CN204785473U - Take grease squirt of relief valve - Google Patents
Take grease squirt of relief valve Download PDFInfo
- Publication number
- CN204785473U CN204785473U CN201520506596.2U CN201520506596U CN204785473U CN 204785473 U CN204785473 U CN 204785473U CN 201520506596 U CN201520506596 U CN 201520506596U CN 204785473 U CN204785473 U CN 204785473U
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- Prior art keywords
- oil
- valve body
- adjusting screw
- safety valve
- pump
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Abstract
The utility model relates to a mechanical lubrication equipment technical field specifically indicates a take grease squirt of relief valve, including drive machine, respectively with oil tank and oil pump that the drive machine both ends are connected and install a plurality of plunger pump on the oil tank, wherein, the oil -out of oil pump is provided with the relief valve, the relief valve is including the valve body that has the block, be equipped with in the valve body with the case of valve body clearance fit, be equipped with adjusting screw in the valve body, adjusting screw extends to in the case, be equipped with the spring in the case, the spring cup joints adjusting screw is last, the last lock nut that is equipped with of adjusting screw, the utility model adopts the above structure, install the relief valve on the oil -out through the low pressure oil pump at the grease squirt to can increase the control to oil pump pressure, when hypertonia, surpass the relief valve setting value, the oil spill play is opened to the case, gets back to the oil inlet, makes pressure keep in the range of set value always. (B /)
Description
Technical field
The utility model relates to mechanical lubrication equipment technical field, specifically refers to a kind of oil gun with safety valve.
Background technique
Oil gun is one of equipment capital equipment of centrifugal oil pump oil supply system.Existing common oil gun can only be used for the equipment not high to pressure requirements, and pressure is had to the equipment of requirement, and this type of oil gun just can not meet actual user demand.
At present, existing Chinese invention patent, application number is 201210420929.0 disclose a kind of pedal high pressure oil gun, comprise base, oil gun bucket, oil gun lid, foot-operated connecting plate, filling pump, high pressure hose, grease gun, oiling non-return mechanism, described oiling non-return mechanism is made up of needle-valve pump core, the ports valve pump housing, truncated cone spiral compression spring, the outer device of safety check; Needle-valve pump core loads ports valve pump housing one end, and truncated cone spiral compression spring small end face is connected with the needle-valve pump core the other end.Technique scheme complex structure, and effectively can not control pressure fuel pump.
Model utility content
The utility model makes improvements for above-mentioned prior art Problems existing, and namely the technical problems to be solved in the utility model is to provide a kind of oil gun with safety valve.
For solving the problem, the utility model provides following technological scheme:
A kind of oil gun with safety valve, comprise drive motor, the fuel tank be connected with described drive motor two ends respectively and oil pump, and several plunger pumps be arranged on described fuel tank, cam main shaft is provided with in described fuel tank, one end of described cam main shaft is connected with case axle connecting body assembly, the other end coupling shaft bearing of described cam main shaft, one end of described drive motor is successively by the first coupling, planetary speed reducer is connected with described case axle connecting body assembly, the other end of described drive motor passes through flange successively, second coupling is connected with described oil pump, the oil outlet of described oil pump is provided with safety valve, described safety valve comprises the valve body with block, the spool coordinated with described valve body activity is provided with in described valve body, adjusting screw is provided with in described valve body, described adjusting screw extends in described spool, spring is provided with in described spool, described spring housing is connected in described adjusting screw, and described adjusting screw is provided with locking nut, described valve body is provided with flow-off, described flow-off communicates with described spool, the underpart of described valve body is respectively equipped with filler opening and oil outlet, described spool and be provided with cavity between described filler opening and oil outlet, and described cavity communicates with described filler opening and oil outlet.
Further, O type circle is provided with between described spool and described valve body.
Further, the flow-off of described valve body is connected by the filler opening of pipeline with described oil pump.
Further, described valve body is aluminum alloy valve body.
Further, described oil pump is low pressure fuel pump.
Further, described fuel tank is stainless steel fuel tank.
Beneficial effect: a kind of oil gun with safety valve described in the utility model, several plunger pumps comprising drive motor, the fuel tank be connected with described drive motor two ends respectively and oil pump and be arranged on described fuel tank, wherein, the oil outlet of described oil pump is provided with safety valve; Described safety valve comprises the valve body with block, the spool coordinated with described valve body activity is provided with in described valve body, adjusting screw is provided with in described valve body, described adjusting screw extends in described spool, spring is provided with in described spool, described spring housing is connected in described adjusting screw, and described adjusting screw is provided with locking nut; The utility model adopts said structure, by mounting safety valve on the oil outlet of the low pressure fuel pump of oil gun, thus the control that can increase pressure fuel pump, when overpressure, exceed safety valve setting value, spool is opened oil spill and is gone out, and gets back to filler opening, and pressure is remained in range of set value always.In sum, this oil gun is reasonable in design, structure is simple, not only can provide extreme pressure lubricant, can also provide the lubricant oil of low pressure and mass flow simultaneously, and add the control to pressure, fuel feeding be maintained stable; Can be and the mechanical transmission such as chemical industry, oil refining, freezing, oxygen, metallurgy, mining machinery, marine engine, heavy tractor, rubber, plastics, printing machinery, light and textile industries does pressure lubrication.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation installing valve in the utility model.
Fig. 3 is the connection diagram of safety valve and oil pump in the utility model.
Description of reference numerals: drive motor 1, fuel tank 2, oil pump 3, plunger pump 4, cam main shaft 5, case axle connecting body assembly 6, bearing support 7, the first coupling 8, planetary speed reducer 9, flange 10, the second coupling 11, safety valve 12, block 13, valve body 14, spool 15, adjusting screw 16, spring 17, locking nut 18, flow-off 19, filler opening 20, oil outlet 21, cavity 22, O type circle 23, pipeline 24.
Embodiment
Below in conjunction with Figure of description and embodiment, embodiment of the present utility model is described in further detail:
With reference to a kind of oil gun with safety valve of Fig. 1, Fig. 2, Fig. 3, several plunger pumps 4 comprising drive motor 1, the fuel tank 2 be connected with described drive motor 1 two ends respectively and oil pump 3 and be arranged on described fuel tank 2, wherein, above-mentioned drive motor 1 is two shaft anti-explosion motors, and this drive motor 1 plays gearing to the fuel tank 2 at two ends, left and right and oil pump 3, in addition, oil pump 3 described here is low pressure fuel pump, plunger pump 4 is high-pressure plunger pump, and the number of plunger pump 3 is 8, when reality uses, can determine according to the number of user's lubricating point, the object of design is like this, make this oil gun not only can provide extreme pressure lubricant, low pressure and mass flow lubricant oil can also be provided simultaneously, meanwhile, described fuel tank 2 is stainless steel fuel tank, adds man-hour actual, and corrosion resistant plate can be adopted to be welded, and compared with traditional fuel tank, has the advantages such as sound construction, volume be little, lightweight, non-leakage, elegant in appearance, cam main shaft 5 is provided with in described fuel tank 2, when as installed, 8 cams installed by cam main shaft 5, be convenient to like this match with above-mentioned 8 plunger pumps 3, one end of described cam main shaft 5 is connected with case axle connecting body assembly 6, the other end coupling shaft bearing 7 of described cam main shaft 5, one end of described drive motor 1 is successively by the first coupling 8, planetary speed reducer 9 is connected with described case axle connecting body assembly 6, the other end of described drive motor 1 is successively by flange 10, second coupling 11 is connected with described oil pump 3, when above-mentioned drive motor 1 rotates, the high-pressure system at two ends and low pressure fuel pump can be driven to work simultaneously, the oil outlet of described oil pump 3 is provided with safety valve 12, described safety valve 12 comprises the valve body 14 with block 13, the spool 15 coordinated with described valve body 14 activity is provided with in described valve body 14, in the present embodiment, described valve body 14 is aluminum alloy valve body, compared with the safety valve of conventional cast structure, there is volume little, lightweight, can be applicable to being arranged on oil pump, and install, convenient disassembly, be provided with adjusting screw 16 in described valve body 14, described adjusting screw 16 extends in described spool 15, is provided with spring 17 in described spool 15, and described spring 17 is socketed in described adjusting screw 16, and described adjusting screw 16 is provided with locking nut 18, described valve body 14 is provided with flow-off 19, described flow-off 19 communicates with described spool 15, wherein, here flow-off 19 is a through hole, specifically can squeeze on valve body 14 and extend to spool 15 man-hour adding, the underpart of described valve body 14 is respectively equipped with filler opening 20 and oil outlet 21, described spool 15 and be provided with cavity 22 between described filler opening 20 and oil outlet 21, and described cavity 22 communicates with described filler opening 20 and oil outlet 21, the object of such design is, when overpressure, exceed safety valve 12 setting value, spool 15 is opened, and oil is overflowed through flow-off 19 by cavity 22, gets back to the filler opening of oil pump 3.
With reference to Fig. 2, be provided with O type circle 23 between described spool 15 and described valve body 14, the object of design is like this, can strengthen the sealing effect between spool 15 and described valve body 14 further by this O type circle 23, avoids occurring entering phenomenon outside oil stream.
With reference to Fig. 3, the flow-off 19 of described valve body 14 is connected with the filler opening of described oil pump 3 by pipeline 24, and wherein, pipeline 24 is here stainless steel pipeline, and the order of design is like this, light weight, volume is little, easy for installation.
The working principle of the present embodiment: first by mounting safety valve 12 on the oil outlet of low pressure fuel pump, and adopt pipeline 24 to be connected on the filler opening of low pressure fuel pump, when oil pump 3 is when the range of set value of safety valve 12, oil directly passes through; When oil pressure exceedes setting value, oil backs down spool 15 by cavity 22, and oil overflows from flow-off 19 and is back to the filler opening of oil pump 3 through piping 24, so circulates, the pressure of oil pump is remained in range of set value always.
In sum, this oil gun can not only provide extreme pressure lubricant, can also to provide the lubricant oil of low pressure and mass flow simultaneously, and on the oil outlet of oil pump setting pressure valve, add the control to pressure fuel pump, pressure is remained in range of set value always, ensure that the continuous stability of fuel feeding.
The above, it is only preferred embodiment of the present utility model, not any restriction is made to technical scope of the present utility model, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (6)
1. the oil gun with safety valve, comprise drive motor (1), the fuel tank (2) be connected with described drive motor (1) two ends respectively and oil pump (3), and several plunger pumps (4) be arranged on described fuel tank (2), cam main shaft (5) is provided with in described fuel tank (2), one end of described cam main shaft (5) is connected with case axle connecting body assembly (6), the other end coupling shaft bearing (7) of described cam main shaft (5), it is characterized in that: one end of described drive motor (1) is successively by the first coupling (8), planetary speed reducer (9) is connected with described case axle connecting body assembly (6), the other end of described drive motor (1) is successively by flange (10), second coupling (11) is connected with described oil pump (3), the oil outlet of described oil pump (3) is provided with safety valve (12), described safety valve (12) comprises the valve body (14) with block (13), the spool (15) coordinated with described valve body (14) activity is provided with in described valve body (14), adjusting screw (16) is provided with in described valve body (14), described adjusting screw (16) extends in described spool (15), spring (17) is provided with in described spool (15), described spring (17) is socketed in described adjusting screw (16), and described adjusting screw (16) is provided with locking nut (18), described valve body (14) is provided with flow-off (19), described flow-off (19) communicates with described spool (15), the underpart of described valve body (14) is respectively equipped with filler opening (20) and oil outlet (21), described spool (15) and be provided with cavity (22) between described filler opening (20) and oil outlet (21), described cavity (22) communicates with described filler opening (20) and oil outlet (21).
2. a kind of oil gun with safety valve according to claim 1, is characterized in that: be provided with O type circle (23) between described spool (15) and described valve body (14).
3. a kind of oil gun with safety valve according to claim 1, is characterized in that: the flow-off (19) of described valve body (14) is connected by the filler opening of pipeline (24) with described oil pump (3).
4. a kind of oil gun with safety valve according to claim 1, is characterized in that: described valve body (14) is aluminum alloy valve body.
5. a kind of oil gun with safety valve according to claim 1, is characterized in that: described oil pump (3) is low pressure fuel pump.
6. a kind of oil gun with safety valve according to claim 1, is characterized in that: described fuel tank (2) is stainless steel fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520506596.2U CN204785473U (en) | 2015-07-14 | 2015-07-14 | Take grease squirt of relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520506596.2U CN204785473U (en) | 2015-07-14 | 2015-07-14 | Take grease squirt of relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204785473U true CN204785473U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520506596.2U Expired - Fee Related CN204785473U (en) | 2015-07-14 | 2015-07-14 | Take grease squirt of relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204785473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613007A (en) * | 2018-06-20 | 2018-10-02 | 安徽力威精工机械有限公司 | A kind of outer admission outside-exit type oil syringe |
-
2015
- 2015-07-14 CN CN201520506596.2U patent/CN204785473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613007A (en) * | 2018-06-20 | 2018-10-02 | 安徽力威精工机械有限公司 | A kind of outer admission outside-exit type oil syringe |
| CN108613007B (en) * | 2018-06-20 | 2023-09-08 | 安徽力威精工机械有限公司 | External inlet and outlet type oil injector |
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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 |
Granted publication date: 20151118 Termination date: 20160714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |