CN102853861B - Pointer instrument accessory - Google Patents
Pointer instrument accessory Download PDFInfo
- Publication number
- CN102853861B CN102853861B CN201210144950.2A CN201210144950A CN102853861B CN 102853861 B CN102853861 B CN 102853861B CN 201210144950 A CN201210144950 A CN 201210144950A CN 102853861 B CN102853861 B CN 102853861B
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- Prior art keywords
- pointer
- upper limit
- lower limit
- installation portion
- locking member
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a pointer instrument accessory, relating to the field of detecting instruments. The pointer instrument accessory comprises an installing part, a pointer fixed assembly, an upper limit pointer and a lower limit pointer, wherein the installing part is a transparent body, and the upper limit pointer and the lower limit pointer are non-transparent bodies; the pointer fixed assembly comprises a pointer fixed column and a pointer locking component; and one end of the pointer fixed column is fixedly connected with the installing part, one ends of the upper limit pointer and the lower limit pointer are connected with the pointer fixed column, and the pointer locking component locks and fixes the upper limit pointer and the lower limit pointer which are adjusted on the pointer fixed column. The pointer instrument accessory disclosed by the invention has the advantages that instrument observation and monitoring personnel can observe whether an instrument pointer is located in a required normal operating range without being close to the surface of an instrument panel, therefore, the observation operation convenience and safety are high.
Description
Technical field
The present invention relates to measuring instrument field, especially relate to a kind of pointer instrument.
Background technology
Pointer instrument be use in real production practices history at most, usable range examination and controlling instrument widely, total class is a lot, includes the various instrument for parameters such as detected pressures, temperature and diameter run-outs.In production run, observation monitor will check the ambulatory of gauge pointer at regular intervals, not change to check gauge pointer within the bound position of production technology setting.Existing pointer instrument usually needs observation monitor to approach panel board surface just can obtain observations accurately.But because of the layout of production scene instrument, determine according to the demand of site technique and equipment often.The position too high (the air pressure monitor table of such as weld car factory) that some instrument is arranged, observation monitor often needs to climb to a higher point and just can approach observation, and observation operational security is poor; Or the particular surroundings due to production scene makes observation monitor be (the pressure monitor table in such as application factory paint spray booth) that cannot enter at any time, cause observation monitor to be difficult to approach observation, be therefore difficult to obtain observed result accurately; Or due to production scene particular surroundings (monitoring form of the flow of the injection in such as rain room, due to the personnel of the very large spot check of steam often need to approach wiping after could observe), even if observation personnel have approached also be difficult to observation accurately.Therefore, there is the shortcoming that observation operation convenience is poor, security is low in existing pointer instrument.
Summary of the invention
The present invention mainly provides a kind of can adding to be installed on existing pointer instrument, to improve the existing pointer instrument observation convenience of operation and the pointer instrument accessory of security.
The present invention's technical scheme used is: a kind of pointer instrument accessory, comprises installation portion, pointer fixation kit, upper limit pointer and lower limit pointer; Installation portion is the transparent body, and upper limit pointer and lower limit pointer are opaque body; Pointer fixation kit comprises pointer fixed leg and pointer locking member; Pointer fixed leg one end and installation portion are connected, and upper limit pointer is connected with pointer fixed leg with one end of lower limit pointer, and pointer locking member is locked the upper limit pointer and lower limit pointer adjusting position on pointer fixed leg.
During use, installation portion is fixed in instrument, inner side edge according to production technology adjustment upper limit pointer aligns with the higher limit of monitored parameter, and the inner side edge of adjustment lower limit pointer aligns with the lower limit of monitored parameter, and pointer locking member is fixed on bound pointer on working position.During normal operating conditions, gauge pointer should between the inner side edge of bound pointer.As long as observation monitor stands on correct observation position, meter panel need not be approached and just can observe gauge pointer whether between the inner side edge of bound pointer, therefore observation operation convenience and security high.
As preferably, installation portion is a disc type device, and its diameter is slightly less than the diameter of pointer instrument dial plate.This preferred version, during installation, installation portion and pointer instrument dial plate adopt double faced adhesive tape or glue to be glued together, and the pointer instrument scope be suitable for is wide.
As another kind of preferred version, installation portion is a U-shaped element, the internal diameter of the sidewall of this U-shaped element and the shell adaptation of pointer instrument.This preferred version, installation portion is nested with and is fixed on the shell of pointer instrument, and during installation, location is easily, quick and easy for installation.
As preferably, the sidewall of U-shaped element is provided with at least one screw.This preferred version, installation portion is nested with and is fixed on the shell of pointer instrument, simultaneously strengthen fixed effect with holding screw again, installation portion and pointer instrument to be fixedly connected with reliability high, can effectively prevent machine vibration from causing the skew of installation portion and pointer instrument fixed position.
As preferably, upper limit pointer is fixed the relative other end in connected one end at it and pointer and is provided with the clubfoot being folded to installation portion; Lower limit pointer is fixed the relative other end in connected one end at it and pointer and is provided with the clubfoot being folded to installation portion.Like this, the free end of clubfoot can press close to the meter panel of pointer instrument as far as possible.This preferred version, is conducive to the fixed position fast determining bound pointer exactly as requested, improves the accuracy of observation.
As preferably, pointer fixed leg comprises needle locating post and pointer articulated column, and needle locating post is coaxially connected with pointer articulated column; Pointer fixed leg and the connected end of installation portion are located at needle locating post and are connected with pointer articulated column the relative other end in one end, and the pointer articulated column relative other end in one end that is connected with needle locating post is provided with one section of locking member connecting thread; Described pointer locking member is provided with the screw with locking member connecting thread adaptation; Upper limit pointer is provided with the pointer connecting hole with pointer articulated column adaptation with lower limit pointer in one end that they are connected with pointer fixed leg, and upper limit pointer and lower limit pointer are nested with on pointer articulated column by pointer connecting hole successively; Pointer locking member is threaded with locking member connecting thread set on pointer articulated column, and pointer locking member is tightly resisted against in the respective surfaces of corresponding upper limit pointer or lower limit pointer near one end of installation portion.Here " successively " described in " upper limit pointer and lower limit pointer are nested with on pointer articulated column successively by pointer connecting hole ", can be that upper limit pointer is first nested with, be nested with after lower limit pointer, now pointer locking member be resisted against lower limit pointer respective surfaces on and bound pointer is fixed; Also can be that lower limit pointer is first nested with, be nested with after upper limit pointer, now pointer locking member be resisted against upper limit pointer respective surfaces on and bound pointer is fixed.This preferred version, structure is simple, and bound pointer position regulates and fixing operation is easy, good reliability.
As preferably, between the upper limit pointer of pointer locking member and correspondence or the respective surfaces of lower limit pointer, be provided with the circular ring type flexible member be nested with on pointer articulated column.Here, when upper limit pointer be first nested with, be nested with on pointer articulated column after lower limit pointer time, circular ring type flexible member is between lower limit pointer respective surfaces and pointer locking member; When lower limit pointer be first nested with, be nested with on pointer articulated column after the upper limit pointer time, circular ring type flexible member is between upper limit pointer respective surfaces and pointer locking member.Described circular ring type flexible member can be elastomeric pad, can be also the flexible members such as elastic rubber ring, play locking effect.This preferred version, bound pointer position regulates and fixing operation is easy, good reliability.
As preferably, described pointer instrument accessory is also provided with pointer protective cover, and described pointer protective cover is made up of transparent material, and upper limit pointer and lower limit pointer are between installation portion and pointer protective cover.This preferred version, can prevent bound pointer from surprisingly being touched from working position by staff, pointer instrument accessory dependability is high.
In sum, the beneficial effect brought of the present invention is: if observation monitor stand on correct observation position, need not approach meter panel just can observe gauge pointer whether be positioned at setting perform region can, observe operation convenience and security high.Structure of the present invention is simple, manufacture and maintenance cost low, it is easy to install, and dependability is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the structural representation of lower limit pointer;
Fig. 4 is the C direction view of Fig. 3;
Fig. 5 is the structural representation of upper limit pointer;
Fig. 6 is the B direction view of Fig. 5;
Fig. 7 is the structural representation of pointer fixed leg;
Fig. 8 is the structural representation of the embodiment of the present invention two;
Fig. 9 is the A-A cut-open view of Fig. 8.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment one:
As shown in Figure 1, 2, the present invention includes installation portion 1, pointer fixation kit 2, upper limit pointer 3, lower limit pointer 4, circular ring type flexible member 2.3 and pointer protective cover 5.Installation portion 1 is a transparent disc shaped element part, and its diameter is slightly less than the diameter of pointer instrument dial plate, and disc type device center is provided with a fixation kit pilot hole.During installation, disc periphery adopts the dial plate of double faced adhesive tape or glue and pointer meters to be glued together.Pointer fixation kit 2 comprises pointer fixed leg 2.1 and pointer locking member 2.2.Upper limit pointer 3 is connected with pointer fixed leg 2.1 with one end of lower limit pointer 4.Pointer locking member 2.2 is locked the upper limit pointer 3 and lower limit pointer 4 adjusting position on pointer fixed leg 2.1.
As shown in Figure 7, pointer fixed leg 2.1 comprises needle locating post 2.1.1 and pointer articulated column 2.1.2, and needle locating post 2.1.1 is coaxially connected with pointer articulated column 2.1.2.Pointer fixed leg 2.1 and the connected end of installation portion 1 are located at needle locating post 2.1.1 and are connected with pointer articulated column 2.1.2 the relative other end in one end, and one end that needle locating post 2.1.1 is connected with installation portion 1 is provided with the positioning convex 2.1.3 with fixation kit pilot hole adaptation set by installation portion 1 center.Positioning convex 2.1.3 is plugged on fixation kit pilot hole set by installation portion 1 center, needle locating post 2.1.1 and installation portion 1 cemented together.The pointer articulated column 2.1.2 relative other end in one end that is connected with needle locating post 2.1.1 is provided with one section of locking member connecting thread.Described pointer locking member 2.2 is provided with the screw with locking member connecting thread adaptation, and pointer locking member 2.2 is threaded with locking member connecting thread set on pointer articulated column 2.1.2.
As shown in Figure 3, Figure 4, lower limit pointer 4 is made up of opaque plate (corrosion resistant plate or hard plastic board), its one end be connected with pointer articulated column 2.1.2 is provided with the pointer connecting hole 4.2 with pointer articulated column 2.1.2 adaptation, and the other end is provided with the clubfoot 4.3 being folded to installation portion 1; As shown in Figure 5, Figure 6, upper limit pointer 3 is made up of opaque plate (corrosion resistant plate or hard plastic board), its one end be connected with pointer articulated column 2.1.2 is provided with the pointer connecting hole 3.2 with pointer articulated column 2.1.2 adaptation, and the other end is provided with the clubfoot 3.3 being folded to installation portion 1.Upper limit pointer 3 and lower limit pointer 4 are connected with pointer fixed leg 2.1 to hold to be nested with successively by corresponding pointer connecting hole 3.3,4.3 and (can first overlap by upper limit pointer 3, also can first overlap by lower limit pointer 4, the present embodiment is that lower limit pointer first overlaps, correspondingly the length of clubfoot 3.3 is slightly longer than the length of clubfoot 4.3) on pointer articulated column 2.1.2, thus realize the connection of upper limit pointer 3 and lower limit pointer 4 and pointer fixed leg 2.1.The location of adjustment as required of bound pointer position, then is directly tightly resisted against away from the respective surfaces of that pointer of installation portion 1 is fixed on working position bound pointer in upper limit pointer 3 and lower limit pointer 4 two pointers with the inner end of pointer locking member 2.2, also as the present embodiment, some transition pieces can be set between the inner end of pointer locking member 2.2 and corresponding pointer surface.Circular ring type flexible member 2.3 and pointer protective cover 5 two transition pieces are provided with between the inner end of the present embodiment pointer locking member 2.2 and the lateral surface of upper limit pointer 3.Wherein circular ring type flexible member 2.3 is for make elastic rubber ring by elastic caoutchouc, and pointer protective cover 5 is be provided with the transparent disc with the circular hole of pointer articulated column 2.1.2 clearance fit in the middle of one; Circular ring type flexible member 2.3 is between upper limit pointer 3 and pointer protective cover 5.Therefore, upper limit pointer 3 and lower limit pointer 4 are between installation portion 1 and pointer protective cover 5, and pointer protective cover 5 pairs of bound pointers play protective action, can prevent staff from surprisingly bound pointer is touched from working position.Circular ring type flexible member 2.3 can prevent pointer locking member 2.2 and being threaded of pointer articulated column 2.1.2 from occurring getting loose, and improves dependability of the present invention; As long as exit being threaded of some pointer locking members 2.2 and pointer articulated column 2.1.2 simultaneously, just can adjust the position of bound pointer, bound pointer position regulates and fixing operation is easy, good reliability.
During use, observation personnel line up, and just can could determine unlike the meter panel that must approach pointer instrument as prior art to observe and know whether gauge pointer 6 is in the working range of requirement.When observation personnel see that the pointer 6 of pointer instrument is in the region determined between the inner side edge 3.1 of upper limit pointer and the inner side edge 4.1 of lower limit pointer, show that the parameter that pointer instrument is surveyed is in normal range of operation.When observation personnel see in the region that the pointer 6 of pointer instrument is not determined between the inner side edge 3.1 of upper limit pointer and the inner side edge 4.1 of lower limit pointer, such as, when being covered by bound pointer and can't see, the parameter drift-out that pointer instrument is surveyed normal range of operation is described.Due to observation, monitor need not approach meter panel and just can observe whether gauge pointer is in correct working range, therefore observation operation convenience and security high.
Embodiment two:
As shown in Figure 8, Figure 9, mainly, installation portion 1 is a U-shaped element in the difference of the embodiment of the present invention two and embodiment one, and the internal diameter of this U-shaped element sidewall 1.1 and the shell adaptation of pointer instrument, installation portion 1 tightly cover is fixed on the shell of pointer instrument.The sidewall 1.1 of installation portion 1 is also evenly equipped with three screws 1.2, installation portion 1 is strengthened with not shown holding screw with the connection of pointer instrument shell, effectively can prevent machine vibration from causing the skew of installation portion and pointer instrument fixed position, improve dependability of the present invention.Therefore not to repeat here for the roughly the same part of embodiment two and embodiment one.
The specific embodiment of the above is only the present invention's preferably embodiment, not limits specific embodiment of the invention scope with this.The equivalence change (such as arrange a bulge loop to be connected with the pointer instrument dial plate periphery of one side of the installation portion disk of embodiment one, installation portion disk is glued together by the dial plate of this bulge loop and pointer instrument) that all shapes according to the present invention, structure are done ought to all be included in protection scope of the present invention.
Claims (5)
1. a pointer instrument accessory, is characterized in that: it comprises installation portion (1), pointer fixation kit (2), upper limit pointer (3) and lower limit pointer (4); Installation portion (1) is the transparent body, and upper limit pointer (3) and lower limit pointer (4) are opaque body; Pointer fixation kit (2) comprises pointer fixed leg (2.1) and pointer locking member (2.2); Pointer fixed leg (2.1) one end and installation portion (1) are connected, upper limit pointer (3) is connected with pointer fixed leg (2.1) with one end of lower limit pointer (4), and pointer locking member (2.2) is locked the upper limit pointer (3) and lower limit pointer (4) adjusting position on pointer fixed leg (2.1); Upper limit pointer (3) is provided with at the other end that the connected one end of it and pointer fixed leg (2.1) is relative the clubfoot (3.3) being folded to installation portion (1); Lower limit pointer (4) is provided with at the other end that the connected one end of it and pointer fixed leg (2.1) is relative the clubfoot (4.3) being folded to installation portion (1): pointer fixed leg (2.1) comprises needle locating post (2.1.1) and pointer articulated column (2.1.2), and needle locating post (2.1.1) is coaxially connected with pointer articulated column (2.1.2); Pointer fixed leg (2.1) and the connected end of installation portion (1) are located at needle locating post (2.1.1) and are connected with pointer articulated column (2.1.2) the relative other end in one end, and pointer articulated column (2.1.2) the relative other end in one end that is connected with needle locating post (2.1.1) is provided with one section of locking member connecting thread; Described pointer locking member (2.2) is provided with the screw with locking member connecting thread adaptation; Upper limit pointer (3) and lower limit pointer (4) are provided with the pointer connecting hole adaptive with pointer articulated column (2.1.2) in one end that they are connected with pointer fixed leg (2.1), upper limit pointer (3) and lower limit pointer (4) are nested with on pointer articulated column (2.1.2) by pointer connecting hole successively; Pointer locking member (2.2) is threaded with the upper set locking member connecting thread of pointer articulated column (2.1.2), and pointer locking member (2.2) is tightly resisted against in the respective surfaces of corresponding upper limit pointer (3) or lower limit pointer (4) near one end of installation portion; Be provided with the circular ring type flexible member (2.3) be nested with on pointer articulated column (2.1.2) between the respective surfaces of pointer locking member (2.2) and corresponding upper limit pointer (3) or lower limit pointer (4), described circular ring type flexible member (2.3) is for make elastic rubber ring by elastic caoutchouc.
2. pointer instrument accessory according to claim 1, is characterized in that: installation portion (1) is a disc type device, and its diameter is slightly less than the diameter of pointer instrument dial plate.
3. pointer instrument accessory according to claim 1, is characterized in that: installation portion (1) is a U-shaped element, the internal diameter of the sidewall (1.1) of this U-shaped element and the shell adaptation of pointer instrument.
4. pointer instrument accessory according to claim 3, is characterized in that: the sidewall (1.1) of U-shaped element is provided with at least one screw (1.2).
5. the pointer instrument accessory according to claim 1 or 2 or 3 or 4, it is characterized in that: described pointer instrument accessory is also provided with pointer protective cover (5), described pointer protective cover (5) is made up of transparent material, and upper limit pointer (3) and lower limit pointer (4) are positioned between installation portion (1) and pointer protective cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144950.2A CN102853861B (en) | 2012-05-10 | 2012-05-10 | Pointer instrument accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144950.2A CN102853861B (en) | 2012-05-10 | 2012-05-10 | Pointer instrument accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853861A CN102853861A (en) | 2013-01-02 |
| CN102853861B true CN102853861B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210144950.2A Expired - Fee Related CN102853861B (en) | 2012-05-10 | 2012-05-10 | Pointer instrument accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102853861B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578974A (en) * | 2020-05-21 | 2020-08-25 | 广东电网有限责任公司 | Observation device for pointer instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1723390A (en) * | 1928-05-26 | 1929-08-06 | Fed Products Corp | Cover plate for measuring instruments |
| US2848973A (en) * | 1956-02-28 | 1958-08-26 | Palmer Thermometers Inc | Maximum-minimum pointer assembly |
| CN1186227A (en) * | 1996-12-05 | 1998-07-01 | 克洛纳测量技术公司 | Float flow meter |
| CN1926405A (en) * | 2003-09-08 | 2007-03-07 | 库帕技术公司 | Step voltage regulator polymer position indicator with non-linear drive mechanism |
| CN201983807U (en) * | 2011-01-27 | 2011-09-21 | 辽宁华信精工电力设备有限责任公司 | Meter used device capable of adjusting top and bottom limitation indication |
-
2012
- 2012-05-10 CN CN201210144950.2A patent/CN102853861B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1723390A (en) * | 1928-05-26 | 1929-08-06 | Fed Products Corp | Cover plate for measuring instruments |
| US2848973A (en) * | 1956-02-28 | 1958-08-26 | Palmer Thermometers Inc | Maximum-minimum pointer assembly |
| CN1186227A (en) * | 1996-12-05 | 1998-07-01 | 克洛纳测量技术公司 | Float flow meter |
| CN1926405A (en) * | 2003-09-08 | 2007-03-07 | 库帕技术公司 | Step voltage regulator polymer position indicator with non-linear drive mechanism |
| CN201983807U (en) * | 2011-01-27 | 2011-09-21 | 辽宁华信精工电力设备有限责任公司 | Meter used device capable of adjusting top and bottom limitation indication |
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| Publication number | Publication date |
|---|---|
| CN102853861A (en) | 2013-01-02 |
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Granted publication date: 20150408 Termination date: 20190510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |