CN211599377U - Composite parallel arc spring for automobile - Google Patents
Composite parallel arc spring for automobile Download PDFInfo
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- CN211599377U CN211599377U CN201922227883.0U CN201922227883U CN211599377U CN 211599377 U CN211599377 U CN 211599377U CN 201922227883 U CN201922227883 U CN 201922227883U CN 211599377 U CN211599377 U CN 211599377U
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Abstract
The utility model provides a compound parallelly connected solitary spring for car. It has solved current technical problem. This compound parallelly connected solitary spring for car, include two and pile up the leaf spring body that forms from top to bottom by a plurality of arc spring pieces, the both ends of leaf spring body respectively link firmly a slide respectively, the both ends of leaf spring body still respectively be equipped with a mount pad, slide bottom side integrated into one piece have T shape seat, every slide all through T shape seat sliding connection on the mount pad, just mount pad and T shape seat between be equipped with slip elastic support subassembly, and after the arc top atress of leaf spring body, the slide axial slip on the mount pad, just the arc length of arc spring piece from last to reducing down in proper order, the both sides of leaf spring body still be equipped with articulated connection fixed subassembly. The utility model has the advantages of good anti-attenuation capability, long service life and the like.
Description
Technical Field
The utility model belongs to the technical field of the spring, especially, relate to a compound parallelly connected solitary spring for car.
Background
The automobile plate spring is the most traditional elastic element in an automobile suspension system, and is widely applied due to the advantages of good reliability, simple structure, short manufacturing process flow, low cost, greatly simplified structure and the like. The automobile plate spring is generally a group of spring beams with similar equal strength, which are formed by combining a plurality of alloy spring steels with different lengths. When the plate spring is stressed, the self elasticity of the plate spring is utilized to achieve the effect of buffering pressure. Most of the existing plate springs are directly connected with connecting pieces at two ends, do not have buffer structures, and have poor elasticity, poor attenuation resistance and short service life after long-time use.
In response to this problem, research and study have been conducted in long-term production and living practices, and for example, chinese utility model patent discloses a novel automobile plate spring [ application No.: CN201820150984.5], the novel automobile plate spring has a horizontal section extending horizontally, two positive bending sections and two negative bending sections; the novel automobile leaf spring comprises a first leaf spring, a second leaf spring and a third leaf spring, wherein the second leaf spring is attached to the lower surface of the first leaf spring, and the third leaf spring is attached to the lower surface of the second leaf spring; the first reed and the second reed are both provided with a horizontal section, a positive bending section and a negative bending section; the thickness of the positive bending section is gradually reduced from the horizontal section to the negative bending section, and the thickness of the negative bending section is gradually reduced from the positive bending section to the outer end of the negative bending section; and a lug curling part is arranged outside the negative bending section of the first reed.
The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: poor attenuation resistance and short service life.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a compound parallelly connected solitary spring for car that anti attenuation ability is good.
In order to achieve the above purpose, the utility model adopts the following technical proposal: this compound parallelly connected solitary spring for car, include two and pile up the leaf spring body that forms from top to bottom by a plurality of arc spring pieces, the both ends of leaf spring body respectively link firmly a slide respectively, the both ends of leaf spring body still respectively be equipped with a mount pad, slide bottom side integrated into one piece have T shape seat, every slide all through T shape seat sliding connection on the mount pad, just mount pad and T shape seat between be equipped with slip elastic support subassembly, and after the arc top atress of leaf spring body, the slide axial slip on the mount pad, just the arc length of arc spring piece from last to reducing down in proper order, the both sides of leaf spring body still be equipped with articulated connection fixed subassembly.
The two ends of the plate spring body are connected with the mounting seat through the sliding seats, when the arc top of the plate spring body is stressed, the two ends of the plate spring body are stressed and spread, the sliding seats axially slide on the mounting seat, and the pressure borne by the plate spring body can be shared, so that the service life of the plate spring body is prolonged, and the anti-attenuation performance of the plate spring body is improved; in addition, the sliding elastic supporting component can enable the sliding seat to have a supporting force when sliding, so that the sliding seat and the mounting seat are prevented from being impacted due to the fact that the instant stress is overlarge, the arc-shaped spring piece is connected with the fixing component through the hinged type, and the connection reliability of the arc-shaped spring piece can be improved.
In the composite parallel arc spring for the automobile, the number of the arc-shaped spring pieces is four, the arc-shaped spring pieces sequentially comprise a first spring piece, a second spring piece, a third spring piece and a fourth spring piece from top to bottom, the hinged connection fixing component comprises a first hinged plate, a second hinged plate and a third hinged plate, and two ends of the second hinged plate are hinged with the first hinged plate and the second hinged plate respectively. The first spring piece, the second spring piece, the third spring piece and the fourth spring piece are connected together through the first hinged plate, the second hinged plate and the third hinged plate respectively, and therefore structural stability of the plate spring body is improved.
In the composite parallel arc spring for the automobile, the first hinge plate is hinged to the first spring piece through the first hinge pin, the second hinge pin penetrates through the end, hinged to the first hinge plate, of the second hinge plate, the second hinge pin penetrates through the second spring piece, the third hinge pin penetrates through the end, hinged to the third hinge plate, of the second hinge plate, the third hinge pin penetrates through the third spring piece, and the other end of the third hinge plate is hinged to the fourth spring piece through the fourth hinge pin.
In the composite parallel arc spring for the automobile, the side parts of the first hinge plate, the second hinge plate and the third hinge plate are respectively provided with an arc-shaped groove, the inner ends of the first hinge pin, the second hinge pin, the third hinge pin and the fourth hinge pin respectively penetrate into the corresponding arc-shaped grooves, the inner ends of the first hinge pin, the second hinge pin, the third hinge pin and the fourth hinge pin are respectively screwed with a limiting nut capable of sliding in the arc-shaped grooves, and the diameter of the limiting nut is larger than the width of the arc-shaped grooves. Thereby the location of arc spring leaf is realized with the spacing nut looks spiro union in the arc wall respectively in the inner of first articulated pin, second articulated pin, third articulated pin, fourth articulated pin to after the leaf spring body atress, each articulated pin can produce the arc displacement in the arc wall, and each articulated board also produces the circumference and deflects this moment, consequently can realize the connection of each arc spring leaf fixed under the circumstances that does not influence the relaxation of leaf spring body.
In foretell car is with compound parallelly connected solitary spring, T shape seat inlay and establish again in the T shape slide on the mount pad, slip elastic support subassembly including setting up a plurality of compression spring in T shape slide, T shape seat keep away from the one end of leaf spring body and support with compression spring and lean on, compression spring's the other end support with T shape slide and lean on, just the slide have towards leaf spring body motion trend. The two ends of the compression spring act on the bottom sides of the T-shaped seat and the T-shaped slide rail respectively, and elastic assistance can be provided for returning of the slide seat after the plate spring body is not stressed, so that the returning efficiency of the plate spring body is improved.
In the composite parallel arc spring for the automobile, the first hinge plate, the second hinge plate and the third hinge plate are all made of metal materials.
In the composite parallel arc spring for the automobile, the sliding seat and the fourth spring piece are of an integrated structure. The structural strength is higher.
Compared with the prior art, this car is with compound parallelly connected solitary spring's advantage lies in: reasonable in design, after the leaf spring body atress, leaf spring body both ends atress struts, and the slide produces the endwise slip on the mount pad, can share the pressure that the leaf spring body received to the life of extension leaf spring body improves the anti decay performance of leaf spring body.
Drawings
FIG. 1 is a schematic structural view provided by the present invention;
fig. 2 is a schematic structural view of a bottom view angle provided by the present invention;
fig. 3 is a schematic structural diagram of a top view provided by the present invention;
FIG. 4 is a schematic view of the connection between the hinge-type connecting and fixing member and the arc-shaped spring plate according to the present invention;
fig. 5 is a schematic structural view of the slide and the mounting seat according to the present invention;
in the figure, the spring plate comprises an arc-shaped spring plate 1, a plate spring body 2, a sliding seat 3, a mounting seat 4, a T-shaped seat 5, a sliding elastic supporting assembly 6, a hinged connection fixing assembly 7, a first spring plate 8, a second spring plate 9, a third spring plate 10, a fourth spring plate 11, a first hinged plate 12, a second hinged plate 13, a third hinged plate 14, a first hinged pin 15, a second hinged pin 16, a third hinged pin 17, a fourth hinged pin 18, an arc-shaped groove 19, a limiting nut 20, a T-shaped slideway 21 and a compression spring 22.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, this compound parallelly connected solitary spring for car, including two and pile up leaf spring body 2 by a plurality of arc spring leaf 1 from top to bottom, the both ends of leaf spring body 2 respectively have linked firmly a slide 3 respectively, the both ends of leaf spring body 2 still respectively are equipped with a mount pad 4, 3 bottom side integrated into one piece of slide have T shape seat 5, every slide 3 all through T shape seat 5 sliding connection on mount pad 4, and be equipped with slip elastic support subassembly 6 between mount pad 4 and the T shape seat 5, and after the arc top atress of leaf spring body 2, slide 3 is axial slip on mount pad 4, and the arc length of arc spring leaf 1 reduces from last to down in proper order, the both sides of leaf spring body 2 still are equipped with articulated connection fixed subassembly 7.
The two ends of the plate spring body 2 are connected with the mounting seat 4 through the sliding seat 3, when the arc top of the plate spring body 2 is stressed, the two ends of the plate spring body 2 are stressed and spread, the sliding seat 3 axially slides on the mounting seat 4, and the pressure borne by the plate spring body 2 can be shared, so that the service life of the plate spring body 2 is prolonged, and the anti-attenuation performance of the plate spring body 2 is improved; in addition, the sliding elastic supporting component 6 can enable the sliding seat 3 to have a leaning force when sliding, so that the sliding seat 3 is prevented from being impacted with the mounting seat 4 due to the fact that the instantaneous force is too large, the arc-shaped spring piece 1 is connected through the hinged connection fixing component 7, and the connection reliability of the arc-shaped spring piece 1 can be improved.
Further, the number of the arc-shaped spring pieces 1 is four, the first spring piece 8, the second spring piece 9, the third spring piece 10 and the fourth spring piece 11 are arranged from top to bottom in sequence, the hinged connection fixing assembly 7 comprises a first hinged plate 12, a second hinged plate 13 and a third hinged plate 14, two ends of the second hinged plate 13 are hinged to the first hinged plate 12 and the second hinged plate 13 respectively, and the first spring piece 8, the second spring piece 9, the third spring piece 10 and the fourth spring piece 11 are connected together through the first hinged plate 12, the second hinged plate 13 and the third hinged plate 14 respectively, so that the structural stability of the plate spring body 2 is improved.
The first hinge plate 12 is hinged to the first spring plate 8 through a first hinge pin 15, a second hinge pin 16 penetrates through one end, hinged to the first hinge plate 12, of the second hinge plate 13, a third hinge pin 17 penetrates through one end, hinged to the third hinge plate 14, of the second hinge plate 13, the third hinge pin 17 penetrates through the third spring plate 10, and the other end of the third hinge plate 14 is hinged to the fourth spring plate 11 through a fourth hinge pin 18.
Furthermore, the side parts of the first hinge plate 12, the second hinge plate 13 and the third hinge plate 14 are respectively provided with an arc-shaped groove 19, the inner ends of the first hinge pin 15, the second hinge pin 16, the third hinge pin 17 and the fourth hinge pin 18 respectively penetrate into the corresponding arc-shaped grooves 19, the inner ends are in threaded connection with limit nuts 20 capable of sliding in the arc-shaped grooves 19, the diameter of each limit nut 20 is larger than the width of each arc-shaped groove 19, the inner ends of the first hinge pin 15, the second hinge pin 16, the third hinge pin 17 and the fourth hinge pin 18 are in threaded connection with the limit nuts 20 in the arc-shaped grooves 19 respectively to realize the positioning of the arc-shaped spring piece 1, and when the plate spring body 2 is stressed, each hinge pin can generate arc displacement in the arc-shaped groove 19, at this time, each hinge plate also deflects in the circumferential direction, so that the arc spring pieces 1 can be connected and fixed without affecting the relaxation of the leaf spring body 2.
In addition, the first hinge plate 12, the second hinge plate 13 and the third hinge plate 14 are all made of metal materials, and the sliding seat 3 and the fourth spring piece 11 are of an integrated structure and have higher structural strength.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the arc-shaped spring plate 1, the plate spring body 2, the sliding seat 3, the mounting seat 4, the T-shaped seat 5, the sliding elastic support assembly 6, the hinge type connection fixing assembly 7, the first spring plate 8, the second spring plate 9, the third spring plate 10, the fourth spring plate 11, the first hinge plate 12, the second hinge plate 13, the third hinge plate 14, the first hinge pin 15, the second hinge pin 16, the third hinge pin 17, the fourth hinge pin 18, the arc-shaped groove 19, the limit nut 20, the T-shaped slideway 21, the compression spring 22 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (7)
1. A composite parallel arc spring for an automobile comprises two plate spring bodies (2) formed by vertically stacking a plurality of arc spring pieces (1), it is characterized in that two ends of the plate spring body (2) are respectively fixedly connected with a sliding seat (3), two ends of the plate spring body (2) are respectively provided with a mounting seat (4), T-shaped seats (5) are integrally formed at the bottom sides of the sliding seats (3), each sliding seat (3) is connected to the mounting seat (4) in a sliding manner through the T-shaped seat (5), and a sliding elastic supporting component (6) is arranged between the mounting seat (4) and the T-shaped seat (5), and when the arc top of the plate spring body (2) is stressed, the sliding seat (3) axially slides on the mounting seat (4), and the arc length of the arc-shaped spring piece (1) is sequentially reduced from top to bottom, and hinged connection fixing components (7) are further arranged on two sides of the plate spring body (2).
2. The compound parallel arc spring for the automobile as claimed in claim 1, wherein the number of the arc-shaped spring pieces (1) is four, the spring pieces are a first spring piece (8), a second spring piece (9), a third spring piece (10) and a fourth spring piece (11) from top to bottom in sequence, the hinged connection fixing assembly (7) comprises a first hinged plate (12), a second hinged plate (13) and a third hinged plate (14), and two ends of the second hinged plate (13) are hinged with the first hinged plate (12) and the second hinged plate (13) respectively.
3. The composite parallel arc spring for the automobile as claimed in claim 2, wherein the first hinge plate (12) is hinged to the first spring plate (8) through a first hinge pin (15), a second hinge pin (16) is arranged at one end of the second hinge plate (13) hinged to the first hinge plate (12) in a penetrating manner, the second hinge pin (16) penetrates through the second spring plate (9), a third hinge pin (17) is arranged at one end of the second hinge plate (13) hinged to the third hinge plate (14) in a penetrating manner, the third hinge pin (17) penetrates through the third spring plate (10), and the other end of the third hinge plate (14) is hinged to the fourth spring plate (11) through a fourth hinge pin (18).
4. The composite parallel arc spring for the automobile according to claim 3, wherein arc-shaped grooves (19) are further formed in the side portions of the first hinge plate (12), the second hinge plate (13) and the third hinge plate (14), the inner ends of the first hinge pin (15), the second hinge pin (16), the third hinge pin (17) and the fourth hinge pin (18) penetrate into the corresponding arc-shaped grooves (19) respectively, limiting nuts (20) capable of sliding in the arc-shaped grooves (19) are connected to the inner ends in a threaded mode, and the diameter of the limiting nuts (20) is larger than the width of the arc-shaped grooves (19).
5. The automotive composite parallel arc spring as claimed in claim 1, wherein the T-shaped seat (5) is embedded in a T-shaped slideway (21) arranged on the mounting seat (4), the sliding elastic support assembly (6) comprises a plurality of compression springs (22) arranged in the T-shaped slideway (21), one end of the T-shaped seat (5) far away from the plate spring body (2) is abutted against the compression springs (22), the other end of the compression springs (22) is abutted against the T-shaped slideway (21), and the sliding seat (3) has a tendency of moving towards the plate spring body (2).
6. The compound parallel spring according to claim 2, wherein the first hinge plate (12), the second hinge plate (13) and the third hinge plate (14) are made of metal material.
7. The compound parallel arc spring for the automobile as claimed in claim 2, wherein the sliding seat (3) and the fourth spring plate (11) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922227883.0U CN211599377U (en) | 2019-12-12 | 2019-12-12 | Composite parallel arc spring for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922227883.0U CN211599377U (en) | 2019-12-12 | 2019-12-12 | Composite parallel arc spring for automobile |
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| Publication Number | Publication Date |
|---|---|
| CN211599377U true CN211599377U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922227883.0U Active CN211599377U (en) | 2019-12-12 | 2019-12-12 | Composite parallel arc spring for automobile |
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| CN (1) | CN211599377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476514A (en) * | 2022-03-07 | 2022-05-13 | 浙江永展自动化设备有限公司 | Elastic device |
| CN114476514B (en) * | 2022-03-07 | 2024-05-14 | 浙江永展自动化设备有限公司 | Elastic device |
-
2019
- 2019-12-12 CN CN201922227883.0U patent/CN211599377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476514A (en) * | 2022-03-07 | 2022-05-13 | 浙江永展自动化设备有限公司 | Elastic device |
| CN114476514B (en) * | 2022-03-07 | 2024-05-14 | 浙江永展自动化设备有限公司 | Elastic device |
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