CN217477035U - Truck balance shaft suspension - Google Patents
Truck balance shaft suspension Download PDFInfo
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- CN217477035U CN217477035U CN202221782199.4U CN202221782199U CN217477035U CN 217477035 U CN217477035 U CN 217477035U CN 202221782199 U CN202221782199 U CN 202221782199U CN 217477035 U CN217477035 U CN 217477035U
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- balance shaft
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- blind hole
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Abstract
The utility model provides a truck balance shaft suspension belongs to automobile parts technical field. The utility model provides a left balance shaft bracket, a right balance shaft bracket, an auxiliary support plate and a connecting bolt, wherein two ends of the auxiliary support plate are respectively connected with the left balance shaft bracket and the right balance shaft bracket through the connecting bolt; the junction of left side balance shaft support and right balance shaft support and auxiliary support plate all is equipped with screw thread blind hole and through-hole, and the through-hole is closer to auxiliary support plate's center than the screw thread blind hole, and the auxiliary support plate both ends all are equipped with the connecting hole that aligns with screw thread blind hole and through-hole, and connecting bolt includes blind hole bolt and through-hole bolt, and the blind hole bolt passes behind the connecting hole and fastens through the nut with the cooperation of screw thread blind hole, and the through-hole bolt passes behind connecting hole and the through-hole. The utility model discloses can play the fastening effect better, prevent that the junction is not hard up better, promote the holistic joint strength of truck balance shaft suspension.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, more specifically say, relate to a truck balance shaft suspension.
Background
The balance shaft suspension of the truck comprises a left balance shaft support and a right balance shaft support, and is used for mounting a balance shaft. The balance shaft suspension is split and integrally cast, the integrally cast structure has higher requirements on casting technology, and the split structure is convenient to cast but inconvenient to mount and connect. In order to improve the integrity and the installation convenience, a section of connecting piece is connected between the left balance shaft bracket and the right balance shaft bracket of the split balance shaft suspension through a fastener or a fastening structure, but the connecting piece is easy to loosen after long-time vibration, so that mechanical failure or danger is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a truck balance shaft suspension to solve the above-mentioned technical problem who exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the truck balance shaft suspension comprises a left balance shaft bracket, a right balance shaft bracket, an auxiliary support plate and a connecting bolt, wherein two ends of the auxiliary support plate are respectively connected with the left balance shaft bracket and the right balance shaft bracket through the connecting bolt; left side balance shaft support and right balance shaft support all are equipped with screw thread blind hole and through-hole with auxiliary support plate's junction, and the through-hole is closer to auxiliary support plate's center than the screw thread blind hole, and the auxiliary support plate both ends all are equipped with the connecting hole that aligns with screw thread blind hole and through-hole, and connecting bolt includes blind hole bolt and through-hole bolt, and the blind hole bolt passes behind the connecting hole and fastens with the cooperation of screw thread blind hole, and the through-hole bolt passes behind connecting hole and the through-hole and fastens through the nut.
In a possible implementation manner, the threaded blind hole, the through hole, the blind hole bolt and the through hole bolt corresponding to each end of the auxiliary supporting plate are two in parallel arrangement.
In a possible realization, the auxiliary support plate is provided with reinforcing ribs along the length direction.
In one possible implementation, the threaded blind holes are interference fit with corresponding blind hole bolts.
In one possible embodiment, the blind bolt is provided with a through-hole in the axial direction.
In a possible implementation manner, the joints of the left balance shaft support and the right balance shaft support and the auxiliary support plate are protruded out of the left balance shaft support and the right balance shaft support.
In a possible implementation mode, the joints of the left balance shaft support and the right balance shaft support and the auxiliary support plate are provided with reinforcing structures.
In one possible implementation manner, the left balance shaft support and the right balance shaft support are cast iron components, and the auxiliary support plate is a cast component, a forged component, a plastic steel component or a carbon fiber component.
In one possible embodiment, the thread pitch of the blind-hole bolt and the through-hole bolt is different.
The utility model provides a balanced axle suspension of truck's beneficial effect lies in: compared with the prior art, when the utility model is installed, the through-hole bolt is firstly matched with the nut and is preliminarily connected and fastened with the through hole, then the blind hole bolt is connected and fastened with the thread blind hole to a preset torque, and then the through-hole bolt is fastened to the preset torque to complete the connection; the connecting mode utilizes the characteristics of convenience in installation and strong shearing resistance of the through-hole bolt and the characteristic of difficulty in loosening of the long thread of the blind hole bolt, the two modes are mutually matched to achieve a better fastening effect, the through-hole bolt is located on the inner side of the blind hole bolt, and the blind hole bolt has better fastening performance and is closer to a vibration source, so that the vibration transmitted to the through-hole bolt can be reduced, the looseness of the joint is better prevented, and the overall connecting strength of the truck balance shaft suspension is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of a truck balance shaft suspension according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another view direction of the truck balance shaft suspension provided by the embodiment of the invention;
fig. 3 is a schematic front view of the truck balance shaft suspension provided by the embodiment of the present invention.
Wherein, each reference number in the figures is as follows:
10. a left balance shaft support;
20. a right balance shaft support;
30. an auxiliary support plate; 31. reinforcing ribs;
41. blind hole bolts; 42. and (4) through hole bolts.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is now right that the utility model provides a truck balance shaft suspension explains.
Referring to fig. 1 and 3 together, a truck balance shaft suspension according to a first embodiment of the present invention includes a left balance shaft bracket 10, a right balance shaft bracket 20, an auxiliary support plate 30 and a connecting bolt, wherein two ends of the auxiliary support plate 30 are respectively connected to the left balance shaft bracket 10 and the right balance shaft bracket 20 through the connecting bolt; the left balance shaft support 10, the right balance shaft support 20 and the auxiliary support plate 30 are respectively provided with a threaded blind hole and a through hole at the joint, the through holes are closer to the center of the auxiliary support plate 30 than the threaded blind holes, the two ends of the auxiliary support plate 30 are respectively provided with a connecting hole aligned with the threaded blind holes and the through holes, each connecting bolt comprises a blind hole bolt 41 and a through hole bolt 42, the blind hole bolts 41 penetrate through the connecting holes and then are fastened with the threaded blind holes in a matched mode, and the through hole bolts 42 penetrate through the connecting holes and then are fastened through nuts.
Compared with the prior art, in the truck balance shaft suspension provided by the embodiment, when the truck balance shaft suspension is installed, the through hole bolt 42 is firstly matched with the nut to be primarily connected and fastened with the through hole, then the blind hole bolt 41 is connected and fastened with the threaded blind hole to reach the preset torque, and then the through hole bolt 42 is fastened to reach the preset torque to complete connection; this kind of connected mode has both utilized through-hole bolt 42 to be convenient for the installation and the strong characteristics of shearing resistance, has utilized the difficult not hard up characteristics of blind hole bolt 41 long thread again, and these two modes are mutually supported and can play fastening effect better, and through-hole bolt 42 is located blind hole bolt 41 inboardly, because blind hole bolt 41 fastening performance is better and more be close to the vibrations source, can reduce the vibrations that transmit on through-hole bolt 42, thereby prevent that the junction is not hard up better, promote the holistic joint strength of truck balance shaft suspension.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is as follows:
the threaded blind hole, the through hole, the blind hole bolt 41 and the through hole bolt 42 corresponding to each end of the auxiliary support plate 30 are two in parallel arrangement, so that the stress balance and the firmness are ensured.
Reinforcing ribs 31 are provided on the subsidiary support plate 30 in the length direction to enhance the strength of the subsidiary support plate 30.
The threaded blind holes are in interference fit with the corresponding blind hole bolts 41, the assembly adopts a cold-fitting process, the bolts are placed into liquid nitrogen to be cooled and reduced and then are placed into the threaded blind holes, the mounting tightness and the fastening degree can be improved, and the possibility of looseness is reduced.
The blind hole bolt 41 is provided with a through hole along the axial direction, and the through hole is used for filling liquid or gas into the threaded blind hole so as to detect the sealing degree between the threaded blind hole and the blind hole bolt 41, and injecting glue for sealing and filling after detection.
The joints of the left balance shaft bracket 10 and the right balance shaft bracket 20 and the auxiliary support plate 30 are protruded from the left balance shaft bracket 10 and the right balance shaft bracket 20, so as to avoid affecting other mounting structures, shorten the length of the auxiliary support plate 30, and facilitate the mounting of bolts.
The joints of the left balance shaft bracket 10 and the right balance shaft bracket 20 and the auxiliary support plate 30 are provided with reinforcing structures to improve the strength of the joints.
The left balance shaft bracket 10 and the right balance shaft bracket 20 are both cast iron members, and the auxiliary support plate 30 is a cast member, a forged member, a plastic steel member, or a carbon fiber member.
The blind hole bolts 41 and the through hole bolts 42 have different pitches to obtain different vibration loosening characteristics, so that the joint is less likely to loosen.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The truck balance shaft suspension is characterized by comprising a left balance shaft bracket, a right balance shaft bracket, an auxiliary support plate and a connecting bolt, wherein two ends of the auxiliary support plate are respectively connected with the left balance shaft bracket and the right balance shaft bracket through the connecting bolt; the left balance shaft support and the right balance shaft support are connected with the auxiliary supporting plate through threaded blind holes and through holes, the through holes are closer to the center of the auxiliary supporting plate than the threaded blind holes, connecting holes aligned with the threaded blind holes and the through holes are formed in the two ends of the auxiliary supporting plate, each connecting bolt comprises a blind hole bolt and a through hole bolt, the blind hole bolts penetrate through the connecting holes and then are matched with the threaded blind holes to be fastened, and the through hole bolts penetrate through the connecting holes and the through holes and then are fastened through nuts.
2. The truck equalizer axle suspension of claim 1, wherein: the threaded blind hole, the through hole, the blind hole bolt and the through hole bolt which correspond to each end of the auxiliary supporting plate are two in parallel arrangement.
3. The truck equalizer axle suspension of claim 1, wherein: reinforcing ribs are arranged on the auxiliary supporting plate along the length direction.
4. The truck equalizer axle suspension of claim 1, wherein: and the threaded blind holes are in interference fit with the corresponding blind hole bolts.
5. The truck equalizer shaft suspension of claim 4, wherein: and the blind hole bolt is provided with a through hole along the axis direction.
6. The truck equalizer axle suspension of claim 1, wherein: the joints of the left balance shaft support and the right balance shaft support and the auxiliary supporting plate are all protruded out of the left balance shaft support and the right balance shaft support.
7. The truck equalizer axle suspension of claim 6, wherein: and reinforcing structures are arranged at the joints of the left balance shaft support and the auxiliary support plate and the joints of the right balance shaft support and the auxiliary support plate.
8. The truck equalizer axle suspension of claim 1, wherein: the left balance shaft support and the right balance shaft support are both cast iron components, and the auxiliary support plate is a casting component, a forging component, a plastic steel component or a carbon fiber component.
9. The truck equalizer axle suspension of claim 1, wherein: the thread pitches of the blind hole bolt and the through hole bolt are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221782199.4U CN217477035U (en) | 2022-07-11 | 2022-07-11 | Truck balance shaft suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221782199.4U CN217477035U (en) | 2022-07-11 | 2022-07-11 | Truck balance shaft suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217477035U true CN217477035U (en) | 2022-09-23 |
Family
ID=83317520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221782199.4U Active CN217477035U (en) | 2022-07-11 | 2022-07-11 | Truck balance shaft suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217477035U (en) |
-
2022
- 2022-07-11 CN CN202221782199.4U patent/CN217477035U/en active Active
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