CN201314920Y - Electrical measuring instrument - Google Patents
Electrical measuring instrument Download PDFInfo
- Publication number
- CN201314920Y CN201314920Y CNU2008201547059U CN200820154705U CN201314920Y CN 201314920 Y CN201314920 Y CN 201314920Y CN U2008201547059 U CNU2008201547059 U CN U2008201547059U CN 200820154705 U CN200820154705 U CN 200820154705U CN 201314920 Y CN201314920 Y CN 201314920Y
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- base
- electrical measuring
- measuring instrument
- shell
- self
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Abstract
The utility model discloses an electrical measuring instrument, which comprises a housing, an instrument cover fixed on the upper and the lower end surfaces of the housing and a base. A measuring mechanism for a scale disc and a driving needle pointer are arranged in the housing; two terminals are positioned on the base and electrically connected with the measuring mechanism; two ends of a supporting member for the scale disc are fixedly connected with the scale disc and the base respectively; the measuring mechanism is arranged in the supporting member for the scale disc; the supporting member for the scale disc is integrated with the base; the housing is clamped with the instrument cover. Simultaneously, a piece of glass is fixed between the housing and the instrument cover; and tapping screws are adopted between the base, the supporting member and the housing, between the supporting member and the scale disc. By the design conception of light weight and environmental protection, the electrical measuring instrument, on the premise of ensuring the firmness and reliability of the electrical measuring instrument and meeting the needs of normal working, thermoplastics is adopted to reduce the weight and size, and thereby, the utility model the advantages of easy and convenient assembling, high production efficiency, less environmental protection and saved metallic materials.
Description
Technical field
The utility model relates to electrical measuring instrument, relates in particular to a kind of modified simulation installing type electrical measuring instrument.
Background technology
Electrical measuring instrument is from from invention, and necessary tool in producing exactly, living is widely used in various aspects.People constantly weed out the old and bring forth the new to it according to different measurement needs and application, and the electrical measuring instrument model constantly increases.Many reasonable in design, the ammeter that function is superior is subjected to electrical measurement user's high praise, and its phenotype is also produced again and again, uses till today.But in generation design year of a lot of electrical measuring instruments, is longer, is limited by at that time material, designing technique and production theory, exists much to remain to be replenished and improved deficiency.With regard to existing widely used simulation installing type electrical measuring instrument, its base, shell and three parts of cover, material is the thermosetting phenolic plastics, adopts compression-molding process, and labour intensity is big, environmental pollution is serious, production efficiency is low, material can not reclaim again, utilize; The toughness of material is relatively poor, occurs damaged in the transportation easily; Density of material is bigger, causes part quality bigger; And the structural design of base, shell is thicker, heavy, and most of copper screw, nut assembling, fraction of adopting adopts the bonding assembling of bonding agent between each parts, and the nonferrous materials consumption is more, and environmental pollution is more serious.
In summary, the shortcoming of prior art is:
1. use the main element of being made electrical measuring instrument by compression-molding process, as base, shell and watch glasses, production efficiency is low, and manufacture process is loaded down with trivial details, complex manufacturing, and can not recycling.
2. be used for the securing member that electrical measuring instrument inner Join part adopts copper material more, the nonferrous materials consumption is more.
3. employing technique for sticking, environmental pollution is more serious.
Novel content
At the deficiency that prior art exists, the utility model provides electrical measuring instrument, to adapt to lightweight, requirements of green environmental protection, can save valuable nonferrous materials.
The purpose of this utility model is achieved in that and comprises:
One shell and the watch glasses and the base that are fixed in the shell upper and lower end face, this enclosure are provided with the measuring mechanism that a dial and drives pointer, and base is provided with two terminals, and described terminals are electrically connected with measuring mechanism;
One dial supporting member bottom surface is installed on one jiao relative with the dial support column on the base, and the fixedly connected dial of its end face installs and measures mechanism in it;
One dial support column, integrated with base;
One glass;
Adopt clamping between described shell and the watch glasses, fixing glass between shell and the watch glasses.。
Preferably, be provided with draw-in groove around the described shell, be provided with interior buckle around the described watch glasses, draw-in groove and interior buckle closely fasten, and simultaneously glass are fixed between shell and the watch glasses.
Preferably, described shell is square, and the correspondence position with base on its four angles respectively is provided with a self-tapping screw hole; Described shell is connected by self-tapping screw with base.
Preferably, described supporting member and base, supporting member and dial connect by self-tapping screw respectively;
Described supporting member respectively is provided with a shoulder up and down, and last shoulder is provided with two self-tapping screw holes and connects dial, and the circumference of following shoulder is provided with three self-tapping screw via holes, and the correspondence position of base is provided with three self-tapping screw holes.
Preferably, described terminals are inlaid on the base by nut.
Preferably, described shell, watch glasses and base adopt thermoplastics, make by Shooting Technique.
Preferably, the physical dimension of described electrical measuring instrument is 120mm * 120mm * 77.5mm.
The utility model makes it compared with prior art owing to adopted above technical scheme, has the following advantages and good effect:
1. the electrical measuring instrument main element that uses Shooting Technique to make has reduced labour intensity, has improved production efficiency.
2. by reducing electrical measuring instrument interior metal securing member, saved nonferrous materials.
3. by the snap-fitted between shell and the watch glasses, cancel the adhesion technique of glass and watch glasses, watch glasses and shell, protected environment.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.
In the accompanying drawings:
Fig. 1 is the front view of watch glasses of the present utility model.
Fig. 2 is the cut-open view of the A direction of watch glasses of the present utility model.
Fig. 3 is the front view of shell of the present utility model.
Fig. 4 is the right view of shell of the present utility model.
Fig. 5 is the synoptic diagram of base of the present utility model.
Fig. 6 is the side view of base of the present utility model.
Fig. 7 is the synoptic diagram of supporting member of the present utility model.
Fig. 8 is a front view of the present utility model.
Fig. 9 is a left view of the present utility model.
Figure 10 is a rear view of the present utility model.
Drawing reference numeral:
[1] watch glasses [2] shell [3] base [4] terminals
[5] measuring mechanism [6] supporting member [7] self-tapping screw [8] draw-in groove
[9] interior buckle [10] self-tapping screw hole [11] shoulder [12] self-tapping screw via hole
[13] dial support column
Embodiment
Below in conjunction with accompanying drawing 1-10, specifically introduce a kind of preferred embodiment of the present utility model:
As shown in Figure 1, 2, watch glasses 1 of the present utility model is a square structure, and every scuncheon on its four limit is equipped with 2 interior buckles 9 of symmetry.
Shown in Fig. 3,4, shell 2 of the present utility model is square housings more smaller than watch glasses 1, respectively be drilled with 1 length of side 1.7mm on its four angles, the self-tapping screw hole 10 of dark 8.5mm, the frame outside on its four limit all have with watch glasses 1 in buckle 9 corresponding draw-in grooves 8.Interior buckle 9 can closely fasten with draw-in groove 8, and watch glasses 1 and shell 2 are assembled together securely, and simultaneously, glass also is fixed between watch glasses and the shell, compared with using the bonding assembling of glue in the prior art, has both improved efficiency of assembling, has avoided environmental pollution again.
Shown in Fig. 5,6, one jiao of track along circle of base 3 of the present utility model is evenly equipped with three boss, all is drilled with a length of side 1.7mm on each boss, and the self-tapping screw hole 10 of dark 5.3mm is used for fixing supporting member 6; The dial support column 13 of the other end setting at diagonal angle and base 3 one, base 3 also is equipped with two terminals 4, be electrically connected the measuring mechanism of enclosure interior, terminals 4 are by embedded nut, plain washer, spring washer and screw are formed, can be connected with external circuit, and connection terminal compared with prior art, shortened 4mm; Respectively be drilled with self-tapping screw via hole 12 on its four angles, match with the self-tapping screw hole 10 of shell 2, fastening by four self-tapping screws 7 and shell 2; The thickness of base 3 of the present utility model is 10mm, has reduced 12.5mm than prior art, has dwindled the volume of 42 type electrical measuring instruments greatly.
As shown in Figure 7, supporting member 6 of the present utility model, supporting member 6 is circular cylindrical shell body structures, it respectively is provided with a shoulder 11 up and down, the correspondence position of the two ends of last shoulder 11 and dial mounting hole respectively is drilled with a length of side 1.5mm, dark 5.0mm self-tapping screw hole 10, the third-class office of the circumference of following shoulder 11 respectively is drilled with a self-tapping screw via hole 12, with three self-tapping screw holes, the 10 corresponding couplings on the base 3.Such design makes only uses 5 self-tapping screws 7 just supporting member 6, base 3 and dial can be fastenedly connected.And the height of supporting member also is reduced to 46.5mm by the 55.5mm of prior art, reduced 9mm, dwindled the volume of 42 type electrical measuring instruments.
Shown in Fig. 8,9,10, physical dimension of the present utility model is 120mm * 120mm * 77.5mm, wherein the high 13mm of watch glasses, 120mm * 120mm * 92mm compared with 42 general type electrical measuring instruments, thickness reduces greatly, has also saved material simultaneously, and quality has alleviated 0.086kg than prior art.
Direct access electric current≤50A of the present utility model; Directly insert voltage≤600V; Accuracy class index 1.5; Voltage-withstand test: 50Hz, 2000V last 1min; 90 ° of needle deflection angles; The installation site: dial vertically uses; Condition of work: environment temperature ultimate value-25 ℃～+ 40 ℃; Ambient humidity (25%～80%) RH.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (7)
1. electrical measuring instrument comprises:
One shell (2) and be fixed in a watch glasses (1) and a base (3) of shell (2) upper and lower end face, this shell (2) inside is provided with the measuring mechanism (5) that a dial and drives pointer, base (3) is provided with two terminals (4), and described terminals (4) are electrically connected with measuring mechanism (5);
One dial support column (13), integrated with base (3);
One supporting member (6), its two ends are fixedly connected dial and base (3) respectively, installs and measures mechanism (5) in it;
One glass;
It is characterized in that:
Adopt clamping between described shell (2) and the watch glasses (1), fixing glass between shell (2) and the watch glasses (1).
2. electrical measuring instrument as claimed in claim 1 is characterized in that: the frame outside is provided with draw-in groove (8) around the described shell (2), and scuncheon is provided with interior buckle (9) around the described watch glasses (1), and draw-in groove (8) closely fastens with interior buckle (9).
3. electrical measuring instrument as claimed in claim 1 or 2 is characterized in that: described shell (2) is that respectively to be provided with a self-tapping screw hole (10) on its four angles of square casing corresponding with the self-tapping screw via hole (12) that base (3) is provided with; Described shell (2) is connected by self-tapping screw (7) with base (3).
4. electrical measuring instrument as claimed in claim 1 or 2 is characterized in that:
Described supporting member (6) and base (3), supporting member (6) and dial connect by self-tapping screw respectively;
Described supporting member (6) respectively is provided with a shoulder (11) up and down, last shoulder (11) is provided with two self-tapping screw holes (10) and connects dial, the circumference of following shoulder (11) is provided with three self-tapping screw via holes (12), and the correspondence position of base (3) is provided with three self-tapping screw holes (10).
5. electrical measuring instrument as claimed in claim 4 is characterized in that: described terminals (4) are inlaid on the base (3) by nut.
6. electrical measuring instrument as claimed in claim 5 is characterized in that: described shell (2), watch glasses (1) and base (3) use thermoplastics.
7. electrical measuring instrument as claimed in claim 6 is characterized in that: the physical dimension of described 42 type electrical measuring instruments is 120mm * 120mm * 77.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201547059U CN201314920Y (en) | 2008-10-31 | 2008-10-31 | Electrical measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201547059U CN201314920Y (en) | 2008-10-31 | 2008-10-31 | Electrical measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314920Y true CN201314920Y (en) | 2009-09-23 |
Family
ID=41126719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201547059U Expired - Lifetime CN201314920Y (en) | 2008-10-31 | 2008-10-31 | Electrical measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314920Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007115A (en) * | 2019-05-09 | 2019-07-12 | 贵州长通电气有限公司 | A kind of buckle-type instrument |
-
2008
- 2008-10-31 CN CNU2008201547059U patent/CN201314920Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007115A (en) * | 2019-05-09 | 2019-07-12 | 贵州长通电气有限公司 | A kind of buckle-type instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |
|
| CX01 | Expiry of patent term |