CN210164362U - Prevent maloperation's lock switch - Google Patents
Prevent maloperation's lock switch Download PDFInfo
- Publication number
- CN210164362U CN210164362U CN201920324824.2U CN201920324824U CN210164362U CN 210164362 U CN210164362 U CN 210164362U CN 201920324824 U CN201920324824 U CN 201920324824U CN 210164362 U CN210164362 U CN 210164362U
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- lock
- fixedly connected
- transmission shaft
- switch
- mounting groove
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Abstract
The utility model discloses a lock switch for preventing misoperation, which comprises a lock and a key matched with the lock; the bottom end of the lock is fixedly connected with a revolute pair which can be contacted with the quick-acting switch pressure lever. The lock comprises a lock sleeve, and a lock core is sleeved in the lock sleeve; the interlocking rod is horizontally arranged; the inner surface of the lock sleeve is provided with a mounting groove a, and the outer surface of the lock core is provided with an inverted U-shaped groove; one end of the interlocking rod is inserted into the mounting groove a, and the other end of the interlocking rod is inserted into the inverted U-shaped groove; a lock sleeve below the lock core is provided with a mounting hole; the bottom of the lock cylinder is fixedly connected with the top end of the transmission shaft; the transmission shaft is sleeved with a spring, and the spring is positioned in the mounting hole; the bottom end of the transmission shaft is fixedly connected with a revolute pair. The utility model discloses must push down certain stroke with the key before rotating the key, just rotatable key to prevent that operation personnel's maloperation from arousing the manipulation accident.
Description
Technical Field
The utility model belongs to the technical field of prevent maloperation switch's protection equipment, concretely relates to prevent maloperation's lock switch.
Background
The lock switch is widely applied to the fields of railway electric locomotives, diesel locomotives, electric motor train units, electric products and the like; in the locomotive, a master controller for controlling the operation of the locomotive controls the power supply of the whole locomotive control electric appliance by utilizing an electric signal output by the master controller so as to achieve control; only authorized persons can operate the locomotive. At present, a lock switch used in the market is simple in operation action, and locomotive drivers and passengers are easy to operate by mistake to cause operation accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent lock switch of maloperation has solved the easy maloperation switch of locomotive driver and crew who exists among the prior art and has aroused the problem of handling the accident.
The technical proposal adopted by the utility model is that a lock switch for preventing misoperation comprises a lock and a key matched with the lock; the bottom end of the lock is fixedly connected with a revolute pair which can be contacted with the quick-acting switch pressure lever.
The utility model discloses a characteristics still lie in:
the lock comprises a lock sleeve, and a lock core is sleeved in the lock sleeve; the interlocking rod is horizontally arranged; the inner surface of the lock sleeve is provided with a mounting groove a, and the outer surface of the lock core is provided with an inverted U-shaped groove; one end of the interlocking rod is inserted into the mounting groove a, and the other end of the interlocking rod is inserted into the inverted U-shaped groove; a lock sleeve below the lock core is provided with a mounting hole; the bottom of the lock cylinder is fixedly connected with the top end of the transmission shaft; the transmission shaft is sleeved with a spring, and the spring is positioned in the mounting hole; the bottom end of the transmission shaft is fixedly connected with a revolute pair.
The revolute pair is a cylindrical component; the top end of the cylindrical member is fixedly connected with the bottom end of the transmission shaft; the circumference of the bottom end of the cylindrical component is locally protruded downwards, and the protrusion has a slope or a radian along the rotating direction; the protrusion may contact the snap switch plunger.
The protrusions are axisymmetric.
The interlocking rod is a round shaft; the diameter of the mounting groove a is adapted to the diameter of the round shaft; the width of the inverted U-shaped groove is adapted to the diameter of the round shaft.
The bottom of the lock core is provided with a mounting groove b; the top end of the transmission shaft is inserted into the mounting groove b and is fixedly connected with the lock cylinder.
The transmission shaft is a square shaft; the shape and the size of the mounting groove b are adapted to the transmission shaft.
The bottom of the lock sleeve is fixedly connected to the upper surface of the mounting frame.
The lower surface of the mounting frame is fixedly connected to the upper surface of the connecting seat; the rotating pair is positioned in the connecting seat and is protected by the connecting seat.
The lower surface of the connecting seat is fixedly connected with the upper surface of the switch frame; the lower surface of the switch frame is fixedly connected with a quick-acting switch.
The utility model has the advantages that: before the operator rotates the key, the operator must press the key down for a certain stroke to rotate the key, so that the operator is prevented from operating accidents caused by misoperation.
Drawings
FIG. 1 is a front view of the locking switch of the present invention preventing erroneous operation;
FIG. 2 is a partial cross-sectional view of the mis-operation prevention lock switch of the present invention;
fig. 3 is a schematic structural view of the transmission shaft, the cam and the pressure lever of the lock switch for preventing misoperation of the present invention.
In the figure, 1, a lock, 2, a key, 3, a revolute pair, 4, a quick-acting switch compression bar, 5, a lock sleeve, 6, a lock cylinder, 7, an interlocking bar, 8, a mounting groove a, 9, an inverted U-shaped groove, 10, a mounting hole, 11, a transmission shaft, 12, a spring, 13, a mounting groove b, 14, a mounting frame, 15, a connecting seat, 16, a switch frame and 17, a quick-acting switch are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model relates to a lock switch for preventing misoperation, which comprises a lock 1 and a key 2 matched with the lock; the bottom of the lock 1 is fixedly connected with a revolute pair 3, and the revolute pair 3 can be contacted with a quick-acting switch pressure lever 4.
As shown in fig. 2, the lock 1 comprises a lock sleeve 5, and a lock core 6 is sleeved in the lock sleeve 5; the interlocking rod 7 is horizontally arranged; the interlock rod 7 is a circular shaft; the inner surface of the lock sleeve 5 is provided with a mounting groove a8, and the outer surface of the lock core 6 is provided with an inverted U-shaped groove 9; the diameter of the mounting groove a8 is matched with that of the round shaft; the width of the inverted U-shaped groove 9 is adapted to the diameter of the round shaft; one end of the interlock rod 7 is inserted into the mounting groove a8, and the other end is inserted into the inverted U-shaped groove 9; a mounting hole 10 is formed in the lock sleeve 5 below the lock core 6; the bottom of the lock cylinder 6 is provided with a mounting groove b 13; the top end of the transmission shaft 11 is inserted into the mounting groove b13 and is fixedly connected with the lock cylinder 6; the transmission shaft 11 is a square shaft; the size of the mounting groove b13 is adapted to the size of the transmission shaft. A spring 12 is sleeved outside the transmission shaft 11, and the spring 12 is positioned in the mounting hole 10; the bottom end of the transmission shaft 11 is fixedly connected with a revolute pair 3.
As shown in fig. 3, the revolute pair 3 is a cylindrical member; the top end of the cylindrical member is fixedly connected with the bottom end of the transmission shaft 11; the circumference of the bottom end of the cylindrical component is locally protruded downwards, and the protrusion has a slope or a radian along the rotating direction; the protrusion may be in contact with the snap switch lever 4. The protrusions are axisymmetric.
As shown in fig. 1, the bottom of the lock sleeve 5 is fixedly connected to the upper surface of the mounting frame 14. The lower surface of the mounting frame 14 is fixedly connected to the upper surface of the connecting seat 15; the revolute pair 3 is positioned in the connecting seat 15 and protected by the connecting seat 15. The lower surface of the connecting seat 15 is fixedly connected with the upper surface of the switch frame 16; the lower surface of the switch frame 16 is fixedly connected with a quick-acting switch 17.
The utility model discloses prevent the working process (principle) of maloperation's lock switch and do: in a free state, under the action of upward jacking force of the spring 12, the interlocking rod 7 is positioned at the lower end of the T-shaped groove 9 on the lock cylinder 6 and blocks the lock cylinder 6 from rotating; when the lock needs to be unlocked, the key 2 is inserted, the key 2 is firstly pressed down, the key 2 drives the lock cylinder 6 to move downwards together, the interlocking rod 7 moves to the upper end of the inverted U-shaped groove 9, the key 2 is rotated, the key 2 drives the lock cylinder 6 to rotate, the lock cylinder 6 drives the transmission shaft 11 to rotate, the transmission shaft 11 drives the revolute pair 3 to rotate, and the protrusion of the revolute pair 3 presses down the quick-acting switch pressing rod 4 in the rotating process, so that the quick-acting switch 17 is opened; the latching process is completely reversed from the above.
The utility model discloses prevent maloperation's lock switch, operating personnel must push down certain stroke with the key before rotating the key, just rotatable key to prevent that operating personnel's maloperation from arousing the manipulation accident.
Claims (9)
1. A prevent maloperation's lock switch which characterized in that: comprises a lock (1) and a key (2) matched with the lock; the bottom end of the lock (1) is fixedly connected with a revolute pair (3), and the revolute pair (3) can be contacted with a quick-acting switch pressure lever (4);
the lock (1) comprises a lock sleeve (5), and a lock core (6) is sleeved in the lock sleeve (5); the interlocking rod (7) is horizontally arranged; the inner surface of the lock sleeve (5) is provided with a mounting groove a (8), and the outer surface of the lock core (6) is provided with an inverted U-shaped groove (9); one end of the interlocking rod (7) is inserted into the mounting groove a (8), and the other end of the interlocking rod is inserted into the inverted U-shaped groove (9); a mounting hole (10) is formed in the lock sleeve (5) below the lock core (6); the bottom of the lock cylinder (6) is fixedly connected with the top end of the transmission shaft (11); a spring (12) is sleeved outside the transmission shaft (11), and the spring (12) is positioned in the mounting hole (10); the bottom end of the transmission shaft (11) is fixedly connected with a revolute pair (3).
2. The misoperation prevention lock switch according to claim 1, wherein: the revolute pair (3) is a cylindrical component; the top end of the cylindrical member is fixedly connected with the bottom end of the transmission shaft (11); the circumference of the bottom end of the cylindrical component is locally protruded downwards, and the protrusion has a slope or a radian along the rotating direction; the protrusion can be contacted with the quick-acting switch pressure lever (4).
3. The misoperation prevention lock switch according to claim 2, wherein: the protrusions are axisymmetric.
4. The misoperation prevention lock switch according to claim 1, wherein: the interlocking rod (7) is a round shaft; the mounting groove a (8) is adapted to the diameter of the round shaft; the width of the inverted U-shaped groove (9) is adapted to the diameter of the round shaft.
5. The misoperation prevention lock switch according to claim 1, wherein: the bottom of the lock cylinder (6) is provided with a mounting groove b (13); the top end of the transmission shaft (11) is inserted into the mounting groove b (13) and is fixedly connected with the lock cylinder (6).
6. The malfunction prevention lock switch according to any one of claims 1 to 5, wherein: the transmission shaft (11) is a square shaft; the shape and the size of the mounting groove b (13) are matched with those of the transmission shaft (11).
7. The misoperation prevention lock switch according to claim 5, wherein: the bottom of the lock sleeve (5) is fixedly connected to the upper surface of the mounting frame (14).
8. The misoperation prevention lock switch according to claim 7, wherein: the lower surface of the mounting rack (14) is fixedly connected to the upper surface of the connecting seat (15); the revolute pair (3) is positioned in the connecting seat (15) and is protected by the connecting seat (15).
9. The misoperation prevention lock switch according to claim 8, wherein: the lower surface of the connecting seat (15) is fixedly connected with the upper surface of the switch frame (16); the lower surface of the switch frame (16) is fixedly connected with a quick-acting switch (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324824.2U CN210164362U (en) | 2019-03-14 | 2019-03-14 | Prevent maloperation's lock switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324824.2U CN210164362U (en) | 2019-03-14 | 2019-03-14 | Prevent maloperation's lock switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164362U true CN210164362U (en) | 2020-03-20 |
Family
ID=69788398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920324824.2U Active CN210164362U (en) | 2019-03-14 | 2019-03-14 | Prevent maloperation's lock switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164362U (en) |
-
2019
- 2019-03-14 CN CN201920324824.2U patent/CN210164362U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211026 Address after: Room 1202, No. 1088, Zhongshan South Road, Huangpu District, Shanghai 200001 Patentee after: Shanghai yingzhenyingtai measurement and Control Technology Co.,Ltd. Address before: No.85, Jinye 1st Road, high tech Zone, Xi'an, Shaanxi 710065 Patentee before: XI'AN KAITIAN RAILWAY ELECTRICAL Co.,Ltd. |
|
| TR01 | Transfer of patent right |