CN107221809B - Plug anti-drop self-locking mechanism and distribution socket capable of fixing plug - Google Patents
Plug anti-drop self-locking mechanism and distribution socket capable of fixing plug Download PDFInfo
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- CN107221809B CN107221809B CN201710539301.5A CN201710539301A CN107221809B CN 107221809 B CN107221809 B CN 107221809B CN 201710539301 A CN201710539301 A CN 201710539301A CN 107221809 B CN107221809 B CN 107221809B
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- Prior art keywords
- plug
- locking mechanism
- inner cavity
- locking
- self
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a plug anti-drop self-locking mechanism, which comprises a connecting frame, wherein a hollow area is arranged in the middle of the connecting frame, inner cavity channels are arranged on two sides of the hollow area, and grooves are formed in the inner cavity channels and the hollow area; the inserting piece comprises an inserting part which can be inserted into the inner cavity channel in a matching way and is limited and fixed in the inner cavity channel and a locking piece which is fixedly connected with the inserting part and extends to the hollow area through the slot. The plug anti-drop self-locking mechanism adopts the external frame as the connecting structure to form a functional component with an independent structure, and can be buckled on any standard socket, so that the plug anti-drop self-locking mechanism has great universality.
Description
Technical Field
The invention relates to the technical field of self-locking sockets, in particular to a plug anti-falling self-locking mechanism and a distribution socket capable of fixing a plug.
Background
The IEC plug of the existing power distribution unit needs to be locked to prevent unnecessary loss caused by equipment outage due to the fact that the plug suddenly drops off from the socket during operation. The existing self-locking module is used for fixing the plug-in part of the plug to be arranged outside the product, so that the occupied space is large, and the number of sockets on each PDU product is reduced.
The Chinese publication number is: the utility model discloses a swift plug anticreep self-locking mechanism of installation, including plug and socket, the plug has plug protruding portion, the socket has relative first grafting portion and the second grafting portion that sets up, still includes the jack catch, the jack catch is including first jack catch, connecting portion and the second jack catch that connect gradually, first jack catch with the tip of second jack catch has the first locking convex part that extends to the outside respectively, the middle part of first jack catch and/or the middle part of second jack catch has the plug fixed part that extends to the inboard, when the plug is inserted on the socket, first jack catch inserts first grafting portion, the second jack catch inserts second grafting portion, plug fixed part presses the plug protruding portion, first locking convex part offset with first grafting portion and second grafting portion respectively.
Although the above patent realizes plug locking, the self-locking structure mainly moves a single-side claw to fix the plug, two PDUs are usually placed side by side in a cabinet, a large number of devices and wires are required to move for a large stroke when the single-side claw is unlocked, sometimes the single-side claw can interfere with the devices beside or the power wires, and the single-side claw cannot operate, so that the locking plug is difficult to operate.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art and provides a plug anti-falling self-locking mechanism and a distribution socket capable of fixing a plug.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a plug anti-drop self-locking mechanism comprises,
the connecting frame is provided with a hollow area in the middle, inner cavity channels are arranged on two sides of the hollow area, and grooves are formed in the inner cavity channels and the hollow area;
the inserting piece comprises an inserting part which can be inserted into the inner cavity channel in a matching way and is limited and fixed in the inner cavity channel and a locking piece which is fixedly connected with the inserting part and extends to the hollow area through the slot.
The inserting piece is a U-shaped inserting piece and comprises two inserting parts at two sides and a connecting section for connecting the two inserting parts, and a notch is formed in the inner side of the middle of the connecting section.
The two U-shaped inserting pieces are inserted from two sides of the connecting frame respectively.
The inner end of the inner cavity channel and the end part of the plug-in part are provided with locking mechanisms.
The locking mechanism comprises a lock hook formed at the inner end part of the plug-in part and a limit protrusion which is arranged at the inner end of the inner cavity channel in a matching way and corresponds to the lock hook.
The front side of the lock hook is an inclined plane, the rear side of the lock hook is a vertical plane, an anti-falling table is formed on the outer side of the inner cavity channel, the outer side of the anti-falling table is an inclined plane, and the inner side of the anti-falling table is a vertical plane.
The part of the inner cavity channel outside the limiting bulge is a horn mouth which is gradually increased in the thickness direction of the locking plate so as to facilitate the insertion of the inserting part, and the height of the inner cavity channel part inside the limiting bulge is matched with the height of the inserting part.
The distribution socket capable of fixing the plug is characterized by comprising a shell, a plurality of unit socket modules fixedly connected with the shell, and plug anti-falling self-locking mechanisms fixedly connected with the unit socket modules in one-to-one correspondence, wherein the locking plates lock the plugs connected with the unit socket modules.
The periphery of the bottom surface of the connecting frame is provided with a plurality of hooks corresponding to the upper frame edge of the unit socket module, and the upper panel of the shell is provided with a yielding opening corresponding to the hooks.
Compared with the prior art, the invention has the beneficial effects that:
the plug anti-drop self-locking mechanism adopts the external frame as a connecting structure to form a functional component with an independent structure, can be buckled on any standard socket, and has great universality, for example, the plug anti-drop self-locking mechanism is buckled with a standard C13 module on the market to form a new module. Meanwhile, the plug-in piece is arranged inside the connecting frame, higher reliability is achieved when the plug is pulled out upwards with force, the situation that the plug-in piece pops out and the like cannot occur, the space is greatly saved when the plug-in piece is assembled inside the connecting frame, and the number of socket positions on each PDU product is improved.
Drawings
Fig. 1 is a schematic view showing a separated state of a plug anti-falling self-locking structure of the invention.
Fig. 2 is a schematic diagram showing a half-inserted state of the plug anti-drop self-locking structure of the present invention.
Fig. 3 is a schematic view showing a locking state of the plug anti-falling self-locking structure of the invention.
Fig. 4 is a schematic cross-sectional view of fig. 3.
FIG. 5 is an assembled schematic view of the plug anti-drop self-locking mechanism;
FIG. 6 is an enlarged schematic view of a portion of a connection;
fig. 7 is a schematic view showing a use state.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in the figure, the invention discloses a plug anti-drop self-locking mechanism, which comprises,
the connecting frame 1 is provided with a hollow area 11 in the middle, and inner cavity channels 13 are arranged on two sides of the hollow area and are communicated with the hollow area through grooves 12, wherein the inner cavity channels are through holes or openings allowing a plug to pass through, and the connecting frame is of a square structure in general;
the insert 2 comprises an insert part 21 which can be inserted into the inner cavity channel in a matching way and is not limited and fixed in the inner cavity channel, and a locking plate 22 which is fixedly connected with the insert part and extends to a hollow area through the slot 12. The plug-in part is in a square rod, round rod or sheet-shaped structure, and the locking plate axially extends synchronously relative to the plug-in part and is integrally formed at the top, middle or bottom of the plug-in part.
The plug anti-drop self-locking mechanism adopts the external frame as a connecting structure to form a functional component with an independent structure, can be buckled on any standard socket, and has great universality, for example, the plug anti-drop self-locking mechanism is buckled with a standard C13 module on the market to form a new module. Meanwhile, the plug-in piece is arranged inside the connecting frame, higher reliability is achieved when the plug is pulled out upwards with force, the situation that the plug-in piece pops out and the like cannot occur, the space is greatly saved when the plug-in piece is assembled inside the connecting frame, and the number of socket positions on each PDU product is improved.
Example 1
As shown in the figure, the embodiment discloses a plug anti-falling self-locking mechanism, which comprises a square connecting frame 1 and two U-shaped inserting sheets 2, wherein a hollow area 11 for a plug to pass through is arranged in the middle of the connecting frame 1, inner cavity channels 13 are arranged on two opposite sides of the connecting frame, and the inner cavity channels are communicated with the hollow area through grooves 12; the plug comprises a plug-in part 21 and a locking piece 22, the plug-in part 21 is inserted into the inner cavity channel 13 in a matched mode and is limited and fixed in the inner cavity channel, the locking piece 22 for fixing the plug penetrates through the slot and extends to the hollow area 11 to interfere with the step of the plug to form locking, so that the plug 50 cannot fall off, and the step is formed on the main body of the plug, which is similar to the prior art and is not described herein. Preferably, the contact positions of the locking plates and the steps of the plug are positioned at four corners of the plug, and a four-point positioning mode is adopted. The cross section of plug is square that the four corners is circular arc or sharp chamfer, simultaneously, the hollow region also be the square that corresponds four corners for circular arc or sharp chamfer structure, and connecting frame is square structure and middle part hollow region be the structure that has circular arc chamfer or sharp chamfer, locking plate and grafting portion constitute L template structure, riser as grafting portion, and the diaphragm constitutes the locking plate, then the diaphragm can constitute the interference with the step of plug after inserting.
The U-shaped inserting piece comprises two inserting parts at two sides and a connecting section 24 for connecting the two inserting parts, the connecting frame is inserted from two sides respectively, namely, the two U-shaped inserting pieces can realize synchronous locking at two sides of a plug and ensure a plug connection state, the U-shaped inserting pieces are two and adopt a two-side moving mode, the stroke of unlocking to be operated is reduced, the U-shaped inserting piece is clamped at four corners of the plug, four-point positioning is firm and stable, the stroke is about 1/3 of the stroke of a claw moving at one side, and the problems that the U-shaped inserting piece can interfere with equipment beside and cannot be operated and the like are avoided due to the reduction of the operation stroke.
Of course, for the invention, because the U-shaped inserting piece can also adopt a single-side inserting mode, for example, the single-side inserting is arranged at a larger space on the outer side, and the flexibility of the product design can be further improved by matching with the two-side inserting.
The locking mechanism comprises a lock hook formed at the inner end of the plug-in part and a limiting protrusion arranged at the inner end of the inner cavity channel in a matched manner and corresponding to the lock hook, wherein the cross section of the limiting protrusion is triangular or spherical, namely, two sides are inclined planes or arc surfaces, as one specific implementation mode, the protruding direction of the lock hook faces the side of the hollow area, so that the vibration in the pulling-out or inserting direction does not influence the locking effect, or the protruding direction of the lock hook is the side of the pulling-out direction of the plug, the locking mechanism is ensured not to be pulled out by compressing the prestress of the plug, and the locking effect is further improved only by downwards compressing the socket.
Second embodiment
The main body structure of the embodiment is the same as that of the first embodiment, the connector comprises a connecting frame and a U-shaped inserting piece, an anti-falling table is formed on the outer side of an inner cavity channel for improving the inserting effect and the performance of a product on the basis of the structural characteristics, the outer side of the anti-falling table is an inclined surface, the inner side is a vertical surface, the front side of a lock hook is an inclined surface, the rear side of the lock hook is a vertical surface, the inner side and the outer side are described by taking the inlet side of the inner cavity channel as the outside, and the end part or the center of the inner cavity channel as the inner side.
When the inserting piece is inserted into the connecting frame, the inner inclined surface guide enables the lock hook to deform so as to be inserted into the inner cavity channel, after the inserting piece is inserted, the two vertical faces become opposite faces, and the inserting piece moves outwards more tightly, so that the inserting piece cannot be separated. The inserted sheet passes through anticreep platform structural design, can not drop, has avoided the problem point that the inserted sheet was lost.
Third embodiment
The main body structure of the specific embodiment is the same as that of the first or second specific embodiment, the main body structure of the specific embodiment also comprises a connecting frame and a U-shaped inserting piece, on the basis of the structural characteristics, a notch 23 is formed on the inner side of the middle part of the connecting section of the U-shaped inserting piece for improving the inserting effect and the performance of a product, meanwhile, the two inserting parts are folded inwards to form an inner splayed structure, because the locking hooks at the end parts of the inserting parts exist, only the end parts are rubbed in the inserting process, the friction between the other parts of the inserting rod and the inner wall surface of an inner cavity channel is reduced, the smoothness of the operation of the inserting piece in a module is improved, and the friction is reduced.
Further, the part of the inner cavity channel 13 outside the limiting protrusion is a horn mouth which is gradually increased in the thickness direction of the locking plate so as to facilitate the insertion of the inserting part, and the height of the part of the inner cavity channel inside the limiting protrusion is matched with the height of the inserting part. The limiting bulge is used as a turning point, the guiding space before reaching the limiting bulge is large when the lock plug is operated, friction force in the front section is small through gradual reduction of the guiding space, the effect of the limiting bulge and the lock hook forms feedback, when the friction force is increased after the friction force passes over the point, after the connecting edge of the connecting frame is correspondingly inserted into the notch of the inserting sheet, the inserting part also enters the locking position, and meanwhile, double feedback of hand feeling and vision is provided, interaction between a user and a product is improved, and use feeling is enhanced.
Fourth embodiment
The embodiment discloses a distribution socket capable of fixing plugs, which comprises a shell, such as a PDU shell, a plurality of unit socket modules 30 fixed on a PDU shell panel 40, and plug anti-drop self-locking mechanisms fixedly connected with the unit socket modules 30 in one-to-one correspondence, wherein four hooks 14 are arranged on the periphery of the bottom surface of a connecting frame 1, and a yielding opening corresponding to the hooks is formed on the upper panel of the shell. The edge of the unit socket module 30 is clamped by the clamping hooks 14 to form clamping fixation, then the unit socket module 30 is fixedly connected with the shell by the connecting clamping hooks 31, and meanwhile, the yielding hole on the upper panel can form jacking limit to the outer side surface of the clamping hook, and the clamping hook is clamped on the panel after the socket module, in particular the plug anti-falling self-locking mechanism disclosed by the invention is fastened and assembled on the panel, so that the plug cannot fall off. That is, the fixing of the connection frame 10, the unit socket module 30 and the PDU housing upper panel 40 is completed, and the structure realizes the assembly of the insert sheet 2 to the product, saves space, and effectively increases the number of sockets on each PDU product. The plug anti-drop self-locking mechanism is of an independent structure, can be suitable for any standard socket, and has great universality. Other types of connection between the connection frame and the unit socket module may be used, such as welding or other types of clamping.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (9)
1. A plug anti-drop self-locking mechanism is characterized by comprising,
the connecting frame is provided with a hollow area in the middle, inner cavity channels are arranged on two sides of the hollow area, and grooves are formed in the inner cavity channels and the hollow area;
the inserting piece comprises an inserting part which can be inserted into the inner cavity channel in a matched mode and is limited and fixed in the inner cavity channel, and a locking piece which is fixedly connected with the inserting part and penetrates through the slot to extend to a hollow area, wherein the locking piece and the inserting part form an L-shaped plate structure, a vertical plate is used as the inserting part, a locking piece is formed by a transverse plate, the transverse plate can be interfered with a step of a plug after being inserted, and the contact position of the locking piece and the step of the plug is located at four corners of the plug in a four-point positioning mode.
2. The plug anti-falling self-locking mechanism according to claim 1, wherein the plug-in sheet is a U-shaped plug-in sheet, and comprises two plug-in parts on two sides and a connecting section for connecting the two plug-in parts, and a notch is formed on the inner side of the middle part of the connecting section.
3. The plug anti-falling self-locking mechanism according to claim 2, wherein the number of the U-shaped inserting pieces is two, and the U-shaped inserting pieces are respectively inserted from two sides of the connecting frame.
4. The plug anti-drop self-locking mechanism according to claim 1, wherein the inner end of the cavity channel and the end of the plug-in part are formed with locking mechanisms.
5. The plug anti-disengagement self-locking mechanism of claim 4, wherein the locking mechanism comprises a latch hook formed at the inner end of the plug-in part, and a limit protrusion which is arranged at the inner end of the inner cavity channel in a matching way and corresponds to the latch hook.
6. The plug anti-disengagement self-locking mechanism of claim 5, wherein the front side of the latch hook is an inclined plane, the rear side of the latch hook is a vertical plane, an anti-disengagement table is formed on the outer side of the inner cavity channel, the outer side of the anti-disengagement table is an inclined plane, and the inner side of the anti-disengagement table is a vertical plane.
7. The plug anti-falling self-locking mechanism according to claim 5, wherein the part of the inner cavity channel outside the limiting protrusion is a horn mouth which is gradually increased in the thickness direction of the locking plate so as to facilitate the insertion of the plug-in part, and the height of the inner cavity channel part inside the limiting protrusion is matched with the height of the plug-in part.
8. A distribution socket capable of fixing plugs, which is characterized by comprising a shell, a plurality of unit socket modules fixedly connected with the shell, and a plug anti-falling self-locking mechanism as claimed in any one of claims 1-7 fixedly connected with the unit socket modules in one-to-one correspondence, wherein the locking plate locks plugs connected with the unit socket modules.
9. The plug-fixable dispensing socket of claim 8 wherein a plurality of hooks corresponding to the upper frame edge of said unit socket module are provided around the bottom surface of the connection frame, and a vent corresponding to said hooks is formed in the upper panel of said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539301.5A CN107221809B (en) | 2017-07-04 | 2017-07-04 | Plug anti-drop self-locking mechanism and distribution socket capable of fixing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539301.5A CN107221809B (en) | 2017-07-04 | 2017-07-04 | Plug anti-drop self-locking mechanism and distribution socket capable of fixing plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221809A CN107221809A (en) | 2017-09-29 |
| CN107221809B true CN107221809B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710539301.5A Active CN107221809B (en) | 2017-07-04 | 2017-07-04 | Plug anti-drop self-locking mechanism and distribution socket capable of fixing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107221809B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854609A (en) * | 2019-03-29 | 2019-06-07 | 福建蓝帽子互动娱乐科技股份有限公司 | A kind of self-locking structure |
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| US5277411A (en) * | 1992-08-07 | 1994-01-11 | United Technologies Automotive, Inc. | Slide actuated holding clamp |
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| CN107221809A (en) | 2017-09-29 |
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