CN208723344U - A kind of valve mechanism with blocking function - Google Patents

Abstract

The utility model discloses a kind of valve mechanisms with blocking function, the doorframe of inside switch cabinet is welded on including one, the doorframe has doorway, on in the doorway, being arranged with two fans can the opposite valve opened, pin shaft is equipped between the valve and the doorframe, the outside of the doorframe is provided with a mounting groove, one end of the pin shaft extends in mounting groove, notch is offered on rear side of the mounting groove, the pin shaft extends at that one end in the mounting groove and is welded with a pull rod, the pull rod backs through the notch, one bracket is installed at the rear of the doorframe, a shaft is equipped with by the bracket, one end of the shaft is fixedly installed with a turntable, the other end is fixedly installed with a bevel gear, bearing is equipped between the shaft and the bracket, it is hinged between the turntable and the pull rod There is the first pull rod；This product needs artificial actively opening, can not open in the case where accidentally touching.

Description

A kind of valve mechanism with blocking function

Technical field

The utility model relates to a kind of valve mechanisms with blocking function.

Background technique

With the continuous development of power technology, the use of switchgear is more frequent, when overhauling to switchgear, holds Easily accidentally valve is opened in touching, causes service personnel to get an electric shock, there are great security risks.

Based on the above issues, it is desirable to provide a kind of to need artificial actively opening, the band that can not be opened in the case where accidentally touching closes The valve mechanism of lock function.

Utility model content

Artificial actively opening is needed the technical problem to be solved by the utility model is to provide a kind of, in the case where accidentally touching The valve mechanism with blocking function that can not be opened.

The utility model is achieved through the following technical solutions:

A kind of valve mechanism with blocking function, the doorframe of inside switch cabinet is welded on including one, and the doorframe has Doorway, be provided with above and below in the doorway two fans can the opposite valve opened, be equipped between the valve and the doorframe Pin shaft is provided with a mounting groove in the outside of the doorframe, and one end of the pin shaft extends in mounting groove, in the mounting groove Rear side offer notch, the pin shaft, which extends at that one end in the mounting groove, is welded with a pull rod, the pull rod to The notch is passed through afterwards, and one bracket is installed at the rear of the doorframe, a shaft is equipped with by the bracket, the shaft One end is fixedly installed with a turntable, and the other end is fixedly installed with a bevel gear, is equipped with axis between the shaft and the bracket It holds, the first pull rod is hinged between the turntable and the pull rod, when turntable rotation, pull first pull rod, the One pull rod pulls the pull rod mobile to this turntable direction in the case where being pulled, so that the valve opposite direction of upper and lower side is opened, Offer a mounting hole at the rear wall of the mounting groove, the first shaft be installed in the mounting hole, first shaft with First bearing is equipped between the mounting hole, the rear end of first shaft is fixedly installed with the of the cooperation bevel gear One bevel gear, screw is fixed with a cover board at the mounting groove, and the front end of first shaft extends to the outer of the cover board Portion is machined with the stress hole of a polygon at the end.

Preferably, it is welded with a blend stop at the right side inner wall on the doorway, when the valve is towards the interior rollover on doorway When turning to close, limited by the blend stop.

Preferably, the locking device of fixed first shaft is provided in the mounting groove.

Preferably, the locking device includes the fixing seat being fixed on the cell wall of the mounting groove side, in the fixation The surface of seat is welded with two guide rods, and the guide rod resists another side channel of the mounting groove far from that one end of the fixing seat Wall is equipped with a sliding block between two guide rods, and spring is equipped on the guide rod, and the spring is mutually against the cunning Between block and the fixing seat, the sliding block is provided with the locking plate of an arc close to that one end of the first shaft, in the cunning The upper and lower side of block is welded with the stressed plate that can be adsorbed by magnet, and cooperation institute is equipped at the side cell wall of the mounting groove The electromagnet that stressed plate uses is stated, the main circuit of the electromagnet cooperation switchgear is welded with a wheel on first shaft Son, in the case where main circuit is powered, the electromagnet obtain it is electric the stressed plate is sucked, the locking plate is bonded the wheel at this time Son, the wheel are in lockup state, and first shaft can not rotate, when main circuit disconnects, the electromagnet power loss, this When under the action of the spring, the sliding block is flicked, and locking plate and wheel are detached from, and first shaft is rotatable；Said mechanism Locking mainly is carried out to the first shaft in the case where switchgear has electricity, avoids artificially opening, plays the effect of safeguard protection.

Preferably, the locking plate is rubber material.

Steps are as follows for the use of this product:

It when needing to open valve, needs to rotate the first shaft by spanner, drives first using the rotation of the first shaft Bevel gear rotation, using first bevel gear and bevel gear cooperation driving turntable rotate, turntable rotation after drive the first pull rod to Turntable direction it is mobile, the first pull rod pulls pull rod, recycles pull rod that pin shaft rotation is driven not rotate so that valve is opened In the case where first shaft, human contact's valve can not promote valve to open.

The beneficial effects of the utility model are: this product can effectively separate the high-voltage electricity position of switchgear, accidentally touching In the case where can not open, play effective segregation, the structure of the present apparatus is relatively simple, so that work about electric power is more pacified Entirely, the generation of tragedy is reduced, is suitble to promote the use of.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the right view of the utility model；

Fig. 3 is the cross-sectional view at the A-A of the utility model；

Fig. 4 is the main view under the utility model excision cover board state；

Fig. 5 is the main view of doorframe；

Fig. 6 is enlarged drawing at B.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

In the description of the present invention, it should be understood that term " one end ", " other end ", " outside ", "upper", " interior The orientation or positional relationship of the instructions such as side ", "horizontal", " coaxial ", " center ", " end ", " length ", " outer end " is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.

In addition, in the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless Separately there is clearly specific restriction.

In the present invention unless specifically defined or limited otherwise, term " setting ", " connection ", " passes through at " socket " Wear ", the terms such as " grafting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

A kind of valve mechanism with blocking function as shown in Figures 1 to 6, the door of inside switch cabinet is welded on including one Frame 1, the doorframe 1 have doorway 101, be provided with above and below in the doorway 101 two fans can the opposite valve 2 opened, it is described It is equipped with pin shaft 201 between valve 2 and the doorframe 1, the outside of the doorframe 1 is provided with a mounting groove 102, the pin shaft 201 one end extends in mounting groove 102, offers notch 103 in the rear side of the mounting groove 102, the pin shaft 201 extends It is welded with a pull rod 3 at that one end in the mounting groove 102, the pull rod 3 backs through the notch 103, described The rear of doorframe 1 is equipped with a bracket 4, is equipped with a shaft 401 by the bracket 4, one end of the shaft 401 is fixedly mounted There is a turntable 5, the other end is fixedly installed with a bevel gear 6, is equipped with bearing between the shaft 401 and the bracket 4 and (does not scheme Show), it is hinged with the first pull rod 7 between the turntable 5 and the pull rod 3, when the turntable 5 rotation, pulls described first to draw Bar 7, the first pull rod 7 pull the pull rod 3 mobile to this 5 direction of turntable in the case where being pulled, so that the valve 2 of upper and lower side Opposite direction is opened, and a mounting hole 104 is offered at the rear wall of the mounting groove 102, is equipped with first in the mounting hole 104 Shaft 8 is equipped with first bearing (not shown) between first shaft 8 and the mounting hole 104, first shaft 8 Rear end is fixedly installed with the first bevel gear 9 of the cooperation bevel gear 6, and screw is fixed with a lid at the mounting groove 102 Plate 10, the front end of first shaft 8 extend to the outside of the cover board 10, the stress hole of a polygon are machined at the end 811。

A preferred embodiment in the utility model is welded with a blend stop at the right side inner wall on the doorway 101 121, when the valve when turning inside out closing, is limited towards doorway by the blend stop.

A preferred embodiment in the utility model is provided with fixed first shaft in the mounting groove 102 Locking device 11.

A preferred embodiment in the utility model, the locking device 11 include being fixed on the mounting groove 102 1 Fixing seat 12 on side channel wall is welded with two guide rods 13 on the surface of the fixing seat 12, and the guide rod 13 is far from described solid That one end of reservation 12 resists the other side cell wall of the mounting groove 102, is equipped with a sliding block between two guide rods 13 14, spring 15 is equipped on the guide rod 14,15 phase of spring is against between the sliding block 14 and the fixing seat 12, institute The locking plate 16 that sliding block 14 is provided with an arc close to that one end of the first shaft 8 is stated, is welded in the upper and lower side of the sliding block 14 It is connected to the stressed plate 17 that can be adsorbed by magnet, the cooperation stressed plate 17 is installed at the side cell wall of the mounting groove 102 The electromagnet 18 used, the electromagnet 18 cooperate the main circuit of switchgear, are welded with a wheel on first shaft 8 19, in the case where main circuit is powered, the electromagnet obtain it is electric the stressed plate is sucked, the locking plate is bonded the wheel at this time Son, the wheel are in lockup state, and first shaft can not rotate, when main circuit disconnects, the electromagnet power loss, this When under the action of the spring, the sliding block is flicked, and locking plate and wheel are detached from, and first shaft is rotatable；Said mechanism Locking mainly is carried out to the first shaft in the case where switchgear has electricity, avoids artificially opening, plays the effect of safeguard protection.

A preferred embodiment in the utility model, the locking plate 16 are rubber material.

Steps are as follows for the use of this product:

It when needing to open valve, needs to rotate the first shaft by spanner, drives first using the rotation of the first shaft Bevel gear rotation, using first bevel gear and bevel gear cooperation driving turntable rotate, turntable rotation after drive the first pull rod to Turntable direction it is mobile, the first pull rod pulls pull rod, recycles pull rod that pin shaft rotation is driven not rotate so that valve is opened In the case where first shaft, human contact's valve can not promote valve to open.

The beneficial effects of the utility model are: this product can effectively separate the high-voltage electricity position of switchgear, accidentally touching In the case where can not open, play effective segregation, the structure of the present apparatus is relatively simple, so that work about electric power is more pacified Entirely, the generation of tragedy is reduced, is suitble to promote the use of.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, any change or replacement expected without creative work be should be covered within the scope of the utility model. Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.

Claims (5)

1. a kind of valve mechanism with blocking function, it is characterised in that: the doorframe of inside switch cabinet is welded on including one, it is described Doorframe has doorway, be provided with above and below in the doorway two fans can the opposite valve opened, the valve and the doorframe it Between be equipped with pin shaft, the outside of the doorframe is provided with a mounting groove, one end of the pin shaft extends in mounting groove, in institute It states and offers notch on rear side of mounting groove, the pin shaft, which extends at that one end in the mounting groove, is welded with a pull rod, institute It states pull rod and backs through the notch, one bracket is installed at the rear of the doorframe, a shaft, institute are equipped with by the bracket The one end for stating shaft is fixedly installed with a turntable, and the other end is fixedly installed with a bevel gear, between the shaft and the bracket It is equipped with bearing, the first pull rod is hinged between the turntable and the pull rod, when turntable rotation, pulls described first Pull rod, the first pull rod pull the pull rod mobile to this turntable direction in the case where being pulled, so that the valve of upper and lower side is opposite It opens, a mounting hole is offered at the rear wall of the mounting groove, the first shaft is installed in the mounting hole, described first First bearing is equipped between shaft and the mounting hole, the rear end of first shaft is fixedly installed with the cooperation cone tooth The first bevel gear of wheel, screw is fixed with a cover board at the mounting groove, and the front end of first shaft extends to the lid The outside of plate is machined with the stress hole of a polygon at the end.

2. the valve mechanism according to claim 1 with blocking function, it is characterised in that: the right side inner wall on the doorway Place is welded with a blend stop, when the valve when turning inside out closing, is limited towards doorway by the blend stop.

3. the valve mechanism according to claim 1 with blocking function, it is characterised in that: be provided in the mounting groove The locking device of fixed first shaft.

4. the valve mechanism according to claim 3 with blocking function, it is characterised in that: the locking device includes fixing Fixing seat on the cell wall of the mounting groove side is welded with two guide rods on the surface of the fixing seat, and the guide rod is separate That one end of the fixing seat resists the other side cell wall of the mounting groove, is equipped with a sliding block between two guide rods, Spring is equipped on the guide rod, the spring is mutually against between the sliding block and the fixing seat, and the sliding block is close to That one end of one shaft is provided with the locking plate of an arc, and being welded in the upper and lower side of the sliding block can be by magnet absorption Stressed plate, is equipped with the electromagnet for cooperating the stressed plate to use at the side cell wall of the mounting groove, and the electromagnet is matched The main circuit of combination switch cabinet is welded with a wheel on first shaft, in the case where main circuit is powered, the electromagnet Electric the stressed plate must be sucked, the locking plate is bonded the wheel at this time, and the wheel is in lockup state, the first axle Bar can not rotate, and when main circuit disconnects, the electromagnet power loss, at this time under the action of the spring, the sliding block is flicked, lock Only plate and wheel are detached from, and first shaft is rotatable.

5. the valve mechanism according to claim 4 with blocking function, it is characterised in that: the locking plate is rubber material Matter.