Extension and retraction structure of european plug of power converter

Abstract

An extension and retraction structure of a European plug of a power converter, the extension and retraction structure comprising a shell, a push handle, a plug sleeve and a pin assembly, wherein the plug sleeve is slidably mounted on the shell in a Z-axis direction; and the push handle is mounted on the plug sleeve. The extension and retraction structure further comprises a fixed rod, a first rocker and a second rocker, which are sequentially hinged, wherein the end of the fixed rod away from the first rocker is fixed to the shell; the end of the second rocker away from the first rocker is hinged to the pin assembly; the plug sleeve is provided with a driving sliding groove; and a driving protrusion is provided on the end of the first rocker away from the fixed rod, and the driving protrusion is slidably mounted in the driving sliding groove. The push handle is pushed to move such that the plug sleeve penetrates the shell; meanwhile, the driving sliding groove on the plug sleeve fits with the driving protrusion on the first rocker, such that the included angle between the first rocker and the second rocker increases, and the pin assembly can thus undergo two-stage displacement while the plug sleeve moves; and the stroke of the push handle can be set to be shorter, thereby reducing the spatial occupancy of the push handle during movement.

Description

A telescopic structure of a power converter European plug TECHNICAL FIELD

[0001] The present application relates to the technical field of power converter, in particular to a telescopic structure of a power converter European plug. BACKGROUND

[0002] With the increasing global tourism and trade, travel conversion plug or travel converter has been widely used. With the continuous improvement of technology, the types and functions of conversion plug are also constantly updated.

[0003] However, the existing European plug has the following disadvantages due to the limitation of the internal structure design: when the plug pin is used, the push handle needs to be moved for a stroke to push the sleeve out of the shell; then, the push handle needs to be moved for another stroke to push the plug pin out of the shell and from the lower end of the sleeve. Therefore, in the structure design of the shell, a larger space needs to be reserved for the European plug in the thickness of the shell, so that the push handle can complete the two strokes. Therefore, the thickness space of the shell is large, which leads to a large overall thickness of the product, which is not conducive to the development of small-sized products. TECHNICAL PROBLEM

[0004] The technical problem to be solved by the present application is to provide a telescopic structure of a power converter European plug with compact structure. TECHNICAL SOLUTION

[0005] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows: a telescopic structure of a power converter European plug, comprising a shell, a push handle, a sleeve and a plug pin assembly, the sleeve is slidably installed in the shell along the Z-axis direction, the push handle is installed on the sleeve, the plug pin assembly is slidably installed in the sleeve along the Z-axis direction, further comprising a fixed rod, a first rocker and a second rocker which are connected in sequence by hinges, one end of the fixed rod away from the first rocker is fixed to the shell, one end of the second rocker away from the first rocker is hinged to the plug pin assembly, the sleeve is provided with a driving sliding groove, one end of the first rocker away from the fixed rod is provided with a driving protrusion, the driving protrusion is slidably installed in the driving sliding groove; when the sleeve slides out of the shell, the driving protrusion slides from the first end of the driving sliding groove to the second end of the driving sliding groove, the included angle between the first rocker and the second rocker increases, and the second rocker pushes the plug pin assembly out of the sleeve.

[0006] Further, the push handle comprises a handle and a pressing rod connected with each other, the handle is located outside the shell, the pressing rod is slidably installed in the sleeve along the X-axis direction, the pressing rod is provided with a first limiting protrusion, the shell is provided with a first limiting part extending along the Z-axis direction, the first limiting part is provided with a first limiting slot and a second limiting slot, when the driving protrusion is located at the first end of the driving sliding slot, the first limiting protrusion is in contact with the first limiting slot, and when the driving protrusion is located at the second end of the driving sliding slot, the first limiting protrusion is in contact with the second limiting slot.

[0007] Further, the push handle is further provided with a second limiting part extending along the Z-axis direction, the second limiting part is connected with the pressing rod, the second limiting part is provided with a third limiting slot and a fourth limiting slot, the pin assembly is provided with a second limiting protrusion, when the driving protrusion is located at the first end of the driving sliding slot, the second limiting protrusion is in contact with the third limiting slot, and when the driving protrusion is located at the second end of the driving sliding slot, the second limiting protrusion is in contact with the fourth limiting slot.

[0008] Further, the pin assembly is provided with an avoiding hole, and the avoiding hole is used for avoiding the second limiting part.

[0009] Further, the pressing rod is sleeved with a compression spring at an end away from the handle, and the compression spring is connected with the sleeve.

[0010] Further, the outer side wall of the sleeve is further provided with an avoiding slot extending along the Z-axis direction, and at least a part of the first limiting part is located in the avoiding slot.

[0011] Further, the driving protrusion is sleeved with a bearing, and the bearing is used for being in contact with the side wall of the driving sliding slot.

[0012] Further, the shell is provided with a buffer part, one end of the second rocker away from the pin assembly is provided with a buffer part, when the driving protrusion is located at the first end of the driving sliding slot, the buffer part is in contact with the buffer part.

[0013] Further, the shell is provided with a guide sliding rod extending along the Z-axis direction, and the sleeve is slidably installed in the guide sliding rod.

[0014] Further, the fixed rod is installed in the shell through a screw. Beneficial effects

[0015] The power converter European plug telescopic structure provided by the application has the characteristics of compact structure, the sleeve is moved out of the shell by pushing the handle, the driving protrusions on the first rocker are matched with the driving sliding grooves on the sleeve, the included angle between the first rocker and the second rocker is increased, and then the pin assembly can produce two displacements while the sleeve moves, that is, the pin assembly can obtain two strokes when the handle moves one stroke, so that the stroke of the handle can be set shorter when the sleeve and the pin assembly are pushed out, the space occupied by the handle is reduced, the product size is reduced, and the miniaturization of the whole product is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is an assembly view of the power converter European plug telescopic structure of the embodiment one of the application;

[0017] Fig. 2 is a sectional view of the power converter European plug telescopic structure of the embodiment one of the application;

[0018] Fig. 3 is an exploded view of the power converter European plug telescopic structure of the embodiment one of the application;

[0019] Fig. 4 is an exploded view of the power converter European plug telescopic structure of the embodiment one of the application from another perspective.

[0020] Label explanation:

[0021] 1, upper shell; 11, upper support; 12, buffer; 2, lower shell; 21, lower support; 22, first limiting part; 221, first limiting groove; 222, second limiting groove; 23, guide sliding rod; 3, handle; 31, handle; 32, pressing rod; 321, first limiting protrusion; 33, second limiting part; 331, third limiting groove; 332, fourth limiting groove; 4, sleeve; 41, driving sliding groove; 411, first end; 412, second end; 42, avoiding groove; 5, fixed rod; 6, first rocker; 61, driving protrusion; 7, second rocker; 71, buffer part; 8, pin assembly; 81, second limiting protrusion; 82, avoiding hole. Embodiment of the application

[0022] To explain the technical content, purposes and effects of the application in detail, the following will be explained in combination with the embodiments and the drawings.

[0023] Please refer to figures 1-4, a telescopic structure of a power converter European plug, comprising a shell, a push handle 3, a plug sleeve 4 and a plug pin assembly 8, the plug sleeve 4 is slidably installed in the shell along the Z-axis direction, the push handle 3 is installed on the plug sleeve 4, the plug pin assembly 8 is slidably installed in the plug sleeve 4 along the Z-axis direction, further comprising a fixed rod 5, a first rocker 6 and a second rocker 7 connected in sequence, one end of the fixed rod 5 away from the first rocker 6 is fixed on the shell, one end of the second rocker 7 away from the first rocker 6 is hinged to the plug pin assembly 8, the plug sleeve 4 is provided with a driving sliding groove 41, one end of the first rocker 6 away from the fixed rod 5 is provided with a driving protrusion 61, the driving protrusion 61 is slidably installed in the driving sliding groove 41; when the plug sleeve 4 slides out of the shell, the driving protrusion 61 slides from the first end 411 of the driving sliding groove 41 to the second end 412 of the driving sliding groove 41, the included angle between the first rocker 6 and the second rocker 7 increases, and the second rocker 7 pushes the plug pin assembly 8 out of the plug sleeve 4.

[0024] From the above description, the beneficial effects of the present application are that by pushing the push handle 3 to move so that the plug sleeve 4 penetrates out of the shell, and at the same time the driving sliding groove 41 on the plug sleeve 4 cooperates with the driving protrusion 61 on the first rocker 6, the included angle between the first rocker 6 and the second rocker 7 increases, and then the plug pin assembly 8 can produce two displacements at the same time as the plug sleeve 4 moves, that is, the push handle 3 moves one stroke, and the plug pin assembly 8 can obtain two strokes; it can be seen that the stroke of the push handle 3 can be set shorter to push the plug sleeve 4 and the plug pin assembly 8 out, which reduces the space occupied by the push handle 3 when it moves, which is beneficial to reducing the product size and facilitating the miniaturization of the entire product.

[0025] Further, the push handle 3 comprises a handle 31 and a pressing rod 32 connected in sequence, the handle 31 is located outside the shell, the pressing rod 32 is slidably installed in the plug sleeve 4 along the X-axis direction, the pressing rod 32 is provided with a first limiting protrusion 321, the shell is provided with a first limiting part 22 extending along the Z-axis direction, the first limiting part 22 is provided with a first limiting groove 221 and a second limiting groove 222, when the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, the first limiting protrusion 321 abuts in the first limiting groove 221; when the driving protrusion 61 is located at the second end 412 of the driving sliding groove 41, the first limiting protrusion 321 abuts in the second limiting groove 222.

[0026] From the above description, the handle 31 is used for the user to operate the push handle 3, and through the cooperation of the first limiting protrusion 321 and the first limiting portion 22, the two limit positions of the plug sleeve 4 during movement in the shell can be locked, that is, when the first limiting protrusion 321 abuts in the first limiting groove 221, the plug sleeve 4 can be prevented from loosening when fully retracted in the shell; when the first limiting protrusion 321 abuts in the second limiting groove 222, the plug sleeve 4 can be prevented from loosening when fully extended from the shell; when the plug sleeve 4 needs to be extended or retracted, the first limiting protrusion 321 is only needed to be pressed to be separated from the first limiting portion 22.

[0027] Further, the push handle 3 is further provided with a second limiting portion 33 extending along the Z-axis direction, the second limiting portion 33 is connected with the pressing rod 32; the second limiting portion 33 is provided with a third limiting groove 331 and a fourth limiting groove 332, and the plug pin assembly 8 is provided with a second limiting protrusion 81; when the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, the second limiting protrusion 81 abuts in the third limiting groove 331; when the driving protrusion 61 is located at the second end 412 of the driving sliding groove 41, the second limiting protrusion 81 abuts in the fourth limiting groove 332.

[0028] From the above description, through the cooperation of the second limiting protrusion 81 and the second limiting portion 33, the two limit positions of the plug pin assembly 8 during movement in the plug sleeve 4 can be locked, that is, when the second limiting protrusion 81 abuts in the third limiting groove 331, the plug pin can be prevented from loosening when fully retracted in the plug sleeve 4; when the second limiting protrusion 81 abuts in the fourth limiting groove 332, the plug pin assembly 8 can be prevented from loosening when fully extended from the plug sleeve 4; pressing the handle 31 can make the second limiting protrusion 81 separate from the second limiting portion 33, so as to unlock the plug pin assembly 8.

[0029] Further, the plug pin assembly 8 is provided with an avoiding hole 82, and the avoiding hole 82 is used for avoiding the second limiting portion 33.

[0030] From the above description, the avoiding hole 82 can avoid the second limiting portion 33, so as to avoid the interference between the second limiting portion 33 and the plug pin assembly 8.

[0031] Further, the pressing rod 32 is sleeved with a compression spring at one end away from the handle 31, and the compression spring is connected with the plug sleeve 4.

[0032] As can be known from the above description, the compression spring can provide the reverse thrust for the pressing rod 32, ensure that the first limiting protrusion 321 on the pressing rod 32 can effectively abut against the first limiting portion 22, and ensure that the second limiting portion 33 can effectively abut against the second limiting protrusion 81.

[0033] Further, the outer side wall of the plug sleeve 4 is further provided with a position-avoiding groove 42 extending along the Z-axis direction, and at least a part of the first limiting portion 22 is located in the position-avoiding groove 42.

[0034] As can be known from the above description, the position-avoiding groove 42 can avoid the interference between the first limiting portion 22 and the plug sleeve 4.

[0035] Further, the driving protrusion 61 is sleeved with a bearing, and the bearing is used to abut against the side wall of the driving sliding groove 41.

[0036] As can be known from the above description, the bearing is arranged on the driving protrusion 61, which can reduce the sliding friction between the driving protrusion 61 and the side wall of the driving sliding groove 41, so that the movement of the driving protrusion 61 in the driving sliding groove 41 is more smooth.

[0037] Further, the shell is provided with a buffer 12, and the second rocker 7 is provided with a buffer portion 71 away from the plug assembly 8, when the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, the buffer portion 71 abuts against the buffer 12.

[0038] As can be known from the above description, the buffer 12 and the buffer portion 71 on the second rocker 7 abut against each other, which can reduce the risk of damage of the second rocker 7.

[0039] Further, the shell is provided with a guide sliding rod 23 extending along the Z-axis direction, and the plug sleeve 4 is slidably installed on the guide sliding rod 23.

[0040] As can be known from the above description, the guide sliding rod 23 can guide the sliding of the plug sleeve 4 in the shell, and ensure the stability of the movement of the plug sleeve 4.

[0041] Further, the fixed rod 5 is installed on the shell by screws.

[0042] As can be known from the above description, the fixed rod 5 is fixed on the shell by screws, which is convenient for installation; and the installation mode of the fixed rod 5 and the shell can be set according to actual application requirements.

[0043] Referring to FIG. 1 to FIG. 4, the embodiment one of the present application is a telescopic structure of a power converter European plug, comprising a shell, a push handle 3, a plug sleeve 4 and a plug assembly 8, the plug sleeve 4 is slidably installed in the shell along the Z-axis direction, the push handle 3 is installed on the plug sleeve 4, the plug assembly 8 is slidably installed in the plug sleeve 4 along the Z-axis direction, further comprising a fixed rod 5, a first rocker 6 and a second rocker 7 which are connected in sequence, one end of the fixed rod 5 away from the first rocker 6 is fixed on the shell, one end of the second rocker 7 away from the first rocker 6 is hinged to the plug assembly 8, the plug sleeve 4 is provided with a driving sliding groove 41, one end of the first rocker 6 away from the fixed rod 5 is provided with a driving protrusion 61, the driving protrusion 61 is slidably installed in the driving sliding groove 41; when the plug sleeve 4 slides out of the shell, the driving protrusion 61 slides from the first end 411 of the driving sliding groove 41 to the second end 412 of the driving sliding groove 41, the included angle between the first rocker 6 and the second rocker 7 increases, the second rocker 7 pushes the plug assembly 8 out of the plug sleeve 4; specifically, when the plug sleeve 4 is completely retracted into the shell and the plug assembly 8 is completely retracted into the plug sleeve 4, the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, at this time, the included angle between the first rocker 6 and the second rocker 7 is the smallest; when the plug sleeve 4 is completely exposed outside the shell and the plug assembly 8 is completely exposed outside the plug sleeve 4, the driving protrusion 61 is located at the second end 412 of the driving sliding groove 41, at this time, the included angle between the first rocker 6 and the second rocker 7 is the largest; as an option, the included angle between the first rocker 6 and the second rocker 7 ranges from 0 to 180°, the maximum value of the included angle between the first rocker 6 and the second rocker 7 can be set according to actual application requirements.

[0044] In detail, the shell comprises an upper shell 1 and a lower shell 2 connected with the upper shell 1, the lower shell 2 is provided with a plug hole for the plug sleeve 4 to pass through, the upper shell 1 is provided with an upper support 11, and the lower shell 2 is provided with a lower support 21; the fixed rod 5 is installed on the upper support 11, specifically in this embodiment, the fixed rod 5 is fixed on the upper support 11 by screws; the upper support 11 is further provided with a guide sliding rod 23 extending along the Z-axis direction, one end of the guide sliding rod 23 away from the upper support 11 is connected with the lower support 21, and the plug sleeve 4 is slidably installed on the guide sliding rod 23; the guide sliding rod 23 can guide the sliding of the plug sleeve 4 in the shell, ensuring the stability of the movement of the plug sleeve 4.

[0045] Preferably, the push handle 3 comprises a handle 31 and a pressing rod 32 connected with each other, the handle 31 is located outside the shell, the pressing rod 32 is slidably installed in the sleeve 4 along the X-axis direction, the pressing rod 32 is provided with a first limiting protrusion 321, the shell is provided with a first limiting portion 22 extending along the Z-axis direction, the first limiting portion 22 is provided with a first limiting groove 221 and a second limiting groove 222, when the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, the first limiting protrusion 321 abuts in the first limiting groove 221; when the driving protrusion 61 is located at the second end 412 of the driving sliding groove 41, the first limiting protrusion 321 abuts in the second limiting groove 222, the handle 31 is used for the user to operate the push handle 3, through the cooperation of the first limiting protrusion 321 and the first limiting portion 22, the two limit positions of the sleeve 4 moving in the shell can be locked, that is, when the first limiting protrusion 321 abuts in the first limiting groove 221, the sleeve 4 can be prevented from loosening when completely retracting in the shell; when the first limiting protrusion 321 abuts in the second limiting groove 222, the sleeve 4 can be prevented from loosening when completely extending out of the shell; when it is needed to extend or retract the sleeve 4, only the handle 31 needs to be pressed to make the first limiting protrusion 321 and the first limiting portion 22 disengage.

[0046] Specifically, the push handle 3 is further provided with a second limiting part 33 extending along the Z-axis direction, and the second limiting part 33 is connected with the pressing rod 32; the second limiting part 33 is provided with a third limiting groove 331 and a fourth limiting groove 332, and the plug pin assembly 8 is provided with a second limiting protrusion 81; when the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, the second limiting protrusion 81 is in contact with the third limiting groove 331; when the driving protrusion 61 is located at the second end 412 of the driving sliding groove 41, the second limiting protrusion 81 is in contact with the fourth limiting groove 332; it can be understood that, through the cooperation of the second limiting protrusion 81 and the second limiting part 33, the two limit positions of the plug pin assembly 8 moving in the plug sleeve 4 can be locked, that is, when the second limiting protrusion 81 is in contact with the third limiting groove 331, the plug pin can be prevented from loosening when fully retracted in the plug sleeve 4; when the second limiting protrusion 81 is in contact with the fourth limiting groove 332, the plug pin assembly 8 can be prevented from loosening when fully extended from the plug sleeve 4; pressing the handle 31 can make the second limiting protrusion 81 and the second limiting part 33 disengage, so as to unlock the plug pin assembly 8; in detail, the end of the pressing rod 32 away from the handle 31 is sleeved with a compression spring (not shown in the figure), the compression spring is connected with the plug sleeve 4, and the compression spring can provide a reverse thrust for the pressing rod 32, so as to ensure that the first limiting protrusion 321 on the pressing rod 32 can effectively contact the first limiting part 22, and ensure that the second limiting part 33 can effectively contact the second limiting protrusion 81.

[0047] Please refer to FIG. 4, the plug pin assembly 8 is provided with an avoiding hole 82, the avoiding hole 82 is used for avoiding the second limiting part 33, and the avoiding hole 82 can avoid the second limiting part 33 to avoid interference between the second limiting part 33 and the plug pin assembly 8; specifically, the outer side wall of the plug sleeve 4 is further provided with an avoiding groove 42 extending along the Z-axis direction, and at least a part of the first limiting part 22 is located in the avoiding groove 42; the avoiding groove 42 can avoid the first limiting part 22 to avoid interference between the first limiting part 22 and the plug sleeve 4.

[0048] As an option, in other embodiments, the driving protrusion 61 is further sleeved with a bearing (not shown in the figure), and the bearing is used for contacting the side wall of the driving sliding groove 41; by arranging the bearing on the driving protrusion 61, the sliding friction between the driving protrusion 61 and the side wall of the driving sliding groove 41 can be reduced, so that the movement of the driving protrusion 61 in the driving sliding groove 41 is more smooth.

[0049] Preferably, please refer to Figure 2, the shell is provided with a buffer 12, the buffer 12 is installed on the upper support 11, the second rocker 7 is provided with a buffer part 71 away from one end of the pin assembly 8, when the driving protrusion 61 is located at the first end 411 of the driving sliding groove 41, the buffer part 71 is in contact with the buffer 12, the buffer 12 and the buffer part 71 on the second rocker 7 are in contact, which can reduce the risk of damage to the second rocker 7; specifically, the buffer 12 can be a rubber soft pad or a glass screw, and the actual application requirements can be selected, which will not be described here.

[0050] In summary, the power converter European plug telescopic structure provided by the application has the characteristics of compact structure, the plug sleeve is moved out of the shell by pushing the push handle, the driving sliding groove on the plug sleeve cooperates with the driving protrusion on the first rocker, the included angle between the first rocker and the second rocker is increased, and then the pin assembly can produce two displacements while the plug sleeve moves, that is, the push handle moves one stroke, and the pin assembly can obtain two strokes; it can be seen that the stroke of the push handle can be set shorter when the plug sleeve and the pin assembly are pushed out, the space occupied by the push handle when moving is reduced, the product size is reduced, and the miniaturization of the whole product is facilitated.

[0051] The above is only an embodiment of the application, and does not limit the patent range of the application, any equivalent transformation or direct or indirect application in the related technical field by using the content of the specification and drawings of the application is also included in the patent protection range of the application.

Claims

1. A telescopic structure for a European-style plug of a power converter, comprising a housing, a push handle, a socket, and a pin assembly, wherein the socket is slidably mounted on the housing along the Z-axis, the push handle is mounted on the socket, and the pin assembly is slidably mounted on the socket along the Z-axis, characterized in that: The cam is hingedly connected to the housing at one end of the fixing rod and the second end of the fixing rod, and the cam is hingedly connected to the housing at one end of the fixing rod and the second end of the fixing rod. The cam is hingedly connected to the housing at one end of the fixing rod and the second end of the fixing rod. The cam is provided with a driving groove, and the driving protrusion is provided with a driving groove at one end of the first rocking rod. The driving protrusion can be slidably installed in the driving groove. When the sleeve slides out of the housing, the driving protrusion slides from the first end of the driving groove to the second end of the driving groove, the angle between the first rocking rod and the second rocking rod increases, and the second rocking rod pushes the pin assembly out of the sleeve.

2. The telescopic structure of the European-style plug of the power converter according to claim 1, characterized in that: The push handle includes a connected handle and a pressure rod, the handle is located on the outside of the shell, the pressure rod can be slidably installed on the sleeve along the X-axis direction, the pressure rod is provided with a first limiting protrusion, and the shell is provided with a first limiting portion extending along the Z-axis direction, the first limiting portion is provided with a first limiting groove and a second limiting groove, when the driving protrusion is located at the first end of the driving slide, the first limiting protrusion abuts against the first limiting groove; when the driving protrusion is located at the second end of the driving slide, the first limiting protrusion abuts against the second limiting groove.

3. The telescopic structure of the European-style plug of the power converter according to claim 2, characterized in that: The push handle is also provided with a second limiting portion extending along the Z-axis direction, and the second limiting portion is connected to the pressure rod; the second limiting portion is provided with a third limiting groove and a fourth limiting groove, and the pin assembly is provided with a second limiting protrusion; when the driving protrusion is located at the first end of the driving slide, the second limiting protrusion abuts against the third limiting groove; when the driving protrusion is located at the second end of the driving slide, the second limiting protrusion abuts against the fourth limiting groove.

4. The telescopic structure of the European-style plug of the power converter according to claim 3, characterized in that: The pin assembly is provided with a position-avoiding hole, and the position-avoiding hole is used for avoiding the second limiting portion.

5. The telescopic structure of the European-style plug of the power converter according to claim 2 or 3, characterized in that: One end of the pressure rod away from the handle is sleeved with a compression spring, and the compression spring is connected to the insertion sleeve.

6. The telescopic structure of the European-style plug of the power converter according to claim 2, characterized in that: The outer side wall of the insert sleeve is further provided with a avoiding groove extending along the Z-axis direction, and at least a portion of the first limiting portion is located in the avoiding groove.

7. The telescopic structure of the European-style plug of the power converter according to claim 1, characterized in that: A bearing is sleeved on the driving protrusion, and the bearing is used to abut against the side wall of the driving sliding groove.

8. The telescopic structure of the European-style plug of the power converter according to claim 1, characterized in that: A buffer is provided in the housing, and a buffer portion is provided at one end of the second rocker away from the pin assembly. When the driving protrusion is located at the first end of the driving slot, the buffer portion contacts the buffer.

9. The telescopic structure of the European-style plug of the power converter according to claim 1, characterized in that: A guide slide bar extending along the Z-axis direction is provided in the shell, and the insert sleeve can be slidably mounted on the guide slide bar.

10. The telescopic structure of the European-style plug of the power converter according to claim 1, characterized in that: The fixing rod is mounted on the housing by screws.

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