Engine idle speed screw tool

Abstract

The utility model provides an engine idling screw tooling, including fixed plate, first locating plate, second locating plate, fixed bolt, the first locating plate is placed on the end portion of fixed plate and is fixed connection with fixed plate and is used for abutting against the end portion of idling screw, the second locating plate is connected with fixed plate through fixed bolt, the second locating plate includes adjusting portion and slot hole, and the adjusting portion is fixed on the fixed plate through the slot hole. The adjusting part is arranged on the fixing plate, the long hole is formed in the adjusting part in the left-right direction, the fixing bolt is arranged in the long hole, and the distance, relative to the first positioning plate, of the second positioning plate in the left-right direction can be adjusted through the long hole. According to the engine idle speed screw tool, limiting adjustment is achieved when engine idle speed screws are assembled, the mode that the engines are adjusted one by one after being assembled is avoided, the engine idle speed screw tool is simple and convenient in structure, the engine idle speed required to be achieved can be adjusted, meanwhile, labor cost is reduced, and production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of engines, and in particular to an engine idle speed screw tooling. Background Technology

[0002] Engine idling speed is one of the engine's operating conditions, which has a certain impact on emissions, fuel consumption, and comfort. Therefore, engine idling speed adjustment is a key area that needs to be focused on before production and testing. Due to inconsistencies in the engine's fuel injection pump and related speed-regulating components, engine idling speed adjustment takes up a significant amount of testing time, increasing labor costs and impacting production efficiency.

[0003] Therefore, it is necessary to provide an engine idle speed screw tool to overcome the defects mentioned above. Utility Model Content

[0004] The purpose of this utility model is to provide an engine idle speed screw tooling with a simple and convenient structure, which can adjust the required engine idle speed while reducing labor costs and improving production efficiency.

[0005] According to one aspect of this utility model, an engine idle speed screw fixture is provided. With the axial direction of the idle speed screw as the left and right, it includes a fixed plate, a first positioning plate, a second positioning plate, and a fixing bolt. The first positioning plate is located at the end of the fixed plate and fixedly connected to the fixed plate to abut against the end of the idle speed screw. The second positioning plate is adjacent to the first positioning plate and connected to the fixed plate by the fixing bolt. The second positioning plate includes an adjusting part and an elongated hole. The adjusting part is located on the fixed plate, and the elongated hole is located in the adjusting part along the left-right direction. The fixing bolt is located in the elongated hole. The distance between the second positioning plate and the first positioning plate in the left-right direction is adjustable through the elongated hole. This solution achieves limit adjustment during engine idle speed screw assembly. For idle speed screws produced in the same batch, only one trial assembly and adjustment are needed, avoiding the need for individual adjustments after each engine is re-assembled. The above solution has a simple and convenient structure, can adjust the required engine idle speed, reduces labor costs, and improves production efficiency.

[0006] Preferably, the second positioning plate further includes a limiting portion connected to the adjusting portion and extending in a direction perpendicular to the adjusting portion, for abutting against the idle speed bracket. This design helps to achieve better limiting of the idle speed bracket, thereby achieving the limiting assembly of the idle speed screw.

[0007] Preferably, the elongated hole includes a first elongated hole and a second elongated hole arranged side-by-side with the first elongated hole in a direction perpendicular to the left and right. This design helps ensure the parallelism of the second positioning plate relative to the first positioning plate, or allows for parallelism adjustments based on the assembly requirements of the idle speed screw, reducing errors during idle speed screw assembly and facilitating better adjustment of the engine's idle speed.

[0008] Preferably, the difference between the height H1 of the limiting part and the height h1 of the idle speed screw axis from the fixing plate is greater than half the maximum width l1 of the fixing nut on the idle speed screw, i.e., h1-H1>l1 / 2. This scheme avoids interference between the fixing screw and the second positioning plate during assembly.

[0009] Preferably, the height H1 of the limiting part is greater than the bottom bending radius r1 of the idle speed bracket. This design helps to better limit the movement of the second positioning plate, avoiding insufficient or ineffective limiting.

[0010] Preferably, the first positioning plate is welded to the end of the fixing plate.

[0011] Preferably, the fixing plate includes a threaded hole, and the fixing bolt passes through the threaded hole.

[0012] Preferably, the first positioning plate is welded to the end of the fixing plate.

[0013] Preferably, an engine idle speed screw fixture is used to assemble an engine idle speed screw, an idle speed bracket, and a fixing nut. The idle speed screw passes through the idle speed bracket, and fixing nuts are respectively fitted on both sides of the idle speed bracket on the idle speed screw. During assembly, the left and right distance of the second positioning plate is adjusted through the elongated hole. The end of the idle speed screw that is relatively far from the fixing nut abuts against the first positioning plate, and the idle speed bracket abuts against the limiting part. The two idle speed nuts are locked to ensure that the idle speed bracket and the idle speed screw are fastened together, thereby completing the limiting assembly of the idle speed screw.

[0014] This utility model provides an engine idle speed screw tooling fixing plate, a first positioning plate, a second positioning plate, and a fixing bolt. Through a simple and reasonable structure and assembly scheme, it realizes the limiting assembly of the engine idle speed screw, thereby adjusting the engine idle speed to meet technical process requirements, reducing labor costs, and improving production efficiency. Attached Figure Description

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0016] Figure 1 This is a front view of the engine idle speed screw fixture;

[0017] Figure 2 Top view of the engine idle speed screw fixture;

[0018] Figure 3 This is a top view of the second positioning part;

[0019] Figure 4 for Figure 1 A magnified view of a portion of position A in the middle.

[0020] Explanation of icon numbers:

[0021] 10. Fixing plate; 20. First positioning plate; 30. Second positioning plate; 40. Fixing bolt; 50. Idle speed screw; 60. Fixing nut; 70. Idle speed bracket; 101. Threaded hole; 301. Adjustment part; 302. Long hole; 302a. First long hole; 302b. Second long hole; 303. Limiting part. Detailed Implementation

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] To keep the drawings concise, only the parts relevant to this invention are shown schematically in each figure, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."

[0024] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0025] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.

[0028] See Figures 1 to 4 As shown, this embodiment provides an engine idle speed screw 50 tooling. Taking the axial direction of the idle speed screw 50 as left and right, it includes a fixing plate 10, a first positioning plate 20, a second positioning plate 30, and a fixing bolt 40. The first positioning plate 20 is placed at the end of the fixing plate 10 and is connected to the fixing plate 10 by welding to abut the end of the idle speed screw 50. The second positioning plate 30 is arranged adjacent to the first positioning plate 20 and is connected to the fixing plate 10 by the fixing bolt 40. The second positioning plate 30 includes an adjustment part 301 and an elongated hole 302. The adjustment part 301 is placed on the fixing plate 10, and the elongated hole is located in the adjustment part 301 in the left and right direction. The fixing bolt 40 is placed in the elongated hole 302. The distance of the second positioning plate 30 relative to the first positioning plate 20 in the left and right direction is adjustable through the elongated hole 302. The above solution achieves the limit adjustment during the assembly of the engine idle speed screw 50. For the idle speed screw 50 produced in the same batch, only one trial assembly and adjustment is required, avoiding the method of adjusting each one after each engine is transferred. The above solution is simple and convenient in structure, which can adjust the required engine idle speed, reduce labor costs, and improve production efficiency.

[0029] The second positioning plate 30 also includes a limiting part 303 connected to the adjusting part 301 and extending in a direction perpendicular to the adjusting part 301, for abutting against the idle speed bracket 70. The above solution helps to achieve better limiting of the idle speed bracket 70, thereby realizing the limiting assembly of the idle speed screw 50.

[0030] join Figure 3 As shown, the elongated hole 302 includes a first elongated hole 302a and a second elongated hole 302b arranged side by side with the first elongated hole 302a in a direction perpendicular to the left and right. This design helps ensure the parallelism of the second positioning plate 30 relative to the first positioning plate 20, or adjusts the parallelism according to the assembly requirements of the idle speed screw 50, reducing errors during the assembly of the idle speed screw 50 and facilitating better adjustment of the engine's idle speed.

[0031] See Figure 4 As shown, the difference between the height H1 of the limiting part 303 and the height h1 of the idle speed screw 50's axis from the fixing plate 10 is greater than half the maximum width l1 of the fixing nut 60 on the idle speed screw 50, i.e., h1-H1>l1 / 2. This solution avoids interference between the fixing screw and the second positioning plate 30 during assembly.

[0032] The height H1 of the limiting part 303 is greater than the bottom bending radius r1 of the idle speed bracket 70. This solution helps to better limit the second positioning plate 30, avoiding insufficient or inability to limit.

[0033] The first positioning plate 20 is welded to the end of the fixing plate 10.

[0034] The fixing plate 10 includes a threaded hole 101, and the fixing bolt 40 passes through the threaded hole 101.

[0035] This embodiment of the engine idle speed screw 50 tooling is used to assemble the engine idle speed screw 50, idle speed bracket 70, and fixing nut 60. Its basic working principle is as follows: the idle speed screw 50 passes through the idle speed bracket 70, and fixing nuts 60 are respectively sleeved on both sides of the idle speed bracket 70 on the idle speed screw 50. During assembly, the left and right distance of the second positioning plate 30 is adjusted through the elongated hole. The end of the idle speed screw 50 that is relatively far away from the fixing nut 60 abuts against the first positioning plate 20, and the idle speed bracket 70 abuts against the limiting part 303. The two idle speed nuts are locked to ensure that the idle speed bracket 70 and the idle speed screw 50 are fastened together, thereby completing the limiting assembly of the idle speed screw 50.

[0036] This embodiment provides an engine idle speed screw tooling fixing plate, a first positioning plate, a second positioning plate, and a fixing bolt. Through a simple and reasonable structure and assembly scheme, it realizes the limiting assembly of the engine idle speed screw, thereby adjusting the engine idle speed to meet technical process requirements, reducing labor costs, and improving production efficiency.

[0037] It will be apparent to those skilled in the art that various modifications and variations can be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention cover modifications and variations falling within the scope of the appended claims and their equivalents.

Claims

1. A tooling for an engine idle speed screw, with the axial direction of the idle speed screw as left and right, characterized in that, include: Fixing plate; A first positioning plate is placed at the end of the fixed plate and fixedly connected to the fixed plate to abut against the end of the idle speed screw; The second positioning plate is disposed adjacent to the first positioning plate; The fixing bolts are used to connect the second positioning plate to the fixing plate. The second positioning plate includes: Adjustment part, the adjustment part is placed on the fixing plate; An elongated hole is provided in the adjustment part along the left-right direction, and the fixing bolt is placed in the elongated hole. The distance between the second positioning plate and the first positioning plate along the left-right direction is adjustable through the elongated hole.

2. The engine idle speed screw fixture as described in claim 1, characterized in that: The second positioning plate also includes a limiting part connected to the adjustment part and extending in a direction perpendicular to the adjustment part, for abutting against the idle speed bracket.

3. The engine idle speed screw fixture as described in claim 1, characterized in that: The elongated hole includes a first elongated hole and a second elongated hole arranged side by side with the first elongated hole in a direction perpendicular to the left and right.

4. The engine idle speed screw fixture as described in claim 2, characterized in that: The difference between the height H1 of the limiting part and the height h1 of the distance between the axis of the idle speed screw and the fixing plate is greater than half the maximum width l1 of the fixing nut on the idle speed screw, that is, h1-H1>l1 / 2.

5. The engine idle speed screw fixture as described in claim 2, characterized in that: The height H1 of the limiting part is greater than the bottom bending radius r1 of the idle speed bracket.

6. The engine idle speed screw fixture as described in claim 1, characterized in that: The first positioning plate is welded to the end of the fixing plate.

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