Idle speed adjusting device for diesel engine and diesel engine

Abstract

The utility model belongs to the technical field of diesel engines, and particularly relates to an idle speed adjusting device for a diesel engine and the diesel engine. The idle speed adjusting device for the diesel engine comprises a fixing assembly, a sleeve assembly and a connecting assembly; the fixing assembly is installed on a diesel engine body, the sleeve assembly penetrates through the fixing assembly and extends into the diesel engine, the sleeve assembly and the fixing assembly are limited and movably assembled, and the connecting assembly is movably installed in the sleeve assembly and connected with a speed regulation shifting fork of the diesel engine. The sleeve assembly is suitable for moving relative to the fixing assembly and adjusting the initial position of the speed adjusting shifting fork, and the speed adjusting shifting fork is suitable for abutting against the connecting assembly to swing. The sleeving assembly is installed on the machine body through the fixing assembly, meanwhile, the sleeve assembly is matched with the connecting assembly to be connected with the speed regulation shifting fork, the sleeve assembly moves relative to the fixing assembly, then the speed regulation shifting fork is located at different initial positions, and the idle speed regulation function of the diesel engine is achieved. And the speed regulation shifting fork can normally swing through the connecting assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of diesel engines, and in particular relates to an idle speed regulating device for a diesel engine and a diesel engine. Background Art

[0002] A throttle speed regulating mechanism is installed inside a single-cylinder water-cooled diesel engine. The throttle speed regulating fork is moved by an external lever, and the oil output of the oil pump is controlled by the displacement of the speed regulating fork, thereby controlling the speed of the diesel engine.

[0003] However, the initial position of the throttle speed regulating fork in the traditional throttle speed regulating mechanism is fixed, that is, the idle speed cannot be adjusted. If you want to adjust the idle speed of the diesel engine, you need to disassemble the diesel engine, which is complicated and inefficient.

[0004] Therefore, it is urgent to develop a new idle speed regulating device for diesel engines and a diesel engine to solve the technical problem of how to overcome the difficulty in adjusting the initial position of the speed regulating fork in the traditional diesel engine. Utility Model Content

[0005] The utility model aims to provide an idle speed regulating device for a diesel engine and a diesel engine.

[0006] In order to solve the above technical problems, the utility model provides an idle speed adjustment device for a diesel engine, which comprises: a fixing assembly, a sleeve assembly and a connecting assembly; wherein the fixing assembly is mounted on the body of the diesel engine, the sleeve assembly passes through the fixing assembly and extends into the diesel engine, the sleeve assembly and the fixing assembly are limited and movably assembled, the connecting assembly is movably mounted in the sleeve assembly, and the connecting assembly is connected to a speed regulating fork of the diesel engine; the sleeve assembly is suitable for moving relative to the fixing assembly to adjust the initial position of the speed regulating fork, and the speed regulating fork is suitable for pressing the connecting assembly to swing.

[0007] Specifically, the fixing assembly comprises: a fixing nut; the fixing nut is fixedly mounted on the body of the diesel engine, and the sleeve assembly passes through the fixing nut and extends into the diesel engine.

[0008] Specifically, the sleeve assembly includes: a sleeve member; the sleeve member passes through a fixing nut and extends into the diesel engine, and the sleeve member and the fixing nut are threadedly matched; the connecting assembly is movably installed in the sleeve member; the sleeve member is suitable for moving relative to the fixing nut to drive the connecting assembly to move.

[0009] Specifically, the sleeve assembly comprises: a fixed cover; the fixed cover is located at a pipe opening of the sleeve component to seal the pipe opening.

[0010] Specifically, the connecting assembly includes: a connecting spring, a spring column and a limit spring; one end of the connecting spring is connected to the speed regulating fork, and the other end of the connecting spring is connected to the spring column; the spring column is located in the sleeve; one end of the limit spring abuts against the spring column, and the other end of the limit spring abuts against the fixing cover.

[0011] Specifically, the sleeve assembly further includes: an adjustment cover; the adjustment cover is located at a pipe opening of the sleeve member, and the adjustment cover is threadedly matched with the sleeve member; the adjustment cover is suitable for moving relative to the sleeve member to drive the connection assembly to move.

[0012] Specifically, the connecting assembly includes: a connecting spring, a spring column and a limit spring; one end of the connecting spring is connected to the speed regulating fork, and the other end of the connecting spring is connected to the spring column; the spring column is located in the sleeve; one end of the limit spring abuts against the spring column, and the other end of the limit spring abuts against the adjustment cover.

[0013] On the other hand, the utility model provides a diesel engine, which comprises: a fuselage, a speed regulating fork and an idle speed regulating device for a diesel engine as described above; a fixed component in the idle speed regulating device for a diesel engine is installed on the fuselage, a sleeve component in the idle speed regulating device for a diesel engine passes through the fixed component and extends into the diesel engine, the sleeve component and the fixed component are limited and movably assembled, a connecting component in the idle speed regulating device for a diesel engine is movably installed in the sleeve component, and the connecting component is connected to the speed regulating fork; the sleeve component is suitable for moving relative to the fixed component to adjust the initial position of the speed regulating fork, and the speed regulating fork is suitable for pressing the connecting component to swing.

[0014] The beneficial effect of the utility model is that the utility model installs the set component on the fuselage through the fixing component, and at the same time the sleeve component cooperates with the connecting component to be connected with the speed regulating fork, and the sleeve component is moved relative to the fixing component, so that the speed regulating fork is in different initial positions, thereby realizing the idle speed adjustment function of the diesel engine, and the speed regulating fork can swing normally through the connecting component.

[0015] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by implementing the present invention.

[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural diagram of an idle speed regulating device for a diesel engine provided by an embodiment of the utility model.

[0019] In the figure:

[0020] 1. Fixing nut; 2. Sleeve; 3. Adjusting cover; 4. Connecting spring; 5. Spring column; 6. Limiting spring; 7. Speed ​​regulating fork; 8. Machine body. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1 As shown, at least one embodiment provides an idle speed adjustment device for a diesel engine, comprising: a fixed component, a sleeve component and a connecting component; wherein the fixed component is mounted on a body 8 of the diesel engine, the sleeve component passes through the fixed component and extends into the diesel engine, the sleeve component and the fixed component are limited and movably assembled, the connecting component is movably mounted in the sleeve component, and the connecting component is connected to a speed regulating fork 7 of the diesel engine; the sleeve component is suitable for moving relative to the fixed component to adjust the initial position of the speed regulating fork 7, and the speed regulating fork 7 is suitable for pressing the connecting component to swing.

[0023] In some embodiments, the set assembly is installed on the fuselage 8 through a fixing assembly, and the sleeve assembly cooperates with the connecting assembly to be connected to the speed regulating fork 7, and the sleeve assembly is moved relative to the fixing assembly, so that the speed regulating fork 7 is in different initial positions, thereby realizing the idle speed adjustment function of the diesel engine, and the speed regulating fork 7 can swing normally through the connecting assembly.

[0024] In some embodiments, the fixing assembly includes: a fixing nut 1; the fixing nut 1 is fixedly mounted on the body 8 of the diesel engine, and the sleeve assembly passes through the fixing nut 1 and extends into the diesel engine.

[0025] Specifically, the fixing nut 1 plays the role of installation and adjustment. The fixing nut 1 can install the sleeve assembly on the fuselage 8, and the sleeve assembly can also move relative to the fixing nut 1, thereby adjusting the initial position of the speed regulating fork 7.

[0026] In some embodiments, the sleeve assembly includes: a sleeve member 2; the sleeve member 2 passes through the fixing nut 1 and extends into the diesel engine, and the sleeve member 2 is threadedly matched with the fixing nut 1; the connecting assembly is movably installed in the sleeve member 2; the sleeve member 2 is suitable for moving relative to the fixing nut 1 to drive the connecting assembly to move.

[0027] Specifically, corresponding threaded portions are respectively provided on the inner ring of the fixing nut 1 and the outer wall of the sleeve member 2, and then the sleeve member 2 is screwed to realize the movement of the sleeve member 2 relative to the fixing nut 1, and the fixing nut 1 can fix the sleeve member 2 on the fuselage 8 and limit the movement of the sleeve member 2.

[0028] In some embodiments, the sleeve assembly includes: a fixed cover; the fixed cover is located at a pipe opening of the sleeve member 2 to seal the pipe opening.

[0029] Specifically, the fixed cover plays a sealing role and can also limit the connection assembly.

[0030] In some embodiments, the connecting assembly includes: a connecting spring 4, a spring column 5 and a limit spring 6; one end of the connecting spring 4 is connected to the speed regulating fork 7, and the other end of the connecting spring 4 is connected to the spring 4 column; the spring column 5 is located in the sleeve 2; one end of the limit spring 6 abuts against the spring column 5, and the other end of the limit spring 6 abuts against the fixing cover.

[0031] Specifically, the spring column 5 can move along the length direction of the sleeve member 2, and the sleeve member 2 plays a role in limiting the spring column 5. The connecting spring 4 and the limiting spring 6 have a certain supporting force in the initial state, and can adjust the initial position of the speed regulating fork 7. The speed regulating fork 7 can achieve normal swing by squeezing the connecting spring 4, the spring column 5, and the limiting spring 6, thereby realizing functions such as acceleration and shutdown of the diesel engine.

[0032] In some embodiments, the sleeve assembly further includes: an adjustment cover 3; the adjustment cover 3 is located at a pipe opening of the sleeve member 2, and the adjustment cover 3 is threadedly matched with the sleeve member 2; the adjustment cover 3 is suitable for moving relative to the sleeve member 2 to drive the connection assembly to move.

[0033] Specifically, the adjustment cover 3 not only plays a sealing role, but also can play a role in adjusting the position of the connection component and limiting the connection component.

[0034] In some embodiments, the connecting assembly includes: a connecting spring 4, a spring column 5 and a limit spring 6; one end of the connecting spring 4 is connected to the speed regulating fork 7, and the other end of the connecting spring 4 is connected to the spring 4 column; the spring column 5 is located in the sleeve 2; one end of the limit spring 6 abuts against the spring column 5, and the other end of the limit spring 6 abuts against the adjustment cover 3.

[0035] At least one embodiment provides a diesel engine, which includes: a fuselage 8, a speed regulating fork 7 and an idle speed regulating device for a diesel engine as provided in the above embodiments; a fixed component in the idle speed regulating device for a diesel engine is installed on the fuselage 8, a sleeve component in the idle speed regulating device for a diesel engine passes through the fixed component and extends into the diesel engine, the sleeve component and the fixed component are limited and movably assembled, a connecting component in the idle speed regulating device for a diesel engine is movably installed in the sleeve component, and the connecting component is connected to the speed regulating fork 7; the sleeve component is suitable for moving relative to the fixed component to adjust the initial position of the speed regulating fork 7, and the speed regulating fork 7 is suitable for pressing the connecting component to swing.

[0036] In summary, the utility model installs the set component on the fuselage through the fixing component, and at the same time, the sleeve component cooperates with the connecting component to be connected with the speed regulating fork, and the sleeve component is moved relative to the fixing component, so that the speed regulating fork is in different initial positions, thereby realizing the idle speed adjustment function of the diesel engine, and the speed regulating fork can swing normally through the connecting component.

[0037] All devices (parts without specific structure) selected in this application are universal standard parts or parts known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or conventional experimental methods. In addition, the software programs involved in this application are all prior art, and this application does not involve any improvement to the software programs.

[0038] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0040] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An idle speed regulating device for a diesel engine, characterized in that: include: Fixing components, sleeve components and connection components; in The fixing assembly is mounted on the body of the diesel engine, the sleeve assembly passes through the fixing assembly and extends into the diesel engine, the sleeve assembly and the fixing assembly are limited and movably assembled, the connecting assembly is movably mounted in the sleeve assembly, and the connecting assembly is connected to the speed regulating fork of the diesel engine; The sleeve assembly is suitable for moving relative to the fixed assembly to adjust the initial position of the speed regulating fork, and the speed regulating fork is suitable for pressing the connecting assembly to swing.

2. The idle speed regulating device for a diesel engine according to claim 1, characterized in that: The fixing assembly comprises: a fixing nut; The fixing nut is fixedly mounted on the body of the diesel engine, and the sleeve assembly passes through the fixing nut and extends into the diesel engine.

3. The idle speed regulating device for a diesel engine as claimed in claim 2, characterized in that: The sleeve assembly comprises: a sleeve member; The sleeve member passes through the fixing nut and extends into the diesel engine, and the sleeve member is threadedly matched with the fixing nut; The connecting assembly is movably installed in the sleeve member; The sleeve member is suitable for moving relative to the fixing nut to drive the connecting assembly to move.

4. The idle speed regulating device for a diesel engine as claimed in claim 3, characterized in that: The sleeve assembly includes: a fixed cover; The fixed cover is located at a pipe opening of the sleeve member to seal the pipe opening.

5. The idle speed regulating device for a diesel engine as claimed in claim 4, characterized in that: The connecting assembly comprises: a connecting spring, a spring column and a limit spring; One end of the connecting spring is connected to the speed regulating fork, and the other end of the connecting spring is connected to the spring column; The spring column is located in the sleeve member; One end of the limit spring abuts against the spring column, and the other end of the limit spring abuts against the fixing cover.

6. The idle speed regulating device for a diesel engine as claimed in claim 3, characterized in that: The sleeve assembly also includes: an adjustment cover; The adjusting cover is located at a pipe opening of the sleeve, and the adjusting cover is threadedly matched with the sleeve; The adjustment cover is suitable for moving relative to the sleeve member to drive the connection assembly to move.

7. The idle speed regulating device for a diesel engine as claimed in claim 6, characterized in that: The connecting assembly comprises: a connecting spring, a spring column and a limit spring; One end of the connecting spring is connected to the speed regulating fork, and the other end of the connecting spring is connected to the spring column; The spring column is located in the sleeve member; One end of the limit spring abuts against the spring column, and the other end of the limit spring abuts against the adjustment cover.

8. A diesel engine, characterized in that: include: A body, a speed regulating fork and an idle speed regulating device for a diesel engine as claimed in any one of claims 1 to 7; The fixed component of the idle speed regulating device for a diesel engine is mounted on the fuselage, the sleeve component of the idle speed regulating device for a diesel engine passes through the fixed component and extends into the diesel engine, the sleeve component and the fixed component are limited and movably assembled, the connecting component of the idle speed regulating device for a diesel engine is movably mounted in the sleeve component, and the connecting component is connected to the speed regulating fork; The sleeve assembly is suitable for moving relative to the fixed assembly to adjust the initial position of the speed regulating fork, and the speed regulating fork is suitable for pressing the connecting assembly to swing.

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