CN204029020U - A kind of access controller - Google Patents
A kind of access controller Download PDFInfo
- Publication number
- CN204029020U CN204029020U CN201420484453.1U CN201420484453U CN204029020U CN 204029020 U CN204029020 U CN 204029020U CN 201420484453 U CN201420484453 U CN 201420484453U CN 204029020 U CN204029020 U CN 204029020U
- Authority
- CN
- China
- Prior art keywords
- transparent
- inner cover
- transparent housing
- shell
- circuit board
- 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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Abstract
The utility model relates to a kind of access controller, include shell, be arranged on the card reader of shell front side, circuit board is provided with in described shell, the output terminal of described card reader is connected with circuit board, also display is provided with on rear side of described shell, display is connected with circuit board, described display is provided with transparent housing, transparent housing is fixedly connected with shell, transparent inner cover is provided with in transparent housing, vacuum chamber is provided with between the rear side end of described transparent inner cover and the rear side end of transparent housing, seal between described transparent housing and the circumferential side wall of transparent inner cover and arrange.Adopt technique scheme, the utility model provides a kind of access controller, and it can prevent from producing fog in transparent housing well, thus can clearly watch the information that display shows.
Description
Technical field
The utility model relates to a kind of access controller.
Background technology
Gate inhibition, what refer to " door " forbids authority, is to take precautions against the guard of " door ".Here " door ", in broad terms, comprises the various passages that can pass through, comprises the door that people passes through, the door etc. of vehicle pass-through.
Existing a kind of access controller, include shell, be arranged on the card reader of shell front side, circuit board is provided with in described shell, the output terminal of described card reader is connected with circuit board, described circuit board is provided with movable contact spring, static contact and for controlling movable contact spring, static contact leads to, disconnected gauge tap, gauge tap is arranged on rear side of shell, also display is provided with on rear side of described shell, display is connected with circuit board, described display is provided with a transparent housing, transparent housing is fixedly connected with shell, this display is for showing card image, when needs are entered, card image is read by card reader, when staff watches the card image on display correct, press gauge tap, control door-lock opening.But the access controller of this structure, easily produces fog in transparent housing, thus make the display information on display to know viewing, staff can not be allowed to understand card image in time, cause unnecessary trouble.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of access controller, it can prevent from producing fog in transparent housing well, thus can clearly watch the information that display shows.
The technical solution of the utility model: a kind of access controller, include shell, be arranged on the card reader of shell front side, circuit board is provided with in described shell, the output terminal of described card reader is connected with circuit board, described circuit board is provided with movable contact spring, static contact and for controlling movable contact spring, static contact leads to, disconnected gauge tap, gauge tap is arranged on rear side of shell, also display is provided with on rear side of described shell, display is connected with circuit board, described display is provided with transparent housing, transparent housing is fixedly connected with shell, it is characterized in that: in described transparent housing, be provided with transparent inner cover, vacuum chamber is provided with between the rear side end of described transparent inner cover and the rear side end of transparent housing, seal between described transparent housing and the circumferential side wall of transparent inner cover and arrange.
Adopt technique scheme, by the vacuum chamber arranged between transparent housing, transparent inner cover, the heat-conduction coefficient of vacuum is very low, can prevent fog from producing well, seal between the circumferential side wall of transparent inner cover and the circumferential side wall of transparent housing and arrange, air can be stoped to circulate between outer cover and inner cover.Therefore, the access controller of this structure, it can prevent from producing fog in transparent housing well, thus can clearly watch the information that display shows.
Further setting of the present utility model: described circuit board is provided with hinged seat, the inner side of described gauge tap is provided with conductive pole, described movable contact spring, on static contact, correspondence position is provided with the bayonet socket snapped in for conductive pole, described gauge tap is provided with jointed shaft, described hinged seat is provided with the through hole inserted for jointed shaft, described through-hole wall is provided with locating slot, spring is provided with in described locating slot, ball, described both ends of the spring respectively with ball, connect bottom locating slot, be plugged on the jointed shaft sidewall in through hole and be axially arranged with some grooves around it, described ball is placed in groove.
Adopt above-mentioned further setting, rotate gauge tap, ball slips into another adjacent groove until conductive pole snaps in movable contact spring by the wherein groove on jointed shaft sidewall, stop operating time in bayonet socket on static contact gauge tap, now movable contact spring, static contact conducting, door-lock opening can be controlled, this gauge tap controls movable contact spring, static contact leads to, disconnected mode, at movable contact spring, during static contact conducting, staff does not need to pin gauge tap always, thus make it easy to operate, and, when rotating gauge tap, its rotational angle can be controlled well, avoid the excessive damage movable contact spring of its rotational angle, static contact.
Setting further more of the present utility model: the circumferential side wall of described transparent inner cover is provided with seal groove, and the sealing being provided with the circumferential side wall of O-ring seal formation transparent housing and transparent inner cover in described seal groove is arranged.
Adopt and above-mentionedly to arrange further again, the sealing set-up mode of the circumferential side wall of this transparent housing and transparent inner cover, structure is simple, installs, convenient disassembly.
Further setting more of the present utility model: be provided with shoulder rank in described transparent housing, described transparent inner cover front side end has been installed with spacer, described transparent housing is provided with annular positioning groove, described spacer is embedded in locating slot, and described transparent inner cover is pressed on described shoulder rank through spacer.
Adopt and above-mentionedly further to arrange again, this transparent housing, transparent inner cover locator meams, structure is simple, installs, convenient disassembly, and it is firm to locate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is the inner structure schematic diagram of the utility model specific embodiment;
Fig. 3 is hinge base structure schematic diagram in the utility model specific embodiment;
Fig. 4 is A-A structure cut-open view in Fig. 3;
Fig. 5 is jointed shaft structural representation in the utility model specific embodiment;
Fig. 6 is the utility model specific embodiment transparent housing, transparent inner cover syndeton schematic diagram.
Embodiment
As shown in figures 1 to 6, a kind of access controller, include shell 1, be arranged on the card reader 2 on front side of shell 1, circuit board 3 is provided with in described shell 1, the output terminal of described card reader 2 is connected with circuit board 3, described circuit board 3 is provided with movable contact spring 4, static contact 5 and for controlling movable contact spring 4, static contact 5 leads to, disconnected gauge tap 6, gauge tap 6 is arranged on rear side of shell 1, display 7 is also provided with on rear side of described shell 1, display 7 is connected with circuit board 3, described display 7 is provided with transparent housing 8, transparent housing 8 is fixedly connected with shell 1, transparent inner cover 9 is provided with in described transparent housing 8, vacuum chamber 10 is provided with between the rear side end of described transparent inner cover 9 and the rear side end of transparent housing 8, seal between described transparent housing 8 and the circumferential side wall of transparent inner cover 9 and arrange.By the vacuum chamber 10 arranged between transparent housing 8, transparent inner cover 9, the heat-conduction coefficient of vacuum is very low, can prevent fog from producing well, seal between the circumferential side wall of transparent inner cover 9 and the circumferential side wall of transparent housing 8 and arrange, air can be stoped to circulate between outer cover and inner cover.Therefore, the access controller of this structure, it can prevent from producing fog in transparent housing 8 well, thus clearly can watch the information of display on display 7.
In the utility model specific embodiment, described circuit board 3 is provided with hinged seat 11, the inner side of described gauge tap 6 is provided with conductive pole 12, described movable contact spring 4, on static contact 5, correspondence position is provided with the bayonet socket 20 snapped in for conductive pole 12, described gauge tap 6 is provided with jointed shaft 13, described hinged seat 11 is provided with the through hole 111 inserted for jointed shaft 13, described through hole 111 inwall is provided with locating slot 112, spring 14 is provided with in described locating slot 112, ball 15, described spring 14 two ends respectively with ball 15, connect bottom locating slot 112, be plugged on jointed shaft 13 sidewall in through hole 111 and be axially arranged with some grooves 131 around it, described ball 15 is placed in groove 131.Rotate gauge tap 6, ball 15 slips into another adjacent groove until conductive pole 12 snaps in movable contact spring 4 by the wherein groove on jointed shaft 13 sidewall, stop operating time in bayonet socket 20 on static contact 5 gauge tap 6, now movable contact spring 4, static contact 5 conducting, door-lock opening can be controlled, this gauge tap 6 controls movable contact spring 4, static contact 5 leads to, disconnected mode, at movable contact spring 4, during static contact 5 conducting, staff does not need to pin gauge tap 6 always, thus make it easy to operate, and, when rotating gauge tap 6, its rotational angle can be controlled well, avoid the excessive damage movable contact spring 4 of its rotational angle, static contact 5.
In the utility model specific embodiment, the circumferential side wall of described transparent inner cover 9 is provided with seal groove 91, is provided with O-ring seal 16 and forms transparent housing 8 and arrange with the sealing of the circumferential side wall of transparent inner cover 9 in described seal groove 91.The sealing set-up mode of the circumferential side wall of this transparent housing 8 and transparent inner cover 9, structure is simple, installation, convenient disassembly.
In the utility model specific embodiment, shoulder rank 81 are provided with in described transparent housing 8, described transparent inner cover 9 front side end has been installed with spacer 17, described transparent housing 8 is provided with annular positioning groove 82, described spacer 17 is embedded in locating slot 82, and described transparent inner cover 9 is pressed on described shoulder rank 81 through spacer 17.This transparent housing 8, transparent inner cover 9 locator meams, structure is simple, installation, convenient disassembly, and it is firm to locate.
Claims (4)
1. an access controller, include shell, be arranged on the card reader of shell front side, circuit board is provided with in described shell, the output terminal of described card reader is connected with circuit board, described circuit board is provided with movable contact spring, static contact and for controlling movable contact spring, static contact leads to, disconnected gauge tap, gauge tap is arranged on rear side of shell, also display is provided with on rear side of described shell, display is connected with circuit board, described display is provided with transparent housing, transparent housing is fixedly connected with shell, it is characterized in that: in described transparent housing, be provided with transparent inner cover, vacuum chamber is provided with between the rear side end of described transparent inner cover and the rear side end of transparent housing, seal between described transparent housing and the circumferential side wall of transparent inner cover and arrange.
2. access controller according to claim 1, it is characterized in that: described circuit board is provided with hinged seat, the inner side of described gauge tap is provided with conductive pole, described movable contact spring, on static contact, correspondence position is provided with the bayonet socket snapped in for conductive pole, described gauge tap is provided with jointed shaft, described hinged seat is provided with the through hole inserted for jointed shaft, described through-hole wall is provided with locating slot, spring is provided with in described locating slot, ball, described both ends of the spring respectively with ball, connect bottom locating slot, be plugged on the jointed shaft sidewall in through hole and be axially arranged with some grooves around it, described ball is placed in groove.
3. access controller according to claim 1 and 2, is characterized in that: the circumferential side wall of described transparent inner cover is provided with seal groove, and the sealing being provided with the circumferential side wall of O-ring seal formation transparent housing and transparent inner cover in described seal groove is arranged.
4. access controller according to claim 3, it is characterized in that: in described transparent housing, be provided with shoulder rank, described transparent inner cover front side end has been installed with spacer, described transparent housing is provided with annular positioning groove, described spacer is embedded in locating slot, and described transparent inner cover is pressed on described shoulder rank through spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484453.1U CN204029020U (en) | 2014-08-26 | 2014-08-26 | A kind of access controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484453.1U CN204029020U (en) | 2014-08-26 | 2014-08-26 | A kind of access controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029020U true CN204029020U (en) | 2014-12-17 |
Family
ID=52068856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420484453.1U Expired - Fee Related CN204029020U (en) | 2014-08-26 | 2014-08-26 | A kind of access controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204029020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574604A (en) * | 2015-01-22 | 2015-04-29 | 楼碧云 | Intelligent building door control system containing rolling balls |
-
2014
- 2014-08-26 CN CN201420484453.1U patent/CN204029020U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574604A (en) * | 2015-01-22 | 2015-04-29 | 楼碧云 | Intelligent building door control system containing rolling balls |
| CN104574604B (en) * | 2015-01-22 | 2017-02-08 | 国网山东省电力公司蒙阴县供电公司 | Intelligent building door control system containing rolling balls |
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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: 20141217 Termination date: 20170826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |