Roller body assembly of fuel feed pump

Abstract

The utility model discloses a fuel oil feed pump roller body assembly, and particularly relates to the field of fuel oil feed pumps, the fuel oil feed pump roller body assembly comprises a connecting frame, a roller body is arranged in the connecting frame, an anti-corrosion assembly is arranged on one side of the outer wall of the roller body, the anti-corrosion assembly comprises a first anti-corrosion layer, and a second anti-corrosion layer is fixedly arranged on one side of the first anti-corrosion layer. A third anti-corrosion layer is fixedly adhered to one side of the second anti-corrosion layer, the first anti-corrosion layer is made of a Teflon material, the second anti-corrosion layer on one side of the first anti-corrosion layer is made of a stainless steel material, the third anti-corrosion layer is made of a galvanized steel material, and a wear-resistant assembly is arranged on one side of the anti-corrosion assembly. Through the arrangement of the anti-corrosion assembly, the first anti-corrosion layer, the second anti-corrosion layer and the third anti-corrosion layer are matched with one another, so that the roller body has good corrosion resistance, the corrosion problem of the roller body in a severe environment can be effectively prevented, the service life of the device is prolonged, the practicability of the device is enhanced, and the application range of the device is wider.

Description

Technical Field

[0001] The utility model relates to the field of fuel supply pumps, and more specifically, to a fuel supply pump roller assembly. Background Art

[0002] The roller assembly of the fuel supply pump of a motor vehicle engine is an important component of the fuel supply pump, which plays an important role in converting the rotational motion of the camshaft into the up and down reciprocating motion of the plunger pair.

[0003] After searching, the existing patent (publication number: CN 217354573 U) discloses a fuel supply pump roller body assembly, which relates to the technical field of fuel supply pumps. Its technical points are as follows: it includes a housing of a plunger, a roller pin is fixedly provided at the bottom of the housing, a roller is rotatably sleeved on the roller pin, a limiting groove adapted to the roller is provided at the bottom of the housing, a plurality of annular rolling grooves are provided on the inner wall of the roller along its axis, a plurality of balls are rolled in the arc-shaped rolling grooves, and the outer wall of the ball rolls and abuts against the outer wall of the roller pin; the utility model reduces the friction between the roller and the roller pin, and improves the service life of the roller and the roller pin.

[0004] The roller body of the existing fuel supply pump roller body is prone to corrosion when it is in a humid oil environment for a long time. If it is not treated with anti-corrosion, the roller body will wear faster, which will directly affect the performance and service life of the fuel supply pump, resulting in certain limitations in its use. At the same time, the above-cited patent documents do not propose relevant solutions to solve the above problems;

[0005] Therefore, in view of the above problems, a fuel supply pump roller assembly is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a fuel supply pump roller assembly to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fuel supply pump roller body assembly, comprising a connecting frame, a roller body is arranged inside the connecting frame, an anti-corrosion assembly is arranged on one side of the outer wall of the roller body, the anti-corrosion assembly comprises a first anti-corrosion layer, a second anti-corrosion layer is fixedly arranged on one side of the first anti-corrosion layer, and a third anti-corrosion layer is fixedly adhered to one side of the second anti-corrosion layer.

[0008] Preferably, the first anti-corrosion layer is made of Teflon material, the second anti-corrosion layer on one side of the first anti-corrosion layer is made of stainless steel material, and the third anti-corrosion layer is made of galvanized steel material.

[0009] Preferably, a wear-resistant component is provided on one side of the anti-corrosion component, the wear-resistant component includes a first wear-resistant layer, a second wear-resistant layer is fixedly provided on one side of the first wear-resistant layer, and a third wear-resistant layer is fixedly adhered to one end of the second wear-resistant layer.

[0010] Preferably, the first wear-resistant layer is made of polytetrafluoroethylene material, the second wear-resistant layer is made of silicon carbide material, and the third wear-resistant layer is made of hard chrome-plated material.

[0011] Preferably, a roller pin is fixedly provided inside the connecting frame, a roller body is sleeved outside the roller pin, and the roller body and the roller pin are connected in a movable manner.

[0012] Preferably, a connecting groove is provided inside the roller body, and a ball is movably connected inside the connecting groove.

[0013] Technical effects and advantages of the utility model:

[0014] Compared with the prior art, the fuel supply pump roller body assembly, through the setting of the anti-corrosion component, cooperates the first anti-corrosion layer, the second anti-corrosion layer and the third anti-corrosion layer with each other, so that it has good corrosion resistance and can effectively prevent the corrosion of the roller body in harsh environments, thereby further improving the service life of the device, enhancing the practicality of the device and making it more applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the position structure of the wear-resistant components of the utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the anti-corrosion component of the utility model.

[0018] Figure 4 This is a schematic diagram of the structure of the wear-resistant component of the utility model.

[0019] The accompanying drawings are marked as follows: 1. connecting frame; 2. roller pin; 3. roller body; 4. connecting groove; 5. ball; 6. anti-corrosion component; 61. first anti-corrosion layer; 62. second anti-corrosion layer; 63. third anti-corrosion layer; 7. wear-resistant component; 71. first wear-resistant layer; 72. second wear-resistant layer; 73. third wear-resistant layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] As attached Figures 1 to 4 A fuel supply pump roller body assembly shown includes a connecting frame 1, a roller body 3 is arranged inside the connecting frame 1, an anti-corrosion assembly 6 is arranged on one side of the outer wall of the roller body 3, the anti-corrosion assembly 6 includes a first anti-corrosion layer 61, a second anti-corrosion layer 62 is fixedly arranged on one side of the first anti-corrosion layer 61, and a third anti-corrosion layer 63 is fixedly adhered to one side of the second anti-corrosion layer 62.

[0023] Among them: by providing a first anti-corrosion layer 61, a second anti-corrosion layer 62 and a third anti-corrosion layer 63 to cooperate with each other, the corrosion resistance of the device is improved, and the corrosion problem of the roller body 3 after long-term use can be effectively prevented, thereby further improving the service life of the device and enhancing the practicality of the device.

[0024] Embodiment 2

[0025] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0026] As a preferred embodiment, the first anti-corrosion layer 61 is made of Teflon material, the second anti-corrosion layer 62 on one side of the first anti-corrosion layer 61 is made of stainless steel material, and the third anti-corrosion layer 63 is made of galvanized steel material; further, by making three groups of anti-corrosion layers of Teflon, stainless steel and galvanized steel materials, the roller body 3 is effectively prevented from being easily corroded due to being in a humid oil environment for a long time, thereby extending the service life of the device.

[0027] As a preferred embodiment, a wear-resistant component 7 is provided on one side of the anti-corrosion component 6, and the wear-resistant component 7 includes a first wear-resistant layer 71, a second wear-resistant layer 72 is fixedly provided on one side of the first wear-resistant layer 71, and a third wear-resistant layer 73 is fixedly adhered to one end of the second wear-resistant layer 72; further, by providing the first wear-resistant layer 71, the second wear-resistant layer 72 and the third wear-resistant layer 73, and cooperating with each other, the wear resistance thereof is improved to a certain extent, and at the same time, it can withstand greater pressure and load, and is suitable for high-power transmission occasions, so that the practicability of the device is enhanced and the scope of application is wider.

[0028] As a preferred embodiment, the first wear-resistant layer 71 is made of polytetrafluoroethylene material, the second wear-resistant layer 72 is made of silicon carbide material, and the third wear-resistant layer 73 is made of hard chrome-plated material; further, by making the three groups of wear-resistant layers of polytetrafluoroethylene, silicon carbide and hard chrome-plated material, their wear resistance is improved, thereby extending their service life to a certain extent, thereby enhancing the practicality of the device.

[0029] As a preferred embodiment, a roller pin 2 is fixedly provided inside the connecting frame 1, a roller body 3 is sleeved on the outside of the roller pin 2, and the connection between the roller body 3 and the roller pin 2 is a movable connection; further, by providing the roller pin 2, the roller body 3 rotates around the roller pin 2, and the inner wall of the roller body 3 is not in direct contact with the outer wall of the roller pin 2, which makes the device more convenient to use and has a wider range of applications.

[0030] As a preferred embodiment, a connecting groove 4 is opened inside the roller body 3, and a ball 5 is movably connected inside the connecting groove 4; further, the ball 5 inside the connecting groove 4 is in rolling contact with the roller pin 2, thereby improving the service life of the roller body 3 and the roller pin 2.

[0031] The working process of the utility model is as follows:

[0032] When in use, firstly, when the roller body 3 rotates around the roller pin 2, the inner wall of the roller body 3 does not directly contact the outer wall of the roller pin 2, and the ball 5 inside the connecting groove 4 is in rolling contact with the roller pin 2, thereby reducing the friction between the roller body 3 and the roller pin 2, and improving the service life of the roller body 3 and the roller pin 2, so that the practicality of the device is enhanced. Secondly, an anti-corrosion component 6 is provided on the outer wall of the roller body 3, and the anti-corrosion component 6 includes a first anti-corrosion layer 61, a second anti-corrosion layer 62 and a third anti-corrosion layer 63. The first anti-corrosion layer 6 is fixedly adhered to one side of the roller body 3. 1. The first anti-corrosion layer 61 is made of Teflon material, which effectively prevents the roller body 3 from being easily corroded in a humid oil environment for a long time, thereby extending the service life of the device. A second anti-corrosion layer 62 is fixedly arranged on one side of the first anti-corrosion layer 61. The second anti-corrosion layer 62 is made of stainless steel material, and stainless steel has excellent corrosion resistance, thereby improving the corrosion resistance of the device and making the device more widely applicable. At the same time, a third anti-corrosion layer 63 is fixedly adhered to one side of the second anti-corrosion layer 62. The third anti-corrosion layer 63 is made of galvanized steel material. , enhance its corrosion resistance, thereby effectively performing anti-corrosion treatment, avoiding the problem that the roller body 3 is worn faster and affects its service life, so that the practicability of the device is enhanced and the scope of application is wider. At the same time, a wear-resistant component 7 is provided on one side of the third anti-corrosion layer 63, and the wear-resistant component 7 includes a first wear-resistant layer 71, a second wear-resistant layer 72 and a third wear-resistant layer 73, and one side of the third anti-corrosion layer 63 is fixedly connected to the first wear-resistant layer 71, and the first wear-resistant layer 71 is made of polytetrafluoroethylene material, so that it has good self-lubricating performance and better wear resistance, so that the device The practicality is enhanced. At the same time, a second wear-resistant layer 72 is fixedly provided on one side of the first wear-resistant layer 71, and the second wear-resistant layer 72 is made of silicon carbide material to improve its wear resistance, thereby extending its service life to a certain extent, so that the practicality of the device is enhanced. Finally, a third wear-resistant layer 73 is fixedly provided on one side of the second wear-resistant layer 72, and the third wear-resistant layer 73 is made of hard chrome-plated material, so that the surface of the roller body 3 is specially treated, which can reduce friction with the pump body and reduce wear, further improving the practicality of the device and having a wider range of applications.

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fuel supply pump roller assembly, comprising a connecting frame (1), characterized in that; A roller body (3) is arranged inside the connecting frame (1), and an anti-corrosion component (6) is arranged on one side of the outer wall of the roller body (3). The anti-corrosion component (6) includes a first anti-corrosion layer (61), a second anti-corrosion layer (62) is fixedly arranged on one side of the first anti-corrosion layer (61), and a third anti-corrosion layer (63) is fixedly adhered to one side of the second anti-corrosion layer (62).

2. A fuel supply pump roller assembly according to claim 1, characterized in that: The first anti-corrosion layer (61) is made of Teflon material, the second anti-corrosion layer (62) on one side of the first anti-corrosion layer (61) is made of stainless steel material, and the third anti-corrosion layer (63) is made of galvanized steel material.

3. A fuel supply pump roller assembly according to claim 1, characterized in that: A wear-resistant component (7) is arranged on one side of the anti-corrosion component (6), and the wear-resistant component (7) comprises a first wear-resistant layer (71), a second wear-resistant layer (72) is fixedly arranged on one side of the first wear-resistant layer (71), and a third wear-resistant layer (73) is fixedly bonded to one end of the second wear-resistant layer (72).

4. A fuel supply pump roller assembly according to claim 3, characterized in that: The first wear-resistant layer (71) is made of polytetrafluoroethylene material, the second wear-resistant layer (72) is made of silicon carbide material, and the third wear-resistant layer (73) is made of hard chrome-plated material.

5. The fuel supply pump roller assembly according to claim 1, characterized in that: A roller pin (2) is fixedly arranged inside the connecting frame (1), a roller body (3) is sleeved outside the roller pin (2), and the roller body (3) and the roller pin (2) are connected in a movable manner.

6. A fuel supply pump roller assembly according to claim 1, characterized in that: A connecting groove (4) is provided inside the roller body (3), and a ball (5) is movably connected inside the connecting groove (4).

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