CN108808339B

CN108808339B - Pressing plate locking device and power wiring device

Info

Publication number: CN108808339B
Application number: CN201810766065.5A
Authority: CN
Inventors: 陈志鸿; 陈钦文; 修洪江; 褚兆勇
Original assignee: Zhuhai Unitech Power Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2024-06-04
Anticipated expiration: 2038-07-12
Also published as: CN108808339A

Abstract

The invention provides a pressing plate locking device and an electric power wiring device. Wherein, clamp plate locking device includes: the shell is provided with an accommodating cavity for accommodating the binding post of the pressing plate, is formed by splicing at least two substructures, and can be separated between two adjacent substructures; and the locking assembly is connected with at least one substructure and has a locking state and an unlocking state, when the locking assembly is in the locking state, all the substructures are locked together through the locking assembly so as to enable the binding post to be locked in the accommodating cavity, and when the locking assembly is in the unlocking state, the at least two substructures are separated so as to enable the binding post to be withdrawn from the accommodating cavity. The invention solves the problem of inconvenient use of the pressing plate locking device in the prior art.

Description

Pressing plate locking device and power wiring device

Technical Field

The invention relates to the technical field of locks, in particular to a pressing plate locking device and an electric power wiring device.

Background

The connecting sheet type pressing plate is a common power wiring device and comprises two binding posts and a connecting sheet, wherein the two binding posts are fixed on a panel of the screen cabinet at intervals, one end of the connecting sheet is rotatably connected to one (movable) binding post, the other end of the connecting sheet is provided with an opening, the connecting sheet is contacted with or separated from the (static) binding post in the rotating process, the opening clamps the metal stud of the (static) binding post to be contacted, the connecting sheet is fixed by screwing a nut, the power circuit respectively connected with the two binding posts is connected, and the power circuit respectively connected with the two binding posts is cut off during the separation.

There is no effective control means for the operation of the protective device platens in the power system. When overhauling, the operation staff withdraws from the pressing plate according to the operation ticket, and then the overhauling staff operates according to experience to contrast the operation ticket pressing plate withdrawal prompting card, so that the forced locking of the pressing plate can not be realized, and the situation that the primary equipment misthrows the pressing plate to cause artificial expansion accidents occurs. The existing safety measures are that the (movable) binding post is exposed for electricity inspection operation during maintenance, the (static) binding post is insulated and isolated in a mode of winding insulating adhesive tape or sleeving insulating sleeve, the operation is complex, the forced locking of the pressing plate cannot be realized, and only a prompting effect can be achieved. The existing pressing plate forced locking needs to be installed in advance, or the pressing plate needs to be transformed and upgraded, the transformation cost is high, and part of the pressing plate forced locking needs to be installed in a power failure mode, so that the pressing plate forced locking is extremely inconvenient to use.

Disclosure of Invention

The invention mainly aims to provide a pressing plate locking device and an electric power wiring device, which are used for solving the problem that the pressing plate locking device in the prior art is inconvenient to use.

In order to achieve the above object, according to one aspect of the present invention, there is provided a platen lock device comprising: the shell is provided with an accommodating cavity for accommodating the binding post of the pressing plate, is formed by splicing at least two substructures, and can be separated between two adjacent substructures; and the locking assembly is connected with at least one substructure and has a locking state and an unlocking state, when the locking assembly is in the locking state, all the substructures are locked together through the locking assembly so as to enable the binding post to be locked in the accommodating cavity, and when the locking assembly is in the unlocking state, the at least two substructures are separated so as to enable the binding post to be withdrawn from the accommodating cavity.

Further, the shell is provided with an opening, the opening is communicated with the accommodating cavity, and a stop structure is arranged at the opening, so that the binding post extending into the accommodating cavity is in stop fit with the stop structure.

Further, the stop structure is an insert arranged at the opening, the insert extends from the substructure to the direction of the binding post, the insert is provided with a clamping groove which is connected with the binding post in a clamping mode, when the locking assembly is in a locking state, the binding post is locked in the clamping groove, and all the substructures clamp and fix the insert so as to lock the pressing plate locking device on the binding post.

Further, the substructure has a fixing groove for fixing the insert, and an edge of the insert is embedded in the fixing groove to lock the insert in the receiving cavity.

Further, the housing includes: a first housing; the first casing and the second casing pivot are connected to can dock in order to enclose into and hold the chamber, and the part of locking assembly sets up in the first casing and holds the chamber interval setting, and the part of locking assembly can stretch out in by the first casing to lock the second casing, first casing and second casing are the substructure.

Further, the second shell is provided with a pivot ring, the pivot ring is arranged in the avoidance accommodating cavity, and the first shell is provided with a pivot groove, and the pivot ring is embedded in the pivot groove so that the first shell and the second shell can rotate relatively.

Further, the pressing plate locking device further comprises a limiting block, the limiting block is provided with a protrusion, the limiting block is connected with the second shell and can synchronously rotate, the first shell is provided with a limiting groove, and the protrusion is accommodated in the limiting groove so as to control the rotation angle between the first shell and the second shell.

Further, the second shell is provided with a connecting plate, the connecting plate is provided with a clamping groove and a through hole for the protrusion to pass through, and the limiting block is further provided with a clamping hook which is clamped in the clamping groove so that the limiting block is clamped on the second shell.

Further, the pressing plate locking device further comprises a shell resetting piece, and two ends of the shell resetting piece are respectively abutted on the first shell and the second shell so as to provide resetting force for the first shell and the second shell to be separated from each other.

Further, the latch assembly includes: the lock cylinder is pivoted in the accommodating space; the lock core is connected with the lock tongue drive, and the lock core can drive the lock tongue and slide between first casing and second casing, and the part of lock tongue can be by first casing motion to second casing to make first casing and second casing joint locking.

Further, the first shell is provided with a locking hole for the locking tongue to extend out, one end of the locking tongue, which is clamped with the second shell, is provided with a guiding inclined plane, and the guiding inclined plane is arranged in a direction away from the second shell and towards a direction close to the inner wall of the locking hole.

Further, the locking assembly further comprises a lock tongue reset piece, and two ends of the lock tongue reset piece are respectively abutted on the lock tongue and the inner wall of the accommodating space so as to provide reset force for the lock tongue to extend towards the direction close to the second shell.

Further, the locking assembly further comprises a switching block, the switching block is connected with the lock cylinder, the lock tongue is provided with a groove, the switching block is arranged in the groove, when the lock cylinder drives the switching block to rotate, the switching block extrudes the inner wall of the groove, and the lock tongue exits the second shell, so that the locking assembly is unlocked.

Further, the locking assembly further comprises a fixing pin, and the lock cylinder is connected with the first shell through the fixing pin so as to axially position the lock cylinder.

Further, the locking assembly further comprises a wireless chip, and the wireless chip is arranged at the opening of the accommodating space to identify the unlocking key.

According to another aspect of the present invention, there is provided an electrical wiring device including a platen and the platen lock device described above, the platen including: a static binding post; a movable binding post; one end of the connecting piece is pivotally connected with the movable binding post, and the other end of the connecting piece is detachably connected with the static binding post so as to enable the pressing plate to be connected or disconnected, and the pressing plate locking device is detachably sleeved outside the static binding post so as to prevent the connecting piece from contacting with the static binding post.

By adopting the technical scheme of the invention, the shell with the accommodating cavity is arranged, the shell is formed by splicing the plurality of substructures, the accommodating cavity formed when the plurality of substructures are spliced can enclose the outer side of the binding post, so that the connection of the connecting sheet to the binding post is blocked, meanwhile, the locking assembly is arranged, the plurality of substructures are locked together through the locking assembly, so that the shell is fixed on the binding post, the locking of the pressing plate is realized, the pressing plate cannot be randomly operated by a worker under the condition of no authorization, the occurrence of safety accidents caused by misoperation of the pressing plate is avoided, the structure can be locked only by splicing the substructures of the shell to enclose the binding post, the structure of the pressing plate is not required to be changed, and the structure is convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

FIG. 1 shows an exploded view of the platen lock of the present invention;

FIG. 2 shows a schematic view of the first housing of the platen lock device of FIG. 1;

FIG. 3 shows a schematic view of the second housing of the platen lock device of FIG. 1;

FIG. 4 shows a schematic view of the platen lock of FIG. 1;

fig. 5 shows a schematic structural view of the power wiring device of the present invention;

FIG. 6 shows a schematic structural view of a platen of the power wiring device of FIG. 5; and

Fig. 7 is a schematic view showing an internal structure of the power wiring device in fig. 5.

Wherein the above figures include the following reference numerals:

10. a housing; 11. a receiving chamber; 12. a fixing groove; 13. a first housing; 131. a pin joint groove; 132. a limit groove; 133. an accommodation space; 134. a locking hole; 14. a second housing; 141. a pivot ring; 142. a connecting plate; 20. a latch assembly; 21. a lock core; 22. a bolt; 23. a bolt resetting piece; 24. a transfer block; 25. a fixing pin; 26. a wireless chip; 30. a stop structure; 31. a clamping groove; 40. a limiting block; 41. a protrusion; 50. a housing reset member; 60. a pressing plate; 61. a static binding post; 62. a movable binding post; 63. a connecting sheet; 64. and (5) a knob.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.

In order to solve the problem that a pressing plate locking device in the prior art is inconvenient to use, the invention provides the pressing plate locking device and the power wiring device.

The press plate locking device shown in fig. 1 comprises a shell 10 and a locking assembly 20, wherein the shell 10 is provided with a containing cavity 11 for containing a binding post of a press plate 60, the shell 10 is formed by splicing at least two substructures, and the adjacent two substructures can be separated; the locking assembly 20 is connected to at least one of the sub-structures and has a locked state and an unlocked state, all of the sub-structures being locked together by the locking assembly 20 when the locking assembly 20 is in the locked state to lock the terminal post within the receiving cavity 11, and being separated between the at least two sub-structures when the locking assembly 20 is in the unlocked state to enable the terminal post to be withdrawn from the receiving cavity 11.

This embodiment is through setting up the casing 10 that has holding the chamber 11 to make casing 10 splice by a plurality of substructures and form, the holding chamber 11 that forms when making the concatenation of a plurality of substructures can be with the outside of terminal encircleing, thereby the connection piece 63 has been hindered and is connected to on the terminal, be provided with locking assembly 20 simultaneously, and lock a plurality of substructures together through locking assembly 20, thereby fix casing 10 on the terminal, realize the locking to clamp plate 60, the staff can't operate clamp plate 60 at will under the condition that does not authorize, avoid the emergence of the incident that clamp plate 60 maloperation led to, and above-mentioned structure only need splice the substructures of casing 10 with the surrounding terminal can accomplish the locking, need not change the structure of clamp plate 60, convenient to use.

It should be noted that, the platen 60 in this embodiment is a one-piece platen. Since the movable terminal 62 of the connecting plate is always in contact with the connecting plate 63, the housing 10 in this embodiment encloses the stationary terminal 61 to avoid interference with the connecting plate 63. If the connection of the pressure plate 60 is changed, for example, if the connecting piece 63 is always in contact with the static terminal 61, the terminal surrounded by the housing 10 may be changed to the movable terminal 62.

As shown in fig. 1 and 4, the housing 10 has an opening communicating with the accommodating chamber 11, and a stopper structure 30 is provided at the opening so that the post extending into the accommodating chamber 11 is stopper-fitted with the stopper structure 30. By providing the stop structure 30 in the accommodating cavity 11, after the housing 10 surrounds the binding post, the stop structure 30 can stop on the binding post, so that the condition that the pressing plate 60 locking assembly 20 can be removed from the binding post under the condition of not unlocking is prevented, and the reliability and the safety of the pressing plate locking device are ensured.

In this embodiment, the stop structure 30 is an individually disposed insert, the insert is movably disposed at the opening of the accommodating cavity 11 and is located in the accommodating cavity 11, the insert extends from the substructure toward the direction of the binding post, and when the locking assembly 20 is in the locking state, all the substructures clamp and fix the insert to prevent the insert from being separated from the opening.

Specifically, a fixing groove 12 for fixing the insert is provided on the inner wall of the substructure, the fixing groove 12 is opened along the circumferential direction of the accommodating chamber 11, and the edge of the insert is embedded in the fixing groove 12 to lock the insert in the accommodating chamber 11. The insert is fixed in the fixed slot 12 of a substructure in advance, and when locking is performed, the binding post is clamped in the insert, then all the substructures are butted, and the insert is clamped in the fixed slots 12 of other substructures, so that the insert is reliably clamped in the accommodating cavity 11, and locking is completed.

Optionally, a plurality of fixing grooves 12 can be formed along the axial direction of the accommodating cavity 11, so that the insert can reasonably select the clamping position according to the shape, the size and other factors of the binding posts, the pressing plate locking device can adapt to various binding posts, and the universality of the pressing plate locking device is improved.

In this embodiment, the insert has a clamping groove 31 that is clamped with the terminal, the clamping groove 31 is U-shaped, and the terminal can be clamped to the bottom of the clamping groove 31 from the opening of the clamping groove 31, so as to lock the terminal on the insert. Thus, the insert is clamped on the shell 10 through the fixing groove 12, and the binding post is clamped on the insert through the clamping groove 31, so that the binding post can be locked in the accommodating cavity 11, and the pressing plate locking device is locked on the binding post.

In an embodiment, not shown, the stop structure 30 comprises a stop tab extending from the substructure toward the terminal, the stop tab being fixedly disposed on the inner wall of the housing cavity 11 and capable of engaging the terminal to lock the terminal in the housing cavity 11. The stop piece can adopt an integral structure, and a U-shaped groove is formed in the stop piece to be clamped with the binding post. Of course, the stop piece can also adopt a split type structure, a part of the stop piece is arranged on each substructure, when the substructures are in butt joint, all parts of the stop piece are also in butt joint with each other to form a complete stop piece, and correspondingly, concave parts are formed at the butt joint positions of all parts of the stop piece to be clamped with the binding posts.

As shown in fig. 2 and 3, the housing 10 includes a first housing 13 and a second housing 14, the first housing 13 being pivotally connected to the second housing 14 and being capable of interfacing to enclose a receiving cavity 11, a portion of the latch assembly 20 being disposed within the first housing 13 and spaced from the receiving cavity 11, a portion of the latch assembly 20 being capable of extending from within the first housing 13 to lock the second housing 14, the first housing 13 and the second housing 14 being a substructure.

Specifically, the number of the sub-structures is two, namely a first shell 13 and a second shell 14, and the first shell 13 and the second shell 14 are respectively provided with a semi-cylindrical structure, and the two semi-cylindrical structures enclose a cylindrical accommodating cavity 11 so as to be matched with the shape of the binding post. One ends of the first housing 13 and the second housing 14 are pivotally connected, the receiving chamber 11 is located at one side of the pivot center of the first housing 13 and the second housing 14, and the latch assembly 20 is disposed at the pivot center, that is, the embodiment adopts a manner that two semi-cylindrical structures of the first housing 13 and the second housing 14 are close to or far from each other, and the pivot center is outside the two semi-cylindrical structures, so as to facilitate the operation of the two semi-cylindrical structures.

In an embodiment, not shown, the axis of the housing 11 coincides with the pivot center of the first housing 13 and the second housing 14, that is, the two semi-cylindrical structures are mutually rotated, the semi-cylindrical structure of the first housing 13 is located in the semi-cylindrical structure of the second housing 14, and the two semi-cylindrical structures can rotate relatively in the axial direction of the housing 11, when the two semi-cylindrical structures coincide, the housing 11 is opened, the terminal can be separated from the housing 11, and when the two semi-cylindrical structures rotate to the abutting position, the housing 11 is closed, and when the two semi-cylindrical structures are mutually blocked to form a whole cylinder, the terminal is locked in the housing 11.

In the present embodiment, the second housing 14 has a pivot ring 141, and the pivot ring 141 is disposed to avoid the accommodating cavity 11, the first housing 13 has a pivot groove 131, and the pivot ring 141 is embedded in the pivot groove 131, so that the first housing 13 and the second housing 14 can rotate relatively.

Specifically, the first housing 13 and the second housing 14 each have a pivot portion, and the pivot portions of the first housing 13 and the second housing 14 are fixedly connected with the corresponding semicircular structures, respectively. The pivot portion of the second casing 14 is a pivot ring 141 and is located at the middle height of the second casing 14, the pivot portion of the first casing 13 is a sleeve, an inner hole of the sleeve is a blind hole, a locking assembly 20 is accommodated in the blind hole, a pivot groove 131 is circumferentially formed in the side wall of the sleeve, the pivot ring 141 is pivotally arranged in the pivot groove 131, so that the first casing 13 and the second casing 14 can relatively rotate, and meanwhile, the inner ring of the pivot ring 141 avoids the locking assembly 20 in the sleeve, so that the pressing plate locking device is stable and reliable.

As shown in fig. 1 and 2, the platen locking device further includes a stopper 40, the stopper 40 has a protrusion 41, the stopper 40 is connected with the second housing 14 and can rotate synchronously, the first housing 13 has a stopper groove 132, and the protrusion 41 is accommodated in the stopper groove 132 to control a rotation angle between the first housing 13 and the second housing 14.

Specifically, the limiting block 40 is circular, and is coaxially arranged with the pivot center of the first shell 13 and the second shell 14, two protrusions 41 are circumferentially arranged on the limiting block 40, the limiting block 40 is clamped on the second shell 14 and can rotate along with the second shell 14, a limiting groove 132 is formed in the bottom of the sleeve, the limiting groove 132 is a long circular groove with an arc shape, when the second shell 14 rotates, the protrusions 41 move in the limiting groove 132, when the protrusions 41 are abutted to the inner wall of the limiting groove 132, the protrusions 41 are stopped, so that the second shell 14 cannot rotate again, the rotation angle between the first shell 13 and the second shell 14 is limited, and damage caused by overlarge rotation angles of the first shell 13 and the second shell 14 is avoided.

As shown in fig. 1 and 3, the second housing 14 has a connecting plate 142, the connecting plate 142 has a clamping groove and a through hole for the protrusion 41 to pass through, and the limiting block 40 further has a hook, and the hook is clamped in the clamping groove so that the limiting block 40 is clamped on the second housing 14.

Specifically, the pivoting portion of the second housing 14 further includes a connecting plate 142, the connecting plate 142 is connected with a side wall of the semi-cylindrical structure near the end, a square clamping groove and a via hole for the protrusion 41 to pass through are formed in the connecting plate 142, the clamping groove has a step structure, and the hook of the limiting block 40 can be clamped on the step structure, so that the limiting block 40 is fixed on the second housing 14 in a rotation-stopping manner.

Optionally, the platen locking device further includes a housing reset member 50, where two ends of the housing reset member 50 respectively abut against the first housing 13 and the second housing 14, so as to provide a reset force for the first housing 13 and the second housing 14 that are separated from each other.

Specifically, the casing reset piece 50 is the torsional spring, the cylinder lug has on the stopper 40, the torsional spring cover is established on the cylinder lug, and the cylinder lug wears to establish in the square groove of connecting plate 142, the one end butt of torsional spring is on the lateral wall of square groove, the telescopic bottom of first casing 13 is still offered because torsional spring shape complex 6 word shape groove, a portion of torsional spring holds in 6 word shape groove, and the other end butt of torsional spring is on the lateral wall in 6 word shape groove, when the unblock, first casing 13 and second casing 14 separate under the effect of torsional spring, thereby make hold chamber 11 and open, the terminal can follow and hold chamber 11 in breaking away from.

As shown in fig. 1, the latch assembly 20 includes a lock cylinder 21 and a latch 22, the first housing 13 has an accommodating space 133, and the accommodating space 133 is disposed apart from the accommodating chamber 11, and the lock cylinder 21 is pivotally disposed in the accommodating space 133; the lock cylinder 21 is in driving connection with the lock tongue 22, the lock cylinder 21 can drive the lock tongue 22 to slide between the first housing 13 and the second housing 14, and a part of the lock tongue 22 can move from the first housing 13 to the second housing 14 so as to enable the first housing 13 to be clamped and locked with the second housing 14.

Specifically, the accommodating space 133 is formed by a blind hole, the lock cylinder 21 is pivotally disposed in the blind hole, a locking hole 134 communicating with the outside is provided on a side wall of the blind hole, and one end of the lock tongue 22 can extend out of the locking hole 134 and into a locking hole on the second housing 14, so that the first housing 13 and the second housing 14 are clamped. When the lock cylinder 21 rotates under the drive of the unlocking key, the lock cylinder 21 can drive the lock tongue 22 to slide, and the lock tongue 22 retracts into the first shell 13, so that the lock tongue 22 is not clamped with the second shell 14 any more, and the first shell 13 and the second shell 14 can rotate relatively, so that the locking assembly 20 is switched from the locking position to the unlocking position.

Optionally, the first housing 13 has a locking hole 134 through which the lock tongue 22 protrudes, and an end of the lock tongue 22 that is engaged with the second housing 14 has a guiding inclined surface, and the guiding inclined surface is disposed in a direction away from the second housing 14 toward a direction close to an inner wall of the locking hole 134. When the worker manually rotates the second housing 14 such that the first housing 13 and the second housing 14 are brought close to each other, the second housing 14 can press the guide slope so that the locking bolt 22 is retracted into the first housing 13, and when the second housing 14 is rotated to the locking hole aligned with the locking bolt 22, the locking bolt 22 is inserted into the locking hole to lock the second housing 14, which does not require an unlocking key to operate the key cylinder 21, the platen locking device can be conveniently mounted to the post and locking can be achieved.

The guiding inclined surface faces the pivoting part of the second housing 14, so that the second housing 14 can only press the guiding inclined surface when the first housing 13 and the second housing 14 are in butt joint, but cannot press the guiding inclined surface when the first housing 13 and the second housing 14 are separated, and the reliability of locking is ensured.

Further alternatively, the locking assembly 20 further includes a latch return member 23, i.e. a spring, where two ends of the latch return member 23 respectively abut against the latch 22 and the inner wall of the accommodating space 133, so as to provide a return force for the latch 22 extending in a direction approaching the second housing 14, so that the latch 22 can be automatically clamped to the second housing 14.

In this embodiment, the locking assembly 20 further includes a adapting block 24, the adapting block 24 has a non-circular cross section, the adapting block 24 is connected with the lock cylinder 21, the lock tongue 22 has a groove, the adapting block 24 is disposed in the groove, when the lock cylinder 21 drives the adapting block 24 to rotate, the adapting block 24 presses the inner wall of the groove, and the lock tongue 22 withdraws from the second housing 14, so that the locking assembly 20 is unlocked. Of course, the adapter 24 may be a circular block, and in this case, the adapter 24 needs to be disposed eccentrically to the lock cylinder 21.

As shown in fig. 1 and 7, the locking assembly 20 further includes a fixing pin 25, the lock cylinder 21 is connected with the first housing 13 through the fixing pin 25, the outer ring of the lock cylinder 21 is provided with a ring groove, one end of the fixing pin 25 is fixed on the first housing 13, the other end of the fixing pin 25 is located in the ring groove, when the lock cylinder 21 rotates, the lock cylinder 21 can only rotate around its axis, and movement in other directions is limited by the fixing pin 25 and cannot be performed, so that axial positioning of the lock cylinder 21 is achieved.

Optionally, the locking assembly 20 further includes a wireless chip 26, where the wireless chip 26 is disposed at an opening of the accommodating space 133 to identify the unlocking key.

As shown in fig. 5 to 7, the present embodiment further provides an electrical wiring device, including a pressing plate 60 and the above-mentioned pressing plate locking device, the pressing plate 60 includes: the static binding post 61, the movable binding post 62 and the connecting piece 63, the static binding post 61 and the movable binding post 62 are respectively connected with an electric wire, one end of the connecting piece 63 is pivotally connected with the movable binding post 62 and always contacts with the movable binding post 62, and the other end of the connecting piece 63 is detachably connected with the static binding post 61 so as to enable the pressing plate 60 to be connected or disconnected; the static binding post 61 and the movable binding post 62 are respectively provided with a knob 64, a necking section is arranged between the knob 64 on the static binding post 61 and the static binding post 61, the connecting sheet 63 is provided with a U-shaped clamping groove, the U-shaped clamping groove is clamped on the necking section, so that the static binding post 61 and the movable binding post 62 are communicated, after the connection, the knob 64 on the static binding post 61 and the movable binding post 62 are screwed down, so that the connecting sheet 63 is tightly pressed, and the connecting sheet 63 is ensured to be reliably contacted with the static binding post 61 and the movable binding post 62. The platen lock is removably sleeved outside the static post 61 and the insert is snapped onto the necked down section of the static post 61 to block the tab 63 from contacting the static post 61.

In addition, the pressing plate 60 further comprises an insulating base for connecting the static binding post 61 and the dynamic binding post 62, and an insulating operation handle which is convenient to operate is arranged on the connecting sheet 63.

It should be noted that, when the platen lock device is mounted on the static post 61, the platen lock device is rotatable relative to the platen 60, but due to the stop action of the movable post 62 on the platen lock device, the platen lock device cannot rotate within 360 degrees, so that the knob 64 is prevented from being disengaged from the static post 61 due to the rotation of the platen lock device, and the safety of the power wiring device is ensured.

From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

1. the problem of inconvenient use of the pressing plate locking device in the prior art is solved;

2. through the locking assembly, a worker cannot operate the pressing plate at will under the condition of no authorization, so that the safety is improved;

3. the installation is convenient, the structure of the pressing plate does not need to be changed, the prior installation is not needed, and the pressing plate is assembled at any time;

4. the structure is small and exquisite, the carrying is convenient, the operation is convenient, and the assembly and the disassembly are easy;

5. The movable binding post is kept exposed after locking, so that the electricity inspection operation during maintenance is not affected.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A platen lock comprising:

The shell (10) is provided with a containing cavity (11) for containing binding posts of the pressing plate, the shell (10) is formed by splicing at least two substructures, and two adjacent substructures can be separated;

-a locking assembly (20), said locking assembly (20) being connected to at least one of said substructures and having a locked state and an unlocked state, all of said substructures being locked together by said locking assembly (20) to lock said terminal in said receiving cavity (11) when said locking assembly (20) is in said locked state, at least two of said substructures being separated from each other to enable said terminal to be withdrawn from said receiving cavity (11) when said locking assembly (20) is in said unlocked state;

The housing (10) comprises:

A first housing (13);

-a second housing (14), said first housing (13) being pivotally connected to said second housing (14) and being capable of interfacing to enclose said receiving cavity (11), a portion of said latch assembly (20) being disposed within said first housing (13) and spaced from said receiving cavity (11), a portion of said latch assembly (20) being capable of extending from within said first housing (13) to lock said second housing (14), said first housing (13) and said second housing (14) being said sub-structure;

the latch assembly (20) includes:

The lock cylinder (21), the first shell (13) is provided with a containing space (133), the containing space (133) is separated from the containing cavity (11), and the lock cylinder (21) is pivoted in the containing space (133);

The lock comprises a lock tongue (22), wherein the lock core (21) is in driving connection with the lock tongue (22), the lock core (21) can drive the lock tongue (22) to slide between the first shell (13) and the second shell (14), and a part of the lock tongue (22) can move from the first shell (13) to the second shell (14) so as to enable the first shell (13) to be locked with the second shell (14) in a clamping mode.

2. The platen lock device according to claim 1, characterized in that the housing (10) has an opening communicating with the receiving chamber (11), a stopper structure (30) being provided at the opening to bring the post extending into the receiving chamber (11) into stopper engagement with the stopper structure (30).

3. The clamp plate locking device according to claim 2, characterized in that the stop structure (30) is a panel arranged at the opening, the panel extends from the substructure in the direction of the binding post, the panel is provided with a clamping groove (31) which is clamped with the binding post, when the locking assembly (20) is in the locking state, the binding post is locked in the clamping groove (31), and all the substructures clamp and fix the panel so as to lock the clamp plate locking device on the binding post.

4. A platen lock according to claim 3, wherein the sub-structure has a fixing groove (12) for fixing the insert, the edge of the insert being embedded in the fixing groove (12) to lock the insert in the receiving cavity (11).

5. The pressure plate locking device according to any one of claims 1 to 4, characterized in that the second housing (14) has a pivot ring (141), and the pivot ring (141) is disposed so as to avoid the accommodating cavity (11), the first housing (13) has a pivot groove (131), and the pivot ring (141) is embedded in the pivot groove (131) so as to enable relative rotation between the first housing (13) and the second housing (14).

6. The platen lock device according to any one of claims 1 to 4, further comprising a stopper (40), the stopper (40) having a protrusion (41), the stopper (40) being connected to the second housing (14) and capable of synchronous rotation, the first housing (13) having a stopper groove (132), the protrusion (41) being accommodated in the stopper groove (132) to control a rotation angle between the first housing (13) and the second housing (14).

7. The platen lock of claim 6, wherein the second housing (14) has a connection plate (142), the connection plate (142) has a clamping groove and a via hole through which the protrusion (41) passes, and the stopper (40) further has a hook that is clamped in the clamping groove to clamp the stopper (40) on the second housing (14).

8. The platen lock device according to any one of claims 1 to 4, further comprising a housing return member (50), both ends of the housing return member (50) abutting against the first housing (13) and the second housing (14), respectively, to provide a return force for the first housing (13) and the second housing (14) to be separated from each other.

9. The pressure plate locking device according to claim 1, wherein the first housing (13) has a locking hole (134) through which the lock tongue (22) protrudes, one end of the lock tongue (22) that is engaged with the second housing (14) has a guide slope, and the guide slope is provided in a direction away from the second housing (14) toward a direction approaching an inner wall of the locking hole (134).

10. The pressure plate locking device according to claim 1, wherein the locking assembly (20) further comprises a lock tongue reset member (23), and both ends of the lock tongue reset member (23) are respectively abutted against the lock tongue (22) and the inner wall of the accommodating space (133) to provide a reset force for the lock tongue (22) protruding in a direction approaching the second housing (14).

11. The pressure plate locking device according to claim 1, wherein the locking assembly (20) further comprises a switching block (24), the switching block (24) is connected with the lock cylinder (21), the lock tongue (22) is provided with a groove, the switching block (24) is arranged in the groove, when the lock cylinder (21) drives the switching block (24) to rotate, the switching block (24) presses the inner wall of the groove, and the lock tongue (22) withdraws from the second shell (14) so as to unlock the locking assembly (20).

12. The pressure plate locking device according to claim 1, characterized in that the locking assembly (20) further comprises a fixing pin (25), by means of which fixing pin (25) the lock cylinder (21) is connected with the first housing (13) for axial positioning of the lock cylinder (21).

13. The platen lock device of claim 1, wherein the lock assembly (20) further includes a wireless chip (26), the wireless chip (26) being disposed at an opening of the receiving space (133) to identify an unlock key.

14. An electrical wiring device comprising a pressure plate (60) and the pressure plate locking device of any one of claims 1 to 13, the pressure plate (60) comprising:

A static binding post (61);

A movable binding post (62);

The connecting piece (63), the one end of connecting piece (63) with move terminal (62) pivoted connection, the other end of connecting piece (63) with quiet terminal (61) detachably connects, so that clamp plate (60) switch on or break off, clamp plate blocking device detachably cover is established quiet terminal (61) are outer, in order to hinder connecting piece (63) with quiet terminal (61) contact.