CN213278587U - Explosion-proof control bolt with opening control structure - Google Patents
Explosion-proof control bolt with opening control structure Download PDFInfo
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- CN213278587U CN213278587U CN202022832899.7U CN202022832899U CN213278587U CN 213278587 U CN213278587 U CN 213278587U CN 202022832899 U CN202022832899 U CN 202022832899U CN 213278587 U CN213278587 U CN 213278587U
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Abstract
The utility model discloses an explosion-proof control bolt with open control structure, including control shell, wiring pipe and sparkless type bolt, control shell upper end fixed mounting has key switch, and key switch lower extreme fixedly connected with control wire to control wire lower extreme fixedly connected with power-off control ware, control shell upper end fixed mounting has the pilot lamp, the spacing ring is installed to control shell right side outer wall, the inside fixedly connected with cable of control shell, the spacing post of control shell right-hand member fixedly connected with, control shell right-hand member fixed mounting has the spring, wiring pipe left side fixedly connected with locking ring, just sparkless type bolt left side fixed outer wall fixedly connected with spacing post. This explosion-proof control bolt with open control structure is inside to be equipped with the outage controller, need not to extract explosion-proof control bolt and also can carry out the outage, and no spark type bolt rear side is equipped with the spring for no spark type bolt is when inserting explosion-proof socket, and is lighter inseparable.
Description
Technical Field
The utility model relates to an explosion-proof power overhauls block terminal technical field specifically is an explosion-proof control bolt with open control structure.
Background
The explosion-proof control bolt is a bolt matched with an explosion-proof socket for use, is special control equipment used in various high-risk places, is used in places with dangerous gas around and is used for controlling products of an electric circuit, a shell is formed by pressing aluminum alloy, electrical elements inside the shell are subjected to explosion-proof treatment, and all the electrical elements capable of generating electric sparks are sealed to isolate the electrical elements from the external dangerous gas. The explosion-proof socket can be produced and sold only by related qualification in China, and some places are in mandatory requirements for use, and the explosion-proof socket is mainly used in some special occasions such as: coal mines, gas stations, oil refineries and other places with flammable and explosive gases.
However, the existing explosion-proof control bolt has the following problems:
the existing explosion-proof control bolt is matched with an explosion-proof socket for use, so that the explosion-proof control bolt can be frequently inserted into the explosion-proof socket when some equipment is required to be connected, and the explosion-proof control bolt needs to be pulled out when the explosion-proof control bolt is not used, so that repeated plugging and pulling are troublesome, and the service lives of the explosion-proof control bolt and the explosion-proof socket can be prolonged.
Aiming at the problems, innovative design is urgently needed on the basis of the original explosion-proof control bolt.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof control bolt with open control structure to solve above-mentioned background art and propose some explosion-proof control bolts because with explosion-proof socket cooperation use, can often insert explosion-proof control bolt among the explosion-proof socket when some need connect some equipment, need extract again when not using, the plug that relapses like this is not only comparatively troublesome, but also can reduce explosion-proof control bolt and explosion-proof socket life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof control bolt with an opening control structure comprises a control shell, a wiring tube and a sparkless bolt, wherein the right side of the control shell is connected with a locking shell, an internal thread is arranged inside the right side of the locking shell, a key switch is fixedly arranged at the upper end of the control shell, a control wire is fixedly connected to the lower end of the key switch, a power-off controller is fixedly connected to the lower end of the control wire, an indicator lamp is fixedly arranged at the upper end of the control shell, a control wire is fixedly connected to the lower end of the indicator lamp, a cable is fixedly connected to the right side of the control wire, a limiting ring is arranged on the outer wall of the right side of the control shell, a cable is fixedly connected inside the control shell, a limiting column is fixedly connected to the right end of the control shell, a spring is fixedly arranged at the right end of the control, and fixed mounting has a locking bolt in the middle of the locking ring, the inside fixedly connected with cable of wiring pipe, location breach has been seted up on sparkless type bolt right side, sparkless type bolt left side center fixedly connected with cable, the spacing post of sparkless type bolt left side fixed outer wall fixedly connected with, the inside center fixed mounting of sparkless type bolt has the fitting pin, the inside fixed mounting of sparkless type bolt has explosion-proof electrode, the inside fixedly connected with earthing pole of sparkless type bolt, the inside fixed mounting of sparkless type bolt has supplementary bolt.
Preferably, the control shell is internally provided with a power-off controller at the center, the power-off controller is connected with the indicator lamp and the key switch through control wires, and the left side and the right side of the power-off controller are symmetrically connected with cables.
Preferably, the left side of the wire connecting tube is provided with an annular groove, the locking ring forms a detachable structure with the annular groove through a locking bolt, and the minimum diameter of the locking ring is equal to the diameter of the annular groove.
Preferably, the internal thread forms a rotating structure through the locking shell and the control shell, and the limiting ring is located between the indicator light and the locking shell.
Preferably, the sparkless type bolt forms a sliding structure with the control shell through a spring, the diameter of the cable is smaller than the inner diameter of the spring, and the diameter of the left side of the sparkless type bolt is larger than the inner diameter of the right side of the limiting column.
Preferably, there are 4 auxiliary pins inside the sparkless type pin at equal angles, and there are 3 explosion-proof electrodes and a grounding electrode inside the sparkless type pin at equal angles.
Compared with the prior art, the beneficial effects of the utility model are that: this explosion-proof control bolt with open control structure inside is equipped with the outage controller, controls the outage controller through key switch and breaks off and connects the cable, can insert explosion-proof control bolt in explosion-proof socket always, need not to extract explosion-proof control bolt and also can cut off the power supply, facilitates the use, and no spark type bolt rear side is equipped with the spring for no spark type bolt is when inserting explosion-proof socket, and is lighter and inseparable.
1. The power-off controller is arranged in the center of the interior of the control shell and is connected with the indicator lamp and the key switch through the control wire, the cables are symmetrically connected to the left side and the right side of the power-off controller, the power-off controller is controlled by the key switch to disconnect and connect the cables, the working condition of the power-off controller can be known through the indicator lamp, the explosion-proof control plug can be inserted into the explosion-proof socket all the time, the power can be cut off without pulling out the explosion-proof control plug, and the use is convenient;
2. be equipped with no spark type bolt and pass through spring and control shell formation sliding construction, no spark type bolt left side diameter is greater than spacing post right side internal diameter, makes no spark type bolt when inserting explosion-proof socket through the spring, and is inseparabler with being connected of explosion-proof socket, through the position of spacing post restriction no spark type bolt, prevents that no spark type bolt from taking place to damage when not using.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view of the control housing of the present invention;
FIG. 3 is a schematic cross-sectional view of the locking shell of the present invention;
fig. 4 is a right side schematic view of the present invention.
In the figure: 1. a locking shell; 2. a limiting ring; 3. an indicator light; 4. a key switch; 5. a control housing; 6. a wire connecting pipe; 7. locking a ring; 8. locking the bolt; 9. a control wire; 10. a cable; 11. a power-off controller; 12. a spring; 13. a limiting column; 14. an internal thread; 15. a sparkless type bolt; 16. positioning the notch; 17. an explosion-proof electrode; 18. an auxiliary bolt; 19. a locking pin; 20. and a grounding electrode.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an explosion-proof control bolt with an opening control structure comprises a locking shell 1, a limiting ring 2, an indicator lamp 3, a key switch 4, a control shell 5, a wiring pipe 6, a locking ring 7, a locking bolt 8, a control wire 9, a cable 10, a power-off controller 11, a spring 12, a limiting column 13, an internal thread 14, a sparkless bolt 15, a positioning notch 16, an explosion-proof electrode 17, an auxiliary bolt 18, a locking pin 19 and a grounding electrode 20, wherein the right side of the control shell 5 is connected with the locking shell 1, the right side of the locking shell 1 is internally provided with the internal thread 14, the upper end of the control shell 5 is fixedly provided with the key switch 4, the lower end of the key switch 4 is fixedly connected with the control wire 9, the lower end of the control wire 9 is fixedly connected with the power-off controller 11, the upper end of the control shell 5 is fixedly provided with the indicator lamp 3, the lower end of the indicator lamp 3 is, the outer wall of the right side of the control shell 5 is provided with a limiting ring 2, the inside of the control shell 5 is fixedly connected with a cable 10, the right end of the control shell 5 is fixedly connected with a limiting column 13, the right end of the control shell 5 is fixedly provided with a spring 12, the right end of the wiring tube 6 is fixedly provided with the control shell 5, the left side of the wiring tube 6 is fixedly connected with a locking ring 7, and a locking bolt 8 is fixedly installed in the middle of the locking ring 7, a cable 10 is fixedly connected inside the wiring tube 6, a positioning notch 16 is formed in the right side of the sparkless type bolt 15, the cable 10 is fixedly connected to the center of the left side of the sparkless type bolt 15, a limiting column 13 is fixedly connected to the outer wall of the left side of the sparkless type bolt 15, a locking pin 19 is fixedly installed at the center of the inside of the sparkless type bolt 15, an explosion-proof electrode 17 is fixedly installed inside the sparkless type bolt 15, a grounding electrode 20 is fixedly connected inside the sparkless type bolt 15, and an auxiliary bolt 18 is fixedly installed inside the sparkless type bolt.
In this example, the power-off controller 11 is arranged in the center of the interior of the control shell 5, the power-off controller 11 is connected with the indicator lamp 3 and the key switch 4 through the control wire 9, the cables 10 are symmetrically connected to the left side and the right side of the power-off controller 11, the power-off controller 11 is controlled by the key switch 4 to disconnect and connect the cables 10, the working condition of the power-off controller 11 can be known through the indicator lamp 3, the explosion-proof control plug can be inserted into the explosion-proof socket all the time, the power-off can be carried out without pulling out the explosion-proof control plug, and the use is convenient.
The left side of the wiring pipe 6 is provided with an annular groove, the locking ring 7 forms a detachable structure with the annular groove through the locking bolt 8, the minimum diameter of the locking ring 7 is equal to the diameter of the annular groove, the wiring pipe is conveniently and externally connected after the locking ring 7 is detached, the wiring pipe and the wiring pipe 6 can be locked through the mounting of the locking ring 7, and the wiring pipe 6 is tight in position and cannot be ventilated.
The sparkless type bolt 15 forms a sliding structure with the control shell 5 through the spring 12, the diameter of the cable 10 is smaller than the inner diameter of the spring 12, the diameter of the left side of the sparkless type bolt 15 is larger than the inner diameter of the right side of the limiting column 13, the sparkless type bolt 15 is connected with the explosion-proof socket more tightly when being inserted into the explosion-proof socket through the spring 12, the position of the sparkless type bolt 15 is limited through the limiting column 13, and the sparkless type bolt 15 is prevented from being damaged when not used.
The inside equal angle of sparkless type bolt 15 is equipped with 4 auxiliary bolt 18, and the inside equal angle of sparkless type bolt 15 is equipped with 3 explosion-proof electrode 17 and an earthing pole 20, inserts 3 explosion-proof electrode 17 and an earthing pole 20 through 4 auxiliary bolt 18 convenient location when inserting explosion-proof socket.
The working principle is as follows: when the explosion-proof control bolt with the opening control structure is used, firstly, equipment is connected through a cable 10 according to the figure 1-2, then the locking bolt 8 is rotated to disassemble the locking ring 7, the external winding displacement pipeline is sleeved on the left side of the wiring pipe 6, then the locking ring 7 is installed at the connecting position of the external winding displacement pipeline in the annular wire groove of the locking ring 7, the locking bolt 8 is locked, the external winding displacement pipeline is tightly fixed on the wiring pipe 6 through the locking ring 7, so that the external winding displacement pipeline and the wiring pipe 6 are tight, if the connected equipment is required to be disconnected with an explosion-proof socket in the process of using the explosion-proof control bolt, only the key switch 4 needs to be pressed, the key switch 4 controls the power-off controller 11 to disconnect the cable 10, the indicator lamp 3 is extinguished along with the key switch 4, and when the connection is required again, the key switch 4 only needs to be pressed again, the key switch 4 controls the power-off controller 11 to connect, the indicator lamp 3 is then lit.
According to the illustration in fig. 2-4, when the explosion-proof control pin is inserted into the explosion-proof socket, the position of the sparkless pin 15 is positioned through the positioning notch 16, the auxiliary pin 18 is slowly inserted, the explosion-proof electrode 17 and the grounding electrode 20 are inserted into the explosion-proof socket along with the auxiliary pin 18, then the locking shell 1 is rotated to tightly connect the explosion-proof control pin with the explosion-proof socket, so that the explosion-proof control pin is prevented from being inserted and falling off, and the spring 12 tightly fits the sparkless pin 15 into the explosion-proof socket inside the explosion-proof control pin.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. An explosion-proof control bolt with open control structure, includes control shell (5), wire barrel (6) and no spark type bolt (15), its characterized in that: the right side of the control shell (5) is connected with a locking shell (1), an internal thread (14) is arranged inside the right side of the locking shell (1), a key switch (4) is fixedly mounted at the upper end of the control shell (5), a control wire (9) is fixedly connected at the lower end of the key switch (4), a power-off controller (11) is fixedly connected at the lower end of the control wire (9), an indicator lamp (3) is fixedly mounted at the upper end of the control shell (5), a control wire (9) is fixedly connected at the lower end of the indicator lamp (3), a cable (10) is fixedly connected at the right side of the control wire (9), a limiting ring (2) is mounted on the outer wall of the right side of the control shell (5), a cable (10) is fixedly connected inside the control shell (5), a limiting column (13) is fixedly connected at the right end of the control shell (5), a spring (12) is, a control shell (5) is fixedly arranged at the right end of the wiring pipe (6), a locking ring (7) is fixedly connected at the left side of the wiring pipe (6), a locking bolt (8) is fixedly arranged in the middle of the locking ring (7), a cable (10) is fixedly connected inside the wiring tube (6), a positioning notch (16) is arranged on the right side of the sparkless bolt (15), the center of the left side of the sparkless bolt (15) is fixedly connected with a cable (10), the left side of the sparkless bolt (15) is fixedly connected with the outer wall of the fixed cylinder by a limit column (13), a locking pin (19) is fixedly arranged at the center inside the sparkless bolt (15), an explosion-proof electrode (17) is fixedly arranged in the sparkless bolt (15), the inside of the sparkless bolt (15) is fixedly connected with a grounding electrode (20), and an auxiliary bolt (18) is fixedly arranged in the sparkless bolt (15).
2. An explosion-proof control latch with an opening control structure as defined in claim 1, wherein: the power-off control device is characterized in that a power-off controller (11) is arranged in the center of the interior of the control shell (5), the power-off controller (11) is connected with the indicator lamp (3) and the key switch (4) through a control wire (9), and cables (10) are symmetrically connected to the left side and the right side of the power-off controller (11).
3. An explosion-proof control latch with an opening control structure as defined in claim 1, wherein: the left side of the wiring pipe (6) is provided with an annular groove, the locking ring (7) forms a detachable structure with the annular groove through a locking bolt (8), and the minimum diameter of the locking ring (7) is equal to the diameter of the annular groove.
4. An explosion-proof control latch with an opening control structure as defined in claim 1, wherein: the internal thread (14) forms a rotating structure with the control shell (5) through the locking shell (1), and the limiting ring (2) is located between the indicator lamp (3) and the locking shell (1).
5. An explosion-proof control latch with an opening control structure as defined in claim 1, wherein: the sparkless bolt (15) and the control shell (5) form a sliding structure through the spring (12), the diameter of the cable (10) is smaller than the inner diameter of the spring (12), and the diameter of the left side of the sparkless bolt (15) is larger than the inner diameter of the right side of the limiting column (13).
6. An explosion-proof control latch with an opening control structure as defined in claim 1, wherein: the inside of the sparkless bolt (15) is provided with 4 auxiliary bolts (18) at equal angles, and the inside of the sparkless bolt (15) is provided with 3 explosion-proof electrodes (17) and a grounding electrode (20) at equal angles.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022832899.7U CN213278587U (en) | 2020-12-01 | 2020-12-01 | Explosion-proof control bolt with opening control structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022832899.7U CN213278587U (en) | 2020-12-01 | 2020-12-01 | Explosion-proof control bolt with opening control structure |
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CN213278587U true CN213278587U (en) | 2021-05-25 |
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CN202022832899.7U Active CN213278587U (en) | 2020-12-01 | 2020-12-01 | Explosion-proof control bolt with opening control structure |
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CN (1) | CN213278587U (en) |
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2020
- 2020-12-01 CN CN202022832899.7U patent/CN213278587U/en active Active
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