CN204419563U - Gear pump - Google Patents
Gear pump Download PDFInfo
- Publication number
- CN204419563U CN204419563U CN201520028912.XU CN201520028912U CN204419563U CN 204419563 U CN204419563 U CN 204419563U CN 201520028912 U CN201520028912 U CN 201520028912U CN 204419563 U CN204419563 U CN 204419563U
- Authority
- CN
- China
- Prior art keywords
- pump impeller
- pump
- gear
- fixedly installed
- parallel key
- Prior art date
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 108010066057 cabin-1 Proteins 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of gear pump, is formed by sealing gear pump cabin, driving mechanism, operation mechanism, filter screen and sealing plate; During gear pump work, first transmission shaft is rotated counterclockwise by external force, first transmission shaft drives the first pump impeller and the first pinion rotation, first gear driven second pinion rotation, second gear drives the second pump impeller to rotate by second driving shaft, first pump impeller and the second pump impeller synchronous axial system, in rotation process, air or liquid enter in the first cabin body by filter screen, top, sealing gear pump cabin is entered from the first pump impeller and the second pump impeller both sides, first pump impeller and the second pump impeller high speed rotating, air or liquid are discharged by through hole.The utility model structure is simple, good airproof performance, volume are little, multi-functional, noise is low, energy-saving efficiency is high, price is low, reliable operation, self-priming performance are good, easy to maintenance, speed range occurs the situation of killing greatly and not easily.
Description
Technical field
The utility model relates to a kind of pump, particularly a kind of gear pump.
Background technique
Pump is the class major product in mechanical industry, very extensive in live and work, also be the indispensable part of social development, China's pump industry is growing up after the foundation of new China, particularly since reform and opening-up, pump industry is developed rapidly, existing air pump mostly is conventional piston air pump, conventional piston air pump volume is large, complex structure, noise is large, working pressure is low, energy-saving efficiency is low, to space, site requirements is high, existing water pump mostly is common blade wheel water pump, common blade wheel pump working pressure is low, poor from absorption, speed range is little.
Summary of the invention
The purpose of this utility model is that existing conventional piston air pump volume is large, complex structure, noise are large, energy-saving efficiency is low in order to solve, high to space, site requirements, the problems such as common blade wheel pump working pressure is low, poor from absorption, speed range is little, and a kind of gear pump is provided.
The utility model is formed by sealing gear pump cabin, driving mechanism, operation mechanism, filter screen and sealing plate;
Sealing gear pump cabin comprises upper cover, lower cover and several stuffing box bearing, and upper cover and lower cover are fixedly installed by otic placode, and upper tops has through hole, and several stuffing box bearing is fixedly installed in upper cover and lower cover;
Driving mechanism comprises the first gear, the first gear, the first transmission shaft, second driving shaft, the first parallel key, the second parallel key, the 3rd parallel key and the 4th parallel key, first pump impeller is fixedly installed on the first transmission shaft by the first parallel key, second pump impeller is fixedly installed on second driving shaft by the second parallel key, and the first transmission shaft and second driving shaft are arranged in sealing gear pump cabin;
Operation mechanism comprises the first pump impeller and the second pump impeller, first pump impeller is fixedly installed on the first transmission shaft by the 3rd parallel key, second pump impeller is fixedly installed on second driving shaft by the 4th parallel key, first pump impeller is identical with the second pump housing shape and structure, concave arc groove radius is R1, convex arc radius is R, and the gap of the first pump impeller convex arc and the second pump impeller concave arc groove is S, R1=R+S;
Filter screen and sealing plate are fixedly installed on bottom gear sealed compartment respectively;
The first described pump impeller has the first pump impeller arc shoulder, and the second pump impeller has the second pump impeller arc shoulder, and the circle at the first pump impeller arc shoulder place contacts with the circle that the second pump impeller arc takes on place.
Working principle of the present utility model and process:
During gear pump work, first transmission shaft is rotated counterclockwise by external force, first transmission shaft drives the first pump impeller and the first pinion rotation, first gear driven second pinion rotation, second gear drives the second pump impeller to rotate by second driving shaft, first pump impeller and the second pump impeller synchronous axial system, in rotation process, air or liquid enter in the first cabin body by filter screen, top, sealing gear pump cabin is entered from the first pump impeller and the second pump impeller both sides, first pump impeller and the second pump impeller high speed rotating, air or liquid are discharged by through hole.
The beneficial effects of the utility model:
Structure is simple, good airproof performance, working pressure are high, volume is little, multi-functional, noise is low, energy-saving efficiency is high, price is low, reliable operation, self-priming performance are good, easy to maintenance, speed range occurs the situation of killing greatly and not easily.
Accompanying drawing explanation
fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is the utility model parts schematic perspective views.
Fig. 3 is the utility model cross-sectional schematic.
Fig. 4 the utility model schematic perspective view.
Fig. 5 the utility model driving mechanism schematic perspective view.
Fig. 6 the utility model pump impeller is arc shoulder cross-sectional schematic.
Fig. 7 the utility model sealing gear pump cabin schematic perspective view.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 7, be embodiment of the present utility model, be made up of sealing gear pump cabin 1, driving mechanism 2, operation mechanism 3, filter screen 4 and sealing plate 5;
Sealing gear pump cabin 1 comprises upper cover 11, lower cover 12 and several stuffing box bearing 13, and upper cover 11 and lower cover 12 are fixedly installed by otic placode 14, and through hole 15 is arranged at upper cover 11 top, and several stuffing box bearing 13 is fixedly installed in upper cover 11 and lower cover 12;
Driving mechanism 2 comprises the first gear 21, first gear 22, first transmission shaft 23, second driving shaft 24, first parallel key 25, second parallel key 26, the 3rd parallel key 27 and the 4th parallel key 28, first pump impeller 31 is fixedly installed on the first transmission shaft 23 by the first parallel key 25, second pump impeller 32 is fixedly installed on second driving shaft 24 by the second parallel key 26, and the first transmission shaft 23 and second driving shaft 24 are arranged in sealing gear pump cabin 1;
Operation mechanism 3 comprises the first pump impeller 31 and the second pump impeller 32, first pump impeller 31 is fixedly installed on the first transmission shaft 23 by the 3rd parallel key 26, second pump impeller 32 is fixedly installed on second driving shaft 24 by the 4th parallel key 28, first pump impeller 31 is identical with the second pump housing 32 shape and structure, concave arc groove 35 radius is R1, convex arc 33 radius is R, and the gap of the first pump impeller convex arc 33 and the second pump impeller concave arc groove 35 is S, R1=R+S;
Filter screen 4 and sealing plate 5 are fixedly installed on bottom gear sealed compartment respectively;
As shown in Figure 6, the first described pump impeller 31 has first pump impeller arc shoulder the 37, second pump impeller 32 and has the circle that second pump impeller arc shoulder the 38, first pump impeller arc takes on 37 places and contact with the circle that the second pump impeller arc takes on 38 places.
The working principle of the present embodiment and process are:
During gear pump work, first transmission shaft 23 is rotated counterclockwise by external force, first transmission shaft 23 drives the first pump impeller 31 and the first gear 23 to rotate, first gear 21 drives the second gear 22 to rotate, second gear 22 drives the second pump impeller 32 to rotate by second driving shaft 24, first pump impeller 31 and the second pump impeller 32 synchronous axial system, in rotation process, air or liquid enter in the first cabin body 16 by filter screen 4, top, sealing gear pump cabin 1 is entered from the first pump impeller 31 and the second pump impeller 32 both sides, first pump impeller 31 and the second pump impeller 32 high speed rotating, air or liquid are discharged by through hole 15.
Claims (2)
1. a gear pump, is characterised in that: be made up of sealing gear pump cabin (1), driving mechanism (2), operation mechanism (3), filter screen (4) and sealing plate (5);
Sealing gear pump cabin (1) comprises upper cover (11), lower cover (12) and several stuffing box bearing (13), upper cover (11) and lower cover (12) are fixedly installed by otic placode (14), through hole (15) is arranged at upper cover (11) top, and several stuffing box bearing (13) is fixedly installed in upper cover (11) and lower cover (12);
Driving mechanism (2) comprises the first gear (21), the first gear (22), the first transmission shaft (23), second driving shaft (24), the first parallel key (25), the second parallel key (26), the 3rd parallel key (27) and the 4th parallel key (28), first pump impeller (31) is fixedly installed on the first transmission shaft (23) by the first parallel key (25), second pump impeller (32) is fixedly installed on second driving shaft (24) by the second parallel key (26), and the first transmission shaft (23) and second driving shaft (24) are arranged in sealing gear pump cabin (1);
Operation mechanism (3) comprises the first pump impeller (31) and the second pump impeller (32), first pump impeller (31) is fixedly installed on the first transmission shaft (23) by the 3rd parallel key (26), second pump impeller (32) is fixedly installed on second driving shaft (24) by the 4th parallel key (28), first pump impeller (31) is identical with second pump housing (32) shape and structure, concave arc groove (35) radius is R1, convex arc (33) radius is R, first pump impeller convex arc (33) is S, R1=R+S with the gap of the second pump impeller concave arc groove (35);
Described filter screen (4) and sealing plate (5) are fixedly installed on bottom gear sealed compartment respectively.
2. a kind of gear pump according to claim 1, be characterised in that: described the first pump impeller (31) has the first pump impeller arc shoulder (37), second pump impeller (32) has the second pump impeller arc shoulder (38), and the circle at first pump impeller arc shoulder (37) place contacts with the circle that the second pump impeller arc takes on (38) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028912.XU CN204419563U (en) | 2015-01-16 | 2015-01-16 | Gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028912.XU CN204419563U (en) | 2015-01-16 | 2015-01-16 | Gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419563U true CN204419563U (en) | 2015-06-24 |
Family
ID=53469941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520028912.XU Expired - Fee Related CN204419563U (en) | 2015-01-16 | 2015-01-16 | Gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204419563U (en) |
-
2015
- 2015-01-16 CN CN201520028912.XU patent/CN204419563U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 |