Auxiliary tool for forming middle hole in oil nozzle of gear box

By designing an auxiliary tooling for opening the center hole of the gearbox injector, and utilizing a combination of a base, lower clamping plate, upper clamping plate, and positioning components, the problem of uneven opening of the center hole of the injector was solved, thereby improving stability and accuracy.

CN223700082UActive Publication Date: 2025-12-23CARLSON PRECISION MACHINERY TECHNOLOGY (JURONG) CO LTD
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Patent Information

Application Number
CN202520093192.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-23
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Vibration occurs during the manufacturing process of the fuel injector when the center hole is opened, resulting in unevenness in the center hole and affecting the flow direction of the fuel.

Method used

An auxiliary tooling for opening the center hole of a gearbox injector was designed, including a base, a lower clamping plate, an upper clamping plate, and a positioning component. Through the cooperation of the rotating unit and the positioning bolt, the injector is stably fixed, ensuring the accuracy of opening the center hole.

Benefits of technology

It improves the stability and accuracy of the nozzle orifice opening, reduces the impact of vibration, and ensures the uniformity of the fuel flow.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223700082U_ABST
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Abstract

The utility model discloses a gear box oil nozzle center hole forming auxiliary tool which comprises a base, a lower clamping plate, an upper clamping plate and a positioning assembly, the lower clamping plate is arranged on the base, the lower clamping plate is connected with the lower clamping plate through a rotating unit, a positioning area used for fixing an oil nozzle to be perforated is formed between the lower clamping plate and the upper clamping plate, and the positioning assembly is arranged on the base. And the positioning assembly is used for fixing the upper clamping plate, so that the oil nozzle is fixed in the positioning area. The oil nozzle is contained in the positioning area, the idler wheels slide in the sliding rails in the length direction of the sliding rails, the movable frame is driven to move along with the sliding rails, the upper clamping plate and the lower clamping plate are located in the movable frame at the same time, and after the handle is rotated, the positioning bolt can be driven to rotate, and the positioning bolt is axially fed towards the upper clamping plate; and the limiting block abuts against the upper clamping plate, fixing of the upper clamping plate is completed, and therefore the oil nozzle is fixed in the positioning area, the stability of the oil nozzle in the middle hole forming process is improved, and meanwhile the hole forming precision is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary tool for opening middle hole of gear box oil injection nozzle. BACKGROUND

[0002] Oil injection nozzle itself is a normally closed valve (the meaning of normally closed valve is when there is no input control signal, valve is always in closed state;And normally open valve is when there is no input control signal, valve is always in open state), by a valve needle up and down movement to control the opening and closing of valve.

[0003] Currently, oil injection nozzle needs to set up middle hole for oil supply inside when manufacturing, but during setting up process, certain vibration is generated, leading to uneven middle hole setting, which affects the flow direction of subsequent oil circuit. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of auxiliary tool for opening middle hole of gear box oil injection nozzle to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of auxiliary tool for opening middle hole of gear box oil injection nozzle, including base, lower clamping plate, upper clamping plate and positioning assembly, the lower clamping plate is set on base, the lower clamping plate is connected with lower clamping plate by rotating unit, the lower clamping plate and upper clamping plate form the positioning area for fixing the oil injection nozzle to be drilled between, the positioning assembly is used to fix upper clamping plate, so that oil injection nozzle is fixed in positioning area.

[0006] Preferably, the rotating unit includes fixed block, the upper and lower ends of the fixed block are provided with rotating shaft, the upper clamping plate and the lower clamping plate are provided with recess on the side of fixed block, and the rotating shaft is inserted into the recess.

[0007] Preferably, the lower clamping plate surface is provided with strip groove, and the strip groove is provided with sliding rail.

[0008] Preferably, the positioning assembly includes moving frame, the upper surface of the moving frame is provided with threaded hole, and the threaded hole is inserted with positioning bolt.

[0009] Preferably, the top of the positioning bolt is provided with handle, and the positioning bolt extends to the end of moving frame and is connected with limiting block.

[0010] Preferably, the lower surface of the moving frame is provided with link rod, the link rod extends into sliding rail through strip groove, and the link rod is provided with roller at one end in sliding rail.

[0011] Preferably, the lower clamping plate and base are provided with cushion block.

[0012] The utility model discloses a technical effect and advantage: the auxiliary tool that the gear box oil injection nozzle middle hole is set up, the hollow oil injection nozzle to be set up is placed one by one on the upper surface of lower clamping plate, with the rotation of rotating shaft, drives the rotation of upper clamping plate, makes upper clamping plate and oil injection nozzle abut, contains oil injection nozzle in the positioning area, through the sliding of gyro wheel in slide rail along the length direction of slide rail, drives the movement frame to follow the movement, makes upper clamping plate and lower clamping plate be in movement frame simultaneously, after rotating handle, can drive the rotation of locating bolt, makes locating bolt towards upper clamping plate axial feed, makes the abut of limiting block and upper clamping plate, completes the fixation of upper clamping plate to the oil injection nozzle in the positioning area, improves the stability of oil injection nozzle when setting up middle hole, and improves the accuracy when opening hole simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of rotating shaft of the utility model;

[0015] Figure 3 It is the structure schematic diagram of slide rail of the utility model;

[0016] Figure 4 It is the structure schematic diagram of movement frame of the utility model.

[0017] In the drawing: 1, base; 2, lower clamping plate; 3, upper clamping plate; 4, fixed block; 5, rotating shaft; 6, strip slot; 7, slide rail; 8, movement frame; 9, locating bolt; 10, handle; 11, limiting block; 12, link rod; 13, gyro wheel; 14, cushion block. DETAILED DESCRIPTION

[0018] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment.

[0019] In order to facilitate the stability of oil injection nozzle when setting up middle hole, reference Figure 1 、 Figure 2 and Figure 3As shown, it comprises a base 1, a lower clamping plate 2, an upper clamping plate 3, and a positioning assembly, the lower clamping plate 2 is arranged on the base 1, the lower clamping plate 2 is connected with the lower clamping plate 2 through a rotating unit, a positioning area for fixing the oil nozzle to be drilled is formed between the lower clamping plate 2 and the upper clamping plate 3, the positioning assembly is used for fixing the upper clamping plate 3, so that the oil nozzle is fixed in the positioning area, the oil nozzle to be drilled is placed on the upper surface of the lower clamping plate 2 one by one, with the rotation of the rotating shaft 5, the upper clamping plate 3 is driven to rotate, so that the upper clamping plate 3 abuts against the oil nozzle, and the oil nozzle is accommodated in the positioning area, the roller 13 slides in the slide rail 7 along the length direction of the slide rail 7, drives the moving frame 8 to follow the movement, so that the upper clamping plate 3 and the lower clamping plate 2 are simultaneously in the moving frame 8, after the handle 10 is rotated, the rotation of the positioning bolt 9 is driven, the positioning bolt 9 is axially fed towards the upper clamping plate 3, the limiting block 11 abuts against the upper clamping plate 3, the fixing of the upper clamping plate 3 is completed, so that the oil nozzle is fixed in the positioning area, and the stability of the oil nozzle when the middle hole is drilled is improved.

[0020] In order to facilitate the pushing of the moving frame 8, with reference to Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the rotating unit comprises a fixed block 4, rotating shafts 5 arranged at the upper and lower ends of the fixed block 4, recesses formed in the side of the fixed block 4 towards the upper clamping plate 3 and the lower clamping plate 2, and the rotating shafts 5 inserted into the recesses, so that the upper clamping plate 3 is driven to approach or move away from the lower clamping plate 2 with the rotation of the rotating shafts 5, thereby forming a positioning area of the device oil nozzle. The lower clamping plate 2 is provided with a strip-shaped groove 6, the strip-shaped groove 6 is provided with a slide rail 7, the roller 13 slides along the length direction of the slide rail 7 in the slide rail 7, and the moving frame 8 is driven to move on the lower clamping plate 2 under the connection of the connecting rod 12. The positioning assembly comprises the moving frame 8, the upper surface of the moving frame 8 is provided with a threaded hole, and the positioning bolt 9 is inserted into the threaded hole, so that the lower clamping plate 2 and the upper clamping plate 3 are inserted into the moving frame 8 at the same time when the oil nozzle is positioned in the positioning area. The positioning bolt 9 is provided with a handle 10 at the top, one end of the positioning bolt 9 extends into the moving frame 8 and is connected with the limiting block 11, the handle 10 is rotated, the positioning bolt 9 is matched with the threaded hole, the limiting block 11 is driven to axially feed towards the upper clamping plate 3, the limiting plate abuts against the upper clamping plate 3, the upper clamping plate 3 is clamped and fixed, and the oil nozzle in the positioning area is further fixed. The lower surface of the moving frame 8 is provided with the connecting rod 12, the connecting rod 12 extends into the slide rail 7 through the strip-shaped groove 6, one end of the connecting rod 12 in the slide rail 7 is provided with the roller 13, the moving frame 8 is pushed, the connecting rod 12 is connected, the roller 13 is driven to move in the slide rail 7, and the moving frame 8 moves.

[0021] In use, the oil nozzles to be hollowed are placed on the upper surface of the lower clamping plate 2 one by one, the upper clamping plate 3 is driven to rotate with the rotation of the rotating shafts 5, the upper clamping plate 3 abuts against the oil nozzles, the oil nozzles are contained in the positioning area, the roller 13 slides along the length direction of the slide rail 7 in the slide rail 7, the moving frame 8 is driven to move, the upper clamping plate 3 and the lower clamping plate 2 are in the moving frame 8 at the same time, the handle 10 is rotated, the rotation of the positioning bolt 9 is driven, the positioning bolt 9 is axially fed towards the upper clamping plate 3, the limiting block 11 abuts against the upper clamping plate 3, the upper clamping plate 3 is fixed, and the oil nozzle is fixed in the positioning area.

[0022] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application.

Claims

1. An auxiliary tooling for opening the central hole of a gearbox fuel injector, characterized in that, It includes a base (1), a lower clamping plate (2), an upper clamping plate (3), and a positioning component. The lower clamping plate (2) is disposed on the base (1). The lower clamping plate (2) is connected to the lower clamping plate (2) through a rotating unit. A positioning area for fixing the nozzle to be drilled is formed between the lower clamping plate (2) and the upper clamping plate (3). The positioning component is used to fix the upper clamping plate (3) so that the nozzle is fixed in the positioning area.

2. The auxiliary tooling for opening the central hole of the gearbox injector according to claim 1, characterized in that: The rotating unit includes a fixed block (4), and a rotating shaft (5) is provided at both the upper and lower ends of the fixed block (4). The upper clamping plate (3) and the lower clamping plate (2) are provided with grooves on the side facing the fixed block (4), and the rotating shaft (5) is inserted into the groove.

3. The auxiliary tooling for opening the central hole of the gearbox injector according to claim 1, characterized in that: The lower clamping plate (2) has a strip groove (6) on its surface, and a slide rail (7) is provided in the strip groove (6).

4. The auxiliary tooling for opening the central hole of the gearbox injector according to claim 3, characterized in that: The positioning component includes a movable frame (8), the upper surface of which is provided with a threaded hole, and a positioning bolt (9) is inserted into the threaded hole.

5. The auxiliary tooling for opening the central hole of the gearbox injector according to claim 4, characterized in that: The positioning bolt (9) is provided with a handle (10) at the top, and the positioning bolt (9) extends into the movable frame (8) and is connected to a limit block (11) at one end.

6. The auxiliary tooling for opening the central hole of the gearbox injector according to claim 5, characterized in that: The lower surface of the movable frame (8) is provided with a connecting rod (12), which extends into the slide rail (7) through the strip groove (6), and a roller (13) is provided at one end of the connecting rod (12) inside the slide rail (7).

7. The auxiliary tooling for opening the central hole of the gearbox injector according to claim 1, characterized in that: A pad (14) is provided between the lower clamping plate (2) and the base (1).