Round multinational conversion shell

By using a circular multi-country adapter shell design, lever principles and bolt structures are employed to achieve convenient fixation and protection of multi-country plugs, solving the problem of large and complex existing multi-country adapter shells and improving portability.

CN223956924UActive Publication Date: 2026-02-27DONGGUAN YAQI HARDWARE & PLASTIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520306485.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-27
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing convertible shells from various countries are bulky and complex, taking up a lot of luggage space and making them difficult to carry.

Method used

A circular multi-country conversion housing was designed. The lever principle of the first rotating shaft, the second rotating shaft, the positioning groove and the positioning block is used to realize the convenient fixation of the components. Combined with the structure of bolt column, bolt hole, limit block and limit groove, the pins are protected and fixed.

Benefits of technology

It achieves convenient fixation and protection for multi-national plugs, reduces the size of the outer shell, and improves portability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223956924U_ABST
    Figure CN223956924U_ABST
Patent Text Reader

Abstract

The utility model discloses a circular multinational conversion shell which comprises a shell body movably connected above a bottom frame, an external part movably connected above the shell body, an elliptical groove formed above the shell body, a bolt hole formed in the top of the external part, an elliptical extension shell fixedly connected to the front side of the lower portion of the external part, and a bolt hole formed in the front side of the lower portion of the elliptical extension shell. And the elliptical extension shell is movably connected with the elliptical groove. Through a first rotating shaft, a second rotating shaft, a positioning groove and a positioning block, a user can push a top plate in a clamping groove, the first rotating shaft is used for driving a supporting plate to incline backwards, the middle of the supporting plate is rotationally connected with the second rotating shaft, the lever principle is achieved, the bottom of the supporting plate moves forwards, and therefore the positioning block is driven to move towards the interior of an oval extending shell; and after the elliptical extension shell is matched with the elliptical groove, a user can loosen the top plate, and resetting of the positioning block is completed through the spring at the tail end of the top plate.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circular multi-country conversion, in particular to a circular multi-country conversion shell. BACKGROUND

[0002] With the continuous development of social economy, people go abroad for travel, business trip and other affairs more and more frequently, so some corresponding communication equipment or electrical appliances need to be carried before going abroad to facilitate travel, such as notebook computers, mobile phones, MP3 and other electronic products, these electronic products are all power consumption products, so it is necessary to prepare the matching adapter for use when power is insufficient, because the communication interfaces of countries in the world adopt different standards, such as American, Italian, Chinese and European and other regions of the socket, when the electronic goods are moved frequently in today's society, the problem of not being able to use will occur when they are used in other countries.

[0003] The multi-country conversion shell needs to accommodate a variety of different national standard plugs, which makes its volume usually much larger than that of ordinary single-country socket shell. For example, in order to be able to insert a variety of plugs such as European, American, Chinese and other plugs at the same time, the shell size may be bloated and complex. When traveling or carrying out, it will occupy more luggage space, which is not very convenient, therefore we propose a circular multi-country conversion shell to solve the above problems. SUMMARY

[0004] The utility model discloses a circular multi-country conversion shell, first pivot, second pivot, positioning groove and positioning block, and the user can push the top plate in the clamping groove, and the first pivot drives the back inclination of the supporting plate, the second pivot is rotationally connected to the middle part of the supporting plate, the lever principle is realized, the bottom of the supporting plate will move forward, thereby driving the positioning block to move to the inside of the oval extension shell.

[0005] In order to achieve the above object, a circular multi-country conversion shell is provided, which comprises a chassis, a shell movably connected above the chassis, an external part movably connected above the shell, an oval groove formed in the upper part of the shell, a latch hole formed in the top of the external part, an oval extension shell fixedly connected to the front lower side of the external part, the oval extension shell movably connected with the oval groove, a clamping groove formed in the front upper end of the oval extension shell, a top plate slidably connected in the clamping groove, a spring fixedly connected to the end of the top plate and the inner wall of the oval extension shell, a first rotating shaft fixedly connected to the two sides of the end of the top plate, a support plate rotatably connected to the two ends of the first rotating shaft, a second rotating shaft rotatably connected to the middle part of the support plate, the second rotating shaft fixedly connected to the inner wall of the oval extension shell, a third rotating shaft rotatably connected to the two sides of the end of the support plate away from the first rotating shaft, a positioning block fixedly connected to the middle part of the third rotating shaft, the positioning block slidably connected with the oval extension shell, and a ball latch fixedly connected to the rear lower side of the external part.

[0006] According to the circular multi-country conversion shell, positioning grooves are formed in the two sides of the inner wall of the oval groove, and bolts are threadedly connected in the internal of the bolt holes.

[0007] According to the circular multi-country conversion shell, a ball clamping groove is formed in the rear upper side of the shell, and the ball latch is movably connected with the ball clamping groove.

[0008] According to the circular multi-country conversion shell, a first plug is fixedly connected to the middle lower part of the oval extension shell, and a limiting hole is formed in the middle lower part of the oval groove.

[0009] According to the circular multi-country conversion shell, the limiting hole is movably connected with the first plug, a plurality of limiting grooves are formed in the outer side of the shell, and a base is fixedly connected to the front upper part of the chassis.

[0010] According to the circular multi-country conversion shell, the base is in abutting fit with the top of the first plug, and a bolt column is fixedly connected to the two sides of the chassis near the base.

[0011] According to the circular multi-country conversion shell, the top of the bolt column is in abutting fit with the bolt hole, a plurality of second plugs are arranged in the internal of the chassis, and a fixed block is fixedly connected to the top of the second plug.

[0012] According to the circular multi-country conversion shell, a limiting block is fixedly connected to the outer side of the fixed block, the limiting block is slidably connected with the limiting groove, and a support column is fixedly connected to the middle part of the chassis.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a first rotation axis, second rotation axis, positioning groove and locating block are set up, and the user can push the top board in the clamping groove, and the first rotation axis drives the backward inclination of the supporting plate, the middle part of the supporting plate is rotatably connected with the second rotation axis, realizes the lever principle, and the bottom of the supporting plate will move forward, thereby driving the locating block to move to the inside of the oval extension shell, when the oval extension shell cooperates with the oval groove, the user can release the top board, and the spring at the end of the top board resets the locating block, thereby clamping between the positioning groove, and the fixing of the component is completed through the convenient mode, and the cooperation and connection between the external component and the shell are realized.

[0015] The utility model discloses a bolt column, bolt hole, bolt, limit block and limit groove are set up, and the fixing is completed through the bolt column, bolt hole and bolt, prevents the electric element in the shell from being exposed, because the outside of the shell is provided with the limit groove, so can through the artificial movement specific limit block, and the movement of the fixed block and the second inserted pin is completed, realizes the acquisition of power supply, and because the oval groove is seted up on the top of the shell, and the limit hole is seted up at the bottom of the oval groove, can first inserted pin through limit hole enter to the base in the bottom frame, and the protection between first inserted pin is completed.

[0016] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further explained below in combination with the drawings and examples;

[0018] Figure 1 It is the overall structure schematic diagram of a kind of circular multi-country conversion shell of the utility model;

[0019] Figure 2 It is the front view of a kind of circular multi-country conversion shell of the utility model;

[0020] Figure 3 It is the left side sectional view of a kind of circular multi-country conversion shell of the utility model;

[0021] Figure 4 It is the combined structure schematic diagram of a kind of circular multi-country conversion shell of the utility model;

[0022] Figure 5 It is the partial sectional view of the oval extension shell of a kind of circular multi-country conversion shell of the utility model.

[0023] In the figure: 1, the chassis; 2, the shell; 3, the external part; 4, the oval extension shell; 5, the first pin; 6, the bolt column; 7, the bolt hole; 8, the limiting hole; 9, the limiting groove; 10, the bolt; 11, the top plate; 12, the bolt hole; 13, the support column; 14, the second pin; 15, the fixed block; 16, the limiting block; 17, the clamping groove; 18, the positioning groove; 19, the positioning block; 20, the third rotating shaft; 21, the second rotating shaft; 22, the spring; 23, the support plate; 24, the first rotating shaft; 25, the ball type bolt; 26, the ball type clamping groove; 27, the oval type groove; 28, the base. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a circular multi-country conversion shell, including chassis 1, the upper side of chassis 1 is movably connected with shell 2, for protecting the electronic component in chassis 1, the upper side of shell 2 is movably connected with external part 3, the upper side of shell 2 is equipped with oval type groove 27, the top of external part 3 is equipped with bolt hole 12, the lower side of external part 3 is fixedly connected with oval extension shell 4, oval extension shell 4 is movably connected between oval type groove 27, the front upper end of oval extension shell 4 is equipped with clamping groove 17, clamping groove 17 is slidably connected with top plate 11 in its interior, the end of top plate 11 is fixedly connected with spring 22, for the reset of top plate 11, the completion position is fixed, one end of spring 22 and the inner wall of oval extension shell 4 are fixedly connected, the end of top plate 11 is fixedly connected with first rotating shaft 24 on both sides, for the rotation of support plate 23, the both ends of first rotating shaft 24 are rotatably connected with support plate 23, the middle part of support plate 23 is rotatably connected with second rotating shaft 21, for the fixation of support plate 23, realize the realization of lever principle, second rotating shaft 21 and the inner wall of oval extension shell 4 are fixedly connected, the end of support plate 23 away from first rotating shaft 24 is rotatably connected with third rotating shaft 20 on both sides, the middle part of third rotating shaft 20 is fixedly connected with positioning block 19, positioning block 19 is slidably connected between oval extension shell 4, the lower side of external part 3 is fixedly connected with ball type bolt 25, realize the close connection between external part 3 and shell 2.

[0026] The inner wall of the elliptical groove 27 is provided with positioning grooves 18 on both sides, which are matched with positioning blocks 19, bolt holes 7 are provided on the lower sides of the elliptical groove 27, the bolt holes 7 are internally threadedly connected with bolts 10, the fixing between the shell 2 and the chassis 1 is completed, a spherical clamping groove 26 is provided on the upper rear side of the shell 2, the spherical clamping groove 26 is movably connected with a spherical bolt 25, the first pin 5 is fixedly connected to the lower middle part of the elliptical extension shell 4, a limiting hole 8 is provided on the lower middle part of the elliptical groove 27, the limiting hole 8 is movably connected with the first pin 5, a plurality of limiting grooves 9 are arranged on the outer side of the shell 2 and are used for limiting the position of the second pin 14, a base 28 is fixedly connected to the upper front part of the chassis 1, the base 28 is in abutting engagement with the top of the first pin 5, bolt columns 6 are fixedly connected to the upper sides of the chassis 1 close to the base 28, the top of the bolt column 6 is in abutting engagement with the bolt hole 7, a plurality of second pins 14 are arranged in the chassis 1, the top of the second pin 14 is fixedly connected with a fixed block 15, the outer side of the fixed block 15 is fixedly connected with a limiting block 16, the limiting block 16 is slidably connected with the limiting groove 9, the limiting of the second pin 14 is realized, a support column 13 is fixedly connected to the middle part of the chassis 1 and is used for fixing and supporting the shell 2.

[0027] Working principle: when working, the chassis 1 and the shell 2 are fixed through the bolt column 6, the bolt hole 7 and the bolt 10, the electrical elements in the shell 2 are prevented from being exposed, since the outer side of the shell 2 is provided with the limiting groove 9, a specific limiting block 16 can be manually moved to move the fixed block 15 and the second pin 14, the power supply is obtained, at the same time, since the upper side of the shell 2 is provided with the elliptical groove 27 and the bottom of the elliptical groove 27 is provided with the limiting hole 8, the first pin 5 can be put into the base 28 in the chassis 1 through the limiting hole 8, the protection between the first pins 5 is completed, the user can push the top plate 11 in the clamping groove 17, the support plate 23 is driven to be rear-inclined by the first rotating shaft 24, since the middle part of the support plate 23 is rotatably connected with the second rotating shaft 21, the lever principle is realized, the bottom of the support plate 23 is moved forward, thereby driving the positioning block 19 to move into the elliptical extension shell 4, after the elliptical extension shell 4 is matched with the elliptical groove 27, the user can release the top plate 11, the positioning block 19 is reset by the spring 22 at the end of the top plate 11, thereby being clamped with the positioning groove 18, and the lower side of the external component 2 is fixedly connected with the spherical bolt 25 to be clamped with the spherical clamping groove 26, the matching connection between the external component 3 and the shell 2 is realized.

[0028] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A circular multi-national conversion housing, comprising a base frame (1), characterized in that, A housing (2) is movably connected above the base frame (1), and an outer component (3) is movably connected above the housing (2). An elliptical groove (27) is provided above the housing (2), and a pin hole (12) is provided at the top of the outer component (3). An elliptical extension shell (4) is fixedly connected to the lower front side of the outer component (3). The elliptical extension shell (4) is movably connected to the elliptical groove (27). A slot (17) is provided at the upper front end of the elliptical extension shell (4). A top plate (11) is slidably connected inside the slot (17). A spring (22) is fixedly connected to the end of the top plate (11). One end of the spring (22) is connected to the elliptical extension shell (27). 4) The inner wall is fixedly connected, the top plate (11) is fixedly connected to the two ends of the first rotating shaft (24), the two ends of the first rotating shaft (24) are rotatably connected to the support plate (23), the middle of the support plate (23) is rotatably connected to the second rotating shaft (21), the second rotating shaft (21) is fixedly connected to the inner wall of the elliptical extension shell (4), the two ends of the support plate (23) away from the first rotating shaft (24) are rotatably connected to the third rotating shaft (20), the middle of the third rotating shaft (20) is fixedly connected to the positioning block (19), the positioning block (19) is slidably connected to the elliptical extension shell (4), and the lower rear side of the outer component (3) is fixedly connected to the ball pin (25).

2. The circular multi-country convertible shell as described in claim 1, characterized in that: The inner walls of the elliptical groove (27) are provided with positioning grooves (18) on both sides, and bolt holes (7) are provided on both sides below the elliptical groove (27). Bolts (10) are threaded into the bolt holes (7).

3. A circular multi-country convertible shell as described in claim 2, characterized in that: A spherical slot (26) is provided on the upper rear side of the housing (2), and the spherical pin (25) is movably connected to the spherical slot (26).

4. A circular multi-country convertible shell as described in claim 3, characterized in that: The lower center of the elliptical extended shell (4) is fixedly connected to a first pin (5), and the lower center of the elliptical groove (27) is provided with a limiting hole (8).

5. A circular multi-country convertible shell as described in claim 4, characterized in that: The limiting hole (8) is movably connected to the first pin (5), and several limiting grooves (9) are provided on the outer side of the housing (2). A base (28) is fixedly connected to the upper front of the base frame (1).

6. A circular multi-country convertible shell as described in claim 5, characterized in that: The base (28) abuts against the top of the first pin (5), and bolt columns (6) are fixedly connected to the upper sides of the base (1) near the base (28).

7. A circular multi-country convertible shell as described in claim 6, characterized in that: The top of the bolt column (6) abuts against the bolt hole (7), and the base frame (1) is provided with several second pins (14), and the top of the second pins (14) is fixedly connected to a fixing block (15).

8. A circular multi-country convertible shell as described in claim 7, characterized in that: A limiting block (16) is fixedly connected to the outside of the fixed block (15), and the limiting block (16) is slidably connected to the limiting groove (9). A support column (13) is fixedly connected to the middle of the base frame (1).