CN209590127U - It is a kind of to show clearly digital frequency meter - Google Patents
It is a kind of to show clearly digital frequency meter Download PDFInfo
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- CN209590127U CN209590127U CN201821710459.0U CN201821710459U CN209590127U CN 209590127 U CN209590127 U CN 209590127U CN 201821710459 U CN201821710459 U CN 201821710459U CN 209590127 U CN209590127 U CN 209590127U
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- bar
- display
- digital frequency
- frequency meter
- paper
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Abstract
Clearly digital frequency meter is shown the utility model discloses a kind of, belongs to digital frequency meter technical field.A kind of display clearly digital frequency meter, including body is rotatably connected to display in body, and roll paper bar is rotatably connected in body, and volume has dust-proof paper on roll paper bar, paper drawing bar is slidably connected in body, paper drawing bar is fixedly linked with dust-proof paper one end；The utility model is before digital frequency meter use; by rotating roll paper bar; to which dust-proof paper roll be risen; when digital frequency meter uses; after the completion of operation; by rotating display; it is read after display is turned to suitable position; to guarantee that staff will not misread because angle is incorrect, the accuracy for realizing result ensure that, after the completion of digital frequency meter use; pass through the intracorporal paper drawing bar sliding of machine; to drive dust-proof paper to cover display, so that display be protected not will receive the erosion of dust in placement process, used convenient for next time.
Description
Technical field
The utility model relates to digital frequency meter technical field more particularly to a kind of display clearly digital frequency meters.
Background technique
Digital frequency meter is the instrument using being able to achieve of being made into of digital circuit to the measurement of cyclically-varying signal frequency,
Digital frequency meter often applies in various realizations, for detect sine wave, rectangular wave, triangular wave, etc. waveform frequency values.
Existing digital frequency meter performance is more perfect, but existing digital frequency meter is in use, display screen
It can not adjust, not see the numerical value on clear display because of angle reason so as to cause staff, thus cause to misread, it is right
Experimental result impacts, and existing digital frequency meter is not during using, the device that do not protect to display screen on body,
Dust can be stained with so as to cause in use process by placing display screen for a long time, and display shows unsharp problem, thus a kind of
It can show that clearly digital frequency meter is particularly important.
Utility model content
Purpose of the utility model is to solve the problems of the prior art, and a kind of display proposed is clearly digital
Frequency meter.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of display clearly digital frequency meter, including body is rotatably connected to display, the body in the body
It is inside rotatably connected to roll paper bar, volume has dust-proof paper on the roll paper bar, and paper drawing bar, the paper drawing are slidably connected in the body
Bar is fixedly linked with dust-proof paper one end, and the first turntable, fixed company on first turntable are fixedly connected on the organism sidewall
It is connected to first gear, the first rotating bar and the second rotating bar, first rotating bar are rotatably connected on the body inner wall
It is fixedly linked with display with the second rotating bar, second gear, first tooth is fixedly connected in second rotating bar
Wheel is meshed with the second gear.
Preferably, third rotating bar and the 4th rotating bar, the third rotation are rotatably connected on the body inner roof wall
It is fixedly connected with the first belt pulley on bar, the second belt pulley, first belt pulley are fixedly connected in the 4th rotating bar
It is connected by belt with the second belt pulley, the paper drawing bar is fixedly connected on belt.
Preferably, it is rotatably connected to the second turntable on the organism sidewall, is fixedly connected with fixation on second turntable
Bar, the fixed link are fixedly connected with the first conical gear, fixed company in the 4th rotating bar far from one end of the second turntable
It is connected to the second conical gear, first conical gear is meshed with the second conical gear.
Preferably, it is fixedly connected with connecting plate in the body, sliding slot is offered on the connecting plate, the paper drawing bar is remote
One end from belt is fixedly connected with sliding block, and the sliding block matches with sliding slot.
Preferably, third turntable, roll paper bar one end and third turntable bottom wall are rotatably connected on the body roof
It is fixedly linked, the roll paper bar other end is rotatedly connected with connecting plate.
Compared with prior art, the utility model provides a kind of display clearly digital frequency meter, has following beneficial
Effect:
1, digital frequency meter, in digital frequency meter before use, by rotation roll paper bar, to dust-proof paper roll be risen, In
Digital frequency meter, by rotation display, is read in use, after the completion of operation after display is turned to suitable position, thus
Guarantee that staff will not misread because angle is incorrect, ensure that the accuracy for realizing result, is used in digital frequency meter
After the completion, it is slided by the intracorporal paper drawing bar of machine, to drive dust-proof paper to cover display, so that display be protected to place
It not will receive the erosion of dust in the process, used convenient for next time, when to display register angle, by rotating first turn manually
Disk, to drive the first gear rotation being fixedly connected on the first turntable, first gear will will drive the second tooth engaged
Wheel rotation, by the rotation of second gear, so that the second rotating bar being fixedly linked with second gear is driven to rotate, the second rotation
Bar, which will will drive, is secured to connected display rotation, to complete the adjusting to display, guarantees that staff can be from
Correct angle watches display, to solve the problems, such as that staff misreads because of angle problem.
2, the digital frequency meter, after the completion of digital frequency meter use, by the rotation of the 4th rotating bar, thus drive with
The second pulley rotation that 4th rotating bar is fixedly linked, the second belt pulley will drive the first pulley rotation by belt,
By the rotation of the first belt pulley, so that the third rotating bar rotation being firmly connected with it is driven, to be the sliding of paper drawing bar
Provide power.
3, the digital frequency meter, after the completion of digital frequency meter use, by rotating the second turntable manually, the second turntable will
It will drive and be secured to connected fixed link rotation, fixed link is rotated will drive the first conical gear being firmly connected with it,
First conical gear is rotated will drive the second conical gear engaged, is paper drawing to drive the rotation of the 4th rotating bar
The sliding of bar provides power.
4, digital frequency meter, in the sliding of paper drawing bar, by being fixedly connected on the sliding slot and paper drawing bar that are opened up in body
Sliding block match, to enable the more stable sliding in sliding of paper drawing bar.
5, the digital frequency meter is being needed using numerical frequency timing, by rotating third turntable manually, to drive volume
Paper bar rotation, by the rotation of roll paper bar, so that dust-proof paper be packed up.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of display clearly digital frequency meter structural schematic diagram；
Fig. 2 be the utility model proposes a kind of display clearly digital frequency meter structural schematic diagram；
Fig. 3 be the utility model proposes a kind of display clearly digital frequency meter front view；
Fig. 4 be the utility model proposes a kind of display clearly digital frequency meter schematic diagram of internal structure；
Fig. 5 be the utility model proposes a kind of display clearly digital frequency meter schematic diagram of internal structure；
Fig. 6 be the utility model proposes a kind of display clearly digital frequency meter part A enlarged diagram.
In figure: 1, body；101, display；1011, the first rotating bar；1012, the second rotating bar；102, connecting plate；
1021, sliding slot；103, paper drawing bar；1031, sliding block；104, third rotating bar；1041, the first belt pulley；105, the 4th rotating bar；
1051, the second conical gear；1052, the second belt pulley；2, the second turntable；201, fixed link；2011, the first conical gear；3,
First turntable；301, first gear；302, second gear；4, third turntable；401, roll paper bar；5, belt.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1:
Referring to Fig.1-5, a kind of display clearly digital frequency meter, including body 1, which is characterized in that rotation connects in body 1
It is connected to display 101, roll paper bar 401 is rotatably connected in body 1, volume has dust-proof paper on roll paper bar 401, and sliding connects in body 1
It is connected to paper drawing bar 103, paper drawing bar 103 is fixedly linked with dust-proof paper one end, the first turntable 3 is fixedly connected on 1 side wall of body, the
It is fixedly connected with first gear 301 on one turntable 3, the first rotating bar 1011 and second turn are rotatably connected on 1 inner sidewall of body
Lever 1012, the first rotating bar 1011 are fixedly linked with display 101 with the second rotating bar 1012, in the second rotating bar 1012
It is fixedly connected with second gear 302, first gear 301 is meshed with second gear 302, in digital frequency meter before use, passing through
Roll paper bar 401 is rotated, so that dust-proof paper roll be risen, in digital frequency meter in use, after the completion of operation, passes through and rotates display
101, it is read after display 101 is turned to suitable position, thus guarantee that staff will not misread because angle is incorrect,
It ensure that the accuracy for realizing result, after the completion of digital frequency meter use, slided by the paper drawing bar 103 in body 1, thus
Dust-proof paper is driven to cover display 101, to protect display 101 not will receive the erosion of dust in placement process, just
It is used next time, when adjusting angle to display 101, by rotating the first turntable 3 manually, to drive on the first turntable 3
The first gear 301 that is fixedly connected rotates, and first gear 301 is rotated will drive the second gear 302 engaged, by the
The rotation of two gears 302, so that the second rotating bar 1012 being fixedly linked with second gear 302 is driven to rotate, the second rotating bar
1012 will will drive and be secured to connected display 101 and rotate, to complete the adjusting to display 101, guarantee work people
Member can watch display 101 from correct angle, to solve the problems, such as that staff misreads because of angle problem.
Embodiment 2:
Referring to Fig.1-5, a kind of display clearly digital frequency meter, including body 1, which is characterized in that rotation connects in body 1
It is connected to display 101, roll paper bar 401 is rotatably connected in body 1, volume has dust-proof paper on roll paper bar 401, and sliding connects in body 1
It is connected to paper drawing bar 103, paper drawing bar 103 is fixedly linked with dust-proof paper one end, the first turntable 3 is fixedly connected on 1 side wall of body, the
It is fixedly connected with first gear 301 on one turntable 3, the first rotating bar 1011 and second turn are rotatably connected on 1 inner sidewall of body
Lever 1012, the first rotating bar 1011 are fixedly linked with display 101 with the second rotating bar 1012, in the second rotating bar 1012
It is fixedly connected with second gear 302, first gear 301 is meshed with second gear 302, in digital frequency meter before use, passing through
Roll paper bar 401 is rotated, so that dust-proof paper roll be risen, in digital frequency meter in use, after the completion of operation, passes through and rotates display
101, it is read after display 101 is turned to suitable position, thus guarantee that staff will not misread because angle is incorrect,
It ensure that the accuracy for realizing result, after the completion of digital frequency meter use, slided by the paper drawing bar 103 in body 1, thus
Dust-proof paper is driven to cover display 101, to protect display 101 not will receive the erosion of dust in placement process, just
It is used next time, when adjusting angle to display 101, by rotating the first turntable 3 manually, to drive on the first turntable 3
The first gear 301 that is fixedly connected rotates, and first gear 301 is rotated will drive the second gear 302 engaged, by the
The rotation of two gears 302, so that the second rotating bar 1012 being fixedly linked with second gear 302 is driven to rotate, the second rotating bar
1012 will will drive and be secured to connected display 101 and rotate, to complete the adjusting to display 101, guarantee work people
Member can watch display 101 from correct angle, thus solve the problems, such as that staff misreads because of angle problem, body
It is rotatably connected to third rotating bar 104 and the 4th rotating bar 105 on 1 inner roof wall, is fixedly connected with first in third rotating bar 104
Belt pulley 1041, is fixedly connected with the second belt pulley 1052 in the 4th rotating bar 105, the first belt pulley 1041 by belt 5 with
Second belt pulley 1052 is connected, and paper drawing bar 103 is fixedly connected on belt 5, after the completion of digital frequency meter use, passes through the 4th
The rotation of rotating bar 105, so that the second belt pulley 1052 being fixedly linked with the 4th rotating bar 105 is driven to rotate, the second belt
Wheel 1052 will drive the rotation of the first belt pulley 1041 by belt 5, by the rotation of the first belt pulley 1041, thus drive with
Its third rotating bar 104 being fixedly connected rotation, so that the sliding for paper drawing bar 103 provides power.
Embodiment 3:
Referring to Fig. 5-6, a kind of display clearly digital frequency meter is substantially the same manner as Example 2, the difference is that body 1
It is rotatably connected to the second turntable 2 on side wall, fixed link 201 is fixedly connected on the second turntable 2, fixed link 201 is far from second turn
One end of disk 2 is fixedly connected with the first conical gear 2011, is fixedly connected with the second conical gear in the 4th rotating bar 105
1051, the first conical gear 2011 is meshed with the second conical gear 1051, after the completion of digital frequency meter use, by manual
Rotate the second turntable 2, the second turntable 2, which will will drive, to be secured to connected fixed link 201 and rotate, and fixed link 201 will will drive
The first conical gear 2011 rotation being firmly connected with it, the first conical gear 2011 will will drive the second circular cone engaged
Gear 1051 rotates, to drive the rotation of the 4th rotating bar 105, the sliding for paper drawing bar 103 provides power.
Embodiment 4:
Referring to Fig.1-5, a kind of display clearly digital frequency meter, including body 1, which is characterized in that rotation connects in body 1
It is connected to display 101, roll paper bar 401 is rotatably connected in body 1, volume has dust-proof paper on roll paper bar 401, and sliding connects in body 1
It is connected to paper drawing bar 103, paper drawing bar 103 is fixedly linked with dust-proof paper one end, the first turntable 3 is fixedly connected on 1 side wall of body, the
It is fixedly connected with first gear 301 on one turntable 3, the first rotating bar 1011 and second turn are rotatably connected on 1 inner sidewall of body
Lever 1012, the first rotating bar 1011 are fixedly linked with display 101 with the second rotating bar 1012, in the second rotating bar 1012
It is fixedly connected with second gear 302, first gear 301 is meshed with second gear 302, in digital frequency meter before use, passing through
Roll paper bar 401 is rotated, so that dust-proof paper roll be risen, in digital frequency meter in use, after the completion of operation, passes through and rotates display
101, it is read after display 101 is turned to suitable position, thus guarantee that staff will not misread because angle is incorrect,
It ensure that the accuracy for realizing result, after the completion of digital frequency meter use, slided by the paper drawing bar 103 in body 1, thus
Dust-proof paper is driven to cover display 101, to protect display 101 not will receive the erosion of dust in placement process, just
It is used next time, when adjusting angle to display 101, by rotating the first turntable 3 manually, to drive on the first turntable 3
The first gear 301 that is fixedly connected rotates, and first gear 301 is rotated will drive the second gear 302 engaged, by the
The rotation of two gears 302, so that the second rotating bar 1012 being fixedly linked with second gear 302 is driven to rotate, the second rotating bar
1012 will will drive and be secured to connected display 101 and rotate, to complete the adjusting to display 101, guarantee work people
Member can watch display 101 from correct angle, thus solve the problems, such as that staff misreads because of angle problem, body
It is fixedly connected with connecting plate 102 in 1, sliding slot 1021 is offered on connecting plate 102, paper drawing bar 103 is fixed far from one end of belt 5
It is connected with sliding block 1031, sliding block 1031 matches with sliding slot 1021, when paper drawing bar 103 slides, passes through the cunning opened up in body 1
The sliding block 1031 being fixedly connected on slot 1021 and paper drawing bar 103 matches, to keep paper drawing bar 103 more stable in sliding
Sliding.
Embodiment 5:
Referring to Fig. 5, a kind of display clearly digital frequency meter is substantially the same manner as Example 4, moreover, body 1
Third turntable 4 is rotatably connected on roof, 401 one end of roll paper bar is fixedly linked with 4 bottom wall of third turntable, and roll paper bar 401 is another
End is rotatedly connected with connecting plate 102, is needing using numerical frequency timing, by rotating third turntable 4 manually, to drive volume
Paper bar 401 rotates, by the rotation of roll paper bar 401, so that dust-proof paper be packed up.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of display clearly digital frequency meter, including body (1), which is characterized in that be rotatably connected in the body (1)
Display (101), the body (1) is interior to be rotatably connected to roll paper bar (401), and volume has dust-proof paper, institute on the roll paper bar (401)
It states and is slidably connected paper drawing bar (103) in body (1), the paper drawing bar (103) is fixedly linked with dust-proof paper one end, the body
(1) it is fixedly connected on side wall the first turntable (3), is fixedly connected with first gear (301) on first turntable (3), it is described
The first rotating bar (1011) and the second rotating bar (1012), first rotating bar are rotatably connected on body (1) inner sidewall
(1011) it is fixedly linked with display (101) with the second rotating bar (1012), it is fixed on second rotating bar (1012) to connect
It is connected to second gear (302), the first gear (301) is meshed with second gear (302).
2. a kind of display clearly digital frequency meter according to claim 1, which is characterized in that top in the body (1)
It is rotatably connected to third rotating bar (104) and the 4th rotating bar (105) on wall, is fixedly connected on the third rotating bar (104)
Have the first belt pulley (1041), is fixedly connected with the second belt pulley (1052) on the 4th rotating bar (105), first skin
Belt wheel (1041) is connected by belt (5) with the second belt pulley (1052), and the paper drawing bar (103) is fixedly connected on belt (5)
On.
3. a kind of display clearly digital frequency meter according to claim 2, which is characterized in that body (1) side wall
On be rotatably connected to the second turntable (2), be fixedly connected with fixed link (201), the fixed link on second turntable (2)
(201) one end far from the second turntable (2) is fixedly connected with the first conical gear (2011), on the 4th rotating bar (105)
It is fixedly connected with the second conical gear (1051), first conical gear (2011) is mutually nibbled with the second conical gear (1051)
It closes.
4. a kind of display clearly digital frequency meter according to claim 1, which is characterized in that solid in the body (1)
Surely it is connected with connecting plate (102), is offered sliding slot (1021) on the connecting plate (102), the paper drawing bar (103) is far from belt
(5) one end is fixedly connected with sliding block (1031), and the sliding block (1031) matches with sliding slot (1021).
5. a kind of display clearly digital frequency meter according to claim 4, which is characterized in that body (1) roof
On be rotatably connected to third turntable (4), described roll paper bar (401) one end is fixedly linked with third turntable (4) bottom wall, the roll paper
Bar (401) other end is rotatedly connected with connecting plate (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710459.0U CN209590127U (en) | 2018-10-22 | 2018-10-22 | It is a kind of to show clearly digital frequency meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710459.0U CN209590127U (en) | 2018-10-22 | 2018-10-22 | It is a kind of to show clearly digital frequency meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209590127U true CN209590127U (en) | 2019-11-05 |
Family
ID=68373689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821710459.0U Expired - Fee Related CN209590127U (en) | 2018-10-22 | 2018-10-22 | It is a kind of to show clearly digital frequency meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209590127U (en) |
-
2018
- 2018-10-22 CN CN201821710459.0U patent/CN209590127U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191105 Termination date: 20201022 |