CN208457012U - A kind of axle sleeve and pivot structure - Google Patents
A kind of axle sleeve and pivot structure Download PDFInfo
- Publication number
- CN208457012U CN208457012U CN201820669791.0U CN201820669791U CN208457012U CN 208457012 U CN208457012 U CN 208457012U CN 201820669791 U CN201820669791 U CN 201820669791U CN 208457012 U CN208457012 U CN 208457012U
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- wall
- shaft
- rotary axis
- elastic component
- slot
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Abstract
The utility model discloses a kind of axle sleeve and pivot structures, including body, body is provided with elastic component for being fixed on the inner wall or outer wall of body described in the inner wall of rotary axis groove or the outer wall of shaft, and elastic component is used to squeeze the inner wall of rotary axis groove or the outer wall of shaft, offers tensioner slot on body.The utility model has the advantage of drive elastic component to carry out deformation using the body after deformation, so that elastic component and shaft or rotary axis groove mutual extrusion, promote frictional force between axle sleeve and shaft or rotary axis groove, prevent the generation skidded, body after concurrent deformation itself can form good enclasping force between shaft or rotary axis groove, further promote frictional force between axle sleeve and shaft or rotary axis groove, the generation of slippery conditions when shaft being prevented to rotate in rotary axis groove to greatest extent.
Description
[technical field]
The utility model relates to a kind of axle sleeve and pivot structures, belong to machinery field.
[background technique]
One important function of axle sleeve is to stablize movement of the shaft in rotary axis groove, stablizes the operating status of shaft, with
Skidding or the abjection of shaft is prevented, is replaced when necessary.But no matter existing situation is axle sleeve and shaft
Between or rotary axis groove between its frictional force be all often not enough to stability or even shaft that firm shaft rotates in rotary axis groove
Deviate from from rotary axis groove since torque is excessive during rotation, brings inconvenience to actual production and use.
[utility model content]
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
Reason, axle sleeve and pivot structure with good enclasping force.
The technical scheme in the invention for solving the above technical problem is: a kind of axle sleeve, including body, and body is for solid
It is scheduled on the inner wall of rotary axis groove or the outer wall of shaft, is provided with elastic component on the inner wall or outer wall of the body, elastic component is used for
The inner wall of rotary axis groove or the outer wall of shaft are squeezed, offers tensioner slot on body.
Tensioner slot is used for the wall unevenness so that body, so that the deformability of body is promoted.Body shrink or
Expansion drives elastic component radially outward perhaps inwardly to move along body thus with the shaft of the inside of body or turning for outside
Axial trough mutual extrusion, and then increase the frictional force between axle sleeve and shaft or rotary axis groove, it is therefore prevented that axle sleeve and shaft or rotary axis groove
Between slippery conditions generation, stabilize the stability of shaft motion state in rotary axis groove.
The inner and outer wall of tensioner slot perforation body described in the utility model, while penetrating through the both ends of body.Body at this time
Deformability can obtain the promotion of higher level.
Elastic component described in the utility model is set to the inner wall of body, and elastic component slot is provided on the inner wall of body, alternatively,
Elastic component is set to the outer wall of body, elastic component slot is provided on the outer wall of body, elastic component slot is for accommodating elastic component.Elasticity
On the one hand part slot provides the placement space after elastic member presses deformation, on the other hand make between body and shaft or rotary axis groove
Gap is not left, increases the contact surface between body and shaft or rotary axis groove to greatest extent, prevents the generation of slippery conditions.
The inner and outer wall of elastic component slot perforation body described in the utility model.Elastic component slot plays similar tensioner at this time
The effect of slot, so that the deformability to body is further promoted.
Clamping slot or clamping screw thread are provided on the side wall of body described in the utility model.Clamping slot or the enhancing of clamping screw thread
Frictional force between frictional force or body and rotary axis groove between body and shaft.
For the utility model when being provided with clamping slot on the side wall of body, clamping slot penetrates through the inner and outer wall of body.Card
Tight slot plays the role of similar tensioner slot, so that the deformability to body is further promoted.
The quantity of clamping slot described in the utility model be it is multiple, all clamping slots along body circumferential direction be arranged.Clamping slot
So that set body thickness is relatively uniform, prevent body local mechanical tired.
A kind of pivot structure is installed on the shaft in rotary axis groove including rotary axis groove and rotary type, between shaft and rotary axis groove
It is provided with axle sleeve.
One of inner wall and the outer wall of shaft of body described in the utility model are provided with clamping slot, another is provided with clamping
Screw thread is connected between the inner wall of body and the outer wall of shaft by clamping screw thread with clamping slot, alternatively, the outer wall and shaft of body
One of inner wall of slot is provided with clamping slot, another is provided with clamping screw thread, leads between the outer wall of body and the inner wall of rotary axis groove
Clamping screw thread is crossed to connect with clamping slot.The clamping slot or clamping screw thread of body inner wall and the clamping screw thread or clamping slot of shaft outer wall
It cooperating, the clamping slot or clamping screw thread of body outer wall and the clamping screw thread of rotary axis groove inner wall or clamping slot cooperate, with
So that the frictional force of enhancing body and shaft or rotary axis groove.
Clamping slot described in the utility model and the setting of clamping screw thread relative tilt.At this time body and shaft or rotary axis groove it
Between axial movement resistance be greater than rotary resistance, be limited in shaft fluted shaft convenient for the rotation of stability contorting shaft, guarantee shaft edge
Fixation in its axial direction.
Elastic component described in the utility model is set to the inner wall of body, and the end of shaft is provided with buffering suface, alternatively, elastic
Part is set to the outer wall of body, and the notch of rotary axis groove is provided with buffering suface, and buffering suface is elastic in body installation process for buffering
The deformation of part.Buffering suface makes shaft be inserted in body or when body is inserted in rotary axis groove, and elastic component can be slowly squeezed and deformed,
It reduces between shaft and body or the installation resistance between body and rotary axis groove.
The utility model drives elastic component to carry out deformation compared with prior art, using the body after deformation, so that bullet
Property part and shaft perhaps rotary axis groove mutual extrusion promotes frictional force between axle sleeve and shaft or rotary axis groove, prevent the hair to skid
Raw, the body itself after concurrent deformation can form good enclasping force between shaft or rotary axis groove, further promote axis
Frictional force between set and shaft or rotary axis groove, the hair of slippery conditions when shaft being prevented to rotate in rotary axis groove to greatest extent
It is raw.
[Detailed description of the invention]
Fig. 1 is the schematic perspective view of the utility model embodiment pivot structure.
Fig. 2 is the configuration schematic diagram of the utility model embodiment pivot structure.
Fig. 3 is another angle configuration schematic diagram of the utility model embodiment pivot structure.
Fig. 4 is the schematic perspective view of the utility model embodiment axle sleeve.
[specific embodiment]
The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model
Protection scope.
In the following description, occur term "inner", "outside", "upper", "lower", the indicating positions such as "left", "right" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, description embodiment merely for convenience and simplified description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
Embodiment.
Referring to Fig. 1-3.
A kind of pivot structure is present embodiments provided, the shaft 1 being installed in rotary axis groove 2 including rotary axis groove 2 and rotary type.
Wherein, axle sleeve is provided between shaft 1 and rotary axis groove 2.Shaft 1 is there are two types of the motion modes in rotary axis groove 2, respectively shaft
1 with axle sleeve by fixing, and then the drive axle sleeve of shaft 1 rotates in rotary axis groove 2 together and axle sleeve is fixed in rotary axis groove 2,
Shaft 1 is rotated without moving axis set.
Referring to fig. 2-4.
Axle sleeve includes body 3.
Tensioner slot 32 is offered on body 3.Tensioner slot 32 is used for the wall unevenness so that body 3, so that body 3
Deformability is promoted.If diameter is less than the outer diameter of shaft 1 to 3 inner wall of body under natural conditions, body 3 is inserted in by deformation
Shaft 1 is strutted by shaft 1, and body 3 holds shaft 1 tightly, so that body 3 generates relative motion with shaft 1 or relative motion becomes
Larger frictional force is generated when gesture.If diameter is greater than the diameter of 2 inner wall of rotary axis groove under natural conditions for 3 outer wall of body, body 3 is by shape
Change is snapped into rotary axis groove 2, and rotary axis groove 2 can hold body 3 tightly, so that rotary axis groove 2 and body 3 generate relative motion or opposite
Larger frictional force is generated when movement tendency.
Preferably, tensioner slot 32 penetrates through the inner and outer wall of body 3, or the both ends of perforation body 3, so that body
3 deformability can obtain the promotion of higher level.Tensioner slot 32 penetrates through the inner wall of body 3 and outer simultaneously in the present embodiment
Wall, and the both ends of perforation body 3, tensioner slot 32 forms an opening at this time, body 3 can carry out expanding by opening or
Person shrinks.
The side wall of body 3 includes the inner wall of body 3 and the outer wall of body 3.Bullet is provided on the inner wall or outer wall of body 3
Property part 31, deformation occurs for 31 stress of elastic component.If elastic component 31 is set to the inner wall of body 3, shaft 1 is in installation to body 3
When elastic component 31 is squeezed, thus further enhance between body 3 and shaft 1 relatively move when frictional force.If bullet
Property part 31 is set to the outer wall of body 3, and rotary axis groove 2 squeezes elastic component 31 when body 3 is mounted in rotary axis groove 2, thus
Further enhance frictional force when relatively moving between body 3 and rotary axis groove 2.
The case where elastic component 31 is set to the outer wall of body 3 is chosen in the present embodiment to be illustrated.
Preferably, being provided with elastic component slot 33 on the outer wall of body 3, elastic component slot 33 is for accommodating elastic component 31.Set
When the installation of body 3 is into rotary axis groove 2,2 inner wall of rotary axis groove squeezes elastic component 31 to elastic component slot 33.
33 one side of elastic component slot provides the placement space after 31 compressional deformation of elastic component, on the other hand makes body 3
Gap is not left between rotary axis groove 2, increases the contact surface between body 3 and rotary axis groove 2 to greatest extent, is prevented body 3 and is turned
The generation of slippery conditions between axial trough 2.
Its working condition and connection relationship are similar to the present embodiment when elastic component 31 is set to the inner wall of body 3, no longer exist
It is further discussed below in the present embodiment.
Preferably, elastic component slot 33 penetrates through the inner and outer wall of body 3 simultaneously.Elastic component slot 33 plays similar at this time
The effect of tensioner slot 32, so that the deformability to body 3 is further promoted.
Similarly, the position of elastic component 31 and elastic component slot 33 can be changed and then generate the present embodiment by the present embodiment
Equivalent program.Such as elastic component 31 and elastic component slot 33 are all set in the inner wall of rotary axis groove 2, by the installation of body 3 to elasticity
Elastic component 31 is squeezed to the elastic component slot 33 for being located at 2 inner wall of rotary axis groove when in part slot 33.In addition, by elastic component 31 and elastic component
Slot 33 is all set in the inner wall of body 3, and the case where elastic component 31 and elastic component slot 33 are all set in 1 outer wall of shaft, benefit
Elastic component 31 is squeezed the situation into elastic component slot 33 with the relative motion of shaft 1 and body 3 should also be considered as this implementation together
The equivalent program of example.
The principle of the present embodiment is to pass through elastic component slot 33 and elastic component 31 to control between body 3 and rotary axis groove 2
Frictional force between frictional force or body 3 and shaft 1, and then reduce the risk that shaft 1 is skidded in rotary axis groove 2.
Preferably, the notch of rotary axis groove 2 is provided with buffering suface 6.When buffering suface 6 is inserted in body 3 in rotary axis groove 2,
Elastic component 31 can be slowly squeezed and deformed, and reduce the installation resistance between body 3 and rotary axis groove 2.
If elastic component 31 is set to the inner wall of body 3, buffering suface 6 is set to the end of shaft 1.Facilitate shaft 1 at this time
It is fitted into elastic component 31 when in body 3 slowly to deform, the structure is similar to the present embodiment, therefore does not repeat further.
Between body 3 and shaft 1 friction enhancing can also be carried out by clamping slot 4 and clamping screw thread 5.Such as body 3
Clamping slot 4 is arranged in inner wall, and clamping screw thread 5 is arranged in the outer wall of shaft 1, or, clamping screw thread 5, shaft is arranged in the inner wall of body 3
Clamping slot 4 is arranged in 1 outer wall so that 3 sets of body in shaft 15 partial deformation of clamping screw thread be caught in clamping slot 4 so that
Frictional force between body 3 and shaft 1 increases.Clamping slot 4, the outer wall of shaft 1 is arranged in the inner wall that body 3 is chosen in the present embodiment
The mode that clamping screw thread 5 is arranged is arranged.
Frictional force enhancing can also be carried out using aforesaid way between body 3 and rotary axis groove 2.Such as the outer wall of body 3 is set
Clamping slot 4 is set, clamping screw thread 5 is arranged in the inner wall setting clamping screw thread 5 of rotary axis groove 2 or the outer wall of body 3, rotary axis groove 2
Clamping slot 4 is arranged in inner wall.The structure is similar with aforementioned structure, therefore the present embodiment is not made the structure and further being repeated, the knot
Structure is also not applied in the present embodiment.
Preferably, clamping slot 4 penetrates through the inner and outer wall of body in the present embodiment.Clamping slot 4 plays similar tensioner
The effect of slot 32, so that the deformability to body 3 is further promoted.
In addition, clamping slot 4 and the setting of 5 relative tilt of clamping screw thread.It is mutually inclined the clamping slot 4 and clamping screw thread 5 of setting
So that resistance when the resistance of shaft 1 or body 3 axially movable is greater than rotation, so that being easier to control when manpower rotating shaft 1
System so that shaft 1 only rotated and without translation.
Preferably, the quantity of clamping slot 4 be it is multiple, all clamping slots 4 are uniformly arranged along the circumferential direction of body 3, the knot
Structure makes the thickness change of body 3 relatively uniform, reduces by 3 local mechanical of body fatigue, increases the service life of body 3, together
When make the frictional force between body 3 and shaft 1 and the frictional force between body 3 and rotary axis groove 2 that can remain as far as possible steady
It is fixed, be conducive to maintain shaft 1 stable in rotary axis groove 2.
Rotary axis groove 2 is fixed with slot installation part 7 far from one end of shaft 1, and slot installation part 7 can choose and 2 one of rotary axis groove
Molding.Slot installation part 7, which facilitates in 2 rotation process of rotary axis groove, drives other part to be rotated.
Shaft 1 is fixed with axis installation part 8 far from one end of rotary axis groove 2, axis installation part 8 can choose with 1 one of shaft at
Type.Axis installation part 8, which facilitates in 1 rotation process of shaft, drives other part to be rotated.
Preferably, slot installation part 7 and axis installation part 8 are fixed plate, screw hole 9 is provided in fixed plate.Screw hole 9 makes
The fixed-direction of fixed plate is obtained perpendicular to fixed plate, rotary axis groove 2 is most beneficial to and drives other part to be rotated with shaft 1.
The present embodiment is by adjusting the frictional force between body 3 and shaft 1 and the friction between body 3 and rotary axis groove 2
Power, so that control selections shaft 1 is with axle sleeve by fixing, and then the work that shaft 1 drives axle sleeve to rotate in rotary axis groove 2 together
Mode, or selection axle sleeve are fixed in rotary axis groove 2, and shaft 1 rotates the working method covered without moving axis.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, being familiar with the those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment party above
Content described in formula.The modification of any function and structure principle without departing from the utility model is intended to be included in claims
Range in.
Claims (10)
1. a kind of axle sleeve, including body, body is used to be fixed on the inner wall of rotary axis groove or the outer wall of shaft, it is characterised in that: institute
It states and is provided with elastic component on the inner wall or outer wall of body, elastic component is used to squeeze the inner wall of rotary axis groove or the outer wall of shaft, set
Tensioner slot is offered on body.
2. axle sleeve according to claim 1, it is characterised in that: the inner and outer wall of the tensioner slot perforation body, simultaneously
Penetrate through the both ends of body.
3. axle sleeve according to claim 1, it is characterised in that: the elastic component is set to the inner wall of body, body it is interior
It is provided with elastic component slot on wall, alternatively, elastic component is set to the outer wall of body, elastic component slot, bullet are provided on the outer wall of body
Property part slot for accommodating elastic component.
4. axle sleeve according to claim 3, it is characterised in that: the inner and outer wall of the elastic component slot perforation body.
5. axle sleeve according to claim 1 or 2 or 3 or 4, it is characterised in that: be provided with clamping on the side wall of the body
Slot or clamping screw thread.
6. axle sleeve according to claim 5, it is characterised in that: when being provided with clamping slot on the side wall of body, clamping slot
Penetrate through the inner and outer wall of body.
7. axle sleeve according to claim 5, it is characterised in that: the quantity of the clamping slot is multiple, all clamping slot edges
The circumferential setting of body.
8. a kind of pivot structure, the shaft being installed on including rotary axis groove and rotary type in rotary axis groove, it is characterised in that: shaft and turn
It is arranged between axial trough just like axle sleeve as claimed in any one of claims 1 to 7.
9. pivot structure according to claim 8, it is characterised in that: one of inner wall and the outer wall of shaft of the body are set
It is equipped with clamping slot, another is provided with clamping screw thread, passes through clamping screw thread and clamping between the inner wall of body and the outer wall of shaft
Slot connection, alternatively, one of the outer wall of body and the inner wall of rotary axis groove are provided with clamping slot, another is provided with clamping screw thread, set
It is connected by clamping screw thread with clamping slot between the outer wall of body and the inner wall of rotary axis groove.
10. pivot structure according to claim 8 or claim 9, it is characterised in that: the elastic component is set to the inner wall of body,
The end of shaft is provided with buffering suface, alternatively, elastic component is set to the outer wall of body, the notch of rotary axis groove is provided with buffering suface,
Buffering suface is used to buffer the deformation of elastic component in body installation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669791.0U CN208457012U (en) | 2018-05-07 | 2018-05-07 | A kind of axle sleeve and pivot structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669791.0U CN208457012U (en) | 2018-05-07 | 2018-05-07 | A kind of axle sleeve and pivot structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457012U true CN208457012U (en) | 2019-02-01 |
Family
ID=65152163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820669791.0U Active CN208457012U (en) | 2018-05-07 | 2018-05-07 | A kind of axle sleeve and pivot structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457012U (en) |
-
2018
- 2018-05-07 CN CN201820669791.0U patent/CN208457012U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |