Rapid installation device for oil sprayer

Through the design of the injector installation device, the groove of the positioning device is matched with the installation angle of the injector to achieve the synchronization positioning of the injector, solve the problem of bias of the injector and oil seal, and save the installation time.

CN222415043UActive Publication Date: 2025-01-28DONGFENG CUMMINS ENGINE
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Patent Information

Application Number
CN202421132096.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-28
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

In the prior art, when installing the fuel injector, it is difficult to ensure the inclination angle of the fuel injector, which causes the fuel injector to eccentricity with the oil seal, and 6 high-pressure oil pipes need to be removed, increasing the working time.

Method used

Design a kind of injector fast installation device, including the base, bracket, installation bolt and positioning device. The grooves of the positioning device are matched with the installation angle of the injector to achieve synchronous positioning. , Simplify the installation process.

Benefits of technology

The synchronization positioning of 6 injectors has been achieved, eliminating the quality problem of incompetence and oil sealing, and saving the repetitive adjustment time of 240 seconds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a quick mounting device for an oil injector. The quick mounting device comprises a base, a bracket, mounting bolts, positioning device fixing bolts and a positioning device, the base is of a long-strip-shaped cubic structure. The base is in bolted connection with an engine cylinder cover through mounting bolts; a bracket is arranged in the vertical direction of the base; the support is of a cuboid structure. The support and the base are of an integrated structure. A positioning device extending outwards is arranged at the top of the bracket; a positioning device fixing bolt penetrates through a through hole in the positioning device from top to bottom and then is connected with a top bolt of the bracket; a groove for positioning the oil sprayer is formed in the front end of the positioning device; the position of the groove is matched with the mounting position of the oil sprayer; the outline of the inner side face of the groove is matched with the installation angle of the oil sprayer. The quality problem that the oil injector and the oil seal are not centered is solved, and meanwhile the installation time for repeatedly adjusting the oil injector is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fuel injector installation, in particular to a fuel injector quick installation device. Background Art

[0002] The injector of the ruby ​​engine has an inclination angle of 3°. The prior art installation is to align the injector with the interface of 6 process high-pressure oil pipes.

[0003] The defects of the prior art are:

[0004] 1. Since the angle of the injector cannot be guaranteed during installation, it is found that the injector and the oil seal are seriously eccentric after actual assembly, which leads to the eccentricity of the injector and the oil seal after the subsequent installation of the cover.

[0005] 2. Since the installation process requires the removal of 6 process high-pressure oil pipes, the single operation cycle increases by 260 seconds, resulting in a huge waste of man-hours. Summary of the invention

[0006] The utility model aims at solving the above problems and provides a quick installation device for a fuel injector, which aims to eliminate the quality problem of misalignment between the fuel injector and the oil seal and save the installation time of repeated adjustment of the fuel injector.

[0007] In order to solve the above problems, the technical solution provided by the utility model is:

[0008] The quick installation device of the fuel injector comprises a base, a bracket, a mounting bolt, a positioning device fixing bolt, and a positioning device, wherein:

[0009] The base is a long cubic structure; the base is bolted to the engine cylinder head through the mounting bolts; the bracket is provided in the vertical direction of the base;

[0010] The bracket is a rectangular parallelepiped structure; the bracket and the base are an integrated structure; the top of the bracket is provided with the positioning device extending outward;

[0011] The fixing bolt of the positioning device passes through the through hole on the positioning device from top to bottom, and then is connected with the top bolt of the bracket;

[0012] The front end of the positioning device is provided with a groove for positioning the injector;

[0013] The position of the groove matches the installation position of the injector;

[0014] The profile of the inner side surface of the groove matches the installation angle of the injector.

[0015] Preferably, the length of the base is 630 mm.

[0016] Preferably, a device picking handle is provided in the vertical direction of the base; the base and the device picking handle are an integral structure.

[0017] Preferably, a device horizontal block extending outward is provided in the horizontal direction of the base; the base and the device horizontal block are an integral structure; the device horizontal block is a long cubic structure; the bottom surface of the device horizontal block is flush with the top surface of the engine cylinder head.

[0018] Preferably, the positioning device is provided with a bracket positioning pin for ensuring the installation position of the positioning device and the bracket.

[0019] Preferably, the number of the brackets is 3; the number of the positioning devices is 3; the outwardly extending part of each positioning device is symmetrically provided with two grooves; each positioning device is provided with two positioning device fixing bolts; and two bracket positioning pins are provided between the two positioning device fixing bolts on each positioning device.

[0020] Preferably, the distance between the central axes of two adjacent positioning devices is 120 mm.

[0021] Preferably, the vertical distance from the concave apex of the groove to the horizontal axis where the center of the mounting bolt is located is 50 mm.

[0022] Preferably, the installation angle of the injector is 3°.

[0023] Compared with the prior art, the utility model has the following advantages:

[0024] 1. Since the utility model realizes synchronous positioning of 6 fuel injectors, the quality problem of misalignment between the fuel injector and the oil seal is eliminated.

[0025] 2. Since the utility model does not need to disassemble and adjust the fixed installation angle of the injector for many times, 240 seconds of repeated adjustment time of the injector installation is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic front view of a quick installation device for a fuel injector according to a specific embodiment 1 of the utility model;

[0027] Figure 2 It is a schematic side view of a quick installation device for a fuel injector according to a specific embodiment 1 of the utility model;

[0028] Figure 3 It is a schematic top view of a quick installation device for a fuel injector according to a specific embodiment 1 of the utility model;

[0029] Figure 4It is a schematic perspective view of a quick installation device for a fuel injector according to a specific embodiment 2 of the utility model;

[0030] Including: 1. Engine cylinder head, 2. Base, 3. Bracket, 4. Injector, 2.1. Mounting bolts, 3.1. Positioning device fixing bolts, 3.2. Bracket positioning pins, 3.3. Positioning device, 3.3.1. Groove, 2.2. Device pick-up handle, 2.3. Device level block DETAILED DESCRIPTION

[0031] The present invention is further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0032] Embodiment 1:

[0033] like Figure 1 , 2 As shown in 3, the quick installation device of the fuel injector comprises a base 2, a bracket 3, a mounting bolt 2.1, a positioning device fixing bolt 3.1, and a positioning device 3.3, wherein:

[0034] The base 2 is a long cubic structure; the base 2 is bolted to the engine cylinder head 1 via mounting bolts 2.1; a bracket 3 is provided in the vertical direction of the base 2.

[0035] The bracket 3 is a rectangular parallelepiped structure; the bracket 3 and the base 2 are an integral structure.

[0036] The top of the bracket 3 is provided with a positioning device 3.3 extending outward.

[0037] The positioning device fixing bolt 3.1 passes through the through hole on the positioning device 3.3 from top to bottom, and then is connected with the top bolt of the bracket 3.

[0038] The front end of the positioning device 3.3 is provided with a groove 3.3.1 for positioning the injector 4.

[0039] The position of the groove 3.3.1 matches the installation position of the injector 4.

[0040] The profile of the inner side surface of the groove 3.3.1 matches the installation angle of the injector 4.

[0041] In this specific embodiment, the length of the base 2 is 630 mm.

[0042] It should be noted that a device picking-up handle 2.2 is provided in the vertical direction of the base 2; the base 2 and the device picking-up handle 2.2 are an integral structure.

[0043] It should be further explained that a device horizontal block 2.3 extending outward is provided in the horizontal direction of the base 2; the base 2 and the device horizontal block 2.3 are an integral structure.

[0044] The device horizontal block 2.3 is a long cubic structure; the bottom surface of the device horizontal block 2.3 is flush with the top surface of the engine cylinder head 1.

[0045] It should be noted that the positioning device 3.3 is provided with a bracket positioning pin 3.2 for ensuring the installation position of the positioning device 3.3 and the bracket 3.

[0046] It should be further explained that the bracket positioning pin 3.2 is for accurate positioning to prevent the positioning device fixing bolt 3.1 from deviating during tightening.

[0047] In this specific embodiment, the number of the brackets 3 is 3. The number of the positioning devices 3.3 is 3.

[0048] In this specific embodiment, the outwardly extending portion of each positioning device 3.3 is symmetrically provided with two grooves 3.3.1; each positioning device 3.3 is provided with two positioning device fixing bolts 3.1; and two bracket positioning pins 3.2 are provided between the two positioning device fixing bolts 3.1 on each positioning device 3.3.

[0049] In this specific embodiment, the distance between the central axes of two adjacent positioning devices 3.3 is 120 mm.

[0050] In this specific embodiment, the vertical distance from the concave vertex of the groove 3.3.1 to the horizontal axis where the center of the mounting bolt 2.1 is located is 50 mm.

[0051] In this specific embodiment, the installation angle of the fuel injector 4 is 3°.

[0052] It should be noted that the groove 3.3.1 directly clamps the fuel injector 4 according to the installation angle of the fuel injector 4 to prevent the position of the fixing bolt of the fuel injector 4 from shifting during the tightening process.

[0053] Embodiment 2:

[0054] like Figure 4 As shown, the injector quick installation device comprises a base 2, a bracket 3, a mounting bolt 2.1, a positioning device fixing bolt 3.1, and a positioning device 3.3, wherein:

[0055] The base 2 is a long cubic structure; the base 2 is bolted to the engine cylinder head 1 via mounting bolts 2.1; a bracket 3 is provided in the vertical direction of the base 2.

[0056] The bracket 3 is a rectangular parallelepiped structure; the bracket 3 and the base 2 are an integral structure.

[0057] The top of the bracket 3 is provided with a positioning device 3.3 extending outward.

[0058] The positioning device fixing bolt 3.1 passes through the through hole on the positioning device 3.3 from top to bottom, and then is connected with the top bolt of the bracket 3.

[0059] The front end of the positioning device 3.3 is provided with a groove 3.3.1 for positioning the injector 4.

[0060] The position of the groove 3.3.1 matches the installation position of the injector 4.

[0061] The profile of the inner side surface of the groove 3.3.1 matches the installation angle of the injector 4.

[0062] In this specific embodiment, the length of the base 2 is 630 mm.

[0063] It should be noted that the positioning device 3.3 is provided with a bracket positioning pin 3.2 for ensuring the installation position of the positioning device 3.3 and the bracket 3.

[0064] It should be further explained that the bracket positioning pin 3.2 is for accurate positioning to prevent the positioning device fixing bolt 3.1 from deviating during tightening.

[0065] In this specific embodiment, the number of the brackets 3 is 6. The number of the positioning devices 3.3 is 6.

[0066] In this specific embodiment, each bracket 3 is provided with a positioning device 3.3; each positioning device 3.3 is provided with two positioning device fixing bolts 3.1; and two bracket positioning pins 3.2 are provided between the two positioning device fixing bolts 3.1 on each positioning device 3.3.

[0067] It should be noted that the positioning device 3.3 on the leftmost bracket 3 extends to the left front to the corresponding installation position of the first injector 4 on the left.

[0068] It should be further explained that the positioning device 3.3 on the rightmost bracket 3 extends to the right front to the corresponding installation position of the last injector 4 on the right side.

[0069] It should be further explained that the positioning devices 3.3 on the second, third, fourth and fifth brackets 3 from left to right extend straight forward to the corresponding installation positions of the injectors 4 aligned therewith.

[0070] In this specific embodiment, the distance between the central axes of two adjacent positioning devices 3.3 is 120 mm.

[0071] In this specific embodiment, the vertical distance from the concave vertex of the groove 3.3.1 to the horizontal axis where the center of the mounting bolt 2.1 is located is 50 mm.

[0072] In this specific embodiment, the installation angle of the fuel injector 4 is 3°.

[0073] It should be noted that the groove 3.3.1 directly clamps the fuel injector 4 according to the installation angle of the fuel injector 4 to prevent the position of the fixing bolt of the fuel injector 4 from shifting during the tightening process.

[0074] In the above detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are clearly stated in each claim. On the contrary, as reflected in the appended claims, the invention is in a state of having less than all the features of the disclosed individual embodiments. Therefore, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0075] The disclosed embodiments are described above to enable any person skilled in the art to implement or use the present invention. Various modifications of these embodiments are obvious to those skilled in the art, and the general principles defined herein may also be applied to other embodiments without departing from the spirit and scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in this application.

[0076] The above description includes examples of one or more embodiments. Of course, it is not possible to describe all possible combinations of components or methods for the purpose of describing the above embodiments, but it should be recognized by those skilled in the art that the various embodiments may be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications and variations that fall within the scope of protection of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the word is covered in a manner similar to the term "including", just as "including," is explained as a transitional word in the claims. In addition, any term "or" used in the specification of the claims is intended to mean "non-exclusive or".

[0077] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick installation device for a fuel injector, characterized in that: It comprises a base (2), a bracket (3), a mounting bolt (2.1), a positioning device fixing bolt (3.1), and a positioning device (3.3), wherein: The base (2) is a long cubic structure; the base (2) is bolted to the engine cylinder head (1) via the mounting bolts (2.1); the bracket (3) is provided in the vertical direction of the base (2); The support (3) is a rectangular parallelepiped structure; the support (3) and the base (2) are an integral structure; The top of the bracket (3) is provided with the positioning device (3.3) extending outward; The positioning device fixing bolt (3.1) passes through the through hole on the positioning device (3.3) from top to bottom, and then is connected with the top bolt of the bracket (3); The front end of the positioning device (3.3) is provided with a groove (3.3.1) for positioning the fuel injector (4); The position of the groove (3.3.1) matches the installation position of the fuel injector (4); The profile of the inner side surface of the groove (3.3.1) matches the installation angle of the fuel injector (4).

2. The fuel injector quick installation device according to claim 1, characterized in that: The length of the base (2) is 630 mm.

3. The fuel injector quick installation device according to claim 2, characterized in that: A device picking handle (2.2) is provided in the vertical direction of the base (2); the base (2) and the device picking handle (2.2) are an integrated structure.

4. The fuel injector quick installation device according to claim 3, characterized in that: A device horizontal block (2.3) extending outward is provided in the horizontal direction of the base (2); the base (2) and the device horizontal block (2.3) are an integral structure; The device horizontal block (2.3) is a long strip cubic structure; the bottom surface of the device horizontal block (2.3) is flush with the top surface of the engine cylinder head (1).

5. The fuel injector quick installation device according to claim 4, characterized in that: The positioning device (3.3) is provided with a bracket positioning pin (3.2) for ensuring the installation position of the positioning device (3.3) and the bracket (3).

6. The fuel injector quick installation device according to claim 5, characterized in that: The number of the brackets (3) is 3; the number of the positioning devices (3.3) is 3; The outwardly extending portion of each positioning device (3.3) is symmetrically provided with two grooves (3.3.1); each positioning device (3.3) is provided with two positioning device fixing bolts (3.1); and two bracket positioning pins (3.2) are provided between the two positioning device fixing bolts (3.1) on each positioning device (3.3).

7. The fuel injector quick installation device according to claim 6, characterized in that: The distance between the central axes of two adjacent grooves (3.3.1) is 120 mm.

8. The fuel injector quick installation device according to claim 7, characterized in that: The vertical distance from the concave vertex of the groove (3.3.1) to the horizontal axis where the center of the mounting bolt (2.1) is located is 50 mm.

9. The fuel injector quick installation device according to claim 8, characterized in that: The installation angle of the fuel injector (4) is 3°.