CN204374265U - Ammeter box - Google Patents
Ammeter box Download PDFInfo
- Publication number
- CN204374265U CN204374265U CN201520080136.8U CN201520080136U CN204374265U CN 204374265 U CN204374265 U CN 204374265U CN 201520080136 U CN201520080136 U CN 201520080136U CN 204374265 U CN204374265 U CN 204374265U
- Authority
- CN
- China
- Prior art keywords
- casing
- electromagnet
- swing arm
- articulated
- ammeter box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of ammeter box, relate to field of power, its technical essential is: comprise and be buckled into cavity volume for accommodating ammeter by casing and case lid, described casing is provided with wiring hole, also include button line component, described button line component includes return unit, swing arm, electromagnet and strong magnetite, the both sides of described wiring hole are respectively arranged with swing arm, and have at least one to be articulated and connected on casing in two swing arms, and the swing arm be articulated with on casing is obliquely installed towards wiring hole, and be connected with casing by return unit, electromagnet and strong magnetite are arranged at two swing arms respectively on the one end deviating from casing, described casing is also provided with the switch be electrically connected with electromagnet, when electromagnet conducting is energized, the relatively strong magnetite move toward one another of described electromagnet.By arranging return unit, swing arm, electromagnet and strong magnetite, effectively can avoid the physical hazard of butted line, ensureing the dependability of ammeter box.The utility model is applicable to ammeter box.
Description
Technical field
The utility model relates to field of power, relates to ammeter box in particular.
Background technology
Ammeter box is used to the instrument measuring electric energy, also known as watt-hour meter, energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.Ammeter box mainly includes casing and cover cap, and casing and cover cap, by being buckled into components and parts cavity volume, are provided with electric energy meter and the air switch etc. for controlling electric energy meter usually in components and parts cavity volume.
Such as application number be 201320301404.5 Chinese utility model patent disclose a kind of high pressure expense control metering Anti-steal electric transformer, its Figure of description 1 discloses the mode of connection of ammeter box and other electrical equipment, but this mode of connection is also firm not, wiring loosening on casing is easily caused in device cavity volume, easily wiring is pulled out out casing when making in wiring at ordinary times or use, thus easily have influence on the normal use of ammeter box and relevant device.
And the applicant retrieve application number be 201420163563.8 Chinese utility model patent disclose a kind of inlet wire firmly ammeter box, instructions [0016] section with reference to this patent describes, pass through holder, the effect of effective tension wiring is played in the cooperation of multiple parts such as button line piece and return unit etc., but have certain problem in use: with reference to this patent Figure of description 2 shown in, when holder is installed on casing, because button line piece can under the acting force of return unit, the button line piece having partial-length convexedly stretches in fixing access aperture, make when this holder being installed on the casing being connected to wiring, the button line piece convexedly stretched in fixing access aperture can be easy to scratch wiring, cause wiring infringement physically, severe patient can cause ammeter box short circuit to burn.
Another structural design of employing better solves the problems of the technologies described above by the applicant.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of dependability, security that can ensure ammeter box high and the simple ammeter box of structure.
For achieving the above object, the utility model provides following technical scheme: a kind of ammeter box, comprise and be buckled into cavity volume for accommodating ammeter by casing and case lid, described casing is provided with wiring hole, also include button line component, described button line component includes return unit, swing arm, electromagnet and strong magnetite;
The both sides of described wiring hole are respectively arranged with swing arm, and have at least one to be articulated and connected on casing in two swing arms;
And the swing arm be articulated with on casing is obliquely installed towards wiring hole, and be connected with casing by return unit;
Electromagnet and strong magnetite are arranged at two swing arms respectively on the one end deviating from casing;
Described casing is also provided with the switch be electrically connected with electromagnet, when electromagnet conducting is energized, the relatively strong magnetite move toward one another of described electromagnet.
By adopting technique scheme, the both sides of wiring hole arrange swing arm, make in two swing arms that at least one is connected with body pivot, and electromagnet and strong magnetite are fixedly installed on two pendulum walls respectively on the one end deviating from casing, such operating personnel can first wiring be linked on wiring hole, now because switch is not opened, thus electromagnet does not conduct electricity and magnetisation, thus when wiring is linked on wiring hole, the two ends of wiring can't with electromagnet and strong magnetite inconsistent (now because the swing arm be articulated with on casing can only under the effect of return unit, the swing arm be articulated with on casing can not be rocked to wiring hole place, and be located on the side of the bearing of trend of wiring hole), thus effectively can avoid the physical hazard of butted line, ensure the dependability of ammeter box, and after the ammeter in wiring and cavity volume carefully connects the wire, operating personnel only need Push switch, electromagnet is conducted electricity and magnetisation, the applicant just can set in advance, make the magnetic of the electromagnet of conduction contrary with the magnetic of strong magnetite, the principle attracting according to homopolar-repulsion heteropole, electromagnet after such conduction just can move (or strong magnetite moves towards the electromagnet after conduction) towards strong magnetite under the effect of magnetic force, thus make two swing arm move toward one another, with the clamping action of the wiring between serving two swing arms, and when wiring will be taken off from casing, operating personnel only need closing switch, make electromagnet power-off, thus the swing arm be articulated with on casing only can deviate from casing swing under the effect of return unit, swing on the side of the bearing of trend of wiring hole, thus when taking out wiring, effectively can avoid the physical hazard of butted line, improve the dependability of ammeter box, and in the utility model, only need electromagnet, strong magnetite, switch, swing arm etc. just can effectively reach inlet wire and firmly act on, structure is also more current simple, and maintainability is strong.
The utility model is set to further: the swing arm being connected with strong magnetite is fixedly installed on casing.
The utility model is set to further: the swing arm being connected with electromagnet is articulated with on casing, and the swing arm be articulated with on casing is only obliquely installed towards wiring hole under the effect of return unit.
The utility model is set to further: the swing arm being connected with strong magnetite is articulated with on casing, and the swing arm be articulated with on casing is only obliquely installed towards wiring hole under the effect of return unit.
The utility model is set to further: the swing arm being connected with electromagnet is fixedly installed on casing.
The utility model is set to further: the swing arm being connected with electromagnet is articulated with on casing, and the swing arm be articulated with on casing is only obliquely installed towards wiring hole under the effect of return unit.
The utility model is set to further: described button line component is arranged on the madial wall of casing, or on the lateral wall of casing, or on the madial wall and lateral wall of casing.
The utility model is set to further: described return unit is stage clip.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the utility model ammeter box;
Fig. 2 is the A place enlarged drawing a of the utility model first specific embodiment electromagnet when not being energized in Fig. 1;
A place enlarged drawing b when Fig. 3 is the energising of the utility model first specific embodiment electromagnet in Fig. 1;
Fig. 4 is the A place enlarged drawing a of the utility model second specific embodiment electromagnet when not being energized in Fig. 1;
A place enlarged drawing b when Fig. 5 is the energising of the utility model the 3rd specific embodiment electromagnet in Fig. 1;
Fig. 6 is the A place enlarged drawing a of the utility model the 3rd specific embodiment electromagnet when not being energized in Fig. 1;
A place enlarged drawing b when Fig. 7 is the energising of the utility model the 3rd specific embodiment electromagnet in Fig. 1.
In figure: 1, casing; 2, ammeter; 3, cavity volume; 4, wiring hole; 5, return unit; 6, swing arm; 7, electromagnet; 8, strong magnetite; 9, lateral wall; 10, madial wall; 11, switch; 12, wiring.
Embodiment
Referring to figs. 1 through Fig. 7, the embodiment of ammeter box of the present utility model is described further.
With reference to a kind of ammeter box shown in Fig. 1, comprise and be buckled into cavity volume 3 for accommodating ammeter 2 by casing 1 and case lid, described casing 1 is provided with wiring hole 4, also includes button line component, and described button line component includes return unit 5, swing arm 6, electromagnet 7 and strong magnetite 8.
Shown in Fig. 7, the both sides of described wiring hole 4 are respectively arranged with swing arm 6, and have at least one to be articulated and connected on casing 1 in two swing arms 6.
Shown in Fig. 7, and the swing arm 6 be articulated with on casing 1 is obliquely installed towards wiring hole 4, and is connected with casing 1 by return unit 5.
Shown in Fig. 7, electromagnet 7 and strong magnetite 8 are arranged at two swing arms 6 respectively on the one end deviating from casing 1.
Shown in Fig. 6, described casing 1 is also provided with the switch 11 be electrically connected with electromagnet 7, when electromagnet 7 conducting is energized, relatively strong magnetite 8 move toward one another of described electromagnet 7.
The utility model controls the magnetic size of electromagnet 7 by the size of current on switch 11, to control the interaction force between electromagnet 7 and strong magnetite 8, finally realizes the control of the clamping force size of the wiring 12 between two swing arms 6.
With reference to shown in Fig. 2 to Fig. 7, the utility model is set to further: described return unit 5 is stage clip, has good elasticity, and when stage clip is in original state, the swing arm 6 be articulated with on casing 1 can in the side of the bearing of trend of wiring hole 4; And when wiring 12 being taken out from casing 1, operating personnel only need closing switch 11, make electromagnet 7 power-off loss of excitation, thus the swing arm 6 be articulated with on casing 1 can only return back on a side position of the bearing of trend of wiring hole 4 under the effect of stage clip, thus when taking out wiring 12, turn avoid the physical hazard of butted line 12.
Shown in Fig. 7, principle of work of the present utility model is:
By arranging swing arm 6 on the both sides of wiring hole 4, at least one and casing 1 in two swing arms 6 are rotationally connected, and electromagnet 7 and strong magnetite 8 are fixedly installed on two pendulum walls respectively on the one end deviating from casing 1, such operating personnel can first wiring 12 be linked on wiring hole 4, now because switch 11 is not opened, thus electromagnet 7 does not conduct electricity and magnetisation, thus when wiring 12 is linked on wiring hole 4, the two ends of wiring 12 can't with electromagnet 7 and strong magnetite 8 inconsistent (now because the swing arm 6 be articulated with on casing 1 can only under the effect of return unit 5, the swing arm 6 be articulated with on casing 1 can not be rocked to wiring hole 4 place, and be located on the side of the bearing of trend of wiring hole 4), thus effectively can avoid the physical hazard of butted line 12, ensure the dependability of ammeter box, and after the ammeter 2 in wiring 12 with cavity volume 3 carefully connects the wire, operating personnel only need Push switch 11, electromagnet 7 is conducted electricity and magnetisation, the applicant just can set in advance, make the magnetic of the electromagnet 7 of conduction contrary with the magnetic of strong magnetite 8, the principle attracting according to homopolar-repulsion heteropole, electromagnet 7 after such conduction just can move (or strong magnetite 8 moves towards the electromagnet 7 after conduction) towards strong magnetite 8 under the effect of magnetic force, thus make two swing arm 6 move toward one another, with the clamping action of the wiring 12 between serving two swing arms 6, and when wiring 12 will be taken off from casing 1, operating personnel only need closing switch 11, make electromagnet 7 power-off, thus be articulated with swing arm 6 on casing 1 and only can deviate from casing 1 under the effect of return unit 5 and swing, swing on the side of the bearing of trend of wiring hole 4, thus when taking out wiring 12, effectively can avoid the physical hazard of butted line 12, improve the dependability of ammeter box, and in the utility model, only need electromagnet 7, strong magnetite 8, switch 11, swing arm 6 etc. just can effectively reach inlet wire and firmly act on, structure is also more current simple, and maintainability is strong.
Current ammeter box, when holder is installed on casing 1, because button line piece can under the acting force of return unit 5, the button line piece having partial-length convexedly stretches in fixing access aperture, make when this holder being installed on the casing 1 being connected to wiring 12, the button line piece convexedly stretched in fixing access aperture can be easy to scratch wiring 12, cause wiring 12 infringement physically, severe patient can cause ammeter box short circuit to burn, and the utility model better solves the problems of the technologies described above by adopting following specific embodiment.
Shown in Fig. 7, in specific embodiment of the utility model.
In the first specific embodiment, with reference to shown in Fig. 1, Fig. 2 and Fig. 3, the swing arm 6 being connected with strong magnetite 8 is fixedly installed on the below of wiring hole 4 by welding, the mode such as bonding, makes strong magnetite 8 firmly be connected on casing 1, avoids the phenomenon be moved at casing 1; And the swing arm 6 being connected with electromagnet 7 is rotationally connected with on casing 1 by stage clip, and the swing arm 6 being connected with electromagnet 7 is articulated with on casing 1, and can be positioned on the top of wiring hole 4 bearing of trend time only under the effect of stage clip, thus will connect draw be linked into wiring hole 4 time, effectively can avoid strong magnetite 8 and the physical hazard of electromagnet 7 butted line 12, ensure that the dependability of ammeter box; Operating personnel are after Push switch 11, electromagnet 7 is conducted electricity and magnetisation, the principle attracting according to homopolar-repulsion heteropole, and be fixed on casing 1 due to strong magnetite 8, such electromagnet 7 can move towards strong magnetite 8 under the effect of this magnetic force (in Fig. 2 or Fig. 3, electromagnet 7 is to the motion of bottom fortune), the swing arm 6 of top is driven to put fortune downwards, thus the clamping action of wiring 12 between serving two swing arms 6.
In the second specific embodiment, with reference to shown in Fig. 1, Fig. 4 and Fig. 5, the swing arm 6 being connected with electromagnet 7 is fixedly installed on the below of wiring hole 4 by welding, the mode such as bonding, makes electromagnet 7 firmly be connected on casing 1, avoids the phenomenon be moved at casing 1; And the swing arm 6 being connected with strong magnetite 8 is rotationally connected with on casing 1 by stage clip, and the swing arm 6 being connected with strong magnetite 8 is articulated with on casing 1, and the below of wiring hole 4 bearing of trend time only under the effect of stage clip, can be positioned at, thus will connect draw be linked into wiring hole 4 time, effectively can avoid strong magnetite 8 and the physical hazard of electromagnet 7 butted line 12, ensure that the dependability of ammeter box; Operating personnel are after Push switch 11, electromagnet 7 is conducted electricity and magnetisation, the principle attracting according to homopolar-repulsion heteropole, and be fixed on casing 1 due to electromagnet 7, so strong magnetite 8 can move towards electromagnet 7 (in Fig. 4 or Fig. 5, strong magnetite 8 upwards puts fortune motion) under the effect of this magnetic force, the swing arm 6 of below is driven to put fortune upward, thus the clamping action of wiring 12 between serving two swing arms 6.
In the 3rd specific embodiment, with reference to shown in Fig. 1, Fig. 6 and Fig. 7, being connected with electromagnet 7 is all rotationally connected with on casing 1 by stage clip with the swing arm 6 of strong magnetite 8, and electromagnet 7 and strong magnetite 8 only under the effect of return unit 5 time lay respectively at above wiring hole 4 bearing of trend and below, thus will connect draw be linked into wiring hole 4 time, effectively can avoid strong magnetite 8 and the physical hazard of electromagnet 7 butted line 12, ensure that the dependability of ammeter box; After Push switch 11, strong magnetite 8 and electromagnet 7 can under the effect of this magnetic force move toward one another (in Fig. 6 or Fig. 7 strong magnetite 8 and electromagnet 7 all can to wiring hole 4 direction oscillating motion), thus the clamping action of wiring 12 between serving two swing arms 6.
In addition, in the utility model, shown in Fig. 7, described button line component had both been arranged on the madial wall 10 of casing 1, also can be arranged on the lateral wall 9 of casing 1, or on the madial wall 10 being arranged on casing 1 and lateral wall 9.
Shown in Fig. 7, the utility model is by utilizing electromagnetic induction principle, can produce the phenomenon in magnetic field, thus the strong magnetite 8 contrary with magnetic is attracting after electromagnet 7 conducts electricity, to reach the object of clamping wiring 12.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an ammeter box, comprise and fasten by casing and case lid the cavity volume for accommodating ammeter formed, described casing is provided with wiring hole, it is characterized in that: also include button line component, and described button line component includes return unit, swing arm, electromagnet and strong magnetite;
The both sides of described wiring hole are respectively arranged with swing arm, and have at least one to be articulated and connected on casing in two swing arms;
And the swing arm be articulated with on casing is obliquely installed towards wiring hole, and be connected with casing by return unit;
Electromagnet and strong magnetite are arranged at two swing arms respectively on the one end deviating from casing;
Described casing is also provided with the switch be electrically connected with electromagnet, when electromagnet conducting is energized, the relatively strong magnetite move toward one another of described electromagnet.
2. a kind of ammeter box according to claim 1, is characterized in that: the swing arm being connected with strong magnetite is fixedly installed on casing.
3. a kind of ammeter box according to claim 2, is characterized in that: the swing arm being connected with electromagnet is articulated with on casing, and the swing arm be articulated with on casing is only obliquely installed towards wiring hole under the effect of return unit.
4. a kind of ammeter box according to claim 1, is characterized in that: the swing arm being connected with strong magnetite is articulated with on casing, and the swing arm be articulated with on casing is only obliquely installed towards wiring hole under the effect of return unit.
5. a kind of ammeter box according to claim 4, is characterized in that: the swing arm being connected with electromagnet is fixedly installed on casing.
6. a kind of ammeter box according to claim 4, is characterized in that: the swing arm being connected with electromagnet is articulated with on casing, and the swing arm be articulated with on casing is only obliquely installed towards wiring hole under the effect of return unit.
7., according to the ammeter box of claim 1 to 6 described in any one, it is characterized in that: described button line component is arranged on the madial wall of casing, or on the lateral wall of casing, or on the madial wall and lateral wall of casing.
8. a kind of ammeter box according to claim 7, is characterized in that: described return unit is stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080136.8U CN204374265U (en) | 2015-02-05 | 2015-02-05 | Ammeter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080136.8U CN204374265U (en) | 2015-02-05 | 2015-02-05 | Ammeter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374265U true CN204374265U (en) | 2015-06-03 |
Family
ID=53330474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520080136.8U Expired - Fee Related CN204374265U (en) | 2015-02-05 | 2015-02-05 | Ammeter box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204374265U (en) |
-
2015
- 2015-02-05 CN CN201520080136.8U patent/CN204374265U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20220205 |