TWI806738B - Waterproof gate assembly and electronic device - Google Patents

Abstract

A waterproof gate assembly is configured to be installed on a housing. The waterproof gate assembly includes a cover, an installation axle and a fixing member. The installation axle is connected to the cover, so that the cover could be rotated relative to the installation axle. The installation axle includes an axial groove, a latch structure and a fixing structure. The axial groove is connected to the cover. The axial groove includes a first end portion and a second end portion. The latch structure is connected to a side of the axial groove corresponding to the cover and extends to the first end portion of the axial groove. The latch structure is configured to be bucked to the housing. The fixing structure is connected to a side of the axial groove corresponding to the cover and located near the second end portion of the axial groove. The fixing member is inserted through the fixing structure and fixed on the housing. An electronic device having the waterproof gate assembly is provided too.

Description

Waterproof door assembly and electronic device

This case is related to waterproof door components and electronic devices, especially a waterproof door component that is easy to repair or replace and the electronic devices used therein.

With the diversification of the functions provided by the electronic device, it is common to have multiple openings on the body of the electronic device to provide wires or to connect expansion equipment. In order to provide the waterproof or dustproof purpose of each opening, each opening is usually equipped with a door cover for the user to close the opening when not in use.

On the electronic device with a large number of openings, the structural design of the door cover on the market is to connect the two door covers to the same pivot, and then lock the pivot between the two adjacent openings on the fuselage. In this way, the number of pivots required to arrange the door cover and the used structural space are reduced. The disadvantage of the aforementioned door cover structure design is that when one of the door covers is damaged, both door covers must be replaced at the same time, resulting in a waste of resources. Furthermore, since each door cover must be designed correspondingly to the opening of each model, the existing door cover structure cannot individually change the design of one of the door covers or the opening. For similar models, the possibility of unilateral opening design change is much higher than that of bilateral design change, which also limits the variability of the design, so it needs to be improved.

This case provides a waterproof door assembly, which is suitable for assembly in the casing, including a cover plate, assembly Shaft and fixing parts. The assembling shaft is connected to the cover plate so that the cover plate can rotate relative to the assembling shaft. The assembling shaft includes an axial groove, a buckle structure and a fixing structure. The axial groove is connected to the cover plate, and the axial groove includes a first end and a second end. The buckle structure is connected to one side of the axial groove opposite to the cover plate, and extends to the first end of the axial groove. The buckle structure is suitable for buckling to the casing. The fixing structure is connected to one side of the axial groove opposite to the cover plate and is close to the second end of the axial groove. The fixing part passes through the fixing structure and is fixed to the casing.

Thereby, each water-proof door assembly can be independently assembled in the casing, which is convenient for maintenance or replacement, but the corresponding two water-proof door assemblies can occupy roughly the space of a pivot axis, and at the same time reduce the used structural space.

In some embodiments, the aforementioned axial groove extends in the axial direction, the fixing member extends in a first radial direction perpendicular to the axial direction, the housing includes a first stopper, and the buckle structure abuts against the first stopper, The first stop part restricts the displacement of the assembly shaft in the axial direction and the first radial direction through the buckle structure.

In some embodiments, the aforementioned first stop portion has an end surface and an opening, the opening is adjacent to the end surface, and the buckle structure penetrates into the opening.

In some embodiments, the aforementioned first stop portion has a peripheral surface, and the peripheral surface connects to a part of the end surface and defines an opening.

In some embodiments, the aforementioned peripheral surface has an arc segment adjacent to the opening.

In some embodiments, the aforementioned buckle structure has a slope.

In some embodiments, the aforementioned axial groove extends axially, the casing includes a second stopper, the assembly shaft includes a recess, the second stopper has a contact surface, the recess abuts against the contact surface, and the second stopper Axial displacement of the assembly shaft is restricted through the recess.

In some embodiments, the aforementioned recess is located on the other side of the assembly axis and away from the first end department.

In some embodiments, the aforementioned fixing member extends along a first radial direction perpendicular to the axial direction, the vertical axis and the first radial direction are defined as a second radial direction, and the second stop portion includes a first portion and a first portion connected to each other. Two parts, the first part is connected with the casing and extends along the first radial direction, the second part extends along the second radial direction, and the abutting surface is located on the second part.

In some embodiments, the casing includes a first stopper and a second stopper, the assembling shaft includes a recess, the buckle structure abuts against the first stopper, and the recess abuts against the second stopper.

This case also provides an electronic device, including a casing and a waterproof door assembly. The case has side covers. The waterproof door component is assembled on the casing and includes a cover plate, an assembly shaft and a fixing piece. The assembling shaft is connected to the cover plate so that the cover plate can rotate relative to the assembling shaft. The assembling shaft includes an axial groove, a buckle structure and a fixing structure. The axial groove is connected to the cover plate, and the axial groove includes a first end and a second end. The buckle structure is connected to one side of the axial groove opposite to the cover plate and extends to the first end of the axial groove. The buckle structure is suitable for hooking up with the side cover. The fixing structure is connected to one side of the axial groove opposite to the cover plate and is close to the second end of the axial groove. The fixing part is fixed to the side cover through the fixing structure.

In some embodiments, the aforementioned casing further has a port, and the watertight door assembly further includes a sealing plug adapted to seal the port.

In some embodiments, the aforementioned waterproof door assembly further includes a slide buckle, and the slide buckle is assembled on the cover plate.

This case also provides an electronic device, including a casing and a waterproof door assembly. The case has side covers. The waterproof door component is assembled on the casing and includes a cover plate and an assembly shaft. The assembly shaft is connected to the cover plate and fixed to the side cover, so that the cover plate can rotate relative to the assembly shaft. The assembly shaft includes an axial groove, a buckle structure and a fixing structure. The axial groove is connected to the cover plate and includes a first end and a second end. The buckle structure is connected to one side of the axial groove opposite to the cover plate and extends to the first end of the axial groove. The buckle structure is suitable for hooking up with the side cover. The fixing structure is connected to one side of the axial groove opposite to the cover plate and is close to the second end of the axial groove.

In some embodiments, the casing includes a first stopper and a second stopper, the assembling shaft includes a recess, the buckle structure abuts against the first stopper, and the recess abuts against the second stopper.

G: waterproof door assembly

C: Chassis

C1: side cover

C11: Group setting port

C12: Assembly surface

C121: Fixed part

C13: The first stop

C131: End face

C132: opening

C133: Perimeter

C1331: Arc segment

C14: abutment surface

C15: Second stop

C151: Part 1

C152: Part II

C1521: face to face

C2: inner frame

C21: port

10: Cover

11: Positioning hole

20: Assembling the Shaft

21: axial groove

211: first end

212: second end

22: Buckle structure

221: extension

222: hook

2221: Bevel

23: Fixed structure

24: Concave

30:Fixer

40: sealing plug

41: hook

50:Sliding buckle

51: face

511: Slot

52: side

X: Axial

Y1: the first radial direction

Y2: the second radial direction

[Fig. 1] is an exploded perspective view of the three-dimensional structure of an embodiment of the electronic device including the waterproof door assembly of the present invention.

[Fig. 2] It is an exploded schematic diagram 1 of the three-dimensional structure of one embodiment of the waterproof door assembly in this case with the case.

[Fig. 3] It is an exploded schematic diagram 2 of the three-dimensional structure of one embodiment of the waterproof door assembly in this case with the case.

[Fig. 4] It is a three-dimensional appearance schematic diagram of one embodiment of the waterproof door assembly of the present case.

[Fig. 5] It is a schematic diagram of the local structure of one embodiment of the waterproof door assembly assembled in the case.

[Fig. 6] It is a schematic cross-sectional view of one embodiment of the waterproof door assembly of this case assembled in the casing.

[ FIG. 7 ] is a partially enlarged schematic diagram of the circled location 7 in FIG. 6 .

[Fig. 8] It is a three-dimensional cross-sectional schematic view of one embodiment of the waterproof door assembly of this case, which is assembled with the sliding buckle on the casing.

[ Fig. 9 ] is a partially enlarged schematic diagram of the circled position 9 in Fig. 8 .

Referring to Fig. 1 to Fig. 9, Fig. 1 is an exploded perspective view of the three-dimensional structure of an embodiment of the electronic device including the waterproof door assembly of the present case; Fig. 2 is an exploded schematic diagram of the three-dimensional structure of one embodiment of the waterproof door assembly of the present case with the case; Fig. 3 is one embodiment matching machine of waterproof door assembly of this case The exploded schematic diagram of the three-dimensional structure of the shell II; Figure 4 is a schematic diagram of the three-dimensional appearance of one embodiment of the waterproof door assembly of this case; Figure 5 is a schematic diagram of the local structure of one embodiment of the waterproof door assembly of this case assembled in the casing; Figure 6 is a schematic diagram of the waterproof door assembly of this case A schematic cross-sectional view of one embodiment of the door assembly assembled on the casing; Figure 7 is a partially enlarged schematic diagram of the circled area 7 in Figure 6; Figure 8 is an embodiment of the waterproof door assembly of this case assembled on the casing with a sliding buckle Figure 9 is a partially enlarged schematic diagram of the circled part 9 in Figure 8 .

Referring to FIG. 1 to FIG. 4 , the present application provides a waterproof door assembly G suitable for being assembled in a casing C. Referring to FIG. The waterproof door assembly G includes a cover plate 10 , an assembly shaft 20 and a fixing member 30 . The assembly shaft 20 is connected to the cover plate 10 so that the cover plate 10 can rotate relative to the assembly shaft 20 . The assembly shaft 20 includes an axial groove 21 , a buckle structure 22 and a fixing structure 23 . The axial groove 21 is connected to the cover plate 10 , and the axial groove 21 includes a first end portion 211 and a second end portion 212 . The buckle structure 22 is connected to a side of the axial groove 21 opposite to the cover plate 10 and extends to the first end 211 of the axial groove 21 . The buckle structure 22 is suitable for being buckled to the casing C. The fixing structure 23 is connected to a side of the axial groove 21 opposite to the cover plate 10 and is close to the second end 212 of the axial groove 21 . The fixing member 30 is fixed to the casing C through the fixing structure 23 .

In this way, the waterproof door assembly G can be separately assembled on the casing C, which is convenient for maintenance or replacement.

It is worth noting that, in some embodiments, the waterproof door assembly G can also fix the fixing structure 23 to the casing C without passing through the fixing piece 30, and the fixing structure 23 can be directly fixed to the casing C through snapping or fitting. It is not limited to this.

Referring to FIG. 1 to FIG. 3 , in some embodiments, the waterproof door assembly G is a part of the electronic device. In these embodiments, the electronic device includes a case C and two waterproof door components G. The casing C includes a side cover C1 and an inner frame C2. The side cover C1 has two sets of openings C11 through it, and the inner frame C2 has a through hole. The two ports C21 are worn, the side cover C1 is set on one side of the inner frame C2 and the position of the port C11 of each group corresponds to the position of each port C21, and each waterproof door assembly G is detachably set on the side cover C1 and corresponds to each group Set the position of port C11. Here, connectors can be provided at the corresponding ports C21 in the electronic device as required, such as but not limited to USB type A, micro USB type C, VGA, DVI, HDMI, Displayport, Mini Displayport, RJ45, RJ11, RS232 or card PC (SD, mini SD, micro SD, RF).

Referring to FIG. 3 and FIG. 4 , in some embodiments, the cover plate 10 and the assembly shaft 20 of the waterproof door assembly G are an integral plate structure. The cover plate 10 is used to cover the assembly opening C11 and the port C21 to provide waterproof or dustproof effect.

Referring to FIG. 2 to FIG. 4 , the assembly shaft 20 is connected to one side of the cover plate 10 for assembling to the side cover C1 . In some embodiments, there is an assembly surface C12 between the two assembly openings C11 of the side cover C1. When the cover plate 10 covers the assembly opening C11, the position of the assembly shaft 20 on one side of the cover plate 10 corresponds to the assembly surface. The position of C12 can be assembled on the assembly plane C12.

Referring to FIG. 2 , in the embodiment in which the electronic device is provided with two waterproof door assemblies G, the assembly axis 20 of the second waterproof door assembly G is connected to the same assembly surface C12 . In these embodiments, when the two waterproof door assemblies G are respectively fixed to the same assembly surface C12 with the assembly shafts 20, the assembly shafts 20 of the two waterproof door assemblies G abut against each other, and the assembly shafts 20 of the two waterproof door assemblies G are embedded. It is arranged on the assembly surface C12 in a fit manner.

The assembly shaft 20 is connected to one side of the cover plate 10 with an axial groove 21, and the axial groove 21 extends along the axial direction X and includes a first end portion 211 and a second end portion 212. The assembly shaft 20 and the cover plate 10 is provided with the axial groove 21 so that the cover plate 10 can be rotated relative to the assembly shaft 20 along the axial groove 21, thereby allowing the user to pivot the cover plate 10 according to the needs and change the relative position of the cover plate 10 to the assembly opening. C11 The masking or opening state of .

As shown in FIG. 3 , in some embodiments, the fixing member 30 is a bolt, and the mounting surface C12 of the side cover C1 of the casing C is provided with a fixing portion C121 in the form of a screw hole. The fixing member 30 extends along a first radial direction Y1 perpendicular to the axis X, and the waterproof door assembly G passes through the fixing member 30 and passes through the fixing structure 23 to be locked to the fixing portion C121 on the assembly surface C12 of the side cover C1.

Referring to Fig. 3 and Fig. 4, the buckle structure 22 extends along the axial direction X as a whole and one end is connected to the second end 212 of the axial groove 21, and the overall length of the buckle structure 22 in the axial direction X is shorter than the axial groove The length of 21 in the axial direction X, in some embodiments, the overall length of the buckle structure 22 in the axial direction X is 15%-20% of the length of the axial groove 21 in the axial direction X.

In these embodiments, the buckle structure 22 includes a connected extension section 221 and a hook portion 222. One end of the extension section 221 is connected to the axial groove 21 and extends along the first radial direction Y1. The other end of the extension section 221 Connected to the hook portion 222 , the hook portion 222 extends toward a second radial direction Y2 perpendicular to the first radial direction Y1 , and is fastened to the side cover C1 of the case C through the hook portion 222 of the buckle structure 22 .

5 to 7, in some embodiments, in order to strengthen the stability of the assembly of the cover plate 10 on the side cover C1, the assembly surface C12 of the side cover C1 of the casing C includes a first stopper C13 for locking The buckle structure 22 snaps together. In these embodiments, the appearance of the first stop portion C13 is a cylindrical structure extending along the axial direction X. When the cover plate 10 is assembled on the side cover C1, the cover plate 10 is located on one side of the first stop portion C13. , and the hook portion 222 of the buckle structure 22 extends to the other side of the first stop portion C13 to engage with the first stop portion C13.

In these embodiments, the side cover C1 further includes two abutting surfaces C14, and the two abutting surfaces C14 are vertically connected to two ends of the assembly surface C12 in the axial direction X. As shown in FIG. One end of the first stop portion C13 in the axial direction X extends to one of the abutment surfaces C14, and the other end of the first stop portion C13 in the axial direction X has The end surface C131 of the first stop portion C13 is opposite to the abutment surface C14, whereby an opening C132 is defined between the end surface C131 of the first stop portion C13 and the abutment surface C14. In this way, when the hook portion 222 of the buckle structure 22 penetrates into the opening C132 of the first stopper C13, the end surface C131 of the first stopper C13 and the abutment surface C14 of the side cover C1 can limit the buckle structure. The displacement of 22 in the axial direction X improves the stability of the assembly of the cover plate 10 on the side cover C1. Moreover, the first end portion 211 of the axial groove 21 is engaged with the first stop portion C13 through the buckle structure 22, and the second end portion 212 of the axial groove 21 can be locked through the fixing member 30. Fixed to further provide a fixed effect.

In the embodiment in which the electronic device is provided with the second waterproof door assembly G, since the assembly shaft 20 of the second waterproof door assembly G is connected to the same group design surface C12, in order to fully utilize the assembly surface C12, it is necessary to connect to the same group design surface C12. The two waterproof door components G on the surface C12 present different orientations. In these embodiments, the two waterproof door components G are in a state of deflecting 180 degrees. Specifically, one of the waterproof door components G can be turned into another waterproof door by pivoting 180 degrees around the first radial direction Y1 as the rotation axis. Orientation of component G. In this way, when the assembly shafts 20 of the second waterproof door assembly G are connected to the same assembly surface C12, the fixing structures 23 of the assembly shafts 20 of the second waterproof door assembly G are staggeredly arranged on the assembly surface in the axial direction X State C12, and the fixing structure 23 of one waterproof door assembly G is adjacent to the buckle structure 22 of the other waterproof door assembly G at the same axial X position.

In contrast, on the assembly surface C12, in order to cooperate with the assembly of the aforementioned waterproof door assembly G, the first stop portions C13 on the assembly surface C12 are respectively located at different positions in the axial direction X, and each first stop portion C13 is located at It is adjacent to the second stop portion C15 at the same axial X position. In this way, referring to Fig. 6 and Fig. 7, Fig. 6 and Fig. 7 are cross-sectional views at the same axial X position on the assembly surface C12, therefore, Fig. 6 and Fig. 7 can see the adjacent first stopper part C13 With the second stop C15. And the first stop part C13 shown in Fig. 6 and Fig. 7 is one of them that cooperates with two waterproof door assemblies G, and the second stop part C15 is then It is another one that cooperates with the second waterproof door assembly G.

5 to 7, in some embodiments, in order to further improve the stability of the assembly of the cover plate 10 on the side cover C1, the first stop portion C13 has a peripheral surface C133, and the peripheral surface C133 is connected to the first stop portion C13 Between two ends in the axial direction X and opposite to the opening C132 in the second radial direction Y2. In this way, when the hook portion 222 of the buckle structure 22 penetrates the opening C132 of the first stopper C13, the peripheral surface C133 of the first stopper C13 can limit the displacement of the buckle structure 22 in the second radial direction Y2 , to further improve the stability of the assembly of the cover plate 10 on the side cover C1.

Referring to Fig. 5 to Fig. 7, in some embodiments, in order to ensure the smooth movement of the buckle structure 22 on the first stop part C13, the peripheral surface C133 of the first stop part C13 has an arc segment C1331, the arc The segment C1331 is adjacent to the opening C132 , and the hook portion 222 of the buckle structure 22 has an inclined surface 2221 . Thereby, during the process of buckling the buckle structure 22 into the first stopper C13, the buckle structure 22 can be assembled with the slope 2221 relative to the arc segment C1331 of the peripheral surface C133 of the first stopper C13 , the slope 2221 of the buckle structure 22 and the arc segment C1331 of the first stopper C13 can guide each other and make the hook 222 of the buckle structure 22 snap into the opening C132, reducing the difficulty of assembly and improving the convenience of assembly sex.

Referring to FIGS. 5 to 7 , in some embodiments, in order to further improve the stability of the cover plate 10 assembled on the side cover C1, the side cover C1 of the casing C further includes a second stop portion C15, the second stopper The portion C15 protrudes from the assembly surface C12 and has a contact surface C1521 perpendicular to the assembly surface C12 , and the assembly shaft 20 includes a concave portion 24 . When the cover plate 10 is assembled on the side cover C1 through the assembly shaft 20, the concave portion 24 of the assembly shaft 20 abuts against the contact surface C1521 of the second stop portion C15, whereby the displacement of the assembly shaft 20 in the axial direction X is affected by the second The limitation of the two stoppers C15 improves the stability of the assembly of the cover plate 10 on the side cover C1 through the assembly shaft 20 .

In these embodiments, the second stop portion C15 includes a first portion C151 and a second portion C152 connected to each other. The first portion C151 is connected to the assembly surface C12 of the side cover C1 of the casing C and extends along the first radial direction Y1. The second portion C152 extends along the second radial direction Y2, and the abutting surface C1521 is located in the second portion C152 and parallel to the abutting surface C14 of the side cover C1. In addition, as shown in FIG. 3 and FIG. 4 , the recess 24 of the assembly shaft 20 is located on one side of the assembly shaft 20 opposite to the cover plate 10 , and viewed from the position on the axial direction X, the second end of the axial groove 21 The portion 212 is closer to the concave portion 24 of the assembly shaft 20 than the first end portion 211 . In this way, the cooperation between the concave portion 24 of the assembly shaft 20 and the second stop portion C15 can further improve the stability of the assembly of the cover plate 10 to the side cover C1 through the assembly shaft 20 .

Referring to Fig. 1 and Fig. 2, in some embodiments, the waterproof door assembly G also includes a sealing plug 40, the shape of the sealing plug 40 corresponds to the shape of the port C21 of the inner frame C2 of the casing C, when the electronic device has high waterproof requirements and high security When using or requiring high confidentiality, the sealing plug 40 is set on the port C21 to close the port C21, avoiding the entry of water vapor, preventing the confidential information in the electronic device from being stolen, and also preventing the cover 10 from being accidentally opened to cause a flash gas explosion. risks of.

In these embodiments, in order to improve the stability of the sealing plug 40, the sealing plug 40 includes a plurality of hooks 41, and each hook 41 is protruding from the surface of the sealing plug 40, and the cover plate 10 is provided with a number corresponding to each hook 41 and position of the positioning holes 11, when the cover plate 10 is assembled on the side cover C1 through the assembly shaft 20, each hook 41 of the sealing plug 40 is hooked to each positioning hole 11 of the cover plate 10, so as to improve the stability of the sealing plug 40 sex.

Referring to Fig. 1 and Fig. 2 together with Fig. 8 and Fig. 9, in some embodiments, in order to further improve the safety and airtightness of the waterproof door assembly G, the waterproof door assembly G further includes a sliding buckle 50, the sliding buckle 50 is It is a U-shaped cover structure and includes a face 51 and two opposite side parts 52. The face 51 of the slider 50 has a sleeve groove 511, and the slider 50 is slidably socketed on the cover plate 10 by the sleeve groove 511. The hook 41 of the sealing plug 40 passes through the hole 11 , and the two side portions 52 of the slider 50 are slidably sleeved on the inner frame C2 and can be moved between the release position and the lock position. In this way, when the cover 10 does not need to be opened, the slide button 50 can be moved to the locking position to be locked on the inner frame C2 and cover the cover 10, and when the cover 10 needs to be opened, the slide button 50 can be moved to the release position The inner frame C2 can be released to open with the cover 10 , so that the user can release or lock the slide button 50 according to needs, thereby improving the safety of use.

In some embodiments, the aforementioned electronic device is, for example, a notebook computer, a tablet computer, a keyboard, a keyboard docking station, a camera, or a mobile phone.

Although the present disclosure has been disclosed above with some embodiments, it is not intended to limit the present disclosure. Anyone with ordinary knowledge in the technical field may make some changes and modifications without departing from the spirit and scope of the present disclosure. Therefore, the scope of patent protection in this case must be defined by the scope of patent application attached to this specification.

G: waterproof door assembly

C: Chassis

C1: side cover

C11: Group setting port

C12: Assembly surface

C121: Fixed part

C14: abutment surface

C2: inner frame

C21: port

10: Cover

11: Positioning hole

20: Assembling the Shaft

21: axial groove

211: first end

212: second end

22: Buckle structure

23: Fixed structure

24: Concave

30:Fixer

40: sealing plug

41: hook

50:Sliding buckle

X: Axial

Y1: the first radial direction

Y2: the second radial direction

Claims (20)

A waterproof door assembly suitable for being assembled in a cabinet, comprising: a cover; An assembly shaft, connected to the cover plate, so that the cover plate can rotate relative to the assembly shaft, the assembly shaft includes: an axial groove connected to the cover plate, the axial groove includes a first end and a second end; a buckle structure, connected to one side of the axial groove opposite to the cover plate, and extending to the first end of the axial groove, the buckle structure is suitable for buckling on the casing; and a fixing structure, connected to one side of the axial groove opposite to the cover plate, and close to the second end of the axial groove; and A fixing part is fixed on the casing through the fixing structure. The waterproof door assembly as claimed in item 1, wherein the axial groove extends along an axial direction, the fixing member extends along a first radial direction perpendicular to the axial direction, and the casing includes a first stop portion , the buckle structure leans against the first stopper portion, and the first stopper portion restricts displacement of the assembly shaft in the axial direction and the first radial direction through the buckle structure. The waterproof door assembly according to claim 2, wherein the first stop portion has an end surface and an opening, the opening is adjacent to the end surface, and the buckle structure passes through the opening. The waterproof door assembly as claimed in claim 3, wherein the first stop portion has a peripheral surface, and the peripheral surface connects to a part of the end surface and defines the opening. The waterproof door assembly as claimed in claim 4, wherein the peripheral surface has an arc section adjacent to the opening. The waterproof door assembly according to claim 5, wherein the buckle structure has an inclined surface. The waterproof door assembly as described in claim 1, wherein the axial groove extends along an axial direction, the casing includes a second stopper, the assembly shaft includes a recess, and the second stopper has a stop The concave portion abuts against the abutting surface, and the second stopper restricts the displacement of the assembly shaft in the axial direction through the concave portion. The waterproof door assembly as claimed in claim 7, wherein the recess is located on the other side of the assembling axis and away from the first end. The waterproof door assembly according to claim 8, wherein the fixing member extends along a first radial direction perpendicular to the axial direction, and the vertical direction and the first radial direction are defined as a second radial direction, and the second radial direction is defined as a second radial direction. The stop part includes a first part and a second part connected to each other, the first part is connected to the casing and extends along the first radial direction, the second part extends along the second radial direction, and the abutting surface is located at the the second part. The waterproof door assembly according to claim 1, wherein the casing includes a first stopper and a second stopper, the assembly shaft includes a concave part, and the buckle structure is against the first stopper , the recess abuts against the second stopper. An electronic device comprising: a case having a side cover; and A waterproof door assembly, assembled in the casing, including: a cover; An assembly shaft, connected to the cover plate, so that the cover plate can rotate relative to the assembly shaft, the assembly shaft includes: an axial groove connected to the cover plate, the axial groove includes a first end and a second end; a buckle structure, connected to one side of the axial groove opposite to the cover plate, and extending to the first end of the axial groove, the buckle structure is suitable for hooking on the side cover; and a fixing structure, connected to one side of the axial groove opposite to the cover plate, and close to the second end of the axial groove; and A fixing part is fixed on the side cover through the fixing structure. The electronic device according to claim 11, wherein the axial groove extends along an axial direction, the fixing member extends along a first radial direction perpendicular to the axial direction, and the side cover includes a first stopper portion, The buckle structure abuts against the first stop portion, and the first stop portion restricts displacement of the assembly shaft in the axial direction and the first radial direction through the buckle structure. The electronic device according to claim 12, wherein the first stop portion has an end surface and an opening, the opening is adjacent to the end surface, and the buckle structure passes through the opening. The electronic device according to claim 11, wherein the axial groove extends along an axial direction, the housing includes a second stopper, the assembly shaft includes a recess, and the second stopper has an abutment surface , the recess abuts against the abutting surface. The electronic device as claimed in claim 14, wherein the recess is located on the other side of the assembling axis and away from the first end. The electronic device according to claim 14, wherein the fixing member extends along a first radial direction perpendicular to the axial direction, and the vertical direction and the first radial direction are defined as a second radial direction, and the second stop The blocking part includes a first part and a second part connected to each other. The first part is connected to the housing and extends along the first radial direction. The second part extends along the second radial direction. The abutting surface is located on the second radial direction. two parts. The electronic device as claimed in claim 11, wherein the casing further has a port, and the waterproof door assembly further includes a sealing plug adapted to seal the port. The electronic device as claimed in claim 11, wherein the waterproof door assembly further includes a slide button, and the slide button is assembled on the cover plate. An electronic device comprising: a case having a side cover; and A waterproof door assembly, assembled in the casing, including: a cover plate; and An assembly shaft, connected to the cover plate and fixed to the side cover, so that the cover plate can rotate relative to the assembly shaft, the assembly shaft includes: an axial groove connected to the cover plate, the axial groove includes a first end and a second end; a buckle structure, connected to one side of the axial groove opposite to the cover plate, and extending to the first end of the axial groove, the buckle structure is suitable for hooking on the side cover; and A fixing structure is connected to a side of the axial groove opposite to the cover plate and is close to the second end of the axial groove. The electronic device according to claim 19, wherein the casing includes a first stopper and a second stopper, the assembly shaft includes a recess, and the buckle structure abuts against the first stopper, The recess abuts against the second stopper.

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