CN208486954U - A kind of engine housing that engine cylinder number is variable - Google Patents

Abstract

The utility model discloses the engine housings that a kind of engine cylinder number can be changed, including the cabinet for containing engine and for the top plate of cabinet composition, two groups of side plates and bottom plate, the inside of the top plate offers multiple groups gear delivery outlet, and the internal activity of multiple groups gear delivery outlet is equipped with gear, the inside of side plate described in two groups offers multiple groups cylinder mounting holes, and cylinder is connected through a screw thread on the outside of cylinder mounting holes, the inside of the bottom plate offers valve port while, the both ends of the cabinet are provided with anticreep connecting plate, and connecting hole is offered at the inside center of anticreep connecting plate, one end of the anticreep connecting plate, which is run through, is connected with crankshaft-link rod.A kind of variable engine housing of engine cylinder number described in the utility model, the overall processing process of cabinet can be facilitated, while facilitating assembly, and the cylinder number of engine can be changed according to the different demands of user of service, it is more convenient, bring better prospect of the application.

Description

A kind of engine housing that engine cylinder number is variable

Technical field

The utility model relates to engine manufacturing field, in particular to the variable engine housing of a kind of engine cylinder number.

Background technique

Engine is otherwise known as engine, be it is a kind of can be a form of machine that can be converted into another more useful energy Device is widely used in locomotive, ship and aircraft etc..Engine housing be constitute engine skeleton, be each mechanism of engine and The installation foundation of system, the inside and outside all major parts and attachment for being installed with engine, bears various load, therefore start Box body must have enough strength and stiffness；There are certain drawbacks in existing engine housing, firstly, hair when in use Motivation cabinet almost all uses cast iron or aluminium alloy casting and forming bar none.Not according to the structure type of engine housing Together, monoblock type cabinet and separating box can be divided into, the former is monoblock cast, overall processing, and processing is more difficult, but assembly precision Higher, the latter can process respectively, easy to process and assembly, but increase the workload of assembly.Whether monoblock type cabinet or Separating box, there are still complex-shaped, wall it is thin and uneven, internal in chamber shape, that working position is more, difficulty of processing is big etc. is main Feature, since the processing quality of engine housing will directly affect the precision, performance and service life of machine or component, so engine Cabinet is very high to requirement on machining accuracy, and correspondingly, the processing cost of engine housing is also very high, in addition, current engine case Once the cylinder number of body machine-shaping, engine determines that, it cannot achieve the increase and decrease of cylinder number, also just cannot achieve engine power Variation, when needing increase or less cylinder number, it is necessary to redesign, be opened and cast processing engine housing, design iterations add Expenses of labour operates more troublesome with relatively high, certain influence is brought to the use process of people, for this purpose, it is proposed that a kind of The variable engine housing of engine cylinder number.

Utility model content

The main purpose of the utility model is to provide the engine housings that a kind of engine cylinder number can be changed, and can effectively solve Certainly the problems in background technique.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of engine housing that engine cylinder number is variable including the cabinet for containing engine and is used for cabinet group At top plate, two groups of side plates and bottom plate, the inside of the top plate offers multiple groups gear delivery outlet, and multiple groups gear delivery outlet Internal activity is equipped with gear, and the inside of side plate described in two groups offers multiple groups cylinder mounting holes, and the outside of cylinder mounting holes It has been connected through a screw thread cylinder, the inside of the bottom plate offers valve port while, and the both ends of the cabinet are provided with anticreep connecting plate, And connecting hole is offered at the inside center of anticreep connecting plate, one end of the anticreep connecting plate, which is run through, is connected with crankshaft-link rod, And one end of crankshaft-link rod is connected with attachment base, the inside of the cabinet is equipped with the first crankshaft cheek and the second crankshaft cheek, and Two crankshaft cheeks are located at the side of the first crankshaft cheek, and first crankshaft cheek is respectively connected with the upper and lower ends of the second crankshaft cheek to be connect Sliding block, and run through at the inside center of the first crankshaft cheek and the second crankshaft cheek and offer oil sealing hole.

Preferably, by the sliding block of its upper and lower ends, top plate and bottom plate are slidably connected side plate described in two groups respectively, enclose jointly Rectangular cabinet.

Preferably, the quantity of the anticreep connecting plate be two groups, anticreep connecting plate described in two groups respectively with the both ends of cabinet It is fixedly connected.

Preferably, the gear delivery outlet is equal with the quantity of valve port while, and the quantity of gear delivery outlet and valve port while is equal Less than one group of cylinder mounting holes.

Preferably, the inside of the cabinet is equipped with crank link mechanism, and one end of crank link mechanism and crankshaft Connecting rod is fixedly connected.

Compared with prior art, the utility model has the following beneficial effects: the engine case that the engine cylinder number can be changed Body, in the process used, the first crankshaft cheek and the second crankshaft cheek will be by top plate, two groups of side plates and bottom plate groups along cabinet length direction At body structure be divided at least one work chamber, each work chamber is correspondingly arranged a cylinder mounting holes or opposed distribution Two cylinder mounting holes, each work chamber is correspondingly arranged a valve port while, engine cylinder number it is variable, it can be achieved that it is high-power, The manufacture of the engine of light weight, also, cylinder can be opposed, substantially reduces the vibration of engine at work, turns engine Speed is greatly improved, and reduces operating noise；The manufacture problem of more two stroke engines can be solved simultaneously, on the other hand, by pushing up Plate, two groups of side plates and bottom plate composition cabinet it is more convenient in process, and repair dismounting it is fairly simple, entirely start The variable engine housing structure of machine cylinder number is simple, and easy to operate, the effect used is more preferable relative to traditional approach.

Detailed description of the invention

Fig. 1 is the overall structure diagram for the engine housing that a kind of engine cylinder number of the utility model can be changed.

Fig. 2 is the schematic diagram for the engine housing that a kind of engine cylinder number of the utility model can be changed.

Fig. 3 is the internal structure chart for the engine housing that a kind of engine cylinder number of the utility model can be changed.

In figure: 1, cabinet；2, top plate；3, side plate；4, bottom plate；5, gear delivery outlet；6, gear；7, cylinder mounting holes；8, Cylinder；9, valve port while；10, anticreep connecting plate；11, connecting hole；12, crankshaft-link rod；13, attachment base；14, the first crankshaft cheek；15, Second crankshaft cheek；16, connection sliding block；17, oil sealing hole.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figure 1-3, the engine housing that a kind of engine cylinder number is variable, including the cabinet 1 for containing engine And for cabinet 1 form 2, two groups of side plates 3 of top plate and bottom plate 4, the inside of top plate 2 offer multiple groups gear delivery outlet 5, and The internal activity of multiple groups gear delivery outlet 5 is equipped with gear 6, and the inside of two groups of side plates 3 offers multiple groups cylinder mounting holes 7, and The outside of cylinder mounting holes 7 has been connected through a screw thread cylinder 8, and the inside of bottom plate 4 offers valve port while 9, the both ends setting of cabinet 1 There is anticreep connecting plate 10, and offer connecting hole 11 at the inside center of anticreep connecting plate 10, one end of anticreep connecting plate 10 is passed through It wears and is connected with crankshaft-link rod 12, and one end of crankshaft-link rod 12 is connected with attachment base 13, the inside of cabinet 1 is equipped with the first crankshaft Plate 14 and the second crankshaft cheek 15, and the second crankshaft cheek 15 is located at the side of the first crankshaft cheek 14, the first crankshaft cheek 14 and second is bent The upper and lower ends of axillare 15 are respectively connected with connection sliding block 16, and the first crankshaft cheek 14 with it is equal at the inside center of the second crankshaft cheek 15 Through offering oil sealing hole 17.

Preferably, top plate 2 and bottom plate 4 are slidably connected respectively by the sliding block of its upper and lower ends for two groups of side plates 3, surround jointly The cabinet 1 of rectangle, by mutual sliding relation, easy disassembly process.

Preferably, the quantity of anticreep connecting plate 10 is two groups, and both ends of two groups of anticreep connecting plates 10 respectively with cabinet 1 are fixed Connection.

Preferably, gear delivery outlet 5 is equal with the quantity of valve port while 9, and gear delivery outlet 5 and the quantity of valve port while 9 are equal Less than 7 one groups of cylinder mounting holes.

Preferably, the inside of cabinet 1 is equipped with crank link mechanism, and one end of crank link mechanism and crankshaft-link rod 12 are fixedly connected.

It should be noted that the utility model is the engine housing that a kind of engine cylinder number can be changed, it is when in use, first First, assembly is carried out according to shape shown in Fig. 2 by 2, two groups of side plates 3 of top plate and bottom plate 4, is allowed to surround the cabinet 1 of a rectangle, Crank link mechanism is installed in the inside of cabinet 1 simultaneously, and is fixed at its both ends by anticreep connecting plate 10, it is same with this When, during use, the first crankshaft cheek 14 and the second crankshaft cheek 15 will be by 2, two groups of side plates of top plate along 1 length direction of cabinet 3 and 1 structure of cabinet that forms of bottom plate 4 be divided at least one work chamber, each work chamber is correspondingly arranged a cylinder installation Two cylinder mounting holes 7 of hole 7 or opposed distribution, each work chamber are correspondingly arranged a valve port while 9, and engine cylinder number can Become the manufacture, it can be achieved that high-power, light weight engine, also, cylinder 8 can be opposed, substantially reduces engine at work Vibration, so that engine speed is greatly improved, reduce operating noise；The manufacture that can solve more two stroke engines simultaneously is difficult Topic, on the other hand, the cabinet 1 being made of 2, two groups of side plates 3 of top plate and bottom plate 4 is more convenient in process, and repairs It dismounts fairly simple, prevents it from falling off what is used, it is more practical.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of variable engine housing of engine cylinder number including the cabinet (1) for containing engine and is used for cabinet (1) top plate (2), two groups of side plates (3) and the bottom plate (4) formed, it is characterised in that: the inside of the top plate (2) offers multiple groups Gear delivery outlet (5), and the internal activity of multiple groups gear delivery outlet (5) is equipped with gear (6), side plate described in two groups (3) it is interior Portion offers multiple groups cylinder mounting holes (7), and cylinder (8), the bottom plate have been connected through a screw thread on the outside of cylinder mounting holes (7) (4) inside offers valve port while (9), and the both ends of the cabinet (1) are provided with anticreep connecting plate (10), and anticreep connecting plate (10) it is offered inside center connecting hole (11), one end of the anticreep connecting plate (10), which is run through, is connected with crankshaft-link rod (12), and one end of crankshaft-link rod (12) is connected with attachment base (13), and the inside of the cabinet (1) is equipped with the first crankshaft cheek (14) with the second crankshaft cheek (15), and the second crankshaft cheek (15) is located at the side of the first crankshaft cheek (14), first crankshaft cheek (14) it is respectively connected with connection sliding block (16) with the upper and lower ends of the second crankshaft cheek (15), and the first crankshaft cheek (14) and the second crankshaft Run through at the inside center of plate (15) and offers oil sealing hole (17).

2. a kind of variable engine housing of engine cylinder number according to claim 1, it is characterised in that: side described in two groups Plate (3) is slidably connected by sliding block difference top plate (2) and bottom plate (4) of its upper and lower ends, surrounds the cabinet (1) of rectangle jointly.

3. a kind of variable engine housing of engine cylinder number according to claim 1, it is characterised in that: the anticreep connects The quantity of fishplate bar (10) is two groups, and anticreep connecting plate (10) described in two groups is fixedly connected with the both ends of cabinet (1) respectively.

4. a kind of variable engine housing of engine cylinder number according to claim 1, it is characterised in that: the gear is defeated Portalling, (5) are equal with the quantity of valve port while (9), and the quantity of gear delivery outlet (5) and valve port while (9) is less than cylinder mounting holes (7) one groups.

5. a kind of variable engine housing of engine cylinder number according to claim 1, it is characterised in that: the cabinet (1) inside is equipped with crank link mechanism, and one end of crank link mechanism is fixedly connected with crankshaft-link rod (12).