CN111007294A

CN111007294A - Return door meter box

Info

Publication number: CN111007294A
Application number: CN201911207977.XA
Authority: CN
Inventors: 林红; 徐瑞; 龙星文; 曹勇; 李胜; 黄庆星; 补敏; 但静; 刘雪兰; 章卫平; 李华鹏; 吴飞; 杜建国
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-04-14
Anticipated expiration: 2039-11-30
Also published as: CN111007294B

Abstract

The invention discloses a return door meter box which comprises a box body, wherein a box door is arranged on the box body, a return spring is arranged between one side of the box door and the box body, a lock rod is arranged on the inner wall of the other side of the box door, a lock hook matched with the lock rod is arranged on the side, corresponding to the lock rod, of the box body, the lock hook is rotatably connected with the box body through a pin shaft, and an unlocking assembly for driving the lock hook to rotate is further arranged on the box body. Its simple structure opens the door convenience, has the power of returning function, and the effectual situation of forgetting to close the door and damage that has reduced has improved life.

Description

Return door meter box

Technical Field

The invention relates to the technical field of meter boxes, in particular to a meter box of a return door.

Background

The meter boxes can be used in a large amount in the construction of a power grid to carry out work such as wiring and metering, the situations that workers forget to close the meter boxes to cause electricity stealing and foreign matters enter the meter boxes exist in the long-term use process of a plurality of outdoor meter boxes, the common meter boxes are locked through inner triangular operating heads, an unlocking device is inconvenient to carry, the situation that the unlocking device is lost can also exist, non-power grid workers can easily open the meter boxes through other tools to carry out illegal behaviors such as electricity stealing and the like, and the healthy operation of the power grid is seriously influenced; meanwhile, the door of the existing meter box needs to be closed by an operator, and the long-time door is closed vigorously to easily cause deformation of the door, so that the meter box is damaged.

Disclosure of Invention

The invention aims to provide a return door meter box, which well solves the problems, has a simple structure, is convenient to open, has a return function, effectively reduces the situations of forgetting to close a door and damage, and prolongs the service life.

The invention adopts the technical scheme that the return door meter box comprises a box body, wherein a box door is arranged on the box body, a return spring is arranged between one side of the box door and the box body, a lock rod is arranged on the inner wall of the other side of the box door, a lock hook matched with the lock rod is arranged on the side, corresponding to the lock rod, of the box body, the lock hook is rotatably connected with the box body through a pin shaft, and an unlocking assembly for driving the lock hook to rotate is further arranged on the box body.

The invention has the beneficial effects that:

1. according to the invention, the return spring is arranged between the box body and the box door, so that the box door has a resilience force with the box body, the box door can be drawn close to the box body under the action of the resilience force, the box door can be automatically closed, the problems that the box door is forgotten to be closed and an operator forcibly closes the door are effectively solved, the situations that the door is forgotten to be closed and damaged are effectively reduced, and the service life is prolonged;

2. adopt magnetic force subassembly of unblanking, through signal control magnetic force, make the latch hook rotatory, reach the effect of switch door, carry out mechanical type structure such as shutting with the operating head of current interior triangle, magnetic force begins the subassembly more convenient, need not adopt mechanical key, can select opening of control magnetic force such as radio frequency signal, cell-phone signal according to actual need to the rotation of control latch hook reaches the purpose of switch door, and the switch door is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural view illustrating the door of the first embodiment of the present invention when opened;

FIG. 3 is a partial schematic structural view illustrating the door closed according to a second embodiment of the present invention;

FIG. 4 is a partial schematic structural view illustrating the door opening operation according to a second embodiment of the present invention;

FIG. 5 is a partial schematic structural view of a second embodiment of the present invention after the door is opened;

FIG. 6 is a schematic view showing the internal structure of a delay cylinder according to a second embodiment of the present invention;

FIG. 7 is a partial schematic view of a third embodiment of the present invention showing a door closed;

FIG. 8 is a schematic view of a portion of a latch hook of a third embodiment of the present invention;

in the figure: 1. a box body; 2. a box door; 3. a return spring; 4. a lock lever; 5. a latch hook; 6. a rotation pin; 7. a poke rod; 8. rotating the block; 9. a delay cylinder; 91. a cylinder barrel; 92. a telescopic rod; 93. a piston; 94. a return spring; 95. a valve; 10. a pressure spring; 11. and electrifying the electromagnetic block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", etc. indicate orientations or positional relationships based on those shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows: as shown in fig. 1 to 2, the present invention provides a return door meter box, which is characterized in that: the door lock is characterized by comprising a box body 1, a box door 2 is arranged on the box body 1, a return spring 3 is arranged between one side of the box door 2 and the box body 1, a lock rod 4 is arranged on the inner wall of the other side of the box door 2, a lock hook 5 matched with the lock rod 4 is arranged on the side, corresponding to the lock rod 4, of the box body 1, the lock hook 5 is rotatably connected with the box body 1 through a hinge pin, a magnetic unlocking assembly for driving the lock hook 5 to rotate is further arranged on the box body 1, and a delayed door closing assembly is further arranged in.

The upper end and the lower end of one side of the box door 2 are respectively provided with a rotating pin 6, the box door 2 is rotatably connected with the box body 1 through the rotating pins 6, and the return spring 3 is sleeved on the rotating pins 6. Chamber door 2 can rotate round rotating pin 6 promptly, and 3 one end of return spring and 2 fixed connection of chamber door, the other end and 1 fixed connection of box, and when chamber door 2 closed, return spring 3 was in natural state, and when chamber door 2 was opened, return spring 3 turned round, had elasticity, and when no external force retrained chamber door 2, chamber door 2 moved to box 1 under the effect of return spring 3, closed chamber door 2.

The return spring 3 is arranged between the box body 1 and the box door 2, so that the box door 2 and the box body 1 have resilience, the box door 2 can be drawn close to the box body 1 under the action of resilience force, the box door 2 can be automatically closed, the problems that the box door 2 is forgotten to close and an operator forcibly closes the door are effectively solved, the problems that the door is forgotten to close and is damaged are effectively reduced, and the service life is prolonged; adopt magnetic force subassembly of unblanking, through signal control magnetic force, make latch hook 5 rotatory, reach the effect of switch door, carry out mechanical type structure such as shutting with the operating head of current interior triangle, magnetic force begins the subassembly more convenient, need not adopt mechanical key, can select opening of control magnetic force such as radio frequency signal, cell-phone signal according to actual need to the rotation of control latch hook 5 reaches the purpose of switch door, and the switch door is convenient.

Example two: as shown in fig. 3-6, on the basis of the first embodiment, a delayed door closing assembly is further disposed between the box body 1 and the box door 2. The delayed door closing assembly comprises a poke rod 7, a rotating block 8 and a delayed cylinder 9, wherein the poke rod 7 is fixedly arranged at the end part of the box door 2, the middle part of the rotating block 8 is rotatably connected with the box body 1 through a pin shaft, the delayed cylinder 9 is fixedly arranged on the box body 1, one end of the rotating block 8 is positioned at the front end of the delayed cylinder 9, and the poke rod 7 is matched with the other end of the rotating block 8 and is used for poking the rotating block 8 to rotate. The delay cylinder 9 comprises a cylinder body 91 and an expansion link 92, the front end of the expansion link 92 penetrates through the front end of the cylinder body 91, the rear end of the expansion link 92 is connected with a piston 93, a return spring 94 is arranged between the piston 93 and the rear end of the cylinder body 91, the piston 93 and the cylinder body 91 are arranged in a sliding manner, and the rear end of the cylinder body 91 is provided with a valve 95.

Set up the time delay between box 1 and chamber door 2 and closed the door subassembly promptly, poker rod 7 is located 2 afterbody of chamber door and 2 fixed connection of chamber door, and when chamber door 2 revoluted the rotation pin 6 and rotated, poker rod 7 also can rotate thereupon, and turning block 8 is "7" style of calligraphy, and 8 one ends of turning block are located time delay cylinder 9 front ends,

poker rod

7 and 8 other end adaptations of turning block for it is rotatory to stir turning block 8, and when poker rod 7 rotated promptly, can drive turning block 8 and rotate. When the box door 2 is closed, the poke rod 7 is positioned at the outer side of the rotating block 8, when the box door 2 is completely opened, the poke rod 7 slides through one end of the rotating block 8 and is positioned at the inner side of the rotating block 8, the rotating block 8 is provided with a circular arc structure which is convenient for the poke rod 7 to slide through, at the moment, the rotating block 8 hooks the poke rod 7, the box door 2 moves towards the box body 1 under the action of the return spring 3, then the poke rod 7 is driven to rotate, the poke rod 7 drives one end of the rotating block 8 to rotate, at the moment, the other end of the rotating block 8 presses the front end of the telescopic rod 92, the telescopic rod 92 moves towards the cylinder body 91, the return spring 94 in the cylinder body 91 is compressed, the gas in the cylinder body 91 is slowly discharged through the valve 95, namely, the closing speed of the door 2 is slowed down through the slow discharge of the gas, so that the door 2 can be slowly closed in a delayed manner, and the pressure of the return spring 3 is greater than that of the return spring 94. When the door 2 is closed to a certain position, the rotating block 8 compresses the telescopic rod 92 to a certain position, the other end of the rotating block 8 is separated from the poke rod 7, namely, the delayed door closing assembly is separated from the door 2, the door 2 is continuously closed under the action of the return spring 3 until finally closed, and after the delayed door closing assembly is separated from the door 2, no pressure exists outside the telescopic rod 92, the return spring 94 in the cylinder body 91 is reset, the piston 93 is pushed to move forwards, the telescopic rod 92 is extended, and meanwhile, the valve 95 sucks gas to reset the delayed door closing assembly. A limiting block is further installed on the box body 1 at the front end of the telescopic rod 92, one end of the rotating block 8 is located between the limiting block and the telescopic rod 92, and the limiting block can prevent the rotating block 8 from overturning. The direction of the arrow in the figure is the direction of movement of the door 2.

The valve 95 is a hemispherical rubber valve, the hemispherical rubber valve is divided into two pieces, a notch is arranged near the top point of the spherical surface of the two pieces of rubber, the notches on the two pieces of rubber form an opening, that is, when the door 2 moves towards the door closing direction by the restoring force of the return spring 3, the opening is used as a valve for air release, but in the specific use process, an operator can actively close the door 2 most of the time, after all, the door is forgotten to be closed for a few times, the door is manually closed in the time, generally, the operator can push the position far away from the door shaft when the door is closed, that is, the force given to the telescopic rod 92 is far greater than the restoring force of the return spring 3, and the air pressure can push the two pieces of rubber to form a larger air release port, so that the rapid air release can be realized, and the operator can rapidly close the door, and the device does not need to wait, thereby greatly enhancing the practicability of the device, enhancing the use experience of operators and reducing unnecessary time waiting.

Example three: as shown in fig. 7-8, the magnetic unlocking assembly includes a pressure spring 10 and an electrified magnetic block 11, one end of the pressure spring 10 is fixedly connected with the middle of the locking hook 5, the other end of the pressure spring 10 is fixedly connected with the side wall of the box body 1, and the electrified magnetic block 11 is installed on the side wall of the box body 1 corresponding to the front portion of the locking hook 5. The magnetic unlocking assembly further comprises a magnetic unlocking controller, and the magnetic unlocking controller is used for identifying an unlocking signal and controlling the magnetic force of the electrified magnetic block 11.

When the door 2 is in a closed state, the pressure spring 10 abuts against the locking hook 5, so that the locking hook 5 hooks the locking rod 4 forward to complete the locking of the door 2, and the locking hook 5 is made of a material with magnetic attraction capacity, such as iron. When the door needs to be opened, the magnetic unlocking controller is used for identification and comparison through external signals such as radio frequency signals or mobile phone signals, when the signals are correct, the magnetic unlocking controller sends signals to enable the electrified magnetic block 11 to be electrified, the electrified magnetic block 11 has magnetic force, at the moment, the front end of the lock hook 5 rotates around the pin shaft under the attraction of the magnetic force of the electrified magnetic block 11, the lock hook 5 is separated from the lock rod 4 to unlock the door 2, when the door needs to be closed, the electrified magnetic block 11 is powered off and loses magnetic force, and the lock hook 5 moves forwards under the left and right sides of the pressure spring 10 to hook the lock rod 4 to complete locking. The door is very convenient to open and close, and meanwhile, the door can be combined with the existing fingerprint lock control, radio frequency lock control and the like to control the power on and off of the electrified magnetic block 11 so as to complete the door opening and closing operation.

The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a return force door strapping table case which characterized in that: including box (1), be provided with chamber door (2) on box (1), install between chamber door (2) one side and box (1) return spring (3), chamber door (2) opposite side inner wall is provided with locking lever (4), box (1) corresponds the side with locking lever (4) and is provided with latch hook (5) with locking lever (4) looks adaptation, latch hook (5) rotate with box (1) through the round pin axle and are connected, still be provided with drive latch hook (5) pivoted magnetic force subassembly of unblanking on box (1), still be provided with the time delay in box (1) and close the door subassembly.

2. The return door meter box of claim 1, wherein: the upper end and the lower end of one side of the box door (2) are respectively provided with a rotating pin (6), the box door (2) is rotatably connected with the box body (1) through the rotating pins (6), and the return spring (3) is sleeved on the rotating pins (6).

3. The return door meter box of claim 1, wherein: the delayed door closing assembly is arranged between the box body (1) and the box door (2).

4. The return door meter box of claim 3, wherein: the time-delay door closing assembly comprises a poke rod (7), a rotating block (8) and a time-delay cylinder (9), the poke rod (7) is fixedly arranged at the end part of the box door (2), the middle part of the rotating block (8) is rotatably connected with the box body (1) through a hinge pin, the time-delay cylinder (9) is fixedly arranged on the box body (1), one end of the rotating block (8) is located at the front end of the time-delay cylinder (9), and the poke rod (7) is matched with the other end of the rotating block (8) and used for poking the rotating block (8) to rotate.

5. The return door meter box of claim 4, wherein: the time delay air cylinder (9) comprises an air cylinder barrel (91) and an expansion link (92), the front end of the expansion link (92) penetrates through the front end of the air cylinder barrel (91), the rear end of the expansion link (92) is connected with a piston (93), a return spring (94) is arranged between the piston (93) and the rear end of the air cylinder barrel (91), the piston (93) and the air cylinder barrel (91) are arranged in a sliding mode, and the rear end of the air cylinder barrel (91) is provided with a valve (95).

6. The return door meter box of claim 5, wherein: the valve (95) is a hemispherical rubber valve.

7. The return door meter box of claim 1, wherein: the magnetic unlocking assembly comprises a pressure spring (10) and an electrified magnetic block (11), one end of the pressure spring (10) is fixedly connected with the middle of the lock hook (5), the other end of the pressure spring (10) is fixedly connected with the side wall of the box body (1), and the electrified magnetic block (11) is installed on the side wall of the box body (1) corresponding to the front portion of the lock hook (5).

8. The return door meter box of claim 7, wherein: the magnetic unlocking assembly further comprises a magnetic unlocking controller, and the magnetic unlocking controller is used for identifying an unlocking signal and controlling the magnetic force of the electrified magnetic block (11).