CN213082841U - Composite bushing connecting device and plate spring assembly - Google Patents
Composite bushing connecting device and plate spring assembly Download PDFInfo
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- CN213082841U CN213082841U CN202022217582.2U CN202022217582U CN213082841U CN 213082841 U CN213082841 U CN 213082841U CN 202022217582 U CN202022217582 U CN 202022217582U CN 213082841 U CN213082841 U CN 213082841U
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- bushing
- composite bushing
- leaf spring
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- plate spring
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Abstract
A composite bushing connecting device and a plate spring assembly relate to the technical field of vehicle accessories. The composite bush connecting device is used for connecting a plate spring bracket and a plate spring and comprises a connecting piece, a composite bush and an adjusting piece; the connecting piece is used for connecting the first lug part and the second lug part; the composite bushing is sleeved on the connecting piece and used for connecting the plate spring with the connecting piece; the composite bushing is arranged between the first lug part and the second lug part; the adjusting piece is sleeved on the connecting piece and used for connecting the first lug part with the connecting piece; along the axial of connecting piece, the one end butt regulating part of compound bush, the other end is used for the butt second journal portion. The leaf spring assembly includes a composite bushing attachment arrangement. An object of the utility model is to provide a composite bushing connecting device and leaf spring assembly to solve the needs that exist among the prior art to a certain extent and regularly annotate lubricating grease, and the technical problem that fit clearance between leaf spring and the leaf spring support is difficult to control.
Description
Technical Field
The utility model relates to a vehicle accessory technical field particularly, relates to a composite bush connecting device and leaf spring assembly.
Background
A Leaf spring (Leaf spring), also called a Leaf spring, is a plate spring formed by stacking not less than 1 piece of spring steel. The plate spring is long circular arc spring steel with a rectangular cross section.
The automobile plate spring is very important, and has the functions of connecting a frame and an axle together in a suspension mode, bearing load impact of wheels on the frame, reducing violent vibration of an automobile body, and keeping the running stability of the automobile and the adaptability to different road conditions.
Traditional leaf spring bush is the steel bush, and the leaf spring rotates around the leaf spring round pin through the steel bush, need regularly for the leaf spring round pin annotate lubricating grease, has increased user's maintenance cost. The plate spring is connected with the plate spring support through the plate spring pin, and the plate spring is positioned between the first lug part and the second lug part; in this structure, the fitting clearance between the plate spring and the plate spring support is difficult to control, for example, if the fitting clearance between the plate spring and the plate spring support is too small, the plate spring and the plate spring support are difficult to assemble, and if the fitting clearance between the plate spring and the plate spring support is too large, abnormal noise is easily generated when the plate spring moves and hits the plate spring support, particularly when the plate spring is turned greatly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a composite bushing connecting device and leaf spring assembly to solve the needs that exist among the prior art to a certain extent and regularly annotate lubricating grease, and the technical problem that fit clearance between leaf spring and the leaf spring support is difficult to control.
In order to achieve the above object, the present invention provides the following technical solutions:
a composite bushing connecting device is used for connecting a plate spring support and a plate spring, wherein the plate spring support comprises a first lug part and a second lug part, and comprises a connecting piece, a composite bushing and an adjusting piece; the connecting piece is used for connecting the first lug part and the second lug part;
the composite bushing is sleeved on the connecting piece and used for connecting the plate spring and the connecting piece; the composite bushing is arranged between the first lug part and the second lug part;
the adjusting piece is sleeved on the connecting piece and used for connecting the first lug part with the connecting piece; along the axial of connecting piece, the one end butt of compound bush the regulating part, the other end is used for the butt the second props up ear.
In any of the above technical solutions, optionally, the composite bushing is used to be fixedly connected with the leaf spring, and the composite bushing is fixedly connected with the connecting member.
In any of the above claims, optionally, the composite liner comprises an outer liner, a flexible interlayer, and an inner liner; the flexible interlayer is fixedly arranged between the outer bushing and the inner bushing;
the outer bushing is tightly sleeved on the inner part of the plate spring, and the inner bushing is tightly sleeved on the outer part of the connecting piece;
the flexible interlayer is made of elastic materials.
In any of the above solutions, optionally, the length of the inner liner is greater than the length of the outer liner and the length of the flexible interlayer respectively along the axial direction of the composite liner.
In any of the above technical solutions, optionally, the connecting member includes a connecting rod portion and a connecting nut;
the composite bushing and the adjusting piece are respectively sleeved on the connecting rod part;
the head end of the connecting rod part is provided with a convex part; the bulge part is abutted against the adjusting piece, and the diameter of the bulge part is larger than that of the adjusting piece;
the tail end of the connecting rod part penetrates through the second lug part and is in threaded connection with the connecting nut.
In any of the above technical solutions, optionally, the connecting rod portion is a bolt.
In any of the above technical solutions, optionally, the adjusting member is a ring cylinder; and/or the adjusting piece is a steel sleeve, a copper sleeve or an iron sleeve.
In any of the above technical solutions, optionally, the adjusting member has a plurality of specifications; the lengths of the adjusting pieces with different specifications are different.
A leaf spring assembly comprises a leaf spring bracket, a leaf spring and a composite bushing connecting device;
the plate spring support and the plate spring are connected through the composite bushing connecting device.
In any of the above solutions, optionally, the leaf spring is clearance fitted with the leaf spring support;
the composite bushing is in clearance fit with the plate spring support;
along the axial of connecting piece, the length of regulating part is greater than the length of leaf spring support first lug portion.
The beneficial effects of the utility model mainly lie in:
the utility model provides a composite bushing connecting device and leaf spring subassembly, including connecting piece, composite bushing and regulating part, through adopting composite bushing to connect leaf spring and connecting piece to make composite bushing absorb the leaf spring that produces through the elastic deformation of self and around the reciprocal swing of connecting piece in the vehicle traveles, also be the reciprocal swing of leaf spring that composite bushing can suitably compensate the vehicle and produce in the traveles, avoided traditional steel bushing need annotate lubricating grease because of pivoting, reduced user's maintenance cost to a certain extent; through the first ear and the connecting piece that adopt regulating part to connect leaf spring support, and the one end butt regulating part of compound bush, the second ear of other end butt leaf spring support, accessible regulating part butt compound bush when the assembly, and then the butt leaf spring, the fit clearance requirement between leaf spring and the leaf spring support has greatly been reduced, be convenient for control the fit clearance between leaf spring and the leaf spring support, the abnormal sound that produces because of leaf spring drunkenness striking leaf spring support when turning to has been avoided, especially avoided turning to the abnormal sound that the leaf spring drunkenness produced by a wide margin.
In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a composite bushing connection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a composite bushing according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an adjusting member according to an embodiment of the present invention.
Icon: 1-a leaf spring support; 11-a first ear portion; 12-a second ear; 2-a plate spring; 3-a composite liner; 31-an outer liner; 32-a flexible interlayer; 33-inner liner; 4-a connector; 41-connecting rod part; 42-a coupling nut; 5-adjusting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Examples
Referring to fig. 1 to 3, the present embodiment provides a composite bushing connecting device, fig. 1 is a schematic structural view of the composite bushing connecting device according to the present invention, which is a cross-sectional view; fig. 2 is a schematic structural diagram of a composite bushing according to an embodiment of the present invention, which is a top view; fig. 3 is a schematic structural diagram of an adjusting member according to an embodiment of the present invention, and a cross-sectional view is shown in the diagram.
The present embodiment provides a composite bush connecting device for connecting a leaf spring support 1 and a leaf spring 2, in particular for connecting a leaf spring support 1 and a leaf spring 2 of a vehicle, for example, connecting a leaf spring support 1 and a leaf spring 2 of a heavy truck.
In this embodiment, the leaf spring support 1 comprises a first lug part 11 and a second lug part 12, and the leaf spring 2 is arranged between the first lug part 11 and the second lug part 12 by means of a composite bush connection. Optionally, the leaf spring support 1 is U-shaped.
Referring to fig. 1 to 3, the composite bushing connecting device includes a connecting member 4, a composite bushing 3, and an adjusting member 5; the connecting member 4 is used to connect the first lug part 11 and the second lug part 12 to connect the leaf spring 2 between the first lug part 11 and the second lug part 12.
The composite bush 3 is sleeved on the connecting piece 4, and the composite bush 3 is used for connecting the plate spring 2 with the connecting piece 4; namely, the connecting piece 4, the composite bush 3 and the plate spring 2 are arranged from inside to outside in sequence; the composite bushing 3 is arranged between the first lug part 11 and the second lug part 12; the plate spring 2 is connected with the connecting piece 4 through the composite bushing 3, and then is connected with the plate spring bracket 1 through the connecting piece 4, so that the plate spring 2 is arranged between the first lug part 11 and the second lug part 12; alternatively, the eye of the leaf spring 2 is disposed between the first and second ear parts 11, 12.
The adjusting piece 5 is sleeved on the connecting piece 4, and the adjusting piece 5 is used for connecting the first lug part 11 with the connecting piece 4; namely, the connecting piece 4, the adjusting piece 5 and the plate spring bracket 1 are arranged in sequence from inside to outside; in the axial direction of the connecting piece 4, one end of the composite bushing 3 abuts against the adjusting piece 5, and the other end is used for abutting against the second lug part 12.
The composite bushing connecting device in the embodiment comprises a connecting piece 4, a composite bushing 3 and an adjusting piece 5, wherein the composite bushing 3 is adopted to connect the plate spring 2 and the connecting piece 4, so that the composite bushing 3 absorbs the reciprocating swing of the plate spring 2 around the connecting piece 4 generated in the running process of a vehicle through the elastic deformation of the composite bushing 3, namely the composite bushing 3 can properly compensate the reciprocating swing of the plate spring 2 generated in the running process of the vehicle, the problem that the traditional steel bushing needs to be filled with lubricating grease due to the rotation around a shaft is avoided, and the maintenance cost of a user is reduced to a certain extent; through adopting regulating part 5 to connect the first ear portion 11 and the connecting piece 4 of leaf spring support 1, and the one end butt regulating part 5 of compound bush 3, the second ear portion 12 of other end butt leaf spring support 1, accessible regulating part 5 butt compound bush 3 when the assembly, and then butt leaf spring 2, greatly reduced the fit clearance requirement between leaf spring 2 and the leaf spring support 1, be convenient for control the fit clearance between leaf spring 2 and the leaf spring support 1, avoided the abnormal sound that produces because of leaf spring drunkenness striking leaf spring support when turning to, especially avoided turning to the abnormal sound that the leaf spring drunkenness produced by a wide margin.
With the continuous development of the heavy truck technology, users put higher requirements on the smoothness and comfort of the whole truck. In this embodiment the composite bushing connecting device, through the cooperation of composite bushing 3 and regulating part 5 to effectively weaken the vibration and the noise that the vehicle traveles in-process leaf spring 2 produced, improved the ride comfort and the travelling comfort of vehicle to a certain extent.
Referring to fig. 1, in an alternative of the present embodiment, a composite bushing 3 is used to be fixedly connected with a plate spring 2, and the composite bushing 3 is fixedly connected with a connecting piece 4; so that the composite bush 3 absorbs the reciprocating swing of the plate spring 2 around the connecting piece 4 generated during the running of the vehicle through the elastic deformation of the composite bush 3, the composite bush 3 can properly compensate the reciprocating swing of the plate spring 2 around the connecting piece 4, and the phenomenon that the composite bush 3 swings around the connecting piece 4 in a reciprocating way is basically avoided, so that the connecting piece 4 does not need to be filled with lubricating grease, and the maintenance cost of a user is reduced to a certain extent.
Referring to fig. 1 and 2, in an alternative to the present embodiment, composite liner 3 comprises an outer liner 31, a flexible sandwich 32 and an inner liner 33; a flexible interlayer 32 is fixedly arranged between the outer liner 31 and the inner liner 33.
The outer bush 31 is intended to be tightened against the inside of the leaf spring 2, and the inner bush 33 is tightened against the outside of the connecting piece 4. That is, the outer bush 31 is fixedly connected to the leaf spring 2, and the inner bush 33 is fixedly connected to the link 4.
Optionally, the flexible interlayer 32 is made of rubber or other materials.
Referring to fig. 1, in an alternative of the present embodiment, the length of the inner liner 33 is greater than the length of the outer liner 31 and the length of the flexible interlayer 32, respectively, in the axial direction of the composite liner 3. So that one end of the inner bushing 33 abuts against the adjusting member 5 and the other end of the inner bushing 33 is adapted to abut against the second lug portion 12, thereby facilitating assembly of the composite bushing coupling device and the leaf spring, facilitating elimination of the fit clearance between the leaf spring and the leaf spring holder. Wherein the axial direction of the composite bushing 3 is parallel to the axial direction of the connecting piece 4. Optionally, the axial direction of the composite bushing 3 coincides with the axial direction of the connection piece 4.
Referring to fig. 1, in an alternative of the present embodiment, the connection member 4 includes a connection rod portion 41 and a connection nut 42.
The composite bushing 3 and the adjusting member 5 are respectively sleeved on the connecting rod portion 41.
The head end of the connecting rod part 41 is provided with a convex part; the boss portion abuts against the adjusting member 5, and the diameter of the boss portion is larger than that of the adjusting member 5, so that the connecting rod portion 41 is better connected with the first lug portion 11 and the second lug portion 12 of the connecting member 4.
The tail end of the connection rod portion 41 passes through the second lug portion 12 and is screwed with the connection nut 42. The boss portion of the connection rod portion 41, the adjusting member 5, the composite bushing 3, the second lug portion 12, and the coupling nut 42 are connected in this order in the axial direction of the coupling member 4. The composite bushing connecting device is assembled in a detachable manner by the connecting rod portion 41 and the connecting nut 42, and the plate spring holder 1 and the plate spring 2 are connected.
In an alternative of this embodiment, the connecting rod portion 41 is a bolt. The bolt has standard components, wide sources and low price.
Alternatively, the connecting member 4 is made of stainless steel, cast steel or copper, or other materials.
In an alternative of this embodiment, the adjusting member 5 is in the form of an annular cylinder. Correspondingly, the first lug part 11 has a hole corresponding to the adjusting element 5. The adjustment member 5 may also have other shapes.
Optionally, the first lug portion 11 is an interference fit with the adjustment member 5.
In an alternative of this embodiment, the adjusting member 5 is a steel, copper or iron sleeve, or other sleeve.
In an alternative of this embodiment, the adjusting member 5 has a plurality of specifications; the adjusting members 5 of different sizes have different lengths so that the adjusting members 5 of different sizes can be selected according to the different clearances between the leaf spring support 1 and the leaf spring 2.
The embodiment also provides a plate spring assembly which comprises a plate spring bracket 1, a plate spring 2 and the composite bushing connecting device.
The plate spring support 1 and the plate spring 2 are connected by a composite bush connection. The plate spring assembly has the advantages of a composite bushing connecting device, for example, the composite bushing 3 can absorb the reciprocating swing of the plate spring 2 around the connecting piece 4 generated in the running process of a vehicle through the elastic deformation of the composite bushing, so that the problem that lubricating grease needs to be filled due to the rotation of a traditional steel bushing around a shaft is avoided, and the maintenance cost of a user is reduced to a certain extent; can also be when the assembly 5 butt composite bush 3 of accessible regulating part, and then butt leaf spring 2, greatly reduced the fit clearance requirement between leaf spring 2 and the leaf spring support 1, be convenient for control the fit clearance between leaf spring 2 and the leaf spring support 1, avoided the abnormal sound that produces because of leaf spring drunkenness striking leaf spring support when turning to, especially avoided turning to the abnormal sound that the leaf spring drunkenness produced by a wide margin.
Referring to fig. 1, in an alternative to the present embodiment, the leaf spring 2 is a clearance fit with the leaf spring support 1; that is, the distance between the first lug part 11 and the second lug part 12 in the axial direction of the link member 4 is larger than the length of the fitting portion of the plate spring 2, for example, the length of the eye of the plate spring 2. The plate spring 2 is in clearance fit with the plate spring support 1, so that the requirement of fit clearance between the plate spring 2 and the plate spring support 1 is reduced.
Referring to fig. 1, in an alternative to the present embodiment, the composite bushing 3 is a clearance fit with the leaf spring support 1; in order to facilitate the assembly of the composite bushing connection and to facilitate the connection of the leaf spring 2 with the leaf spring support 1.
Referring to fig. 1, in an alternative of the present embodiment, the length of the adjusting member 5 is greater than the length of the first lug part 11 of the leaf spring holder 1 in the axial direction of the connecting member 4; so that the adjusting piece 5 can abut against the composite bushing 3, and further the fit clearance between the plate spring 2 and the plate spring support 1 is convenient to control, and abnormal sound generated when the plate spring collides with the plate spring support due to the play of the plate spring during steering is avoided.
The leaf spring assembly provided by the embodiment comprises the composite bushing connecting device, the technical characteristics of the composite bushing connecting device disclosed in the above are also applicable to the leaf spring assembly, and the technical characteristics of the composite bushing connecting device disclosed in the above are not described repeatedly. The advantages of the composite bushing connection device disclosed above are provided to the leaf spring assembly in this embodiment, and the advantages of the composite bushing connection device disclosed above will not be described again.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A composite bushing connecting device is used for connecting a plate spring support (1) and a plate spring (2), wherein the plate spring support (1) comprises a first lug part (11) and a second lug part (12), and is characterized by comprising a connecting piece (4), a composite bushing (3) and an adjusting piece (5); the connecting piece (4) is used for connecting the first lug part (11) and the second lug part (12);
the composite bushing (3) is sleeved on the connecting piece (4) and is used for connecting the plate spring (2) with the connecting piece (4); the composite bushing (3) is arranged between the first lug part (11) and the second lug part (12);
the adjusting piece (5) is sleeved on the connecting piece (4) and is used for connecting the first lug part (11) with the connecting piece (4); along the axial of connecting piece (4), the one end butt of compound bush (3) regulating part (5), the other end is used for the butt second journal part (12).
2. The composite bushing connection device according to claim 1, characterized in that the composite bushing (3) is adapted to be fixedly connected to the leaf spring (2) and the composite bushing (3) is fixedly connected to the connecting piece (4).
3. A composite bushing connection device according to claim 1, characterized in that the composite bushing (3) comprises an outer bushing (31), a flexible sandwich (32) and an inner bushing (33); the flexible interlayer (32) is fixedly arranged between the outer bushing (31) and the inner bushing (33);
the outer bushing (31) is tightly sleeved on the inner part of the plate spring (2), and the inner bushing (33) is tightly sleeved on the outer part of the connecting piece (4);
the flexible interlayer (32) is made of elastic materials.
4. A composite bushing coupling arrangement according to claim 3, characterized in that the length of the inner bushing (33) in the axial direction of the composite bushing (3) is greater than the length of the outer bushing (31) and the length of the flexible sandwich layer (32), respectively.
5. A composite bushing coupling arrangement according to any one of claims 1-4, characterized in that the coupling piece (4) comprises a coupling shank (41) and a coupling nut (42);
the composite bushing (3) and the adjusting piece (5) are respectively sleeved on the connecting rod part (41);
the head end of the connecting rod part (41) is provided with a convex part; the bulge part abuts against the adjusting piece (5), and the diameter of the bulge part is larger than that of the adjusting piece (5);
the tail end of the connecting rod part (41) penetrates through the second lug part (12) and is in threaded connection with a connecting nut (42).
6. A composite bushing connection device according to claim 5, characterized in that the connection shank (41) is a bolt.
7. A composite bushing connection device according to any of claims 1-4, characterized in that the adjustment piece (5) is ring-cylindrical; and/or the adjusting piece (5) is a steel sleeve, a copper sleeve or an iron sleeve.
8. A composite bushing coupling arrangement according to any of claims 1-4, characterized in that the adjustment member (5) has a plurality of specifications; the lengths of the adjusting pieces (5) with different specifications are different.
9. A leaf spring assembly, characterized by comprising a leaf spring support (1), a leaf spring (2) and a composite bushing connection according to any of claims 1-8;
the plate spring support (1) and the plate spring (2) are connected through the composite bushing connecting device.
10. The leaf spring assembly according to claim 9, characterized in that the leaf spring (2) is clearance fitted with the leaf spring support (1);
the composite bushing (3) is in clearance fit with the plate spring support (1);
along the axial direction of connecting piece (4), the length of regulating part (5) is greater than the length of leaf spring support (1) first lug portion (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217582.2U CN213082841U (en) | 2020-09-30 | 2020-09-30 | Composite bushing connecting device and plate spring assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217582.2U CN213082841U (en) | 2020-09-30 | 2020-09-30 | Composite bushing connecting device and plate spring assembly |
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| Publication Number | Publication Date |
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| CN213082841U true CN213082841U (en) | 2021-04-30 |
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| CN202022217582.2U Active CN213082841U (en) | 2020-09-30 | 2020-09-30 | Composite bushing connecting device and plate spring assembly |
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| CN (1) | CN213082841U (en) |
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- 2020-09-30 CN CN202022217582.2U patent/CN213082841U/en active Active
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