CN217470552U

CN217470552U - Sealing member, wearable equipment and mesochite thereof

Info

Publication number: CN217470552U
Application number: CN202221316286.0U
Authority: CN
Inventors: 黄雷; 李林森
Original assignee: Weifang Goertek Electronics Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-20
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a sealing member, wearable equipment and mesochite thereof, wherein, this sealing member is used for setting up between two casings of wearable equipment, the sealing member adopts liquid flexible glue material to make, the sealing member includes the flexible glue body and locates draw gluey post of flexible glue body one side, draw gluey post to be used for planting one of them the drawing of casing is downthehole, the flexible glue body is used for sealed butt in two between the casing. The technical scheme of the utility model reliable sealed in can realizing narrow and small space to can avoid the sealing member to appear the dislocation and be crushed and wounded and the problem that waterproof became invalid appears, can effectively promote the waterproof reliability of sealing of product and reduce the product defective rate.

Description

Sealing member, wearable equipment and mesochite thereof

Technical Field

The utility model relates to a wearable equipment technical field, in particular to sealing member, wearable equipment and mesochite thereof.

Background

Along with the diversification of functions and the diversification of use scenes of wearable products (such as wrist strap products of watches, bracelets and the like), the waterproof requirement on the products is higher and higher, the common life waterproof requirement cannot meet the requirements of consumers on the wearable products, such as diving, swimming, bathing and the like when wearing watches, the waterproof requirement on the waterproof grade of the products is a new requirement, and how to ensure that the products are more reliable in waterproof in various scenes, higher requirements on designers are provided in product design.

The shell of the existing wearable equipment mostly adopts the following three ways for realizing water prevention, the first way is to use an assembled O-shaped ring, the integral thickness of the product is thicker, the appearance modeling competitiveness is poor, and the problem of water prevention failure caused by pressure injury due to easy dislocation of the assembled O-shaped ring is solved; the second is to adopt waterproof double faced adhesive tape, this kind of mode can make the whole thickness of the products thin, but the reworking is extremely bad, need to change the double faced adhesive tape each time reworking, and the reworking product takes long time, is unfavorable for producing the production line; and thirdly, dispensing is adopted, so that the product cannot be repaired, and the product is scrapped integrally when abnormality occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealing member can realize the reliable sealing in the narrow and small space to can avoid the sealing member to appear the dislocation and be crushed and hinder and the problem that waterproof became invalid appears, can effectively promote the waterproof reliability of sealing of product and reduce the product defective rate.

In order to achieve the above object, the utility model provides a sealing member for set up between two casings of wearable equipment, the sealing member adopts liquid flexible glue material to make, the sealing member includes the flexible glue body and locates the gluey post of drawing of flexible glue body one side, draw gluey post to be used for planting one of them the gluey downthehole of drawing of casing, the flexible glue body is used for sealed butt in two between the casing.

In one embodiment, the soft glue body is annularly arranged, the glue pulling columns are provided in a plurality, and the glue pulling columns are arranged at intervals along the circumferential direction of the soft glue body.

In one embodiment, the glue pulling columns are arranged in an inverted buckle shape.

In one embodiment, the sealing element further comprises a convex hull, the convex hull is arranged on one side, away from the glue pulling column, of the soft glue body, and the convex hull can be extruded and deformed to fill a gap between the two shells.

In one embodiment, the convex hull extends parallel to the soft gum body; and/or at least two convex hulls are arranged at intervals in the width direction of the soft rubber body.

The utility model also provides a mesochite for wearable equipment, the mesochite include the shell body and as above the sealing member, the shell body is equipped with the confession the pulling of gluing the post of planting of drawing of sealing member glues the hole.

In one embodiment, the housing body is further provided with a sinking groove for accommodating the soft rubber body of the sealing element.

In one embodiment, the casing body is a plastic casing, and the sealing element is integrally formed on the casing body through LIM liquid injection molding.

In one embodiment, the two sealing elements are a first sealing element and a second sealing element which are respectively arranged at two opposite sides of the shell body, the first sealing element is used for sealing and connecting the shell body with a front shell of the wearable device, and the second sealing element is used for sealing and connecting the shell body with a rear shell of the wearable device.

The utility model also provides a wearable equipment, including can dismantling preceding shell, the backshell of connection and as above the mesochite, the mesochite set up in preceding shell with between the backshell.

The technical scheme of the utility model realizes the sealing connection between two shells through the sealing element made of the liquid soft rubber material, compared with the traditional scheme of arranging and assembling the O-shaped ring between two shells, the liquid soft rubber has better fluidity and is easier to deform when being extruded by external force, and the liquid soft rubber can fill the narrow gap between the two shells through self deformation, thereby realizing better sealing effect; and the liquid soft glue has larger compressible deformation, has lower space appeal on the Z-direction thickness of the product, and ensures that the whole thickness of the product is thinner and the appearance and the shape are more competitive. In addition, the problem of waterproof failure caused by pressure damage to the traditional O-shaped ring during assembling is easy to occur, the sealing element of the scheme is inserted into the glue pulling hole of the shell through the glue pulling column, so that the sealing element is more firmly combined with the shell, the problem of waterproof failure caused by pressure damage to the sealing element during dislocation is avoided, and the sealing waterproof reliability of the product is further ensured and the reject ratio of the product is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the wearable device of the present invention;

FIG. 2 is a schematic structural diagram of another perspective view of the wearable device of FIG. 1;

FIG. 3 is a cross-sectional schematic view of the wearable device of FIG. 1;

fig. 4 is a schematic structural diagram of an embodiment of the middle shell of the present invention;

FIG. 5 is an exploded view of the middle shell of FIG. 4;

FIG. 6 is a schematic cross-sectional view of the center housing of FIG. 4;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is a schematic structural diagram of an embodiment of a housing body;

FIG. 9 is a schematic view of the housing body of FIG. 8 from another perspective;

FIG. 10 is a schematic cross-sectional view of an embodiment of a first seal;

FIG. 11 is a cross-sectional view of an embodiment of a second seal.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name (R)
				100	Wearable device	121	Soft rubber body
10	Middle shell	122	Glue pulling column
				11	Shell body	123	Convex hull
101	Rubber pulling hole	20	Front shell
				102	Sink tank	30	Rear shell
12	Sealing element	40	Electronic component
				12a	First seal member	50	Fastening piece
12b	Second seal

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sealing member 12.

Referring to fig. 3, 8, 10 and 11, in an embodiment of the present invention, the sealing element 12 is disposed between two housings of the wearable device 100, the sealing element 12 is made of a liquid soft rubber material, the sealing element 12 includes a soft rubber body 121 and a glue pulling column 122 disposed on one side of the soft rubber body 121, the glue pulling column 122 is disposed in a glue pulling hole 101 of one of the housings, and the soft rubber body 121 is configured to be abutted to the two housings.

Specifically, when the wearable device 100 includes the front case 20 and the rear case 30 that snap together, the sealing member 12 may be disposed between the front case 20 and the rear case 30 to achieve a sealed connection of the front case 20 and the rear case 30; when the wearable device 100 further includes the middle case 10 disposed between the front case 20 and the rear case 30, the sealing member 12 may be disposed between the front case 20 and the middle case 10 and between the middle case 10 and the rear case 30, thereby achieving the sealing connection of the front case 20 and the middle case 10 and the rear case 30. For example, as shown in fig. 1 to 3, in the present embodiment, the wearable device 100 includes a front shell 20, a middle shell 10, and a rear shell 30, wherein the sealing members 12 are respectively fixed to two opposite sides of the middle shell 10, when the front shell 20, the middle shell 10, and the rear shell 30 are assembled into a whole, the sealing members 12 are compressed and deformed from a free state, and the sealing members 12 have a certain resilience after being compressed, so that the sealing members 12 can be reliably and elastically abutted against the front shell 20 and the rear shell 30, so as to ensure the sealing reliability between the middle shell 10 and the front shell 20 and the rear shell 30. The sealing member 12 is made of a liquid soft rubber material, such as a liquid silicone rubber material. In practice, the sealing member 12 may be fixed to one of the housings (e.g., the middle case 10) by bonding or injection molding. The sealing element 12 comprises a soft rubber body 121 and a glue pulling column 122, and the glue pulling column 122 is inserted into the glue pulling hole 101 of the shell (for example, the middle shell 10), so that a larger bonding area can be provided between the sealing element 12 and the shell, and the bonding between the sealing element 12 and the shell is ensured to be firmer. When the shell (for example, the middle shell 10) provided with the sealing member 12 is assembled with another shell (for example, the front shell 20 or the rear shell 30), the soft rubber body 121 is extruded and deformed and is in sealing abutment between the two shells under the action of self resilience force, so that reliable sealing connection between the two shells is realized.

The technical scheme of the utility model realizes the sealing connection between two shells through the sealing element 12 made of the liquid soft rubber material, compared with the traditional scheme of arranging and assembling the O-shaped ring between two shells, the liquid soft rubber has better fluidity and is easier to deform when being extruded by external force, and the liquid soft rubber can fill a narrow gap between the two shells through self deformation, thereby realizing better sealing effect; and the liquid soft glue has larger compressible deformation, has lower space appeal on the Z-direction thickness of the product, and ensures that the whole thickness of the product is thinner and the appearance and the shape are more competitive. In addition, the traditional O-shaped ring is easy to dislocate and is crushed and damaged to cause the problem of waterproof failure, the sealing element 12 of the scheme is inserted into the glue pulling hole 101 of the shell through the glue pulling column 122, so that the combination of the sealing element 12 and the shell is firmer, the problem of waterproof failure caused by the dislocate and the crushing of the sealing element 12 can be avoided, and the sealing waterproof reliability of the product can be further ensured and the reject ratio of the product can be reduced.

In order to further improve the bonding reliability between the sealing element 12 and the housing, in one embodiment, the soft rubber body 121 is annularly disposed, the glue pulling columns 122 are provided in plurality, and the glue pulling columns 122 are arranged at intervals along the circumferential direction of the soft rubber body 121. The specific number of the glue pulling columns 122 can be set according to actual needs, and can be two, three, four or more. The number of the glue pulling holes 101 of the shell is matched with the number of the glue pulling columns 122, and the glue pulling columns 122 are inserted into the glue pulling holes 101 in a one-to-one correspondence manner. Through the cooperation of the glue pulling columns 122 and the glue pulling holes 101, the combination between the sealing element 12 and the shell is firmer and more reliable.

To further enhance the bonding of the seal 12 to the housing, in one embodiment, the glue string 122 is in an inverted configuration. Of course, in other embodiments, the glue pulling column 122 may be provided in other shapes as long as the combination area between the glue pulling column 122 and the glue pulling hole 101 can be increased as much as possible. The cross-sectional shape of the glue pulling column 122 can also be designed into different shapes according to needs, such as a circular, square, triangular, trapezoidal, racetrack-shaped or other irregular cross-section, and is not limited in detail here.

In order to further improve the sealing reliability between the two shells, please refer to fig. 10 and 11, based on the above embodiment, the sealing element 12 further includes a convex hull 123, the convex hull 123 is disposed on a side of the soft rubber body 121 away from the glue pulling column 122, and the convex hull 123 can be deformed by pressing to fill a gap between the two shells. Specifically, the number of convex hulls 123 may be set according to actual needs (e.g., may be set according to actual compression amount and filling amount), and may be, for example, one, two, or more. The shape of the convex hull 123 can be designed to be a long strip, a sawtooth shape or other shapes, and the cross-sectional shape of the convex hull 123 can be designed to be a convex arc, a triangle, a trapezoid or other special-shaped cross section. The compression amount of the convex hull 123 may be set according to actual needs, and may be set to 10% to 40%, for example, and is not particularly limited herein. After two casings are assembled in place, the convex hull 123 is compressed from a free state, the convex hull 123 is extruded to the gap area of the two casings, the convex hull 123 has rebound force according to self rebound characteristics, the casings are extruded by the rebound force all the time, and therefore external water can be effectively prevented from flowing into the casings from the gaps of the two casings, and sealing and waterproof performance can be effectively improved.

In one embodiment, the convex hull 123 extends parallel to the soft gel body 121. That is, the extension direction of convex hull 123 and flexible glue body 121 is unanimous, for example, as shown in fig. 5, flexible glue body 121 is the annular setting, and convex hull 123 is the annular setting of extending along the circumference of flexible glue body 121, so for the gap homoenergetic in each position of two casings edge circumference can be filled by the convex hull 123 after the extrusion, further promotes sealed reliability. The convex hull 123 may be configured as a strip, a sawtooth, or a wave extending along the length direction of the soft rubber body 121.

In one embodiment, at least two convex hulls 123 are arranged at intervals in the width direction of the soft rubber body 121. For example, as shown in fig. 11, the soft rubber body 121 is annularly disposed, and two convex hulls 123 are disposed at intervals in the width direction (i.e., the radial direction of the soft rubber body 121) of the soft rubber body 121, and both the two convex hulls 123 are annularly disposed extending along the circumferential direction of the soft rubber body 121. When the sealing member is pressed, both the two convex hulls 123 are deformed to fill the gap between the housings, thereby further improving the sealing reliability.

The utility model discloses a mesochite 10 is still proposed for wearable equipment 100.

Referring to fig. 4 to 9, in an embodiment of the present invention, the middle shell 10 includes a shell body 11 and a sealing element 12, and the shell body 11 is provided with a glue pulling hole 101 for inserting a glue pulling column 122 of the sealing element 12. The specific structure of the sealing member 12 refers to the above embodiments, and since the casing 10 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

Specifically, in the present embodiment, the middle shell 10 is used for the wearable device 100, wherein the wearable device 100 includes a front shell 20 and a rear shell 30, the middle shell 10 is sandwiched between the front shell 20 and the rear shell 30, and the sealing connection between the middle shell 10 and the front shell 20 or the sealing connection between the middle shell 10 and the rear shell 30 can be achieved through the sealing member 12 of the middle shell 10. The sealing element 12 is inserted into the glue pulling hole 101 of the shell body 11 through the glue pulling column 122 so as to improve the bonding reliability between the sealing element 12 and the shell body 11. Optionally, the shell body 11 is provided with a plurality of glue pulling holes 101 at intervals along the circumferential direction, one side of the soft glue body 121 of the sealing element 12 is provided with a plurality of glue pulling columns 122 at intervals along the circumferential direction, and the glue pulling columns 122 are in one-to-one insertion fit with the glue pulling holes 101.

The technical scheme of the utility model through be provided with sealing member 12 on the shell body 11 at mesochite 10 of wearable equipment 100, after mesochite 10 and another casing (for example preceding shell 20 or backshell 30) assemble target in place, can realize reliable sealed between the two through sealing member 12. Because the sealing element 12 is made of the liquid soft rubber material, compared with the traditional scheme that an O-shaped ring is arranged and assembled between two shells, the liquid soft rubber has better fluidity and is easier to deform when being extruded by external force, and the liquid soft rubber can fill a narrow gap between the middle shell 10 and the other shell through self deformation, thereby realizing better sealing effect; and the liquid soft glue has larger compressible deformation, has lower space appeal on the Z-direction thickness of the product, and ensures that the whole thickness of the product is thinner and the appearance and the shape are more competitive. In addition, the traditional O-shaped ring is easy to generate dislocation and is crushed to cause the problem of waterproof failure, the sealing element 12 of the scheme is inserted into the glue pulling hole 101 of the shell body 11 through the glue pulling column 122, so that the combination of the sealing element 12 and the shell body 11 is firmer, the problem of waterproof failure caused by dislocation and crushing can be avoided, and the sealing waterproof reliability of the product can be further ensured and the reject ratio of the product can be reduced. In addition, because sealing member 12 is fixed in on the casing body 11, when the product needs to be reprocessed, take the mesochite 10 apart the back with another casing, the integrality of sealing member 12 can not receive the destruction, can not influence the secondary use, need not to change sealing member 12 to can promote the reprocessability of product.

In order to further improve the bonding reliability between the housing body 11 and the sealing member 12, please refer to fig. 7 to 9, in one embodiment, the housing body 11 is further provided with a sinking groove 102 for accommodating a soft rubber body 121 of the sealing member 12. The soft rubber body 121 is accommodated in the sinking groove 102, and both the bottom wall and the side wall of the sinking groove 102 can be in contact with the soft rubber body 121, so that the bonding area between the two can be effectively increased, and the bonding strength is increased.

In the above embodiment, the sealing member 12 includes, but is not limited to, being fixed with the housing body 11 by means of bonding, liquid silicone two-color injection molding or insert molding. In order to simplify the manufacturing process and improve the bonding strength, in one embodiment, the housing body 11 is a plastic housing, and the sealing member 12 is integrally formed on the housing body 11 by LIM liquid injection molding. Specifically, during Molding, a mold for Molding the sealing element 12 is disposed on one side of the shell body 11, and then two-component silica gel is injected into a cavity of the mold through an Injection Molding machine by a LIM (Liquid Injection Molding) process, and the Liquid silica gel is cured and integrally molded on the shell body 11 at a certain temperature.

In order to further enhance the bonding property between the case body 11 and the sealing member 12, further, the bonding surface of the case body 11 and the sealing member 12 is coated with a primer.

Referring to fig. 3, fig. 6 and fig. 7, in the above embodiment, two sealing members 12 are provided, namely, a first sealing member 12a and a second sealing member 12b which are respectively provided at two opposite sides of the housing body 11, where the first sealing member 12a is used for sealing and connecting the housing body 11 with the front housing 20 of the wearable device 100, and the second sealing member 12b is used for sealing and connecting the housing body 11 with the rear housing 30 of the wearable device 100. Specifically, in the present embodiment, the first sealing member 12a and the second sealing member 12b may be integrally formed on the opposite sides of the housing body 11 by LIM liquid injection molding. After the front shell 20, the middle shell 10 and the rear shell 30 are assembled, the first sealing element 12a is in sealing butt joint between the shell body 11 and the front shell 20, and the second sealing element 12b is in sealing butt joint between the shell body 11 and the rear shell 30, so that reliable sealing connection of the front shell 20, the middle shell 10 and the rear shell 30 is achieved. And soft contact is formed between the front shell 20 and the middle shell 10 through the first sealing element 12a, and soft contact is formed between the middle shell 10 and the rear shell 30 through the second sealing element 12b, so that the product has better buffering performance, and the impact resistance of the product can be effectively improved.

Referring to fig. 1 to 3, the present invention further provides a wearable device 100, wherein in one embodiment, the wearable device 100 includes a front shell 20, a rear shell 30 and a middle shell 10, which are detachably connected, and the middle shell 10 is disposed between the front shell 20 and the rear shell 30. The specific structure of the middle shell 10 refers to the above embodiments, and since the wearable device 100 adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

In the present embodiment, the wearable device 100 includes, but is not limited to, a watch, a bracelet, and the like. The front shell 20 and the middle shell 10 can be connected by a snap, and the middle shell 10 and the rear shell 30 can be connected by a snap. The middle case 10 includes a case body 11, and a first sealing member 12a and a second sealing member 12b disposed on two sides of the case body 11, and a fixing groove for accommodating an electronic component 40 (for example, the electronic component 40 may be a wireless coil for wireless charging of a product) is further disposed on one side of the case body 11 close to the rear case 30. During assembly, the electronic element 40 is fixed in the fixing groove of the shell body 11 through back glue, then the shell body 11 and the rear shell 30 are connected through a buckle to realize pre-fixing, the second sealing element 12b on the shell body 11 is extruded and deformed to hermetically connect the shell body 11 and the rear shell 30 to realize a waterproof function, and the electronic element 40 can have a reliable waterproof effect under various harsh use environments of products; then, the front shell 20 and the shell body 11 are connected through a buckle to realize pre-fixing, and the first sealing element 12a on the shell body 11 is extruded and deformed to connect the shell body 11 and the front shell 20 in a sealing manner to realize a waterproof function; finally, the front shell 20, the middle shell 10 and the rear shell 30 are locked and fixed in the Z direction (i.e., the thickness direction) by fasteners 50 (e.g., screws or pins, etc.), so that the first sealing element 12a and the second sealing element 12b can be further deformed by compression to fill the narrow gaps. In this way, the front shell 20, the middle shell 10 and the rear shell 30 form a sandwich-like structure, the middle shell 10 is tightly sandwiched by the front shell 20 and the rear shell 30, and the waterproof is more reliable. And soft contact is formed between the front shell 20 and the middle shell 10 through the first sealing element 12a, and soft contact is formed between the middle shell 10 and the rear shell 30 through the second sealing element 12b, so that the product has better buffering performance, and the impact resistance of the product can be effectively improved.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a sealing member for set up between two casings of wearable equipment, its characterized in that, the sealing member adopts liquid flexible glue material to make, the sealing member includes the flexible glue body and locates drawing of flexible glue body one side glues the post, draw gluey post be used for planting one of them draw downthehole of gluing of casing, the flexible glue body be used for sealed butt in two between the casing.

2. The sealing element of claim 1, wherein the soft rubber body is annularly arranged, a plurality of the glue pulling columns are arranged, and the glue pulling columns are arranged at intervals along the circumferential direction of the soft rubber body.

3. The seal of claim 1, wherein said pull stud is in an inverted configuration.

4. The sealing element according to any one of claims 1 to 3, further comprising a convex hull, wherein the convex hull is arranged on one side of the soft rubber body away from the glue pulling column, and the convex hull can be extruded and deformed to fill a gap between the two shells.

5. The seal of claim 4 wherein the convex hull extends parallel to the soft rubber body; and/or at least two convex hulls are arranged at intervals in the width direction of the soft rubber body.

6. A middle shell for a wearable device, characterized in that the middle shell comprises a shell body and a sealing element according to any one of claims 1 to 5, wherein the shell body is provided with a glue pulling hole for inserting a glue pulling column of the sealing element.

7. The middle shell as claimed in claim 6, wherein the shell body is further provided with a sinking groove for accommodating the soft rubber body of the sealing member.

8. The middle shell according to claim 6, wherein the shell body is a plastic shell, and the sealing member is integrally formed on the shell body by LIM liquid injection molding.

9. The middle shell according to any one of claims 6 to 8, wherein the two sealing members are a first sealing member and a second sealing member, which are respectively arranged at two opposite sides of the shell body, the first sealing member is used for sealing and connecting the shell body with a front shell of the wearable device, and the second sealing member is used for sealing and connecting the shell body with a rear shell of the wearable device.

10. A wearable device comprising a front shell, a rear shell, and the middle shell of any of claims 6-9, wherein the front shell and the rear shell are removably connected, and wherein the middle shell is disposed between the front shell and the rear shell.