one side surface of the wire storage groove and the thread arranged on the groove wall of the wire storage groove penetrating end at the corresponding position jointly form a complete threaded hole, and the threaded hole is matched with the screw plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496407.1A CN107294556B (en) | 2017-06-26 | 2017-06-26 | Multifunctional interphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496407.1A CN107294556B (en) | 2017-06-26 | 2017-06-26 | Multifunctional interphone |
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| CN107294556A CN107294556A (en) | 2017-10-24 |
| CN107294556B true CN107294556B (en) | 2022-12-23 |
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| CN201710496407.1A Active CN107294556B (en) | 2017-06-26 | 2017-06-26 | Multifunctional interphone |
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