CN207880002U - A kind of sleeve post rod type ball screw assembly, - Google Patents
A kind of sleeve post rod type ball screw assembly, Download PDFInfo
- Publication number
- CN207880002U CN207880002U CN201820247469.9U CN201820247469U CN207880002U CN 207880002 U CN207880002 U CN 207880002U CN 201820247469 U CN201820247469 U CN 201820247469U CN 207880002 U CN207880002 U CN 207880002U
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- Prior art keywords
- sleeve
- axle sleeve
- screw
- close
- lead screw
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Abstract
The utility model discloses a kind of sleeve post rod type ball screw assembly,s, including lead screw shaft and ball grooves, the leading exterior surface of the lead screw shaft is installed with extension rod, and the leading exterior surface of extension rod is installed with connector close to position in the middle, the back end outer surface of the lead screw shaft is movably installed with push rod and sleeve, the outer surface of the lead screw shaft is movably installed with nut axle sleeve close to position in the middle, and the upper end outer surface of nut axle sleeve is installed with reverser close to position in the middle, the both ends outer surface of the reverser is installed with corner, the back end outer surface of the nut axle sleeve is installed with sealing ring.A kind of sleeve post rod type ball screw assembly, described in the utility model is equipped with oil filler point, wear washer and location hole, can facilitate and be lubricated processing to inside, and the service life of equipment can be improved, and the device can also be fixed, it is applicable in different operating situation, brings better prospect of the application.
Description
Technical field
The utility model is related to ball-screw field, more particularly to a kind of sleeve post rod type ball screw assembly,.
Background technology
Ball screw assembly, also known as ball wire bar pair, ball screw pair.By leading screw and two, nut is mating forms.It is mesh
Precision highest is also most common transmission device in driving front machinery, when making object of which movement, needs to generate power in general
Movement be passed to final movement portion indirectly directly or by other mechanisms；Existing ball screw assembly, has one when in use
Fixed drawback is more troublesome when adding lubricating oil to inside when in use, causes the increase of equipment frictional force and lead to rotating speed
It reduces, and when device operates for a long time, it is larger to the damage of leading screw surface contact friction, lead to the reduction of service using life, and
Equipment can not be fixed when in use, be susceptible to the case where voluntarily rotating, brought to the use of ball screw assembly,
Certain influence, for this purpose, it is proposed that a kind of sleeve post rod type ball screw assembly,.
Utility model content
The main purpose of the utility model is to provide a kind of sleeve post rod type ball screw assembly,s, can effectively solve background
The problems in technology.
To achieve the above object, the technical solution that the utility model is taken is：
The leading exterior surface of a kind of sleeve post rod type ball screw assembly, including lead screw shaft and ball grooves, the lead screw shaft is solid
Dingan County is equipped with extension rod, and the leading exterior surface of extension rod is installed with connector, the leading screw close to position in the middle
The back end outer surface of axis is movably installed with push rod and sleeve, and the outer surface of the lead screw shaft is movably installed with close to position in the middle
Nut axle sleeve, and the upper end outer surface of nut axle sleeve is installed with reverser close to position in the middle, the reverser
Both ends outer surface is installed with corner, and the back end outer surface of the nut axle sleeve is installed with sealing ring, and seals
The front inner surface of circle is equipped with reinforcing screw at two side positions of nut axle sleeve, and the upper end inner surface of the sealing ring leans on
Nearly position in the middle is installed with oil filler point, and the position close to side in the inside of nut axle sleeve is arranged in the ball grooves
Place, and ball grooves are internally provided with steel ball, the inside of the nut axle sleeve are installed with resistance to close to one end of ball grooves
Washer is ground, and the inner upper end of nut axle sleeve is equipped with delivery chute, the back end outer surface of the sealing ring is installed with outside reinforcing
Circle, and the inside for reinforcing outer ring is installed with location hole close to position in the middle.
Preferably, the lead screw shaft and the overall structure of extension rod are cylindrical-shaped structure, and lead screw shaft and extension rod
Between connection type be welding.
Preferably, the inner surface of the push rod and sleeve is equipped with screw thread, and is lived by screw thread between push rod and sleeve and lead screw shaft
Dynamic connection.
Preferably, the reinforcing screw is rounded is uniformly distributed, and the outer surface for reinforcing screw is equipped with screw hole, the reinforcing
Screw is flexibly connected across screw hole with sealing ring.
Preferably, the overall structure of the steel ball is round bead shape structure, and the quantity of steel ball is several groups.
Preferably, the overall structure of the wear washer is ring-shaped structure, and between wear washer and nut axle sleeve
Connection type is to be glued.
Compared with prior art, the utility model has the advantages that：The sleeve post rod type ball screw assembly, passes through
The oil filler point being equipped with can facilitate and add lubricating oil to device inside, to prevent the increase of long-time use device frictional force, simultaneously
The wear washer being equipped with, can reduce the frictionally damage that axle sleeve rotation and leading screw contact generate, and making for the device is improved with this
With the service life, in addition to this, the location hole being equipped with can avoid it from occurring certainly by coordinating outer bolt that device is fixed
The case where row rotation, whole device is simple, easy to operate, and the effect used is more preferable relative to traditional approach.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of sleeve post rod type ball screw assembly, of the utility model.
Fig. 2 is a kind of partial sectional view of sleeve post rod type ball screw assembly, of the utility model.
Fig. 3 is the partial enlarged view of A in a kind of Fig. 2 of sleeve post rod type ball screw assembly, of the utility model.
Fig. 4 is the partial enlarged view of B in a kind of Fig. 2 of sleeve post rod type ball screw assembly, of the utility model.
In figure：1, lead screw shaft；2, extension rod；3, connector；4, push rod and sleeve；5, nut axle sleeve；6, reverser；7, bend pipe
Head；8, sealing ring；9, screw is reinforced；10, oil filler point；11, ball grooves；12, steel ball；13, wear washer；14, delivery chute；
15, outer ring is reinforced；16, location hole.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As shown in Figs 1-4, a kind of sleeve post rod type ball screw assembly, including lead screw shaft 1 and ball grooves 11, lead screw shaft 1
Leading exterior surface is installed with extension rod 2, and the leading exterior surface of extension rod 2 is installed with company close to position in the middle
The back end outer surface of connector 3, lead screw shaft 1 is movably installed with push rod and sleeve 4, and the outer surface of lead screw shaft 1 is close to position in the middle
It is movably installed with nut axle sleeve 5, and the upper end outer surface of nut axle sleeve 5 is installed with reverser 6 close to position in the middle,
The both ends outer surface of reverser 6 is installed with corner 7, and the back end outer surface of nut axle sleeve 5 is installed with sealing ring
8, and the front inner surface of sealing ring 8 is equipped at two side positions of nut axle sleeve 5 and reinforces screw 9, the upper end of sealing ring 8
Inner surface is installed with oil filler point 10 close to position in the middle, and ball grooves 11 are arranged in the inside of nut axle sleeve 5 close to one
At the position of side, and ball grooves 11 are internally provided with steel ball 12, and the inside of nut axle sleeve 5 is solid close to one end of ball grooves 11
Dingan County is equipped with wear washer 13, and the inner upper end of nut axle sleeve 5 is equipped with delivery chute 14, and the back end outer surface of sealing ring 8 is fixed
It is equipped with and reinforces outer ring 15, and the inside for reinforcing outer ring 15 is installed with location hole 16 close to position in the middle.
The overall structure of lead screw shaft 1 and extension rod 2 is cylindrical-shaped structure, and the company between lead screw shaft 1 and extension rod 2
It is welding to connect mode；The inner surface of push rod and sleeve 4 is equipped with screw thread, and is connected by screw thread activity between push rod and sleeve 4 and lead screw shaft 1
It connects；Reinforce that screw 9 is rounded is uniformly distributed, and the outer surface for reinforcing screw 9 is equipped with screw hole, reinforce screw 9 pass through screw hole with it is close
Seal 8 is flexibly connected；The overall structure of steel ball 12 is round bead shape structure, and the quantity of steel ball 12 is several groups；It is resistance to
The overall structure for grinding washer 13 is ring-shaped structure, and the connection type between wear washer 13 and nut axle sleeve 5 is to be glued.
It should be noted that the utility model is a kind of sleeve post rod type ball screw assembly, lead screw shaft 1 is fixed on power
On device, the device is fixed in cooperation extension rod 2, connector 3 and push rod and sleeve 4, is movement with the screw thread above leading screw
Track, steel ball 12 rotate in ball grooves 11, are moved by delivery chute 14, and drive nut axle sleeve 5 above into
Row movement reinforces screw 9 and sealing ring 8 and nut axle sleeve 5 is fixed, can be controlled by reverser 6 and corner 7 above
Nut axle sleeve 5 processed carries out the movement of negative direction, and lubricating oil can be internally added by oil filler point 10, and dress is used to prevent long-time
The increase of frictional force is set, while wear washer 13 above can reduce the frictionally damage that axle sleeve rotation and leading screw contact generate,
The service life that the device is improved with this, device when not in use, can will outer bolt inject reinforce outer ring 15 on determine
Device is fixed in hole 16 for position, it is avoided the case where voluntarily rotating occur, more practical to normally be used.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of sleeve post rod type ball screw assembly, including lead screw shaft (1) and ball grooves (11), it is characterised in that：The leading screw
The leading exterior surface of axis (1) is installed with extension rod (2), and the leading exterior surface of extension rod (2) is close to position in the middle
It is installed with connector (3), the back end outer surface of the lead screw shaft (1) is movably installed with push rod and sleeve (4), the lead screw shaft
(1) outer surface is movably installed with nut axle sleeve (5) close to position in the middle, and the upper end outer surface of nut axle sleeve (5) is leaned on
Nearly position in the middle is installed with reverser (6), and the both ends outer surface of the reverser (6) is installed with corner
(7), the back end outer surface of the nut axle sleeve (5) is installed with sealing ring (8), and the front inner surface of sealing ring (8) leans on
It is equipped at two side positions of nearly nut axle sleeve (5) and reinforces screw (9), the upper end inner surface of the sealing ring (8) is close to intermediate
Position at be installed with oil filler point (10), the ball grooves (11) are arranged in the inside of nut axle sleeve (5) close to side
At position, and ball grooves (11) are internally provided with steel ball (12), and the inside of the nut axle sleeve (5) is close to ball grooves (11)
One end be installed with wear washer (13), and the inner upper end of nut axle sleeve (5) is equipped with delivery chute (14), the sealing ring
(8) back end outer surface, which is installed with, reinforces outer ring (15), and the inside for reinforcing outer ring (15) is solid close to position in the middle
Dingan County is equipped with location hole (16).
2. a kind of sleeve post rod type ball screw assembly, according to claim 1, it is characterised in that：The lead screw shaft (1) with
The overall structure of extension rod (2) is cylindrical-shaped structure, and the connection type between lead screw shaft (1) and extension rod (2) is weldering
It connects.
3. a kind of sleeve post rod type ball screw assembly, according to claim 1, it is characterised in that：The push rod and sleeve (4)
Inner surface be equipped with screw thread, and be flexibly connected by screw thread between push rod and sleeve (4) and lead screw shaft (1).
4. a kind of sleeve post rod type ball screw assembly, according to claim 1, it is characterised in that：The reinforcing screw (9)
It is rounded to be uniformly distributed, and the outer surface for reinforcing screw (9) is equipped with screw hole, the reinforcing screw (9) passes through screw hole and sealing ring
(8) it is flexibly connected.
5. a kind of sleeve post rod type ball screw assembly, according to claim 1, it is characterised in that：The steel ball (12)
Overall structure be round bead shape structure, and the quantity of steel ball (12) be several groups.
6. a kind of sleeve post rod type ball screw assembly, according to claim 1, it is characterised in that：The wear washer (13)
Overall structure be ring-shaped structure, and the connection type between wear washer (13) and nut axle sleeve (5) be splicing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820247469.9U CN207880002U (en) | 2018-02-12 | 2018-02-12 | A kind of sleeve post rod type ball screw assembly, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820247469.9U CN207880002U (en) | 2018-02-12 | 2018-02-12 | A kind of sleeve post rod type ball screw assembly, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880002U true CN207880002U (en) | 2018-09-18 |
Family
ID=63498886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820247469.9U Expired - Fee Related CN207880002U (en) | 2018-02-12 | 2018-02-12 | A kind of sleeve post rod type ball screw assembly, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880002U (en) |
-
2018
- 2018-02-12 CN CN201820247469.9U patent/CN207880002U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180918 Termination date: 20210212 |