CN111336308A - Electric manual conversion device for electric valve device - Google Patents
Electric manual conversion device for electric valve device Download PDFInfo
- Publication number
- CN111336308A CN111336308A CN202010147696.6A CN202010147696A CN111336308A CN 111336308 A CN111336308 A CN 111336308A CN 202010147696 A CN202010147696 A CN 202010147696A CN 111336308 A CN111336308 A CN 111336308A
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- China
- Prior art keywords
- worm
- sleeve
- eccentric
- limiting block
- electric
- 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
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Classifications
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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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
- 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
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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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
- 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
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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
- 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
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/10—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with additional mechanism between armature and closure member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses an electric manual switching device for an electric valve device, which comprises: the device comprises a shell, an eccentric worm sleeve, a limiting block, a conversion handle, a worm wheel shaft, a microswitch and a junction box; the microswitch is arranged in the junction box; the worm wheel shaft is arranged in the shell through the gland; the eccentric worm sleeve is rotatably arranged in the shell and is arranged on one side of the worm wheel shaft; the head end of the eccentric worm sleeve is connected with the limiting block, and the tail end of the eccentric worm sleeve is installed in the shell through the junction box; the tail end of the eccentric worm sleeve is provided with a round bar, and the round bar is triggered or disconnected with the microswitch along with the rotation of the eccentric worm sleeve; the limiting block is connected with the shell; the conversion handle is fixedly connected with the limiting block. The electric manual conversion device for the electric valve device provided by the invention has the functions of automatically switching the power supply and realizing electric protection when the electric valve driving device switches the manual state.
Description
Technical Field
The invention relates to the technical field of electric valve devices, in particular to an electric manual conversion device for an electric valve device.
Background
The electric valve is applied to the complete auxiliary equipment of the submarine equalizing system, and one technical index is the emergency manual operation function of the valve. Most of valves at present adopt the stack combination of manual mechanism and shift fork mechanism to realize this function, adopt this technique to have two big drawbacks, firstly can not automatic cutout power when switching manual state, can't realize the electrical protection function, secondly the structural dimension is too big, can not satisfy the requirement of equipment miniaturization.
Therefore, how to solve the problem that the power supply cannot be automatically switched when the manual state is switched is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides an electric manual switching device for an electric valve device, so that the electric valve driving device has functions of automatically switching power supplies and realizing electric protection when switching a manual state.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric-manual switching apparatus for an electric valve apparatus, comprising: the device comprises a shell, an eccentric worm sleeve, a limiting block, a conversion handle, a worm wheel shaft, a microswitch and a junction box; the microswitch is arranged in the junction box;
the worm wheel shaft is arranged in the shell through a gland;
the eccentric worm sleeve is rotatably arranged in the shell and is arranged on one side of the worm wheel shaft; the head end of the eccentric worm sleeve is connected with the limiting block, and the tail end of the eccentric worm sleeve is installed in the shell through the junction box; a round bar is arranged at the tail end of the eccentric worm sleeve and is triggered or disconnected with the microswitch along with the rotation of the eccentric worm sleeve;
the limiting block is connected with the shell;
the conversion handle is fixedly connected with the limiting block.
Preferably, the eccentric worm set comprises: an eccentric worm sleeve, a worm and a bearing cover;
the worm penetrates through the eccentric worm sleeve and is in rotary connection with the eccentric worm sleeve through a bearing;
the top of the head end of the eccentric worm sleeve is provided with a mounting hole, and the limiting block is connected with the eccentric worm sleeve through the mounting hole; the tail end of the eccentric worm sleeve is provided with a bearing cover; and the bottom of the eccentric worm gear sleeve is provided with a round bar.
Preferably, positioning holes are formed in the two sides of the position, close to the limiting block, of the shell;
the limiting block is connected with the positioning hole through a screw head and a limiting nail.
Preferably, the limiting block is provided with a cross-shaped groove at a position corresponding to the screw head and the limiting nail.
Preferably, the junction box includes: the end cover, the wiring cover and the stuffing box;
the end cover is arranged at the tail end of the eccentric worm sleeve and is connected with the shell; a stuffing hole is formed in one side of the end cover, and the stuffing box is installed in the stuffing hole; the microswitch is arranged on the end cover and is also connected with a line card;
the wiring cover is connected with the end cover through screws.
Preferably, the head end of the eccentric worm sleeve is further provided with a key groove.
Preferably, a plurality of first screw holes are formed in the limiting block, a plurality of second screw holes are formed in the conversion handle, and the first screw holes and the second screw holes are matched through screws.
Preferably, the shell is further provided with a semicircular groove.
Preferably, the head of the worm has a hexagonal structure.
According to the technical scheme, compared with the prior art, the electric manual conversion device for the electric valve device is convenient to clutch the worm wheel and the worm by adopting an eccentric worm sleeve structure, the power supply is switched on when the worm wheel and the worm are separated, and the power supply is switched off when the worm wheel and the worm are separated, so that the electric safety protection is realized.
In addition, the electric manual conversion device for the electric valve device is compact in structure, the structural size of the device is reduced, and the requirement for miniaturization of ship loading equipment can be met. Moreover, the transmission ratio of the worm gear and the worm is large, and the hand operation torque is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an electric-manual switching apparatus for an electric valve apparatus according to the present invention in an electric state;
fig. 2 is a schematic view of an electric-manual switching apparatus for an electric valve apparatus according to the present invention in a manual state;
fig. 3 is an exploded view of an electric manual switching apparatus for an electric valve apparatus according to the present invention;
fig. 4 is a schematic view of an eccentric worm casing provided by the present invention;
FIG. 5 is a schematic view of an eccentric worm screw assembly provided by the present invention;
fig. 6 is a schematic view of a limiting block provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention discloses an electric manual switching device for an electric valve device, including: the device comprises a shell 3, an eccentric worm sleeve, a limiting block 15, a conversion handle 17, a worm wheel shaft 2, a microswitch 9 and a junction box; the microswitch 9 is arranged in the junction box;
the worm wheel shaft 2 is arranged in the shell 3 through the gland 1;
the eccentric worm sleeve penetrates through the shell 3 and is arranged on one side of the worm wheel shaft 2; the head end of the eccentric worm sleeve is connected with the limiting block 15, and the tail end of the eccentric worm sleeve is installed in the shell 3 through a junction box; the tail end of the eccentric worm sleeve is provided with a round bar 18, and the round bar 18 is triggered or disconnected with the microswitch 9 along with the rotation of the eccentric worm sleeve;
the limiting block 15 is connected with the shell 3;
the conversion handle 17 is fixedly connected with the limiting block 15.
With reference to fig. 1 and 2, fig. 1 is a schematic view of an electric state, and fig. 2 is a schematic view of a manual state, wherein the electric state is switched from a counterclockwise rotation of 180 degrees to the manual state. The electric manual conversion device for the electric valve device adopts an eccentric worm sleeve structure, so that the worm wheel and the worm can be conveniently separated and reunited, the power supply is switched on when the worm wheel and the worm are separated, and the power supply is switched off when the worm wheel and the worm are combined, so that the electric safety protection is realized.
The top surface and the bottom surface of the shell 3 are provided with screw mounting holes, the top surface is assembled with an electric driving device, the bottom surface is assembled with a valve (not shown in the figure), and the worm wheel shaft 2 is assembled in the shell 3 through the gland 1 and freely rotates in the circumferential direction. Preferably, the limiting block 15 is provided with a character carving and a line marking, and the limiting block is matched with the line marking of the shell 3 after being assembled to indicate a manual position and an electric position.
Referring to fig. 3-5, in order to further optimize the above technical solution, the eccentric worm kit includes: an eccentric worm sleeve 4, a worm 5 and a bearing cover 7;
the worm 5 penetrates through the eccentric worm sleeve 4, and the worm 5 is rotatably connected with the eccentric worm sleeve 4 through a bearing 6;
the top of the head end of the eccentric worm sleeve 4 is provided with a key groove 4-1 and a mounting hole 4-2, wherein the key groove 4-1 is used for mounting a flat key and follows the limiting block 15, and the limiting block 15 is connected with the eccentric worm sleeve 4 through the mounting hole 4-2; the tail end of the eccentric worm sleeve 4 is provided with a bearing cover 7. Specifically, the bearing cap may be threaded into the eccentric worm housing 4 to limit axial displacement of the bearing. And the bottom of the eccentric worm gear sleeve 4 is provided with a round bar 8.
The bearing 6 is used for supporting the worm to rotate in the eccentric worm sleeve, the bearing cover 7 is used for fixing the bearing to move axially, one end of the eccentric worm assembly is fixed by the end cover 8, and the other end of the eccentric worm assembly is fixed by the limiting block 15. Preferably, the head of the worm 5 is in a hexagonal structure, so that the worm can be operated by a ratchet wrench to rotate conveniently, and a worm wheel shaft is driven to rotate. The bottom of the eccentric worm gear sleeve 4 is provided with a round bar 8 through a threaded hole, and the round bar 8 is used for triggering a microswitch 9 in an end cover.
In order to further optimize the technical scheme, positioning holes 21 are formed in the two sides of the position, close to the limiting block 15, of the shell 3; the limiting block 15 is connected with the positioning hole 21 through the screw head 16 and the limiting nail 14 and is used for limiting between the limiting block 15 and the shell 3; specifically, screw head 16 is threadably connected to stop pin 14. Referring to fig. 6, the position of the limiting block 15 corresponding to the screw head 16 and the limiting nail 14 is provided with a cross-shaped groove 19. When the screw head 16 and the limit screw 14 are positioned in the positioning hole 21, the rotation cannot be realized, when the switching state is desired, the screw head 16 is pulled out, the limit block and the eccentric worm sleeve are sequentially driven to rotate by rotating the switching handle, and after the rotation is finished, the screw head 16 and the limit screw 14 are inserted into the positioning hole 21 to realize the limit.
Referring to fig. 3, in order to further optimize the above technical solution, the junction box includes: the end cover 8, the wiring cover 11 and the stuffing box 10;
the end cover 8 is arranged at the tail end of the eccentric worm sleeve 4, wherein the end cover 8 is fixed on the shell 3 to limit the axial displacement of the eccentric worm sleeve 4; one side of the end cover 8 is provided with a filler hole, and a stuffing box 10 is arranged in the filler hole; the microswitch 9 is arranged on the end cover 8, and the microswitch 9 is also connected with a line card 12;
the wiring cover 11 is connected to the end cover 8 by screws.
The end cap 8 drags the tail of the eccentric worm assembly, fixing it in the housing. The end cover 8 has the function of a junction box, the micro switch 9 and the line card 12 are arranged in the end cover 8 and are sealed by the junction cover 11, and the stuffing box 10 is used for connecting and sealing cables.
In order to further optimize the technical scheme, a plurality of first screw holes are formed in the limiting block 15, a plurality of second screw holes are formed in the conversion handle 17, and the first screw holes and the second screw holes are matched through screws. The limiting block 15 and the conversion handle 17 are fixed through screws to rotate together.
In order to further optimize the technical scheme, the shell 3 is further provided with a semicircular groove 20, so that the limit nail 14 can rotate in the semicircular groove 20 conveniently, and the rotation of the conversion handle, the limit block and the eccentric worm gear sleeve is realized. Preferably, the limiting nail 14 is sleeved with a spring 13, and when the screw head 16 is pulled out, the spring is reset, so that the limiting nail 14 is retracted into the limiting block, and subsequent rotation is facilitated.
The technical scheme of the invention is further explained by combining a specific working principle.
Referring to the attached drawing 1, the initial position is in an electric state, the power supply is closed, the microswitch is pressed by the round rod on the eccentric worm sleeve, the worm and the worm wheel shaft are in a separated state due to the fact that the eccentric worm sleeve is asymmetric left and right, when manual operation is needed, the screw head on the limiting block is firstly pulled out, the screw head is clamped into the cross-shaped groove (in the vertical direction of the attached drawing 4) of the limiting block after the screw head is rotated for 90 degrees, the screw head is rotated for 180 degrees in the counterclockwise direction to the manual position according to the indication on the conversion handle, at the moment, the worm is meshed with the worm wheel shaft, the microswitch.
The screw head is pulled out and is clamped into the cross-shaped groove (in the horizontal direction) of the limiting block after rotating for 90 degrees, the limiting block and the shell are limited, the meshing position of the worm and the worm wheel shaft is ensured, the worm is sleeved on the worm by the ratchet wrench at the moment, the worm can be operated to rotate, the worm wheel shaft is meshed for transmission, and the valve is opened or closed by output force. After manual operation is finished, the screw head is pulled out, the switching handle is rotated, the limiting block points to the electric position, and the screw head is reset. At this time, the micro switch is closed and the power is turned on.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An electric manual switching device for an electric valve device, comprising: the worm gear mechanism comprises a shell (3), an eccentric worm sleeve, a limiting block (15), a conversion handle (17), a worm gear shaft (2), a microswitch (9) and a junction box; the microswitch (9) is arranged in the junction box;
the worm wheel shaft (2) is arranged in the shell (3) through a gland (1);
the eccentric worm sleeve is rotatably arranged in the shell (3) and arranged on one side of the worm wheel shaft (2); the head end of the eccentric worm sleeve is connected with a limiting block (15), and the tail end of the eccentric worm sleeve is installed in the shell (3) through a junction box; a round bar (18) is installed at the tail end of the eccentric worm sleeve, and the round bar (18) is triggered or disconnected with the microswitch (9) along with the rotation of the eccentric worm sleeve;
the limiting block (15) is connected with the shell (3);
the switching handle (17) is fixedly connected with the limiting block (15).
2. An electro-manual switching apparatus for an electrically operated valve assembly according to claim 1 and wherein said eccentric worm screw assembly comprises: an eccentric worm sleeve (4), a worm (5) and a bearing cover (7);
the worm (5) penetrates through the eccentric worm sleeve (4), and the worm (5) is rotatably connected with the eccentric worm sleeve (4) through a bearing (6);
the top of the head end of the eccentric worm sleeve (4) is provided with a mounting hole (4-2), and the limiting block (15) is connected with the eccentric worm sleeve (4) through the mounting hole (4-2); the tail end of the eccentric worm sleeve (4) is provided with a bearing cover (7); and the bottom of the eccentric worm gear sleeve (4) is provided with a round bar (8).
3. The electric manual switching device for the electric valve device according to claim 1, wherein positioning holes (21) are formed on both sides of the housing (3) near the position of the limiting block (15);
the limiting block (15) is connected with the positioning hole (21) through a screw head (16) and a limiting nail (14).
4. The device according to claim 3, wherein the position of the stop block (15) corresponding to the screw head (16) and the stop pin (14) is provided with a cross-shaped groove (19).
5. An electro-manual switching apparatus for an electro-manual valve assembly as defined in any one of claims 2-4 wherein said junction box includes: the end cover (8), the wiring cover (11) and the stuffing box (10);
the end cover (8) is arranged at the tail end of the eccentric worm sleeve (4) and is connected with the shell (3); a stuffing hole is formed in one side of the end cover (8), and the stuffing box (10) is installed in the stuffing hole; the microswitch (9) is arranged on the end cover (8), and the microswitch (9) is also connected with a line card (12);
the wiring cover (11) is connected with the end cover (8) through screws.
6. The electric manual switching device for the electric valve device according to claim 2, wherein the head end of the eccentric worm sleeve (4) is further provided with a key groove (4-1).
7. The electric manual switching device of claim 6, wherein a plurality of first screw holes are formed in the limiting block (15), a plurality of second screw holes are formed in the switching handle (17), and the first screw holes and the second screw holes are matched through screws.
8. An electric manual switching device for an electric valve device according to claim 7, wherein said housing (3) is further formed with a semicircular groove (20).
9. An electric manual switching device for an electric valve device according to any one of claims 2 and 6 to 8, characterized in that the head of the worm (5) has a hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147696.6A CN111336308A (en) | 2020-03-05 | 2020-03-05 | Electric manual conversion device for electric valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147696.6A CN111336308A (en) | 2020-03-05 | 2020-03-05 | Electric manual conversion device for electric valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336308A true CN111336308A (en) | 2020-06-26 |
Family
ID=71179846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010147696.6A Pending CN111336308A (en) | 2020-03-05 | 2020-03-05 | Electric manual conversion device for electric valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111336308A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393965A (en) * | 1980-11-13 | 1983-07-19 | Andco Actuator Products, Inc. | Rotary actuator |
| CN101799067A (en) * | 2010-03-08 | 2010-08-11 | 张家港金凯达机械有限公司 | Worm gear |
| CN101941090A (en) * | 2010-09-09 | 2011-01-12 | 江苏泰隆减速机股份有限公司 | Special speed reducer for cutting feed of boring machine |
| KR101028505B1 (en) * | 2010-07-19 | 2011-04-11 | 김대용 | Auto-valve convertible to manual mode |
| CN203892329U (en) * | 2014-01-10 | 2014-10-22 | 衢州福锐特机械有限公司 | Limiting lock pin |
-
2020
- 2020-03-05 CN CN202010147696.6A patent/CN111336308A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393965A (en) * | 1980-11-13 | 1983-07-19 | Andco Actuator Products, Inc. | Rotary actuator |
| CN101799067A (en) * | 2010-03-08 | 2010-08-11 | 张家港金凯达机械有限公司 | Worm gear |
| KR101028505B1 (en) * | 2010-07-19 | 2011-04-11 | 김대용 | Auto-valve convertible to manual mode |
| CN101941090A (en) * | 2010-09-09 | 2011-01-12 | 江苏泰隆减速机股份有限公司 | Special speed reducer for cutting feed of boring machine |
| CN203892329U (en) * | 2014-01-10 | 2014-10-22 | 衢州福锐特机械有限公司 | Limiting lock pin |
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Application publication date: 20200626 |