CN216895450U - Separable air compressor clutch structure for engine - Google Patents

Abstract

A separable air compressor clutching structure for an engine, comprising: the clutch device comprises a clutch handle, a shifting lever, an index plate, a shifting fork shaft, a shifting fork, a cylindrical pin, a fastening bolt, an involute joint sleeve, a clutch spring, a crankcase and a crankshaft; the clutch handle and one end of the shifting lever are arranged on the crankcase through the dividing plate, the other end of the shifting lever is connected with the shifting fork shaft through the cylindrical pin, the shifting fork shaft is connected with the shifting fork through the fastening bolt, the clutch spring is sleeved on the outer circular surface of the crankshaft and is in contact with the rear end face of the involute joint sleeve, and the involute joint sleeve is matched with the outer spline of the crankshaft through the inner spline. The utility model has compact structure, convenient installation and maintenance and safe and reliable use. Under the condition that the crankshaft of the air compressor is not rotated, the clutch of the air compressor can be realized by directly stirring the handle, the fuel consumption of an engine is reduced, the emission of the engine is reduced, the abrasion of parts is reduced, and the service life of the air compressor is prolonged.

Description

Separable air compressor clutch structure for engine

Technical Field

The utility model belongs to the field of internal combustion engines, relates to an air compressor for an engine matched with a tractor, and particularly relates to a separable air compressor clutch structure for the engine.

Background

As is known, in an engine fitted to a tractor, an air compressor is an indispensable configuration. Most of the engines and air compressors matched with tractors produced by large tractor manufacturing enterprises in China are of inseparable structures. That is, even if the tractor does not use the air brake system, the gear of the air compressor still rotates at high speed along with the gear of the engine, which undoubtedly brings unnecessary economic loss to the engine, accelerates the wear of parts, increases the fuel consumption of the engine, increases the emission of the engine, and reduces the actual service life of the air compressor. Meanwhile, even if the unloading valve in the pipeline gas path of the air braking system is not used, the air compressor can generate air injection noise to influence the physical feeling of a driver.

Manual shifting fork type separable air compressors in the prior art are all of a crosshead shoe structure. If the air compressor needs to be clutched, the engine is required to be stopped, then the blockage at the rear end of the air compressor is removed, the clutch handle is pulled out, the crankshaft is rotated from the rear end of the air compressor through the wrench, the clutch handle is slowly pulled to the other end of the dividing plate, and the handle cannot be directly pulled to realize clutching of the air compressor.

The utility model discloses a "engine air compressor of improved structure" that national intellectual property office 2016 granted 04 month 27 days, the application date is: 2015.11.20, application number: 2015209296059, the notice number is: CN 205190175U; disclosed is an improved structure of an engine air compressor, which is a reciprocating piston type air compressor and comprises: the piston, a connecting rod and a crank which drive the piston to move, and a driving shaft which drives the crank to rotate. The driving shaft is arranged in a bottom shell of the air compressor, and a separation mechanism and a control mechanism are arranged on the driving shaft; the separating mechanism comprises a spring and a sliding sleeve, and the spring and the sliding sleeve are sleeved on the driving shaft in a matching manner; the control mechanism comprises a handle, a shifting fork and a bracket, the shifting fork is arranged on the sliding sleeve, the shifting fork rotates through the handle to enable the sliding sleeve to move inwards, and transmission between the air compressor and the connecting disc is disconnected. The utility model discloses a set up operating device and separating mechanism, through operating device and separating mechanism side disconnectable connection pad and air compressor's power take off.

Therefore, in practical work and experiments, a separable air compressor clutch structure for an engine is developed, and the problems can be conveniently and effectively solved without the rotation of a crankshaft of the air compressor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a separable air compressor clutch structure for an engine, which has the advantages of compact structure, convenience in operation, safety and reliability in use, and aims to realize the clutch of an air compressor under the condition of not rotating a crankshaft of the air compressor.

In order to achieve the purpose, the utility model adopts the technical scheme that: a separable air compressor clutching structure for an engine, comprising: the clutch device comprises a clutch handle, a shifting lever, an index plate, a shifting fork shaft, a shifting fork, a cylindrical pin, a fastening bolt, an involute joint sleeve, a clutch spring, a crankcase and a crankshaft; the clutch handle and one end of the shifting lever are arranged on the crankcase through the dividing plate, the other end of the shifting lever is connected with the shifting fork shaft through the cylindrical pin, the shifting fork shaft is connected with the shifting fork through the fastening bolt, the clutch spring is sleeved on the outer circular surface of the crankshaft and is in contact with the rear end face of the involute joint sleeve, and the involute joint sleeve is matched with the outer spline of the crankshaft through the inner spline.

The indexing plate is provided with two limiting round holes, and the two limiting round holes are arranged in an arc line by taking the shifting fork shaft as a circle center.

The involute joint sleeve is provided with a ring groove, one end of the shifting fork is connected with the shifting fork shaft, and the other end of the shifting fork is inserted into the ring groove of the involute joint sleeve. .

The involute joint sleeve comprises an involute joint sleeve inner wall and an involute joint sleeve outer wall, involute splines are uniformly distributed on the involute joint sleeve inner wall, and a front limiting boss and a rear limiting boss are arranged on the involute joint sleeve outer wall.

Involute splines are uniformly distributed on the inner wall of the involute joint sleeve, and the involute splines and the involute joint sleeve are integrally manufactured.

The involute joint sleeve is characterized in that a front limiting boss and a rear limiting boss are arranged on the outer wall of the involute joint sleeve, and the front limiting boss and the rear limiting boss are arranged in the middle of the outer wall of the involute joint sleeve at intervals to form a ring groove.

The utility model adopts the technical scheme to obtain the beneficial effects that: the utility model has compact structure, convenient installation and maintenance and safe and reliable use. Under the condition that the crankshaft of the air compressor is not rotated, the clutch of the air compressor can be realized by directly stirring the handle, the fuel consumption of an engine is reduced, the emission of the engine is reduced, the abrasion of parts is reduced, and the service life of the air compressor is prolonged.

Drawings

FIG. 1 is a schematic cross-sectional view of a detachable air compressor clutching structure for an engine according to the present invention;

FIG. 2 is a schematic left side view partially in section of the structure of FIG. 1;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 2 in the direction A;

FIG. 5 is a schematic view of an involute joint sleeve structure of a clutch structure of a separable air compressor for an engine according to the present invention.

Reference numerals: 1. the clutch comprises a clutch handle, a driving lever, a dividing plate, a fork shaft, a shifting fork, a cylindrical pin, a fastening bolt, an involute joint sleeve, a clutch spring, a crankcase and a crankshaft, wherein the clutch handle is 2, the shifting lever is 3, the dividing plate is 4, the shifting fork shaft is 5, the shifting fork is 6, the cylindrical pin is 7, the fastening bolt is 7, the involute joint sleeve is 8, the clutch spring is 9, the crankcase is 10, and the crankshaft is 11;

8-1 of the inner wall of the involute joint sleeve, 8-2 of the involute spline, 8-3 of the outer wall of the involute joint sleeve, 8-4 of the front limiting boss and 8-5 of the rear limiting boss.

Detailed Description

The present invention is described in detail below with reference to the drawings and examples, but it should be understood that the scope of the present invention is not limited by the embodiments.

As shown in fig. 1 to 5, a separable air compressor clutch structure for an engine includes: the clutch comprises a clutch handle 1, a shift lever 2, an index plate 3, a shift fork shaft 4, a shift fork 5, a cylindrical pin 6, a fastening bolt 7, an involute joint sleeve 8, a clutch spring 9, a crankcase 10 and a crankshaft 11.

One end of a clutch handle 1 and one end of a shifting lever 2 are arranged on a crank case 10 through an indexing plate 3, the other end of the shifting lever 2 is connected with a shifting fork shaft 4 through a cylindrical pin 6, the shifting fork shaft 4 is connected with a shifting fork 5 through a fastening bolt 7, and the other end of the shifting fork 5 is inserted into an annular groove formed in an involute joint sleeve 8.

The involute joint sleeve 8 is provided with an involute joint sleeve inner wall 8-1 and an involute joint sleeve outer wall 8-3; an involute spline 8-2 is processed in an inner wall 8-1 of the involute joint sleeve, the involute spline and the involute joint sleeve are integrally manufactured, and a front limiting boss 8-4 and a rear limiting boss 8-5 are arranged on an outer wall 8-3 of the involute joint sleeve 8.

The involute joint sleeve 8 is matched and connected with the shifting fork 5, a front limiting boss 8-4 and a rear limiting boss 8-5 are arranged on the involute joint sleeve outer wall 8-3 of the involute joint sleeve 8 and are arranged at intervals, and a ring groove is formed in the middle. One end of the shifting fork 5 is inserted into the ring groove of the involute joint sleeve 8; the involute joint sleeve 8 and the clutch spring 9 are assembled, the clutch spring 9 is sleeved on the outer circular surface of the crankshaft 11 and is in contact with the rear end face of the involute joint sleeve 8, and the involute joint sleeve 8 is matched with an external spline of the crankshaft 11 through an internal spline. .

The back end surface of the back limit boss 8-5 of the involute engaging sleeve 8 is connected with a clutch spring 9. The state shown in the figure is the state when the air compressor is jointed, at this time, the involute joint sleeve 8 of the air compressor is connected with the engine through the connecting mechanism, and the air compressor runs and inflates. When the connection is required to be disconnected, the clutch handle 1 is pulled out from the limit round hole 3-1 of the dividing plate 3, and the clutch handle 1 is slowly rotated to the other limit round hole 3-1. Thus, the connection and disconnection of the air compressor and the engine can be realized through the involute joint sleeve 8.

The utility model has compact structure, convenient operation and safe and reliable use, and effectively realizes the on-off of the air compressor under the condition of not rotating the crankshaft of the air compressor.

In practice, the utility model is not limited to the embodiments described in the embodiments, and all technical solutions and modifications that do not depart from the essence of the utility model should fall within the scope of the claims of the utility model.

Claims (6)

1. A separable air compressor clutching structure for an engine, comprising: the clutch comprises a clutch handle (1), a shifting lever (2), a dividing plate (3), a shifting fork shaft (4), a shifting fork (5), a cylindrical pin (6), a fastening bolt (7), an involute joint sleeve (8), a clutch spring (9), a crankcase (10) and a crankshaft (11); the method is characterized in that: clutch handle (1) and driving lever (2) one end are passed through dividing plate (3) and are installed on crankcase (10), the driving lever (2) other end passes through cylindric lock (6) and is connected with declutch shift shaft (4), declutch shift shaft (4) are connected through holding bolt (7) with shift fork (5), clutch spring (9) suit is on the excircle face of bent axle (11), and with the rear end face contact of the clutch collar (8) of gradually bursting at the seams, the clutch collar (8) of gradually bursting at the seams passes through the external splines cooperation of internal spline with bent axle (11).

2. The separable air compressor clutching structure for an engine of claim 1, wherein: the indexing plate (3) is provided with two limiting round holes (3-1), and the two limiting round holes (3-1) are arranged in an arc line by taking the shifting fork shaft (4) as a circle center.

3. The separable air compressor clutching structure for an engine of claim 1, wherein: the involute joint sleeve (8) is provided with a ring groove, one end of the shifting fork (5) is connected with the shifting fork shaft (4), and the other end of the shifting fork (5) is inserted into the ring groove of the involute joint sleeve (8).

4. The separable air compressor clutching structure for an engine of claim 1, wherein: the involute joint sleeve (8) comprises an involute joint sleeve inner wall (8-1) and an involute joint sleeve outer wall (8-3), involute splines (8-2) are uniformly distributed on the involute joint sleeve inner wall (8-1), and a front limiting boss (8-4) and a rear limiting boss (8-5) are arranged on the involute joint sleeve outer wall (8-3).

5. The separable air compressor clutching structure for an engine of claim 4, wherein: involute splines (8-2) are uniformly distributed on the inner wall (8-1) of the involute joint sleeve, and the involute splines and the involute joint sleeve are integrally manufactured.

6. The separable air compressor clutching structure for an engine of claim 4, wherein: the involute joint sleeve comprises a front limiting boss (8-4) and a rear limiting boss (8-5) which are arranged on an involute joint sleeve outer wall (8-3) of the involute joint sleeve (8), and annular grooves are formed in the middle of the involute joint sleeve outer wall (8-3) at intervals.

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