CN217355361U - Threaded connection structure of heavy-duty vehicle dust cover - Google Patents
Threaded connection structure of heavy-duty vehicle dust cover Download PDFInfo
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- CN217355361U CN217355361U CN202220687206.6U CN202220687206U CN217355361U CN 217355361 U CN217355361 U CN 217355361U CN 202220687206 U CN202220687206 U CN 202220687206U CN 217355361 U CN217355361 U CN 217355361U
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- dust cover
- dust
- piston rod
- threaded connection
- cover
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Abstract
The utility model discloses a threaded connection structure of heavy duty dust cover, which comprises an upper connecting ring component, a dust cover and a piston rod, wherein the end of the piston rod is provided with a threaded installation section with a diameter smaller than that of a front section, the dust cover is installed on the threaded installation section firstly, and then the dust cover is pressed tightly on a step formed between the threaded installation section of the piston rod and the front section by using the upper connecting ring component; carry out the bodiness to dust cover, the screw thread is longer more inseparabler with the piston rod cooperation, and increase thickness can increase the ability of the lid anti-deformation of dust cover.
Description
Technical Field
The utility model belongs to the technical field of the dustproof shroud of heavy duty car, concretely relates to dustproof shroud threaded connection structure of heavy duty car.
Background
The shock absorber is arranged in a suspension system of most automobiles, is also called as suspension and consists of a shock absorbing spring and the shock absorber, can be in continuous compression and stretching processes during working, and is assembled on a piston rod as a part of a cab spring shock absorber. The main structure defects are as follows: the hydraulic lock seat is matched with the piston rod in a clearance fit mode, and after loading, the hydraulic lock seat is inclined due to uneven stress, so that the hydraulic lock seat cannot work normally.
The inventor finds that the prior arts have at least the following technical problems in the practical use process:
the existing dustproof cover cap of the shock absorber is matched with a dustproof cover and a spring at one end, the other end of the dustproof cover cap is pressed by an upper connecting ring assembly, and when the structure is compressed, because the inner hole of the dustproof cover cap is matched with a piston rod to form a clearance fit structure, the phenomenon of deflection is easily caused due to uneven stress during working, so that the deformation phenomenon of the dustproof cover cap is caused, and the service life of a product is shortened.
Disclosure of Invention
In order to overcome the defects, the inventor of the utility model continuously reforms and innovates through long-term exploration and trial and multiple experiments and endeavors, and provides a heavy duty dust-proof cover cap threaded connection structure, which changes an inner circular hole of the dust-proof cover cap into a threaded structure on the original structure, and assembles the dust-proof cover cap with the thread of the piston rod to ensure that the dust-proof cover cap is not inclined after being assembled with the piston rod; carry out the bodiness to dust cover, the screw thread is longer more inseparabler with the piston rod cooperation, and increase thickness can increase the ability of the lid anti-deformation of dust cover.
In order to realize the purpose, the utility model adopts the technical proposal that: a threaded connection structure for a dust cap of a heavy vehicle is provided. The dustproof cover cap comprises an upper connecting ring assembly, a dustproof cover cap and a piston rod, wherein the tail end of the piston rod is provided with a thread mounting section with the diameter smaller than that of the front section, the dustproof cover cap is mounted on the thread mounting section firstly, and then the dustproof cover cap is pressed on a step formed between the thread mounting section and the front section of the piston rod through the connecting ring assembly.
According to a heavily car shield cap threaded connection structure, its further preferred technical scheme is: the middle of the front surface of the dust cover is provided with a bulge, the outer side of the front surface of the dust cover and the bulge form a step surface for mounting a dust cover together, and the dust cover is limited on the step surface.
According to a heavily car shield cap threaded connection structure, its further preferred technical scheme is: the rear surface of the dust-proof cover is provided with a groove, the position of the groove corresponds to the position of the protrusion, and the weak part formed by the groove is used for the front and rear square deformation of the dust-proof cover.
According to a heavily car shield cap threaded connection structure, its further preferred technical scheme is: the depth of the groove is 3.4 mm.
According to a heavily car shield cap threaded connection structure, its further preferred technical scheme is: the dustproof cover cap is in a circular ring shape, threads matched with the thread mounting section are arranged in the inner hole, and the inner threads of the dustproof cover cap are tightly matched with the threads at the tail end of the piston rod.
According to a heavily car shield cap threaded connection structure, its further preferred technical scheme is: the thickness of dust cover is 8 mm.
Compared with the prior art, the technical scheme of the utility model have following advantage beneficial effect:
1. the invention mainly aims to solve the problem that the spring shock absorber in the cab restrains the torque transmitted by the hydraulic lock base, ensure the linear installation of the shock absorber and ensure the normal work of the hydraulic lock base. The inner circular hole of the dustproof cover cap on the original structure is changed into a thread structure, and the dustproof cover cap is assembled with the piston rod in a thread mode, so that the dustproof cover cap is not inclined after being assembled with the piston rod; carry out the bodiness to dust cover, the screw thread is longer more inseparabler with the piston rod cooperation, and increase thickness can increase the ability of the lid anti-deformation of dust cover.
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 view of the threaded connection structure of the dust-proof cover cap of the heavy vehicle of the present invention.
The labels in the figure are respectively: 1. the upper connecting ring assembly 2, the dust cover 201, the groove 202, the protrusion 203, the step surface 3, the piston rod 301, the threaded mounting section 4, the threads 5, the spring 6 and the dust cover.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments 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 may not be further defined and explained in subsequent figures.
Example (b):
as shown in fig. 1, a threaded connection structure of a dust cap for heavy vehicles. It includes go up go-between subassembly 1, dust cover 2, piston rod 3, 3 ends of piston rod are provided with the screw thread installation section 301 that the diameter is less than the anterior segment, install dust cover 2 earlier on screw thread installation section 301, recycle go-between subassembly and compress tightly dust cover 2 on the step that forms between 3 screw thread installation sections 301 of piston rod and anterior segment, install on the step, can restrict dust cover 2's displacement, simultaneously dust cover 2's hole sets up the screw thread and carries out inseparable cooperation with 3 screw thread installation sections 301 of piston rod, further realization dust cover 2 self installation's firm, realize not slope after dust cover 2 and the 3 assembly of piston rod.
A bulge 202 is arranged in the middle of the front surface of the dust cover 2, the outer side of the front surface of the dust cover 2 and the bulge 202 form a step surface 203 for installing a dust cover, and the dust cover 6 is limited on the step surface 203.
A groove 201 is formed in the rear surface of the dust cover 2, the position of the groove 201 corresponds to the position of the protrusion 202, and the groove 201 forms a weak point for deforming the front and rear squares of the dust cover 2.
The depth of the groove 201 is 3.4mm, and the depth of the groove 201 needs to be balanced with the strength and the deformation capacity of the dust cover 2, so that the service life is prolonged.
Dustproof cover 2 is the annular shape, is provided with in the hole with screw thread installation section 301 complex screw thread 4, the internal thread of dustproof cover 2 closely cooperates with the terminal screw thread of piston rod, guarantees that dustproof cover 2 does not incline with 3 post-assemblies of piston rod.
The thickness of the dust cover 2 is 8mm, and the thickness refers to the distance between the front surface and the rear surface of the dust cover 2 compared with the existing dust cover 2 with the thickness of about 4 mm. The dust cover 2 is thickened, the threads 4 are longer and are matched with the piston rod 3 more tightly, and the anti-deformation capacity of the dust cover can be improved by increasing the thickness.
A dust cover 6 is arranged on the step surface 203 of the dust cover 2, a spring 5 is arranged inside the dust cover 6, the spring 5 presses the dust cover on the dust cover 2, and simultaneously the dust cover 2 is pressed on the upper connecting ring assembly 1. The upper coupling ring assembly 1 actually includes coupling rings and weld nuts, etc., and will be described herein simply as an upper coupling assembly.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a heavy-duty car dust cover threaded connection structure, its characterized in that, it includes connecting ring subassembly, dust cover, piston rod, the piston rod end is provided with the screw thread installation section that the diameter is less than the anterior segment, installs dust cover earlier on the screw thread installation section, and the last connecting ring subassembly of reuse compresses tightly dust cover on the step that forms between piston rod screw thread installation section and anterior segment.
2. The threaded connection structure for a dust cover of a heavy vehicle as claimed in claim 1, wherein a protrusion is provided at the middle of the front surface of the dust cover, the outer side of the front surface of the dust cover and the protrusion together form a step surface for mounting the dust cover, and the step surface limits the dust cover to prevent the dust cover from moving radially.
3. The threaded connection for a dust boot cover of a heavy vehicle as set forth in claim 2, wherein a groove is provided on the rear surface of the dust boot cover, the groove being located at a position corresponding to the position of the projection, the groove forming a weak point for deformation of the front and rear squares of the dust boot cover.
4. The threaded connection for a heavy-duty truck dust cap as set forth in claim 3, wherein said groove has a depth of 3.4 mm.
5. The threaded connection structure for the dust cap of the heavy vehicle as claimed in claim 1, wherein the dust cap is circular, threads for engaging with the threaded mounting section are provided in the inner hole, and the inner threads of the dust cap are tightly engaged with the threads at the end of the piston rod.
6. The threaded connection for a dust cover of a heavy vehicle of claim 1, wherein the thickness of the dust cover is 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220687206.6U CN217355361U (en) | 2022-03-28 | 2022-03-28 | Threaded connection structure of heavy-duty vehicle dust cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220687206.6U CN217355361U (en) | 2022-03-28 | 2022-03-28 | Threaded connection structure of heavy-duty vehicle dust cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217355361U true CN217355361U (en) | 2022-09-02 |
Family
ID=83053470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220687206.6U Active CN217355361U (en) | 2022-03-28 | 2022-03-28 | Threaded connection structure of heavy-duty vehicle dust cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217355361U (en) |
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2022
- 2022-03-28 CN CN202220687206.6U patent/CN217355361U/en active Active
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