CN205981301U - Indicate angle adjustable pointer subassembly - Google Patents
Indicate angle adjustable pointer subassembly Download PDFInfo
- Publication number
- CN205981301U CN205981301U CN201621046753.7U CN201621046753U CN205981301U CN 205981301 U CN205981301 U CN 205981301U CN 201621046753 U CN201621046753 U CN 201621046753U CN 205981301 U CN205981301 U CN 205981301U
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- CN
- China
- Prior art keywords
- pointer
- driving part
- axle sleeve
- slave unit
- needle pivot
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Abstract
The utility model discloses an indicate angle adjustable pointer subassembly relates to dial plate technical field. Indicate angle adjustable pointer subassembly includes pointer, needle pivot cover and overlaps and establish the pointer seat of sheatheeing in at needle pivot, needle pivot cover detachably cover is established on needle pivot, the pointer cover is established needle pivot puts in, in the time spent of doing that does not receive external force, pointer and the synchronous rotation of needle pivot cover, the pointer subassembly still includes transmission structure, transmission structure includes driving part and driven part, the driving part with the driven part cooperation does driven part provides power, and driven part fixes needle pivot sheathes in, just driven part's rotation axis with the dead in line of needle pivot cover. The utility model discloses frequent not hard up holding screw has been solved to the structure, becomes flexible, compresses tightly the problem that the needle pivot cover very easily damaged repeatedly, has improved pointer service life of assemblies, has improved the accuracy that the instrument was instructed simultaneously, and instrument work is stable more, reliable.
Description
Technical field
This utility model is related to dial plate technical field, more particularly, to a kind of instruction angle settable pointer assembly.
Background technology
Spinner flowmeter calculates the device of flow by measuring the position of the magnetic float in direct current pipeline.Spinner
In meter, indicating hand component and needle pivot are combined into one, and using magnetic coupling principle, the linear motion up and down of magnetic float are changed into pointer
The rotational motion of axle, thus driving indicating hand component to rotate, the rate-of flow of measurement pipe is flow through in pointer instruction.
During actual instrument uses, the reasons such as all standing, pipeline medium flowing instability are suddenly opened due to pipeline valve and makes
Become significantly acutely swinging of pointer, and collide with pointer stop, cause pointer to be also easy to produce pine with the cooperation of pointer axle sleeve
Move, come off, pointer axle sleeve and needle pivot cooperation are also easy to produce loosening, and fastening effect is undesirable, thus pointer produces null offset, send out
Raw misregister phenomenon, needs pointer is carried out with zeroing check and correction.
Domestic at present, external indicating hand component primary structure is as Figure 1-3：Mainly include pointer 1 ＇, pointer axle sleeve 2 ＇, refer to
Needle stand 3 ＇, holding screw 4 ＇, pointer 1 ＇ is set on pointer axle sleeve 2 ＇, and pointer 1 ＇ and pointer axle sleeve 2 ＇ riveting be at C,
Pointer axle sleeve 2 ＇ is compressed by the screw-in of holding screw 4 ＇ coordinating with hand rest 3 ＇, so that pointer axle sleeve 2 ＇ is deformed thus compression with
Cooperation needle pivot.When this kind of structure is returned to zero, can only be by loosening holding screw 4 ＇ so that pointer axle sleeve 2 ＇ and finger
Relatively rotate by a certain angle between needle shaft, after completing zeroing, re-secure holding screw 4 ＇.So repeated multiple times, pointer axle sleeve 2 ＇
Easily damage.Thus maintenance, replacing indicating hand component phenomenon frequently occur during instrument assembling production, onsite application, increase
Production and use cost.
Utility model content
The purpose of this utility model is to propose a kind of instruction angle settable pointer assembly, solves existing indicating hand component zero
The problem of the pointer axle sleeve easily damage that point check and correction causes.
For reaching this purpose, this utility model employs the following technical solutions：
A kind of instruction angle settable pointer assembly, described indicating hand component includes：Pointer, pointer axle sleeve and be set in described
The hand rest that needle pivot puts, described pointer axle sleeve is removably set on needle pivot, and described pointer is set in described pointer
On axle sleeve, when not acted on by external force, described pointer and described pointer axle sleeve synchronous axial system, described indicating hand component also includes passing
Dynamic structure, described drive mechanism includes driving part and slave unit, and described driving part and described slave unit coordinate for institute
Stating slave unit provides power, and described slave unit is fixed on described needle pivot and puts, and the rotation axiss of described slave unit
Dead in line with described pointer axle sleeve.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, described driving part and slave unit are
Gear, described driving gear drives described driven gear to rotate.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, described driving part and slave unit are
External gear pump.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, described driving part passes through the first rivet peace
It is contained on described pointer, described first rivet is rotatably located on described pointer, described first rivet is near driving part
The riveting of one end and described driving part be integrated.
A kind of preferred version, described slave unit and described pointer axle sleeve as above-mentioned instruction angle settable pointer assembly
Riveting is integrated.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, it is provided with tight in the side wall of described hand rest
Determine screw, the side wall and pressure of described pointer axle sleeve is located on described needle pivot described holding screw.Described pointer axle sleeve is by tightening
It is fastened as a whole by screw with needle pivot.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, described indicating hand component also includes the first pointer
Pad and the second pointer pad, described first pointer pad is pressed in described pointer by described pointer axle sleeve and described first rivet
Upper surface, described second pointer pad is pressed in the lower surface of described pointer by described slave unit and driving part.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, riveting on described pointer has the second rivet,
It is folded with described first pointer pad, described first pointer pad is adopted with described pointer between described second rivet and described pointer
It is integrated with solid rivet riveting.
As a kind of preferred version of above-mentioned instruction angle settable pointer assembly, described drive mechanism also includes transition piece,
Described transition piece is located between described driving part and slave unit, and the power of described driving part is passed to slave unit.
The beneficial effects of the utility model：The utility model proposes instruction angle settable pointer assembly, pointer and pointer
Axle sleeve relative motion produces null offset, when there is misregister phenomenon, keeps pointer 1 static, actively under external force
The rotation of part drives slave unit to rotate, thus driving the pointer axle sleeve rotation being fastened together with needle pivot, by pointer phase
Pointer axle sleeve turned an angle, reach the purpose of zeroing, it is to avoid of the prior art loosen, the step of fastening holding screw
Suddenly, prevent trip bolt repeatedly elastic backpointer boss failure, saved maintenance cost, time, improve indicating hand component and use
In the life-span, improve the accuracy of instrument instruction, instrumentation is more stable, reliable simultaneously.
Brief description
Fig. 1 is the structural representation of the indicating hand component of prior art；
Fig. 2 is the profile along line A-A in Fig. 1；
Fig. 3 is the profile along line B-B in Fig. 1；
Fig. 4 is the pointer adjustable angle indicating hand component architecture schematic diagram that this utility model specific embodiment provides.
Fig. 5 is the profile of the line D-D in Fig. 4；
Fig. 6 is the profile along E-E line in Fig. 4.
In figure：1 ＇, pointer；2 ＇, pointer axle sleeve；3 ＇, hand rest；4 ＇, holding screw；1st, pointer；2nd, pointer axle sleeve；3rd, refer to
Needle stand；4th, holding screw；5th, drive mechanism；6th, driving part；7th, slave unit；8th, the first rivet；9th, the second rivet；10th,
One pointer pad；11st, the second pointer pad.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
As Figure 4-Figure 6, a kind of instruction of present embodiment protection angle settable pointer assembly mainly includes：Pointer 1, pointer
Axle sleeve 2, hand rest 3, drive mechanism 5.Pointer 1 and hand rest 3 are respectively sleeved on pointer axle sleeve 2, and pointer axle sleeve 2 is removably
It is set on needle pivot, drive mechanism 5 includes driving part 6 and slave unit 7, driving part 6 is coordinated with slave unit 7, its
Middle driving part 6 and slave unit 7 can be gear, and the kind of drive is driven for external gear pump, and driving part 6 is follower
Part 7 provides power.Driving part 6 is arranged on pointer 1 by the first rivet 8, and the first rivet 5 is tubular rivet, easy to operate,
Rotatably it is located on pointer 1, the first rivet 8 is integrated with driving part 6 riveting near one end of driving part 6；Driven
Part 7 and pointer axle sleeve 2 riveting be integrated and the rotation axiss of slave unit 7 and pointer axle sleeve 2 dead in line.Hand rest 3
Side wall in be provided with holding screw 4, the side wall and pressure of pointer axle sleeve 2 is located on needle pivot holding screw 4.Pointer axle sleeve 2 by
It is fastened as a whole by holding screw 4 with needle pivot.When not acted on by external force, pointer 1 and pointer axle sleeve 2 synchronous axial system.
Indicating hand component also includes the first pointer pad 10 and the second pointer pad 11, and the first pointer pad 10 passes through needle pivot
Set 2 and the first rivet 8 are pressed in the upper surface of pointer 1, and the second pointer pad 11 passes through driving part 6 and slave unit 7 is pressed in finger
The lower surface of pin 1.On pointer 1, riveting has the second rivet 9, is folded with the first pointer pad 10 between the second rivet 9 and pointer 1,
First pointer pad 10 can be solid rivet with the second rivet 9 of pointer 1 riveting.First pointer pad 10 and the second pointer pad
11 setting reduces cost, increases pointer 1 and the firm contact area of the first pointer pad 10, the second pointer pad 11,
Effectively prevent the abrasion of pointer, the first pointer pad 10, the second pointer pad 11 can also be elastomeric pad, have locking work(
Can, prevent from loosening between pointer 1 and pointer axle sleeve 2.
Pointer 1 produces null offset, when there is misregister phenomenon, keeps pointer 1 static under external force, rotation
Driving part 6 drives slave unit 7 to rotate, thus driving the pointer axle sleeve 2 being fastened together with needle pivot to rotate, pointer 1 phase
Pointer axle sleeve 2 is turned an angle, thus in the case of without loosening holding screw 4, you can reach the purpose of zeroing, it is to avoid
Loosen in prior art, fasten holding screw, prevent multi-pass operation backpointer boss failure, saved maintenance cost, time, carried
High indicating hand component service life, improves the accuracy of instrument instruction, instrumentation is more stable, reliable simultaneously.
Driving part 6 and slave unit 7 can also select sprocket wheel, pass through chain drive between sprocket wheel.Using chain drive,
Can by the centre-to-centre spacing between driving part 6 and slave unit 7 farther out in the case of transmitting movement and power；Ensure that accurately
Gear ratio.
The driving part 6 of drive mechanism and slave unit 7 can also distinguish belt pulley, and the kind of drive is belt transmission.
Driving part 6 and slave unit 7 can also be rack and pinion, and the kind of drive is rack pinion.Specifically adopt
Which kind of, with driving part and the slave unit of version, it is determined as the case may be.
Transition piece can also be included for above-mentioned various forms of drive mechanisms, transition piece is located at driving part and follower
Between part, the power of driving part is passed to slave unit.For example, when driving part and slave unit are respectively gear,
Transition piece is at least one gear.
Note, above are only preferred embodiment of the present utility model.It will be appreciated by those skilled in the art that this utility model is not
It is limited to specific embodiment described here, various obvious changes can be carried out for a person skilled in the art, readjust
With replacement without departing from protection domain of the present utility model.Therefore although being carried out to this utility model by above example
It is described in further detail, but this utility model is not limited only to above example, conceive without departing from this utility model
In the case of, other Equivalent embodiments more can also be included, and scope of the present utility model is determined by scope of the appended claims
Fixed.
Claims (9)
1. a kind of instruction angle settable pointer assembly is it is characterised in that described indicating hand component includes：Pointer (1), pointer axle sleeve
(2) and be set in hand rest (3) on described pointer axle sleeve (2), described pointer axle sleeve (2) is removably set in needle pivot
On, described pointer (1) is set on described pointer axle sleeve (2), when not acted on by external force, described pointer (1) and described finger
Needle shaft set (2) synchronous axial system, described indicating hand component also includes drive mechanism (5), and described drive mechanism (5) includes driving part
(6) and slave unit (7), described driving part (6) and described slave unit (7) coordinate provide for described slave unit (7) dynamic
Power, described slave unit (7) is fixed on described pointer axle sleeve (2), and the rotation axiss of described slave unit (7) and described finger
The dead in line of needle shaft set (2).
2. according to claim 1 instruction angle settable pointer assembly it is characterised in that described driving part (6) and from
Dynamic component (7) is gear, and described driving part (6) drives described slave unit (7).
3. according to claim 2 instruction angle settable pointer assembly it is characterised in that described driving part (6) and from
Dynamic component (7) is external gear pump.
4. instruction angle settable pointer assembly according to claim 3 is it is characterised in that described driving part (6) passes through
First rivet (8) is arranged on described pointer (1), and described first rivet (8) is rotatably located on described pointer (1), institute
State the first rivet (8) to be integrated with described driving part (6) riveting near one end of described driving part (6).
5. instruction angle settable pointer assembly according to claim 4 is it is characterised in that described slave unit (7) and institute
State pointer axle sleeve (2) riveting to be integrated.
6. instruction angle settable pointer assembly according to claim 1 is it is characterised in that the side wall of described hand rest (3)
Inside it is provided with holding screw (4), the side wall and pressure of described pointer axle sleeve (2) is located on described needle pivot described holding screw (4).
7. the instruction angle settable pointer assembly according to claim 4 or 5 is it is characterised in that described indicating hand component also wraps
Include the first pointer pad (10) and the second pointer pad (11), described first pointer pad (10) passes through described pointer axle sleeve (2)
It is pressed in the upper surface of described pointer (1) with described first rivet (8), described second pointer pad (11) passes through described driving part
And slave unit (7) is pressed in the lower surface of described pointer (1) (6).
8. instruction angle settable pointer assembly according to claim 7 is it is characterised in that the upper riveting of described pointer (1) has
Second rivet (9), is folded with described first pointer pad (10) between described second rivet (9) and described pointer (1), and described
One pointer pad (10) is integrated using solid rivet riveting with described pointer (1).
9. instruction angle settable pointer assembly according to claim 1 was it is characterised in that described drive mechanism also included
Cross part, described transition piece is located between described driving part and slave unit, the power of described driving part is passed to driven
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046753.7U CN205981301U (en) | 2016-09-09 | 2016-09-09 | Indicate angle adjustable pointer subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046753.7U CN205981301U (en) | 2016-09-09 | 2016-09-09 | Indicate angle adjustable pointer subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981301U true CN205981301U (en) | 2017-02-22 |
Family
ID=58040546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046753.7U Expired - Fee Related CN205981301U (en) | 2016-09-09 | 2016-09-09 | Indicate angle adjustable pointer subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779429A (en) * | 2019-09-30 | 2020-02-11 | 安徽省儿童医院 | Hospital bed lifting angle measuring device convenient for reading |
| CN113086239A (en) * | 2021-04-15 | 2021-07-09 | 四川亚美动力技术有限公司 | Method for assembling pointer assembly of aviation instrument |
-
2016
- 2016-09-09 CN CN201621046753.7U patent/CN205981301U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779429A (en) * | 2019-09-30 | 2020-02-11 | 安徽省儿童医院 | Hospital bed lifting angle measuring device convenient for reading |
| CN113086239A (en) * | 2021-04-15 | 2021-07-09 | 四川亚美动力技术有限公司 | Method for assembling pointer assembly of aviation instrument |
| CN113086239B (en) * | 2021-04-15 | 2022-09-20 | 四川亚美动力技术有限公司 | Machining and assembling method for pointer assembly of aviation instrument |
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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: 20170222 Termination date: 20170909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |