CN208998993U - A kind of small-sized two-tube differential pressure gauge of rectangle crosspointer - Google Patents
A kind of small-sized two-tube differential pressure gauge of rectangle crosspointer Download PDFInfo
- Publication number
- CN208998993U CN208998993U CN201821801355.0U CN201821801355U CN208998993U CN 208998993 U CN208998993 U CN 208998993U CN 201821801355 U CN201821801355 U CN 201821801355U CN 208998993 U CN208998993 U CN 208998993U
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- China
- Prior art keywords
- fixedly installed
- tube
- scale
- rectangle
- differential pressure
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000005341 toughened glass Substances 0.000 claims abstract description 11
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007787 solid Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001074 Lay pewter Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Abstract
The utility model discloses a kind of small-sized two-tube differential pressure gauges of rectangle crosspointer, including body housing and transmission mechanism, the body housing upper end is fixedly installed with scale, the scale upper end is fixedly installed with tempered glass, front end is fixedly installed with the first bourdon tube in the middle part of the body housing inner cavity, the first bourdon tube right end is fixedly installed with connector, the connector lower end is movably installed with pull rod by bolt, scale lower end left part is fixedly installed with fixed plate, transmission mechanism is fixedly installed at left and right sides of the fixed plate lower part, the transmission mechanism includes sector gear, rotating bar and gear, left and right ends are movably installed with rotating bar by bearing in the middle part of the fixed plate.By the structure of body housing and internal element, reduce differential pressure gauge volume, achievees the effect that convenient for being installed in small space;By the structure of beryllium copper elastic element, the accuracy of difference gauge is improved, reaches effect with long service life.
Description
Technical field
The utility model relates to differential pressure gauge technical field, specially a kind of small-sized two-tube differential pressure gauge of rectangle crosspointer.
Background technique
Crosspointer differential pressure gauge, which is primarily adapted for use in, to be used to measure the pressure in hydraulic system or air reservoir on rolling stock, also can be used
In the pressure measurement to the various media that copper alloy and leypewter cored solder are non-corrosive noncrystalline and solidify, instrument can be simultaneously
The pressure of measurement two identical or not identical (difference of the two should generally be not more than the 1/3 of scale range upper limit value), currently, crosspointer
Two-tube differential pressure gauge principal shape is circle, and volume is larger, can not install and use in opposite narrow space, and reads differential pressure pair
It is more direct than not enough, for this purpose, it is proposed that a kind of small-sized two-tube differential pressure gauge of rectangle crosspointer.
Utility model content
The purpose of this utility model is to provide a kind of small-sized two-tube differential pressure gauges of rectangle crosspointer, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of small-sized two-tube differential pressure of rectangle crosspointer
Table, including body housing and transmission mechanism, the body housing upper end are fixedly installed with scale, and the scale upper end is fixedly mounted
There is tempered glass, front end is fixedly installed with the first bourdon tube in the middle part of the body housing inner cavity, and the first bourdon tube right end is solid
Dingan County is equipped with connector, and the connector lower end is movably installed with pull rod by bolt, and scale lower end left part is fixedly mounted
Have a fixed plate, be fixedly installed with transmission mechanism at left and right sides of the fixed plate lower part, the transmission mechanism include sector gear,
Rotating bar and gear, the fixed plate middle part left and right ends are movably installed with rotating bar, the rotating bar left part by bearing
It is fixedly installed with gear, the gear lower end is engaged with sector gear, and sector gear right end is connected by bolt and pull rod activity
It connecing, the sector gear is followed closely by pot and is flexibly connected with fixed plate, and the rotating bar right part is fixedly installed with pointer, and described first
Bourdon tube rear end is fixedly installed with second spring pipe, and body housing lower end left part is fixedly installed with the first connecting tube, and
One connecting tube is connected with the first spring left end, and adjacent fixes the second connecting tube on the right side of first connecting tube, and described second
Connecting tube is connected with second spring pipe left end.
Preferably, the scale is in rectangle, and scale surface has radian, and the scale setting pressure identifies.
Preferably, the tempered glass surface has radian, and tempered glass surface radian is consistent with scale radian.
Preferably, the pointer is in " 7 " font.
Preferably, the second spring pipe is identical as the first spring tube structure, and second spring pipe and the first bourdon tube are right
End is fixedly installed with transmission mechanism by pull rod, and first bourdon tube and second spring pipe are beryllium copper elastic element.
Compared with prior art, the utility model has the beneficial effects that this kind of small-sized two-tube differential pressure gauge of rectangle crosspointer is logical
The first bourdon tube, the structure of second spring pipe and transmission mechanism are crossed, testing pressure is distinguished through the first connecting tube and the second connecting tube
It enters in the first bourdon tube and second spring pipe, drives transmission mechanism operating, reach the effect that pointer distinguishes accurate visual reading
Fruit;By the structure of body housing and internal element, reduce differential pressure gauge volume, achievees the effect that convenient for being installed in small space;
By the structure of beryllium copper elastic element, the accuracy of difference gauge is improved, reaches effect with long service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model structure diagram;
Fig. 3 is the utility model structure driven mechanism cross-sectional view.
In figure: 1 body housing, 2 scales, 21 tempered glass, 3 first bourdon tubes, 31 first connecting tubes, 32 connectors, 33
Pull rod, 4 second spring pipes, 41 second connecting tubes, 5 transmission mechanisms, 6 sector gears, 7 rotating bars, 71 pointers, 8 gears, 9 are fixed
Plate.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of small-sized two-tube differential pressure gauge of rectangle crosspointer,
Including body housing 1 and transmission mechanism 5,1 upper end of body housing is fixedly installed with scale 2, and the scale 2 is in rectangle, and
2 surface of scale has radian, and the scale 2 is arranged pressure and identifies, moved, can be accurately read on scale 2 by pointer 71
Pressure value and pressure difference, 2 upper end of scale are fixedly installed with tempered glass 21, and 21 surface of tempered glass has radian,
And 21 surface radian of tempered glass is consistent with 2 radian of scale, is convenient for visual reading, front end is solid in the middle part of 1 inner cavity of body housing
Dingan County is equipped with the first bourdon tube 3, and 3 right end of the first bourdon tube is fixedly installed with connector 32, and 32 lower end of connector is logical
It crosses bolt and is movably installed with pull rod 33, play the role of connecting sector gear 6, the 2 lower end left part of scale is fixedly installed with solid
Fixed board 9 plays the role of fixed rotating bar 7 and transmission mechanism 5, is fixedly installed with biography at left and right sides of 9 lower part of fixed plate
Motivation structure 5, air pressure to be measured is by the first bourdon tube 3 and second spring pipe 4 and stretches, and connector 32 and pull rod 33 is pushed to drive fan
Shape gear 6 rotates, and sector gear 6 drives the rotation of pointer 71 in rotating bar 7 to be read, and the transmission mechanism 5 includes sector
Gear 6, rotating bar 7 and gear 8, the 9 middle part left and right ends of fixed plate are movably installed with rotating bar 7 by bearing, play
The effect of the operating instruction of pointer 71 is driven, 7 left part of rotating bar is fixedly installed with gear 8, with 6 engaged transmission of sector gear
Effect, 8 lower end of gear are engaged with sector gear 6, the first bourdon tube 3 and second spring pipe 4 and are pushed stretching by air pressure, play
The effect that pushing drawing rod 33 drives sector gear 6 to operate, and 6 right end of sector gear is flexibly connected by bolt with pull rod 33, institute
It states sector gear 6 and is flexibly connected by pot nail with fixed plate 9, play the role of fixed sectors gear 6,7 right part of rotating bar
It is fixedly installed with pointer 71, the pointer 71 is in " 7 " font, plays the role of reading, the fixed peace in 3 rear end of the first bourdon tube
Equipped with second spring pipe 4, the second spring pipe 4 is identical as 3 structure of the first bourdon tube, and second spring pipe 4 and the first spring
3 right end of pipe is fixedly installed with transmission mechanism 5 by pull rod 33, and first bourdon tube 3 and second spring pipe 4 are beryllium copper bullet
Property element, long service life, the 1 lower end left part of body housing are fixedly installed with the first connecting tube 31, play connection function, and
First connecting tube 31 is connected with 3 left end of the first bourdon tube, and the 31 right side adjacent of the first connecting tube fixes the second connecting tube
41, connection function is played, second connecting tube 41 is connected with 4 left end of second spring pipe.
Working principle: firstly, under test gas has respectively entered the first spring from the first connecting tube 31 and the second connecting tube 41
In pipe 3 and second spring pipe 4, the first bourdon tube of air pressure hoist 3 and second spring pipe 4 that gas generates, and pull rod 33 is driven to draw
Dynamic transmission mechanism 5 drives the gear 8 in rotating bar 7 to rotate, and then rotating bar 7 drives indicators turn to be read respectively, finally,
The numerical value of pressure difference is accurately found out by pointer.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of small-sized two-tube differential pressure gauge of rectangle crosspointer, including body housing (1) and transmission mechanism (5), it is characterised in that: institute
It states body housing (1) upper end to be fixedly installed with scale (2), scale (2) upper end is fixedly installed with tempered glass (21), described
Front end is fixedly installed with the first bourdon tube (3) in the middle part of body housing (1) inner cavity, and the first bourdon tube (3) right end is fixedly mounted
Have connector (32), connector (32) lower end is movably installed with pull rod (33) by bolt, scale (2) lower end left part
It is fixedly installed with fixed plate (9), is fixedly installed with transmission mechanism (5), the transmission at left and right sides of fixed plate (9) lower part
Mechanism (5) includes sector gear (6), rotating bar (7) and gear (8), and left and right ends are equal by bearing in the middle part of the fixed plate (9)
It is movably installed with rotating bar (7), rotating bar (7) left part is fixedly installed with gear (8), and gear (8) lower end is engaged with
Sector gear (6), and sector gear (6) right end is flexibly connected by bolt with pull rod (33), the sector gear (6) passes through pot
Nail is flexibly connected with fixed plate (9), and rotating bar (7) right part is fixedly installed with pointer (71), after first bourdon tube (3)
End is fixedly installed with second spring pipe (4), and body housing (1) lower end left part is fixedly installed with the first connecting tube (31), and
First connecting tube (31) is connected with the first bourdon tube (3) left end, and adjacent fixes second on the right side of first connecting tube (31)
Connecting tube (41), second connecting tube (41) are connected with second spring pipe (4) left end.
2. the small-sized two-tube differential pressure gauge of rectangle crosspointer of one kind according to claim 1, it is characterised in that: the scale (2)
In rectangle, and scale (2) surface has radian, and scale (2) the setting pressure identifies.
3. the small-sized two-tube differential pressure gauge of rectangle crosspointer of one kind according to claim 1, it is characterised in that: the tempered glass
(21) surface has radian, and tempered glass (21) surface radian is consistent with scale (2) radian.
4. the small-sized two-tube differential pressure gauge of rectangle crosspointer of one kind according to claim 1, it is characterised in that: the pointer (71)
In " 7 " font.
5. the small-sized two-tube differential pressure gauge of rectangle crosspointer of one kind according to claim 1, it is characterised in that: the second spring
It is identical as the first bourdon tube (3) structure to manage (4), and second spring pipe (4) and the first bourdon tube (3) right end are equal by pull rod (33)
It is fixedly installed with transmission mechanism (5), first bourdon tube (3) and second spring pipe (4) are beryllium copper elastic element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821801355.0U CN208998993U (en) | 2018-11-02 | 2018-11-02 | A kind of small-sized two-tube differential pressure gauge of rectangle crosspointer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821801355.0U CN208998993U (en) | 2018-11-02 | 2018-11-02 | A kind of small-sized two-tube differential pressure gauge of rectangle crosspointer |
Publications (1)
Publication Number | Publication Date |
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CN208998993U true CN208998993U (en) | 2019-06-18 |
Family
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Family Applications (1)
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CN201821801355.0U Expired - Fee Related CN208998993U (en) | 2018-11-02 | 2018-11-02 | A kind of small-sized two-tube differential pressure gauge of rectangle crosspointer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112958869A (en) * | 2021-04-06 | 2021-06-15 | 安徽金火神能源科技有限公司 | Multi-range cutting gun pressure online pressure measuring device |
-
2018
- 2018-11-02 CN CN201821801355.0U patent/CN208998993U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112958869A (en) * | 2021-04-06 | 2021-06-15 | 安徽金火神能源科技有限公司 | Multi-range cutting gun pressure online pressure measuring device |
CN112958869B (en) * | 2021-04-06 | 2022-04-08 | 安徽金火神能源科技有限公司 | Multi-range cutting gun pressure online pressure measuring device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |
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CF01 | Termination of patent right due to non-payment of annual fee |