CN208073947U - A kind of self-regulation bolt of idler gear - Google Patents
A kind of self-regulation bolt of idler gear Download PDFInfo
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- CN208073947U CN208073947U CN201820040759.6U CN201820040759U CN208073947U CN 208073947 U CN208073947 U CN 208073947U CN 201820040759 U CN201820040759 U CN 201820040759U CN 208073947 U CN208073947 U CN 208073947U
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- synchronous
- outer shroud
- screw rod
- rotation
- rod end
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Abstract
A kind of self-regulation bolt of idler gear,Including screw cap end and screw rod end,The screw rod end is equipped with retreating mechanism,The retreating mechanism includes rotary sleeve,Synchronous axle sleeve and elastic component,The rotary sleeve includes rotation inner ring and rotation outer shroud,The rotation inner ring, which is adapted with screw rod end diameter and is sheathed on screw rod end peripheral surface, does rotatable engagement,The rotation outer shroud upper edge is radially provided with several guide rods,The synchronous axle sleeve includes synchronous inner ring and synchronous outer shroud,The synchronization outer annular diameter is adapted with idle pulley axis hole,The synchronous annular diameters are more than rotation outer shroud,The synchronizing shaft puts on several corresponding guide rods and is equipped with several slotted holes,The synchronous axle sleeve does concentric circles setting with rotary sleeve and guide rod is set in slotted hole and is slidably matched,The elastic component is sheathed on guide rod,The elastic component both ends contradict rotation outer shroud and synchronous inner ring respectively.
Description
Technical field
The utility model is related to fastener areas, and in particular to a kind of self-regulation bolt of idler gear.
Background technology
The wheel of its inertia is mainly utilized to be referred to as idle pulley in mechanical equipment.In train, if before a gear is both
The driven wheel of primary transmission, and be the driving wheel of rear stage transmission, then this gear is thus referred to as idle pulley.[1] idle pulley was also known as
Axle gear, its number of teeth is how many not to influence gear ratio value size, but will be had an impact to the steering of end wheel.
The arrangement of idle pulley will ensure correct steering relationship, and when driving wheel rotates clockwise, normal pressure and frictional force are all
Idle pulley is set to be detached from driven wheel.Therefore it needs to ensure slip gear even running, conventional mode to idle pulley application external force
It is to be inserted in idle pulley axis hole to carry out axial restraint by bolt of idler gear, fixed work is utilized while ensure that idle pulley rotation
Firmly offset normal pressure and frictional force, however simple bolt of idler gear can only inflexible firm idle pulley, rotation speed change band can not be coped with
The normal pressure variation come, leads to transition extrusion friction between idle pulley and driven wheel, accelerates the mill of idle pulley and driven wheel
Damage.
Invention content
The utility model provides one kind and adapting to different installation apertures, easily will to solve the deficiency of above-mentioned technology
Bolt is fixed on the self-locking screw body in hole.
The technical solution of the utility model：A kind of self-regulation bolt of idler gear, including screw cap end and screw rod end, the screw rod end
Equipped with retreating mechanism, the retreating mechanism includes rotary sleeve, synchronous axle sleeve and elastic component, and the rotary sleeve includes in rotation
Ring and rotation outer shroud, which, which is adapted with screw rod end diameter and is sheathed on screw rod end peripheral surface, does rotatable engagement, described
Rotation outer shroud upper edge is radially provided with several guide rods, and the synchronous axle sleeve includes synchronous inner ring and synchronous outer shroud, this synchronizes outer
Ring diameter is adapted with idle pulley axis hole, and the synchronous annular diameters are more than rotation outer shroud, and the synchronizing shaft, which is put on, corresponds to several
Guide rod is equipped with several slotted holes, the synchronous axle sleeve and rotary sleeve do concentric circles be arranged and guide rod be set to it is oval
It is slidably matched in hole, the elastic component is sheathed on guide rod, which contradicts rotation outer shroud and synchronize interior respectively
Ring.
Using above-mentioned technical proposal, rotation inner ring and the screw rod end peripheral surface rotatable engagement of rotary sleeve, synchronizing shaft are utilized
Set is set in by slotted hole on the guide rod bar of rotation outer shroud, and synchronous axle sleeve is arranged with rotary sleeve in concentric circles so that
Synchronous axle sleeve can do a degree of radial deflection along guide rod relative rotation axle sleeve, and elastic component is sheathed on guide rod
On, which contradicts rotation outer shroud and synchronous inner ring respectively so that the displacement of synchronous axle sleeve relative rotation axi set can press
Contracting elastic component, the opposition of elastic component are fed back to synchronizing shaft and put on, and convey the idle pulley of synchronous axle sleeve connection and can obtain one
A counteracting direct stress and frictional force make idle pulley be close to driven wheel and can make a concession the active force of fine tuning, and the slotted hole of setting makes
When obtaining guide rod setting in slotted hole, when synchronous axle sleeve relative rotation axi covers mobile, guide rod can be in slotted hole inner circumferential
It is mobile, will not be stuck by the hole wall of slotted hole, and if being provided that common circular hole, part pilot hole will be by hole wall card
Extremely, retreating mechanism is caused to fail.
The further setting of the utility model：The screw rod end be equipped with first shaft shoulder and second shaft shoulder, first shaft shoulder and
Second shaft shoulder is set to the both ends of rotation inner ring respectively in axial direction.
Using above-mentioned technical proposal, the axial displacement of axle sleeve is limited by first shaft shoulder of setting and the limitation of second shaft shoulder,
Prevent idle pulley axial float.
The further setting of the utility model：The elastic component is spring.
The further setting of the utility model：The synchronous outer shroud upper edge is axially arranged with flat key.
Using above-mentioned technical proposal, the flat key of setting, which to synchronize, can keep synchronous rotary between axle sleeve and idle pulley.
The further setting of the utility model：Several described guide rods are four guide rods and are uniformly set along axle center decile
It sets.
Using above-mentioned technical proposal, four guide rods and it is uniformly arranged along axle center decile so that impartial between four guide rods
No matter 90 ° of interval, synchronous axle sleeve can make spring generate uniform reaction force which the direction movement of relative rotation axle sleeve.
The further setting of the utility model：The screw rod end is made of mild steel.
Using above-mentioned technical proposal, mild steel (mild steel) is the carbon steel that carbon content is less than 0.25%, because it is strong
Spend that low, hardness is low and soft, therefore also known as mild steel.It includes most of common carbon structural steel and a part of carbon constructional quality steel,
Mostly not thermally treated to be used for engineering structure part, some is through carburizing and other heat treatments for requiring wear-resisting machine components.
Mild steel annealed structure is ferrite and a small amount of pearlite, and intensity and hardness are relatively low, and plasticity and toughness are preferable.Cause
This, cold formability is good, and the methods of crimping, bending, punching press can be used and carry out cold forming.This steel also has good welding
Property.Phosphorus content is easy to receive various processing as forged from 0.10% to 0.30% mild steel, and welding and cutting commonly use what and manufacture chain
Item, rivet, bolt, axis etc..
Description of the drawings
Fig. 1 is the structure chart of the utility model embodiment；
Fig. 2 is the explosive view of the utility model embodiment；
Fig. 3 is the sectional view of the utility model embodiment.
Specific implementation mode
As shown in Figs. 1-3, a kind of self-regulation bolt of idler gear, including screw cap end 1 and screw rod end 2, the screw rod end 2 are equipped with and move back
Mechanism, the retreating mechanism is allowed to include rotary sleeve 3, synchronous axle sleeve 4 and elastic component, the rotary sleeve 3 includes rotation inner ring
31 and rotation outer shroud 32, which, which is adapted with 2 diameter of screw rod end and is sheathed on 2 peripheral surface of screw rod end and does rotation, matches
It closes, 32 upper edge of rotation outer shroud is radially provided with several guide rods 5, and the synchronous axle sleeve 4 includes synchronous inner ring 41 and synchronizes
Outer shroud 42,42 diameter of synchronization outer shroud are adapted with idle pulley axis hole, and 41 diameter of synchronous inner ring is more than rotation outer shroud 32, described
Several guide rods 5 are corresponded on synchronous axle sleeve 4 and are equipped with several slotted holes 6, and the synchronous axle sleeve 4 does concentric with rotary sleeve 3
Circle is arranged and guide rod 5 is set in slotted hole 6 and is slidably matched, and the elastic component is sheathed on guide rod 5, the elastic component
Both ends contradict rotation outer shroud 32 and synchronous inner ring 41 respectively.
Using the rotation inner ring 31 and 2 peripheral surface rotatable engagement of screw rod end of rotary sleeve 3, synchronous axle sleeve 4 passes through slotted hole
6 are set on 5 bar of guide rod of rotation outer shroud 32, and synchronous axle sleeve 4 is arranged with rotary sleeve 3 in concentric circles so that synchronizing shaft
Set 4 can do a degree of radial deflection along 5 relative rotation axle sleeve 3 of guide rod, and elastic component is sheathed on guide rod 5,
The elastic component both ends contradict rotation outer shroud 32 and synchronous inner ring 41 respectively so that the displacement of 4 relative rotation axle sleeve 3 of synchronous axle sleeve
Meeting compression elastic piece, the opposition of elastic component are fed back on synchronous axle sleeve 4, and the idle pulley for conveying the synchronous connection of axle sleeve 4 can
It obtains one and offsets direct stress and frictional force, so that idle pulley is close to driven wheel and the active force of fine tuning can be made a concession, the length of setting
When circular hole 6 is so that guide rod 5 is arranged in slotted hole 6, when synchronous 4 relative rotation axle sleeve 3 of axle sleeve movement, guide rod 5 can be
6 inner circumferential of slotted hole moves, will not be stuck by the hole wall of slotted hole 6, and if being provided that common circular hole, part pilot hole
Will be stuck by hole wall, cause retreating mechanism to fail.
The screw rod end 2 is equipped with first shaft shoulder 71 and second shaft shoulder 72, first shaft shoulder 71 and second shaft shoulder 72 edge respectively
It is axially set in the both ends of rotation inner ring 31.
By the axial displacement of first shaft shoulder 71 of setting and second shaft shoulder 72 limitation limitation axle sleeve, prevent idle pulley from axially altering
It is dynamic.
The elastic component is spring 8.
42 upper edge of synchronous outer shroud is axially arranged with flat key 9.
The flat key 9 of setting between synchronous axle sleeve 4 and idle pulley so that can keep synchronous rotary.
Several described guide rods 5 are four guide rods 5 and are uniformly arranged along axle center decile.
It four guide rods 5 and is uniformly arranged along axle center decile so that equally spaced 90 ° between four guide rods 5, synchronizing shaft
No matter set 4 can make spring 8 generate uniform reaction force which the direction movement of relative rotation axle sleeve 3.
The screw rod end 2 is made of mild steel.
Mild steel (mild steel) is the carbon steel that carbon content is less than 0.25%, because its intensity is low, hardness is low and soft, therefore
Also known as mild steel.It includes most of common carbon structural steel and a part of carbon constructional quality steel, mostly not thermally treated to be used for
Engineering structure part, some is through carburizing and other heat treatments for requiring wear-resisting machine components.
Mild steel annealed structure is ferrite and a small amount of pearlite, and intensity and hardness are relatively low, and plasticity and toughness are preferable.Cause
This, cold formability is good, and the methods of crimping, bending, punching press can be used and carry out cold forming.This steel also has good welding
Property.Phosphorus content is easy to receive various processing as forged from 0.10% to 0.30% mild steel, and welding and cutting commonly use what and manufacture chain
Item, rivet, bolt, axis etc..
Claims (6)
1. a kind of self-regulation bolt of idler gear, including screw cap end and screw rod end, it is characterised in that：The screw rod end is equipped with yielding machine
Structure, the retreating mechanism include rotary sleeve, synchronous axle sleeve and elastic component, and the rotary sleeve includes that rotation inner ring and rotation are outer
Ring, which, which is adapted with screw rod end diameter and is sheathed on screw rod end peripheral surface, does rotatable engagement, on the rotation outer shroud
Radially be equipped with several guide rods, the synchronous axle sleeve includes synchronous inner ring and synchronous outer shroud, the synchronization outer annular diameter with it is lazy
Axle hole is adapted, and the synchronous annular diameters are more than rotation outer shroud, and the synchronizing shaft puts on several corresponding guide rods and is equipped with
Several slotted holes, the synchronous axle sleeve does concentric circles setting with rotary sleeve and guide rod is set in slotted hole and slides
Cooperation, the elastic component are sheathed on guide rod, which contradicts rotation outer shroud and synchronous inner ring respectively.
2. a kind of self-regulation bolt of idler gear according to claim 1, it is characterised in that：The screw rod end is equipped with first shaft shoulder
And second shaft shoulder, first shaft shoulder and second shaft shoulder are set to the both ends of rotation inner ring respectively in axial direction.
3. a kind of self-regulation bolt of idler gear according to claim 1, it is characterised in that：The elastic component is spring.
4. a kind of self-regulation bolt of idler gear according to claim 1, it is characterised in that：It is set in an axial direction on the synchronous outer shroud
There is flat key.
5. a kind of self-regulation bolt of idler gear according to any one of claims 1 to 4, it is characterised in that：It is described several
Guide rod is four guide rods and is uniformly arranged along axle center decile.
6. a kind of self-regulation bolt of idler gear according to claim 5, it is characterised in that：The screw rod end uses low-carbon steel
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040759.6U CN208073947U (en) | 2018-01-10 | 2018-01-10 | A kind of self-regulation bolt of idler gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040759.6U CN208073947U (en) | 2018-01-10 | 2018-01-10 | A kind of self-regulation bolt of idler gear |
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| Publication Number | Publication Date |
|---|---|
| CN208073947U true CN208073947U (en) | 2018-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820040759.6U Active CN208073947U (en) | 2018-01-10 | 2018-01-10 | A kind of self-regulation bolt of idler gear |
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| CN (1) | CN208073947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236829A (en) * | 2018-11-22 | 2019-01-18 | 储国亲 | A kind of fastening bolt |
-
2018
- 2018-01-10 CN CN201820040759.6U patent/CN208073947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236829A (en) * | 2018-11-22 | 2019-01-18 | 储国亲 | A kind of fastening bolt |
| CN109236829B (en) * | 2018-11-22 | 2020-06-16 | 浙江帛特汽车紧固件有限公司 | Fastening bolt |
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