CN208890138U - A kind of switchgear with Protective lock - Google Patents

Abstract

The utility model relates to earthing switch safety operation fields, disclose a kind of switchgear with Protective lock, including cabinet body and cabinet door, the cabinet door includes upper cabinet door and lower cabinet door, the cabinet body one side wall and with the upper cabinet door corresponding position be equipped with switch handle hole, it is described switch handle hole on be equipped with can limit switch protective device.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, the protective device installed on switch handle hole can limit the operation to the switch being located in switch handle hole, to avoid the maloperation of layman, be conducive to the stabilization of power transmission and distribution, while also avoiding causing damages to switchgear and operator.

Description

A kind of switchgear with Protective lock

Technical field

The utility model relates to earthing switch safety operation field, more specifically, it relates to a kind of with Protective lock Switchgear.

Background technique

Earthing switch is the mechanical switch for circuit ground part, it can carry non-normal condition within a certain period of time Under electric current, such as short circuit current, but it is not required to carry the electric current under the conditions of normal circuit.

Currently, the Chinese patent of Publication No. CN105047452A discloses a kind of switch-cabinet grounding interlock, including Cabinet body and cabinet door, are equipped with earthing switch in cabinet body, earthing switch include be mounted on by mounting rack the intracorporal grounding contact of cabinet, It is grounded contact knife, ground connection divide-shut brake spring mechanism and ground connection operation panel, ground connection contact knife is mounted on mounting rack by being grounded shaft, connects Ground connection turntable is installed in ground shaft, is grounded between operation panel and ground connection turntable and ground connection joining beam is installed；Behaviour is offered in cabinet door It is used as the handle hole of earthing switch.

But the above-mentioned handle hole for being used for operational grounding switch in the prior art, in cabinet door does not have any protection, it is amateur Personnel are possible to the operation closed a floodgate or opened a sluice gate to earthing switch, thus may result in power transmission and distribution shakiness, it is also possible to It causes damages to switchgear and operator, therefore still has much room for improvement.

Utility model content

In view of the deficienciess of the prior art, can keep away the utility model lies in that provide a kind of switchgear with Protective lock Exempt from layman and maloperation is carried out to handle hole, keeps power transmission and distribution more stable, also avoid that switchgear and operator are caused to endanger Evil.

To achieve the above object, the utility model provides following technical solution:

A kind of switchgear with Protective lock, including cabinet body and cabinet door, the cabinet door include upper cabinet door and lower cabinet door, described Cabinet body one side wall and it is equipped with switch handle hole with the upper cabinet door corresponding position, being equipped on the switch handle hole can limit switch Protective device.

By using above-mentioned technical proposal, in the switch controls cabinet body in switch handle hole that cabinet body one side wall is equipped with Ground connection interlocking switching, switching the protective device installed on handle hole can limit to the switch being located in switch handle hole Operation, to avoid the maloperation of layman, is conducive to the stabilization of power transmission and distribution, while also avoiding to switchgear and operator Member causes damages.

The utility model is further arranged to: the protective device includes positioning plate, locking plate and fixed plate, the positioning plate It is fixed on the switch handle hole, is rotatably connected to locking plate in the middle part of the positioning plate, in the one side wall of the cabinet body front end Place is fixed with fixed plate corresponding with the locking plate in the outer part, and the locking plate is mutually solid by locking structure and the fixed plate It is fixed.

By using above-mentioned technical proposal, the rotation of the locking plate that is rotatablely connected on positioning plate and with pair in cabinet body front end side wall The fixed plate answered is fixed, from regardless of quilt in the middle part of examiner's handle hole can be connected to by gear after the operation opened a sluice gate or closed a floodgate The up and down motion of the locking plate limit switch of locking, to prevent layman is split from putting row maloperation into and cause power transmission and distribution unstable It is fixed, also avoid danger.

The utility model is further arranged to: the locking structure includes connecting rod and clamping seat, and the locking plate is far from institute The one end for stating cabinet body bends and is formed extension block, is in after being provided with horizontal extension and bending towards the fixed plate in the extension block The mounting groove of L-type, the mounting groove is interior to be equipped with mobilizable and L-shaped connecting rod, and the fixed plate is close to the connecting rod Side wall on be fixed with clamping seat, the clamping groove with the clamping of the lower part of the connecting rod is formed on the clamping seat.

By using above-mentioned technical proposal, the connecting rod in extension block is corresponding with the clamping seat in fixed plate, and further The locking that extension block and fixed plate are realized by the clamping of mobilizable connecting rod and clamping groove, to avoid layman light Switch easy to operate.

The utility model is further arranged to: the lower part of the connecting rod is fixed with mandril, and the mandril is arranged in described The bottom of extension block, the bottom of the extension block are formed with through hole, and the lower part of the mandril is fixed with can be in the through hole Interior movable button.

By using above-mentioned technical proposal, the mandril that connecting rod lower part is arranged in extension block bottom makes to be externally controlled connection The process of bar moved up is more convenient for realizing, while the button of mandril lower part can increase the contact area of manpower and mandril, makes to operate It is more comfortable.

The utility model is further arranged to: being fixed with spring at the top of the connecting rod.

By using above-mentioned technical proposal, the fixed spring in the top of connecting rod realizes the bullet of connecting rod in the vertical direction Sexuality, and reset connecting rod can under the effect of the restoring force of spring after moving up, realize the stabilization of connecting rod and clamping groove Clamping.

The utility model is further arranged to: the locking plate is fixed with the fixed plate by fixed structure, the fixation Structure includes magnet and iron plate, and the extension block is fixed with magnet close to the side of the fixed plate, fixes in the fixed plate There is the iron plate attracting with the magnet.

By using above-mentioned technical proposal, the iron plate on magnet and fixed plate on extension block is attracting, thus when locking plate with Preliminary fixation of the fixed plate to locking plate and fixed plate when corresponding to.

The utility model is further arranged to: the side of the positioning plate is fixed with connector sleeve, the locking plate and the company The corresponding one end of female connector is fixed with support rod, and the both ends undergauge of the support rod and has extended to form extension rod, the extension Bar is plugged in the connector sleeve.

By using above-mentioned technical proposal, the support rod on locking plate is corresponding with the connector sleeve on positioning plate, and on support rod The extension rod that undergauge extends is plugged in corresponding connector sleeve, to make locking plate can be with support rod direction of axis line, relative positioning Plate rotates, and gear is connected to the middle part of switch handle hole, limits the operation of switch.

The utility model is further arranged to: being corresponded to the switch handle hole on the positioning plate and is formed with relief hole；Institute The upper and lower ends for stating positioning plate have extended to form fixinig plate, be formed on the fixinig plate can fixing rivet mounting hole.

By using above-mentioned technical proposal, the mistake of Operation switch when the relief hole formed on positioning plate to inductive switch handle hole Journey is not influenced by positioning plate, more reasonable structure；Fixing rivet realizes the fixation of positioning plate on fixinig plate.

In conclusion the utility model has the following beneficial effects:

1. the protective device installed on switch handle hole can limit the operation to the switch being located in switch handle hole, by fixed The locking plate being rotatablely connected on the plate of position is rotated and is fixed with corresponding fixed plate is located in the one side wall of cabinet body front end in the outer part, thus nothing After the operation opened a sluice gate or closed a floodgate, the upper of locking plate limit switch locked in the middle part of examiner's handle hole can be connected to by keeping off Thus lower movement avoids layman is split from putting row maloperation into and cause power transmission and distribution unstable, also avoid to switchgear and behaviour It causes damages as personnel；

2. the connecting rod in extension block on locking plate is corresponding with the clamping seat in fixed plate, and further by mobilizable The locking of extension block and fixed plate is realized in the clamping of connecting rod and clamping groove, and operator need to deviate from connecting rod from clamping groove Capable operation split can be just put into, to can avoid layman's easy operation switch；

3. the mandril that connecting rod lower part is arranged in extension block bottom makes to be externally controlled the process of connecting rod moved up more just The contact area of manpower and mandril can be increased in the button of realization, while mandril lower part, keep operation more comfortable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the present embodiment；

Fig. 2 is the enlarged diagram of part A in Fig. 1；

Fig. 3 is the locking plate of the present embodiment and the schematic cross-sectional view that positioning plate, fixed plate cooperate；

Fig. 4 is the enlarged diagram of part B in Fig. 3；

Fig. 5 is the enlarged diagram of C portion in Fig. 3；

Fig. 6 is the enlarged diagram of the part D in Fig. 3.

Appended drawing reference: 1, cabinet body；2, cabinet door；3, handle hole is switched；4, protective device；5, positioning plate；51, fixinig plate；52, Rivet；53, relief hole；54, connector sleeve；6, locking plate；61, support rod；62, extension rod；7, fixed plate；8, fixed structure；81, magnetic Iron；82, iron plate；9, extension block；91, mounting groove；92, accommodating cavity；93, through hole；10, locking structure；11, connecting rod；111, Spring；112, mandril；113, button；12, it is clamped seat；121, clamping groove.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of switchgear with Protective lock, as shown in Figure 1, 2, including cabinet body 1 and cabinet door 2, cabinet door 2 include upper cabinet door with Lower cabinet door place and is equipped with switch handle hole 3 with upper cabinet door corresponding position in the outer part in the one side wall of 1 front end of cabinet body, passes through switch What the switch controls ground connection in handle hole 3 interlocked opens a sluice gate or closes a floodgate.

As shown in Figure 1, 2, switch handle hole 3 on protective device 4 is installed, by protective device 4 can limit switch behaviour Make, to can avoid maloperation of the layman to switch, causes power transmission and distribution unstable, or to switchgear or operator It damages.

As shown in Fig. 2, protective device 4 includes positioning plate 5, positioning plate 5 is located on switch handle hole 3, the side of positioning plate 5 Upper and lower ends extended to form fixinig plate 51, and be formed with mounting hole on fixinig plate 51, rivet 52 be fixed in mounting hole, from And positioning plate 5 is fixed at switch handle hole 3；Relief hole 53 is formed with to inductive switch handle hole 3 on positioning plate 5, to make Positioning plate 5, which will not influence switch and move up and down in relief hole 53, achievees the purpose that switching.

As shown in Fig. 2, protective device 4 further includes locking plate 6, the middle part of positioning plate 5 is rotatably connected to locking plate 6, and positioning plate 5 leans on The upper and lower ends of the side of nearly fixinig plate 51 are respectively and fixedly provided with connector sleeve 54, and the one end corresponding with connector sleeve 54 of locking plate 6 is fixed with branch Strut 61, and support rod 61 is located between two connector sleeves 54.

As shown in Figure 2,3, the both ends undergauge of support rod 61 and extension rod 62 has been extended to form, extension rod 62 is plugged in connection In set 54, to make locking plate 6 that can rotate with 61 direction of axis line of support rod, locking plate 6 can be at switch handle hole 3 after rotating Middle part can not move up and down so that the position of switch can be positioned after opening a sluice gate or closing a floodgate.

As shown in Figure 2,4, protective device 4 further includes fixed plate 7, and locking plate 6 is fixed by fixed structure 8 with fixed plate 7, Gu Determining structure 8 includes magnet 81 and iron plate 82.

As shown in Figure 3,4, locking plate 6 bends far from one end of cabinet body 1 and is formed extension block 9, in the one side wall of 1 front end of cabinet body Place is fixed with fixed plate 7 corresponding with extension block 9 in the outer part, and upper and lower ends of the extension block 9 close to the side of fixed plate 7 are fixed with Magnet 81, the upper and lower ends of fixed plate 7 are fixed with iron plate 82 corresponding with magnet 81, and magnet 81 and iron plate 82 are attracting, thus real The preliminary fixation of existing extension block 9 and fixed plate 7.

As shown in Fig. 3,5, locking plate 6 is further fixed to each other by locking structure 10 with fixed plate 7；Locking structure 10 includes Connecting rod 11, L-shaped mounting groove 91 after being provided with horizontal extension towards fixed plate 7 and bend in extension block 9, peace in mounting groove 91 Equipped with L-shaped connecting rod 11, and connecting rod 11 can be movable in mounting groove 91；The top of connecting rod 11 is fixed with spring 111, To make connecting rod 11 can the elasticity activity in the vertical direction under the action of spring 111.

As shown in figure 5, locking structure 10 further includes clamping seat 12, fixed plate 7 is fixed on the side wall of connecting rod 11 It is clamped seat 12, is provided with accommodating cavity 92 on the side wall of the corresponding clamping seat 12 of extension block 9, clamping seat 12 is pluggable in accommodating cavity 92.

As shown in figure 5, clamping seat 12 corresponds to the lower part that connecting rod 11 is bent, it is clamped on seat 12 and is formed with clamping groove 121, The lower part of connecting rod 11 can be connected in clamping groove 121, realize the further fixation of fixed plate 7 and extension block 9.

As shown in Figure 5,6, the lower part of connecting rod 11 is fixed with mandril 112, and mandril 112 is arranged in the bottom of extension block 9, prolongs The bottom for stretching block 9 is formed with through hole 93, and the lower part of mandril 112 is fixed with button 113, and button 113 can live in through hole 93 It is dynamic, so that the process that moves up of connecting rod 11 be made to be more convenient to operate.

The concrete operations process of the present embodiment is as follows:

It is that direction of axis line turns with support rod 61 after switching the combined floodgate switched in handle hole 3 or opening a sluice gate operation The dynamic middle part for making locking plate 6 close to switch handle hole 3, then with the upward button 113 of hand, so that connecting rod 11 be pushed up simultaneously Spring 111 is squeezed, locking plate 6 is connected to the middle part of switch handle hole 3, seat 12 is clamped at this time and is placed in accommodating cavity 92, magnet 81 with magnetic sheet 82 it is attracting realize fixed plate 7 and extension block 9 preliminary fixation.

Then the power being applied on button 113 is removed, connecting rod 11 is resetted and is clamped under the restoring force effect of spring 111 In clamping groove 121, realize locking plate 6 in the fixation at 3 middle part of switch handle hole.

When needing to be closed a floodgate or opened a sluice gate operation to the switch in switch handle hole 3 again, squeeze buttons are first had to 113, deviate from connecting rod 11 from clamping groove 121, separate magnet 81 with iron plate 82, finally rotating locking plate 6 can be right It switchs handle hole 3 to unlock, so that split put capable operation into；It is split that avoidable layman is met and locked by the gear of locking plate 6 The switch closed in handle hole 3 carries out maloperation, keeps power transmission and distribution more stable, also avoids danger.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of switchgear with Protective lock, including cabinet body (1) and cabinet door (2), it is characterised in that: the cabinet door (2) includes Upper cabinet door and lower cabinet door, cabinet body (1) one side wall and with the upper cabinet door corresponding position be equipped with switch handle hole (3), it is described to open Close handle hole (3) on be equipped with can limit switch protective device (4).

2. a kind of switchgear with Protective lock according to claim 1, it is characterised in that: protective device (4) packet Positioning plate (5), locking plate (6) and fixed plate (7) are included, the positioning plate (5) is fixed on the switch handle hole (3), described fixed Be rotatably connected to locking plate (6) in the middle part of position plate (5), in the one side wall of cabinet body (1) front end in the outer part place be fixed with it is described The corresponding fixed plate (7) of locking plate (6), the locking plate (6) are fixed to each other by locking structure (10) with the fixed plate (7).

3. a kind of switchgear with Protective lock according to claim 2, it is characterised in that: locking structure (10) packet Connecting rod (11) and clamping seat (12) are included, the locking plate (6) bends and is formed extension block (9) far from the one end of the cabinet body (1), L-shaped mounting groove (91), the peace after being provided with horizontal extension towards the fixed plate (7) in the extension block (9) and bend Mobilizable and L-shaped connecting rod (11), side of the fixed plate (7) close to the connecting rod (11) are equipped in tankage (91) It is fixed with clamping seat (12) on wall, the clamping groove with the clamping of the lower part of the connecting rod (11) is formed on clamping seat (12) (121)。

4. a kind of switchgear with Protective lock according to claim 3, it is characterised in that: under the connecting rod (11) Portion is fixed with mandril (112), and the mandril (112) is arranged in the bottom of the extension block (9), the bottom of the extension block (9) Be formed with through hole (93), the lower part of the mandril (112) be fixed with can in the through hole (93) movable button (113)。

5. a kind of switchgear with Protective lock according to claim 3, it is characterised in that: the top of the connecting rod (11) Portion is fixed with spring (111).

6. a kind of switchgear with Protective lock according to claim 5, it is characterised in that: the locking plate (6) with it is described Fixed plate (7) is fixed by fixed structure (8), and the fixed structure (8) includes magnet (81) and iron plate (82), the extension block (9) side close to the fixed plate (7) is fixed with magnet (81), is fixed on the fixed plate (7) and the magnet (81) Attracting iron plate (82).

7. a kind of switchgear with Protective lock according to claim 2, it is characterised in that: the one of the positioning plate (5) Side is fixed with connector sleeve (54), and the locking plate (6) one end corresponding with the connector sleeve (54) is fixed with support rod (61), and institute It states the both ends undergauge of support rod (61) and has extended to form extension rod (62), the extension rod (62) is plugged in the connector sleeve (54)。

8. a kind of switchgear with Protective lock according to claim 2, it is characterised in that: the positioning plate (5) on pair The switch handle hole (3) is answered to be formed with relief hole (53)；The upper and lower ends of the positioning plate (5) have extended to form fixinig plate (51), be formed on the fixinig plate (51) can fixing rivet (52) mounting hole.