CN205578709U - Gear sleeve - Google Patents
Gear sleeve Download PDFInfo
- Publication number
- CN205578709U CN205578709U CN201620158873.XU CN201620158873U CN205578709U CN 205578709 U CN205578709 U CN 205578709U CN 201620158873 U CN201620158873 U CN 201620158873U CN 205578709 U CN205578709 U CN 205578709U
- Authority
- CN
- China
- Prior art keywords
- internal spline
- tooth set
- spline
- tooth
- gear sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gear sleeve, its technical scheme main points are: including the gear sleeve body, be equipped with the shift fork groove on the gear sleeve body, be equipped with the centre bore on the gear sleeve body, be equipped with the internal spline on the periphery of centre bore, this internal oil storage chamber that is used for storing lubricating oil that is equipped with of gear sleeve, the oil outlet setting in oil storage chamber is in the centre bore. Through in this internal oil storage chamber that sets up of gear sleeve, can save lubricating oil at the oil storage intracavity, when using, lubricating oil is reserved in can following the oil outlet, and then can lubricate the internal spline like this, and when the meshing, because lubricating oil has had the lubricating function, consequently, wearing and tearing that can effectual reduction internal spline lengthen gear sleeve's life.
Description
Technical field
This utility model relates to a kind of automobile gearbox accessory, more specifically, it relates to a kind of tooth set.
Background technology
Sliding gear collar single-degree-of-freedom is slidably matched and is sleeved on splined shaft, utilizes shift fork to drive it along splined shaft slip and realizes engaging and then the purpose of transfer motion power with other spline structures extension shelves.Although existing sliding gear collar disclosure satisfy that use requirement to a certain extent, but, after hanging shelves engagement, problem out of supply easily occurs, cause power output to be interrupted, affect stability and the reliability of power transmission.
Therefore, notification number is that the utility model of CN204186980 provides a kind of sliding gear collar, by the spline tooth of internal spline II is set to teeth, after sliding gear collar engages with other spline structures, utilize the characteristic that teeth change width is different, it is possible to be prevented effectively between sliding gear collar and other spline structures out of supply so that change speed gear box performance is more stable.
But in actual use, existing sliding gear collar, internal spline is that uniform array is arranged on tooth set body interior mostly, it is the most intensive that internal spline is distributed, when spline is wanted to insert in centre bore, the most internal splines, it is necessary to carry out finding accurately of the most number of times, spline structure is the most inconvenient in wanting to insert sliding gear collar；Additionally, due to be only merely the connection using the mode of grafting to realize other spline structures and sliding gear collar, the most also it is not provided with any stopping means, therefore, after other spline structures insert in sliding gear collar, in this case it is still possible to can drop in sliding gear collar, limit effect is the best；Additionally, operationally, owing to internal spline needs to engage with tooth hub, after using time length, internal spline is easy for wearing and tearing, and the service life of internal spline is the highest.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of tooth set, can reduce the abrasion of internal spline and then extend the service life of internal spline.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of tooth set, body is overlapped including tooth, described tooth set body is provided with fork slot, described tooth set body is provided with centre bore, the periphery of described centre bore is provided with internal spline, described tooth this internal shoe cream room being provided with for storing lubricating oil of set, in the centrally disposed hole of oil outlet of described shoe cream room.
By using technique scheme: by overlapping at tooth, basis is the most internal arranges shoe cream room, lubricating oil can be stored in shoe cream room, the most in use, lubricating oil can reserve in oil outlet, and then can be lubricated internal spline, when engagement, owing to lubricating oil is provided with lubricating function, therefore, it can effectively reduce the abrasion of internal spline, extend the service life of tooth set.
It is also preferred that the left described internal spline circumference array is arranged on the inwall of periphery, described internal spline includes connecting internal spline and location internal spline, the twice of the spacing that distance is adjacent connection internal spline between described location internal spline with connection internal spline.
By using technique scheme: by arranging wider backlash in the both sides of location internal spline, increase backlash, the spline on tooth hub can be facilitated to insert in tooth set, but owing to backlash is less, remaining connection internal spline, still can play the best interconnection function, it is ensured that connect effect.
It is also preferred that the left the crest top land of described location internal spline is provided with detent, described oil outlet is arranged in detent.
By using technique scheme: by arranging detent, limit spline position in axle sleeve, it is to avoid spline comes off when free state in tooth overlaps, improve tooth set and tooth hub stability in use.By oil outlet is arranged in detent, oil outlet can be played a protective role, and, oil outlet is arranged on bottom detent, lubricating oil can be facilitated to spread, play more preferable lubricant effect.
It is also preferred that the left described location internal spline is the angle between three and adjacent internal spline is 120 °.
By using technique scheme: by being evenly distributed on gear ring by location internal spline, therefore, it can visibly homogeneous sharing and position internal spline pressure experienced, the overall stress making tooth overlap is visibly homogeneous, extends the service life of tooth set.
It is also preferred that the left the tapered setting of the both ends of the surface of described internal spline.
By using technique scheme: the tapered setting of both ends of the surface of internal spline, the conical surface is flared out arranging, and can increase the size of opening between internal spline and internal spline, and convenient initial position is found accurately when, spline structure inserts in tooth set.
It is also preferred that the left the two ends of described internal spline are equipped with slot to make way, described slot to make way is arranged on the two sides of internal spline.
By using technique scheme: after spline enters in tooth overlaps, slot to make way can play guiding function, the spline on tooth hub is facilitated to enter in tooth set, additionally, by arranging slot to make way, the weight of internal spline can also be alleviated, internal spline is arranged to two little, middle thick structure, structural strength still can be guaranteed, both save material, ensure that structural strength.
It is also preferred that the left the outer circumference surface of described tooth set body is provided with external splines, the two ends of described external splines are provided with inclined plane relatively.
By using technique scheme: by arranging external splines, a tooth set, it is possible to achieve Multi-stage transmission, improve transmission effect, be relatively provided with inclined plane at the two ends of external splines, by arranging inclined plane, the open-shaped state of the opening between adjacent external splines can be made to arrange, facilitate transmission to engage.
It is also preferred that the left the sidewall of described fork slot is provided with chamfering structure.
By using technique scheme: by arranging chamfering structure, can reduce and the phenomenon that stress is concentrated occurs between the side of fork slot and bottom surface, improve the overall construction intensity of tooth set, effectively extend the service life of tooth set.
It is also preferred that the left the surface of described internal spline is provided with wearing layer.
By using technique scheme: by arranging wearing layer, can extend the service life of internal spline, the tooth set produced is the most durable.
It is also preferred that the left described wearing layer includes silicon carbide-containing polyether sulfone wear-resistant paint layer.
By using technique scheme: silicon carbide-containing polyether sulfone wear-resistant paint mainly includes heat stability and the mechanical performance with excellence, polyethersulfone resin base coating has good adhesive force, resistance to impact, excellent corrosion resistance, is the anti-wear performance that the performance being currently known is the most excellent.
In sum, this utility model has the advantages that by arranging connection internal spline and location internal spline, increase the gap between adjacent internal spline, achieve the insertion of spline very easily, achieve engagement very easily, by arranging slot to make way, after spline enters in tooth set, slot to make way can play guiding function, the spline on tooth hub is facilitated to enter in tooth set, the cross sectional shape of internal spline is isosceles trapezoid, by the cross section of internal spline is arranged to trapezoidal, the contact area of internal spline and tooth set body can be increased, internal spline is made more to be stably fixed to tooth set body interior, effectively avoid internal spline and phenomenon of rupture occurs, by arranging wearing layer, the service life of internal spline can be extended, the tooth set produced is the most durable.
Accompanying drawing explanation
Fig. 1 is that the axle of the present embodiment surveys view；
Fig. 2 is the front view of the present embodiment；
Fig. 3 is the side view of the present embodiment.
In figure: 1, tooth set body；2, fork slot；21, chamfering structure；3, centre bore；4, internal spline；41, internal spline is connected；42, location internal spline；5, slot to make way；6, detent；7, external splines；71, inclined plane.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
nullA kind of tooth set，Body 1 is overlapped including tooth，The tooth set cylindrical setting of body 1，Tooth set body 1 is provided with fork slot 2，Fork slot 2 is arranged ringwise，Fork slot 2 is arranged on the outer circumference surface of tooth set body 1，Process for convenience，It is provided with chamfering structure 21 between sidewall and the bottom surface of fork slot 2，By arranging chamfering structure 21，Can reduce, between side and the bottom surface of fork slot 2, the phenomenon that stress is concentrated occur，Improve the overall construction intensity of tooth set，Effectively extend the service life of tooth set，Tooth set body 1 is provided with centre bore 3，Centre bore 3 runs through tooth set body 1 and arranges，The periphery of centre bore 3 is provided with internal spline 4，Internal spline 4 circumference array is arranged on the inwall of periphery，The distribution of internal spline 4 and size，All produce according to the spline structure coordinated with it，During work，Spline structure inserts in tooth set，Realize relevant transmission，The cross sectional shape of internal spline 4 is isosceles trapezoid，By the cross section of internal spline 4 is arranged to trapezoidal，The contact area of internal spline 4 and tooth set body 1 can be increased，Internal spline 4 is made more to be stably fixed to tooth set body 1 internal，Effectively avoid internal spline 4 and phenomenon of rupture occurs，In spline structure inserts centre bore 3 for convenience，The tapered setting of both ends of the surface of internal spline 4，The conical surface is flared out arranging，The size of opening between internal spline 4 and internal spline 4 can be increased，Convenient initial position is found accurately when，Spline structure inserts in tooth set，Simultaneously，It is equipped with slot to make way 5 at the two ends of internal spline 4，Slot to make way 5 is arranged on the two sides of internal spline 4.By arranging slot to make way 5, after spline enters in tooth set, slot to make way 5 can play guiding function, facilitates the spline on tooth hub to enter in tooth set, in addition, by arranging slot to make way 5, it is also possible to alleviate the weight of internal spline 4, internal spline 4 is arranged to two little, middle thick structure, structural strength still can be guaranteed, and has both saved material, has ensured that structural strength.
Internal spline 4 includes connecting internal spline 41 and location internal spline 42, connect internal spline 41 the most identical with the structure of location internal spline 42, it is all to use identical working procedure processing out, twice at location internal spline 42 with the spacing that distance is adjacent connection internal spline 41 connected between internal spline 41, by arranging wider backlash in the both sides of location internal spline 42, increase backlash, the spline on tooth hub can be facilitated to insert in tooth set, but owing to backlash is less, remaining connection internal spline 41, still can play the best interconnection function, it is ensured that connect effect.
It is provided with the shoe cream room for storing lubricating oil in tooth set body 1, in the centrally disposed hole of oil outlet 3 of shoe cream room, by arranging shoe cream room in tooth set body 1, lubricating oil can be stored in shoe cream room, the most in use, lubricating oil can reserve in oil outlet, and then internal spline 4 can be lubricated, when engagement, owing to lubricating oil is provided with lubricating function, therefore, the abrasion of internal spline 4 can be effectively reduced, extend the service life of tooth set, in addition, by oil outlet is arranged in detent, oil outlet can be played a protective role, and, oil outlet is arranged on bottom detent 6, lubricating oil can be facilitated to spread, play more preferable lubricant effect.
In the present embodiment, location internal spline 42 be the angle between three and adjacent internal spline 4 be 120 °, by location internal spline 42 is evenly distributed on gear ring, therefore, can be visibly homogeneous share positions internal spline 42 pressure experienced, the overall stress making tooth overlap is visibly homogeneous, extends the service life of tooth set, is provided with detent 6 on the crest top land of location internal spline 42.The spline of wheel hub is provided with the spring steel ball coordinated with detent 6, during work, after general spline inserts in detent 6, in spring steel ball press-in detent 6, the position of spline can be limited in the axial direction, serve more preferable position-limiting action, by arranging detent 6, limit spline position in axle sleeve, it is to avoid spline comes off when free state in tooth overlaps, improve tooth set and tooth hub stability in use.
In order to improve the transmission efficiency of tooth set, the outer circumference surface of tooth set body 1 is provided with external splines 7, by arranging external splines 7, external splines 7 can coordinate with corresponding driving member, a tooth set, Multi-stage transmission can be realized, improve transmission effect, be relatively provided with inclined plane 71 at the two ends of external splines 7, by arranging inclined plane 71, the open-shaped state of opening between adjacent external splines 7 can be made to arrange, facilitate transmission to engage.
In order to improve the anti-wear performance of internal spline 4, the surface of internal spline 4 is provided with wearing layer.By arranging wearing layer, can extend the service life of internal spline 4, the tooth set produced is the most durable.Wearing layer includes silicon carbide-containing polyether sulfone wear-resistant paint layer.Silicon carbide-containing polyether sulfone wear-resistant paint layer is formed by the coating of silicon carbide-containing polyether sulfone wear-resistant paint, silicon carbide-containing polyether sulfone wear-resistant paint mainly has heat stability and the mechanical performance of excellence, polyethersulfone resin base coating has good adhesive force, resistance to impact, excellent corrosion resistance, it it is the anti-wear performance that the performance being currently known is the most excellent, its concrete preparation method is referred to " preparation of silicon carbide-containing polyether sulfone wear-resistant paint and performance study " literary composition of Wang Chenglong master, belong to prior art, do not repeat them here.
By arranging connection internal spline 41 and location internal spline 42, increase the gap between adjacent internal spline 4, achieve the insertion of spline very easily, achieve engagement very easily, by arranging slot to make way 5, after spline enters in tooth set, slot to make way 5 can play guiding function, the spline on tooth hub is facilitated to enter in tooth set, the cross sectional shape of internal spline 4 is isosceles trapezoid, by the cross section of internal spline 4 is arranged to trapezoidal, the contact area of internal spline 4 and tooth set body 1 can be increased, internal spline 4 is made more to be stably fixed to tooth set body 1 internal, effectively avoid internal spline 4 and phenomenon of rupture occurs, by arranging wearing layer, the service life of internal spline 4 can be extended, the tooth set produced is the most durable.
Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a tooth set, including tooth set body (1), described tooth set body (1) is provided with fork slot (2), described tooth set body (1) is provided with centre bore (3), the periphery of described centre bore (3) is provided with internal spline (4), it is characterized in that: in described tooth set body (1), be provided with the shoe cream room for storing lubricating oil, in the centrally disposed hole of oil outlet (3) of described shoe cream room.
Tooth set the most according to claim 1 and 2, it is characterized in that: described internal spline (4) circumference array is arranged on the inwall of periphery, described internal spline (4) includes connecting internal spline (41) and location internal spline (42), the twice of the spacing that distance is adjacent connection internal spline (41) between described location internal spline (42) with connection internal spline (41).
Tooth set the most according to claim 2, it is characterised in that: the crest top land of described location internal spline (42) is provided with detent (6), and described oil outlet is arranged in detent (6).
Tooth set the most according to claim 3, it is characterised in that: described location internal spline (42) be the angle between three and adjacent internal spline (4) be 120 °.
Tooth set the most according to claim 3, it is characterised in that: the tapered setting of both ends of the surface of described internal spline (4).
Tooth set the most according to claim 5, it is characterised in that: the two ends of described internal spline (4) are equipped with slot to make way (5), and described slot to make way (5) is arranged on the two sides of internal spline (4).
Tooth set the most according to claim 1, it is characterised in that: the outer circumference surface of described tooth set body (1) is provided with external splines (7), and the two ends of described external splines (7) are provided with inclined plane (71) relatively.
Tooth set the most according to claim 1, it is characterised in that: the sidewall of described fork slot (2) is provided with chamfering structure (21).
Tooth set the most according to claim 1, it is characterised in that: the surface of described internal spline (4) is provided with wearing layer.
Tooth set the most according to claim 9, it is characterised in that: described wearing layer includes silicon carbide-containing polyether sulfone wear-resistant paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620158873.XU CN205578709U (en) | 2016-03-02 | 2016-03-02 | Gear sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620158873.XU CN205578709U (en) | 2016-03-02 | 2016-03-02 | Gear sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578709U true CN205578709U (en) | 2016-09-14 |
Family
ID=56871519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620158873.XU Expired - Fee Related CN205578709U (en) | 2016-03-02 | 2016-03-02 | Gear sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780756A (en) * | 2021-01-19 | 2021-05-11 | 临海市海世达机械有限公司 | Single gear box with wheel axles on two sides |
-
2016
- 2016-03-02 CN CN201620158873.XU patent/CN205578709U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780756A (en) * | 2021-01-19 | 2021-05-11 | 临海市海世达机械有限公司 | Single gear box with wheel axles on two sides |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 |