CN115768017A

CN115768017A - Portrait attendance equipment

Info

Publication number: CN115768017A
Application number: CN202211469408.4A
Authority: CN
Inventors: 叶剑; 王新祥; 郭亮
Original assignee: Universal Ubiquitous Technology Co ltd
Current assignee: Universal Ubiquitous Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-07

Abstract

The application relates to the technical field of anti-dismantling keys, in particular to portrait attendance equipment which comprises a rear shell, a front shell, a PCB (printed circuit board), a silica gel ring contour, a waterproof silica gel piece and a through hole; the through hole is positioned in the middle of the top end of the rear shell; the contour of the silica gel ring is positioned on one side of the rear shell close to the front shell; the shape of the waterproof silica gel piece is matched with that of the outline of the silica gel ring, the size of the outline of the silica gel ring is smaller than that of the pressing part, the waterproof silica gel piece is plugged into the outline of the silica gel ring on the rear shell by utilizing the characteristic that the waterproof silica gel piece is compressible, and the waterproof silica gel piece cannot fall off from the inside of the outline of the silica gel ring, so that the waterproof silica gel piece is fixed, and meanwhile, the waterproof effect can be realized.

Description

Portrait attendance equipment

Technical Field

The application relates to the technical field of anti-dismantling keys, in particular to portrait attendance equipment.

Background

The portrait attendance equipment is used for recording the attendance of workers by each enterprise and public institution in the society, mainly comprises a shell, a facial recognition mechanism and keys, wherein the waterproof effect of the keys directly influences the normal use of the portrait attendance equipment aiming at some outdoor use scenes such as open air.

The structural waterproof design of the anti-dismantling key of the existing portrait attendance checking equipment is shown in fig. 11, one plastic part 16 and two first screws 17 are adopted to press the waterproof silicone part 14 as a waterproof design, the two groups of first screws 17 are used for fixing the plastic part 16 on the rear shell 11, meanwhile, the plastic part 16 is used for realizing pressing and fixing of the waterproof silicone part 14, and the structural waterproof design of the anti-dismantling key of the portrait attendance checking equipment is realized.

The structural waterproof design of the anti-dismantling key of the portrait attendance equipment is characterized in that the plastic part 16 and the first screw 17 are designed, so that the waterproof structural parts are more, the structural installation is more complicated, the cost is higher, and the structural waterproof design of the anti-dismantling key of the portrait attendance equipment is simple in structural installation and cost-saving aiming at the problem.

Disclosure of Invention

The invention aims to provide portrait attendance equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a portrait attendance device comprises a rear shell, a front shell, a PCB, a silica gel ring outline, a waterproof silica gel piece and a perforation;

the through hole is positioned in the middle of the top end of the rear shell and penetrates through the rear shell;

the contour of the silica gel ring is positioned on one side of the rear shell close to the front shell, the perforation is positioned in the middle of the contour of the silica gel ring, and the bottom end of the perforation penetrates through the contour of the silica gel ring;

the waterproof silica gel piece is arranged in the middle of the outline of the silica gel ring, the shape of the waterproof silica gel piece is matched with that of the outline of the silica gel ring, the size of the outline of the silica gel ring is smaller than that of the pressing part, and the top end of the outline of the silica gel ring penetrates through the through hole.

As a further scheme of the invention: the waterproof silica gel piece comprises a pressing part, a connecting part and a waterproof part;

the pressing part is positioned inside the through hole, the upper end and the lower end of the pressing part penetrate through the through hole, and the outer diameter of the pressing part is matched with the inner diameter of the through hole;

the waterproof portion is sleeved on the outer side of the pressing portion, the connecting portion is located in the middle of the pressing portion and the waterproof portion, and the inner side and the outer side of the connecting portion are fixedly connected with the pressing portion and the waterproof portion respectively.

As a further scheme of the invention: the contour of the silica gel ring comprises a fixing ring and a positioning ring groove;

the fixing ring is fixed on one side of the rear shell close to the front shell, and the fixing ring is arranged on the outer side of the through hole in a surrounding mode;

the surface that the inboard of solid fixed ring is located the backshell is equipped with the retaining ring groove with waterproof portion top matched with.

As a further scheme of the invention: the annular width of the waterproof part is larger than that of the positioning ring groove by mm, and the distance between the inner wall of the positioning ring groove and the inner wall of the through hole is matched with the annular width of the connecting part.

As a further scheme of the invention: one side of the bottom end of the waterproof part is provided with a notch.

As a further scheme of the invention: and a button is arranged in the middle of the top end face of the PCB and is positioned right below the waterproof silica gel piece.

As a further scheme of the invention: the PCB board is located inside the front shell, and the PCB board is detachably connected with the front shell through a fixing piece.

As a further scheme of the invention: the fixing piece comprises a mounting seat, a thread groove and a second screw;

the mounting seat is provided with a plurality of groups, the mounting seat is uniformly fixed at the bottom of the inner cavity of the front shell, the thread groove is formed in the middle of the top end of the mounting seat, a plurality of groups of mounting holes are formed in the PCB, the positions of the mounting holes are matched with the positions of the thread groove, and the second screw penetrates through the mounting holes and is in threaded connection with the thread groove.

As a further scheme of the invention: a sealing element for increasing the sealing effect is arranged between the rear shell and the front shell;

the sealing element comprises a front shell waterproof ring, a rear shell waterproof ring and a mounting groove;

the mounting groove is equipped with two sets ofly, two sets of the mounting groove is seted up respectively in the backshell and the mutual one side that is close to of preceding shell, and the mounting groove of two sets of relative settings forms the installation cavity that is used for the waterproof circle of shell around the installation, the waterproof circle of shell is located the inside of installation cavity around, just the size of the waterproof circle of shell around with the size phase-match of installation cavity.

As a further scheme of the invention: a plurality of groups of mounting pieces for assembling the rear shell and the front shell are arranged on the outer sides of the rear shell and the front shell;

the mounting piece comprises a mounting plate and a fastener;

the mounting panel is equipped with two sets ofly, two sets of the mounting panel is fixed in the tip surface of backshell, preceding shell respectively, and is two sets of be equipped with the fastener that is used for carrying out the installation to the mounting panel on the mounting panel.

Compared with the prior art, the invention has the beneficial effects that:

according to the portrait attendance equipment, the contour of the silica gel ring with the size smaller than that of the waterproof silica gel piece is arranged, the characteristic that the waterproof silica gel piece is compressible can be utilized, the waterproof silica gel piece is plugged into the contour of the silica gel ring on the rear shell, and the waterproof silica gel piece cannot fall off from the inside of the contour of the silica gel ring, so that the waterproof silica gel piece is fixed, and meanwhile, the waterproof effect can be achieved.

According to the portrait attendance equipment, the notch is formed in the waterproof silica gel piece, so that the internal and external air pressure balance of the waterproof silica gel piece can be ensured, the situation that the waterproof silica gel piece does not rebound after being pressed down due to vacuum is prevented, and the normal use of the anti-dismantling key of the portrait attendance equipment is not influenced.

According to the portrait attendance equipment, the sealing effect between the rear shell and the front shell can be improved by arranging the sealing element, the waterproof effect of the anti-dismantling key of the portrait attendance equipment is improved, meanwhile, the installation groove is arranged, the path of water flowing into the rear shell and the front shell from the outside through the gap between the rear shell and the front shell can be prolonged, and the waterproof effect can be further improved compared with a case that the waterproof ring of the front shell and the rear shell are directly installed.

According to the portrait attendance equipment, the fixing piece is arranged, the PCB can be quickly fixed in the front shell, the quick installation of the PCB is completed, the mounting piece is arranged, the rear shell and the front shell can be quickly connected and fixed, and the quick assembly of the anti-disassembly key of the portrait attendance equipment is realized.

Additional optional features and technical effects of embodiments of the invention are set forth, in part, in the description which follows and, in part, will be apparent from the description.

Drawings

Embodiments of the invention will hereinafter be described in detail with reference to the accompanying drawings, illustrated without limitation in the scale shown in the drawings, wherein like or similar reference numerals denote like or similar elements, and wherein:

FIG. 1 is a schematic view of the present invention.

FIG. 2 is a schematic view of the split structure of the present invention.

Fig. 3 is a schematic view of the internal structure of the rear case and the front case of the present invention.

Fig. 4 is a schematic view of the internal split structure of the rear case and the front case of the present invention.

Fig. 5 is a schematic cross-sectional view of the rear case and the front case of the present invention.

Fig. 6 is an enlarged structural view of the portion B in fig. 4 according to the present invention.

Fig. 7 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 8 is a schematic structural view of the clamping structure of the present invention.

Fig. 9 is a schematic cross-sectional view of the clamping structure of the present invention.

Fig. 10 is an enlarged view of the portion C of fig. 9 according to the present invention.

Fig. 11 is a structural schematic diagram of a structural waterproof design structure of a disassembly-preventing key of the existing portrait attendance checking equipment.

Wherein: 11. a rear housing; 12. a front housing; 13. a PCB board; 14. a waterproof silicone member; 15. perforating; 16. a plastic part; 17. a first screw; 18. waterproof rings of the front shell and the rear shell; 19. mounting grooves; 20. a mounting seat; 21. a second screw; 22. mounting holes; 23. imitating the outline of a silica gel ring; 24. a pressing part; 25. a connecting portion; 26. a waterproof section; 27. a fixing ring; 28. a positioning ring groove; 29. an opening; 30. a thread groove; a plate 31, a mounting plate; 32. a fastener; 33. a rear housing connection plate; 34. a front shell connecting plate; 35. positioning a groove; 36. positioning a rod; 37. a yielding groove; 38. moving the plate; 39. an empty groove; 40. a spring; 41. a through hole; 42. and (4) a notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.

Example 1:

referring to fig. 1-7, a portrait attendance checking device comprises a rear shell 11, a front shell 12, a PCB 13, a contour 23 of a silicone ring, a waterproof silicone piece 14 and a through hole 15;

the through hole 15 is located in the middle of the top end of the rear shell 11, and the through hole 15 penetrates through the rear shell 11;

the silica gel ring contour 23 is positioned on one side, close to the front shell 12, of the rear shell 11, the through hole 15 is positioned in the middle of the silica gel ring contour 23, and the bottom end of the through hole 15 penetrates through the silica gel ring contour 23;

the waterproof silica gel piece 14 is arranged in the middle of the silica gel ring contour 23, the shape of the waterproof silica gel piece 14 is matched with that of the silica gel ring contour 23, the size of the silica gel ring contour 23 is smaller than that of the pressing portion 24, and the top end of the silica gel ring contour 23 penetrates through the through hole 15.

By arranging the silica gel ring contour 23 with the size smaller than that of the waterproof silica gel piece 14, the waterproof silica gel piece 14 can be plugged into the silica gel ring contour 23 on the rear shell 11 by utilizing the compressible characteristic of the waterproof silica gel piece 14, and the waterproof silica gel piece 14 cannot fall off from the inside of the silica gel ring contour 23, so that the waterproof silica gel piece 14 is fixed, and meanwhile, the waterproof effect can be realized.

It should be noted here that the bottom end face of the waterproof silicone member 14 is disposed in an interference fit with the top end face of the PCB 13, and the gap between the rear case 11 and the PCB 13 is compressed to ensure the waterproof effect in the longitudinal direction.

Referring to fig. 3 to 6, the waterproof silicone member 14 includes a pressing portion 24, a connecting portion 25, and a waterproof portion 26;

the pressing part 24 is located inside the through hole 15, the upper end and the lower end of the pressing part 24 are arranged through the through hole 15, the upper end of the pressing part 24 extends out of the through hole 15, the top end of the pressing part 24 is convenient to press, the bottom end of the pressing part 24 extends out of the through hole 15, the pressing part 24 can be convenient to contact with a button on the PCB 13, and the outer diameter of the pressing part 24 is matched with the inner diameter of the through hole 15;

the waterproof portion 26 is sleeved outside the pressing portion 24, the connecting portion 25 is located between the pressing portion 24 and the waterproof portion 26, the inner side and the outer side of the connecting portion 25 are fixedly connected with the pressing portion 24 and the waterproof portion 26 respectively, the connecting portion 25 can be used for realizing connection between the pressing portion 24 and the waterproof portion 26, and the pressing portion 24, the connecting portion 25 and the waterproof portion 26 can form a whole.

Referring to fig. 3-6, the silicone ring contour 23 includes a fixing ring 27 and a positioning ring groove 28;

the fixing ring 27 is fixed on one side of the rear shell 11 close to the front shell 12, and the fixing ring 27 is arranged around the outer side of the through hole 15;

the inner side of the fixing ring 27 is provided with a positioning ring groove 28 matched with the top end of the waterproof part 26 on the surface of the rear shell 11.

Referring to fig. 3 to 6, the annular width of the waterproof portion 26 is 0.5mm larger than that of the retainer groove 28, and since the annular width of the waterproof portion 26 is larger than that of the retainer groove 28, the waterproof portion 26 can be inserted into the retainer groove 28 without the waterproof portion 26 falling off from the retainer groove 28 due to the compressible property of the waterproof portion 26, so that the waterproof portion 26 can be fixed inside the retainer groove 28, and the waterproof silicone member 14 can be fixed, preferably, the outer diameter of the retainer groove 28 is 11mm, the outer diameter of 26 is 12mm, the distance between the inner wall of the retainer groove 28 and the inner wall of the through hole 15 matches the annular width of the connecting portion 25, so that the connecting portion 25 is clamped between the through hole 15 and the retainer groove 28 when being installed.

Referring to fig. 6, one side of the bottom end of the waterproof portion 26 is provided with a notch 42, and the notch 42 is arranged on the waterproof silicone piece 14, so that the air pressure balance inside and outside the waterproof silicone piece 14 can be ensured, the situation that the waterproof silicone piece 14 does not rebound after being pressed due to vacuum is prevented, and the normal use of the anti-dismantling key of the human-like attendance checking equipment is not affected.

Referring to fig. 1 to 8, a button is provided in the middle of the top end surface of the PCB 13, and the button is located right below the waterproof silicone member 14.

Referring to fig. 2, the PCB 13 is located inside the front case 12, the PCB 13 is detachably connected to the front case 12 through a fixing member, and the PCB 13 is detachably disposed inside the front case 12, so that the PCB 13 can be conveniently replaced or maintained subsequently.

Referring to fig. 2, the fixing member includes a mounting seat 20, a thread groove 30, and a second screw 21;

the mounting seat 20 is equipped with the multiunit, and the multiunit the mounting seat 20 evenly is fixed in the inner chamber bottom of preceding shell 12, thread groove 30 is seted up in the top middle part of mounting seat 20, be equipped with multiunit mounting hole 22 on the PCB board 13, the position of mounting hole 22 cooperatees with thread groove 30's position, just second screw 21 passes mounting hole 22 and with thread groove 30 threaded connection.

By means of the threaded connection between the second screws 21 and the threaded grooves 30, when the PCB 13 is mounted, the PCB 13 is placed above the multiple sets of mounting seats 20, so that the threaded grooves 30 on the mounting seats 20 can correspond to the mounting holes 22 on the PCB 13 one by one, and then the second screws 21 penetrate through the mounting holes 22 and are screwed into the threaded grooves 30, so that the PCB 13 is fixed.

Referring to fig. 2, a sealing member for increasing a sealing effect is disposed between the rear case 11 and the front case 12;

the sealing element comprises a front shell waterproof ring 18, a rear shell waterproof ring 18 and a mounting groove 19;

mounting groove 19 is equipped with two sets ofly, and is two sets of mounting groove 19 is seted up respectively in the one side that backshell 11 and preceding shell 12 are close to each other, and two sets of mounting grooves 19 that set up relatively form the installation cavity that is used for the waterproof circle of shell 18 around the installation, the waterproof circle of shell 18 is located the inside of installation cavity around, just the size of the waterproof circle of shell 18 around with the size phase-match of installation cavity.

Through the waterproof circle 18 of shell around setting up, can increase the sealed effect between backshell 11 and the preceding shell 12, improved the waterproof effect that people like attendance equipment prevented tearing open the button, simultaneously through setting up mounting groove 19, can prolong water from the external gap department of passing through between backshell 11 and the preceding shell 12 and flow into backshell 11, the inside route of preceding shell 12, shell 18 can further improve waterproof effect around for direct mount.

Referring to fig. 7, a plurality of sets of mounting members for assembling the rear shell 11 and the front shell 12 are disposed on the outer sides of the rear shell 11 and the front shell 12;

the mounting member comprises a mounting plate 31 and a fastener 32;

the mounting panel 31 is equipped with two sets, two sets the mounting panel 31 is fixed in the tip surface of backshell 11, preceding shell 12 respectively, and is two sets of be equipped with the fastener 32 that is used for installing mounting panel 31 on the mounting panel 31.

When the rear shell 11 and the front shell 12 are assembled, the end portions of the rear shell 11 and the front shell 12 are aligned, the mounting plates 31 on the rear shell 11 can correspond to the mounting plates 31 on the front shell 12 one by one, and the fastening pieces 32 can be used for realizing the connection and fixation between the two sets of mounting plates 31, so that the connection and fixation between the rear shell 11 and the front shell 12 can be realized.

The specific installation process of the invention is as follows:

firstly, the PCB 13 is installed;

placing the PCB 13 above the multiple sets of the installation bases 20 so that the thread grooves 30 on the installation bases 20 can correspond to the installation holes 22 on the PCB 13 one by one, and then, penetrating the second screws 21 through the installation holes 22 and screwing the second screws into the thread grooves 30 to fix the PCB 13;

secondly, installing the waterproof silica gel piece 14 inside the contour 23 of the silica gel ring;

the top end of the pressing portion 24 extends into the inside of the through hole 15, so that the waterproof portion 26 can be plugged into the inside of the positioning ring groove 28, the connecting portion 25 can be located between the positioning ring groove 28 and the through hole 15, and the ring width of the waterproof portion 26 is larger than that of the positioning ring groove 28, so that the waterproof portion 26 can be plugged into the inside of the positioning ring groove 28 by utilizing the compressible characteristic of the waterproof portion 26, and the waterproof portion 26 cannot fall off from the inside of the positioning ring groove 28, at the moment, the waterproof silicone piece 14 cannot fall off from the inside of the contour 23 of the silica gel ring, so that not only is the fixing of the waterproof silicone piece 14 realized, but also the waterproof effect can be realized, and meanwhile, when the waterproof silicone piece 14 is pressed, the gap 42 can be utilized to ensure the balance of air pressure inside and outside the waterproof silicone piece 14, and prevent the waterproof silicone piece 14 from rebounding after being pressed due to vacuum;

thirdly, mounting the front and rear shell waterproof rings 18;

the lower sections of the front and rear shell waterproof rings 18 are clamped into the mounting groove 19 above the front shell 12, then the rear shell 11 is placed above the front shell 12, and the upper sections of the front and rear shell waterproof rings 18 are clamped into the mounting groove 19 below the rear shell 11, so that the front and rear shell waterproof rings 18 are mounted;

finally, the rear case 11 is assembled with the front case 12;

after the front and rear shell waterproof rings 18 are installed, the mounting plates 31 on the rear shell 11 can correspond to the mounting plates 31 on the front shell 12 one by one, and the fastening pieces 32 can be used for realizing the connection and fixation between the two groups of mounting plates 31, so that the connection and fixation between the rear shell 11 and the front shell 12 can be realized.

Example 2:

as shown with reference to figures 8-10,

in order to improve the installation efficiency between the rear shell 11 and the front shell 12, clamping structures are arranged on two sides of the rear shell 11 and the front shell 12;

the clamping structure comprises a rear shell connecting plate 33, a front shell connecting plate 34, a positioning groove 35 and a positioning rod 36;

the front shell connecting plates 34 are fixed on two sides of the front shell 12, the rear shell connecting plates 33 are fixed on two sides of the rear shell 11, a clamping groove convenient for the front shell connecting plates 34 to be clamped is formed between the rear shell connecting plates 33 and the rear shell 11, and the size of the front shell connecting plates 34 is matched with the clamping groove;

the positioning groove 35 is positioned on one side of the front shell connecting plate 34 close to the rear shell connecting plate 33, the size of the front shell connecting plate 34 is matched with that of the positioning rod 36, and the positioning rod 36 is installed on the rear shell connecting plate 33 through an elastic piece;

elastic component is including being located the dead slot 39 at backshell connecting plate 33 middle part, dead slot 39 is close to one side of constant head tank 35 and is equipped with through-hole 41 with the corresponding position department in constant head tank 35 position, and it needs to notice here, when actual use, when the inside of draw-in groove is gone into to preceding shell connecting plate 34 card, constant head tank 35 is corresponding with the position of through-hole 41, locating lever 36 is located the inside of dead slot 39, just through-hole 41 is passed to the one end of locating lever 36 and is blocked with constant head tank 35 mutually, one side that through-hole 41 was kept away from to dead slot 39 is equipped with the groove of stepping down 37, the one end that constant head tank 35 was kept away from to locating lever 36 is fixed with movable plate 38, movable plate 38 is located the inside of the groove of stepping down 37, just spring 40 is all installed to the inside that is located the both sides of locating lever 36 of dead slot 39, spring 40's both ends respectively with movable plate 38, dead slot 39 fixed connection.

When the rear shell 11 and the front shell 12 need to be connected, the movable plate 38 is pulled to move towards one side away from the front shell connecting plate 34, the movable plate 38 drives the positioning rod 36 to move, one end, away from the movable plate 38, of the positioning rod 36 can enter the inside of the through hole 41, at the moment, the spring 40 is in a state of being elongated and deformed, then the rear shell 11 corresponds to the end portion of the front shell 12, at the moment, the front shell connecting plate 34 is clamped into the inside of a clamping groove formed between the rear shell connecting plate 33 and the rear shell 11, at the moment, the through hole 41 corresponds to the positioning groove 35 in position, the movable plate 38 is stopped being pulled, the movable plate 38 can be driven to reset under the action of the spring 40, at the moment, the movable plate 38 drives the positioning rod 36 to reset, so that the end portion of the positioning rod 36 can be clamped into the inside the positioning groove 35, fixing between the rear shell connecting plate 33 and the front shell connecting plate 34 is achieved, connection fixing between the rear shell 11 and the front shell 12 is achieved, and compared with connection through the fastener 32, the installation and connection efficiency between the rear shell 11 and the front shell 12 can be improved.

The methods, programs, systems, apparatuses, etc., in embodiments of the present invention may be performed or implemented in a single or multiple networked computers, or may be practiced in distributed computing environments. In the described embodiments, tasks may be performed by remote processing devices that are linked through a communications network in such distributed computing environments.

As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, system, or computer program product. Thus, it will be apparent to one skilled in the art that the implementation of the functional modules/units or controllers and the associated method steps set forth in the above embodiments may be implemented in software, hardware, or a combination of software and hardware.

Unless specifically stated otherwise, the actions or steps of a method, program or process described in accordance with an embodiment of the present invention need not be performed in a particular order and still achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.

While various embodiments of the invention have been described herein, the description of the various embodiments is not intended to be exhaustive or to limit the invention to the precise forms disclosed, and features and components that are the same or similar to one another may be omitted for clarity and conciseness. As used herein, "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" are intended to apply to at least one embodiment or example, but not to all embodiments, in accordance with the present invention. The above terms are not necessarily meant to refer to the same embodiment or example. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Exemplary systems and methods of the present invention have been particularly shown and described with reference to the foregoing embodiments, which are merely illustrative of the best modes for carrying out the systems and methods. It will be understood by those skilled in the art that various changes in the embodiments of the systems and methods described herein may be made in practicing the systems and/or methods without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A portrait attendance device comprises a rear shell (11), a front shell (12) and a PCB (13), and is characterized by also comprising a silica gel ring contour (23), a waterproof silica gel piece (14) and a perforation (15);

the through hole (15) is positioned in the middle of the top end of the rear shell (11), and the through hole (15) penetrates through the rear shell (11);

the silica gel ring-imitating outline (23) is positioned on one side, close to the front shell (12), of the rear shell (11), the through hole (15) is positioned in the middle of the silica gel ring-imitating outline (23), and the bottom end of the through hole (15) penetrates through the silica gel ring-imitating outline (23) to be arranged;

the waterproof silica gel piece (14) is arranged in the middle of the silica gel ring contour (23), the shape of the waterproof silica gel piece (14) is matched with that of the silica gel ring contour (23), the size of the silica gel ring contour (23) is smaller than that of the pressing part (24), and the top end of the silica gel ring contour (23) penetrates through the through hole (15).

2. A portrait attendance apparatus as claimed in claim 1, wherein the waterproof silicone (14) comprises a pressing portion (24), a connecting portion (25) and a waterproof portion (26);

the pressing part (24) is positioned inside the through hole (15), the upper end and the lower end of the pressing part (24) are arranged through the through hole (15), and the outer diameter of the pressing part (24) is matched with the inner diameter of the through hole (15);

the waterproof portion (26) is sleeved on the outer side of the pressing portion (24), the connecting portion (25) is located in the middle of the pressing portion (24) and the waterproof portion (26), and the inner side and the outer side of the connecting portion (25) are fixedly connected with the pressing portion (24) and the waterproof portion (26) respectively.

3. A portrait attendance machine as claimed in claim 2, wherein the silicone ring profile (23) comprises a securing ring (27) and a locating ring groove (28);

the fixing ring (27) is fixed on one side, close to the front shell (12), of the rear shell (11), and the fixing ring (27) is arranged on the outer side of the through hole (15) in a surrounding mode;

and a positioning ring groove (28) matched with the top end of the waterproof part (26) is formed in the surface, positioned on the rear shell (11), of the inner side of the fixing ring (27).

4. A portrait attendance machine according to claim 3, wherein the waterproof portion (26) has a loop width (0) · (5) mm greater than that of the collar groove (28), the distance between the inner wall of the collar groove (28) and the inner wall of the perforation (15) matching the loop width of the connection portion (25).

5. The structural waterproof design of the anti-disassembly key of the portrait attendance equipment as claimed in claim 4, wherein one side of the bottom end of the waterproof part (26) is provided with a notch (42).

6. The human attendance device as claimed in claim 2, wherein a button is provided in the middle of the top end face of the PCB board (13), the button being located directly below the waterproof silicone member (14).

7. A portrait attendance machine according to claim 1, wherein the PCB board (13) is located inside the front housing (12), and the PCB board (13) is detachably connected to the front housing (12) by means of a fixing member.

8. A portrait attendance machine according to claim 7, wherein the fixture comprises a mounting (20), a threaded slot (30) and a second screw (21);

mount pad (20) are equipped with the multiunit, multiunit mount pad (20) evenly are fixed in the inner chamber bottom of preceding shell (12), thread groove (30) are seted up in the top middle part of mount pad (20), be equipped with multiunit mounting hole (22) on PCB board (13), the position of mounting hole (22) cooperatees with the position of thread groove (30), just second screw (21) pass mounting hole (22) and with thread groove (30) threaded connection.

9. A portrait attendance machine according to claim 1, wherein a seal is provided between the rear housing (11) and the front housing (12) for increasing the sealing effect;

the sealing element comprises front and rear shell waterproof rings (18) and a mounting groove (19);

mounting groove (19) are equipped with two sets ofly, two sets of one side that backshell (11) and preceding shell (12) are close to each other is seted up respectively in mounting groove (19), and the installation cavity of the waterproof circle of shell (18) around two sets of relative mounting groove (19) that set up form being used for the installation, the waterproof circle of shell (18) is located the inside of installation cavity around, just the size of the waterproof circle of shell (18) and the size phase-match of installation cavity around.

10. A portrait attendance machine according to claim 1, characterized in that the outside of the rear shell (11) and the front shell (12) is provided with sets of mountings for assembling the rear shell (11) and the front shell (12);

the mounting part comprises a mounting plate (31) and a fastener (32);

mounting panel (31) are equipped with two sets ofly, two sets of mounting panel (31) are fixed in the tip surface of backshell (11), preceding shell (12) respectively, and are two sets of be equipped with on mounting panel (31) and be used for carrying out fastener (32) installed mounting panel (31).