CN215720008U

CN215720008U - Fastening element for vibration damping type engine cylinder head cover

Info

Publication number: CN215720008U
Application number: CN202121780167.6U
Authority: CN
Inventors: 戴锡鹏; 庞坤
Original assignee: Zhejiang Tianli Motor Parts Co ltd
Current assignee: Zhejiang Tianli Motor Parts Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-01
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a fastening element of a vibration damping type engine cylinder head cover, which comprises a cover plate, wherein two ends of one side of the cover plate are respectively and symmetrically provided with two groups of lower supporting blocks and upper supporting blocks, one sides of the inner parts of the upper supporting blocks, which are close to each other, are provided with sliding chutes A, and sliding blocks A are arranged in the sliding chutes A; according to the utility model, through the mutual matching of the spring A, the slide block A, the upper connecting plate, the slide groove A, the lower connecting plate, the spring B, the slide block B and the slide groove B, when the connecting bolt is used for installing and connecting the engine connecting block, a transverse acting force in opposite directions is generated on the connecting bolt, so that the connecting bolt is transversely and reversely extruded by the lower connecting plate and the upper connecting plate while being fastened and connected, the friction resistance on the connecting bolt is increased, and meanwhile, the vibration acting force of the engine is absorbed and relieved through the spring A and the spring B, thereby improving the stability of the position structure of the connecting bolt.

Description

Fastening element for vibration damping type engine cylinder head cover

Technical Field

The utility model relates to the technical field of engines, in particular to a fastening element of a vibration damping type engine cylinder head cover.

Background

The Engine (Engine) is a machine capable of converting other forms of energy into mechanical energy, and comprises an internal combustion Engine (reciprocating piston Engine), an external combustion Engine (stirling Engine, steam Engine, etc.), a jet Engine, an electric motor, etc., wherein the Engine can do work along with kinetic energy in the process of operating and converting energy, so that mechanical vibration can be generated, and the existing Engine is composed of a plurality of parts, so that a cylinder cover is arranged at the top of a cylinder cover of the existing Engine for protection.

The existing engine cylinder head cover has various structures, and basically adopts bolts to connect with the engine, but when the engine runs, the generated vibration is irregular, and transverse acting force can be generated on the fastened bolts, so that the bolts are loosened in the long-term use process, and therefore the engine cylinder head cover fastening structure capable of absorbing and relieving the acting force of the engine is needed.

SUMMERY OF THE UTILITY MODEL

The present invention provides a fastening element for a cylinder head cover of a vibration damping engine, which solves the problem of the prior art that the cylinder head cover of the engine is loosened and falls off due to the action of vibration when the cylinder head cover is used for a long time.

In order to achieve the purpose, the utility model provides the following technical scheme: a damping type engine cylinder head cover fastening element comprises a cover plate, two groups of lower supporting blocks and upper supporting blocks are symmetrically arranged at two ends of one side of the cover plate respectively, a sliding groove A is arranged at one side, close to each other, of the inner part of each upper supporting block, a sliding block A is arranged inside each sliding groove A, a spring A is arranged at one side, far away from the cover plate, of each sliding block A, the other side of each spring A is connected with the inner wall of each sliding groove A, an upper connecting plate is arranged at one end, close to each other, of each two groups of sliding blocks A, an upper pushing block is arranged at one side of each upper connecting plate, a sliding groove B is arranged inside each two groups of lower supporting blocks, close to one end, of each lower supporting block B, a sliding block B is arranged inside each sliding groove B, a spring B is arranged at one side, close to the cover plate, of each sliding block B, the other end, of each sliding block B, is provided with a lower connecting plate, one side of the lower connecting plate is provided with a lower pushing block.

Preferably, the middle positions of the inner parts of the lower connecting plate and the upper connecting plate are provided with through holes, inner walls of the through holes are provided with internal threads, the lower connecting plate and the upper connecting plate are provided with connecting bolts in a penetrating mode, and the connecting bolts are meshed with the internal threads.

Preferably, an engine connecting block is arranged at the middle position outside the connecting bolt, and a threaded hole meshed with the connecting bolt is arranged at the middle position inside the engine connecting block.

Preferably, the top of the upper pushing block and the top of the lower pushing block are both provided with rubber pads, and the outer sides of the rubber pads are both provided with anti-skid lines.

Preferably, the cover plate and the upper supporting block are both made of a cured hard rubber material and are manufactured by an integrated manufacturing process.

Preferably, both ends of the engine connecting block are respectively provided with rubber gaskets on the tops of the upper connecting plate and the lower connecting plate.

Compared with the prior art, the utility model has the beneficial effects that: the fastening element of the vibration damping type engine cylinder head cover can absorb and relieve the acting force on the cylinder head cover when the engine runs, and keeps the stability of the structure position of the connecting bolt;

through spring A, slider A, the upper junction plate, spout A, the lower junction plate, spring B, mutually support between slider B and the spout B, make connecting bolt when carrying out erection joint to the engine connecting block, produce a horizontal and opposite direction's effort to connecting bolt, thereby make connecting bolt when carrying out fastening connection, receive the horizontal backward extrusion of lower junction plate and upper junction plate, the frictional resistance to connecting bolt has been increased, the engine vibrations effort that receives simultaneously absorbs and alleviates through spring A and spring B, thereby the stability of connecting bolt position structure has been improved.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a top cross-sectional view of the structure of FIG. 1 at the upper support block of the present invention;

fig. 3 is a top sectional view of the structure of the lower support block of fig. 1 according to the present invention.

In the figure: 1. a cover plate; 2. a lower support block; 3. a connecting bolt; 4. a lower connecting plate; 5. an engine connecting block; 6. an upper support block; 7. a spring A; 8. an upper connecting plate; 9. a chute A; 10. pushing up the block; 11. a slide block A; 12. a spring B; 13. a slide block B; 14. a chute B; 15. and pushing the block downwards.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a damping type engine cylinder head cover fastening element comprises a cover plate 1, two groups of lower supporting blocks 2 and upper supporting blocks 6 are symmetrically arranged at two ends of one side of the cover plate 1 respectively, installation of each part is achieved through the lower supporting blocks 2 and the upper supporting blocks 6, sliding grooves A9 are arranged on one sides, close to each other, of the inner portions of the upper supporting blocks 6, sliding blocks A11 are arranged inside the sliding grooves A9, springs A7 are arranged on one sides, far away from the cover plate 1, of the sliding blocks A11, the other sides of the springs A7 are connected with the inner walls of the sliding grooves A9, upper connecting plates 8 are arranged at one ends, close to each other, of the two groups of sliding blocks A11, an upper push block 10 is arranged on one side of the upper connecting plates 8, sliding grooves B14 are arranged inside one ends, close to each other, of the two groups of lower supporting blocks 2, sliding blocks B13 are arranged inside each sliding blocks B13, springs B12 are arranged on one sides, close to the cover plate 1, transverse reverse acting force is achieved through springs B12 and A7, the other side of the spring B12 is connected with the inner wall of the sliding groove B14, the two groups of sliding blocks B13 are provided with a lower connecting plate 4 at the end close to each other, a lower push block 15 is arranged at one side of the lower connecting plate 4, and the connecting installation of the connecting bolt 3 is realized through the upper connecting plate 8 and the lower connecting plate 4.

Further, the middle positions inside the lower connecting plate 4 and the upper connecting plate 8 are provided with through holes, inner wall positions of the through holes are provided with internal threads, the lower connecting plate 4 and the upper connecting plate 8 are provided with connecting bolts 3 in a penetrating mode, the connecting bolts 3 are meshed with the internal threads, and connection between the connecting bolts 3 and the lower connecting plate 4 and the upper connecting plate 8 is achieved.

Furthermore, an engine connecting block 5 is arranged at the middle position outside the connecting bolt 3, and a threaded hole meshed with the connecting bolt 3 is arranged at the middle position inside the engine connecting block 5, so that the connecting bolt 3 is connected with the engine connecting block 5.

Furthermore, rubber pads are arranged at the tops of the upper pushing block 10 and the lower pushing block 15, anti-skid grains are arranged on the outer sides of the rubber pads, friction force is increased, and the upper pushing block 10 and the lower pushing block 15 can be conveniently pulled.

Furthermore, the cover plate 1 and the upper supporting block 6 are both made of a cured hard rubber material and are manufactured by an integrated manufacturing process, so that the structural stability of the cover plate 1 and the upper supporting block 6 is improved.

Further, the two ends of the engine connecting block 5 are respectively provided with a rubber gasket at the tops of the upper connecting plate 8 and the lower connecting plate 4, so that the friction force is increased, and the engine connecting block 5 is combined with the lower connecting plate 4 and the upper connecting plate 8 more tightly.

The working principle is as follows: when the device is used, firstly, the engine connecting block 5 is inserted into a position between the upper supporting block 6 and the lower supporting block 2, then the connecting bolt 3 is screwed into a through hole at the middle position of the upper connecting plate 8, the upper pushing block 10 is pulled to drive the upper connecting plate 8 to horizontally displace, the upper connecting plate 8 drives the sliding block A11 to slide in the sliding groove A9 and simultaneously stretch the spring A7, the connecting bolt 3 is further screwed into the engine connecting block 5, so that the connection between the upper connecting plate 8 and the engine connecting block 5 is completed, then the lower pushing block 15 is pulled to drive the lower connecting plate 4 to horizontally displace, the lower connecting plate 4 drives the sliding block B13 to slide in the sliding groove B14 and simultaneously stretch the spring B12, at the moment, the connecting bolt 3 is further screwed into the lower connecting plate 4, so that the installation is completed, at the moment, the reverse acting force is provided through the stretching of the spring A7 and the spring B12, and then drive upper junction plate 8 and lower connecting plate 4 and produce reverse transverse acting force to connecting bolt 3, improve the frictional force to connecting bolt 3, the transverse acting force that produces simultaneously when the engine operation absorbs and alleviates through the position department of power conduction to spring A7 and spring B12 to avoided connecting bolt 3 to take place because the condition that vibrations drop, improved the fastening nature of connecting.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A fastening element for a cylinder head cover of a vibration-damped engine, comprising a cover plate (1), characterized in that: two ends of one side of the cover plate (1) are respectively symmetrically provided with two groups of lower supporting blocks (2) and upper supporting blocks (6), one side of the inner part of each upper supporting block (6), which is close to each other, is provided with a chute A (9), the inner part of the chute A (9) is provided with a slide block A (11), one side of the slide block A (11), which is far away from the cover plate (1), is provided with a spring A (7), the other side of the spring A (7) is connected with the inner wall of the chute A (9), one ends of the two groups of slide blocks A (11), which are close to each other, are jointly provided with an upper connecting plate (8), one side of the upper connecting plate (8) is provided with an upper push block (10), the inner parts of one ends of the two groups of lower supporting blocks (2), which are close to each other, are provided with a chute B (14), the inner part of the chute B (14) is provided with a slide block B (13), one side of the slide block B (13), which is close to the cover plate (1), is provided with a spring B (12), the other side of the spring B (12) is connected with the inner wall of the sliding groove B (14), a lower connecting plate (4) is arranged at one end, close to each other, of each of the two groups of sliding blocks B (13), and a lower pushing block (15) is arranged on one side of the lower connecting plate (4).

2. A vibration damping engine head cover fastening element as defined in claim 1, wherein: the internal middle positions of the lower connecting plate (4) and the upper connecting plate (8) are provided with through holes, internal threads are arranged on the inner walls of the through holes, the lower connecting plate (4) and the upper connecting plate (8) are provided with connecting bolts (3) in a penetrating mode, and the connecting bolts (3) are meshed with the internal threads.

3. A vibration damping engine head cover fastening element as defined in claim 2, wherein: an engine connecting block (5) is arranged in the middle of the outer side of the connecting bolt (3), and threaded holes meshed with the connecting bolt (3) are formed in the middle of the inner portion of the engine connecting block (5).

4. A vibration damping engine head cover fastening element as defined in claim 1, wherein: rubber pads are arranged at the tops of the upper pushing block (10) and the lower pushing block (15), and anti-skid grains are arranged on the outer sides of the rubber pads.

5. A vibration damping engine head cover fastening element as defined in claim 1, wherein: the cover plate (1) and the upper supporting block (6) are both made of a cooked hard rubber material and are manufactured by an integrated manufacturing process.

6. A vibration damping engine head cover fastening element as defined in claim 3, wherein: and rubber gaskets are respectively arranged at the two ends of the engine connecting block (5) and the tops of the upper connecting plate (8) and the lower connecting plate (4).