Wearable alarm

Abstract

The embodiment of the utility model discloses a wearable alarm, and relates to but not limited to the technical field of alarm. According to the wearable alarm, through the arrangement of the first elastic wall and the second elastic wall, a clamping groove can be formed in the circumferential outer side of the host, and the first end part and the second end part which are close to each other are separately arranged with the host at intervals, so that the first elastic wall and the second elastic wall have a relatively large elastic deformation space when subjected to external force. In the process that the annular elastic part slides into the clamping groove along the first elastic wall or the second elastic wall, the annular elastic part can be smoothly clamped in the clamping groove by utilizing the elastic deformation capacity of the annular elastic part and the first elastic wall / the second elastic wall, so that the host and the wearable part are convenient to assemble. The abutting part abuts against the sides, away from the main machine, of the first end and the second end, on one hand, the first end and the second end can be limited, so that the shape of the clamping groove is stable, on the other hand, the first end and the second end can be driven to be close to the main machine, and then the annular elastic part is clamped.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to but is not limited to the alarm technical field, more specifically, a wearable alarm. BACKGROUND

[0002] When the user wears the wearable alarm and enters a dangerous area such as a strong magnetic field area, a non-odorous toxic gas emission area, or receives a signal sent by a specific area, the wearable alarm can send an alarm signal to prompt the user.

[0003] Some wearable alarms are connected between the host and the wearing piece through complex structural members, which causes the host and the wearing piece to be not easy to assemble. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a wearable alarm, which aims to solve the technical problem that the host and the wearing piece of the wearable alarm are not easy to assemble.

[0005] The utility model embodiment provides a wearable alarm, which comprises a host and a wearing piece.

[0006] The host is provided with a first elastic wall and a second elastic wall on the circumferential outer side, a clamping groove is arranged between the first elastic wall and the second elastic wall, the first elastic wall has a first end portion close to the second elastic wall, and the first end portion is arranged in a spaced manner with the host; the second elastic wall has a second end portion close to the first elastic wall, and the second end portion is arranged in a spaced manner with the host.

[0007] The wearing piece has a ring-shaped elastic portion and an abutting portion.

[0008] The ring-shaped elastic portion is arranged to slide into the clamping groove along the first elastic wall or the second elastic wall and is sleeved on the circumferential outer side of the host.

[0009] The abutting portion is arranged on the ring-shaped elastic portion and abuts on the side of the first end portion and the second end portion away from the host.

[0010] In some embodiments of the wearable alarm, the host has a first surface and a second surface arranged in opposite directions.

[0011] The first elastic wall has a first circular arc surface connecting the first surface and the first end portion, and the first circular arc surface is convex to the side away from the host.

[0012] The second elastic wall has a second circular arc surface connecting the second surface and the second end portion, and the second circular arc surface is convex to the side away from the host.

[0013] In some embodiments of the wearable alarm, the annular elastic part is provided with a plurality of guide protrusions, which are uniformly distributed around the circumference of the annular elastic part;

[0014] The guide protrusions and the abutting part are radially spaced along the annular elastic part, and the first end part or the second end part is inserted between the guide protrusions and the abutting part;

[0015] The side of the guide protrusion away from the abutting part has a guide surface extending towards the inner edge of the annular elastic part.

[0016] In some embodiments of the wearable alarm, the first elastic wall is annular and annularly arranged on the main machine;

[0017] The second elastic wall is annular and annularly arranged on the main machine.

[0018] In some embodiments of the wearable alarm, the abutting part is annular.

[0019] In some embodiments of the wearable alarm, the main machine includes an upper shell, a lower shell, a press key, a light guide, a main board and a battery, and the press key and the light guide are an integral structure;

[0020] The upper shell and the lower shell form an installation space, the upper shell is provided with a first through hole and a second through hole in communication with the installation space, the battery is electrically connected with the main board and is installed in the installation space, the main board has a key and a light source, the press key is embedded in the first through hole and is opposite to the key, and the light guide is embedded in the second through hole and is opposite to the light source.

[0021] In some embodiments of the wearable alarm, the circumferential outer side of the press key is provided with an annular groove, the upper shell has an annular protrusion located in the first through hole, and the annular protrusion is embedded in the annular groove;

[0022] The second through hole is a stepped hole, the large end of the stepped hole is in communication with the installation space, and the light guide is in the shape of a stepped shaft and matches the stepped hole.

[0023] In some embodiments of the wearable alarm, the upper shell is provided with a first threaded column and a first clamping part located in the installation space, the main board is provided with a positioning hole positioned with the first threaded column, and the lower shell is provided with a second threaded column and a second clamping part located in the installation space;

[0024] The threaded groove of the second threaded column penetrates through the lower shell, the second threaded column is connected with the first threaded column through a threaded part, and is supported on the side of the main board away from the upper shell;

[0025] The upper shell and the lower shell are clamped by the first clamping part and the second clamping part.

[0026] In some embodiments of the wearable alarm, the upper shell further comprises at least one positioning part, at least one supporting part and at least one third clamping part, the main board is provided with a positioning groove matched with the positioning part, the supporting part supports a side of the main board away from the lower shell, and the third clamping part clamps a side of the main board away from the upper shell to abut the main board against the supporting part.

[0027] In some embodiments of the wearable alarm, the main board is provided with a positive spring and a negative spring, and the battery is clamped between the positive spring and the negative spring.

[0028] The lower shell is provided with a first supporting arm and a second supporting arm, and the first supporting arm and the second supporting arm are arranged at intervals.

[0029] The first supporting arm abuts against a side of the positive spring away from the battery, and the second supporting arm abuts against a side of the negative spring away from the battery.

[0030] The first supporting arm has a first inclined surface facing the second supporting arm, and the second supporting arm has a second inclined surface facing the first supporting arm.

[0031] The embodiment of the utility model is implemented, and the following beneficial effects are achieved:

[0032] The wearable alarm has the following beneficial effects: the first elastic wall and the second elastic wall are arranged to form a clamping groove on the circumference of the main machine, the first end part and the second end part are arranged at intervals from the main machine, the first elastic wall and the second elastic wall have a large elastic deformation space when subjected to external force, the annular elastic part is smoothly clamped in the clamping groove by utilizing the elastic deformation capacity of the annular elastic part and the first elastic wall / second elastic wall during the sliding of the annular elastic part into the clamping groove along the first elastic wall or the second elastic wall, the assembly of the main machine and the wearable part is facilitated, the abutting part abuts against a side of the first end part and the second end part away from the main machine, on the one hand, the first end part and the second end part are limited, the shape of the clamping groove is stable, and on the other hand, the first end part and the second end part are driven to be close to the main machine, the annular elastic part is clamped, the annular elastic part is elastically deformed, the connection area with the first end part and the second end part is increased, and the connection stability between the main machine and the wearable part is ensured.

[0033] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0034] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. The drawings are provided for merely for illustrative purposes and are not intended to limit the scope of the application.

[0035] Figure 1 is a front view of the wearable alarm in an embodiment of the present application;

[0036] Figure 2 is a Figure 1 sectional view along A-A direction in the wearable alarm;

[0037] Figure 3 is a Figure 2 enlarged structural schematic view of part C in the wearable alarm;

[0038] Figure 4 is a Figure 1 sectional view along B-B direction in the wearable alarm;

[0039] Figure 5 is an axial view of the wearable alarm in an embodiment of the present application;

[0040] Figure 6 is a Figure 5 partial exploded structural schematic view of the wearable alarm shown in FIG. 1;

[0041] Figure 7 is a Figure 5 exploded structural schematic view of the wearable alarm;

[0042] Figure 8 is a Figure 7 enlarged structural schematic view of part D in the wearable alarm;

[0043] Figure 9 is a Figure 5 exploded structural schematic view of the wearable alarm from another perspective;

[0044] Figure 10 is a Figure 9 enlarged structural schematic view of part E in the wearable alarm;

[0045] Figure 11 is an axial view of the upper shell in the wearable alarm in an embodiment of the present application;

[0046] Figure 12Another perspective axial view of the upper shell of the wearable alarm in an embodiment of the utility model;

[0047] Figure 13 Partial explosion structure schematic view of the wearable alarm in another embodiment of the utility model.

[0048] Explanation of reference numerals:

[0049] 10, main machine;11, first surface;12, second surface;13, upper shell;131, annular protrusion;132, first threaded column;133, first clamping portion;134, positioning portion;135, support portion;136, third clamping portion;14, lower shell;141, second threaded column;142, second clamping portion;143, first support arm;144, second support arm;15, press key;16, light guide piece;17, mainboard;171, key;172, light source piece;173, positive spring piece;174, negative spring piece;18, battery;20, wearing piece;21, annular elastic portion;22, abutment portion;23, guide protrusion;231, guide surface;30, first elastic wall;31, first end portion;32, first circular arc surface;40, second elastic wall;41, second end portion;42, second circular arc surface;100, clamping groove;200, first through hole;300, second through hole;400, annular groove;500, positioning hole;600, threaded groove;700, hanging hole;800, sunken groove;900, positioning groove. Specific implementation

[0050] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the following will be combined with the drawings to the embodiment of the utility model detailed description.It needs to be explained that, in the case of no conflict, the embodiment in the utility model and the feature in the embodiment can be combined mutually arbitrarily.

[0051] Please combine Figures 1 to 6 , Figure 9 , Figure 10 And Figure 13The wearable alarm provided by the embodiment of the utility model is described. The wearable alarm comprises a host computer 10 and a wearable part 20. The circumferential outer side of the host computer 10 is provided with a first elastic wall 30 and a second elastic wall 40, a clamping groove 100 is arranged between the first elastic wall 30 and the second elastic wall 40, the first elastic wall 30 has a first end 31 close to the second elastic wall 40, the first end 31 is arranged in a spaced manner with the host computer 10, the second elastic wall 40 has a second end 41 close to the first elastic wall 30, and the second end 41 is arranged in a spaced manner with the host computer 10. The wearable part 20 has a ring-shaped elastic part 21 and an abutting part 22. The ring-shaped elastic part 21 is arranged to slide into the clamping groove 100 along the first elastic wall 30 or the second elastic wall 40 and is sleeved on the circumferential outer side of the host computer 10, that is, the ring-shaped elastic part 21 can slide into the clamping groove 100 along the first elastic wall 30 or the second elastic wall 40. The abutting part 22 is arranged on the ring-shaped elastic part 21 and abuts on the side, away from the host computer 10, of the first end 31 and the second end 41 respectively. The wearable alarm of the above scheme can form the clamping groove 100 on the circumferential outer side of the host computer 10 through the arrangement of the first elastic wall 30 and the second elastic wall 40, and the first end 31 and the second end 41 close to each other are arranged in a spaced manner with the host computer 10, so that the first elastic wall 30 and the second elastic wall 40 have a large elastic deformation space when subjected to an external force. In the process of sliding into the clamping groove 100 along the first elastic wall 30 or the second elastic wall 40, the ring-shaped elastic part 21 can be smoothly clamped in the clamping groove 100 by utilizing the elastic deformation capacity of the ring-shaped elastic part 21 and the first elastic wall 30 / second elastic wall 40, thereby facilitating the assembly of the host computer 10 and the wearable part 20. The abutting part 22 abuts on the side, away from the host computer 10, of the first end 31 and the second end 41, which can position the first end 31 and the second end 41 on one hand, so that the shape of the clamping groove 100 is stable, and on the other hand, can drive the first end 31 and the second end 41 to be close to the host computer 10, thereby clamping the ring-shaped elastic part 21, the ring-shaped elastic part 21 is elastically deformed, the connection area with the first end 31 and the second end 41 is increased, and the connection stability between the host computer 10 and the wearable part 20 is ensured.

[0052] The host computer 10 has an alarm module. The alarm module can send one or more alarm signals of sound, light, electricity and wireless signals. The host computer 10 can have a strong magnetic field sensor, which can detect a strong magnetic field and send an alarm signal through the alarm module. The host computer 10 can have a smoke sensor, which can detect odorless toxic gas and send an alarm signal through the alarm module. The host computer 10 can have a signal receiving module, which can detect a specific signal and send an alarm signal through the alarm module.

[0053] AsFigure 1 、 Figure 2 、 Figures 4 to 7 and Figure 9 As shown in

[0054] As shown in Figure 13 , the wearable part 20 can be a pendant, which has a hanging hole 700, and can be hung on the neck through a braided rope, a rubber rope, etc. The material of the pendant is silica gel.

[0055] In the exemplary embodiments, please refer to Figures 2 to 4 , the host 10 has a first surface 11 and a second surface 12 arranged opposite to each other. The first elastic wall 30 has a first arc surface 32 connecting the first surface 11 and the first end 31, and the first arc surface 32 protrudes to the side away from the host 10, so that the annular elastic part 21 can be more smoothly inserted into the clamping groove 100 along the first elastic wall 30. The second elastic wall 40 has a second arc surface 42 connecting the second surface 12 and the second end 41, and the second arc surface 42 protrudes to the side away from the host 10, so that the annular elastic part 21 can be more smoothly inserted into the clamping groove 100 along the second elastic wall 40.

[0056] In the exemplary embodiments, please refer to Figure 3 、 Figure 6 and Figure 8 , the annular elastic part 21 is provided with a plurality of guide protrusions 23, which are uniformly distributed around the circumference of the annular elastic part 21. In the embodiments of the utility model, the number of guide protrusions 23 is two, and they are arranged opposite to each other along the radial direction of the annular elastic part 21.

[0057] The guide protrusions 23 and the abutting part 22 are arranged apart along the radial direction of the annular elastic part 21, and the first end 31 or the second end 41 is inserted between the guide protrusions 23 and the abutting part 22, so that the first end 31 or the second end 41 can be clamped, and the connection stability of the host 10 and the wearable part 20 is further improved. When the annular elastic part 21 is inserted into the clamping groove 100 along the first elastic wall 30, the second end 41 is inserted between the guide protrusions 23 and the abutting part 22. When the annular elastic part 21 is inserted into the clamping groove 100 along the second elastic wall 40, the first end 31 is inserted between the guide protrusions 23 and the abutting part 22.

[0058] The guiding protrusion 23 has a guiding surface 231 extending to the inner edge of the annular elastic part 21 on the side away from the abutting part 22. Thus, the guiding surface 231 can guide the first elastic wall 30 or the second elastic wall 40, and further facilitate the sliding of the annular elastic part 21 into the clamping groove 100.

[0059] In the exemplary embodiments, please refer to Figure 6 , Figure 8 and Figures 10 to 13 , the first elastic wall 30 is annular and annularly arranged on the main machine 10. The second elastic wall 40 is annular and annularly arranged on the main machine 10. Thus, the connection area between the first elastic wall 30 and the second elastic wall 40 and the wearable part 20 can be increased, and the connection stability between the main machine 10 and the wearable part 20 can be improved.

[0060] In the exemplary embodiments, please refer to Figure 4 , Figure 8 , Figure 9 and Figure 13 , the abutting part 22 is annular, which can improve the wrapping of the first end part 31 and the second end part 41 and improve the abutting stability of the first end part 31 and the second end part 41. In the embodiments of the utility model, the abutting part 22 includes a first annular protrusion and a second annular protrusion arranged on the annular elastic part 21, the first annular protrusion abuts on the side of the first end part 31 away from the main machine 10, and the second annular protrusion abuts on the side of the second end part 41 away from the main machine 10.

[0061] In the exemplary embodiments, please refer to Figures 2 to 4 and Figures 7 to 11 , the main machine 10 includes an upper shell 13, a lower shell 14, a press key 15, a light guide 16, a main board 17 and a battery 18. The press key 15 and the light guide 16 are integrated, which can reduce the number of parts and facilitate assembly. The upper shell 13 and the lower shell 14 can form a watch case structure after assembly.

[0062] The upper shell 13 and the lower shell 14 form an installation space, and the upper shell 13 is provided with a first through hole 200 and a second through hole 300 in communication with the installation space. In the embodiments of the utility model, the first surface 11 is located on the upper shell 13. The second surface 12 is located on the lower shell 14.

[0063] The battery 18 is electrically connected with the mainboard 17 and is installed in the installation space. The battery 18 can supply power to the mainboard 17. The mainboard 17 has a key 171 and a light source 172. In the embodiment of the utility model, the alarm module is the light source 172, specifically, an LED lamp bead. The host 10 can have a strong magnetic field sensor, which can detect a strong magnetic field. At this time, the LED lamp bead can send an alarm signal in the form of lighting, flickering or changing color. The host 10 can have a smoke sensor, which can detect odorless toxic gas. At this time, the LED lamp bead can send an alarm signal in the form of lighting, flickering or changing color. The host 10 can have a signal receiving module, which can detect a specific signal. At this time, the LED lamp bead can send an alarm signal in the form of lighting, flickering or changing color. The LED lamp bead can be turned off by pressing the key 171.

[0064] The pressing key 15 is embedded in the first through hole 200 and is opposite to the key 171. The light guide 16 is embedded in the second through hole 300 and is opposite to the light source 172. The pressing key 15 and the light guide 16 are both made of silica gel and have a color different from that of the upper shell 13, so that the user can distinguish them. The setting of the pressing key 15 can increase the contact area with the finger and improve the pressing comfort. The setting of the light guide 16 can guide the light emitted by the light source 172 in a certain direction, which is convenient for the user to observe.

[0065] In the exemplary embodiments, please combine Figure 3 , Figure 4 , Figure 11 and Figure 12 , the circumferential outer side of the pressing key 15 is provided with an annular groove 400. The upper shell 13 has an annular protrusion 131 located in the first through hole 200. The annular protrusion 131 is embedded in the annular groove 400. In this way, the waterproof and dustproof effect between the upper shell 13 and the pressing key 15 can be improved. In addition, the setting of the annular groove 400 and the annular protrusion 131 can also improve the connection area between the upper shell 13 and the pressing key 15, improve the connection stability, and prevent the key 171 from coming out of the first through hole 200. In order to improve the deformation ability of the pressing key 15, the side of the pressing key 15 facing the key 171 has a recess 800 to thin the pressing key 15 and improve the softness of the pressing key 15, thereby improving the pressing comfort.

[0066] The second through hole 300 is a stepped hole, and the large end of the stepped hole communicates with the installation space. The light guide 16 is in the shape of a stepped shaft and matches the stepped hole. In this way, through the cooperation of the stepped shaft and the stepped hole, the waterproof and dustproof effect between the upper shell 13 and the light guide 16 can be improved, and the light guide 16 can also be prevented from coming out of the second through hole 300.

[0067] In the exemplary embodiments, please combine Figures 8 to 12 The upper shell 13 is provided with a first threaded column 132 and a first clamping portion 133 in the mounting space, and the main board 17 is provided with a positioning hole 500 positioned with the first threaded column 132, so that the main board 17 and the upper shell 13 can be positioned through cooperation of the first threaded column 132 and the positioning hole 500. In the embodiments of the utility model, the number of the first threaded column 132 is two, and the number of the corresponding positioning hole 500 is also two. The lower shell 14 is provided with a second threaded column 141 and a second clamping portion 142 in the mounting space. The threaded groove 600 of the second threaded column 141 penetrates the lower shell 14, and the second threaded column 141 is connected with the first threaded column 132 through a threaded part, which can be a screw, and the first threaded column 132 and the second threaded column 141 can be connected from the lower shell 14. The second threaded column 141 is supported on the side of the main board 17 away from the upper shell 13. The upper shell 13 and the lower shell 14 are clamped through the first clamping portion 133 and the second clamping portion 142, so that the stability of the connection between the upper shell 13 and the lower shell 14 is ensured, the number of the first threaded column 132 and the second threaded column 141 can be reduced, and the space utilization of the wearable alarm is improved.

[0068] In the exemplary embodiments, please combine Figure 8 and Figures 10 to 12 The upper shell 13 further includes at least one positioning portion 134, at least one supporting portion 135 and at least one third clamping portion 136, and the main board 17 is provided with a positioning groove 900 matched with the positioning portion 134, so that the positional stability between the main board 17 and the upper shell 13 can be improved while the number of the first threaded column 132 is reduced.

[0069] The supporting portion 135 is supported on the side of the main board 17 away from the lower shell 14, so that the main board 17 can be clamped through cooperation of the supporting portion 135 and the second threaded column 141, the positional stability of the main board 17 is ensured, and the cooperation precision between the key 171 and the pressing key 15 and between the light source 172 and the light guide 16 is further ensured.

[0070] The third clamping portion 136 is clamped on the side of the main board 17 away from the upper shell 13, and the main board 17 is abutted against the supporting portion 135. Thus, the positional stability between the main board 17 and the upper shell 13 can be further improved while the number of the second threaded column 141 is reduced, and the main board 17 and the upper shell 13 can be pre-assembled, which facilitates subsequent installation of the lower shell 14.

[0071] In the exemplary embodiments, please combineFigure 8 and Figure 10 The main plate 17 is provided with a positive spring piece 173 and a negative spring piece 174, the battery 18 is clamped between the positive spring piece 173 and the negative spring piece 174, and the battery 18 provides power to the main plate 17. The lower shell 14 is provided with a first supporting arm 143 and a second supporting arm 144, and the first supporting arm 143 and the second supporting arm 144 are arranged at intervals.

[0072] The first supporting arm 143 abuts the side of the positive spring piece 173 away from the battery 18, and the second supporting arm 144 abuts the side of the negative spring piece 174 away from the battery 18, so as to ensure the positional stability of the positive spring piece 173 and the negative spring piece 174 and the connection stability with the battery 18.

[0073] The first supporting arm 143 has a first inclined surface facing the second supporting arm 144, and the second supporting arm 144 has a second inclined surface facing the first supporting arm 143. In this way, during the installation of the lower shell 14 on the upper shell 13, the first inclined surface and the second inclined surface can be guided and matched with the positive spring piece 173 and the negative spring piece 174 respectively, so as to facilitate the quick positioning of the battery 18 between the first supporting arm 143 and the second supporting arm 144, and then facilitate the installation of the upper shell 13 and the lower shell 14.

[0074] In the description of the utility model, it should be pointed out that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "edge", "opposite", "four corners", "perimeter", "mouth" structure" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the structure has a specific orientation, is constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the utility model.

[0075] In the description of the utility model embodiment, unless otherwise explicitly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", "assembly" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; The terms "installation", "connection", "fixed connection" can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0076] Although the disclosed embodiments of the present application are as above, the content described is only the adopted embodiments for facilitating the understanding of the present application, and is not used to limit the present application. Any person skilled in the art of the present application, without departing from the spirit and scope of the present application disclosed, can make any modification and change in the implementation form and details, but the patent protection scope of the present application shall be subject to the definition of the appended claims.

Claims

1. A wearable alarm device, characterized in that, Includes main unit and wearable devices; The host has a first elastic wall and a second elastic wall on its circumferential outer side. A snap-fit ​​groove is provided between the first elastic wall and the second elastic wall. The first elastic wall has a first end near the second elastic wall and is spaced apart from the host. The second elastic wall has a second end near the first elastic wall and is spaced apart from the host. The wearable component has an annular elastic portion and an abutting portion; The annular elastic part is configured to slide into the snap-fit ​​groove along the first elastic wall or the second elastic wall and be sleeved on the circumferential outer side of the host. The abutting portion is disposed on the annular elastic portion and abuts against the side of the first end and the second end opposite to the host, respectively.

2. The wearable alarm device according to claim 1, characterized in that, The host has a first surface and a second surface arranged opposite to each other; The first elastic wall has a first arcuate surface connecting the first surface and the first end, and the first arcuate surface protrudes to the side away from the host. The second elastic wall has a second arcuate surface connecting the second surface and the second end, the second arcuate surface protruding on the side away from the host.

3. The wearable alarm device according to claim 2, characterized in that, The annular elastic part is provided with a plurality of guide protrusions, which are evenly distributed around the annular elastic part in the circumferential direction. The guide protrusion and the abutting portion are arranged radially apart along the annular elastic portion, and the first end or the second end is inserted between the guide protrusion and the abutting portion; The guide protrusion has a guide surface extending toward the inner edge of the annular elastic portion on the side opposite to the abutment portion.

4. The wearable alarm device according to claim 3, characterized in that, The first elastic wall is annular and is arranged around the main unit; The second elastic wall is annular and is arranged around the host.

5. The wearable alarm device according to claim 4, characterized in that, The abutment portion is ring-shaped.

6. The wearable alarm device according to any one of claims 1 to 5, characterized in that, The main unit includes an upper shell, a lower shell, a push button, a light guide, a motherboard, and a battery. The push button and the light guide are an integral structure. The upper shell and the lower shell together form an installation space. The upper shell is provided with a first through hole and a second through hole that communicate with the installation space. The battery is electrically connected to the motherboard and installed in the installation space. The motherboard has a button and a light source. The button is embedded in the first through hole and faces the button. The light guide is embedded in the second through hole and faces the light source.

7. The wearable alarm device according to claim 6, characterized in that, The outer circumferential side of the push button is provided with an annular groove, and the upper shell has an annular protrusion located in the first through hole, the annular protrusion being embedded in the annular groove; The second through hole is a stepped hole, and the larger end of the stepped hole is connected to the mounting space. The light guide is in the shape of a stepped shaft and matches the stepped hole.

8. The wearable alarm device according to claim 6, characterized in that, The upper shell is provided with a first threaded post and a first snap-fit ​​part located in the installation space; the main board is provided with a positioning hole positioned with the first threaded post; and the lower shell is provided with a second threaded post and a second snap-fit ​​part located in the installation space. The threaded groove of the second threaded post penetrates the lower shell, and the second threaded post is connected to the first threaded post through a threaded component and supported on the side of the main board away from the upper shell. The upper shell and the lower shell are engaged by the first snap-fit ​​part and the second snap-fit ​​part.

9. The wearable alarm device according to claim 8, characterized in that, The upper shell further includes at least one positioning part, at least one support part, and at least one third snap-fit ​​part. The motherboard is provided with a positioning groove that matches the positioning part. The support part supports the motherboard on the side away from the lower shell. The third snap-fit ​​part snaps onto the side of the motherboard away from the upper shell, and abuts the motherboard against the support part.

10. The wearable alarm device according to claim 6, characterized in that, The motherboard is provided with a positive electrode spring and a negative electrode spring, and the battery is snapped between the positive electrode spring and the negative electrode spring; The lower shell is provided with a first support arm and a second support arm, which are spaced apart. The first support arm abuts against the positive electrode spring on the side away from the battery, and the second support arm abuts against the negative electrode spring on the side away from the battery; The first support arm has a first inclined surface facing the second support arm, and the second support arm has a second inclined surface facing the first support arm.

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