CN216922982U - Plate spring bush and automobile plate spring support assembly - Google Patents
Plate spring bush and automobile plate spring support assembly Download PDFInfo
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- CN216922982U CN216922982U CN202220471848.2U CN202220471848U CN216922982U CN 216922982 U CN216922982 U CN 216922982U CN 202220471848 U CN202220471848 U CN 202220471848U CN 216922982 U CN216922982 U CN 216922982U
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- oil storage
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Abstract
The application discloses leaf spring bush and car leaf spring support assembly, leaf spring bush is including the bush body that is tubular structure, the inner wall of bush body is provided with the oil storage tank, a plurality of pit has evenly been arranged to the inner wall of bush body, the inner wall of bush body still is provided with the intercommunication oil storage tank and at least part the oil guide channel of pit. In the disclosed leaf spring bush of this application, the setting up of oil storage tank has increased this internal oil storage capacity of bush, lubricating oil filling number of times has been reduced, greatly reduced artifical oiling intensity of labour and oiling maintenance cost, the lubrication of bush has also fully been ensured to the increase of oil storage capacity, reduce it and take place the friction, the possibility of wearing and tearing, help promoting the life of bush, lead in the oil passageway can guide the lubricating oil that pours into the oil storage tank to the pit in, make lubricating oil distribute evenly fast on the inner peripheral surface of whole bush body, the setting up of a plurality of pits also helps further enlarging leaf spring bush's oil storage capacity.
Description
Technical Field
The application relates to the technical field of automobile suspension systems, in particular to a plate spring bushing and an automobile plate spring support assembly.
Background
The plate spring bush is a vulnerable part of an automobile, is arranged in the plate spring support assembly and the plate spring eye, plays roles in buffering, shock absorption and stress transmission, and plays an important role in driving comfort, stability, safety and maintenance and replacement convenience. In the using process, lubricating oil needs to be filled between the plate spring bushing and the plate spring pin shaft regularly, but the gap space between the plate spring bushing and the plate spring pin shaft is limited, the amount of the lubricating oil which can be filled is small, so that the lubricating oil needs to be filled frequently, the labor intensity of manual oil filling and the oil filling maintenance cost are increased, inconvenience is brought to the work of an automobile user, once the lubricating oil is too little, the bushing cannot be lubricated sufficiently, and friction and abrasion of the plate spring bushing are caused.
SUMMERY OF THE UTILITY MODEL
The application provides a leaf spring bush and car leaf spring support assembly to solve at least one technical problem among the above-mentioned technical problem.
The technical scheme adopted by the application is as follows:
the utility model provides a leaf spring bush, is including the bush body that is tubular structure, the inner wall of bush body is provided with the oil storage tank, a plurality of pit has evenly been arranged to the inner wall of bush body, the inner wall of bush body still is provided with the intercommunication oil storage tank and at least part the oil passageway of leading of pit.
The leaf spring bushing in the present application also has the following additional technical features:
the oil storage groove is an annular oil storage groove extending along the circumferential direction of the inner wall of the bushing body.
The oil storage groove is arranged at the central position of the axial length of the lining body.
The bush body is equipped with a plurality ofly lead oil duct, it is a plurality of lead oil duct symmetric arrangement in the both sides of oil storage tank.
The oil guide passage is a straight passage extending in the axial direction of the bushing body.
The oil guide channel extends spirally along the inner wall of the bushing body.
The liner sleeve body is provided with a seam penetrating through the top end and the bottom end of the side wall of the liner sleeve body, and the seam is of a spiral structure.
The liner sleeve body has a seam extending through the top and bottom ends of its sidewall, the seam being a Z-shaped structure.
The bushing body is of a steel structure, and a copper layer is arranged on the inner wall of the bushing body.
The application still provides an automobile plate spring support assembly, including the support, install in the plate spring bush of support and inlay and locate in plate spring round pin axle in the plate spring bush, the plate spring bush be as before the plate spring bush, plate spring round pin axle is provided with the oiling runner, the oiling runner have the oil inlet and with the oil-out of oil storage tank intercommunication.
Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:
1. in this application, the setting up of oil storage tank has increased this internal oil storage capacity of bush, has reduced lubricating oil filling number of times, greatly reduced artifical oiling intensity of labour and oiling maintenance cost, the increase of oil storage capacity has also fully ensured the lubrication of bush, reduces its possibility of taking place friction, wearing and tearing, helps promoting the life of bush. Lead in the oil passageway can guide the lubricating oil that pours into the oil storage tank into to the pit, make lubricating oil distribute on the inner peripheral surface of whole bush body fast evenly, the setting up of a plurality of pits also helps further enlarging leaf spring bush's oil storage capacity, leaf spring bush overall structure is simple, convenient to use, the practicality is stronger.
2. Through establishing the oil storage tank into the annular structure that extends along the inner wall circumferential direction of bush body, compare in the straight shape groove that the oil storage tank is for extending along bush body axial, when the oiling, lubricating oil can flow along the oil storage tank fast and distribute to whole bush body internal periphery, and then help lubricating oil from the oil storage tank to the internal face distribution of whole bush body, moreover, annular structure's oil storage tank has still reduced the possibility that lubricating oil takes place to leak.
3. The seam through making the bush body is heliciform structure or Z shape structure, causes the seam department to appear stress concentration and lead to the seam to be extrudeed and warp and cause the bush premature failure when avoiding installing the bush in leaf spring's the turn-up, helps promoting leaf spring bush's life.
4. In the car leaf spring support assembly that this application provided, leaf spring round pin axle is provided with the oiling runner, the oiling runner have the oil inlet and with the oil-out of oil storage tank intercommunication for can be directly through the oil inlet to the oil storage tank in the oiling, need not carry out dismouting, convenient operation, swift to leaf spring round pin axle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is an isometric view of a leaf spring bushing provided in accordance with a first embodiment of the present application;
fig. 2 is a front view of a leaf spring bushing according to a first embodiment of the present application;
fig. 3 is a schematic structural view of an inner wall surface of a leaf spring bush according to a first embodiment of the present application;
fig. 4 is a sectional view of a leaf spring bushing according to a first embodiment of the present application;
Fig. 5 is an isometric view of a leaf spring bushing provided in accordance with a second embodiment of the present application;
FIG. 6 is a cross-sectional view of an automotive leaf spring support assembly according to an embodiment of the application.
Reference numerals:
11, a lining body, 12 oil storage grooves, 13 pits, 14 oil guide channels and 15 seams;
2, a bracket;
3, a plate spring pin shaft, 31 an oil filling flow channel, 311 an oil inlet, 312 an oil outlet and 32 a sealing plug.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "transverse", "longitudinal", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the embodiment of the present application, a leaf spring bushing as shown in fig. 1 and a leaf spring bracket assembly for a vehicle as shown in fig. 6 are provided, and for convenience of explanation and understanding, the following description is provided on the basis of the illustrated product structure. Of course, it can be understood by those skilled in the art that the above-mentioned structure is only used as a specific example and illustrative description, and does not constitute a specific limitation to the technical solution provided in the present application.
Referring to fig. 1 to 5, a plate spring bushing includes a bushing body 11 having a cylindrical structure, an oil storage tank 12 is disposed on an inner wall of the bushing body 11, a plurality of pits 13 are uniformly disposed on the inner wall of the bushing body 11, and an oil guide channel 14 communicating the oil storage tank 12 with at least a portion of the pits 13 is further disposed on the inner wall of the bushing body 11. For the convenience of explanation and understanding of the structure provided on the inner wall surface of the bush body 11, fig. 3 is a schematic structural view showing a plate spring bush having a cylindrical structure expanded into a flat plate shape.
Those skilled in the art can understand that, in the above technical scheme, the oil storage tank 12 is arranged to increase the oil storage amount in the bushing body 11, so that the number of times of filling lubricating oil is reduced, the labor intensity of manual oil filling and the oil filling maintenance cost are greatly reduced, the increase of the oil storage amount also fully ensures the lubrication of the bushing, the possibility of friction and abrasion of the bushing is reduced, and the service life of the bushing is prolonged. Lead in oil duct 14 can guide the lubricating oil that pours into in oil storage tank 12 to pit 13 in, make lubricating oil distribute on the inner peripheral surface of whole bush body 11 fast evenly, the setting of a plurality of pits 13 also helps further enlarging leaf spring bush's oil reserve, leaf spring bush overall structure is simple, convenient to use, the practicality is stronger.
It should be noted that the structures of the oil storage tank 12 and the oil guide passage 14 are not particularly limited as long as the oil storage tank 12 can perform an oil storage function and the oil guide passage 14 can guide the lubricating oil in the oil storage tank 12 into at least a part of the concave pit 13.
It should be further noted that the oil guiding passage 14 in the present application communicates with the oil storage tank 12 and at least a part of the pockets 13, in other words, the oil guiding passage 14 may connect all the pockets 13 through to communicate all the pockets 13 with the oil storage tank 12, so that the lubricating oil injected into the oil storage tank 12 flows into all the pockets 13 along the oil guiding passage 14. In addition, since a certain amount of clearance is usually left between the bushing body 11 and the leaf spring pin, as shown in fig. 3 and 4, the oil guide channel 14 may also penetrate through only a part of the concave pits 13, and the concave pits 13 which are not connected by the oil guide channel 14 may allow the lubricating oil in the oil storage tank 12 to be oiled into the concave pits 13 through the gap between the bushing and the leaf spring pin 3 under the oiling pressure.
As a preferred embodiment of the present application, as shown in fig. 3 and 4, the oil reservoir 12 may be provided as an annular oil reservoir extending in the circumferential direction of the inner wall of the liner main body 11.
As will be understood by those skilled in the art, by providing the oil reservoir 12 as an annular structure extending in the circumferential direction of the inner wall of the bushing body 11, the lubricating oil can rapidly flow and be distributed to the entire inner periphery of the bushing body 11 along the oil reservoir 12 during oil injection, as compared to providing the oil reservoir as a straight groove extending in the axial direction of the bushing body, thereby facilitating the distribution of the lubricating oil from the oil reservoir 12 to the entire inner wall surface of the bushing body 11, and the oil reservoir 12 of an annular structure also reduces the possibility of leakage of the lubricating oil.
Further preferably, as shown in fig. 3 and 4, the oil reservoir 12 may be provided at a central position of the axial length of the liner main body 11.
It can be understood by those skilled in the art that when the oil storage groove 12 is disposed at the center of the axial length of the bushing body 11, the dimples 13 are symmetrically distributed on both sides of the oil storage groove 12, and when lubricating oil is injected into the oil storage groove 12, the lubricating oil can be uniformly distributed on both sides of the oil storage groove 12, which helps to improve the uniformity of the distribution of the lubricating oil in the bushing body 11, and further helps to improve the lubricating effect.
Further preferably, as shown in fig. 3 and 4, the bushing body 11 may be provided with a plurality of oil guide passages 14, and the plurality of oil guide passages 14 are symmetrically arranged at both sides of the oil reservoir 12.
It can be understood by those skilled in the art that the oil guide channels 14 are symmetrically arranged on two sides of the oil storage tank 12, so as to further contribute to uniformity of distribution of the lubricating oil in the oil storage tank 12 to the pits 13, thereby improving the lubricating effect.
As for the structure of the oil guide passage 14, any one of the following embodiments may be employed:
example 1: as shown in fig. 4, the oil guide passage 14 extends spirally along the inner wall of the liner main body 11.
Example 2: although not shown in the drawings, the oil guide passage 14 may be provided as a straight passage extending in the axial direction of the liner main body 11.
As a preferred embodiment of the present application, as shown in fig. 1 and 2, the bushing body 11 may have a seam 15 penetrating the top and bottom ends of the sidewall thereof, the provision of the seam 15 improves the elastic deformation capability of the bushing body 11, and the installation of the leaf spring pin is facilitated by the opening and closing degree of the seam 15.
It should be noted that the structure of the seam 15 is not specifically limited in the present application, and any one of the following embodiments may be adopted:
example 1: the seam 15 may be provided in a helical configuration, as shown in figure 1.
Example 2: it is also possible to make the seam 15 in a Z-shaped configuration, as shown in fig. 5.
It can be understood by those skilled in the art that, no matter the seam 15 of the bushing body 11 is in a spiral structure or a Z-shaped structure, the premature failure of the bushing due to the fact that the seam 15 is extruded and deformed due to stress concentration at the seam 15 when the leaf spring bushing is installed in the turned edge of the leaf spring (especially when the seam 15 is located at the bottom of the leaf spring bushing and serves as a stress point in contact with the turned edge) is avoided, and the service life of the leaf spring bushing is prolonged.
As a preferred embodiment of the present application, the bushing body 11 may be made of steel, and the inner wall of the bushing body 11 may be provided with a copper layer. The provision of the copper layer gives the leaf spring bushing a high wear and corrosion resistance.
In the automobile plate spring support assembly that this application provided, as shown in fig. 6, including support 2, install in the plate spring bush of support 2 and inlay in plate spring round pin axle 3 in the plate spring bush, the plate spring bush is as before the plate spring bush, plate spring round pin axle 3 is provided with oiling runner 31, oiling runner 31 have oil inlet 311 and with the oil-out 312 of oil storage tank 12 intercommunication.
Leaf spring round pin axle 3 is provided with oiling runner 31, and oiling runner 31 has oil inlet 311 and the oil-out 312 with oil storage tank 12 intercommunication for can be directly through oil inlet 311 oiling in to oil storage tank 12, need not carry out the dismouting and realize the oiling to leaf spring round pin axle 3, convenient operation, swift. After the oil is filled, the oil inlet 311 can be sealed by the sealing plug 32.
In addition, because the automobile leaf spring support assembly that this application provided includes the leaf spring bush in any one above-mentioned embodiment, consequently, the beneficial effect that the leaf spring bush has all is that the automobile leaf spring support assembly that this application provided contains, does not describe here any more.
Where not mentioned in this application, can be accomplished using or referencing existing technology.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a leaf spring bush, is including the bush body that is tubular structure, its characterized in that, the inner wall of bush body is provided with the oil storage tank, a plurality of pit has evenly been arranged to the inner wall of bush body, the inner wall of bush body still is provided with the intercommunication oil storage tank and at least part the oil guide channel of pit.
2. A leaf spring bushing according to claim 1,
the oil storage groove is an annular oil storage groove extending along the circumferential direction of the inner wall of the bushing body.
3. A leaf spring bushing according to claim 2,
the oil storage groove is arranged at the center of the axial length of the bushing body.
4. A leaf spring bushing according to claim 3,
the bush body is equipped with a plurality ofly lead oil duct, it is a plurality of lead oil duct symmetric arrangement in the both sides of oil storage tank.
5. A leaf spring bushing according to claim 4,
the oil guide channel extends spirally along the inner wall of the bushing body.
6. A leaf spring bushing according to claim 4,
the oil guide passage is a straight passage extending in the axial direction of the bushing body.
7. A leaf spring bushing according to claim 1,
the liner sleeve body is provided with a seam penetrating through the top end and the bottom end of the side wall of the liner sleeve body, and the seam is of a spiral structure.
8. A leaf spring bushing according to claim 1,
the liner sleeve body has a seam extending through the top and bottom ends of its sidewall, the seam being in a Z-shaped configuration.
9. A leaf spring bushing according to claim 1,
the bushing body is of a steel structure, and a copper layer is arranged on the inner wall of the bushing body.
10. An automobile plate spring support assembly comprises a support, a plate spring bushing mounted on the support and a plate spring pin embedded in the plate spring bushing, and is characterized in that the plate spring bushing is the plate spring bushing according to any one of claims 1 to 9, the plate spring pin is provided with an oil injection flow channel, and the oil injection flow channel is provided with an oil inlet and an oil outlet communicated with an oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220471848.2U CN216922982U (en) | 2022-03-03 | 2022-03-03 | Plate spring bush and automobile plate spring support assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220471848.2U CN216922982U (en) | 2022-03-03 | 2022-03-03 | Plate spring bush and automobile plate spring support assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922982U true CN216922982U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220471848.2U Active CN216922982U (en) | 2022-03-03 | 2022-03-03 | Plate spring bush and automobile plate spring support assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922982U (en) |
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- 2022-03-03 CN CN202220471848.2U patent/CN216922982U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.99 Fushan Road, Laiyang Economic Development Zone, Yantai City, Shandong Province Patentee after: Weichai New Energy Commercial Vehicle Co.,Ltd. Address before: No.99 Fushan Road, Laiyang Economic Development Zone, Yantai City, Shandong Province Patentee before: Shandong Automobile Manufacturing Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |