terminal device

Abstract

The utility model discloses a terminal equipment, it includes battery, casing, locking switch mechanism and sealed fender, the casing has opposite first surface and second surface and the first through -hole of the first surface and second surface, and the first surface is recessed with the accommodation groove, and the battery detachably installs in the accommodation groove, locking switch mechanism sets up at the first surface, has locking state and unlocking state, under the locking state, locking switch mechanism and battery locking cooperation, makes battery locking in the accommodation groove, under the unlocking state, locking switch mechanism and the locking cooperation of battery is relieved, sealed fender sets up at the second surface, and sealed fender includes the sealed portion and the first limiting portion of meeting, and the sealed portion and first through -hole sealed cooperation, prevent the steam from the gap of the locking switch mechanism and through -hole of first surface and infiltrate second surface, play sealed waterproof function. The first limiting portion passes through the first through -hole and locking switch mechanism and abuts, for the displacement of locking switch mechanism is limited.

Description

Technical Field

[0001] This utility model relates to the field of terminal equipment technology, and in particular to a terminal equipment. Background Technology

[0002] Currently, the main methods for fixing batteries in smart terminal devices are non-replaceable built-in batteries and replaceable built-in batteries. Replaceable built-in batteries are generally fixed by clips or screws. Although the battery is removable, screw fixing requires tools and is very troublesome to disassemble. Although clip fixing is convenient for battery installation and removal, the existing clip structure has insufficient waterproof design. Water vapor can easily seep into the gaps in the clip structure, resulting in poor waterproof performance. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an improved terminal device in response to at least one of the defects mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to provide a terminal device, which includes a battery, a housing, a locking switch mechanism and a sealing baffle;

[0005] The housing has a first surface and a second surface opposite to each other, and a first through hole through the first surface and the second surface. The first surface is recessed with a receiving groove, and the battery is detachably installed in the receiving groove.

[0006] The locking switch mechanism is disposed on the first surface and has a locked state and an unlocked state; in the locked state, the locking switch mechanism engages with the battery to lock the battery in the receiving slot; in the unlocked state, the locking switch mechanism releases the locking engagement with the battery.

[0007] The sealing stop is disposed on the second surface. The sealing stop includes a sealing part and a first limiting part that are in contact with each other. The sealing part is sealed and cooperates with the first through hole. The first limiting part passes through the first through hole and abuts against the locking switch mechanism to limit the displacement of the locking switch mechanism.

[0008] Preferably, the locking switch mechanism is capable of sliding along a first direction away from the battery to switch from the locked state to the unlocked state, and the first limiting portion is used to limit the displacement of the locking switch mechanism along a second direction close to the battery. The first direction and the second direction are two opposite directions along the same straight line.

[0009] Preferably, the locking switch mechanism includes a toggle member, which includes a toggle part and a second limiting part connected to each other;

[0010] In the locked state, the toggle part is locked to the battery; in the unlocked state, the toggle part is released from the locking engagement with the battery.

[0011] The first limiting part passes through the first through hole and abuts against the surface of the second limiting part facing the battery side, thereby limiting the displacement of the toggle member along the second direction.

[0012] Preferably, the first limiting part includes at least two limiting posts symmetrically arranged on opposite sides of the sealing part, and the second limiting part includes at least two bosses symmetrically arranged on opposite sides of the actuating part, wherein the limiting posts and the bosses abut against each other in a one-to-one correspondence.

[0013] Preferably, the surface of the actuating part facing the battery has a limiting protrusion, and the surface of the battery facing the actuating part has a limiting groove. In the locked state, the limiting protrusion extends into the limiting groove; in the unlocked state, the limiting protrusion retracts from the limiting groove.

[0014] The limiting protrusion has a guide slope for guiding the end of the battery near the toggle part to slide into the receiving groove.

[0015] Preferably, the locking switch mechanism further includes an elastic element, and the housing is provided with a third limiting part. The elastic element is fixed to the housing through the third limiting part. The elastic element and the actuating part abut against each other to provide elastic force so that the actuating part rebounds and resets along the second direction.

[0016] Preferably, the elastic element is a spring, the third limiting part is a first protrusion protruding in the second direction, the actuating part has a second protrusion protruding in the first direction, and the first protrusion and the second protrusion extend into the hollow cavity of the spring from opposite ends along the length direction of the spring.

[0017] Preferably, a groove is formed between the sealing part and the wall surface of the first through hole, and the groove is filled with waterproof material.

[0018] Preferably, the first through hole includes a first region and a second region that are connected to each other, the width of the first region is greater than the width of the second region, and a stepped surface is formed at the junction of the first region and the second region;

[0019] The sealing part includes a first plate and a second plate. The second plate is connected to the surface of the first plate facing away from the first through hole. The perimeter of the edge of the first plate is greater than the perimeter of the edge of the second plate. The surface of the first plate facing the inside of the first through hole abuts against the stepped surface. The gap between the second plate and the hole wall surface of the first region forms the groove.

[0020] Preferably, the terminal device further includes an electrical connector disposed on the second surface, the electrical connector having a resilient pin;

[0021] The bottom surface of the receiving groove has a second through hole, which penetrates the bottom surface of the receiving groove and the second surface. The elastic pin passes through the second through hole and extends into the receiving groove to contact the battery.

[0022] This invention offers at least the following advantages: The battery is easily installed and removed by locking and unlocking it via a locking switch mechanism; the sealing baffle on the second surface includes a sealing portion and a first limiting portion; on one hand, the sealing portion seals against the first through hole, isolating the second surface from the interior of the through hole, preventing moisture from seeping into the second surface through gaps in the locking switch mechanism and the through hole on the first surface and contacting electrical components, thus providing a waterproof seal. On the other hand, the first limiting portion passes through the first through hole and abuts against the locking switch mechanism, limiting the displacement of the locking switch mechanism. Therefore, only the sealing baffle is needed to achieve both waterproof sealing and preventing the locking switch mechanism from detaching from the housing. Attached Figure Description

[0023] To more clearly illustrate the technical solution of this utility model, the following will further describe this utility model in conjunction with the accompanying drawings and embodiments. In the drawings:

[0024] Figure 1 This is a front view structural diagram of a terminal device in some embodiments of this utility model;

[0025] Figure 2 yes Figure 1 A schematic diagram of the cross-sectional structure of the terminal device shown along the AA direction;

[0026] Figure 3 yes Figure 2 Enlarged structural diagram of section C;

[0027] Figure 4 yes Figure 1 A schematic diagram of the cross-sectional structure of the terminal device along the BB direction;

[0028] Figure 5 yes Figure 4Enlarged structural diagram of section D in the middle;

[0029] Figure 6 This is a schematic diagram of the assembly structure of the actuating member and the sealing stop in some embodiments of this utility model;

[0030] Figure 7 yes Figure 6 A structural diagram from another perspective;

[0031] Figure 8 yes Figure 1 A schematic diagram of the exploded structure of the terminal device shown.

[0032] Figure 9 yes Figure 8 A partial structural diagram of the casing of the terminal device shown;

[0033] Figure 10 yes Figure 9 A schematic diagram of the terminal device after the housing and elastic element have been separated;

[0034] Figure 11 This is a rear view structural diagram of the terminal device in some embodiments of this utility model;

[0035] Figure 12 yes Figure 11 The diagram shows the 3D structure of the terminal device after the circuit board has been hidden.

[0036] Figure 13 yes Figure 12 Enlarged structural diagram of section E in the middle;

[0037] Figure 14 yes Figure 13 A schematic diagram of the terminal device after the housing and sealing components have been separated.

[0038] Figure 15 yes Figure 14 A partial cross-sectional structural diagram of the shell in the image;

[0039] Figure 16 This is a schematic diagram of the circuit board and electrical connector in some embodiments of this utility model;

[0040] Figure 17 This is a structural schematic diagram of the battery being installed into the receiving slot in some embodiments of this utility model;

[0041] Figure 18 This is a schematic diagram of the structure when the battery is installed in the receiving slot and the locking switch mechanism is in the locked state in some embodiments of this utility model;

[0042] Figure 19This is a schematic diagram of the locking switch mechanism in the unlocked state in some embodiments of this utility model. Detailed Implementation

[0043] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. The terms "first," "second," and "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] This utility model discloses a terminal device, which can be various terminal products in related technologies, such as mobile phones, PDAs (Personal Digital Assistants), PADs (Tablet Personal Computers), POS (point of sale), etc. Of course, the terminal device of this utility model is not limited to one or more of the above-mentioned terminal devices.

[0045] Please see Figures 1 to 6 The terminal device of one embodiment of this utility model includes a battery 1, a housing 2, a locking switch mechanism 3, and a sealing stop 4. The housing 2 has a first surface 21 and a second surface 22 facing each other, and a first through hole 201 penetrating the first surface 21 and the second surface 22. The housing 2 is generally flat and plate-shaped, and the first surface 21 and the second surface 22 are located on opposite sides of the housing 2 along its thickness direction, which can be understood as the front and back of the housing 2.

[0046] The battery 1 provides built-in power to the terminal device. A recessed groove 202 for mounting the battery 1 is provided on the first surface 21. The battery 1 is detachably mounted within the recess 202. A locking switch mechanism 3 is used to lock the position of the battery 1. The locking switch mechanism 3 is located on the first surface 21, adjacent to the recess 202, and has a locked state and an unlocked state. In the locked state, the locking switch mechanism 3 engages with the battery 1, locking the battery 1 within the recess 202. In the unlocked state, the locking engagement between the locking switch mechanism 3 and the battery 1 is released, allowing the user to easily remove the battery 1. Therefore, the user only needs to operate the locking switch mechanism 3 to lock and unlock the battery 1, making battery installation and removal convenient.

[0047] A sealing baffle 4 is disposed on the second surface 22. The sealing baffle 4 includes a sealing part 41 and a first limiting part 42 that are in contact with each other. The sealing part 41 and the first limiting part 42 can be integrally formed or separately formed and then connected as a whole. The sealing part 41 is sealed and engaged with the first through hole 201 to isolate the second surface 22 from the interior of the through hole, preventing moisture from seeping into the second surface 22 from the first surface 21 through the through hole, thus achieving the sealing and waterproofing function of the sealing baffle 4. The first limiting part 42 passes through the first through hole 201 and abuts against the locking switch mechanism 3 to limit the displacement of the locking switch mechanism 3. Under the constraint of the sealing baffle 4, the displacement of the locking switch mechanism 3 relative to the housing 2 is constrained, thereby preventing the locking switch mechanism 3 from detaching from the housing 2. Specifically, the constraint or restriction of the displacement of the locking switch mechanism 3 relative to the housing 2 does not mean that the locking switch mechanism 3 is completely fixed to the housing 2, but rather that the displacement of the locking switch mechanism 3 is only allowed when switching between the locked and unlocked states, and other displacements are restricted, thereby preventing the locking switch mechanism 3 from separating from the housing 2.

[0048] In summary, this utility model has at least the following beneficial effects: The battery 1 is easily installed and removed by locking and unlocking the locking switch mechanism 3; the sealing baffle 4 on the second surface 22 includes a sealing part 41 and a first limiting part 42; on one hand, the sealing part 41 seals against the first through hole 201, isolating the second surface 22 from the interior of the through hole, preventing moisture from seeping into the second surface 22 through the structural gaps between the locking switch mechanism 3 and the through hole on the first surface 21 and contacting the electrical components, thus providing a sealing and waterproof function. On the other hand, the first limiting part 42 passes through the first through hole 201 and abuts against the locking switch mechanism 3, limiting the displacement of the locking switch mechanism 3. Therefore, only the sealing baffle 4 is needed to achieve both sealing and waterproofing and preventing the locking switch mechanism 3 from detaching from the housing 2.

[0049] Specifically, such as Figures 2 to 5As shown, in some embodiments, the locking switch mechanism 3 can slide along a first direction H1 away from the battery 1 to switch from a locked state to an unlocked state. In the unlocked state, the user can remove the battery 1. The first limiting part 42 is used to limit the displacement of the locking switch mechanism 3 along a second direction H2 close to the battery 1, preventing the locking switch mechanism 3 from disengaging from the housing 2 along the second direction H2. The first direction H1 and the second direction H2 are two opposite directions along the same straight line. When the battery 1 is removed from the receiving groove 202, the first direction H1 is also the direction of the locking switch mechanism 3 away from the receiving groove 202, and the second direction H2 is the direction of the locking switch mechanism 3 close to the receiving groove 202.

[0050] Furthermore, such as Figures 5 to 7 As shown, in some embodiments, the locking switch mechanism 3 includes a toggle member 31, which can slide along a first direction H1 away from the battery 1 to switch from a locked state to an unlocked state. The toggle member 31 includes a toggle portion 311 and a second limiting portion 312 connected together. The toggle portion 311 of the toggle member 31 is a touch part for user toggle operation. The toggle portion 311 and the second limiting portion 312 can be integrally formed or separately formed and then connected as a whole. In the locked state, the toggle portion 311 is locked with the battery 1, and the battery 1 is locked in the receiving groove 202. The user can switch the toggle member 31 to the unlocked state by sliding it along the first direction H1. In the unlocked state, the locking engagement between the toggle portion 311 and the battery 1 is released, thereby allowing the battery 1 to be removed. The first limiting part 42 passes through the first through hole 201 and abuts against the surface of the second limiting part 312 facing the battery 1, thereby limiting the displacement of the toggle member 31 in the second direction and preventing the toggle member 31 from dislodging from the housing 2 in the second direction H2.

[0051] like Figure 6 and Figure 7 As shown, in some embodiments, the first limiting portion 42 includes at least two limiting posts 421 symmetrically arranged on opposite sides of the sealing portion 41. The second limiting portion 312 includes at least two bosses symmetrically arranged on opposite sides of the actuating portion 311, with the limiting posts 421 and the bosses correspondingly abutting against each other. That is, the number of limiting posts 421 can be two or more, and the number of bosses can also be two or more. The two or more limiting posts 421 and bosses are symmetrically arranged, which helps to maintain a balanced holding force. The surface of the limiting post 421 facing away from the battery 1 and the surface of the boss facing the battery 1 abut against each other. Specifically, as shown... Figure 6 As shown, the limiting post 421 is provided on opposite sides of the sealing part 41 along the third direction H3; similarly, the boss is provided on opposite sides of the actuating part 311 along the third direction H3. The third direction H3 is perpendicular to the first direction H1 and also perpendicular to the second direction H2.

[0052] like Figure 3 , Figure 6 and Figure 7 As shown, in some embodiments, the surface of the actuating part 311 facing the battery 1 has a limiting protrusion 3110, and the surface of the battery 1 facing the actuating part 311 has a limiting groove 10. In the locked state, the limiting protrusion 3110 extends into the limiting groove 10, thereby locking the battery 1; in the unlocked state, the limiting protrusion 3110 retracts from the limiting groove 10, thereby unlocking the battery 1. To facilitate the insertion of the battery 1, the limiting protrusion 3110 is formed with a guide slope 3111 to guide the end of the battery 1 near the actuating part 311 into the receiving groove 202. Specifically, as shown... Figure 6 As shown, the guide ramp 3111 is positioned upwards. When the battery 1 is installed into the receiving groove 202, the end of the battery 1 furthest from the actuating part 311 can be inserted into the receiving groove 202 first. Then, the end of the battery 1 closest to the actuating part 311 is pressed down. Guided by the guide ramp 3111, the end of the battery 1 closest to the actuating part 311 smoothly slides into the receiving groove 202, completing the installation of the battery 1. This makes the installation process of the battery 1 smoother.

[0053] like Figure 3 , Figures 7 to 10 As shown, in some embodiments, the locking switch mechanism 3 further includes an elastic element 32. A third limiting part 23 is provided on the housing 2, and the elastic element 32 is fixed to the housing 2 via the third limiting part 23. The elastic element 32 abuts against the actuating part 311, providing elastic force to move the actuating part 31 along the second direction H2, thereby achieving the rebound reset of the actuating part 31. During the process of inserting the battery 1 into the receiving groove 202, the end of the battery 1 near the actuating part 311 is pressed down. Simultaneously, as the end of the battery 1 near the actuating part 311 moves downward, it also pushes the actuating part 31 along the first direction H1, and under the constraint of the elastic element 32, the actuating part 31 and the battery 1 remain in contact until the limiting protrusion 3110 reaches the limiting groove 10. The limiting protrusion 3110 moves to the limiting groove 10. Under the elastic force released by the elastic member 32, the actuating member 31 automatically rebounds along the second direction H2, and the limiting protrusion 3110 extends into the limiting groove 10, completing the locking of the battery 1. After the battery 1 is removed from the receiving groove 202, the actuating member 31 can also automatically rebound to the unforced state along the second direction H2 with the help of the elastic member 32. Therefore, the elastic member 32 can help the actuating member 31 automatically reset, thereby facilitating the installation and removal of the battery 1.

[0054] Furthermore, such as Figure 3 , Figures 7 to 10As shown, in some embodiments, the elastic element 32 is a spring. The spring has a hollow cavity. The third limiting portion 23 is a first protrusion protruding in the second direction H2, that is, the third limiting portion 23 protrudes relative to the housing 2 in the second direction H2. The actuating portion 311 has a second protrusion 3112 protruding in the first direction H1, that is, the second protrusion 3112 protrudes relative to the actuating portion 311 in the first direction H1. The first protrusion and the second protrusion 3112 extend into the hollow cavity of the spring from opposite ends along the length direction of the spring, respectively. Thus, the end of the spring along the first direction H1 is fixed by the first protrusion, and the end of the spring along the second direction H2 abuts against the second protrusion 3112.

[0055] like Figure 2 , Figure 5 , Figures 11 to 14 As shown, in some embodiments, a groove 50 is formed between the sealing part 41 and the wall surface of the first through hole 201, and the groove 50 is filled with a waterproof material (not shown). The waterproof material can be a waterproof material in the prior art, such as waterproof adhesive. This waterproof material seals the gap between the sealing part 41 and the wall surface of the first through hole 201, preventing moisture from seeping into the second surface 22 through the through hole, thus giving the terminal device better waterproof performance.

[0056] Furthermore, such as Figures 13 to 15 As shown, in some embodiments, the first through hole 201 includes a first region 2011 and a second region 2012 that are connected, and the width of the first region 2011 is greater than the width of the second region 2012. Furthermore, the first region 2011 is closer to the second surface 22 than the second region 2012. A stepped surface 2013 is formed at the junction of the first region 2011 and the second region 2012. The sealing part 41 includes a first plate-like body 411 and a second plate-like body 412, and the second plate-like body 412 is connected to the surface of the first plate-like body 411 facing away from the first through hole 201 (i.e.,...). Figure 13 and Figure 14 The upper surface of the first plate-shaped body 411). In this embodiment, the first plate-shaped body 411 and the second plate-shaped body 412 are integrally formed, but in other embodiments, the first plate-shaped body 411 and the second plate-shaped body 412 may also be separately formed and then connected as a whole. Furthermore, the perimeter of the edge of the first plate-shaped body 411 is greater than the perimeter of the edge of the second plate-shaped body 412. That is, the first plate-shaped body 411 protrudes around the outer perimeter of the edge of the second plate-shaped body 412. The surface of the first plate-shaped body 411 facing the interior of the first through hole 201 abuts against the stepped surface 2013, and the gap between the second plate-shaped body 412 and the hole wall surface of the first region 2011 forms a groove 50.

[0057] like Figure 2 , Figures 8 to 11 , Figure 13 and Figure 14 ,as well as Figure 16 As shown, in some embodiments, the terminal device further includes an electrical connector 61 and a circuit board 62 disposed on the second surface 22. The electrical connector 61 has a resilient pin 611. A second through hole 24 is formed on the bottom surface of the receiving groove 202, and the second through hole 24 penetrates the bottom surface of the receiving groove 202 and the second surface 22. The resilient pin 611 passes through the second through hole 24 and extends into the receiving groove 202 for contacting the battery 1. The circuit board 62 is disposed on the side of the second surface 22 facing away from the first surface 21, and the electrical connector 61 is connected to the circuit board 62. Thus, after the battery 1 is inserted into the receiving groove 202, the battery 1 forms an electrical connection with the circuit board 62 by pressing against the contact electrical connector 61. The user can switch the toggle member 31 to the unlocked state by sliding it along the first direction H1. In the unlocked state, the locking engagement between the toggle member 311 and the battery 1 is released, and the battery 1 is pushed out of the receiving groove 202 by the upward elastic force of the resilient pin 611. Thus, the electrical connector 61 serves both as a connection medium between the battery 1 and the circuit board 62, and as a means for the battery 1 to pop out of the receiving slot 202, making it easy for the user to remove the battery 1. Furthermore, the sealing part 41 seals against the first through hole 201, isolating the second surface 22 from the interior of the through hole, preventing moisture from seeping from the first surface 21 through the through hole into the second surface 22 and contacting the circuit board 62, thus providing good waterproof performance.

[0058] Figures 17 to 19 The illustration shows the battery 1 disassembly and assembly process in one embodiment. For example... Figure 17 and Figure 18 As shown, when battery 1 is inserted into the receiving slot 202, first insert the end of battery 1 furthest from the actuating part 311 (the right end of battery 1 in the figure) into the receiving slot 202, then press down the end of battery 1 closest to the actuating part 311 (the left end of battery 1 in the figure). Guided by the guide slope 3111, the limiting protrusion 3110 extends into the limiting groove 10, and battery 1 is locked. Furthermore, battery 1 presses down to contact the elastic pin 611, achieving an electrical connection between battery 1 and circuit board 62. Figure 18 and Figure 19 As shown, when the actuating member 31 is slid along the first direction H1, the second protrusion 3112 of the actuating part 311 presses the elastic member 32 in the first direction H1, and the elastic pin 611 releases the elastic force to push the end of the battery 1 near the actuating part 311 (the left end of the battery 1 in the figure) upward. After the battery 1 is removed, the actuating member 31 is released, and the actuating member 31 returns to its original position in the second direction H2 under the action of the elastic force released by the elastic member 32. Thus, the installation and removal process of the battery 1 is very easy and convenient, which is conducive to the rapid installation and removal of the battery 1.

[0059] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A terminal device, characterized by comprising: It includes a battery (1), a housing (2), a locking switch mechanism (3), and a sealing stop (4); The housing (2) has a first surface (21) and a second surface (22) opposite to each other, and a first through hole (201) through the first surface (21) and the second surface (22). The first surface (21) is recessed with a receiving groove (202), and the battery (1) is detachably installed in the receiving groove (202). The locking switch mechanism (3) is disposed on the first surface (21) and has a locked state and an unlocked state; in the locked state, the locking switch mechanism (3) locks the battery (1) in place, so that the battery (1) is locked in the receiving groove (202); in the unlocked state, the locking switch mechanism (3) releases the locking engagement with the battery (1); The sealing stop (4) is disposed on the second surface (22). The sealing stop (4) includes a sealing part (41) and a first limiting part (42) that are in contact. The sealing part (41) is sealed and fitted with the first through hole (201). The first limiting part (42) passes through the first through hole (201) and abuts against the locking switch mechanism (3) to limit the displacement of the locking switch mechanism (3).

2. The terminal device according to claim 1, characterized by The locking switch mechanism (3) can slide along a first direction (H1) away from the battery (1) to switch from the locked state to the unlocked state. The first limiting part (42) is used to limit the displacement of the locking switch mechanism (3) along a second direction (H2) close to the battery (1). The first direction (H1) and the second direction (H2) are two opposite directions along the same straight line.

3. The terminal device according to claim 2, characterized by The locking switch mechanism (3) includes a toggle member (31), which includes a toggle part (311) and a second limiting part (312) connected to each other; In the locked state, the toggle part (311) is locked to the battery (1); in the unlocked state, the locking engagement between the toggle part (311) and the battery (1) is released. The first limiting part (42) passes through the first through hole (201) and abuts against the surface of the second limiting part (312) facing the battery (1) to limit the displacement of the toggle member (31) along the second direction (H2).

4. The terminal device according to claim 3, characterized by The first limiting part (42) includes at least two limiting posts (421) symmetrically arranged on opposite sides of the sealing part (41), and the second limiting part (312) includes at least two bosses symmetrically arranged on opposite sides of the actuating part (311). The limiting posts (421) and the bosses abut against each other in a corresponding manner.

5. The terminal device according to claim 3, characterized by The actuating part (311) has a limiting protrusion (3110) on the surface facing the battery (1), and the battery (1) has a limiting groove (10) on the surface facing the actuating part (311). In the locked state, the limiting protrusion (3110) extends into the limiting groove (10); in the unlocked state, the limiting protrusion (3110) exits the limiting groove (10). The limiting protrusion (3110) has a guide slope (3111) for guiding the end of the battery (1) near the actuating part (311) to slide into the receiving groove (202).

6. The terminal device according to claim 3, characterized by The locking switch mechanism (3) further includes an elastic element (32). The housing (2) is provided with a third limiting part (23). The elastic element (32) is fixed on the housing (2) by the third limiting part (23). The elastic element (32) and the actuating part (311) abut against each other to provide elastic force so that the actuating part (31) rebounds and resets along the second direction (H2).

7. The terminal device according to claim 6, characterized by The elastic element (32) is a spring, the third limiting part (23) is a first protrusion protruding in the second direction (H2), and the actuating part (311) has a second protrusion (3112) protruding in the first direction (H1). The first protrusion and the second protrusion (3112) extend into the hollow cavity of the spring from opposite ends along the length direction of the spring.

8. The terminal device of claim 1, wherein, A groove (50) is formed between the sealing part (41) and the hole wall of the first through hole (201), and the groove (50) is filled with waterproof material.

9. The terminal device according to claim 8, characterized by The first through hole (201) includes a first region (2011) and a second region (2012) that are connected. The width of the first region (2011) is greater than the width of the second region (2012). A stepped surface (2013) is formed at the junction of the first region (2011) and the second region (2012). The sealing part (41) includes a first plate (411) and a second plate (412). The second plate (412) is connected to the surface of the first plate (411) facing away from the first through hole (201). The perimeter of the edge of the first plate (411) is greater than the perimeter of the edge of the second plate (412). The surface of the first plate (411) facing the inside of the first through hole (201) abuts against the stepped surface (2013). The gap between the second plate (412) and the hole wall surface of the first region (2011) forms the groove (50).

10. The terminal device of claim 1, wherein, The terminal device further includes an electrical connector (61) disposed on the second surface (22), the electrical connector (61) having a resilient pin (611); The bottom surface of the receiving groove (202) is formed with a second through hole (24), which penetrates the bottom surface of the receiving groove (202) and the second surface (22). The elastic pin (611) passes through the second through hole (24) and extends into the receiving groove (202) to contact the battery (1).

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