Two-plug protection door mechanism and socket

Abstract

The utility model discloses a two-pin protection door mechanism and a socket, the two-pin protection door mechanism comprises a panel, a rear cover arranged on the panel, a protection door, a cylindrical spring and a blocking structure, and the panel is provided with two plugging holes for a two-pin plug to be plugged in; the protection door is slidably arranged between the panel and the rear cover, the protection door is provided with an inclined plane which can be matched with the two-pin plug, and the protection door can slide to a position where the plugging hole is opened or shielded; the cylindrical spring is arranged between the protection door and the panel and can reset the protection door to the position where the plugging hole is shielded. The blocking structure is arranged between the protection door and the panel and / or the rear cover; when the protection door deviates from the horizontal position, the cylindrical spring can be twisted, the cylindrical spring generates elastic torsion which enables the protection door to reset to the horizontal position, and when a misplug object is taken out, the protection door can automatically reset to the horizontal position, so that the socket can be normally plugged and used next time conveniently, and the use convenience of the two-plug socket with the protection door can be improved.

Description

Technical Field

[0001] The utility model relates to the field of switches and sockets, in particular to a two-plug protection door mechanism and a socket. Background Art

[0002] Current sockets are generally equipped with a protective door. When a plug is inserted, the protective door can be pushed to move to open the socket hole. When not in use, the protective door moves to cover the socket hole, thereby improving the safety of socket use.

[0003] The protective door of a two-prong socket is generally set to a swingable structure. The protective door can only be opened when the two-pin plugs need to be inserted in parallel. When only one socket hole is inserted, the protective door swings and cooperates with the blocking structure to limit the movement and opening of the protective door, thereby improving the safety of using the two-prong socket.

[0004] However, after the two-prong socket is tilted, the protective door will not return to the original position even if the corresponding plug is pulled out. That is, the two-prong socket remains tilted. When a normal two-pin plug is inserted, it is very easy for the two-pin plug to tilt sideways along with the protective door, making it impossible to open the protective door, or requiring a large push to insert the plug, which is very inconvenient to use. Utility Model Content

[0005] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides a two-plug protection door mechanism, which can improve the convenience of using a two-plug socket with a protection door.

[0006] The utility model also provides a socket.

[0007] According to the two-plug protection door mechanism of the first embodiment of the present invention, it includes a panel, a back cover, a protection door, a cylindrical spring and a blocking structure, wherein the panel is provided with two plug holes for inserting two-pin plugs; the back cover is provided on the panel; the protection door is slidably provided between the panel and the back cover, the protection door is provided with an inclined surface capable of cooperating with the two-pin plug, and the protection door can slide to a position of opening or covering the plug holes; the cylindrical spring is provided between the protection door and the panel and can reset the protection door to a position of covering the plug holes; the blocking structure is provided between the protection door and the panel and / or the back cover, and when the blocking structure is triggered, it can prevent the protection door from sliding in the direction of opening the plug holes;

[0008] The rear cover is provided with a support portion capable of supporting the middle portion of the protective door, and the protective door can swing along the support portion to both sides of the support portion and deviate from the horizontal position, and the blocking structure can be triggered when the protective door deviates from the horizontal position by a set angle;

[0009] The two ends of the cylindrical spring are respectively provided with limiting pins, the protection door and the panel are respectively provided with limiting grooves corresponding to the limiting pins, the limiting pins at the two ends of the cylindrical spring can be respectively clamped into the limiting grooves of the protection door and the panel, and the protection door can be twisted by cooperation of the limiting grooves and the limiting pins when deviating from the horizontal position, so that the cylindrical spring generates elastic torsion force to reset the protection door to the horizontal position.

[0010] The two-insert protection door mechanism has at least the following beneficial effects: the cylindrical spring can be twisted when the protection door deviates from the horizontal position, the protection door can be automatically reset to the horizontal position when the misinserted object is taken out, the next normal plug-in use of the socket is facilitated, and the convenience of using the two-insert socket with the protection door is improved.

[0011] According to some embodiments of the utility model, the protection door is provided with a first positioning column capable of being inserted into the inner hole of the cylindrical spring, and the limiting groove is arranged on the first positioning column and extends along the axial direction of the first positioning column.

[0012] According to some embodiments of the utility model, the protection door is provided with a mounting groove distributed around the root part of the first positioning column, and the spring ring at the end of the cylindrical spring can be placed into the mounting groove.

[0013] According to some embodiments of the utility model, the panel is provided with a second positioning column capable of being inserted into the inner hole of the cylindrical spring, and the limiting groove is arranged on the second positioning column and extends along the axial direction of the second positioning column.

[0014] According to some embodiments of the utility model, the blocking structure comprises a first blocking part arranged on the protection door and a second blocking part arranged on the rear cover, when the protection door is in the horizontal position, the projection of the first blocking part and the second blocking part in the sliding direction of the protection door has a spacing, when the protection door deviates from the horizontal position by a set angle, the first blocking part moves to overlap with the projection part of the second blocking part in the sliding direction of the protection door.

[0015] According to some embodiments of the utility model, the blocking structure comprises a third blocking part arranged on the protection door and corresponding to the plug-in hole, and the third blocking part can be inserted into the plug-in hole when the protection door deviates from the horizontal position by a set angle.

[0016] According to some embodiments of the utility model, the third blocking part is formed by extending upward along the inclined surface.

[0017] According to some embodiments of the utility model, the lower part of the protection door is provided with an inner groove capable of inserting the support part, the inner groove is downwardly opened, and the inner groove is in the shape of a trapezoidal flared structure with the upper part being small and the lower part being large.

[0018] According to some embodiments of the utility model, the groove bottom of the inner groove is provided with an arc-shaped protrusion protruding downward.

[0019] According to the second aspect embodiment of the utility model, the socket comprises the two-plug protection door mechanism of any one of the first aspect embodiments of the utility model.

[0020] According to the socket of the utility model embodiment, at least has following beneficial effect: can improve the safety and reliability of socket. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0022] Figure 1 It is a structure schematic view when the two-plug protection door mechanism of the utility model embodiment is assembled.

[0023] Figure 2 It is a structure schematic view when the two-plug protection door mechanism of the utility model embodiment is disassembled.

[0024] Figure 3 It is a cooperation schematic view (bottom view) of the panel, cylindrical spring and protection door of the utility model embodiment.

[0025] Figure 4 It is a structure schematic view (bottom view) of the panel of the utility model embodiment.

[0026] Figure 5 It is a structure schematic view (upper view) of the protection door of the utility model embodiment.

[0027] Figure 6 It is a structure schematic view (bottom view) of the protection door of the utility model embodiment.

[0028] Figure 7 It is a structure schematic view of the cylindrical spring of the utility model embodiment.

[0029] Figure 8 It is a structure schematic view (upper view) of the back cover of the utility model embodiment.

[0030] Figure 9 It is a cross-section structure schematic view when the protection door of the two-plug protection door mechanism of the utility model embodiment is deflected.

[0031] Figure 10The sectional structure schematic view of the protection door mechanism of the two-insert protection door is shown in the horizontal state.

[0032] Reference signs:

[0033] The panel 100, the plug hole 101, the second positioning column 110;

[0034] The rear cover 200, the supporting part 210, the second blocking part 220;

[0035] The protection door 300, the inclined surface 301, the mounting groove 302, the inner recess 303, the arc-shaped protrusion 304, the transition step 305, the first positioning column 310, the first blocking part 320, the third blocking part 330;

[0036] The cylindrical spring 400, the limiting groove 401, the limiting pin 410. DETAILED DESCRIPTION

[0037] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0038] In the description of the present application, it should be understood that, if there is a description of the orientation, for example, the orientation or position relationship indicated by the upper, lower, front, rear, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0039] In the description of the present application, if there is a description of the first, second, only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying the relative importance of the indicated technical features, or implicitly indicating the number of the indicated technical features or the sequence of the indicated technical features.

[0040] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0041] The following will be described with reference to Figures 1 to 10 The two-insert protection door mechanism according to the embodiments of the present application is described.

[0042] As Figures 1 to 10As shown, according to the two-pin protection door mechanism of the embodiment of the utility model, including panel 100, back cover 200, protection door 300, cylindrical spring 400 and blocking structure, panel 100 is equipped with two for two-pin plug insertion's insertion hole 101;Back cover 200 is arranged in panel 100;Protection door 300 is slidably arranged between panel 100 and back cover 200, protection door 300 is provided with the inclined plane 301 that can cooperate with two-pin plug, protection door 300 can slide to the position of opening or shielding insertion hole 101;Cylindrical spring 400 is arranged between protection door 300 and panel 100, and protection door 300 can be reset to the position of shielding insertion hole 101;Blocking structure is arranged between protection door 300 and panel 100 and / or back cover 200, when the blocking structure is triggered, it can block protection door 300 from sliding to the direction of opening insertion hole 101;

[0043] Among them, back cover 200 is provided with the support part 210 that can support the middle part of protection door 300, protection door 300 can swing away from the horizontal position along the support part 210 to the both sides of support part 210, protection door 300 can trigger the blocking structure when deviating from the horizontal position by a set angle;

[0044] The both ends of cylindrical spring 400 are respectively provided with limit pin 410, and protection door 300 and panel 100 are respectively provided with limit slot 401 corresponding to limit pin 410, the limit pin 410 at both ends of cylindrical spring 400 can be respectively clamped into the limit slot 401 of protection door 300 and panel 100, and when protection door 300 deviates from the horizontal position, it can twist cylindrical spring 400 through the cooperation of limit slot 401 and limit pin 410, so that cylindrical spring 400 generates elastic torsion force to reset protection door 300 to the horizontal position.

[0045] Through the above structure, one end of cylindrical spring 400 is limited to panel 100, one end of cylindrical spring 400 is limited to protection door 300, and when protection door 300 deviates from the horizontal position, it can make cylindrical spring 400 be twisted, and cylindrical spring 400 generates elastic torsion force to reset protection door 300 to the horizontal position, and when the misplug is taken out, protection door 300 can be automatically reset to the horizontal position, so that the next normal insertion use of socket is facilitated, and the convenience of using two-pin socket with protection door can be improved.

[0046] Specifically, cylindrical spring 400 is a spiral coiled spring, which can maintain a stable state when not subjected to external force, generate an elastic force outward along the axial direction when being pressed along the axial direction, form an axial elastic force to reset protection door 300 to the position of shielding insertion hole 101, and generate a torsion force along the tangent direction when being twisted along the axial direction of the spring coil, thereby forming a torsion force to reset to the horizontal position.

[0047] In some embodiments of the utility model, cylindrical spring 400 is not twisted, protection door 300 is in horizontal state.

[0048] In some embodiments of the utility model, protection door 300 is movably arranged between panel 100 and back cover 200, and protection door 300 can slide in opening direction and swing in lateral direction.

[0049] Specifically, protection door 300 and panel 100 or back cover 200 are non-compact cooperation structure, and gap is formed at cooperation position, so that protection door 300 is loose, and protection door 300 can swing in addition to slide function, and protection door 300 can be reset to horizontal state by torsion of cylindrical spring 400.

[0050] As shown in Figure 3 , Figure 5 , Figure 6 In some embodiments of the utility model, protection door 300 is provided with first positioning column 310 that can be inserted into the hole of cylindrical spring 400, and limiting groove 401 is arranged on first positioning column 310 and extends along the axial direction of first positioning column 310, the position accuracy of cylindrical spring 400 can be improved by first positioning column 310, and one end of cylindrical spring 400 can be twisted with the swing of protection door 300 by the cooperation of limiting groove 401 and limiting pin 410.

[0051] It can be understood that, in some embodiments of the utility model, the clamping groove for inserting limiting pin 410 can also be directly arranged on protection door 300, and cylindrical spring 400 can also be twisted with the swing of protection door 300.

[0052] As shown in Figure 5 , Figure 6 In some embodiments of the utility model, protection door 300 is provided with mounting groove 302 distributed around the root of first positioning column 310, and the spring ring at the end of cylindrical spring 400 can be placed into mounting groove 302, and the positioning effect of cylindrical spring 400 is further improved.

[0053] As shown in Figure 5 , Figure 6 In some embodiments of the utility model, the end of first positioning column 310 is sharp structure, such as chamfer or round corner, to facilitate the insertion of first positioning column 310 into the spring ring at the end of cylindrical spring 400.

[0054] As shown in Figure 3 , Figure 4As shown, in some embodiments of the present invention, the panel 100 is provided with a second positioning column 110 that can be inserted into the inner hole of the cylindrical spring 400, and the limiting groove 401 is provided on the second positioning column 110 and extends along the axial direction of the second positioning column 110. The second positioning column 110 can improve the positioning accuracy of the installation of the cylindrical spring 400, and the limiting groove 401 cooperates with the limiting pin 410 to restrict the rotation of the other end of the cylindrical spring 400 (the panel 100 is not connected with the protective door 300), so that the cylindrical spring 400 can be twisted by the swing of the protective door 300.

[0055] like Figure 4 As shown, in some embodiments of the present invention, the end of the second positioning column 110 is a pointed structure, such as a chamfered or rounded corner, to facilitate the insertion of the second positioning column 110 into the spring coil at the end of the cylindrical spring 400.

[0056] like Figure 3 As shown, in some embodiments of the present invention, the first positioning column 310 and the second positioning column 110 are relatively distributed. When the protective door 300 and the panel 100 are assembled, the two ends of the cylindrical spring 400 are respectively placed in the first positioning column 310 and the second positioning column 110, and the limiting pin 410 is inserted into the limiting groove 401, thereby realizing the functions of translational reset and swing reset of the protective door 300.

[0057] like Figure 7 As shown, in some embodiments of the present invention, the limiting pin 410 is located at the end of the cylindrical spring 400 and extends inward.

[0058] like Figure 6 、 Figure 8 、 Figure 9 、 Figure 10 As shown, in some embodiments of the present invention, the blocking structure includes a first blocking portion 320 provided on the protective door 300 and a second blocking portion 220 provided on the back cover 200. When the protective door 300 is in a horizontal position, the projections of the first blocking portion 320 and the second blocking portion 220 in the sliding direction of the protective door 300 are spaced apart. When the protective door 300 deviates from the horizontal position by a set angle, the first blocking portion 320 moves to overlap with the projection of the second blocking portion 220 in the sliding direction of the protective door 300, thereby triggering the blocking structure, thereby preventing the protective door 300 from moving to open the plug hole 101, thereby achieving the function of safety protection.

[0059] Specifically, the inclined surfaces 301 of the protection door 300 are arranged at least two and oppositely on two sides of the protection door 300, when the two pins of the plug are inserted into the socket, the two pins are in contact with the inclined surfaces 301 of the protection door 300, and the pushing force on both sides of the protection door 300 is balanced, so that the protection door 300 can be kept in a horizontal state, and the two pins can normally cooperate with the inclined surfaces 301 to open the plug-in hole 101, when only one plug-in hole 101 is inserted into the plug-in object, the protection door 300 is inclined, so that the first blocking part 320 moves to overlap with the projection part of the second blocking part 220 in the sliding direction of the protection door 300, that is, even if the plug-in object cooperates with the inclined surfaces 301 to generate the pushing force, the protection door 300 will not open the plug-in hole 101 due to the influence of the blocking structure, thereby improving the safety.

[0060] As shown in Figure 5 , Figure 9 , Figure 10 indicated, in some embodiments of the utility model, the blocking structure includes a third blocking part 330 arranged on the protection door 300 and corresponding to the plug-in hole 101, when the protection door 300 deviates from the horizontal position by a set angle, the third blocking part 330 can be inserted into the plug-in hole 101, that is, the blocking structure is triggered, so that the protection door 300 is blocked from moving to open the plug-in hole 101, and the safety protection function is achieved.

[0061] As shown in Figure 5 indicated, in some embodiments of the utility model, the third blocking part 330 extends upward along the inclined surface 301, which not only can increase the area of the inclined surface 301, so that it is easier to cooperate with the pins of the plug, but also can form the blocking structure.

[0062] As shown in Figure 9 , Figure 10 indicated, in some embodiments of the utility model, the first blocking part 320 is located at the lower part of the protection door 300, and the third blocking part 330 is located at the upper part of the protection door 300, when the protection door 300 deviates from the horizontal position by a set angle, the first blocking part 320 located at the lower part of one side of the protection door 300 cooperates with the second blocking part 220 to block the sliding of the protection door 300, and the third blocking part 330 located at the upper part of the protection door 300 is inserted into the plug-in hole 101 to block the sliding of the protection door 300, so that the first blocking part 320 and the third blocking part 330 respectively block the sliding of the protection door 300 from both sides of the protection door 300, thereby balancing the state of the protection door 300 and avoiding unnecessary deviation of the protection door 300 to cause the failure of the protection door mechanism.

[0063] As shown in Figure 5 indicated, in some embodiments of the utility model, the inclined surface 301 is formed by the transition step 305 into two groups of inclined surface structures with different height positions or inclination angles, so as to adapt to at least two kinds of plug pins, and the transition step 305 can reduce the occurrence of plug-in deviation.

[0064] Specifically, the general socket is a multipurpose socket, which can be adapted to various plugs, the distance between the pins of plugs of different specifications is different, the plug-in hole 101 needs to be set to be larger, so that the pins of the plug are extremely easy to deviate when being inserted, which affects the balance of the protection plate 300, and even causes the protection plate 300 to deviate and affect the normal opening of the protection plate 300. Through the above structure, the difference of the transition step 305 can reduce the occurrence of pin deviation.

[0065] As shown in Figure 6 , Figure 9 , Figure 10 indicated, in some embodiments of the utility model, the lower part of the protection door 300 is provided with an inner groove 303 capable of inserting the supporting part 210, the inner groove 303 is downwardly open, and the inner groove 303 is in the shape of a trapezoidal flared structure, which controls the maximum deviation angle of the protection door 300, avoids the failure of the protection door 300 due to excessive deviation.

[0066] As shown in Figure 6 , Figure 9 , Figure 10 indicated, in some embodiments of the utility model, the groove bottom of the inner groove 303 is provided with an arc-shaped protrusion 304 which is downwardly protruding, the arc-shaped protrusion 304 is in abutment with the upper end face of the supporting part 210, thereby improving the flexibility of the protection door 300 deviation, and reducing the resistance when the protection door 300 slides.

[0067] The socket according to the second aspect embodiment of the utility model comprises the two-protection door mechanism of any one of the above first aspect embodiments of the utility model, which can improve the safety and reliability of the socket.

[0068] Of course, the utility model creation is not limited to the above-mentioned implementation manners, and those skilled in the art can also make equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A two-bar protection door mechanism, characterized by, The utility model relates to a two-pin protection door mechanism, comprising: a panel (100) provided with two insertion holes (101) for two-pin plugs to be inserted into; a back cover (200) provided on the panel (100); a protection door (300) slidably provided between the panel (100) and the back cover (200), the protection door (300) being provided with an inclined surface (301) capable of cooperating with the two-pin plugs, and the protection door (300) being capable of sliding to an open position or a position for shielding the insertion holes (101); a cylindrical spring (400) provided between the protection door (300) and the panel (100) and capable of resetting the protection door (300) to the position for shielding the insertion holes (101); a blocking structure provided between the protection door (300) and the panel (100) and / or the back cover (200), the blocking structure being capable of blocking the protection door (300) from sliding to the position for opening the insertion holes (101) when triggered; wherein the back cover (200) is provided with a support portion (210) capable of supporting a middle portion of the protection door (300), the protection door (300) being capable of swinging away from a horizontal position along the support portion (210) to both sides of the support portion (210), and the protection door (300) being capable of triggering the blocking structure when deviating from the horizontal position by a preset angle; both ends of the cylindrical spring (400) are provided with limiting pins (410), and the protection door (300) and the panel (100) are respectively provided with limiting grooves (401) corresponding to the limiting pins (410), the limiting pins (410) at both ends of the cylindrical spring (400) being capable of being respectively clamped into the limiting grooves (401) of the protection door (300) and the panel (100), and the protection door (300) being capable of twisting the cylindrical spring (400) by cooperation between the limiting grooves (401) and the limiting pins (410) when deviating from the horizontal position, so that the cylindrical spring (400) generates an elastic torsion force for resetting the protection door (300) to the horizontal position.

2. The two-pin protection door mechanism according to claim 1, wherein the protection door (300) is provided with a first positioning column (310) capable of being inserted into a bore of the cylindrical spring (400), and the limiting groove (401) is provided on the first positioning column (310) and extends along an axial direction of the first positioning column (310).

3. The two-pin protection door mechanism according to claim 2, wherein the protection door (300) is provided with a mounting groove (302) distributed around a root portion of the first positioning column (310), and a spring ring at an end of the cylindrical spring (400) is capable of being placed into the mounting groove (302).

4. The two-pin protection door mechanism according to claim 1, wherein The panel (100) is provided with a second positioning column (110) capable of being inserted into the inner hole of the cylindrical spring (400), and the limiting groove (401) is arranged on the second positioning column (110) and extends along the axial direction of the second positioning column (110).

5. The two-insert protection door mechanism according to claim 1, characterized in that, The blocking structure comprises a first blocking part (320) arranged on the protection door (300) and a second blocking part (220) arranged on the rear cover (200), when the protection door (300) is in a horizontal position, the projection of the first blocking part (320) and the second blocking part (220) in the sliding direction of the protection door (300) has a gap, when the protection door (300) deviates from the horizontal position by a set angle, the first blocking part (320) moves to overlap with the projection part of the second blocking part (220) in the sliding direction of the protection door (300).

6. The two-insert protection door mechanism according to claim 1, characterized in that, The blocking structure comprises a third blocking part (330) arranged on the protection door (300) and corresponding to the plug-in hole (101), when the protection door (300) deviates from the horizontal position by a set angle, the third blocking part (330) can be inserted into the plug-in hole (101).

7. The two-insert protection door mechanism according to claim 6, characterized in that, The third blocking part (330) is formed by extending obliquely upward along the inclined surface (301).

8. The two-insert protection door mechanism according to claim 1, characterized in that, The lower part of the protection door (300) is provided with an inner recess (303) capable of inserting the support part (210), the inner recess (303) is downwardly open, and the inner recess (303) is in a trapezoidal flared structure with small upper part and large lower part.

9. The two-insert protection door mechanism according to claim 8, characterized in that, The groove bottom of the inner recess (303) is provided with an arc-shaped protrusion (304) protruding downward.

10. A socket, characterized by Including: The two-insert protection door mechanism according to any one of claims 1 to 9.

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