CN212297144U

CN212297144U - Engine housing connecting piece

Info

Publication number: CN212297144U
Application number: CN202020883448.3U
Authority: CN
Inventors: 陈泽人; 李奎
Original assignee: Baur Automotive Wuxi Co ltd
Current assignee: Baur Automotive Wuxi Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-05
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a connecting part of an engine housing, in particular to a connecting piece of an engine housing, which comprises a connecting piece body, wherein the connecting piece body is made of an elastic body; the top of the connecting piece body is provided with an insertion hole which is a round hole, and the diameter of the insertion hole is smaller than the diameter of a ball head at the top of the connecting rod and larger than the diameter of the connecting rod; the connecting piece body is internally provided with a fixing hole, the fixing hole is communicated with the inserting hole, the diameter of the fixing hole is larger than that of the inserting hole, and the fixing hole is used for being movably connected with a ball head at the top of the connecting rod; the connecting piece body is provided with a fixing groove, and the fixing groove is used for being connected with the housing. The utility model provides a pair of engine housing connecting piece simple structure, easy dismounting, connection are reliable, can the shock attenuation to guarantee that the housing is difficult for droing.

Description

Engine housing connecting piece

Technical Field

The utility model relates to a connecting parts of engine housing, especially an engine housing connecting piece.

Background

The engine housing is heat-insulating and sound-insulating, and has a protection effect on the engine, and almost all the current automobile engines are provided with the engine housing. The existing engine housing is mostly fixed on an engine by bolts, the bolts are rigidly connected, so that the engine housing is inconvenient to disassemble and assemble, and the bolts are easy to resonate with the engine to influence the work of the engine.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an engine housing connecting piece that easy dismounting, connection are reliable, have shock-absorbing function, concrete technical scheme is:

an engine housing connecting piece comprises a connecting piece body, wherein the connecting piece body is made of an elastic body; the top of the connecting piece body is provided with an insertion hole which is a round hole, and the diameter of the insertion hole is smaller than the diameter of a ball head at the top of the connecting rod and larger than the diameter of the connecting rod; the connecting piece body is internally provided with a fixing hole, the fixing hole is communicated with the inserting hole, the diameter of the fixing hole is larger than that of the inserting hole, and the fixing hole is used for being movably connected with a ball head at the top of the connecting rod; the connecting piece body is provided with a fixing groove, and the fixing groove is used for being connected with the housing.

Through adopting above-mentioned technical scheme, the elastomer makes things convenient for the bulb of connecting rod to insert and extract the fixed orifices, has made things convenient for the dismouting of housing greatly, and the elastomer has shock-absorbing function simultaneously, avoids housing and engine resonance. Because the diameter of the inserting hole is smaller than that of the ball head, the connecting piece body can be limited on the ball head, and the cover shell is prevented from falling off. The fixing groove enhances reliability of connection with the housing.

Furthermore, the fixing hole is a ball hole, and the ball diameter of the fixing hole is consistent with that of the ball head.

Through adopting above-mentioned technical scheme, ball hole and bulb phase-match can form the vacuum, and the bulb is further inhaled tightly in the vacuum, effectively prevents that the bulb from droing from the fixed orifices to further guarantee the reliability that the housing was fixed on the engine.

Furthermore, the insertion hole is a conical hole, and the diameter of the insertion hole at the top of the connecting piece body is larger than that of the part communicated with the fixing hole.

By adopting the technical scheme, the taper hole facilitates the insertion of the ball head into the fixing hole, plays a role in guiding and expanding the insertion hole, and saves labor when the connecting piece is inserted.

Furthermore, the outer side of the connecting piece body is provided with an annular reinforcing ring, and the reinforcing ring is positioned between the center of the ball head and the insertion hole.

Through adopting above-mentioned technical scheme, the beaded finish can increase elasticity to further guarantee that the bulb can not take place to break away from the condition of fixed orifices because of the circumstances such as vibration.

Further, the connecting piece body is made of EPDM.

By adopting the technical scheme, the EPDM has excellent ozone resistance, heat resistance, weather resistance and other aging resistance, and can ensure the service life.

Furthermore, the diameter of the insertion hole is 70% -80% of the diameter of the ball head.

Through adopting above-mentioned technical scheme, the patchhole undersize leads to the bulb to insert the fixed orifices difficulty, and the patchhole is too big can not effectively be restricted the bulb in the fixed orifices.

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

the utility model provides a pair of engine housing connecting piece simple structure, easy dismounting, connection are reliable, can the shock attenuation to guarantee that the housing is difficult for droing.

Drawings

FIG. 1 is a perspective view of an engine housing connection;

FIG. 2 is an elevation view of an engine casing connection;

FIG. 3 is a cross-sectional view of an engine casing connection;

FIG. 4 is a cross-sectional view of an engine housing connector mounted on the housing and connected to the ball of the connecting rod.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 4, an engine cover connecting piece includes a connecting piece body made of an elastic body; the top of the connecting piece body is provided with an insertion hole 21, the insertion hole 21 is a round hole, and the diameter of the insertion hole 21 is smaller than that of the ball 11 at the top of the connecting rod 12 and larger than that of the connecting rod 12; a fixing hole 22 is formed in the connecting piece body, the fixing hole 22 is communicated with the insertion hole 21, the diameter of the fixing hole 22 is larger than that of the insertion hole 21, and the fixing hole 22 is used for being movably connected with the ball head 11 at the top of the connecting rod 12; the connecting piece body is provided with a fixing groove 23, and the fixing groove 23 is used for being connected with the housing 3.

The connector body is made of EPDM. EPDM ozone resistance, heat resistance, weather resistance and other aging resistance performance are excellent, and the service life can be ensured.

The top of connecting rod 12 is equipped with bulb 11, and the bottom is equipped with the screw thread, and connecting rod 12 is fixed on the engine.

The elastomer makes things convenient for the bulb 11 of connecting rod 12 to insert and extract fixed orifices 22, has made things convenient for the dismouting of housing 3 greatly, and the elastomer has shock-absorbing function simultaneously, avoids housing 3 and engine resonance.

Since the diameter of the insertion hole 21 is smaller than that of the ball 11, the connector body can be limited on the ball 11, and the cover 3 is prevented from falling off. Since the connecting member is an elastic body, the ball 11 is mainly confined in the fixing hole 22 through the insertion hole 21.

The fixing groove 23 enhances reliability of connection with the housing 3. The fixing groove 23 is formed by a fixing ring 25 at the bottom of the connector body.

The diameter of the insertion hole 21 is 70-80% of the diameter of the ball head 11. Too small an insertion hole 21 makes it difficult to insert the ball 11 into the fixing hole 22, and too large an insertion hole 21 cannot effectively restrain the ball 11 in the fixing hole 22. The diameter of the ball 11 is usually 10mm, and the diameter of the insertion hole 21 is 7-8 mm.

As shown in fig. 4, the connecting member is fixed on the housing 3, the housing 3 may be made of a foam material, and when the connecting member is mounted on the foam material, the connecting member needs to be embedded inside the foam body, so as to ensure the connection strength with the foam body; if the fixing groove is mounted on the plastic part, the fixing groove only needs to be clamped on the housing 3. Generally, at least three connecting pieces are arranged on the housing 3, the connecting pieces are movably inserted on the ball head 11, when the connecting pieces are installed, only the inserting hole 21 needs to be aligned with the ball head 11, then the housing 3 is pressed down forcibly, the ball head 11 props the inserting hole 21 open and enters the fixing hole 22, the inserting hole 21 is clamped on the ball head 11, and the housing 3 is fixed. When the housing is disassembled, the housing 3 is pulled upwards forcibly, the ball head 11 props the insertion hole 21, the connecting piece body is separated from the ball head 11, the housing 3 is disassembled, and the disassembly and the assembly are convenient.

Example two

In the above embodiment, the fixing hole 22 is a ball hole, and the ball diameter of the fixing hole 22 is equal to the ball diameter of the ball head 11. The ball hole is matched with the ball head 11, vacuum can be formed, the ball head 11 is further tightly sucked in the vacuum, the ball head 11 is effectively prevented from falling off from the fixing hole 22, and therefore the reliability of the casing 3 fixed on the engine is further guaranteed.

EXAMPLE III

In the first or second embodiment, the insertion hole 21 is a tapered hole, and the diameter of the insertion hole at the top of the connector body is larger than the diameter of the connection hole 22.

Because the connecting piece is generally no less than three, therefore need great power when inserting housing 3, and the taper hole makes things convenient for bulb 11 to insert in fixed orifices 22, plays the effect of direction and expansion patchhole 21, laborsaving when making the connecting piece insert.

Example four

On the basis of any one of the above embodiments, the outer side of the connector body is provided with an annular reinforcing ring 24, and the reinforcing ring 24 is located between the center of the ball 11 and the insertion hole 21. The reinforcing ring 24 can increase the elasticity, i.e. the elasticity at the insertion hole 21, thereby further ensuring that the ball 11 is not separated from the fixing hole 22 due to vibration and the like.

The reinforcing ring 24 is also embedded in the housing 3, and the reinforcing ring 24 can enhance the connection strength with the housing 3 while increasing the elastic constraint.

The engine case connections require a 7 day aging test at 130 °; and carrying out high-low temperature cyclic vibration test for 240h at the temperature of-40-130 ℃, and repeatedly carrying out disassembly and assembly test at the temperature of-20 ℃.

The utility model provides a pair of engine housing connecting piece simple structure, easy dismounting, connection are reliable, can the shock attenuation to guarantee that the housing is difficult for droing, and also can keep effectual connection under high temperature environment.

Claims

1. The engine housing connecting piece is characterized by comprising a connecting piece body, wherein the connecting piece body is made of an elastic body;

the top of the connecting piece body is provided with an insertion hole which is a round hole, and the diameter of the insertion hole is smaller than the diameter of a ball head at the top of the connecting rod and larger than the diameter of the connecting rod;

the connecting piece body is internally provided with a fixing hole, the fixing hole is communicated with the inserting hole, the diameter of the fixing hole is larger than that of the inserting hole, and the fixing hole is used for being movably connected with a ball head at the top of the connecting rod;

the connecting piece body is provided with a fixing groove, and the fixing groove is used for being connected with the housing.

2. The engine housing connection of claim 1, wherein said fixing hole is a ball hole, and a ball diameter of said fixing hole is identical to a ball diameter of a ball head.

3. The engine case connecting member according to claim 1, wherein an annular reinforcing ring is provided on an outer side of the connecting member body, and the reinforcing ring is located between a center of a ball head and the insertion hole.

4. The engine housing connection of claim 1, wherein the insertion hole is a tapered hole and has a diameter at a top of the connection body larger than a diameter at a portion communicating with the fixing hole.

5. The engine casing connector of claim 1, wherein said connector body is made of EPDM.

6. The engine housing connection of claim 1, wherein the diameter of said insertion hole is 70% to 80% of the diameter of said ball head.