Oil nozzle for automobile engine assembly

Abstract

The utility model discloses an oil nozzle for an automobile engine assembly, which comprises an oil nozzle assembly which comprises a main body, an oil conveying channel, a first spring and a valve rod, the adjusting assembly comprises a rotating rod, a ratchet wheel, a fixing plate, a supporting shaft, a pawl, a first supporting ring and a cam, the rotating rod penetrates through the main body and is rotationally connected to the side edge of the middle section of the main body, the ratchet wheel is fixed to one end of the rotating rod, the fixing plate is fixed to the side edge of the main body and located above the ratchet wheel, and the supporting shaft is fixed to the side edge of the main body and located between the fixing plate and the ratchet wheel; the pawl sleeves the supporting shaft, the first supporting ring is fixed to the upper end of the first spring, and the cam is fixed to one end of the rotating rod and located on the inner side of the oil conveying channel. The problems that the elasticity of a spring used for pushing a valve in an engine oil nozzle is possibly weakened after long-term use, and if the oil nozzle is detached and replaced, the maintenance cost is greatly increased, and the maintenance time is greatly shortened are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine fuel injection nozzle technical field especially is related to a fuel injection nozzle for automobile engine assembly. BACKGROUND

[0002] Engine fuel injection nozzle is the key component of fuel supply system, and it has a great influence on engine performance. Fuel enters the fuel injection nozzle under the action of pressure through a filter screen, and is sprayed out from the other end. After the internal electromagnetic coil is energized, a magnetic field is generated, which lifts the valve and sprays the oil. After the power is turned off, the magnetic field disappears, and the spring pushes the valve to close.

[0003] The spring inside the engine fuel injection nozzle for pushing the valve may weaken in elasticity after long-term use. If the fuel injection nozzle is disassembled and replaced, the maintenance cost and time are greatly increased. Therefore, a fuel injection nozzle for automobile engine assembly is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of fuel injection nozzles for automobile engine assembly, to solve the problem that the spring inside the engine fuel injection nozzle for pushing the valve may weaken in elasticity after long-term use as presented in above background art, if the fuel injection nozzle is disassembled and replaced, the maintenance cost and time are greatly increased.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a kind of fuel injection nozzles for automobile engine assembly, comprising:

[0007] Fuel injection nozzle assembly, the fuel injection nozzle assembly includes main body, oil delivery channel, first spring and valve rod, the oil delivery channel is established in main body middle part, and it is through main body, first spring upper end is fixed in oil delivery channel middle section, and valve rod upper end is fixed in first spring lower end;

[0008] Adjusting assembly, the adjusting assembly includes rotating lever, ratchet wheel, fixed plate, support shaft, pawl, first support ring and cam, the rotating lever is through main body and rotationally connected in main body middle section side edge, ratchet wheel is fixed in rotating lever one end, fixed plate is fixed in main body side edge, and is located above ratchet wheel, support shaft is fixed in main body side edge, and is located between fixed plate and ratchet wheel, pawl is sleeved on support shaft, first support ring is fixed in first spring upper end, cam is fixed in rotating lever one end, and is located inside oil delivery channel.

[0009] Further, the first support ring is movably connected inside the oil delivery channel and is attached to the cam.

[0010] Further, compression spring is connected between the fixed plate and the pawl, and the pawl is engaged with the ratchet wheel.

[0011] Further, the fuel injection nozzle assembly further comprises a connector and a filter cartridge, the connector is fixed in the middle of the side edge of the main body, and the filter cartridge is fixed on the upper end of the oil delivery channel.

[0012] Further, the fuel injection nozzle assembly further comprises a connector and a filter cartridge, the connector is fixed in the middle of the side edge of the main body, and the filter cartridge is fixed on the upper end of the oil delivery channel.

[0013] Further, the fuel injection nozzle assembly further comprises a connector and a filter cartridge, the connector is fixed in the middle of the side edge of the main body, and the filter cartridge is fixed on the upper end of the oil delivery channel.

[0014] Further, the fuel injection nozzle assembly further comprises a connector and a filter cartridge, the connector is fixed in the middle of the side edge of the main body, and the filter cartridge is fixed on the upper end of the oil delivery channel.

[0015] Compared with the prior art, the fuel injection nozzle assembly has the following advantages:

[0016] First, the fuel injection nozzle assembly is provided with the adjusting assembly, when the elasticity of the first spring is weakened, the rotating rod is rotated to drive the cam to rotate, the rotating cam drives the first supporting ring to move downward, and the lower end of the first spring moves downward to make the valve rod completely closed, at this time, the pawl below the fixed plate is engaged in the ratchet, and the first spring position can be quickly adjusted without disassembling the fuel injection nozzle, so that the valve rod restores good closing ability.

[0017] Second, the fuel injection nozzle assembly is provided with the anti-blocking assembly, when the fuel enters the fuel injection nozzle under the action of pressure and passes through the filter cartridge, the connecting rod is driven to move downward, and then the second supporting ring and the cleaning brush are driven to move downward, the cleaning brush cleans the inner wall of the filter cartridge, when the valve rod is closed and the connecting rod is not under the action of pressure, the second spring is contracted to drive the connecting rod to move upward, and the filter cartridge can be cleaned to avoid blockage and affect the oil entering the fuel injection nozzle. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is the inside schematic view of oil delivery channel of the utility model;

[0021] Figure 3 It is the structure schematic view of adjusting assembly of the utility model;

[0022] Figure 4 It is the structure schematic view of anti-blocking assembly of the utility model.

[0023] In the drawing, the component list represented by each sign is as follows:

[0024] 10, main body;11, connector;12, filter cartridge;13, oil delivery channel;14, first spring;15, valve rod;20, rotating rod;21, ratchet wheel;22, fixed plate;23, support shaft;24, pawl;25, first support ring;26, cam;30, groove;31, support rod;32, first limiting column;33, second spring;34, second limiting column;35, connecting rod;36, second support ring;37, cleaning brush. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model will be described in detail below with reference to the drawings.

[0026] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiment of the utility model will be described in further detail below with reference to the drawings.

[0028] Please refer to Figures 1-3 The embodiment is an oil nozzle for automobile engine assembly, which comprises:

[0029] The oil nozzle assembly comprises a main body 10, an oil delivery channel 13, a first spring 14 and a valve rod 15, the oil delivery channel 13 is arranged in the middle part of the main body 10 and penetrates through the main body 10, the upper end of the first spring 14 is fixed in the middle section of the oil delivery channel 13, and the upper end of the valve rod 15 is fixed in the lower end of the first spring 14.

[0030] The oil nozzle assembly further comprises a connector 11 and a filter cartridge 12, the connector 11 is fixed in the middle section of the side edge of the main body 10, and the filter cartridge 12 is fixed in the upper end of the oil delivery channel 13.

[0031] The main body 10 is used for protection, the connector 11 is used for connecting external power supply, the filter cartridge 12 is used for filtering impurities in oil, the oil delivery channel 13 is used for facilitating oil flow, the first spring 14 is used for closing the valve rod 15, and the valve rod 15 is used for opening and closing the nozzle of the oil injection nozzle.

[0032] The adjusting assembly comprises a rotating rod 20, a ratchet wheel 21, a fixed plate 22, a supporting shaft 23, a pawl 24, a first supporting ring 25 and a cam 26, the rotating rod 20 penetrates through the main body 10 and is rotationally connected to the middle side of the main body 10, the ratchet wheel 21 is fixed to one end of the rotating rod 20, the fixed plate 22 is fixed to the side of the main body 10 and is located above the ratchet wheel 21, the supporting shaft 23 is fixed to the side of the main body 10 and is located between the fixed plate 22 and the ratchet wheel 21, the pawl 24 is sleeved on the supporting shaft 23, the first supporting ring 25 is fixed to the upper end of the first spring 14, and the cam 26 is fixed to one end of the rotating rod 20 and is located inside the oil delivery channel 13;

[0033] The first supporting ring 25 is movably connected to the inside of the oil delivery channel 13 and is attached to the cam 26;

[0034] A compression spring is connected between the fixed plate 22 and the pawl 24, and the pawl 24 is clamped with the ratchet wheel 21;

[0035] Working principle:

[0036] When the elasticity of the first spring 14 is weakened, the rotating rod 20 is rotated, the cam 26 is driven to rotate, the rotating cam 26 drives the first supporting ring 25 to move downward, the lower end of the first spring 14 drives the valve rod 15 to move downward, so that the valve rod 15 can be completely closed, and at this time, the pawl 24 below the fixed plate 22 rotates around the supporting shaft 23 and is clamped in the ratchet wheel 21.

[0037] In this step, the position of the first spring 14 can be quickly adjusted without disassembling the oil injection nozzle, so that the valve rod 15 restores good closing ability.

[0038] Please refer to Figure 2 、 Figure 4 , the embodiment is based on the above-mentioned embodiment, further comprising:

[0039] The anti-blocking assembly comprises a supporting rod 31, a second spring 33, a connecting rod 35, a second supporting ring 36 and a cleaning brush 37, the supporting rod 31 is fixed to the upper end of the filter cartridge 12, the second spring 33 is fixed to the middle of the lower end of the supporting rod 31, the connecting rod 35 is fixed to the lower end of the second spring 33, the second supporting ring 36 is fixed to the other end of the connecting rod 35, and the cleaning brush 37 is fixed to the outside of the second supporting ring 36;

[0040] The anti-blocking assembly further comprises a groove 30 formed at the top end of the filter cartridge 12, and a supporting rod 31 fixed in the groove 30;

[0041] The anti-blocking assembly further comprises a first limiting column 32 and a second limiting column 34, the first limiting column 32 is fixed at the middle of the lower end of the supporting rod 31, the second limiting column 34 is fixed at the middle of the upper end of the connecting rod 35, and the upper and lower ends of the second spring 33 are wrapped outside the first limiting column 32 and the second limiting column 34 respectively;

[0042] The groove 30 plays a connecting role, the supporting rod 31 plays a supporting role, the first limiting column 32 and the second limiting column 34 play a limiting role, the second spring 33 has a telescopic function, the connecting rod 35 plays a connecting role, the second supporting ring 36 plays a supporting role, and the cleaning brush 37 plays a cleaning role.

[0043] Working principle:

[0044] When the fuel enters the oil nozzle under the action of the filter cartridge 12, the connecting rod 35 is driven to move downwards, and then the second supporting ring 36 and the cleaning brush 37 are driven to move downwards, the cleaning brush 37 cleans the inner wall of the filter cartridge 12, when the oil injection is not needed, the valve rod 15 is closed, the second spring 33 below the supporting rod 31 is contracted along the first limiting column 32 under the action of no pressure, the second limiting column 34 is driven to move upwards, and the connecting rod 35 is driven to move upwards.

[0045] The step can clean the filter cartridge 12, avoid blockage, and affect the oil entering the oil nozzle.

[0046] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "arrange", "install", "connect", "connect" should be understood in broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be mechanical connection, also can be electrical connection, it can be directly connected, also can be indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0047] Finally, it should be pointed out that: the above only for preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fuel injector for an automobile engine assembly, characterized in that, include: The fuel injector assembly includes a main body (10), an oil delivery channel (13), a first spring (14), and a valve stem (15). The oil delivery channel (13) is located in the middle of the main body (10) and passes through the main body (10). The upper end of the first spring (14) is fixed to the middle section of the oil delivery channel (13), and the upper end of the valve stem (15) is fixed to the lower end of the first spring (14). The adjustment assembly includes a rotating rod (20), a ratchet (21), a fixed plate (22), a support shaft (23), a pawl (24), a first support ring (25), and a cam (26). The rotating rod (20) passes through the main body (10) and is rotatably connected to the side of the middle section of the main body (10). The ratchet (21) is fixed to one end of the rotating rod (20). The fixed plate (22) is fixed to the side of the main body (10) and is located above the ratchet (21). The support shaft (23) is fixed to the side of the main body (10) and is located between the fixed plate (22) and the ratchet (21). The pawl (24) is sleeved on the support shaft (23). The first support ring (25) is fixed to the upper end of the first spring (14). The cam (26) is fixed to one end of the rotating rod (20) and is located inside the oil delivery channel (13).

2. The fuel injector for an automobile engine assembly according to claim 1, characterized in that, The first support ring (25) is movably connected inside the oil delivery channel (13) and fits against the cam (26).

3. The fuel injector for an automobile engine assembly according to claim 1, characterized in that, A compression spring is connected between the fixing plate (22) and the pawl (24), and the pawl (24) is engaged with the ratchet (21).

4. A fuel injector for an automobile engine assembly according to claim 1, characterized in that, The fuel injector assembly also includes a connector (11) and a filter cartridge (12). The connector (11) is fixed to the middle section of the side of the main body (10), and the filter cartridge (12) is fixed to the upper end of the oil delivery channel (13).

5. A fuel injector for an automobile engine assembly according to claim 4, characterized in that, It also includes an anti-clogging component, which includes a support rod (31), a second spring (33), a connecting rod (35), a second support ring (36), and a cleaning brush (37). The support rod (31) is fixed to the upper end of the filter cartridge (12), the second spring (33) is fixed to the middle of the lower end of the support rod (31), the connecting rod (35) is fixed to the lower end of the second spring (33), the second support ring (36) is fixed to the other end of the connecting rod (35), and the cleaning brush (37) is fixed to the outside of the second support ring (36).

6. A fuel injector for an automobile engine assembly according to claim 5, characterized in that, The anti-clogging component also includes a groove (30), which is formed at the top of the filter cylinder (12), and the support rod (31) is fixed in the groove (30).

7. A fuel injector for an automobile engine assembly according to claim 5, characterized in that, The anti-blocking component also includes a first limiting post (32) and a second limiting post (34). The first limiting post (32) is fixed to the middle of the lower end of the support rod (31), and the second limiting post (34) is fixed to the middle of the upper end of the connecting rod (35). The upper and lower ends of the second spring (33) are respectively wrapped around the outside of the first limiting post (32) and the second limiting post (34).

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