CN212827676U - Inflatable castor - Google Patents
Inflatable castor Download PDFInfo
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- CN212827676U CN212827676U CN202021409402.4U CN202021409402U CN212827676U CN 212827676 U CN212827676 U CN 212827676U CN 202021409402 U CN202021409402 U CN 202021409402U CN 212827676 U CN212827676 U CN 212827676U
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- wheel hub
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- caster
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Abstract
The utility model relates to the technical field of caster, in particular to an inflatable caster, which comprises a caster bracket and a wheel arranged at the lower part of the caster bracket, wherein the wheel is rotationally connected with a wheel shaft of the caster bracket through a bearing, the wheel comprises a wheel hub and an inflatable tire sleeved outside the wheel hub, the wheel hub comprises a left wheel hub body and a right wheel hub body which are symmetrically arranged, the left wheel hub body and the right wheel hub body are of an integrally formed structure, the right end surface of the left wheel hub body is jointed with the left end surface of the right wheel hub body and are fixedly connected through four penetrating fasteners, the left wheel hub body and the right wheel hub body are fixed through the fasteners to form an integral wheel hub, the manufacturing cost is lower, the installation is convenient, and the left wheel hub body and the right wheel hub body are of the same circumference size and are of the integrally formed structure, therefore, the centering performance is good, the eccentric deviation is small, the assembly error, is not easy to shake, and can lead the caster wheel to have better bearing performance and durability.
Description
Technical Field
The utility model relates to a truckle technical field specifically is inflatable truckle.
Background
The caster is a common mechanical hardware fitting, and it is widely applicable to the bottom that bears equipment (such as furniture, shallow, machining equipment, medical instrument) for conveniently bear the removal of equipment, and the wheel of traditional caster generally is solid wheel, and although some truckles also adopt pneumatic tire, the wheel hub that nevertheless corresponds all manufacturing cost is too high generally, or assembly error is great leads to bearing capacity or durability relatively poor easily, consequently all is not applicable to the wheel hub as the caster.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that exists among the prior art, the utility model aims to provide an inflatable truckle, this inflatable truckle's wheel hub not only manufacturing cost is lower, simple to operate moreover, because left wheel hub body and right wheel hub body are the same and homogeneous body fashioned structure of circumference size, consequently the centering nature is good, and eccentric deviation is little, and assembly error is little for wheel hub rotates more nimble in the same direction as smooth, is difficult for rocking, can make the truckle possess better bearing performance and durability.
The utility model discloses the task is realized through following technical scheme:
the inflatable caster comprises a caster bracket and wheels arranged at the lower part of the caster bracket, the wheels are rotationally connected with a wheel axle of the caster bracket through bearings, the wheel comprises a wheel hub and an inflatable tire sleeved outside the wheel hub, the wheel hub comprises a left wheel hub body and a right wheel hub body which are symmetrically arranged, the left wheel hub body and the right wheel hub body are of an integrally formed structure, the right end face of the left wheel hub body and the left end face of the right wheel hub body are attached to each other and fixedly connected through a plurality of penetrating fasteners, so that the left hub body and the right hub body are spliced to form the hub, the peripheries of the left hub body and the right hub body are spliced to form an annular mounting groove for mounting a pneumatic tire, the axle center of the left wheel hub body and the axle center of the right wheel hub body are respectively provided with a left half shaft sleeve and a right half shaft sleeve which correspond to each other, and the left half shaft sleeve and the right half shaft sleeve are connected in series and fixedly sleeved on the outer side of the bearing.
Preferably, the right end surface of the left hub body and the left end surface of the right hub body are further provided with at least one positioning hole corresponding in position and identical in shape, and the right end surface of the left hub body and the left end surface of the right hub body can be centered and positioned by matching with positioning pins in the shapes of the positioning holes.
Preferably, the positioning holes are circular holes, and the number of the positioning holes is at least two; or, the locating hole is the non-circular hole, and just quantity is at least one.
Preferably, the left hub body or the right hub body is provided with a through hole for passing through an inflation joint of the pneumatic tire.
Preferably, the top plate of the caster bracket is movably provided with a turntable assembly capable of horizontally rotating, the turntable assembly comprises an upper waveplate, a lower waveplate, a plurality of first balls, a plurality of second balls and a fixing piece, the top plate is provided with an annular connecting part, the connecting part is positioned between the upper wave plate and the lower wave plate, the lower surface of the upper wave plate and the upper surface of the connecting part are respectively and oppositely provided with a first annular groove and a second annular groove, the lower surface of the connecting part and the upper surface of the lower wave plate are respectively and oppositely provided with a third annular groove and a fourth annular groove, the sections of the first annular groove, the second annular groove, the third annular groove and the fourth annular groove are all in concave arc structures, the first ball is arranged between the first ring groove and the second ring groove, the second ball is arranged between the third ring groove and the fourth ring groove, the truckle support is connected with the carousel subassembly through first ball and second ball rotation, the mounting passes the perforation of ripples dish and lower ripples dish center perpendicularly in proper order and with the fastening of ripples dish and lower ripples dish together.
Preferably, the perforated edges of the upper wave plate and the lower wave plate are tightly attached together under the action of the fixing piece, the inner side wall of the perforated edge is tightly attached to the outer side wall of the fixing piece, the circumferential side wall of the upper end head of the fixing piece is abutted to the upper wave plate, and the circumferential side wall of the lower end head of the fixing piece is abutted to the lower wave plate.
Preferably, a plurality of waist-shaped grooves are formed in the periphery of the top plate, and the waist-shaped grooves are distributed along the circumferential direction.
Compared with the prior art, the utility model discloses inflatable truckle has following advantage: the hub comprises a left hub body and a right hub body which are symmetrically arranged, the left hub body and the right hub body are of an integrally formed structure, the right end face of the left hub body and the left end face of the right hub body are attached to each other and are fixedly connected through a plurality of penetrating fasteners, the left hub body and the right hub body are fixed through the fasteners to form an integral hub, and compared with the integral hub, the hub is low in manufacturing cost and convenient to install, the left hub body and the right hub body are of the same structure with the same circumference size and are of the same integrally formed structure, therefore, the centering performance is good, the eccentric deviation is small, the assembly error is small, the hub rotates more flexibly and smoothly, the wheel is not prone to shaking, and the caster can have better bearing performance and durability.
The conception, the specific structure and the effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic view of the inflatable caster of the present invention;
FIG. 2 is a schematic view of the hidden pneumatic tire of the inflatable caster of the present invention;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a sectional view of the inflatable caster of the present invention.
Wherein: the caster wheel support 1, the top plate 11, the annular connecting part 111, the wheel shaft 12, the bearing 13, the waist-shaped groove 14, the wheel 2, the pneumatic tire 21, the left hub body 22, the right hub body 23, the left half shaft sleeve 24, the right half shaft sleeve 25, the positioning hole 26, the pneumatic connector 27, the turntable assembly 3, the upper waveplate 31, the lower waveplate 32, the first ball 33, the second ball 34, the fixing piece 35, the through fastening piece 4 and the annular mounting groove 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element through intervening elements. Also, the terms "upper", "lower", "left", "right", "upper", "lower", "lateral", "vertical", and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1-4, the inflatable caster comprises a caster bracket 1 and a wheel 2 mounted at the lower part of the caster bracket 1, wherein the wheel 2 is rotatably connected with a wheel shaft 12 of the caster bracket 1 through a bearing 13, the wheel 2 comprises a wheel hub and an inflatable tire 21 sleeved outside the wheel hub, the wheel hub comprises a left hub body 22 and a right hub body 23 which are symmetrically arranged, the left hub body 22 and the right hub body 23 are both integrally formed, a right end surface of the left hub body 22 and a left end surface of the right hub body 23 are attached to each other and fixedly connected through four through fasteners 4, so that the left hub body 22 and the right hub body 23 are spliced to form the wheel hub, the peripheries of the left hub body 22 and the right hub body 23 are spliced to form an annular mounting groove 5 for mounting the inflatable tire 21, and corresponding left half shaft sleeve 24 and right half shaft sleeve 25 are further respectively arranged at the axial centers of the left hub body 22 and the right hub body 23, the left half shaft sleeve 24 and the right half shaft sleeve 25 are connected in series and fixedly sleeved on the outer side of the bearing 13. In the embodiment, the pneumatic tire 21 is arranged, so that the noise of the caster in the advancing process can be reduced, and the pneumatic tire 21 is low in cost and convenient to replace; the hub is divided into a left hub body 22 and a right hub body 23, and the left hub body 22 and the right hub body 23 are integrally formed; the left hub body 22 and the right hub body 23 are fixed through the penetrating fastener 4, so that the left hub body 22 and the right hub body 23 can be tightly attached together, and the hub shaking is prevented when the caster rotates; the peripheries of the left hub body 22 and the right hub body 23 are spliced to form an annular mounting groove 5, and the pneumatic tire 21 is mounted in the annular mounting groove 5, so that the pneumatic tire 21 can be protected and the pneumatic tire 21 can be prevented from being impacted by external force; this wheel hub of inflatable truckle, wheel hub is including the left wheel hub body and the right wheel hub body that the symmetry set up, left wheel hub body and right wheel hub body are integrated into one piece structure, the right-hand member face of left wheel hub body and the left end face of right wheel hub body laminate mutually and carry out fixed connection through four through fasteners, fix through the fastener to left wheel hub body and right wheel hub body and form whole wheel hub, compare with whole wheel hub, its manufacturing cost is lower, and simple to operate, because left wheel hub body and right wheel hub body are the same and the fashioned structure of homogeneous body of circumference size, consequently, centring nature is good, eccentric deviation is little, assembly error is little, make wheel hub rotate more nimble in the same direction as smooth, be difficult for rocking, can make the truckle possess better bearing performance and durability.
Two circular positioning holes 26 having the same shape and corresponding in position are further provided in the right end surface of the left hub body 22 and the left end surface of the right hub body 23, respectively, and the right end surface of the left hub body 22 and the left end surface of the right hub body 23 can be centered and positioned by positioning pins (not shown) that are fitted to the shapes of the positioning holes 26.
The left hub body 22 or the right hub body 23 is provided with a through hole for passing through an inflation connector 27 of the pneumatic tire 21, and the through hole is provided to be matched with the inflation connector 27 and to inflate the pneumatic tire 21.
The top plate of the caster bracket 1 is movably provided with a rotary table component 3 capable of horizontally rotating, the rotary table component 3 comprises an upper wave plate 31, a lower wave plate 32, a plurality of first balls 33, a plurality of second balls 34 and a fixing part 35, the top plate 11 of the caster bracket 1 is provided with an annular connecting part 111, the connecting part 111 is arranged between the upper wave plate 31 and the lower wave plate 32, the lower surface of the upper wave plate 31 and the upper surface of the connecting part 111 are respectively provided with a first annular groove and a second annular groove relatively, the lower surface of the connecting part 111 and the upper surface of the lower wave plate 32 are respectively provided with a third annular groove and a fourth annular groove relatively, the cross sections of the first annular groove, the second annular groove, the third annular groove and the fourth annular groove are both of concave arc structures, the connecting part 111 is provided with an oil injection joint used for lubricating the first balls 33 and used for injecting lubricating oil, and the first balls 33 are both arranged between, the second ball 34 is arranged between the third ring groove and the fourth ring groove, the caster wheel bracket 1 is rotatably connected with the turntable assembly 3 through the first ball 33 and the second ball 34, and the fixing piece 35 sequentially vertically penetrates through the through holes in the centers of the upper wave plate 31 and the lower wave plate 32 and fastens the upper wave plate 31 and the lower wave plate 32 together.
The perforated edges of the upper wave plate 31 and the lower wave plate 32 are tightly attached together under the action of the fixing member 35, the perforated inner side wall is tightly attached to the outer side wall of the fixing member 35, the upper end circumferential side wall of the fixing member 35 is abutted against the upper wave plate 31, and the lower end circumferential side wall of the fixing member 35 is abutted against the lower wave plate 32. This design makes wave disc 31 and wave disc 32 under and support each other in circumference, and the both ends of mounting 35 respectively with wave disc 31, wave disc 32 under and radially support each other, and the lateral wall of mounting 35 respectively with wave disc 31, wave disc 32 under and radially support each other for the carousel subassembly 3 of truckle support 1 has excellent overall structure intensity, stability and bearing capacity.
The top plate 11 is provided with a plurality of waist-shaped grooves 14 all around, and is a plurality of the waist-shaped grooves 14 are distributed along the circumferential direction, and the structure can effectively ensure the flexible installation and adjustment of the top plate and the structure placed on the top plate, so that the quick installation is realized, and the installation and maintenance time is reduced.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. Inflatable truckle, its characterized in that: the wheel comprises a caster bracket and a wheel arranged on the lower part of the caster bracket, wherein the wheel is rotationally connected with a wheel shaft of the caster bracket through a bearing, the wheel comprises a wheel hub and an inflatable tire arranged outside the wheel hub in a sleeved mode, the wheel hub comprises a left wheel hub body and a right wheel hub body which are symmetrically arranged, the left wheel hub body and the right wheel hub body are of an integrally formed structure, the right end face of the left wheel hub body and the left end face of the right wheel hub body are attached to each other and are fixedly connected through a plurality of penetrating fasteners, so that the left wheel hub body and the right wheel hub body are spliced to form the wheel hub, the peripheries of the left wheel hub body and the right wheel hub body are spliced to form an annular mounting groove for mounting the inflatable tire, corresponding left half shaft sleeves and right half shaft sleeves are further arranged at the axle centers of the left wheel hub body and the right wheel hub body respectively, and the left half shaft sleeves.
2. The inflatable caster wheel as claimed in claim 1, wherein the right end surface of the left hub body and the left end surface of the right hub body are further provided with at least one positioning hole corresponding to each other in position and having the same shape, and the right end surface of the left hub body and the left end surface of the right hub body can be centered and positioned by the positioning pin matching the shape of the positioning hole.
3. The inflatable caster of claim 2, wherein said locating holes are circular holes and are at least two in number; or, the locating hole is the non-circular hole, and just quantity is at least one.
4. The inflatable caster of claim 1, wherein said left hub body or said right hub body is provided with perforations for passing an inflation nipple of said pneumatic tire therethrough.
5. The inflatable caster wheel as claimed in claim 1, wherein the top plate of the caster wheel support is movably mounted with a rotating plate assembly capable of horizontally rotating, the rotating plate assembly comprises an upper wave plate, a lower wave plate, a plurality of first balls, a plurality of second balls and a fixing member, the top plate is provided with an annular connecting portion, the connecting portion is located between the upper wave plate and the lower wave plate, the lower surface of the upper wave plate and the upper surface of the connecting portion are respectively and oppositely provided with a first annular groove and a second annular groove, the lower surface of the connecting portion and the upper surface of the lower wave plate are respectively and oppositely provided with a third annular groove and a fourth annular groove, the cross sections of the first annular groove, the second annular groove, the third annular groove and the fourth annular groove are all concave arc structures, the first balls are arranged between the first annular groove and the second annular groove, the second balls are arranged between the third annular groove and the fourth annular groove, the caster wheel support and the rotating plate assembly are rotatably connected through, the fixing piece penetrates through the through holes in the centers of the upper wave plate and the lower wave plate in sequence and fastens the upper wave plate and the lower wave plate together.
6. The inflatable caster of claim 5, wherein the perforated edges of the upper and lower wave plates are tightly attached to each other by the fastener, the inner side wall of the perforated wall is tightly attached to the outer side wall of the fastener, the upper end circumferential side wall of the fastener is abutted to the upper wave plate, and the lower end circumferential side wall of the fastener is abutted to the lower wave plate.
7. The inflatable caster wheel as claimed in claim 5, wherein a plurality of the waist-shaped grooves are formed around the top plate and distributed along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021409402.4U CN212827676U (en) | 2020-07-16 | 2020-07-16 | Inflatable castor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021409402.4U CN212827676U (en) | 2020-07-16 | 2020-07-16 | Inflatable castor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212827676U true CN212827676U (en) | 2021-03-30 |
Family
ID=75117644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021409402.4U Active CN212827676U (en) | 2020-07-16 | 2020-07-16 | Inflatable castor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212827676U (en) |
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2020
- 2020-07-16 CN CN202021409402.4U patent/CN212827676U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: No.1, Lifeng Road, Conghua Pearl Industrial Park, Guangzhou, Guangdong 510931 Patentee after: Guangzhou Xinxing Metal Co.,Ltd. Address before: No.1, Lifeng Road, Conghua Pearl Industrial Park, Guangzhou, Guangdong 510931 Patentee before: Guangzhou Conghua Xinxing metal (Caster) products Co.,Ltd. |