Power converter

Abstract

The present invention relates to the technical field of electrical appliance accessories. Specifically, it relates to a power converter. The power converter includes: a housing, a sliding rod, and a plug mechanism. The sliding rod is disposed inside the housing. The plug mechanism includes a self-locking assembly and a plug. The plug is connected to the self-locking assembly, and the self-locking assembly is slidably engaged with the sliding rod. Among them, the self-locking assembly is configured to have a locked state and an unlocked state. When the self-locking assembly is in the unlocked state, the self-locking assembly can drive the plug to extend and retract relative to the housing. When the self-locking assembly is in the locked state, the plug can be locked at a position where it extends or retracts relative to the housing. The power converter of the present invention can lock the relative position of the plug when the plug extends out of the housing, thereby improving the problem that the plug is likely to accidentally retract into the housing when inserted into the socket.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical accessories, and more particularly, to a power converter. Background Art

[0002] Power converters provided by related technologies, such as magic cube sockets, USB sockets, travel converters, etc., usually design the plug pins to be retractable for a more compact design. In this way, when storing the power converter, the plug pins can be retracted into the housing, which can also improve the problem that the plug pins are easily damaged due to collision or dropping. When in need of use, the plug pins can be extended out of the housing to obtain power.

[0003] However, after the plug pins of the power converters provided by related technologies are extended out of the housing, they cannot be reliably positioned, which easily leads to the problem that the plug pins accidentally retract into the housing when inserted into the jack. Summary of the Invention

[0004] An object of the present invention is to provide a power converter that can lock the relative position of the plug pins when the plug pins are extended out of the housing, thereby improving the problem that the plug pins are easily retracted into the housing accidentally when inserted into the jack.

[0005] Embodiments of the present invention are implemented as follows:

[0006] The present invention provides a power converter, including:

[0007] A housing;

[0008] A sliding rod disposed in the housing;

[0009] A plug pin mechanism including a self-locking assembly and a plug pin. The plug pin is connected to the self-locking assembly, and the self-locking assembly is slidably engaged with the sliding rod. Wherein,

[0010] The self-locking assembly is configured to have a locked state and an unlocked state;

[0011] When the self-locking assembly is in the unlocked state, the self-locking assembly can drive the plug pin to expand and contract relative to the housing. When the self-locking assembly is in the locked state, the plug pin can be locked at a position extended or retracted relative to the housing.

[0012] In an alternative embodiment, the sliding rod is provided with a first step portion and a second step portion, and the first step portion and the second step portion are distributed along the length direction of the sliding rod;

[0013] The self-locking assembly is configured to be able to abut against the first step portion and the second step portion alternatively to be in the locked state. Wherein,

[0014] When the self-locking component abuts against the first step portion, the latch can be locked at a position extending out of the housing; when the self-locking component abuts against the second step portion, the latch can be locked at a position retracted into the housing.

[0015] In an optional embodiment, the sliding rod includes a sliding rod body and a protrusion, the sliding rod body is disposed in the housing, the protrusion is connected to the sliding rod body, and the protrusion has a first step portion and a second step portion;

[0016] When the self-locking assembly is in an unlocked state, the self-locking assembly can be slidably matched with at least one of the protrusion and the sliding rod body to drive the latch to extend and retract relative to the housing.

[0017] In an optional embodiment, the self-locking assembly includes a base and a locking member, the base is slidably connected to the sliding rod, and the latch is connected to the base; the locking member is movably arranged on the base, the locking member can selectively abut or separate from the first step portion and the second step portion, and when the locking member is separated from both the first step portion and the second step portion, the locking member can drive the base and the latch to move synchronously so that the latch can extend or retract into the shell.

[0018] In an optional embodiment, the self-locking assembly further includes an elastic member, which is disposed between the base and the locking member and is configured to allow the locking member to have a movement tendency to selectively abut against the first step portion and the second step portion.

[0019] In an optional embodiment, the base is provided with an inserting hole, an inserting slot and an installation slot, the inserting slot is connected to the installation slot, and the inserting hole passes through the inserting slot, the locking piece can be movably inserted in the inserting slot, the elastic piece is arranged in the installation slot, the sliding rod and the inserting hole can be slidably inserted, the locking piece can be extended into the inserting hole and selectively abut against the first step portion and the second step portion, and the locking piece can also extend into the installation slot to press the elastic piece.

[0020] In an optional embodiment, the locking piece is provided with an avoidance hole, and the sliding rod is slidably plugged into the avoidance hole.

[0021] In an optional embodiment, a third step portion is provided on the slot wall of the plug-in slot, and a protrusion is connected to the locking member, and the protrusion can abut against the third step portion to prevent the locking member from being separated from the plug-in slot.

[0022] In an optional embodiment, the power converter further includes a socket, which is disposed in the housing;

[0023] When the self-locking assembly drives the bolt to extend out of the housing, the bolt and the socket are connected.

[0024] In an optional embodiment, the latch mechanism further includes a conductive sheet connected to the latch;

[0025] When the self-locking component drives the plug pin to extend out of the housing, the conductive sheet is inserted into the socket sleeve so that the plug pin is electrically connected to the socket sleeve.

[0026] The beneficial effects of the power converter according to the embodiment of the present invention include: The power converter provided by the embodiment of the present invention includes a housing, a sliding rod and a plug pin mechanism. The sliding rod is arranged in the housing. The plug pin mechanism includes a self-locking component and a plug pin. The plug pin is connected to the self-locking component, and the self-locking component is in sliding fit with the sliding rod. Wherein, the self-locking component is configured to have a locked state and an unlocked state. When the self-locking component is in the unlocked state, the self-locking component can drive the plug pin to extend and retract relative to the housing. When the self-locking component is in the locked state, the plug pin can be locked at a position where it extends or retracts relative to the housing. Through the arrangement of the self-locking component, when the plug pin extends relative to the housing, the plug pin can be locked at the position where it extends relative to the housing, thereby improving the problem that the plug pin is likely to accidentally retract into the housing when inserted into the jack. Moreover, in addition to locking and unlocking the position of the plug pin relative to the housing, the self-locking component can also drive the plug pin to extend and retract relative to the housing. That is, when the user operates the self-locking component to release the lock on the plug pin, the self-locking component can conveniently drive the plug pin to move, thereby simplifying the operation of the plug pin extending and retracting, which is beneficial to improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0028] Figure 1 Schematic diagram of the exploded structure of the power converter in the embodiment of the present invention Figure 1 ;

[0029] Figure 2 Schematic diagram of the exploded structure of the power converter in the embodiment of the present invention Figure 2 ;

[0030] Figure 3 Schematic diagram showing two conductive sheets respectively inserted into the L-pole socket sleeve body and the N-pole socket sleeve body in the embodiment of the present invention;

[0031] Figure 4 Schematic diagram showing two conductive sheets separated from the L-pole socket sleeve body and the N-pole socket sleeve body respectively in the embodiment of the present invention;

[0032] Figure 5 Cross-sectional view of the power converter when the plug pin retracts into the housing in the embodiment of the present invention;

[0033] Figure 6The cross-sectional view of the power converter when the plug pin extends out of the housing in the embodiment of the present invention;

[0034] Figure 7 The exploded structural schematic diagram of the plug pin mechanism in the embodiment of the present invention;

[0035] Figure 8 The cross-sectional view of the self-locking component in the embodiment of the present invention.

[0036] Icons: 010 - Power converter; 100 - Housing; 110 - Upper cover; 111 - Long slot; 120 - Lower cover; 130 - Sliding rod; 131 - First step portion; 132 - Second step portion; 133 - Sliding rod body; 134 - Protrusion; 200 - Plug pin mechanism; 210 - Self-locking component; 220 - Plug pin; 221 - Conductive sheet; 230 - Base; 231 - Insertion hole; 232 - Insertion slot; 233 - Installation slot; 234 - Third step portion; 240 - Locking member; 241 - Avoidance hole; 242 - Protrusion; 243 - Pressing rod; 244 - Split ring; 245 - Guiding inclined surface; 250 - Elastic member; 260 - L-pole socket; 261 - L-pole copper bar; 262 - L-pole socket body; 270 - N-pole socket; 271 - N-pole copper bar; 272 - N-pole socket body; 280 - PCBA circuit board; 281 - Plug pin hole; 282 - USB component; 283 - USB jack; 284 - Through hole. Detailed implementation manners

[0037] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. Generally, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents the selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0039] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0040] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "inner" and "outer" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0042] The power converters provided by the related art have diverse application scenarios; for example: a magic cube socket can be used to increase the number of jacks, and thus electrically connect more electrical devices; or a USB socket can be used to directly electrically connect a data cable; or a travel converter can convert different output voltages, etc.

[0043] For the convenience of storing the power converter, the plug pins of the power converter are usually set to be retractable; in this way, when storing the power converter, the plug pins can be retracted into the interior of the power converter to reduce the overall space occupied by the power converter. Moreover, it can also improve the problem that the plug pins are easily damaged due to collision or dropping. When in need of use, the plug pins can be extended to plug into the jack to obtain power.

[0044] However, the plug pins of the power converters provided by the related art are difficult to be positioned after being extended, and are likely to retract accidentally when plugging into the jack.

[0045] This embodiment provides a power converter, which can position the plug pins when the plug pins are extended, so as to improve the problem that the plug pins are likely to retract accidentally when inserted into the jack.

[0046] Please refer to Figure 1 and Figure 2, the power converter 010 of this embodiment includes a housing 100, a PCBA circuit board 280, and a socket assembly. The PCBA circuit board 280 and the socket assembly are both disposed within the housing 100, and the socket assembly is electrically connected to the PCBA circuit board 280. The housing 100 is provided with a socket hole 281, and the socket hole 281 is distributed opposite to the socket assembly. So that when a plug is inserted into the socket hole 281, the plug can contact and conduct with the socket assembly, and thus an electrical device electrically connected to the plug can draw power through the power converter 010.

[0047] The structure of the housing 100 can be selected according to needs. The housing 100 of this embodiment includes an upper cover 110 and a lower cover 120. The upper cover 110 and the lower cover 120 are snapped and connected to enable the PCBA circuit board 280 and the socket assembly to be stably and reliably disposed within the housing 100.

[0048] The connection methods of the upper cover 110 and the lower cover 120 include but are not limited to snap connection, bonding, and connection with fasteners such as screws.

[0049] Please refer to Figure 3 and Figure 4 , the socket assembly includes an N - pole socket 270 and an L - pole socket 260. The N - pole socket 270 and the L - pole socket 260 are both electrically connected to the PCBA circuit board 280. The housing 100 is provided with socket holes 281 that are respectively distributed opposite to the N - pole socket 270 and the L - pole socket 260, so that the pins of the plug can respectively contact and conduct with the N - pole socket 270 and the L - pole socket 260 through the corresponding socket holes 281.

[0050] The N - pole socket 270 includes an N - pole copper bar 271 and an N - pole socket body 272 connected to the N - pole copper bar 271; the L - pole socket 260 includes an L - pole copper bar 261 and an L - pole socket body 262 connected to the L - pole copper bar 261; the N - pole copper bar 271 and the L - pole copper bar 261 are both welded to the PCBA circuit board 280. In this way, the structure inside the power converter 010 can be made more compact.

[0051] Furthermore, the N - pole socket body 272 and the L - pole socket body 262 are respectively distributed opposite to the corresponding socket holes 281, which can ensure that the pins of the plug inserted into the corresponding socket holes 281 can respectively contact and conduct with the N - pole socket body 272 and the L - pole socket body 262.

[0052] It should be noted that the number of N - pole socket body 272 and the number of L - pole socket body 262 can both be set as required. For example: one, two, three, etc., and no specific limitation is made here; the number of pin holes 281 opened on the housing 100 can be adapted to the number of N - pole socket body 272 and the number of L - pole socket body 262. For example: the number of one N - pole socket body 272 and the number of one L - pole socket body 262 correspond to two pin holes 281, and the number of two N - pole socket body 272 and the number of two L - pole socket body 262 correspond to four pin holes 281, and no specific limitation is made here.

[0053] Optionally, in some embodiments, the socket assembly may further include a ground - pole socket, and the housing 100 is further provided with a ground - pole pin hole for enabling one of the pins of the plug to be conducted with the ground - pole socket through the ground - pole pin hole; that is, the power converter 010 can be a two - hole socket or a three - hole socket, and no specific limitation is made here.

[0054] Optionally, please refer to Figure 2 and Figure 4 , the power converter 010 further includes a USB component 282, the housing 100 is further provided with a USB jack 283, the USB component 282 is arranged inside the housing 100 and is electrically connected to the PCBA circuit board 280, and the USB component 282 and the USB jack 283 are distributed oppositely; with such a setting, the USB data cable can be plugged into the USB component 282 through the USB socket 231 and be conducted with the PCBA circuit board 280 through the USB component 282 to realize power taking.

[0055] In order to enable the power converter 010 to take power from the mains, please refer to Figure 2 , the power converter 010 further includes a pin mechanism 200, the pin mechanism 200 is arranged on the housing 100 and can be conducted with the socket assembly; the pin mechanism 200 can be plugged into other sockets, for example: it can be plugged into a wall - mounted socket to take power from the mains through the wall - mounted socket.

[0056] In order to reduce the space occupied by the power converter 010 when the power converter 010 is not in use, and thus facilitate the storage of the power converter 010; the pin mechanism 200 is configured to be retractable.

[0057] Furthermore, please refer to Figure 2 , Figure 5 and Figure 6, the power converter 010 further includes a sliding rod 130 disposed within the housing 100, and the housing 100 is provided with a through hole 284; the plug mechanism 200 includes a self-locking assembly 210 and a plug 220, the plug 220 is connected to the self-locking assembly 210, and the self-locking assembly 210 is slidably engaged with the sliding rod 130; wherein, the self-locking assembly 210 is configured to have a locked state and an unlocked state; when the self-locking assembly 210 is in the unlocked state, the self-locking assembly 210 can drive the plug 220 to extend and retract relative to the housing 100 through the through hole 284, and when the self-locking assembly 210 is in the locked state, the plug 220 can be locked at a position extending or retracting relative to the housing 100. Through the arrangement of the self-locking assembly 210, when the plug 220 extends relative to the housing 100, the plug 220 can be locked at a position extending relative to the housing 100, thereby improving the problem that the plug 220 is likely to accidentally retract into the housing 100 when inserted into the socket; moreover, in addition to locking and unlocking the position of the plug 220 relative to the housing 100, the self-locking assembly 210 can also drive the plug 220 to extend and retract relative to the housing 100, that is, when the user operates the self-locking assembly 210 to release the lock on the plug 220, the self-locking assembly 210 can conveniently drive the plug 220 to move, thereby simplifying the operation of the plug 220 to extend and retract, which is beneficial to improving the user experience; since the self-locking assembly 210 integrates the functions of unlocking, locking, and driving the plug 220 to move, the structure of the plug mechanism 200 is simpler and easier to produce and assemble.

[0058] Furthermore, when the self-locking assembly 210 drives the plug 220 to extend out of the housing 100, the plug 220 is electrically connected to the socket sleeve; in this way, when the plug 220 extending out of the housing 100 is inserted into a socket such as a wall socket, the socket sleeve can be ensured to be powered on.

[0059] It should be noted that the plug mechanism 200 includes two plugs 220, and both of the two plugs 220 are connected to the self-locking assembly 210; when the self-locking assembly 210 drives both of the two plugs 220 to extend out of the housing 100, the two plugs 220 are respectively electrically connected to the L-pole socket sleeve 260 and the N-pole socket sleeve 270.

[0060] In some embodiments, the structure of the plug 220 further includes a ground-pole plug, and the ground-pole plug is connected to the self-locking assembly 210; when the self-locking assembly 210 drives the ground-pole plug to extend out of the housing 100, the ground-pole plug is electrically connected to the ground-pole socket sleeve disposed within the housing 100.

[0061] To ensure that when the plug 220 extends out of the housing 100, it can be reliably electrically connected to the corresponding socket sleeve; please refer to Figure 3 and Figure 4, the latch mechanism 200 further includes a conductive sheet 221, and the conductive sheet 221 is connected to the latch 220; when the self-locking assembly 210 drives the latch 220 to extend out of the housing 100, the conductive sheet 221 is inserted into the socket sleeve, so that the latch 220 is electrically connected to the socket sleeve.

[0062] The number of the conductive sheets 221 is adapted to the number of the latches 220. The latch mechanism 200 of this embodiment includes two conductive sheets 221, and the conductive sheets 221 include, but are not limited to, copper sheets or iron sheets; the two conductive sheets 221 and the two latches 220 are connected in a one-to-one correspondence; when the self-locking assembly 210 drives the latch 220 to extend out of the housing 100, the two conductive sheets 221 are respectively inserted into one of the L-pole socket sleeve bodies 262 of the L-pole socket sleeve 260 and one of the N-pole socket sleeve bodies 272 of the N-pole socket sleeve 270. In this way, reliable power supply of the socket sleeve assembly can be ensured.

[0063] It should be understood that in an embodiment where the latch mechanism 200 further includes a ground-pole latch, the latch mechanism 200 further includes a conductive sheet 221 connected to the ground-pole latch.

[0064] It should be noted that the connection manner between the conductive sheet 221 and the latch 220 includes, but is not limited to, riveting, welding, etc.

[0065] In other embodiments, the latch mechanism 200 does not include a conductive sheet 221. When the self-locking assembly 210 drives the latch 220 to extend out of the housing 100, the latch 220 directly contacts and conducts with the socket sleeve.

[0066] In this embodiment, please refer to Figure 5 and Figure 6 , the sliding rod 130 is connected to the upper cover 110, and the connection manner includes, but is not limited to, integral molding, threaded connection, snap connection, etc.; the sliding rod 130 is provided with a first step portion 131 and a second step portion 132, and the first step portion 131 and the second step portion 132 are distributed along the length direction of the sliding rod 130; the self-locking assembly 210 is configured to be able to selectively abut against the first step portion 131 and the second step portion 132 to be in a locked state; wherein, when the self-locking assembly 210 abuts against the first step portion 131, the latch 220 can be locked at a position extending out of the housing 100; when the self-locking assembly 210 abuts against the second step portion 132, the latch 220 can be locked at a retracted position. With such a setting, not only can the position of the latch 220 be locked when the latch 220 extends out of the housing 100, improving the problem that the latch 220 is likely to accidentally retract into the housing 100 when being inserted into the jack, but also the position of the latch 220 can be locked when the latch 220 retracts into the housing 100, ensuring that the latch 220 can be reliably received in the housing 100 and effectively improving the damage of the latch 220 caused by collision and dropping.

[0067] Of course, in other embodiments, the sliding rod 130 may also be connected to the lower cover 120.

[0068] Further, the sliding rod 130 includes a sliding rod body 133 and a convex block 134 connected to the sliding rod body 133. The sliding rod body 133 is disposed within the housing 100. Specifically, the sliding rod body 133 is connected to the upper cover 110; the convex block 134 has a first step portion 131 and a second step portion 132; when the self-locking assembly 210 is in the unlocked state, the self-locking assembly 210 can slidably cooperate with at least one of the convex block 134 and the sliding rod body 133 to drive the bolt 220 to extend and retract relative to the housing 100. Through the sliding cooperation between the self-locking assembly 210 and at least one of the convex block 134 and the sliding rod body 133, the movement of the self-locking assembly 210 can be ensured to be more stable, and thus the bolt 220 can be stably driven to extend or retract relative to the housing 100.

[0069] It should be noted that along the length extension direction of the sliding rod body 133, the convex block 134 has a side facing the through hole 284 and a side facing away from the through hole 284. Among them, the side of the convex block 134 facing the through hole 284 is the first step portion 131, and the side of the convex block 134 facing away from the through hole 284 is the second step portion 132.

[0070] In other embodiments, the sliding rod 130 includes a sliding rod body 133 and two convex teeth connected to the sliding rod body 133. The two convex teeth are spaced apart along the length extension direction of the sliding rod body 133. One of the convex teeth is located between the other convex tooth and the through hole 284. The two convex teeth respectively serve as the first step portion 131 and the second step portion 132; when the self-locking assembly 210 abuts against the convex tooth close to the through hole 284, the bolt 220 can be locked at the position extending out of the housing 100; when the self-locking assembly 210 abuts against the convex tooth away from the through hole 284, the bolt 220 can be locked at the position retracting into the housing 100.

[0071] Optionally, a guiding rib is further connected to the outer periphery of the sliding rod body 133. The length extension direction of the guiding rib is the same as the length extension direction of the sliding rod body 133. The self-locking assembly 210 can slidably cooperate with the guiding rib; through the arrangement of the guiding rib, the contact area between the self-locking assembly 210 and the sliding rod 130 can be reduced, and thus the sliding friction of the self-locking assembly 210 can be reduced, ensuring that the self-locking assembly 210 can drive the bolt 220 to slide more smoothly and is beneficial to reducing the generation of noise during sliding.

[0072] Please refer to Figures 5 - 8, the self-locking assembly 210 of this embodiment includes a base 230 and a locking member 240. The base 230 is slidably connected to the sliding rod 130, and the latch 220 is connected to the base 230. The locking member 240 is movably disposed on the base 230 and can alternatively abut or separate from the first step portion 131 and the second step portion 132. Moreover, when the locking member 240 is separated from both the first step portion 131 and the second step portion 132, the locking member 240 can drive the base 230 and the latch 220 to move synchronously, so that the latch 220 can extend out of or retract into the through hole 284 of the housing 100. With such a setting, it is possible to avoid interference between the locking member 240 and the latch 220, ensure that the position of the latch 220 relative to the housing 100 can be reliably locked by the locking member 240, and at the same time ensure that the locking member 240 can smoothly drive the latch 220 to extend and retract relative to the housing 100.

[0073] Furthermore, the self-locking assembly 210 further includes an elastic member 250. The elastic member 250 is disposed between the base 230 and the locking member 240 and is configured to make the locking member 240 have a tendency to alternatively abut against the first step portion 131 and the second step portion 132. Specifically, when the locking member 240 drives the base 230 and the latch 220 to move synchronously so that the latch 220 extends out of the through hole 284 of the housing 100, under the elastic action of the elastic member 250, the locking member 240 abuts against the first step portion 131, and thus the latch 220 can be reliably locked in the position extending out of the housing 100. When the locking member 240 drives the base 230 and the latch 220 to move synchronously so that the latch 220 retracts into the through hole 284 of the housing 100, under the elastic action of the elastic member 250, the locking member 240 abuts against the second step portion 132, and thus the latch 220 can be reliably locked in the position retracted into the housing 100.

[0074] It should be noted that when the locking member 240 is pressed, the stressed locking member 240 can compress the elastic member 250, and the locking member 240 no longer abuts against any one of the first step portion 131 and the second step portion 132. The locking member 240 can move along the length direction of the sliding rod 130 and drive the base 230 and the latch 220 to move synchronously.

[0075] It should also be noted that the elastic member 250 includes but is not limited to a spring or a torsion spring.

[0076] It should be understood that in other embodiments, the self-locking assembly 210 may not include the elastic member 250, and the locking member 240 may be made of an elastic material, such as rubber, etc. In this way, when the external force pressing the locking member 240 to separate it from any one of the first step portion 131 and the second step portion 132 is withdrawn, the locking member 240 can reset under its own elasticity to abut against the first step portion 131 or the second step portion 132.

[0077] Please continue to refer to Figures 5 - 8 , in this embodiment, the base 230 is provided with a socket hole 231, a socket groove 232 and a mounting groove 233. The socket groove 232 is connected to the mounting groove 233, and the socket hole 231 penetrates through the socket groove 232. The locking member 240 is movably inserted into the socket groove 232, the elastic member 250 is disposed in the mounting groove 233, the sliding rod 130 is slidably inserted into the socket hole 231, the locking member 240 can extend into the socket hole 231 and selectively abut against the first step portion 131 and the second step portion 132, and the locking member 240 can also extend into the mounting groove 233 to press the elastic member 250. With such a setting, the elastic member 250 can be reliably disposed between the base 230 and the locking member 240, and the base 230 can be reliably slidably engaged with the sliding rod 130, thereby ensuring that the bolt 220 can smoothly extend and retract relative to the housing 100 under the action of the self-locking assembly 210, and can be reliably locked at the position extending out of the housing 100 or the position retracted into the housing 100 under the action of the self-locking assembly 210.

[0078] Further, please refer to Figure 6 , Figure 7 and Figure 8 , the locking member 240 is provided with an avoidance hole 241, and the sliding rod 130 is slidably inserted into the avoidance hole 241. With such a setting, it can be ensured that the self-locking assembly 210 can be reliably slidably engaged with the sliding rod 130, that is, it is ensured that the self-locking assembly 210 slides relative to the sliding rod 130 without being blocked.

[0079] Still further, please refer to Figure 7 and Figure 8, a third step portion 234 is provided on the groove wall of the insertion groove 232, and a protrusion 242 is connected to the locking member 240. The protrusion 242 can abut against the third step portion 234 to prevent the locking member 240 from disengaging from the insertion groove 232. In this way, when assembling the power converter 010, the pin mechanism 200 can be assembled integrally first and then sleeved on the sliding rod 130 as a whole. Specifically, when assembling the power converter 010, the pin 220 is assembled on the base 230, the elastic member 250 is arranged in the installation groove 233, then the locking member 240 is inserted into the insertion groove 232, and the protrusion 242 is abutted against the third step portion 234, and the avoidance hole 241 is communicated with the insertion hole 231. The sliding rod 130 is passed through the insertion hole 231 and the avoidance hole 241, and the assembly of the pin mechanism 200 can be completed, ensuring the easy assembly of the power converter 010.

[0080] To facilitate the assembly of the locking member 240 to the base 230, please refer to Figure 7 and Figure 8 , the locking member 240 includes a pressing rod 243 and an open ring 244, and the pressing rod 243 is distributed on the side opposite to the opening of the open ring 244; the open ring 244 is connected with a protrusion 242, and the protrusion 242 is close to one end of the opening of the open ring 244; when the locking member 240 is inserted into the insertion groove 232, the open ring 244 itself will be deformed under the extrusion of the groove wall of the insertion groove 232, so that the locking member 240 can be inserted into the insertion groove 232 more smoothly, and when the open ring 244 is inserted into the insertion groove 232, the protrusion 242 connected to the open ring 244 can abut against the third step portion 234, thereby ensuring the reliable assembly of the locking member 240 to the base 230.

[0081] The open ring 244 can be set to be rectangular or elliptical, and no specific limitation is made here.

[0082] To further ensure the stable setting of the locking member 240 on the base 230, two protrusions 242 are connected to the open ring 244, and third step portions 234 are provided on two opposite groove walls of the insertion groove 232, and the two protrusions 242 can abut against the two third step portions 234 in a one-to-one correspondence.

[0083] To further ensure the easy operation of inserting the locking member 240 into the insertion groove 232, the protrusion 242 is further provided with a guiding inclined surface 245. Along the movement direction of the locking member 240 inserted into the insertion groove 232, the distance between the guiding inclined surfaces 245 provided on the two protrusions 242 gradually decreases, and the guiding inclined surface 245 can be in sliding fit with the groove wall of the insertion groove 232.

[0084] Please refer to Figure 6, To facilitate the user to operate the pressing rod 243 to unlock the self-locking component 210 or to drive the self-locking component 210 to drive the bolt 220 to extend and retract relative to the housing 100, the housing 100 is further provided with a long groove 111. Specifically, the upper cover 110 is provided with the long groove 111, and the length extension direction of the long groove 111 is the same as the length extension direction of the sliding rod 130; specifically, the long groove 111 is provided in the upper cover 110; one end of the pressing rod 243 away from the opening ring 244 extends out of the long groove 111 and can slide along the length extension direction of the long groove 111.

[0085] When the power converter 010 of the present invention is in use, by pressing the locking member 240, the locking member 240 is separated from the second step portion 132, and then the locking member 240 is driven to slide, driving the base 230 and the bolt 220 to slide synchronously until the bolt 220 extends out of the housing 100. At the same time, the bolt 220 is electrically connected to the socket assembly. After the pressing force applied to the locking member 240 is withdrawn, the locking member 240 moves under the action of the elastic member 250 to abut against the first step portion 131, and the bolt 220 can be inserted into the jack of a wall socket or other sockets.

[0086] When storing the power converter 010, press the locking member 240 to separate the locking member 240 from the first step portion 131, then drive the locking member 240 to slide, driving the base 230 and the bolt 220 to slide synchronously until the bolt 220 retracts into the housing 100. After that, the acting force of pressing the locking member 240 is withdrawn, and the locking member 240 moves under the action of the elastic member 250 to abut against the second step portion 132, and the bolt 220 can be reliably stored in the housing 100.

[0087] In summary, when the power converter 010 of the present invention is in use, the bolt 220 can be locked at the position extending out of the housing 100, thereby improving the problem that the bolt 220 is prone to accidentally retracting into the housing 100 when inserted into the jack.

[0088] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A power converter, characterized in that, Comprising: A housing (100); A sliding rod (130), the sliding rod (130) being disposed within the housing (100); A latch mechanism (200), the latch mechanism (200) including a self-locking assembly (210) and a latch (220), the latch (220) being connected to the self-locking assembly (210), and the self-locking assembly (210) being in sliding fit with the sliding rod (130); wherein, The self-locking assembly (210) is configured to have a locked state and an unlocked state; When the self-locking assembly (210) is in the unlocked state, the self-locking assembly (210) can drive the latch (220) to extend and retract relative to the housing (100), and when the self-locking assembly (210) is in the locked state, the latch (220) can be locked in a position extending or retracting relative to the housing (100); The sliding rod (130) is provided with a first step portion (131) and a second step portion (132), the first step portion (131) and the second step portion (132) being distributed along the length direction of the sliding rod (130); The self-locking assembly (210) is configured to be capable of alternatively abutting against the first step portion (131) and the second step portion (132) to be in the locked state; wherein, When the self-locking assembly (210) abuts against the first step portion (131), the latch (220) can be locked in a position extending out of the housing (100); when the self-locking assembly (210) abuts against the second step portion (132), the latch (220) can be locked in a position retracting into the housing (100); The self-locking assembly (210) includes a base (230) and a locking member (240), the base (230) being slidably connected to the sliding rod (130), and the latch (220) being connected to the base (230); the locking member (240) is movably disposed on the base (230).

2. The power converter according to claim 1, characterized in that, The sliding rod (130) includes a sliding rod body (133) and a convex block (134), the sliding rod body (133) being disposed within the housing (100), the convex block (134) being connected to the sliding rod body (133), and the convex block (134) having the first step portion (131) and the second step portion (132); When the self-locking assembly (210) is in the unlocked state, the self-locking assembly (210) can be in sliding fit with at least one of the convex block (134) and the sliding rod body (133) to drive the latch (220) to extend and retract relative to the housing (100).

3. The power converter according to claim 1, characterized in that, The locking member (240) can selectively abut against or separate from the first step portion (131) and the second step portion (132), and when the locking member (240) is separated from both the first step portion (131) and the second step portion (132), the locking member (240) can drive the base (230) and the latch (220) to move synchronously, so that the latch (220) can extend or retract into the housing (100).

4. The power converter according to claim 3, characterized in that, The self-locking assembly (210) further comprises an elastic member (250), the elastic member (250) being arranged between the base (230) and the locking member (240), and being configured to allow the locking member (240) to have a movement tendency to selectively abut against the first step portion (131) and the second step portion (132).

5. The power converter according to claim 4, characterized in that, The base (230) is provided with a plug-in hole (231), a plug-in groove (232) and a mounting groove (233); the plug-in groove (232) is connected to the mounting groove (233), and the plug-in hole (231) passes through the plug-in groove (232); the locking member (240) is movably plugged into the plug-in groove (232); the elastic member (250) is arranged in the mounting groove (233); the sliding rod (130) is slidably plugged into the plug-in hole (231); the locking member (240) can extend into the plug-in hole (231) and selectively abut against the first step portion (131) and the second step portion (132); and the locking member (240) can also extend into the mounting groove (233) to press the elastic member (250).

6. The power converter according to claim 5, characterized in that, The locking piece (240) is provided with an avoidance hole (241), and the sliding rod (130) is slidably plugged into the avoidance hole (241).

7. The power converter according to claim 5, characterized in that, The slot wall of the plug slot (232) is provided with a third step portion (234), the locking piece (240) is connected with a protrusion (242), and the protrusion (242) can abut against the third step portion (234) to prevent the locking piece (240) from being separated from the plug slot (232).

8. The power converter according to any one of claims 1-7, characterized in that, The power converter also includes a socket, which is arranged in the housing (100); When the self-locking component (210) drives the latch pin (220) to extend out of the housing (100), the latch pin (220) is in electrical communication with the socket.

9. The power converter according to claim 8, characterized in that, The latch mechanism (200) further comprises a conductive sheet (221), wherein the conductive sheet (221) is connected to the latch (220); When the self-locking component (210) drives the latch pin (220) to extend out of the housing (100), the conductive sheet (221) is plugged into the socket, so that the latch pin (220) and the socket are electrically connected.

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