CN113311205B - Anti-electricity-theft alarm device convenient to install and detach - Google Patents
Anti-electricity-theft alarm device convenient to install and detach Download PDFInfo
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- CN113311205B CN113311205B CN202110406216.8A CN202110406216A CN113311205B CN 113311205 B CN113311205 B CN 113311205B CN 202110406216 A CN202110406216 A CN 202110406216A CN 113311205 B CN113311205 B CN 113311205B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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Abstract
The invention discloses an anti-electricity-theft alarm device convenient to mount and dismount, relates to the technical field of anti-electricity-theft devices, and solves the problem that the anti-electricity-theft alarm device does not have dual monitoring functions of current monitoring and pressure detection. An anti-electricity-theft alarm device convenient to install and detach comprises a mounting seat; the magnetic frame is fixedly arranged on the rear side of the mounting seat through a hidden screw, round holes are formed in the middle of the mounting seat and the magnetic frame, and a hexagonal frame is fixedly arranged at the front end of the round hole of the mounting seat; this anti-electricity-theft alarm device can install inside various ammeter casees, judges through the vibration of components and parts such as impression table incasement part wire, change such as displacement and steal the electricity and take place, and the device simple structure can not change table case structure and realize easy to assemble, is applicable to the anti-electricity-theft transformation of existing traditional ammeter case, has solved the not enough of various novel anti-electricity-theft ammeter casees, has improved the anti-electricity-theft management efficiency of electricity consumption inspection personnel, effectively reduces the economic loss that the electricity is stolen to the dismantlement ammeter case and causes.
Description
Technical Field
The invention relates to the technical field of anti-electricity-theft devices, in particular to an anti-electricity-theft alarm device convenient to mount and dismount.
Background
The quantity of electric power equipment is geometrically increased, so that greater challenges are brought to electricity larceny prevention management of power supply enterprises, the traditional ammeter box only has certain physical isolation effects such as dust prevention, rain shielding and the like on the ammeter, the occurrence of electricity larceny phenomenon is difficult to effectively prevent, the novel ammeter box has the defects of complex structure, higher cost and the like, and is difficult to popularize in a large area, and particularly, no effective method is available for electricity larceny prevention improvement of the traditional ammeter box, and electricity consumption inspectors are urgent to need an electricity larceny prevention improvement solution for the traditional ammeter box, so that the electricity larceny problem of the traditional ammeter box is fundamentally solved.
Through retrieving for example the patent number CN 108089040B's patent discloses an anti-electricity-theft device with alarming function, including the ammeter and be used for covering the ammeter lid of ammeter, be equipped with first sleeve in the ammeter, first sleeve top is equipped with the button, is equipped with the spring in the first sleeve, spring one end links to each other with the bottom in the first sleeve, and the spring other end links to each other with the button, is equipped with the conducting strip on the spring, and first sleeve inner wall is equipped with the electrical contact that can contact with the conducting strip, is equipped with alarm device outward, and the electrical contact links to each other with alarm device, is equipped with a plurality of micro-motors on the conducting strip, and micro-motor is connected with the conducting strip electricity, and the top in the first sleeve is equipped with a plurality of second sleeves, and micro-motor's output and second sleeve threaded connection, alarm device is connected with alarm device signal, is equipped with the protrusion that can compress tightly the button in the ammeter lid, and this device's anti-theft measure is comparatively concealed to can also report to the police in real time after uncapping automatically.
However, the alarm device used at present mainly carries out electric power connection through the outer surface of the pressure sensor contact wire, the installation mode of the sensor is simple elastic self-locking, the stability is poor, false alarm is possibly caused by falling off, meanwhile, the detection mode is single, the alarm device does not have the dual monitoring functions of current monitoring and pressure detection, and the anti-electricity-theft effect is insufficient, so that the existing requirements are not met, and the anti-electricity-theft alarm device convenient to install and disassemble is provided for the user.
Disclosure of Invention
First technical problem
The invention aims to provide an electricity larceny prevention alarm device convenient to install and disassemble, which is used for solving the problems that the currently used alarm device is mainly used for carrying out power connection by contacting the outer surface of an electric wire through a pressure sensor, the installation mode of the sensor is simple and elastic self-locking, the stability is poor, false alarm is possibly caused by falling off, the detection mode is single, the double monitoring functions of current monitoring and pressure detection are not provided, and the electricity larceny prevention effect is insufficient.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: an anti-electricity-theft alarm device convenient to install and detach comprises a mounting seat;
the magnetic frame is fixedly arranged on the rear side of the mounting seat through a hidden screw, round holes are formed in the middle of the mounting seat and the magnetic frame, and a hexagonal frame is fixedly arranged at the front end of the round hole of the mounting seat;
the number of the guide seats is two, the two groups of guide seats are fixedly arranged at two ends of the front side of the mounting seat, an ammeter is fixedly arranged in the middle of the bottoms of the two groups of guide seats, and a transmitter and a buzzer are arranged at two sides of the ammeter;
the number of the guide frames is two, the two groups of guide frames are fixedly arranged in the middle of the guide seat, a pressure sensor is fixedly arranged in the middle of the rear side of the guide frame, and the pressure sensor is located inside the combination position of the guide frame and the guide seat.
Preferably, the guide frame further comprises:
the number of the H-shaped frames is two, the H-shaped frames are arranged in the guide frames in a sliding manner, a rebound barrel is fixedly arranged in the middle of the front end of the H-shaped frames, the main body of the rebound barrel is of a T-shaped structure, and the rebound barrel is in sliding connection with the guide frames; the spring is sleeved outside the rear end of the rebound barrel, a screw hole is formed in the middle of the H-shaped frame, and a jackscrew is arranged in the screw hole.
Preferably, the guide frame further comprises:
the back side of the clamping piece is fixedly provided with four groups of spring rods A, and the spring rods A are sleeved with springs and pass through the H-shaped frame to be in sliding connection with the H-shaped frame.
Preferably, a middle piece is fixedly arranged in the middle of the front side of the guide frame; the guide frame also comprises:
and the contact pile is fixedly arranged in the middle of the rear side of the H-shaped frame and penetrates through the guide seat to be in contact with the pressure sensor.
Preferably, the guide frame further comprises:
the wiring lugs are arranged at the bottom of the clamping piece, the number of the wiring lugs is two groups, the two groups of wiring lugs are symmetrical, and the wiring lugs are all provided with lines to pass through and be connected with the transmitter.
Preferably, the middle sheet further comprises:
the clamping seat is fixedly arranged at the bottom of the middle piece, and the front end of the middle piece is provided with a locking structure;
the top of the reset groove is of a non-communicated structure, and a guide round hole penetrates through the middle piece; the front side of the middle piece is provided with a protective shell.
Preferably, the protective housing main part is L shape structure, and the protective housing is still including:
the spring rod B is fixedly arranged at the bottom of the rear side of the protective shell, penetrates through a guide round hole at the top end of the reset groove, is sleeved with a spring and is fixedly provided with a baffle plate; the front side top of protective housing is fixed to be provided with the hasp structure.
Preferably, a round platform structure extending backwards is integrally arranged in the middle of the middle piece, two groups of tapered roller bearings are fixedly arranged in the middle of the round platform structure through interference fit, a threaded cylinder is fixedly arranged in the middle of the tapered roller bearings through interference fit, and a clamp spring groove is formed in the outer side of the threaded cylinder and fixedly connected with the tapered roller bearings through clamp springs; an inner hexagonal groove is formed in the middle of the front end of the threaded cylinder.
Preferably, the hexagonal frame further comprises:
the guide cylinder is fixedly arranged in the middle of the hexagonal frame, and the sucker is fixedly arranged at the rear end of the guide cylinder;
the piston disc is arranged in the guide cylinder in a sliding manner, and a T-shaped push block is fixedly arranged in the middle of the rear side of the guide cylinder.
Preferably, the hexagonal frame further comprises:
the hexagonal cylinder is fixedly arranged in the middle of the front side of the piston disc, the outer part of the hexagonal cylinder is in sliding connection with the front end of the guide cylinder, and the inner part of the hexagonal cylinder is in sliding connection with the outer part of the threaded cylinder;
the threaded rod is fixedly arranged in the middle of the front side of the piston disc, and the piston disc is in threaded connection with the threaded cylinder.
(III) beneficial effects
The invention provides an anti-electricity-theft alarm device convenient to mount and dismount, which provides a double mounting and fixing function for the alarm device by arranging a magnetic frame and a sucker, wherein a threaded cylinder is in threaded connection with a threaded rod to retract, a piston disc is moved forwards, negative pressure is generated in the sucker, the alarm device is further reinforced by the sucker, otherwise, when the alarm device needs to be dismounted, a T-shaped push block is moved backwards by reversing the threaded rod, so that the alarm device can be reversely pushed and dismounted, and the anti-electricity-theft alarm device is convenient to control and convenient to use.
This anti-electricity-theft alarm device can install inside various ammeter casees, judges through the vibration of components and parts such as impression table incasement part wire, change such as displacement and steal the electricity and take place, and the device simple structure can not change table case structure and realize easy to assemble, is applicable to the anti-electricity-theft transformation of existing traditional ammeter case, has solved the not enough of various novel anti-electricity-theft ammeter casees, has improved the anti-electricity-theft management efficiency of electricity consumption inspection personnel, effectively reduces the economic loss that the electricity is stolen to the dismantlement ammeter case and causes.
The live wire zero line respectively passes through the H-shaped frame, meanwhile, a line in the H-shaped frame is led outwards, the rotary jackscrew pushes the clamping piece backwards to fix the line, and meanwhile, the live wire and the zero line are connected with the ammeter through the wiring lug, so that the monitoring of the current is realized, the current can be changed when the electricity stealing phenomenon occurs, the transmitter and the buzzer are utilized to carry out remote alarm and on-site alarm, and the dual monitoring functions of current monitoring and pressure detection are provided for the alarm device.
Drawings
FIG. 1 is a schematic diagram of an axial structure in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a side-to-bottom structure in an embodiment of the invention;
FIG. 3 is a schematic view of a partial cross-sectional structure in an embodiment of the invention;
fig. 4 is a schematic diagram of an internal structure of a guide holder according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the internal structure of the middle sheet according to the embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a guide frame according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a partial enlarged structure of FIG. 3 according to an embodiment of the present invention;
FIG. 8 is a schematic view of a partial enlarged structure B in FIG. 3 according to an embodiment of the present invention;
in fig. 1 to 8, the correspondence between the component names or lines and the drawing numbers is:
1. a mounting base; 2. a magnetic frame; 3. a guide seat; 4. a guide frame; 401. an H-shaped frame; 402. a rebound barrel; 403. a clamping piece; 404. a spring rod A; 405. a contact pile; 406. a jackscrew; 407. a wire connection piece; 408. a pressure sensor; 5. a middle sheet; 501. a clamping seat; 502. a reset groove; 6. a protective shell; 601. a spring rod B; 7. a thread cylinder; 8. a hexagonal frame; 801. a guide cylinder; 802. a suction cup; 803. a piston disc; 804. t-shaped pushing blocks; 805. a hexagonal cylinder; 806. a threaded rod; 9. an ammeter; 10. a transmitter; 11. a buzzer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The pressure sensor 408 (model SCLB 50) referred to in this invention is available through private customization or market purchase.
Referring to fig. 1 to 8, an embodiment of the present invention provides: an anti-electricity-theft alarm device convenient to install and detach comprises a mounting seat 1; the magnetic frame 2 is fixedly arranged at the rear side of the mounting seat 1 through hidden screws, round holes are formed in the middle of the mounting seat 1 and the middle of the magnetic frame 2, and a hexagonal frame 8 is fixedly arranged at the front end of the round hole of the mounting seat 1; the number of the guide seats 3 is two, the two groups of the guide seats 3 are fixedly arranged at two ends of the front side of the mounting seat 1, an ammeter 9 is fixedly arranged in the middle of the bottoms of the two groups of the guide seats 3, and a transmitter 10 and a buzzer 11 are arranged at two sides of the ammeter 9; the number of the guide frames 4 is two, the two groups of guide frames 4 are fixedly arranged in the middle of the guide seat 3, a pressure sensor 408 is fixedly arranged in the middle of the rear side of the guide frame 4, and the pressure sensor 408 is positioned in the combination position of the guide frame 4 and the guide seat 3; the guide frame 4 further comprises: the number of the H-shaped frames 401 is two, the H-shaped frames 401 are slidably arranged in the guide frame 4, a rebound barrel 402 is fixedly arranged in the middle of the front end of the H-shaped frames 401, the main body of the rebound barrel 402 is of a T-shaped structure, and the rebound barrel 402 is slidably connected with the guide frame 4; the spring is sleeved outside the rear end of the rebound barrel 402, a screw hole is formed in the middle of the H-shaped frame 401, and a jackscrew 406 is arranged in the screw hole; the guide frame 4 further comprises: the clamping piece 403, the back side of the clamping piece 403 is fixedly provided with four groups of spring rods A404, and the spring rods A404 are sleeved with springs and pass through the H-shaped frame 401 to be connected with the H-shaped frame 401 in a sliding manner; a middle piece 5 is fixedly arranged in the middle of the front side of the guide frame 4; the guide frame 4 further comprises: the contact pile 405 is fixedly arranged in the middle of the rear side of the H-shaped frame 401, and the contact pile 405 passes through the guide seat 3 to be in contact with the pressure sensor 408; the guide frame 4 further comprises: the wire lugs 407, the wire lugs 407 are arranged at the bottom of the clamping piece 403, the number of the wire lugs 407 is two groups, the two groups of wire lugs 407 are symmetrical, and the wire lugs 407 are all provided with lines which pass through and are connected with the transmitter 10; the intermediate sheet 5 further comprises: the clamping seat 501 is fixedly arranged at the bottom of the middle piece 5, and the front end of the middle piece 5 is provided with a locking structure; the reset groove 502 is formed in two ends of the front side of the middle piece 5, the top of the reset groove 502 is of a non-communicated structure, and a guide round hole penetrates through the middle piece 5 at the top of the reset groove 502; a protective shell 6 is arranged on the front side of the middle piece 5; protective housing 6 main part is L shape structure, and protective housing 6 still includes: the spring rod B601 is fixedly arranged at the bottom of the rear side of the protective shell 6, and the spring rod B601 penetrates through a guide round hole at the top end of the reset groove 502 to be sleeved with a spring and fixedly provided with a baffle plate; the locking structure is fixedly arranged at the top of the front side of the protective shell 6; the middle of the middle piece 5 is integrally provided with a round platform structure which extends backwards, two groups of tapered roller bearings are fixedly arranged in the middle of the round platform structure through interference fit, a thread cylinder 7 is fixedly arranged in the middle of the tapered roller bearings through interference fit, and a clamp spring groove is formed in the outer side of the thread cylinder 7 and fixedly connected with the tapered roller bearings through clamp springs; an inner hexagonal groove is formed in the middle of the front end of the threaded cylinder 7.
Wherein, hexagonal frame 8 still includes: the guide cylinder 801, the guide cylinder 801 is fixedly arranged in the middle of the hexagonal frame 8, and the sucker 802 is fixedly arranged at the rear end of the guide cylinder 801; the piston plate 803, the piston plate 803 slides and sets up in the guide cylinder 801, and the rear side centre of guide cylinder 801 is fixed and is provided with T shape ejector pad 804.
Wherein, hexagonal frame 8 still includes: the hexagonal cylinder 805, the hexagonal cylinder 805 is fixedly arranged in the middle of the front side of the piston disc 803, the outer part of the hexagonal cylinder 805 is in sliding connection with the front end of the guide cylinder 801, and the inner part of the hexagonal cylinder 805 is in sliding connection with the outer part of the threaded cylinder 7; a threaded rod 806, the threaded rod 806 being fixedly provided in the middle of the front side of the piston disc 803, and the piston disc 803 being screwed with the screw cylinder 7.
Working principle: during the use, install alarm device in the inside of ammeter case, carry out magnetism through magnetic frame 2 and adsorb fixedly, then mention protective housing 6 and utilize allen wrench to rotate screw thread section of thick bamboo 7, screw thread section of thick bamboo 7 and threaded rod 806 retract through threaded connection, with piston disc 803 forward movement, at the inside negative pressure that produces of sucking disc 802, utilize sucking disc 802 to consolidate alarm device further, otherwise when need demolish, reverse threaded rod 806 will T shape ejector pad 804 backward movement can be with alarm device thrust demolishment, after the operation of accomplishing threaded rod 806, loosen protective housing 6 and lock threaded rod 806.
The live wire and the zero wire respectively penetrate through the H-shaped frame 401, meanwhile, the line in the H-shaped frame 401 is led outwards, the clamping piece 403 is pushed backwards by the rotary jackscrew 406 to fix the line, meanwhile, the live wire and the zero wire are connected with the ammeter 9 through the wiring lug 407, the current is monitored, the current can be changed when the electricity stealing phenomenon occurs, and the remote alarm and the on-site alarm can be carried out by utilizing the transmitter 10 and the buzzer 11.
After the live wire and the zero line are installed, the rebound cylinder 402 is matched with a spring to jack the contact pile 405 backwards, so that the contact pile 405 contacts the pressure sensor 408, then the numerical value of the pressure sensor 408 is locked, the position of the H-shaped frame 401 is changed when the live wire and the zero line are pulled, the pressure detected by the pressure sensor 408 is changed, and the transmitter 10 and the buzzer 11 are triggered; when the jackscrew 406 is directly released, the stress of the H-shaped frame 401 and the contact pile 405 is changed, and the transmitter 10 and the buzzer 11 are triggered.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. An anti-electricity-theft alarm device convenient to install and detach, comprising:
a mounting base (1);
the magnetic frame (2) is fixedly arranged on the rear side of the mounting seat (1) through a hidden screw, round holes are formed in the middle of the mounting seat (1) and the middle of the magnetic frame (2), and a hexagonal frame (8) is fixedly arranged at the front end of the round hole of the mounting seat (1);
the number of the guide seats (3) is two, the two groups of the guide seats (3) are fixedly arranged at two ends of the front side of the mounting seat (1), an ammeter (9) is fixedly arranged in the middle of the bottoms of the two groups of the guide seats (3), and a transmitter (10) and a buzzer (11) are arranged at two sides of the ammeter (9);
the guide frames (4) are arranged in two groups, the two groups of guide frames (4) are fixedly arranged in the middle of the guide seat (3), a pressure sensor (408) is fixedly arranged in the middle of the rear side of the guide frame (4), and the pressure sensor (408) is positioned in the combination position of the guide frames (4) and the guide seat (3); the guide frame (4) also comprises:
the device comprises H-shaped frames (401), wherein the number of the H-shaped frames (401) is two, the H-shaped frames (401) are slidably arranged in a guide frame (4), a rebound barrel (402) is fixedly arranged in the middle of the front end of the H-shaped frames (401), the main body of the rebound barrel (402) is of a T-shaped structure, and the rebound barrel (402) is slidably connected with the guide frame (4); the outer part of the rear end of the rebound barrel (402) is sleeved with a spring, the middle of the H-shaped frame (401) is provided with a screw hole, and a jackscrew (406) is arranged in the screw hole;
the clamping piece (403), the back side of the clamping piece (403) is fixedly provided with four groups of spring rods A (404), and the spring rods A (404) are sleeved with springs and pass through the H-shaped frame (401) to be connected with the H-shaped frame (401) in a sliding way;
the contact pile (405) is fixedly arranged in the middle of the rear side of the H-shaped frame (401), and the contact pile (405) passes through the guide seat (3) to be in contact with the pressure sensor (408);
the wire lugs (407), the wire lugs (407) are arranged at the bottom of the clamping piece (403), the number of the wire lugs (407) is two groups, the two groups of wire lugs (407) are symmetrical, and the wire lugs (407) are all provided with wires which pass through and are connected with the transmitter (10);
the live wire and the zero line respectively pass through the H-shaped frame (401), meanwhile, the line in the H-shaped frame (401) is led outwards, the clamping piece (403) is pushed by the rotary jackscrew (406) backwards to fix the line, meanwhile, the live wire and the zero line are connected with the ammeter (9) through the wiring lug (407), the monitoring of the current is realized, the current can be changed when the electricity stealing phenomenon occurs, and the remote alarm and the on-site alarm can be carried out by utilizing the transmitter (10) and the buzzer (11);
after the live wire and the zero line are installed, the rebound cylinder (402) is matched with a spring to jack the contact pile (405) backwards, so that the contact pile (405) contacts the pressure sensor (408), then the numerical value of the pressure sensor (408) is locked, the position of the H-shaped frame (401) is changed when the live wire and the zero line are pulled, the detection pressure of the pressure sensor (408) is changed, and the transmitter (10) and the buzzer (11) are triggered;
the hexagonal frame (8) also comprises:
the guide cylinder (801), the guide cylinder (801) is fixedly arranged in the middle of the hexagonal frame (8), and a sucker (802) is fixedly arranged at the rear end of the guide cylinder (801);
the piston disc (803) is arranged in the guide cylinder (801) in a sliding manner, and a T-shaped pushing block (804) is fixedly arranged in the middle of the rear side of the guide cylinder (801);
the hexagonal cylinder (805) is fixedly arranged in the middle of the front side of the piston disc (803), the outer part of the hexagonal cylinder (805) is in sliding connection with the front end of the guide cylinder (801), and the inner part of the hexagonal cylinder (805) is in sliding connection with the outer part of the threaded cylinder (7);
the threaded rod (806), the threaded rod (806) is fixed to be set up in the middle of the front side of piston disc (803), and piston disc (803) and screw tube (7) threaded connection.
2. The electricity larceny prevention alarm device convenient to install and disassemble according to claim 1, wherein a middle sheet (5) is fixedly arranged in the middle of the front side of the guide frame (4); the middle sheet (5) further comprises:
the clamping seat (501), the clamping seat (501) is fixedly arranged at the bottom of the middle piece (5), and the front end of the middle piece (5) is provided with a locking structure;
the reset groove (502) is formed in two ends of the front side of the middle piece (5), the top of the reset groove (502) is of a non-communicated structure, and a guide round hole penetrates through the middle piece (5) at the top of the reset groove (502); a protective shell (6) is arranged at the front side of the middle piece (5).
3. An anti-electricity-theft alarm device convenient to install and detach according to claim 2, characterized in that the protective housing (6) body is of L-shaped structure, and the protective housing (6) further comprises:
the spring rod B (601) is fixedly arranged at the bottom of the rear side of the protective shell (6), and the spring rod B (601) penetrates through a guide round hole at the top end of the reset groove (502) to be sleeved with a spring and fixedly provided with a baffle plate; the front side top of protective housing (6) is fixed and is provided with the hasp structure.
4. The electricity larceny prevention alarm device convenient to install and disassemble according to claim 2, wherein a round platform structure which extends backwards is integrally arranged in the middle of the middle piece (5), two groups of tapered roller bearings are fixedly arranged in the middle of the round platform structure through interference fit, a threaded cylinder (7) is fixedly arranged in the middle of the tapered roller bearings through interference fit, and a snap spring groove is formed in the outer side of the threaded cylinder (7) and fixedly connected with the tapered roller bearings through a snap spring; an inner hexagonal groove is formed in the middle of the front end of the threaded cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406216.8A CN113311205B (en) | 2021-04-15 | 2021-04-15 | Anti-electricity-theft alarm device convenient to install and detach |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406216.8A CN113311205B (en) | 2021-04-15 | 2021-04-15 | Anti-electricity-theft alarm device convenient to install and detach |
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| Publication Number | Publication Date |
|---|---|
| CN113311205A CN113311205A (en) | 2021-08-27 |
| CN113311205B true CN113311205B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110406216.8A Active CN113311205B (en) | 2021-04-15 | 2021-04-15 | Anti-electricity-theft alarm device convenient to install and detach |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116893289B (en) * | 2023-09-11 | 2023-12-05 | 北京煜邦电力技术股份有限公司 | Electricity larceny prevention power acquisition terminal |
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