CN210217885U - Automobile lifting lug - Google Patents
Automobile lifting lug Download PDFInfo
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- CN210217885U CN210217885U CN201921282612.9U CN201921282612U CN210217885U CN 210217885 U CN210217885 U CN 210217885U CN 201921282612 U CN201921282612 U CN 201921282612U CN 210217885 U CN210217885 U CN 210217885U
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- lifting lug
- rubber body
- groove
- support main
- main part
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Abstract
The utility model discloses a car lug, including the outer support, the outer support includes the support main part, be provided with the preformed hole in the support main part, set up in the preformed hole and install the rubber body, be provided with the mounting hole in the rubber body, the upside of mounting hole is provided with fretwork groove, and the downside of mounting hole is provided with down fretwork groove, and the left side below of support main part is provided with left extension, and the right side of support main part is provided with right extension. The utility model also discloses a production manufacturing technology of car lug puts the outer support in the mould, and rubber makes the integration body through the injection machine with the sizing material injection in the mould, places the integration body again and carries out the pressurization vulcanization in the vulcanizing press. The utility model improves the structure of the automobile lifting lug and provides a production and manufacturing process of the high-efficiency and high-quality automobile lifting lug.
Description
Technical Field
The utility model relates to an automobile parts technical field specifically is an automobile lug and production manufacturing technology thereof.
Background
In automobiles, the lifting lug structure serves as a load-bearing and vibration-isolating component of the exhaust system, and plays roles of suspending the exhaust system and isolating excitation acting external impact force on the exhaust system from the automobile body. With the common adoption of a lightweight vehicle body design and a four-cylinder engine, the problem of vibration in a vehicle caused by excitation of an exhaust system is common in newly developed vehicle types, so that a lifting lug with reasonable dynamic and static stiffness and sufficient strength and service life needs to be developed. The lifting lug structure in the prior art can not absorb impact force while ensuring the strength.
The existing automobile part manufacturer is technically characterized in that rubber and a small sleeve are vulcanized firstly, and then the small sleeve is assembled in a support, so that the process has multiple processing procedures and multiple working hours, and the service life of a lifting lug is short due to the fact that the rubber is not firmly connected with the support.
Therefore, a new automobile lifting lug and a manufacturing process thereof are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile lug and production manufacturing process thereof to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides an automobile lifting lug, includes the outer support, the outer support includes the support main part, be provided with the preformed hole in the support main part, set up in the preformed hole and install the rubber body, be provided with the mounting hole in the rubber body, the upside of mounting hole is provided with fretwork groove, and the downside of mounting hole is provided with down fretwork groove, and the left side below of support main part is provided with left extension, and the right side of support main part is provided with right extension, be provided with left mounting groove in the left extension, the center department of left side mounting groove is provided with left connecting hole, be provided with right mounting groove in the right extension, be provided with right connecting hole in the right mounting groove.
The rubber body is characterized in that a clamping groove is formed in the circumferential outer side wall of the rubber body and is matched with the preformed hole in a clamping mode.
An arc-shaped bend is arranged between the left extending part and the right extending part.
An inner concave area is arranged between the bracket main body and the left extension part and between the bracket main body and the right extension part, and a plurality of reinforcing ribs are arranged in the inner concave area.
The mounting hole is arranged in the rubber body to be eccentric at the lower right position.
The outer support is made of PA66+ GF35, and the rubber body is made of NR.
A production and manufacturing process of an automobile lifting lug comprises the following steps:
s1, manufacturing the outer bracket through an injection molding process;
s2, placing the outer bracket in the S1 in a mold, and injecting rubber into the mold through an injection machine to form an integrated body;
s3, putting the integrated body in the S2 into a flat vulcanizing machine for pressure vulcanization; the temperature is controlled to be 150 +/-10 ℃ during vulcanization, and the mold closing pressure per unit area is more than or equal to 13 MPa.
And S2, before the outer bracket in the step S1 is placed in the die, a layer of hot vulcanization type adhesive is coated on the circumferential inner side wall of the preformed hole and the upper end surface and the lower end surface around the preformed hole. Preferably, the first and second liquid crystal materials are,
compared with the prior art, this practical beneficial effect is: in this practicality, go up fretwork groove and lower fretwork groove setting and can improve the internal deformation volume of rubber, increase the shock insulation effect of the rubber body. The joint groove is used for improving the connection tightness of the rubber body and the outer support. The arc-shaped bend can reduce the weight and the volume under the condition of ensuring that the overall strength of the outer bracket is not influenced. The weight of the outer support can be achieved by the concave areas, and the weight of the outer support can be improved by the reinforcing ribs. The eccentric arrangement of the mounting hole can enable the center of the mounting hole to be positioned at the opposite center of the outer support after the lifting lug is assembled, so that the stress of the lifting lug is more uniform. The PA66+ GF35 material that the outer support adopted has good mechanical properties, and the NR material that the rubber body adopted has good resilience. The utility model changes the method adopted by most other manufacturers in the prior art: the rubber and a small sleeve are vulcanized and then the small sleeve is assembled into the holder. The utility model reduces the assembly process and improves the processing efficiency; this practicality has still improved the tight degree of being connected between rubber and the support. The heat-curable adhesive further improves the tightness of the connection between the rubber and the bracket. The utility model improves the structure of the automobile lifting lug and provides a production and manufacturing process of the high-efficiency and high-quality automobile lifting lug.
Drawings
FIG. 1 is a front view of an automotive lifting lug;
FIG. 2 is a bottom view of an automotive lifting lug;
fig. 3 is a cross-sectional view at a in fig. 1.
In the figure: 1-outer support, 2-rubber body, 3-left extension part, 4-right extension part, 5-left mounting groove, 6-left connecting hole, 7-right connecting hole, 8-right mounting groove, 9-concave area, 10-reinforcing rib, 11-arc bend, 12-support main body, 13-preformed hole, 14-upper hollowed groove, 15-mounting hole, 16-lower hollowed groove and 17-clamping 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. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an automobile lifting lug, includes outer support 1, outer support 1 includes support main body 12, be provided with preformed hole 13 in the support main body 12, set up in the preformed hole 13 and install the rubber body 2, be provided with mounting hole 15 in the rubber body 2, the upside of mounting hole 15 is provided with fretwork groove 14, and the downside of mounting hole 15 is provided with fretwork groove 16 down, and the left side below of support main body 12 is provided with left extension 3, and the right side of support main body 12 is provided with right extension 4, be provided with left mounting groove 5 in the extension 3 of a left side, the center department of left side mounting groove 5 is provided with left connecting hole 6, be provided with right mounting groove 8 in the extension 4 of the right side, be provided with right connecting hole 7 in the right mounting groove 8 of the right side.
During the assembly, cooperate the part of installation exhaust system in the mounting hole 15, on left connecting hole 6 and the right connecting hole 7 through the bolt with lug fixed mounting to the frame, put the gasket when left mounting groove 5 and right mounting groove 8 transfer, go up hollow groove 14 and hollow groove 16 setting down and can improve the deformation volume of the inside of rubber body 2, increase the shock insulation effect of rubber body 2.
Preferably, a clamping groove 17 is formed in the circumferential outer side wall of the rubber body 2, and the clamping groove 17 is in clamping fit with the preformed hole 13.
The clamping groove 17 is used for improving the connection tightness of the rubber body 2 and the outer bracket 1.
Preferably, an arc-shaped bend 11 is arranged between the left extension part 3 and the right extension part 4.
The arc bend 11 can reduce the weight and the volume under the condition of ensuring that the overall strength of the outer bracket 1 is not influenced.
Preferably, an inner concave area 9 is arranged between the bracket main body 12 and the left extension part 3 and the right extension part 4, and a plurality of reinforcing ribs 10 are arranged in the inner concave area 9.
The concave region 9 can increase the weight of the outer frame 1, and the reinforcing rib 10 can increase the weight of the outer frame 1.
Preferably, the mounting hole 15 is provided eccentrically in the lower right position in the rubber body 2.
The eccentric arrangement of the mounting hole 15 can enable the center of the mounting hole 15 to be positioned at the opposite center of the outer bracket 1 after the lifting lugs are assembled, so that the stress of the lifting lugs is more uniform.
Preferably, the outer stent 1 is made of PA66+ GF35, and the rubber body 2 is made of NR.
The PA66+ GF35 material that outer support 1 adopted has good mechanical properties, and the NR material that rubber body 2 adopted has good resilience.
A production and manufacturing process of an automobile lifting lug comprises the following steps:
s1, manufacturing the outer bracket 1 through an injection molding process;
s2, placing the outer bracket 1 in the S1 in a mould, and injecting rubber into the mould by an injection machine to form an integrated body;
s3, putting the integrated body in the S2 into a flat vulcanizing machine for pressure vulcanization; the temperature is controlled to be 150 +/-10 ℃ during vulcanization, and the mold closing pressure per unit area is more than or equal to 13 MPa.
The utility model changes the method adopted by most other manufacturers in the prior art: the rubber and a small sleeve are vulcanized and then the small sleeve is assembled into the holder. The utility model reduces the assembly process and improves the processing efficiency; this practicality has still improved the tight degree of being connected between rubber and the support.
It is preferable that a layer of heat-curable adhesive is applied to the circumferential inner side wall of the prepared hole 13 and the upper and lower end surfaces around the prepared hole 13 before the external cradle 1 of S1 is placed in the mold in the step of S2.
The heat-curable adhesive further improves the tightness of the connection between the rubber and the bracket.
The working principle of the utility model is that: this practicality is during the time, and the part in the exhaust system is installed in the cooperation in the mounting hole 15, on left connecting hole 6 and the right connecting hole 7 through the bolt with lug fixed mounting to the frame, put the gasket when left mounting groove 5 and right mounting groove 8 transfer, go up fretwork groove 14 and lower fretwork groove 16 and set up the deformation volume that can improve the inside of the rubber body 2, increase the shock insulation effect of rubber body 2. The clamping groove 17 is used for improving the connection tightness of the rubber body 2 and the outer bracket 1. The arc bend 11 can reduce the weight and the volume under the condition of ensuring that the overall strength of the outer bracket 1 is not influenced. The concave region 9 can increase the weight of the outer frame 1, and the reinforcing rib 10 can increase the weight of the outer frame 1. The eccentric arrangement of the mounting hole 15 can enable the center of the mounting hole 15 to be positioned at the opposite center of the outer bracket 1 after the lifting lugs are assembled, so that the stress of the lifting lugs is more uniform. The PA66+ GF35 material that outer support 1 adopted has good mechanical properties, and the NR material that rubber body 2 adopted has good resilience. The utility model changes the method adopted by most other manufacturers in the prior art: the rubber and a small sleeve are vulcanized and then the small sleeve is assembled into the holder. The utility model reduces the assembly process and improves the processing efficiency; this practicality has still improved the tight degree of being connected between rubber and the support. The heat-curable adhesive further improves the tightness of the connection between the rubber and the bracket.
It will be evident to those skilled in the art that the invention 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 invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an automobile lifting lug, includes outer support (1), its characterized in that: outer support (1) is including support main part (12), be provided with preformed hole (13) in support main part (12), set up in preformed hole (13) and install the rubber body (2), be provided with mounting hole (15) in the rubber body (2), the upside of mounting hole (15) is provided with fretwork groove (14), and the downside of mounting hole (15) is provided with down fretwork groove (16), and the left side below of support main part (12) is provided with left extension (3), and the right side of support main part (12) is provided with right extension (4), be provided with left mounting groove (5) in left side extension (3), the center department of left side mounting groove (5) is provided with left connecting hole (6), be provided with right mounting groove (8) in right extension (4), be provided with right connecting hole (7) in right side mounting groove (8).
2. The automotive lifting lug according to claim 1, wherein: be provided with joint groove (17) on the circumference lateral wall of rubber body (2), joint groove (17) and preformed hole (13) joint cooperation.
3. The automotive lifting lug according to claim 1, wherein: an arc-shaped bend (11) is arranged between the left extending part (3) and the right extending part (4).
4. The automotive lifting lug according to claim 1, wherein: an inner concave area (9) is arranged between the support main body (12) and the left extending part (3) and the right extending part (4), and a plurality of reinforcing ribs (10) are arranged in the inner concave area (9).
5. The automotive lifting lug according to claim 1, wherein: the mounting hole (15) is arranged in the rubber body (2) to be eccentric at the lower right position.
6. The automotive lifting lug according to claim 1, wherein: the outer support (1) is made of PA66+ GF35, and the rubber body (2) is made of NR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282612.9U CN210217885U (en) | 2019-08-08 | 2019-08-08 | Automobile lifting lug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282612.9U CN210217885U (en) | 2019-08-08 | 2019-08-08 | Automobile lifting lug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217885U true CN210217885U (en) | 2020-03-31 |
Family
ID=69918293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921282612.9U Active CN210217885U (en) | 2019-08-08 | 2019-08-08 | Automobile lifting lug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217885U (en) |
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2019
- 2019-08-08 CN CN201921282612.9U patent/CN210217885U/en active Active
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