CN112688203B - Block terminal is prevented maloperation safety switch and outdoor block terminal of synthesizing - Google Patents

Block terminal is prevented maloperation safety switch and outdoor block terminal of synthesizing Download PDF

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Publication number
CN112688203B
CN112688203B CN202011420180.0A CN202011420180A CN112688203B CN 112688203 B CN112688203 B CN 112688203B CN 202011420180 A CN202011420180 A CN 202011420180A CN 112688203 B CN112688203 B CN 112688203B
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lock cylinder
cylinder assembly
distribution box
cavity
guide
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CN112688203A (en
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徐峰
梁意珍
徐顺山
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Huiwang Electric Co ltd
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Huiwang Electric Co ltd
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Abstract

The invention provides a distribution box misoperation prevention safety switch and an outdoor comprehensive distribution box using the same, and belongs to the field of distribution equipment safety devices, wherein the safety switch comprises a mounting seat, a lock column assembly, a transmission assembly and a lock seat matched with the lock column assembly to lock a distribution box door, the transmission assembly comprises a guide push block and a swing rod which are matched with each other, the guide push block enters a guide groove under the condition that the guide push block is close to a guide wheel of the swing rod and close to the guide wheel, the guide wheel is forced to drive the swing rod to rotate anticlockwise or clockwise through the guide groove by the close or far movement of the guide push block, and the rotation of the swing rod drives the lock column assembly to retract or extend out of the mounting seat so as to relieve or restore the blockage of the lock seat, so that the safety of the distribution box can be improved, the transformation process of the existing distribution box is simple, and the stability is high and the distribution box is durable.

Description

Block terminal is prevented maloperation safety switch and outdoor block terminal of synthesizing
Technical Field
The invention belongs to the field of safety devices of power distribution equipment, and particularly relates to an anti-misoperation safety switch of a distribution box and an outdoor comprehensive distribution box using the safety switch.
Background
With the continuous and rapid development of power systems, the operation mode, structural characteristics and management and scheduling mode of the power grid are greatly changed, and higher requirements are provided for the operation reliability of the power grid and the personal safety of operators. The distribution box is also called a switch cabinet, an air inflation cabinet and the like, is common electrical equipment in a power system, and is mainly used for opening, closing, controlling and protecting the electrical equipment in the process of power generation, power transmission, power distribution and electric energy conversion of the power system. Electrical distribution boxes typically include a variety of electrical equipment, such as circuit breakers. In order to facilitate debugging, various electrical equipment in the distribution box can swing in and out of the distribution box on a chassis frame through a lead screw on a chassis frame cross beam.
When the circuit breaker from experimental position shaken the operating position, when the circuit breaker left experimental position promptly, the circuit breaker door that makes the block terminal through switch blocking device can't be opened, and then ensures that operating personnel can't open the cabinet door operation or touch other parts in the block terminal circuit breaker room at current state, avoids the maloperation to touch electrical element when electrified, guarantees the safe in utilization of block terminal.
In a conventional solution, in order to realize a function that the cabinet door cannot be opened by the circuit breaker in a working position, a switch locking device may be added to the distribution box, for example, the utility model with the patent number of cn201821001985.X provides a locking device for a switch cabinet, which realizes locking and unlocking functions through the cooperation of a transmission part and a spring, but in the using process, the spring is easy to attenuate, and then the realization of the function of the locking device is affected, so that the locking device is still in an open state when the circuit breaker returns to the working position, and the safety is affected. And the first locking piece is in frictional contact with the mounting seat, so that the friction force is large, the attenuation of the spring is accelerated while large noise is caused, and the stability and the service life of the locking device are influenced.
Disclosure of Invention
Based on the problems in the prior art, the invention provides an anti-misoperation safety switch for a distribution box, which comprises an installation seat, a lock cylinder assembly, a transmission assembly and a lock seat matched with the lock cylinder assembly to lock a door of the distribution box, wherein the installation seat is fixedly installed on a cross beam of the distribution box, the lock cylinder assembly is slidably installed in the installation seat, the lock seat is fixedly installed on the door of the distribution box and extends towards the lock cylinder assembly, and can be operated to be blocked by the lock cylinder assembly so as to prevent the door of the distribution box from being opened, the transmission assembly comprises a guide push block and a swing rod, the guide push block is fixedly installed on a chassis vehicle in the distribution box, and an inclined guide groove is formed in the lower surface of the guide push block; the swing rod comprises a long end, a short end and a pivot part positioned in the middle and connecting the long end and the short end, the swing rod is pivotally arranged on the mounting seat through the pivot part, the long end is detachably connected to the lock cylinder assembly through a bolt in a transmission way, and the short end is rotatably provided with a guide wheel matched with the guide groove through a rotating shaft;
under the condition that the guide push block is close to the guide wheel and close to the guide wheel, the guide wheel enters the guide groove, the guide wheel is forced to drive the swing rod to rotate anticlockwise or clockwise through the guide groove by the approaching or departing movement of the guide push block, and the rotation of the swing rod drives the lock cylinder assembly to retract or extend out of the mounting seat so as to release or restore the blocking of the lock seat.
The bolt sliding groove is formed in the long end of the swing rod, a bolt for connecting the swing rod and the lock cylinder assembly penetrates through the bolt sliding groove and then is in threaded connection with the lock cylinder assembly, and the bolt can slide in the bolt sliding groove so that the swing rod can rotate to drive the lock cylinder assembly to move; the bolt is a unthreaded slide rod without threads at one end close to the bolt slide groove, so that the swing rod is prevented from being damaged by the threads of the bolt when the swing rod and the bolt rotate relatively.
The mounting base is provided with a first open slot, the first open slot extends along the moving direction of the lock cylinder assembly, and the first open slot is used for allowing a bolt to penetrate through and be connected to the lock cylinder assembly.
The mounting seat is further provided with a sleeve extending along the moving direction of the lock cylinder assembly and used for containing the lock cylinder assembly, the lock cylinder assembly is slidably mounted in the sleeve, and a second open slot aligned with the first open slot is formed in the sleeve and used for allowing the bolt to penetrate through and be connected to the lock cylinder assembly.
The lock cylinder assembly comprises a cylinder body, a soft rubber sleeve, a fixed shell and a sealing cover, wherein one end of the cylinder body is solid, the other end of the cylinder body is of a hollow structure, so that a hollow cavity is formed, one solid end leans against the lock seat, the tail end of the hollow end is provided with an assembly opening, a plurality of hemispherical communication cavities are arranged in the hollow cavity, the communication cavities are communicated with the inside and the outside of the cylinder body, and the spherical centers of the communication cavities are positioned in the hollow cavity; the soft rubber sleeve is sleeved on the inner wall of the hollow cavity, a conical cavity is arranged at the position of the soft rubber sleeve corresponding to the communicating cavity, and the conical cavity penetrates through the soft rubber sleeve; the tapered cavity and the communicating cavity are matched to form a complete ball cavity, matched balls are arranged in the ball cavity, the balls are in clearance fit with the inner wall of the ball cavity, and one side of each ball protrudes out of the column body from the communicating cavity; the fixed shell is sleeved on the inner wall of the soft rubber sleeve, the fixed shell and the cylinder are matched to clamp the soft rubber sleeve tightly, an extending conical cavity is arranged at the corresponding position of the conical cavity of the soft rubber sleeve on the fixed shell, the extending conical cavity and the conical cavity of the soft rubber sleeve are matched with each other to form a large conical cavity, the large conical cavity penetrates through the soft rubber sleeve and the fixed shell and is communicated with the inner cavity of the fixed shell, and lubricating grease is filled in the inner cavity of the fixed shell; the sleeve pipe on be provided with a plurality of and ball assorted ball guide slot along the extending direction, the cylinder, the setting up of soft gum cover and set casing is convenient assembles the lock cylinder subassembly, reduces the assembly degree of difficulty of ball, has added lubricating grease simultaneously in the lock cylinder subassembly, can take out lubricating grease from the lock cylinder subassembly when the ball is rolling, plays rust-resistant effect when lubricating moving part, extension fixture's life and the stability of promotion dress.
The part of the ball protruding out of the cylinder is less than half of the ball, so that the ball is prevented from falling; the cover is detachably connected to the column body through threads.
The two ball cavities are in a group, and the two ball cavities in each group are arranged along the length direction of the lock cylinder assembly; the lock cylinder component is at least provided with three groups of ball cavities, wherein one group of ball cavities are arranged at the bottommost part of the lock cylinder component, the ball cavities of the other groups are symmetrically arranged at two sides, the height of the group of ball cavities is not higher than the upper semicircular dividing surface and the lower semicircular dividing surface of the lock cylinder component, and the ball cavities are arranged under the action of gravity, so that lubricating grease can be automatically filled, and the purpose of slow release is achieved.
Wherein, the guide way be provided with the widening notch in the one end that is close to the leading wheel, the horizontal cross-section of widening notch be trapezoidal and trapezoidal long limit and be greater than the diameter of 1.5 times leading wheel, the setting up of widening notch makes the leading wheel enter into the guide way more easily, reducing means reduces the processing degree of difficulty and processing cost to the demand of machining precision.
The end of the long end of the swing rod is provided with a first permanent magnet on one surface close to the mounting seat; the installation seat keep away from the pendulum rod at the direction ejector pad and make the leading wheel break away from the guide way when the position department that first permanent magnet corresponds is provided with the second permanent magnet, first permanent magnet and second permanent magnet mutually support the attraction, the setting of permanent magnet is fixed the pendulum rod through the mode of magnetism and is inhaled, avoids the pendulum rod free swing behind the direction ejector pad that breaks away from, influences the realization of shutting function.
The utility model provides a block terminal is synthesized to outdoor which installs as above the block terminal prevents maloperation safety switch.
The invention has the following beneficial effects:
1. through preventing the maloperation safety switch with the block terminal direct dress on e.g. chassis car crossbeam and door of block terminal, and need not carry out other adjustments to the structure of current block terminal, the security performance of high-efficient, conveniently improving the block terminal avoids the maloperation to cause the incident.
2. Through the setting of direction ejector pad and guide way, carry out two-way control to the pendulum rod, replace the reset action of spring, avoid influencing the realization of normal function because of the decay of spring, both prolonged life and also promoted the stability of device.
3. Optimize the adjustment to the structure of lock cylinder subassembly, added ball and lubricating grease etc. in the lock cylinder subassembly, made the slip of lock cylinder subassembly smooth and easy more and stable, can the noise reduction also can promote stability, guarantee the security performance, smooth and easy slip moreover can promote to use and experience.
Drawings
Fig. 1 is a schematic perspective view (unlocked state) of a safety switch for preventing misoperation of a distribution box.
Fig. 2 is a schematic perspective view (locked state) of the safety switch for preventing misoperation of the distribution box.
Fig. 3 is an explosion three-dimensional structure schematic diagram of a misoperation prevention safety switch of a distribution box.
Fig. 4 is a schematic perspective view of the guiding pushing block.
Fig. 5 is a perspective view of the lock cylinder assembly.
Fig. 6 is a schematic sectional perspective view of the lock cylinder assembly.
Since the electric distribution box is a structure of the prior art and is not shown in the drawings, reference may be made to the structure in the patent literature cited in the background.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The first embodiment is as follows: a misoperation prevention safety switch for a distribution box.
1-6, the anti-misoperation safety switch of distribution box comprises a mounting seat 1, a lock cylinder assembly 2, a transmission assembly 3 and a lock seat 4 cooperating with the lock cylinder assembly 2 to lock a door of the distribution box, wherein the mounting seat 1 is fixedly installed on a cross beam of the distribution box, the lock cylinder assembly 2 is slidably installed in the mounting seat 1, the lock seat 4 is fixedly installed on the door of the distribution box and extends out towards the lock cylinder assembly 2, and is operable to be blocked by the lock cylinder assembly 3 so as to prevent the door of the distribution box from being opened, the anti-misoperation safety switch is characterized in that the transmission assembly 3 comprises a guide push block 31 and a swing rod 32, the guide push block 31 is fixedly installed on a chassis vehicle in the distribution box, an inclined guide groove 311 is arranged on the lower surface of the guide push block 31, a widened notch 312 is arranged at one end close to a guide wheel 325, the horizontal section of the widened notch 312 is trapezoidal, and the long side of the trapezoidal shape is more than 1.5 times the diameter of the guide wheel 325; the swing link 32 comprises a long end 321, a short end 322 and a pivot part 323 which is located between the long end 321 and the short end 322, the swing link 32 is pivotably mounted on the mounting base 1 through the pivot part 323, the long end 321 is detachably connected to the lock cylinder assembly 2 through a bolt 324 in a transmission manner, the long end 321 of the swing link 32 is provided with a bolt sliding groove 326, a bolt 324 which connects the swing link 32 and the lock cylinder assembly 2 passes through the bolt sliding groove 326 and then is connected to the lock cylinder assembly 2 in a threaded manner, and the bolt 324 can slide in the bolt sliding groove 326, so that the rotation of the swing link 32 can drive the lock cylinder assembly 2 to move; the bolt 324 is provided with a smooth rod 327 without screw thread at one end close to the bolt sliding groove 326, and the short end 322 is rotatably provided with a guide wheel 325 matched with the guide groove 311 through a rotating shaft; the mounting seat 1 is provided with a first opening groove 11, the first opening groove 11 extends along the moving direction of the lock cylinder assembly 2, and the first opening groove 11 is used for allowing the bolt 324 to pass through and be connected to the lock cylinder assembly 2; the mounting seat 1 is further provided with a sleeve 12 extending along the moving direction of the lock cylinder assembly 2 and used for accommodating the lock cylinder assembly 2, the lock cylinder assembly 2 is slidably mounted in the sleeve 12, and a second opening groove 22 aligned with the first opening groove 11 is formed on the sleeve 12 so that the bolt 324 can pass through and be connected to the lock cylinder assembly 2; a first permanent magnet is arranged on one surface of the tail end of the long end 321 of the swing rod 32, which is close to the mounting seat 1; when the guide push block 31 is far away from the swing rod 32 and the guide wheel 325 is separated from the guide groove 311, the mounting seat 1 is provided with a second permanent magnet 13 at a position corresponding to the first permanent magnet, and the first permanent magnet and the second permanent magnet 13 are mutually matched and attracted.
Under the condition that the guide push block 31 is close to the guide wheel 325 and close to the guide wheel 325, the guide wheel 325 enters the widened notch 312 at the front end of the guide groove 311, is guided into the guide groove 311 by the widened notch 312, and is forced to drive the guide wheel 325 to drive the swing rod 32 to rotate anticlockwise or clockwise through the guide groove 311 by the approaching or departing movement of the guide push block 31, and the rotation of the swing rod 32 drives the lock cylinder assembly 2 to retract or extend out of the mounting seat 1, so as to release or restore the blocking of the lock seat 4.
As a preferred embodiment, the lock cylinder assembly 2 includes a cylinder 21, a soft rubber sleeve 22, a fixed shell 23 and a sealing cover 24, one end of the cylinder 21 is solid, and the other end of the cylinder is hollow, so as to form a hollow cavity, the solid end is close to the lock seat 4, the hollow end is provided with an assembly opening at the extreme end, a plurality of hemispherical communication cavities 211 are arranged in the hollow cavity, the communication cavities 211 are communicated with the inside and the outside of the cylinder 21, and the spherical centers of the communication cavities 211 are located in the hollow cavity; the soft rubber sleeve 22 is sleeved on the inner wall of the hollow cavity, a conical cavity 221 is formed in the position, corresponding to the communicating cavity 211, of the soft rubber sleeve 22, and the conical cavity 221 penetrates through the soft rubber sleeve 22; the tapered cavity 221 and the communication cavity 211 are matched to form a complete ball cavity 26, matched balls 25 are arranged in the ball cavity 26, the balls 25 are in clearance fit with the inner wall of the ball cavity 26, one side of each ball 25 protrudes out of the column 21 from the communication cavity 211, and the part of each ball 25 protruding out of the column 21 is smaller than half of each ball 25; the fixed shell 23 is sleeved on the inner wall of the soft rubber sleeve 22, the fixed shell 23 and the column body 21 are matched to clamp the soft rubber sleeve 22, the fixed shell 23 is provided with an extension conical cavity 231 at a position corresponding to the conical cavity 221 of the soft rubber sleeve 22, the extension conical cavity 231 and the conical cavity 221 of the soft rubber sleeve 22 are matched with each other to form a large conical cavity, the large conical cavity penetrates through the soft rubber sleeve 22 and the fixed shell 23 to be communicated with the inner cavity of the fixed shell 23, and the inner cavity of the fixed shell 23 is filled with lubricating grease; a plurality of ball guide grooves matched with the balls 25 are arranged on the sleeve 12 along the extension direction; the cover 24 is removably attached to the post 21 by threads.
In a preferred embodiment, the ball cavities 26 are grouped into two groups, and the two ball cavities 26 in each group are arranged along the length direction of the lock cylinder assembly 2; the lock cylinder component 2 is provided with three groups of ball cavities 26, wherein one group of ball cavities 26 is arranged at the lowest part of the lock cylinder component 2, and the heights of the positions of the other two groups of ball cavities 26 are not higher than the upper semicircle and the lower semicircle of the lock cylinder component 2 at the positions of which the two sides deviate from the vertical direction by 45 degrees, so that lubricating grease can be automatically filled in the ball cavities 26 under the action of gravity.
Example two: an outdoor comprehensive distribution box.
A guide push block 31 in an embodiment I is installed on a chassis frame of an outdoor comprehensive distribution box, an installation seat 1 in the embodiment I and parts of other locking devices installed on the installation seat 1 are installed on a cross beam of the distribution box, and a lock seat 4 in the embodiment I is installed on a door of the distribution box.
Above-mentioned block terminal is owing to installed blocking device, when moving chassis car test position by operating position, direction ejector pad 31 is close to leading wheel 325, leading wheel 325 enters into the widening notch 312 of guide way 311 front end in, enter into guide way 311 by the guide of widening notch 312, the continuation of direction ejector pad 31 is close to and can force leading wheel 325 to drive pendulum rod 32 anticlockwise rotation through guide way 311, the rotation of pendulum rod 32 drives lock post subassembly 2 withdrawal mount pad 1, in order to relieve stopping of lock seat 4, make the block terminal door normally open, satisfy safe requirement.
After the maintenance, repair and other work is finished, the distribution box door is closed, and the chassis vehicle is moved back to the working position from the testing position, the moving-away motion of the guide push block 31 forces the guide wheel 325 to drive the swing rod 32 to rotate clockwise through the guide groove 311, the rotation of the swing rod 32 drives the lock cylinder assembly 2 to extend out of the mounting seat 1, so as to recover the blocking of the lock seat 4, and the distribution box door is in a locked state which cannot be opened.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. A distribution box misoperation prevention safety switch comprises a mounting seat (1), a lock cylinder assembly (2), a transmission assembly (3) and a lock seat (4) matched with the lock cylinder assembly (2) to lock a distribution box door, wherein the mounting seat (1) is fixedly arranged on a cross beam of the distribution box, the lock cylinder assembly (2) is slidably arranged in the mounting seat (1), the lock seat (4) is fixedly arranged on a door of the distribution box and extends towards the lock cylinder assembly (2), and can be blocked by the lock cylinder assembly (3) to prevent the distribution box door from being opened, and the safety switch is characterized in that the transmission assembly (3) comprises a guide push block (31) and a swing rod (32), the guide push block (31) is fixedly arranged on a chassis in the distribution box, and an inclined guide groove (311) is formed in the lower surface of the guide push block (31); the swing rod (32) comprises a long end (321), a short end (322) and a pivot part (323) located in the middle of the swing rod and connected with the long end (321) and the short end (322), the swing rod (32) is pivotably installed on the installation base (1) through the pivot part (323), the long end (321) is detachably connected to the lock cylinder assembly (2) in a transmission mode through a bolt (324), and the short end (322) is rotatably installed with a guide wheel (325) matched with the guide groove (311) through a rotating shaft;
under the condition that the guide push block (31) is close to the guide wheel (325) and approaches to the guide wheel (325), the guide wheel (325) enters the guide groove (311), the guide push block (31) moves close to or away from the guide groove (311) to force the guide wheel (325) to drive the swing rod (32) to rotate anticlockwise or clockwise, and the swing rod (32) rotates to drive the lock cylinder assembly (2) to retract or extend out of the mounting seat (1) so as to release or restore the blocking of the lock seat (4);
a bolt sliding groove (326) is formed in the long end (321) of the swing rod (32), a bolt (324) for connecting the swing rod (32) and the lock cylinder assembly (2) penetrates through the bolt sliding groove (326) and then is connected to the lock cylinder assembly (2) in a threaded mode, and the bolt (324) can slide in the bolt sliding groove (326), so that the swing rod (32) can rotate to drive the lock cylinder assembly (2) to move; one end of the bolt (324) close to the bolt sliding groove (326) is a smooth rod (327) without threads;
the mounting seat (1) is provided with a first open slot (11), the first open slot (11) extends along the moving direction of the lock cylinder assembly (2), and the first open slot (11) is used for allowing a bolt (324) to penetrate through and be connected to the lock cylinder assembly (2);
the mounting seat (1) is further provided with a sleeve (12) which extends along the moving direction of the lock cylinder assembly (2) and is used for accommodating the lock cylinder assembly (2), the lock cylinder assembly (2) is slidably mounted in the sleeve (12), and a second open slot (22) which is aligned with the first open slot (11) is formed in the sleeve (12) so that the bolt (324) can penetrate through and be connected to the lock cylinder assembly (2);
the lock cylinder assembly (2) comprises a cylinder body (21), a soft rubber sleeve (22), a fixed shell (23) and a sealing cover (24), one end of the cylinder body (21) is solid, the other end of the cylinder body is of a hollow structure, so that a hollow cavity is formed, the solid end leans against the lock base (4), an assembly opening is formed in the tail end of the hollow end, a plurality of hemispherical communicating cavities (211) are arranged in the hollow cavity, the communicating cavities (211) are communicated with the inside and the outside of the cylinder body (21), and the spherical centers of the communicating cavities (211) are located in the hollow cavity; the soft rubber sleeve (22) is sleeved on the inner wall of the hollow cavity, a conical cavity (221) is arranged at the position, corresponding to the communicating cavity (211), of the soft rubber sleeve (22), and the conical cavity (221) penetrates through the soft rubber sleeve (22); the tapered cavity (221) and the communication cavity (211) are matched to form a complete ball cavity (26), matched balls (25) are arranged in the ball cavity (26), the balls (25) are in clearance fit with the inner wall of the ball cavity (26), and one side of each ball (25) protrudes out of the column body (21) from the communication cavity (211); the fixed shell (23) is sleeved on the inner wall of the soft rubber sleeve (22), the fixed shell (23) and the cylinder (21) are matched to clamp the soft rubber sleeve (22), an extension conical cavity (231) is arranged at the corresponding position of the conical cavity (221) of the soft rubber sleeve (22) of the fixed shell (23), the extension conical cavity (231) and the conical cavity (221) of the soft rubber sleeve (22) are matched with each other to form a large conical cavity, the large conical cavity penetrates through the soft rubber sleeve (22) and the fixed shell (23) and is communicated with the inner cavity of the fixed shell (23), and lubricating grease is filled in the inner cavity of the fixed shell (23); the sleeve (12) is provided with a plurality of ball guide grooves matched with the balls (25) along the extension direction.
2. The anti-misoperation safety switch for the distribution box according to claim 1, wherein the part of the ball (25) protruding out of the column body (21) is less than half of the ball (25); the cover (24) is detachably connected to the column body (21) through threads.
3. The anti-misoperation safety switch for the distribution box is characterized in that the ball cavities (26) are in a group of two, and the two ball cavities (26) in each group are arranged along the length direction of the lock cylinder assembly (2); the lock cylinder component (2) is at least provided with three groups of ball cavities (26), wherein one group of ball cavities (26) are arranged at the lowest part of the lock cylinder component (2), the other groups of ball cavities (26) are symmetrically arranged at two sides, and the height of the highest group of ball cavities (26) is not higher than the upper and lower semicircular dividing surfaces of the lock cylinder component (2).
4. The switch box misoperation prevention safety switch according to any one of claims 1 to 3, wherein the guide groove (311) is provided with a widening notch (312) at one end close to the guide wheel (325), the horizontal section of the widening notch (312) is trapezoidal, and the long side of the trapezoid is more than 1.5 times of the diameter of the guide wheel (325).
5. The anti-misoperation safety switch for the distribution box according to claim 4, wherein a first permanent magnet is arranged on one surface, which is close to the mounting seat (1), of the tail end of the long end (321) of the swing rod (32); when the guide push block (31) is far away from the swing rod (32) to enable the guide wheel (325) to be separated from the guide groove (311), the mounting base (1) is provided with a second permanent magnet (13) at a position corresponding to the first permanent magnet, and the first permanent magnet and the second permanent magnet (13) are mutually matched and attracted.
6. An outdoor integrated distribution box, characterized in that the distribution box misoperation prevention safety switch according to any one of claims 1-5 is installed.
CN202011420180.0A 2020-12-08 2020-12-08 Block terminal is prevented maloperation safety switch and outdoor block terminal of synthesizing Active CN112688203B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011420180.0A CN112688203B (en) 2020-12-08 2020-12-08 Block terminal is prevented maloperation safety switch and outdoor block terminal of synthesizing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011420180.0A CN112688203B (en) 2020-12-08 2020-12-08 Block terminal is prevented maloperation safety switch and outdoor block terminal of synthesizing

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Publication Number Publication Date
CN112688203A CN112688203A (en) 2021-04-20
CN112688203B true CN112688203B (en) 2022-12-09

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2199615B1 (en) * 2000-10-25 2005-02-16 Talleres De Escoriaza, S.A. HIGH CLOSURE POINT DEVICE FOR EMERGENCY DOOR LOCKS.
US6510587B2 (en) * 2001-05-14 2003-01-28 Sargent & Greenleaf, Inc. Door closure prevention apparatus and method
CN205828998U (en) * 2016-06-02 2016-12-21 广东电网有限责任公司中山供电局 A kind of fool proof blocking device of grounding trolley and switch cubicle
CN207338932U (en) * 2017-08-29 2018-05-08 华仪电气股份有限公司 Anti-misoperation apparatus and switchgear on a kind of switchgear
CN208315419U (en) * 2018-06-27 2019-01-01 Abb瑞士股份有限公司 Blocking device and switchgear for switchgear

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