CN210799212U

CN210799212U - Double-spring oil injector of diesel engine

Info

Publication number: CN210799212U
Application number: CN201921206196.4U
Authority: CN
Inventors: 梁静丽
Original assignee: Shijiazhuang Hengxin Mechanical Equipment Co ltd
Current assignee: Shijiazhuang Hengxin Mechanical Equipment Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-19
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to the technical field of diesel engine accessories, in particular to a diesel engine double-spring oil injector, which reduces the probability of oil nozzle blockage in the diesel engine double-spring oil injector shell by adding an auxiliary filtering device, thereby improving the use reliability of the diesel engine double-spring oil injector; the double-spring oil injection device comprises a shell, wherein a working cavity is arranged in the shell, a double-spring oil injection mechanism is arranged in the working cavity, and an oil injection nozzle and an oil inlet pipe are respectively arranged at the bottom end and the right end of the working cavity; still include control box, collar, filter, handle, apron, fixture block, sealing ring, holding ring and four fastening bolt of group, the inside of control box is provided with the control chamber, the left end top of control chamber and the input intercommunication that advances oil pipe, the right-hand member bottom intercommunication in control chamber is provided with the inflow pipe, the outer circumference lateral wall of collar and the interior circumference lateral wall middle part fixed connection in control chamber, the filter top is provided with the installation component, the top of filter is run through and is provided with the filtration pore.

Description

Double-spring oil injector of diesel engine

Technical Field

The utility model relates to a diesel engine auxiliary device's technical field especially relates to a diesel engine double spring sprayer.

Background

As is well known, a dual spring fuel injector for a diesel engine is a device for reducing combustion noise and improving a combustion process of the diesel engine, which is widely used in the field of diesel engine applications; the existing diesel engine double-spring oil injector comprises a shell, wherein a working cavity is arranged in the shell, a double-spring oil injection mechanism is arranged in the working cavity, and an oil injection nozzle and an oil inlet pipe are respectively arranged at the bottom end and the right end of the working cavity; when the existing diesel engine double-spring oil injector is used, firstly, diesel oil in an oil tank enters a double-spring oil injection mechanism in a shell working cavity through an oil inlet pipe, and after the diesel oil is processed by the double-spring oil injection mechanism, the diesel oil in the working cavity is injected into a combustion chamber of a diesel engine through an oil injection nozzle; the existing diesel engine double-spring oil sprayer is found in use that the quality levels of diesel oil on the market are uneven, although an oil tank can filter the diesel oil to a certain extent, impurities with small volume in the diesel oil can still enter a shell of the diesel engine double-spring oil sprayer to block the oil nozzle due to the fact that the caliber of the oil nozzle of the diesel engine double-spring oil sprayer is very small, and therefore the use reliability of the diesel engine double-spring oil sprayer is reduced, and therefore the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an it reduces the probability that the fuel sprayer in the diesel engine double spring sprayer casing blockked up to have add supplementary filter equipment, therefore improved diesel engine double spring sprayer's use reliability to strengthen the diesel engine double spring sprayer of practicality.

The utility model discloses a diesel engine double spring oil sprayer, which comprises a shell, wherein a working cavity is arranged in the shell, a double spring oil spraying mechanism is arranged in the working cavity, and the bottom end and the right end of the working cavity are respectively provided with an oil nozzle and an oil inlet pipe; the novel oil filter comprises a control box, a mounting ring, a filter plate, a handle, a cover plate, a clamping block, a sealing ring, a positioning ring and four groups of fastening bolts, wherein the control box is internally provided with a control cavity, the top of the left end of the control cavity is communicated with the input end of an oil inlet pipe, the bottom of the right end of the control cavity is communicated with an inflow pipe, the outer circumferential side wall of the mounting ring is fixedly connected with the middle part of the inner circumferential side wall of the control cavity, the top of the filter plate is provided with a mounting component which is mounted on the mounting ring, the top of the filter plate is provided with a filter hole in a penetrating way, a fine filter screen is arranged on the filter hole, the top of the handle is provided with two groups of lifting rods, the top ends of the two groups of lifting rods are respectively connected with the left side and the right side of the, the inner circumferential side wall and the outer circumferential side wall of the sealing ring are respectively in sealed sliding close contact with the outer circumferential side wall of the clamping block and the inner circumferential side wall of the control cavity, the bottom end of the clamping block is connected with the top end of the cover plate, four groups of penetrating holes are respectively arranged on the front side, the rear side, the left side and the right side of the bottom end of the cover plate in a penetrating mode, the inner circumferential side wall of the positioning ring is connected with the bottom of the outer circumferential side wall of the control box, four groups of fastening thread grooves are respectively arranged on the front side, the rear side, the left side and the right side of the bottom end of the positioning ring, the top ends of the four groups of fastening bolts respectively penetrate through the four groups of penetrating holes from the.

The utility model discloses a two spring injector of diesel engine, the installation component includes four group's kellies and four group's hemisphere dops, the bottom of four group's kellies is connected with top front side, rear side, left side and the right side of apron respectively, the inner of four group's hemisphere dops is connected with the outer end top of four group's kellies respectively, the outer end top of four group's hemisphere dops is hugged closely with top front side, rear side, left side and the right side of collar respectively.

The utility model discloses a diesel engine double spring sprayer, coupling assembling includes seal ring, seal ring's top and bottom are sealed hugging closely with the top of the bottom of control box and apron respectively.

The utility model discloses a diesel engine double spring sprayer still includes the extrusion ring, the bottom of control box is provided with the loop type extrusion groove, the extrusion ring clamps with loop type extrusion groove, the middle part of sealing ring is located loop type extrusion inslot, sealing ring middle part top is sealed hugging closely with the top in loop type extrusion groove, top, inside wall and the lateral wall of extrusion ring all hug closely with the middle part bottom seal of sealing ring.

The utility model discloses a diesel engine double spring sprayer still includes four group's elastic gasket, four group's elastic gasket respectively with four group's fastening bolt suit, four group's elastic gasket's top is all hugged closely with the bottom of apron.

The utility model discloses a diesel engine double spring sprayer still includes the auxiliary sealing ring, the interior circumference lateral wall and the outer circumference lateral wall of auxiliary sealing ring slide with the interior circumference lateral wall of the outer circumference lateral wall of filter and control chamber respectively and tightly hug closely.

The utility model discloses a diesel engine double spring sprayer still includes the dismouting handle, the top of dismouting handle is connected with the bottom of apron.

The utility model discloses a diesel engine double spring sprayer, the bottom of dismouting handle is provided with handheld pole, the lateral wall parcel of handheld pole is provided with the antiskid cover.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, diesel oil in an oil tank enters the bottom area of a control box through an inflow pipe, then the diesel oil is filtered by a fine filter screen on a filter plate, the filtered diesel oil flows into the top of the control box and enters a shell through an oil inlet pipe, fine impurities possibly mixed in the diesel oil are filtered at the bottom of the fine filter screen, the impurities at the upper bottom of the fine filter screen are more and more along with the continuous use of the diesel engine double-spring oil sprayer, when the normal use of the diesel engine double-spring oil sprayer is influenced, the diesel engine double-spring oil sprayer is disassembled, a cover plate and a fixture block are disassembled at the bottom of the control box by unscrewing four groups of fastening bolts, a maintenance worker can disassemble and clean the mounting ring through a lifting handle strong filter plate, and the filter plate, the fixture block and the cover plate are reset after the cleaning is finished, so that the probability of blocking of an oil nozzle in the diesel engine double-spring oil sprayer shell is reduced by additionally, therefore, the use reliability of the dual-spring oil sprayer of the diesel engine is improved, and the practicability is enhanced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a partially enlarged structure of a;

fig. 3 is a schematic view of a partial enlarged structure of B of the present invention;

fig. 4 is a schematic view of the connection structure of four sets of hemispherical chucks and the filter plate according to the present invention;

in the drawings, the reference numbers: 1. a housing; 2. an oil jet; 3. an oil inlet pipe; 4. a control box; 5. a mounting ring; 6. a filter plate; 7. a handle; 8. a cover plate; 9. a clamping block; 10. a seal ring; 11. a positioning ring; 12. four groups of fastening bolts; 13. a control chamber; 14. an inflow pipe; 15. a fine filter screen; 16. two groups of lifting rods; 17. four groups of clamping rods; 18. four groups of hemispherical chucks; 19. a sealing gasket; 20. an extrusion ring; 21. an annular extrusion groove; 22. four groups of elastic gaskets; 23. an auxiliary seal ring; 24. disassembling and assembling the handle; 25. a hand-held wand; 26. an anti-slip sleeve; 27. a filtration pore; 28. cleaning the opening; 29. four sets of through holes; 30. four groups of fastening thread grooves.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the dual-spring oil injector for the diesel engine of the present invention comprises a housing 1, wherein a working chamber is arranged in the housing 1, a dual-spring oil injection mechanism is arranged in the working chamber, and an oil injection nozzle 2 and an oil inlet pipe 3 are respectively arranged at the bottom end and the right end of the working chamber; the device also comprises a control box 4, a mounting ring 5, a filter plate 6, a handle 7, a cover plate 8, a fixture block 9, a sealing ring 10, a positioning ring 11 and four groups of fastening bolts 12, wherein a control chamber 13 is arranged inside the control box 4, the top of the left end of the control chamber 13 is communicated with the input end of an oil inlet pipe 3, the bottom of the right end of the control chamber 13 is communicated with an inflow pipe 14, the outer circumferential side wall of the mounting ring 5 is fixedly connected with the middle part of the inner circumferential side wall of the control chamber 13, the top of the filter plate 6 is provided with a mounting component which is mounted on the mounting ring 5, the top end of the filter plate 6 is provided with a filter hole 27 in a penetrating way, the filter hole 27 is provided with a fine filter screen 15, the top end of the handle 7 is provided with two groups of lifting rods 16, the top ends of the two groups of lifting rods 16 are respectively connected with the left, the inner circumferential side wall and the outer circumferential side wall of the sealing ring 10 are respectively in sealing sliding close contact with the outer circumferential side wall of the clamping block 9 and the inner circumferential side wall of the control cavity 13, the bottom end of the clamping block 9 is connected with the top end of the cover plate 8, the front side, the rear side, the left side and the right side of the bottom end of the cover plate 8 are respectively provided with four groups of penetrating holes 29 in a penetrating manner, the inner circumferential side wall of the positioning ring 11 is connected with the bottom of the outer circumferential side wall of the control box 4, the front side, the rear side, the left side and the right side of the bottom end of the positioning ring 11 are respectively provided with four groups of fastening thread grooves 30, the top ends of the four groups of fastening bolts 12 respectively penetrate through the four groups of penetrating holes; firstly, diesel oil in an oil tank enters the bottom area of a control box through an inflow pipe, then the diesel oil is filtered by a fine filter screen on a filter plate, the filtered diesel oil flows into the top of the control box and enters a shell through an oil inlet pipe, fine impurities possibly mixed in the diesel oil are filtered at the bottom of the fine filter screen, the impurities at the upper bottom of the fine filter screen are more and more along with the continuous use of the diesel engine double-spring oil sprayer, when the normal use of the diesel engine double-spring oil sprayer is influenced, the diesel engine double-spring oil sprayer is disassembled, a cover plate and a fixture block are disassembled at the bottom of the control box by unscrewing four groups of fastening bolts, a maintenance worker can disassemble and clean the mounting ring through a lifting handle strong filter plate, and the filter plate, the fixture block and the cover plate are reset after the cleaning is finished, so that the probability of blocking of an oil nozzle in the diesel engine double-spring oil sprayer shell is reduced by additionally, therefore, the use reliability of the dual-spring oil sprayer of the diesel engine is improved, and the practicability is enhanced.

The utility model discloses a diesel engine double spring oil atomizer, the installation component includes four groups of kellies 17 and four groups of hemisphere dops 18, the bottom of four groups of kellies 17 is connected with top front side, rear side, left side and right side of apron 8 respectively, the inner of four groups of hemisphere dops 18 is connected with the outer end top of four groups of kellies 17 respectively, the outer end top of four groups of hemisphere dops 18 is hugged closely with top front side, rear side, left side and right side of collar 5 respectively; the filter plate is clamped on the mounting ring through the clamping rods and the four groups of hemispherical chucks, and compared with the mode that the filter plate is screwed on the mounting ring, the filter plate mounting and dismounting process is greatly simplified, so that convenience is enhanced.

The utility model discloses a diesel engine double spring oil sprayer, the connecting assembly comprises a sealing washer 19, the top end and the bottom end of the sealing washer 19 are respectively sealed and clung to the bottom end of a control box 4 and the top end of a cover plate 8; through setting up coupling assembling into seal ring, can further improve the leakproofness between control box and the apron, reduce the probability of oil leak to the practicality has been strengthened.

The utility model discloses a diesel engine double spring oil atomizer still includes extrusion ring 20, and the bottom of control box 4 is provided with annular extrusion groove 21, and extrusion ring 20 clamps with annular extrusion groove 21, and the middle part of sealing ring 10 is located annular extrusion groove 21, and the top of the middle part of sealing ring 10 is sealed hugging closely with the top of annular extrusion groove 21, and the top of extrusion ring 20, inside wall and lateral wall all are sealed hugging closely with the middle part bottom of sealing ring 10; the extrusion ring extrudes the sealing washer into the annular extrusion groove, so that a labyrinth structure appears, the sealing degree between the cover plate and the control box is improved, and the practicability is enhanced.

The utility model discloses a diesel engine double spring injector, also include four groups of elastic gaskets 22, four groups of elastic gaskets 22 are nested with four groups of fastening bolts 12 respectively, the top of four groups of elastic gaskets 22 is all hugged closely with the bottom of the cover plate 8; through the pushing effect of the four groups of spring gaskets on the four groups of fastening bolts, the probability that the four groups of fastening bolts are loosened at the bottom of the cover plate is effectively reduced, and therefore the practicability is enhanced.

The utility model discloses a diesel engine double spring oil atomizer, also include the auxiliary seal ring 23, the inner circumference lateral wall and the outer circumference lateral wall of the auxiliary seal ring 23 are respectively with the outer circumference lateral wall of the filter plate 6 and the inner circumference lateral wall of the control chamber 13 to be sealed and slidably attached; the sealing degree between the filter plate and the control cavity is improved through the auxiliary sealing ring, and the probability that fine impurities of diesel oil pass through the gap between the filter plate and the control cavity is reduced, so that the practicability is enhanced.

The utility model discloses a diesel engine double-spring oil injector, which also comprises a disassembly and assembly handle 24, wherein the top end of the disassembly and assembly handle 24 is connected with the bottom end of the cover plate 8; make the dismouting process of apron more convenient through the dismouting handle to the convenience has been strengthened.

In the dual-spring oil injector of the diesel engine, the bottom end of the dismounting handle 24 is provided with the handheld rod 25, and the outer side wall of the handheld rod 25 is wrapped with the anti-skid sleeve 26; the friction coefficient of antiskid cover is great, has consequently reduced effectively when controlling the dismouting handle, the probability that the hand breaks away from on the dismouting handle to the practicality has been strengthened.

The utility model discloses a diesel engine double spring oil atomizer, it is at work, at first the diesel oil in the oil tank has passed through the inflow pipe and has entered the bottom region of control box, then after the filtration of the fine filter screen on the filter, the diesel oil after the filtration then flows into the top of control box and enters into the casing through the oil inlet pipe, namely the diesel oil in the oil tank enters the double spring oil injection mechanism in the casing working chamber through the oil inlet pipe, after the processing of double spring oil injection mechanism, the diesel oil in the working chamber is sprayed into the diesel engine combustion chamber through the oil nozzle, and the fine impurity that probably mixes in the diesel oil is filtered in the bottom of the fine filter screen, and along with the continuous use of diesel engine double spring oil atomizer, the impurity of the upper bottom of the fine filter screen is more and more numerous, when influencing the normal use of diesel engine double spring oil atomizer, at this moment, pull down diesel, and through spin off four groups of fastening bolt and demolish apron and fixture block in the bottom of control box, maintenance personal alright can be in order to strengthen the filter through the handle and pull down the washing on the collar this moment, and the washing is finished with filter, fixture block and apron reset can.

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A double-spring oil sprayer of a diesel engine comprises a shell (1), wherein a working cavity is arranged in the shell (1), a double-spring oil spraying mechanism is arranged in the working cavity, and an oil spraying nozzle (2) and an oil inlet pipe (3) are respectively arranged at the bottom end and the right end of the working cavity; the device is characterized by further comprising a control box (4), a mounting ring (5), a filter plate (6), a handle (7), a cover plate (8), a clamping block (9), a sealing ring (10), a positioning ring (11) and four groups of fastening bolts (12), wherein a control chamber (13) is arranged inside the control box (4), the top of the left end of the control chamber (13) is communicated with the input end of an oil inlet pipe (3), the bottom of the right end of the control chamber (13) is communicated with an inflow pipe (14), the outer circumferential side wall of the mounting ring (5) is fixedly connected with the middle part of the inner circumferential side wall of the control chamber (13), a mounting assembly is arranged at the top of the filter plate (6), the mounting assembly is mounted on the mounting ring (5), a filter hole (27) is arranged at the top end of the filter plate (6) in a penetrating manner, and a fine filter screen (15, the top end of the handle (7) is provided with two groups of lifting rods (16), the top ends of the two groups of lifting rods (16) are respectively connected with the left side and the right side of the bottom end of the filter plate (6), the bottom end of the control cavity (13) is communicated with a cleaning opening (28), the clamping block (9) is fixedly clamped with the bottom area of the control cavity (13), the inner circumferential side wall and the outer circumferential side wall of the sealing ring (10) are respectively in sealed sliding fit with the outer circumferential side wall of the clamping block (9) and the inner circumferential side wall of the control cavity (13), the bottom end of the clamping block (9) is connected with the top end of the cover plate (8), four groups of penetrating holes (29) are respectively arranged on the front side, the rear side, the left side and the right side of the bottom end of the cover plate (8) in a penetrating manner, the inner circumferential side wall of the positioning ring (11) is connected with the, The rear side, the left side and the right side are respectively provided with four groups of fastening thread grooves (30), the top ends of the four groups of fastening bolts (12) respectively penetrate through the four groups of penetrating holes (29) from the lower side of the cover plate (8) and then are respectively continuously screwed and inserted into the four groups of fastening thread grooves (30), and a connecting assembly is arranged between the cover plate (8) and the control box (4).

2. The dual-spring fuel injector of the diesel engine is characterized in that the mounting assembly comprises four groups of clamping rods (17) and four groups of hemispherical chucks (18), the bottom ends of the four groups of clamping rods (17) are respectively connected with the front side, the rear side, the left side and the right side of the top end of the cover plate (8), the inner ends of the four groups of hemispherical chucks (18) are respectively connected with the tops of the outer ends of the four groups of clamping rods (17), and the tops of the outer ends of the four groups of hemispherical chucks (18) are respectively attached to the front side, the rear side, the left side and the right side of the top end of the mounting ring (5).

3. A diesel engine dual spring injector according to claim 2, characterized in that the connecting assembly comprises a sealing gasket (19), and the top end and the bottom end of the sealing gasket (19) are respectively in sealing contact with the bottom end of the control box (4) and the top end of the cover plate (8).

4. The dual-spring fuel injector of the diesel engine according to claim 3, characterized by further comprising a pressing ring (20), wherein a ring-shaped pressing groove (21) is formed in the bottom end of the control box (4), the pressing ring (20) is clamped with the ring-shaped pressing groove (21), the middle portion of the sealing ring (10) is located in the ring-shaped pressing groove (21), the top end of the middle portion of the sealing ring (10) is tightly attached to the top end of the ring-shaped pressing groove (21) in a sealing mode, and the top end, the inner side wall and the outer side wall of the pressing ring (20) are tightly attached to the bottom end of the middle portion of the sealing ring (10) in a.

5. The dual-spring fuel injector of the diesel engine according to claim 4, characterized by further comprising four sets of elastic gaskets (22), wherein the four sets of elastic gaskets (22) are respectively sleeved with four sets of fastening bolts (12), and top ends of the four sets of elastic gaskets (22) are tightly attached to the bottom end of the cover plate (8).

6. A dual spring injector for a diesel engine according to claim 5, characterized by further comprising an auxiliary seal ring (23), wherein an inner circumferential side wall and an outer circumferential side wall of said auxiliary seal ring (23) are in sealing sliding contact with an outer circumferential side wall of the filter plate (6) and an inner circumferential side wall of the control chamber (13), respectively.

7. A diesel engine dual spring injector according to claim 6, characterized by further comprising a disassembly and assembly handle (24), wherein the top end of the disassembly and assembly handle (24) is connected with the bottom end of the cover plate (8).

8. The dual-spring fuel injector of the diesel engine is characterized in that a handheld rod (25) is arranged at the bottom end of the dismounting handle (24), and an anti-skid sleeve (26) is wrapped on the outer side wall of the handheld rod (25).