CN207395830U - A kind of Roots type flowmeter - Google Patents
A kind of Roots type flowmeter Download PDFInfo
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- CN207395830U CN207395830U CN201721517698.XU CN201721517698U CN207395830U CN 207395830 U CN207395830 U CN 207395830U CN 201721517698 U CN201721517698 U CN 201721517698U CN 207395830 U CN207395830 U CN 207395830U
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Abstract
The utility model discloses a kind of Roots type flowmeters, including sensor housing, Roots's wheel, left gland and right gland, the first scale mounting base is provided on the outer surface of sensor housing, there are one left end caps for socket on left gland, detachably there are one locating supports for setting for left end cap left end, the second scale mounting base is provided on locating support, left end cap lower end is provided with the first plug cock hole;Right end cap is socketed on right gland, the right end cap lower end is provided with the second plug cock hole, it is respectively provided in first plug cock hole and the second plug cock hole there are one plug cock component, each plug cock component includes the first gasket, outer-hexagonal plug screw, the second gasket and outer-hexagonal waterproof plug screw.Above-mentioned technical proposal, reasonable in design, simple in structure, installation operation is easily, plug cock connection is reliable, be not easy to loosen, service life is long and accurate measurement.
Description
Technical field
The utility model is related to flowmeter technology fields, and in particular to a kind of Roots type flowmeter.
Background technology
Roots type flowmeter is also known as rotz flowmeter, is mainly used for carrying out accomplished continuously or intermittently air in pipeline or fluid flow
The high-precision measuring instrument of measurement.But existing Roots type flowmeter structure design is unreasonable, only there are one scale, installation behaviour
Bother, Roots type flowmeter because installation site not horizontally or vertically, cause Roots take turns or the components over time operation such as bearing after,
Because of unbalance stress, Roots's wheel and bearing generate abrasion, cause metering inaccurate;And the plug cock of existing Roots type flowmeter is usually
Using the structure of rubber o-ring plus plug screw, easily loosen, the easy aging of rubber type of material, service life is short, poor practicability.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structures
Simply, installation operation is easily, plug cock connection is reliable, be not easy to loosen, service life is long and the Roots type flowmeter of accurate measurement.
To achieve the above object, the utility model provides following technical solution:A kind of Roots type flowmeter, including sensor
Housing, Roots's wheel, left gland and right gland, the left gland are mounted on sensor housing left end, and right gland is mounted on sensor
Housing right end, an inner cavity is provided in sensor shell body, and Roots's wheel is mounted on interior intracavitary, the outer surface of the sensor housing
On be provided with the first scale mounting base, there are one left end caps, the left end cap left end detachably to set for socket on the left gland
There are one locating support, the second scale mounting base is provided on the locating support, left end cap lower end is provided with the first plug cock hole;
Right end cap is socketed on the right gland, which is provided with the second plug cock hole, the first plug cock hole and the second oil
It is respectively provided in consent there are one plug cock component, each plug cock component includes the first gasket, outer-hexagonal plug screw, the second gasket
With outer-hexagonal waterproof plug screw, first gasket is socketed in outer-hexagonal plug screw inner end, and the second gasket is socketed in outer-hexagonal spiral shell
It holds beyond the Great Wall, outer-hexagonal waterproof plug screw is arranged on the second gasket outer end, and outer-hexagonal waterproof plug screw and outer-hexagonal plug screw outer end spiral shell
Line connects.
By using above-mentioned technical proposal, there is provided the first scale mounting base and the second scale mounting base, to existing water
Flat scale leaves case subspace, can meet respectively and be horizontally mounted and vertically arranged flowmeter;And plug cock component employs
Two gaskets and a locking swivel nut, service life is long, good seal performance, is not easy to loosen;It is reasonable in design, structure is simple
Single, installation operation is easily, plug cock connection is reliable, accurate measurement, practicability are good.
The utility model is further arranged to:The interior intracavitary is equipped with first rotating shaft and the second shaft, described first turn
Axis left end is set through left gland, left gland section is provided with magnetic coupler in first rotating shaft, the second shaft right end passes through the right side
Gland is set, and right gland section is provided with the first synchromesh gear in first rotating shaft.
The utility model is further arranged to:The second shaft left end is set through left gland, is worn in the second shaft
It crosses left gland section and is provided with first and get rid of oil sheet, the second shaft right end is set through right gland, and right gland section is passed through in the second shaft
It is provided with the second synchromesh gear and second and gets rid of oil sheet, second synchromesh gear and the engagement of the first synchromesh gear, second gets rid of oil sheet
Positioned at the second synchromesh gear right end.
The utility model is further arranged to:First gasket and the second gasket are fluoroplastics gasket.
The utility model is further arranged to:The first scale mounting base is wholely set or passes through with sensor housing
Screw connection is fixed;Second scale mounting base is wholely set or is connected by screw fixation with locating support.
The utility model has the advantages that:Compared with prior art, the utility model structure setting is more reasonable, and there is provided
One scale mounting base and the second scale mounting base, leave installation space to existing horizontal ruler, can meet level respectively
Installation and vertically arranged flowmeter;And plug cock component employs two gaskets and a locking swivel nut, service life is long, close
Sealing property is good, is not easy to loosen;Reasonable in design, simple in structure, installation operation is easily, plug cock connection is reliable, accurate measurement, reality
It is good with property.
With reference to Figure of description and specific embodiment, the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment;
Fig. 2 is the enlarged diagram in I portions in Fig. 1.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of Roots type flowmeter disclosed in the utility model, including sensor housing 1, Roots wheel 2,
Left gland 3 and right gland 4, the left gland 3 are mounted on 1 left end of sensor housing, and it is right that right gland 4 is mounted on sensor housing 1
It holds, is set in sensor housing 1 there are one inner cavity, Roots's wheel 2 is in interior intracavitary, the outer surface of the sensor housing 1
The first scale mounting base 11 is provided with, is socketed on the left gland 3 there are one left end cap 5,5 left end of left end cap detachably to be set
It puts there are one locating support 6, is provided with the second scale mounting base 61 on the locating support 6,5 lower end of left end cap is provided with first
Plug cock hole 51;Right end cap 7 is socketed on the right gland 4, which is provided with the second plug cock hole 71, and described first
It is respectively provided in 51 and second plug cock hole 71 of plug cock hole there are one plug cock component 8, each plug cock component 8 includes the first gasket
81st, outer-hexagonal plug screw 82, the second gasket 83 and outer-hexagonal waterproof plug screw 84, first gasket 81 are socketed in outer-hexagonal spiral shell
82 inner ends are filled in, the second gasket 83 is socketed in 82 outer end of outer-hexagonal plug screw, and outer-hexagonal waterproof plug screw 84 is arranged on the second gasket
83 outer ends, and outer-hexagonal waterproof plug screw 84 is threadedly coupled with 82 outer end of outer-hexagonal plug screw.
As preference, the left gland 3 is welded and fixed with 1 left end of sensor housing or is connected by existing screw solid
It is fixed;5 left end of left end cap is welded and fixed with 1 left end of sensor housing or is connected fixation by existing screw;The locating support 6
Fixation is connected by existing screw with 5 left end of left end cap;The right gland 4 is welded and fixed or leads to 1 right end of sensor housing
Existing screw connection is crossed to fix;Right end cap 7 is welded and fixed with 1 right end of sensor housing or is connected by existing screw solid
It is fixed;The first scale mounting base 11 is wholely set with the outer surface of sensor housing 1 or is connected by existing screw solid
It is fixed, and the scale installation of the first scale mounting base 11 is set up;Second scale mounting base 61 is wholely set with locating support 6
Or connected and fixed by existing screw, and the scale mounting surface of the second scale mounting base 61 is towards left setting;Each plug cock component 8
It is threadedly coupled by outer-hexagonal plug screw 82 with the plug cock hole being aligned.
To make the utility model structure setting more reasonable, as preference, interior intracavitary described in the present embodiment is equipped with
One shaft 9 and the second shaft 10,9 left end of first rotating shaft are set through left gland 3, and left gland section is passed through in first rotating shaft 9
Magnetic coupler 12 is provided with, 10 right end of the second shaft is set through right gland 4, is provided in first rotating shaft 9 through right gland section
First synchromesh gear 13.Magnetic coupler 12 is by existing screw or is bolted fixation, and the first 13 sets of synchromesh gear is connected to
The first locking nut is set in 9 right end of first rotating shaft after one shaft 9, the first synchromesh gear 13 is limited by the first locking nut
Position.
Second shaft, 10 left end is set through left gland 3, and left gland section is provided with first in the second shaft 10
Oil sheet 14 is got rid of, 10 right end of the second shaft is set through right gland 4, and second is provided with synchronously through right gland section in the second shaft 10
Gear 15 and second gets rid of oil sheet 16, and 15 and first synchromesh gear 13 of the second synchromesh gear engages, and second, which gets rid of oil sheet 16, is located at
Second synchromesh gear, 15 right end.As preference, second shaft 10 gets rid of 14 left position of oil sheet positioned at first is provided with
Two locking nuts get rid of 14 /V of oil sheet to first by the second locking nut;Second shaft 10 gets rid of 16 right end of oil sheet positioned at second
Position is provided with the 3rd locking nut, and 16 /V of oil sheet is got rid of to second by the 3rd locking nut.
First gasket, 81 and second gasket 83 is fluoroplastics gasket.
During practical application, the utility model is provided with the first scale mounting base and the second scale mounting base, to existing water
Flat scale leaves installation space, can meet respectively and be horizontally mounted and vertically arranged flowmeter;And plug cock component employs
Two gaskets and a locking swivel nut, service life is long, good seal performance, is not easy to loosen;It is reasonable in design, structure is simple
Single, installation operation is easily, plug cock connection is reliable, accurate measurement, practicability are good.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It is understood that as the restriction to scope of protection of the utility model, the technician of this field is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the scope of protection of the utility model.
Claims (5)
1. a kind of Roots type flowmeter takes turns (2), left gland (3) and right gland (4), the left side including sensor housing (1), Roots
Gland (3) is mounted on sensor housing (1) left end, and right gland (4) is mounted on sensor housing (1) right end, sensor housing (1)
There are one inner cavity, Roots takes turns (2) mounted on interior intracavitary for interior setting, it is characterised in that:On the outer surface of the sensor housing (1)
It is provided with the first scale mounting base (11), there are one left end cap (5), left end cap (5) left ends for socket on the left gland (3)
It is detachable to set there are one locating support (6), it is provided with the second scale mounting base (61), left end cap on the locating support (6)
(5) lower end is provided with the first plug cock hole (51);Right end cap (7) is socketed on the right gland (4), which sets
It is equipped with the second plug cock hole (71), is respectively provided with that there are one plug cock components in the first plug cock hole (51) and the second plug cock hole (71)
(8), each plug cock component (8) includes the first gasket (81), outer-hexagonal plug screw (82), the second gasket (83) and outer-hexagonal
Waterproof plug screw (84), first gasket (81) are socketed in outer-hexagonal plug screw (82) inner end, and the second gasket (83) is socketed in
Outer-hexagonal plug screw (82) outer end, outer-hexagonal waterproof plug screw (84) are arranged on the second gasket (83) outer end, and outer-hexagonal waterproof spiral shell
Plug (84) is threadedly coupled with outer-hexagonal plug screw (82) outer end.
2. a kind of Roots type flowmeter according to claim 1, it is characterised in that:The interior intracavitary is equipped with first rotating shaft
(9) set with the second shaft (10), first rotating shaft (9) left end through left gland (3), left pressure is passed through in first rotating shaft (9)
Lid section is provided with magnetic coupler (12), and the second shaft (10) right end is set through right gland (4), and the right side is passed through in first rotating shaft (9)
Gland section is provided with the first synchromesh gear (13).
3. a kind of Roots type flowmeter according to claim 2, it is characterised in that:Second shaft (10) left end passes through a left side
Gland (3) is set, and left gland section is provided with first in the second shaft (10) and gets rid of oil sheet (14), the second shaft (10) right end is worn
Right gland (4) setting is crossed, right gland section is provided with the second synchromesh gear (15) and second in the second shaft (10) and gets rid of oil sheet
(16), second synchromesh gear (15) and the first synchromesh gear (13) engagement, second, which gets rid of oil sheet (16), is located at the second synchronous gear
Take turns (15) right end.
4. a kind of Roots type flowmeter according to claim 3, it is characterised in that:First gasket (81) and second
Gasket (83) is fluoroplastics gasket.
5. a kind of Roots type flowmeter according to claim 4, it is characterised in that:The first scale mounting base (11) is with passing
Sensor housing (1) is wholely set or is connected by screw fixation;Second scale mounting base (61) is wholely set with locating support (6)
Or it is connected by screw fixation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721517698.XU CN207395830U (en) | 2017-11-14 | 2017-11-14 | A kind of Roots type flowmeter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721517698.XU CN207395830U (en) | 2017-11-14 | 2017-11-14 | A kind of Roots type flowmeter |
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CN207395830U true CN207395830U (en) | 2018-05-22 |
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CN201721517698.XU Active CN207395830U (en) | 2017-11-14 | 2017-11-14 | A kind of Roots type flowmeter |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108759954A (en) * | 2018-05-28 | 2018-11-06 | 天信仪表集团有限公司 | A kind of double waist wheel gas flowmeters and installation method |
CN108775939A (en) * | 2018-08-13 | 2018-11-09 | 合肥利都自动化仪表有限公司 | A kind of oil leakage-proof rotz flowmeter |
-
2017
- 2017-11-14 CN CN201721517698.XU patent/CN207395830U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108759954A (en) * | 2018-05-28 | 2018-11-06 | 天信仪表集团有限公司 | A kind of double waist wheel gas flowmeters and installation method |
CN108759954B (en) * | 2018-05-28 | 2024-03-22 | 天信仪表集团有限公司 | Double-waist-wheel gas flowmeter and mounting method thereof |
CN108775939A (en) * | 2018-08-13 | 2018-11-09 | 合肥利都自动化仪表有限公司 | A kind of oil leakage-proof rotz flowmeter |
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