CN205543485U - Wiring mechanism of low voltage apparatus - Google Patents
Wiring mechanism of low voltage apparatus Download PDFInfo
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- CN205543485U CN205543485U CN201620035582.1U CN201620035582U CN205543485U CN 205543485 U CN205543485 U CN 205543485U CN 201620035582 U CN201620035582 U CN 201620035582U CN 205543485 U CN205543485 U CN 205543485U
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Abstract
The utility model provides a wiring mechanism of low voltage apparatus, is including setting up the termination in the casing, and the wire of peeling the external insulation off can insert the wire inserted hole of casing to be connected with termination, being equipped with the instruction structure of working a telephone switchboard on the lateral wall of casing. The utility model discloses a being equipped with the wiring on wiring mechanism of low voltage apparatus's the shell and instructing the structure, the user is as long as the product at the hand, can instruct according to the wiring on the product to require to operate, and it is safe in utilization that the standard wiring requires to improve the product. The wiring is instructed the structure and is not only instructed wire stripping length, wiring torsion, still has scale structure measurable wire stripping length, and it is very convenient to use, can effectively promote the wiring quality, avoid the potential safety hazard.
Description
Technical field
This utility model belongs to Low Voltage Electrical Apparatus, relates to the wiring mechanism of a kind of low-voltage electrical apparatus, it is adaptable to miniature circuit breaker etc. need to carry out the low-voltage electrical apparatus of wiring use.
Background technology
Low-voltage electrical apparatus, particularly miniature circuit breaker etc. are required for carrying out wiring use, to realize and being mechanically and electrically of electrical lead.Owing to the structure of termination is different and the difference of user environment, different low-voltage electrical apparatuses is different for the requirement of the wire stripping length of wire.If wire stripping length is too short, then causes occurring that temperature rise is too high when using, often cause the current capacity of electric equipment products to decline, time serious, even can cause fire incident；If wire stripping length is long, then cause short circuit hidden danger, short circuit once occurs, the most then cause fault, heavy then cause the personal injury accidents such as electric shock, also can play fire.Along with improving constantly that Electrical Safety management requires, the wiring safety of low-voltage electrical apparatus is increasingly taken seriously, but, wiring scene often can not find operation instructions, also without the scale of measuring length, the phenomenon that the wire wire stripping such as cause wire stripping too short or long is indefinite, causes the problem that wire stripping length is the most up to standard, thus leaves potential safety hazard to the wiring of low-voltage electrical apparatus.And, the screw that existing termination uses is generally complete thread screw, when connecing and moving back line, exception easily occurs, such as, often due to some clients are when moving back screw, screw is moved back sky, even miss and screw exited termination cause and come off, cause screw to be lost, wiring bothers, and screw is fallen also can be accidents caused on live part.Further, it is crooked that terminal screw moves back screw when sky easily causes wiring, even causes screw stuck with junction block, thus affects the reliability of wiring, causes temperature rise and other potential safety hazard.
Utility model content
In order to overcome the drawbacks described above of prior art, the purpose of this utility model be to provide a kind of use conveniently, safely, the wiring mechanism of the low-voltage electrical apparatus of low cost.
For achieving the above object, this utility model adopts the technical scheme that
The wiring mechanism of a kind of low-voltage electrical apparatus, including the termination being arranged in housing 1, peels the wire of external insulation off and can be inserted into the wire insert port 15 of housing 1 and be connected with termination, be provided with wiring instruction structure on the lateral wall of housing 1.
Preferably, described wiring instruction structure includes the wire stripping instruction structure 3 being arranged on the lateral wall of housing 1.
Preferably, described wiring instruction structure includes the moment of torsion instruction structure 2 being arranged on the lateral wall of housing 1.
Preferably, described wire stripping instruction structure 3 includes the scale structure 32 for measuring length.
Preferably, described wire stripping instruction structure 3 includes the length dimension instruction structure 31 for marking wire stripping length value.
Preferably, described moment of torsion instruction structure 2 includes the wiring moment of torsion instruction structure 21 of the numerical value of patching operations instruction the structure 22 and/or mark wiring moment of torsion marking the direction of moment of torsion effect.
Preferably, described wiring instruction structure is to be embossed in the projection on the lateral wall of housing 1 or groove；Or, described wiring instruction structure be bat printing or be pasted onto housing 1 lateral wall on wiring marker.
Preferably, described termination includes junction block 4 and the terminal screw 5 threadeded with junction block 4, installation junction block 4 and the wire connection cavity 11 of terminal screw 5 it is provided with in housing 1, on housing 1, the upper end of wire connection cavity 11 is provided with handle hole 14, is provided with the wire insert port 15 corresponding with junction block 4 on housing 1 sidewall；Described terminal screw 5 has one and moves back line operating side 51 more than connecing of the diameter of thread, and the epimere of described wire connection cavity 11 is provided with and can move back screw positioning and guiding wall 12 that line operating side 51 sidewall positioning and guiding coordinates with connecing and can move back, with connecing, the screw slip-off preventing convex shoulder 13 that line operating side 51 top barrier formula coordinates.
Preferably, the described sidewall in wire connection cavity 11 is additionally provided with and moves back, with connecing, the guide-localization rib 122 that line operating side 51 coordinates；Described guide-localization rib is arranged at four angles of wire connection cavity 11, extends to wire connection cavity 11 lower end base from wire connection cavity 11 upper end.
Preferably, the epimere of described wire connection cavity 11 is provided with screw positioning and guiding wall 12 and screw slip-off preventing convex shoulder 13, the diameter of a circle of screw positioning and guiding wall 12 correspondence, more than the diameter of handle hole 14, forms screw slip-off preventing convex shoulder 13 between screw positioning and guiding wall 12 and handle hole 14 sidewall；Described screw positioning and guiding wall 12 is additionally provided with in wire connection cavity 11 guide protrusions 121 extended.
The shell of the wiring mechanism of low-voltage electrical apparatus of the present utility model is provided with wiring instruction structure, as long as user's product is at hands, requirement can be indicated to operate according to the wiring on product, and specification wiring requires that improving product uses safety.Wiring instruction structure not only indicates wire stripping length, wiring torsion, also has scale structure measurable wire stripping length, uses very convenient, can effectively promote wiring quality, evade potential safety hazard.In addition, the wiring mechanism of low-voltage electrical apparatus of the present utility model is the guide locating device provided and setting of anti-drop device by housing, can effectively prevent screw to occur moving back sky, come off and block to wait indefinitely and move back line abnormal problem, can also prevent that screw hidden danger crooked, stuck occurs during wiring simultaneously, effectively improve serviceability and the security performance of termination.
Accompanying drawing explanation
Fig. 1 is the housing exterior floor map of this utility model wiring mechanism.
Fig. 2 is the enclosure structural representation of this utility model wiring mechanism.
Fig. 3 is the structural upright schematic diagram of the first embodiment of the shell of this utility model wiring mechanism.
Fig. 4 is the structural upright schematic diagram of the second embodiment of the shell of this utility model wiring mechanism.
Detailed description of the invention
Below in conjunction with the embodiment of the miniature circuit breaker that accompanying drawing 1-4 provides, further illustrate the detailed description of the invention of the wiring mechanism of low-voltage electrical apparatus of the present utility model.The wiring mechanism of low-voltage electrical apparatus of the present utility model is not limited to the following description.
See Fig. 1-2, the wiring mechanism of low-voltage electrical apparatus of the present utility model, including the termination being arranged in housing 1, peel the wire of external insulation off and can be inserted into the wire insert port 15 of housing 1 and be connected with termination, the lateral wall of housing 1 is provided with wiring instruction structure.Described termination includes junction block 4 and the terminal screw 5 threadeded with junction block 4, installation junction block 4 and the wire connection cavity 11 of terminal screw 5 it is provided with in the both sides of housing 1, on housing 1, the upper end of wire connection cavity 11 is provided with the handle hole 14 for inserting jointer (such as screwdriver), is provided with the wire insert port 15 for insert the wire (not shown) that strip corresponding with junction block 4 on housing 1 sidewall；Housing 1 is closed by base and cover buckle and forms, and is fixed on by junction block in housing 1, and forms wire connection cavity 11.Wiring of the present utility model instruction structure includes wire stripping instruction structure 3 and/or the prompting wiring moment of torsion instruction structure 2 pointing out wire wire stripping.The shell of the wiring mechanism of low-voltage electrical apparatus of the present utility model is provided with wiring instruction structure, as long as user's product is at hands, requirement can be indicated to operate according to the wiring on product, and specification wiring requires that improving product uses safety.Preferably wire stripping instruction structure 3 is arranged on the lateral wall of the housing 1 corresponding with wire insert port 15, and wiring moment of torsion instruction structure 2 is arranged on the lateral wall of the housing 1 corresponding with handle hole 14.The embodiment of Fig. 1 has wire stripping instruction structure 3 and wiring moment of torsion instruction structure 2 simultaneously, and this utility model is also not excluded for only including wire stripping instruction structure 3 or wiring moment of torsion instruction structure 2.
The concrete structure of described wire stripping instruction structure 3 can have various ways, and a kind of preferred mode is as it is shown in figure 1, described wire stripping instruction structure 3 includes the scale structure 32 for measuring length and/or indicates structure 31 for marking the length dimension of wire stripping length value.Described length dimension instruction structure 31 is labeled with the numerical value of wire stripping length, as shown in Figure 1 " 13 ", represents and requires a length of 13mm of wire stripping.Certainly, the numerical value of wire stripping length can require to determine according to different uses, and this requirement depends primarily on the structure of concrete termination.Described scale structure can be used for the metering of length, its scale structure 32 being labeled with measuring length, as shown in Figure 1 " 5 ", " 10 ", the scale of " 13 ", it is simply that the scale of scale, it may be assumed that the physical length of scale starting point 3a to scale " 5 " is 5mm；Scale starting point 3a is 10mm to the physical length of scale " 10 "；Scale starting point 3a is 13mm to the physical length of scale " 13 ".Measuring for convenience and wire stripping, scale starting point 3a is arranged on the left hand edge of the lateral wall of casing for electric appliances 1, and in other words, scale starting point 3a of described scale structure 32 is alignd (as shown in Figure 1) with the left hand edge of the lateral wall of casing for electric appliances 1.Wire stripping operation of the present utility model is the most convenient and accurate, only the termination of wire need to be directed at scale " 13 ", then the corresponding position on wire of scale starting point 3a (left hand edge of the lateral wall of casing for electric appliances 1) is exactly wire stripping aperture position, installs this aperture position wire stripping and just can obtain the wire stripping length of accurate 13mm.Simpler scale structure can be exactly a length mark projection, represents that wire stripping length is optimal to this, can not identify any digital calibration.The concrete structure of described wiring torsion instruction device 2 can have various ways, a kind of preferred mode is as it is shown in figure 1, described moment of torsion instruction structure 2 includes the wiring moment of torsion instruction structure 21 of the numerical value of patching operations instruction the structure 22 and/or mark wiring moment of torsion marking the direction of moment of torsion effect.As it is shown in figure 1, wiring moment of torsion instruction structure 21 is labeled with the numerical value 2.5Nm of wiring moment of torsion, represents and require that wiring moment of torsion is 2.5 Newton meters.Certainly, the numerical value of wiring moment of torsion can require to determine according to different uses, and it depends primarily on structure and the requirement of electrical contact pressure of concrete termination.Described patching operations instruction structure 22 is labeled with the direction of moment of torsion effect, the direction of arrow as shown in Figure 1, represents that the direction requiring moment of torsion effect is river page clockwise.
The wiring instruction structure of wiring mechanism of the present utility model may indicate that wire stripping length, wiring moment of torsion, the direction of moment of torsion effect, the most also there is measurable wire stripping length scales structure, use very convenient, the precision of wiring can be effectively improved, promote wiring quality, evade potential safety hazard.Wiring instruction structure can use the technological forming of mold pressing, it would however also be possible to employ pastes or the mode of bat printing wiring marker.By being embossed on the lateral wall of housing 1 the wire stripping instruction structure 3 forming protruding or groove and wiring moment of torsion instruction structure 2；Or, by bat printing or be pasted onto housing 1 lateral wall on formed have figuratum wiring marker.Certainly it is not excluded for using other technological forming, such as, pastes mode.
Wiring mechanism of the present utility model is additionally provided with can prevent from connecing and moves back the abnormal screw positioning and guiding wall 12 of line and/or screw slip-off preventing convex shoulder 13.Seeing Fig. 2-4, terminal screw 5 has one and moves back line operating side 51 more than connecing of the diameter of thread, and the screw tip of described terminal screw 5 is for rolling over screw tip processed.The epimere of described wire connection cavity 11 is provided with and can move back screw positioning and guiding wall 12 that line operating side 51 sidewall positioning and guiding coordinates with described connecing and/or can move back the screw slip-off preventing convex shoulder 13 that line operating side 51 top barrier formula coordinates with described connecing.A such as Fig. 2 is partially shown in above-mentioned " positioning and guiding cooperation ", when referring in terminal screw 5 wiring or move back line, connecing of rotating and move axially is moved back line operating side 51 sidewall and is contacted with screw positioning and guiding wall 12 and slide on screw positioning and guiding wall 12, by this sliding guidance terminal screw 5 with direction accurately and position and the screwed hole (not shown) threaded engagement on junction block 4, to prevent terminal screw 5 from occurring in operation, crooked, card is waited indefinitely exception.B such as Fig. 2 is partially shown in above-mentioned " blocking type cooperation ", refer to move back in line process at terminal screw 5, when connect move back line operating side 51 be withdrawn into certain position time, connect and move back top, line operating side 51 and contact with screw slip-off preventing convex shoulder 13 and stopped by screw slip-off preventing convex shoulder 13, by this stop limit connect move back line operating side 51 continue exit operation, so that it is guaranteed that terminal screw 5 is maintained on junction block 4, and do not come off.
The described diameter moving back the size of line operating side 51 more than handle hole 14 that connects, and the diameter of a circle corresponding with screw positioning and guiding wall 12 is suitable；Described connect that to move back the sidewall of line operating side 51 be circular arc type sidewall 511, it is possible to decrease to screw positioning and guiding wall 12 and the processing request of screw slip-off preventing convex shoulder 13.The shape and structure of described screw positioning and guiding wall 12 includes but not limited to annular.A kind of preferred shape and structure the first embodiment as shown in Figure 3, described screw positioning and guiding wall 12 is cirque structure.Another kind of preferably shape and structure the second embodiment as shown in Figure 4, described screw positioning and guiding wall 12 is arc-shaped structure." cirque structure " described here refers to that the profile of the cross section of screw positioning and guiding wall 12 is toroidal." arc-shaped structure " described here refers to that the profile of the cross section of screw positioning and guiding wall 12 is one section of circular arc.It is further preferred that described screw positioning and guiding wall 12 is additionally provided with in wire connection cavity 11 guide protrusions 121 extended, terminal screw is avoided to occur in operation further crooked.And, the described sidewall in wire connection cavity 11 is additionally provided with and moves back, with connecing, the guide-localization rib 122 that line operating side 51 coordinates.Described guide-localization rib is arranged at four angles of wire connection cavity 11, extends to wire connection cavity 11 lower end base from wire connection cavity 11 upper end.The shape and structure of described screw slip-off preventing convex shoulder 13 includes but not limited to annular.A kind of preferred shape and structure the first embodiment as shown in Figure 3, described screw slip-off preventing convex shoulder 13 is cirque structure.Another kind of preferably shape and structure the second embodiment as shown in Figure 4, described screw slip-off preventing convex shoulder 13 is arc-shaped structure.Above-mentioned " cirque structure " refers to that the profile of the fillet of screw slip-off preventing convex shoulder 13 is toroidal.Above-mentioned " arc-shaped structure " refers to that the profile of the fillet of screw slip-off preventing convex shoulder 13 is one section of circular arc.
Described convex shoulder 13 positional structure that comes off can have multiple concrete mode.A kind of preferred mode the first embodiment as shown in Figure 3, the epimere of described wire connection cavity 11 is provided with screw positioning and guiding wall 12 and screw slip-off preventing convex shoulder 13, the diameter of a circle of screw positioning and guiding wall 12 correspondence, more than the diameter of handle hole 14, forms screw slip-off preventing convex shoulder 13 between screw positioning and guiding wall 12 and handle hole 14 sidewall.Another kind of preferably mode the second embodiment as shown in Figure 4, the epimere of described wire connection cavity 11 is provided with screw positioning and guiding wall 12 and screw slip-off preventing convex shoulder 13, and screw slip-off preventing convex shoulder 13 includes the first screw slip-off preventing convex shoulder 131 and the second screw slip-off preventing convex shoulder 132；The screw slip-off preventing wall 133 of circular ring type it is additionally provided with between screw positioning and guiding wall 12 and handle hole 14 sidewall, the diameter of a circle of screw positioning and guiding wall 12 correspondence is more than the diameter of a circle of screw slip-off preventing wall 133 correspondence, and the diameter of a circle of screw slip-off preventing wall 133 correspondence is more than the diameter of handle hole 14；Form the first screw slip-off preventing convex shoulder 131 between screw positioning and guiding wall 12 and screw slip-off preventing wall 133, between screw slip-off preventing wall 133 and handle hole 14 sidewall, form the second screw slip-off preventing convex shoulder 132.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the wiring mechanism of a low-voltage electrical apparatus, including the termination being arranged in housing (1), it is characterized in that: peel the wire of external insulation off and can be inserted into the wire insert port (15) of housing (1) and be connected with termination, the lateral wall of housing (1) is provided with wiring instruction structure.
The wiring mechanism of low-voltage electrical apparatus the most according to claim 1, it is characterised in that: described wiring instruction structure includes wire stripping instruction structure (3) being arranged on the lateral wall of housing (1).
The wiring mechanism of low-voltage electrical apparatus the most according to claim 1, it is characterised in that: described wiring instruction structure includes moment of torsion instruction structure (2) being arranged on the lateral wall of housing (1).
The wiring mechanism of low-voltage electrical apparatus the most according to claim 2, it is characterised in that: described wire stripping instruction structure (3) includes the scale structure (32) for measuring length.
5. according to the wiring mechanism of the low-voltage electrical apparatus described in claim 2 or 4, it is characterised in that: described wire stripping instruction structure (3) includes length dimension instruction structure (31) for marking wire stripping length value.
The wiring mechanism of low-voltage electrical apparatus the most according to claim 3, it is characterised in that: described moment of torsion instruction structure (2) includes wiring moment of torsion instruction structure (21) of the numerical value of patching operations instruction structure (22) and/or the mark wiring moment of torsion marking the direction of moment of torsion effect.
The wiring mechanism of low-voltage electrical apparatus the most according to claim 1, it is characterised in that: described wiring instruction structure is to be embossed in the projection on the lateral wall of housing (1) or groove；Or, described wiring instruction structure be bat printing or be pasted onto housing (1) lateral wall on wiring marker.
The wiring mechanism of low-voltage electrical apparatus the most according to claim 1, it is characterized in that: described termination includes junction block (4) and the terminal screw (5) threadeded with junction block (4), installation junction block (4) and the wire connection cavity (11) of terminal screw (5) it is provided with in housing (1), it is provided with handle hole (14) in the upper end of the upper wire connection cavity (11) of housing (1), housing (1) sidewall is provided with the wire insert port (15) corresponding with junction block (4)；Described terminal screw (5) has one and moves back line operating side (51) more than connecing of the diameter of thread, and the epimere of described wire connection cavity (11) is provided with and can move back screw positioning and guiding wall (12) that line operating side (51) sidewall positioning and guiding coordinates with connecing and can move back, with connecing, screw slip-off preventing convex shoulder (13) that line operating side (51) top barrier formula coordinates.
The wiring mechanism of low-voltage electrical apparatus the most according to claim 8, it is characterised in that: it is additionally provided with on the described sidewall in wire connection cavity (11) and moves back, with connecing, the guide-localization rib (122) that line operating side (51) coordinates；Described guide-localization rib is arranged at four angles of wire connection cavity (11), extends to wire connection cavity (11) lower end base from wire connection cavity (11) upper end.
The wiring mechanism of low-voltage electrical apparatus the most according to claim 8, it is characterized in that: the epimere of described wire connection cavity (11) is provided with screw positioning and guiding wall (12) and screw slip-off preventing convex shoulder (13), the diameter of a circle that screw positioning and guiding wall (12) is corresponding is more than the diameter of handle hole (14), forms screw slip-off preventing convex shoulder (13) between screw positioning and guiding wall (12) and handle hole (14) sidewall；Described screw positioning and guiding wall (12) is additionally provided with in wire connection cavity (11) guide protrusions (121) extended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035582.1U CN205543485U (en) | 2016-01-14 | 2016-01-14 | Wiring mechanism of low voltage apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035582.1U CN205543485U (en) | 2016-01-14 | 2016-01-14 | Wiring mechanism of low voltage apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205543485U true CN205543485U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620035582.1U Active CN205543485U (en) | 2016-01-14 | 2016-01-14 | Wiring mechanism of low voltage apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205543485U (en) |
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2016
- 2016-01-14 CN CN201620035582.1U patent/CN205543485U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |