CN217328409U - Ball screw nut rotating and lubricating structure - Google Patents

Abstract

The utility model discloses a ball screw nut rotates lubricating structure relates to ball screw technical field, including the lead screw body, the outside of lead screw body is provided with the nut, and the inside of nut is provided with a plurality of ball bodies, the oil duct has been seted up to the one end of nut, and the angle such as the inside of nut has seted up four group's branch roads, four locating holes of having seted up of angle such as the outside of nut, the collar is installed in the outside of nut, and the both ends of collar one end have all seted up the grease chamber. The utility model discloses a because angle and position that the branch set up can be so that lubricated liquid when the inside of oil duct flows, partly can enter into the inside of nut through the branch and carry out lubricated work, and another part alright with the inside of returning to the grease chamber of the other end through oil pipe, reduce the waste of lubricated liquid to be provided with the existence of sealing rubber ring, utilize the better sealed effect of sealing rubber ring, can effectually avoid this device phenomenon that lubricated liquid leaked to appear.

Description

Ball screw nut rotating and lubricating structure

Technical Field

The utility model relates to a ball screw technical field specifically is a ball screw nut rotates lubricating structure.

Background

Ball screw turns into linear motion with rotary motion, and the rotation through the lead screw makes the nut in the outside carry out linear motion, mainly rotates in corresponding ball inslot portion through utilizing the ball to realize, for the life who improves ball screw, and is very important to the rolling lubrication of ball, current lubricating structure to the inside ball of nut, the structure is comparatively simple, the phenomenon that lubricating fluid spills appears easily to still cause the extravagant phenomenon of lubricating fluid easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball screw nut rotates lubricating structure to solve the extravagant problem of the easy lubricated liquid that causes that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball screw nut rotates lubricating structure, includes the lead screw body, the outside of lead screw body is provided with the nut, and the inside of nut is provided with a plurality of ball bodies, the oil duct has been seted up to the one end of nut, and the inside of nut waits the angle four groups of branch ways of having seted up, the outside of nut waits the angle four locating holes of having seted up, the collar is installed in the outside of nut, and the both ends of collar one end have all seted up grease chamber, four jacks have been seted up in the outside of collar, and the one end of jack is provided with oil pipe, oil pipe's the outside is provided with the protection piece.

Preferably, the branch channel is in an inclined state and is symmetrical about the central axis of the screw rod body.

Preferably, the positioning hole and the insertion hole are both in an inclined state, and the inclination angles of the positioning hole and the insertion hole are thirty degrees.

Preferably, one end of the oil pipe penetrates through the outer side of the mounting ring and extends into the oil chamber, and the other end of the oil pipe penetrates through the positioning hole and the insertion hole in sequence and extends into the oil duct.

Preferably, the outer sides of the two ends of the oil pipe are respectively provided with a sealing rubber ring, and the outer sides of the sealing rubber rings are in contact with the inner walls of the positioning holes and the insertion holes.

Preferably, the both ends of collar have all been seted up and have been added the liquid mouth, and the inside one end of adding the liquid mouth runs through the inside one end of grease chamber and is linked together with the grease chamber.

Preferably, the both ends of collar all are provided with sealing bolt, and sealing bolt's one end runs through collar one end and extends to inside adding the liquid mouth, the inner wall that adds the liquid mouth be provided with sealing bolt outside phase-match internal thread.

Preferably, the protection sheet is arc-shaped, the inner part of the protection sheet is close to the outer side of the oil pipe, and two ends of the protection sheet are connected with the outer side of the mounting ring through screw fixation.

Preferably, one end inside the branch channel penetrates through the inner wall of the oil channel and is communicated with the oil channel, and one end inside the positioning hole penetrates through the inner wall of the oil channel and is communicated with the oil channel.

Compared with the prior art, the utility model provides a pair of ball screw nut rotates lubricating structure has following beneficial effect:

the utility model provides a have a branch road and oil duct, through utilizing the existence of a branch road, because angle and position that the branch road set up, can be so that lubricated liquid when the inside of oil duct flows, partly can enter into the inside of nut through a branch road and lubricate the work, and another part alright with the inside of returning to the grease chamber of the other end through oil pipe, reduce the waste of lubricated liquid, and be provided with the existence of sealing rubber ring, utilize the better sealed effect of sealing rubber ring, can effectually avoid this device phenomenon that lubricated liquid leaked to appear.

Drawings

Fig. 1 is a schematic side view of the cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a liquid adding port; 2. a mounting ring; 3. a protective sheet; 4. a screw rod body; 5. an oil passage; 6. an oil chamber; 7. a seal bolt; 8. a nut; 9. a branch road; 10. an oil pipe; 11. a ball body; 12. positioning holes; 13. a jack; 14. and sealing the rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-3, a ball screw nut rotation lubrication structure includes a screw body 4, a nut 8 is disposed on an outer side of the screw body 4, a plurality of ball bodies 11 are disposed inside the nut 8, an oil passage 5 is disposed at one end of the nut 8, four sets of branch passages 9 are disposed inside the nut 8 at equal angles, four positioning holes 12 are disposed on an outer side of the nut 8 at equal angles, a mounting ring 2 is mounted on an outer side of the nut 8, oil chambers 6 are disposed at two ends of one end of the mounting ring 2, four insertion holes 13 are disposed on an outer side of the mounting ring 2, an oil pipe 10 is disposed at one end of each insertion hole 13, and a protection sheet 3 is disposed on an outer side of each oil pipe 10;

one end inside the branch channel 9 penetrates through the inner wall of the oil channel 5 and is communicated with the oil channel 5, and one end inside the positioning hole 12 penetrates through the inner wall of the oil channel 5 and is communicated with the oil channel 5;

the positioning hole 12 and the insertion hole 13 are both in an inclined state, and the inclination angles of the positioning hole 12 and the insertion hole 13 are thirty degrees;

one end of the oil pipe 10 penetrates through the outer side of the mounting ring 2 and extends into the oil chamber 6, and the other end of the oil pipe 10 sequentially penetrates through the positioning hole 12 and the jack 13 and extends into the oil passage 5;

specifically, as shown in fig. 1, 2 and 3, by providing the oil pipe 10, the lubricating liquid in the oil chamber 6 can be transferred into the oil passage 5 through the oil pipe 10, and then flows in the oil passage 5 due to the gravity, so that a part of the lubricating liquid can be moved into the nut 8 through the branch passage 9, and a part of the lubricating liquid can be returned into the oil chamber 6 at the other end through the oil pipe 10, thereby effectively avoiding the phenomenon of lubricating liquid waste.

Sealing rubber rings 14 are arranged on the outer sides of two ends of the oil pipe 10, and the outer sides of the sealing rubber rings 14 are in contact with the positioning holes 12 and the inner walls of the jacks 13;

specifically, as shown in fig. 1, by providing the sealing rubber ring 14, a good sealing effect can be achieved for the positioning hole 12 and the insertion hole 13, and the phenomenon that the lubricating oil in the oil passage 5 leaks through the positioning hole 12 and the insertion hole 13 is prevented.

The protection sheet 3 is arc-shaped, the inside of the protection sheet 3 is close to the outer side of the oil pipe 10, and two ends of the protection sheet 3 are both connected with the outer side of the mounting ring 2 through screw fixation;

specifically, as shown in fig. 1 and 2, the protection sheet 3 is provided to protect the oil pipe 10 and prevent the oil pipe 10 from being pulled out due to accidental touch.

Two ends of the mounting ring 2 are both provided with liquid adding ports 1, and one end inside each liquid adding port 1 penetrates through one end inside the oil chamber 6 and is communicated with the oil chamber 6;

sealing bolts 7 are arranged at two ends of the mounting ring 2, one end of each sealing bolt 7 penetrates through one end of the mounting ring 2 and extends into the liquid adding port 1, and internal threads matched with the outer sides of the sealing bolts 7 are arranged on the inner wall of the liquid adding port 1;

specifically, as shown in fig. 1 and 2, the presence of the liquid adding port 1 facilitates adding lubricating liquid into the oil chamber 6, and the threaded connection between the liquid adding port 1 and the sealing bolt 7 not only provides a good sealing effect for the liquid adding port 1, but also facilitates opening and closing of the liquid adding port 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a ball screw nut rotates lubricating structure, includes lead screw body (4), its characterized in that: the outer side of lead screw body (4) is provided with nut (8), and the inside of nut (8) is provided with a plurality of ball bodies (11), oil duct (5) have been seted up to the one end of nut (8), and the inside of nut (8) waits the angle and has seted up four group's way (9), the outside of nut (8) waits the angle and has seted up four locating holes (12), collar (2) are installed in the outside of nut (8), and grease chamber (6) have all been seted up at the both ends of collar (2) one end, four jacks (13) have been seted up in the outside of collar (2), and the one end of jack (13) is provided with oil pipe (10), the outside of oil pipe (10) is provided with protection piece (3).

2. The ball screw nut rotary lubrication structure according to claim 1, wherein: the branch channel (9) is in an inclined state, and the branch channel (9) is symmetrical about the central axis of the screw rod body (4).

3. The ball screw nut rotary lubrication structure according to claim 1, wherein: the positioning hole (12) and the insertion hole (13) are both in an inclined state, and the inclination angles of the positioning hole (12) and the insertion hole (13) are thirty degrees.

4. The ball screw nut rotary lubrication structure according to claim 1, wherein: one end of the oil pipe (10) penetrates through the outer side of the mounting ring (2) and extends into the oil chamber (6), and the other end of the oil pipe (10) penetrates through the positioning hole (12) and the insertion hole (13) in sequence and extends into the oil passage (5).

5. The ball screw nut rotary lubrication structure according to claim 1, wherein: and sealing rubber rings (14) are arranged on the outer sides of the two ends of the oil pipe (10), and the outer sides of the sealing rubber rings (14) are in contact with the inner walls of the positioning holes (12) and the insertion holes (13).

6. The ball screw nut rotary lubrication structure according to claim 1, wherein: liquid feeding ports (1) are formed in the two ends of the mounting ring (2), and one end of the inner portion of each liquid feeding port (1) penetrates through one end of the inner portion of the oil chamber (6) and is communicated with the oil chamber (6).

7. The ball screw nut rotary lubrication structure according to claim 6, wherein: the both ends of collar (2) all are provided with sealing bolt (7), and inside the one end of sealing bolt (7) run through collar (2) one end and extend to adding liquid mouth (1), the inner wall that adds liquid mouth (1) is provided with and sealing bolt (7) outside phase-match internal thread.

8. The ball screw nut rotary lubrication structure according to claim 1, wherein: the shape of protection piece (3) is the arc, and the inside and the oil pipe (10) outside of protection piece (3) are close mutually, the both ends of protection piece (3) are all connected with the collar (2) outside through the screw fixation.

9. The ball screw nut rotary lubrication structure according to claim 1, wherein: one end inside the branch channel (9) penetrates through the inner wall of the oil channel (5) and is communicated with the oil channel (5), and one end inside the positioning hole (12) penetrates through the inner wall of the oil channel (5) and is communicated with the oil channel (5).

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