CN213212389U - Thread electricity taking device - Google Patents
Thread electricity taking device Download PDFInfo
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- CN213212389U CN213212389U CN202022504508.9U CN202022504508U CN213212389U CN 213212389 U CN213212389 U CN 213212389U CN 202022504508 U CN202022504508 U CN 202022504508U CN 213212389 U CN213212389 U CN 213212389U
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- electricity
- metal nut
- shell
- taking
- thread
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- 230000005611 electricity Effects 0.000 title claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 81
- 239000000523 sample Substances 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a thread electricity taking device, which comprises an electricity taking metal nut (2), wherein the electricity taking metal nut (2) is arranged in a shell (1), and a limiting cover (4) is formed by extending the shell (1) outwards at the front end face of the electricity taking metal nut (2); the utility model discloses a lateral shifting at electrified position is reduced or avoided to spacing cover, realizes getting the accurate correspondence of electric metal nut and the screw thread at electrified position, realizes that the screw thread at electrified position connects on getting electric metal nut high-efficiently, connects conveniently, high-efficiently.
Description
Technical Field
The utility model relates to a screw thread electricity-taking device realizes getting the electricity and supplying power on the electric wire netting equipment on the basis that does not change current circuit.
Background
A large amount of distribution rooms, box transformer substations, JP cabinets, low-voltage branch boxes and other equipment need to acquire voltage and current signals by adding monitoring equipment. The conventional voltage taking mode is to cut off power to equipment, and then the equipment is connected with live parts of the equipment by using a lead, the connection mode is various, and a U-shaped terminal, an O-shaped terminal or a direct lead is wound between a nut and a gasket, and a thread power taking mode is adopted.
The thread electricity taking is mainly characterized in that an electricity taking device is fixed at the joint of a busbar connecting bolt or an inlet and outlet cable bolt, for example, the electricity taking device disclosed in patent document with an authorization publication number of CN208256938U, the electricity taking device comprises an electricity taking part and an insulating shell, the electricity taking part comprises a metal nut, a magnet and a wiring terminal, the wiring terminal is provided with a lead taking-out button, and the wiring terminal is electrically connected with the metal nut; the insulating shell is provided with a wire connection hole; the electricity taking part is connected with the electrified part through the threaded connection of the metal nut, the adsorption force of the magnet and the electrified part, so that the wiring terminal is communicated with the electrified part, one end of the wire is inserted into the wire connecting hole and is communicated with the wiring terminal, and the other end of the wire is communicated with the electric equipment, so that the electricity taking and supplying work of the electric equipment can be completed. In the actual electricity-taking operation process, the metal nut is connected with the thread of the charged part, and the metal nut cannot be accurately corresponding to the thread of the charged part (radial deviation), so that the metal nut and the thread of the charged part cannot be efficiently connected, the connection time is long, and the efficiency is low. Even the cooperation magnet uses, because magnet can only adsorb in the axial, can't play effectual management and control to radial skew, the screw thread of metal nut and electrified position still can't accurately correspond.
In addition, if the connection of the busbar connecting bolt or the cable bolt connection part of the incoming and outgoing line is loosened, the contact resistance is increased, and the distribution box and the cable are easily heated and even burnt.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a screw thread electricity taking device is provided, makes things convenient for metal nut and the screw thread at electrified position to be connected high-efficiently.
In order to solve the technical problem, the utility model discloses electric installation is got to screw thread, including getting electric metal nut, get electric metal nut and install in the shell, in the preceding terminal surface department of getting electric metal nut, the shell outwards extends and is formed with spacing cover.
Because the shell extends outwards to form the limiting cover, the electrified part is limited in the limiting cover, the transverse movement of the electrified part is reduced or avoided, the electricity-taking metal nut accurately corresponds to the thread of the electrified part, and the thread of the electrified part is efficiently connected to the electricity-taking metal nut.
In order to enable the connection of the electricity taking device to be more convenient and reliable, a magnetic ring is sleeved outside the electricity taking metal nut between the electricity taking metal nut and the shell, and the magnetic ring can realize the adsorption of an electrified part to enable the electrified part to be connected with the electricity taking metal nut.
The inner side of the shell is provided with a plurality of limiting lugs, the magnetic ring is provided with limiting grooves, the limiting lugs correspond to the limiting grooves, and the limiting lugs and the limiting grooves limit the magnetic ring to move in the shell. The shell is provided with a limiting lug, and the magnetic ring is provided with a limiting groove matched with the limiting lug to prevent the magnetic ring from falling off from the limiting cover part.
When the charged part has no thread for connection, the connection can be realized only by the adsorption force of the magnetic ring. The electrified part is limited in the limiting cover, so that the transverse movement of the electrified part is reduced or avoided, the falling-off after the transverse movement is avoided, and the more reliable connection is realized. Meanwhile, the guiding function of connecting the electricity-taking metal nut and the electrified part can be achieved.
In order to realize temperature measurement, a temperature measurement probe is arranged in the shell and is installed in the shell. The temperature measuring probe is externally provided with a partition wall which separates the temperature measuring probe from other parts (such as electrified parts) in the shell. The temperature measuring probe is connected with the quick connector through a temperature measuring connecting wire, and the quick connector is installed in the shell. Specifically, the temperature measuring probe is a thermocouple, a thermistor, an RTD or an IC temperature sensor.
Install binding post in the shell, binding post one end is passed through the conducting strip and is connected with getting the electricity metal nut electricity, the binding post other end is connected with external conductor, and external conductor extends outside the shell, gets electricity metal nut and gets the electricity after and supply power to the shell outward through conducting strip, binding post, external conductor. Specifically, the wiring terminal is provided with a contact elastic sheet and a fixing sheet, the external lead is connected between the contact elastic sheet and the fixing sheet, and the external lead is fixed on the fixing sheet by means of the elasticity of the contact elastic sheet.
In order to facilitate the detachment of the external lead and the wiring terminal, a button is mounted on the shell, and when the button is pressed, the button presses the contact elastic sheet to separate the contact elastic sheet from the fixing sheet.
The aperture of the front end of the electricity-taking metal nut is larger than that of the rear end, or the tail of the electricity-taking metal nut is closed. The aperture of the tail part (rear end) of the power-taking metal nut is smaller than that of the front end, or the tail part of the power-taking metal nut is subjected to sealing treatment, namely the power-taking metal nut is not straight through. The two schemes enable the screw connected with the electricity-taking metal nut not to directly penetrate through the whole electricity-taking metal nut, and when the bolt at the joint is too long, the bolt is prevented from being jacked to other parts at the rear end of the electricity-taking metal nut and damaging other parts.
In order to limit the rotation of the electricity-taking metal nut, the shape of the electricity-taking metal nut is provided with a non-circular section, and the inner side of the shell corresponds to the shape of the electricity-taking metal nut at the installation position of the non-circular section of the electricity-taking metal nut. The existence of the non-circular section enables the electricity-taking metal nut to be incapable of rotating, and the phenomenon that the electricity-taking metal nut cannot be screwed tightly is avoided.
The utility model discloses a lateral shifting at electrified position is reduced or avoided to spacing cover, realizes getting the accurate correspondence of electric metal nut and the screw thread at electrified position, realizes that the screw thread at electrified position connects on getting electric metal nut high-efficiently, connects conveniently, high-efficiently. The temperature measuring probe is added on the thread electricity taking device, so that the construction is greatly simplified and the cost is greatly reduced while the temperature detection is realized.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is an explosion diagram of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is an internal schematic view of the present invention.
Fig. 4 is a schematic sectional view of the power-taking metal nut of the present invention.
Fig. 5 is the schematic view of the electricity-getting metal nut of the present invention.
Fig. 6 is a schematic view of the connection between the electricity-getting metal nut and the connection terminal.
FIG. 7 is an enlarged view of the mounting portion of the temperature measuring probe.
Description of reference numerals: 1. the temperature measuring device comprises a shell, 2, a power taking metal nut, 3, a magnetic ring, 4, a limiting cover, 5, a wiring terminal, 6, a contact elastic sheet, 7, a temperature measuring probe, 8, a temperature measuring connecting wire, 9, a button, 10, a fixing sheet, 11, a quick connector, 12, a limiting groove, 13, a limiting lug, 14, a flat position, 15, a conducting sheet, 16, an external lead, 17 and an isolation wall.
Detailed Description
The objects, features and advantages of the present invention will be realized and attained by the means of the instrumentalities and methods particularly pointed out in the appended claims. It should be noted that, in the embodiment of the present invention, all directional indicators are as follows: the terms "front", "rear", "inside" and "outside" are used only to explain the relative positional relationship, movement, and the like between the respective members in a certain posture (as shown in the drawings), and if the certain posture is changed, the directional indication is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; "coupled" may be mechanical or electrical, and may be directly coupled or indirectly coupled through intervening elements, and may be internal to or interactive with respect to the two elements. Unless otherwise specifically limited, the specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1-3, the thread electricity-taking device comprises an electricity-taking metal nut 2, wherein the electricity-taking metal nut 2 is installed in a shell 1, and as shown in fig. 1 and 2, the shell 1 is composed of two parts.
At the front end face of the electricity-taking metal nut 2, the shell 1 extends outwards to form a limiting cover 4 (in a ring shape). Because the shell 1 extends outwards to form the limit cover 4, the electrified part is limited in the limit cover, and the transverse movement of the electrified part is reduced or avoided, so that the electricity-taking metal nut 2 accurately corresponds to the thread of the electrified part, and the thread of the electrified part (bolt) is efficiently connected to the electricity-taking metal nut 2.
In order to enable the connection of the electricity taking device to be more convenient and reliable, a magnetic ring 3 is sleeved outside the electricity taking metal nut 2 between the electricity taking metal nut 2 and the shell 1. The magnetic ring 3 can realize the adsorption of the charged part, so that the charged part is connected with the electricity-taking metal nut 2. When the charged part has no thread for connection, the connection can be realized only by the adsorption force of the magnetic ring. The electrified part is limited in the limiting cover, so that the transverse movement of the electrified part is reduced or avoided, the falling-off after the transverse movement is avoided, and the more reliable connection is realized. Meanwhile, the guiding function of connecting the electricity-taking metal nut and the electrified part can be achieved.
Furthermore, the inner side of the shell 1 is provided with a plurality of limiting lugs 13, the magnetic ring 3 is provided with limiting grooves 12, the limiting lugs 13 correspond to the limiting grooves 12, and after the limiting lugs 13 and the limiting grooves 12 are meshed with each other, the magnetic ring 3 is limited to move (such as axial movement) on the inner side of the shell 1, so that the magnetic ring 3 is prevented from falling off from the position of the limiting cover 4. The advantage that so set up lies in: the outer diameter of the whole shell 1 can be reduced, because if the inner diameter of the limit cover 4 is unchanged, the outer diameter of the shell 1 is enlarged, and meanwhile, the outer diameter of the magnetic ring 3 is enlarged, and the same effect can be achieved.
As shown in fig. 4, the aperture of the front end of the power-taking metal nut 2 is larger than that of the rear end, or the tail of the power-taking metal nut 2 is closed. In this case, it is preferable that the diameter of the tail (rear end) of the electricity-taking metal nut 2 is smaller than that of the front end, for example, the screw thread is M8, and the diameter of the tail is smaller than 6.8 mm; of course, the tail of the power-taking metal nut 2 can be sealed, so that the screw connected with the power-taking metal nut 2 cannot directly penetrate through the whole power-taking metal nut 2, and when the bolt at the joint is too long, the bolt is prevented from being jacked to other parts at the rear end of the power-taking metal nut 2, so that other parts are prevented from being damaged, and even the device is damaged.
Simultaneously, the appearance of getting electric metal nut 2 has the non-circle section, as shown in fig. 5, if the afterbody of getting electric metal nut 2 has set up the boss, and has set up the parallel position 14 (remove a on the boss promptly), has set up the parallel position of complex with it equally in the inside of shell 1, like this kind of non-circle section structural design makes getting electric metal nut 2 unable rotation, avoids getting electric metal nut 2 to follow the bolt rotation, the phenomenon of screwing up appears. Here, preferably, two level positions are provided on the boss at the tail of the electricity-taking metal nut 2, and similarly, two level positions matching with the boss are also provided inside the housing 1.
As shown in fig. 2 and 7, a temperature probe 7 is arranged in the housing 1, the temperature probe 7 is installed in the housing 1, specifically, a partition wall 17 is arranged in the housing 1, the temperature probe 7 is separated from the power-taking metal nut 2, the magnetic ring 3 and the wiring terminal 5 by the partition wall 17, the partition wall 17 is arranged in a cavity structure, and the temperature probe 7 is placed in the cavity to protect the temperature probe 7 from being broken down by strong current. The temperature measuring probe 7 is connected with the quick connector 11 through a temperature measuring connecting wire 8, and the quick connector 11 is installed in the shell 1. The quick connector 11 adopts a connection mode similar to a round hole charger, and can realize plug and play. The temperature measuring probe 7 can be a thermocouple, a thermistor, an RTD or an IC temperature sensor. A temperature sensor (namely a temperature measuring probe 7) is added on the thread electricity taking device, so that the construction is greatly simplified, and the cost is also greatly reduced.
Install binding post 5 in the shell 1, refer to fig. 6, binding post 5 one end is passed through conducting strip 15 and is connected with getting electric metal nut 2 electricity for it has the electric connection relation to get electric metal nut 2 and binding post 5. The other end of the wiring terminal 5 is connected with an external lead 16, the external lead 16 extends out of the shell 1, and when the electricity-taking metal nut 2 is connected with an electrified part, power is finally supplied to the equipment through the conducting strip, the wiring terminal 5 and the external lead 16. Specifically, the connecting terminal 5 is provided with a contact spring piece 6 and a fixing piece 10, the external lead is connected between the contact spring piece 6 and the fixing piece 10, and the external lead 16 is fixed on the fixing piece 10 by means of the elasticity of the contact spring piece 6, so that the reliable connection of the external lead 16 is completed. In order to facilitate the detachment of the external lead 16 from the wiring terminal 5, the shell 1 is provided with the button 9, when the button 9 is pressed, the button 9 presses the contact elastic sheet 6, so that the contact elastic sheet 6 is separated from the fixing sheet 10, and the external lead 16 can be easily detached.
The above-mentioned embodiment does not limit the utility model in any way, and all the technical solutions that adopt the mode of equivalent replacement or equivalent transform to obtain all fall within the protection scope of the utility model.
Claims (10)
1. Get electric installation, including getting electric metal nut (2), it installs in shell (1) its characterized in that to get electric metal nut (2): and a limiting cover (4) is formed by extending the shell (1) outwards at the front end face of the electricity-taking metal nut (2).
2. The thread electricity taking device according to claim 1, wherein: a magnetic ring (3) is sleeved outside the electricity-taking metal nut (2) between the electricity-taking metal nut (2) and the shell (1).
3. The thread electricity taking device according to claim 2, wherein: the magnetic ring is characterized in that a plurality of limiting lugs (13) are arranged on the inner side of the shell (1), limiting grooves (12) are formed in the magnetic ring (3), the limiting lugs (13) correspond to the limiting grooves (12), and the limiting lugs (13) and the limiting grooves (12) limit the magnetic ring (3) to move on the inner side of the shell (1).
4. A thread electricity taking device according to any one of claims 1 to 3, wherein: a temperature measuring probe (7) is arranged in the shell (1), a partition wall (17) is arranged outside the temperature measuring probe (7), and the temperature measuring probe (7) is isolated from other components in the shell (1) by the partition wall (17).
5. The thread electricity taking device according to claim 4, wherein: the temperature measuring probe (7) is connected with the quick connector (11) through a temperature measuring connecting wire (8), and the quick connector (11) is installed in the shell (1).
6. The thread electricity taking device according to claim 4, wherein: the temperature measuring probe (7) is a thermocouple, a thermistor, an RTD or an IC temperature sensor.
7. The thread electricity taking device according to claim 1, wherein: install binding post (5) in shell (1), binding post (5) one end is passed through conducting strip (15) and is connected with getting electric metal nut (2) electricity, binding post (5) other end is connected with external conductor (16), external conductor (16) extend to shell (1) outside, get electric metal nut (2) and get the back and supply power to shell (1) outside through binding post (5), external conductor (16).
8. The thread electricity taking device according to claim 7, wherein: the wiring terminal (5) is provided with a contact elastic sheet (6) and a fixing sheet (10), the external lead (16) is connected between the contact elastic sheet (6) and the fixing sheet (10), and the external lead (16) is fixed on the fixing sheet (10) by means of the elasticity of the contact elastic sheet (6); the shell (1) is provided with a button (9), and when the button (9) is pressed, the button (9) presses the contact elastic sheet (6) to separate the contact elastic sheet (6) from the fixing sheet (10).
9. The thread electricity taking device according to claim 1, wherein: the aperture of the front end of the electricity-taking metal nut (2) is larger than that of the rear end, or the tail of the electricity-taking metal nut (2) is closed.
10. The thread electricity taking device according to claim 1, wherein: the shape of the electricity-taking metal nut (2) is provided with a non-circular section, and the inner side of the shell (1) corresponds to the shape of the electricity-taking metal nut (2) at the installation position of the non-circular section of the electricity-taking metal nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022504508.9U CN213212389U (en) | 2020-11-03 | 2020-11-03 | Thread electricity taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022504508.9U CN213212389U (en) | 2020-11-03 | 2020-11-03 | Thread electricity taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213212389U true CN213212389U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022504508.9U Active CN213212389U (en) | 2020-11-03 | 2020-11-03 | Thread electricity taking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN213212389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834962A (en) * | 2021-08-27 | 2021-12-24 | 佳源科技股份有限公司 | Low-voltage electrified electricity taking device based on fixed arm |
-
2020
- 2020-11-03 CN CN202022504508.9U patent/CN213212389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834962A (en) * | 2021-08-27 | 2021-12-24 | 佳源科技股份有限公司 | Low-voltage electrified electricity taking device based on fixed arm |
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