CN212407486U - Ball screw nut structure - Google Patents
Ball screw nut structure Download PDFInfo
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- CN212407486U CN212407486U CN202020991803.9U CN202020991803U CN212407486U CN 212407486 U CN212407486 U CN 212407486U CN 202020991803 U CN202020991803 U CN 202020991803U CN 212407486 U CN212407486 U CN 212407486U
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Abstract
The utility model discloses a ball screw nut structure, which belongs to the technical field of ball screws, a screw hole is arranged at the central position of a nut main body, a hook groove is arranged on the inner wall of the screw hole, the inner wall of the hook groove is communicated with a through hole, the through hole is connected with a screw through screw threads, the two ends of the screw hole are respectively communicated with a right sealing groove and a left sealing groove, the right sealing groove is connected with a right extrusion sleeve through screw threads, the central position of the right extrusion sleeve is provided with a round hole, one end of the right extrusion sleeve is fixedly connected with a right sealing gasket, the left sealing groove is connected with a, the hook groove and the through hole arranged on the ball screw nut structure are convenient for the rapid installation of the ball after the nut is connected with the screw, and are convenient for the user to check and replace the ball in the hook groove in the later period, and the left extrusion sleeve and the right extrusion sleeve which are arranged improve the installation stability of the left sealing gasket and the right sealing gasket, so that the sealing effects at two ends of the screw rod nut are effectively improved.
Description
Technical Field
The utility model relates to a ball screw technical field, more specifically say, relate to a ball screw nut structure.
Background
The ball screw is the most commonly used transmission element in tool machinery and precision machinery, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency.
At present, current ball screw includes the lead screw, nut and ball, but current nut is when the installation ball, the trouble is taken time and energy to the great extent, the inspection change of later stage ball is not convenient for moreover, and the sealing member that current nut both ends set up, not only be not convenient for install, and mostly not through the thread tightening, so can lead to the sealing member to produce less position when using and remove, thereby the sealed effect at nut both ends has been reduced, for this reason, we have designed a ball screw nut structure, solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a ball screw nut structure, the hook groove and the through-hole that this ball screw nut structure set up are connected the back at nut and lead screw, and the ball of being convenient for is quick installs, and the person's of facilitating the use later stage is examined the ball of hook inslot and is changed moreover to the left extrusion cover and the right extrusion cover that set up have improved the sealed installation stability who fills up in left side and the right side, thereby the effectual sealed effect that improves the lead screw nut both ends.
In order to solve the above problems, the utility model adopts the following technical proposal.
A ball screw nut structure comprises a nut main body, wherein a screw hole is formed in the center of the nut main body, a hook groove is formed in the inner wall of the screw hole, a through hole is communicated with the inner wall of the hook groove, a screw is connected with the through hole through a thread, the two ends of the screw hole are respectively communicated with a right sealing groove and a left sealing groove, the right sealing groove is connected with a right extrusion sleeve through a thread, a round hole is formed in the center of the right extrusion sleeve, a right sealing gasket is fixedly connected to one end of the right extrusion sleeve, a left extrusion sleeve is connected to the left sealing groove through a thread, a left sealing gasket is fixedly connected to one end of the left extrusion sleeve, a left control ring is fixedly connected to the other end of the left extrusion sleeve, an oil inlet and an oil outlet are formed in the surface of the nut main body respectively, one end of the oil inlet is communicated with the hook groove, and the hook groove and, the quick installation of the ball of being convenient for, the person's of facilitating the use later stage is examined the ball of hook inslot moreover and is changed to the left extrusion cover and the right extrusion cover that set up have improved the installation stability that the left side was sealed to fill up and the right side is sealed, thereby the effectual sealed effect that has improved the screw-nut both ends.
Furthermore, the other end fixedly connected with right control ring of right side extrusion cover, the shape of right side control ring is the polygon, a surface and the terminal surface contact of nut main part of right side control ring are connected, and the right control ring person of conveniently using who sets up carries out installing and removing of right side extrusion cover through the spanner, the change of the right sealed pad of later stage of being convenient for.
Further, the shape of right side sealed pad is the ring shape, a side of right side sealed pad is connected with the inner wall contact of right seal groove, the material of right side sealed pad is corrosion-resistant rubber, and the right extrusion cover that sets up has improved the sealed effect of right side sealed pad to lead screw nut's connection leakproofness has been improved.
Furthermore, the side of the hook groove is communicated with a connecting groove, the radius of the connecting groove is smaller than that of the hook groove, and the connecting groove is used for communicating the adjacent hook grooves, so that lubricating oil can be uniformly added conveniently.
Furthermore, the other end of the oil inlet hole is communicated with a sealing hole, an internal thread is arranged on the inner wall of the sealing hole, and a user can conveniently connect the sealing plug with the sealing hole through the thread, so that the sealing performance of the oil inlet hole is improved.
Compared with the prior art, the utility model has the advantages of:
(1) the hook groove and the through hole that this scheme set up are connected the back at nut and lead screw, and the ball of being convenient for is quick installs, and the person's of facilitating the use later stage is examined the ball of hook inslot moreover and is changed to the left extrusion cover and the right extrusion cover that set up have improved the left sealed installation stability who fills up and the right sealed pad, thereby the effectual sealed effect that improves the screw-nut both ends.
(2) The other end fixedly connected with right control ring of right side extrusion cover, the shape of right control ring is the polygon, and a surface of right control ring is connected with a terminal surface contact of nut main part, and the right control ring person of setting carries out installing and removing of right side extrusion cover through the spanner, the change of the right sealed pad of the later stage of being convenient for.
(3) The right sealing gasket is in a ring shape, one side face of the right sealing gasket is in contact connection with the inner wall of the right sealing groove, the right sealing gasket is made of corrosion-resistant rubber, and the right extrusion sleeve is arranged to improve the sealing effect of the right sealing gasket, so that the connection sealing performance of the screw rod nut is improved.
(4) The side intercommunication of hook groove has the spread groove, and the radius of spread groove is less than the radius of hook groove, and the spread groove that sets up is used for communicateing adjacent hook groove, the even interpolation of the lubricating oil of being convenient for.
(5) The other end intercommunication of inlet port has sealed hole, and the inner wall in sealed hole is equipped with the internal thread, and the sealed hole person of being convenient for use who sets up passes through threaded connection sealing plug to improve the leakproofness of inlet port.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the right extrusion sleeve structure of the present invention;
fig. 3 is a side view of the structure of the oil inlet hole of the present invention.
The reference numbers in the figures illustrate:
the nut comprises a nut body 1, a screw hole 11, a hook groove 12, a connecting groove 13, a through hole 14, a screw 2, a right sealing groove 3, a right extrusion sleeve 4, a right control ring 41, a right sealing gasket 42, a round hole 43, a left sealing groove 5, a left extrusion sleeve 6, a left control ring 61, a left sealing gasket 62, an oil inlet 7, a sealing hole 71 and an oil outlet 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-3, a ball screw nut structure includes a nut body 1, referring to fig. 1-3, a screw hole 11 is opened at a central position of the nut body 1, the screw hole 11 is used for connecting a ball screw, a hook groove 12 is provided on an inner wall of the screw hole 11, the hook groove 12 is used for receiving a ball, a surface of the ball is also in contact connection with a groove provided on the screw, which belongs to the prior art, a cross-sectional shape of the hook groove 12 is semicircular, the hook groove 12 is combined with the groove provided on the screw to form a circle for receiving the ball, an inner wall of the hook groove 12 is communicated with a through hole 14, an inner diameter of the through hole 14 is larger than an outer diameter of the ball, the through hole 14 is communicated with the hook groove 12 for facilitating the ball to be installed into the hook groove 12 and to be replaced by a later inspection, the through hole 14 is connected with a screw 2 through a thread, the screw 2, the right sealing groove 3 is connected with a right extrusion sleeve 4 through threads, the right extrusion sleeve 4 is used for fixing the sealing position of a right sealing gasket 42, the situation that the right sealing gasket 42 is not tightly sealed due to movement when in use is avoided, a round hole 43 is arranged at the central position of the right extrusion sleeve 4, the round hole 43 is used for passing through a screw rod, one end of the right extrusion sleeve 4 is fixedly connected with the right sealing gasket 42, the left sealing groove 5 is connected with a left extrusion sleeve 6 through threads, the left extrusion sleeve 6 and the right extrusion sleeve 4 are the same in shape and structure, one end of the left extrusion sleeve 6 is fixedly connected with a left sealing gasket 62, the left sealing gasket 62 is the same in shape and structure as the right sealing gasket 42, the other end of the left extrusion sleeve 6 is fixedly connected with a left control ring 61, the left control ring 61 and the right control ring 41 are the same in shape and structure, so that the left extrusion sleeve 6 can be conveniently assembled and disassembled, an oil, when the lubricating oil enters from the oil inlet hole 7 and is fully filled in each hook groove 12 through the connecting groove 13, the redundant lubricating oil is discharged through the oil outlet hole 8, a user can conveniently confirm the adding amount of the lubricating oil, and one end of the oil inlet hole 7 is communicated with the hook grooves 12.
Referring to fig. 2, the other end of the right extrusion sleeve 4 is fixedly connected with a right control ring 41, the right control ring 41 is polygonal, one surface of the right control ring 41 is in contact connection with one end surface of the nut body 1, the right control ring 41 is arranged to facilitate a user to assemble and disassemble the right extrusion sleeve 4 through a wrench, so as to facilitate later replacement of the right sealing gasket 42, the right sealing gasket 42 is annular, one side surface of the right sealing gasket 42 is in contact connection with the inner wall of the right sealing groove 3, the right sealing gasket 42 is made of corrosion-resistant rubber, and the right extrusion sleeve 4 is arranged to improve the sealing effect of the right sealing gasket 42, so that the connection sealing performance of the screw nut is improved.
Referring to fig. 1 and 3, the side surface of the hook groove 12 is communicated with a connecting groove 13, the radius of the connecting groove 13 is smaller than that of the hook groove 12, the connecting groove 13 is used for being communicated with the adjacent hook groove 12, so that lubricating oil can be uniformly added, the other end of the oil inlet 7 is communicated with a sealing hole 71, the inner wall of the sealing hole 71 is provided with an internal thread, and the sealing hole 71 is convenient for a user to connect a sealing plug through the thread, so that the sealing performance of the oil inlet 7 is improved.
When the ball screw nut structure is used, the right sealing gasket 42 is sealed in the right sealing groove 3 by clockwise rotating the right extrusion sleeve 4, then the right control ring 41 is clockwise screwed by a spanner to fasten the right extrusion sleeve 4, then the left extrusion sleeve 6 is installed according to the same method, so that the left sealing gasket 62 seals the left sealing groove 5, the installed left extrusion sleeve 6 and the right extrusion sleeve 4 improve the installation stability of the left sealing gasket 62 and the right sealing gasket 42, thereby effectively improving the sealing effect at two ends of the screw nut, then balls are added into an annular groove formed by combining the hook groove 12 and a screw groove through the through hole 14 until the balls are compact, if the balls are not compact, the phenomenon of low-speed sliding of the screw rod can occur, then the screw 2 is clockwise rotated, the screw 2 is in the through hole 14, thereby the through hole 14 is sealed to limit the installation position of the balls, hook groove 12 and the through-hole 14 that set up are connected the back at nut and lead screw, the ball of being convenient for is quick installs, and the person of facilitating the use later stage is examined the ball in the hook groove 12 and is changed, when needs add lubricating oil to the ball in the hook groove 12, open inlet port 7 and oil outlet 8 earlier, then pass through inlet port 7 with lubricating oil and pour into in the hook groove 12, when this hook groove 12 is annotated full of lubricating oil, unnecessary lubricating oil passes through spread groove 13 and gets into next hook groove 12 in, fill lubricating oil in each hook groove 12 until, then unnecessary lubricating oil passes through oil outlet 8 and discharges, stop the interpolation of lubricating oil after that, then through the sealing plug with inlet port 7 and oil outlet 8 seal can.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. A ball screw nut structure, includes nut main part (1), its characterized in that: the nut is characterized in that a screw hole (11) is formed in the center of the nut body (1), a hook groove (12) is formed in the inner wall of the screw hole (11), a through hole (14) is communicated with the inner wall of the hook groove (12), a screw (2) is connected to the through hole (14) through threads, the two ends of the screw hole (11) are respectively communicated with a right sealing groove (3) and a left sealing groove (5), the right sealing groove (3) is connected with a right extrusion sleeve (4) through threads, a round hole (43) is formed in the center of the right extrusion sleeve (4), a right sealing gasket (42) is fixedly connected to one end of the right extrusion sleeve (4), a left extrusion sleeve (6) is connected to the left sealing groove (5) through threads, a left sealing gasket (62) is fixedly connected to one end of the left extrusion sleeve (6), a left control ring (61) is fixedly connected to the other end of the left extrusion sleeve (6), an oil inlet (7) and an oil outlet (, one end of the oil inlet hole (7) is communicated with the hook groove (12).
2. A ball screw nut structure according to claim 1, wherein: the other end fixedly connected with right control ring (41) of right side extrusion cover (4), the shape of right control ring (41) is the polygon, a surface and the terminal surface contact of nut main part (1) of right control ring (41) are connected.
3. A ball screw nut structure according to claim 1, wherein: the shape of right side sealed pad (42) is the ring shape, a side of right side sealed pad (42) is connected with the inner wall contact of right side seal groove (3), the material of right side sealed pad (42) is corrosion-resistant rubber.
4. A ball screw nut structure according to claim 1, wherein: the side surface of the hook groove (12) is communicated with a connecting groove (13), and the radius of the connecting groove (13) is smaller than that of the hook groove (12).
5. A ball screw nut structure according to claim 1, wherein: the other end of the oil inlet hole (7) is communicated with a sealing hole (71), and an internal thread is arranged on the inner wall of the sealing hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020991803.9U CN212407486U (en) | 2020-06-03 | 2020-06-03 | Ball screw nut structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020991803.9U CN212407486U (en) | 2020-06-03 | 2020-06-03 | Ball screw nut structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407486U true CN212407486U (en) | 2021-01-26 |
Family
ID=74408772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020991803.9U Active CN212407486U (en) | 2020-06-03 | 2020-06-03 | Ball screw nut structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407486U (en) |
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2020
- 2020-06-03 CN CN202020991803.9U patent/CN212407486U/en active Active
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