CN214578294U - Roller assembly - Google Patents
Roller assembly Download PDFInfo
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- CN214578294U CN214578294U CN202120352813.2U CN202120352813U CN214578294U CN 214578294 U CN214578294 U CN 214578294U CN 202120352813 U CN202120352813 U CN 202120352813U CN 214578294 U CN214578294 U CN 214578294U
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- sliding sleeve
- riveting
- positioning pin
- hole
- roller assembly
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Abstract
The utility model discloses a roller assembly, include: the sliding sleeve is internally provided with a first through hole which penetrates along the axial direction of the sliding sleeve, and the inner wall of the sliding sleeve, which forms the first through hole, is provided with a deformation part which extends inwards along the radial direction; the positioning pin penetrates through the first through hole, the positioning pin comprises a first riveting part and a second riveting part which are arranged at intervals along the axis direction, and an annular clamping groove is formed between the first riveting part and the second riveting part along the radial direction; the deformation part of the sliding sleeve can flow along the radial direction after the sliding sleeve and the positioning pin are riveted and clamped into the annular clamping groove, so that the positioning pin can rotate relative to the sliding sleeve. This wheel components exerts the effort through the mode of flat mould riveting to sliding sleeve or locating pin for sliding sleeve's inner wall forms deformation portion, in order the card to go into ring groove, realizes wheel components's installation promptly, simple structure, and the equipment is convenient, and the efficiency of workman's assembly is higher, and sliding sleeve wall thickness is even, non-deformable in the use has reduced use cost.
Description
Technical Field
The utility model relates to a machine-building technical field, specific is a wheel components.
Background
The roller assembly is generally assembled by a plurality of sub-assemblies, can provide larger side load and push-out force during rolling, and can be used for household appliances, cabinets or cabinets and the like. Patent of application number CN201821928166.X discloses a self-clinching roller assembly, including locating pin, rolling sleeve and connecting seat, establish the rolling sleeve cover earlier outside the locating pin, insert the first riveting of locating pin downthehole in the first riveting of connecting seat again, use the riveting instrument with the first riveting of locating pin and the first riveting of connecting seat accomplish the riveting, connect the back rolling sleeve limit between locating pin and connecting seat and can rotate around the locating pin, the equipment is accomplished to single subassembly. The self-clinching roller assembly has the following disadvantages: three sub-parts are required for assembly, the assembly precision requirement is high, the manufacturing requirement is also high, and the production and assembly efficiency is reduced; and the wall thickness of the roller is uneven, so that deformation and failure in use are easily caused, and the use cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides a wheel components, it is used for solving wheel components installation complicacy, inefficiency, yielding problem.
The embodiment of the application discloses a roller component, this roller component only need establish the outside at the locating pin with sliding sleeve cover to it is right through flat mould riveting's mode the effort is applyed to sliding sleeve, makes sliding sleeve's inner wall forms deformation portion, with the card income in the constant head tank of locating pin, can realize roller component's installation, simple structure only needs two subcomponents just can realize the function of gyro wheel, and the equipment is convenient, does not need complicated mechanism, and the efficiency of workman's assembly is higher, and sliding sleeve wall thickness is even, non-deformable in the use, has reduced use cost.
The embodiment of the application also discloses a roller assembly, includes:
the sliding sleeve is internally provided with a first through hole which penetrates along the axial direction of the sliding sleeve, and the sliding sleeve is provided with a deformation part which extends inwards along the radial direction on the inner wall which forms the first through hole;
the positioning pin penetrates through the first through hole, the positioning pin comprises a first riveting part and a second riveting part which are arranged at intervals along the axis direction, and an annular clamping groove is formed between the first riveting part and the second riveting part along the radial direction;
the deformation part of the sliding sleeve can flow along the radial direction after the sliding sleeve and the positioning pin are riveted and clamped into the annular clamping groove, so that the positioning pin can rotate relative to the sliding sleeve.
Further, the sliding sleeve comprises a first body part connected with the deformation part, and the first body part is in clearance fit with the positioning pin.
Further, the radial width of the deformation part is smaller than the radial width of the annular clamping groove, and the axial height of the deformation part is smaller than the axial height of the annular clamping groove.
Further, the outer diameter of the first riveting portion is smaller than the outer diameter of the second riveting portion.
Further, the outer diameter of the first riveting portion is larger than that of the second riveting portion.
Furthermore, the end face of the sliding sleeve is flush with the end face of the first riveting portion, and the bottom of the sliding sleeve is in contact with the end face of the second riveting portion.
Furthermore, a first gap is formed between the first riveting part and the inner wall of the first through hole, and the first gap is smaller than the width of the deformation part along the radial direction.
Furthermore, a second gap is arranged between the second riveting part and the inner wall of the first through hole, and the second gap is smaller than the width of the deformation part along the radial direction.
The utility model has the advantages as follows:
1. this wheel components is right through the mode of flat die riveting slip sleeve or locating pin application effort makes slip sleeve's inner wall forms deformation portion, with the card income in the ring groove of locating pin, can realize wheel components's installation, simple structure only needs two subcomponents just can realize the function of gyro wheel, and the equipment is convenient, does not need complicated mechanism, and the efficiency of workman's assembly is higher, and slip sleeve wall thickness is even, non-deformable in the use, has reduced use cost.
2. Before riveting, the roller component only needs to be sleeved outside the positioning pin by the sliding sleeve, the inner wall of the sliding sleeve is in clearance fit with the positioning pin, the deformation part is arranged opposite to the positioning groove, the sliding sleeve is opposite to the positioning pin, the assembly is simple, the operation of workers is convenient, and compared with the roller component assembled by the existing three sub-components, the sliding is smoother, and the production cost is also reduced.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic sectional view of an embodiment of the present invention before riveting of an embodiment 1 of a roller assembly;
FIG. 2 is a schematic sectional view of the embodiment of the present invention after riveting the roller assembly in embodiment 1;
FIG. 3 is a schematic sectional view of an embodiment of the present invention before riveting of the roller assembly in embodiment 2;
FIG. 4 is a schematic sectional view of the embodiment of the present invention after riveting the roller assembly in embodiment 2;
FIG. 5 is a schematic sectional view of the embodiment of the present invention before riveting of the roller assembly in embodiment 3;
FIG. 6 is a schematic sectional view of the embodiment of the present invention after riveting the roller assembly in embodiment 3;
FIG. 7 is a schematic sectional view of an embodiment of the present invention before riveting of an embodiment 4 of a roller assembly;
FIG. 8 is a schematic sectional view of the embodiment of the present invention after riveting the roller assembly in embodiment 4;
FIG. 9 is a schematic sectional view of an embodiment of the present invention before riveting of the roller assembly in embodiment 5;
fig. 10 is a schematic sectional view of a wheel assembly in the embodiment of the present invention after being riveted in embodiment 5.
Reference numerals of the above figures: 1. a sliding sleeve; 2. positioning pins; 3. a first through hole; 4. a deformation section; 5. a first rivet joint; 6. a second riveted part; 7. an annular neck; 8. a first body portion; 9. a second body portion; 10. a second through hole; 11. a columnar portion; 12. a raised portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
This embodiment a wheel components, this wheel components only need to establish the slip sleeve cover in the outside of locating pin to it is right through flat mould riveting's mode the effort is applyed to slip sleeve or locating pin, makes slip sleeve's inner wall forms deformation portion, with the card income in the ring groove of locating pin, can realize wheel components's installation, simple structure only needs two subcomponents just can realize the function of gyro wheel, the equipment is convenient, does not need complicated mechanism, the efficiency of workman's assembly is higher, and the slip sleeve wall thickness is even, non-deformable in the use, has reduced use cost.
The embodiment of the application also discloses a roller assembly, includes:
the sliding sleeve comprises a sliding sleeve 1, wherein a first through hole 3 penetrating along the axial direction of the sliding sleeve 1 is formed inside the sliding sleeve 1, and the sliding sleeve 1 is provided with a deformation part 4 extending inwards along the radial direction on the inner wall forming the first through hole 3;
the positioning pin 2 penetrates through the first through hole 3, the positioning pin 2 comprises a first riveting part 5 and a second riveting part 6 which are arranged at intervals along the axis direction, and an annular clamping groove 7 is formed between the first riveting part 5 and the second riveting part 6 along the radial direction;
the deformation part 4 of the sliding sleeve 1 can flow in the radial direction after the sliding sleeve 1 and the positioning pin 2 are riveted to be clamped in the annular clamping groove 7, so that the positioning pin 2 can rotate relative to the sliding sleeve 1.
With reference to fig. 1 to 10, with the above structure, a worker sleeves the sliding sleeve 1 outside the positioning pin 2 from the upper portion of the positioning pin 2, and a gap exists between the inner wall of the first through hole 3 of the sliding sleeve 1 and the first riveting portion 5 or the second riveting portion 6, so that the sliding sleeve 1 can slide relative to the positioning pin 2. After the positions of the sliding sleeve 1 and the positioning pin 2 are determined, acting force is applied from the end face of the sliding sleeve 1 or the end face of the positioning pin 2, so that an inward extending deformation part 4 is formed on the inner wall of the sliding sleeve 1 along the radial direction to be clamped into an annular clamping groove 7 of the positioning pin 2, and the sliding sleeve 1 and the positioning pin 2 are connected together to complete the installation of the roller assembly.
Specifically, in embodiment 1, the roller assembly includes: a sliding sleeve 1 and a dowel pin 2.
As shown in fig. 1, the pre-clinching state: the sliding sleeve 1 may be cylindrical. The sliding sleeve 1 is formed with a first through hole 3 penetrating in the axial direction thereof. The sliding sleeve 1 has a deformation 4 which can extend radially inward on the inner wall forming the first through hole 3. The deformation part 4 is positioned at the bottom of the inner wall of the sliding sleeve 1. The positioning pin 2 comprises a first riveting part 5 and a second riveting part 6 arranged at an interval with the first riveting part 5 along the axial direction of the first riveting part 5. The positioning pin 2 is provided with an annular clamping groove 7. The annular clamping groove 7 is located between the first riveting portion 5 and the second riveting portion 6. The sliding sleeve 1 can slide relative to the positioning pin 2 before the positioning pin 2 and the sliding sleeve 1 are riveted, and the deformation part 4 and the positioning groove can be arranged oppositely. The first riveting portion 5 is located in the first through hole 3, so that the sliding sleeve 1 can rotate relative to the first riveting portion 5, the second riveting portion 6 abuts against the sliding sleeve 1 from the bottom, and the sliding sleeve 1 and the positioning pin 2 are prevented from falling off.
As shown in fig. 2, the post-clinching state: the sliding sleeve 1 may be cylindrical. The sliding sleeve 1 is formed with a first through hole 3 penetrating in the axial direction thereof. The first through hole 3 is cylindrical. The sliding sleeve 1 has a deformation 4 extending radially inward on the inner wall forming the first through hole 3. The deformation part 4 is a convex circular ring. The sliding sleeve 1 further comprises a first body portion 8 connected to the deformation 4. The first body portion 8 is a clearance fit with the locating pin 2. The positioning pin 2 is arranged in the first through hole 3 in a penetrating mode. The positioning pin 2 comprises a first riveting part 5 and a second riveting part 6 which are arranged at intervals along the axis direction. The end surface of the first riveting part 5 is flush with the end surface of the sliding sleeve 1. The end surface is an upper surface. The end face of the second riveting portion 6 is in contact with the bottom of the sliding sleeve 1. The first riveting portion 5 and the second riveting portion 6 may be cylindrical. The outer diameter of the first riveting portion 5 is smaller than the outer diameter of the second riveting portion 6. An annular clamping groove 7 is formed between the first riveting part 5 and the second riveting part 6 along the radial direction. The end face of the second riveting part 6 is in contact with the bottom of the sliding sleeve 1 to complete the installation of the roller assembly, and the installation is convenient without other assistance. The deformation part 4 of the sliding sleeve 1 can flow in the radial direction after the sliding sleeve 1 and the positioning pin 2 are riveted to be clamped in the annular clamping groove 7, so that the positioning pin 2 can rotate relative to the sliding sleeve 1. This wheel components only needs two subcomponents to assemble, and the equipment is convenient, does not need complicated mechanism, and the efficiency of workman's assembly is higher, just 1 wall thickness of sliding sleeve is even, non-deformable in the use has reduced use cost.
As shown in fig. 3 and 4, in embodiment 2, embodiment 2 has the same general structure as embodiment 1, and the difference is that:
and (3) state after riveting: the sliding sleeve 1 has a deformation 4 extending radially inward on the inner wall forming the first through hole 3. The deformation part 4 is a cuboid. The positioning pin 2 is arranged in the first through hole 3 in a penetrating mode. The positioning pin 2 comprises a first riveting part 5 and a second riveting part 6 which are arranged at intervals along the axis direction. The outer diameter of the first riveting portion 5 is smaller than the outer diameter of the second riveting portion 6. An annular clamping groove 7 is formed between the first riveting part 5 and the second riveting part 6 along the radial direction. The deformation part 4 of the sliding sleeve 1 can flow along the radial direction after the sliding sleeve 1 and the positioning pin 2 are riveted to be clamped in the annular clamping groove 7, so that the sliding sleeve 1 can rotate relative to the positioning pin 2. This wheel components only needs two subcomponents to assemble, and the equipment is convenient, does not need complicated mechanism, and the efficiency of workman's assembly is higher, just 1 wall thickness of sliding sleeve is even, non-deformable in the use has reduced use cost.
In example 3, example 3 has the same general structure as example 1, except that:
as shown in fig. 5, the pre-clinching state: the sliding sleeve 1 comprises a first body part 8 arranged in a radial direction, and a second body part 9 fixed at an outer end of the first body part 8 in a vertical direction. The bottom end of the inner wall of the second body part 9 has a deformation part 4 which can extend radially inwards. The sliding sleeve 1 can slide relative to the positioning pin 2 before the positioning pin 2 and the sliding sleeve 1 are riveted, and the deformation part 4 and the annular clamping groove 7 can be arranged oppositely.
As shown in fig. 6, the post-clinching state: the sliding sleeve 1 comprises a first body part 8 arranged in a radial direction, and a second body part 9 fixed at an outer end of the first body part 8 in a vertical direction. The sliding sleeve 1 has a deformation 4 extending radially inward on the inner wall forming the first through hole 3. The deformation part 4 is located at the bottom end of the sliding sleeve 1. The cross section of the deformation part 4 can be a cuboid. The sliding sleeve 1 and the positioning pin 2 comprise a first riveting part 5 and a second riveting part 6 which are arranged at intervals along the axis direction. The outer diameter of the first riveting portion 5 is larger than the outer diameter of the second riveting portion 6. The end surface of the first body part 8 is flush with the end surface of the positioning pin 2. Deformation portion 4 with ring groove 7 sets up relatively, deformation portion 4 is in the terminal surface atress of sliding sleeve 1 warp and forms the turn-up, establishes with the card in ring groove 7, prevent sliding sleeve 1 with locating pin 2 drops, makes sliding sleeve 1 can be relative locating pin 2 rotates. The roller wheel assembly is simple to assemble and convenient to operate by workers, greatly improves the working efficiency, is smoother to slide compared with the roller wheel assembly assembled by three existing sub-assemblies, and reduces the production cost.
In example 4, example 4 has the same general structure as example 1, except that:
as shown in fig. 7, the pre-clinching state: the sliding sleeve 1 includes a first body portion 8 disposed along a radial direction, and second body portions 9 fixed to both ends of the first body portion 8 in a vertical direction, respectively. The bottom of the first body portion 8 is formed with a columnar portion 11 provided along the axial direction. The bottom end of the inner wall of the second body part 9 has a deformation part 4 which can deform in the radial direction. A second through hole 10 penetrating in the axial direction is formed inside the positioning pin 2. The columnar portion 11 is inserted into the second through hole 10. The sliding sleeve 1 can slide relative to the positioning pin 2 before the positioning pin 2 and the sliding sleeve 1 are riveted, and the deformation part 4 and the annular clamping groove 7 can be arranged oppositely.
As shown in fig. 8, the post-clinching state: the sliding sleeve 1 includes a first body portion 8 disposed along a radial direction, and second body portions 9 fixed to both ends of the first body portion 8 in a vertical direction, respectively. The bottom of the first body portion 8 is formed with a columnar portion 11 provided along the axial direction. The columnar part 11 is fixedly connected with the upper inner wall of the sliding sleeve 1. A second through hole 10 penetrating in the axial direction is formed inside the positioning pin 2. The columnar portion 11 is inserted into the second through hole 10. The outer diameter of the columnar portion 11 is smaller than the inner diameter of the second through hole 10, so that the second through hole 10 can rotate relative to the columnar portion 11. The positioning pin 2 further comprises a first riveting part 5 and a second riveting part 6 which are arranged at intervals along the axis direction. The outer diameter of the first riveting portion 5 is larger than the outer diameter of the second riveting portion 6. The bottom of the inner wall of the sliding sleeve 1 is provided with a deformation part 4. The deformation part 4 can deform along the radial direction when the end face of the sliding sleeve 1 is stressed so as to be clamped in the annular clamping groove 7, and the sliding sleeve 1 and the positioning pin 2 are prevented from falling off, so that two rotating surfaces exist on the sliding sleeve 1 and the positioning pin 2. The roller wheel assembly is simple to assemble and convenient to operate by workers, greatly improves the working efficiency, is smoother to slide compared with the roller wheel assembly assembled by three existing sub-assemblies, and reduces the production cost.
In example 5, example 4 has the same general structure as example 1, except that:
as shown in fig. 9, the pre-clinching state: the sliding sleeve 1 is formed with a first through hole 3 formed therein in the axial direction. A convex part 12 is arranged on one side of the end surface of the sliding sleeve 1. And a deformation part 4 is arranged on the other side of the end surface of the sliding sleeve 1. The inner wall of the deformation part 4 is parallel to the inner wall of the bulge part 12. The positioning pin 2 is sleeved in the first through hole 3 of the sliding sleeve 1. The sliding sleeve 1 can slide relative to the positioning pin 2 before the positioning pin 2 and the sliding sleeve 1 are riveted, and the deformation part 4 and the annular clamping groove 7 can be arranged oppositely.
As shown in fig. 10, the post-clinching state: the sliding sleeve 1 is formed with a first through hole 3 formed therein in the axial direction. A convex part 12 is arranged on one side of the end surface of the sliding sleeve 1. And a deformation part 4 is arranged on the other side of the end surface of the sliding sleeve 1. The positioning pin 2 comprises a first riveting part 5 and a second riveting part 6 which are arranged at intervals along the axis direction. The outer diameter of the first riveting portion 5 is larger than the outer diameter of the second riveting portion 6. The end face of the deformation part 4 is in contact with the bottom face of the first riveting part 5. From effort is applied to the terminal surface of locating pin 2, deformation portion 4 forms the bending along the direction of radially being close to the axis under the effect of power to the card is established in the ring groove 7 of locating pin 2, prevent sliding sleeve 1 with locating pin 2 drops, makes sliding sleeve 1 can be relative locating pin 2 rotates. The roller wheel assembly is simple to assemble and convenient to operate by workers, greatly improves the working efficiency, is smoother to slide compared with the roller wheel assembly assembled by three existing sub-assemblies, and reduces the production cost.
Specifically, in this embodiment, the width of the deformation portion 4 in the radial direction is smaller than the width of the ring slot 7 in the radial direction. The height of the deformation part 4 in the axial direction is smaller than that of the annular clamping groove 7 in the axial direction, so that a certain gap exists between the deformation part 4 and the annular clamping groove 7, and the sliding sleeve 1 can rotate relative to the positioning pin 2.
Specifically, in example 1, example 2, example 3, and example 4, a first gap is provided between the first caulking portion 5 and the inner wall of the first through hole 3. The first gap is smaller than the width of the deformation part 4 in the radial direction, so that the deformation part 4 can be embedded into the annular clamping groove 7, the positioning pin 2 is prevented from falling off from the sliding sleeve 1, and the roller assembly can be stably rotated.
Specifically, in embodiment 5, a second gap is provided between the second caulking portion 6 and the inner wall of the first through hole 3. The second gap is smaller than the width of the deformation part 4 in the radial direction, so that the deformation part 4 can be embedded into the annular clamping groove 7, the positioning pin 2 is prevented from falling off from the sliding sleeve 1, and the roller assembly can be stably rotated.
The roller component is simple in structure, only two sub-components are required to be installed together, the sliding sleeve is connected with the positioning pin together in a flat die riveting mode, the installation method is simple, so that the sliding sleeve and the positioning pin can rotate relatively, the operation of workers is facilitated, the working efficiency is greatly improved, and the production cost is reduced.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. A roller assembly, comprising:
the sliding sleeve is internally provided with a first through hole which penetrates along the axial direction of the sliding sleeve, and the sliding sleeve is provided with a deformation part which extends inwards along the radial direction on the inner wall which forms the first through hole;
the positioning pin penetrates through the first through hole, the positioning pin comprises a first riveting part and a second riveting part which are arranged at intervals along the axis direction, and an annular clamping groove is formed between the first riveting part and the second riveting part along the radial direction;
the deformation part of the sliding sleeve can flow along the radial direction after the sliding sleeve and the positioning pin are riveted and clamped into the annular clamping groove, so that the positioning pin can rotate relative to the sliding sleeve.
2. The roller assembly of claim 1 wherein the sliding sleeve includes a first body portion connected to the deformation portion, the first body portion being a clearance fit with the locating pin.
3. The roller assembly of claim 1 wherein the deformation portion has a radial width less than a radial width of the ring groove, and an axial height less than an axial height of the ring groove.
4. The roller assembly of claim 1, wherein an outer diameter of the first rivet is smaller than an outer diameter of the second rivet.
5. The roller assembly of claim 1, wherein an outer diameter of the first rivet is greater than an outer diameter of the second rivet.
6. The roller assembly of claim 1 wherein the end surface of the sliding sleeve is flush with the end surface of the first rivet, and the bottom of the sliding sleeve contacts the end surface of the second rivet.
7. The roller assembly of claim 1, wherein a first gap is formed between the first riveting portion and the inner wall of the first through hole, and the first gap is smaller than the width of the deformation portion in the radial direction.
8. The roller assembly of claim 1, wherein a second gap is formed between the second riveting portion and the inner wall of the first through hole, and the second gap is smaller than the width of the deformation portion in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352813.2U CN214578294U (en) | 2021-02-08 | 2021-02-08 | Roller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352813.2U CN214578294U (en) | 2021-02-08 | 2021-02-08 | Roller assembly |
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| Publication Number | Publication Date |
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| CN214578294U true CN214578294U (en) | 2021-11-02 |
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| CN202120352813.2U Active CN214578294U (en) | 2021-02-08 | 2021-02-08 | Roller assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909392A (en) * | 2021-02-08 | 2022-08-16 | 宾科精密部件(中国)有限公司 | Roller assembly |
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2021
- 2021-02-08 CN CN202120352813.2U patent/CN214578294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909392A (en) * | 2021-02-08 | 2022-08-16 | 宾科精密部件(中国)有限公司 | Roller assembly |
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