CN115451142A - High leakproofness electric actuator - Google Patents

High leakproofness electric actuator Download PDF

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Publication number
CN115451142A
CN115451142A CN202211093569.8A CN202211093569A CN115451142A CN 115451142 A CN115451142 A CN 115451142A CN 202211093569 A CN202211093569 A CN 202211093569A CN 115451142 A CN115451142 A CN 115451142A
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CN
China
Prior art keywords
power
casing
sealing
valve body
link
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211093569.8A
Other languages
Chinese (zh)
Inventor
王磊
张程
徐佳佳
何凯
吴飞
李一鸣
朱威
闫云飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Langete Automation Equipment Co ltd
Original Assignee
Jiangsu Langete Automation Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Langete Automation Equipment Co ltd filed Critical Jiangsu Langete Automation Equipment Co ltd
Priority to CN202211093569.8A priority Critical patent/CN115451142A/en
Publication of CN115451142A publication Critical patent/CN115451142A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0227—Packings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143—Wipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

A high-sealing electric actuating mechanism comprises a connecting valve body, wherein connecting flanges are arranged at two ends of the connecting valve body, a lower shell is arranged above the connecting valve body, an upper shell is arranged above the lower shell, a power device is arranged on one side of the upper shell, a manual control device is arranged at the top end of the upper shell, and a driving device and a separating device are arranged in the upper shell; the manual control device provided by the invention can open or close the valve under the condition of no electric power; through the arranged separation device, the valve can be quickly closed when a fire disaster happens, and further expansion of accidents is prevented; the sealing connecting piece arranged at the top end of the lower shell prevents the telescopic sleeve from taking liquid in the pipeline out in the up-and-down movement and leakage, and the conical end is arranged, so that the outer wall of the connecting sleeve can be cleaned in the up-and-down movement; through the arc sealing layer that sets up, improved the seal to the sealed external member.

Description

High leakproofness electric actuator
Technical Field
The invention relates to the technical field of electric actuating mechanism devices, in particular to a high-sealing electric actuating mechanism.
Background
The electric actuating mechanism is used as a power source of the switch valve and widely applied to industries such as petroleum, chemical engineering, electric power, water treatment and the like. Because the device has high temperature on site, is easy to corrode, has complex working conditions such as inconvenient installation positions and the like, the conventional integrated electric actuating mechanism cannot well meet the special application requirement. By adopting the method of isolating the electric actuator controller circuit device from the mechanical transmission part, the motor part and the control valve, the electric actuator controller circuit device can be placed under the working condition of convenient operation, safety and convention, the requirement of the space position of the field device can be met, and the electric actuator controller circuit device can be prevented from being influenced by high temperature; the conventional electric actuating mechanism can cause the valve to be incapable of adjusting the flow rate due to power failure when being applied to the valve, and can also be applied to flammable and explosive fluid or gas pipelines due to the convenience and the advantages of the electric actuating mechanism in various industries, and the phenomenon of secondary explosion or fire aggravation is caused by the leakage of the fluid or gas in the pipelines due to the incapability of closing the valve when a fire disaster occurs, so that the electric actuating mechanism has more importance in the fire disaster.
Disclosure of Invention
The invention aims to provide a high-sealing electric actuator aiming at the defects in the prior art, which comprises a connecting valve body, wherein connecting flanges are arranged at two ends of the connecting valve body, a lower shell is arranged above the connecting valve body, an upper shell is arranged above the lower shell, a power device is arranged on one side of the upper shell, a manual control device is arranged at the top end of the upper shell, and a driving device and a separating device are arranged in the upper shell.
The manual control device comprises a manual disc, the bottom end of the manual disc is connected with a manual connecting rod, a reset spring is sleeved outside the manual connecting rod, the bottom end of the manual connecting rod is provided with a clamping protrusion, and the clamping protrusion is provided with more than one clamping hole.
The power device comprises a power cavity, one side of the power cavity is connected with an upper shell, the other side of the power cavity is connected with a control cavity, a control main board is arranged in the control cavity, a threading hole is formed in the bottom end of the control cavity, a driving motor is arranged in the power cavity, the top of the driving motor is connected with a right-angle speed reducer through a driving shaft, a temperature sensor is arranged at the bottom end of the power cavity on one side of the driving motor, and the temperature sensor is connected with the control main board through a wire.
Drive arrangement include the power threaded rod, the top of power threaded rod link to each other with top location bearing frame, the bottom of power threaded rod pass through the screw thread and link to each other with the telescope tube, top location bearing frame fix the top face of last casing inboard, the below of top location bearing frame be equipped with fixed bearing frame, just fixed bearing frame cover outside the power threaded rod, fixed bearing frame's both sides link to each other with last shells inner wall through fixed branch, fixed bearing frame's below be equipped with supplementary bevel gear, just supplementary bevel gear fix on the outer wall of power threaded rod, one side and the interlock of power bevel gear mutually, just power bevel gear pass through the connecting axle and link to each other with the right angle reduction gear, supplementary bevel gear's below be equipped with separator, just separator establish on the telescope tube.
The top of lower casing be the arch top, the top on arch top be equipped with sealed chamber and extend the chamber, sealed intracavity be equipped with the arc sealing layer, the top of lower casing worn telescopic tube, telescopic tube's top pass through the screw thread and link to each other with the power threaded rod, telescopic tube's bottom link to each other with the valve disc, the outward flange of valve disc be equipped with the embedding edge, lower casing and telescopic tube between be equipped with sealing connecting piece.
The sealing connecting piece comprises a sealing sleeve, a third sealing rubber ring is arranged on the inner wall of the sealing sleeve, a conical end is arranged at the bottom end of the sealing sleeve, a second sealing rubber ring is arranged on the contact surface of the sealing sleeve and the inner side of the top end of the lower shell, the sealing sleeve penetrates through the lower shell and is connected with an upper end fixing nut through threads, the upper end fixing nut is arranged on the top end surface of the lower shell, and a first sealing rubber ring is arranged on the contact surface of the upper end fixing nut and the lower shell.
The connecting valve body is connected with the lower shell, an opening is formed in the joint of the connecting valve body and the lower shell, an embedded notch is formed in the connecting valve body, an embedded sealing ring is arranged in the embedded notch, the embedded sealing ring is crescent, the upper half part of the embedded sealing ring is a valve disc passing opening, and the valve disc passing opening is in an open state.
The top end face of the power threaded rod is provided with a groove, a manual connecting rod is arranged in the groove, the inner wall of the groove is provided with a clamping stop dog, and the clamping stop dog is matched with the clamping protrusion for use.
Separator include aerating device, aerating device be the cylinder type, aerating device's inside be equipped with potassium azide, potassium azide's bottom be equipped with the filter layer, the bottom of filter layer link to each other with the inflation inlet, potassium azide's top inside embedded some firearms, the top of some firearms link to each other with binding post.
The invention has the beneficial effects that: the high-tightness electric actuating mechanism is provided, and the valve can be opened or closed under the condition of no electric power through the arranged manual control device; through the arranged separation device, the valve can be quickly closed when a fire disaster happens, and the further expansion of accidents is prevented; the sealing connecting piece arranged at the top end of the lower shell prevents the telescopic sleeve from taking liquid in the pipeline out in the up-and-down movement and leakage, and the conical end is arranged, so that the outer wall of the connecting sleeve can be cleaned in the up-and-down movement; the arc-shaped sealing layer is arranged, so that the sealing property of the sealing sleeve is improved; the valve can be quickly closed when a fire disaster happens through the arranged separating device, and the upper separated piece and the lower separated piece can be clamped again under the condition of recovering electric power after the quick separation is realized through the arranged upper separated piece and the lower separated piece, so that the valve effect of the invention is realized again; the sealing performance of the valve disc is improved when the valve disc is closed through the arranged embedded sealing ring; through the arranged temperature sensor, the separation device can be quickly triggered to separate the separation device when the indoor temperature is too high, the valve body is closed, and the upper split part and the lower split part can be closed again through the operation of closing the valve body under the condition that the power is not cut off after the separation is finished, or the upper split part and the lower split part are closed again through the operation of closing the valve body by pressing a manual disc, and the valve body is locked; the valve body is connected in a sealing manner by the upward and downward movement of the arranged valve disc, so that the sealing property is improved, and the sealing effect after sealing is better than the overturning sealing effect.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is an external partial structural schematic diagram of the present invention.
Fig. 3 is a schematic view of a part of the enlarged view a of the present invention.
Fig. 4 is a schematic structural view of the upper split part of the invention.
Fig. 5 is a structural schematic view of the lower split part of the invention.
FIG. 6 is a schematic view of the inflator device of the present invention.
Fig. 7 is a schematic structural view of a partially enlarged view B of the present invention.
Fig. 8 is a schematic view of the construction of the manual disc of the present invention.
Fig. 9 is a schematic view of the top end face of the power threaded rod of the present invention.
Fig. 10 is a schematic view of the structure of the embedded seal ring of the present invention.
In the figure: 1. a manual disc, 2, a manual connecting rod, 3, a return spring, 4, an upper shell, 5, a fixed supporting rod, 6, a power bevel gear, 7, a right-angle reducer, 8, a control main board, 9, a control cavity, 10, a power cavity, 11, a driving shell, 12, a threading hole, 13, a temperature sensor, 14, a driving motor, 15, a lower shell, 16, an embedded edge, 17, a valve cavity, 18, an embedded sealing ring, 19, a top end positioning bearing seat, 20, a fixed bearing seat, 21, an auxiliary bevel gear, 22, a power threaded rod, 23, an arc-shaped sealing layer, 24, an extension cavity, 25, a valve disc, 26, a connecting valve body, 27 and a connecting flange, 28, an embedded notch, 29, a clamping protrusion, 30, a clamping stop, 31, an upper component, 32, a split air bag, 33, a lower component, 34, an inflating device, 35, a telescopic sleeve, 36, a sealing sleeve, 181, a valve disc passing port, 311, an inflating groove, 312, a protrusion A,313, a connecting pipe, 331, a protrusion B,332, a connecting pipe groove, 341, a wiring terminal, 342, an inflating port, 343, a filtering layer, 344, potassium azide, 345, an igniter, 361, an upper end fixing nut, 362, a first sealing rubber ring, 363, a second sealing rubber ring, 364, a conical end, 365 and a third sealing rubber ring.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1, as shown: the utility model provides a high leakproofness electric actuator, is including connecting valve body 26, the both ends of connecting valve body 26 all be equipped with flange 27, the top of connecting valve body 26 be equipped with down casing 15, lower casing 15 top be equipped with casing 4, one side of last casing 4 be equipped with power device, the top of last casing 4 be equipped with manual control device, last casing 4 in be equipped with drive arrangement and separator. The manual control device comprises a manual disc 1, the bottom end of the manual disc 1 is connected with a manual connecting rod 2, a reset spring 3 is sleeved outside the manual connecting rod 2, the bottom end of the manual connecting rod 2 is provided with a clamping protrusion 29, and the clamping protrusion 29 is provided with more than one clamping part. Power device include power chamber 10, one side of power chamber 10 link to each other with last casing 4, the opposite side of power chamber 10 link to each other with control chamber 9, control chamber 9 in be equipped with control mainboard 8, the bottom of control chamber 9 be equipped with through wires hole 12, power chamber 10 in be equipped with driving motor 14, driving motor 14's top link to each other with right angle reduction gear 7 through the drive shaft, the bottom of power chamber 10 of 14 one sides of driving motor be equipped with temperature sensor 13, just temperature sensor 13 link to each other with control mainboard 8 through the wire. The manual control device is arranged to open or close the valve under the condition of no electric power; through the separator who sets up, realized when the conflagration takes place, can seal the valve fast, prevented the further expansion of accident.
Embodiment 2, an electric actuator of high leakproofness, drive arrangement include power threaded rod 22, the top of power threaded rod 22 link to each other with top location bearing frame 19, the bottom of power threaded rod 22 link to each other with telescopic tube 35 through the screw, top location bearing frame 19 fix at the top of last casing 4 terminal surface inboard, top location bearing frame 19 the below be equipped with fixed bearing frame 20, just fixed bearing frame 20 cover outside power threaded rod 22, the both sides of fixed bearing frame 20 link to each other with last casing 4 inner wall through fixed branch 5, the below of fixed bearing frame 20 be equipped with supplementary conical gear 21, just supplementary conical gear 21 fix on the outer wall of power threaded rod 22, one side of supplementary conical gear 21 interlock with power conical gear 6, just power conical gear 6 link to each other with right angle reducer 7 through the connecting axle, the below of supplementary conical gear 21 be equipped with separator, and the separator establish on telescopic tube 35. Lower casing 15's top be the arch top, the top on arch top be equipped with sealed chamber and extend chamber 24, sealed intracavity be equipped with arc sealing layer 23, lower casing 15's top worn telescopic tube 35, telescopic tube 35's top pass through screw thread and power threaded rod 22 and link to each other, telescopic tube 35's bottom and valve disc 25 link to each other, the outward flange of valve disc 25 be equipped with embedding edge 16, lower casing 15 and telescopic tube 35 between be equipped with sealing connection spare. Sealing connecting piece include sealing sleeve member 36, sealing sleeve member 36's inner wall on be equipped with third sealing rubber ring 365, sealing sleeve member 36's bottom be equipped with tapered end 364, sealing sleeve member 36 and be equipped with the second sealing rubber ring on the inboard contact surface on casing 15 top down, sealing sleeve member 36 pass down casing 15 and pass through the screw thread and link to each other with upper end fixation nut 361, just upper end fixation nut 361 establish on casing 15's top face down, upper end fixation nut 361 and casing 15's contact surface down on be equipped with first sealing rubber ring 362. The sealing connecting piece arranged at the top end of the lower shell 15 prevents the telescopic sleeve 35 from bringing out liquid in the pipeline in the up-and-down movement and leakage, and the conical end 364 is arranged, so that the outer wall of the connecting sleeve can be cleaned in the up-and-down movement; the arc-shaped sealing layer 23 improves the sealing performance of the sealing sleeve 36.
Embodiment 3, a high leakproofness electric actuator, the connection valve body 26 link to each other with lower casing 15, just the connection valve body 26 with lower casing 15 junction be equipped with the opening, the connection valve body 26 in be equipped with embedded breach 28, embedded breach 28 in be equipped with embedded sealing washer 18, embedded sealing washer 18 be crescent, the first half of embedded sealing washer 18 be valve disc through-going mouth 181, just valve disc through-going mouth 181 be the open mode. The top end face of the power threaded rod 22 is provided with a groove, a manual connecting rod 2 is arranged in the groove, the inner wall of the groove is provided with a clamping stop dog 30, and the clamping stop dog 30 is matched with the clamping protrusion 29 for use. The separation device comprises an air charging device 34, the air charging device 34 is cylindrical, potassium azide 344 is arranged in the air charging device 34, a filter layer 343 is arranged at the bottom end of the potassium azide 344, the bottom end of the filter layer 343 is connected with an air charging port 342, an igniter 345 is embedded in the top end of the potassium azide 344, and the top end of the igniter 345 is connected with a wiring terminal 341. The valve can be quickly closed when a fire disaster happens through the arranged separating device, and the upper split part 31 and the lower split part 33 can be clamped again under the condition of recovering the electric power after the quick split is realized, so that the valve function of the invention is realized again.
The separating device further comprises an upper split part 31 and a lower split part 33, a through hole is formed in the upper split part 31, inflation grooves 311 are formed in two sides of the upper split part 31, an inflation device 34 is arranged in the inflation grooves 311, a connecting pipe 313 is arranged on the bottom end face of the upper split part 31, a protrusion A312 is arranged on the outer wall below the connecting pipe 313, a connecting pipe groove 332 is formed in the lower split part 33, a protrusion B331 is arranged on the inner wall of the connecting pipe groove 332, the bottom end of the lower split part 33 is connected with an expansion sleeve 35, a split air bag 32 is arranged between the upper split part 31 and the lower split part 33, and the split air bag 32 is communicated with an inflation port 342 of the inflation device 34.
When the valve is used, the valve is firstly connected with a far-end external control device through a lead, the external control device is used for reading and writing control parameters of a control main board 8, the right-angle reducer 7 is driven by the driving motor 14 when the valve body is opened and closed, the power conical gear 6 is driven by the right-angle reducer 7, the power conical gear 6 is meshed with and driven by the auxiliary conical gear 21, the auxiliary conical gear 21 drives the power threaded rod 22 to rotate, the telescopic sleeve 35 is driven to move up and down through threads when the power threaded rod 22 rotates, the telescopic sleeve 35 drives the valve disc 25 to move up and down in the lower shell 15 and the connecting valve body 26, and the connecting valve body 26 is opened or closed; when power is off, the manual connecting rod 2 can be completely inserted into the top end of the power threaded rod 22 by applying pressure to the manual disc 1, and the manual disc 1 drives the power threaded rod 22 to rotate through the matching of the clamping protrusion 29 and the clamping stop block 30, and the power threaded rod 22 drives the telescopic sleeve 35 to move and drives the valve disc 25 to move up and down; when a fire breaks out, the temperature sensor 13 collects a temperature signal and converts the temperature signal into an electric signal to be transmitted to the control mainboard 8 or a remote external control device, the separation device is started through a temperature warning line which is arranged independently or remote active control, potassium nitrate in an igniter 345 in the inflator 34 reacts with potassium azide 344 quickly to generate a large amount of hot nitrogen, the nitrogen enters the split air bag 32 through a filter layer 343 and an inflation inlet 342, the air bag is supported to separate the upper split part 31 from the lower split part 33, the valve disc 25 is ejected into the connecting valve body 26 by the force of the inflation of the air bag to close the connecting valve body 26, and at the moment, the telescopic sleeve 35 can be controlled manually or electrically to move downwards and lock the valve disc 25 to prevent the valve from opening, so that the upper split part 31 and the lower split part 33 are combined again, and the air bag slowly closes after the inflation is completed, and the reclosing of the upper split air release part 31 and the lower split part 33 cannot be prevented; a micro power supply device can be independently arranged on the control main board 8 to be connected with the temperature sensor 13 and the air charging device 34, so that the reflection after fire disaster under the condition of power failure is improved, and the valve is closed; when the valve is closed, the valve disc 25 enters the connecting valve body 26 from the extension cavity 24 and passes through the valve disc passing opening 181 of the embedded sealing ring 18, when the valve is opened, the valve disc 25 returns to the extension cavity 24 from the inner cavity of the connecting valve body 26, and in the process that the valve disc 25 moves upwards or downwards, the embedded edge 16 of the valve disc 25 is clamped with the embedded notch 28, so that the situation that the valve is not closed tightly due to dislocation of the valve disc 25 is avoided.
The invention provides a high-tightness electric actuating mechanism with a compact structure, and a valve can be opened or closed under the condition of no electric power through a manual control device; through the arranged separation device, the valve can be quickly closed when a fire disaster happens, and the further expansion of accidents is prevented; the sealing connecting piece arranged at the top end of the lower shell 15 prevents the telescopic sleeve 35 from bringing out liquid in the pipeline in the up-and-down movement and leakage, and the conical end 364 is arranged, so that the outer wall of the connecting sleeve can be cleaned in the up-and-down movement; the arc-shaped sealing layer 23 is arranged, so that the tightness of the sealing sleeve 36 is improved; the valve can be quickly closed when a fire disaster happens through the separating device, and the upper split piece 31 and the lower split piece 33 which are arranged can be clamped again under the condition of recovering electric power after the quick splitting is realized, so that the valve function of the invention is realized again; the sealing performance of the valve disc 25 is improved by the arrangement of the embedded sealing ring 18; through the arranged temperature sensor 13, the purpose that the air charging device 34 can be quickly triggered to separate the separating device when the indoor temperature is too high is achieved, the valve body is closed, and under the condition that power is not cut off after separation is completed, the upper split part 31 and the lower split part 33 can be closed again through the operation of closing the valve body, or the upper split part 31 and the lower split part 33 can be closed again through the operation of closing the valve body by pressing the manual disc 1, and the valve body is locked; the valve body 26 is connected in a sealing mode through the up-and-down movement of the arranged valve disc 25, the sealing performance is improved, the sealing effect after sealing is better than that of a turnover type, and the pressure applied when the valve body is closed is smaller than that of the turnover type.
Finally, the embodiments were chosen and described in order to best explain the principles of the invention and the patent disclosure, and are not intended to be limited to the details shown. Modifications and equivalents of the embodiments of the invention described above will be apparent to those skilled in the art without departing from the spirit and scope of the embodiments of the invention and are intended to be covered by the appended claims.

Claims (9)

1. The utility model provides a high leakproofness electric actuator, is including connecting the valve body, its characterized in that: the connecting valve body's both ends all be equipped with flange, the connecting valve body's top be equipped with down the casing, lower casing top be equipped with the casing, one side of last casing be equipped with power device, the top of last casing be equipped with manual control device, last casing in be equipped with drive arrangement and separator.
2. The high-sealability electric actuator according to claim 1, wherein: the manual control device comprises a manual disc, the bottom end of the manual disc is connected with a manual connecting rod, a reset spring is sleeved outside the manual connecting rod, the bottom end of the manual connecting rod is provided with a clamping protrusion, and the clamping protrusion is provided with more than one clamping hole.
3. The high-sealability electric actuator according to claim 1, wherein: the power device comprises a power cavity, one side of the power cavity is connected with an upper shell, the other side of the power cavity is connected with a control cavity, a control main board is arranged in the control cavity, a threading hole is formed in the bottom end of the control cavity, a driving motor is arranged in the power cavity, the top of the driving motor is connected with a right-angle speed reducer through a driving shaft, a temperature sensor is arranged at the bottom end of the power cavity on one side of the driving motor, and the temperature sensor is connected with the control main board through a wire.
4. The high-sealability electric actuator according to claim 1, wherein: drive arrangement include the power threaded rod, the top of power threaded rod link to each other with top location bearing frame, the bottom of power threaded rod pass through the screw thread and link to each other with the telescope tube, top location bearing frame fix the top face of last casing inboard, the below of top location bearing frame be equipped with fixed bearing frame, just fixed bearing frame cover outside the power threaded rod, fixed bearing frame's both sides link to each other with last shells inner wall through fixed branch, fixed bearing frame's below be equipped with supplementary bevel gear, just supplementary bevel gear fix on the outer wall of power threaded rod, one side and the interlock of power bevel gear mutually, just power bevel gear pass through the connecting axle and link to each other with the right angle reduction gear, supplementary bevel gear's below be equipped with separator, just separator establish on the telescope tube.
5. The high-sealing electric actuator according to claim 1, wherein: the top of lower casing be the arch top, the top on arch top be equipped with sealed chamber and extend the chamber, sealed intracavity be equipped with the arc sealing layer, the top of lower casing worn telescopic tube, telescopic tube's top pass through the screw thread and link to each other with the power threaded rod, telescopic tube's bottom and valve disc link to each other, the outward flange of valve disc be equipped with the embedding edge, lower casing and telescopic tube between be equipped with sealing connecting piece.
6. The high-sealing electric actuator according to claim 5, wherein: the sealing connecting piece include sealed external member, the inner wall of sealed external member on be equipped with the third and seal the rubber ring, the bottom of sealed external member be equipped with the toper end, sealed external member and be equipped with the second and seal the rubber ring down on the inboard contact surface on casing top, sealed external member pass down the casing and pass through the screw thread and link to each other with upper end fixation nut, just upper end fixation nut establish under on the top face of casing, the contact surface of upper end fixation nut and casing down on be equipped with first sealed rubber ring.
7. The high-sealability electric actuator according to claim 1, wherein: the connecting valve body is connected with the lower shell, an opening is formed in the joint of the connecting valve body and the lower shell, an embedded notch is formed in the connecting valve body, an embedded sealing ring is arranged in the embedded notch, the embedded sealing ring is crescent, the upper half part of the embedded sealing ring is a valve disc passing opening, and the valve disc passing opening is in an open state.
8. The high-sealability electric actuator according to claim 4, wherein: the top end face of the power threaded rod is provided with a groove, a manual connecting rod is arranged in the groove, the inner wall of the groove is provided with a clamping stop dog, and the clamping stop dog is matched with the clamping protrusion for use.
9. The high-sealability electric actuator according to claim 1, wherein: separator include aerating device, aerating device be the cylinder type, aerating device's inside be equipped with potassium azide, potassium azide's bottom be equipped with the filter layer, the bottom of filter layer link to each other with the gas charging port, potassium azide's top inside inlayed some firearms, the top of some firearms link to each other with binding post.
CN202211093569.8A 2022-09-08 2022-09-08 High leakproofness electric actuator Pending CN115451142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211093569.8A CN115451142A (en) 2022-09-08 2022-09-08 High leakproofness electric actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211093569.8A CN115451142A (en) 2022-09-08 2022-09-08 High leakproofness electric actuator

Publications (1)

Publication Number Publication Date
CN115451142A true CN115451142A (en) 2022-12-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211093569.8A Pending CN115451142A (en) 2022-09-08 2022-09-08 High leakproofness electric actuator

Country Status (1)

Country Link
CN (1) CN115451142A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116480794A (en) * 2023-06-20 2023-07-25 江苏兰格特自动化设备有限公司 Double-sealing device of horizontal pressure pipeline

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116480794A (en) * 2023-06-20 2023-07-25 江苏兰格特自动化设备有限公司 Double-sealing device of horizontal pressure pipeline

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