CN209384873U - Open-and-close mechanism with redundancy feature - Google Patents
Open-and-close mechanism with redundancy feature Download PDFInfo
- Publication number
- CN209384873U CN209384873U CN201821736332.6U CN201821736332U CN209384873U CN 209384873 U CN209384873 U CN 209384873U CN 201821736332 U CN201821736332 U CN 201821736332U CN 209384873 U CN209384873 U CN 209384873U
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- axis
- gate
- screw rod
- base plate
- installation base
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Abstract
The utility model relates to guard assemblies, specifically a kind of open-and-close mechanism with redundancy feature, decelerating motor is fixed on installation base plate, and output shaft is connect with the screw rod being rotatably installed on installation base plate, and screw rod left and right ends are oppositely oriented, are threaded with left and right spin nut respectively；Left and right door part symmetrical configuration, left-hand door, right door portion part gate be connected respectively with left and right spin nut, enabling magnet and shutdown magnet are separately mounted on gate；Axis A is rotatably installed on gate, and axis B is fixed on gate, and passive narrow door jamb is set on axis A and axis B, and affixed with axis A, and torsional spring is placed in passive wicket, and both ends are connected with axis A and axis B respectively；It inhales iron to be mounted on passive wicket, between enabling magnet and shutdown magnet.The left and right door part of the utility model has redundancy feature, and when moving component can not be when proper motion, passive wicket can automatically open under the effect of external force.
Description
Technical field
The utility model relates to guard assembly, specifically a kind of open-and-close mechanism with redundancy feature be can be applied to
On space station.
Background technique
With the development construction of space station, more and more liquid channel systems are present and exposed in space environment, due to by
To the influence of the external conditions such as space dust, solar radiation, the service life of fluid path sealing element receives very big influence；But space
Standing, it is higher and higher to be required using the service life of element, so in order to protect the demand of critical seal component to come into being.For
Influence fluid path sealing element by space dust, solar radiation etc., external in sealing element increases a safeguard protection dress
It sets, the service life of liquid channel system sealing element can be substantially increased in this way, become the essential component of entire liquid channel system
One of.
Therefore, a kind of open-and-close mechanism with redundancy feature is designed to the long-life reliability service of space station liquid channel system extremely
It closes important.
Utility model content
In order to extend the service life of space station liquid channel system, the purpose of this utility model is to provide one kind to have redundancy
The open-and-close mechanism of function.The open-and-close mechanism realizes protection floating disconnection device drive end O-ring, prevents it from being irradiated by space environment
It influences.
The purpose of this utility model is achieved through the following technical solutions:
The utility model includes installation base plate, parts moving linearly, left-hand door component and right door portion part, linear movement portion
Part includes decelerating motor, screw rod, left-handed nut and right-handed nut, which is fixed on installation base plate, output shaft with turn
The dynamic screw rod connection being mounted on installation base plate, the screw rod left and right ends are oppositely oriented, and screw thread is distinguished on left and right ends and is connected
It is connected to left-handed nut and right-handed nut；The left-hand door component and right door portion part symmetrical configuration include gate, enabling magnet, close
Door sensor iron inhales iron, passive wicket, axis A, torsional spring and axis B, the gate of left-hand door component and right door portion part respectively with the left-handed nut
It is connected with right-handed nut, the enabling magnet and shutdown magnet are separately mounted on the gate；The axis A is rotatably installed in gate
On, axis B is fixed on gate, and the passive narrow door jamb is set on axis A and axis B, and affixed with axis A, and the torsional spring is placed in
In passive wicket, both ends are connected with the axis A and axis B respectively；The suction iron is mounted on passive wicket, is located at the enabling magnetic
Between iron and shutdown magnet；
Wherein: linear displacement transducer, the gate of the left-hand door component or right door portion part are installed on the installation base plate
On be connected with transfer block B, the pull rod of the linear displacement transducer is connected with the transfer block B；
Limit switches are installed on the installation base plate, are connected with gear on the gate of the left-hand door component or right door portion part
Block is respectively equipped with contact with the two sides of gate motion track in the block on the limit switch；
One end of the block is fixed on gate, and the other end extends to the limit switch direction, extension two sides
The contact is respectively equipped on limit switch；
Rolling guide-rail pairs are installed on the installation base plate, the gate of the left-hand door component and right door portion part respectively with rolling
The sliding block of guideway connects, and the guide rail under the drive of the parts moving linearly along rolling guide-rail pairs reciprocatingly slides；
The decelerating motor is fixed on installation base plate by motor mount, is respectively equipped at the both ends of the screw rod solid
The screw rod support end and screw rod fixing end being scheduled on installation base plate, the both ends of the screw rod respectively with the screw rod support end and screw rod
Fixing end rotation connection, and any end of screw rod is connected by shaft coupling with the output shaft of decelerating motor.
The advantages of the utility model and good effect are as follows:
1. fluid path floating disconnection device drive end increases the open-and-close mechanism of the utility model in space station, it is disconnected to realize that protection is floated
Device drive end O-ring is connect, prevents it from being irradiated the purpose influenced by space environment, substantially increases the service life of O-ring, be
The original innovative design of space station fluid path part.
2. the left and right door part of the utility model has redundancy feature, a quilt is increased in the inside of left and right door part
Dynamic wicket, when moving component can not be when proper motion, passive wicket can automatically open under the effect of external force.
3. the double rotational directions single-screw mandrel of the utility model realizes the reciprocating motion of left and right door part, installation space is saved, is tied
Structure is simple, reliable.
4. the utility model increases magnetic element, normal in straight-line motion mechanism for keeping the balance of passive wicket
Under operating condition, the balance of magnetic element and elastic element retentivity on door, passive wicket remains off constant.
5. the utility model increases double check element, using the switch state of limit switch detection open-and-close mechanism, together
The door state of Shi Liyong linear displacement transducer real-time detection open-and-close mechanism.
6. the utility model is using easily installation interface, bearing capacity is strong, interface wide adaptability, passes through change part
Interface is suitable for different product, effectively improves the scalability and maintainability of product, the research and development for greatly reducing product are set
Count cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic perspective view of the utility model door part；
Fig. 3 is to take away to inhale iron and passive small schematic perspective view behind the door in the utility model door part；
Fig. 4 is the structural front view of the utility model parts moving linearly；
Wherein: 101 be installation base plate, and 102 be parts moving linearly, and 103 be rolling guide-rail pairs, and 104 be left-hand door component,
105 be right door portion part, and 107 be linear displacement transducer, and 108 be limit switch；
201 be gate, and 202 be enabling magnet, and 203 be shutdown magnet, and 204 is inhale iron, and 205 be passive wicket, and 206 be to turn
Block A is met, 207 be axis A, and 208 be torsional spring, and 209 be axis B, and 210 be transfer block B, and 211 be pull rod, and 212 be block；
301 be screw rod support end, and 302 be left-handed nut, and 303 be screw rod, and 304 be right-handed nut, and 305 fix for screw rod
End, 306 be shaft coupling, and 307 be motor mount, and 308 be decelerating motor.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in figures 1-4, the utility model include installation base plate 101, parts moving linearly 102, rolling guide-rail pairs 103,
Left-hand door component 104, right door portion part 105, limit switch 106 and linear displacement transducer 107, wherein installation base plate 101 as with
The installation interface of other peripheral equipments, is mountable to the product of multiple structural forms, and interface is adaptable；Parts moving linearly
102 major function is the linear motion that the rotary motion of motor is converted to nut, to realize left-hand door component 104 and You Men
The linear reciprocating motion of component 105；Parts moving linearly 102 include decelerating motor 308, motor mount 307, shaft coupling 306,
Screw rod fixing end 305, screw rod support end 301, screw rod 303, left-handed nut 302 and right-handed nut 304, decelerating motor 308 pass through
Motor mount 307 is fixed on installation base plate 101, is respectively equipped with and is fixed on installation base plate 101 at the both ends of screw rod 303
Screw rod support end 301 and screw rod fixing end 305, the both ends of the screw rod 303 respectively with screw rod support end 301 and screw rod fixing end
305 rotation connections have revolution freedom degree, and any end of screw rod 303 passes through the defeated of shaft coupling 306 and decelerating motor 308
Shaft is connected.303 left and right ends of screw rod it is oppositely oriented, be threaded with left-handed nut 302 and the right side respectively on left and right ends
Spin nut 304 constitutes screw thread pair.Power device of the decelerating motor 308 of the present embodiment as open-and-close mechanism, using stepping electricity
Machine has the repeatability of preferable position precision and movement, and high reliablity, the service life is long, at low cost.Screw rod 303 uses trapezoidal screw,
There is self-lock ability under the conditions of being vibrated, impacting etc..
Rolling guide-rail pairs 103 include guide rail and sliding block, and guide rail is fixed on installation base plate 101, and sliding block and guide rail sliding connect
It connects.The rolling guide-rail pairs 103 of the present embodiment are two, are parallel to each other.Rolling guide-rail pairs 103 have guide function, guarantee left and right
The mobile reliability and stability of door part 104,105；The good rigidity of rolling guide-rail pairs 103, radial clearance is small, can overcome silk
The drive gap of bar 303 guarantees the reliable of movement, achievees the purpose that repeatedly folding still can satisfy mechanism performance requirement.
Left-hand door component 104 and 105 symmetrical configuration of right door portion part include gate 201, enabling magnet 202, shutdown magnet
203, iron 204, passive wicket 205, transfer block A206, axis A207, torsional spring 208 and axis B209, left-hand door component 104 and right door portion are inhaled
The one end at the gate 201 of part 105 is connected with transfer block A206, by respective transfer block A206 be utilized respectively screw with it is left-handed
Nut 302 is connected with right-handed nut 304.The other end at the gate 201 of left-hand door component 104 and right door portion part 105 and close one
The sliding block that the position at end passes through screw and two rolling guide-rail pairs 103 respectively is affixed, in the drive lower edge of parts moving linearly 102
Guide rail reciprocatingly slides.Enabling magnet 202 and shutdown magnet 203 are fixed on gate 201 by screw respectively.One end of axis A207
It is rotatably installed on gate 201, one end of axis B209 is fixed on gate 201, and the other end of axis A207 is another with axis B209's
It is located at the position below axis A207 and axis B209 there are gap between end, on gate 201 and is equipped with gap, the gap is by passive wicket
205 close.Passive wicket 205 is sheathed on axis A207 and axis B209, and affixed by screw and axis A207, and torsional spring 208 accommodates
In in the hole of passive wicket 205, both ends are connected with axis A207 and axis B209 respectively.Suction iron 204 is fixed in passive small by screw
On door 205, and between enabling magnet 202 and shutdown magnet 203.
Linear displacement transducer 107 is installed, it can be achieved that left-hand door component 104, right door portion part 105 exist on installation base plate 101
The monitoring of state in moving process realizes accurately measuring for 201 position of gate, to obtain left-hand door component 104, right door portion part
105 status information.It is connected with transfer block B210 on the gate 201 of left-hand door component 104 or right door portion part 105, the straight-line displacement
The pull rod 211 of sensor 107 is connected with transfer block B210.
Limit switches 106 are installed on installation base plate 101, the limit switch 106 of the present embodiment is a kind of mechanical switch,
It realizes the judgement that left-hand door component 104, right door portion part 105 are opened and closed, state is transferred to host computer in a manner of I/O signal.It is left
It is connected with block 212 on the gate 201 of door part 104 or right door portion part 105, one end of block 212 is fixed on gate 201,
The other end extends to 106 direction of limit switch, in block 212 with 201 moving rail of gate on the limit switch 106 of extension two sides
The two sides of mark are respectively equipped with contact.
The limit switch 106, linear displacement transducer 107 of the present embodiment are located at the same side of right door portion part 105, transfer block
One end of B210 and block 212 is affixed with the gate 201 of right door portion part 105.
The working principle of the utility model are as follows:
Original state, the gate 201 of left-hand door component 104 and the gate 201 of right door portion part 105 are closed, and inhale iron 204 by closing the door
Magnet 203 is sucked, and passive wicket 205 closes the gap on gate 201.At this point, power suffered by torsional spring 208 and shutdown magnet
Magnetic force between 203 and suction iron 204 balances each other.Decelerating motor 308 works, and drives lead screw 303 to rotate by shaft coupling 306, silk
303 left and right ends of bar are threadedly coupled with left-handed nut 302 and right-handed nut 304 respectively, and then drive the left-handed nut 302 and the right side
Spin nut 304 moves backward.The gate 201 of left-hand door component 104 is moved with left-handed nut 302 along guide rail, right door portion part 105 it is big
Door 201 is moved with right-handed nut 304 along guide rail, and two reverse movements of gate 201 are realized and opened the door.It needs at closing time, decelerating motor
308 driving screw rods 303 reversely rotate, and left-handed nut 302, right-handed nut 304 drive 201 and of gate of left-hand door component 104 respectively
The gate 201 of right door portion part 105 moves towards, and realizes and closes the door.During gate 201 switchs, pass through transfer block B210 band
Dynamic pull rod 211 is flexible, can real-time detection open-and-close mechanism door state；Meanwhile utilizing the touching on block 212 and limit switch 106
Point can detect the switch state of open-and-close mechanism.
When mechanical structure breaks down, during floating disconnection device drive end stretches out, passive wicket 205 passes through outer
Power is opened, and is inhaled iron 204 and is sucked by enabling magnet 202.After floating disconnection device drive end retracts, passive wicket 205 no longer restores.
Claims (6)
1. a kind of open-and-close mechanism with redundancy feature, it is characterised in that: including installation base plate (101), parts moving linearly
(102), left-hand door component (104) and right door portion part (105), wherein parts moving linearly (102) includes decelerating motor (308), silk
Bar (303), left-handed nut (302) and right-handed nut (304), which is fixed on installation base plate (101), defeated
Shaft is connect with the screw rod (303) being rotatably installed on installation base plate (101), and screw rod (303) left and right ends are oppositely oriented,
It is threaded with left-handed nut (302) and right-handed nut (304) respectively on left and right ends；The left-hand door component (104) and the right side
Door part (105) symmetrical configuration includes gate (201), enabling magnet (202), shutdown magnet (203), inhales iron (204), quilt
Dynamic wicket (205), axis A (207), torsional spring (208) and axis B (209), the gate of left-hand door component (104) and right door portion part (105)
(201) it is connected respectively with the left-handed nut (302) and right-handed nut (304), the enabling magnet (202) and shutdown magnet
(203) it is separately mounted on the gate (201)；The axis A (207) is rotatably installed on gate (201), and axis B (209) is fixed in
On gate (201), the passive wicket (205) is sheathed on axis A (207) and axis B (209), and, institute affixed with axis A (207)
It states torsional spring (208) to be placed in passive wicket (205), both ends are connected with the axis A (207) and axis B (209) respectively；The suction
Iron (204) is mounted on passive wicket (205).
2. according to claim 1 with the open-and-close mechanism of redundancy feature, it is characterised in that: on the installation base plate (101)
It is equipped with linear displacement transducer (107), is connected on the gate (201) of the left-hand door component (104) or right door portion part (105)
Transfer block B (210), the pull rod (211) of the linear displacement transducer (107) are connected with the transfer block B (210).
3. according to claim 1 with the open-and-close mechanism of redundancy feature, it is characterised in that: on the installation base plate (101)
It installs limit switches (106), is connected with block on the gate (201) of the left-hand door component (104) or right door portion part (105)
(212), contact is respectively equipped with the two sides of gate (201) motion track in the block (212) on the limit switch (106).
4. according to claim 3 with the open-and-close mechanism of redundancy feature, it is characterised in that: one end of the block (212)
It is fixed on gate (201), the other end extends to the limit switch (106) direction, the limit switch (106) of extension two sides
On be respectively equipped with the contact.
5. according to claim 1 with the open-and-close mechanism of redundancy feature, it is characterised in that: on the installation base plate (101)
It is equipped with rolling guide-rail pairs (103), the gate (201) of the left-hand door component (104) and right door portion part (105) is led with rolling respectively
The sliding block connection of rail pair (103), the guide rail under the drive of the parts moving linearly (102) along rolling guide-rail pairs (103) are past
Multiple sliding.
6. according to claim 1 with the open-and-close mechanism of redundancy feature, it is characterised in that: the decelerating motor (308) is logical
It crosses motor mount (307) to be fixed on installation base plate (101), is respectively equipped at the both ends of the screw rod (303) and is fixed on peace
Fill substrate (101) on screw rod support end (301) and screw rod fixing end (305), the both ends of the screw rod (303) respectively with the silk
Bar support end (301) and screw rod fixing end (305) rotation connection, and any end of screw rod (303) by shaft coupling (306) with
The output shaft of decelerating motor (308) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736332.6U CN209384873U (en) | 2018-10-25 | 2018-10-25 | Open-and-close mechanism with redundancy feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821736332.6U CN209384873U (en) | 2018-10-25 | 2018-10-25 | Open-and-close mechanism with redundancy feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209384873U true CN209384873U (en) | 2019-09-13 |
Family
ID=67867308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821736332.6U Withdrawn - After Issue CN209384873U (en) | 2018-10-25 | 2018-10-25 | Open-and-close mechanism with redundancy feature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209384873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162567A (en) * | 2018-10-25 | 2019-01-08 | 中国科学院沈阳自动化研究所 | A kind of open-and-close mechanism with redundancy feature |
-
2018
- 2018-10-25 CN CN201821736332.6U patent/CN209384873U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162567A (en) * | 2018-10-25 | 2019-01-08 | 中国科学院沈阳自动化研究所 | A kind of open-and-close mechanism with redundancy feature |
| CN109162567B (en) * | 2018-10-25 | 2023-09-26 | 中国科学院沈阳自动化研究所 | Opening and closing mechanism with redundancy function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20230926 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20230926 |