CN207634553U - A kind of Wimble tooth-like clutch assembly - Google Patents
A kind of Wimble tooth-like clutch assembly Download PDFInfo
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- CN207634553U CN207634553U CN201721273702.2U CN201721273702U CN207634553U CN 207634553 U CN207634553 U CN 207634553U CN 201721273702 U CN201721273702 U CN 201721273702U CN 207634553 U CN207634553 U CN 207634553U
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- tooth
- clutch
- wimble
- worm shaft
- connector sleeve
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Abstract
The utility model discloses a kind of Wimble tooth-like clutch assemblies, it is separate structure to be intended to provide a kind of worm shaft and outer Wimble tooth-like clutch, and Wimble tooth-like clutch assembly easy to process, its key points of the technical solution are that a kind of Wimble tooth-like clutch assembly, including worm shaft, it further include the outer Wimble tooth-like clutch that the interior Wimble tooth-like clutch being sheathed on worm shaft and worm shaft are detachably connected, interior Wimble tooth-like clutch is axially flexibly connected with worm shaft, and interior Wimble tooth-like clutch is adapted to outer Wimble tooth-like clutch, the utility model is suitable for automobile brake technical field.
Description
Technical field
The utility model is related to a kind of automobile brake technical fields, more specifically, it relates to which a kind of Wimble tooth-like clutch is total
At.
Background technology
In vehicle traveling process, due to continually using brake vehicle, between brake drum and friction plate just
Often abrasion makes gap that can become larger, and braking retardation, braking time is caused to extend；Especially when the brake clearance of each brake drum
When inconsistent, the brake side-slipping that occurs when the vehicle is braked, phenomena such as breakking away, some hidden danger are brought for traffic safety.
Currently, using arm for automatically regulating clearance of brake, increased brake clearance can be adjusted between normal brake application at any time
In the range of gap, Wimble tooth-like clutch assembly is the mechanism part in arm for automatically regulating clearance of brake, and traditional Wimble tooth-like clutch is total
It is at structure：Outer Wimble tooth-like clutch and worm shaft integrally connected, i.e., directly processed in worm shaft side by modes such as millings
Outer cone tooth, due to also to process the thread for being adapted to turbine on worm shaft, and thread and outer cone tooth be required to it is higher
Machining accuracy, if one of which processing is unqualified, it will cause whole worm screw is unqualified, processing request is high, and traditional milling
Mode, low production efficiency, in addition in use, outer cone tooth or thread any one generate abrasion and will result in whole
Worm screw is scrapped, and needs whole replacement, cost higher.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of worm shafts and outer cone tooth clutch
Device is separate structure, and Wimble tooth-like clutch assembly easy to process.
To achieve the above object, the utility model provides following technical solution：A kind of Wimble tooth-like clutch assembly, including snail
Bar axis, it is characterized in that：Further include the interior Wimble tooth-like clutch being sheathed on worm shaft, the outer cone tooth that is detachably connected with worm shaft from
Clutch, interior Wimble tooth-like clutch is axially flexibly connected with worm shaft, and interior Wimble tooth-like clutch is adapted to outer Wimble tooth-like clutch.
The utility model is further arranged to：The outer Wimble tooth-like clutch includes the first connector sleeve and is placed in the first connector sleeve
First engaging section of one end, the first connector sleeve are equipped with the internal thread hole that is threadedly coupled with worm shaft, the first engaging section direction the
The side of one connector sleeve is equipped with outer cone tooth.
The utility model is further arranged to：First engaging section is equipped with location hole.
The utility model is further arranged to：The connecting pin of first engaging section and the first connector sleeve, which is equipped with, to be reinforced
Ring.
The utility model is further arranged to：The interior Wimble tooth-like clutch includes the second connector sleeve being sheathed on worm shaft
With the second engaging section for being placed in second connector sleeve one end, the second engaging section away from the second connector sleeve side be equipped with for it is outer
Bore the inner cone tooth of tooth engagement.
The utility model is further arranged to：Second connector sleeve includes the first through hole being adapted to worm shaft, with the
Second through-hole of one connector sleeve periphery wall adaptation.
The utility model is further arranged to：The cone angle of the outer cone tooth and inner cone tooth is 45 degree.
A kind of processing technology of Wimble tooth-like clutch assembly, the processing technology of the outer Wimble tooth-like clutch and interior Wimble tooth-like clutch
Include the following steps：
One, it stocks up；
Two, it anneals：Carry out spheroidizing processing；
Three, cold forging：Raw material is placed in cold forging die and is forged into blank；
Four, phospholeum：Blank is first put into phosphating solution phosphorating treatment, then blank is put into saponification liquor saponification process；
Five, cold extrusion：Blank is fixed in lower die, by fixed on forcing press and upper mold with cone tooth to blank
Apply pressure, workpiece is made；
Six, turnery processing：Turning, drilling finishing are carried out to workpiece；
Six, burr is repaired；
Seven, nitriding：Gas nitriding processing is carried out to workpiece.
By using above-mentioned technical proposal, worm shaft is separate structure with outer Wimble tooth-like clutch, if one of component
Abrasion or damage then only need to change the component of abrasion or damage, and cost declines, and the processing essence of worm shaft and outer Wimble tooth-like clutch
Degree can control respectively, easy to process, improve machining accuracy；The outer cone tooth of outer Wimble tooth-like clutch and the inner cone tooth of interior Wimble tooth-like clutch
It is all made of cold extrusion shaped, the resistance of deformation of outer cone tooth and inner cone tooth is big, formed precision is high, production efficiency is high, saves material.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Wimble tooth-like clutch assembly embodiment of the utility model.
Fig. 2 is a kind of structural schematic diagram of Wimble tooth-like clutch assembly embodiment China and foreign countries Wimble tooth-like clutch of the utility model.
Fig. 3 is the left view structural representation of Fig. 2 in a kind of Wimble tooth-like clutch assembly embodiment of the utility model.
Fig. 4 is the structural schematic diagram of interior Wimble tooth-like clutch in a kind of Wimble tooth-like clutch assembly embodiment of the utility model.
Specific implementation mode
It is described further referring to figs. 1 to a kind of Wimble tooth-like clutch assembly embodiment of 4 pairs of the utility model.
As shown in Figure 1, a kind of Wimble tooth-like clutch assembly, including worm shaft 1, further include the inner cone being sheathed on worm shaft 1
Tooth-like clutch 3, the outer Wimble tooth-like clutch 2 being detachably connected with worm shaft 1, interior Wimble tooth-like clutch 3 connect with the axial activity of worm shaft 1
It connects, and interior Wimble tooth-like clutch 3 is adapted to outer Wimble tooth-like clutch 2.
Worm shaft 1 only needs more for separate structure if one of component wear or damage with outer Wimble tooth-like clutch 2
The component of abrasion or damage is changed, cost declines, and worm shaft 1 and the machining accuracy of outer Wimble tooth-like clutch 2 can control respectively, be convenient for
Processing improves machining accuracy, can improve transmission accuracy.
As Figure 2-3, the outer Wimble tooth-like clutch 2 includes the first connector sleeve 21 and is placed in 21 one end of the first connector sleeve
First engaging section 22, the first connector sleeve 21 are equipped with the internal thread hole 23 being threadedly coupled with worm shaft 1,22 direction of the first engaging section
The side of first connector sleeve 21 is equipped with outer cone tooth 24, and the first connector sleeve 21 is fixed on by internal thread hole 23 on worm shaft 1, and just
In dismounting, outer cone tooth 24 with interior Wimble tooth-like clutch 3 for engaging.
First engaging section 22 is equipped with location hole 25, and location hole 25 is two and is symmetrically set with 23 axle center of internal thread hole
It sets, plays the role of being located by connecting.
The connecting pin of first engaging section, 22 and first connector sleeve 21 is equipped with reinforcing ring 26, and reinforcing ring 26 can disperse
The stress of 21 connecting pin of first engaging section 22 and the first connector sleeve improves the company between the first engaging section 22 and the first connector sleeve 21
Connect intensity.
As shown in figure 4, the interior Wimble tooth-like clutch 3 includes the second connector sleeve 31 being sheathed on worm shaft 1 and is placed in the
Second engaging section 32 of two connector sleeves, 31 one end, the second engaging section 32 away from the second connector sleeve 31 side be equipped with for it is outer
The inner cone tooth 33 that tooth 24 engages is bored, the second connector sleeve 31, which is placed on worm shaft 1, realizes axial movement, inner cone tooth 33 and outer cone tooth 24
Face realizes engagement or separation.
Second connector sleeve 31 includes the first through hole 34 being adapted to worm shaft 1, is fitted with 21 periphery wall of the first connector sleeve
The second through-hole 35 matched, the second connector sleeve 31 are placed on by first through hole 34 on the periphery wall of worm shaft 1, and realization slides axially,
Second connector sleeve 31 can be placed on the periphery wall of the first connector sleeve 21 by the second through-hole 35, avoid the first connector sleeve 21 and second
It generates and touches between connector sleeve 31, it is ensured that the first connector sleeve 21 can generate stable sliding, realize the first engaging section 22 and the
The engagement or separation of two engaging sections 32.
The cone angle D of the outer cone tooth 24 and inner cone tooth 33 is 45 degree, and 45 degree are preferred value, make outer cone tooth 24 and inner cone tooth
33 are more uniformly stressed, transmission accuracy higher, and outer cone tooth 24 and inner cone tooth 33 include several teeth, and teeth include being placed in
The side wall of teeth both sides, the angle between same teeth two side is preferably 113 degree, and the angle between adjacent two teeth side wall is excellent
110 degree are selected as, stress intensity is high at this time, not easy to wear, transmission accuracy is good.
Worm shaft 1 is made by conventional machining process, and the processing technology of interior Wimble tooth-like clutch 3 and outer Wimble tooth-like clutch 2 is wrapped
Include following steps：
One, it stocks up：Forging material is preferably 20CrMnTi；
Two, it anneals；Forging is expected to carry out spheroidizing processing, furnace temperature is first risen to 840 DEG C~880 DEG C, keeps the temperature 3~4 hours
Afterwards, furnace cooling, cooling velocity are less than 20 DEG C/h, come out of the stove when temperature is less than 500 DEG C, then natural cooling；
Three, cold forging：Raw material is placed in cold forging die, external structure is forged, blank is forged into；
Four, phospholeum：Blank is first put into phosphorating treatment in phosphating solution, places into saponification process in saponification liquor；
Five, cold extrusion：Blank is fixed in lower die, by fixed on forcing press and upper mold with cone tooth to blank
Apply pressure, workpiece is made；
Six, turnery processing：The finishing steps such as appearance facing, drilling, chamfering are carried out to workpiece；
Six, burr is repaired；
Seven, nitriding：Gas nitriding processing is carried out to workpiece；
Eight, it assembles：By 2 assembled formation of worm shaft 1, interior Wimble tooth-like clutch 3 and outer Wimble tooth-like clutch.
20CrMnTi carburizing steel has higher low-temperature impact toughness, good processability, machining deformation small, antifatigue
The features such as performance is good；Being handled by spheroidizing reduces the hardness of forging material, is convenient for cold-forge forming；By phosphorus saponification process, to hair
Embryo plays the role of antifriction lubrication, is easy to cold extrusion shaped, improves formed precision；It is handled by gas nitriding, improves workpiece
Case hardness and its wearability.
The specific process of wherein phospholeum is：
（One）Oil removing degreasing：The component of degreaser is calculated as soda ash 18g/L, skimmed milk 12g/L, temperature 65 by weight
Degree, degreasing time are 5 minutes；
（Two）Primary washing；
（Three）Phosphatization：The component of degreaser is calculated as phosphoric acid 20g/L, 20 g/L of zinc nitrate, calcium nitrate 0.5 by weight
G/L, 2.5 g/L of zinc oxide, 2 g/L of oxalic acid, 0.5 g/L of nickel nitrate, obtained General Acidity in Phosphating Solution are 40-45 points,
Free acidity is 4-6 points, and phosphatization temperature is 30 degree, and phosphating time is 8 minutes；
（Four）Secondary washing；
（Five）Saponification：The component of degreaser be calculated as by weight stearic acid 30g/L, sodium hydroxide 3g/L, soda ash 1.5g/L,
Lubricant 15g/L, pH value 8-8.5, temperature are 60 degree, and saponification time is 12 minutes；
（Six）Drying；
Pickling is not required to during above-mentioned phospholeumization, spent acid discharges after pickling-free, energy conservation and environmental protection；Pass through above-mentioned phosphating solution and phosphorus
Chemical industry skill carries out treated alloy steel material, alramenting film thickness and careful, and salt spray test is conventional phosphatizing up to 30h
2-3 times；And parkerized time is short, is suitable for automatic production line operation；Cr, Mn element can be eliminated in phosphatization simultaneously
In the process to the influence of phosphating reaction so that phosphatization effect is more preferable；By above-mentioned saponification liquor and saponification process progress, treated
Alloy steel material, the abrasion for effectively avoiding mold, the machining accuracy for ensureing workpiece, the rust-proof life for extending material.
The outer cone tooth 24 of outer Wimble tooth-like clutch 2 and the inner cone tooth 33 of interior Wimble tooth-like clutch 3 are all made of cold extrusion shaped, outer cone
The resistance of deformation of tooth 24 and inner cone tooth 33 is big, formed precision is high, production efficiency is high, saves material.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field
Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model
It protects in range.
Claims (7)
1. a kind of Wimble tooth-like clutch assembly, including worm shaft (1), it is characterized in that：It further include the inner cone being sheathed on worm shaft (1)
Tooth-like clutch (3), the outer Wimble tooth-like clutch (2) being detachably connected with worm shaft (1), interior Wimble tooth-like clutch (3) and worm shaft (1)
Axial flexible connection, and interior Wimble tooth-like clutch (3) is adapted to outer Wimble tooth-like clutch (2).
2. a kind of Wimble tooth-like clutch assembly according to claim 1, it is characterized in that：The outer Wimble tooth-like clutch (2) includes
First connector sleeve (21) and the first engaging section (22) for being placed in the first connector sleeve (21) one end, the first connector sleeve (21) be equipped with
The internal thread hole (23) that worm shaft (1) is threadedly coupled, the first engaging section (22) are equipped with outer towards the side of the first connector sleeve (21)
Bore tooth (24).
3. a kind of Wimble tooth-like clutch assembly according to claim 2, it is characterized in that：First engaging section (22) is equipped with
Location hole (25).
4. a kind of Wimble tooth-like clutch assembly according to claim 2, it is characterized in that：First engaging section (22) and first
The connecting pin of connector sleeve (21) is equipped with reinforcing ring (26).
5. a kind of Wimble tooth-like clutch assembly according to claim 2, it is characterized in that：The interior Wimble tooth-like clutch (3) includes
It is sheathed on the second connector sleeve (31) of worm shaft (1) and is placed in second engaging section (32) of the second connector sleeve (31) one end, second
Engaging section (32) is equipped with the inner cone tooth (33) for being engaged with outer cone tooth (24) away from the side of the second connector sleeve (31).
6. a kind of Wimble tooth-like clutch assembly according to claim 5, it is characterized in that：Second connector sleeve (31) include with
The first through hole (34) of worm shaft (1) adaptation, the second through-hole (35) being adapted to the first connector sleeve (21) periphery wall.
7. a kind of Wimble tooth-like clutch assembly according to claim 5, it is characterized in that：The outer cone tooth (24) and inner cone tooth
(33) cone angle is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273702.2U CN207634553U (en) | 2017-09-29 | 2017-09-29 | A kind of Wimble tooth-like clutch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273702.2U CN207634553U (en) | 2017-09-29 | 2017-09-29 | A kind of Wimble tooth-like clutch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634553U true CN207634553U (en) | 2018-07-20 |
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ID=62858891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721273702.2U Active CN207634553U (en) | 2017-09-29 | 2017-09-29 | A kind of Wimble tooth-like clutch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763088A (en) * | 2017-09-29 | 2018-03-06 | 玉环市润浩机械有限公司 | A kind of Wimble tooth-like clutch assembly and its processing technology |
-
2017
- 2017-09-29 CN CN201721273702.2U patent/CN207634553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763088A (en) * | 2017-09-29 | 2018-03-06 | 玉环市润浩机械有限公司 | A kind of Wimble tooth-like clutch assembly and its processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317600 No. 1 Tanghe Road, Yucheng street, Yuhuan County, Taizhou, Zhejiang Patentee after: Yuhuan run Hao machinery Limited by Share Ltd Address before: 317699 No. 1 Tanghe Road, Yucheng Street, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: Yuhuan run Hao Machinery Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A bevel gear clutch assembly Effective date of registration: 20201124 Granted publication date: 20180720 Pledgee: Zhejiang Yuhuan Yongxing Village Bank Co., Ltd Pledgor: YUHUAN COUNTY RUNHAO MACHINERY Co.,Ltd. Registration number: Y2020330001008 |