Quick mounting mechanism for fuel injector shell

Abstract

The utility model provides a fuel injector shell fast installation mechanism which comprises a fuel injector shell, a cavity is formed in the top of the fuel injector shell, a fast installation mechanism is arranged in the cavity, the fast installation mechanism comprises a moving assembly and a fixing assembly, and the front side and the rear side of the cavity are fixedly connected with placing plates. According to the fuel injector body installing device, the rapid installing mechanism is arranged, the moving assembly is arranged, the fixing assembly can be driven to move up and down, the fixing assembly can clamp the left side face and the right side top of the fixing ring through the up-down movement of the fixing assembly, and the fuel injector body is placed on the left side face and the right side top of the fixing ring; the oil injector body is prevented from displacing in the cavity or falling out through the cavity, so that the oil injector shell and the oil injector body are quickly mounted and dismounted, and the situation that when the oil injector shell or the oil injector body is damaged, the whole device needs to be scrapped is avoided.

Description

Technical Field

[0001] The utility model relates to a fuel injector, in particular to a fuel injector housing quick-install mechanism, belonging to the technical field of fuel injectors. Background Art

[0002] The fuel injector is a precision component with very high machining accuracy. It is required to have a large dynamic flow range, strong anti-clogging and anti-pollution capabilities, and good atomization performance. The fuel injector receives the injection pulse signal sent by the ECU and accurately controls the fuel injection amount. The spray characteristics of the fuel injector include atomization particle size, oil mist distribution, oil beam direction, range, and diffusion cone angle. These characteristics should meet the requirements of the diesel engine combustion system to ensure perfect mixture formation and combustion, and obtain high power and thermal efficiency.

[0003] A Chinese patent publication (publication number: CN 216477638 U3) discloses a fuel injector, which includes a fuel injector housing and a fuel injector pair. The contact surfaces of the fuel injector housing and the fuel injector pair during docking are respectively a first docking surface and a second docking surface. The first docking surface is provided with a pin, and the second docking surface is provided with a pin groove adapted to the pin and used for inserting the pin during docking. The first docking surface and the second docking surface are configured as matching inclined surfaces so that the first docking surface is used to support the end of the needle valve during docking. The fuel injector of the utility model, by changing the configuration of the contact surfaces when the fuel injector housing and the fuel injector pair are docked, prevents the needle valve from falling out of the fuel injector pair, thereby reducing docking difficulty and improving docking efficiency.

[0004] The above patent lacks a mechanism for quickly installing and removing the injector housing and the injector assembly. As a result, in actual use, if the injector housing or the injector assembly is damaged, the entire device must be scrapped, resulting in high usage costs.

[0005] Therefore, a quick-install mechanism for a fuel injector housing is proposed. Utility Model Content

[0006] In view of this, the present invention provides a quick-install mechanism for a fuel injector housing to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0007] The technical solution of the present utility model is achieved as follows: it includes an injector housing, a cavity is formed on the top of the injector housing, a quick installation mechanism is provided in the cavity, the quick installation mechanism includes a moving component and a fixed component, a placement plate is fixedly connected to the front and rear sides of the cavity, an injector body is placed on the top of the placement plate, a fixing ring is fixedly connected to the outer surface of the injector body, and a rotation groove is formed on the front side of the cavity.

[0008] Further preferably, the moving assembly includes a rotating rod, which is rotatably connected to the front and rear sides of the cavity, and the front side of the rotating rod passes through the inner side of the injector housing and extends to the outside, the outer surface of the rotating rod is fixedly connected to a gear, and the right side of the gear is engaged with a gear plate through teeth.

[0009] The locking lever is secured to a location on the top of the locking lever, and the locking lever is secured to a location on the top of the locking lever, the locking lever being secured to a location on the bottom of the locking lever and being capable of locking.

[0010] Further preferably, a sliding groove is opened on the right side of the cavity, a sliding rod is fixedly connected to the right side of the tooth plate, and the sliding rod is slidably connected to the inner side of the sliding groove.

[0011] Further preferably, swing grooves are provided on both the left and right sides of the cavity, the front and rear sides of the L-shaped plate are rotatably connected to the swing groove on the left side through a rotating shaft, and the swing rod swings inside the swing groove on the right side.

[0012] Further preferably, a sliding rod is fixedly connected to the inner side of the swing groove on the right side, and the sliding rod is slidably connected to the inner side of the special-shaped groove.

[0013] Further preferably, a rotating block is fixedly connected to the front side of the rotating rod, and a plurality of anti-slip grooves of equal distribution and same size are provided on the outer surface of the rotating block.

[0014] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0015] 1. The utility model provides a quick installation mechanism and a moving assembly, which can drive the fixing assembly to move up and down. Through the up and down movement of the fixing assembly, the fixing assembly can clamp the left side and the right top of the fixing ring to prevent the injector body from being displaced in the cavity or falling out through the cavity, thereby completing the quick installation and disassembly between the injector housing and the injector body, avoiding the entire device from being scrapped when the injector housing or the injector body is damaged. Through the quick installation and disassembly between the injector housing and the injector body, the injector housing or the injector body can be replaced separately, saving costs.

[0016] 2. The utility model can improve the stability of the tooth plate when it moves up and down by providing the sliding groove and the sliding rod. By providing the swinging groove, the swinging rod and the L-shaped plate can be easily swung on the inner side of the swinging groove, avoiding the swinging rod and the L-shaped plate from getting stuck when swinging. By providing the sliding rod, the swinging rod can be supported, and the swinging of the swinging rod can be completed by the cooperation between the sliding rod and the special-shaped groove. By providing the rotating block and the anti-skid groove, the rotating rod can be easily rotated, and the anti-skid groove can play an anti-skid role.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Figure 1 This is a front structural diagram of the present utility model;

[0020] Figure 2 This is a cross-sectional structural diagram of the utility model;

[0021] Figure 3 This is a structural diagram of the quick installation mechanism of the utility model in a disassembled state;

[0022] Figure 4 A cross-sectional structural diagram of the injector housing of the utility model;

[0023] Figure 5 This is an exploded view of the rotating rod and injector housing of the utility model.

[0024] Figure numerals: 1. Injector housing; 2. Cavity; 3. Quick installation mechanism; 31. Moving assembly; 301. Rotating rod; 302. Gear; 303. Tooth plate; 32. Fixed assembly; 321. Connecting plate; 322. Connecting block; 323. Swinging rod; 324. Special-shaped groove; 325. Fixed plate; 326. Pressing block; 327. Buffer spring; 328. L-shaped plate; 329. Pushing block; 330. Extrusion block; 4. Placement plate; 5. Injector body; 6. Fixed ring; 7. Rotating groove; 8. Sliding groove; 9. Sliding rod; 10. Swinging groove; 11. Sliding rod; 12. Rotating block; 13. Anti-slip groove. DETAILED DESCRIPTION

[0025] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0026] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] like Figure 1 and Figure 3As shown, the embodiment of the present invention provides a quick-installation mechanism for an injector housing, comprising an injector housing 1, a cavity 2 being provided on the top of the injector housing 1, a quick-installation mechanism 3 being provided in the cavity 2, the quick-installation mechanism 3 comprising a moving component 31 and a fixing component 32, a placement plate 4 being fixedly connected to the front and rear sides of the cavity 2, an injector body 5 being placed on the top of the placement plate 4, a fixing ring 6 being fixedly connected to the outer surface of the injector body 5, a rotation groove 7 being provided on the front side of the cavity 2, the moving component 31 comprising a rotating rod 301, the rotating rod 301 being rotatably connected to the front and rear sides of the cavity 2, and the front side of the rotating rod 301 passing through the inner side of the injector housing 1 and extending to the outside, a gear 302 being fixedly connected to the outer surface of the rotating rod 301, a tooth plate 303 being meshed with teeth on the right side of the gear 302, and the fixing component 32 comprising a connecting plate The cam 328 is fixedly connected to the top of the gear 303 by the spring 321, and the front and rear sides of the right side of the top of the connecting plate 321 are fixedly connected to the connecting block 322. The inner side of the connecting block 322 is rotatably connected to the swing rod 323 through a rotating shaft. The inner surface of the swing rod 323 is provided with a special-shaped groove 324. The top of the left side of the swing rod 323 is fixedly connected to the fixing plate 325. The bottom of the fixing plate 325 is fixedly connected to the pressing block 326, and the bottom of the pressing block 326 is tightly fitted with the top of the fixing ring 6. The bottom of the placing plate 4 is fixedly connected to the buffer spring 327. The bottom of the buffer spring 327 is fixedly connected to the L-shaped plate 328. The right side of the bottom of the L-shaped plate 328 is fixedly connected to the pushing block 329. The top of the inner side of the L-shaped plate 328 is fixedly connected to the extrusion block 330, and the right side of the extrusion block 330 is tightly fitted with the left side of the fixing ring 6.

[0029] The utility model provides a quick installation mechanism 3 and a moving component 31, which can drive the fixing component 32 to move up and down. Through the up and down movement of the fixing component 32, the fixing component 32 can clamp the left side and the right top of the fixing ring 6, preventing the injector body 5 from being displaced in the cavity 2 or falling out through the cavity 2, thereby completing the quick installation and disassembly between the injector housing 1 and the injector body 5, avoiding the entire device from being scrapped when the injector housing 1 or the injector body 5 is damaged. Through the quick installation and disassembly between the injector housing 1 and the injector body 5, the injector housing 1 or the injector body 5 can be replaced separately, saving costs.

[0030] Example 2

[0031] like Figure 3 、 Figure 4 and Figure 5As shown, in one embodiment, a sliding groove 8 is provided on the right side of the cavity 2, a sliding rod 9 is fixedly connected to the right side of the tooth plate 303, and the sliding rod 9 is slidably connected to the inner side of the sliding groove 8, and a swing groove 10 is provided on the left and right sides of the cavity 2. The front and rear sides of the L-shaped plate 328 are rotatably connected to the swing groove 10 on the left side through a rotating shaft, and the swing rod 323 swings on the inner side of the swing groove 10 on the right side, and a sliding rod 11 is fixedly connected to the inner side of the swing groove 10 on the right side, and the sliding rod 11 is slidably connected to the inner side of the special-shaped groove 324, and a rotating block 12 is fixedly connected to the front side of the rotating rod 301, and a plurality of anti-slip grooves 13 of equal distribution and the same size are provided on the outer surface of the rotating block 12.

[0032] The utility model can improve the stability of the tooth plate 303 when it moves up and down by providing the sliding groove 8 and the sliding rod 9. By providing the swinging groove 10, the swinging rod 323 and the L-shaped plate 328 can be easily swung on the inner side of the swinging groove 10, avoiding the swinging rod 323 and the L-shaped plate 328 from getting stuck when swinging. By providing the sliding rod 11, the swinging rod 323 can be supported. At the same time, the swinging of the swinging rod 323 is completed through the cooperation between the sliding rod 11 and the special-shaped groove 324. By providing the rotating block 12 and the anti-skid groove 13, the rotating rod 301 can be easily rotated. At the same time, the anti-skid groove 13 can play an anti-skid role.

[0033] The present invention is in operation: First, when the injector housing 1 or the injector body 5 is damaged, the injector housing 1 and the injector body 5 need to be disassembled for replacement, and the rotating block 12 is rotated to drive the rotating rod 301 to rotate, and the rotating rod 301 drives the gear 302 to rotate, and the gear 302 drives the tooth plate 303 to move upward through the action of the teeth meshing, and in the process of the tooth plate 303 moving upward, the connecting plate 321 is driven to move upward, and the connecting plate 321 drives the connecting block 322 to move upward, and the connecting block 322 drives the swing rod 32 3 swings, the swing rod 323 drives the fixing plate 325 and the pressing block 326 to swing, so that the left side of the pressing block 326 is not in contact with the top of the right side of the fixing ring 6, and in the process of the connecting plate 321 moving upward, the left side of the connecting plate 321 will hit the top of the pushing block 329, so that the pushing block 329 drives the L-shaped plate 328 to swing, and the L-shaped plate 328 drives the squeezing block 330 to swing during the swinging process, so that the right side of the squeezing block 330 is not in contact with the left side of the fixing ring 6, and the fixation of the placement plate 4 can be released. At this time, the placement plate 4 can be pulled out of the cavity 2, and the placement plate 4 is completed. When the pair of placement plates 4 need to be disassembled, when the injector housing 1 and the injector body 5 need to be quickly installed, the injector body 5 is inserted into the cavity 2, and the bottom of the injector body 5 is placed on the top of the placement plate 4. After placement, the rotating block 12 is rotated to drive the rotating rod 301 to rotate, and the rotating rod 301 drives the gear 302 to rotate. The gear 302 drives the tooth plate 303 to move downward through the meshing of the teeth. The tooth plate 303 drives the connecting plate 321 to move downward, and in the process of the connecting plate 321 moving downward, the connecting block 322 moves synchronously. The cam 328 is engaged with the push rod 329 and the push rod 330 is engaged with the push rod 330, thereby the cam 328 is engaged with the push rod 330 and the push rod 330.

[0034] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. A quick-install mechanism for a fuel injector housing, characterized in that: The invention comprises an injector housing (1), a cavity (2) is formed on the top of the injector housing (1), a quick installation mechanism (3) is arranged in the cavity (2), the quick installation mechanism (3) comprises a moving component (31) and a fixing component (32), a placement plate (4) is fixedly connected to the front and rear sides of the cavity (2), an injector body (5) is placed on the top of the placement plate (4), a fixing ring (6) is fixedly connected to the outer surface of the injector body (5), and a rotation groove (7) is formed on the front side of the cavity (2).

2. The quick-install mechanism for a fuel injector housing according to claim 1, characterized in that: The moving assembly (31) comprises a rotating rod (301), the rotating rod (301) being rotatably connected to the front and rear sides of the cavity (2), and the front side of the rotating rod (301) passes through the inner side of the injector housing (1) and extends to the outside, and the outer surface of the rotating rod (301) is fixedly connected to a gear (302), and the right side of the gear (302) is meshed with a toothed plate (303) through teeth.

3. The quick-install mechanism for a fuel injector housing according to claim 2, characterized in that: The fixing assembly (32) comprises a connecting plate (321), wherein the connecting plate (321) is fixedly connected to the top of the tooth plate (303), and the front and rear sides of the right side of the top of the connecting plate (321) are fixedly connected to connecting blocks (322), the inner side of the connecting block (322) is rotatably connected to a swing rod (323) via a rotating shaft, and the inner surface of the swing rod (323) is provided with a special-shaped groove (324), and the top of the left side of the swing rod (323) is fixedly connected to a fixing plate (325), and the bottom of the fixing plate (325) is fixedly connected to A pressing block (326) is connected, and the bottom of the pressing block (326) is tightly fitted with the top of the fixing ring (6); the bottom of the placement plate (4) is fixedly connected with a buffer spring (327), the bottom of the buffer spring (327) is fixedly connected with an L-shaped plate (328), the right side of the bottom of the L-shaped plate (328) is fixedly connected with a pushing block (329), and the top of the inner side of the L-shaped plate (328) is fixedly connected with an extrusion block (330), and the right side of the extrusion block (330) is tightly fitted with the left side of the fixing ring (6).

4. The quick-install mechanism for a fuel injector housing according to claim 2, characterized in that: A sliding groove (8) is provided on the right side of the cavity (2), a sliding rod (9) is fixedly connected to the right side of the tooth plate (303), and the sliding rod (9) is slidably connected to the inner side of the sliding groove (8).

5. The quick-install mechanism for a fuel injector housing according to claim 3, characterized in that: The cavity (2) is provided with swing grooves (10) on both left and right sides, the front and rear sides of the L-shaped plate (328) are rotatably connected to the swing groove (10) on the left side via a rotating shaft, and the swing rod (323) swings inside the swing groove (10) on the right side.

6. The quick-install mechanism for the fuel injector housing according to claim 5, characterized in that: A sliding rod (11) is fixedly connected to the inner side of the swing groove (10) located on the right side, and the sliding rod (11) is slidably connected to the inner side of the special-shaped groove (324).

7. The quick-install mechanism for a fuel injector housing according to claim 2, characterized in that: A rotating block (12) is fixedly connected to the front side of the rotating rod (301), and a plurality of equally distributed and identically sized anti-slip grooves (13) are provided on the outer surface of the rotating block (12).

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