CN207847932U - A kind of gear pump that anti-safety valve body falls off - Google Patents
A kind of gear pump that anti-safety valve body falls off Download PDFInfo
- Publication number
- CN207847932U CN207847932U CN201820031676.0U CN201820031676U CN207847932U CN 207847932 U CN207847932 U CN 207847932U CN 201820031676 U CN201820031676 U CN 201820031676U CN 207847932 U CN207847932 U CN 207847932U
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- gear
- pump
- pump case
- safety valve
- shaft
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Abstract
The utility model discloses a kind of gear pumps that anti-safety valve body falls off, and belong to positive displacement gear oil pump technical field.Driving gear and driven gear are installed inside the pump case, it is provided with driving shaft on the driving gear, and pump case junction is provided with upper end cover and sealing gland above driving shaft, the upper end of the driving shaft is equipped with shaft coupling, it is provided with driven shaft on the driven gear, using vertical assembly method, mounting area is small, self-priming performance is good, it is with small vibration, low noise, solves the problems, such as the pocketed oil in gear pump operating, significantly reduce the uneven radial load generated when gear operation, greatly reduce pressure pulse, reduce gear wear, and it is easily installed maintenance, simultaneously the structure that valve seat is fixed in valve seat outer diameter is compressed using jackscrew, to ensure that jackscrew will not fall off again, improve the safety of pump.
Description
Technical field
The utility model is related to a kind of gear pumps that anti-safety valve body falls off, and belong to positive displacement gear oil pump technical field.
Background technology
Gear pump is with one of extremely extensive important device in commercial Application, especially in hydraulic drive and control
Occupy prodigious proportion in technology, it has, and simple in structure, small, light-weight, self-priming performance is good, anti-pollution, using it is reliable,
It lasts a long time, manufacture the features such as easy, easy to maintenance, cheap.
At present then the valve seat in the safety valve of VG series is fixed, but most with valve casing with top wire hole is bored with M6 jackscrews
Eventually because being easy to happen the irregular situation of gluing, jackscrew loosens, falls off and pump work is caused to stop in the long-term operating of pump
Accident occurs.
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of gears that anti-safety valve body falls off
Pump.
The gear pump that the anti-safety valve body of the utility model falls off, it includes driving shaft, driving gear, upper end cover, sealing
Gland, electric machine support, shaft coupling, driven shaft, driven gear, safety valve, valve casing, valve seat, jackscrew, pump case, bottom end cover and pedestal,
Driving gear and driven gear are installed inside the pump case, driving shaft, and driving shaft are provided on the driving gear
Top is provided with upper end cover and sealing gland with pump case junction, and the upper end of the driving shaft is equipped with shaft coupling, described
Driven shaft is provided on driven gear, the pump case lower end is equipped with bottom end cover, and bottom end cover is fixed by bolt and pedestal
Connection, pump case top are equipped with electric machine support, safety valve are equipped on the left of the pump case.
Preferably, symmetrical herringbone structure centered on the driving gear and driven gear.
Preferably, the valve casing of the safety valve is provided with jackscrew with valve seat junction, and silk plug is equipped with outside jackscrew
Sealing.
Preferably, the pump case front end is equipped with entrance, pump case rear end is equipped with outlet, and outlet diameter is straight less than entrance
Diameter.
The beneficial effects of the utility model：Its structure is simple, reasonable design, using vertical assembly method, mounting area
Small, self-priming performance is good, with small vibration, low noise, solves the problems, such as the pocketed oil in gear pump operating, when significantly reducing gear operation
The uneven radial load of generation, greatly reduces pressure pulse, reduces gear wear, and is easily installed maintenance, while profit
The structure that valve seat is fixed with jackscrew compression valve seat outer diameter improves the safety of pump to ensure that jackscrew will not fall off again.
Description of the drawings
The utility model is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1.
Reference numeral：Driving shaft 1, driving gear 2, upper end cover 3, sealing gland 4, electric machine support 5, shaft coupling 6, driven shaft
7, driven gear 8, safety valve 9, valve casing 9-1, valve seat 9-2, jackscrew 9-3, pump case 10, bottom end cover 11, pedestal 12.
Specific implementation mode
As Figure 1-Figure 2, present embodiment uses following technical scheme：It include driving shaft 1, driving gear 2,
Upper end cover 3, sealing gland 4, electric machine support 5, shaft coupling 6, driven shaft 7, driven gear 8, safety valve 9, valve casing 9-1, valve seat 9-
2, jackscrew 9-3, pump case 10, bottom end cover 11 and pedestal 12 are equipped with driving gear 2 and driven gear 8 inside the pump case 10,
Symmetrical herringbone structure centered on the driving gear 2 and driven gear 8 is provided with driving shaft on the driving gear 2
1, and 1 top of driving shaft is provided with upper end cover 3 and sealing gland 4, the upper end installation of the driving shaft 1 with 10 junction of pump case
There is shaft coupling 6, is provided with driven shaft 7 on the driven gear 8,10 lower end of pump case is equipped with bottom end cover 11, and under
End cap 11 is fixedly connected by bolt with pedestal 12, and 10 top of pump case is equipped with electric machine support 5, and the pump case 10 is left
Side is equipped with safety valve 9, and the junction valve casing 9-1 and valve seat 9-2 of the safety valve 9 is provided with jackscrew 9-3, and jackscrew 9-3
Outside be equipped with silk plug seal, 10 front end of pump case be equipped with entrance, 10 rear end of pump case be equipped with outlet, and outlet diameter be less than into
Mouth diameter.
Present embodiment operation principle is：Motor is mounted on electric machine support 5, and motor shaft is driven by shaft coupling 6
Driving shaft 1 rotates, and to drive oil pump to run, oil body is effectively transported to outlet from 10 entrance of pump case；The valve seat of safety valve 9
When 9-2 is assembled, first uses rubber bistrique to polish valve casing 9-1 endoporus, remove flash removed, component is cleaned, antirust treatment, then by valve seat
The outer diameter of 9-2 applies suitable binder, and valve seat 9-2 is pressed into valve casing 9-1 using tooling, finally uses application binder
Jackscrew 9-3 firmly withstands valve seat 9-2, and jackscrew 9-3 external application silk plugs seal.Since jackscrew 9-3 only withstands on the outer of valve seat 9-2
On diameter, it will not fall off to valve casing 9-1, and outside is sealed with silk plug, it is possibility to have the loosening for preventing jackscrew 9-3 of effect, from
And fully achieve purpose originally, removal originally repeat limit, to greatly improve assembling convenience and pump safety.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of gear pump that anti-safety valve body falls off, it is characterised in that：It includes driving shaft (1), driving gear (2), upper end
Cover (3), sealing gland (4), electric machine support (5), shaft coupling (6), driven shaft (7), driven gear (8), safety valve (9), valve casing
(9-1), valve seat (9-2), jackscrew (9-3), pump case (10), bottom end cover (11) and pedestal (12), the internal peace of the pump case (10)
Equipped with driving gear (2) and driven gear (8), driving shaft (1) is provided on the driving gear (2), and on driving shaft (1)
Side is provided with upper end cover (3) and sealing gland (4) with pump case (10) junction, and the upper end of the driving shaft (1) is equipped with connection
Axis device (6) is provided with driven shaft (7) on the driven gear (8), and the pump case (10) lower end is equipped with bottom end cover
(11), and bottom end cover (11) is fixedly connected by bolt with pedestal (12), and electric machine support is equipped with above the pump case (10)
(5), safety valve (9) is installed on the left of the pump case (10).
2. the gear pump that a kind of anti-safety valve body according to claim 1 falls off, it is characterised in that：The driving gear
(2) symmetrical herringbone structure and centered on driven gear (8).
3. the gear pump that a kind of anti-safety valve body according to claim 1 falls off, it is characterised in that：The safety valve
(9) valve casing (9-1) is provided with jackscrew (9-3) with the junction valve seat (9-2), and is equipped with silk plug outside jackscrew (9-3) and seals.
4. the gear pump that a kind of anti-safety valve body according to claim 1 falls off, it is characterised in that：The pump case (10)
Front end is equipped with entrance, and pump case (10) rear end is equipped with outlet, and outlet diameter is less than inlet diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820031676.0U CN207847932U (en) | 2018-01-09 | 2018-01-09 | A kind of gear pump that anti-safety valve body falls off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820031676.0U CN207847932U (en) | 2018-01-09 | 2018-01-09 | A kind of gear pump that anti-safety valve body falls off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207847932U true CN207847932U (en) | 2018-09-11 |
Family
ID=63417635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820031676.0U Active CN207847932U (en) | 2018-01-09 | 2018-01-09 | A kind of gear pump that anti-safety valve body falls off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207847932U (en) |
-
2018
- 2018-01-09 CN CN201820031676.0U patent/CN207847932U/en active Active
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