CN207835442U - Talkback unit shell and talkback unit - Google Patents
Talkback unit shell and talkback unit Download PDFInfo
- Publication number
- CN207835442U CN207835442U CN201820309018.3U CN201820309018U CN207835442U CN 207835442 U CN207835442 U CN 207835442U CN 201820309018 U CN201820309018 U CN 201820309018U CN 207835442 U CN207835442 U CN 207835442U
- Authority
- CN
- China
- Prior art keywords
- card slot
- panel
- bottom case
- sliding
- talkback unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a kind of talkback unit shell and talkback unit, it is related to the technical field of communication apparatus, the talkback unit shell includes bottom case and panel, the first card slot is provided on bottom case, it is provided with hook structure on the bottom surface of panel, hook structure includes elongated portion and insertion section, and elongated portion is vertical with panel, and insertion section is for being plugged in the first card slot；The second card slot is provided on bottom case, and side is opposite with side where the second card slot where the first card slot；Slide-and-lock mechanism is provided on panel, slide-and-lock mechanism includes fixing piece, bolt, spring, sliding block, and fixing piece is fixed on panel, and one end that through-hole bolt is provided on fixing piece is connect after through-hole with sliding block；Spring is socketed in the outside of bolt, and one end of spring is against on fixing piece, and the other end is against on sliding block；Sliding block includes lock tongue corresponding with the second card slot, and spring is for pushing sliding block, so that lock tongue is extend into the second card slot.
Description
Technical field
The utility model is related to the technical fields of communication apparatus, are filled more particularly, to a kind of talkback unit shell and intercommunication
It sets.
Background technology
Intercom system is common in the places such as residential area, bank, elevator, can effectively improve communication efficiency.
Talkback unit, which generally requires, to be fixed on metope, there is multiple and close surface of wall lead on the bottom case of talkback unit
Hole, also multiple metal upright posts for fixing intercommunication panel, column top have the screw thread of indent to be used for screwing screw, usually first
It is tightened after surface of wall after the bottom case of talkback unit is passed through through-hole with metal screws, then by talkback unit panel
Multiple screw holes by after screw means, panel is fastened on shell.
Existing surface-type mounting means has the following disadvantages：The multiple metal upright posts riveted on bottom case are susceptible to center
Point off-set phenomenon when the deviation of negative direction plus tolerance occur in multiple metal upright posts, will appear screw assembly when fixed panel
Incomplete phenomena, or even there is screw directly to the internal thread hole less than the metal upright post on bottom case, it causes not assembling.
Utility model content
The purpose of this utility model is to provide a kind of talkback unit shell and talkback unit, to alleviate existing intercommunication
Apparatus casing is susceptible to screw when assembling and assembles technical problem not in place.
In a first aspect, a kind of talkback unit shell that the utility model embodiment provides, including：Bottom case and panel, it is described
Panel for buckle closure the bottom case opening；
It is provided with the first card slot on the inner wall of the first side of the bottom case, grab knot is provided on the bottom surface of the panel
Structure, the hook structure include elongated portion and insertion section, and the elongated portion is vertical with the panel, and the insertion section is used for grafting
In first card slot；
Be provided with the second card slot on the inner wall of the second side of the bottom case, and side where first card slot with it is described
Side where second card slot is opposite；
Slide-and-lock mechanism is provided on the panel, the slide-and-lock mechanism includes fixing piece, bolt, spring, cunning
Block, the fixing piece are fixed on panel, and through-hole, the length direction of the through-hole and the panel are provided on the fixing piece
Place plane is parallel, and one end of the bolt is connect after the through-hole with the sliding block；The spring is socketed in the spiral shell
The outside of bolt, and one end of the spring is against on the fixing piece, the other end is against on sliding block；The sliding block include with it is described
The corresponding lock tongue of second card slot, the spring is for pushing the sliding block, so that the lock tongue is extend into second card slot.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the screw portion between the nut and sliding block of the bolt is socketed with sliding sleeve, and the sliding sleeve is for preventing the spring to be caught in
In thread pitch on bolt.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, second card slot towards being correspondingly arranged on guiding sliding bevel on the end face of the bottom case opening direction and the lock tongue,
So that the lock tongue is after the guiding sliding bevel, the spring is compressed.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, the bottom case includes shell main body and the first fastener, and first fastener is fixedly connected on the first side wall of the shell main body,
First card slot is located on first fastener.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein the first sliding groove is provided on first fastener, first card slot is slided with described first
Slot intersects；
The width of the first sliding groove is of same size with the elongated portion；First fastener is towards the second side
End face the transition position of the inner side edge of the first sliding groove be provided with guiding be aligned inclined-plane, and along the first sliding groove depth side
To the distance between two guiding alignment inclined-planes are gradually reduced, so that the insertion section is aligned for insertion into first card
In slot.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein the bottom case includes the second fastener, and second fastener is fixedly connected on the shell main body
Second side inner wall on, and second card slot is located on second fastener.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein second sliding slot is provided on second fastener, second card slot is slided with described second
Slot intersects, so that the lock tongue slides into after second sliding slot length direction sliding in second card slot；
The width of the second sliding slot is of same size with the lock tongue；Second fastener is towards the bottom case opening side
To end face be inclined-plane, and second fastener is towards the inner side edge of the end face and the second sliding slot of the bottom case opening direction
Transition position be provided with fillet so that the lock tongue conveniently enters in the second sliding slot.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the bottom surface of the panel is provided with grooving, and the grooving is connected to the peripheral side of the panel, the depth of the grooving
Direction is parallel with the glide direction of the sliding block；
The grooving is fallen along the projection of its own length direction on the sliding block, and the bottom of the sliding block and the grooving
Face has gap；
The talkback unit shell includes push rod, and the push rod pushes the sliding block by the grooving, so that the lock
Tongue leaves second card slot.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, the elongated portion is towards elasticity layer is arranged on the face of first card slot, for preventing panel from shaking；
For the bottom case opening edge along the limiting groove to concave is provided with, the limiting groove is corresponding with the panel；
The first side of the bottom case is extended outward towards the edge of opening direction the first outer edge；The bottom
The second side of shell is extended outward towards the edge of opening direction the second outer edge；
It is provided on the panel with the bottom case opening edge along corresponding sealing strip, after increasing the panel closure
Leakproofness.
Second aspect, a kind of talkback unit that the utility model embodiment provides, including intercom system and above-mentioned intercommunication
Device case.
The utility model embodiment brings following advantageous effect：
The talkback unit shell that the utility model embodiment provides, including：Bottom case and panel, panel is for buckle closure described
In the opening of bottom case, its interphone system is protected.The first card slot, face are provided on the inner wall of the first side of bottom case
It is provided with hook structure on the bottom surface of plate, the hook structure includes elongated portion and insertion section, the elongated portion and the panel
Vertically, insertion section is for being plugged in first card slot.The second card slot is provided on the inner wall of the second side of bottom case, the
One card slot is oppositely arranged with the second card slot.Be provided with slide-and-lock mechanism on panel, the slide-and-lock mechanism include fixing piece,
Bolt, spring, sliding block, fixing piece are fixed on the bottom surface of panel, are provided with through-hole on fixing piece, the length direction of through-hole with
Plane where the panel is parallel, and one end of bolt initially passes through the through-hole, is then connect with sliding block, and spring is socketed in the spiral shell
The outside of bolt, and one end of the spring is against on the fixing piece, the other end is against on sliding block.Sliding block includes and described second
The corresponding lock tongue of card slot, the spring can be such that the lock tongue extend into second card slot for pushing the sliding block.It should
The closing course of talkback unit shell is specially：First the insertion section of hook structure is extend into the first card slot, then descends pressure surface
The other end of plate, lock tongue can be moved inwardly, and spring is compressed, and when lock tongue moves to the second card slot opening, spring elongation pushes away
Movable slider can be such that lock tongue enters in the second card slot, and panel is locked and is fixed in the opening of bottom case.It is filled using above-mentioned buckle
Match, it is easy for installation.
A kind of talkback unit that the utility model embodiment provides, including intercom system and above-mentioned talkback unit shell.
Talkback unit shell uses snap-fitted, easy for installation.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of the panel for the talkback unit shell that the utility model embodiment 1 provides；
Fig. 2 is the schematic diagram of the bottom case for the talkback unit shell that the utility model embodiment 1 provides；
Fig. 3 is the partial enlarged view of location A in Fig. 2；
Fig. 4 is the sectional view for the talkback unit shell that the utility model embodiment 1 provides；
Fig. 5 is the partial enlarged view of B location in Fig. 4；
Fig. 6 is the partial enlarged view of location of C in Fig. 4；
Fig. 7 is the schematic diagram of the bottom case for the talkback unit shell that the utility model embodiment 2 provides；
Fig. 8 is the partial enlarged view of the positions D in Fig. 7；
Fig. 9 is the partial enlarged view of the positions E in Fig. 7；
Figure 10 is the sectional view for the talkback unit shell that the utility model embodiment 2 provides；
Figure 11 is the partial enlarged view of the positions F in Figure 10；
Figure 12 is the partial enlarged view of the positions G in Figure 10.
Icon：100- panels；110- hook structures；111- elongated portions；1111- elastic layers；The insertion sections 112-；120- is dug
Slot；130- slide-and-locks mechanism；131- fixing pieces；132- bolts；133- springs；134- lock tongues；135- sliding sleeves；200- bottom cases；
The first card slots of 210-；The second card slots of 220-；230- limiting grooves；310- is oriented to sliding bevel；400- push rods；The first outsides 510-
Edge；The second outer edges of 520-；600- sealing strips；The first fasteners of 710-；711- the first sliding grooves；712- is oriented to alignment inclined-plane；720-
Second fastener；721- second sliding slots；722- fillets.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
The orientation or positional relationship on " right side ", "vertical", "horizontal", "inner", "outside" etc., instruction is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, device or element are not indicated or implied the indicated
It must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
The utility model provides a kind of talkback unit shell, and multiple embodiments are given below to provided by the utility model
The structure of talkback unit shell is described in detail.
Embodiment 1
As shown in figures 1 to 6, the talkback unit shell that the utility model embodiment provides, including：Bottom case 200 and panel 100,
Panel 100, in the opening of the bottom case 200, its interphone system is protected for buckle closure.First side of bottom case 200
It is provided with the first card slot 210 on the inner wall in face, hook structure 110, the hook structure 110 are provided on the bottom surface of panel 100
Including elongated portion 111 and insertion section 112, the elongated portion 111 is vertical with the panel 100, and insertion section 112 is for being plugged on institute
It states in the first card slot 210.The second card slot 220, the first card slot 210 and are provided on the inner wall of the second side of bottom case 200
Two draw-in groove 220 is oppositely arranged.Slide-and-lock mechanism 130 is provided on panel 100, the slide-and-lock mechanism 130 includes fixing
Part 131, bolt 132, spring 133, sliding block, fixing piece 131 are fixed on the bottom surface of panel 100, are provided on fixing piece 131
Through-hole, the length direction of through-hole is parallel with 100 place plane of the panel, and one end of bolt 132 initially passes through the through-hole, then
It is connect with sliding block, spring 133 is socketed in the outside of the bolt 132, and one end of the spring 133 is against the fixing piece
On 131, the other end is against on sliding block.Sliding block includes lock tongue 134 corresponding with second card slot 220, and the spring 133 is used for
The sliding block is pushed, the lock tongue 134 can be made to extend into second card slot 220.The closure of the talkback unit shell
Journey is specially：First the insertion section 112 of hook structure 110 is extend into the first card slot 210, then pushes the another of panel 100
End, lock tongue 134 can be moved inwardly, and spring 133 is compressed, when lock tongue 134 moves to 220 opening of the second card slot, spring 133
Elongation pushes sliding block, lock tongue 134 can be made to enter in the second card slot 220, by 100 locked and fixed of panel opening in bottom case 200
On mouth.It is easy for installation using above-mentioned snap-fitted.
The depth of second card slot 220 is more than the length of the lock tongue 134 so that lock tongue 134 can protrude fully into it is described
In second card slot 220.
In the scheme that one can implement, the screw portion between the nut and sliding block of bolt 132 is socketed with sliding sleeve
135,135 outer wall of sliding sleeve is smooth, and sliding sleeve 135 is for preventing the spring 133 to be caught in the thread pitch on bolt 132.Sliding sleeve
135 can connect with screw flight.
In order to allow the closure of panel 100 that lock tongue 134 to be made automatically to be moved towards 132 direction of bolt, 220 direction of the second card slot
It is correspondingly arranged on the end face of 200 opening direction of the bottom case and the lock tongue 134 and is oriented to sliding bevel 310, when lock tongue 134 connects
When contacting the guiding sliding bevel 310 on the second card slot 220, lock tongue 134 can be pushed gradually, and spring 133 is compressed, when
When panel 100 is open concordant with bottom case 200, lock tongue 134 moves at the second card slot 220, the elastic force of spring 133 drive sliding block to
Second card slot, 220 direction moves.
The bottom surface of panel 100 is provided with grooving 120, and the grooving 120 is connected to the peripheral side of the panel 100,
The depth direction of grooving 120 is parallel with the glide direction of the sliding block；The grooving 120 is fallen along the projection of its own length direction
On the sliding block, and the sliding block and the bottom surface of the grooving 120 have gap.Talkback unit shell includes push rod 400, will
Push rod 400 is extend into grooving 120, can push sliding block, and to make lock tongue 134 leave the second card slot 220, panel 100 can
It is opened.Why sliding block is set with the bottom surface of grooving 120 there are gap, is that other people use size ratio push rod 400 in order to prevent
Small bar opens panel 100 and is provided with avoid holes on bottom case 200 in the present embodiment, so that push rod 400 passes through.
Can be towards setting elasticity layer 1111, elastic layer 1111 on the face of first card slot 210 in elongated portion 111
Silica gel material, on the one hand, for preventing panel 100 from shaking, on the other hand, panel 100 is made to be interference fitted with bottom case 200.
200 opening edge of bottom case edge is provided with the limiting groove 230 to concave, the limiting groove 230 and the panel 100
Size corresponds to, and after panel 100 is placed on limiting groove 230, the upper surface of panel 100 is concordant with the upper surface of bottom case 200, limit
Groove 230 can play certain position-limiting action, prevent panel 100 from shaking.
The first side of bottom case 200 is extended outward towards the edge of opening direction the first outer edge 510；It is described
The second side of bottom case 200 is extended outward towards the edge of opening direction the second outer edge 520.First outer edge
510 and second outer edge 520 can be used for bright dress and use, you can to use bolt that talk back equipment is fixed on wall across outer edge
On face.
In order to increase waterproof seal, it is provided on panel 100 with 200 opening edge of the bottom case along corresponding sealing strip
600, the material of sealing strip 600 can be foamed silica gel item or gum foams EVA, it is close after the panel 100 is closed to increase
Feng Xing.
Embodiment 2
As shown in fig.7-12, difference from Example 1 is, bottom case 200 includes shell main body and the first fastener 710, the
One fastener 710 is fixedly connected on the first side wall of the shell main body, and first card slot 210 is located at first fastener 710
On.Screw connection may be used with shell main body in first fastener 710.
The first sliding groove 711 is provided on first fastener 710, the first card slot 210 is on the sliding path of the first sliding groove 711.
In order to which mode hook structure 110 is inserted into double swerve after the first card slot 210, the width of the first sliding groove 711 and the elongated portion
111 it is of same size, play the role of limit.First fastener 710 is towards the end face of the second side and the first sliding groove
The transition position of 711 inner side edge is provided with guiding alignment inclined-plane 712, and along 711 depth direction of the first sliding groove, described in two
It is oriented to the distance between alignment inclined-plane 712 to be gradually reduced, the insertion section 112 can be made to be aligned for insertion into first card slot
In 210.
Bottom case 200 includes the second fastener 720, and second fastener 720 is fixedly connected on the second side of the shell main body
Inner wall on, and second card slot 220 is located on second fastener 720.Spiral shell may be used with shell main body in second fastener 720
Silk connection.
Second sliding slot 721 is provided on second fastener 720, the second card slot 220 intersects with the second sliding slot 721, can be with
The lock tongue 134 is set to be slid into second card slot 220 after the sliding of 721 length direction of the second sliding slot.Second sliding slot 721
Width and the lock tongue 134 it is of same size.
Second fastener 720 towards the end face of 200 opening direction of the bottom case be inclined-plane, and 720 direction of the second fastener
The transition position of the end face of 200 opening direction of the bottom case and the inner side edge of the second sliding slot 721 is provided with fillet 722, can be with
The lock tongue 134 is set conveniently to enter in the second sliding slot 721.
Preferably, as Figure 7-9, the first fastener 710 and the second fastener 720 can be the identical workpiece of structure, only
When assembly, it is opposite that the first fastener 710 is oriented to the direction of end face with the wedge shape on the second fastener 720.It in this way can be with
The processing for facilitating workpiece increases the versatility of workpiece.
A kind of talkback unit that the utility model embodiment provides, including intercom system and above-mentioned talkback unit shell.
Talkback unit shell uses snap-fitted, easy for installation.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of talkback unit shell, which is characterized in that including：Bottom case and panel, the panel is for buckle closure in the bottom case
Opening on；
It is provided with the first card slot on the inner wall of the first side of the bottom case, hook structure is provided on the bottom surface of the panel,
The hook structure includes elongated portion and insertion section, and the elongated portion is vertical with the panel, and the insertion section is for being plugged on
In first card slot；
The second card slot, and side and described second where first card slot are provided on the inner wall of the second side of the bottom case
Side where card slot is opposite；
Slide-and-lock mechanism is provided on the panel, the slide-and-lock mechanism includes fixing piece, bolt, spring, sliding block, institute
It states fixing piece to be fixed on panel, through-hole, the length direction of the through-hole and panel place is provided on the fixing piece
Plane is parallel, and one end of the bolt is connect after the through-hole with the sliding block；The spring is socketed in the bolt
Outside, and one end of the spring is against on the fixing piece, the other end is against on sliding block；The sliding block includes and described second
The corresponding lock tongue of card slot, the spring is for pushing the sliding block, so that the lock tongue is extend into second card slot.
2. talkback unit shell according to claim 1, which is characterized in that the spiral shell between the nut and sliding block of the bolt
Bar part is socketed with sliding sleeve, and the sliding sleeve is for preventing the spring to be caught in the thread pitch on bolt.
3. talkback unit shell according to claim 1, which is characterized in that second card slot is open towards the bottom case
It is correspondingly arranged on guiding sliding bevel on the end face in direction and the lock tongue, so that the lock tongue passes through the guiding sliding bevel
Afterwards, the spring is compressed.
4. talkback unit shell according to claim 1, which is characterized in that the bottom case includes shell main body and the first card
Part, first fastener are fixedly connected on the first side wall of the shell main body, and first card slot is located at first fastener
On.
5. talkback unit shell according to claim 4, which is characterized in that be provided with the first cunning on first fastener
Slot, first card slot intersect with the first sliding groove；
The width of the first sliding groove is of same size with the elongated portion；First fastener is towards the end of the second side
Face and the transition position of the inner side edge of the first sliding groove are provided with guiding and are aligned inclined-plane, and along the first sliding groove depth direction,
The distance between two guiding alignment inclined-planes are gradually reduced, so that the insertion section is aligned for insertion into first card slot
It is interior.
6. talkback unit shell according to claim 5, which is characterized in that the bottom case includes the second fastener, and described the
Two fasteners are fixedly connected on the inner wall of the second side of the shell main body, and second card slot is located at second fastener
On.
7. talkback unit shell according to claim 6, which is characterized in that be provided with the second cunning on second fastener
Slot, second card slot intersect with the second sliding slot, so that the lock tongue is sliding after second sliding slot length direction sliding
Enter in second card slot；
The width of the second sliding slot is of same size with the lock tongue；Second fastener is towards the bottom case opening direction
End face is inclined-plane, and second fastener is towards the mistake of the end face of the bottom case opening direction and the inner side edge of the second sliding slot
The place of crossing is provided with fillet, so that the lock tongue conveniently enters in the second sliding slot.
8. talkback unit shell according to claim 1, which is characterized in that the bottom surface of the panel is provided with grooving, and
The grooving is connected to the peripheral side of the panel, and the depth direction of the grooving is parallel with the glide direction of the sliding block；
The grooving is fallen along the projection of its own length direction on the sliding block, and the sliding block and the bottom surface of the grooving have
There is gap；
The talkback unit shell includes push rod, and the push rod pushes the sliding block by the grooving so that the lock tongue from
Open second card slot.
9. talkback unit shell according to claim 1, which is characterized in that the elongated portion is towards first card slot
Elasticity layer is set on face, for preventing panel from shaking；
For the bottom case opening edge along the limiting groove to concave is provided with, the limiting groove is corresponding with the panel；
The first side of the bottom case is extended outward towards the edge of opening direction the first outer edge；The bottom case
Second side is extended outward towards the edge of opening direction the second outer edge；
It is provided on the panel with the bottom case opening edge along corresponding sealing strip, to increase the sealing after the panel is closed
Property.
10. a kind of talkback unit, which is characterized in that filled including intercom system and intercommunication described in any one of claim 1-9
Set shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264794 | 2018-02-23 | ||
| CN2018202647946 | 2018-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835442U true CN207835442U (en) | 2018-09-07 |
Family
ID=63398899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820309018.3U Active CN207835442U (en) | 2018-02-23 | 2018-03-06 | Talkback unit shell and talkback unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207835442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557163A (en) * | 2019-09-25 | 2019-12-10 | 陈梅华 | Big data cloud intercom device convenient to installation |
-
2018
- 2018-03-06 CN CN201820309018.3U patent/CN207835442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557163A (en) * | 2019-09-25 | 2019-12-10 | 陈梅华 | Big data cloud intercom device convenient to installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207835442U (en) | Talkback unit shell and talkback unit | |
| CN108123730A (en) | Talkback unit housing and talkback unit | |
| CA2035706A1 (en) | Snap closing panel holder | |
| US4105233A (en) | Window and door lock | |
| CN203106249U (en) | School desk | |
| CN108716348A (en) | A kind of rope hanging slides up and down sliding window | |
| CN205060298U (en) | Side opening turnover case | |
| CN103711264A (en) | Cover plate device of upper manhole | |
| CN203669544U (en) | Novel sliding door/window hook lock | |
| CN100449455C (en) | Hook structure | |
| CN109083490A (en) | Multi-functional double cave bone ash storage frames | |
| CN210396019U (en) | Detachable access door convenient to open and close | |
| CN213510042U (en) | Self-locking device of switch cabinet | |
| CN210095398U (en) | Socket of umbrella hanging rack | |
| CN215190823U (en) | Novel hidden curtain rail structure | |
| CN215718256U (en) | Sealing door plate for automatic equipment | |
| CN209028692U (en) | A kind of self-opening door in wisdom parking lot sentry box | |
| CN211629722U (en) | Metal-enclosed switch cabinet with dustproof structure | |
| CN202176179U (en) | Door lock device of switch cupboard | |
| CN210854834U (en) | Elevator control cabinet convenient to overhaul and maintain | |
| AU2019101629A4 (en) | Latches for latching tempered glass doors for swimming pools | |
| CN209066999U (en) | A kind of multi-functional double cave bone ash storage frames | |
| CN207194158U (en) | A kind of box type movable board house and its ceiling board | |
| CN203515070U (en) | Household inclined pushing lock structure | |
| CN207679018U (en) | A kind of T-square placing box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 70, Nantang Road, Lugu street, Changsha, Hunan 410000 Patentee after: Shibang Communication Co., Ltd Address before: No. 70, Nantang Road, Lugu street, Changsha, Hunan 410000 Patentee before: CHANGSHA SPON COMMUNICATION TECHNOLOGY CO.,LTD. |