CN203560550U

CN203560550U - Gate valve switch

Info

Publication number: CN203560550U
Application number: CN201320684545.XU
Authority: CN
Inventors: 赵兴; 武海云
Original assignee: NINGBO HAIWEISI INTELLIGENT TECHNOLOGY Co Ltd
Current assignee: NINGBO HAIWEISI INTELLIGENT TECHNOLOGY Co Ltd
Priority date: 2013-10-31
Filing date: 2013-10-31
Publication date: 2014-04-23
Anticipated expiration: 2023-10-31

Abstract

The utility model relates to a gate valve switch which comprises a shell, a hand wheel and a gear motor, wherein the bottom of the shell is provided with a through hole in which a valve rod of a gate valve stretches, and the position in the shell corresponding to the through hole is provided with a valve sleeve connected with the valve rod of the gate valve. The gate valve switch is characterized by also comprising a shaft sleeve which is in linkage with an output end of the gear motor, the shaft sleeve is sleeved upon the valve sleeve, the upper end of the shaft sleeve extends out of the shell, a driving strap is fixed at the upper end of the shaft sleeve, the hand wheel which is sleeved upon the shaft sleeve under the driving strap can move up and down along the shaft sleeve, a positioning slot and a positioning block which are mutually matched are arranged between the upper contact surface and the lower contact surface of the hand wheel and the driving strap, at the same time, a drive ring which can rotate along with the hand wheel is positioned on the valve sleeve above the driving strap, and a spring is arranged between the shell and the hand wheel. After the structure is adopted, the clutch structure of the gate valve switch only needs the positioning block, the positioning slot and the spring, the whole structure is more compact and simpler, only one hand is needed for realizing manual operation, and the gate valve switch is more convenient to use.

Description

Gate valve switch

Technical field

The utility model relates to a kind of operating mechanism of opening and closing gate valve, specifically refers to that a kind of energy is electronic, the gate valve switch of manually-operable gate valve.

Background technique

Gate valve is the wider valve of a kind of application, and comparatively commonly the hand sluice valve on water pipe in tandem is provided with handwheel on the valve rod of gate valve, by rotating handwheel, makes valve plate spiral lifting, finally realizes the unlatching of valve or closes.At present, for the operation of above-mentioned handwheel, people develop electronic already, manual operation switch comes, a kind of valve as disclosed in the Chinese patent notice of authorization number < < Rapid electric cut-off valve > > that is CN201014016Y, it is by motor, clutch mechanism and valve rod composition, wherein clutch mechanism is by driving disc, driven disc, handle chassis, lifting linking member, rotatable connecting rod base, rotatable handgrip, double connecting rod, spring, optical fiber code sensor chip and fiber-optic signal controller reception unit composition, although it is easy to operate that this gate valve has, the feature of fast shut-off and control valve, but the structure relative complex of its clutch mechanism, therefore still can be improved further.

Model utility content

Technical problem to be solved in the utility model is the present situation for prior art, provides a kind of structure more reasonable, operates more convenient gate valve switch.

The utility model solves the problems of the technologies described above adopted technological scheme: a kind of gate valve switch, include housing, handwheel and the reducing motor that is positioned at housing, in the bottom of described housing, have the through hole stretching into for gate valve rod, to being provided with the valve pocket for being connected with gate valve rod in the housing of through hole, it is characterized in that: also include the axle sleeve being connected with the output terminal of reducing motor, this axle sleeve is enclosed within outside described valve pocket, the upper end of this axle sleeve stretches out in described housing, upper end at this axle sleeve is fixed with driver blade, on the axle sleeve of described handwheel sleeve below this driver blade, and can move up and down along this axle sleeve, and this handwheel and driver blade between surface of contact, be provided with up and down the locating slot and the positioning block that cooperatively interact, on valve pocket on described driver blade, be positioned with the transmission ring that can rotate with described handwheel simultaneously, between described housing and handwheel, be provided with spring and make described positioning block there is all the time the trend dropping in described locating slot.

In order to realize easily the axially locating of gate valve rod, be preferably, in described valve pocket, be also provided with lower end and be used for the swivel nut being threaded mutually with gate valve rod end, the upper end portion of rotation swivel nut can complete the axially locating of valve rod in narrow space.

In above-mentioned preferred version, on the valve pocket on described transmission ring, can also be threaded one by the nut of described transmission ring axially locating, the upper end of described swivel nut is exposed to described nut.Can certainly be designed with flange in the upper end portion of swivel nut, utilize flange to carry out axially locating.

Be preferably, described positioning block is positioned on described driver blade, and described locating slot is positioned on described handwheel, to facilitate making.

In above-mentioned each scheme, described reducing motor is comprised of motor and train of reduction gears, the small gear being meshed with this gear train and the screw rod that is meshed and can moves up and down with small gear middle part tapped hole are also installed in described housing, at the upper and lower of described screw rod, be provided with the sensitive switch or the position transducer that match with this screw rod, after moving up and down with the rotation of small gear by screw rod with the coordinating of sensitive switch or sensor, transmitted signal, and then control stopping of motor.

Further improvedly be, the top of described screw rod is provided with the described sensitive switch matching with this screw rod, the below of described screw rod is fixed with and is provided with described position transducer, and this position transducer is Hall transducer, screw rod lower end that should Hall transducer is fixed with to magnetic block, such structure, it is more sensitive, convenient to control.

As further preferred version of the present utility model, on described housing, be provided with and can rotate and top exposes to the adjustable lever of housing with respect to housing, the lower thread of this adjustable lever is connected with the regulation cock moving up and down along adjustable lever, and a substrate that described Hall transducer is installed is fixed on this regulation cock.By rotation adjustable lever, can drive Hall transducer to move up and down through regulation cock, substrate, and then the distance between adjusting screw rod lower end and Hall transducer, also control motor from starting to start the number of turns to the required rotation of open mode, finally can control the unlatching size of gate valve.

Compared with prior art, owing to being provided with positioning block and locating slot between handwheel of the present utility model and driver blade, and under the effect of spring, positioning block is dropped in locating slot, axle sleeve, driver blade, handwheel, transmission ring and valve pocket are connected as a body, now, if starting electrical machinery can realize the object of electric rotary gate valve rod.And once needs manually-operable, need only and press handwheel downwards, Compress Spring, and make positioning block leave locating slot, at this moment rotate handwheel, by transmission ring, can drive valve pocket, gate valve rod to rotate, obviously, adopt after said structure, clutch structure only needs positioning block, locating slot and spring, overall structure is more compact, simple, and only needs a hand just can realize manually-operable, thereby uses also more convenient.

Accompanying drawing explanation

Fig. 1 is that the utility model embodiment is arranged on the profile schematic diagram on gate valve rod;

Fig. 2 removes the schematic perspective view after housing in Fig. 1;

Fig. 3 is the three-dimensional exploded view of Fig. 1;

Fig. 4 is the three-dimensional cutaway view at handwheel place in Fig. 1;

Fig. 5 is the three-dimensional cutaway view at small gear place in Fig. 1;

Fig. 6 is the three-dimensional cutaway view at adjustable lever place in Fig. 1.

Embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As shown in Figures 1 to 6, gate valve switch is arranged on gate valve rod a, valve lock is arranged on pipeline b, this gate valve switch includes housing 1, reducing motor 2 and handwheel 3, wherein reducing motor is comprised of motor 21 and gear train 22, reducing motor 2 is arranged on upper backup pad 11, lower supporting plate 12, and is positioned in housing 1.On housing 1, have the through hole stretching into for gate valve rod, to should being erectly provided with the valve pocket 4 for being connected with gate valve rod a in the housing of through hole, the mode that valve pocket 4 is connected with gate valve rod a has multiple, can realize circumferentially interlock by structures such as the bearing pins of keyway or square hole, square shaft cooperation or radially setting.At these valve pocket 4 overcoats, there is axle sleeve 5, on this axle sleeve 5, be installed with the driving gear 51 being meshed with the end gear of gear train, the upper end of this axle sleeve 5 stretches out in housing 1, in the upper end of this axle sleeve 5, be fixed with driver blade 6, handwheel 3 is enclosed within on the axle sleeve 5 of this driver blade below, and can move up and down along this axle sleeve, and this handwheel 3 and driver blade 6 between surface of contact, be provided with up and down the locating slot and the positioning block that cooperatively interact, in the present embodiment, positioning block 61 is positioned on driver blade 6, and locating slot 3 is positioned on handwheel 31, on valve pocket on driver blade 6, be positioned with the transmission ring 7 that can rotate with handwheel, between housing and handwheel, be provided with spring 8, using of this spring, handwheel 3 has all the time along the trend of moving on axle sleeve 5, finally make positioning block 61 drop in locating slot 31.

In the present embodiment, between driver blade 6 and axle sleeve 5, be to realize circumferentially interlock by the form of square shaft, square hole, between the endoporus of transmission ring 7 and handwheel 3, between transmission ring 7 and valve pocket 4, be also to realize circumferentially interlock by the form of square shaft, square hole, and in order axially gate valve rod a, handwheel 3, driver blade 6 and transmission ring 7 to be had to location comparatively easily, in the present embodiment, in valve pocket 4, be also provided with the swivel nut 9 for being threaded in gate valve rod a end, on the upper-end surface of this swivel nut 9, have the handle hole 91 for stretching into for operation tool.The nut 10 that is simultaneously also threaded in the upper end portion of valve pocket, screws nut 10, just can be by driver blade, transmission ring axial limiting in the endoporus of handwheel.And above-mentioned swivel nut 9 upper end portions expose to nut 10, with easy-to-operat, and in order to increase aesthetics, on nut top, be also covered with a trim 101.

When electric operating, in order to control easily as required opening or closing of gate valve, the small gear 201 being meshed with this gear train 22 and the screw rod 202 being meshed with small gear middle part tapped hole are also being installed in housing, it between the perforation of screw rod 202 and lower supporting plate 12, is square shaft, the cooperation of square hole, like this along with the rotation of motor 21, small gear 201 rotates thereupon, and screw rod 202 now can only move up and down, and in housing, to should screw rod upper, below is provided with the sensitive switch or the position transducer that match with this screw rod 202, the top position that is screw rod can be sensitive switch or position transducer, the lower position of screw rod can be also sensitive switch or position transducer, in the present embodiment preferably, the top of screw rod 202 is provided with the sensitive switch 203 matching with this screw rod, the below of screw rod is fixed with described position transducer 204, this position transducer is Hall transducer, screw rod lower end that should Hall transducer is fixed with to magnetic block 205.During work, after touching mutually with the button of sensitive switch 203 after moving on screw rod 202, sensitive switch 203 is moved, control motor 21 and stop operating, the position of gate valve in closing.And after reverse starting motor 21, screw rod 202 moves down, when the magnetic block 205 of the lower end of screw rod is during from Hall transducer 2mm, Hall transducer sends signal, controls motor and stops operating, and illustrates that now gate valve is on the big or small position of required unlatching.

For the size that regulation gate valve is opened as required, on housing 1, be also provided with and can rotate and top exposes to the adjustable lever 206 of housing with respect to housing 1, the lower thread of this adjustable lever is connected with regulation cock 207, in the present embodiment, it between the penetration hole of this regulation cock and lower supporting plate 12, is also coordinating of square shaft and square hole, along with the rotation of adjustable lever, regulation cock can only move up and down like this.On this regulation cock, be fixed with substrate 208, Hall transducer is fixed on this substrate 208 simultaneously.Therefore need regulation gate valve to open when size, as long as rotary regulating lever makes substrate move up and down with regulation cock, make to remain on suitable distance between Hall transducer on substrate and screw rod lower end, so just the size of regulation gate valve unlatching easily.

Claims

1. a gate valve switch, include housing, handwheel and the reducing motor that is positioned at housing, in the bottom of described housing, have the through hole stretching into for gate valve rod, to being provided with the valve pocket for being connected with gate valve rod in the housing of through hole, it is characterized in that: also include the axle sleeve being connected with the output terminal of reducing motor, this axle sleeve is enclosed within outside described valve pocket, the upper end of this axle sleeve stretches out in described housing, upper end at this axle sleeve is fixed with driver blade, on the axle sleeve of described handwheel sleeve below this driver blade, and can move up and down along this axle sleeve, and this handwheel and driver blade between surface of contact, be provided with up and down the locating slot and the positioning block that cooperatively interact, on valve pocket on described driver blade, be positioned with the transmission ring that can rotate with described handwheel simultaneously, between described housing and handwheel, be provided with spring and make described positioning block there is all the time the trend dropping in described locating slot.

2. gate valve switch according to claim 1, is characterized in that: in described valve pocket, be also provided with lower end and be used for the swivel nut being threaded mutually with gate valve rod end.

3. gate valve switch according to claim 2, is characterized in that: on the valve pocket on described transmission ring, be threaded one by the nut of described transmission ring axially locating, the upper end of described swivel nut is exposed to described nut.

4. gate valve switch according to claim 1, is characterized in that: described positioning block is positioned on described driver blade, and described locating slot is positioned on described handwheel.

5. according to the gate valve switch described in claim 1 or 2 or 3 or 4, it is characterized in that: described reducing motor is comprised of motor and train of reduction gears, the small gear being meshed with this gear train and the screw rod that is meshed and can moves up and down with small gear middle part tapped hole are also installed in described housing, at the upper and lower of described screw rod, are provided with the sensitive switch or the position transducer that match with this screw rod.

6. gate valve switch according to claim 5, it is characterized in that: the top of described screw rod is provided with the described sensitive switch matching with this screw rod, the below of described screw rod is fixedly installed described position transducer, and this position transducer is Hall transducer, screw rod lower end that should Hall transducer is fixed with to magnetic block.

7. gate valve switch according to claim 6, it is characterized in that: on described housing, be provided with and can rotate and top exposes to the adjustable lever of housing with respect to housing, the lower thread of this adjustable lever is connected with the regulation cock moving up and down along adjustable lever, and a substrate that described Hall transducer is installed is fixed on this regulation cock.