Shell assembly and electronic equipment

Abstract

The embodiment of the utility model provides a shell assembly and electronic equipment, and relates to the technical field of electronic equipment. The shell assembly comprises a first shell, a second shell and an elastic sealing ring. The second shell covers the first shell, a first annular sealing groove is formed in the surface of the side, facing the second shell, of the first shell, the first annular sealing groove is used for forming a groove space, and the elastic sealing ring is arranged in the groove space. The elastic sealing ring comprises a first section and a second section, the first section and the second section are distributed in the circumferential direction of the elastic sealing ring, the inner circumference of the first section protrudes out of the inner circumference of the second section, and the outer circumference of the first section protrudes out of the outer circumference of the second section. At least part of the first section is pressed and fixed by the outer circumferential wall of the first annular sealing groove and the inner circumferential wall of the first annular sealing groove, and the second section is in clearance fit with the outer circumferential wall of the first annular sealing groove and the inner circumferential wall of the first annular sealing groove. Therefore, the elastic sealing ring is not easy to separate from the annular sealing groove on the surface of the shell, and the problems of poor sealing of the device mounting cavity and the like are not easy to occur.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of electronic devices, and in particular, to a housing assembly and an electronic device. Background Art

[0002] For electronic devices such as watches and bracelets, they often include a housing assembly and electronic components. The housing assembly may have a sealed component installation cavity, and the electronic components are installed in the component installation cavity, so that the electronic device can have good waterproof and dustproof performance.

[0003] In the related art, the housing assembly may include two housings that are covered with each other, and an elastic sealing ring disposed between the two housings. The two housings press the elastic sealing ring tightly, and a sealed component installation cavity is formed between the two housings and the elastic sealing ring. The elastic sealing ring may be disposed in an annular sealing groove on the surface of the housing.

[0004] However, in the related art, during the processes of assembling and turnover of the housing assembly, the elastic sealing ring is likely to escape from the annular sealing groove, and thus problems such as poor sealing of the component installation cavity are likely to occur. Summary of the Utility Model

[0005] The embodiments of the present application provide a housing assembly and an electronic device, which can prevent the elastic sealing ring from easily escaping from the annular sealing groove on the surface of the housing, and can prevent problems such as poor sealing of the component installation cavity.

[0006] A first aspect of the embodiments of the present application provides a housing assembly, which includes a first housing, a second housing, and an elastic sealing ring. The second housing is covered on the first housing. The surface of the first housing facing the second housing has a first annular sealing groove for forming a groove space, and the elastic sealing ring is disposed in the groove space. The elastic sealing ring includes a first section and a second section, and the first section and the second section are distributed along the circumferential direction of the elastic sealing ring. The inner circumference of the first section protrudes from the inner circumference of the second section, and the outer circumference of the first section protrudes from the outer circumference of the second section. At least a part of the first section is pressed and fixed by the outer peripheral wall and the inner peripheral wall of the first annular sealing groove, and the second section is in clearance fit with the outer peripheral wall and the inner peripheral wall of the first annular sealing groove.

[0007] The housing assembly provided by the embodiment of the present application, the first section can play a role in preventing the elastic sealing ring from slipping out of the first annular sealing groove. Furthermore, it is not easy to occur the phenomena such as the elastic sealing ring being pinched by the first housing and the second housing outside the first annular sealing groove, or the elastic sealing ring being damaged by pressing, which is beneficial to seal the device installation cavity. In addition, the second section that is in clearance fit with the outer peripheral wall and the inner peripheral wall of the first annular sealing groove can make it easier to assemble the elastic sealing ring into the first annular sealing groove. In addition, the second section with a smaller distance between the inner circumference and the outer circumference is beneficial to make the filling amount of the elastic sealing ring in the groove space within a more appropriate range, so as to facilitate the pressing and assembling of the first housing and the second housing, and enable the elastic sealing ring to have a better sealing effect.

[0008] In addition, by improving the structure of the elastic sealing ring to prevent it from slipping out of the first annular sealing groove, the restrictions on the processing technology and manufacturing materials of the first housing can be reduced, which is beneficial to reducing the processing cost and difficulty of the first housing. In addition, it is relatively easy to process a small-sized elastic sealing ring with the first section and the second section, which is convenient to realize the anti-slip of the elastic sealing ring in the first annular sealing groove of the first housing with a small size. In addition, there is no need to add a structure on the first housing, which can not increase the space occupied by the first housing, and is beneficial to the miniaturization of the housing assembly.

[0009] In a possible implementation manner, the first section includes a first end, a second end and a convex top. The first end and the second end are respectively located at both ends of the first section in the circumferential direction of the elastic sealing ring, and the convex top is located between the first end and the second end. The distance between the outer circumference and the inner circumference of the first section gradually increases from the first end to the convex top, and the distance between the outer circumference and the inner circumference of the first section gradually decreases from the convex top to the second end.

[0010] In this way, it is relatively easy for the elastic sealing ring to undergo elastic deformation under the extrusion of the inner peripheral wall and the outer peripheral wall of the first annular sealing groove, which is convenient to assemble the elastic sealing ring into the first annular sealing groove. In addition, the first section has a small influence on the filling of the elastic sealing ring in the groove space, and it is also convenient to make the filling amount of the elastic sealing ring in the groove space within a more appropriate range, so as to facilitate the pressing and assembling of the first housing and the second housing, and enable the elastic sealing ring to have a better sealing effect.

[0011] In a possible implementation manner, the width of the first annular sealing groove is d1, and the distance between the outer circumference and the inner circumference of the first section at the convex top is d2, 0.02mm ≤ d2 - d1 ≤ 0.08mm.

[0012] Thus, in an electronic device worn on the wrist such as a watch, it is relatively easy to assemble the elastic sealing ring into the first annular sealing groove while achieving anti - detachment of the elastic sealing ring. In addition, the influence of the first section on the filling of the elastic sealing ring in the groove space is small, which facilitates keeping the filling amount of the elastic sealing ring in the groove space within a relatively appropriate range, so as to facilitate the pressing and assembling of the first housing and the second housing, and enable the elastic sealing ring to have a better sealing effect.

[0013] In a possible implementation manner, the projection of the outer periphery of the first section along the extension direction of the center line of the elastic sealing ring is an arc segment protruding outward from the projection of the elastic sealing ring along the extension direction of the center line of the elastic sealing ring. The projection of the inner periphery of the first section along the extension direction of the center line of the elastic sealing ring is an arc segment protruding inward from the projection of the elastic sealing ring along the extension direction of the center line of the elastic sealing ring.

[0014] Thus, it is relatively easy for the elastic sealing ring to undergo elastic deformation under the extrusion of the inner peripheral wall and the outer peripheral wall of the first annular sealing groove, and it is relatively easy to assemble the elastic sealing ring into the first annular sealing groove. In addition, the first section is relatively stably pressed and fixed by the inner peripheral wall and the outer peripheral wall of the first annular sealing groove, and the anti - detachment effect of the elastic sealing ring is better.

[0015] In a possible implementation manner, the surface of the second housing facing the first housing has a second annular sealing groove. The first annular sealing groove and the second annular sealing groove are arranged opposite to each other, and the first annular sealing groove and the second annular sealing groove are used to form a groove space. One end of the elastic sealing ring in the extension direction of the center line of the elastic sealing ring is located in the first annular sealing groove and is pressed by the bottom wall of the first annular sealing groove, and the other end of the elastic sealing ring in the extension direction of the center line of the elastic sealing ring is located in the second annular sealing groove and is pressed by the bottom wall of the second annular sealing groove.

[0016] Thus, it is beneficial to reduce the depth of the first annular sealing groove, thereby facilitating reducing the size of the first housing and also facilitating the assembly of the elastic sealing ring in the first annular sealing groove. In addition, the alignment of the first housing and the second housing is relatively easy. In addition, the second annular sealing groove can limit the relative position of the elastic sealing ring and the second housing, and the elastic sealing ring is not likely to cause sealing failure due to relative movement with respect to the second housing.

[0017] In a possible implementation manner, the first section is in clearance fit with the outer peripheral wall and the inner peripheral wall of the second annular sealing groove.

[0018] Thus, it is relatively easy to assemble the elastic sealing ring into the second annular sealing groove. In addition, it is also beneficial to the pressing and assembling of the first housing and the second housing, and enable the elastic sealing ring to have a better sealing effect. [[ID= 20]]

[0019] In a possible implementation, the filling amount of the first section in the groove space is greater than or equal to 95% and less than or equal to 120%.

[0020] In this way, it is easier to assemble the elastic sealing ring into the groove space. In addition, the resilience of the first section has less influence on the pressing effect between the first housing and the second housing, and is not likely to cause deformation or displacement of the first housing and the second housing, which is beneficial to the pressing assembly of the first housing and the second housing and enables the elastic sealing ring to have a better sealing effect.

[0021] In a possible implementation, the filling amount of the second section in the groove space is greater than or equal to 95% and less than or equal to 105%.

[0022] In this way, it is easier to assemble the elastic sealing ring into the groove space. In addition, it is also beneficial to the pressing assembly of the first housing and the second housing and enables the elastic sealing ring to have a better sealing effect.

[0023] In a possible implementation, the compression amount of the first section in the extending direction of the center line of the elastic sealing ring is equal to the compression amount of the second section in the extending direction of the center line of the elastic sealing ring.

[0024] In this way, the first section has less influence on the pressing effect between the first housing and the second housing, and is not likely to cause deformation or displacement of the first housing and the second housing, which is beneficial to the pressing assembly of the first housing and the second housing and enables the elastic sealing ring to have a better sealing effect.

[0025] In a possible implementation, the compression amount of the first section in the extending direction of the center line of the elastic sealing ring is greater than or equal to 25% and less than or equal to 35%.

[0026] In this way, the first section can have a longer service life and is not likely to show the phenomenon of non - rebound due to long - term compression of the first section. In addition, it is beneficial to the pressing assembly of the first housing and the second housing and enables the elastic sealing ring to have a better sealing effect.

[0027] In a possible implementation, the elastic sealing ring includes multiple first sections that are circumferentially spaced apart along the elastic sealing ring. There is a second section between two adjacent first sections, and two adjacent first sections are connected by the second section therebetween.

[0028] In this way, multiple positions in the circumferential direction of the elastic sealing ring can be pressed and fixed by the inner circumferential wall and the outer circumferential wall of the first annular sealing groove, and the elastic sealing ring is fixed more firmly in the first annular sealing groove, so that the elastic sealing ring is not likely to come out of the first annular sealing groove.

[0029] In a possible implementation, the first annular sealing groove has a corner area, and the first section is located in the area outside the corner area.

[0030] In this way, it is easier to assemble the elastic sealing ring into the first annular sealing groove with a corner area. In addition, after the elastic sealing ring is assembled into the first annular sealing groove, the first section is not easily disengaged from the first annular sealing groove.

[0031] In a possible implementation manner, the first housing has a plurality of first connection holes located outside the first annular sealing groove, and the first connection holes are arranged at intervals along the circumferential direction of the first annular sealing groove. The second housing has second connection holes corresponding to the first connection holes one by one, and the second connection holes are disposed opposite to the corresponding first connection holes. Fasteners are inserted into the first connection holes and the corresponding second connection holes, and the fasteners are used to fixedly connect the first housing and the second housing. The first section and the first connection holes are misaligned in the circumferential direction of the first annular sealing groove.

[0032] In this way, the acting force of the elastic sealing ring on the first housing and the second housing can be reduced, which is beneficial to the pressing assembly of the first housing and the second housing, and enables the elastic sealing ring to have a good sealing effect. It is also beneficial to improve the service life of the elastic sealing ring. In addition, the pressure on the hole wall of the first connection hole is relatively small, which is beneficial to arranging the first connection hole close to the first annular sealing groove, and further beneficial to reducing the size of the first housing.

[0033] In a possible implementation manner, the length of the first section along the circumferential direction of the elastic sealing ring is greater than or equal to 1 mm and less than or equal to 3 mm.

[0034] In this way, in electronic devices such as watches worn on the wrist, on the basis of preventing the elastic sealing ring from coming off, it is convenient to assemble the elastic sealing ring into the first annular sealing groove. In addition, in electronic devices such as watches worn on the wrist, it is also beneficial to make the influence of the first section on the filling of the elastic sealing ring in the groove space smaller, and it is convenient to make the filling amount of the elastic sealing ring in the groove space within a more appropriate range, so as to be beneficial to the pressing assembly of the first housing and the second housing, and enable the elastic sealing ring to have a good sealing effect.

[0035] In a possible implementation manner, the width of the first annular sealing groove is d1, and the distance between the outer circumference and the inner circumference of the second section is d3, and 0.07 mm ≤ d1 - d3 ≤ 0.13 mm.

[0036] In this way, in electronic devices such as watches worn on the wrist, it is convenient to make the filling amount of the elastic sealing ring in the groove space within a more appropriate range, so as to be beneficial to the pressing assembly of the first housing and the second housing, and enable the elastic sealing ring to have a good sealing effect.

[0037] In a second aspect of the embodiments of the present application, an electronic device is provided, including an electronic component and the housing assembly in any of the above embodiments. A device installation cavity is formed by enclosing between the first housing of the housing assembly, the second housing of the housing assembly, and the elastic sealing ring of the housing assembly, and the electronic component is disposed in the device installation cavity.

[0038] In a possible implementation, the electronic device is a wearable device. The electronic device further includes a device band, and the device band is connected to one of the first housing and the second housing.

[0039] In this way, it is convenient for the user to wear the electronic device. In addition, in a wearable device with a relatively small size such as a watch, the anti - detachment of the elastic sealing ring can be realized, which is beneficial to improving the sealing yield of wearable devices with a relatively small size such as watches. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 is a schematic diagram of the front of an electronic device provided by an embodiment of the present application;

[0041] Figure 2 is Figure 1 a schematic diagram of the back of the electronic device provided in

[0042] Figure 3 is a schematic diagram of a first housing provided by an embodiment of the present application;

[0043] Figure 4 is Figure 3 a schematic diagram of the first housing provided in

[0044] Figure 5 is Figure 4 a schematic diagram of the elastic sealing ring in a natural state in

[0045] Figure 6 is Figure 5 an enlarged view of part A in

[0046] Figure 7 is a schematic cross - sectional view of the second section of an elastic sealing ring in a natural state provided by an embodiment of the present application;

[0047] Figure 8 is a schematic cross - sectional view of the second section when the elastic sealing ring is pressed by the first housing and the second housing in the groove space provided by an embodiment of the present application;

[0048] Figure 9 is a schematic cross - sectional view of the convex top of an elastic sealing ring in a natural state provided by an embodiment of the present application;

[0049] Figure 10Schematic diagram of cross-section at the convex top when an elastic sealing ring provided by an embodiment of the present application is pressed by a first housing and a second housing in a groove space;

[0050] Figure 11 Schematic diagram of another first housing provided by an embodiment of the present application;

[0051] Figure 12 Schematic diagram of another elastic sealing ring in a natural state provided by an embodiment of the present application;

[0052] Figure 13 For Figure 12 The elastic sealing ring provided in Figure 11 Schematic diagram of being assembled in the first housing provided in

[0053] Explanation of reference numerals:

[0054] 10. Housing assembly; 20. Equipment belt; 21. First belt body; 22. Second belt body;

[0055] 100. First housing; 110. First connection hole; 120. First opening; 130. First annular sealing groove; 131. Corner area; 132. Straight area;

[0056] 200. Second housing; 210. Second annular sealing groove;

[0057] 300. Elastic sealing ring; 310. First section; 311. First end; 312. Second end; 313. Convex top; 314. Main body; 315. Outer convex part; 316. Inner convex part; 320. Second section. Detailed implementation manners

[0058] The terms used in the implementation manners part of the present application are only for explaining the specific embodiments of the present application, rather than aiming to limit the present application. The implementation manners of the embodiments of the present application will be described in detail below with reference to the drawings.

[0059] An embodiment of the present application provides an electronic device, which may include but is not limited to wearable devices, mobile phones, tablet computers, handheld computers, walkie-talkies, netbooks, point of sales (POS) machines, personal digital assistants (PDAs), etc. For example, wearable devices may include but are not limited to watches, bracelets, etc. An embodiment of the present application takes the electronic device as a watch as an example for illustration.

[0060] Figure 1 Schematic diagram of the front of an electronic device provided by an embodiment of the present application, Figure 2 For Figure 1Schematic diagram of the back of the electronic device provided in

[0061] As shown in Figure 1 , Figure 2 In the embodiment of the present application, the electronic device includes a housing assembly 10 and electronic components (not shown). The housing assembly 10 has a device installation cavity, and the electronic components are installed in the device installation cavity. The device installation cavity is a sealed chamber, so that the electronic device can have good waterproof and dustproof performance.

[0062] The housing assembly 10 includes a first housing 100, a second housing 200, and an elastic sealing ring 300 (as shown in Figure 4 below). The second housing 200 is covered on the first housing 100. The elastic sealing ring 300 is arranged between the first housing 100 and the second housing 200. The two ends of the elastic sealing ring 300 in the extending direction of the center line of the elastic sealing ring 300 are respectively pressed by the first housing 100 and the second housing 200. The first housing 100 and the second housing 200 are oppositely arranged in the extending direction of the center line of the elastic sealing ring 300. A device installation cavity is formed by enclosing the first housing 100, the second housing 200, and the elastic sealing ring 300. In this way, it is relatively convenient to disassemble and assemble the electronic components in the device installation cavity and to realize the sealing of the device installation cavity.

[0063] After the two ends of the elastic sealing ring 300 in the extending direction of the center line of the elastic sealing ring 300 are respectively pressed by the first housing 100 and the second housing 200, the elastic sealing ring 300 will undergo elastic deformation.

[0064] Exemplarily, the elastic sealing ring 300 can be a rubber ring.

[0065] Exemplarily, the first housing 100 and the second housing 200 can be connected by one or more of the methods such as fasteners and snap connections.

[0066] For example, the first housing 100 and the second housing 200 can be connected by a threaded fastener and a snap structure.

[0067] In some examples, the first housing 100 has a first opening 120 (as shown in Figure 4 below). The first opening 120 is communicated with the inner cavity of the first housing 100. The elastic sealing ring 300 is located outside the first opening 120. The elastic sealing ring 300 surrounds the outer periphery of the first opening 120 for one week, and the second housing 200 covers the first opening 120.

[0068] In some examples, the second housing 200 has a second opening (not shown), the second opening communicates with the inner cavity of the second housing 200, an elastic sealing ring 300 is located outside the second opening, the elastic sealing ring 300 surrounds the outer periphery of the second opening for one week, and the first housing 100 covers the second opening.

[0069] When the electronic device is a wrist-worn device such as a watch or a bracelet, one of the first housing 100 and the second housing 200 is a front shell, and the other of the first housing 100 and the second housing 200 is a rear shell. A display component is provided on a surface of the front shell facing away from the rear shell, and a surface of the rear shell facing away from the front shell is used to face the user's wrist.

[0070] Exemplarily, the front shell may include a middle frame and a display component, and the display component and the rear shell are respectively connected to both ends of the middle frame.

[0071] In some examples, the electronic device is a wearable device, and the electronic device further includes a device belt 20. The device belt 20 is connected to one of the first housing 100 and the second housing 200 to facilitate the user to wear the electronic device. For example, when the electronic device is a wrist-worn device such as a watch or a bracelet, the device belt 20 is a wrist strap, and the housing assembly 10 connected with the wrist strap can be wound around the user's wrist to facilitate wearing the electronic device on the user's wrist.

[0072] Exemplarily, the wrist strap can be connected to the front shell. For example, the wrist strap can be connected to the middle frame through a mounting structure.

[0073] Exemplarily, the device belt 20 may include a first belt body 21 and a second belt body 22. One of the two ends of one of the first housing 100 and the second housing 200 is respectively connected to one end of the first belt body 21 and one end of the second belt body 22. The first belt body 21 is used to buckle with the second belt body 22, so that it is more convenient to wear the electronic device.

[0074] Figure 3 A schematic diagram of a first housing provided by an embodiment of the present application Figure 4 is Figure 3 a schematic diagram when the first housing provided in [reference] is assembled with an elastic sealing ring. Wherein, d1 is the width of the first annular sealing groove 130, and the width of the first annular sealing groove 130 refers to the distance between the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130.

[0075] In an embodiment of the present application, a surface of the first housing 100 facing the second housing 200 has a first annular sealing groove 130. The first annular sealing groove 130 is used to form a groove space, and the elastic sealing ring 300 is arranged in the groove space. The two ends of the elastic sealing ring 300 in the extending direction of the center line of the elastic sealing ring 300 are respectively pressed by the bottom wall of the first annular sealing groove 130 and the second housing 200.

[0076] The bottom wall of the first annular sealing groove 130 refers to the groove wall of the first annular sealing groove 130 opposite to the notch of the first annular sealing groove 130. The notch of the first annular sealing groove 130 is located on the surface of the first housing 100 on the side facing the second housing 200. The inner edge of the bottom wall of the first annular sealing groove 130 is connected to the inner peripheral wall of the first annular sealing groove 130, and the outer edge of the bottom wall of the first annular sealing groove 130 is connected to the outer peripheral wall of the first annular sealing groove 130. The edge of the inner peripheral wall of the first annular sealing groove 130 far from the bottom wall of the first annular sealing groove 130 and the edge of the outer peripheral wall of the first annular sealing groove 130 far from the bottom wall of the first annular sealing groove 130 form the notch of the first annular sealing groove 130.

[0077] The groove space includes the groove cavity of the first annular sealing groove 130.

[0078] In some examples, the elastic sealing ring 300 can be entirely located within the groove space.

[0079] In other examples, the elastic sealing ring 300 can also be partially located within the groove space and partially located outside the groove space.

[0080] In an example where the first housing 100 has a first opening 120, the first annular sealing groove 130 is located outside the first opening 120, and the first annular sealing groove 130 surrounds the outer periphery of the first opening 120 for one week.

[0081] In some related technologies, along the circumferential direction of the elastic sealing ring, the distance between the inner circumference and the outer circumference of each part of the elastic sealing ring is equal and less than the width d1 of the first annular sealing groove. In other words, the line width of each part in the circumferential direction of the elastic sealing ring is equal and less than the width d1 of the first annular sealing groove. The elastic sealing ring is in clearance fit with the outer peripheral wall and the inner peripheral wall of the first annular sealing groove. At this time, during the processes of assembling and turnover of the housing assembly, the elastic sealing ring located in the first annular sealing groove is likely to come out of the first annular sealing groove. After the elastic sealing ring comes out of the first annular sealing groove, phenomena such as the elastic sealing ring being clamped by the first housing and the second housing outside the first annular sealing groove or the elastic sealing ring being crushed are likely to occur, and then problems such as poor sealing of the device installation cavity are likely to occur.

[0082] In some other related technologies, an anti - detachment structure can be provided on the first housing to prevent the elastic sealing ring from disengaging from the first annular sealing groove. However, providing an anti - detachment structure on the first housing places significant limitations on the forming process and manufacturing materials of the first housing, resulting in higher processing costs and difficulties for the first housing. For example, when the first housing is made of materials such as metal or ceramic, it is relatively difficult to form an anti - detachment structure on the first housing. Additionally, when the size of the first housing is small, it is more difficult to form an anti - detachment structure on the first housing. The application scenarios of the solution of providing an anti - detachment structure on the first housing to prevent the elastic sealing ring from disengaging from the first annular sealing groove are severely limited. Moreover, the provided anti - detachment structure occupies a certain amount of space, which is not conducive to reducing the size of the housing assembly.

[0083] Figure 5 For Figure 4 the schematic diagram when the elastic sealing ring in

[0084] As Figure 5 shown and referring to Figure 4 , based on this, in the embodiments of the present application, the elastic sealing ring 300 includes a first section 310 and a second section 320. The first section 310 and the second section 320 are circumferentially distributed along the elastic sealing ring 300. The inner circumference of the first section 310 protrudes from the inner circumference of the second section 320, and the outer circumference of the first section 310 protrudes from the outer circumference of the second section 320. At least a part of the first section 310 is pressed and fixed by the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130. That is to say, at least a part of the first section 310 applies a pressing force to both the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130, and the second section 320 has a clearance fit with the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130.

[0085] In this way, the first section 310 that is at least partially pressed and fixed by the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130 can prevent the elastic sealing ring 300 from slipping out of the first annular sealing groove 130, and it is not easy to occur the phenomenon that the elastic sealing ring 300 is clamped or the elastic sealing ring 300 is damaged by being squeezed by the first housing 100 and the second housing 200 outside the first annular sealing groove 130, which is beneficial to sealing the device installation cavity. In addition, the second section 320 that is in clearance fit with the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130 can make it easier to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, the second section 320 with a smaller distance between the inner circumference and the outer circumference is beneficial to making the filling amount of the elastic sealing ring 300 in the groove space within a more appropriate range, so as to facilitate the pressing and assembling of the first housing 100 and the second housing 200, and to make the elastic sealing ring 300 have a better sealing effect.

[0086] Compared with the solution of setting an anti - detachment structure on the first housing 100 to prevent the elastic sealing ring 300 from slipping out of the first annular sealing groove 130, by improving the structure of the elastic sealing ring 300 to prevent the elastic sealing ring 300 from slipping out of the first annular sealing groove 130, the limitations on the processing technology and manufacturing materials of the first housing 100 can be reduced, which is beneficial to reducing the processing cost and difficulty of the first housing 100. For example, it is convenient to realize the anti - detachment of the elastic sealing ring 300 in the first annular sealing groove 130 of the first housing 100 made of materials such as metal and ceramic. In addition, it is relatively easy to process the small - sized elastic sealing ring 300 with the first section 310 and the second section 320, which is convenient to realize the anti - detachment of the elastic sealing ring 300 in the first annular sealing groove 130 of the first housing 100 with a smaller size. In addition, there is no need to add a structure on the first housing 100, so the space occupied by the first housing 100 can not be increased, which is beneficial to the miniaturization of the housing assembly 10. The application scenario of the solution provided by the embodiment of the present application is less restricted.

[0087] The inner circumference of the first section 310 protruding beyond the inner circumference of the second section 320 means that when the elastic sealing ring 300 is in a natural state, the inner circumference of the first section 310 protrudes beyond the inner circumference of the second section 320.

[0088] The outer circumference of the first section 310 protruding beyond the outer circumference of the second section 320 means that when the elastic sealing ring 300 is in a natural state, the outer circumference of the first section 310 protrudes beyond the outer circumference of the second section 320.

[0089] When the elastic sealing ring 300 is in its natural state, the distance between at least part of the outer circumference and the inner circumference of the first section 310 is greater than the width d1 of the first annular sealing groove 130. In other words, when the elastic sealing ring 300 is in its natural state, the line width of at least part of the first section 310 is greater than the width d1 of the first annular sealing groove 130. After the elastic sealing ring 300 is assembled into the first annular sealing groove 130, at least part of the first section 310 is elastically deformed under the extrusion of the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130, so that a pressing force can be generated between at least part of the first section 310 and the outer peripheral wall and the inner peripheral wall of the first annular sealing groove 130, making it difficult for the elastic sealing ring 300 to escape from the first annular sealing groove 130.

[0090] Both ends of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 are respectively pressed by the bottom wall of the first annular sealing groove 130 and the second housing 200, and both ends of the second section 320 in the extending direction of the center line of the elastic sealing ring 300 are respectively pressed by the bottom wall of the first annular sealing groove 130 and the second housing 200.

[0091] Exemplarily, the material for manufacturing the first housing 100 may include one or more of the following materials: plastic, metal, ceramic, etc.

[0092] Exemplarily, the material for manufacturing the second housing 200 may include one or more of the following materials: plastic, metal, ceramic, etc.

[0093] In some possible implementation manners, the elastic sealing ring 300 includes a plurality of first sections 310 that are circumferentially spaced apart along the elastic sealing ring 300. There is a second section 320 between two adjacent first sections 310, and two adjacent first sections 310 are connected by the second section 320 therebetween.

[0094] In this way, multiple positions in the circumferential direction of the elastic sealing ring 300 can be pressed and fixed by the inner peripheral wall and the outer peripheral wall of the first annular sealing groove 130, and the elastic sealing ring 300 is relatively firmly fixed in the first annular sealing groove 130, making it difficult for the elastic sealing ring 300 to escape from the first annular sealing groove 130.

[0095] Exemplarily, all the first sections 310 are equally spaced along the circumference of the elastic sealing ring 300.

[0096] In this way, the pressing and fixing of the elastic sealing ring 300 by the inner peripheral wall and the outer peripheral wall of the first annular sealing groove 130 can be more balanced at various circumferential positions, which is beneficial to further improving the anti - detachment effect of the elastic sealing ring 300.

[0097] Exemplarily, the ratio of the sum of the circumferential lengths of all the first segments 310 along the circumference of the elastic sealing ring 300 to the circumferential length of the elastic sealing ring 300 is greater than or equal to 1 / 23 and less than or equal to 3 / 21.

[0098] In this way, the proportion of the first segment 310 in the elastic sealing ring 300 is relatively small. On the basis of realizing the anti - detachment of the elastic sealing ring 300, it is convenient to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, the influence of the first segment 310 on the filling of the elastic sealing ring 300 in the groove space is relatively small, which is convenient to make the filling amount of the elastic sealing ring 300 in the groove space be in a more appropriate range, so as to facilitate the pressing assembly of the first housing 100 and the second housing 200 and enable the elastic sealing ring 300 to have a better sealing effect.

[0099] For example, the ratio of the sum of the circumferential lengths of all the first segments 310 along the circumference of the elastic sealing ring 300 to the circumferential length of the elastic sealing ring 300 can be greater than or equal to 1 / 21 and less than or equal to 3 / 23.

[0100] Exemplarily, the ratio of the sum of the circumferential lengths of all the second segments 320 along the circumference of the elastic sealing ring 300 to the circumferential length of the elastic sealing ring 300 is greater than or equal to 18 / 21 and less than or equal to 22 / 23.

[0101] In this way, the proportion of the second segment 320 in the elastic sealing ring 300 is relatively large. On the basis of realizing the anti - detachment of the elastic sealing ring 300, it is convenient to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, the influence of the first segment 310 on the filling of the elastic sealing ring 300 in the groove space is relatively small, which is convenient to make the filling amount of the elastic sealing ring 300 in the groove space be in a more appropriate range, so as to facilitate the pressing assembly of the first housing 100 and the second housing 200 and enable the elastic sealing ring 300 to have a better sealing effect.

[0102] For example, the ratio of the sum of the circumferential lengths of all the second segments 320 along the circumference of the elastic sealing ring 300 to the circumferential length of the elastic sealing ring 300 can be greater than or equal to 20 / 23 and less than or equal to 20 / 21.

[0103] Exemplarily, the distance between two adjacent first segments 310 in the circumferential direction of the elastic sealing ring 300 is greater than or equal to 18 mm and less than or equal to 22 mm.

[0104] In this way, in an electronic device worn on the wrist such as a watch, on the basis of preventing the elastic sealing ring 300 from coming off, it is convenient to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, in an electronic device worn on the wrist such as a watch, it is also beneficial to minimize the influence of the first section 310 on the filling of the elastic sealing ring 300 in the groove space, facilitating the filling amount of the elastic sealing ring 300 in the groove space to be within a more appropriate range, which is conducive to the pressing assembly of the first housing 100 and the second housing 200, and enabling the elastic sealing ring 300 to have a better sealing effect.

[0105] In some possible embodiments, the length of the first section 310 along the circumference of the elastic sealing ring 300 is greater than or equal to 1 mm and less than or equal to 3 mm.

[0106] In this way, in an electronic device worn on the wrist such as a watch, on the basis of preventing the elastic sealing ring 300 from coming off, it is convenient to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, in an electronic device worn on the wrist such as a watch, it is also beneficial to minimize the influence of the first section 310 on the filling of the elastic sealing ring 300 in the groove space, facilitating the filling amount of the elastic sealing ring 300 in the groove space to be within a more appropriate range, which is conducive to the pressing assembly of the first housing 100 and the second housing 200, and enabling the elastic sealing ring 300 to have a better sealing effect.

[0107] In some possible embodiments, the first housing 100 has a plurality of first connection holes 110, the first connection holes 110 are located outside the first annular sealing groove 130, and the first connection holes 110 are arranged at intervals along the circumference of the first annular sealing groove 130. The second housing 200 has second connection holes corresponding to the first connection holes 110 one by one, and the second connection holes are disposed opposite to the corresponding first connection holes 110. Fasteners are inserted through the first connection holes 110 and the corresponding second connection holes, and the fasteners are used to fixedly connect the first housing 100 and the second housing 200.

[0108] In this way, it is convenient to realize the connection between the first housing 100 and the second housing 200, and the first housing 100 and the second housing 200 clamp the elastic sealing ring 300.

[0109] Exemplarily, the fastener is a threaded fastener, so as to facilitate the first housing 100 and the second housing 200 to gradually press the elastic sealing ring 300.

[0110] Exemplarily, the first housing 100 may have 4 first connection holes 110, and the connecting lines of the centers of the 4 first connection holes 110 may be rectangular.

[0111] In some possible embodiments, the first section 310 and the first connection hole 110 are distributed in a circumferentially offset manner in the first annular sealing groove 130. That is to say, the first section 310 and the first connection hole 110 are at different positions in the circumferential direction of the first annular sealing groove 130. A part of the second section 320 and the first connection hole 110 are at the same position in the circumferential direction of the first annular sealing groove 130.

[0112] In this way, after the first housing 100, the second housing 200 and the elastic sealing ring 300 are assembled, the part of the elastic sealing ring 300 that is at the same position as the first connection hole 110 in the circumferential direction of the first annular sealing groove 130 is subjected to a greater pressure, and the part of the elastic sealing ring 300 that is offset from the first connection hole 110 in the circumferential direction of the first annular sealing groove 130 is subjected to a smaller pressure. By arranging the first section 310 with a larger cross-sectional area and the first connection hole 110 in a circumferentially offset manner in the first annular sealing groove 130, the acting force of the elastic sealing ring 300 on the first housing 100 and the second housing 200 can be reduced, which is beneficial to the pressing assembly of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a better sealing effect. It is also beneficial to improve the service life of the elastic sealing ring 300. In addition, the pressure on the hole wall of the first connection hole 110 is smaller, which is beneficial to arranging the first connection hole 110 close to the first annular sealing groove 130, and further beneficial to reducing the size of the first housing 100.

[0113] In some examples, at least one of the first housing 100 and the second housing 200 is further provided with a snap structure, and the first housing 100 and the second housing 200 are clamped through the snap structure to further improve the fixing effect between the first housing 100 and the second housing 200. Along the circumferential direction of the first annular sealing groove 130, the snap structure is offset from and spaced apart from the first connection hole 110.

[0114] Figure 6 For Figure 5 The enlarged view of part A in

[0115] The first section 310 includes a first end 311, a second end 312 and a convex top 313. The first end 311 and the second end 312 are respectively located at both ends of the first section 310 in the circumferential direction of the elastic sealing ring 300, and the first end 311 and the second end 312 are respectively connected to the adjacent second sections 320 located on both sides of the first section 310.

[0116] In some possible embodiments, the first section 310 further includes a convex top 313 located between the first end 311 and the second end 312. The distance between the outer circumference and the inner circumference of the first section 310 gradually increases from the first end 311 to the convex top 313, and gradually decreases from the convex top 313 to the second end 312. The convex top 313 is pressed and fixed by the inner peripheral wall and the outer peripheral wall of the first annular sealing groove 130.

[0117] In this way, on the basis of preventing the elastic sealing ring 300 from coming off, it is relatively easy for the elastic sealing ring 300 to undergo elastic deformation under the extrusion of the inner peripheral wall and the outer peripheral wall of the first annular sealing groove 130, facilitating the assembly of the elastic sealing ring 300 into the first annular sealing groove 130. In addition, the first section 310 has less influence on the filling of the elastic sealing ring 300 in the groove space, and it is also convenient to make the filling amount of the elastic sealing ring 300 in the groove space within a more appropriate range, which is conducive to the pressing assembly of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a better sealing effect.

[0118] The fact that the distance between the outer circumference and the inner circumference of the first section 310 gradually increases from the first end 311 to the convex top 313 means that the distance between the outer circumference and the inner circumference of the first section 310 gradually increases from the first end 311 to the convex top 313 when the elastic sealing ring 300 is in the natural state.

[0119] The fact that the distance between the outer circumference and the inner circumference of the first section 310 gradually decreases from the convex top 313 to the second end 312 means that the distance between the outer circumference and the inner circumference of the first section 310 gradually decreases from the convex top 313 to the second end 312 when the elastic sealing ring 300 is in the natural state.

[0120] The distance between the outer circumference and the inner circumference of the first section 310 at the convex top 313 is d2, and d2 > d1.

[0121] d2 is the distance between the outer circumference and the inner circumference of the first section 310 at the convex top 313 when the elastic sealing ring 300 is in the natural state. In other words, the line width of the convex top 313 when the elastic sealing ring 300 is in the natural state is d2.

[0122] In some possible embodiments, 0.02 mm ≤ d2 - d1 ≤ 0.08 mm.

[0123] In this way, in an electronic device worn on the wrist such as a watch, on the basis of realizing the anti - detachment of the elastic sealing ring 300, it is convenient to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, the first section 310 has little influence on the filling of the elastic sealing ring 300 in the groove space, and it is also convenient to make the filling amount of the elastic sealing ring 300 in the groove space within a more appropriate range, so as to facilitate the pressing and assembling of the first housing 100 and the second housing 200, and to make the elastic sealing ring 300 have a better sealing effect.

[0124] The distance between the outer circumference and the inner circumference of the second section 320 is d3, and d3 < d1.

[0125] d3 is the distance between the outer circumference and the inner circumference of the second section 320 when the elastic sealing ring 300 is in a natural state. In other words, the line width of the second section 320 when the elastic sealing ring 300 is in a natural state is d3.

[0126] In some possible implementation manners, 0.07mm ≤ d1 - d3 ≤ 0.13mm.

[0127] In this way, in an electronic device worn on the wrist such as a watch, it is convenient to make the filling amount of the elastic sealing ring 300 in the groove space within a more appropriate range, so as to facilitate the pressing and assembling of the first housing 100 and the second housing 200, and to make the elastic sealing ring 300 have a better sealing effect.

[0128] Exemplarily, 0.09mm ≤ d2 - d3 ≤ 0.21mm.

[0129] In some possible implementation manners, the projection of the outer circumference of the first section 310 along the extending direction of the center line of the elastic sealing ring 300 is an arc segment protruding outward from the projection of the elastic sealing ring 300 along the extending direction of the center line of the elastic sealing ring 300. The projection of the inner circumference of the first section 310 along the extending direction of the center line of the elastic sealing ring 300 is an arc segment protruding inward from the projection of the elastic sealing ring 300 along the extending direction of the center line of the elastic sealing ring 300.

[0130] In this way, it is relatively easy for the elastic sealing ring 300 to undergo elastic deformation under the extrusion of the inner peripheral wall and the outer peripheral wall of the first annular sealing groove 130, and it is convenient to assemble the elastic sealing ring 300 into the first annular sealing groove 130. In addition, the first section 310 is relatively stably pressed and fixed by the inner peripheral wall and the outer peripheral wall of the first annular sealing groove 130, and the anti - detachment effect of the elastic sealing ring 300 is better.

[0131] In other examples, a stepped structure may be formed at the connection between the first section 310 and the second section 320, and the distance between the inner circumference and the outer circumference of the first section 310 remains unchanged from the first end 311 to the second end 312.

[0132] In some possible embodiments, the surface of the second housing 200 covering the first housing 100 is a planar structure. At this time, the cavity of the first annular sealing groove 130 is a groove space.

[0133] Figure 7 It is a schematic cross-sectional view of the second section of an elastic sealing ring in a natural state provided by an embodiment of the present application. Figure 8 It is a schematic cross-sectional view of the second section of an elastic sealing ring when it is pressed by the first housing and the second housing in the groove space provided by an embodiment of the present application. Figure 9 It is a schematic cross-sectional view of the convex top of an elastic sealing ring in a natural state provided by an embodiment of the present application. Figure 10 It is a schematic cross-sectional view of the convex top of an elastic sealing ring when it is pressed by the first housing and the second housing in the groove space provided by an embodiment of the present application.

[0134] As Figures 7 - 10 shown, in some other possible embodiments, the surface of the second housing 200 facing the first housing 100 has a second annular sealing groove 210. The first annular sealing groove 130 and the second annular sealing groove 210 are arranged opposite to each other. The first annular sealing groove 130 and the second annular sealing groove 210 are used to form a groove space. At this time, the groove space is composed of the cavity of the first annular sealing groove 130 and the cavity of the second annular sealing groove 210. One end of the elastic sealing ring 300 in the extending direction of the center line of the elastic sealing ring 300 is located in the first annular sealing groove 130 and is pressed by the bottom wall of the first annular sealing groove 130. The other end of the elastic sealing ring 300 in the extending direction of the center line of the elastic sealing ring 300 is located in the second annular sealing groove 210 and is pressed by the bottom wall of the second annular sealing groove 210.

[0135] In this way, it is beneficial to reduce the depth of the first annular sealing groove 130, thereby facilitating the reduction of the size of the first housing 100 and also facilitating the assembly of the elastic sealing ring 300 in the first annular sealing groove 130. In addition, the alignment of the first housing 100 and the second housing 200 is relatively easy. In addition, the second annular sealing groove 210 can limit the relative position of the elastic sealing ring 300 and the second housing 200, and the elastic sealing ring 300 is not easily sealed due to relative movement with respect to the second housing 200.

[0136] When the second housing 200 has a second annular sealing groove 210: One end of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 is located in the first annular sealing groove 130 and is pressed by the bottom wall of the first annular sealing groove 130. The other end of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 is located in the second annular sealing groove 210 and is pressed by the bottom wall of the second annular sealing groove 210. One end of the second section 320 in the extending direction of the center line of the elastic sealing ring 300 is located in the first annular sealing groove 130 and is pressed by the bottom wall of the first annular sealing groove 130. The other end of the second section 320 in the extending direction of the center line of the elastic sealing ring 300 is located in the second annular sealing groove 210 and is pressed by the bottom wall of the second annular sealing groove 210. The first section 310 and the second section 320 pressed by the bottom of the first annular sealing groove 130 and the bottom of the second annular sealing groove 210 will undergo elastic deformation.

[0137] Exemplarily, when the elastic sealing ring 300 is in a natural state, the cross-section of the second section 320 can be circular, and the diameter of the cross-section of the second section 320 is d3.

[0138] Exemplarily, when the elastic sealing ring 300 is in a natural state, the cross-section of the first section 310 can include a circular main body portion 314, an outer convex portion 315 protruding from the outer periphery of the main body portion 314, and an inner convex portion 316 protruding from the inner periphery of the main body portion 314. The diameter of the main body portion 314 can be d3. At the convex top 313, the distance between the end of the outer convex portion 315 away from the main body portion 314 and the end of the inner convex portion 316 away from the main body portion 314 is d2. Exemplarily, the distance between the end of the outer convex portion 315 away from the main body portion 314 and the main body portion 314 can be equal to the distance between the end of the inner convex portion 316 away from the main body portion 314 and the main body portion 314.

[0139] In some examples, the second section 320 has a clearance fit with the outer peripheral wall and the inner peripheral wall of the second annular sealing groove 210.

[0140] In this way, it is easier to assemble the elastic sealing ring 300 into the second annular sealing groove 210. In addition, it is also beneficial for the pressing assembly of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a better sealing effect.

[0141] In some possible implementation manners, the first section 310 has a clearance fit with the outer peripheral wall and the inner peripheral wall of the second annular sealing groove 210.

[0142] In this way, it is easier to assemble the elastic sealing ring 300 into the second annular sealing groove 210. In addition, it is also beneficial to the pressing assembly of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a better sealing effect.

[0143] In some possible embodiments, the filling amount of the second section 320 in the groove space is greater than or equal to 95% and less than or equal to 105%.

[0144] In this way, it is easier to assemble the elastic sealing ring 300 into the groove space. In addition, it is also beneficial to the pressing assembly of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a better sealing effect.

[0145] The cross-sectional area of the second section 320 in the cross-section of the elastic sealing ring 300 in the natural state is a, and the cross-sectional area of the groove space is s. The filling amount of the second section 320 can be obtained by a / s.

[0146] When the groove cavity of the first annular sealing groove 130 is the groove space, the cross-sectional area of the groove cavity of the first annular sealing groove 130 is s1, and the filling amount of the second section 320 can be obtained by a / s1.

[0147] When the groove space is composed of the groove cavity of the first annular sealing groove 130 and the groove cavity of the second annular sealing groove 210, the cross-sectional area of the groove cavity of the first annular sealing groove 130 is s1, and the cross-sectional area of the groove cavity of the second annular sealing groove 210 is s2. The filling amount of the second section 320 can be obtained by a / (s1 + s2).

[0148] In some possible embodiments, the filling amount of the first section 310 in the groove space is greater than or equal to 95% and less than or equal to 120%.

[0149] In this way, it is easier to assemble the elastic sealing ring 300 into the groove space. In addition, the resilience of the first section 310 has less influence on the pressing effect of the first housing 100 and the second housing 200, and is not likely to cause deformation or displacement of the first housing 100 and the second housing 200, which is beneficial to the pressing assembly of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a better sealing effect.

[0150] The cross-sectional area of the first section 310 in the cross-section of the elastic sealing ring 300 in the natural state is b, and the cross-sectional area of the groove space is s. The filling amount of the first section 310 can be obtained by b / s.

[0151] When the groove cavity of the first annular sealing groove 130 is the groove space, the cross-sectional area of the groove cavity of the first annular sealing groove 130 is s1, and the filling amount of the second section 320 can be obtained by b / s1.

[0152] When the groove space is composed of the groove cavity of the first annular sealing groove 130 and the groove cavity of the second annular sealing groove 210, the cross-sectional area of the groove cavity of the first annular sealing groove 130 is s1, the cross-sectional area of the groove cavity of the second annular sealing groove 210 is s2, and the filling amount of the second section 320 can be obtained by b / (s1 + s2).

[0153] When the elastic sealing ring 300 is in a natural state, the cross-sectional area b of the first section 310 at different positions in the circumferential direction of the elastic sealing ring 300 may be different, and the filling amounts of different positions of the first section 310 in the circumferential direction of the elastic sealing ring 300 in the groove space may be different.

[0154] In some possible embodiments, the compression amount of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 is equal to the compression amount of the second section 320 in the extending direction of the center line of the elastic sealing ring 300.

[0155] In this way, the pressing effect of the first section 310 on the first housing 100 and the second housing 200 is less affected, and it is not easy to cause deformation or displacement of the first housing 100 and the second housing 200, which is beneficial to the pressing assembly of the first housing 100 and the second housing 200 and enables the elastic sealing ring 300 to have a better sealing effect.

[0156] Exemplarily, when the elastic sealing ring 300 is in a natural state, the dimension of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 may be the same as the dimension of the second section 320 in the extending direction of the center line of the elastic sealing ring 300.

[0157] After the first housing 100 and the second housing 200 are assembled, the distance between the two ends of the groove space in the extending direction of the center line of the elastic sealing ring 300 is c. When the elastic sealing ring 300 is in a natural state, the dimension of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 is d, and the dimension of the second section 320 in the extending direction of the center line of the elastic sealing ring 300 is e. The compression amount of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 can be obtained by (d - c) / d. The compression amount of the second section 320 in the extending direction of the center line of the elastic sealing ring 300 can be obtained by (e - c) / e.

[0158] When the first housing 100 is in contact with the second housing 200 and the groove cavity of the first annular sealing groove 130 is the groove space, the distance c between the two ends of the groove space in the extending direction of the center line of the elastic sealing ring 300 is the distance between the groove bottom of the first annular sealing groove 130 and the second housing 200, that is, c is equal to the depth of the groove cavity of the first annular sealing groove 130.

[0159] When the first housing 100 is attached to the second housing 200 and the groove space is composed of the cavity of the first annular sealing groove 130 and the cavity of the second annular sealing groove 210, the distance c between the two ends of the groove space in the extending direction of the center line of the elastic sealing ring 300 is the distance between the bottom of the first annular sealing groove 130 and the bottom of the second annular sealing groove 210. That is to say, c is equal to the sum of the depth of the first annular sealing groove 130 and the depth of the second annular sealing groove 210.

[0160] In some possible embodiments, the compression amount of the first section 310 in the extending direction of the center line of the elastic sealing ring 300 is greater than or equal to 25% and less than or equal to 35%.

[0161] In this way, the first section 310 can have a long service life, and it is not easy to have the phenomenon that the first section 310 is compressed for a long time without rebounding. In addition, it is beneficial to the pressing and assembling of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a good sealing effect.

[0162] Exemplarily, the compression amount of the second section 320 in the extending direction of the center line of the elastic sealing ring 300 is greater than or equal to 25% and less than or equal to 35%.

[0163] In this way, the second section 320 can have a long service life, and it is not easy to have the phenomenon that the second section 320 is compressed for a long time without rebounding. In addition, it is beneficial to the pressing and assembling of the first housing 100 and the second housing 200, and enables the elastic sealing ring 300 to have a good sealing effect.

[0164] In some examples, the first annular sealing groove 130 can be a circular annular sealing groove. At this time, the width d1 of the first annular sealing groove 130 is the distance between the outer peripheral wall and the inner peripheral wall of the first annular seal 130 in the radial direction of the first annular sealing groove 130.

[0165] Figure 11 Schematic diagram of another first housing provided by the embodiment of the present application, Figure 12 Schematic diagram of another elastic sealing ring in a natural state provided by the embodiment of the present application, Figure 13 For Figure 12 The elastic sealing ring provided in Figure 11 Schematic diagram of being assembled in the first housing provided in

[0166] As Figures 11 - 13 shown, in some possible embodiments, the first annular sealing groove 130 has a corner area 131, and the first section 310 is located in the area outside the corner area 131.

[0167] In this way, it is easier to assemble the elastic sealing ring 300 into the first annular sealing groove 130 having the corner region 131. In addition, after the elastic sealing ring 300 is assembled into the first annular sealing groove 130, the first section 310 is not likely to come out of the first annular sealing groove 130 either.

[0168] Exemplarily, the first annular sealing groove 130 may be a square annular sealing groove.

[0169] The corner region 131 is a region where the circumferential curvature of the first annular sealing groove 130 changes abruptly along the circumference of the first annular sealing groove 130. When the first annular sealing groove 130 is a circular annular sealing groove or other structure with a constant circumferential curvature along the first annular sealing groove 130, the first annular sealing groove 130 does not have the corner region 131.

[0170] In an example where the first annular sealing groove 130 has the corner region 131, the first annular sealing groove 130 also has a straight region 132. The two ends of the corner region 131 in the circumferential direction of the first annular sealing groove 130 may be respectively connected to different straight regions 132, and the first section 310 is located in the straight region 132.

[0171] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, or an indirect connection through an intermediate medium, or the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0172] In the embodiments of the present application or implications, the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the embodiments of the present application. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless otherwise specifically and precisely defined.

[0173] The terms "first", "second", "third", "fourth", etc. (if any) in the description, claims and the above-mentioned drawings of the embodiments of the present application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily limit to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0174] The term "plurality" herein refers to two or more. The term "and / or" herein merely describes the association relationship of associated objects and indicates that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the associated objects before and after; in a formula, the character " / " represents a "division" relationship between the associated objects before and after.

[0175] It can be understood that the various numerical numbers involved in the embodiments of the present application are only for the convenience of description and do not limit the scope of the embodiments of the present application.

[0176] It can be understood that in the embodiments of the present application, the magnitudes of the sequence numbers of the above processes do not mean the sequence of execution, and the execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

Claims

1. A housing assembly (10), characterized in that, It includes a first housing (100), a second housing (200) and an elastic sealing ring (300); The second housing (200) is cover-connected to the first housing (100). A surface of the first housing (100) facing the second housing (200) has a first annular sealing groove (130) for forming a groove space, and the elastic sealing ring (300) is arranged in the groove space; The elastic sealing ring (300) includes a first section (310) and a second section (320). The first section (310) and the second section (320) are circumferentially distributed along the elastic sealing ring (300). The inner circumference of the first section (310) protrudes from the inner circumference of the second section (320), and the outer circumference of the first section (310) protrudes from the outer circumference of the second section (320); At least part of the first section (310) is pressed and fixed by the outer peripheral wall and the inner peripheral wall of the first annular sealing groove (130), and the second section (320) is in clearance fit with the outer peripheral wall and the inner peripheral wall of the first annular sealing groove (130).

2. The housing assembly (10) according to claim 1, wherein, The first section (310) includes a first end (311), a second end (312) and a convex top (313). The first end (311) and the second end (312) are respectively located at two ends of the first section (310) in the circumferential direction of the elastic sealing ring (300), and the convex top (313) is located between the first end (311) and the second end (312); The distance between the outer circumference and the inner circumference of the first section (310) gradually increases from the first end (311) to the convex top (313), and the distance between the outer circumference and the inner circumference of the first section (310) gradually decreases from the convex top (313) to the second end (312).

3. The housing assembly (10) according to claim 2, characterized in that, The width of the first annular sealing groove (130) is d1, and the distance between the outer circumference and the inner circumference of the first section (310) at the convex top (313) is d2, where 0.02mm ≤ d2 - d1 ≤ 0.08mm.

4. The housing assembly (10) according to claim 2, wherein, The projection of the outer circumference of the first section (310) along the extension direction of the center line of the elastic sealing ring (300) is an arc segment protruding outward from the projection of the elastic sealing ring (300) along the extension direction of the center line of the elastic sealing ring (300); The projection of the inner circumference of the first section (310) along the extension direction of the center line of the elastic sealing ring (300) is an arc segment protruding inward from the projection of the elastic sealing ring (300) along the extension direction of the center line of the elastic sealing ring (300).

5. The housing assembly (10) according to claim 1, characterized in that, The surface of one side of the second housing (200) facing the first housing (100) has a second annular sealing groove (210). The first annular sealing groove (130) is arranged opposite to the second annular sealing groove (210). The first annular sealing groove (130) and the second annular sealing groove (210) are used to form the groove space. One end of the elastic sealing ring (300) in the extending direction of the center line of the elastic sealing ring (300) is located in the first annular sealing groove (130) and is pressed by the bottom wall of the first annular sealing groove (130). The other end of the elastic sealing ring (300) in the extending direction of the center line of the elastic sealing ring (300) is located in the second annular sealing groove (210) and is pressed by the bottom wall of the second annular sealing groove (210).

6. The housing assembly (10) according to claim 5, characterized in that, The first section (310) is in clearance fit with the outer peripheral wall and the inner peripheral wall of the second annular sealing groove (210).

7. The housing assembly (10) according to any one of claims 1-6, characterized in that, The filling amount of the first section (310) in the groove space is greater than or equal to 95% and less than or equal to 120%.

8. The housing assembly (10) according to any one of claims 1-6, characterized in that, The filling amount of the second section (320) in the groove space is greater than or equal to 95% and less than or equal to 105%.

9. The housing assembly (10) according to any one of claims 1-6, characterized in that, The compression amount of the first section (310) in the extending direction of the center line of the elastic sealing ring (300) is equal to the compression amount of the second section (320) in the extending direction of the center line of the elastic sealing ring (300).

10. The housing assembly (10) according to any one of claims 1-6, characterized in that, The compression amount of the first section (310) in the extending direction of the center line of the elastic sealing ring (300) is greater than or equal to 25% and less than or equal to 35%.

11. The housing assembly (10) according to any one of claims 1-6, characterized in that, The elastic sealing ring (300) includes multiple sections of the first section (310) that are circumferentially spaced apart along the elastic sealing ring (300). There is the second section (320) between two adjacent sections of the first section (310). Two adjacent sections of the first section (310) are connected by the second section (320) therebetween.

12. The housing assembly (10) according to any one of claims 1-6, characterized in that, The first annular sealing groove (130) has a corner area (131). The first section (310) is located in the area outside the corner area (131).

13. The housing assembly (10) according to any one of claims 1-6, characterized in that, The first housing (100) has multiple first connection holes (110). The first connection holes (110) are located outside the first annular sealing groove (130). The first connection holes (110) are circumferentially spaced along the first annular sealing groove (130). The second housing (200) has second connection holes corresponding to the first connection holes (110) one by one. The second connection holes are arranged opposite to the corresponding first connection holes (110). Fasteners are inserted through the first connection holes (110) and the corresponding second connection holes. The fasteners are used to fixedly connect the first housing (100) and the second housing (200). The first section (310) and the first connection holes (110) are misaligned in the circumferential direction of the first annular sealing groove (130).

14. The housing assembly (10) according to any one of claims 1-6, characterized in that, The length of the first section (310) along the circumferential direction of the elastic sealing ring (300) is greater than or equal to 1 mm and less than or equal to 3 mm.

15. The housing assembly (10) according to any one of claims 1-6, characterized in that, The width of the first annular sealing groove (130) is d1, and the distance between the outer circumference and the inner circumference of the second section (320) is d3, where 0.07 mm ≤ d1 - d3 ≤ 0.13 mm.

16. An electronic device, characterized in that, Comprising an electronic device and a housing assembly (10) according to any one of claims 1-15; A device installation cavity is formed by enclosing between the first housing (100) of the housing assembly (10), the second housing (200) of the housing assembly (10), and the elastic sealing ring (300) of the housing assembly (10), and the electronic device is disposed in the device installation cavity.

17. The electronic device according to claim 16, wherein The electronic device is a wearable device; The electronic device further includes a device belt (20), and the device belt (20) is connected to one of the first housing (100) and the second housing (200).

Images