CN215832774U - Microminiature cylindrical gear meter - Google Patents
Microminiature cylindrical gear meter Download PDFInfo
- Publication number
- CN215832774U CN215832774U CN202122199948.2U CN202122199948U CN215832774U CN 215832774 U CN215832774 U CN 215832774U CN 202122199948 U CN202122199948 U CN 202122199948U CN 215832774 U CN215832774 U CN 215832774U
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- China
- Prior art keywords
- metering
- cylindrical gear
- installation piece
- surface position
- microminiature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 21
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a microminiature cylindrical gear meter which comprises an upper mounting block, wherein a middle measuring block is fixedly mounted at the lower surface position of the upper mounting block, a bottom mounting block is fixedly mounted at the lower surface position of the middle measuring block, screw counter bores are respectively formed in the upper surface of the upper mounting block and the lower surface position of the bottom mounting block, connecting screws are spirally mounted in the screw counter bores, and positioning pin holes are formed in the upper surface position of the upper mounting block. According to the cylindrical gear meter, the external cooling circulating liquid can be connected through the cooling liquid channel and the internal connection thread of the cooling liquid channel, so that the metering cylindrical teeth can work in a controllable constant temperature state, the phenomenon that the metering cylindrical teeth are blocked and the like due to thermal expansion and volume increase of the metering cylindrical teeth caused by high temperature when high-temperature liquid is metered can be avoided, the liquid metering range of the cylindrical gear meter is wider, and the work is more stable.
Description
Technical Field
The utility model relates to the technical field of gear gauges, in particular to a microminiature cylindrical gear gauge.
Background
A cylindrical gear meter is a volumetric flow meter, is used for the precise continuous or discontinuous measurement of the flow or instantaneous flow of liquid in a pipeline, is particularly suitable for the flow measurement of high-viscosity media such as heavy oil, polyvinyl alcohol, resin and the like, and when the traditional cylindrical gear meter is used for measuring some high-temperature liquids, the internal measuring teeth of the traditional cylindrical gear meter can be heated and expanded by the high-temperature liquids, the phenomena of seizure and the like are very easy to occur, and the working stability cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a microminiature cylindrical gear meter to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a microminiature cylinder type gear meter, includes upper portion installation piece, the lower surface fixed position of upper portion installation piece installs middle part gauge block, the lower surface fixed position of middle part gauge block installs bottom installation piece, the upper surface of upper portion installation piece and the lower surface position of bottom installation piece are equallyd divide and are do not seted up the screw counter bore, connecting screw is installed to the inside spiral of screw counter bore, the location pinhole has been seted up to the upper surface position of upper portion installation piece, the sensor exploration hole has been seted up to the upper surface position of upper portion installation piece, the liquid hole has been seted up to the surface position of middle part gauge block, the inside of middle part gauge block is provided with the measurement tooth mechanism that has the constant temperature function.
Preferably, the metering gear mechanism comprises a metering cylindrical gear rotatably mounted at the inner position of the middle metering block, and a cavity is arranged inside the metering cylindrical gear.
Preferably, the number of the metering cylindrical teeth is two, the metering cylindrical teeth are meshed with each other, and the upper surface position and the lower surface position of the metering cylindrical teeth are respectively provided with a rotary sealing structure.
Preferably, the rotary sealing structure comprises a fixed pipe fixedly installed at the center positions of the upper surface and the lower surface of the metering cylindrical tooth respectively, an inner pipeline of the fixed pipe is communicated with an inner cavity of the metering cylindrical tooth, and a sealing annular groove is formed in the outer surface of the fixed pipe.
Preferably, the sealing ring groove is annular, and its cross-section semicircular in shape, the inside cover of sealing ring groove is established and is installed rubber seal ring, rubber seal ring is circular belt ring.
Preferably, a cooling liquid channel is formed in the upper mounting block, the fixing pipe is arranged in the cooling liquid channel in an inserting mode, the rubber sealing ring is attached to the inner wall of the cooling liquid channel in a sealing mode, an inner communicating channel is formed in the bottom mounting block, the rotary sealing structure at the lower surface position of the metering cylindrical teeth is equally arranged at two ends of the inner communicating channel in an inserting mode, the rubber sealing ring corresponding to the rotary sealing structure is in contact sealing with the inner wall of the inner communicating channel, the inner communicating channel is communicated with the inner cavities of the two metering cylindrical teeth, and connecting internal threads are formed in the position, close to the upper surface, of the cooling liquid channel.
Compared with the prior art, the utility model has the beneficial effects that: according to the cylindrical gear meter, the external cooling circulating liquid can be connected through the cooling liquid channel and the internal connection thread of the cooling liquid channel, so that the metering cylindrical teeth can work in a controllable constant temperature state, the phenomenon that the metering cylindrical teeth are blocked and the like due to thermal expansion and volume increase of the metering cylindrical teeth caused by high temperature when high-temperature liquid is metered can be avoided, the liquid metering range of the cylindrical gear meter is wider, and the work is more stable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1. an upper mounting block; 2. a middle metering block; 3. a bottom mounting block; 4. a screw counter bore; 5. a connecting screw; 6. a positioning pin hole; 7. a sensor detection hole; 8. a liquid through hole; 201. measuring cylindrical teeth; 202. a fixed tube; 203. sealing the annular groove; 204. a rubber seal ring; 205. a coolant passage; 206. an internal communication channel; 207. and connecting the internal threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a microminiature cylindrical gear meter comprises an upper mounting block 1, a middle measuring block 2 is fixedly mounted at the lower surface position of the upper mounting block 1, a bottom mounting block 3 is fixedly mounted at the lower surface position of the middle measuring block 2, screw counter bores 4 are respectively formed in the upper surface of the upper mounting block 1 and the lower surface position of the bottom mounting block 3, connecting screws 5 are spirally mounted in the screw counter bores 4, positioning pin holes 6 are formed in the upper surface position of the upper mounting block 1, sensor detecting holes 7 are formed in the upper surface position of the upper mounting block 1, a detection sensor is screwed into the sensor detection hole 7, the rotation frequency of the measuring cylindrical teeth 201 can be detected, thereby measure the liquid through measurement cylinder tooth 201, liquid through hole 8 has been seted up to the surface position of middle part gauge block 2, and the inside of middle part gauge block 2 is provided with the measurement tooth mechanism that has the constant temperature function.
The metering gear mechanism comprises a metering cylindrical gear 201 which is rotatably arranged at the inner position of the middle metering block 2, a cavity is arranged inside the metering cylindrical gear 201, and the cavity can contain cooling liquid, so that the heat of the metering cylindrical gear 201 can be taken away by the cooling liquid; the quantity one of measurement cylinder tooth 201 is total two, and intermeshing, and the upper and lower surface position of measurement cylinder tooth 201 is equallyd divide and is provided with rotary seal structure respectively, and rotary seal structure can be sealed with coolant liquid passageway 205 and the contact of inside intercommunication way 206 inner wall surface, avoids coolant liquid and by the mixture of measurement liquid, and does not influence the rotatory operation of measurement cylinder tooth 201.
The rotary sealing structure comprises a fixed pipe 202 fixedly arranged at the central positions of the upper surface and the lower surface of the metering cylindrical tooth 201 respectively, an internal pipeline of the fixed pipe 202 is communicated with an inner cavity of the metering cylindrical tooth 201, and a sealing ring groove 203 is formed in the outer surface of the fixed pipe 202; the sealing ring-shaped groove 203 is circular, the cross section of the sealing ring-shaped groove is semicircular, a rubber sealing ring 204 is sleeved inside the sealing ring-shaped groove 203, and the rubber sealing ring 204 is a circular ring.
Coolant liquid passageway 205 has been seted up to the inside of upper portion installation piece 1, fixed pipe 202 alternates the inside that sets up at coolant liquid passageway 205, rubber seal ring 204 is sealed with the inner wall laminating of coolant liquid passageway 205, inside intercommunication way 206 has been seted up to the inside of bottom installation piece 3, the rotary seal structure of measurement cylindric lock 201 lower surface position equally divides do not alternate the both ends that set up in inside intercommunication way 206, and its rubber seal ring 204 that corresponds is sealed with the inner wall contact of inside intercommunication way 206, inside intercommunication way 206 communicates with the inner chamber of two measurement cylindric locks 201, coolant liquid passageway 205's inside is close to upper surface position and has been seted up and has been connected internal thread 207, can the outside coolant liquid pipeline of spiral installation through connecting internal thread 207.
The working principle is as follows: when the cylindrical gear meter is used, firstly, a cooling liquid pipeline is spirally installed through the connecting internal thread 207, external cooling liquid is introduced into the cooling liquid channel 205, the number of the cooling liquid channels 205 is two, one cooling liquid is introduced, the other cooling liquid is discharged, the cooling liquid enters the metering cylindrical teeth 201 through the upper fixed pipe 202, flows out of the fixed pipe 202 at the lower end of the metering cylindrical teeth, enters the other metering cylindrical teeth 201 through the internal communicating channel 206, flows out of the fixed pipe 202 at the upper part of the metering cylindrical teeth and is finally discharged through the other cooling liquid channel 205, the heat of the metering cylindrical teeth 201 is taken away in the circulating process of the cooling liquid in the two metering cylindrical teeth 201, the metering cylindrical teeth 201 are always in a constant temperature state, the phenomenon that the metering cylindrical teeth are clamped due to high-temperature expansion is avoided, the rubber sealing ring 204 is tightly attached and sealed with the inner walls of the cooling liquid channel 205 and the internal communicating channel 206, thereby avoiding the cooling liquid from mixing with the metering liquid and not influencing the rotation metering of the metering cylindrical teeth 201.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a microminiature cylinder type gear meter, includes upper portion installation piece (1), the lower surface fixed position of upper portion installation piece (1) installs middle part gauge block (2), the lower surface fixed position of middle part gauge block (2) installs bottom installation piece (3), screw counter bore (4) have been seted up respectively to the upper surface of upper portion installation piece (1) and the lower surface position of bottom installation piece (3) equally divide, connecting screw (5) are installed to the inside spiral of screw counter bore (4), locating pin hole (6) have been seted up to the upper surface position of upper portion installation piece (1), sensor detection hole (7) have been seted up to the upper surface position of upper portion installation piece (1), liquid through hole (8), its characterized in that have been seted up to the surface position of middle part gauge block (2): and a metering tooth mechanism with a constant temperature function is arranged in the middle metering block (2).
2. The microminiature cylindrical gear meter recited in claim 1, wherein: the metering gear mechanism comprises a metering cylindrical gear (201) which is rotatably arranged at the inner position of the middle metering block (2), and a cavity is arranged inside the metering cylindrical gear (201).
3. The microminiature cylindrical gear meter recited in claim 2, wherein: the quantity of measurement cylinder tooth (201) is one totally two, and intermeshing, the upper and lower surface position of measurement cylinder tooth (201) is equallyd divide and is provided with rotary seal structure respectively.
4. A microminiature cylindrical gear meter in accordance with claim 3, wherein: the rotary sealing structure comprises a fixed pipe (202) fixedly arranged at the center positions of the upper surface and the lower surface of the metering cylindrical tooth (201) respectively, an inner pipeline of the fixed pipe (202) is communicated with an inner cavity of the metering cylindrical tooth (201), and a sealing annular groove (203) is formed in the outer surface of the fixed pipe (202).
5. The microminiature cylindrical gear meter recited in claim 4, wherein: the sealing ring groove (203) is annular, the cross section of the sealing ring groove is semicircular, a rubber sealing ring (204) is sleeved inside the sealing ring groove (203), and the rubber sealing ring (204) is a circular ring.
6. The microminiature cylindrical gear meter recited in claim 5, wherein: coolant liquid passageway (205) have been seted up to the inside of upper portion installation piece (1), fixed pipe (202) alternate the inside that sets up at coolant liquid passageway (205), rubber seal ring (204) with the inner wall laminating of coolant liquid passageway (205) is sealed, inside intercommunication way (206) have been seted up to the inside of bottom installation piece (3), the rotatory seal structure who divides of measurement cylindric lock (201) lower surface position alternates the both ends that set up in inside intercommunication way (206) respectively, and its inner wall contact of rubber seal ring (204) and inside intercommunication way (206) that correspond is sealed, inside intercommunication way (206) and two the inner chamber intercommunication of measurement cylindric lock (201), the inside of coolant liquid passageway (205) is close to upper surface position and has seted up connection internal thread (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122199948.2U CN215832774U (en) | 2021-09-13 | 2021-09-13 | Microminiature cylindrical gear meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122199948.2U CN215832774U (en) | 2021-09-13 | 2021-09-13 | Microminiature cylindrical gear meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215832774U true CN215832774U (en) | 2022-02-15 |
Family
ID=80199341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122199948.2U Expired - Fee Related CN215832774U (en) | 2021-09-13 | 2021-09-13 | Microminiature cylindrical gear meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215832774U (en) |
-
2021
- 2021-09-13 CN CN202122199948.2U patent/CN215832774U/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 |
Granted publication date: 20220215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |