CN209966815U - High-strength low-temperature-resistant plastic chair wheel structure - Google Patents
High-strength low-temperature-resistant plastic chair wheel structure Download PDFInfo
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- CN209966815U CN209966815U CN201920553306.8U CN201920553306U CN209966815U CN 209966815 U CN209966815 U CN 209966815U CN 201920553306 U CN201920553306 U CN 201920553306U CN 209966815 U CN209966815 U CN 209966815U
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Abstract
The utility model discloses a low temperature resistant plastic chair wheel structure of high strength, including the wheelset, mould fork group, the wheelset contains the chair wheel, moulds the frame and inlays inside the chair wheel, moulds to be equipped with the through-hole that runs through on the frame, is equipped with a steel bearing in the through-hole, all is equipped with a protruding peyline on steel bearing both sides, and the chair wheel is the silica gel material, moulds fork group and contains to mould the fork and mould the fork axle center, moulds to be equipped with a plurality of strengthening ribs on the fork, moulds bolted connection between fork group and the wheelset. The utility model has the advantages as follows: this chair wheel is the silica gel material, except that having good chemical stability, easy wear-resisting, and can be high temperature resistant, also low temperature resistant, on the other hand, this structural fork of moulding of chair wheel is equipped with the strengthening rib, has improved its intensity itself, and moulds fork group through setting up peilin, iron bearing and shock attenuation elastomer have improved the joint strength of itself, have also reduced the impact nature of outside strength to the wheelset, prevent its fracture under the low temperature condition.
Description
Technical Field
The utility model relates to a chair wheel field specifically is a low temperature resistant plastic chair wheel structure of high strength.
Background
The chair wheel comprises a movable chair wheel and a fixed caster, the movable chair wheel is also called a universal wheel, and the movable chair wheel is a common mechanism in life, so that the life of people is greatly facilitated. The existing chair wheel structure contains a metal structure and a plastic structure, however, the existing plastic chair wheel has poor structural strength, and because the plastic material is easy to crack and embrittle in a low-temperature environment, the plastic material often has a fracture phenomenon, which affects the use of the chair wheel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature resistant plastic chair wheel structure of high strength has solved the problem that proposes among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature resistant plastic chair wheel structure of high strength, includes the wheelset, moulds fork group, and the wheelset contains the chair wheel, moulds the frame and inlays inside the chair wheel, moulds to be equipped with the through-hole that runs through on the frame, is equipped with a steel bearing in the through-hole, all is equipped with a protruding afforestation on steel bearing both sides, and the chair wheel is the silica gel material, moulds fork group and contains to mould the fork and mould the fork axle center, moulds to be equipped with a plurality of strengthening ribs on the fork, moulds bolted connection between fork group and the wheelset.
As a preferred embodiment of the utility model, it is the U type form to mould the fork, and its middle part is a cylinder, and the cylinder both sides all are equipped with the lateral wall, and the lateral wall is bilateral symmetry along the cylinder axis and sets up, forms a cavity between the lateral wall, still is equipped with the connecting hole on the lateral wall.
As an embodiment of the present invention, the wheel set is embedded in the cavity, and the through hole of the wheel set and the connecting hole of the sidewall are connected to each other through a long bolt and a plurality of gaskets and nuts.
As the utility model discloses a preferred embodiment, the cylinder is inside to be run through, and its inside has inlayed one and has compressed tightly the bearing forest, compresses tightly the bearing forest and is symmetry setting from top to bottom along the cylinder axis, compresses tightly to be equipped with an iron sleeve pipe between the bearing forest, and still is equipped with a shock attenuation elastomer compressing tightly bearing forest upper portion.
As a preferred embodiment of the utility model, damping elastomer contains a rubber airbag, and rubber airbag is cylindricly, and its inside compressed air that is equipped with, and the outer wall is fixed by a circular steel sheet about the rubber airbag, and rubber airbag, circular steel sheet middle part all are equipped with the through hole.
As the utility model discloses a preferred embodiment moulds between fork and the damping elastomer through moulding fork axle center fixed connection, moulds the inside hexagonal fixed block that is equipped with of fork axle center, and the iron sleeve pipe is passed to the lower extreme of hexagonal fixed block, and the bottom is fixed by the nut.
As a preferred embodiment of the utility model, the hexagonal fixed block is located damping elastomer upper portion, and hexagonal fixed block upper end is equipped with the iron axle sleeve, and iron axle sleeve both ends all are equipped with axle center rubber sleeve, and moulds the top in fork axle center and fixed by the nut.
Compared with the prior art, the beneficial effects of the utility model are as follows: this chair wheel is the silica gel material, except that having good chemical stability, easy wear-resisting, and can be high temperature resistant, also low temperature resistant, on the other hand, this structural fork of moulding of chair wheel is equipped with the strengthening rib, has improved its intensity itself, and moulds fork group through setting up peilin, iron bearing and shock attenuation elastomer have improved the joint strength of itself, have also reduced the impact nature of outside strength to the wheelset, prevent its fracture under the low temperature condition.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is an overall structure diagram of a high-strength low-temperature resistant plastic chair wheel structure of the present invention;
FIG. 2 is a front view of a high-strength low-temperature resistant plastic chair wheel structure of the present invention;
FIG. 3 is a schematic diagram of the overall explosion of a high-strength low-temperature resistant plastic chair wheel structure of the present invention;
FIG. 4 is a schematic side view of a wheel set of a high-strength low-temperature resistant plastic chair wheel structure of the present invention;
FIG. 5 is an exploded view of a wheel set of a high strength, low temperature resistant plastic chair wheel structure;
FIG. 6 is a front cross-sectional view of a plastic fork of the high-strength low-temperature resistant plastic chair wheel structure of the present invention;
FIG. 7 is a front sectional view of the shock-absorbing elastic body of the high-strength low-temperature resistant plastic chair wheel structure of the present invention;
reference numerals: the wheel set 1, mould fork group 2, the wheel chair 3, mould frame 4, through-hole 5, steel bearing 6, protruding peyline 7, mould fork 8, mould fork axle center 9, cylinder 10, lateral wall 11, cavity 12, connecting hole 13, long bolt 14, compress tightly peyline 15, shock attenuation elastomer 16, rubber gasbag 17, circular steel sheet 18, hexagonal fixed block 19, iron sleeve 20, axle center rubber sleeve 21, iron axle sleeve 22, strengthening rib 23.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a low temperature resistant plastic chair wheel structure of high strength, includes wheelset 1, moulds fork group 2, and wheelset 1 contains chair wheel 3, moulds frame 4 and inlays in chair wheel 3 inside, and its upper surface is equipped with a plurality of strengthening ribs, is circumference equidistance along moulding frame 4 and arranges to improve the intensity of moulding frame itself. Mould and be equipped with the through-hole 5 that runs through on the frame 4, be equipped with a steel bearing 6 in the through-hole 5, all be equipped with a protruding peyline 7 on 6 both sides of steel bearing, through the setting of steel bearing 6 and protruding peyline 7, can further improve the intensity of moulding the frame, prevent that it from producing the fracture. The chair wheel 3 is silica gel material, moulds fork group 2 and contains to mould fork 8 and mould fork axle center 9, moulds to be equipped with a plurality of strengthening ribs 23 on the fork 8, moulds the bolted connection between fork group 2 and the wheelset 1. Silica gel is a high-activity adsorption material, belongs to amorphous substances, adopts a silica gel wheel, can enable the wheel set 1 to have good chemical stability and good wear resistance, and can resist high temperature and low temperature, be used in a very long temperature range and effectively prolong the service life.
The plastic fork 8 is in a U shape, the middle of the plastic fork is a cylinder 10, side walls 11 are arranged on two sides of the cylinder 10, the side walls 11 are arranged in a left-right symmetrical mode along the central axis of the cylinder 10, a cavity 12 is formed between the side walls 11, connecting holes 13 are further formed in the side walls 11, and the connecting holes 13 penetrate through the symmetrical side walls 11. The wheel set 1 is embedded in the cavity 12, and the through hole 5 on the wheel set 1 and the connecting hole 13 on the side wall 11 are connected into a whole through a long bolt 14 and a plurality of gaskets and nuts.
The cylinder 10 is inside to run through, and its inside has inlayed one and has compressed tightly banks 15, compresses tightly banks 15 and is symmetry setting from top to bottom along cylinder 10 axis, compresses tightly banks 15 and is a ceramic material, compresses tightly and is equipped with an iron sleeve pipe 20 between banks 15, and still is equipped with a damping elastomer 16 compressing tightly banks 11 upper portion, and damping elastomer 16 is located the outside of moulding fork 8. Set up in moulding fork 8 and compress tightly banks 15 and iron sleeve pipe 20, can be when moulding fork 8 rotation, play better supporting role, the coefficient of friction in the whole rotatory process has been reduced, and the gyration precision has been guaranteed, on the other hand has also improved whole mechanical strength who moulds fork 8, prevent to mould fork embrittlement under the low temperature condition and produce the phenomenon of rupture, secondly, ceramic material's bank weight is light and fast more, however, hardness is better, coefficient of friction is little, therefore it is more wear-resisting, the life who compresses tightly banks 15 itself has been improved.
The damping elastic body 16 comprises a rubber air bag 17, the rubber air bag 17 is cylindrical, compressed air is arranged in the rubber air bag 17, the upper outer wall and the lower outer wall of the rubber air bag 17 are fixed by a circular steel plate 18, and through holes are formed in the middle of the rubber air bag 17 and the circular steel plate 18. Utilize circular steel plate 18 and rubber air bag 17's zonulae occludens, can form a compressed air chamber, utilize the compressibility of air to realize the elastic action, can bear axial and radial load simultaneously, and can adjust different bearing capacity by oneself, for moulding fork 8 reduces outside impact force, prevent it because of the too big fracture that leads to of bearing to reach the shock attenuation effect, still have the function that gives sound insulation simultaneously.
The plastic fork 8 and the damping elastomer 16 are fixedly connected through a plastic fork shaft center 9, a hexagonal fixing block 19 is arranged in the middle of the plastic fork shaft center, the lower end of the hexagonal fixing block 19 penetrates through an iron sleeve 20, and the bottom end of the hexagonal fixing block is fixed by a nut.
The hexagonal fixing block 19 is located on the upper portion of the damping elastic body 16, an iron shaft sleeve 22 is arranged at the upper end of the hexagonal fixing block 19, shaft center rubber sleeves 21 are arranged at two ends of the iron shaft sleeve 22, the top end of the plastic fork shaft center 9 is fixed through a nut, and a plurality of gaskets are arranged on the contact portions of the shaft center rubber sleeves 21 and the iron shaft sleeve 22. The axle center rubber sleeve 21 and the iron axle sleeve 22 are arranged on the plastic fork axle center 9, so that the mechanical strength is further improved, in addition, the direct friction of the plastic fork axle center 9 in the rotation process is avoided due to the arrangement of the axle center rubber sleeve 21, and the service life is prolonged.
The utility model has the advantages as follows: this chair wheel is the silica gel material, except that having good chemical stability, easy wear-resisting, and can be high temperature resistant, also low temperature resistant, on the other hand, this structural fork of moulding of chair wheel is equipped with the strengthening rib, has improved its intensity itself, and moulds fork group through setting up peilin, iron bearing and shock attenuation elastomer have improved the joint strength of itself, have also reduced the impact nature of outside strength to the wheelset, prevent its fracture under the low temperature condition.
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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed or operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, "connected" may be a fixed connection, a removable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via media, or a communication between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a low temperature resistant plastic chair wheel structure of high strength which characterized in that: including wheelset (1), mould fork group (2), wheelset (1) contains chair wheel (3), moulds frame (4), mould frame (4) inlay in inside chair wheel (3), mould and be equipped with through-hole (5) that run through on frame (4), be equipped with a steel bearing (6) in through-hole (5) steel bearing (6) both sides all are equipped with a protruding peignin (7), chair wheel (3) are the silica gel material, mould fork group (2) contain and mould fork (8) and mould fork axle center (9), be equipped with a plurality of strengthening ribs (23) on moulding fork (8), mould fork group (2) with bolted connection between wheelset (1).
2. The high strength, low temperature resistant plastic chair wheel structure of claim 1, wherein: mould fork (8) and be U type form, its middle part is a cylinder (10), cylinder (10) both sides all are equipped with lateral wall (11), lateral wall (11) are followed cylinder (10) axis is bilateral symmetry and sets up, form a cavity (12) between lateral wall (11) still be equipped with connecting hole (13) on lateral wall (11).
3. The high-strength low-temperature resistant plastic chair wheel structure as claimed in claim 2, wherein: the wheel set (1) is embedded in the cavity (12), and the through hole (5) in the wheel set (1) and the connecting hole (13) in the side wall (11) are connected into a whole through a long bolt (14) and a plurality of gaskets and nuts.
4. The high strength, low temperature resistant plastic chair wheel structure of claim 3, wherein: the cylinder (10) is inside to be run through, and its inside has inlayed one and has compressed and banked up forest (15), compress tightly banked up forest (15) and follow cylinder (10) axis is symmetry setting from top to bottom, compress tightly to be equipped with an iron sleeve pipe (20) between banked up forest (15), just compress tightly banked up forest (15) upper portion and still be equipped with a shock attenuation elastomer (16).
5. The high strength, low temperature resistant plastic chair wheel structure of claim 4, wherein: damping elastomer (16) contain a rubber air bag (17), rubber air bag (17) are cylindricly, and its inside is equipped with compressed air, just outer wall is fixed by a circular steel sheet (18) about rubber air bag (17), circular steel sheet (18) middle part all is equipped with the through hole.
6. The high-strength low-temperature resistant plastic chair wheel structure as claimed in claim 5, wherein: mould fork (8) with pass through between damping elastomer (16) mould fork axle center (9) fixed connection, mould the middle part of fork axle center and be equipped with hexagonal fixed block (19), the lower extreme of hexagonal fixed block (19) passes iron sleeve pipe (20), the bottom is fixed by the nut.
7. The high strength, low temperature resistant plastic chair wheel structure of claim 6, wherein: hexagonal fixed block (19) are located damping elastomer (16) upper portion, hexagonal fixed block (19) upper end is equipped with iron axle sleeve (22), iron axle sleeve (22) both ends all are equipped with axle center rubber sleeve (21), just it is fixed by the nut to mould the top of fork axle center (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553306.8U CN209966815U (en) | 2019-04-23 | 2019-04-23 | High-strength low-temperature-resistant plastic chair wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553306.8U CN209966815U (en) | 2019-04-23 | 2019-04-23 | High-strength low-temperature-resistant plastic chair wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209966815U true CN209966815U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553306.8U Active CN209966815U (en) | 2019-04-23 | 2019-04-23 | High-strength low-temperature-resistant plastic chair wheel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209966815U (en) |
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- 2019-04-23 CN CN201920553306.8U patent/CN209966815U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221216 Address after: 313000 Anji Economic Development Zone Green Home Industrial Park, Anji County, Huzhou City, Zhejiang Province (ren Changhui, Xu Min housing) Patentee after: Zhejiang Yihui Intelligent Furniture Co.,Ltd. Address before: 313301 Building 3, Tangpu Industrial Park, Dipu Town, Anji County, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG ANJI HENGYUN FURNITURE CO.,LTD. |
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| TR01 | Transfer of patent right |