CN212907530U

CN212907530U - Aerify cabinet interlocking subassembly

Info

Publication number: CN212907530U
Application number: CN202020979191.1U
Authority: CN
Inventors: 孙维林
Original assignee: Mabert Jiangsu Electrical Technology Co ltd
Current assignee: Mabert Jiangsu Electrical Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-06
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses an aerify cabinet interlocking subassembly, it includes the cable chamber of mechanism room and mechanism room below to aerify the cabinet, interlocking subassembly includes earthing switch operating nut, R type axle separation blade, travel switch, linkage piece, lock axle, couple, interlocking support frame and coil spring. The utility model discloses a mode of mechanical hard interlocking, simple to operate can realize not combining earthing switch and just can not open cable chamber cabinet door, does not open cable chamber cabinet door and just can't open mechanism's room cabinet door, can prevent the maloperation, improves the security and the stability of aerifing the cabinet.

Description

Aerify cabinet interlocking subassembly

Technical Field

The utility model relates to an aerify cabinet technical field, concretely relates to aerify cabinet interlocking subassembly.

Background

The gas-filled cabinet is also called indoor alternating current high-voltage gas-insulated metal-enclosed switchgear, and is suitable for occasions with higher requirements on electricity consumption. In order to protect and facilitate operation, interlocking components are arranged among all the components in the inflatable cabinet. Only when the grounding switch is closed, the cable chamber cabinet door can be opened; only when the cable chamber cabinet door is opened can the mechanism chamber cabinet door be opened. Wherein, the reliability of interlocking subassembly directly influences the normal operating of aerifing the cabinet, in case the interlocking became invalid, probably causes the maloperation very much, leads to aerifing the cabinet and damages, finally leads to aerifing the condition that the large tracts of land outage appears in the return circuit that the cabinet is located. The interlocking assembly of the mechanism chamber and the cable chamber of the traditional inflating cabinet generally adopts soft interlocking, has complex structure, complex assembly, inconvenient operation and low safety.

For this reason, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides an aerify cabinet interlocking subassembly, aerify the cabinet and include mechanism room and the cable chamber of mechanism room below, interlocking subassembly includes earthing switch operating nut, R type axle separation blade, travel switch, linkage piece, lock axle, couple, interlocking support frame and coil spring.

Furthermore, the interlocking support frame is fixed in the mechanism chamber, a rectangular lock hole through which the lock shaft can pass is formed in a bottom plate of the mechanism chamber, the lock shaft passes through the rectangular lock hole and is provided with a hook, the hook is fixed at the bottom end of the lock shaft, a cabinet door of the cable chamber is provided with an inward flange, a hook clamping groove clamped with the hook is formed in the middle of the top end of the inward flange, the spiral spring is sleeved on the lock shaft, the bottom end of the spiral spring is abutted against the bottom of the interlocking support frame, a linkage piece is arranged at the top end of the spiral spring and fixed on the lock shaft, a travel switch is arranged below one end of the linkage piece and mounted at the bottom end of the side face of the interlocking support frame, one end of an R-shaped shaft blocking piece is matched with the linkage piece, and the other end of the R-shaped shaft blocking piece is sleeved on the.

Further, the R-shaped shaft blocking piece comprises an annular body portion sleeved on the earthing switch operation nut and an abutting portion extending from the body portion, and the abutting portion abuts against and pushes the linkage piece downwards through rotation of the earthing switch operation nut.

Furthermore, the linkage piece is an integrally formed stainless steel linkage piece combined by multidirectional L-shaped parts, and comprises a right L-shaped part above the travel switch, a middle L-shaped part abutted against the abutting part of the R-shaped shaft blocking piece and a left L-shaped part extending out of the mechanism chamber.

Further, when the cabinet door of the inflatable cabinet is closed and the grounding switch is in a separated state through rotation of the grounding switch operation nut, the L-shaped part at the right end of the linkage piece presses the inner side of the cabinet door of the mechanism chamber, the L-shaped part at the middle end of the linkage piece is pressed down by the R-shaped shaft blocking piece, and the L-shaped part at the left end of the linkage piece pushes the travel switch downwards.

Further, the hook comprises a fixed vertical part and a right-angle wedge-shaped hook part radially extending out from the bottom of the fixed vertical part, the right-angle wedge-shaped hook part is provided with an upper edge surface inclining downwards and a lower edge surface in the horizontal direction, and the upper edge surface and the lower edge surface are oppositely arranged and extend to form an arc-shaped hook tongue.

Furthermore, the hook clamping groove is an inverted L-shaped clamping groove.

The utility model has the advantages that: the utility model adopts a mechanical hard interlocking mode, is convenient to install, can realize that the cable chamber cabinet door can not be opened without the earthing switch, and the mechanism chamber cabinet door can not be opened without opening the cable chamber cabinet door, thereby preventing misoperation and improving the safety and stability of the gas-filled cabinet; the utility model has the advantages of beautiful appearance, uneasy deformation, safety and reliability, and effectively ensures the interlocking effect of the cable chamber and the mechanism chamber; the right-angle wedge-shaped hook part of the utility model is clamped with the inverted L-shaped clamping groove, so that the service life is long, and the interlocking effect of a cable chamber and a mechanism chamber is further ensured; the utility model discloses a travel switch is pushed up the return circuit effect that forms after moving, has further guaranteed the power consumption security of aerifing the cabinet.

Drawings

Fig. 1 is a schematic structural diagram of an inflatable cabinet.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the hook clamping groove of the present invention.

Fig. 4 is a schematic structural diagram of the travel switch of the present invention.

In the figure: 1. the gas-insulated switchgear, 2, mechanism room, 3, cable chamber, 4, interlocking subassembly, 5, earthing switch operating nut, 6, R type axle separation blade, 7, travel switch, 8, linkage piece, 9, lock axle, 10, couple, 11, interlocking support frame, 12, coil spring, 13, rectangle lockhole, 14, turn-ups, 15, couple draw-in groove, 16, annular body portion, 17, butt portion, 18, right-hand member L type portion, 19, middle-end L type portion, 20, left end L type portion, 21, fixed vertical portion, 22, right angle wedge hook portion, 23, last edgewise, 24, lower edgewise, 25, circular-arc coupler tongue.

Detailed Description

As shown in fig. 1 and 2, an interlocking assembly of an inflatable cabinet, the inflatable cabinet 1 comprises a mechanism chamber 2 and a cable chamber 3 below the mechanism chamber 2, and is characterized by comprising an earthing switch operating nut 5, an R-shaped shaft blocking piece 6, a travel switch 7, a linkage piece 8, a lock shaft 9, a hook 10, an interlocking support frame 11 and a spiral spring 12.

Interlocking support frame 11 is fixed in mechanism room 2, be equipped with the rectangle lockhole 13 that can supply lock axle 9 to pass on the bottom plate of mechanism room 2, lock axle 9 passes rectangle lockhole 13 and is equipped with couple 10, couple 10 is fixed in the bottom of lock axle 9, the cabinet door of cable chamber 3 is equipped with interior turn-ups 14, the middle part in 14 tops of interior turn-ups is equipped with the couple draw-in groove 15 with couple 10 looks joint, coil spring 12 overlaps locates on lock axle 9, the bottom of coil spring 12 offsets with the bottom of interlocking support frame 11, the top of coil spring 12 is equipped with linkage piece 8, linkage piece 8 is fixed in on lock axle 9, the below of 8 one end of linkage piece is equipped with travel switch 7, travel switch 7 installs the side bottom at interlocking support frame 11, the one end of R type axle separation blade 6 cooperatees with linkage piece 8, the other end cover of R type axle separation blade 6 is located on earthing switch.

The R-shaped shaft stopper 6 includes an annular body portion 16 fitted over the earthing switch operating nut 5 and an abutting portion 17 extending from the body portion, and the abutting portion 17 abuts and pushes the link plate 8 downward by the rotation of the earthing switch operating nut 5.

The link plate 8 is an integrally formed stainless steel link plate 8 composed of multi-directional L-shaped portions, and the link plate 8 includes a right L-shaped portion 18 above the stroke switch 7, a middle L-shaped portion 19 abutting against the abutting portion 17 of the R-shaped shaft stopper 6, and a left L-shaped portion 20 extending out of the mechanism chamber 2.

The hook 10 comprises a fixed vertical part 21 and a right-angle wedge-shaped hook part 22 extending from the bottom of the fixed vertical part 21 in the radial direction, the right-angle wedge-shaped hook part 22 is provided with an upper edge surface 23 inclining downwards and a lower edge surface 24 in the horizontal direction, and the upper edge surface 23 and the lower edge surface 24 are arranged oppositely and extend to form an arc-shaped hook tongue 25.

The hook clamping groove 15 is an inverted L-shaped clamping groove.

The working process is as follows: when the grounding switch operating nut 5 rotates leftwards through the operating nut, the grounding switch is in a separated state, the R-shaped shaft blocking piece 6 presses the middle-end L-shaped part 19 of the linkage piece 8 downwards, the right-end L-shaped part 18 of the linkage piece 8 is driven to press the inner side of the cabinet door of the mechanism chamber 2, the linkage piece 8 drives the lock shaft 9 to move downwards, so that the hook 10 is clamped with the hook clamping groove 15 of the cabinet door of the cable chamber 3, the cabinet door of the cable chamber 3 cannot be opened, and the cabinet door of the mechanism chamber 2 cannot be opened without opening the cabinet door of the cable chamber 3; in addition, the left end L-shaped part 20 of the linkage sheet 8 is driven by the middle end L-shaped part 19 to push the travel switch 7 downwards, so that the normally closed point of the travel switch 7 forms a loop, and even if the cabinet door of the cable chamber 3 can be opened, the cabinet door is also non-electric.

When the earthing switch operation nut 5 rotates rightwards through the operation nut, the earthing switch is in a closing state, the R-shaped shaft blocking piece 6 leaves the middle-end L-shaped part 19 of the linkage piece 8, under the reset action of the spiral spring, the left-end L-shaped part 20 of the linkage piece 8 leaves the travel switch 7, the right-end L-shaped part 18 of the linkage piece 8 leaves the cabinet door of the mechanism chamber 2, the lock shaft 9 moves upwards, the hook 10 leaves the hook clamping groove 15 of the cabinet door of the cable chamber 3, and the cabinet door of the cable chamber 3 can be opened at the moment.

Claims

1. The utility model provides an aerify cabinet interlocking subassembly, aerify cabinet (1) including mechanism room (2) and cable chamber (3) of mechanism room (2) below, its characterized in that, including earthing switch operating nut (5), R type axle separation blade (6), travel switch (7), linkage piece (8), lock axle (9), couple (10), interlocking support frame (11), couple draw-in groove (15) and coil spring (12).

2. The interlocking assembly of the inflatable cabinet according to claim 1, wherein the interlocking support frame (11) is fixed in the mechanism chamber (2), a rectangular locking hole (13) for the locking shaft (9) to pass through is formed in a bottom plate of the mechanism chamber (2), a hook (10) is arranged on the locking shaft (9) through the rectangular locking hole (13), the hook (10) is fixed at the bottom end of the locking shaft (9), an inward flange (14) is arranged on a cabinet door of the cable chamber (3), a hook clamping groove (15) clamped with the hook (10) is formed in the middle of the top end of the inward flange (14), the spiral spring (12) is sleeved on the locking shaft (9), the bottom end of the spiral spring (12) abuts against the bottom of the interlocking support frame (11), a linkage piece (8) is arranged at the top end of the spiral spring (12), and the linkage piece (8) is fixed on the locking shaft (9), the lower side of linkage piece (8) one end is equipped with travel switch (7), travel switch (7) are installed in the side bottom of interlocking support frame (11), the one end of R type axle separation blade (6) with linkage piece (8) cooperate, the other end cover of R type axle separation blade (6) is located on earthing switch operating nut (5).

3. An inflatable cabinet interlock assembly according to claim 2, wherein the R-shaped shaft blocking piece (6) comprises an annular body portion (16) sleeved on the earthing switch operating nut (5) and an abutting portion (17) extending from the body portion, and the abutting portion (17) abuts and pushes the linkage piece (8) downwards by rotation of the earthing switch operating nut (5).

4. The interlocking assembly of the gas-filled cabinet according to claim 3, characterized in that the linkage piece (8) is an integrally formed stainless steel linkage piece (8) combined by multi-directional L-shaped parts, and the linkage piece (8) comprises a right L-shaped part (18) above the travel switch (7), a middle L-shaped part (19) abutting against the abutting part (17) of the R-shaped shaft baffle (6) and a left L-shaped part (20) extending out of the mechanism chamber (2).

5. An interlocking assembly according to claim 4, characterized in that when the door of the gas-filled cabinet is closed and the earthing switch is in a separated state by the rotation of the earthing switch operating nut (5), the right L-shaped part (18) of the linkage piece (8) presses the inner side of the door of the mechanism chamber (2), the middle L-shaped part (19) of the linkage piece (8) is pressed down by the R-shaped shaft catch (6), and the left L-shaped part (20) of the linkage piece (8) pushes down the travel switch (7).

6. An air-filled cabinet interlocking assembly according to claim 1, wherein the hook (10) comprises a fixed vertical part (21) and a right-angle wedge-shaped hook part (22) radially extending from the bottom of the fixed vertical part (21), the right-angle wedge-shaped hook part (22) is provided with an upper edge surface (23) which is inclined downwards and a lower edge surface (24) which is horizontal, and the upper edge surface (23) and the lower edge surface (24) are arranged oppositely to extend to form a circular arc-shaped knuckle (25).

7. An inflatable cabinet interlocking assembly as claimed in claim 1, wherein the hook slot (15) is an inverted L-shaped slot.