CN219197483U

CN219197483U - Dustproof engine cylinder cover

Info

Publication number: CN219197483U
Application number: CN202320360128.3U
Authority: CN
Inventors: 王羽丹; 宋成波; 张玉俊; 牟常磊; 周海华
Original assignee: Yantai Migao Precision Mechanical Equipment Co ltd
Current assignee: Yantai Migao Precision Mechanical Equipment Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-06-16
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to the field of engine cylinder covers, in particular to a dustproof engine cylinder cover, which has the technical scheme that: the engine cylinder cover is fixedly mounted at the top of the cylinder body, the engine cylinder cover further comprises a dustproof component used for improving the dustproof effect of the engine cylinder cover, the dustproof component is arranged below the periphery side part of the engine cylinder cover and is positioned around the joint of the engine cylinder cover and the cylinder body, and the dustproof component has the beneficial effects that: can prevent effectively that the dust from invading by the gap between cylinder body after the connection and the engine cylinder cap, reach the dustproof effect of preferred, and structural design is simple, and the simple operation need not to occupy more space in engine cylinder cap surface and engine cylinder cap top space, and this has just made things convenient for the installation of follow-up oil pipe, trachea, water pipe, and the practicality is strong, suitable popularization.

Description

Dustproof engine cylinder cover

Technical Field

The utility model relates to the field of engine cylinder covers, in particular to a dustproof engine cylinder cover.

Background

The engine cylinder cover is installed on the cylinder body, seals the cylinder from the upper part and forms a combustion chamber, and is always contacted with high-temperature high-pressure gas, so that the engine cylinder cover bears great heat load and mechanical load, a cooling water hole on the bottom surface of the cylinder cover is communicated with a cooling water hole of the cylinder body, circulating water is used for cooling high-temperature parts such as the combustion chamber, the cylinder cover is used as the most important key parts of the engine, the structure is complex, the inner part of the engine cylinder cover penetrates through an oil duct, a water channel and an air channel, the wall thickness is uneven, no leakage of the gas pressure of 0.4Mpa is required, an air inlet valve seat and an air outlet valve seat are also installed on the cylinder cover, an air inlet valve, an air outlet valve, an air inlet channel, an air outlet channel and the like are also processed on the cylinder cover of the overhead cam shaft type engine, and a cam shaft bearing hole is used for installing a cam shaft.

Through retrieving, the patent is invented to a dustproof engine cylinder cap of bulletin number CN213144624U, and this patent includes engine cylinder body, cylinder cap, the top of cylinder cap is provided with the backup pad, the four corners department of backup pad lower extreme face all fixedly connected with supporting legs, two liang fixedly connected with head rod between the supporting legs, the lateral surface cover of engine cylinder body is equipped with the rubber lantern ring, and two of same side rotate between the supporting legs and be connected with first bull stick, every the fixed cover in surface of first bull stick is equipped with the riser, every one side of riser all fixedly connected with connecting block, the center of backup pad is connected with the screw rod, the lower extreme rotation of screw rod is connected with the drum.

Said invented patent possesses the characteristics of convenient operation, flexible replacement and effectively raising dust-proofing effect of engine cylinder cover, but it has the following obvious defects: the dustproof structure is complex in design, occupies more space on the surface of the cylinder cover, particularly occupies more space above the cylinder cover, holes are formed in the top, the bottom and the side parts of the cylinder cover, the installation of subsequent oil pipes, air pipes and water pipes is inevitably affected by the design, the practicability is reduced, and further improvement is needed.

Disclosure of Invention

Therefore, the utility model provides a dustproof engine cylinder cover to solve the problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the dustproof engine cylinder cover comprises a cylinder body and an engine cylinder cover, wherein the engine cylinder cover is fixedly arranged at the top of the cylinder body and further comprises a dustproof component for improving the dustproof effect of the engine cylinder cover, the dustproof component is arranged below the periphery of the side part of the engine cylinder cover, and the dustproof component is positioned around the joint of the engine cylinder cover and the cylinder body.

Preferably, the dustproof assembly comprises four right-angle bending plates, the tops of the four right-angle bending plates are respectively and fixedly arranged on the side parts around the engine cylinder cover, and the four right-angle bending plates are located on the same horizontal plane.

Preferably, the center of four right angle bent plate lateral parts is provided with threaded holes, the threaded holes penetrate through tightening screws, and the wall of the threaded holes is in threaded connection with the surface of the tightening screws.

Preferably, the dustproof assembly further comprises four pressing plates, the four pressing plates are respectively arranged on the inner sides of the four right-angle bent plates, and connecting pipes are fixedly installed at the centers of one ends, far away from the engine cylinder cover, of the four pressing plates.

Preferably, the four connecting pipes are in one-to-one correspondence with the four tightening screws respectively, one ends of the tightening screws close to the pressing plates are inserted into the corresponding connecting pipes, and one ends of the tightening screws close to the pressing plates are in rotary connection with the inner surfaces of the corresponding connecting pipes through bearings.

Preferably, one end of the four pressing plates, which is close to the engine cylinder cover, is provided with rubber sealing sheets, and the four rubber sealing sheets are respectively arranged around the joint of the engine cylinder cover and the cylinder body.

Preferably, when the rubber sealing piece is in a compressed state, the surface of the rubber sealing piece is attached to the lower surface of the side part of the engine cylinder cover, and the surface of the rubber sealing piece is attached to the upper surface of the side part of the cylinder body.

Preferably, four the spacing slide hole of a plurality of bars has all been seted up at right angle bent plate top, four the clamp plate top all is provided with a plurality of spacing slides, a plurality of spacing slide and the spacing slide hole of a plurality of bars are one-to-one respectively, spacing slide top is all vertical to pass the spacing slide hole of corresponding bar, and spacing slide surface and the spacing slide hole pore wall laminating mutually, the equal fixed mounting in spacing slide top has the stopper, the stopper bottom laminates mutually with right angle bent plate top upper surface.

The beneficial effects of the utility model are as follows: through the cooperation of cylinder body, engine cylinder cap and the dustproof subassembly that sets up use, can prevent effectively that the dust from invading by the gap between cylinder body after being connected and the engine cylinder cap, reach the dustproof effect of preferred, and structural design is simple, and the simple operation need not to occupy more space in engine cylinder cap surface and engine cylinder cap top space, and this has just made things convenient for the installation of follow-up oil pipe, trachea, water pipe, and the practicality is strong, suitable popularization.

Drawings

FIG. 1 is a cross-sectional view of a structure provided by the present utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a perspective view of a right angle bend plate according to the present utility model;

FIG. 4 is a perspective view of a platen according to the present utility model;

FIG. 5 is a top view of a structure provided by the present utility model;

fig. 6 is a front view of the structure provided by the present utility model.

In the figure: 1. a cylinder; 2. an engine cylinder cover; 3. a right angle bending plate; 4. a threaded hole; 5. tightening the screw; 6. a pressing plate; 7. a connecting pipe; 8. a rubber sealing sheet; 9. a bar-shaped limiting sliding hole; 10. a limit sliding plate; 11. and a limiting block.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-6, the dustproof engine cylinder cover provided by the utility model comprises a cylinder body 1 and an engine cylinder cover 2, wherein the engine cylinder cover 2 is fixedly arranged at the top of the cylinder body 1, and further comprises a dustproof component for improving the dustproof effect of the engine cylinder cover 2, the dustproof component is arranged below the side part of the periphery of the engine cylinder cover 2, and the dustproof component is positioned around the joint of the engine cylinder cover 2 and the cylinder body 1;

the dustproof assembly comprises four right-angle bending plates 3, the tops of the four right-angle bending plates 3 are respectively and fixedly arranged on the side parts of the periphery of the engine cylinder cover 2, the four right-angle bending plates 3 are positioned on the same horizontal plane, threaded holes 4 are formed in the centers of the side parts of the four right-angle bending plates 3, tightening screw rods 5 are penetrated through the threaded holes 4, the walls of the threaded holes 4 are in threaded connection with the surfaces of the tightening screw rods 5, namely, the four tightening screw rods 5 are respectively and threadedly connected with the centers of the side parts of the four right-angle bending plates 3, so that when a person skilled in the art rotates the tightening screw rods 5 forwards and backwards through tools such as a spanner, the tightening screw rods 5 which are in threaded connection with the right-angle bending plates 3 can reciprocate;

the dustproof assembly further comprises four pressing plates 6, the four pressing plates 6 are respectively arranged on the inner sides of the four right-angle bending plates 3, connecting pipes 7 are fixedly arranged at the centers of one ends of the four pressing plates 6, which are far away from the engine cylinder cover 2, the four connecting pipes 7 are respectively in one-to-one correspondence with the four tightening screws 5, one ends of the tightening screws 5, which are close to the pressing plates 6, are inserted into the corresponding connecting pipes 7, one ends of the tightening screws 5, which are close to the pressing plates 6, are rotationally connected with the inner surfaces of the corresponding connecting pipes 7 through bearings, so when the tightening screws 5 rotate forward and backward, the connecting pipes 7 can be driven to synchronously reciprocate, thereby driving the pressing plates 6 to reciprocate, and as the connecting pipes 7 are rotationally connected with the tightening screws 5, the connecting pipes 7 can not be influenced by the rotation of the tightening screws 5, one ends of the four pressing plates 6, which are close to the engine cylinder cover 2, are provided with rubber sealing sheets 8, the four rubber sealing sheets 8 are respectively arranged around the joint of the engine cylinder cover 2 and the cylinder body 1, so when the pressing plate 6 moves back and forth, the rubber sealing sheets 8 can be driven to move back and forth, and when the rubber sealing sheets 8 collide with the cylinder body 1 and the engine cylinder cover 2, the rubber sealing sheets 8 can be extruded along with the continuous movement of the pressing plate 6, when the rubber sealing sheets 8 are in a compressed state, the surfaces of the rubber sealing sheets 8 are jointed with the lower surfaces of the side parts of the engine cylinder cover 2, the surfaces of the rubber sealing sheets 8 are jointed with the upper surfaces of the side parts of the cylinder body 1, namely under the sealing action of the four rubber sealing sheets 8, the invasion of dust by gaps between the connected cylinder body 1 and the engine cylinder cover 2 can be effectively prevented, the better dustproof effect is achieved, the structure is simple in design, the operation is convenient, more space on the surface of the engine cylinder cover 2 and the upper space of the engine cylinder cover 2 are not required, the installation of the subsequent oil pipe, the air pipe and the water pipe is convenient;

the top of each of the four right-angle bending plates 3 is provided with a plurality of bar-shaped limiting slide holes 9, the top of each of the four pressing plates 6 is provided with a plurality of limiting slide plates 10, the limiting slide plates 10 and the bar-shaped limiting slide holes 9 are respectively in one-to-one correspondence, the top ends of the limiting slide plates 10 vertically penetrate through the corresponding bar-shaped limiting slide holes 9, and the surfaces of the limiting slide plates 10 are attached to the walls of the bar-shaped limiting slide holes 9, so that when the pressing plates 6 reciprocate, the limiting slide plates 10 can be driven to reciprocate in the bar-shaped limiting slide holes 9, namely, the pressing plates 6 can stably move without shifting, limiting blocks 11 are fixedly arranged at the top ends of the limiting slide plates 10, namely, under the joint limiting effect of the limiting slide plates 10, the bar-shaped limiting slide holes 9 and the limiting blocks 11, the pressing plates 6 can be prevented from rotating, and the structure is reasonable in design.

The working principle of the utility model is as follows: when the engine cylinder cover 2 is arranged at the top of the cylinder body 1, the tightening screw 5 can be rotated by tools such as a wrench, so that the tightening screw 5 moves towards the directions of the engine cylinder cover 2 and the cylinder body 1, the pressing plate 6 moves synchronously, namely, the four rubber sealing gaskets 8 move towards the directions of the engine cylinder cover 2 and the cylinder body 1, when the rubber sealing gaskets 8 are in contact with the cylinder body 1 and the engine cylinder cover 2, the rubber sealing gaskets 8 can be extruded along with the continuous movement of the pressing plate 6, when the rubber sealing gaskets 8 are in a compressed state, the surfaces of the rubber sealing gaskets 8 are attached to the lower surfaces of the side parts of the engine cylinder cover 2, namely, under the sealing action of the four rubber sealing gaskets 8, dust can be effectively prevented from invading from gaps between the connected cylinder body 1 and the engine cylinder cover 2, a better dustproof effect is achieved, and the structure is simple in design, and convenient to operate, and the installation of a follow-up oil pipe, an air pipe and a water pipe is convenient.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. Dustproof engine cylinder cap, including cylinder body (1) and engine cylinder cap (2), engine cylinder cap (2) fixed mounting is at cylinder body (1) top, its characterized in that: the engine cylinder cover is characterized by further comprising a dustproof component for improving the dustproof effect of the engine cylinder cover (2), wherein the dustproof component is arranged below the periphery side part of the engine cylinder cover (2), and the dustproof component is positioned around the joint of the engine cylinder cover (2) and the cylinder body (1).

2. The dust protected engine cylinder head of claim 1, wherein: the dustproof assembly comprises four right-angle bending plates (3), the tops of the four right-angle bending plates (3) are respectively and fixedly arranged on the side parts around the engine cylinder cover (2), and the four right-angle bending plates (3) are located on the same horizontal plane.

3. The dust protected engine cylinder head of claim 2, wherein: screw holes (4) are formed in the centers of the side parts of the four right-angle bent plates (3), screw tightening screws (5) penetrate through the screw holes (4), and the hole walls of the screw holes (4) are in threaded connection with the surfaces of the screw tightening screws (5).

4. A dust engine head as set forth in claim 3, wherein: the dustproof assembly further comprises four pressing plates (6), the four pressing plates (6) are respectively arranged on the inner sides of the four right-angle bent plates (3), and connecting pipes (7) are fixedly arranged at the centers of one ends, far away from the engine cylinder cover (2), of the four pressing plates (6).

5. The dust engine cylinder head of claim 4, wherein: the four connecting pipes (7) are in one-to-one correspondence with the four tightening screws (5), one ends of the tightening screws (5) close to the pressing plates (6) are inserted into the corresponding connecting pipes (7), and one ends of the tightening screws (5) close to the pressing plates (6) are in rotary connection with the inner surfaces of the corresponding connecting pipes (7) through bearings.

6. The dust engine cylinder head of claim 5, wherein: one end of each pressing plate (6) close to the engine cylinder cover (2) is provided with a rubber sealing sheet (8), and the four rubber sealing sheets (8) are respectively arranged around the joint of the engine cylinder cover (2) and the cylinder body (1).

7. The dust protected engine cylinder head of claim 6, wherein: when the rubber sealing piece (8) is in a compressed state, the surface of the rubber sealing piece (8) is attached to the lower surface of the side part of the engine cylinder cover (2), and the surface of the rubber sealing piece (8) is attached to the upper surface of the side part of the cylinder body (1).

8. The dust protected engine cylinder head of claim 6, wherein: four a plurality of spacing slide holes (9) of bar have all been seted up at right angle bent plate (3) top, four clamp plate (6) top all is provided with a plurality of spacing slide (10), a plurality of spacing slide (10) and a plurality of spacing slide holes (9) of bar are one-to-one respectively, spacing slide (10) top is all vertical to pass corresponding spacing slide hole (9) of bar, and spacing slide (10) surface and the laminating of the spacing slide hole (9) pore wall mutually, the equal fixed mounting in spacing slide (10) top has stopper (11), stopper (11) bottom laminates with right angle bent plate (3) top upper surface mutually.