CN217589862U - Cabinet door interlocking device of switch cabinet - Google Patents

Cabinet door interlocking device of switch cabinet Download PDF

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Publication number
CN217589862U
CN217589862U CN202221708202.8U CN202221708202U CN217589862U CN 217589862 U CN217589862 U CN 217589862U CN 202221708202 U CN202221708202 U CN 202221708202U CN 217589862 U CN217589862 U CN 217589862U
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CN
China
Prior art keywords
cabinet door
locking
chamber
rod
cable
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Active
Application number
CN202221708202.8U
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Chinese (zh)
Inventor
毛振塔
徐情路
徐阳
季德强
卢海镕
林文海
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ZHEJIANG HUAYI ELECTRIC APPLIANCE TECHNOLOGY CO LTD
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ZHEJIANG HUAYI ELECTRIC APPLIANCE TECHNOLOGY CO LTD
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Abstract

The utility model discloses a cubical switchboard cabinet door interlock, install in the cubical switchboard, the cubical switchboard includes the control chamber, the cable chamber, operating device, operation cabinet door and cable cabinet door, interlock includes first locking structure and second locking structure, the transfer line on the first locking structure is moved down the locking operation cabinet door by the operating device drive, the transfer line extrudees second locking structure when moving down, make the locking lever locking cable cabinet door on the second locking structure, and separate at operating device and transfer line, the second reset spring on first reset spring on the first locking structure and the second locking structure can elasticity reset, drive transfer line and locking lever reset and remove, remove the locking to operation cabinet door and cable cabinet door, the benefit of design lies in like this, realize the synchronous locking and the unblock of operation cabinet door and cable cabinet door through first locking structure and second locking structure, make operation cabinet door and cable cabinet door can independently open, each other does not influence, moreover, the steam generator is simple in structure, and convenient and reliable operation.

Description

Cabinet door interlocking device of switch cabinet
Technical Field
The utility model relates to a cubical switchboard technical field, concretely relates to cubical switchboard cabinet door interlock.
Background
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.
The existing switch cabinet comprises an operation chamber and a cable chamber arranged below the operation chamber, a locking plate used for locking a cabinet door of the cable chamber and a locking spring used for applying locking force to the locking plate are arranged in the operation chamber, a cabinet door of the operation chamber and an operation structure of a switch are provided with a five-prevention interlocking mechanism, the five-prevention interlocking mechanism is used for blocking a user to open the cabinet door of the operation chamber when the switch is switched on, when the user needs to replace or overhaul the cable of the cable chamber, the cabinet door of the operation chamber needs to be opened firstly, after the locking plate is moved and unlocked through manual control, the cabinet door of the cable chamber is opened again, finally, the cable in the cable chamber is replaced or overhauled, the whole operation steps are multiple, the operation is troublesome, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the cable chamber cabinet door of the cubical switchboard among the prior art and opens step many, troublesome poeration, the problem that wastes time and energy to an operation cabinet door and cable cabinet door can independently open, the cubical switchboard cabinet door interlock that each other does not influence is provided.
The utility model provides a cubical switchboard cabinet door interlock installs in the cubical switchboard, the cubical switchboard includes the control chamber, and sets up the cable chamber of control chamber below, the control chamber is equipped with operating device and operation cabinet door, the cable chamber is equipped with the cable cabinet door, interlock includes:
the first locking structure is arranged between the operation chamber and the operation cabinet door, and comprises a transmission rod driven by the operation mechanism and a first reset spring sleeved on the transmission rod and applying reset elastic force to the transmission rod, the transmission rod is driven by the operation mechanism to move downwards along the height direction of the operation chamber to lock the operation cabinet door when the operation mechanism performs switching-on or isolation actions, and extrudes the first reset spring to deform the first reset spring, and when the operation mechanism performs grounding actions, the operation mechanism is separated from the transmission rod, the first reset spring elastically resets and drives the transmission rod to reset and move, so that the locking of the operation cabinet door is released;
the second locking structure is arranged at the bottom of the operation chamber corresponding to the transmission rod, and comprises a locking rod which is driven by the transmission rod to extend out of the operation chamber and is matched and locked with the cable cabinet door, and a second return spring which is sleeved on the locking rod and applies return elastic force to the locking rod.
In foretell cubical switchboard cabinet door interlock, second locking structure is including setting up the mounting bracket of control chamber bottom, and with the relative actuating lever that sets up of transfer line, and follow the control chamber horizontal direction is worn to establish on the mounting bracket the locking lever, and connect the actuating lever with the locking lever rotates and sets up conversion turning arm on the mounting bracket, the actuating lever passes through when moving down the conversion turning arm drives the one end of locking lever is followed the control chamber horizontal direction removes and stretches out outside the control chamber.
In foretell cubical switchboard cabinet door interlock, the actuating lever with the locking lever respectively through first slide bar, second slide bar with the both ends linkage cooperation of conversion connecting lever, the conversion connecting lever passes through the bracing piece to rotate to be fixed on the mounting bracket.
In the above-mentioned interlocking device for a cabinet door of a switch cabinet, the mounting bracket is provided with a first strip-shaped groove and a second strip-shaped groove which are matched with the first slide bar and the second slide bar for sliding.
In the above-mentioned switch cabinet door interlock device, the other end of the locking lever is provided with a nut component, one end of the second return spring abuts against the nut component, and the other end of the second return spring abuts against the mounting bracket.
In foretell cubical switchboard cabinet door interlock, first locking structure still including fix mounting panel on the operation cabinet door, and follow mounting panel both ends are towards the last locating plate and the lower locating plate that extend in the operating room, the last locating plate with be equipped with the locating hole on the lower locating plate respectively, the transfer line is worn to establish two in the locating hole.
In the above interlocking device for the cabinet door of the switch cabinet, the transmission rod sequentially penetrates through a first bolt, a second bolt and a third bolt along the length direction of the transmission rod, the upper positioning plate is positioned between the first bolt and the second bolt, and two ends of the first return spring are respectively abutted against the third bolt and the lower positioning plate.
In foretell cubical switchboard cabinet door interlock, the operation cabinet door with the setting of staggering from top to bottom of cable cabinet door, just the operation cabinet door with the cable cabinet door is fixed through the draw-in groove structure respectively the operation room with on the cable chamber, the draw-in groove structure is including setting up the operation room or a plurality of draw-in grooves on the cable chamber, and correspond the draw-in groove sets up the operation cabinet door or joint post on the cable cabinet door, joint post joint is fixed in the draw-in groove.
Compared with the prior art, the technical scheme of the utility model have the following advantage:
1. the utility model provides a cubical switchboard cabinet door interlock, when the cubical switchboard switches to combined floodgate station or isolation station, the last transfer line of first locking structure is in operating device drives down along the control chamber direction of height and moves down locking operation cabinet door, and the transfer line move down the in-process can with second locking structure cooperation, make locking lever in the second locking structure stretches out the outer locking cable cabinet door of operating chamber, thereby prevent the operation cabinet door with the cable cabinet door is opened when the cubical switchboard circular telegram to and when the cubical switchboard switches to ground connection station, operating device with the transfer line separation, the cover is established respectively this moment the transfer line with first reset spring and second reset spring on the locking lever can the elasticity reset, thereby the drive the transfer line with the locking lever resets and removes, and it is right to relieve the operation cabinet door with the locking of cable cabinet door, the benefit of design like this lies in that the cabinet door, realizes through first locking structure and second locking structure the operation cabinet door with the synchronous locking and the unblock of cable cabinet door, makes the operation cabinet door with the cable can independently open, each other is not influenced, simple structure, and convenient operation is reliable.
2. The utility model provides a cubical switchboard cabinet door interlock, because the actuating lever and locking lever are connected to the conversion turning arm, will through the rotation of conversion turning arm the actuating lever is followed the vertical motion conversion that the control chamber direction of height removed becomes the locking lever is followed the transverse motion that the control chamber horizontal direction removed, the transmission is reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a switch cabinet provided by the present invention;
fig. 2 is a sectional view of the cabinet door interlocking device of the switch cabinet provided by the utility model installed in the switch cabinet;
FIG. 3 is an enlarged, fragmentary, schematic view of a first locking structure of the switchgear door interlock arrangement shown in FIG. 2;
FIG. 4 is a schematic diagram of the interior structure of the switch cabinet shown in FIG. 1 after the operation cabinet door and the cable cabinet door are hidden;
FIG. 5 is a schematic structural view of the operating cabinet door shown in FIG. 1;
FIG. 6 is a schematic structural view of the cable cabinet door shown in FIG. 1;
FIG. 7 is a schematic structural view of a second locking structure shown in FIG. 2;
FIG. 8 is an internal schematic view of the second locking arrangement shown in FIG. 7;
description of reference numerals:
1-a switch cabinet;
2-an operation chamber; 21-an operating mechanism; 22-operating the cabinet door; 23-a pressing plate;
3-a cable chamber; 31-cable cabinet door;
4-a first locking structure; 41-a transmission rod; 42-a first return spring; 43-a mounting plate; 44-upper positioning plate; 45-lower positioning plate; 46-positioning holes; 47-a first pin; 48-a second bolt; 49-a third bolt;
5-a second locking structure; 51-a locking bar; 511-locking hole; 52-a second return spring; 53-a mounting frame; 531-first bar groove; 532-a second strip groove; 54-a drive rod; 55-switching crank arms; 56-a first slide bar; 57-a second slide bar; 58-support bar; 59-a nut assembly;
61-card slot; 62-clamping column.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
The present embodiment is described in detail below with reference to the accompanying drawings:
the utility model provides a cubical switchboard cabinet door interlock as shown in fig. 1-8 installs in cubical switchboard 1, cubical switchboard 1 includes control chamber 2, and sets up cable chamber 3 of 2 below control chambers, control chamber 2 is equipped with operating device 21 and operation cabinet door 22, cable chamber 3 is equipped with cable cabinet door 31, interlock includes:
the first locking structure 4 is arranged between the operation chamber 2 and the operation cabinet door 22, and comprises a transmission rod 41 driven by the operation mechanism 21 and a first return spring 42 sleeved on the transmission rod 41 and applying a return elastic force to the transmission rod 41, when the operation mechanism 21 performs a closing or isolating action, the transmission rod 41 is driven by the operation mechanism 21 to move downwards along the height direction of the operation chamber 2 to lock the operation cabinet door 22 and extrude the first return spring 42 to deform, and when the operation mechanism 21 performs a grounding action, the operation mechanism 21 is separated from the transmission rod 41, the first return spring 42 elastically returns and drives the transmission rod 41 to return to move, so that the locking of the operation cabinet door 22 is released;
the second locking structure 5 is arranged at the bottom of the operating chamber 2 corresponding to the transmission rod 41, and comprises a locking rod 51 driven by the transmission rod 41 to extend out of the operating chamber 2 to be matched and locked with the cable cabinet door 31, and a second return spring 52 sleeved on the locking rod 51 and applying a return elastic force to the locking rod 51.
The above embodiment is a core technical solution of this embodiment, when the switch cabinet 1 is switched to a closing station or an isolating station, the driving rod 41 on the first locking structure 4 moves downwards along the height direction of the operating chamber 2 under the driving of the operating mechanism 21 to lock the operating cabinet door 22, and the driving rod 41 cooperates with the second locking structure 5 in the moving downwards process, so that the locking rod 51 on the second locking structure 5 extends out of the operating chamber 2 and extends into the locking hole 511 of the cable cabinet door 31 to lock the cable cabinet door 31, thereby preventing the operating cabinet door 22 and the cable cabinet door 31 from being opened when the switch cabinet 1 is powered on, and when the switch cabinet 1 is switched to a grounding station, the operating mechanism 21 is separated from the driving rod 41, and at this time, the first return spring 42 and the second return spring 52 respectively sleeved on the driving rod 41 and the locking rod 51 are elastically returned to drive the locking rod 41 and the cable cabinet door 51 to return to move, so as to release the locking of the operating cabinet door 22 and the cable cabinet door 31, which is designed to realize that the locking of the cabinet door 22 and the cable cabinet door 31 are not easily unlocked, and the cable cabinet 22 and the cable cabinet 31 can be unlocked easily.
As a specific structure, the second locking structure 5 includes a mounting bracket 53 disposed at the bottom of the operation chamber 2, a driving rod 54 disposed opposite to the driving rod 41, a locking rod 51 disposed on the mounting bracket 53 in a horizontal direction of the operation chamber 2, and a switching lever 55 connecting the driving rod 54 and the locking rod 51 and rotatably disposed on the mounting bracket 53, wherein when the driving rod 54 moves downward, the switching lever 55 drives one end of the locking rod 51 to move in the horizontal direction of the operation chamber 2 and extend out of the operation chamber 2, and when the driving rod 54 moves downward, the rotation of the switching lever 55 converts the vertical movement of the driving rod 54 moving in the height direction of the operation chamber 2 into the lateral movement of the locking rod 51 moving in the horizontal direction of the operation chamber 2, so that the driving rod 54 is reliably driven, and meanwhile, opposite ends of the driving rod 54 and the driving rod 41 are provided with pressing bosses for enlarging pressing areas of the driving rod 54 and the driving rod 41, so that the driving rod 54 can be smoothly pressed when the driving rod 41 moves downward.
As shown in fig. 7-8, the driving rod 54 and the locking rod 51 are respectively in linkage fit with two ends of the switching connecting lever 55 through a first sliding rod 56 and a second sliding rod 57, the switching connecting lever 55 is rotationally fixed on the mounting frame 53 through a supporting rod 58, the switching connecting lever 55 rotates around the supporting rod 58, and in the rotating process, the driving rod 54 and the locking rod 51 are driven by the first sliding rod 56 and the second sliding rod 57 to move synchronously, and further, the mounting frame 53 is provided with a first strip-shaped groove 531 and a second strip-shaped groove 532 which are in sliding fit with the first sliding rod 56 and the second sliding rod 57, and the sliding directions of the locking rod 51 and the driving rod 54 are guided by the two strip-shaped grooves, so that the problem of movement deflection is avoided.
As a specific structure, a nut assembly 59 is arranged at the other end of the locking rod 51, and the second return spring 52 is conveniently sleeved on the locking rod 51 by the nut assembly 59 which is detachably arranged, so that one end of the second return spring 52 abuts against the nut assembly 59, and the other end of the second return spring abuts against the mounting frame 53, and the locking rod is simple in structure and convenient to mount.
The specific arrangement of the first locking structure 4 is described in detail below with reference to fig. 2-5:
the first locking structure 4 further includes a mounting plate 43 fixed on the operation cabinet door 22, and an upper positioning plate 44 and a lower positioning plate 45 extending from two ends of the mounting plate 43 toward the operation chamber 2, wherein the upper positioning plate 44 and the lower positioning plate 45 are respectively provided with positioning holes 46, the transmission rod 41 is inserted into the two positioning holes 46, and the two positioning holes 46 provide mounting positions for the transmission rod 41 and guide the sliding direction of the transmission rod 41, so as to ensure that the transmission rod 41 does not have a deviation problem.
As a specific structure, a first bolt 47, a second bolt 48 and a third bolt 49 are sequentially inserted into the transmission rod 41 along the length direction thereof, the upper positioning plate 44 is located between the first bolt 47 and the second bolt 48, the pressing plate 23 for pressing the transmission rod 41 is arranged on the operating mechanism 21, when the switch cabinet 1 is switched to a closing station or an isolating station, the operating mechanism 21 presses the transmission rod 41 through the pressing plate 23 until the first bolt 47 on the transmission rod 41 abuts against the upper positioning plate 44, at this time, the operating cabinet door 22 cannot move upwards and is opened, meanwhile, because both ends of the first return spring 42 respectively abut against the third bolt 49 and the lower positioning plate 45, the third bolt 49 on the transmission rod 41 can press the first return spring 42 to deform and store energy, when the switch cabinet 1 is switched to a grounding station, the pressing plate 23 is separated from the transmission rod 41, the first return spring 42 elastically returns to push the transmission rod 41 to move upwards until the second bolt 48 abuts against the upper positioning plate 44.
As shown in fig. 4-6, operation cabinet door 22 with the setting of staggering from top to bottom of cable cabinet door 31, just operation cabinet door 22 with cable cabinet door 31 is fixed through the draw-in groove structure respectively the operating chamber 2 with on the cable chamber 3, the draw-in groove structure is including setting up operating chamber 2 or a plurality of draw-in grooves 61 on the cable chamber 3, and correspond draw-in groove 61 sets up operation cabinet door 22 or joint post 62 on the cable cabinet door 31, joint post 62 joint is fixed in the draw-in groove 61, in this embodiment, the opening direction of draw-in groove 61 all is up, so first locking structure 4 and second locking structure 5 only need prevent operation cabinet door 22 or cable cabinet door 31 shifts up, just can prevent that the two from being opened.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (8)

1. The utility model provides a cubical switchboard cabinet door interlock installs in cubical switchboard (1), cubical switchboard (1) includes control chamber (2), and sets up cable chamber (3) of control chamber (2) below, control chamber (2) are equipped with operating device (21) and operation cabinet door (22), cable chamber (3) are equipped with cable cabinet door (31), its characterized in that, interlock includes:
the first locking structure (4) is arranged between the operation chamber (2) and the operation cabinet door (22), and comprises a transmission rod (41) driven by the operation mechanism (21) and a first return spring (42) sleeved on the transmission rod (41) and applying a return elastic force to the transmission rod (41), when the operation mechanism (21) performs switching-on or isolation action, the transmission rod (41) is driven by the operation mechanism (21) to move downwards along the height direction of the operation chamber (2) to lock the operation cabinet door (22) and extrude the first return spring (42) to deform the operation cabinet door, when the operation mechanism (21) performs grounding action, the operation mechanism (21) is separated from the transmission rod (41), and the first return spring (42) elastically returns and drives the transmission rod (41) to reset to move, so that the operation cabinet door (22) is unlocked;
the second locking structure (5) is arranged at the bottom of the operation chamber (2) corresponding to the transmission rod (41), and comprises a locking rod (51) which is driven by the transmission rod (41) to extend out of the operation chamber (2) and is matched and locked with the cable cabinet door (31), and a second return spring (52) which is sleeved on the locking rod (51) and exerts return elastic force on the locking rod (51).
2. The cabinet door interlocking device of the switch cabinet according to claim 1, wherein the second locking structure (5) comprises an installation frame (53) arranged at the bottom of the operation chamber (2), a driving rod (54) arranged opposite to the driving rod (41), the locking rod (51) arranged on the installation frame (53) in a penetrating manner along the horizontal direction of the operation chamber (2), and a conversion crank arm (55) connected with the driving rod (54) and the locking rod (51) and arranged on the installation frame (53) in a rotating manner, and when the driving rod (54) moves downwards, one end of the locking rod (51) is driven by the conversion crank arm (55) to move along the horizontal direction of the operation chamber (2) and extend out of the operation chamber (2).
3. The switch cabinet door interlocking device according to claim 2, characterized in that the driving rod (54) and the locking rod (51) are respectively in linkage fit with two ends of the conversion crank arm (55) through a first sliding rod (56) and a second sliding rod (57), and the conversion crank arm (55) is rotationally fixed on the mounting frame (53) through a supporting rod (58).
4. A switch cabinet door interlock according to claim 3, characterized in that the mounting bracket (53) is provided with a first and a second bar-shaped groove (531, 532) which slide in cooperation with the first and second slide bars (56, 57).
5. The cabinet door interlocking device of the switch cabinet according to claim 2, wherein the other end of the locking rod (51) is provided with a nut component (59), one end of the second return spring (52) abuts against the nut component (59), and the other end abuts against the mounting frame (53).
6. A switch cabinet door interlock according to any one of claims 1 to 5, characterized in that the first locking structure (4) further comprises a mounting plate (43) fixed to the operating cabinet door (22), and an upper positioning plate (44) and a lower positioning plate (45) extending from both ends of the mounting plate (43) toward the inside of the operating chamber (2), wherein the upper positioning plate (44) and the lower positioning plate (45) are respectively provided with positioning holes (46), and the transmission rod (41) is inserted into the two positioning holes (46).
7. The switch cabinet door interlock device according to claim 6, wherein a first bolt (47), a second bolt (48) and a third bolt (49) are sequentially arranged in the transmission rod (41) along the length direction of the transmission rod in a penetrating manner, the upper positioning plate (44) is positioned between the first bolt (47) and the second bolt (48), and two ends of the first return spring (42) are respectively abutted against the third bolt (49) and the lower positioning plate (45).
8. The switch cabinet door interlocking device according to claim 1, characterized in that the operation cabinet door (22) and the cable cabinet door (31) are arranged in a vertically staggered manner, the operation cabinet door (22) and the cable cabinet door (31) are respectively fixed on the operation chamber (2) and the cable chamber (3) through a clamping groove structure, the clamping groove structure comprises a plurality of clamping grooves (61) arranged on the operation chamber (2) or the cable chamber (3) and clamping columns (62) arranged on the operation cabinet door (22) or the cable cabinet door (31) corresponding to the clamping grooves (61), and the clamping columns (62) are clamped and fixed in the clamping grooves (61).
CN202221708202.8U 2022-07-01 2022-07-01 Cabinet door interlocking device of switch cabinet Active CN217589862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221708202.8U CN217589862U (en) 2022-07-01 2022-07-01 Cabinet door interlocking device of switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221708202.8U CN217589862U (en) 2022-07-01 2022-07-01 Cabinet door interlocking device of switch cabinet

Publications (1)

Publication Number Publication Date
CN217589862U true CN217589862U (en) 2022-10-14

Family

ID=83533242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221708202.8U Active CN217589862U (en) 2022-07-01 2022-07-01 Cabinet door interlocking device of switch cabinet

Country Status (1)

Country Link
CN (1) CN217589862U (en)

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Effective date of registration: 20230908

Granted publication date: 20221014

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