Electromagnetic valve type oil sprayer

Abstract

The utility model relates to the technical field of oil sprayers, and discloses an electromagnetic valve type oil sprayer which comprises an oil sprayer body, the surface of the oil sprayer body is communicated with an oil spraying nozzle, a connecting block is fixed to the surface of the oil sprayer body, a machine shell is fixed to the surface of the connecting block, and a rotating motor is arranged in an inner cavity of the machine shell. A dustproof mechanism is arranged on an output shaft of the rotating motor, and an auxiliary mechanism is arranged on the surface of the dustproof mechanism. After the fuel injector body and the fuel injection nozzle are used in daily life, the dustproof mechanism can work under the action of the rotating motor, then the dustproof mechanism can shield the fuel injection nozzle, direct contact between part of dust and oil can be avoided, and in addition, under the action of the auxiliary mechanism, the oil injection nozzle can be prevented from being damaged. And the vertical acting position of the dustproof mechanism can be changed, so that the dustproof mechanism can be better attached to the oil nozzle, and the dustproof effect of the dustproof mechanism on the oil nozzle is further improved.

Description

Technical Field

[0001] This utility model relates to the field of fuel injector technology, specifically to a solenoid valve type fuel injector. Background Technology

[0002] In modern automotive and motorcycle fuel supply systems, electromagnetic fuel injectors, as core components, are gradually replacing traditional carburetors and mechanical fuel injectors due to their high precision, high efficiency, and intelligent control. Electromagnetic fuel injectors use electromagnets to control the injection quantity and timing, providing precise fuel supply to the engine and playing a crucial role in improving fuel economy, reducing emissions, and enhancing engine performance.

[0003] During routine use of fuel injectors, a small amount of incompletely atomized fuel inevitably remains on the surface of the injector nozzle. Due to its high viscosity, this residual fuel forms an adhesive film. At the same time, there are a large number of micron-sized dust particles in the engine compartment that are not completely filtered by the air filter. If the dust adheres to the surface of the fuel injector through the fuel, it can narrow the fuel injection channel or even cause blockage, which may affect the normal use of the fuel injector. Utility Model Content

[0004] The purpose of this invention is to provide a solenoid valve type fuel injector to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an electromagnetic valve type injector, comprising an injector body, an injector nozzle connected to the surface of the injector body, a connecting block fixed to the surface of the injector body, a housing fixed to the surface of the connecting block, a rotary motor disposed in the inner cavity of the housing, a dustproof mechanism disposed on the output shaft of the rotary motor, and an auxiliary mechanism disposed on the surface of the dustproof mechanism.

[0006] Preferably, the dustproof mechanism includes a rotating shaft fixed to the output shaft of a rotary motor, a first sliding rod fixed to the surface of the rotating shaft, a rotating rod slidably disposed on the surface of the first sliding rod, a plurality of limiting rods fixed to the surface of the first sliding rod, a plurality of limiting grooves opened in the inner cavity of the rotating rod, the limiting rods sliding on the surface of the limiting grooves, a connecting plate fixed to one end of the rotating rod, and a dustproof cover fixed to the surface of the connecting plate.

[0007] Preferably, the rotary motor is a servo motor and has a built-in brake device.

[0008] Preferably, a dustproof brush is fixed to the inner wall of the dust cover, and the dustproof brush is an antistatic brush.

[0009] Preferably, the auxiliary mechanism includes a fixed rod fixed to the surface of the connecting block, a meshing groove formed on the surface of the rotating rod, and a second sliding rod fixed to the inner cavity of the rotating rod. A pushing ball is fixed to the other end of the fixed rod, and the pushing ball slides against the meshing groove. A spring is sleeved on the surface of the second sliding rod, and the other end of the spring is fixed to the surface of the limiting rod.

[0010] Preferably, the axes of the first slide bar, the rotating bar, and the second slide bar are located on the same vertical line.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] After the injector body and nozzle have been used daily, this utility model can activate the dustproof mechanism under the action of a rotating motor, thereby enabling the dustproof mechanism to shield the nozzle and prevent some dust and oil from direct contact. In addition, with the help of an auxiliary mechanism, the vertical action part of the dustproof mechanism can be changed, further improving the dustproof effect of the dustproof mechanism on the nozzle. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a three-dimensional structural diagram of the dustproof mechanism in the present invention in its non-working state.

[0015] Figure 3 This is a partial three-dimensional structural diagram of the present invention;

[0016] Figure 4 This is a partial three-dimensional structural diagram of the present invention.

[0017] In the diagram: 1. Injector body; 2. Injector nozzle; 3. Connecting block; 4. Housing; 5. Rotary motor; 6. Dustproof mechanism; 61. Rotating shaft; 62. First slide rod; 63. Limiting rod; 64. Limiting groove; 65. Rotating rod; 66. Connecting plate; 67. Dust cover; 7. Dust brush; 8. Auxiliary mechanism; 81. Fixing rod; 82. Push ball; 83. Engaging groove; 84. Spring; 85. Second slide rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-4 As shown, an electromagnetic valve type injector includes an injector body 1, with an injector nozzle 2 connected to the surface of the injector body 1 for injecting fuel. A connecting block 3 is fixed to the surface of the injector body 1, and a housing 4 is fixed to the surface of the connecting block 3. A rotary motor 5 is installed in the inner cavity of the housing 4. The rotary motor 5 is a servo motor and has a built-in brake device.

[0020] The output shaft of the rotary motor 5 is equipped with a dustproof mechanism 6. The dustproof mechanism 6 includes a rotating shaft 61 fixed to the output shaft of the rotary motor 5. A first sliding rod 62 is fixed to the surface of the rotating shaft 61. A rotating rod 65 is slidably mounted on the surface of the first sliding rod 62. Several limiting rods 63 are fixed to the surface of the first sliding rod 62. Several limiting grooves 64 are opened in the inner cavity of the rotating rod 65. The limiting rods 63 slide on the surface of the limiting grooves 64. A connecting plate 66 is fixed to one end of the rotating rod 65. A dust cover 67 is fixed to the surface of the connecting plate 66. Under the action of the rotary motor 5, the rotating shaft 61 drives the first sliding rod 62 to rotate. Then, under the action of the limiting rods 63 and the limiting grooves 64, the rotating rod 65 can drive the connecting plate 66 and the dust cover 67 to rotate, so as to achieve the purpose of adjusting the angle of the dust cover 67. A dust brush 7 is fixed to the inner wall of the dust cover 67. The dust brush 7 is an anti-static brush to improve the dustproof capability of the dust cover 67 for the fuel injector 2 and improve the practicality of the device.

[0021] When the rotary motor 5 is working, the servo motor can improve the accuracy of the rotary motor 5 during operation and can make the connecting plate 66 stop stably at a specified angle.

[0022] The surface of the dustproof mechanism 6 is provided with an auxiliary mechanism 8. The auxiliary mechanism 8 includes a fixed rod 81 fixed to the surface of the connecting block 3, a meshing groove 83 opened on the surface of the rotating rod 65, and a second sliding rod 85 fixed to the inner cavity of the rotating rod 65. The other end of the fixed rod 81 is fixed with a push ball 82, which slides against the meshing groove 83. A spring 84 is sleeved on the surface of the second sliding rod 85, and the other end of the spring 84 is fixed to the surface of the limiting rod 63. Under the action of the fixed rod 81, the position of the push ball 82 can be fixed, thereby enabling the push ball 82 and the meshing groove 83 to mesh stably. When the rotating rod 65 rotates, under the action of the meshing groove 83 and the push ball 82, the rotating rod 65 drives the connecting plate 66 and the dust cover 67 to rise and fall, thereby achieving the purpose of adjusting the height of the dust cover 67.

[0023] The axes of the first slide rod 62, the rotating rod 65, and the second slide rod 85 are located on the same vertical line, which improves the stability of the first slide rod 62, the rotating rod 65, and the second slide rod 85 during operation.

[0024] After the injector body 1 and injector nozzle 2 have been used daily, the dustproof mechanism 6 can be activated by the rotating motor 5, thereby shielding the injector nozzle 2 and preventing some dust and oil from coming into direct contact. In addition, the auxiliary mechanism 8 can change the vertical action of the dustproof mechanism 6, further improving the dustproof effect of the dustproof mechanism 6 on the injector nozzle 2.

[0025] Working principle: During normal use, the injector body 1 and the nozzle 2 spray fuel onto the target object. When the injector body 1 and the nozzle 2 are not in use, the rotary motor 5 is activated by the PLC controller, which in turn causes the rotating shaft 61 to rotate via the limiting rod 63 and the limiting groove 64. When the rotating rod 65 rotates, the connecting plate 66 drives the dust cover 67 to rotate. In addition, when the rotating rod 65 rotates, the meshing groove 83 and the push ball 82 on the surface of the rotating rod 65 mesh, and under the restriction of the push ball 82, the rotating rod 65 rises and falls, and drives the dust cover 67 to rise and fall. When the dust cover 67 rotates to the surface of the nozzle 2, it fits against the surface of the nozzle 2 under the action of the push ball 82 and the meshing groove 83, achieving the effect of dust prevention.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic valve type fuel injector comprising a fuel injector body (1), characterized by: The surface of the injector body (1) is connected to the injector nozzle (2), the surface of the injector body (1) is fixed with a connecting block (3), the surface of the connecting block (3) is fixed with a housing (4), the inner cavity of the housing (4) is provided with a rotary motor (5), the output shaft of the rotary motor (5) is provided with a dustproof mechanism (6), and the surface of the dustproof mechanism (6) is provided with an auxiliary mechanism (8).

2. An electromagnetic valve type fuel injector according to claim 1, wherein: The dustproof mechanism (6) includes a rotating shaft (61) fixed to the output shaft of the rotary motor (5). A first slide rod (62) is fixed on the surface of the rotating shaft (61). A rotating rod (65) is slidably arranged on the surface of the first slide rod (62). A plurality of limiting rods (63) are fixed on the surface of the first slide rod (62). A plurality of limiting grooves (64) are opened in the inner cavity of the rotating rod (65). The limiting rods (63) slide on the surface of the limiting grooves (64). A connecting plate (66) is fixed at one end of the rotating rod (65). A dust cover (67) is fixed on the surface of the connecting plate (66).

3. An electromagnetic valve type fuel injector according to claim 2, wherein: The rotary motor (5) is a servo motor and has a built-in brake device.

4. An electromagnetic valve type fuel injector according to claim 2, wherein: The dust cover (67) has a dust brush (7) fixed to its inner wall. The dust brush (7) is an antistatic brush.

5. An electromagnetic valve type fuel injector according to claim 2, wherein: The auxiliary mechanism (8) includes a fixed rod (81) fixed to the surface of the connecting block (3), a meshing groove (83) opened on the surface of the rotating rod (65), and a second slide rod (85) fixed to the inner cavity of the rotating rod (65). The other end of the fixed rod (81) is fixed with a push ball (82), which slides against the meshing groove (83). A spring (84) is sleeved on the surface of the second slide rod (85), and the other end of the spring (84) is fixed to the surface of the limiting rod (63).

6. An electromagnetic valve type fuel injector according to claim 5, wherein: The axes of the first slide bar (62), the rotating bar (65), and the second slide bar (85) are located on the same vertical line.

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