CN208848703U - A kind of clamshell mutual inductor - Google Patents
A kind of clamshell mutual inductor Download PDFInfo
- Publication number
- CN208848703U CN208848703U CN201821943425.6U CN201821943425U CN208848703U CN 208848703 U CN208848703 U CN 208848703U CN 201821943425 U CN201821943425 U CN 201821943425U CN 208848703 U CN208848703 U CN 208848703U
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- transformer housing
- flip lid
- clamshell
- side wall
- mutual inductor
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Abstract
The utility model discloses a kind of clamshell mutual inductors, including transformer housing, connecting terminal and wiring hole and turnable a pair of of the flip lid being set at the top of transformer housing, location structure is provided between at the top of a pair of flip lid and the transformer housing, by the location structure to keep flip lid to fix with the relative position of transformer housing when closed, using the technical program, prevent flip lid from arbitrarily being opened with the location fit of transformer housing by renovating, guarantee the stability that lid closes, protective is preferable, then again by lead sealing latch fitting across flip lid and corresponded in molding lead seal hole transformer housing side wall, flip lid is firmly locked, play anti-electricity-theft effect, and it will not influence the accuracy of secondary circuit output current data, be conducive to the patching operations of wire connecting terminal of transformer using this flip structure, it uses It is convenient, improve installation effectiveness.
Description
Technical field
The utility model relates to low voltage electrical apparatus technology fields, and in particular to a kind of clamshell mutual inductor.
Background technique
The function of mutual inductor is by high voltage or high current scaling transformation into normal low voltage or standard small electric current, so as to
It realizes measuring instrumentss, the standardization of protection equipment and automatic control equipment, miniaturization, mainly includes current transformer.
Mutual inductor on the market is all to need to dismantle wiring lid can just carry out patching operations in second loop return wiring,
And wiring lid is all screwed, it is therefore desirable to unscrew screw remove lid again after the completion of wiring and wiring again
Screw is screwed back with link lid, this sequence of operations process is cumbersome and inconvenient, and installation effectiveness is low.
For this purpose, Chinese patent literature CN20990287Y discloses a kind of low-voltage current mutual inductor of clamshell, including electric current
Mutual inductor ontology and positioned at current transformer body upper part two sides terminals and be hinged in body upper part and cover in terminals
Lid, cover the angle that is flipped up and be greater than 90 °, the inside of lid is equipped with the anti-electricity-theft hole that lead sealing passes through, mutual inductor ontology two sides tool
There is corresponding wiring hole, lead sealing line needs the wiring hole on anti-electricity-theft hole and ontology to lock lid.
Can be seen that existing mutual inductor by the structure of above-mentioned document, there are still following technical problems when in use: 1. by
It is to need to connect terminals across wiring hole in the conducting wire of secondary connection, the conducting wire for having led to lead sealing line and secondary connection is total
With a wiring hole, it is not only lack of standardization that wiring is worn in this way, but also is easy to interfere with each other wiring, it is also possible to influence secondary circuit output electric current
The accuracy of data；2. covering for mutual inductor can be opened arbitrarily in no connection lead seal, lid conjunction stability is poor, prevents
Shield property is poor.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome the lid of mutual inductor in the prior art in no lead sealing
When can arbitrarily be opened, lid closes stability and protective is poor, and lead sealing line and wiring conducting wire shared one of company of wearing lid
Wiring hole, the problem of influencing terminating wire and output data accuracy, to provide, a kind of lid closes stability and protective is good, prevents
It is only arbitrarily opened, is not influenced the clamshell mutual inductor of terminating wire and output data accuracy.
In order to solve the above technical problems, the utility model provides a kind of clamshell mutual inductor, including transformer housing, setting
In the connecting terminal and wiring hole of the transformer housing, and the flip lid being set at the top of the transformer housing may be reversed,
The flip lid exposes the connecting terminal when being flipped open, and covers the connecting terminal, the flip lid when overturning and closing
At the top of the transformer housing between be provided with location structure, kept by the location structure flip lid with it is described mutually
The relative position of sensor shell when closed is fixed, the one or both sides side wall of the transformer housing it is corresponding with the flip lid at
The lead seal hole that type has cooperation to connect.
As a preferred embodiment, a pair of flip lid is two for being oppositely arranged the both ends at the top of the transformer housing
Transparency cover, what two flip lids can be opposite being flipped open or closing.
As a preferred embodiment, the location structure include on the one or both sides side for be arranged in the flip lid extremely
A few locating fastener, and it is correspondingly arranged at least one positioning of the one or both sides side wall at the top of the transformer housing
Card slot, the locating fastener and the locating groove cooperate clamping when the flip lid is closed.
As a preferred embodiment, the two sides side wall at the top of the transformer housing is respectively equipped with two lead seal holes,
Two described to renovate to respectively correspond close to the positions of the two sides side walls and sets there are two the lead seal hole, is passed through by lead sealing latch fitting
The transformer housing side wall two lead seal holes corresponding with the flip lid are to lock the flip lid.
As a preferred embodiment, corresponding two lead seal holes are between the transformer housing side wall and the flip lid
The connection of L shape.
As a preferred embodiment, the outer surface for two flip lids being in close state and the transformer housing top
Portion is concordant.
As a preferred embodiment, one end of the flip lid is the turning end being hinged in the transformer housing, another
The opening end to be suitble to finger to start is held, there are two articulated shaft, the transformer housing tops for the two sides setting of the turning end
Two sides side wall be provided with two hinge holes corresponding with two articulated shafts, the articulated shaft is rotationally connected with the hinge
It connects in hole.
As a preferred embodiment, the two sides side wall at the top of the transformer housing is provided with the company for connecting the hinge hole
Sliding slot is connect, the connection sliding slot extends upward at the top of the transformer housing.
As a preferred embodiment, the wiring hole corresponds to the connecting terminal and is oppositely arranged on the transformer housing top
On the two sides side wall in portion, and it is located at below the lead seal hole.
The technical solution of the utility model has the advantage that compared with prior art
1. in clamshell mutual inductor provided by the utility model, by be arranged at the top of transformer housing may be reversed open or
A pair of of flip lid of closing, for protecting connecting terminal, a pair of flip lid is kept by location structure and transformer housing when closed
Opposite position is fixed, and design is advantageous in that in this way, and the location fit for first passing through flip lid and transformer housing prevents flip lid quilt
It arbitrarily opens, guarantees the stability that lid closes, protective is preferable, then passes through flip lid and transformer housing side by lead sealing latch fitting again
It is corresponded between wall in molding lead seal hole, flip lid is firmly locked, anti-electricity-theft effect is played, moreover, in transformer housing
Lead seal hole and wiring hole are provided separately, and are occurred so as to avoid the threading of lead sealing latch fitting and the conducting wire of secondary connection mutually dry
It disturbs, would not also influence the accuracy of secondary circuit output current data, mutual inductor is conducive to using this flip structure and is connect
The patching operations of line terminals, it is easy to use, wiring specification is worn, installation effectiveness is improved.
2. in clamshell mutual inductor provided by the utility model, a pair of flip lid is to be oppositely arranged in the mutual inductor shell
Two transparency covers at both ends at the top of body, what two flip lids can be opposite being flipped open or closing, this structure setting, two flip lid phases
Seem more spacious to the space being flipped open, is suitble to the patching operations of staff, even if in the off state can also be saturating
The case where flip lid observes connecting terminal is crossed, it is overall beautiful generous.
3. in clamshell mutual inductor provided by the utility model, the location structure includes being arranged on flip lid side to determine
Position buckle, and the locating groove being correspondingly arranged in transformer housing top sidewall, the locating fastener and the positioning card
Slot cooperates clamping when the flip lid is closed, and is hidden between flip lid and transformer housing after being clamped, and saves space, connection side
Just, cooperation is reliable, to play positioning action to flip lid, will not occur arbitrarily to overturn when no external force is stirred, Gai Hewen
It is qualitative good.
4. opposite between the transformer housing side wall and the flip lid in clamshell mutual inductor provided by the utility model
The two L-shaped connections of lead seal hole answered, the two lead seal holes connection distance designed in this way is close, so that lead sealing latch fitting is worn and connects lead seal hole
It is easy to operate apart from shorter, it is lockked with transformer housing side wall with lead seal structure by that will renovate, to prevent stealing, safely may be used
It leans on.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.
Fig. 1 is the schematic perspective view of the clamshell mutual inductor of the utility model when closed；
Fig. 2 is schematic perspective view of the clamshell mutual inductor of the utility model when opening；
Fig. 3 is the local separate structure schematic diagram of the clamshell mutual inductor of the utility model；
Fig. 4 is the structural schematic diagram of the flip lid of the utility model；
Description of symbols: 1- transformer housing, 11- wiring hole, 12- hinge hole, 13- connection sliding slot, 2- flip lid, 21-
Turning end, 211- articulated shaft, 3- location structure, 31- locating fastener, 32- locating groove, 4- lead seal hole.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.
Embodiment 1
The utility model provides a kind of clamshell mutual inductor as shown in Figs 1-4, including transformer housing 1, is set to institute
The connecting terminal and wiring hole 11 of transformer housing 1 are stated, and a pair being set at the top of the transformer housing 1 may be reversed and turn over
Lid 2, a pair of flip lid 2 exposes the connecting terminal when being flipped open, and covers the connecting terminal when overturning and closing,
A pair of flip lid 2 and the transformer housing are provided with location structure 3 between 1 top, by the location structure 3 to keep
The flip lid 2 is fixed with the relative position of the transformer housing 1 when closed, the one or both sides of the transformer housing 1
The side wall lead seal hole 4 for forming cooperation and connecting corresponding with a pair of flip lid 2, and lead sealing latch fitting is worn in lead seal hole to lock
Flip position.
Above embodiment is the core technology scheme of the present embodiment, be may be reversed by being arranged at the top of transformer housing 1
A pair of of the flip lid 2 opened or closed, for protecting connecting terminal (not showing in attached drawing), a pair of flip lid 2 leads to when closed
Crossing location structure 3 and transformer housing 1 keeps opposite position to fix, and design is advantageous in that in this way, first pass through flip lid 2 with mutually
The location fit of sensor shell 1 prevent flip lid arbitrarily opened, guarantee lid close stability, protective is preferable, then again by
Lead sealing latch fitting corresponds in molding lead seal hole 4 across flip lid 2 and 1 side wall of transformer housing, and flip lid 2 is firmly locked, and rises
To anti-electricity-theft effect, moreover, the lead seal hole 4 and wiring hole 11 in the transformer housing 1 are provided separately, to avoid
The threading of lead sealing latch fitting and the conducting wire of secondary connection interfere with each other, and would not also influence secondary circuit output current data
Accuracy, be conducive to the patching operations of wire connecting terminal of transformer using this flip structure, it is easy to use, wear wiring rule
Model simplifies structure, improves installation effectiveness.
Made further preferably according to above embodiment, as shown in Figs. 1-2, a pair is described to renovate 2 to be oppositely arranged in institute
Two transparency covers at 1 both ends at the top of transformer housing are stated, what two flip lids can be opposite being flipped open or closing, and is in close state
Two flip lids 2 outer surface it is concordant with 1 top of the transformer housing, planarization is good, this to opening structure design, makes
The opposite space being flipped open of two flip lids 2 seems more spacious, is suitble to the patching operations of staff, even if in off position
Under can also through flip lid observe connecting terminal the case where, it is overall beautiful generous.
It elaborates below with reference to the specific setting direction of Fig. 2-4 pairs of location structures:
The location structure 3 includes at least one locating fastener being arranged on the one or both sides side of the flip lid 2
31, and it is correspondingly arranged at least one locating groove 32 of the one or both sides side wall at 1 top of transformer housing, it is described
The cooperation when the flip lid 2 is closed of locating fastener 31 and the locating groove 32 is clamped, specifically, the two sides side of each flip lid 2
For Bian Gongshe there are two locating fastener, the two sides side wall at 1 top of transformer housing is corresponding to set that there are four locating grooves altogether, this
The locating fastener and locating groove of clamping form are hidden between flip lid and transformer housing, save space, easy to connect, fixed
Reliably, to play positioning action to flip lid, will not occur arbitrarily to overturn when no external force is stirred, it is good that lid closes stability.
As a kind of deformable mode of above-mentioned location structure, the location structure 3 includes being arranged on the flip lid 2
At least one card hole, and it is correspondingly arranged at least one buckle protrusion of the two sides side wall at 1 top of transformer housing, it is described
Buckle male cooperation snaps onto the card hole, to realize the location fit renovated at the top of the transformer housing.
In the present embodiment, as shown in Figs. 1-2, the two sides side wall at 1 top of transformer housing is respectively equipped with two institutes
State lead seal hole 4, two flip lids 2 are respectively corresponded close to the position of the two sides side wall sets that there are two the lead seal holes 4, described
Lead seal hole corresponding matching two-by-two between transformer housing and two flip lids passes through the transformer housing 1 by lead sealing latch fitting
Side wall locks the flip lid 2 with 2 corresponding two lead seal holes of the flip lid, it follows that operator's lead sealing latch fitting
Thief-proof electro ultrafiltration may be implemented in the lead seal hole 4 for lockking 2 one or both sides of the flip lid, and set-up mode is various, and protective is good.
As a preferred embodiment, corresponding two between 1 side wall of transformer housing and the flip lid 2
The L-shaped connection of lead seal hole, the two lead seal holes 4 connection distance designed in this way is close, so that lead sealing latch fitting, which is worn, connects the distance of lead seal hole more
It is short, it is easy to operate, it is lockked with transformer housing side wall with lead seal structure by that will renovate, to prevent stealing, securely and reliably.
It is described further below in conjunction with the specific set-up mode of Fig. 1-3 pairs of flip lids:
Two flip lids 2 are relatively arranged in the length end positions at the top of mutual inductor, are of an L-shaped structure, and the one of the flip lid 2
End is the turning end 21 being hinged in the transformer housing 1, and the other end is the opening end for being suitble to finger to start, the turning end
21 two sides setting there are two articulated shaft 211, the two sides side wall at 1 top of transformer housing be provided with two it is described hinged
211 corresponding two hinge holes 12 of axis, the articulated shaft 211 are rotationally connected in the hinge hole, are turned over to realize two
The flip-flop movement of lid can reach the split using effect of pairing.
In order to make two articulated shafts 211 of turning end are more smooth to be fitted into hinge hole 12,1 top of transformer housing
Two sides side wall be provided with the connection sliding slot 13 for connecting the hinge hole 12, the connection sliding slot 13 extends upward the mutual inductance
Device case top, two articulated shafts are fitted into along connection sliding slot into hinge hole, play installation guiding role.
Mutual inductor provided by the embodiment is preferably current transformer, and the connecting terminal is opposite at the top of transformer housing to be set
Two are set, the corresponding connecting terminal of the wiring hole 11 is oppositely arranged on the two sides side wall at 1 top of transformer housing,
And it is located at 4 lower section of lead seal hole, the setting position of the lead seal hole being arranged in this way and wiring hole on same side wall is different, also
It can be interfered with each other to avoid the threading of lead-sealing lock part and the conducting wire of secondary connection, guarantee that the normalization for wearing wiring, design are closed
Reason, cooperation are reliable.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (9)
1. a kind of clamshell mutual inductor, including transformer housing (1), be set to the transformer housing (1) connecting terminal and
Wiring hole (11), and a pair of of the flip lid being set at the top of the transformer housing (1) may be reversed, a pair of flip lid (2) exists
Expose the connecting terminal when being flipped open, and cover the connecting terminal when overturning and closing, it is characterised in that: described in a pair
Location structure (3) are provided between at the top of flip lid (2) and the transformer housing (1), by the location structure (3) to keep
The flip lid (2) is fixed with the relative position of the transformer housing (1) when closed, the side of the transformer housing (1)
Or the two sides side wall lead seal hole (4) for forming cooperation and connecting corresponding with a pair of flip lid (2).
2. a kind of clamshell mutual inductor according to claim 1, it is characterised in that: a pair of flip lid (2) is to set in opposite directions
Two transparency covers at both ends at the top of the transformer housing are placed in, what two flip lids can be opposite being flipped open or closing.
3. a kind of clamshell mutual inductor according to claim 2, it is characterised in that: the location structure (3) includes setting
At least one locating fastener (31) on the one or both sides side of the flip lid (2), and it is correspondingly arranged at the mutual inductance
At least one locating groove (32) of one or both sides side wall at the top of device shell (1), the locating fastener (31) with it is described fixed
Position card slot (32) cooperates clamping when the flip lid (2) is closed.
4. a kind of clamshell mutual inductor according to claim 2, it is characterised in that: at the top of the transformer housing (1)
Two sides side wall is respectively equipped with two lead seal holes (4), and two flip lids (2) are right respectively close to the position of the two sides side wall
It should set there are two the lead seal hole (4), the transformer housing (1) side wall and described flip lid (2) phase are passed through by lead sealing latch fitting
Corresponding two lead seal holes are to lock the flip lid (2).
5. a kind of clamshell mutual inductor according to claim 4, it is characterised in that: transformer housing (1) side wall with
The L-shaped connection of corresponding two lead seal holes between the flip lid (2).
6. a kind of clamshell mutual inductor according to claim 4, it is characterised in that: turned over described in two be in close state
The outer surface for covering (2) is concordant at the top of the transformer housing (1).
7. a kind of clamshell mutual inductor according to any one of claim 2-6, it is characterised in that: the flip lid (2)
One end is the turning end (21) being hinged on the transformer housing (1), and the other end is the opening end for being suitble to finger to start, described
The two sides setting of turning end (21) there are two articulated shaft (211), the two sides side wall at the top of the transformer housing (1) be provided with
Corresponding two hinge holes (12) of two articulated shafts (211), the articulated shaft (211) are rotationally connected with the hinge hole
In.
8. a kind of clamshell mutual inductor according to claim 7, it is characterised in that: at the top of the transformer housing (1)
Two sides side wall is provided with the connection sliding slot (13) for connecting the hinge hole (12), and the connection sliding slot (13) extends upward described
At the top of transformer housing.
9. a kind of clamshell mutual inductor according to claim 1, it is characterised in that: connect described in the wiring hole (11) is corresponding
Line terminals are oppositely arranged on the two sides side wall at the top of the transformer housing (1), and are located at below the lead seal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821943425.6U CN208848703U (en) | 2018-11-23 | 2018-11-23 | A kind of clamshell mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821943425.6U CN208848703U (en) | 2018-11-23 | 2018-11-23 | A kind of clamshell mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848703U true CN208848703U (en) | 2019-05-10 |
Family
ID=66376081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821943425.6U Active CN208848703U (en) | 2018-11-23 | 2018-11-23 | A kind of clamshell mutual inductor |
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| Country | Link |
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| CN (1) | CN208848703U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246660A (en) * | 2019-07-30 | 2019-09-17 | 国家电网有限公司 | A kind of mutual inductor protective housing |
| CN110346664A (en) * | 2019-07-09 | 2019-10-18 | 江苏斯菲尔电气股份有限公司 | A kind of power monitoring equipment |
| CN113692162A (en) * | 2021-08-30 | 2021-11-23 | 江苏斯菲尔电气股份有限公司 | Instrument with double-layer linkage flip cover |
| CN114336140A (en) * | 2022-01-04 | 2022-04-12 | 江苏爱斯凯电气有限公司 | Surge protector |
| CN114927311A (en) * | 2022-06-14 | 2022-08-19 | 广东四会互感器厂有限公司 | Totally enclosed three-phase voltage transformer in groups |
-
2018
- 2018-11-23 CN CN201821943425.6U patent/CN208848703U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346664A (en) * | 2019-07-09 | 2019-10-18 | 江苏斯菲尔电气股份有限公司 | A kind of power monitoring equipment |
| CN110246660A (en) * | 2019-07-30 | 2019-09-17 | 国家电网有限公司 | A kind of mutual inductor protective housing |
| CN110246660B (en) * | 2019-07-30 | 2024-03-22 | 国家电网有限公司 | Mutual inductor protective box |
| CN113692162A (en) * | 2021-08-30 | 2021-11-23 | 江苏斯菲尔电气股份有限公司 | Instrument with double-layer linkage flip cover |
| CN114336140A (en) * | 2022-01-04 | 2022-04-12 | 江苏爱斯凯电气有限公司 | Surge protector |
| CN114336140B (en) * | 2022-01-04 | 2023-11-03 | 江苏爱斯凯电气有限公司 | Surge protector |
| CN114927311A (en) * | 2022-06-14 | 2022-08-19 | 广东四会互感器厂有限公司 | Totally enclosed three-phase voltage transformer in groups |
| CN114927311B (en) * | 2022-06-14 | 2023-02-03 | 广东四会互感器厂有限公司 | Totally enclosed three-phase voltage transformer in groups |
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