CN221074533U - Vacuum unit of diesel engine - Google Patents

Abstract

The utility model relates to the technical field of diesel engines, in particular to a diesel engine vacuum unit. The technical scheme includes that unit body, protective housing, fixed plate and gas sensor, unit body one side outer terminal surface rotates and is connected with the dwang, and unit body one side outer terminal surface intercommunication has the intake pipe, unit body one side outer terminal surface intercommunication has the outlet duct, and the surface of intake pipe and outlet duct has all cup jointed the protective housing, the junction of protective housing and outlet duct and intake duct all embeds and is fixed with the closing plate, the outer terminal surface intercommunication of one side of protective housing has the exhaust tube, and exhaust tube surface threaded connection has the exhaust valve, the inner wall of protective housing is fixed with the planking, and the lower surface activity grafting of planking has the inner panel, the inner wall of protective housing is fixed with the fixed plate, the upper surface activity grafting of fixed plate has the connecting plate, and the spacing groove has been seted up to the upper surface of connecting plate. The utility model can increase the vacuum time and prolong the service life of the unit body.

Description

Vacuum unit of diesel engine

Technical Field

The utility model relates to the technical field of diesel engines, in particular to a diesel engine vacuum unit.

Background

Diesel engines are engines that burn diesel to obtain energy release. The diesel engine has the advantages of large torque and good economical performance. The working process of the diesel engine is the same as that of the gasoline engine, and each working cycle also comprises four strokes of air intake, compression, work doing and exhaust. Diesel engines require the use of vacuum units.

A diesel vacuum pump of CN202125350U is disclosed in the prior art. The vacuum pump (1) is arranged on an oil injection pump gear cover plate (3) of the diesel engine (2) and is driven by the steering pump (5). According to the technical scheme of the utility model, the vacuum pump is arranged on the oil injection pump gear cover plate of the diesel engine and driven by the steering pump, and is closer to the oil taking port of the engine oil duct of the diesel engine, so that the oil pipe of the vacuum pump is simple and convenient to arrange, the high-power vacuum pump is allowed to be arranged at the position, and meanwhile, the steering pump and the vacuum pump are in gear transmission through the transmission sleeve, and the transmission reliability and efficiency are higher.

The vacuum effect of the vacuum unit of the diesel engine at present is poor, the vacuum cannot be kept for a long time after the vacuum unit is used, the vacuum unit is required to work all the time, and the service life of the vacuum unit is shortened.

Disclosure of utility model

The utility model aims to provide a diesel engine vacuum unit to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a diesel engine vacuum unit, includes unit body, protective housing, fixed plate and gas sensor, the outer terminal surface of one side of unit body rotates and is connected with the dwang, and the outer terminal surface intercommunication of one side of unit body has the intake pipe, the outer terminal surface intercommunication of one side of unit body has the outlet duct, and the surface of intake pipe and outlet duct has all cup jointed the protective housing, the inner wall of protective housing is fixed with the planking, and the lower surface activity grafting of planking has the inner panel, the inner wall of protective housing is fixed with the fixed plate.

When the diesel engine vacuum unit in the technical scheme is used, the gas sensor can detect whether the unit body is inside or not, when the gas sensor does not detect gas, the gas sensor transmits signals to the controller, the controller transmits signals to the outer plate and the fixing plate, the outer plate and the fixing plate drive the inner plate and the connecting plate to move under the action of the power device, the inner plate drives the limiting plate to move, the limiting plate is inserted into the limiting groove, the inner plate and the connecting plate are connected together, the inner plate and the connecting plate can seal the inside of the air inlet pipe and the air outlet pipe, the vacuum time can be increased, and the service life of the unit body is prolonged.

Preferably, the sealing plates are embedded and fixed at the joints of the protective box, the air outlet pipe and the air inlet pipe. By arranging the sealing plate, the protection box is convenient to strengthen and seal.

Preferably, the upper surface of the fixing plate is movably inserted with a connecting plate, and the upper surface of the connecting plate is provided with a limit groove. Through setting up connecting plate and spacing groove at the fixed plate upper surface, the inner panel of being convenient for connect.

Preferably, the lower surface of the inner plate is welded with a limiting plate, and the inner plate is inserted into the limiting groove through the limiting plate and fixed with the connecting plate. Through setting up the limiting plate in inside lower surface, the connecting plate of being convenient for.

Preferably, an exhaust pipe is communicated with the outer end face of one side of the protective box, and an exhaust valve is connected to the outer surface of the exhaust pipe in a threaded manner. Through setting up the exhaust tube in protective housing one side, be convenient for bleed.

Preferably, the gas sensor is installed on the inner wall of the unit body, and the controller is installed on the inner wall of the unit body. Through setting up gas sensor and controller at unit body inner wall, be convenient for detect gas.

Preferably, the signal transmitting end of the gas sensor is electrically connected with the signal receiving end of the controller, and the signal transmitting end of the controller is electrically connected with the signal receiving ends of the outer plate and the fixing plate. By means of the electrical connection, the outer plate and the fixing plate can be controlled according to the detection result of the gas sensor.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model achieves the effects of increasing the vacuum time and prolonging the service life of the unit body by arranging the gas sensor, the outer plate and the fixed plate, the gas sensor can detect whether the gas exists in the unit body, when the gas sensor does not detect the gas, the gas sensor transmits signals to the controller, the controller transmits signals to the outer plate and the fixed plate, the outer plate and the fixed plate drive the inner plate and the connecting plate to move under the action of the power device, the inner plate drives the limiting plate to move, the limiting plate is inserted into the limiting groove, the inner plate and the connecting plate are connected, the inner plate and the connecting plate can seal the inside of the air inlet pipe and the air outlet pipe, the vacuum time can be increased, and the service life of the unit body is prolonged.

2. The utility model achieves the effect of being convenient for sealing the protective box by arranging the exhaust pipe, the sealing plate and the rotating rod, the exhaust valve is opened, the protective box is vacuumized by the exhaust pipe, the sealing plate can strengthen the sealing of the protective box, the air inlet pipe and the air outlet pipe, the protective box is convenient to seal, and the vacuum property of the protective box is kept.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present utility model;

FIG. 2 is a schematic view of a partially enlarged structure of the protection box of the present utility model;

FIG. 3 is a schematic diagram of a front view of the present utility model;

Fig. 4 is a schematic electrical structure of the present utility model.

In the figure: 1. a unit body; 2. an air inlet pipe; 3. a rotating lever; 4. a protective box; 5. an air outlet pipe; 6. an outer plate; 7. an inner plate; 8. a limit groove; 9. a limiting plate; 10. a connecting plate; 11. a sealing plate; 12. a fixing plate; 13. an extraction valve; 14. an exhaust pipe; 15. a gas sensor; 16. and a controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 4, an embodiment of the present utility model provides: the utility model provides a diesel engine vacuum unit, including unit body 1, protective housing 4, fixed plate 12 and gas sensor 15, the inner wall of protective housing 4 is fixed with planking 6, and the lower surface activity grafting of planking 6 has inner panel 7, the lower surface welding of inner panel 7 has limiting plate 9, and inner panel 7 is fixed with connecting plate 10 through the inside of limiting groove 8 grafting at limiting plate 9, the inner wall of protective housing 4 is fixed with fixed plate 12, the upper surface activity grafting of fixed plate 12 has connecting plate 10, and limiting groove 8 has been seted up to the upper surface of connecting plate 10, gas sensor 15 is installed to the inner wall of unit body 1, and the inner wall of unit body 1 installs controller 16, the signal transmission part of gas sensor 15 is connected with the signal reception part electricity of controller 16, and the signal transmission part of controller 16 is connected with the signal reception part electricity of planking 6 and fixed plate 12.

Of course, as well known to those skilled in the art, the unit body 1, the outer plate 6, the fixing plate 12, the gas sensor 15 and the controller 16 of the present utility model also need to provide power means to make them work normally, and as well known to those skilled in the art, the power provision is common and common to all of them, and it is not repeated herein, and the person skilled in the art can perform any optional matching according to the needs or convenience thereof.

Based on a diesel engine vacuum unit of embodiment 1, gas sensor 15 can detect whether inside the unit body 1 has gas, when gas sensor 15 did not detect gas, gas sensor 15 transmitted signal gives controller 16, controller 16 transmitted signal gives planking 6 and fixed plate 12, planking 6 and fixed plate 12 drive inner panel 7 and connecting plate 10 under power device's effect remove, inner panel 7 drives limiting plate 9 and removes, peg graft limiting plate 9 in the inside of spacing groove 8, link together inner panel 7 and connecting plate 10, inner panel 7 and connecting plate 10 can seal intake pipe 2 and outlet duct 5 inside, can increase the vacuum time, the life of unit body 1 is prolonged.

Example two

As shown in fig. 1-4, compared with the first embodiment, the vacuum unit for a diesel engine provided by the utility model further comprises a unit body 1, a protective box 4, a fixing plate 12 and a gas sensor 15, wherein the outer end face of one side of the unit body 1 is rotationally connected with a rotating rod 3, the outer end face of one side of the unit body 1 is communicated with an air inlet pipe 2, the outer end face of one side of the unit body 1 is communicated with an air outlet pipe 5, the outer surfaces of the air inlet pipe 2 and the air outlet pipe 5 are sleeved with the protective box 4, sealing plates 11 are embedded and fixed at the joints of the protective box 4, the air outlet pipe 5 and the air inlet pipe 2, the outer end face of one side of the protective box 4 is communicated with an air exhaust pipe 14, and the outer surface of the air exhaust pipe 14 is in threaded connection with an air exhaust valve 13.

In this embodiment, the exhaust valve 13 is opened, the protective box 4 is vacuumized through the exhaust pipe 14, the sealing plate 11 can strengthen sealing of the protective box 4, the air inlet pipe 2 and the air outlet pipe 5, the protective box 4 is convenient to seal, and the vacuum property of the protective box 4 is kept.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a diesel engine vacuum unit, includes unit body (1), protective housing (4), fixed plate (12) and gas sensor (15), its characterized in that: the utility model discloses a motor unit, including unit body (1), outer terminal surface, inner panel (12) and fixed plate, the outer terminal surface of one side of unit body (1) rotates and is connected with dwang (3), and the outer terminal surface intercommunication of one side of unit body (1) has intake pipe (2), the outer terminal surface intercommunication of one side of unit body (1) has outlet duct (5), and the surface of intake pipe (2) and outlet duct (5) has all cup jointed protective housing (4), the inner wall of protective housing (4) is fixed with planking (6), and the lower surface activity grafting of planking (6) has inner panel (7), the inner wall of protective housing (4) is fixed with fixed plate (12).

2. A diesel engine vacuum unit as claimed in claim 1, wherein: the sealing plates (11) are embedded and fixed at the joints of the protective box (4), the air outlet pipe (5) and the air inlet pipe (2).

3. A diesel engine vacuum unit as claimed in claim 1, wherein: the upper surface of fixed plate (12) activity grafting has connecting plate (10), and limit groove (8) have been seted up to the upper surface of connecting plate (10).

4. A diesel engine vacuum unit as claimed in claim 1, wherein: the lower surface welding of inner panel (7) has limiting plate (9), and inner panel (7) are pegged graft in the inside of spacing groove (8) and are fixed with connecting plate (10) through limiting plate (9).

5. A diesel engine vacuum unit as claimed in claim 1, wherein: an exhaust pipe (14) is communicated with the outer end face of one side of the protective box (4), and an exhaust valve (13) is connected to the outer surface of the exhaust pipe (14) in a threaded mode.

6. A diesel engine vacuum unit as claimed in claim 1, wherein: the gas sensor (15) is installed on the inner wall of the unit body (1), and the controller (16) is installed on the inner wall of the unit body (1).

7. A diesel engine vacuum unit as claimed in claim 1, wherein: the signal transmitting end of the gas sensor (15) is electrically connected with the signal receiving end of the controller (16), and the signal transmitting end of the controller (16) is electrically connected with the signal receiving ends of the outer plate (6) and the fixed plate (12).