Switching structure of quick switch

Abstract

The utility model discloses a switching structure of a quick switch, which comprises a switch box body, an operating rod is arranged on the switch box body, a locking mechanism is arranged on the operating rod, a protection mechanism is arranged on the outer side of the locking mechanism, the locking mechanism comprises a reader, an RFID (Radio Frequency Identification) card, a locking sleeve and a movable head, a locking tooth groove is formed in the locking sleeve, and the movable head is connected with the reader. The end portion of the movable head is fixedly connected with a fixed rack and a first spring. According to the switching structure of the quick switch, the RFID card is used to approach the reader, the reader reads information to control the electric push rod to drive the fixed tooth block and the fixed rack to be separated and unlocked, then the movable head is pressed to release the constraint on the operating rod, the operating rod is rotated to perform opening and closing operation, after the operation is completed, the movable head is loosened, and the locking tooth block is reset and locked again. And in addition, the fixed tooth block and the fixed rack are meshed and locked again through the electric push rod, misoperation can be effectively prevented, and the use safety and stability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fast-cut switches, in particular to a switching structure of a fast-cut switch. Background Art

[0002] The bypass quick-cut switch can be operated without power outage. The bypass quick-cut switch can be manually closed and opened by an operating lever. In the prior art, after the quick-cut switch is closed and opened, it is easy to misoperate the operating lever, which makes the safety of use less than ideal.

[0003] For example, patent publication number CN212084862U specifically discloses a spring operating mechanism with compact and reasonable structure, simple operation and high reliability of closing and opening. The utility model includes a power mechanism, a closing mechanism and an opening mechanism. In the closing state, when the limit block touches the closing stop, it is restricted by the limit axis 1 and is stuck. When the opening state is executed, the telescopic rod of the closing linear drive mechanism is extended, and the initial limit axis 1 rotates. When the end of the closing swing plate is completely free from the restraint of the release groove 1, the limit block continues to rotate counterclockwise. When the transmission cam on the closing rotating shaft collides with the push wheel, the push wheel is pushed to rotate. The push wheel is movably arranged on the V-shaped swing plate, that is, the output shaft drives the opening cam 2 to move in the outward direction, so as to realize the rotation of the switch main shaft and finally realize the opening function. The utility model has the characteristics of reliable operation and simple operation. However, there is a problem that after the closing and opening operation of this quick-cut switch, it is easy to misoperate the toggle operating lever, which makes the safety of use less than ideal. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a switching structure of a quick-cut switch, which solves the problem that after the quick-cut switch is closed or opened, the operating lever is easily misoperated, thereby making the use safety less than ideal.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a switching structure of a quick-cut switch, comprising a switch box, an operating rod is provided on the switch box, a locking mechanism is provided on the operating rod, and a protective mechanism is provided on the outer side of the locking mechanism;

[0006] The locking mechanism includes a reader, an RFID card, a locking sleeve and a movable head, a locking tooth groove is provided inside the locking sleeve, a fixed rack and a first spring are fixedly connected to the end of the movable head, a rotating gear is meshedly connected to one side of the fixed rack, a winding wheel is fixedly connected to the end of the rotating gear, a pull rope is fixedly connected to the winding wheel, two locking tooth blocks are fixedly connected to the end of the pull rope, both of the two locking tooth blocks are fixedly connected to limit blocks, a guide rod is provided between the two limit blocks, a second spring is provided on the guide rod, an electric push rod is provided on one side of the fixed rack, and a fixed tooth block is fixedly connected to the end of the output shaft of the electric push rod.

[0007] Preferably, the reader is fixedly mounted on the switch box, the RFID card matches the reader, and the reader is connected to the electric push rod, so that the reader can read the content in the RFID card, thereby driving the electric push rod to work.

[0008] Preferably, the locking sleeve is fixedly mounted on the switch box, and the operating rod and the locking sleeve are interpenetratingly arranged, so that the locking sleeve can cooperate with the locking tooth block to lock the operating rod to prevent misoperation.

[0009] Preferably, the movable head is arranged on the operating rod, and the movable head and the fixed rack are both slidably connected to the inner wall of the operating rod, so that the movable head can move.

[0010] Preferably, the guide rod is fixedly installed inside the operating rod, the limit block is slidably connected to the guide rod, and the end of the locking tooth block passes through the operating rod and partially extends to the outside thereof, so that the locking tooth block can be retracted into the operating rod and can extend out of the operating rod into the locking sleeve.

[0011] Preferably, the electric push rod is fixedly connected to the inner wall of the operating rod, and the fixed tooth block matches the fixed rack, so that the electric push rod can drive the fixed tooth block to move and lock the fixed rack.

[0012] Preferably, the protective mechanism includes a movable frame, a protective cover plate is fixedly connected to the front surface of the movable frame, a guide slider is fixedly connected to the end of the movable frame, the movable frame is slidably connected to the inner wall of the switch box through the guide slider, a third spring is provided on one side of the guide slider, and the movable frame is arranged on the outside of the reader so as to protect the reader.

[0013] The utility model provides a switching structure of a quick-cut switch. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The switching structure of the quick-cut switch uses an RFID card to approach the reader. The reader reads the information to control the electric push rod to drive the fixed tooth block to separate from the fixed rack and release the lock. Then, the movable head is pressed to release the constraint on the operating lever, and the operating lever is turned to perform the opening and closing operations. After the operation is completed, the movable head is released, the locked tooth block is reset and re-locked, and the electric push rod re-engages and locks the fixed tooth block with the fixed rack, which can effectively prevent misoperation and improve the safety and stability of use.

[0015] 2. The switching structure of the quick-cut switch pushes the movable frame, which squeezes the third spring to expose the reader for card reading. After the card reading is completed, the movable frame is released, and the third spring resets the movable frame. The protective cover is used to cover the reader to improve the protection effect of the reader. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the operating lever and locking mechanism structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection structure between the movable head and the operating rod of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the protection mechanism of the utility model.

[0020] In the figure: 1. switch box; 2. locking mechanism; 201. reader; 202. movable head; 203. locking sleeve; 204. locking tooth groove; 205. fixed rack; 206. first spring; 207. rotating gear; 208. winding wheel; 209. pull rope; 210. locking tooth block; 211. limit block; 212. guide rod; 213. electric push rod; 214. fixed tooth block; 3. operating rod; 4. protection mechanism; 401. movable frame; 402. guide slider; 403. protection cover; 404. third spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3The utility model provides a technical solution: a switching structure of a quick-cut switch, including a switch box 1, an operating rod 3 is provided on the switch box 1, a locking mechanism 2 is provided on the operating rod 3, and a protective mechanism 4 is provided on the outer side of the locking mechanism 2. The operating rod 3 can be locked by the locking mechanism 2, thereby effectively preventing misoperation and improving the safety and stability of use.

[0023] The locking mechanism 2 includes a reader 201, an RFID card, a locking sleeve 203 and a movable head 202. The reader 201 is fixedly mounted on the switch box 1. The RFID card matches the reader 201. The RFID card has a built-in chip so that it can be read by the reader 201. The reader 201 is connected to the electric push rod 213 so that the reader 201 can read the content in the RFID card, thereby driving the electric push rod 213 to work. The reader 201 has a built-in M68HC16 single-chip microcomputer to control the electric push rod 213. The locking sleeve 203 is fixedly mounted on the switch box 1 and the operator The operating rod 3 and the locking sleeve 203 are arranged through, so that the locking sleeve 203 can cooperate with the locking tooth block 210 to lock the operating rod 3 to prevent misoperation. The movable head 202 is arranged on the operating rod 3, and the movable head 202 and the fixed rack 205 are slidably connected to the inner wall of the operating rod 3, so that the movable head 202 can move. A locking tooth groove 204 is opened inside the locking sleeve 203. The end of the movable head 202 is fixedly connected with the fixed rack 205 and the first spring 206, which can reset the movable head 202 and the fixed rack 205. One side of the fixed rack 205 is meshed with a rotating gear 207, and the end of the rotating gear 207 A winding wheel 208 is fixedly connected, and a pull rope 209 is fixedly connected to the winding wheel 208. Two locking tooth blocks 210 are fixedly connected to the ends of the pull rope 209, so that the winding wheel 208 can pull the two locking tooth blocks 210 to move after the pull rope 209 is rolled up. A limit block 211 is fixedly connected to the two locking tooth blocks 210, and the limit block 211 can prevent the locking tooth block 210 from being separated from the operating rod 3. A guide rod 212 is provided between the two limit blocks 211, and the guide rod 212 is fixedly installed inside the operating rod 3. The limit block 211 is slidably connected to the guide rod 212, which can guide the limit block 211. The locking tooth block 21 0 end penetrates the operating rod 3 and partially extends to the outside thereof, so that the locking tooth block 210 can be received in the operating rod 3 and can extend out of the operating rod 3 to enter the locking sleeve 203. A second spring is provided on the guide rod 212, which can reset the two locking tooth blocks 210. An electric push rod 213 is provided on one side of the fixed rack 205. The output shaft end of the electric push rod 213 is fixedly connected to a fixed tooth block 214. The electric push rod 213 is fixedly connected to the inner wall of the operating rod 3. The fixed tooth block 214 matches the fixed rack 205, so that the electric push rod 213 can drive the fixed tooth block 214 to move and lock the fixed rack 205.

[0024] See also Figure 1 and Figure 4 The protection mechanism 4 includes a movable frame 401, a protective cover 403 is fixedly connected to the front surface of the movable frame 401, a guide slider 402 is fixedly connected to the end of the movable frame 401, the movable frame 401 is slidably connected to the inner wall of the switch box 1 through the guide slider 402, a third spring 404 is provided on one side of the guide slider 402, and the movable frame 401 is arranged on the outside of the reader 201, so that it can play a protective role for the reader 201. By pushing the movable frame 401, the movable frame 401 squeezes the third spring 404 to expose the reader 201 for card reading. After the card reading is completed, the movable frame 401 is released, and the third spring 404 resets the movable frame 401, and the protective cover 403 is used to cover the reader 201 to improve the protection effect on the reader 201.

[0025] During operation, an RFID card is placed close to the reader 201. The reader 201 reads information and controls the electric push rod 213 to drive the fixed tooth block 214 to separate from the fixed rack 205 and release the lock. Then, the movable head 202 is pressed and the movable head 202 moves to drive the fixed rack 205 to move. The fixed rack 205 moves to drive the rotating gear 207 to rotate. The rotating gear 207 rotates to drive the winding wheel 208 to rewind the pull rope 209. The pull rope 209 moves to drive the locking tooth block 210 to separate from the locking tooth groove 204 inside the locking sleeve 203, releasing the constraint on the operating rod 3. Then, the operating rod 3 is rotated to perform the opening and closing operation. After the operation is completed, the movable head 202 is released, the locking tooth block 210 is reset and locked again, and the electric push rod 213 re-engages and locks the fixed tooth block 214 with the fixed rack 205, which can effectively prevent misoperation and improve the safety and stability of use.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A switching structure of a fast-cut switch, comprising a switch box (1), characterized in that: The switch box (1) is provided with an operating rod (3), the operating rod (3) is provided with a locking mechanism (2), and a protective mechanism (4) is provided outside the locking mechanism (2); The locking mechanism (2) comprises a reader (201), an RFID card, a locking sleeve (203) and a movable head (202); a locking tooth groove (204) is provided inside the locking sleeve (203); a fixed rack (205) and a first spring (206) are fixedly connected to the end of the movable head (202); a rotating gear (207) is meshedly connected to one side of the fixed rack (205); a winding wheel (208) is fixedly connected to the end of the rotating gear (207); and the winding wheel (208) A pull rope (209) is fixedly connected to the upper portion, and two locking tooth blocks (210) are fixedly connected to the ends of the pull rope (209), and the two locking tooth blocks (210) are fixedly connected to limit blocks (211), and a guide rod (212) is provided between the two limit blocks (211), and a second spring is provided on the guide rod (212), and an electric push rod (213) is provided on one side of the fixed rack (205), and the output shaft end of the electric push rod (213) is fixedly connected to a fixed tooth block (214).

2. The switching structure of a fast-cut switch according to claim 1, characterized in that: The reader (201) is fixedly mounted on the switch box (1), the RFID card matches the reader (201), and the reader (201) is connected to the electric push rod (213).

3. The switching structure of a fast-cut switch according to claim 1, characterized in that: The locking sleeve (203) is fixedly mounted on the switch box (1), and the operating rod (3) and the locking sleeve (203) are intersected.

4. The switching structure of a fast-cut switch according to claim 1, characterized in that: The movable head (202) is arranged on the operating rod (3), and the movable head (202) and the fixed rack (205) are both slidably connected to the inner wall of the operating rod (3).

5. The switching structure of a fast-cut switch according to claim 1, characterized in that: The guide rod (212) is fixedly installed inside the operating rod (3), the limit block (211) is slidably connected to the guide rod (212), and the end of the locking tooth block (210) passes through the operating rod (3) and partially extends to the outside thereof.

6. The switching structure of a fast-cut switch according to claim 1, characterized in that: The electric push rod (213) is fixedly connected to the inner wall of the operating rod (3), and the fixed tooth block (214) matches the fixed rack (205).

7. The switching structure of a fast-cut switch according to claim 1, characterized in that: The protection mechanism (4) comprises a movable frame (401), and a protection cover plate (403) is fixedly connected to the front surface of the movable frame (401).

8. The switching structure of a fast-cut switch according to claim 7, characterized in that: A guide slider (402) is fixedly connected to the end of the movable frame (401); the movable frame (401) is slidably connected to the inner wall of the switch box (1) via the guide slider (402); a third spring (404) is provided on one side of the guide slider (402); and the movable frame (401) is arranged outside the reader (201).

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