CN209604420U - A kind of pinion ball spline - Google Patents
A kind of pinion ball spline Download PDFInfo
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- CN209604420U CN209604420U CN201920103894.5U CN201920103894U CN209604420U CN 209604420 U CN209604420 U CN 209604420U CN 201920103894 U CN201920103894 U CN 201920103894U CN 209604420 U CN209604420 U CN 209604420U
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- spline
- main body
- sealing ring
- outer cylinder
- ring
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Abstract
The utility model discloses a kind of pinion ball splines, including spline main body, the outer surface of the spline main body is provided with gear grooved, and circular through hole is provided at the center of spline main body, the bottom end of the spline main body is equipped with the first sealing ring, and spline outer cylinder is enclosed on the outside of spline main body, the hinged place of the spline main body and spline outer cylinder is equipped with advance ball, the bottom end of the advance ball is provided with end cap, the surface of the end cap is provided with lubrication hole, and the bottom of end cap is equipped with clamping washer, the second sealing ring is installed below the spline outer cylinder, and second is equipped with third sealing ring below sealing ring, the upper end of the spline main body is provided with water proof ring, and water proof ring surface is provided with aperture, sleeve is installed above the water proof ring.The utility model solves the problems such as current pinion ball spline sealing performance is poor, and frictional resistance is larger, easily causes frictional dissipation.
Description
Technical field
The utility model relates to spline apparatus field, specifically a kind of pinion ball spline.
Background technique
Spline connection is made of internal spline and external splines.Inside and outside spline is multiple tooth part, the flower on inner periphery
Key is internal spline, and the spline on outer cylinder surface is external splines.Obviously, spline connection is hair of the Flat dey joint in number
Exhibition.Spline is normal structure.Flat dey joint is usually used in coupling for gear with interference fit or shaft coupling and axis.Usual spline
Coupling this connection is not interference, thus coupled part needs axial restraint.The fast Yi Youyou of spline includes spline connection
Bearing capacity is high, good to neutrality, but manufacturing cost is higher, need to be processed with dedicated tool.Due to structure type and manufacturing process
Difference, compared with Flat dey joint, spline, which is connected in intensity, technique and use aspect, following characteristics: because on axis with hub bore
It is upper directly equably to produce more tooth and slot, therefore spline connection stress is more uniform；Because slot is shallower, stress is concentrated at tooth root
Smaller, the strength reduction of axis and hub is less；The number of teeth is more, and total contact area is larger, thus can bear biggish load；Zero on axis
Part and axis to neutral good, this is critically important to high speed and precision machinery.
The problems such as pinion ball spline sealing performance is poor at present, and frictional resistance is larger, easily causes frictional dissipation, therefore city
It is badly in need of developing a kind of novel pinion ball spline in field.
Utility model content
The purpose of this utility model is to provide a kind of pinion ball splines, to solve pinion ball flower in the prior art
The problems such as key sealing performance is poor, and frictional resistance is larger, easily causes frictional dissipation.
To achieve the above object, the utility model provides the following technical solutions: a kind of pinion ball spline, including spline master
Body, the outer surface of the spline main body is provided with gear grooved, and circular through hole is provided at the center of spline main body, the flower
The bottom end of key main body is equipped with the first sealing ring, and spline outer cylinder is enclosed on the outside of spline main body, the spline main body and flower
The hinged place of key outer cylinder is equipped with advance ball, and the bottom end of the advance ball is provided with end cap, the surface setting of the end cap
There is lubrication hole, and the bottom of end cap is equipped with clamping washer, is equipped with the second sealing ring below the spline outer cylinder, and second is close
Third sealing ring is installed below seal, the upper end of the spline main body is provided with water proof ring, and water proof ring surface is provided with out
Hole is equipped with sleeve above the water proof ring.
Preferably, one end of the spline main body passes through aperture and sleeve connection.
Preferably, the upper end of the sleeve is provided with engaging groove.
Preferably, the bottom surface of the sleeve is equipped with snap ring, and the surface of snap ring is provided with fixation hole.
Preferably, the other end of the spline main body passes through spline outer cylinder and extends to inside third sealing ring.
Preferably, first sealing ring, the second sealing ring are identical with third sealing ring size diameter.
Compared with prior art, the utility model has the beneficial effects that the utility model is installed in the bottom end of spline main body
There is the first sealing ring, the second sealing ring is installed below spline outer cylinder, third sealing ring is installed below the second sealing ring, is passed through
It is provided with sealing ring in the hinged place of the components such as spline main body and spline outer cylinder, good sealing and dustproof effect can be played, together
When have the advantages of being completely embedded；The upper end of spline main body is provided with water proof ring, water proof ring can be to spline main body upper end-face edge at
Carry out waterproof sealing processing；The hinged place of spline main body and spline outer cylinder is equipped with advance ball, and advance ball can play rolling
The effect of dynamic friction effectively slows down the frictional resistance between spline main body and spline outer cylinder, avoids and causes the damage that excessively rubs
Consumption, improves the service life of spline main body；The surface of end cap is provided with lubrication hole, lubrication hole can be convenient lubricating oil penetrate into
In spline main body, plays lubrication and reduce rubbing action.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pinion ball spline of the utility model.
Fig. 2 is the tube-in-tube structure schematic diagram of the utility model.
Fig. 3 is the spline agent structure schematic diagram of the utility model.
In figure: 1, sleeve；2, water proof ring；3, spline outer cylinder；4, end cap；5, lubrication hole；6, the second sealing ring；7, aperture；
8, spline main body；9, advance ball；10, clamping washer；11, third sealing ring；12, engage groove；13, snap ring；14, fixed
Hole；15, gear grooved；16, the first sealing ring；17, circular through hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of pinion ball spline, including spline main body 8, spline master
The outer surface of body 8 is provided with gear grooved 15, and circular through hole 17 is provided at the center of spline main body 8, the bottom of spline main body 8
End is equipped with the first sealing ring 16, and the outside of spline main body 8 is enclosed with spline outer cylinder 3, spline main body 8 and spline outer cylinder 3
Hinged place is equipped with advance ball 9, and the bottom end of advance ball 9 is provided with end cap 4, and the surface of end cap 4 is provided with lubrication hole 5, and
The bottom of end cap 4 is equipped with clamping washer 10, and the second sealing ring 6, and 6 lower section of the second sealing ring are equipped with below spline outer cylinder 3
Third sealing ring 11 is installed, the upper end of spline main body 8 is provided with water proof ring 2, and 2 surface of water proof ring is provided with aperture 7, waterproof
The top of circle 2 is equipped with sleeve 1, and one end of spline main body 8 passes through aperture 7 and connect with sleeve 1, and the upper end of sleeve 1 is provided with card
Groove 12 is closed, the bottom surface of sleeve 1 is equipped with snap ring 13, and the surface of snap ring 13 is provided with fixation hole 14, spline main body 8
The other end passes through spline outer cylinder 3 and extends to inside third sealing ring 11, the first sealing ring 16, the second sealing ring 6 and third sealing
It is identical to enclose 11 size diameters.
The working principle of the utility model is: the outside of spline main body 8 is enclosed with spline outer cylinder 3, spline main body 8 and spline
The hinged place of outer cylinder 3 is equipped with advance ball 9, and advance ball 9 can play the role of rolling friction, effectively slows down spline master
Frictional resistance between body 8 and spline outer cylinder 3 avoids and causes excessive frictional dissipation, and improve spline main body 8 uses the longevity
Life, the bottom end of advance ball 9 are provided with end cap 4, and the surface of end cap 4 is provided with lubrication hole 5, and lubrication hole 5 can be convenient lubricating oil
It penetrates into spline main body 8, plays lubrication and reduce rubbing action, the bottom end of spline main body 8 is equipped with the first sealing ring 16, spline
Second sealing ring 6 is installed below outer cylinder 3, and third sealing ring 11 is installed below the second sealing ring 6, by spline main body
The hinged place of the components such as 8 and spline outer cylinder 3 is provided with sealing ring, can play good sealing and dustproof effect, the company of being provided simultaneously with
Close advantage is connect, the upper end of spline main body 8 is provided with water proof ring 2, and water proof ring 2 can be carried out at 8 upper end-face edge of spline main body
Waterproof sealing processing.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of pinion ball spline, including spline main body (8), which is characterized in that the outer surface of the spline main body (8) is set
It is equipped with gear grooved (15), and is provided with circular through hole (17) at the center of spline main body (8), the bottom end of the spline main body (8)
It is equipped with the first sealing ring (16), and is enclosed with spline outer cylinder (3) on the outside of spline main body (8), the spline main body (8) and flower
The hinged place of key outer cylinder (3) is equipped with advance ball (9), and the bottom end of the advance ball (9) is provided with end cap (4), the end
The surface of lid (4) is provided with lubrication hole (5), and the bottom of end cap (4) is equipped with clamping washer (10), the spline outer cylinder (3)
Lower section is equipped with the second sealing ring (6), and is equipped with third sealing ring (11) below the second sealing ring (6), the spline main body
(8) upper end is provided with water proof ring (2), and water proof ring (2) surface is provided with aperture (7), the top installation of the water proof ring (2)
There is sleeve (1).
2. a kind of pinion ball spline according to claim 1, which is characterized in that wear one end of the spline main body (8)
Aperture (7) is crossed to connect with sleeve (1).
3. a kind of pinion ball spline according to claim 1, which is characterized in that the upper end of the sleeve (1) is provided with
Engage groove (12).
4. a kind of pinion ball spline according to claim 1, which is characterized in that the bottom surface of the sleeve (1) is pacified
Surface equipped with snap ring (13), and snap ring (13) is provided with fixation hole (14).
5. a kind of pinion ball spline according to claim 1, which is characterized in that the other end of the spline main body (8)
It is internal that third sealing ring (11) is extended to across spline outer cylinder (3).
6. a kind of pinion ball spline according to claim 1, which is characterized in that first sealing ring (16), second
Sealing ring (6) is identical with third sealing ring (11) size diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103894.5U CN209604420U (en) | 2019-01-19 | 2019-01-19 | A kind of pinion ball spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920103894.5U CN209604420U (en) | 2019-01-19 | 2019-01-19 | A kind of pinion ball spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604420U true CN209604420U (en) | 2019-11-08 |
Family
ID=68401533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920103894.5U Active CN209604420U (en) | 2019-01-19 | 2019-01-19 | A kind of pinion ball spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577777A (en) * | 2020-04-22 | 2020-08-25 | 乐清市重鑫机械制造有限公司 | Drum-shaped tooth type coupling |
-
2019
- 2019-01-19 CN CN201920103894.5U patent/CN209604420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577777A (en) * | 2020-04-22 | 2020-08-25 | 乐清市重鑫机械制造有限公司 | Drum-shaped tooth type coupling |
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