CN219696296U - Electronic anti-disassembly waterproof key structure of face recognition access control - Google Patents
Electronic anti-disassembly waterproof key structure of face recognition access control Download PDFInfo
- Publication number
- CN219696296U CN219696296U CN202320378952.1U CN202320378952U CN219696296U CN 219696296 U CN219696296 U CN 219696296U CN 202320378952 U CN202320378952 U CN 202320378952U CN 219696296 U CN219696296 U CN 219696296U
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- Prior art keywords
- waterproof
- silica gel
- elastic arm
- backshell
- supporting part
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000741 silica gel Substances 0.000 claims abstract description 51
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 51
- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The utility model provides a waterproof button structure is prevented tearing open by electron of face identification entrance guard, belongs to electron electric field, sets up between the preceding shell of relative lock and backshell, including waterproof silica gel cover, waterproof silica gel cover passes through the plastics support to be fixed on the backshell, including the waterproof silica gel cap that central point bracing piece and ring central point bracing piece set up, and the one end of central point bracing piece is passed plastics support contact and is connected with dabs the button switch, dabs the button switch setting on the PCB circuit board. The utility model has novel structure, ingenious design, sensitive triggering, good anti-disassembly and waterproof effects, simple structure, low production cost and long service life.
Description
Technical Field
The utility model belongs to the technical field of electronics and electrics, and particularly relates to an electronic anti-disassembly waterproof key structure for face recognition access control.
Background
Face recognition entrance guard mostly sets up in the outside of building hall, often experiences wind and rain invasion, therefore, prevents tearing open waterproof seal structure and is very necessary to the inside electronic component of protection device.
The face recognition access control commonly used at present comprises a front shell and a rear shell which are buckled relatively, a touch key switch and a PCB circuit board are arranged between the front shell and the rear shell, a button corresponding to the key switch is arranged on the front shell, and in order to realize the protection of electronic devices, a waterproof cover is added outside in a conventional way, and the whole equipment is sealed in the waterproof cover. This design method results in increased cost and inconvenient installation. The waterproof silica gel structure is adopted, but the selected silica gel structure is unreasonable in design, the key part and the electronic device are covered and wrapped integrally, the stress is uneven, the hardness of the silica gel material is not easy to select, deformation or stress damage can be generated when the silica gel material is pressed for a long time, the triggering of the anti-dismantling key can not be met, even the key is triggered by the design, the key is difficult to trigger, and the anti-dismantling function effect of the whole machine is poor.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides an electronic anti-disassembly waterproof key structure for face recognition access control.
The technical problems to be solved by the utility model are realized by the following technical scheme:
the utility model provides an electronic anti-disassembly waterproof button structure of face identification entrance guard, set up between the front shell of relative lock and backshell, including waterproof silica gel cover, waterproof silica gel cover includes the waterproof silica gel cap that central point bracing piece and ring central point bracing piece set up, central point bracing piece and waterproof silica gel cap structure as an organic whole, waterproof silica gel cap includes connecting portion, elastic arm and the supporting part that connect gradually concentric setting from inside to outside, connecting portion perpendicular to central point bracing piece axis, elastic arm is buckled to one side of connecting portion, supporting part is circuitous to the opposite side, form annular V-arrangement groove between supporting part and the elastic arm, one side of supporting part and the side of connecting portion lie in the coplanar; one end contact of central point bracing piece is connected with dabs key switch, dabs key switch setting on the PCB circuit board, and the other end of central point bracing piece penetrates the hole of reserving on the backshell.
In the utility model, one side of the elastic arm, which is bent, is provided with a plastic bracket, the plastic bracket presses the other side surface of the supporting part and is fixed on the rear shell, and the plastic bracket is provided with a hole penetrating through the central supporting rod.
Further, the waterproof silica gel sleeve is a silica gel product with HA hardness of 70 degrees, the thickness of the elastic arm is 0.25mm, and the bending angle of the elastic arm relative to the connecting part is 125.54 degrees.
Further, the side of supporting part and backshell contact is provided with little boss, and little boss highly is 0.3mm, and the backshell is provided with the location boss that corresponds with the V-arrangement groove.
Further, the theoretical interference of the waterproof silica gel sleeve and the rear shell is 0.3mm, and the theoretical interference of the central support rod of the waterproof silica gel sleeve and the light touch key switch on the PCB is 0.05mm.
Further, a metal backboard is arranged on one side of the rear shell, which is opposite to the front shell, a hole for the central support rod to pass through is preset in the metal backboard, and the theoretical interference amount between the central support rod of the waterproof silica gel strip and the metal backboard is 2.6mm.
Compared with the prior art, the utility model has the following advantages:
(1) The embedded waterproof silica gel sleeve effectively realizes waterproof protection of electronic devices such as a touch key switch, a PCB and the like, and has the advantages of small volume, light weight and low production cost;
(2) The specific structure and the material of the waterproof silica gel sleeve provide an elastic reset effect for keys on the face recognition access control, have reasonable structural design, can meet the triggering of the anti-dismantling keys for a long time, can not generate destructive deformation, ensure the anti-dismantling function of equipment and prolong the service life of the equipment;
(3) The positioning boss arranged on the rear shell is matched with the structure of the waterproof silica gel sleeve, so that the waterproof silica gel sleeve is convenient to install, and the possibility of destructive deformation of the waterproof silica gel sleeve is effectively reduced;
(4) The central support rod of the waterproof silica gel sleeve penetrates through the interference fit of the plastic support and the light touch key switch, and the interference fit of the other end of the central support rod, the rear shell and the metal back plate ensures the sensitivity of the trigger key on the face recognition access control, and the use effect of the whole machine is effectively ensured.
In combination, the utility model has novel structure, ingenious design, sensitive triggering, good anti-disassembly and waterproof effects, simple structure, low production cost and long service life.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of a waterproof silica gel cover according to the present utility model;
FIG. 3 is a view showing the outline of the waterproof silica gel cover of the present utility model;
FIG. 4 is a schematic diagram of a waterproof silica gel case layout according to the present utility model;
FIG. 5 is a schematic view of the working state of the present utility model;
fig. 6 is a schematic view of a touch key switch according to the present utility model.
In the figure: waterproof silica gel cover 1, metal backplate 2, plastic support 3, dab key switch 4, PCB circuit board 5, backshell 6, preceding shell 7, central support pole 8, connecting portion 9, elastic arm 10, supporting part 11, little boss 12 and location boss 13.
Detailed Description
The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.
The electronic anti-disassembly waterproof key structure of the face recognition access control is arranged between a front shell 7 and a rear shell 6 which are buckled relatively as shown in fig. 1 and 5, and comprises a waterproof silica gel sleeve 1, wherein the waterproof silica gel sleeve 1 is fixed on the rear shell 6 through a plastic support 3 and comprises a central support rod 8 and a waterproof silica gel cap arranged around the central support rod 8, one end of the central support rod 8 penetrates through the plastic support 3 to be connected with a tact key switch 4 in a contact manner, the tact key switch 4 is arranged on a PCB circuit board 5, and the structure of the tact key switch 4 is shown in fig. 6; the other end of the central supporting rod 8 penetrates into a reserved hole on the rear shell 6, a metal backboard 2 is arranged on one side of the rear shell 6 back to the front shell, and a hole for the central supporting rod 8 to penetrate through is formed in the metal backboard 2.
In fig. 2 and 3, central support rod 8 and waterproof silica gel cap are integrated into one piece structure, waterproof silica gel cap is including connecting portion 9, elastic arm 10 and the supporting part 11 that connect gradually concentric setting from inside to outside, connecting portion 9 perpendicular to central support rod 8 axis, elastic arm 10 is buckled to one side of connecting portion 9, supporting part 11 is circuitous to the opposite side, form annular V-arrangement groove between supporting part 11 and the elastic arm 10, a side of supporting part 11 and the side of connecting portion 9 are located the coplanar, the side that supporting part 11 and backshell 6 contacted is provided with little boss 12, backshell 6 is provided with the location boss 13 that corresponds with the V-arrangement groove.
In fig. 4, the thickness of the elastic arm 10 is 0.25mm, the bending angle of the elastic arm 10 relative to the connecting portion 9 is 125.54 °, the height of the small boss 12 is 0.3mm, the theoretical interference amount between one end of the central support rod 8 and the rear case 6 is 0.3mm, the theoretical interference amount between the other end of the central support rod 8 and the pressed position of the tact key switch 4 on the PCB circuit board 5 is 0.05mm, and the theoretical interference amount between the central support rod and the metal back plate is 2.6mm based on the above specification and dimensions.
When the utility model is applied to face recognition access control, the installation process is that the waterproof silica gel sleeve 1 is firstly installed on the rear shell 6, the waterproof silica gel sleeve 1 is installed in a positioning way under the matching alignment of the positioning boss 13 on the rear shell 6 and the V-shaped groove of the waterproof silica gel sleeve 1, then the waterproof silica gel sleeve 1 is pressed and fixed by the plastic bracket 3, 2 self-tapping screws of M1.4 are adopted for locking, then the rear shell with the waterproof silica gel sleeve 1 is locked on the front shell 7 with the PCB circuit board 5, and finally the whole machine is installed on the metal backboard 2; when the waterproof silica gel sleeve 1 is used, the central support rod 8 is slightly touched, the central support rod can effectively trigger the touch key switch 4 to realize the electrical change of the corresponding key mapping, and the anti-disassembly waterproof effect is ensured in the process.
According to the utility model, a waterproof silica gel sleeve 1 is designed by adopting a silica gel material with the hardness of 70 degrees and a structure beneficial to bouncing, and the designed silica gel sleeve is not easy to fatigue damage; the theoretical interference quantity is designed to be 0.3mm after the waterproof silica gel sleeve 1 and the rear shell 6 are installed, and the waterproof silica gel sleeve is pressed on the rear shell by the plastic bracket 3 to play a role in sealing and waterproofing; the back shell 6 is assembled on the front shell 7, the theoretical interference quantity of the waterproof silica gel sleeve 1 and the tact key switch 4 on the PCB circuit board 5 is designed to be 0.05mm, when the machine is in a free state, namely, the waterproof silica gel sleeve 1 is not pressed, the tact key switch 4 and the silica gel sleeve 1 are always in a contact state, and thus, when the machine is installed on the metal standby board 2, the waterproof silica gel sleeve 1 is pressed down to trigger the tact key switch 4 on the PCB circuit board 5 more easily.
In conclusion, the anti-disassembly waterproof key of the face recognition entrance guard has the advantages of novel structure conception, ingenious design, sensitive trigger, good anti-disassembly waterproof effect, simple structure, low production cost and long service life, and can be found by combining the structure and the working process.
Claims (6)
1. Waterproof button structure is prevented tearing open by electronics of face identification entrance guard sets up between relative lock's preceding shell and backshell, its characterized in that: the waterproof silica gel cap comprises a connecting part, an elastic arm and a supporting part, wherein the connecting part, the elastic arm and the supporting part are concentrically arranged from inside to outside, the connecting part is perpendicular to the central axis of the central supporting rod, the elastic arm bends towards one side of the connecting part, the supporting part winds towards the other side, an annular V-shaped groove is formed between the supporting part and the elastic arm, and one side surface of the supporting part and the side surface of the connecting part are positioned on the same plane; one end contact of central point bracing piece is connected with dabs key switch, dabs key switch setting on the PCB circuit board, and the other end of central point bracing piece penetrates the hole of reserving on the backshell.
2. The electronic tamper waterproof key structure of claim 1, wherein: one side of the elastic arm, which is bent, is provided with a plastic bracket, the plastic bracket presses the other side face of the supporting part and is fixed on the rear shell, and the plastic bracket is provided with a hole penetrating through the central supporting rod in advance.
3. The electronic tamper waterproof key structure of claim 2, wherein: the waterproof silica gel sleeve is a silica gel product with HA hardness of 70 degrees, the thickness of the elastic arm is 0.25mm, and the bending angle of the elastic arm relative to the connecting part is 125.54 degrees.
4. The electronic tamper waterproof key structure of claim 3, wherein: the side of supporting part and backshell contact is provided with little boss, and little boss's height is 0.3mm, and the backshell is provided with the location boss that corresponds with the V-arrangement groove.
5. The electronic tamper resistant waterproof key structure of claim 4, wherein: the theoretical interference quantity of the waterproof silica gel sleeve and the rear shell is 0.3mm, and the theoretical interference quantity of the central support rod of the waterproof silica gel sleeve and the light touch key switch on the PCB circuit board is 0.05mm.
6. The electronic tamper waterproof key structure of claim 1, wherein: a metal backboard is arranged on one side of the rear shell, which is opposite to the front shell, a hole for the central support rod to pass through is preset in the metal backboard, and the theoretical interference quantity between the central support rod of the waterproof silica gel strip and the metal backboard is 2.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320378952.1U CN219696296U (en) | 2023-03-03 | 2023-03-03 | Electronic anti-disassembly waterproof key structure of face recognition access control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320378952.1U CN219696296U (en) | 2023-03-03 | 2023-03-03 | Electronic anti-disassembly waterproof key structure of face recognition access control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219696296U true CN219696296U (en) | 2023-09-15 |
Family
ID=87969629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320378952.1U Active CN219696296U (en) | 2023-03-03 | 2023-03-03 | Electronic anti-disassembly waterproof key structure of face recognition access control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219696296U (en) |
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2023
- 2023-03-03 CN CN202320378952.1U patent/CN219696296U/en active Active
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