CN219570231U

CN219570231U - Novel fuel injector structure

Info

Publication number: CN219570231U
Application number: CN202320722915.8U
Authority: CN
Inventors: 陈亮; 李明; 高振航; 纪春榕; 李晓钟; 高树新; 高文明
Original assignee: Laiyang Laidong Oil Pump And Nozzles Co ltd
Current assignee: Laiyang Laidong Oil Pump And Nozzles Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-22
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a novel oil sprayer structure which comprises an installation connecting seat, wherein the bottom of the installation connecting seat is communicated with an oil inlet pipe. According to the utility model, the connecting pipe, the first clamping groove, the box body, the sliding groove, the moving plate, the sliding sleeve, the sliding rod, the first spring, the first pull rod, the first pull block, the second clamping groove, the second spring, the movable plate, the second pull rod, the second pull block, the second clamping block, the sliding plate and the first clamping block are mutually matched, so that the advantage of convenient disassembly and maintenance of the fuel injector structure is achieved, the clamping block is directly pulled out when the fuel injector structure fails, the fuel injector structure is taken down for direct maintenance, the maintenance personnel can conveniently disassemble and maintain the fuel injector structure, the problem that time and labor are wasted when maintenance personnel disassemble the fuel injector structure by means of tools is avoided, the tightness of the fuel injector structure is increased, and the maintenance difficulty of the fuel injector structure is reduced.

Description

Novel fuel injector structure

Technical Field

The utility model relates to the technical field of fuel injectors, in particular to a novel fuel injector structure.

Background

The fuel injector is a precise device with very high processing precision, and is required to have large dynamic flow range, strong anti-blocking and anti-pollution capability and good atomization performance, the fuel injector receives a fuel injection pulse signal sent by the ECU, the fuel injection quantity is precisely controlled, the spray characteristics of the fuel injector comprise atomization granularity, oil mist distribution, oil beam direction, range, diffusion cone angle and the like, and the characteristics are required to meet the requirements of a diesel engine combustion system so as to perfect the formation and combustion of mixed gas and obtain higher power and thermal efficiency.

When the fuel is sprayed, the fuel injector structure is required, the current fuel injector structure does not have the function of convenient disassembly and maintenance, so that when the fuel injector structure fails, maintenance personnel are required to disassemble the fuel injector structure by means of tools, the time and labor waste of the maintenance personnel are caused, the maintenance difficulty of the fuel injector structure is increased, and therefore, the novel fuel injector structure is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a novel oil sprayer structure, which has the advantage of convenient disassembly and maintenance of the oil sprayer structure, and solves the problems that the existing oil sprayer structure does not have the function of convenient disassembly and maintenance, so that maintenance personnel is required to disassemble the oil sprayer structure by means of tools when the oil sprayer structure fails, and time and labor are wasted easily for the maintenance personnel.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel sprayer structure, includes the installation connecting seat, the bottom intercommunication of installation connecting seat has an oil feed pipe, the top of installation connecting seat is provided with the sprayer body, the bottom intercommunication of sprayer body has the connecting pipe, first draw-in groove has all been seted up to the both sides of sprayer body, the equal fixedly connected with box in top of installation connecting seat both sides, the sliding tray has been seted up at the top of box, the inner chamber of box is provided with the movable plate, the bottom fixedly connected with sliding sleeve of movable plate, the inner chamber sliding connection of sliding sleeve has the slide bar, the outer end of slide bar and the inner wall fixed connection of box, the surface cover of slide bar is equipped with first spring, the outside fixedly connected with first pull rod of movable plate, the outer end of first pull rod runs through to the outside of box and fixedly connected with first pull block, the second draw-in groove has all been seted up to the both sides at first pull rod top, the top fixedly connected with second spring of movable plate inner wall, the bottom fixedly connected with fly leaf of second spring, the bottom fixedly connected with fly leaf top of second spring, the inner chamber fixedly connected with second draw-in plate, the bottom of second draw-in plate and the inner chamber fixedly connected with top of second draw-in plate, the top of second draw-in plate.

As a preferable scheme, the top and the bottom of the surface of the connecting pipe are both connected with sealing rings in an adhesive mode, and the surface of each sealing ring is contacted with the inner wall of the mounting connecting seat.

As the preferable scheme, first spout has been seted up to the bottom of box inner wall, the inner chamber sliding connection of first spout has first slider, the top of first slider and the bottom fixed connection of sliding sleeve.

As the preferable scheme, the top of box inner wall one side has seted up the second spout, the inner chamber sliding connection of second spout has the second slider, the right side of second slider and the left side fixed connection of fly leaf.

Preferably, the length and the width of the inner cavity of the sliding groove are larger than those of the sliding plate, and the height of the inner cavity of the sliding groove is smaller than that of the sliding plate.

As a preferable scheme, the inner end of the first spring is fixedly connected with the surface of the sliding sleeve, and the outer end of the first spring is fixedly connected with the inner wall of the box body.

As the preferable scheme, the top outside the box body is provided with a through groove, and the diameter of the inner cavity of the through groove is larger than that of the first pull rod.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the connecting pipe, the first clamping groove, the box body, the sliding groove, the moving plate, the sliding sleeve, the sliding rod, the first spring, the first pull rod, the first pull block, the second clamping groove, the second spring, the movable plate, the second pull rod, the second pull block, the second clamping block, the sliding plate and the first clamping block are mutually matched, so that the advantage of convenient disassembly and maintenance of the fuel injector structure is achieved, the clamping block is directly pulled out when the fuel injector structure fails, the fuel injector structure is taken down for direct maintenance, the maintenance personnel can conveniently disassemble and maintain the fuel injector structure, the problem that time and labor are wasted when maintenance personnel disassemble the fuel injector structure by means of tools is avoided, the tightness of the fuel injector structure is increased, and the maintenance difficulty of the fuel injector structure is reduced.

According to the utility model, the sealing ring is arranged to seal the gap between the mounting connecting seat and the connecting pipe, so that the tightness of the inner cavity of the mounting connecting seat is increased, the first sliding groove and the first sliding block are arranged to stabilize the sliding sleeve and the moving plate during movement, the stability of the sliding sleeve and the moving plate during movement is increased, the second sliding groove and the second sliding block are arranged to stabilize the moving plate during movement, the stability of the moving plate during movement is increased, the sliding groove is arranged to facilitate left and right movement of the sliding plate and the first clamping block, the first spring is arranged to facilitate elastic resetting of the sliding sleeve, and the penetrating groove is arranged to facilitate movement of the first pull rod.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the front structure of the present utility model;

FIG. 3 is an enlarged sectional view of the internal structure of the case of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.

In the figure: 1. installing a connecting seat; 2. an oil inlet pipe; 3. a fuel injector body; 4. a connecting pipe; 5. a first clamping groove; 6. a case; 7. a sliding groove; 8. a moving plate; 9. a sliding sleeve; 10. a slide bar; 11. a first spring; 12. a first pull rod; 13. a first pull block; 14. a second clamping groove; 15. a second spring; 16. a movable plate; 17. a second pull rod; 18. a second pull block; 19. a second clamping block; 20. a sliding plate; 21. a first clamping block; 22. a seal ring; 23. a first chute; 24. a first slider; 25. a second chute; 26. and a second slider.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a novel fuel injector structure comprises a mounting connection seat 1, wherein the bottom of the mounting connection seat 1 is communicated with a fuel inlet pipe 2, the top of the mounting connection seat 1 is provided with a fuel injector body 3, the bottom of the fuel injector body 3 is communicated with a connecting pipe 4, both sides of the fuel injector body 3 are provided with first clamping grooves 5, the tops of both sides of the mounting connection seat 1 are fixedly connected with a box body 6, the top of the box body 6 is provided with a sliding groove 7, the inner cavity of the box body 6 is provided with a movable plate 8, the bottom of the movable plate 8 is fixedly connected with a sliding sleeve 9, the inner cavity of the sliding sleeve 9 is in sliding connection with a sliding rod 10, the outer end of the sliding rod 10 is fixedly connected with the inner wall of the box body 6, the surface of the sliding rod 10 is sleeved with a first spring 11, the outer end of the movable plate 8 is fixedly connected with a first pull rod 12, the outer end of the first pull rod 12 penetrates to the outer part of the box body 6 and is fixedly connected with a first pull block 13, the second clamping groove 14 is formed in two sides of the top of the first pull rod 12, the second spring 15 is fixedly connected to the top of the inner wall of the moving plate 8, the movable plate 16 is fixedly connected to the bottom of the second spring 15, the second pull rod 17 is fixedly connected to the center of the top of the movable plate 16, the top of the second pull rod 17 penetrates to the top of the box body 6 and is fixedly connected with the second pull block 18, the second clamping block 19 is fixedly connected to the bottom of the movable plate 16, the bottom of the second clamping block 19 penetrates to the inner cavity of the second clamping groove 14, the sliding plate 20 is fixedly connected to the top of the moving plate 8, the surface of the sliding plate 20 is in sliding connection with the inner cavity of the sliding groove 7, the top of the sliding plate 20 penetrates to the top of the box body 6, the first clamping block 21 is fixedly connected to the top of the inner side of the sliding plate 20, the inner end of the first clamping block 21 penetrates to the inner cavity of the first clamping groove 5, the connecting pipe 4, the first clamping groove 5 is formed by the arrangement of, the box 6, the sliding tray 7, the movable plate 8, the sliding sleeve 9, the slide bar 10, first spring 11, first pull rod 12, first pull block 13, second draw-in groove 14, second spring 15, fly leaf 16, second pull rod 17, second pull block 18, second fixture block 19, sliding plate 20 and first fixture block 21 mutually support, the advantage of convenient dismantlement maintenance to the sprayer structure has been reached, make the sprayer structure when breaking down, directly pull out the fixture block, take off the sprayer structure and directly maintain, make things convenient for the maintenance personal to dismantle the maintenance to the sprayer structure, the maintenance personal has been avoided needs the maintenance personal to dismantle the sprayer structure with the help of the instrument and has caused the maintenance personal to appear wasting time and energy the problem, simultaneously also can increase the leakproofness of sprayer structure, the maintenance degree of difficulty of sprayer structure has been reduced.

The top and the bottom of connecting pipe 4 surface all bond and are connected with sealing washer 22, and the surface of sealing washer 22 contacts with the inner wall of installation connecting seat 1.

Through above-mentioned technical scheme, through setting up sealing washer 22, play sealed effect to the gap between installation connecting seat 1 and the connecting pipe 4, increased the leakproofness of installation connecting seat 1 inner chamber.

The bottom of the inner wall of the box body 6 is provided with a first chute 23, the inner cavity of the first chute 23 is connected with a first slide block 24 in a sliding way, and the top of the first slide block 24 is fixedly connected with the bottom of the sliding sleeve 9.

Through above-mentioned technical scheme, through setting up first spout 23 and first slider 24, play the stable effect when moving to sliding sleeve 9 and movable plate 8, increased the stability when sliding sleeve 9 and movable plate 8 remove.

A second sliding groove 25 is formed in the top of one side of the inner wall of the box body 6, a second sliding block 26 is connected to the inner cavity of the second sliding groove 25 in a sliding mode, and the right side of the second sliding block 26 is fixedly connected with the left side of the movable plate 16.

Through above-mentioned technical scheme, through setting up second spout 25 and second slider 26, play the steady effect when moving to fly leaf 16, increased the stability when moving of fly leaf 16.

The length and width of the inner cavity of the sliding groove 7 are larger than those of the sliding plate 20, and the height of the inner cavity of the sliding groove 7 is smaller than that of the sliding plate 20.

Through above-mentioned technical scheme, through setting up sliding tray 7, play the effect of conveniently controlling the removal to sliding plate 20 and first fixture block 21.

The inner end of the first spring 11 is fixedly connected with the surface of the sliding sleeve 9, and the outer end of the first spring 11 is fixedly connected with the inner wall of the box 6.

Through above-mentioned technical scheme, through setting up first spring 11, play the effect that makes things convenient for elasticity to reset to sliding sleeve 9.

The top outside the box 6 is provided with a through groove, and the diameter of the inner cavity of the through groove is larger than that of the first pull rod 12.

Through the above technical scheme, through the arrangement of the through groove, the first pull rod 12 is conveniently moved.

The working principle of the utility model is as follows: when the oil sprayer body 3 is disassembled and maintained, the second pull block 18 is pulled firstly, the second pull block 18 moves to drive the second pull rod 17 to start moving, the second pull rod 17 moves to drive the movable plate 16 to extrude towards the second spring 15, the movable plate 16 moves to drive the second sliding block 26 to slide in the inner cavity of the second sliding groove 25, the movable plate 16 moves to drive the second clamping block 19 to leave the inner cavity of the second clamping groove 14 on the outer side, then the first pull block 13 is pulled again, the first pull block 13 moves to drive the first pull rod 12 to start moving, the first pull rod 12 moves to drive the movable plate 8 to start moving, the movable plate 8 moves to drive the sliding sleeve 9 to slide on the surface of the sliding rod 10, the sliding sleeve 9 moves to drive the first sliding block 24 to slide in the inner cavity of the first sliding groove 23, the sliding sleeve 9 moves to extrude towards the first spring 11, and simultaneously the movable plate 8 moves to drive the sliding plate 20 to slide in the inner cavity of the sliding groove 7, the sliding plate 20 moves to drive the first clamping block 21 to leave the inner cavity of the first clamping groove 5, then the second pulling block 18 is loosened, the movable plate 16, the second pulling rod 17, the second pulling block 18 and the second clamping block 19 are reset through the elastic force of the second spring 15, the second clamping block 19 is reset and clamped into the inner cavity of the second clamping groove 14 on the inner side, finally the oil sprayer body 3 is taken down, the connecting pipe 4 and the sealing ring 22 leave the inner cavity of the installation connecting seat 1, then the oil sprayer body 3 is directly maintained, the clamping block is directly pulled out when the oil sprayer structure fails, the oil sprayer structure is directly maintained after being taken down, the maintenance personnel can conveniently disassemble and maintain the oil sprayer structure, the problem that time and labor are wasted by maintenance personnel due to the fact that the maintenance personnel disassemble the oil sprayer structure by means of tools is avoided, the sealing property of the oil sprayer structure can be increased, the maintenance difficulty of the oil sprayer structure is reduced, thereby achieving the advantage of convenient disassembly and maintenance of the fuel injector structure.

When the oil sprayer body 3 is installed, the connecting pipe 4 and the sealing ring 22 are inserted into the inner cavity of the installation connecting seat 1, the second pull block 18 is pulled, the second pull block 18 moves to drive the second pull rod 17 to start moving, the second pull rod 17 moves to drive the movable plate 16 to extrude towards the second spring 15, the movable plate 16 moves to drive the second clamping block 19 to leave the inner cavity of the second clamping groove 14, the sliding sleeve 9 is reset through the elastic force of the first spring 11, the sliding sleeve 9 resets to drive the movable plate 8, the first pull rod 12, the first pull block 13, the sliding plate 20 and the first clamping block 21 to reset, the first clamping block 21 resets and is clamped into the inner cavity of the first clamping groove 5, then the second pull block 18 is loosened, and the movable plate 16, the second pull rod 17, the second pull block 18 and the second clamping block 19 reset through the elastic force of the second spring 15, and the second clamping block 19 resets and is clamped into the inner cavity of the second clamping groove 14 at the outer side.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel fuel injector structure, including installation connecting seat (1), its characterized in that: the utility model discloses a fuel injector, including installation connecting seat (1), oil pipe (2) are provided with to the bottom intercommunication of installation connecting seat (1), the top of installation connecting seat (1) is provided with sprayer body (3), the bottom intercommunication of sprayer body (3) has connecting pipe (4), first draw-in groove (5) have all been seted up to the both sides of sprayer body (3), the equal fixedly connected with box (6) in top of installation connecting seat (1), sliding groove (7) have been seted up at the top of box (6), the inner chamber of box (6) is provided with movable plate (8), the bottom fixedly connected with sliding sleeve (9) of movable plate (8), the inner chamber sliding connection of sliding sleeve (9) has slide bar (10), the outer end of slide bar (10) and the inner wall fixedly connected with of box (6), the surface cover of slide bar (10) is equipped with first spring (11), the outside fixedly connected with first pull rod (12) of movable plate (8), the outer end of first pull rod (12) runs through to the outside of box (6) and fixedly connected with first spring (16) of first pull rod (16), the second spring (15) both sides are connected with first spring (15), the center department fixedly connected with second pull rod (17) at fly leaf (16) top, the top of second pull rod (17) runs through to the top of box (6) and fixedly connected with second pull block (18), the bottom fixedly connected with second fixture block (19) of fly leaf (16), the bottom of second fixture block (19) runs through to the inner chamber of second draw-in groove (14), the top fixedly connected with sliding plate (20) of fly leaf (8), the surface and the inner chamber sliding connection of sliding tray (7) of sliding plate (20), the top of sliding plate (20) runs through to the top of box (6), the inboard top fixedly connected with first fixture block (21) of sliding plate (20), the inner of first fixture block (21) runs through to the inner chamber of first draw-in groove (5).

2. The novel fuel injector structure of claim 1, wherein: the top and the bottom of connecting pipe (4) surface all bond and are connected with sealing washer (22), the surface of sealing washer (22) contacts with the inner wall of installation connecting seat (1).

3. The novel fuel injector structure of claim 1, wherein: the novel sliding box is characterized in that a first sliding groove (23) is formed in the bottom of the inner wall of the box body (6), a first sliding block (24) is connected to the inner cavity of the first sliding groove (23) in a sliding mode, and the top of the first sliding block (24) is fixedly connected with the bottom of the sliding sleeve (9).

4. The novel fuel injector structure of claim 1, wherein: the top of box (6) inner wall one side has seted up second spout (25), the inner chamber sliding connection of second spout (25) has second slider (26), the right side of second slider (26) and the left side fixed connection of fly leaf (16).

5. The novel fuel injector structure of claim 1, wherein: the length and the width of the inner cavity of the sliding groove (7) are larger than those of the sliding plate (20), and the height of the inner cavity of the sliding groove (7) is smaller than that of the sliding plate (20).

6. The novel fuel injector structure of claim 1, wherein: the inner end of the first spring (11) is fixedly connected with the surface of the sliding sleeve (9), and the outer end of the first spring (11) is fixedly connected with the inner wall of the box body (6).

7. The novel fuel injector structure of claim 1, wherein: the top outside box (6) has seted up the groove that runs through, and runs through the diameter in groove inner chamber and be greater than the diameter of first pull rod (12).