CN205476997U - Anti -theft chain - Google Patents
Anti -theft chain Download PDFInfo
- Publication number
- CN205476997U CN205476997U CN201521119607.8U CN201521119607U CN205476997U CN 205476997 U CN205476997 U CN 205476997U CN 201521119607 U CN201521119607 U CN 201521119607U CN 205476997 U CN205476997 U CN 205476997U
- Authority
- CN
- China
- Prior art keywords
- chain cover
- shaped bracket
- chain
- compression spring
- push rod
- 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.)
- Expired - Fee Related
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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses an anti -theft chain, including slot and chain cover, run through on the lateral wall of chain cover and seted up the slide, the slide narrows down from top to bottom gradually, is equipped with the limiting plate on the inner wall upper portion of chain cover, and the limiting plate below is equipped with I -shaped bracket, wears to be equipped with automatic telescoping device on I -shaped bracket's the riser, and the lower extreme that is connected with compression spring II, compression spring II at I -shaped bracket's lower extreme passes through the lower part fixed connection of spring holder and chain cover, the one end of slot be used for with door frame fixed connection, the other end of slot is used for chain cover in with I -shaped bracket's up end cooperation downwards pressing down I -shaped bracket so that I -shaped template when moving down to an allocation through getting into behind the slide, exposes in the switch hole that the tip of automatic telescoping device set up from chain cover one side, makes the chaining be in the locking state. The utility model discloses the switch can easily be realized to the slide that is equipped with automatic telescoping device and narrows down gradually from top to bottom.
Description
Technical field
This utility model relates to one way of life articles for use, concretely relates to a kind of door chain.
Background technology
Door chain used on family security door is typically to play the effect that auxiliary is antitheft, and it is arranged on the inner side of door, is possible to prevent the people opened the door to suffer attack outdoors.
At present conventional in family antitheft door chaining, the upper and lower wide structure of the many employings of its slideway, need by slot above slideway cocked after can realize opening chaining, mode of operation more bothers.And existing antitheft door chaining is many does not possess sound prompt function, therefore owner forgets that the thing closing antitheft door chaining often occurs, therefore design one can easily realize opening and closing, and the Anti-theft door chaining tool with sound prompt function becomes current problem demanding prompt solution.
Utility model content
This utility model is mainly for the problem solving above-mentioned existence, it is provided that a kind of door chain, and it is provided with automatic extending-contracting apparatus and the slideway become narrow gradually from top to bottom, and can easily realize switch.
For the problem solving above-mentioned existence, this utility model be the technical scheme is that a kind of door chain, including slot and chain cover, the sidewall of chain cover runs through and offers slideway, described slideway becomes narrow gradually from top to bottom, upper inside wall at chain cover is provided with limiting plate, I-shaped bracket it is provided with below limiting plate, it is equipped with automatic extending-contracting apparatus on the riser of I-shaped bracket, connecting in the lower end of I-shaped bracket and have compression spring II, the lower end of compression spring II is connected by spring base is fixing with the bottom of chain cover；One end of slot is connected for fixing with doorframe, the other end of slot for by enter after slideway coordinate with the upper surface of I-shaped bracket in chain cover press down on I-shaped bracket so that I-shaped bracket is moved downward to certain position time, the end of automatic extending-contracting apparatus is exposed in the switch hole that chain cover side is arranged, and makes chaining be in lockup state.
As improving further, described chain cover bottom is provided with dividing plate, the lower end of compression spring II is arranged on described dividing plate by spring base, described dividing plate upper surface is provided with touching button, signal processing apparatus and alarm device it is provided with in cavity below dividing plate, one end that pressing slot coordinates with chain cover makes it be moved to bottom by slideway top, with extruding I-shaped bracket be moved downward to the lower end of I-shaped bracket touch touching button time, the end of automatic extending-contracting apparatus is exposed in the switch hole that chain cover side is arranged, now the touching signal of acquisition is transferred to signal processing apparatus by touching button, this signal is sent, by alarm device, the voice that prompting chaining has locked by signal processing apparatus again, the outer wall of described chain cover is additionally provided with the voice hole for releasing this alarm voice.
As improving further, described automatic extending-contracting apparatus includes push rod, the compression spring I being set on push rod and the baffle plate being arranged on push rod, described push rod passes riser the reciprocable of I-shaped bracket, compression spring I one end is resisted against on riser, the other end is resisted against on baffle plate, one end coordinated with chain cover of pressing slot makes it be moved to bottom by slideway top, with extruding I-shaped bracket be moved downward to its lower end touch touching button time, the head of push rod exposes in the switch hole that chain cover side is arranged, alarm device sends the voice that prompting chaining has locked.
As further improving, the head of described push rod is spherical shape.
What this utility model was brought has the beneficial effect that
1, being provided with the slideway of automatic extending-contracting apparatus and special construction, slideway becomes narrow gradually from top to bottom, and this utility model can easily realize opening and closing of antitheft door chaining；
2, it is provided with sound prompt function, after opening and closing antitheft door chaining, " chaining is opened " and the prompt tone of " chaining locks " can be sent respectively.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of chain cover.
Fig. 3 is the side view of Fig. 2.
Labelling in figure: 1, door, 2, doorframe, 3, slot, 4, chain cover, 401, slideway, 402, voice hole, 403, switch hole, 5, limiting plate, 6, I-shaped bracket, 601, riser, 7, automatic extending-contracting apparatus, 701, push rod, 7011, head, 702, compression spring I, 703, baffle plate, 8, compression spring II, 9, dividing plate, 10, touching button, 11, signal processing apparatus, 12, alarm device.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
As shown in the figure, a kind of door chain, including slot 3 and chain cover 4, chain cover 4 is fixedly installed on inside door 1, the sidewall of chain cover 4 runs through and offers slideway 401, described slideway 401 becomes narrow gradually from top to bottom, upper inside wall at chain cover 4 is provided with limiting plate 5, I-shaped bracket 6 it is provided with below limiting plate 5, it is equipped with automatic extending-contracting apparatus 7 on the riser 601 of I-shaped bracket 6, connecting in the lower end of I-shaped bracket 6 and have compression spring II 8, the lower end of compression spring II 8 is connected by spring base is fixing with the bottom of chain cover 4；One end of slot 3 is connected for fixing with doorframe 2, the other end of slot 3 for by enter after slideway 401 coordinate with the upper surface of I-shaped bracket 6 in chain cover 4 press down on I-shaped bracket 6 so that I-shaped bracket 6 is moved downward to certain position time, the end of automatic extending-contracting apparatus 7 is exposed in the perforate that chain cover 4 side is arranged, and makes chaining be in lockup state.The end of pressing automatic extending-contracting apparatus 7 so that it is entering into chain cover 4 internal to depart from the stop of perforate, compression spring II 8 pops up and drive I-shaped bracket 6 upwards jack-up, and chaining is in open mode.The end of pressing automatic extending-contracting apparatus 7 so that it is entering into chain cover 4 internal to depart from the stop of perforate, compression spring II 8 pops up and drive I-shaped bracket 6 upwards jack-up, and chaining is in open mode.
nullDescribed chain cover 4 bottom is provided with dividing plate 9，The lower end of compression spring II 8 is arranged on described dividing plate 9 by spring base，Described dividing plate 9 upper surface is provided with touching button 10，Signal processing apparatus 11 and alarm device 12 it is provided with in cavity below dividing plate 9，One end that pressing slot 3 coordinates with chain cover 4 makes it be moved to bottom by slideway 401 top，With extruding I-shaped bracket 6 be moved downward to the lower end of I-shaped bracket 6 touch touching button 10 time，The end of automatic extending-contracting apparatus 7 is exposed in the switch hole 403 that chain cover 4 side is arranged，Now the touching signal of acquisition is transferred to signal processing apparatus 11 by touching button 10，This signal is sent the voice of prompting " chaining locks " by signal processing apparatus 11 again by alarm device，The outer wall of described chain cover 4 is additionally provided with the voice hole 402 for releasing this alarm voice；
The end of pressing automatic extending-contracting apparatus 7, make it into chain cover 4 internal to depart from the stop of perforate, compression spring II 8 pops up and drives I-shaped bracket 6 upwards jack-up, now touching button 10 departs from I-shaped bracket 6, the signal of acquisition is transferred to signal processing apparatus 11 by it, and this signal is sent the voice of prompting " chaining is opened " by signal processing apparatus 11 again by alarm device.Be provided with automatic extending-contracting apparatus and by installation of slide track be the structural benefit become narrow gradually from top to bottom be can easily realize open and close door chain.
Described automatic extending-contracting apparatus 7 includes push rod 701, the compression spring I 702 being set on push rod 701 and the baffle plate 703 being arranged on push rod 701, described push rod 701 is through the riser 601 also reciprocable of I-shaped bracket 6, compression spring I 702 one end is resisted against on riser 601, the other end is resisted against on baffle plate 703, one end coordinated with chain cover 4 of pressing slot 3 makes it be moved to bottom by slideway 401 top, with extruding I-shaped bracket 6 be moved downward to its lower end touch touching button 10 time, the head 7011 of push rod 701 exposes in the switch hole 403 that chain cover 4 side is arranged, alarm device sends the voice of prompting " chaining locks ".
The head 7011 of described push rod 701 is in spherical shape, the head 7011 of described push rod 701 is in spherical shape, when chaining opened by needs, only need to press the head 7011 of push rod 701, making it into the inside of inner housing 402 thus depart from the barrier effect of perforate, now, compression spring II 8 is due to elastic reset effect, by the I-shaped bracket 6 upwards jack-up of its upper end, until I-shaped bracket 6 upper plate touches limiting plate 5.Owing to compression spring II 8 moves up, departing from touching button 10, now the touching signal of acquisition is transferred to signal processing apparatus 11 by touching button 10, and this signal is sent the voice of prompting " chaining is opened " by signal processing apparatus 11 again by alarm device 12.
Claims (4)
1. a door chain, including slot (3) and chain cover (4), runs through on the sidewall of chain cover (4) and offers slideway (401), it is characterised in that:
Described slideway (401) becomes narrow gradually from top to bottom, upper inside wall at chain cover (4) is provided with limiting plate (5), limiting plate (5) lower section is provided with I-shaped bracket (6), it is equipped with automatic extending-contracting apparatus (7) on the riser (601) of I-shaped bracket (6), connecting in the lower end of I-shaped bracket (6) and have compression spring II (8), the lower end of compression spring II (8) is connected by spring base is fixing with the bottom of chain cover (4)；One end of slot (3) is connected for fixing with doorframe (2), the other end of slot (3) for entered afterwards by slideway (401) coordinate with the upper surface of I-shaped bracket (6) in chain cover (4) press down on I-shaped bracket (6) so that I-shaped bracket (6) is moved downward to certain position time, the end of automatic extending-contracting apparatus (7) is exposed in the switch hole (403) that chain cover (4) side is arranged, and makes chaining be in lockup state.
nullA kind of door chain the most according to claim 1，It is characterized in that: described chain cover (4) bottom is provided with dividing plate (9)，The lower end of compression spring II (8) is arranged on described dividing plate (9) by spring base，Described dividing plate (9) upper surface is provided with touching button (10)，It is provided with signal processing apparatus (11) and alarm device (12) in the cavity of dividing plate (9) lower section，One end coordinated with chain cover (4) of pressing slot (3) makes it be moved to bottom by slideway (401) top，With extruding I-shaped bracket (6) be moved downward to the lower end of I-shaped bracket (6) touch touching button (10) time，The end of automatic extending-contracting apparatus (7) is exposed in the switch hole (403) that chain cover (4) side is arranged，Now touch button (10) and the touching signal of acquisition is transferred to signal processing apparatus (11)，This signal is sent, by alarm device, the voice that prompting chaining has locked by signal processing apparatus (11) again，The outer wall of described chain cover (4) is additionally provided with the voice hole (402) for releasing this alarm voice.
nullA kind of door chain the most according to claim 1 and 2，It is characterized in that: described automatic extending-contracting apparatus (7) includes push rod (701)、The compression spring I (702) being set on push rod (701) and the baffle plate (703) being arranged on push rod (701)，Described push rod (701) passes riser (601) the reciprocable of I-shaped bracket (6)，Compression spring I (702) one end is resisted against on riser (601)，The other end is resisted against on baffle plate (703)，One end coordinated with chain cover (4) of pressing slot (3) makes it be moved to bottom by slideway (401) top，With extruding I-shaped bracket (6) be moved downward to its lower end touch touching button (10) time，The head (7011) of push rod (701) exposes in the switch hole (403) that chain cover (4) side is arranged，Alarm device sends the voice that prompting chaining has locked.
A kind of door chain the most according to claim 3, it is characterised in that: the head (7011) of described push rod (701) is in spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119607.8U CN205476997U (en) | 2015-12-30 | 2015-12-30 | Anti -theft chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119607.8U CN205476997U (en) | 2015-12-30 | 2015-12-30 | Anti -theft chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205476997U true CN205476997U (en) | 2016-08-17 |
Family
ID=56662668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521119607.8U Expired - Fee Related CN205476997U (en) | 2015-12-30 | 2015-12-30 | Anti -theft chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205476997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118041A (en) * | 2018-06-27 | 2019-08-13 | 许加成 | Follow-on antitheft chain apparatus |
| CN110331904A (en) * | 2018-06-27 | 2019-10-15 | 许加成 | A kind of follow-on antitheft chain apparatus |
-
2015
- 2015-12-30 CN CN201521119607.8U patent/CN205476997U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118041A (en) * | 2018-06-27 | 2019-08-13 | 许加成 | Follow-on antitheft chain apparatus |
| CN110331904A (en) * | 2018-06-27 | 2019-10-15 | 许加成 | A kind of follow-on antitheft chain apparatus |
| CN110331904B (en) * | 2018-06-27 | 2020-09-22 | 黄素环 | Improved anti-theft chain device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20161230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |