CN118119116A - Electronic equipment and shell assembly thereof - Google Patents

Abstract

The invention provides a shell assembly, which comprises a first shell, a second shell and a dustproof mechanism, wherein the first shell comprises a positioning frame, and the positioning frame comprises a sliding guide part; the second shell comprises a sliding frame, the sliding frame comprises a sliding part which is connected with the sliding guide part in a sliding way, and a gap is reserved between the sliding part and the sliding guide part; the dustproof mechanism comprises a dustproof piece located between the sliding part and the sliding guide part, the dustproof piece comprises a first connecting part, a second connecting part and a sinking residual part located between the first connecting part and the second connecting part, the first connecting part and the second connecting part are respectively connected to the sliding part, and the sinking residual part is used for sealing a gap. The dustproof part of the dustproof mechanism is arranged in the gap between the first shell and the second shell, the sinking part of the dustproof part can be slidably and hermetically arranged in the gap, and the sinking part can absorb poor gap tolerance to block gaps with different sizes, so that the dustproof effect is improved. The invention also provides electronic equipment provided with the shell assembly.

Description

Electronic equipment and shell assembly thereof

Technical Field

The present disclosure relates to electronic devices, and particularly to a slidable electronic device and a housing assembly thereof.

Background

With the development and application of flexible screens, electronic devices with variable screen shapes, such as folding screen mobile phones, slidable rolling screen mobile phones and the like, have been developed in the related art. Taking a mobile phone with a sliding rolled screen as an example, the mobile phone with the sliding rolled screen comprises two shells which can be connected with each other in a sliding way, and the two shells are generally pushed to be away from each other or close to each other by adopting a motor, so that the rolling screen is unfolded or rolled. A gap is formed between the two shells, and impurities such as external dust can enter the electronic equipment from the gap, so that a dustproof structure in a rotating mode is generally adopted in the prior art for dustproof; however, the structure of the existing dustproof structure is complex, the occupied space is large, and the dustproof effect is poor.

Disclosure of Invention

In view of the above, the embodiment of the invention provides a housing assembly and a rollable electronic device provided with the housing.

The embodiment of the invention provides a shell assembly, which comprises a first shell, a second shell and a dustproof mechanism, wherein the first shell comprises a positioning frame, and the positioning frame comprises a sliding guide part; the second shell comprises a sliding frame, the sliding frame comprises a sliding part which is connected with the sliding guide part in a sliding way, and a gap is reserved between the sliding part and the sliding guide part; the dustproof mechanism comprises a dustproof piece located between the sliding part and the sliding guiding part, the dustproof piece comprises a first connecting part, a second connecting part and a sinking residual part located between the first connecting part and the second connecting part, the first connecting part and the second connecting part are respectively connected with the sliding part, and the sinking residual part is used for sealing the gap.

The embodiment of the invention also provides electronic equipment, which comprises a shell component and a roll screen, wherein the roll screen comprises a positioning part and a roll part, the back surface of the positioning part is connected with a first shell of the shell component, the back surface of the roll part is wound on a second shell of the shell component, in the process that the second shell is unfolded or contracted relative to the first shell, a dust-proof piece of a dust-proof mechanism slides relative to the first shell along with the second shell, and the roll part is unfolded or rolled along with the second shell.

The first shell and the second shell of the electronic equipment are connected in a matched sliding manner, and the dustproof piece slides along with the second shell in a sealing manner on the gap, so that impurities such as dust particles can be driven to run outwards, and external impurities such as dust can be prevented from entering the electronic equipment from the gap; compared with the existing dustproof structure in a rotating mode, the dustproof piece of the dustproof mechanism is arranged in the gap between the first shell and the second shell, the sinking and remaining part of the dustproof piece can be slidably and hermetically arranged in the gap, and the sinking and remaining part can absorb poor gap tolerance to block gaps with different sizes, so that the dustproof effect is improved.

Drawings

In order to more clearly illustrate the technical scheme and the efficacy of the present invention, the following detailed description is given with reference to the accompanying drawings and the specific embodiments.

FIG. 1 is a schematic perspective view of an electronic device according to an embodiment of the invention;

FIG. 2 is a schematic perspective view of the electronic device of FIG. 1 from another perspective;

FIG. 3 is an exploded view of the slide roller screen and housing of FIG. 1;

FIG. 4 is a schematic perspective view of the roll-up screen and housing of FIG. 3 from another perspective;

FIG. 5 is a further exploded perspective view of the electronic device of FIG. 3;

FIG. 6 is a further exploded perspective view of the electronic device of FIG. 4;

FIG. 7 is an enlarged perspective view of the dust-proof mechanism of FIG. 5;

FIG. 8 is an enlarged view of section VIII of FIG. 5;

FIG. 9 is an enlarged view of portion IX of FIG. 6;

FIG. 10 is a perspective cross-sectional view of the electronic device of FIG. 1;

FIG. 11 is a schematic cross-sectional view of the electronic device of FIG. 10;

fig. 12 is an enlarged view of part XII in fig. 11;

FIG. 13 is a schematic perspective view of the electronic device of FIG. 1 in a rolled state;

Fig. 14 is a schematic perspective view of the electronic device of fig. 13 from another perspective;

FIG. 15 is a perspective cross-sectional view of the electronic device of FIG. 13;

FIG. 16 is a schematic cross-sectional view of the electronic device of FIG. 15;

Fig. 17 is an enlarged view of the XVII portion in fig. 16.

The main reference numerals illustrate:

100. An electronic device; 20. a housing assembly; 201. a gap; 21. a first housing; 221. a bottom wall; 2214. a clamping hole; 22. a positioning frame; 220. a slide guide part; 222. a first guide slide plate; 223. a guide chute; 2232. a slide guiding surface; 224. a second guide slide plate; 2240. a first guide chute; 226. a positioning part; 2260. a positioning groove; 23. a first support frame; 230. a first support plate; 231. a positioning groove; 232. a first sidewall; 234. a first end wall; 235. a guide chute; 237. a first accommodation space; 25. a second housing; 26. a sliding frame; 260. a sliding part; 261. a second sidewall; 2613. positioning holes; 263. a second end wall; 264. a first slide plate; 2641. a sliding surface; 2643. a limit part; 265. a second slide plate; 267. a second accommodation space; 27. a second support frame; 271. a second support plate; 273. a slide guide bar; 275. positioning columns; 28. a drive assembly; 281. a driving member; 283. a transmission member; 29. a back cover; 291. a guide chute; 33. sliding a roll screen; 332. a positioning part; 40. sliding a roll screen; 42. a positioning part; 45. a roll sliding part; 50. a main board; 60. a power supply; 70. a dust-proof mechanism; 71. a dust-proof member; 711. a first connection portion; 713. a second connecting portion; 715. a remainder of the sediment; 72. a first positioning member; 75. and a second positioning piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It is noted that reference herein to "an embodiment" or "implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The terms "first" and "second" as used herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "plurality" means two or more, unless specifically defined otherwise. In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "disposed on … …" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-7, an electronic device 100 according to an embodiment of the present invention may be applied to a mobile phone, a tablet computer, a notebook computer, a smart watch, a portable multimedia player, an ambulatory medical device, a cellular phone, or other handheld or portable electronic device, a television, a computer display without an embedded computer, a game device, a navigation device, an embedded system, etc.; in this embodiment, a mobile phone is taken as an example for specific explanation. The electronic device 100 in the present embodiment includes a housing assembly 20, a roll screen 40, a main board 50 and a power supply 60 disposed in the housing assembly 20, and a dust-proof mechanism 70; the housing assembly 20 may be, but is not limited to, a telescoping housing, a folding housing, etc., and in this embodiment, a telescoping housing is specifically described. Specifically, the housing assembly 20 includes a first housing 21, a second housing 25, and a driving assembly 28, the dust-proof mechanism 70 and the driving assembly 28 are disposed between the first housing 21 and the second housing 25, the second housing 25 and the first housing 21 are slidably connected to each other along a sliding direction (i.e., an X-axis direction) by the driving assembly 28, so that the first housing 21 and the second housing 25 can be mutually contracted or mutually expanded, and the dust-proof mechanism 70 is used for preventing impurities such as external dust from entering the interior of the electronic device 100 from a gap between the first housing 21 and the second housing 25; the main board 50 is electrically connected to the power source 60, the scrolling screen 40 and the driving assembly 28, and the power source 60 is used for supplying power to the main board 50, the scrolling screen 40 and the driving assembly 28. The first housing 21 includes a positioning frame 22 and a first supporting frame 23 positioned on the front surface of the positioning frame 22, the positioning frame 22 includes a sliding guide portion 220, the second housing 25 includes a sliding frame 26 and a second supporting frame 27 positioned on the front surface of the sliding frame 26, the sliding frame 26 includes a sliding portion 260 slidably connected to the sliding guide portion 220, and a gap 201 is provided between the sliding portion 260 and the sliding guide portion 220 (as shown in fig. 12); the dust-proof mechanism 70 includes a dust-proof member 71 located between the sliding portion 260 and the slide guiding portion 220, the dust-proof member 71 includes a first connecting portion 711, a second connecting portion 713, and a surplus portion 715 located between the first connecting portion 711 and the second connecting portion 713, and the first connecting portion 711 and the second connecting portion 713 are connected to the sliding portion 260, respectively. Specifically, the first connection portion 711 and the second connection portion 713 are respectively connected to a side of the sliding portion 260 facing the sliding guide portion 220, and the countersunk portion 715 is used for sealing the gap 201. The roll screen 40 includes a positioning portion 42 and a roll portion 45, wherein a back surface of the positioning portion 42 is connected to the first housing 21, specifically, a back surface of the positioning portion 42 is connected to a front surface of the first supporting frame 23; the back surface of the roll portion 45 is wound around the second housing 25, and the dust-proof member 71 sealingly slides in the gap 201 with the second housing 25 with respect to the first housing 21 during the expansion or contraction of the second housing 25 with respect to the first housing 21, and the roll portion 45 expands or rolls with the second housing 25.

In the present invention, the front surface means the same surface as the light emitting surface of the positioning portion 42 of the rolled screen 40, and the back surface means the opposite surface to the light emitting surface of the positioning portion 42 of the rolled screen 40; the X-axis direction refers to the sliding direction of the second housing 25 with respect to the first housing 21, the Y-axis direction refers to the sliding axis direction parallel to the sliding roller axis line of the sliding roller screen 40, and the Z-axis direction refers to the direction perpendicular to both the X-axis direction and the Y-axis direction, that is, the Z-axis direction is the thickness direction of the electronic device 100.

In the electronic device 100, the first shell 21 and the second shell 25 are mutually matched and slidably connected through the driving of the driving assembly 28, and the dustproof piece 71 slides in a sealed manner in the gap 201 along with the second shell 25, so that impurities such as dust particles can be driven to run outwards, and external impurities such as dust can be prevented from entering the electronic device 100 from the gap 201; compared with the existing dust-proof structure in a rotating form, the dust-proof member 71 of the dust-proof mechanism 70 of the present invention is disposed in the gap 201 between the first housing 21 and the second housing 25, the sinking portion 715 of the dust-proof member 71 is slidably blocked in the gap 201, and the sinking portion 715 can block gaps of different sizes, that is, the sinking portion 715 can absorb poor gap tolerance, so as to improve the dust-proof effect.

As shown in fig. 5 and 6, the first supporting frame 23 and the positioning frame 22 may be fixedly connected by, but not limited to, gluing or screwing, for example, the first supporting frame 23 and the positioning frame 22 are fixedly connected by matching a clamping post and a clamping hole. The positioning frame 22 includes a rectangular bottom wall 221, and the sliding guide portion 220 includes a first sliding guide plate 222 disposed in a middle portion of one side of the bottom wall 221, and two second sliding guide plates 224 disposed at two opposite ends of one side of the bottom wall 221, where the two opposite ends of the first sliding guide plate 222 are respectively connected to the two second sliding guide plates 224. The rear surface of the second guide sliding plate 224 does not have the first guide chute 2240 in the X-axis direction. The sliding guide portion 220 is provided with a sliding guide groove 223 on a side facing the sliding portion 260, and two first sliding guide grooves 2240 are communicated with the sliding guide groove 223, and the sliding portion 260 is slidably accommodated in the sliding guide groove 223. The guide slide 220 includes a guide slide surface 2232 facing the guide slide groove 223, that is, the rear surface of the first guide slide 222 is the guide slide surface 2232. The sliding guide 220 is provided with a positioning portion 226 on a side close to the sliding portion 260, and specifically, the positioning portion 226 is provided on a side of the first sliding guide 222 away from the bottom wall 221. In this embodiment, the positioning portion 226 is a positioning strip disposed on a side surface of the first sliding guide 222 facing away from the first sliding guide 2240, the positioning strip being located on a side of the first sliding guide facing away from the bottom wall 221, and the positioning strip extending along the Y-axis direction. The positioning portion 226 is provided with a positioning groove 2260, and the positioning groove 2260 extends along the length direction of the positioning bar, that is, the positioning groove 2260 extends along a direction perpendicular to the sliding direction of the sliding portion 220 relative to the sliding guide portion 220. The front surface of the bottom wall 221 is provided with a plurality of clamping holes 2214.

The first supporting frame 23 includes a first supporting plate 230, a first side wall 232, and two first end walls 234, the first side wall 232 is disposed on one side of the back of the first supporting plate 230, and the two first end walls 234 are connected to opposite ends of the first side wall 232 and to opposite ends of the first supporting plate 230; the first support plate 230, the first side wall 232, and the two first end walls 234 define a first accommodating space 237. The front surface of the first support plate 230 is provided with a positioning slot 231, the positioning slot 231 is used for positioning the positioning portion 42 of the scrolling screen 40, and one side of the positioning slot 231 facing away from the first side wall 232 penetrates through the side surface of the first support plate 230. The first support plate 230 is provided with a plurality of guide sliding grooves 235 on one side of the bottom surface of the positioning groove 231 away from the first side wall 232, wherein one end of each guide sliding groove 235 away from the first side wall 232 penetrates through the side surface of the first support plate 230, and the plurality of guide sliding grooves 235 are arranged along a direction parallel to the first side wall 232, i.e. the plurality of guide sliding grooves 235 are arranged along the Y-axis direction.

The sliding frame 26 further includes a second side wall 261 and second end walls 263 disposed at opposite ends of the second side wall 261, the sliding portion 260 is disposed at one side of the second side wall 261, and opposite ends of the sliding portion 260 are respectively connected to the two second end walls 263. Specifically, the sliding portion 260 includes a first sliding plate 264 provided at a middle portion of the second side wall 261 and two second sliding plates 265 provided at opposite ends of one side of the second side wall 261. The first sliding plate 264, the second side wall 261 and the two second end walls 263 enclose a second accommodating space 267, the two second sliding plates 265 are accommodated in the second accommodating space 267, and the second sliding plates 265 extend along the X-axis direction. The sliding portion 260 further includes a sliding surface 2641 facing the guide chute 223, that is, the sliding surface 2641 faces the second accommodating space 267. The sliding surface 2641 is provided with a stopper 2643 on a side away from the second side wall 261. In this embodiment, the limiting portion 2643 is a limiting bar protruding from one side of the sliding surface 2641 away from the second side wall 261, and the limiting bar extends along the Y-axis direction. Optionally, an outer side surface of the second side wall 261 facing away is an arc surface, so as to facilitate the rolling or unrolling of the rolling portion 45 of the rolled screen 40 around the sliding frame 26. Further, a rolling guide column is disposed on the second side wall 261, and the rolling guide column and the arc surface of the second side wall 261 share the same axis.

The housing assembly 20 further includes a back cover 29 disposed on the back surface of the sliding frame 26, a sliding groove 291 is disposed between the sliding frame 26 and the back cover 29, and the sliding roll portion 45 is slidably accommodated in the sliding groove 291. The back cover 29 prevents foreign substances such as dust from the outside from entering the inside of the electronic apparatus 100 from the back surface of the slide frame 26.

The second support frame 27 includes a second support plate 271 and a plurality of sliding guide strips 273 disposed on the side of the second support plate 271, wherein the sliding guide strips 273 are arranged at intervals along the Y-axis direction, and the sliding guide strips 273 are slidably inserted into the sliding guide grooves 235 of the first support frame 23. The second supporting frame 27 is connected to the front surface of the sliding frame 26, and the second supporting frame 27 and the sliding frame 26 may be fixedly connected by, but not limited to, clamping, screwing, or gluing. In this embodiment, the second supporting frame 27 and the sliding frame 26 are fixedly connected by matching a clamping column and a clamping hole, the clamping column is arranged on one of the second supporting frame 27 and the sliding frame 26, and the clamping hole is arranged on the other of the second supporting frame 27 and the sliding frame 26; specifically, the front surface of the sliding frame 26 is provided with a plurality of positioning holes 2613, the second supporting frame 27 is provided with a plurality of positioning posts 275, and the plurality of positioning posts 275 can be respectively clamped in the plurality of positioning holes 2613.

The driving assembly 28 includes a driving member 281 and a transmission member 283 connected to the driving member 281, the driving assembly 28 is disposed between the positioning frame 22 and the first supporting frame 23, and the driving assembly 28 can be fixedly connected to the positioning frame 22 and/or the first supporting frame 23. The transmission member 283 is configured to drive the second housing 25 to slide along the X-axis direction relative to the first housing 21. Specifically, the driving member 281 includes a gear, and the transmission member 283 is a rack engaged with the gear, and the rack is connected to the sliding frame 26 and extends along the X-axis direction; when the driving member 281 drives the gear to rotate, the second housing 25 is driven to slide along the X-axis direction relative to the first housing 21.

As shown in fig. 5-12, the first connecting portion 711 and the second connecting portion 713 are connected to the sliding surface 2641, when the sliding portion 260 of the sliding frame 26 is accommodated in the guiding slot 223 of the positioning frame 22, the sliding surface 2641 faces the guiding sliding surface 2232, a gap 201 is provided between the sliding surface 2641 and the guiding sliding surface 2232, and the dust-proof member 71 is located in the gap 201 and is clamped by the sliding portion 260 and the guiding sliding portion 220; when the sliding portion 260 slides relative to the sliding guide portion 220, the second connecting portion 713 of the dust-proof member 71 slidably contacts the sliding guide surface 2232, and the countersunk portion 715 is located between the sliding surface 2641 and the sliding guide surface 2232, so that the countersunk portion 715 can completely close the gap 201 between the sliding surface 2641 and the sliding guide surface 2232, so as to prevent impurities such as dust from entering the interior of the electronic device 100 from the gap between the sliding portion 260 and the sliding guide portion 220.

The dust-proof mechanism 70 further includes a first positioning member 72 disposed at the second connecting portion 713 and a second positioning member 75 disposed at the sliding guide portion 220, where the first positioning member 72 and the second positioning member 75 are detachably positioned when the first housing 21 and the second housing 25 are in the extended state. In this embodiment, the first positioning member 72 is located on the sliding surface 2641 near the limiting portion 2643, and the second positioning member 75 is provided with a positioning portion 226, specifically, the second positioning member 75 is positioned in the positioning groove 2260. The first positioning member 72 and the second positioning member 75 may be detachably magnetically attached, detachably clamped, or detachably glued, etc.

In this embodiment, the first positioning member 72 and the second positioning member 75 can be detachably magnetically attracted, specifically, the first positioning member 72 is a first magnetic attraction member disposed at the second connecting portion 713, and the second positioning member 75 is a second magnetic attraction member disposed at the sliding guide portion 220. When the first housing 21 and the second housing 25 are in the unfolded state, the first magnetic attraction piece and the second magnetic attraction piece are attracted to each other to be positioned; when the first housing 21 and the second housing 25 are in the closed state, the first positioning member 72 and the second positioning member 75 are away from each other, and no magnetic attraction exists therebetween. Alternatively, the first positioning member 72 may be a permanent magnet, and the second positioning member 75 may be an iron bar; the first positioning member 72 may be an iron bar, and the second positioning member 75 may be a permanent magnet; the first positioning piece 72 and the second positioning piece 75 are both permanent magnets or electromagnets; or one of the first positioning member 72 and the second positioning member 75 is a permanent magnet, and the other is an electromagnet; the first positioning member 72 and the second positioning member 75 have a magnetic attraction therebetween when they are brought close to each other.

As shown in fig. 7, the second connecting portion 713 is a connecting bar disposed on one side of the countersunk portion 715, the connecting bar is provided with a connecting groove 7132 along a length direction thereof, and the first positioning member 72 (i.e., the first magnetic member) is disposed through the connecting groove 7132. In this embodiment, the connecting groove 7132 extends along the length direction of the connecting bar, and opposite ends of the connecting groove 7132 respectively pass through opposite end surfaces of the connecting bar, the first positioning member 72 is a strip-shaped magnetic member, and the first positioning member 72 is disposed in the connecting groove 7132 in a penetrating manner. In some embodiments, a connection groove is formed on one side surface of the second connection portion 713, for example, on a side surface of the second connection portion 713 facing away from the sliding surface 2641, and the connection groove extends along a length direction of the connection bar. The second positioning piece 75 is a strip-shaped second magnetic attraction piece, and the second magnetic attraction piece is accommodated in the positioning groove 2260; when the second magnetic attraction piece is positioned in the positioning groove 2260, the surface of the second magnetic attraction piece facing the sliding surface 2641 does not protrude from the sliding guide surface 2232.

Optionally, the outer surface of the first positioning member 72 (i.e., the first magnetic member) is provided with a magnetic conductive sheet except for the side facing the sliding surface 2232, and/or the outer surface of the second positioning member 75 (i.e., the second magnetic member) is provided with a magnetic conductive sheet except for the side facing the sliding surface 2641. Specifically, in some embodiments, the outer surface of the first magnetic attraction member is provided with a magnetic conductive sheet except for the side facing the sliding surface 2232, and the outer surface of the second magnetic attraction member is not provided with a magnetic conductive sheet; in some embodiments, the outer surface of the second magnetic element is provided with a magnetic conductive sheet except for the side facing the sliding surface 2641, and the outer surface of the first magnetic element is not provided with a magnetic conductive sheet; in some embodiments, the outer surface of the first magnetic attraction piece is provided with a magnetic conductive sheet except for the side facing the sliding surface 2232, and the outer surface of the second magnetic attraction piece is provided with a magnetic conductive sheet except for the side facing the sliding surface 2641. The magnetic conductive sheet is used for gathering the magnetic force of the magnetic member and improving the magnetic attraction between the first positioning member 72 and the second positioning member 75.

Optionally, the dust-proof member 71 is a dust-proof net, and the countersunk portion 715 is disposed near the second connecting portion 713. Specifically, the dust-proof net is a rectangular sheet, one side of the dust-proof net wraps the first positioning piece 72 and is fixed by braiding or adhesive, so as to form a second connecting portion 713, the second connecting portion 713 is connected to one side of the sliding surface 2641, which is close to the limiting portion 2643, the opposite side of the dust-proof net is a first connecting portion 711, and the first connecting portion 711 is connected to the other side of the sliding surface 2641, which is far from the limiting portion 2643; at this time, the limiting portion 2643 is located between the first connecting portion 711 and the second connecting portion 713, and the second connecting portion 713 abuts against the limiting portion 2643 to prevent the second connecting portion 713 from moving on the sliding surface 2641. The connection between the first connection portion 711 and the sliding surface 2641 and the connection between the second connection portion 713 and the sliding surface 2641 may be, but not limited to, glue, screw, or clip, and in this embodiment, the first connection portion 711 and the second connection portion 713 are respectively connected to the sliding portion 260 by glue.

In some embodiments, the dust guard 71 may be, but is not limited to, a flexible rubber sheet, a flexible plastic sheet, a flexible silicone sheet, or the like.

Referring to fig. 1-12, when the electronic device 100 is assembled, the dust-proof member 71 is fixedly connected to the sliding surface 2641, such that the second connecting portion 713 abuts against the limiting portion 2643; positioning the second positioning piece 75 in the positioning groove 2260, positioning the first supporting frame 23 on the front surface of the positioning frame 22, specifically, clamping the plurality of clamping columns of the first supporting frame 23 with the plurality of clamping holes 2214 respectively, so that the first supporting frame 23 and the positioning frame 22 enclose an accommodating space; positioning the second support frame 27 on the front surface of the sliding frame 26 to enclose a second accommodating space 267, specifically, a plurality of positioning posts 275 of the second support frame 27 are respectively clamped in a plurality of positioning holes 2613; inserting one side of the second housing 25 facing away from the second side wall 261 into the first accommodating space 237 of the first housing 21, and connecting the transmission member 283 to the sliding frame 26; at this time, the plurality of sliding guide strips 273 are respectively accommodated in the plurality of sliding guide grooves 235, the sliding surface 2641 faces the sliding guide surface 2232, the first positioning member 72 and the second positioning member 75 are magnetically attracted to each other, and the dust-proof member 71 is sealingly clamped between the sliding portion 260 and the sliding guide portion 220. The back surface of the positioning portion 42 of the roll screen 40 is positioned in the positioning groove 231 of the first support plate 230, the back surface of the roll portion 45 of the roll screen 40 surrounds the second housing 25, and one side of the roll portion 45 away from the positioning portion 42 is slidably disposed on the back surface of the second housing 25.

At this time, the first housing 21 and the second housing 25 are slidably connected, and the second housing 25 is driven by the driving assembly 28 to automatically curl or unwind with respect to the first housing 21, the dust-proof member 71 slides with the second housing 25 with respect to the first housing 21, the remainder 715 of the dust-proof member 71 slides in the gap 201 in a sealing manner, so that external dust can be prevented from entering the interior of the electronic device 100 from the gap 201; even if the size of the gap 201 changes during the relative sliding process of the first housing 21 and the second housing 25, that is, the gap 201 may become larger or smaller wholly or partially, the shape of the surplus portion 715 may also change along with the change of the gap 201, so that the surplus portion 715 keeps the gap 201 blocked; accordingly, the countersunk portion 715 can avoid failure prevention due to assembly tolerances or part tolerances between the first housing 21 and the second housing 25, or the like.

Optionally, the front surface of the second support frame 27 and the outer surface of the second side wall 261 are both provided with a sliding guiding layer, and the back surface of the sliding roll portion 45 slidably contacts the front surface of the second support frame 27 and the outer surface of the second side wall 261, so that the sliding guiding layer can reduce the friction resistance of sliding the sliding roll portion 45 relative to the second support frame 27 and the second side wall 261, and facilitate sliding or unwinding of the sliding roll portion 45 relative to the second housing 25. The slip layer may be, but is not limited to, a low coefficient of friction coating, a paint lubricant, or the like.

Optionally, the back surface of the roll portion 45 is provided with a slide guiding layer, which facilitates the rolling or unrolling of the roll portion 45 relative to the second housing 25, and the back surface of the roll portion 45 slidably contacts the front surface of the second support frame 27 and the outer surface of the second side wall 261.

Optionally, the back surface of the roll portion 45, the front surface of the second support frame 27 and the outer surface of the second side wall 261 are respectively provided with a sliding guiding layer, and the back surface of the roll portion 45 is in sliding contact with the front surface of the second support frame 27 and the outer surface of the second side wall 261, so as to facilitate the roll or unwinding of the roll portion 45 relative to the second housing 25.

Optionally, the second supporting frame 27 and the roll portion 45 can be magnetically attracted in a sliding manner, so that the roll portion 45 is prevented from being separated from the second supporting frame 27 during the roll or unwinding process relative to the second supporting frame 27, and the roll screen 40 is prevented from tilting during the roll or unwinding process. Specifically, the surface of the second support frame 27 facing the rolled screen 40 and the outer surface of the second side wall 261 are provided with a first magnetic attraction piece, and the back surface of the rolled screen 40 is provided with a second magnetic attraction piece, and the first magnetic attraction piece is slidably connected with the second magnetic attraction piece.

As shown in fig. 1-2 and fig. 10-12, the process of unwinding the roll screen 40 of the electronic device 100 is as follows: by clicking a button on the roll screen 40 or the housing assembly 20 to send an expansion command to the main board 50, the main board 50 receives the expansion command and controls the driving member 281 to drive the driving member 283 to move away from the first housing 21, so that the second housing 25 and the first housing 21 slide away from each other, so that the second housing 25 slides relative to the roll portion 45 to expand the roll portion 45. During the process of unwinding the roll screen 40, the sliding portion 260 slides relative to the sliding guide portion 220, and the dust-proof member 71 moves away from the positioning portion 42 along with the sliding portion 260 sealingly sliding relative to the sliding guide surface 2232, so as to prevent foreign matters such as external dust from entering the electronic device 100 from the gap 201.

Referring to fig. 13-17, the rolling process of the sliding screen 40 of the electronic device 100 is as follows: by clicking a button on the roll screen 40 or the housing assembly 20 to send a curl command to the main board 50, the main board 50 receives the curl command and controls the driving member 281 to drive the driving member 283 to move closer to the first housing 21, so that the second housing 25 and the first housing 21 slide towards each other, so that the second housing 25 slides relative to the roll portion 45 to curl the roll portion 45. During the rolling of the roll screen 40, the sliding portion 260 slides relative to the slide guiding portion 220, and the dust-proof member 71 approaches the positioning portion 42 along with the sliding portion 260 sealingly sliding relative to the slide guiding surface 2232, so as to prevent foreign matters such as external dust from entering the electronic device 100 from the gap 201.

While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. A housing assembly, the housing assembly comprising:

The first shell comprises a positioning frame, and the positioning frame comprises a sliding guide part; and

The second shell comprises a sliding frame, the sliding frame comprises a sliding part which is connected with the sliding guide part in a sliding manner, and a gap is reserved between the sliding part and the sliding guide part; and

The dustproof mechanism comprises a dustproof piece located between the sliding part and the sliding guiding part, the dustproof piece comprises a first connecting part, a second connecting part and a sinking surplus part located between the first connecting part and the second connecting part, the first connecting part and the second connecting part are respectively connected with the sliding part, and the sinking surplus part is used for sealing the gap.

2. The housing assembly of claim 1, wherein the configuration of the countersink changes as the gap changes such that the countersink remains sealed to the gap.

3. The housing assembly of claim 1, wherein a side of the sliding guide facing the sliding guide is provided with a sliding guide groove, the sliding guide is slidingly accommodated in the sliding guide groove, the sliding guide comprises a sliding surface facing the sliding guide groove, the sliding guide comprises a sliding guide surface facing the sliding surface, the first connecting portion and the second connecting portion are connected to the sliding surface, the second connecting portion slidingly contacts the sliding guide surface, and the surplus portion is positioned between the sliding surface and the sliding guide surface.

4. The housing assembly of claim 3, wherein the dust prevention mechanism further comprises a first positioning member provided at the second connection portion and a second positioning member provided at the sliding guide portion, and the first positioning member and the second positioning member are detachably positioned with each other when the first housing and the second housing are in the unfolded state.

5. The housing assembly of claim 4, wherein the first positioning member is a first magnetic member provided at the second connecting portion, and the second positioning member is a second magnetic member provided at the sliding guide portion, and the first magnetic member and the second magnetic member are attracted to each other when the first housing and the second housing are in the unfolded state.

6. The housing assembly according to claim 5, wherein the second connecting portion is a connecting strip disposed on one side of the countersink portion, the connecting strip extends along a direction perpendicular to a sliding direction of the sliding portion relative to the sliding guide portion, the connecting strip is provided with a connecting slot along a length direction thereof, and the first magnetic attraction member is disposed in the connecting slot in a penetrating manner.

7. The housing assembly of claim 5, wherein a positioning portion is disposed on a side of the sliding guide portion adjacent to the sliding portion, the positioning portion is provided with a positioning groove, the positioning groove extends in a direction perpendicular to a sliding direction of the sliding guide portion relative to the sliding guide portion, and the second magnetic attraction member is accommodated in the positioning groove.

8. The housing assembly of claim 6, wherein the outer surface of the first magnetic attraction member is provided with a magnetic conductive sheet except for a side facing the sliding surface, and/or the outer surface of the second magnetic attraction member is provided with a magnetic conductive sheet except for a side facing the sliding surface.

9. A housing assembly according to claim 3, wherein the sliding surface is provided with a protruding stop portion opposite to the countersunk portion, and the second connecting portion abuts against the stop portion.

10. A roll-up electronic device, comprising a housing assembly according to any one of claims 1 to 9 and a roll screen, wherein the roll screen comprises a positioning portion and a roll portion, the back of the positioning portion is connected to a first housing of the housing assembly, the back of the roll portion is wound around a second housing of the housing assembly, and during the process of expanding or contracting the second housing relative to the first housing, a dust-proof member of a dust-proof mechanism slides with the second housing relative to the first housing, and the roll portion expands or rolls with the second housing.