CN216312272U - Converter - Google Patents

Abstract

The utility model discloses a converter, which comprises a shell and a plurality of plug components, wherein each plug component comprises a plug pin and a button connected with the plug pin, the converter also comprises a support arranged in the shell, a middle shaft arranged on the support and a plurality of limiting components, each plug component is provided with one limiting component, each limiting component comprises a rack connected with the button, a gear arranged on the middle shaft and meshed with the rack, and a sliding block arranged on the middle shaft and matched with the gear, the gear rotates to push the sliding block matched with the gear or the sliding block adjacent to the gear to move along the middle shaft, and the sliding blocks positioned at the two ends of the middle shaft and the gear are tightly abutted against the support when the button is positioned at a first position. According to the utility model, through the meshing of the rack and the gear, the gear is matched with the sliding block, and the button drives the rack to move up and down, so that only one plug can be pushed out and placed outside the shell in the use process of the converter.

Description

Converter

Technical Field

The utility model relates to the technical field of plugs and sockets, in particular to a converter capable of switching plugs and sockets of different specifications.

Background

Because plug and socket systems of most countries in the world are not unified, the traveling between the countries is always inconvenient, and in order to conveniently use the plug equipment of the country when traveling across the country, a converter capable of switching plugs and sockets of different specifications at any time appears, and the converter is suitable for socket systems of different countries. However, due to the requirements of safety and regulatory standards, the travel converter with multiple pins can be used with only one plug that can be pushed out and fixed.

Patent ZL028153774 discloses a power plug having a socket for one or more standard plugs on one side and a plurality of different standard plug contacts on the opposite side which can be moved into an active position. The plug contacts can be removed by means of operating pins in sliding slots, the sliding slots of the plug contacts which are not removed being covered by the catch body, so that only individual plug contacts can be removed, and a securing body which secures the plug contacts in the active position prevents the plug contacts which are moved forward from being unintentionally moved back. The scheme introduced in patent ZL028153774 or similar schemes, the design similar to the slider can cause the product structure to be loose, and the shaking product can have great abnormal sound, and the feeling of giving people is that the product is unreliable, the quality is not good, and the product is cheap and not high-grade.

CN111969350A discloses a compact travel adaptor plug capable of being grounded, which has a housing, a socket (16), and at least a first plug (38) of a first standard and a second plug (28) of a second standard, each plug is assigned with a driving slider (22, 24, 26) which is guided externally by a sliding slot on the housing, and the driving slider is designed to move the plug between a standby position in which the plug is substantially disposed in the housing and a use position in which the plug is disposed outside the housing; the first plug comprises a plug body (40), a first contact pin (42A) and a second contact pin (42B), and the plug body, the first contact pin and the second contact pin can be arranged outside the shell in a usable position; in the standby position, the plug body, the first contact pin and the second contact pin are arranged in the shell; the second plug comprises a third contact pin (30A) and a fourth contact pin (30B), and the third contact pin and the fourth contact pin are also guided in the plug body of the first plug. Similar design of patent CN111969350A then can lead to the product design very complicated, and inside spare part is too many, and is very high to the mould precision requirement, and processing and equipment are also difficult, and product development cost is high, and the cycle length also can lead to the product unreliable, often takes place to block and dies, participates in unable release scheduling problem, seriously influences consumer's use experience.

SUMMERY OF THE UTILITY MODEL

Features and advantages of the utility model will be set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the utility model.

The present invention has an object to provide a converter in which only one pin of a plurality of pins can be pushed out and fixed in use by a simple structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a converter comprises a shell and a plurality of plug assemblies, wherein each plug assembly comprises a plug pin and a button connected with the plug pin, the button is provided with a first position enabling the plug pin to be arranged outside the shell and a second position enabling the plug pin to be arranged inside the shell, and the converter is characterized by further comprising a support arranged inside the shell, a middle shaft arranged on the support and a plurality of limiting assemblies, each plug assembly is provided with one limiting assembly, each limiting assembly comprises a rack connected with the button, a gear arranged on the middle shaft and meshed with the rack and a sliding block arranged on the middle shaft and matched with the gear, the gear rotates to push the sliding block matched with the gear or the sliding block adjacent to the gear to move along the middle shaft, and the sliding blocks and the gear which are respectively arranged at two ends of the middle shaft abut against the support when the button is located at the first position.

A first inclined plane arranged around the circumferential direction is arranged on a first end face of one end of the gear, the first inclined plane and the first end face have a height difference in the axial direction of the middle shaft, and the tail end of the first inclined plane is connected with a first plane; the second end face of one end of the sliding block is provided with a second inclined face arranged around the circumferential direction, the second inclined face and the second end face have a height difference in the axial direction of the middle shaft, the tail end of the second inclined face is connected with a second plane, the first inclined face is matched with the second inclined face, and the first plane and the second plane abut against each other when the button is located at a first position.

A first inclined plane arranged around the circumferential direction is arranged on a first end face at one end of the gear, and the first inclined plane and the first end face have a height difference in the axial direction of the middle shaft; a second inclined plane arranged around the circumferential direction is arranged on a second end face at one end of the sliding block, and the second inclined plane and the second end face have a height difference in the axial direction of the middle shaft; the first inclined plane is matched with the second inclined plane, and the first inclined plane is abutted to the second inclined plane when the button is located at the first position.

The sliding block is provided with a boss, the support is provided with a guide groove, and the boss is arranged in the guide groove.

The support comprises a mounting plate and baffles arranged on two sides of the mounting plate, two ends of the middle shaft are respectively mounted on the baffles on two sides, when the button is located at the first position, the sliding block located at one end of the middle shaft is tightly abutted to the baffle on one side, and the gear located at the other end of the middle shaft is tightly abutted to the baffle on the other side.

The slider is provided with a boss, the mounting plate is provided with a guide groove, and the boss is arranged in the guide groove.

The length of the middle shaft is equal to that of the rack.

Each plug assembly further includes a connection block on which the button is mounted and on which the pins are mounted.

The connecting block is provided with a slot, and one end of the rack is arranged in the slot.

The connecting block includes first connecting block and second connecting block, first connecting block with second connecting block fixed connection, button integrated into one piece in the tip of first connecting block, participate in the installation on the second connecting block.

When the button of a certain plug assembly is located at the first position, the sliding blocks and the gears located at the left end and the right end of the middle shaft are respectively abutted against the bracket, and due to the abutting, if the buttons of other plug assemblies are shifted, the gears cannot rotate any more, the sliding blocks cannot move any more, the buttons of other plug assemblies are limited and cannot move downwards, so that the plugs in the other plug assemblies cannot move downwards and are arranged outside the shell, and only one plug can be pushed out and arranged outside the shell in the use process of the converter. Through the meshing of rack and gear like this, the cooperation of gear and slider to drive the rack through the button and reciprocate and just can realize the converter in the use, only can have a plug to push out and place in outside the casing, its simple structure does benefit to the production equipment.

Drawings

The advantages and realisation of the utility model will be more apparent from the following detailed description, given by way of example, with reference to the accompanying drawings, which are given for the purpose of illustration only, and which are not to be construed in any way as limiting the utility model, and in which:

FIG. 1 is an external structural view of a converter according to an embodiment of the present invention;

FIG. 2 is a first diagram of an exemplary embodiment of a converter;

FIG. 3 is a second internal structural diagram of a converter according to an embodiment of the present invention;

FIG. 4 is a first block diagram of the bracket, the middle shaft, the gear and the sliding block assembled together according to the embodiment of the utility model;

FIG. 5 is a first block diagram illustrating the bracket, the middle shaft, the gears and the sliding blocks in an embodiment of the present invention;

FIG. 6 is a second embodiment of the present invention with the bracket, the middle shaft, the gears and the sliding blocks separated;

FIG. 7 is a structural view of a gear in the embodiment of the present invention;

FIG. 8 is a side view of a gear in an embodiment of the present invention;

FIG. 9 is a block diagram of a slider in an embodiment of the present invention;

FIG. 10 is a side view of a slider in an embodiment of the present invention;

FIG. 11 is a block diagram of the button of the center plug assembly in a use position in an embodiment of the present invention;

FIG. 12 is a block diagram of the bracket, central shaft, gears and slide assembly with the button of the center plug assembly in the use position in accordance with an embodiment of the present invention;

FIG. 13 is a block diagram of the bracket, central shaft, gears and slides shown disassembled with the middle plug assembly button in the use position in accordance with an embodiment of the present invention;

FIG. 14 is a structural view of a connection block in the embodiment of the present invention;

fig. 15 is a structural view showing the connection block detached in the embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 3, the converter according to the embodiment of the present invention includes a housing 100 and a plurality of plug assemblies, each plug assembly includes a button 201 and a pin 202, the button 201 is connected to the pin 202, the button 201 is located outside the housing, the button 201 can move up and down on the housing, and toggling the button 201 can drive the pin 202 to move up and down, so that the pin 202 is located outside or inside the housing.

The button 201 has a first position, which is a use position, and a second position, which is an initial position, in which the button 201 is located at a lower portion of the housing, and in which the button 201 is located at an upper portion of the housing. When the button 201 is in the first position, the pins 202 are disposed outside the housing 100, and when the button 201 is in the second position, the pins 202 are disposed inside the housing. When the button 201 is located the first position, the button 201 can be restricted to be stuck, the button 201 is restricted to be stuck and the existing conventional technology can be adopted, so that the button cannot move up by itself, and the button can move up only by being dialed by a hand.

As shown in fig. 2 to 6, the converter further includes a bracket 203, a central shaft 204, and a plurality of limiting assemblies, the bracket 203 is fixed in the housing, the central shaft 204 is mounted on the bracket 203, and each plug assembly is provided with one limiting assembly, that is, each plug assembly is limited by one corresponding limiting assembly to move down a button in the plug assembly, thereby limiting the plug from being placed outside the housing.

Each limiting assembly comprises a rack 205, a gear 206 and a sliding block 207, the rack 205 is connected with the button 201, the gear 206 is installed on the middle shaft 204 and meshed with the rack 205, and the button 201 moves up and down to drive the rack 205 to move up and down and further drive the gear 206 to rotate on the middle shaft 204. The sliding block 207 is installed on the central shaft 204 and is in contact fit with the gear, the gear 206 rotates to push the sliding block 207 matched with the gear or the sliding block (sliding block in other limiting components) adjacent to the gear to move along the central shaft, and the sliding blocks and the gear which are respectively positioned at the left end and the right end of the central shaft 204 are tightly abutted against the bracket 203 when the button 201 is positioned at the first position.

When the button of certain plug subassembly was located the first position, can make slider and gear and the support that is located axis left and right sides both ends respectively support tightly, owing to support tightly, if stir the button of other plug subassemblies again this moment, the gear can't rotate again, and the slider can't move again, and the button of other plug subassemblies is spacing and can't move down to the plug that makes in other plug subassemblies can't move down outside the casing, makes the converter like this in the use, only has a plug to release and as to outside the casing. The utility model can realize that only one plug can be pushed out and placed outside the shell in the using process of the converter by meshing the rack and the gear, matching the gear and the sliding block and driving the rack to move up and down by the button, has simple structure and is beneficial to production and assembly; the plug pins are pushed out smoothly, parts move smoothly, and abnormal sound cannot occur when the product is shaken.

In the present embodiment, as shown in fig. 5 to 10, in order to achieve the effect that the gear will push the slider to move when rotating, the structure of the gear 206 and the slider 207 is as follows.

The first end surface 2061 of one end of the gear 206 (the first end surface is perpendicular to the axial direction of the central axis) is provided with a first inclined surface 2062 arranged around the circumferential direction, and the first inclined surface 2062 and the first end surface 2061 have a height difference in the axial direction of the central axis, the height difference gradually increases from the front end 20621 (the end connected with the first end surface 2061) to the tail end 20622 of the first inclined surface 2062, and the first inclined surface is arranged on a part of the circumferential direction. The end 20622 of the first inclined surface 2062 is connected to a first plane 2063, the first plane 2063 is arranged around the circumferential direction, the first plane 2063 is parallel to the first end surface 2061, so that the first plane 2063 and the first end surface 2061 have a height difference in the axial direction of the central axis, and a first vertical surface 2065 is formed between the first plane 2063 and the first end surface 2061. The middle of the gear 206 is provided with a first mounting through hole 2064, and the gear 206 is mounted on the middle shaft through the first mounting through hole 2064.

The second end surface 2071 (perpendicular to the axial direction of the middle axis) at one end of the slider 207 is provided with a second inclined surface 2072 arranged around the circumferential direction, and the second inclined surface 2072 and the second end surface 2071 have a height difference in the axial direction of the middle axis, the height difference gradually increases from a front end 20721 (the end connected with the second end surface 2071) to a tail end 20722 of the second inclined surface 2072, and the second inclined surface is arranged on a circumferential portion. The end of the second inclined surface 2072 is connected to a second plane 2073, the second plane 2073 is arranged around the circumferential direction, the second plane 2073 is parallel to the second end surface 2071, so that the second plane 2073 and the second end surface 2071 have a height difference in the axial direction of the central axis, and a second vertical surface 2075 is formed between the second plane 2073 and the second end surface 2071. The middle of the sliding block 207 is provided with a second mounting through hole 2074, and the sliding block 207 is mounted on the middle shaft through the second mounting through hole 2074.

When the button is in the initial position, the first end surface 2061 of the gear engages the second flat surface 2073 of the slider, the first inclined surface 2062 of the gear engages the second inclined surface 2072 of the slider, the first flat surface 2063 of the gear engages the second end surface 2071 of the slider, and the first vertical surface 2065 of the gear engages the second vertical surface 2075 of the slider, thereby engaging the gear 206 with the slider 207.

The bracket 203 includes a mounting plate 2031 and a baffle 2032 disposed on the left and right sides of the mounting plate 2031, the two ends of the center shaft 204 are respectively mounted on the baffle 2032 on the left and right sides, when the button is located at the first position, the slider located at the left end of the center shaft abuts against the baffle 2032 on the left side, and the gear located at the right end of the center shaft abuts against the baffle 2032 on the right side.

In order to limit the rotation of the slider 207, a boss 2076 is provided on the slider 207, a guide groove 2033 is provided on the mounting plate 2031, and the boss 2076 is disposed in the guide groove 2033, so that the slider 207 can only move left and right along the central axis and cannot rotate.

As shown in fig. 2 and 4, when the button is in the initial position, the gear 206 in each plug assembly is attached to the slider 207, the gears 206 in two adjacent plug assemblies are attached to the slider 207, a moving distance H is provided between the slider 207 at the left end of the central shaft and the left baffle, and the gear 206 at the right end of the central shaft is attached to the right baffle.

In the embodiment, the number of the plug assemblies is three, the number of the sliding blocks is three, the number of the racks is three, and the three sliding blocks and the three gears are alternately arranged on the bracket from left to right

Taking the example that the plug of the middle plug assembly extends out of the housing as an example, in the initial position, the button is located at the upper part of the housing, the button is toggled to move downwards to drive the rack to move downwards, the rack moves downwards to drive the gear to rotate clockwise (as viewed from left to right in the view of fig. 4), so as to drive the first inclined plane on the gear to rotate, the first inclined plane rotates to press the second inclined plane on the slider to the left, because the slider can only move on the middle shaft and the moving interval H exists, the first inclined plane presses the second inclined plane to the left to push the slider in the middle plug assembly to move to the left, and further to push the slider at the left end of the middle shaft to move to the left until the button moves to the lower part of the housing to be limited, the pins of the middle plug assembly move out of the housing, at this time, the slider at the left end of the middle shaft will abut against the left side baffle of the bracket, and the gear at the right end of the middle shaft will abut against the right side baffle (refer to fig. 11 and 12), therefore, gears in other plug assemblies cannot rotate any more, the sliding block cannot move any more, and the pins in other plug assemblies cannot move down to the outside of the shell.

As shown in fig. 11 to 13, in the use position, the button 201 is located at the lower part of the housing, and the button is restricted so that the button cannot move up by itself and needs to be moved up by hand. At this time, the sliding block 207 at the left end of the middle shaft will abut against the stop 2032 at the left side of the bracket, the gear 206 at the right end of the middle shaft will abut against the stop 2032 at the right side of the bracket, the first plane 2063 of the gear 206 of the middle plug assembly is rotated from the initial position at the lower part of the gear to the position at the upper part of the gear, thereby abutting against the second plane of the slide block, between the slide block 207 and the baffle, between the gear 206 and the baffle, and the adjacent sliding block 207 and the gear 206 are all squeezed, the moving distance is not increased, therefore, the gears in other plug assemblies are extruded to be dead, the sliding block has no moving distance, so that the gears in other plug assemblies cannot rotate any more, the sliding block cannot move any more, the buttons of other plug assemblies are limited and cannot move downwards, so that the plugs in the other plug assemblies cannot move downwards and extend out of the shell, this allows only one plug to be pushed out of the housing and out of the housing during use of the converter.

If other pins need to be moved outside the housing, the button of the middle plug assembly needs to be moved up to the initial position first, and then the buttons of the other plug assemblies need to be moved.

In this embodiment, the length of the middle shaft is equal to the length of the rack.

As shown in fig. 14 and 15, each plug assembly further includes a connecting block on which the button is mounted and the pins are mounted. In this embodiment, the connection block includes a first connection block 301 and a second connection block 302, the first connection block 301 and the second connection block 302 are fixedly connected, the button 201 is integrally formed at an end of the first connection block 301, and the pins are mounted on the second connection block 302. The shell is provided with a sliding groove matched with the button so that the button can move up and down conveniently.

The second connecting block 302 is provided with a slot 303, and the lower end of the rack 205 is installed in the slot 303.

In another embodiment, the first end face of one end of the gear (the first end face is perpendicular to the axial direction of the middle shaft) is provided with a first inclined face arranged around the circumferential direction, the first inclined face and the first end face have a height difference in the axial direction of the middle shaft, the first inclined face is arranged on the circumferential part, and in the embodiment, the first inclined face is arranged around the middle shaft. The second end face (the second end face is perpendicular to the axial direction of the middle shaft) at one end of the sliding block is provided with a second inclined face arranged around the circumferential direction, the second inclined face and the second end face have a height difference in the axial direction of the middle shaft, and the second inclined face is arranged on the circumferential part. When the button is located the first position, the first inclined plane and the second inclined plane offset, the slider at the left end of the middle shaft can be tightly abutted to the baffle at the left side of the support, the gear at the right end of the middle shaft can be tightly abutted to the baffle at the right side of the support, so that the gears in other plug assemblies can not rotate, the slider can not move, the buttons of other plug assemblies are limited and can not move downwards, and the plugs in other plug assemblies can not move downwards to the outside of the shell, so that the converter can be used only by one plug to be pushed out and can be placed outside the shell.

In the utility model, the specification of the rack is consistent with that of the corresponding gear.

In order to meet the requirement that different pins extend out of the shell, the moving distance of the sliding block can be adjusted by changing the inclination of the inclined plane, and then the length of the pins extending out of the shell is changed. The inclination of the inclined plane is increased, the squeezing distance is shorter, and the length of the pin extending out of the shell is shorter; the slope decreases and the squeezing distance is longer, the longer the prongs extend out of the housing.

In order to meet the requirement that different pins extend out of the shell for a long time, the problem can be solved by changing the size of the gear, the larger the gear is, the longer the inclined plane is under the condition that the inclination of the inclined plane is not changed, and the longer the pins extend out of the shell; the smaller the gear, the shorter the length of the bevel and the shorter the length of the pin extending out of the housing, with the same slope of the bevel.

While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, those skilled in the art will appreciate that various modifications can be made to the present invention without departing from the scope and spirit of the utility model. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.

Claims (10)

1. A converter comprises a shell and a plurality of plug assemblies, wherein each plug assembly comprises a plug pin and a button connected with the plug pin, the button is provided with a first position enabling the plug pin to be arranged outside the shell and a second position enabling the plug pin to be arranged inside the shell, and the converter is characterized by further comprising a support arranged inside the shell, a middle shaft arranged on the support and a plurality of limiting assemblies, each plug assembly is provided with one limiting assembly, each limiting assembly comprises a rack connected with the button, a gear arranged on the middle shaft and meshed with the rack and a sliding block arranged on the middle shaft and matched with the gear, the gear rotates to push the sliding block matched with the gear or the sliding block adjacent to the gear to move along the middle shaft, and the sliding blocks and the gear which are respectively arranged at two ends of the middle shaft abut against the support when the button is located at the first position.

2. The converter according to claim 1, wherein the first end surface of one end of the gear is provided with a first inclined surface arranged around the circumferential direction, the first inclined surface and the first end surface have a height difference in the axial direction of the middle shaft, and the tail end of the first inclined surface is connected with the first plane; the second end face of one end of the sliding block is provided with a second inclined face arranged around the circumferential direction, the second inclined face and the second end face have a height difference in the axial direction of the middle shaft, the tail end of the second inclined face is connected with a second plane, the first inclined face is matched with the second inclined face, and the first plane and the second plane abut against each other when the button is located at a first position.

3. The converter according to claim 1, wherein the first end surface of one end of the gear is provided with a first inclined surface arranged around the circumferential direction, and the first inclined surface and the first end surface have a height difference in the axial direction of the middle shaft; a second inclined plane arranged around the circumferential direction is arranged on a second end face at one end of the sliding block, and the second inclined plane and the second end face have a height difference in the axial direction of the middle shaft; the first inclined plane is matched with the second inclined plane, and the first inclined plane is abutted to the second inclined plane when the button is located at the first position.

4. The transducer according to claim 1, wherein the slider has a boss, the bracket has a guide groove, and the boss is disposed in the guide groove.

5. The converter according to claim 1, wherein the bracket comprises a mounting plate and baffles arranged on two sides of the mounting plate, two ends of the center shaft are respectively mounted on the baffles on the two sides, when the button is located at the first position, the sliding block located at one end of the center shaft abuts against the baffle on one side, and the gear located at the other end of the center shaft abuts against the baffle on the other side.

6. The transducer according to claim 5, wherein the slider is provided with a boss, the mounting plate is provided with a guide groove, and the boss is disposed in the guide groove.

7. The converter according to claim 1, wherein the length of the bottom bracket shaft is equal to the length of the rack.

8. The converter of claim 1 wherein each plug assembly further comprises a connection block, the button being mounted on the connection block, the pins being mounted on the connection block.

9. The converter according to claim 8, wherein the connecting block is provided with a slot, and one end of the rack is mounted in the slot.

10. The converter according to claim 8, wherein the connection block comprises a first connection block and a second connection block, the first connection block and the second connection block being fixedly connected, the button being integrally formed at an end of the first connection block, the pin being mounted on the second connection block.

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