Gas engine fuel metering valve dismounting tool

Abstract

The utility model relates to a kind of gas engine fuel metering valve dismounting tools, including screw rod, pillar, fixed support, bolt, movable support, slider, pedestal, slide rail, wherein: pedestal is rectangular plate structure;Two slide rails are symmetrically set in the middle of pedestal and are bolted to pedestal by bolt;Fixed support is long strip plate structure;Fixed support is bolted to pedestal by bolt;Movable support is long strip plate structure, and the lower end surface of movable support is provided with two sliders in the position corresponding to slide rail;Movable support is bolted to slider by bolt, and is slidably connected with slide rail by slider;The middle part of the upper end surface of fixed support and movable support is fixedly provided with screw rod support;Screw rod passes through the through-hole on two screw rod supports, and relative motion of fixed support and movable support is controlled by clockwise or counterclockwise rotation.This utility model improves the convenience of gas engine fuel metering valve dismounting;It improves the versatility and dismounting safety of tool.

Description

Technical Field

[0001] This utility model relates to the field of fuel metering valve disassembly and assembly technology for natural gas engines, and specifically to a fuel metering valve disassembly and assembly tool for gas engines. Background Technology

[0002] Because the fuel metering valve of a gas engine is very valuable, there is a need to disassemble the fuel metering valve assembly into parts, and fuel metering valve disassembly and assembly tools need to be provided to the service network.

[0003] The drawbacks of existing technology are: the fuel metering valve is not disassembled into parts, so if a sub-part fails, the entire assembly must be replaced, resulting in high warranty claims. Manually disassembling and assembling the fuel metering valve is difficult and cannot guarantee proper installation. Utility Model Content

[0004] This utility model addresses the above-mentioned problems by providing a tool for disassembling and assembling a gas engine fuel metering valve, aiming to improve the convenience of disassembling and assembling the gas engine fuel metering valve, and to enhance the tool's versatility and the safety of disassembly and assembly.

[0005] To solve the above problems, the technical solution provided by this utility model is as follows: A tool for disassembling and assembling a gas engine fuel metering valve includes a screw, a support, a fixed support, a bolt, a movable support, a slider, a base, and a slide rail, wherein: The base is a rectangular plate structure; two parallel and symmetrical slide rails are arranged in the middle of the base and are bolted to the base; the ends of the two slide rails are attached to one long side of the base; the fixed support is a long strip plate structure with multiple column structures for connecting the base on its lower end face; one side of the fixed support is attached to one long side of the base and is bolted to the base; the movable support is a long strip plate structure with two sliders arranged on its lower end face corresponding to the slide rails. The movable support is bolted to the slider and slidably connected to the slide rail via the slider; a screw bracket is fixedly provided at the middle of the upper end face of the fixed support and the movable support; the screw passes through the through holes on the two screw brackets and controls the relative movement of the fixed support and the movable support by rotating clockwise or counterclockwise; multiple pairs of first threaded holes for installing the support column are symmetrically provided at both ends of the upper end face of the fixed support and the movable support; the upper end of the support column is provided with a second threaded hole for installing the fuel metering valve.

[0006] Preferably, the base is 330mm long, 150mm wide, and 10mm high; the upper end face of the base has 10 third threaded holes symmetrically distributed for installing the fixed support and the slide rail; the third threaded holes are M5 bolt holes.

[0007] Preferably, the fixed support is 362mm long, 50mm wide, and 34mm high; two sets of the first threaded holes of type M12×1.75 are symmetrically arranged at both ends of the upper end face of the fixed support, and the distance between the two pairs of the first threaded holes is 250mm and 322mm respectively.

[0008] Preferably, the base, the fixed support, and the movable support are all subjected to surface bluing treatment and have a chamfer of 1×45°.

[0009] Preferably, the movable support is 362mm wide, 65mm high, and 10.5mm deep; two sets of the first threaded holes of type M12×1.75 are symmetrically arranged at both ends of the upper end face of the movable support, and the spacing between the two pairs of the first threaded holes is 250mm and 322mm respectively; eight M5 bolt holes for fixing the slider are symmetrically arranged in the middle of the upper end face of the movable support.

[0010] Preferably, the support column is 65mm long, with a second threaded hole of M10×1.5 with a depth of 20mm at the upper end and an external thread of M12×1.75 with a depth of 10mm at the lower end, and the support column is hardened to HRC38-42.

[0011] Preferably, the screw is an M20 screw with a length of 195mm.

[0012] Preferably, the first threaded hole selected when installing the support is matched with the corresponding engine model.

[0013] Preferably, when the disassembly and assembly tool is used for the D6.7N engine, the two pairs of first threaded holes on the inner side are used.

[0014] Preferably, when the disassembly and assembly tool is used for the Z15N engine, the two pairs of first threaded holes on the outer side are used.

[0015] Compared with the prior art, this utility model has the following advantages: Because this utility model adopts a structure combining a fixed support and a slide rail, the upper and lower rails of the fuel metering valve can be smoothly and accurately separated and joined.

[0016] Because this utility model adopts a structure that includes two optional fixed positions for fuel metering valves, it can be compatible with the fuel metering valves of both Z15N and D6.7N gas engine models. Attached Figure Description

[0017] Figure 1 This is a perspective view of a gas engine fuel metering valve disassembly and assembly tool according to a specific embodiment of the present utility model; Figure 2This is an exploded view of a gas engine fuel metering valve disassembly and assembly tool according to a specific embodiment of the present utility model; The components are: 1. Screw, 2. Support column, 3. Fixed support, 4. Bolt, 5. Movable support, 6. Slider, 7. Base, 8. Slide rail, 9. Screw bracket, 10. First threaded hole, 2.1. Second threaded hole, 3.1. Column structure, 7.1. Third threaded hole. Detailed Implementation

[0018] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0019] This utility model application claims protection for a tool for disassembling and assembling a gas engine fuel metering valve, such as... Figure 1 , 2 As shown, it includes a screw 1, a support column 2, a fixed support 3, a bolt 4, a movable support 5, a slider 6, a base 7, and a slide rail 8, wherein: The base 7 is a rectangular plate structure; two parallel and symmetrical slide rails 8 are arranged in the middle of the base 7 and are bolted to the base 7 by bolts 4; the ends of the two slide rails 8 are attached to one long side of the base 7; the fixed support 3 is a long strip plate structure, and its lower end face is provided with multiple column structures 3.1 for connecting the base 7; one side of the fixed support 3 is attached to one long side of the base 7 and is bolted to the base 7 by bolts 4; the movable support 5 is a long strip plate structure, and its lower end face is provided with two sliders 6 at positions corresponding to the slide rails 8 ... Support 5 is bolted to slider 6 via bolt 4, and slidably connected to slide rail 8 via slider 6; screw brackets 9 are fixedly installed in the middle of the upper end face of fixed support 3 and movable support 5; screw 1 passes through the through holes on the two screw brackets 9, and controls the relative movement of fixed support 3 and movable support 5 by rotating clockwise or counterclockwise; multiple pairs of first threaded holes 10 for installing support column 2 are symmetrically provided at both ends of the upper end face of fixed support 3 and movable support 5; the upper end of support column 2 is provided with a second threaded hole 2.1 for installing fuel metering valve.

[0020] In this specific embodiment, the base 7 is 330mm long, 150mm wide, and 10mm high; the upper end face of the base 7 has 10 third threaded holes 7.1 symmetrically distributed for installing and fixing the support 3 and the slide rail 8; the third threaded holes 7.1 are M5 bolt holes.

[0021] In this specific embodiment, the fixed support 3 is 362mm long, 50mm wide, and 34mm high; two sets of first threaded holes 10 of type M12×1.75 are symmetrically arranged at both ends of the upper end face of the fixed support 3, and the distance between the two pairs of first threaded holes 10 is 250mm and 322mm respectively.

[0022] In this specific embodiment, the movable support 5 is 362mm wide, 65mm high, and 10.5mm long. Two sets of first threaded holes 10 of type M12×1.75 are symmetrically arranged at both ends of the upper end face of the movable support 5, and the spacing between the two pairs of first threaded holes 10 is 250mm and 322mm respectively. Eight M5 bolt holes for fixing the slider 6 are symmetrically arranged in the middle of the upper end face of the movable support 5.

[0023] In this specific embodiment, the base 7, the fixed support 3, and the movable support 5 are all subjected to surface bluing treatment and have a chamfer of 1×45°.

[0024] In this specific embodiment, the support column 2 is 65mm long, with a second threaded hole 2.1 of M10×1.5 with a depth of 20mm at the upper end and an external thread of M12×1.75 with a depth of 10mm at the lower end. The support column 2 is hardened to HRC38-42.

[0025] In this specific embodiment, screw 1 is an M20 screw with a length of 195mm.

[0026] In this specific embodiment, the first threaded hole 10 selected when installing the support column 2 is matched with the corresponding engine model.

[0027] In this specific embodiment, the disassembly and assembly tool is used on the D6.7N engine by using the two pairs of first threaded holes 10 on the inner side.

[0028] In this specific embodiment, the disassembly and assembly tool is used for the Z15N engine by using the two pairs of first threaded holes 10 on the outer side.

[0029] It should be noted that when using the tool, first install the four support pillars 2 into the appropriate first threaded holes 10 on the support, then install the upper and lower rails of the fuel metering valve onto the four support pillars 2. By rotating the screw 1 clockwise or counterclockwise, the upper and lower rails can be separated or closed with the support to achieve the disassembly or installation of the fuel metering valve.

[0030] It needs to be further explained that, such as Figure 2 As shown, the fixed support 3 is fixed to the base 7, the slide rail 8 is fixed to the base 7, and the slider 6 is fixed to the movable support 5 using M5 hexagon countersunk bolts. Only the four supports need to be disassembled and reassembled during use.

[0031] After fixing the upper and lower rails of the fuel metering valve to the fixed support 3 and the movable support 5 via four support pillars 2, slowly and evenly rotate the screw 1 clockwise until the upper and lower rails separate, then disassemble the upper and lower rails and the injection valve. After applying oil to the O-ring of the injection valve and installing it on the upper and lower rails, fix the pre-assembled upper and lower rails of the fuel metering valve to the fixed support 3 and the movable support 5 via four support pillars 2. Slowly and evenly rotate the screw 1 counterclockwise until the fixed support 3 and the movable support 5 are completely fitted together. Then install the double-ended stud of the fuel metering valve to complete the assembly of the fuel metering valve.

[0032] In the above detailed description, various features are combined together in a single embodiment to simplify this disclosure. This approach to disclosure should not be construed as reflecting an intention that embodiments of the claimed subject matter require more features than are explicitly stated in each claim. Rather, as reflected in the appended claims, the invention is presented with fewer features than all of the features in a single disclosed embodiment. Therefore, the appended claims are hereby explicitly incorporated into the detailed description, with each claim representing a separate preferred embodiment of the invention.

[0033] The disclosed embodiments have been described above to enable any person skilled in the art to implement or use this invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit and scope of this disclosure. Therefore, this disclosure is not limited to the embodiments given herein, but is consistent with the widest scope of the principles and novel features disclosed in this application.

[0034] The foregoing description includes examples of one or more embodiments. It is certainly impossible to describe all possible combinations of components or methods in order to describe the above embodiments, but those skilled in the art will recognize that further combinations and arrangements of the various embodiments are possible. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. Furthermore, the term "comprising" as used in the specification or claims is interpreted in a manner similar to the term "including," as interpreted when used as a conjunction in the claims. Additionally, the use of any term "or" in the specification of the claims is intended to mean "non-exclusive or."

[0035] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A tool for disassembling and assembling a gas engine fuel metering valve, characterized in that: Includes a screw (1), a support (2), a fixed support (3), a bolt (4), a movable support (5), a slider (6), a base (7), and a slide rail (8), wherein: The base (7) is a rectangular plate structure; two slide rails (8) are arranged parallel and symmetrically in the middle of the base (7) and are bolted to the base (7) by bolts (4); the ends of the two slide rails (8) are attached to one long side of the base (7); the fixed support (3) is a long strip plate structure, and its lower end face is provided with multiple column structures (3.1) for connecting the base (7); one side of the fixed support (3) is attached to one long side of the base (7) and is bolted to the base (7) by bolts (4); the movable support (5) is a long strip plate structure, and its lower end face is provided with two sliders (6) at positions corresponding to the slide rails (8); The movable support (5) is bolted to the slider (6) via the bolt (4) and slidably connected to the slide rail (8) via the slider (6); a screw bracket (9) is fixedly provided in the middle of the upper end face of the fixed support (3) and the movable support (5); the screw (1) passes through the through holes on the two screw brackets (9) and controls the relative movement of the fixed support (3) and the movable support (5) by rotating clockwise or counterclockwise; multiple pairs of first threaded holes (10) for installing the support column (2) are symmetrically provided at both ends of the upper end face of the fixed support (3) and the movable support (5); the upper end of the support column (2) is provided with a second threaded hole (2.1) for installing the fuel metering valve.

2. The gas engine fuel metering valve disassembly and assembly tool according to claim 1, characterized in that: The base (7) is 330mm long, 150mm wide, and 10mm high; the upper end face of the base (7) is symmetrically distributed with 10 third threaded holes (7.1) for installing the fixed support (3) and the slide rail (8); the third threaded holes (7.1) are M5 bolt holes.

3. The gas engine fuel metering valve disassembly and assembly tool according to claim 2, characterized in that: The fixed support (3) is 362mm long, 50mm wide, and 34mm high; two sets of the first threaded holes (10) of model M12×1.75 are symmetrically arranged at both ends of the upper end face of the fixed support (3), and the distance between the two pairs of first threaded holes (10) is 250mm and 322mm respectively.

4. The gas engine fuel metering valve disassembly and assembly tool according to claim 3, characterized in that: The base (7), the fixed support (3) and the movable support (5) are all bluing treated and have a chamfer of 1×45°.

5. The gas engine fuel metering valve disassembly and assembly tool according to claim 4, characterized in that: The movable support (5) is 362mm wide, 65mm high, and 10.5mm long. Two sets of the first threaded holes (10) of type M12×1.75 are symmetrically arranged at both ends of the upper end face of the movable support (5), and the distance between the two pairs of first threaded holes (10) is 250mm and 322mm respectively. Eight M5 bolt holes for fixing the slider (6) are symmetrically arranged in the middle of the upper end face of the movable support (5).

6. The gas engine fuel metering valve disassembly and assembly tool according to claim 5, characterized in that: The support column (2) is 65mm long, with a second threaded hole (2.1) of M10×1.5 with a depth of 20mm at the upper end and an external thread of M12×1.75 with a depth of 10mm at the lower end. The support column (2) is hardened to HRC38-42.

7. The gas engine fuel metering valve disassembly and assembly tool according to claim 6, characterized in that: The screw (1) is an M20 screw with a length of 195mm.

8. The gas engine fuel metering valve disassembly and assembly tool according to claim 7, characterized in that: The first threaded hole (10) selected when installing the support (2) is matched with the corresponding engine model.

9. The gas engine fuel metering valve disassembly and assembly tool according to claim 8, characterized in that: When the disassembly and assembly tool is used on the D6.7N engine, the two pairs of first threaded holes (10) on the inner side are used.

10. The gas engine fuel metering valve disassembly and assembly tool according to claim 9, characterized in that: When the disassembly and assembly tool is used for the Z15N engine, the two pairs of first threaded holes (10) on the outside are used.

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