CN213519706U - Mechanical on-off switch for underwater robot - Google Patents
Mechanical on-off switch for underwater robot Download PDFInfo
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- CN213519706U CN213519706U CN202022961144.7U CN202022961144U CN213519706U CN 213519706 U CN213519706 U CN 213519706U CN 202022961144 U CN202022961144 U CN 202022961144U CN 213519706 U CN213519706 U CN 213519706U
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- switch
- contact electrode
- knob
- copper column
- base
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Abstract
The utility model relates to a mechanical on-off switch for underwater robot, the switch base is sealed and installed on the bulkhead of the underwater robot, the internal thread of one end of the switch base is connected with a switch knob, a screw pair is formed between one end of the switch knob and the internal part of one end of the switch base, the other end of the switch knob is connected with a conductive copper column insulating part in a threaded manner, one end of the conductive copper column is connected with the conductive copper column insulating part in a threaded manner, and the other end is a contact end; the inside threaded connection of the other end of switch base has contact electrode insulating part, installs a plurality of contact electrodes that do not switch on each other at the outage state on the contact electrode insulating part, and the one end of each contact electrode encloses into the space that supplies to switch on copper post male, and the other end of every contact electrode all reserves the welding point that is used for the welding cable. The utility model discloses reliable operation, long service life, break-make electricity convenient operation, the maximum depth can be applied to the full sea depth, can extensively be applicable to various underwater robot.
Description
Technical Field
The utility model relates to an on-off switch that underwater robot used, specifically speaking are mechanical type on-off switch for underwater robot.
Background
The underwater robot is used as an underwater measurement and operation platform and is widely applied to the application fields of marine scientific research, marine engineering, marine resource exploration, rescue and salvage and the like. Most underwater robots are underwater equipment which can complete related tasks by carrying energy, and power-on and power-off operations are usually required before or after the underwater robots are deployed and recycled. At present, the power on/off mode of an underwater robot is usually plug-in or magnetic type. The plug-in on-off switch generally adopts a watertight connector to carry out short circuit and electrification; the mode needs the water robot to be carried out before water is distributed, the operation process is complicated, the technical requirements on personnel under complex and severe sea conditions are high, and leakage is easily caused by careless operation. The magnetic attraction type power-on switch needs to use a strong permanent magnet in the power-on and power-off process, which may affect navigation systems such as an electronic compass of the underwater robot; and the structure composition is comparatively complicated, and volume weight is great.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that current underwater robot on-off switch exists, the utility model aims to provide an underwater robot is with mechanical type on-off switch. The mechanical on-off switch for the underwater robot is simple in operation, stable and reliable in work, small in size and weight, simple in structure and low in cost, and can be applied to the whole sea depth.
The purpose of the utility model is realized through the following technical scheme:
the utility model discloses a switch base and be located the inside switch knob of this switch base respectively, switch on the copper post, switch on copper post insulating part, contact electrode and contact electrode insulating part, wherein switch base seal installation on underwater robot bulkhead, the inside threaded connection of one end of this switch base has the switch knob, form the screw pair between the one end of switch knob and the inside of one end of switch base, and relative along the reciprocal linear motion of axial through the screw pair the switch base, the other end threaded connection of switch knob has the copper post insulating part that switches on, the one end that switches on the copper post is connected with copper post insulating part threaded connection that switches on, the other end is the contact jaw; a contact electrode insulating part is connected with the inner part of the other end of the switch base in a threaded manner, a plurality of contact electrodes which are not mutually conducted in a power-off state are installed on the contact electrode insulating part, a space for inserting a conducting copper column is surrounded by one end of each contact electrode, and a welding point for welding a cable is reserved at the other end of each contact electrode; the switch knob is screwed to drive the conducting copper column to do reciprocating linear motion, so that the conducting copper column is contacted with or separated from the contact electrode, and the mechanical on-off switch is powered on or powered off.
Wherein: the external screw thread of switch base one end is connected with the knob locating part that limits switch knob displacement, prevents that switch knob from deviating from switch base when the outage.
The axial section of the knob limiting piece is in an inverted U shape, the inner surface of the U-shaped opening is provided with internal threads, and the bottom surface of the U-shaped opening is provided with a through hole for screwing the switch knob.
A straight wrench hole site convenient for rotation operation in the power-on and power-off process is reserved on the end face of one end of the switch knob, and a threaded hole A used for being in threaded connection with the conductive copper column insulating part is formed in the other end of the switch knob.
A through stepped hole is formed in the switch base along the axial direction, and internal threads are formed at two ends of the stepped hole respectively; two radial sealing rings are arranged between the switch base and the switch knob, and a combination mode of radial sealing and axial sealing is adopted between the switch base and the bulkhead of the underwater robot, namely the switch base and the bulkhead of the underwater robot are respectively sealed through the axial sealing ring of the base and the radial sealing ring of the base.
And a space enclosed by one end of each contact electrode is a cylindrical hole, the contact end of the conducting copper column is a cylindrical surface, and the cylindrical hole is in interference fit with the cylindrical surface of the contact end of the conducting copper column.
The conducting copper column and the contact electrode are made of beryllium bronze materials for reducing the impedance of the contact position.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses the operation is very simple, only needs to utilize a style of calligraphy spanner to carry out simple rotation in the carrier outside and can accomplish the outage operation, need not dismantle the outside annex of carrier and clear up sealed some at the scene.
2. The utility model discloses pressure level is high, and the highest robot that can be used for under the full sea deep water, application range is wide.
3. The utility model discloses an adopt double-seal structure, the reliability is higher.
4. The utility model discloses a switch on and adopt interference fit between copper post and the contact electrode, the circular telegram back contact is good, and switches on and have sufficient area of contact to close the impedance little between copper post and the contact electrode.
5. The utility model discloses with low costs, simple structure, overall dimension is little, and light in weight easily installs on underwater robot.
6. The utility model discloses a switch on copper post and contact electrode and utilize insulating material and switch knob and switch base to carry out insulation treatment, avoided the positive negative pole of carrier power and carrier shell short circuit to cause the electric leakage.
Drawings
Fig. 1 is a top view of the structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1 in the power-off state;
FIG. 3 is a cross-sectional view A-A of the powered state of FIG. 1;
wherein: the switch comprises a switch knob, a knob limiting part, a switch base, a knob movable sealing ring, a base axial sealing ring, a base radial sealing ring, a copper column, a contact electrode insulating part, a base axial sealing ring, a base radial sealing ring, a copper column insulating part, a contact electrode insulating part, a underwater robot bulkhead, a straight wrench hole position, a through hole, a welding point, a cable, a threaded hole A and a threaded hole B, wherein the switch knob is 1, the knob limiting part is 2, the switch base is 3, the knob movable sealing ring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model discloses a switch base 3 and the switch knob 1 that is located inside this switch base 3 respectively, switch on copper post 7, switch on copper post insulator 8, contact electrode 9 and contact electrode insulator 10, wherein switch base 3 is seal-mounted on underwater robot bulkhead 11, the internal screw thread of one end of this switch base 3 is connected with switch knob 1, form the screw pair between one end of switch knob 1 and the inside of one end of switch base 3, and through the reciprocal linear motion of screw pair relative switch base 3 along the axial, the other end screw thread of switch knob 1 is connected with switch on copper post insulator 8, the one end of switch on copper post 7 and switch on copper post insulator 8 threaded connection, the other end is the contact end; the other end of the switch base 3 is connected with a contact electrode insulating part 10 through threads, a plurality of contact electrodes 9 which are not conducted with each other in a power-off state are installed on the contact electrode insulating part 10, one end of each contact electrode 9 is surrounded to form a space for inserting the conducting copper column 7, a welding point 14 for welding a cable 15 is reserved at the other end of each contact electrode 9, and the welding point 14 is located outside the switch base 3.
The switch base 3 of this embodiment is provided with a through stepped hole along the axial direction, and the two ends of the stepped hole are respectively provided with an internal thread. A combination mode of radial sealing and axial sealing is adopted between the switch base 3 and the underwater robot bulkhead 11, namely, the switch base 3 and the underwater robot bulkhead 11 are respectively sealed through a base axial sealing ring 5 and a base radial sealing ring 6.
The external surface of one end of the switch knob 1 of the embodiment is provided with external threads which are used for being in threaded connection with internal threads at one end of the switch base 3 and forming a screw pair; a straight wrench hole site 2 is reserved on the end face of the end, so that the rotation operation is convenient in the power-on and power-off process; and the other end of the switch knob 1 is axially provided with a threaded hole A16 for being in threaded connection with the conductive copper column insulating part 8. Two radial sealing rings are arranged between the switch knob 1 and the switch base 3, namely two rotary moving sealing rings 4 are axially arranged. The external thread of one end of the switch base 3 is connected with a knob limiting part 2 for limiting the displacement of the switch knob 1 to prevent the switch knob 1 from being separated from the switch base 3 when power is off. The axial cross section of the knob locating part 2 of this embodiment is an inverted "U" shape, an internal thread is formed on the inner surface of the "U" shaped opening, and is used for being in threaded connection with an external thread at one end of the switch base 3, a through hole 13 for screwing the switch knob 1 is formed in the bottom surface of the "U" shape, the diameter of the through hole 13 is smaller than that at one end of the switch knob 1, and the straight wrench hole 12 is exposed in the through hole 13.
The axial section of the conducting copper column insulating part 8 of the embodiment is in an inverted T shape, and a threaded hole B17 is formed in the axial direction of the vertical edge of the inverted T shape and is used for being in threaded connection with the conducting copper column 7; the transverse edge of the inverted T shape is abutted against the end face of the other end of the switch knob 1.
The one end that switches on copper post 7 of this embodiment passes through screw thread mutual fixed connection with the screw hole B17 that switches on copper post insulator 8 to paint among both threads with epoxy structural adhesive, guarantee to connect and can not become flexible and drop. The conductive copper pillar 17 of the present embodiment is made of beryllium bronze, which has good conductivity and mechanical properties. The conductive copper pillar insulator 8 of the present embodiment is made of a non-metallic material (such as glass fiber reinforced plastic), and has good insulation, mechanical properties, and adhesion properties.
The contact electrode 9 of the present embodiment is divided into two parts, and is made of beryllium bronze material, and the two contact electrodes 9 are not conducted with each other in the power-off state. A space defined by one ends of the two contact electrodes 9 is a cylindrical hole, the contact end of the conducting copper column 7 is a cylindrical surface, and the cylindrical hole is in interference fit with the cylindrical surface of the contact end of the conducting copper column 7, so that good short circuit is ensured; in the embodiment, the conductive copper pillar 7 and the contact electrode 9 are made of beryllium bronze, so that the impedance of the contact position is effectively reduced.
The switch knob 1, the knob stopper 2, the through hole 13, the switch base 3, the threaded hole a16, the threaded hole B17, the conductive copper pillar insulator 8, the conductive copper pillar 7, the cylindrical hole, and the contact electrode insulator 10 of the present embodiment are collinear with each other in their axial center lines.
The epoxy structural adhesive of the utility model can adopt DP460 of American 3M company.
The utility model discloses an equipment operation as follows:
(1) the conductive copper column 7 and the conductive copper column insulating part 8 are fixedly connected with each other through threads, and epoxy structural adhesive is coated on the threads of the conductive copper column 7 and the conductive copper column insulating part, so that the connection is guaranteed not to loosen and fall off.
(2) And the conductive copper column insulating part 8 and the conductive copper column 7 are fixedly connected with the switch knob 1 through threads, and epoxy structural adhesive is smeared between the threads to ensure the connection strength. A linear wrench hole site 12 is reserved on the switch knob 1, so that the rotation operation is convenient in the power-on and power-off process.
(3) The assembly formed by the switch knob 1, the conductive copper column 7 and the conductive copper column insulating part 8 enters the switch base 3 through thread rotation, and a double-channel radial O-shaped sealing ring (namely a double-channel movable sealing ring 4) is adopted between the switch knob 1 and the switch base 3 for sealing.
(4) The knob limiting piece 2 is screwed on the switch base 3 through threads and used for limiting the displacement of the switch knob 1 and preventing the switch knob 1 from being separated from the switch base 3 during power failure.
(5) The contact electrode 9 is divided into two parts and is made of beryllium bronze material, and the two contact electrodes 9 are not conducted under the condition of power failure. The contact electrode 9 and the contact electrode insulator 10 are fixedly bonded by epoxy structural adhesive, and then the contact electrode insulator 10 and the switch base 3 are fixedly connected through threads. The contact electrode 9 is reserved with a soldering point 14 for soldering a cable 15.
(6) The assembled on-off switch can be fixedly connected to the underwater robot bulkhead 11, and a base axial sealing ring 5 and a base radial sealing ring 6 are adopted for sealing between the on-off switch and the underwater robot bulkhead 11.
The utility model discloses a theory of operation does:
when the underwater robot needs to be electrified, the switch knob 1 is screwed clockwise by using the I-shaped wrench, the rotary motion is converted into linear motion by the screw thread between the switch knob 1 and the switch base 3, the switch knob 1 drives the conducting copper column 7 and the conducting copper column insulating part 8 to move downwards to the bottommost end, and the conducting copper column 7 is inserted into a cylindrical hole formed by the two contact electrodes 9 and is simultaneously contacted with the two contact electrodes 9 to be conducted to finish the electrifying process, as shown in fig. 3. The cylindrical hole formed by the contact electrode 9 is in interference fit with the cylindrical surface at the other end of the conductive copper column 7, so that good contact is ensured, required contact pressure is ensured, the impedance at the contact point is reduced, and the heating effect is reduced.
When the underwater robot needs to be powered off, the switch knob 1 is screwed in the anticlockwise direction by using the I-shaped wrench, the rotary motion is converted into linear motion by the threads between the switch knob 1 and the switch base 3, the switch knob 1 drives the conducting copper column 7 and the conducting copper column insulating part 8 to move upwards to the topmost end, the conducting copper column 7 is separated from the cylindrical hole formed by the two contact electrodes 9 at the moment, the two contact electrodes 9 are separated from each other simultaneously, and the two contact electrodes 9 are disconnected to complete the power-off process, as shown in fig. 2.
Claims (7)
1. The utility model provides a mechanical type break-make electric switch for underwater robot which characterized in that: the underwater robot switch comprises a switch base (3), a switch knob (1), a conducting copper column (7), a conducting copper column insulating part (8), a contact electrode (9) and a contact electrode insulating part (10), wherein the switch knob (1) is respectively positioned in the switch base (3), the switch knob insulating part, the contact electrode and the contact electrode insulating part (10), the switch base (3) is hermetically installed on a bulkhead (11) of an underwater robot, the switch knob (1) is connected with one end of the switch base (3) through internal threads, a screw pair is formed between one end of the switch knob (1) and one end of the switch base (3) and can axially reciprocate linearly relative to the switch base (3) through the screw pair, the conducting copper column insulating part (8) is connected with the other end of the switch knob (1) through threads, one end of the conducting copper column (7) is in threaded connection with the conducting copper column insulating part (; a contact electrode insulating part (10) is connected to the inner part of the other end of the switch base (3) in a threaded manner, a plurality of contact electrodes (9) which are not conducted with each other in a power-off state are installed on the contact electrode insulating part (10), a space for inserting a conducting copper column (7) is enclosed by one end of each contact electrode (9), and a welding point (14) for welding a cable (15) is reserved at the other end of each contact electrode (9); the switch knob (1) is screwed to drive the conductive copper column (7) to do reciprocating linear motion, so that the conductive copper column (7) is contacted with or separated from the contact electrode (9), and the mechanical on-off switch is powered on or powered off.
2. The mechanical on-off switch for underwater robots of claim 1, characterized in that: the switch base (3) one end outside threaded connection have limit switch knob (1) displacement, prevent that switch knob (1) from deviating from knob locating part (2) of switch base (3) when the outage.
3. The mechanical on-off switch for underwater robots of claim 2, characterized in that: the axial section of the knob limiting piece (2) is in an inverted U shape, internal threads are formed on the inner surface of the U-shaped opening, and a through hole (13) for screwing the switch knob (1) is formed in the bottom surface of the U-shaped opening.
4. The mechanical on-off switch for underwater robots of claim 1, characterized in that: a linear wrench hole site (12) convenient for rotation operation in the power-on and power-off process is reserved on the end face of one end of the switch knob (1), and a threaded hole A (16) used for being in threaded connection with the conductive copper column insulating part (8) is formed in the other end of the switch knob (1).
5. The mechanical on-off switch for underwater robots of claim 1, characterized in that: a through stepped hole is formed in the switch base (3) along the axial direction, and internal threads are formed at two ends of the stepped hole respectively; two radial sealing rings are arranged between the switch base (3) and the switch knob (1), and a combination mode of radial sealing and axial sealing is adopted between the switch base (3) and the underwater robot bulkhead (11), namely, the switch base (3) and the underwater robot bulkhead (11) are respectively sealed through the base axial sealing ring (5) and the base radial sealing ring (6).
6. The mechanical on-off switch for underwater robots of claim 1, characterized in that: and a space enclosed by one end of each contact electrode (9) is a cylindrical hole, the contact end of the conducting copper column (7) is a cylindrical surface, and the cylindrical hole is in interference fit with the cylindrical surface of the contact end of the conducting copper column (7).
7. The mechanical on-off switch for underwater robots of claim 1, characterized in that: the conducting copper column (7) and the contact electrode (9) are made of beryllium bronze materials for reducing the impedance of the contact position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022961144.7U CN213519706U (en) | 2020-12-09 | 2020-12-09 | Mechanical on-off switch for underwater robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022961144.7U CN213519706U (en) | 2020-12-09 | 2020-12-09 | Mechanical on-off switch for underwater robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213519706U true CN213519706U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022961144.7U Active CN213519706U (en) | 2020-12-09 | 2020-12-09 | Mechanical on-off switch for underwater robot |
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| CN (1) | CN213519706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435883A (en) * | 2020-12-09 | 2021-03-02 | 中国科学院沈阳自动化研究所 | Mechanical on-off switch for underwater robot |
-
2020
- 2020-12-09 CN CN202022961144.7U patent/CN213519706U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435883A (en) * | 2020-12-09 | 2021-03-02 | 中国科学院沈阳自动化研究所 | Mechanical on-off switch for underwater robot |
| CN112435883B (en) * | 2020-12-09 | 2024-04-05 | 中国科学院沈阳自动化研究所 | Mechanical on-off switch for underwater robot |
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