CN203979237U - Leaf spring fastening piece and leaf spring linkage structure - Google Patents
Leaf spring fastening piece and leaf spring linkage structure Download PDFInfo
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- CN203979237U CN203979237U CN201420410476.8U CN201420410476U CN203979237U CN 203979237 U CN203979237 U CN 203979237U CN 201420410476 U CN201420410476 U CN 201420410476U CN 203979237 U CN203979237 U CN 203979237U
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- leaf spring
- fixing device
- body structure
- polycrystalline substance
- hole
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Abstract
The utility model discloses a kind of leaf spring fastening piece and leaf spring linkage structure, comprise fixing device, described fixing device comprises the first fixing device and the second fixing device that are identical setting, described the first fixing device comprises lateral body structure and polycrystalline substance, and in lateral body structure, be provided with screens projection, described lateral body structure top is provided with positioning spiro pit, on polycrystalline substance, be provided with the positioning threads through hole vertical with horizontal plane, positioning spiro pit on the first fixation device side body structure and the corresponding connection of positioning threads through hole on the second fixing device polycrystalline substance, positioning spiro pit on the second fixation device side body structure and the corresponding connection of positioning threads through hole on the first fixing device polycrystalline substance, the first fixing device and the second fixing device are bolted formation closed figure.Described leaf spring body forms reverse pyramid by some leaf spring blade stacks.The utility model can effectively be avoided wearing and tearing between leaf spring blade, extends leaf spring working life.
Description
Technical field
The utility model relates to auto parts machinery technical field, especially relates to a kind of leaf spring fastening piece and leaf spring linkage structure.
Background technique
The tabular leaf spring that leaf spring is formed by leaf spring blade stack combinations, its working principle is to rely on the frictional force between plate and plate to have higher buffering and damping property, is widely used in the suspension system of automobile, tractor and rail truck.
The patent documentation that application number is 201120339245.9 in the market discloses a kind of steel plate spring for tramcar, comprise the spring leaf of mutual stack and the fixing-assembly of linking springs blade, the two ends of spring leaf are symmetrical arranged stiffening rib and groove, stiffening rib is arranged on bottom, the corresponding stiffening rib of groove is arranged on top, and the thickness attenuation gradually from inside to outside at the length spring leaf two end part of successively decreasing successively.But in use can there is following problem in this leaf spring: first, along with service time is longer, the increase along with friction number of times between leaf spring blade and leaf spring blade, gap between the two can increase gradually, comes off thereby easily cause between leaf spring blade and leaf spring blade.The second, in use, between leaf spring blade and leaf spring blade, wear and tear, thereby can have influence on the working life of leaf spring.In addition, leaf spring fastening piece effect is not in the past fine, and cargo vehicle all can overload conventionally, and on expressway, may occur bringing to a halt, so just larger to the pressure of leaf spring, more easily damages leaf spring.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of that be connected firmly, more durable leaf spring fastening piece and leaf spring linkage structure.
For achieving the above object, the utility model provides following technological scheme:
A kind of leaf spring fastening piece, comprise fixing device, described fixing device is L-type structure, described fixing device comprises the first fixing device and the second fixing device that are identical setting, described the first fixing device comprises lateral body structure and polycrystalline substance, and in lateral body structure, be provided with screens projection, described lateral body structure top is provided with positioning spiro pit, on polycrystalline substance, be provided with the positioning threads through hole vertical with horizontal plane, positioning spiro pit on the first fixation device side body structure and the corresponding connection of positioning threads through hole on the second fixing device polycrystalline substance, positioning spiro pit on the second fixation device side body structure and the corresponding connection of positioning threads through hole on the first fixing device polycrystalline substance, the first fixing device and the second fixing device are bolted formation closed figure.
It is in order to combine with through hole or groove on leaf spring blade that screens projection is set on fixation device side body region, after secure fit, can make fixing device be connected more closely, firm with leaf spring, prevent from being offset, coming off between leaf spring blade, thereby also make leaf spring more durable, extend working life.Certainly the first fixing device and the second fixing device can be arranged to small one and large one, as the lateral body structure length of a fixing device wherein and polycrystalline substance length are less than lateral body structure length and the polycrystalline substance length of another piece fixing device, wherein the shorter fixing device of lateral body structure length and polycrystalline substance length is provided with positioning spiro pit on the top of lateral body structure and polycrystalline substance, and the fixing device that lateral body structure length and polycrystalline substance length are grown is provided with the positioning threads through hole for matching with positioning spiro pit in its lateral body structure and polycrystalline substance correspondence.
Or on the lateral body structure of fixing device and polycrystalline substance, corresponding projection and groove are set, and connect as blockishness falcon, there is interaction force, so also can reach firm, stable object.Described screens projection can be arranged on separately in any fixing device.
Why make the first fixing device and the identical setting of the second fixing device, be not only for convenient for production, make especially all there is screens projection in the first fixing device and the second fixing device, like this can be more good to the fixation of leaf spring, more firm, stable, reliable, so be preferably the first fixing device and the identical production setting of the second fixing device.Certainly, screens projection can also be arranged to triangular structure, ladder structure of right angle etc.
The utility model is further set to: the one side that described adjacent two boards spring blade is relative forms and adapts to through hole or the groove that screens projection embeds, and described leaf spring blade pass is crossed fixing device and is fixedly connected with.
The one side that adjacent two boards spring blade is relative forms and adapts to through hole or the groove that screens projection embeds, make leaf spring combination between two, structure is more perfect, coordinates and more puts in place, make the screens projection in fixing device just insert through hole or the groove on leaf spring blade, the object achieving a fixed connection.Certainly, can multiple screens projections be set in fixing device, on leaf spring blade, be provided with corresponding through hole or groove simultaneously, or with in the second fixing device, corresponding projection and groove are set respectively in the first fixing device.
The utility model is further set to: described leaf spring blade has two ends, and end is wholely set and is useful on the fixed position that prevents that fixing device from coming off, described fixed position is the closed figure structure of hollow type.
Described fixed position is wholely set two ends at leaf spring blade, and fixing device is had to a locking effect, two outer ends of described leaf spring blade all extend to form extension part to leaf spring body neutral position arc, the semicircle that forms a hollow type, described extension part is walked around leaf spring fastening piece and is connected with described leaf spring blade.By adopting technique scheme, two outer end extension parts of leaf spring blade are all extended to leaf spring blade neutral position arc, and be fixedly installed on the leaf spring blade under bottom, thereby can be used for stopping that fixing device outwards moves by extension part, effectively avoid causing because of coming off of fixing device the phenomenon coming off between leaf spring blade.
The utility model is further set to: on the surface of contact of described leaf spring blade and leaf spring blade, be provided with the wearing layer being formed by emery.
By adopting technique scheme, diamond is commonly called as " spark ", the former body of the diamond that namely we often say, it is a kind of mineral that are made up of carbon, it is the allotropic modification of carbon, it is occurring in nature the hardest naturally occurring material, by being coated with emery on the surface of contact at leaf spring blade and leaf spring blade, so that form a hard wearing layer, thereby in the using process of leaf spring body, the infringement that can effectively avoid between leaf spring blade and leaf spring blade wearing and tearing occur and cause leaf spring, so that can have influence on the working life of leaf spring.
Brief description of the drawings
Fig. 1 is the utility model leaf spring fastening piece and leaf spring linkage structure the first specific embodiment structural drawing;
Fig. 2 is the structural representation of the first fixing device embodiment in Fig. 1;
Fig. 3 is the second fixing device embodiment's structural representation;
Fig. 4 is the third fixing device embodiment's structural representation;
Fig. 5 is the 4th kind of fixing device embodiment's structural representation.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model leaf spring fastening piece and leaf spring linkage structure embodiment are described further.
A kind of leaf spring fastening piece, comprise fixing device 2, described fixing device 2 is L-type structure, described fixing device 2 comprises the first fixing device 2.1 and the second fixing device 2.2 that are identical setting, comprise lateral body structure 2.11 and polycrystalline substance 2.12, and in lateral body structure 2.11, be provided with screens projection 2.111, described lateral body structure 2.11 tops are provided with positioning spiro pit 2.3, on polycrystalline substance 2.12, be provided with the positioning threads through hole 2.121 vertical with horizontal plane, and the positioning spiro pit 2.3 in the first fixing device 2.1 lateral body structures 2.11 and the corresponding connection of positioning threads through hole 2.221 on the second fixing device 2.2 polycrystalline substances 2.22, positioning spiro pit 2.4 in the second fixing device 2.2 lateral body structures 2.21 and the corresponding connection of positioning threads through hole 2.121 on the first fixing device 2.1 polycrystalline substances 2.12, the first fixing device 2.1 and the second fixing device 2.2 are connected to form closed figure by bolt 2.4.
On fixing device 2 lateral body positions, 2.11 screens projection 2.111 is set is in order to combine with through hole or groove 6 on leaf spring blade 1, after secure fit, can make fixing device 2 be connected more closely, firm with leaf spring, prevent from being offset, coming off between leaf spring blade 1, thereby also make leaf spring more durable, extend working life.Certainly the first fixing device 2.1 and the second fixing device 2.2 can be arranged to small one and large one, as figure tri-, lateral body structure 2.11 length of the first fixing device 2.1 and polycrystalline substance 2.12 length are less than lateral body structure 2.21 length and polycrystalline substance 2.22 length of the second fixing device 2.2, wherein the first fixing device 2.1 is provided with positioning spiro pit 2.3 on the top of lateral body structure 2.11 and polycrystalline substance 2.12, the second fixing device 2.2 is provided with the positioning threads through hole 2.221 for matching with positioning spiro pit 2.3 in its lateral body structure 2.21 and polycrystalline substance 2.22 correspondences.
Or in the first fixing device 2.1 and the second fixing device 2.2, corresponding projection and groove are set, and as Fig. 4, connect as blockishness falcon, there is interaction force, so also can reach firm, stable object.Described screens projection 2.111 can be arranged on separately in the first fixing device 2.1 or the second fixing device 2.2.
Why make the first fixing device 2.1 and the identical setting of the second fixing device 2.2, be not only for convenient for production, make especially all there is screens projection 2.111 in the first fixing device 2.1 and the second fixing device 2.2, like this can be more good to the fixation of leaf spring, more firm, stable, reliable, so be preferably the production setting identical with the second fixing device 2.2 of the first fixing device 2.1.Certainly, screens projection 2.111 can also be arranged to triangular structure, ladder structure of right angle etc.
Described leaf spring body is superposeed and is formed reverse pyramid by some leaf spring blades 1, described leaf spring body is uniformly distributed to neutral position and is provided with fixing device 2 by two ends, the one side that described adjacent two boards spring blade 1 is relative forms and adapts to through hole or the groove 6 that screens projection 2.111 embeds, and described leaf spring blade 1 is fixedly connected with by fixing device 2.
The one side that adjacent two boards spring blade 2 is relative forms and adapts to through hole or the groove 6 that screens projection 2.111 embeds, make leaf spring combination between two, structure is more perfect, coordinate and more put in place, make the screens projection 2.111 in fixing device 2 just insert through hole or the groove 6 on leaf spring blade 1, the object achieving a fixed connection.Certainly, can multiple screens projections 2.111 be set in fixing device 2, on leaf spring blade 1, be provided with corresponding through hole or groove 6 simultaneously, or with in the second fixing device 2.2, corresponding projection and groove are set respectively in the first fixing device 2.1.
Described leaf spring blade 1 has two ends, and end is wholely set and is useful on the fixed position 1.1 that prevents that fixing device 2 from coming off, and described fixed position 1.1 is the closed figure structure of hollow type.Described fixed position 1.1 is wholely set two ends at leaf spring blade 1, and fixing device 2 is had to a locking effect, two outer ends of described leaf spring blade 1 all extend to form extension part to leaf spring body neutral position arc, the semicircle that forms a hollow type, described extension part is walked around leaf spring fastening piece and is connected with described leaf spring blade 1.By adopting technique scheme, two outer end extension parts of leaf spring blade 1 are all extended to leaf spring blade 1 neutral position arc, and be fixedly installed on the leaf spring blade 1 under bottom, thereby can be used for stopping that fixing device 2 outwards moves by extension part, effectively avoid causing because of coming off of fixing device 2 phenomenon coming off between leaf spring blade 1.
On the surface of contact of described leaf spring blade and leaf spring blade 1, be provided with the wearing layer 6 being formed by emery.By adopting technique scheme, diamond is commonly called as " spark ", the former body of the diamond that namely we often say, it is a kind of mineral that are made up of carbon, it is the allotropic modification of carbon, it is occurring in nature the hardest naturally occurring material, by being coated with emery on the surface of contact at leaf spring blade 1 and leaf spring blade 1, so that form a hard wearing layer 6, thereby in the using process of leaf spring body, the infringement that can effectively avoid between leaf spring blade 1 and leaf spring blade 1 wearing and tearing occur and cause leaf spring, so that can have influence on the working life of leaf spring.
Below be only preferred implementation of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a leaf spring fastening piece, comprise fixing device, it is characterized in that: described fixing device is L-type structure, described fixing device comprises the first fixing device and the second fixing device that are identical setting, described the first fixing device comprises lateral body structure and polycrystalline substance, and in lateral body structure, be provided with screens projection, described lateral body structure top is provided with positioning spiro pit, on polycrystalline substance, be provided with the positioning threads through hole vertical with horizontal plane, positioning spiro pit on the first fixation device side body structure and the corresponding connection of positioning threads through hole on the second fixing device polycrystalline substance, positioning spiro pit on the second fixation device side body structure and the corresponding connection of positioning threads through hole on the first fixing device polycrystalline substance, the first fixing device and the second fixing device are bolted formation closed figure.
2. a leaf spring linkage structure, comprise leaf spring body and the leaf spring fastening piece as described in claim 1, described leaf spring body forms reverse pyramid by some leaf spring blade stacks, described leaf spring body is uniformly distributed and is provided with fixing device to neutral position by two ends, it is characterized in that: the one side that described adjacent two boards spring blade is relative forms and adapts to through hole or the groove that screens projection embeds, and described leaf spring blade pass is crossed fixing device and is fixedly connected with.
3. leaf spring linkage structure according to claim 2, is characterized in that: described leaf spring blade has two ends, and end is wholely set and is useful on the fixed position that prevents that fixing device from coming off, and described fixed position is the closed figure structure of hollow type.
4. according to a kind of leaf spring linkage structure described in claim 2 or 3, it is characterized in that: described leaf spring blade surface is provided with the wearing layer being formed by emery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410476.8U CN203979237U (en) | 2014-07-23 | 2014-07-23 | Leaf spring fastening piece and leaf spring linkage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410476.8U CN203979237U (en) | 2014-07-23 | 2014-07-23 | Leaf spring fastening piece and leaf spring linkage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979237U true CN203979237U (en) | 2014-12-03 |
Family
ID=51976684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420410476.8U Expired - Fee Related CN203979237U (en) | 2014-07-23 | 2014-07-23 | Leaf spring fastening piece and leaf spring linkage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113396304A (en) * | 2019-01-17 | 2021-09-14 | 西门子能源全球有限两合公司 | Combustion chamber |
| CN114700503A (en) * | 2022-03-26 | 2022-07-05 | 共享智能装备有限公司 | Positioning and lifting device and additive manufacturing equipment |
-
2014
- 2014-07-23 CN CN201420410476.8U patent/CN203979237U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113396304A (en) * | 2019-01-17 | 2021-09-14 | 西门子能源全球有限两合公司 | Combustion chamber |
| CN113396304B (en) * | 2019-01-17 | 2022-11-29 | 西门子能源全球有限两合公司 | Combustion chamber |
| US11821629B2 (en) | 2019-01-17 | 2023-11-21 | Siemens Energy Global GmbH & Co. KG | Combustion chamber |
| CN114700503A (en) * | 2022-03-26 | 2022-07-05 | 共享智能装备有限公司 | Positioning and lifting device and additive manufacturing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20180723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |