CN208522341U - A kind of middle-placed switch cabinet self-locking connecting rod mechanism - Google Patents

Abstract

The utility model proposes a kind of middle-placed switch cabinet self-locking connecting rod mechanisms, including breaker chamber, the breaker chamber is equipped with link mechanism, push plate is additionally provided in the breaker chamber, the link mechanism includes valve base, lower plate and upper plate are hinged on the valve base, the lower plate and upper plate are equipped with push shaft, and the push plate section is equipped with the push plate extended to push plate two sides in " ㄇ " shape and one end end；Shaft is additionally provided on the valve base, fagging and lower fagging are hinged in the shaft, the upper fagging and the lower fagging other end extend towards push plate direction and torsional spring is equipped at both hinge joint makes both side offset respectively with the push shaft on lower plate and upper plate, the upper fagging and lower fagging and the push shaft place of offseting are equipped with lock slots, the lock slots engage the locking for realizing push shaft, the upper fagging and lower fagging with push shaft and are equipped with guide plate towards one end end of push plate.The utility model can it is self-locking, service personnel's accidental shock, high safety and reliability can be prevented.

Description

A kind of middle-placed switch cabinet self-locking connecting rod mechanism

Technical field

The utility model relates to breaker middle-placed switch cabinet fields, and in particular to a kind of middle-placed switch cabinet self-locking connecting rod mechanism.

Background technique

Currently, switchgear by breaker mounting means be divided into handcart-type with it is fixed, it is wherein disconnected in handcart switch cabinet Road device is mounted on the handcart that can be extracted out, and static contact is installed in switchgear and connect with high-tension line, utilizes handcart The connection and disconnection of realizing moving contact and static contact are promoted or pulled out, that is, realizes the connection and disconnection of circuit.Since static contact is Normal live end, in the existing switchgear equipped with handcart type breaker, maintenance personal is possible to when overhauling circuit accidentally It touches static contact and jeopardizes personal safety.

Utility model content

Based on the above issues, the utility model aim is that providing one kind has self-locking effect, service personnel can be prevented to examine The middle-placed switch cabinet self-locking connecting rod mechanism that valve causes electric shock, high safety and reliability is opened accidentally when repairing.

In view of the above problems, providing following technical solution: a kind of middle-placed switch cabinet self-locking connecting rod mechanism, including breaker chamber, The breaker chamber two sidewalls are equipped with the link mechanism being arranged symmetrically in relation to each other, and are additionally provided in the breaker chamber by disconnected Road device drives the push plate for the work of controls connecting rod mechanism, and the link mechanism includes the valve for being fixed on breaker chamber side wall Seat, be hinged on the valve base can towards each other direction close to or far from lower plate and upper plate, the lower plate and upper company Plate is equipped with push shaft, and the push plate section, which is equipped in " ㄇ " shape and one end end to push plate two sides, to be extended, when breaker advances Push plate for pushing push shaft to swing lower plate and upper plate；It is additionally provided on the valve base positioned at lower plate and upper plate hinge In front of contact, i.e. the shaft of push plate advance pushing direction, be hinged with fagging and lower fagging in the shaft, the upper fagging and The lower fagging other end towards push plate direction extend and both hinge joint at be equipped with torsional spring make both side respectively with lower plate and Push shaft on upper plate offsets, and the upper fagging and lower fagging and the push shaft place of offseting are equipped with lock slots, the lock slots and push shaft Engaging realizes that the locking of push shaft, the upper fagging and lower fagging are equipped with guide plate towards one end end of push plate, before the push plate Into when guide plate contacted with the inner wall of push plate two sides side wall and make the guide plate of upper fagging and lower fagging realization lock slots close to each other Separation with push shaft, which is realized, to be unlocked.

In above structure, to avoid service personnel, accidentally touching causes the unexpected of link mechanism to be opened, thus be arranged upper fagging and Lower fagging, before push plate advance, the lock slots of upper fagging and lower fagging mutually block with the push shaft on lower plate and upper plate respectively Conjunction, to avoid unexpected accidentally touching that lower plate and upper plate generation swing is caused to open valve plate and cause to get an electric shock, therefore can only be in nothing When service personnel, breaker advance, which drives push plate advance that two sides side wall is promoted to contact with guide plate, makes upper fagging and lower fagging each other Close to unlock push shaft, push shaft is pushed to move the swing for realizing lower plate and upper plate with this using push plate when further push plate is advanced Control the open and close of valve plate.

The utility model is further arranged to, and the lower plate and upper plate are L-shaped, the lower plate and upper plate Tail end is relative to each other and is articulated on valve base by same articulated shaft.

The utility model is further arranged to, and the breaker chamber is equipped with upper valve and lower valve, the upper valve both ends The long connecting rod being connected equipped with front end of winning in succession under；The lower valve both ends are equipped with the short connecting rod being connected with front end of above winning in succession.

In above structure, under win in succession upper pendulum when push upper valve uplink, when upper plate downlink, pulls lower valve downlink, makes Valve is opened away from each other with lower valve.

The utility model is further arranged to, and the upper plate is equipped with upper plate torsional spring.

In above structure, upper plate needs to be swung up when resetting, it is therefore desirable to lower valve is promoted, since lower valve is deposited Be self-possessed, it is therefore desirable to upper plate torsional spring is resetted, and under win in succession reset when need to only rely on itself center of gravity and upper valve weight Amount can be realized, and there is no need to torsional spring is arranged to be resetted.

The utility model has the beneficial effects that avoid service personnel, accidentally touching causes the unexpected of link mechanism to be opened, therefore sets Fagging and lower fagging are set, before push plate advance, the lock slots of upper fagging and lower fagging are respectively and on lower plate and upper plate Push shaft is mutually clamped, thus avoid unexpected accidentally touching that lower plate and upper plate generation swing is caused to open valve plate and cause to get an electric shock, because This can only in no service personnel, breaker advance drive push plate advance promote two sides side wall contacted with guide plate make upper fagging and Lower fagging unlock push shaft close to each other pushes push shaft movement to realize lower plate and upper plate when further push plate is advanced using push plate Swing the open and close of valve plate are controlled with this.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is that the utility model Fig. 1 hides the portion the A enlarged drawing after upper fagging and lower fagging.

Fig. 3 is the link mechanism overall structure diagram of the utility model.

Fig. 4 is the link mechanism unlocked state structural schematic diagram of the utility model.

Fig. 5 is to open valve status architecture schematic diagram after the link mechanism of the utility model unlocks.

Figure label meaning: 10- link mechanism；11- valve base；12- lower plate；13- upper plate；131- upper plate is turned round Spring；14- push shaft；15- shaft；The upper fagging of 151-；Fagging under 152-；153- torsional spring；154- lock slots；155- guide plate；16- hinge Spindle；20- push plate；21- push plate；The upper valve of 22-；221- long connecting rod；Valve under 23-；231- short connecting rod.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

Referring to figs. 1 to Fig. 5, a kind of middle-placed switch cabinet self-locking connecting rod mechanism as shown in Figures 1 to 5, including breaker chamber is (in figure It is not shown), the breaker chamber two sidewalls are equipped with the link mechanism being arranged symmetrically in relation to each other 10, go back in the breaker chamber Equipped with the push plate 20 to work for controls connecting rod mechanism 10 is driven by breaker (not shown), the link mechanism 10 is wrapped Include the valve base 11 for being fixed on breaker chamber side wall, be hinged on the valve base 11 can towards each other direction close to or far under Connecting plate 12 and upper plate 13 are equipped with a push shaft 14 on the lower plate 12 and upper plate 13, and 20 section of push plate is in " ㄇ " shape and one end end, which are equipped with to 20 two sides of push plate, to be extended, is used to that push shaft 14 be pushed to make lower plate 12 when breaker advances And the push plate 21 that upper plate 13 is swung；Be additionally provided on the valve base 11 in front of 13 hinge joint of lower plate 12 and upper plate, That is the shaft 15 of 20 advance pushing direction of push plate is hinged with fagging 151 and lower fagging 152, the upper support in the shaft 15 Plate 151 and 152 other end of lower fagging, which extend towards 20 direction of push plate and be equipped with torsional spring 153 at both hinge joint, makes both side It offsets respectively with the push shaft 14 on lower plate 12 and upper plate 13, the upper fagging 151 and lower fagging 152 and push shaft 14 offset place Equipped with lock slots 154, the lock slots 154 engage the locking for realizing push shaft 14, the upper fagging 151 and lower fagging with push shaft 14 152 are equipped with guide plate 155 towards one end end of push plate 20, guide plate 155 and 20 two sides side of push plate when the push plate 20 is advanced The inner wall contact of wall makes the guide plate 155 of fagging 151 and lower fagging 152 is close to each other to realize lock slots 154 and push shaft 14 Unlock is realized in separation.

In above structure, to avoid service personnel, accidentally touching causes the unexpected of link mechanism 10 to be opened, therefore upper fagging is arranged 151 and lower fagging 152, before the advance of push plate 20, the lock slots 154 of upper fagging 151 and lower fagging 152 respectively with lower plate 12 and Push shaft 14 on upper plate 13 is mutually clamped, and is opened so that unexpected accidentally touching be avoided to cause lower plate 12 and upper plate 13 that swing occurs Valve plate causes to get an electric shock, thus can only in no service personnel, breaker advance drive push plate 20 advance promote two sides side wall with The contact of guide plate 155 makes fagging 151 and the unlock push shaft 14 close to each other of lower fagging 152, and further push plate 20 utilizes when advancing Push plate 51 pushes push shaft 14 to move the open and close for realizing that the swing of lower plate 12 and upper plate 13 controls valve plate with this.

In the present embodiment, the lower plate 12 and upper plate 13 are L-shaped, the tail end of the lower plate 12 and upper plate 13 It is articulated on valve base 11 by same articulated shaft 16 opposite to each other and.

In the present embodiment, the breaker chamber be equipped with upper valve 22 and lower valve 23, upper 22 both ends of valve be equipped with Under win in succession the connected long connecting rod 221 in 12 front ends；23 both ends of lower valve are equipped with the short connecting rod being connected with 13 front ends of above winning in succession 231。

In above structure, under win in succession pendulum on 12 when push upper 22 uplink of valve, when 13 downlink of upper plate, pulls lower valve 23 Downlink opens valve 22 away from each other with lower valve 23.

In the present embodiment, the upper plate 13 is equipped with upper plate torsional spring 131.

In above structure, upper plate 13 needs to be swung up when resetting, it is therefore desirable to lower valve 23 is promoted, due to lower work Door 23 exist self weight, it is therefore desirable to upper plate torsional spring 131 is resetted, and under win in succession 12 reset when need to only rely on itself center of gravity And upper 22 weight of valve can be realized, there is no need to torsional spring is arranged to be resetted.

The utility model has the beneficial effects that avoid service personnel, accidentally touching causes the unexpected of link mechanism 10 to be opened, therefore Fagging 151 and lower fagging 152 in setting, push plate 20 advance before, the lock slots 154 of upper fagging 151 and lower fagging 152 respectively with Push shaft 14 on lower plate 12 and upper plate 13 is mutually clamped, to avoid unexpected accidentally touching that lower plate 12 and upper plate 13 is caused to be sent out The raw unlatching valve plate that swings causes to get an electric shock, therefore can only be in no service personnel, and breaker, which advances, drives the advance of push plate 20 to promote Two sides side wall is contacted with guide plate 155 makes upper fagging 151 and the unlock push shaft 14 close to each other of lower fagging 152, further push plate 20 The movement of push shaft 14 is pushed to realize that the swing of lower plate 12 and upper plate 13 controls opening for valve plate with this using push plate 51 when advance It opens and closes.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications, above-mentioned vacation can also be made If these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (4)

1. a kind of middle-placed switch cabinet self-locking connecting rod mechanism, including breaker chamber, the breaker chamber two sidewalls be equipped with one it is right each other Claim the link mechanism of setting, is additionally provided in the breaker chamber and pushing away in the work of controls connecting rod mechanism is employed by fuser belt Plate, it is characterised in that: the link mechanism includes the valve base for being fixed on breaker chamber side wall, and being hinged on the valve base can Towards each other direction close to or far from lower plate and upper plate, the lower plate and upper plate be equipped with push shaft, and the push plate is disconnected Face in " ㄇ " shape and one end end be equipped with to push plate two sides extend, when breaker advances for push push shaft make lower plate and The push plate that upper plate is swung；It is additionally provided on the valve base in front of lower plate and upper plate hinge joint, i.e. push plate advance pushes away The shaft in dynamic direction, is hinged with fagging and lower fagging in the shaft, and the upper fagging and the lower fagging other end are towards push plate side Being equipped with torsional spring to extension and both hinge joint makes both side offset respectively with the push shaft on lower plate and upper plate, institute It states fagging and lower fagging and the push shaft place of offseting is equipped with lock slots, the lock slots engage the locking for realizing push shaft, institute with push shaft It states fagging and lower fagging and is equipped with guide plate towards one end end of push plate, guide plate and push plate two sides side when the push plate is advanced The inner wall contact of wall makes the separation close to each other for realizing lock slots and push shaft of the guide plate of fagging and lower fagging realize unlock.

2. a kind of middle-placed switch cabinet self-locking connecting rod mechanism according to claim 1, it is characterised in that: the lower plate and upper plate L-shaped, the tail end of the lower plate and upper plate is relative to each other and is articulated on valve base by same articulated shaft.

3. a kind of middle-placed switch cabinet self-locking connecting rod mechanism according to claim 2, it is characterised in that: the breaker chamber is equipped with upper Valve and lower valve, the upper valve both ends are equipped with the long connecting rod that front end of winning in succession under is connected；The lower valve both ends be equipped with On win in succession the connected short connecting rod in front end.

4. a kind of middle-placed switch cabinet self-locking connecting rod mechanism according to claim 3, it is characterised in that: the upper plate is equipped with upper Connecting plate torsional spring.