Novel driving connection structure for air compressor

Abstract

The utility model discloses a novel driving connection structure for an air compressor, which comprises a gear chamber, a crankshaft timing gear, an idle gear and an oil injection pump timing gear are arranged in the gear chamber, the idle gear is meshed on the surface of the crankshaft timing gear, the oil injection pump timing gear is meshed on the surface of the idle gear, and the idle gear is meshed on the surface of the oil injection pump timing gear. A convex spline is integrated on the fuel injection pump timing gear; the air compressor unit comprises an air compressor body, a limiting plate is fixed to the air compressor body, and a shifting fork handle is installed on the limiting plate. According to the technical scheme, the novel driving connection structure for the air compressor has the advantages that whether the air compressor works or not can be freely achieved, and the reliability of parts is improved; the arrangement space can be optimized, and power transmission is stable and reliable; unique conical spline transmission is achieved, meshing is smooth, idling combination is met, and vibration and noise are reduced to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine technical field especially relates to a novel air compressor drive connection structure. BACKGROUND

[0002] China is a big agricultural country, with the rapid development of agriculture, agricultural machinery is constantly updated iteration, especially such as tractor and harvesting machinery etc. With the progress of the times, people's pursuit of agricultural machinery is constantly progressing. Reliability, compactness, NVH performance are constantly improving. Most of the power source of modern air compressor is provided through the engine, part of which is transmitted through the belt, and part of which is transmitted through the gear. Considering the special working condition of agricultural machinery, the air compressor does not need to work all the time; considering the compactness, it is necessary to try to collect to ensure the wide view; considering the user experience, it is necessary to refine the structure to improve the NVH performance. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] Therefore, in order to solve the above technical problems, the utility model provides the following technical scheme: a novel air compressor drive connection structure, the novel air compressor drive connection structure comprises:

[0005] The gear chamber is provided with a crankshaft timing gear, an idler gear and an oil pump timing gear, the idler gear is engaged on the surface of the crankshaft timing gear, the oil pump timing gear is engaged on the surface of the idler gear, and the oil pump timing gear is integrated with a convex key.

[0006] The air compressor unit comprises an air compressor main body, a limiting plate is fixed on the air compressor main body, a shift fork handle is installed on the limiting plate, and a concave key is further arranged on the air compressor main body.

[0007] As a preferred scheme of the novel air compressor drive connection structure, the oil pump main body is fixed on the gear chamber by first bolts, and a semicircular key is arranged on the oil pump main body.

[0008] As a preferred scheme of the novel air compressor drive connection structure, a key groove is formed in the oil pump timing gear, and the key groove is fixed with the semicircular key on the oil pump main body.

[0009] As a preferred scheme of the novel driving connection structure for the air compressor, the crankshaft timing gear is fixed on the crankshaft of the engine in a hot-jacketed manner.

[0010] As a preferred scheme of the novel driving connection structure for the air compressor, the idler gear is fixed on the engine body by means of the idler gear shaft, the pressing plate and the second bolt.

[0011] As a preferred scheme of the novel driving connection structure for the air compressor, the gear chamber cover is further installed on the gear chamber, and the air compressor body is fixed on the gear chamber cover by means of the third bolt.

[0012] In the above technical scheme, the novel driving connection structure for the air compressor has the following beneficial effects: the working of the air compressor can be freely realized, the reliability of the parts is improved, the arrangement space can be optimized, the power transmission is stable and reliable, the unique conical spline transmission is smooth, the idling speed is combined, and the vibration and noise are reduced to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings. Among them:

[0014] Figure 1 It is a front view structural schematic diagram of the novel driving connection structure for the air compressor.

[0015] Figure 2 It is a side view structural schematic diagram of the novel driving connection structure for the air compressor.

[0016] Figure 3 It is a structural schematic diagram of the air compressor body of the novel driving connection structure for the air compressor.

[0017] Figure 4 It is a side view structural schematic diagram of the air compressor body of the novel driving connection structure for the air compressor.

[0018] Figure 5 It is a top view structural schematic diagram of the idler gear of the novel driving connection structure for the air compressor.

[0019] In the figure: 100, gear chamber; 101, crankshaft timing gear; 102, idler gear; 1021, pressing plate; 1022, second bolt; 103, fuel injection pump timing gear; 104, convex key; 105, first bolt; 106, fuel injection pump body; 107, semicircular key; 108, gear chamber cover;

[0020] 200, air compressor unit; 201, air compressor body; 2011, third bolt; 202, limiting plate; 203, yoke handle; 204, concave key. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0024] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] Embodiment 1

[0026] Reference Figures 1-5 For the first embodiment of the present application, a new driving connection structure for air compressor is provided, which comprises:

[0027] Gear chamber 100, gear chamber 100 is installed in the crankshaft timing gear 101, idler gear 102 and fuel injection pump timing gear 103, idler gear 102 is engaged in the surface of the crankshaft timing gear 101, fuel injection pump timing gear 103 is engaged in the surface of the idler gear 102, the convex spline 104 is integrated on the fuel injection pump timing gear 103, during use, the engine output power crankshaft timing gear 101 through the idler gear 102 transition drive fuel injection pump timing gear 103, the convex spline 104 is integrated on the fuel injection pump timing gear 103, through the air compressor body 201 with the air compressor handle 203, realize and separate from the air compressor concave spline 204;

[0028] Air compressor unit 200, including air compressor body 201, air compressor body 201 is fixed on the limit plate 202, the limit plate 202 is installed on the handle 203, the air compressor body 201 is also provided with concave spline 204, in the process of use, the limit plate 202 cooperates with the handle 203, through the handle 203, the concave spline 204 of the air compressor body 201 can be controlled to move, realize the combination and separation with the convex spline 104.

[0029] Further, the gear chamber 100 is fixed with the fuel injection pump body 106 by the first bolt 105, the fuel injection pump body 106 is provided with the semicircular key 107, the first bolt 105 is convenient for the installation and fixation of the fuel injection pump body 106, the fuel injection pump body 106 can adjust the fuel injection quantity according to the working state of the engine.

[0030] Further, the key groove is set up on the fuel injection pump timing gear 103, the key groove cooperates with the semicircular key 107 on the fuel injection pump body 106, through the cooperation of the semicircular key 107 and the key groove, the accurate synchronization between the fuel injection pump body 106 and the fuel injection pump timing gear 103 is ensured.

[0031] Further, the crankshaft timing gear 101 is installed and fixed on the crankshaft of the engine in the form of hot sleeve, the engine provides driving force for the crankshaft timing gear 101.

[0032] Further, the idler gear 102 is fixed on the engine body by the idler gear shaft, the pressing plate 1021 and the second bolt 1022, the driving force is transmitted through the idler gear 102, and the second bolt 1022 and the pressing plate 1021 help the idler gear 102 to be installed on the engine body.

[0033] Further, the gear chamber 100 is also installed with the gear chamber cover 108, the air compressor body 201 is fixed on the gear chamber cover 108 by the third bolt 2011, and the third bolt 2011 is convenient for the installation and fixation of the air compressor body 201 and the gear chamber cover 108.

[0034] In use, the engine output power crankshaft timing gear 101 drives the fuel injection pump timing gear 103 through the idler gear 102, improving the stability of power transmission, the fuel injection pump timing gear 103 is integrated with the convex key 104, through the air compressor body 201 limiting plate 202 and the yoke handle 203, through the yoke handle 203, the concave key 204 of the air compressor body 201 can be controlled to move, and then the combination and separation with the convex key 104 are realized, so that the working of the air compressor body 201 is freely realized or not.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A novel drive connection structure for an air compressor, characterized by: Comprising, Gear room (100), the gear room (100) is installed with crankshaft timing gear (101), idler gear (102) and fuel injection pump timing gear (103), the idler gear (102) is engaged in the surface of crankshaft timing gear (101), the fuel injection pump timing gear (103) is engaged in the surface of idler gear (102), the fuel injection pump timing gear (103) is integrated with convex key (104); Air compressor unit (200) comprising air compressor body (201), the air compressor body (201) is fixed with limit plate (202), the limit plate (202) is installed with fork handle (203), the air compressor body (201) is also provided with concave key (204).

2. The novel drive connection structure for an air compressor as claimed in claim 1, wherein: The gear room (100) is fixed with fuel injection pump body (106) by first bolt (105), the fuel injection pump body (106) is provided with semicircular key (107).

3. The novel drive connection structure for an air compressor as claimed in claim 2, wherein: The fuel injection pump timing gear (103) is provided with key groove, and the key groove is matched with the semicircular key (107) on the fuel injection pump body (106).

4. The novel drive connection structure for an air compressor as claimed in claim 1, wherein: The crankshaft timing gear (101) is installed and fixed on the crankshaft of the engine by hot jacket.

5. The novel drive connection structure for an air compressor as claimed in claim 1, wherein: The idler gear (102) is fixed on the engine body by idler gear shaft, pressing plate (1021) and second bolt (1022).

6. The novel drive connection structure for an air compressor as claimed in claim 1, wherein: The gear room (100) is also installed with gear room cover (108), and the air compressor body (201) is fixed on the gear room cover (108) by third bolt (2011).

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