CN210599203U - Novel natural gas engine cylinder cover - Google Patents

Abstract

The utility model relates to an engine accessories technical field just discloses a novel natural gas engine cylinder lid, including engine cylinder lid, irregular recess one and dovetail groove have been seted up respectively to engine cylinder lid positive bottom and both sides, the upper and lower both ends in bottom and dovetail groove of engine cylinder lid both sides have seted up the semicircular notch respectively, engine cylinder lid's fixedly connected with sealing strip one all around, and the surface difference fixedly connected with sealing strip two of irregular recess one and dovetail groove. This novel natural gas engine cylinder lid through all adopting the design of sealing strip around dovetail groove, irregular recess and engine cylinder lid for the engine cylinder lid is after the fixing through the bolt, and two sealing strips can make and closely laminate between cylinder lid and the engine, reach sealed effect, have not only avoided appearing the gap between cylinder lid and the engine, thereby also can prevent thereby entering into engine influence normal work such as external dust.

Description

Novel natural gas engine cylinder cover

Technical Field

The utility model relates to an engine accessories technical field specifically is a novel natural gas engine cylinder lid.

Background

The engine of the automobile is a main source for providing power support for the automobile, and is equivalent to the action of the heart in the human body, and the importance of the engine is obviously directly determined by the quality of the engine, the power performance, the economy, the stability and the environmental protection of the automobile, the cylinder cover is also called an engine cylinder cover and is a component for sealing the engine cover, and the improvement of the engine cylinder cover in the treatment of common faults of the automobile engine is gradually an important part to be researched.

The prior engine is frequently damaged differently due to different operation habits of drivers in use, and the main problems of the prior engine are as follows: when the engine cylinder cover and the engine do not achieve a closed effect, the engine works in a long-time overload state and the engine is subjected to strong vibration and collision, a gap can be caused between the engine and the engine cylinder cover, so that the air inflow of the engine is leaked, the automobile has the condition of insufficient power, the engine can even stop working, and the cylinder cover assembly can only be replaced when the traditional engine cylinder cover is damaged, so that the novel natural gas engine cylinder cover is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel natural gas engine cylinder lid possesses fixed inseparable advantage between cylinder cap and the engine, has solved the problem that the gap leads to engine fault appears between engine cylinder cap and the engine easily.

The utility model provides a following technical scheme: a novel natural gas engine cylinder cover comprises an engine cylinder cover, wherein the bottom and two sides of the front surface of the engine cylinder cover are respectively provided with a first irregular groove and a trapezoidal groove, the bottom of the two sides of the engine cylinder cover and the upper and lower ends of the trapezoidal groove are respectively provided with a semicircular notch, the periphery of the engine cylinder cover is fixedly connected with a first sealing strip, the surfaces of the first irregular groove and the trapezoidal groove are respectively fixedly connected with a second sealing strip, the front surface of the engine cylinder cover is provided with fixing bolt holes positioned at the upper and lower ends of the trapezoidal grooves at the two sides, the fixing bolt holes are fixedly connected with rubber rings in a sleeved mode, the two sides of the upper part of the engine cylinder cover are respectively provided with a transmission shaft hole, the transmission shaft hole at the right side is positioned in the middle of the second irregular, the engine cylinder cover is provided with rocker arm shaft grooves located on two sides of the positioning hole I, the upper portions of the two rocker arm shaft grooves are mounted at one end of the connecting ring, the other end of the connecting ring extends to the back face of the engine cylinder cover, the two sides below the back face of the engine cylinder cover are respectively provided with the cam shaft grooves, and the back face of the engine cylinder cover is irregularly provided with the positioning hole I, the positioning hole II and the fixing bolt holes.

Preferably, the number of the rocker arm shaft grooves is two, the right rocker arm shaft groove is smaller than the left rocker arm shaft groove, and one side and the top surface of the two rocker arm shaft grooves, which are close to the fixing bolt holes, are respectively matched with the rocker arm shafts.

Preferably, the first sealing strip protrudes by 1cm upwards on the front surface of the engine cylinder cover, and the protruding distance values of the first irregular groove and the second sealing strip on the trapezoidal groove are equal to the protruding distance value of the engine cylinder cover.

Preferably, the two camshaft grooves on the back of the engine cylinder cover are equal in specification but are not symmetrically distributed, and the small end of each camshaft groove faces to two sides of the engine cylinder cover.

Preferably, the diameter value of the fixing bolt hole is 3cm, and the diameter value of the inner ring of the rubber ring is equal to that of the fixing bolt hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this novel natural gas engine cylinder lid through all adopting the design of sealing strip around dovetail groove, irregular recess and engine cylinder lid for the engine cylinder lid is after the fixing through the bolt, and two sealing strips can make and closely laminate between cylinder lid and the engine, reach sealed effect, have not only avoided appearing the gap between cylinder lid and the engine, thereby also can prevent thereby entering into engine influence normal work such as external dust.

2. This novel natural gas engine cylinder cap, through the design that adopts the rubber circle on fixing bolt hole for after the bolt is fixed on fixing bolt hole, can utilize the rubber circle to increase frictional force between the two, avoid the car receiving strong vibrations and when jolting, make the bolt appear not hard up the condition on fixing bolt hole, not only guaranteed the stability of engine, be favorable to improving the fixed effect between cylinder cap and the engine organism moreover.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

fig. 3 is a schematic view of the side view of the present invention.

In the figure: 1. an engine cylinder head; 2. an irregular first groove; 3. a trapezoidal groove; 4. a semi-annular gap; 5. a first sealing strip; 6. a second sealing strip; 7. fixing bolt holes; 8. a rubber ring; 9. a transmission shaft hole; 10. a second irregular groove; 11. a first positioning hole; 12. a second positioning hole; 13. a rocker shaft slot; 14. a connecting ring; 15. a camshaft groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel natural gas engine cylinder cover comprises an engine cylinder cover 1, wherein two camshaft grooves 15 on the back surface of the engine cylinder cover 1 have the same specification but are not symmetrically distributed, one end of the camshaft groove 15 with a small size faces to two sides of the engine cylinder cover 1, the two camshaft grooves 15 are designed according to the positions of air valves and are mainly used for controlling the opening and closing actions of the air valves, the camshaft grooves are one of very important parts in an engine, an irregular groove 1 and a trapezoidal groove 3 are respectively formed at the bottom and two sides of the front surface of the engine cylinder cover 1, semicircular notches 4 are respectively formed at the bottom of two sides of the engine cylinder cover 1 and the upper end and the lower end of the trapezoidal groove 3, a sealing strip 5 is fixedly connected to the periphery of the engine cylinder cover 1, the sealing strip 5 protrudes upwards by 1cm on the front surface of the engine cylinder cover 1, and the protruding distance values of the sealing strip 2 on the trapezoidal groove 3 are equal, by adopting the first sealing strip 5 and the second sealing strip 6 which respectively extend upwards, after the engine cylinder cover 1 is fixed with an engine, the first sealing strip 5 and the second sealing strip 6 serve as a middle role, a good sealing effect can be achieved, the problem that a gap is formed between the engine cylinder cover and the engine due to collision, vibration and the like of the engine is avoided, and the normal work of the engine is influenced, the sealing strips 6 are respectively and fixedly connected to the surfaces of the irregular groove 2 and the trapezoidal groove 3, the front surface of the engine cylinder cover 1 is provided with fixing bolt holes 7 which are positioned at the upper end and the lower end of the trapezoidal grooves 3 at two sides, the diameter value of the fixing bolt holes 7 is 3cm, the diameter value of the inner ring of the rubber ring 8 is equal to that of the fixing bolt holes 7, the design with the size equal to that of the fixing bolt holes 7 is adopted, the rubber ring 8 can increase the friction force between the bolt and the engine, the bolt is prevented from loosening due to vibration, collision and the like, the stability of the engine is ensured, the rubber ring 8 is fixedly sleeved on the fixing bolt hole 7, the two sides of the upper part of the engine cylinder cover 1 are respectively provided with the transmission shaft holes 9, the transmission shaft hole 9 on the right side is positioned in the middle of the irregular groove II 10, the middle part of the engine cylinder cover 1 is provided with two positioning holes I11, the upper side and the lower side of the two positioning holes I11 are respectively provided with the positioning holes II 12, the engine cylinder cover 1 is provided with the rocker shaft grooves 13 positioned on the two sides of the positioning holes I11, the number of the rocker shaft grooves 13 is two, the right rocker shaft groove 13 is smaller than the left rocker shaft groove 13, one side and the top surface of the two rocker shaft grooves 13, which are, the engine cylinder cover is also a main mechanism for generating and outputting power of an engine, the engine can obtain the best power support through the matching action of the rocker arm shaft grooves 13 and the connecting rings 14, the upper parts of the two rocker arm shaft grooves 13 are installed at one ends of the connecting rings 14, the other ends of the connecting rings 14 extend to the back of the engine cylinder cover 1, the two sides of the lower part of the back of the engine cylinder cover 1 are respectively provided with the camshaft grooves 15, the back of the engine cylinder cover 1 is irregularly provided with the positioning holes I11, the positioning holes II 12 and the fixing bolt holes 7, the positioning holes I11, the positioning holes II 12 and the fixing bolt holes 7 are formed in the back of the engine cylinder cover 1 according to the structure of the engine, and the engine cylinder cover 1 and the engine can be tightly fixed to.

The working principle is that before the engine cylinder cover 1 is used, the engine cylinder cover 1 is placed on an engine, the rocker shaft and the raised part on the engine are aligned to the rocker shaft groove 13, the irregular groove I2 and the irregular groove II 10 on the engine cylinder cover 1, then bolts with different specifications are screwed on the fixing bolt hole 7, the positioning hole I11 and the positioning hole II 12, so that the engine cylinder cover 1 can be tightly fixed with the engine, after the bolts are fixed, the friction force between the bolts and the engine cylinder cover 1 is increased due to the effect of the rubber ring 8 between the fixing bolt hole 7 and the bolts, the loosening of the bolts is avoided when the engine is severely vibrated and collided, meanwhile, the periphery of the engine cylinder cover 1, the irregular groove I2, the sealing strip I5 and the sealing strip II 6 on the trapezoidal groove 3 can completely seal the space between the engine cylinder cover 1 and the engine, the problem of engine fault caused by a gap between the engine cylinder cover 1 and the engine is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel natural gas engine cylinder lid, includes engine cylinder lid (1), its characterized in that: the engine cylinder cover comprises an engine cylinder cover (1), wherein the front bottom and two sides of the engine cylinder cover (1) are respectively provided with an irregular groove I (2) and a trapezoidal groove (3), the bottoms of the two sides of the engine cylinder cover (1) and the upper and lower ends of the trapezoidal groove (3) are respectively provided with a semicircular notch (4), the periphery of the engine cylinder cover (1) is fixedly connected with a sealing strip I (5), the surfaces of the irregular groove I (2) and the trapezoidal groove (3) are respectively fixedly connected with a sealing strip II (6), the front of the engine cylinder cover (1) is provided with fixing bolt holes (7) positioned at the upper and lower ends of the trapezoidal grooves (3) at two sides, the fixing bolt holes (7) are fixedly sleeved with rubber rings (8), the two sides of the upper part of the engine cylinder cover (1) are respectively provided with transmission shaft holes (9), two locating hole one (11) have been seted up at the middle part of engine cylinder lid (1), and the upper and lower both sides of two locating hole one (11) have seted up locating hole two (12) respectively, set up rocking arm axle slot (13) that are located locating hole one (11) both sides on engine cylinder lid (1), and the one end at go-between (14) is installed to the top of two rocking arm axle slots (13), the other end of go-between (14) extends to the back of engine cylinder lid (1), camshaft slot (15) have been seted up respectively to both sides of engine cylinder lid (1) back below, the back of engine cylinder lid (1) is irregularly distributed and has locating hole one (11), locating hole two (12) and fixing bolt hole (7).

2. The novel natural gas engine cylinder head of claim 1, characterized in that: the number of the rocker arm shaft grooves (13) is two, the right rocker arm shaft groove (13) is smaller than the left rocker arm shaft groove (13), and one side and the top surface of the two rocker arm shaft grooves (13) close to the fixing bolt holes (7) are respectively matched with the rocker arm shafts.

3. The novel natural gas engine cylinder head of claim 1, characterized in that: the first sealing strip (5) protrudes upwards by 1cm on the front surface of the engine cylinder cover (1), and the protruding distance values of the first irregular groove (2) and the second sealing strip (6) on the trapezoidal groove (3) are equal to the protruding distance value of the engine cylinder cover (1).

4. The novel natural gas engine cylinder head of claim 1, characterized in that: the two camshaft grooves (15) on the back of the engine cylinder cover (1) are equal in specification but not symmetrically distributed, and the small end of each camshaft groove (15) faces to the two sides of the engine cylinder cover (1).

5. The novel natural gas engine cylinder head of claim 1, characterized in that: the diameter value of fixing bolt hole (7) is 3cm, the diameter value of rubber circle (8) inner circle equals with the diameter value of fixing bolt hole (7).

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