CN203098279U - Driving gear shaft of gear hydraulic pump - Google Patents
Driving gear shaft of gear hydraulic pump Download PDFInfo
- Publication number
- CN203098279U CN203098279U CN 201320086494 CN201320086494U CN203098279U CN 203098279 U CN203098279 U CN 203098279U CN 201320086494 CN201320086494 CN 201320086494 CN 201320086494 U CN201320086494 U CN 201320086494U CN 203098279 U CN203098279 U CN 203098279U
- Authority
- CN
- China
- Prior art keywords
- shaft
- hydraulic pump
- driving gear
- gear
- axle
- 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
Images
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses a driving gear shaft of a gear hydraulic pump. The driving gear shaft comprises a driving gear and a shaft body, wherein the shaft body consists of a front shaft and a rear shaft, the rear shaft is shaped like a step with the thin front end and the thick rear end, the driving gear is arranged on the front shaft, the front shaft is thinner than the rear shaft and is connected with the front end of the rear shaft in an sheathing and embedding manner, and a motor shaft connecting hole is formed in the rear end of the rear shaft. The driving gear shaft of the gear hydraulic pump has the advantages that the shaft body consists of the front shaft and the rear shaft, the front shaft is thin so as to be conveniently installed in the gear hydraulic pump and incapable of affecting the whole size of the gear hydraulic pump, the front end of the rear shaft can penetrate through an oil distribution valve block, and the rear end of the rear shaft is thick, so that the size of the motor shaft connecting hole can be machined larger than that of the motor shaft connecting hole in the prior art, further the connection is convenient, and as the rear shaft is thick, the strength is high, and the transmission is stable; and in addition, the existing thin and long shaft body is divided into two sections, so that the installation and the transportation are convenient, and the practicability is strong.
Description
Technical field
The utility model relates to a kind of oil hydraulic pump, especially a kind of driving gear shaft of gear hydraulic pump.
Background technique
Oil hydraulic pump is the dynamical element of hydraulic system, and its effect is the pressure energy that the mechanical energy of prime mover is converted to liquid, refers to the oil pump in the hydraulic system, and it provides power to whole hydraulic system.The structural type of oil hydraulic pump generally has gear hydraulic pump, vane pump and plunger pump.
The gear hydraulic pump comprises upper cover body, middle case and a lower cover, in middle case, be provided with intermeshing driving gear and driven gear, be respectively oil suction chamber in the both sides of two gears and go out oil pocket, gear can be transported to out oil pocket from oil suction chamber with oil when rotating, and then extrude from the oil outlet of lower cover, wherein driving gear shaft stretches out lower cover and is used to connect motor shaft, in use, be provided with the oily distributing valve piece that is used for fuel feeding between gear hydraulic pump and the motor, driving gear shaft is comparatively elongated, is connected with motor shaft after generally passing oily distributing valve piece; This driving gear shaft is because thinner, and therefore (especially when being connected with motor shaft) is comparatively inconvenient when mounted, and intensity is also relatively poor, therefore is necessary the driving gear shaft of existing gear hydraulic pump is improved.
Summary of the invention
The purpose of this utility model is the driving gear shaft of the gear hydraulic pump a kind of easy for installation that designs for the deficiency that solves above-mentioned technology.
The driving gear shaft of the gear hydraulic pump that the utility model is designed, comprise driving gear and axis body, described axis body is made up of front axle and rear axle two-part, described rear axle is step-like that front end is thin, the rear end is thick, described front axle is provided with described driving gear, described front axle is narrower than described rear axle and front axle and is nested with the rear axle front end and is connected, and the rear end of described rear axle is provided with the motor shaft attachment hole.
As preferably:
Shaft end is provided with square dop before described, and described rear axle front end is provided with a hole clipping that is used to hold described square dop, and the place ahead of hole clipping is provided with the receiving bore that is used to hold front axle;
Described motor shaft attachment hole is the Magen David hole;
Described motor shaft attachment hole is a cross bore;
Described motor shaft attachment hole is that the end is four jiaos of circular star holes;
Described axis body is a stainless steel.
The driving gear shaft of the gear hydraulic pump that the utility model is designed, its beneficial effect is: axis body is made up of front axle and rear axle two-part, front axle more carefully can be installed in the gear hydraulic pump easily and can not influence the overall dimensions of gear hydraulic pump, it is thicker that the rear axle front end can pass the rear end of oily distributing valve piece, rear axle, its motor shaft attachment hole can be done than bigger in the prior art, and is more convenient when therefore connecting, and because rear axle is thicker, therefore intensity is higher, and is also more stable during transmission; On the other hand, existing elongated axis body is divided into two sections, installs, transportation is all more convenient, and practicability is stronger.
Description of drawings
Fig. 1 is embodiment's 1 structural representation;
Fig. 2 is the side view of embodiment's 1 rear axle;
Fig. 3 is embodiment's 2 structural representations;
Fig. 4 is the structural representation of embodiment's 2 rear axles;
Fig. 5 is the side view of embodiment's 3 rear axles;
Fig. 6 is the side view of embodiment's 4 rear axles;
Among the figure: driving gear 1, axis body 2, front axle 3, square dop 31, rear axle 4, hole clipping 41, receiving bore 42, motor shaft attachment hole 5.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment 1:
As shown in Figure 1, 2, the driving gear shaft of the described gear hydraulic pump of present embodiment, comprise driving gear 1 and axis body 2, described axis body 2 is made up of front axle 3 and rear axle 4 two-part, and described rear axle 4 is step-like that front end is thin, the rear end is thick, and described front axle 3 is provided with described driving gear 1, described front axle 3 is narrower than described rear axle 4 and front axle 3 and is nested with rear axle 4 front ends and is connected, the rear end of described rear axle 4 is provided with motor shaft attachment hole 5, and wherein, described motor shaft attachment hole 5 is the Magen David hole;
The driving gear shaft of the described gear hydraulic pump of present embodiment, its beneficial effect is: axis body 2 is made up of front axle 3 and rear axle 4 two-part, front axle 3 more carefully can be installed in the gear hydraulic pump easily and can not influence the overall dimensions of gear hydraulic pump, it is thicker that rear axle 4 front ends can pass the rear end of oily distributing valve piece, rear axle 4, its motor shaft attachment hole 5 can be done than bigger in the prior art, more convenient when therefore connecting, and because rear axle 4 is thicker, therefore intensity is higher, and is also more stable during transmission; On the other hand, existing elongated axis body 2 is divided into two sections, installs, transportation is all more convenient, and practicability is stronger; Moreover motor shaft attachment hole 5 is the Magen David hole, and such structure has that transmission stability is good, motor shaft and the non-damageable advantage of attachment hole.
Embodiment 2:
Shown in Fig. 3,4, the driving gear shaft of the described gear hydraulic pump of present embodiment, as different from Example 1: described front axle 3 ends are provided with square dop 31, described rear axle 4 front ends are provided with a hole clipping 41 that is used to hold described square dop 31, and the place ahead of hole clipping 41 is provided with the receiving bore 42 that is used to hold front axle 3.Such structure, front axle 3 is more convenient with being connected of rear axle 4, and transmission is effective.
Embodiment 3:
As shown in Figure 5, the driving gear shaft of the described gear hydraulic pump of present embodiment, as different from Example 1: described motor shaft attachment hole 5 is a cross bore, such structure has also that transmission stability is good, motor shaft and the non-damageable advantage of attachment hole.
Embodiment 4:
As shown in Figure 6, the driving gear shaft of the described gear hydraulic pump of present embodiment, as different from Example 1: described motor shaft attachment hole 5 is four jiaos of circular star holes.Such structure has also that transmission stability is good, motor shaft and the non-damageable advantage of attachment hole.
In the foregoing description, described axis body 2 is preferably stainless steel, but also can be other materials.
Specific embodiment described herein only is that design of the present utility model is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (9)
1. the driving gear shaft of a gear hydraulic pump, comprise driving gear (1) and axis body (2), it is characterized in that described axis body (2) is made up of front axle (3) and rear axle (4) two-part, described rear axle (4) is step-like that front end is thin, the rear end is thick, described front axle (3) is provided with described driving gear (1), described front axle (3) is narrower than described rear axle (4) and front axle (3) and is nested with rear axle (4) front end and is connected, and the rear end of described rear axle (4) is provided with motor shaft attachment hole (5).
2. the driving gear shaft of gear hydraulic pump according to claim 1, it is characterized in that described front axle (3) end is provided with square dop (31), described rear axle (4) front end is provided with a hole clipping (41) that is used to hold described square dop (31), and the place ahead of hole clipping (41) is provided with the receiving bore (42) that is used to hold front axle (3).
3. the driving gear shaft of gear hydraulic pump according to claim 1 and 2 is characterized in that described motor shaft attachment hole (5) is the Magen David hole.
4. the driving gear shaft of gear hydraulic pump according to claim 1 and 2 is characterized in that described motor shaft attachment hole (5) is cross bore.
5. the driving gear shaft of gear hydraulic pump according to claim 1 and 2 is characterized in that described motor shaft attachment hole (5) is four jiaos of circular star holes for the end.
6. the driving gear shaft of gear hydraulic pump according to claim 1 and 2 is characterized in that described axis body (2) is a stainless steel.
7. the driving gear shaft of gear hydraulic pump according to claim 3 is characterized in that described axis body (2) is a stainless steel.
8. the driving gear shaft of gear hydraulic pump according to claim 4 is characterized in that described axis body (2) is a stainless steel.
9. the driving gear shaft of gear hydraulic pump according to claim 5 is characterized in that described axis body (2) is a stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086494 CN203098279U (en) | 2013-02-25 | 2013-02-25 | Driving gear shaft of gear hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086494 CN203098279U (en) | 2013-02-25 | 2013-02-25 | Driving gear shaft of gear hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098279U true CN203098279U (en) | 2013-07-31 |
Family
ID=48849687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086494 Expired - Fee Related CN203098279U (en) | 2013-02-25 | 2013-02-25 | Driving gear shaft of gear hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203098279U (en) |
-
2013
- 2013-02-25 CN CN 201320086494 patent/CN203098279U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103542063A (en) | Gear | |
| CN203098279U (en) | Driving gear shaft of gear hydraulic pump | |
| CN204979122U (en) | Hydraulic pressure bicycle | |
| CN209053154U (en) | The mounting structure of electric loader hydraulic pump | |
| CN202812070U (en) | Gear structure of fuel injection pump | |
| CN202672232U (en) | Device for elevating water | |
| CN205309752U (en) | Plunger pump assembly line | |
| CN203412662U (en) | Double-pump transmission part of diesel engine | |
| CN204627891U (en) | A kind of engine fuel transfer pump | |
| CN201027655Y (en) | Reducing multi-stage centrifugal pump | |
| CN204263937U (en) | The driving device of dilly | |
| CN203585782U (en) | Oil injection type axial bearing | |
| CN204327644U (en) | A kind of electrohydraulic circulator | |
| CN201731041U (en) | Input shaft of planetary reduction gear | |
| CN204109797U (en) | Drive associated apparatus and there is the MPV (Multi-Purpose Vehicle) of this device | |
| CN203670202U (en) | Two-way gear pump | |
| CN103775280A (en) | Power structure for changing circumference due to linear pushing of hydraulic pistons | |
| CN202646127U (en) | Pump shaft mounting mechanism of multistage water pump | |
| CN203130991U (en) | Oil filling device of automobile gearbox | |
| CN203742919U (en) | Multi-functional alternate treading pump | |
| CN103790821A (en) | Hydraulic power unit for glass fiber reinforced plastic yacht | |
| CN201763923U (en) | Bevel gear | |
| CN202646141U (en) | Rotor for water pump | |
| CN201884275U (en) | Herringbone gear for high-pressure water pumps | |
| CN204647808U (en) | Reinforced motor vehicle engine oil pump |
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 |
Granted publication date: 20130731 Termination date: 20150225 |
|
| EXPY | Termination of patent right or utility model |