CN209557232U - Hydraulic gear pump - Google Patents
Hydraulic gear pump Download PDFInfo
- Publication number
- CN209557232U CN209557232U CN201920202159.XU CN201920202159U CN209557232U CN 209557232 U CN209557232 U CN 209557232U CN 201920202159 U CN201920202159 U CN 201920202159U CN 209557232 U CN209557232 U CN 209557232U
- Authority
- CN
- China
- Prior art keywords
- pump case
- cavity part
- partition
- gear
- driving gear
- 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
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- Rotary Pumps (AREA)
Abstract
The utility model belongs to gear pump field, especially hydraulic gear pump, for the existing lesser problem of gear pump power, now propose following scheme, it includes pump case, drive end bearing bracket and rear end cap, the both ends of the pump case are separately installed with drive end bearing bracket, rear end cap, the bosom position of the pump case is equipped with partition, the inside of pump case includes upper cavity part and lower cavity part, upper cavity part and lower cavity part are partitioned into two parts, the inside of upper cavity part set there are two be located at partition two sides driving gear, driving gear shaft is mounted on driving gear, one end of driving gear shaft is rotatably connected on partition, the other end of two driving gear shafts extends respectively to the external side of drive end bearing bracket and rear end cap, the driven gear positioned at lower cavity part is engaged on the side wall of driving gear, driven gear shaft is mounted on driven gear.The present apparatus realizes the secondary booster for importing liquid, so that its power is stronger, using effect is good.
Description
Technical field
The utility model relates to gear pump technical field more particularly to hydraulic gear pumps.
Background technique
Hydraulic gear pump is that swept volume changes and movement is to convey liquid by being formed by between pumping cylinder and meshing gear
Or it is allowed to the drum pump being pressurized, two enclosure spaces are formed by two gears, the pump housing and front and rear covers, existing gear pump only has one
Group gear, power is often smaller, thus it is proposed that a kind of hydraulic gear pump.
Utility model content
The utility model proposes hydraulic gear pump, solve the problems, such as that existing gear pump power is lesser.
To achieve the goals above, the utility model adopts the technical scheme that
Hydraulic gear pump, including pump case, drive end bearing bracket and rear end cap, the both ends of the pump case be separately installed with drive end bearing bracket, after
End cap, the bosom position of the pump case are equipped with partition, and the inside of pump case includes upper cavity part and lower cavity part, and upper cavity part is under
Cavity portion is partitioned into two parts, and the inside of upper cavity part sets that there are two the driving gear for being located at partition two sides, driving gears
On be mounted on driving gear shaft, one end of driving gear shaft is rotatably connected on partition, the other end of two driving gear shafts
It extends respectively to the external side of drive end bearing bracket and rear end cap, the driven tooth positioned at lower cavity part is engaged on the side wall of driving gear
It takes turns, is mounted on driven gear shaft on driven gear, driven gear shaft is rotatably connected on the two sides side wall of lower cavity part, the pump
Be separately installed with inlet tube and outlet tube in the one side wall of shell, inlet tube and outlet tube are located at the two sides of partition, and inlet tube and
For outlet tube between driving gear and driven gear, the partition is provided with delivery hole far from the side of inlet tube.
Preferably, the drive end bearing bracket and rear end cap are fixed by screws on pump case, and drive end bearing bracket and rear end cap and pump
The junction of shell is equipped with sealing ring.
Preferably, the partition is an integral structure with pump case.
Preferably, the inner wall of the driving gear and driven gear and pump case is slidably connected.
Preferably, one layer of wearing layer is provided on the surface of internal cavity of the pump case.
The utility model has the beneficial effects that
Pass through two driving gears, driving gear shaft, partition, delivery hole, two driven gears, driven gear shaft, feed liquors
The setting of pipe and fluid hole, can be realized and be pressurized twice, so that its power is stronger, using effect is good；
The present apparatus realizes the secondary booster for importing liquid, so that its power is stronger, using effect is good.
Detailed description of the invention
Fig. 1 be the utility model proposes hydraulic gear pump structural schematic diagram.
Fig. 2 be the utility model proposes hydraulic gear pump broken section structural schematic diagram.
Fig. 3 be the utility model proposes hydraulic gear pump local overlooking structural schematic diagram.
Fig. 4 be the utility model proposes hydraulic gear pump partition and delivery hole structural schematic diagram.
Figure label: 1 drive end bearing bracket, 2 partitions, 3 pump cases, 4 driving gears, 5 driving gear shafts, 6 rear end caps, 7 screws, 8 from
Movable gear shaft, 9 driven gears, 10 delivery holes, 11 inlet tubes, 12 outlet tubes.
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.
Referring to Fig.1-4, hydraulic gear pump, including pump case 3, drive end bearing bracket 1 and rear end cap 6, the both ends of the pump case 3 are pacified respectively
Equipped with drive end bearing bracket 1, rear end cap 6, the bosom position of the pump case 3 is equipped with partition 2, and the inside of pump case 3 includes upper cavity part
And lower cavity part, upper cavity part and lower cavity part are divided into two parts by partition 2, the inside of upper cavity part sets that there are two be located at 2 liang of partition
The driving gear 4 of side is mounted on driving gear shaft 5 on driving gear 4, and one end of driving gear shaft 5 is rotatably connected on partition 2
On, the other end of two driving gear shafts 5 extends respectively to the external side of drive end bearing bracket 1 and rear end cap 6, the side of driving gear 4
It is engaged with the driven gear 9 positioned at lower cavity part on wall, is mounted on driven gear shaft 8 on driven gear 9,8 turns of driven gear shaft
It is dynamic to be connected on the two sides side wall of lower cavity part, it is separately installed with inlet tube 11 and outlet tube 12 in the one side wall of the pump case 3, into
Liquid pipe 11 and outlet tube 12 are located at the two sides of partition 2, and inlet tube 11 and outlet tube 12 are located at driving gear 4 and driven gear 9
Between, the partition 2 is provided with delivery hole 10 far from the side of inlet tube 11.
The drive end bearing bracket 1 and rear end cap 6 are fixed on pump case 3 by screw 7, and drive end bearing bracket 1 and rear end cap 6 and pump case
3 junction is equipped with sealing ring, and partition 2 is an integral structure with pump case 3, driving gear 4 and driven gear 9 and pump case 3
Inner wall is slidably connected, and one layer of wearing layer is provided on the surface of internal cavity of pump case 3.
Working principle:
When in use, one end of two driving gear shafts 5 is respectively connected with power device, and drives turning for driving gear shaft 5
Move it is contrary, rotation when, by 11 pumping liquid of inlet tube, be pumped into separately from the junction of driving gear 4 and driven gear 9
Then side is pumped into the pressurised chamber of the other side by delivery hole 10, then again in driving gear 4 and driven gear 9
Under pressurization, it is pumped into the other side from the junction side of driving gear 4 and driven gear 9, is then pumped out by outlet tube 12, it can
Realization is pressurized twice, so that its power is stronger, using effect is good.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than a, unless otherwise specifically defined.
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. hydraulic gear pump, including pump case (3), drive end bearing bracket (1) and rear end cap (6), which is characterized in that the two of the pump case (3)
End is separately installed with drive end bearing bracket (1), rear end cap (6), and the bosom position of the pump case (3) is equipped with partition (2), pump case
(3) inside includes upper cavity part and lower cavity part, and upper cavity part and lower cavity part are divided into two parts by partition (2), upper cavity part it is interior
Portion sets that there are two the driving gears (4) for being located at partition (2) two sides, is mounted on driving gear shaft (5) on driving gear (4), main
One end of movable gear shaft (5) is rotatably connected on partition (2), and the other end of two driving gear shafts (5) extends respectively to front end
The external side of (1) and rear end cap (6) is covered, the driven gear (9) positioned at lower cavity part is engaged on the side wall of driving gear (4),
It being mounted on driven gear (9) driven gear shaft (8), driven gear shaft (8) is rotatably connected on the two sides side wall of lower cavity part,
Inlet tube (11) and outlet tube (12), inlet tube (11) and outlet tube (12) are separately installed in the one side wall of the pump case (3)
Positioned at the two sides of partition (2), and inlet tube (11) and outlet tube (12) are located between driving gear (4) and driven gear (9), institute
It states partition (2) and is provided with delivery hole (10) far from the side of inlet tube (11).
2. hydraulic gear pump according to claim 1, which is characterized in that the drive end bearing bracket (1) and rear end cap (6) pass through
Screw (7) is fixed on pump case (3), and the junction of drive end bearing bracket (1) and rear end cap (6) and pump case (3) is equipped with sealing ring.
3. hydraulic gear pump according to claim 1, which is characterized in that the partition (2) is integral type knot with pump case (3)
Structure.
4. hydraulic gear pump according to claim 1, which is characterized in that the driving gear (4) and driven gear (9) with
The inner wall of pump case (3) is slidably connected.
5. hydraulic gear pump according to claim 1, which is characterized in that be provided on the surface of internal cavity of the pump case (3)
One layer of wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202159.XU CN209557232U (en) | 2019-02-15 | 2019-02-15 | Hydraulic gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202159.XU CN209557232U (en) | 2019-02-15 | 2019-02-15 | Hydraulic gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557232U true CN209557232U (en) | 2019-10-29 |
Family
ID=68310921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920202159.XU Expired - Fee Related CN209557232U (en) | 2019-02-15 | 2019-02-15 | Hydraulic gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557232U (en) |
-
2019
- 2019-02-15 CN CN201920202159.XU patent/CN209557232U/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: 20191029 Termination date: 20210215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |