CN204028200U - A kind of indicator type current meter - Google Patents
A kind of indicator type current meter Download PDFInfo
- Publication number
- CN204028200U CN204028200U CN201420407717.3U CN201420407717U CN204028200U CN 204028200 U CN204028200 U CN 204028200U CN 201420407717 U CN201420407717 U CN 201420407717U CN 204028200 U CN204028200 U CN 204028200U
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- pointer
- bending part
- index dial
- turning axle
- type current
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Abstract
The utility model discloses a kind of indicator type current meter, aiming to provide a kind of pointer of reometer that prevents causes bent hand distortion or pointer to take the indicator type current meter dropping on and index dial occurs mechanical zero deviation because using accidentally, its drip irrigation device is a kind of indicator type current meter, comprise housing, transparent plastic sheet, pointer and turning axle, housing is provided with installation chamber, transparent plastic sheet is connected to the upper end of installing chamber, install in chamber and be provided with index dial, index dial offers circular hole, turning axle to be arranged in circular hole and to be fixedly connected with pointer, pointer arranges the top with index dial, wherein turning axle is provided with pointer position limiting structure, index dial is provided with pointer supporting construction relative to the position of pointer middle-end, ammeter in the course of the work, can ensure that mechanical zero deviation does not appear in pointer by pointer position limiting structure and pointer supporting construction, realize reometer accurate reading and the normal function validity used.
Description
Technical field
The utility model relates to pointer ammeter technical field, and more particularly, it relates to a kind of indicator type current meter.
Background technology
Reometer, also known as amp gauge, that one is used for measuring friendship, the instrument of electric current in DC circuit, the indicator type current meter effect magnetic field force induced in magnetic field according to electrical conductor is made, there is a permanent magnet reometer inside, magnetic field is produced at interpolar, a coil is had in magnetic field, respectively there is a hairspring spring at coil two ends, spring respectively connects a binding post of reometer, be connected by a rotating shaft between spring with coil, in the front end of rotating shaft relative to reometer, there is a pointer, when there being electric current to pass through, electric current is along spring, rotating shaft cuts magnetic induction line by magnetic field and electric current, so magnetic field force induced effect, coil is deflected, drive rotating shaft, needle deflection, and the size of magnetic field force increases along with electric current and increases, reduce and reduce, so just can be observed the size of electric current by the degree of deflection of pointer, therefore indicator type current meter is also called magneto-electric pointer reometer, the size of mechanical indicator structure indicator current due to what adopt, in use there will be measurement is that measurement range selection is improper, seriously overproof, make pointer hit on block heavyly, pointer is hit curvedly depart from zero-bit and cannot return to zero, or pointer structure Joint failure, cause pointer excessively loose, take and drop on the mechanical zero offset issue that on index dial, appearance cannot be returned to zero.
At present, application number on market be 201320023544.0 Chinese patent disclose a kind of pointer ammeter, for can not the problem of accurate reading in existing ammeter, and provide a kind of structure simple, facilitate and the pointer ammeter of energy accurate reading, it comprises index dial, pointer, turning axle, transparent plastic sheet, shell and binding post, described interior of rotating shaft is provided with cavity, Compress Spring and thin bar is provided with in described cavity, described turning axle end face is provided with circular hole, side lower one end is provided with hole, the other end that lateral inner is relative with hole is provided with hinged nail, described pointer is hinged through hole and hinged nail, described transparent plastic sheet has the aperture corresponding with circular hole, and described thin bar is connected a button through circular hole with aperture.
Although the utility model pointer ammeter is applicable to the accurate reading of ammeter data in measuring process, and be conducive to pointer effective location in use, ensure the function-stable of ammeter, but the pointer of this pointer ammeter lacks the position limiting structure of necessity and cooperatively interacting of supporting mechanism, easily there is pointer in use due to hinged inefficacy, pointer is caused to connect pine, make pointer take and drop on index dial, there is excessive frictional resistance, or needle deflections is chosen improper, occur that outer casing inner wall face is excessively clashed in needle deflection, bent hand is made to be out of shape and to cause ammeter mechanical zero deviation, affect the accurate reading of ammeter and the normal function used.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is that provide a kind of arranges position limiting structure and supporting mechanism in pointer bindiny mechanism, thus ensure that pointer does not occur bending and deformation and takes to drop on index dial and causes ammeter mechanical zero deviation, affect the accurate reading of ammeter and the indicator type current meter of normal use.
For achieving the above object, the utility model provides following technical scheme: a kind of indicator type current meter, comprise housing, transparent plastic sheet, pointer and turning axle, described housing is provided with installation chamber, described transparent plastic sheet is connected to the upper end of described installation chamber, index dial is provided with in described installation chamber, described index dial offers circular hole, described turning axle is arranged in described circular hole, described turning axle is connected with described pointer, described pointer is arranged at the top of described index dial, it is characterized in that: in described housing, be provided with the pointer position limiting structure corresponding with described turning axle, pointer supporting construction is provided with between described index dial and described pointer.
Compared with prior art, the utility model has the advantage of: by arranging installation chamber on the housing of indicator type current meter, can by the regulating and controlling organization establishes of indicator type current meter in enclosure interior, and then the defencive function realized spare and accessory parts, regulating and controlling mechanism can not be collided damage easily, be conducive to the needs ensureing indicator type current meter using function stability and measurement precision, transparent plastic sheet is connected to the upper end of described installation chamber, in order to convenient observation measurement result, index dial is provided with in installation chamber, accurately can show the concrete numerical value of measured size of current, index dial offers circular hole, and turning axle is arranged in circular hole, turning axle is connected with pointer, pointer is arranged at the top of described index dial, be the smooth and easy rotation in order to realize pointer control survey mechanism and the magnitude numerical value of accurate instruction measurement electric current, wherein, the pointer position limiting structure corresponding with turning axle is provided with in housing, position-limiting action can be played to the pointer near rotary shaft position by pointer position limiting structure, once the electric current that indicator type current meter is measured exceedes regulation range, then pointer can be forced spacing at pointer position limiting structure place, the front end of pointer is avoided to hit the madial wall of housing, bent hand is caused to be out of shape, and then there is mechanical zero deviation, make pointer cannot accurate reading and zeroing, affect accuracy and the normal usage function of indicator type current meter, pointer supporting construction is provided with between index dial and pointer, pointer can be supported by pointer supporting construction, avoid pointer in use due to Joint failure, cause pointer to connect to loosen, make pointer take and drop on index dial, there is excessive frictional resistance, and then there is mechanical zero deviation, make pointer cannot accurate reading and zeroing, affect accuracy and the normal usage function of indicator type current meter.
The utility model is set to further: described pointer comprises the first bending part, the second bending part and the 3rd bending part, described first bending part is fixedly connected with described turning axle, described second bending part is adaptive corresponding with described pointer position limiting structure, and the middle-end of described 3rd bending part contacts with described pointer supporting construction.
Compared with prior art, the utility model has the advantage of: by pointer being set to comprise the first bending part, second bending part and the 3rd bending part, and the first bending part is fixedly connected with turning axle, second bending part is adaptive corresponding with pointer position limiting structure, the middle-end of the 3rd bending part contacts with pointer supporting construction, realize pointer and coordinate turning axle, realize controlling deixis under electromagnetic induction effect, the size measuring electric current is specialized, conversion to be presented on index dial and to be indicated by pointer, the setting of the first bending part is to ensure the validity that pointer is connected with turning axle, the setting of the second bending part is to ensure that pointer can not cause flexural deformation accidentally because of use, affect accurate instruction reading and the normal usage function of reometer, the setting of the 3rd bending part is to ensure that pointer will cause pointer to be taken because of Joint failure and drop on index dial, affect accurate instruction reading and the normal usage function of reometer.
The utility model is set to further: the first described bending part is arranged in mutually vertical with the axis of described turning axle, the axis of described second bending part and described turning axle is arranged in parallel, and described 3rd bending part and described index dial are arranged in parallel.
Compared with prior art, the utility model has the advantage of: arranged in mutually vertical with the axis of turning axle by the first bending part, the validity that further guarantee pointer is connected with turning axle, improve the precision rotating instruction, the axis of the second bending part and turning axle is arranged in parallel, to improve the spacing area with pointer position limiting structure, improve contact strength, further guarantee pointer can not cause flexural deformation accidentally because of use, affect accurate instruction reading and the normal usage function of reometer, 3rd bending part and index dial are arranged in parallel, in order to improve the validity of pointer and the support and connection of pointer supporting construction, further guarantee pointer will cause pointer to be taken because of Joint failure dropping on index dial, affect accurate instruction reading and the normal usage function of reometer.
The utility model is set to further: it is column construction arranged in parallel that described pointer position limiting structure is set to two with described rotating shaft axis direction, described column construction is symmetricly set in the both sides of described turning axle, and described column construction and described second bending part are in parallel corresponding in the axial direction.
Compared with prior art, the utility model has the advantage of: be column construction arranged in parallel by pointer position limiting structure being set to two with rotating shaft axis direction, column construction is symmetricly set in the both sides of turning axle, column construction and the second bending part are in parallel corresponding in the axial direction, improve the accuracy of the limit function of pointer position limiting structure, can carry out spacing to pointer in the two directions, ensure that pointer using function is stablized, when there is position-limiting action in column construction and the second bending part simultaneously, linear contact lay between the two, the corresponding compressive strength strengthening the second bending part, ensure that pointer can not cause flexural deformation accidentally because of use, affect accurate instruction reading and the normal usage function of reometer.
The utility model is set to further: described pointer supporting construction is set to be circular shape with described rotating shaft axis for the center of circle and be fixed on the triangle bulge-structure on described index dial, and described triangle bulge-structure forms point cantact away from the angular vertex of described index dial and the middle-end of described 3rd bending part.
Compared with prior art, the utility model has the advantage of: by pointer supporting construction being set to be that the center of circle is circular shape and is fixed on the triangle bulge-structure on index dial with rotating shaft axis, triangle bulge-structure forms point cantact away from the angular vertex of index dial and the middle-end of the 3rd bending part, both realized pointer supporting construction all the time with end in contact in the 3rd bending part of pointer, pointer can not be taken to be dropped on index dial, simultaneously triangle bulge-structure be arranged so that the 3rd forms point cantact between bending part and angular vertex, decrease both rubbing contact areas, ensure the validity of needle deflection, there will not be deflection catching phenomenon, ensure that pointer will cause pointer to be taken because of Joint failure and drop on index dial, affect accurate instruction reading and the normal usage function of reometer.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of indicator type current meter of the utility model;
Fig. 2 is the pointer bindiny mechanism schematic diagram of a kind of indicator type current meter of the utility model;
Fig. 3 is the front elevational schematic of Fig. 1;
Fig. 4 is the structure cut-open view of Fig. 3 along A-A direction.
Reference numeral: 1, housing; 1.1, chamber is installed; 2, transparent plastic sheet; 3, pointer; 3.1, the first bending part; 3.2, the second bending part; 3.3, the 3rd bending part; 4, turning axle; 5, index dial; 6, circular hole; 7, pointer position limiting structure; 8, pointer supporting construction.
Embodiment
Referring to figs. 1 through Fig. 4, the embodiment of a kind of indicator type current meter of the utility model is described further.
A kind of indicator type current meter, comprise housing 1, transparent plastic sheet 2, pointer 3 and turning axle 4, housing 1 is provided with chamber 1.1 is installed, transparent plastic sheet 2 is connected to the upper end of installing chamber 1.1, install in chamber 1.1 and be provided with index dial 5, index dial 5 offers circular hole 6, turning axle 4 is arranged in circular hole 6, turning axle 4 is connected with pointer 3, pointer 3 is arranged at the top of index dial 5, wherein, the pointer position limiting structure 7 corresponding with turning axle 4 is provided with in housing 1, pointer supporting construction 8 is provided with between index dial 5 and pointer 3, pointer 3 comprises the first bending part 3.1, second bending part 3.2 and the 3rd bending part 3.3, first bending part 3.1 is fixedly connected with turning axle 4, second bending part 3.2 is adaptive corresponding with pointer position limiting structure 7, the middle-end of the 3rd bending part 3.3 contacts with pointer supporting construction 8, first bending part 3.1 is arranged in mutually vertical with the axis of turning axle 4, second bending part 3.2 is arranged in parallel with the axis of turning axle 4, 3rd bending part 3.3 and index dial 5 are in arranged in parallel, it be two is column construction arranged in parallel with turning axle 4 axis direction that pointer position limiting structure arranges 7, column construction is symmetricly set in the both sides of turning axle 4, column construction and the second bending part 3.2 are in parallel corresponding in the axial direction, pointer supporting construction 8 is set to be circular shape with turning axle 4 axis for the center of circle and be fixed on the triangle bulge-structure on index dial 5, triangle bulge-structure forms point cantact away from the angular vertex of index dial 5 and the middle-end of the 3rd bending part 3.3.
In a particular embodiment, the pointer position limiting structure 7 corresponding with turning axle 4 is provided with in housing 1, can by pointer position limiting structure 7 to pointer 3 position-limiting actions near turning axle 4 position, once the electric current that indicator type current meter is measured exceedes regulation range, then pointer 3 can be forced spacing at pointer position limiting structure 7 place, the front end of pointer 3 is avoided to hit the madial wall of housing 1, cause pointer 3 flexural deformation, and then there is mechanical zero deviation, make pointer 3 cannot accurate reading and zeroing, affect accuracy and the normal usage function of indicator type current meter, pointer supporting construction 8 is provided with between index dial 5 and pointer 3, pointer 3 can be supported by pointer supporting construction 8, avoid pointer 3 in use due to Joint failure, cause pointer 3 to connect to loosen, make pointer 3 take and drop on index dial 5, there is excessive frictional resistance, and then there is mechanical zero deviation, make pointer 3 cannot accurate reading and zeroing, affect accuracy and the normal usage function of indicator type current meter, pointer 3 is set to comprise the first bending part 3.1, second bending part 3.2 and the 3rd bending part 3.3, and the first bending part 3.1 is fixedly connected with turning axle 4, second bending part 3.2 is adaptive corresponding with pointer position limiting structure 7, the middle-end of the 3rd bending part 3.3 contacts with pointer supporting construction 8, realize pointer 3 and coordinate turning axle 4, realize controlling deixis under electromagnetic induction effect, the size measuring electric current is specialized, conversion to be presented on index dial 5 and to be indicated by pointer 3, the setting of the first bending part 3.1 is to ensure the validity that pointer 3 is connected with turning axle 4, the setting of the second bending part 3.2 is to ensure that pointer 3 can not cause flexural deformation accidentally because of use, affect accurate instruction reading and the normal usage function of reometer, the setting of the 3rd bending part 3.3 is to ensure that pointer 3 will cause pointer 3 to be taken because of Joint failure and drop on index dial 5, affect accurate instruction reading and the normal usage function of reometer, arranged in mutually vertical with the axis of turning axle 4 by the first bending part 3.1, the validity that further guarantee pointer 3 is connected with turning axle 4, improve the precision rotating instruction, second bending part 3.2 is arranged in parallel with the axis of turning axle 4, to improve the spacing area with pointer position limiting structure 7, improve contact strength, further guarantee pointer 3 can not cause flexural deformation accidentally because of use, affect accurate instruction reading and the normal usage function of reometer, 3rd bending part 3.3 and index dial 5 are in arranged in parallel, in order to improve the validity of pointer 3 and pointer supporting construction 8 support and connection, further guarantee pointer 3 will cause pointer 3 to be taken because of Joint failure dropping on index dial 5, affect accurate instruction reading and the normal usage function of reometer, be column construction arranged in parallel by pointer position limiting structure 7 being set to two with turning axle 4 axis direction, column construction is symmetricly set in the both sides of turning axle 4, column construction and the second bending part 3.2 are in parallel corresponding in the axial direction, improve the accuracy of the limit function of pointer position limiting structure 7, can carry out spacing to pointer 3 in the two directions, ensure that pointer 3 using function is stablized, when there is position-limiting action in column construction and the second bending part 3.2 simultaneously, linear contact lay between the two, the corresponding compressive strength strengthening the second bending part 3.2, ensure that pointer 3 can not cause flexural deformation accidentally because of use, affect accurate instruction reading and the normal usage function of reometer, by pointer supporting construction 8 being set to be circular shape with turning axle 4 axis for the center of circle and be fixed on the triangle bulge-structure on index dial 5, triangle bulge-structure forms point cantact away from the angular vertex of index dial 5 and the middle-end of the 3rd bending part 3.3, both realized pointer supporting construction 8 all the time with end in contact in the 3rd bending part 3.3 of pointer 3, pointer 3 can not be taken and drop on index dial 5, simultaneously triangle bulge-structure be arranged so that form point cantact between the 3rd bending part 3.3 and angular vertex, decrease both rubbing contact areas, ensure the validity that pointer 3 deflects, there will not be deflection catching phenomenon, ensure that pointer 3 will cause pointer 3 to be taken because of Joint failure and drop on index dial 5, affect accurate instruction reading and the normal usage function of reometer.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and 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 (5)
1. an indicator type current meter, comprise housing, transparent plastic sheet, pointer and turning axle, described housing is provided with installation chamber, described transparent plastic sheet is connected to the upper end of described installation chamber, index dial is provided with in described installation chamber, described index dial offers circular hole, described turning axle is arranged in described circular hole, described turning axle is connected with described pointer, described pointer is arranged at the top of described index dial, it is characterized in that: in described housing, be provided with the pointer position limiting structure corresponding with described turning axle, pointer supporting construction is provided with between described index dial and described pointer.
2. indicator type current meter according to claim 1, it is characterized in that: described pointer comprises the first bending part, the second bending part and the 3rd bending part, described first bending part is fixedly connected with described turning axle, described second bending part is adaptive corresponding with described pointer position limiting structure, and the middle-end of described 3rd bending part contacts with described pointer supporting construction.
3. indicator type current meter according to claim 2, it is characterized in that: described first bending part is arranged in mutually vertical with the axis of described turning axle, the axis of described second bending part and described turning axle is arranged in parallel, and described 3rd bending part and described index dial are arranged in parallel.
4. indicator type current meter according to claim 3, it is characterized in that: it is column construction arranged in parallel that described pointer position limiting structure is set to two with described rotating shaft axis direction, described column construction is symmetricly set in the both sides of described turning axle, and described column construction and described second bending part are in parallel corresponding in the axial direction.
5. indicator type current meter according to claim 4, it is characterized in that: described pointer supporting construction is set to be circular shape with described rotating shaft axis for the center of circle and be fixed on the triangle bulge-structure on described index dial, and described triangle bulge-structure forms point cantact away from the angular vertex of described index dial and the middle-end of described 3rd bending part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407717.3U CN204028200U (en) | 2014-07-22 | 2014-07-22 | A kind of indicator type current meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407717.3U CN204028200U (en) | 2014-07-22 | 2014-07-22 | A kind of indicator type current meter |
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| Publication Number | Publication Date |
|---|---|
| CN204028200U true CN204028200U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420407717.3U Expired - Fee Related CN204028200U (en) | 2014-07-22 | 2014-07-22 | A kind of indicator type current meter |
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| CN (1) | CN204028200U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106343831A (en) * | 2016-10-27 | 2017-01-25 | 贺鹏 | Rotary display platform and rotary display equipment |
| CN109507475A (en) * | 2018-12-24 | 2019-03-22 | 彭希南 | Wind power plant numerical indexes formula ammeter based on Zigbee WLAN |
| CN109596882A (en) * | 2018-12-24 | 2019-04-09 | 彭希南 | A kind of photovoltaic generating system voltmeter |
| CN116649870A (en) * | 2023-07-25 | 2023-08-29 | 湖南省华芯医疗器械有限公司 | Endoscope handle and endoscope |
-
2014
- 2014-07-22 CN CN201420407717.3U patent/CN204028200U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106343831A (en) * | 2016-10-27 | 2017-01-25 | 贺鹏 | Rotary display platform and rotary display equipment |
| CN109507475A (en) * | 2018-12-24 | 2019-03-22 | 彭希南 | Wind power plant numerical indexes formula ammeter based on Zigbee WLAN |
| CN109596882A (en) * | 2018-12-24 | 2019-04-09 | 彭希南 | A kind of photovoltaic generating system voltmeter |
| CN116649870A (en) * | 2023-07-25 | 2023-08-29 | 湖南省华芯医疗器械有限公司 | Endoscope handle and endoscope |
| CN116649870B (en) * | 2023-07-25 | 2023-10-27 | 湖南省华芯医疗器械有限公司 | Endoscope handle and endoscope |
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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 |
Granted publication date: 20141217 Termination date: 20150722 |
|
| EXPY | Termination of patent right or utility model |