CN207660987U - Roll wheel assembly and air-conditioning including it - Google Patents
Roll wheel assembly and air-conditioning including it Download PDFInfo
- Publication number
- CN207660987U CN207660987U CN201721813292.6U CN201721813292U CN207660987U CN 207660987 U CN207660987 U CN 207660987U CN 201721813292 U CN201721813292 U CN 201721813292U CN 207660987 U CN207660987 U CN 207660987U
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- China
- Prior art keywords
- idler wheel
- wheel assembly
- position limiting
- roll wheel
- limiting structure
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Abstract
The utility model discloses a kind of roll wheel assembly and including its air-conditioning.The movable part that the roll wheel assembly is used to be arranged in equipment, including support portion and idler wheel, the idler wheel is pivotally mounted on the support portion, the axial both sides of the idler wheel are respectively arranged with position limiting structure, the position limiting structure limits the idler wheel, protrusion and/or groove structure are provided on the idler wheel on side opposite with the idler wheel on the side opposite with the position limiting structure and/or the position limiting structure, to reduce the contact area when idler wheel and the position limiting structure contact.The idler wheel of roll wheel assembly provided by the utility model is rotatably mounted on support portion, position limiting structure is arranged in both sides in the axial direction of idler wheel, contact area when making idler wheel be contacted with position limiting structure by the way that raised and/or groove structure is arranged on idler wheel and/or position limiting structure reduces, to reduce the frictional force generated when idler wheel and position limiting structure contact, ensure idler wheel reliability of operation.
Description
Technical field
The utility model is related to moving component correlative technology field, especially a kind of roll wheel assembly and the air-conditioning including it.
Background technology
In common air-conditioning, moving component is all made of roll wheel assembly and carries out auxiliary rolling friction, it is ensured that moving component is run
Reliably, steadily.And common roll wheel assembly is all made of Metal Contact Rollers bearing, and rolled using a large amount of metal in a complete machine
Wheel.A large amount of costs that air conditioner can be improved using Metal Contact Rollers, and the operation stability of Metal Contact Rollers is not fine, because
The hardness of Metal Contact Rollers is big, with cannot effectively be buffered when plastic part relative motion and discharge impulse force can cause shake phenomena such as,
And the installation of Metal Contact Rollers is nor easily, increase the assembly difficulty of air conditioner.Also, limit knot usually can be all set
Structure limits idler wheel, and there are the possibility that idler wheel is contacted with position limiting structure in operational process, when idler wheel is contacted with position limiting structure
When will produce bigger frictional force, large effect is caused to the rotation of idler wheel.
Utility model content
In view of this, one of the purpose of this utility model be to provide a kind of roll wheel assembly that can improve operation stability and
Include its air-conditioning.
In a first aspect, provide a kind of roll wheel assembly, the movable part for being arranged in equipment, including support portion and
Idler wheel, the idler wheel are pivotally mounted on the support portion, and the axial both sides of the idler wheel are respectively arranged with position limiting structure,
The position limiting structure limits the idler wheel,
It is opposite with the idler wheel on the side opposite with the position limiting structure and/or the position limiting structure on the idler wheel
Protrusion and/or groove structure are provided on side, to reduce the contact area when idler wheel and the position limiting structure contact.
Preferably, it is formed with gap between the idler wheel and the position limiting structure.
Preferably, the protrusion and/or groove structure include the first convex ribs being arranged on the idler wheel.
Preferably, the idler wheel includes mounting hole, and first convex ribs are arranged along the port edge of the mounting hole.
Preferably, the support portion includes the mounting structure being connected with each other and connection structure, and the mounting structure is for pacifying
The idler wheel is filled, the connection structure with the movable part for connecting.
Preferably, the mounting structure includes first part and second part,
In the first part opposite first end face and second end face respectively with the connection structure and second described
Connection, the idler wheel is divided to be pivotally mounted on the second part by connector.
Preferably, the first end face of the second part is connected with the second end face of the first part, described second
The second end face divided is for installing the connector.
Preferably, the area of the second end face of the first part is more than the area of the first end face of the second part,
Step surface is formed in the junction of the first part and the second part, the step surface constitutes the first limiting section.
Preferably, the protrusion and/or groove structure include the second convex ribs being arranged on the step surface.
Preferably, the end set of the connector has the second limiting section, first limiting section and second limit
Portion constitutes the position limiting structure.
Preferably, the roll wheel assembly further includes block piece, and the block piece is installed to by connector on the support portion, institute
State the position limiting structure that block piece constitutes the idler wheel side.
Preferably, the block piece includes abutting part and blocking portion, and the abutting part is connected on the support portion, the resistance
Stopper is for limiting the idler wheel.
Preferably, the abutting part can extend into the mounting hole on the idler wheel.
Preferably, the idler wheel is plastic material.
Second aspect provides a kind of air-conditioning, above-mentioned rollers component is arranged on the movable part on the air-conditioning.
The idler wheel of roll wheel assembly provided by the utility model is rotatably mounted on support portion, two in the axial direction of idler wheel
Position limiting structure is arranged in side, so that idler wheel is tied with limit by the way that protrusion and/or groove structure are arranged on idler wheel and/or position limiting structure
Contact area when structure contacts reduces, and to reduce the frictional force generated when idler wheel and position limiting structure contact, ensures idler wheel operation
Reliability.
Description of the drawings
By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the assembling schematic diagram of roll wheel assembly provided by the utility model；
Fig. 2 shows the schematic cross-sections of roll wheel assembly；
Fig. 3 shows the exploded perspective view of roll wheel assembly.
Specific implementation mode
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.It should be understood by one skilled in the art that attached drawing is provided to the purpose of explanation provided herein, and attached drawing is not necessarily
It is drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being containing for " including but not limited to "
Justice.
In the description of the present invention, it should be understood that term " first ", " second " etc. are used for description purposes only,
It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more
It is a " it is meant that two or more.
Roll wheel assembly provided by the utility model is used to be arranged the movement for making component in the component that moves of needs and other
Component is contacted by the roll wheel assembly, avoids that sliding friction occurs, and reduces frictional force and the stability of component operation.
As shown in Figure 1, 2, 3, roll wheel assembly provided by the utility model includes support portion 100, idler wheel 200 and connector
400, the idler wheel 200 is arranged on the support portion 100, and the idler wheel 200 is installed to the support by the connector 400
In portion 100.
The support portion 100 is preferably provided on the moving parts in equipment, such as the moving parts being arranged on air-conditioning
On, such as be arranged and needed on air-conditioning on the moving parts such as mobile wind deflector either air outlet grate.The support portion 100 wraps
Mounting structure 110 and connection structure 120 are included, the mounting structure 110 is for installing the idler wheel 200, the connection structure 120
It is connect with the moving parts, it is preferable that the connection structure 120 is formed on the moving parts.The mounting structure
110 include first part 111 and second part 112, and the second part 112 is for installing the idler wheel 200, described first
First end face and second end face opposite on 111 is divided to be connect respectively with the connection structure 120 and the second part 112, and
And the second end face area of the first part 111 is more than the face area of the second part 112, so that described first
Divide 111 can be limited to the idler wheel 200 in itself and the first limiting section of 112 junction of second part formation.It is described
Second part 112 is cylindrical structure, and the first end of the second part 112 is connect with the first part 111, described second
The second end of part 112 is free end, and the second end of the second part 112 is provided with connecting hole, and the connecting hole is used for institute
State the installation (introducing in detail below) of connector 400.Preferably, the second part 112 is along its axial length and the rolling
The thickness of wheel 200 is roughly the same, for example, the second part 112 can be slightly less than along its axial length or more than described
The thickness of idler wheel 200.Preferably, second is formed on the end face being connect with the second part 112 in the first part 111
Convex ribs 1111, for second convex ribs 1111 preferably along the entire circumferentially extending of 112 end face of the second part, described second is convex
The setting of muscle 1111 can reduce the contact area of the first part 111 and the idler wheel 200, both to reduce when contact
The frictional force (introducing in detail below) of generation.It preferably, can also be in the groove structure in the second end face of the first part 111
For replacing second convex ribs 1111.
The idler wheel 200 is wheel topology, and the diameter of the mounting hole on the idler wheel 200 is more than the second part 112
Diameter, it is preferable that the installation bore dia is bigger 0.05-0.15mm than the diameter of the second part 112, preferably 0.1mm.
In first convex ribs 210 that are circumferentially provided with of 200 upper edge mounting hole of the idler wheel, first convex ribs 210 are preferably provided at described
On the axial two sides of idler wheel 200, i.e., first convex ribs 210 are respectively provided in the edges at two ends of the mounting hole of the idler wheel 200,
The annular convex rib that first convex ribs 210 are formed preferably along the entire circumferentially extending of the mounting hole, it is preferable that described first
The coincident of the radial inside edge of convex ribs 210 and the mounting hole, further, first convex ribs 210 are located at radial
Part of the inside far from the idler wheel 200 is formed with chamfering, and the chamfering is to the second part 112 and the idler wheel 200
Assembly play the guiding role.Alternatively, in other embodiments, first convex ribs 210 can also be arranged to groove structure.
After the idler wheel 200 is installed on the second part 112, the connector 400 is installed to described second
Divide in the connecting hole of 112 second end.The end of the connector 400 is formed with the second limiting section 410, the connector
After 400 are installed on the second part 112, second limiting section 410 can limit the idler wheel 200 along described second
The axial movement in part 112, prevents the idler wheel 200 from being slid from the second part 112.Further, the connector 400
After installation, second limiting section 410 on the connector 400 is connect with the first part 111 and second part 112
The distance between end face be more than the thickness of the idler wheel 200, make the idler wheel 200 in the first part 111 and described the
There is mobile space between two limiting sections 410.Preferably, second limiting section 410 is in 400 end shape of the connector
At loop configuration, the external profile diameter of the loop configuration is more than the diameter of the mounting hole on the idler wheel 200.
In alternate embodiments, the roll wheel assembly further includes block piece 300, and the block piece 300 passes through the connector
400 are installed in the second end face of the second part 112, and the block piece 300 is for substituting the second limiting section 410 to the rolling
Wheel 200 is limited, and prevents the idler wheel 200 from being slid from the second part 112.Preferably, the block piece 300 includes resistance
Stopper 310 and abutting part 320, the blocking portion 310 for being limited to the idler wheel 200, the abutting part 320 with it is described
The second end face of second part 112 abuts.It is additionally provided on the block piece 300 through the blocking portion 310 and the abutting part
320 through-hole, the connector 400 pass through the through-hole to coordinate the block piece with the connecting hole on the second part 112
300 are fixed on the second part 112.Preferably, the blocking portion 310 be with certain thickness circular configuration, it is described
The diameter of circular configuration is more than the diameter of 200 upper installing hole of the idler wheel.The abutting part 320 is to be arranged in the blocking portion
Bulge-structure on 310 first faces, the bulge-structure can extend into the mounting hole on the idler wheel 200, it is preferable that institute
It is cylindrical structure to state abutting part 320, and the face area of the cylindrical structure is equal to or less than the end of the second part 112
Face area makes the abutting part 320 abut in the second end face of the second part 112 when the block piece 300 is installed, and leads to
It crosses the connector 400 block piece 300 is mounted on the second part 112, and the block piece 300 is by the connection
Part 400 is pressed in the second end face of the second part 112, i.e., the block piece 300 cannot be in the axis of the second part 112
It is subjected to displacement upwards.After the block piece 300 is installed, the distance between the first face of the block piece 300 and the first part 111
More than the thickness of the idler wheel 200, further, the first convex ribs 210 close to the block piece 300 and institute on the idler wheel 200
Stating has gap between block piece 300, close to the first convex ribs 210 of the first part 111 and described the on the idler wheel 200
Also there is gap between the second convex ribs 1111 on two parts 111, it can be with the first part when idler wheel 200 being avoided to rotate
111 or block piece 300 rub, it is preferable that when first convex ribs 210 and described second close to the first part 111
When convex ribs 1111 contact, the gap between first convex ribs 210 and the block piece 300 of the block piece 300 is 0.4-
1mm, preferably 0.5mm.
Preferably, the idler wheel 200 is the plastic material with good self lubricity and wearability, such as POM
(polyformaldehyde, polyformaldehyde), PA6 (nylon 6), PET plastic (polyethylene terephthalate, gather pair
Ethylene terephthalate) etc., further, the material identical of the block piece 300 and the idler wheel 200.
The utility model also provides a kind of air-conditioning, and the air-conditioning includes above-mentioned rollers component, and the roll wheel assembly setting exists
On the air-conditioning on movable part, for reducing the frictional force in movable part moving process, movable part fortune is improved
Capable stability.Preferably, the movable part can be the moveable cell structure on cabinet air-conditioner, especially cylinder
Cell structure etc. on shape cabinet-type air conditioner.
Roll wheel assembly provided by the utility model makes idler wheel pass through with position limiting structure by the way that the first convex ribs are arranged on idler wheel
First convex ribs contact, and reduce contact area, to make the frictional force generated when idler wheel and position limiting structure contact reduce, make rolling
The operation of wheel is more smooth.Also, cost can be reduced using the idler wheel of plastic material, improve idler wheel reliability of operation.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each preferred embodiment can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the utility model
In the case of basic principle, those skilled in the art can be directed to the various apparent or equivalent modification that above-mentioned details is made
Or replace, all it is included in the right of the utility model.
Claims (15)
1. a kind of roll wheel assembly, the movable part for being arranged in equipment, which is characterized in that including support portion and rolling
Wheel, the idler wheel are pivotally mounted on the support portion, and the axial both sides of the idler wheel are respectively arranged with position limiting structure, institute
Position limiting structure is stated to limit the idler wheel,
Side opposite with the idler wheel on the side opposite with the position limiting structure and/or the position limiting structure on the idler wheel
On be provided with protrusion and/or groove structure, to reduce the contact area when idler wheel and the position limiting structure contact.
2. roll wheel assembly according to claim 1, which is characterized in that be formed between the idler wheel and the position limiting structure
Gap.
3. roll wheel assembly according to claim 1, which is characterized in that the protrusion and/or groove structure exist including setting
The first convex ribs on the idler wheel.
4. roll wheel assembly according to claim 3, which is characterized in that the idler wheel includes mounting hole, first convex ribs
Port edge along the mounting hole is arranged.
5. roll wheel assembly according to claim 1, which is characterized in that the support portion includes the mounting structure being connected with each other
And connection structure, the mounting structure is for installing the idler wheel, and the connection structure with the movable part for connecting.
6. roll wheel assembly according to claim 5, which is characterized in that the mounting structure includes first part and second
Point,
Opposite first end face and second end face connect with the connection structure and the second part respectively in the first part
It connects, the idler wheel is pivotally mounted to by connector on the second part.
7. roll wheel assembly according to claim 6, which is characterized in that the first end face of the second part and described first
Partial second end face is connected, and the second end face of the second part is for installing the connector.
8. roll wheel assembly according to claim 6, which is characterized in that the area of the second end face of the first part is more than
The area of the first end face of the second part forms step surface in the junction of the first part and the second part,
The step surface constitutes the first limiting section.
9. roll wheel assembly according to claim 8, which is characterized in that the protrusion and/or groove structure exist including setting
The second convex ribs on the step surface.
10. roll wheel assembly according to claim 8, which is characterized in that the end set of the connector has the second limit
Portion, first limiting section and second limiting section constitute the position limiting structure.
11. according to the roll wheel assembly described in one of claim 1-9, which is characterized in that the roll wheel assembly further includes block piece, institute
It states block piece to be installed on the support portion by connector, the block piece constitutes the position limiting structure of the idler wheel side.
12. roll wheel assembly according to claim 11, which is characterized in that the block piece includes abutting part and blocking portion, institute
It states abutting part to be connected on the support portion, the blocking portion is for limiting the idler wheel.
13. roll wheel assembly according to claim 12, which is characterized in that the abutting part can extend on the idler wheel
Mounting hole in.
14. according to the roll wheel assembly described in one of claim 1-10, which is characterized in that the idler wheel is plastic material.
15. a kind of air-conditioning, which is characterized in that be provided on the movable part on the air-conditioning described in one of claim 1-14
Roll wheel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813292.6U CN207660987U (en) | 2017-12-19 | 2017-12-19 | Roll wheel assembly and air-conditioning including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813292.6U CN207660987U (en) | 2017-12-19 | 2017-12-19 | Roll wheel assembly and air-conditioning including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660987U true CN207660987U (en) | 2018-07-27 |
Family
ID=62943110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721813292.6U Active CN207660987U (en) | 2017-12-19 | 2017-12-19 | Roll wheel assembly and air-conditioning including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975530A (en) * | 2017-12-19 | 2018-05-01 | 珠海格力电器股份有限公司 | Roll wheel assembly and the air-conditioning for including it |
-
2017
- 2017-12-19 CN CN201721813292.6U patent/CN207660987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975530A (en) * | 2017-12-19 | 2018-05-01 | 珠海格力电器股份有限公司 | Roll wheel assembly and the air-conditioning for including it |
| CN107975530B (en) * | 2017-12-19 | 2024-03-08 | 珠海格力电器股份有限公司 | Roller assembly and air conditioner comprising same |
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| GR01 | Patent grant |