Oil injection pipe side hole machining tool

By designing a tooling fixture for machining the side holes of the fuel injection pipe, the problems of unstable machining position and high cost of the fuel injection pipe were solved, and efficient and stable machining of the left and right fuel injection pipes was achieved, reducing production costs.

CN224027017UActive Publication Date: 2026-03-24NINGBO XIANFENG AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing fuel injection pipe processing technology suffers from problems such as unstable position, high cost, and low efficiency, especially when processing the left and right fuel injection pipes, the operation is cumbersome.

Method used

A tooling for machining the side holes of fuel injection pipes was designed, including components such as a base plate, support column, inclined groove, fixing block and locking bolt, for lateral drilling and reaming on a lathe to achieve stable fixing and machining of the left and right fuel injection pipes.

Benefits of technology

This improved the efficiency and consistency of fuel injection pipe processing, reduced production costs, and ensured product stability and consistency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224027017U_ABST
    Figure CN224027017U_ABST
Patent Text Reader

Abstract

The utility model relates to an oil injection pipe side hole machining tool which comprises a bottom plate, a supporting column is vertically installed in the middle of the upper end of the bottom plate, a left inclined groove and a right inclined groove are formed in the two sides of the front end of the supporting column respectively, the upper portion of the left inclined groove is communicated with the upper portion of the right inclined groove and penetrates through the upper end face of the supporting column, and the left inclined groove and the right inclined groove are integrally in a herringbone shape. A fixed block is installed at the upper end of the supporting column and located behind the connecting position of the left inclined groove and the right inclined groove, a V-shaped groove is formed in the middle of the front end of the fixed block, a locking bolt is connected to each of the two sides of the front end of the fixed block in a screwed mode, a movable block is connected to the two locking bolts in a sleeved mode, and an arc-shaped groove is formed in the position, located in front of the V-shaped groove, of the rear end of the movable block. A left oil spraying pipe and a right oil spraying pipe can be machined, and functions are diversified; after the tool is used, lateral drilling and reaming can be conducted through a lathe, the machining efficiency is greatly improved, the consistency and stability of machined products are guaranteed, and meanwhile the production cost is greatly reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of automotive fuel injection pipe technology, and in particular to a tooling for machining the side hole of a fuel injection pipe. Background Technology

[0002] As engine performance continues to improve, the thermal load on piston assemblies also increases. To prevent engine piston assemblies from failing due to high temperatures, piston cooling nozzles are typically used to spray cooling oil onto the pistons, thus providing both cooling and lubrication.

[0003] The fuel injection pipe is a crucial component connecting the piston cooling nozzles. Fuel injection pipes are divided into left and right fuel injection pipes, as shown below. Figure 5 As shown, the right fuel injector includes an upper connector 16, a fuel injector body 17, and a lower connector 19. The lower end of the upper connector 16 has a right-inclined fuel injector body 17, and the lower end of the fuel injector body 17 has a forward-bending lower connector 19. The left fuel injector also includes an upper connector 16, a fuel injector body 17, and a lower connector 19, but the fuel injector body 17 of the left fuel injector is inclined to the left, and its length is slightly shorter than that of the right fuel injector. The original machining method involved an electrical discharge machining (EDM) system with a suction cup, resulting in unstable fuel injector positioning, high machining costs, cumbersome operation, and low efficiency. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a tooling for machining the side holes of fuel injection pipes, which can machine both left and right fuel injection pipes, and has multiple functions; moreover, after using this tooling, side drilling and reaming on a lathe can be used, which greatly improves the machining efficiency, ensures the consistency and stability of the machined products, and greatly reduces the production cost.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: a tooling for machining the side hole of an injection pipe is provided, including a base plate. A support column is vertically installed at the middle of the upper part of the base plate. A left oblique groove and a right oblique groove are respectively opened on both sides of the front end of the support column. The upper part of the left oblique groove is connected to the upper part of the right oblique groove and passes through the upper end face of the support column. The left oblique groove and the right oblique groove are in a V-shape. A fixing block is installed at the rear of the connection between the left oblique groove and the right oblique groove at the upper end of the support column. A V-shaped groove is opened at the middle of the front end of the fixing block. A locking bolt is screwed on each side of the front end of the fixing block. A movable block is sleeved on the two locking bolts. An arc groove is opened at the rear end of the movable block in front of the V-shaped groove.

[0006] As a supplement to the technical solution described in this utility model, the upper end of the base plate is provided with a plurality of mounting holes around the support column, and the mounting holes are circular through holes.

[0007] As a supplement to the technical scheme of the utility model, the bottom plate upper end middle part is provided with a positioning column, the bottom of the support column is provided with a positioning hole matched with the positioning column, and the support column and the bottom plate are fixed by fasteners.

[0008] As a supplement to the technical scheme of the utility model, the bottom plate upper end middle part is provided with a positioning column, the bottom of the support column is provided with a positioning hole matched with the positioning column, and the support column and the bottom plate are fixed by fasteners.

[0009] As a supplement to the technical scheme of the utility model, the bottom plate upper end middle part is provided with a positioning column, the bottom of the support column is provided with a positioning hole matched with the positioning column, and the support column and the bottom plate are fixed by fasteners.

[0010] As a supplement to the technical scheme of the utility model, the bottom plate upper end middle part is provided with a positioning column, the bottom of the support column is provided with a positioning hole matched with the positioning column, and the support column and the bottom plate are fixed by fasteners.

[0011] Beneficial effects: the utility model relates to a kind of oil injection pipe side hole processing frock, can process two kinds of oil injection pipe left oil injection pipe and right oil injection pipe, and function is various;And after using this frock, lathe lateral drilling and reaming can be used, greatly improve processing efficiency, guarantee the consistency and stability after product processing, while greatly reduce production cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model;

[0013] Figure 2 It is the structural schematic diagram of the support column of the utility model;

[0014] Figure 3 It is the structural schematic diagram of the bottom plate and pad block of the utility model;

[0015] Figure 4 It is the structural schematic diagram of the utility model installation upper product;

[0016] Figure 5 It is the structural schematic diagram when the utility model processes right oil injection pipe.

[0017] Illustration: 1, bottom plate, 2, mounting hole, 3, support column, 4, left chute, 5, right chute, 6, fixed block, 7, V-shaped groove, 8, movable block, 9, locking bolt, 10, pad block, 11, ejection hole, 12, arc-shaped groove, 13, positioning hole, 14, positioning column, 15, fastener, 16, upper joint, 17, oil injection pipe main body, 18, side hole, 19, lower joint. DETAILED DESCRIPTION

[0018] The utility model discloses further illustrate below in conjunction with specific embodiments. It is understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model. In addition, it is understood that after reading the content taught by the utility model, the person skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0019] The embodiment of the utility model relates to a kind of side hole processing frock of oil injection pipe, as shown in Figures 1-5 The utility model discloses further illustrate below in conjunction with specific embodiments. It is understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model. In addition, it is understood that after reading the content taught by the utility model, the person skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0020] The utility model discloses further illustrate below in conjunction with specific embodiments. It is understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model. In addition, it is understood that after reading the content taught by the utility model, the person skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0021] The utility model discloses further illustrate below in conjunction with specific embodiments. It is understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model. In addition, it is understood that after reading the content taught by the utility model, the person skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0022] The utility model discloses further illustrate below in conjunction with specific embodiments. It is understood that these embodiments are only for illustrating the utility model and are not for limiting the scope of the utility model. In addition, it is understood that after reading the content taught by the utility model, the person skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0023] The plurality of mounting holes 2 are circular through holes, and the bottom plate 1 is fixed on the workbench through the plurality of mounting holes 2.

[0024] The positioning column 14 is arranged at the middle of the upper end of the bottom plate 1, the positioning hole 13 matched with the positioning column 14 is arranged at the bottom of the support column 3, and the support column 3 is fixed with the bottom plate 1 through the fastener 15.

[0025] The cushion block 10 is arranged at the lower end of the left chute 4 and is fixed with the bottom plate 1 through the fastener 15.

[0026] The rear side of the fixed block 6 is fixed on the upper end of the support column 3 through the fastener 15.

[0027] The ejection hole 11 is arranged below the lower end of the right chute 5, a pneumatic cylinder can be arranged below the ejection hole 11, the ejection hole 11 can cooperate with the piston rod of the pneumatic cylinder to eject the processed right oil injection pipe, so that the operation is simplified and the efficiency is improved.

[0028] In the description of the utility model, it is understood that the orientation words such as " front, rear, upper, lower, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and the orientation or position relation indicated by the orientation words are usually based on the orientation or position relation shown in the drawing, and these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, so it can not be understood as the limitation of the protection scope of the utility model, and the orientation words " inner, outer " refer to the inner and outer of the contour of each component.

[0029] In order to facilitate the description, spatial relative terms such as " above ", " above ", " upper surface ", " upper " and the like can be used here to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing. For example, if the device in the drawing is inverted, the device described as " above " or " above " other devices or structures will be positioned " below " or " below " other devices or structures. Thus, the example term " above " can include both " above " and " below ". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.

[0030] In addition, it needs to be explained that the use of "first", "second" and the like to limit the parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning if there is no further declaration, so it cannot be understood as a limitation on the protection scope of the utility model.

[0031] The above describes in detail the oil injection pipe side hole processing tool provided by the application, the principles and implementation modes of the application are described by using specific examples, and the above example description is only used to help understand the method and core idea of the application; meanwhile, for those skilled in the art, according to the idea of the application, the specific implementation mode and application range will be changed, and the above is described, and the content of the specification should not be understood as a limitation on the application.

Claims

1. A tooling for machining the side hole of an injection pipe, comprising a base plate (1), characterized in that: A support column (3) is vertically installed at the middle of the upper end of the base plate (1). A left inclined groove (4) and a right inclined groove (5) are respectively opened on both sides of the front end of the support column (3). The upper part of the left inclined groove (4) is connected to the upper part of the right inclined groove (5) and passes through the upper end face of the support column (3). The left inclined groove (4) and the right inclined groove (5) are in the shape of a V-shape. A fixing block (6) is installed behind the connection between the left inclined groove (4) and the right inclined groove (5) at the upper end of the support column (3). A V-shaped groove (7) is opened at the middle of the front end of the fixing block (6). A locking bolt (9) is screwed on each side of the front end of the fixing block (6). A movable block (8) is sleeved on the two locking bolts (9). An arc groove (12) is opened at the rear end of the movable block (8) in front of the V-shaped groove (7).

2. The tooling for machining the side hole of the fuel injection pipe according to claim 1, characterized in that: The base plate (1) has multiple mounting holes (2) arranged around the support column (3) at its upper end. The mounting holes (2) are circular through holes.

3. The tooling for machining the side hole of the fuel injection pipe according to claim 1, characterized in that: The base plate (1) is provided with a positioning post (14) at the middle of the upper end, and the support column (3) is provided with a positioning hole (13) at the bottom that cooperates with the positioning post (14). The support column (3) and the base plate (1) are fixed together by fasteners (15).

4. The tooling for machining the side hole of the fuel injection pipe according to claim 1, characterized in that: A pad (10) is installed at the upper end of the base plate (1) inside the lower port of the left inclined groove (4), and the pad (10) is fixed to the base plate (1) by fasteners (15).

5. The tooling for machining the side hole of the fuel injection pipe according to claim 1, characterized in that: The rear side of the fixing block (6) is fixed to the upper end of the support column (3) by fasteners (15).

6. The tooling for machining the side hole of the fuel injection pipe according to claim 1, characterized in that: The bottom plate (1) has an ejection hole (11) located below the lower port of the right inclined groove (5) at its upper end.