CN217539502U

CN217539502U - Detachable ball screw

Info

Publication number: CN217539502U
Application number: CN202123147702.7U
Authority: CN
Inventors: 季平; 茅建荣; 钮允玉
Original assignee: Nantong Taier Precision Machinery Co ltd
Current assignee: Nantong Taier Precision Machinery Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-10-04
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a detachable ball screw, technical essential includes lead screw body, left screw and right screw, left side screw and right screw are located the left and right sides of lead screw body respectively, the junction of left side screw and right screw closely laminates, the equal fixedly connected with slide rail in the left front and back position of right screw, the tongue that uses with the slide rail cooperation is all seted up to the front and back position on left side screw right side, the surface of slide rail and the internal surface sliding connection of tongue. The utility model discloses a set up slide rail and tongue, can fix a position the junction of left screw and right screw, through setting up cotter way, barrel, slide, cotter board and pressure spring, can carry on spacingly to the junction of left screw and right screw, through setting up, above structure possesses ball when the maintenance is maintained, convenient to detach's advantage has been solved original ball when the maintenance is maintained, the problem of being not convenient for dismantle to the work degree of difficulty of dismantling degree of difficulty and staff has been reduced.

Description

Detachable ball screw

Technical Field

The utility model relates to a ball technical field specifically is detachable ball.

Background

Ball is the ideal product that turns into rotary motion with rotary motion, or turns into rotary motion with linear motion, ball is the transmission element who uses most on instrument machinery and precision machine, its main function is to change rotary motion into linear motion, or convert the moment of torsion into the axial and repeat the effort, have high accuracy concurrently simultaneously, reversibility and efficient characteristics, owing to have very little frictional resistance, ball is widely used in various industrial equipment and precision instrument, and traditional ball is when using, lead screw and screw mounting structure are comparatively complicated, when needing to carry out maintenance to it, it is higher to dismantle the degree of difficulty, thereby the staff's work degree of difficulty has been increased, so there is the defect that is not convenient for dismantle.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a detachable ball has solved original ball when the maintenance is maintained, the problem of being not convenient for dismantle.

In order to achieve the above object, the utility model provides a following technical scheme:

detachable ball, including lead screw body, left screw and right screw, left side screw and right screw are located the left and right sides of lead screw body respectively, the junction of left side screw and right screw closely laminates, the equal fixedly connected with slide rail in the left front and back position of right screw, the tongue that uses with the slide rail cooperation is all seted up to the front and back position on left side screw right side, the surface of slide rail and the interior surface sliding connection of tongue, the cotter way has all been seted up to the front and back position of left screw right side bottom, the bottom of right screw left side front and back position all embedded installs the barrel, the inner chamber sliding connection of barrel has the slide, the left side fixedly connected with cotter plate of slide, the left side of cotter plate runs through the barrel and extends to the inner chamber in cotter way, the right side fixedly connected with pressure spring of slide, the right side of pressure spring and the junction fixed connection of barrel, the raceway has all been seted up between lead screw body, left screw and right screw.

As further description of the scheme, steel balls matched with the roller path are uniformly placed in an inner cavity of the roller path, and the joint of the steel balls and the roller path is in rolling connection.

As further description of the scheme, arc-shaped plates are fixedly connected to the top of the outer surfaces of the left screw nut and the right screw nut, and mounting holes are uniformly formed in the top of each arc-shaped plate.

As a further description of the above scheme, an oil injection groove is formed in the left side of the left nut and below the arc-shaped plate, and a sealing bolt is connected to the left side of an inner cavity of the oil injection groove in a threaded manner.

As further description of the scheme, the top and the bottom of the inner cavity of the cylinder body are respectively provided with a sliding groove matched with the sliding plate, and the outer surface of the sliding plate is connected with the inner surface of the sliding groove in a sliding manner.

As further description of the scheme, arc-shaped sealing rings are fixedly connected to the upper side and the lower side of the inner cavities of the left screw nut and the right screw nut, and the connecting parts between the left arc-shaped sealing ring and the right arc-shaped sealing ring are tightly attached.

As a further description of the above scheme, a through hole is opened on the left side of the cylinder, and the pin plate is located in an inner cavity of the through hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up slide rail and tongue, can fix a position the junction of left screw and right screw, through setting up cotter way, barrel, slide, cotter board and pressure spring, can carry on spacingly to the junction of left screw and right screw, through setting up, above structure possesses ball when the maintenance is maintained, convenient to detach's advantage has been solved original ball when the maintenance is maintained, the problem of being not convenient for dismantle to the work degree of difficulty of dismantling degree of difficulty and staff has been reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the left nut structure of the present invention;

FIG. 3 is a perspective view of the left nut structure of the present invention;

fig. 4 is an enlarged view of the structure of fig. 2 according to the present invention at a.

In the figure: 1. a lead screw body; 2. a left screw; 3. a right screw nut; 4. a slide rail; 5. a convex groove; 6. a pin slot; 7. a barrel; 8. a slide plate; 9. a pin plate; 10. a pressure spring; 11. a raceway; 12. a steel ball; 13. an arc-shaped plate; 14. mounting holes; 15. an oil injection groove; 16. a seal bolt; 17. a chute; 18. an arc-shaped sealing ring; 19. and a through hole.

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. 1-4, the detachable ball screw comprises a screw body 1, a left screw 2 and a right screw 3, the left screw 2 and the right screw 3 are respectively located at the left and right sides of the screw body 1, the joint of the left screw 2 and the right screw 3 is tightly attached, the front and back positions of the left side of the right screw 3 are fixedly connected with a slide rail 4, the front and back positions of the right side of the left screw 2 are respectively provided with a convex groove 5 matched with the slide rail 4, the outer surface of the slide rail 4 is slidably connected with the inner surface of the convex groove 5, the front and back positions of the right bottom of the right side of the left screw 2 are respectively provided with a pin groove 6, the bottoms of the front and back positions of the left side of the right screw 3 are respectively provided with a cylinder 7 in an embedded manner, the inner cavity of the cylinder 7 is slidably connected with a slide plate 8, the left side of the slide plate 8 is fixedly connected with a pin plate 9, the left side of cotter 9 runs through barrel 7 and extends to the inner chamber of cotter 6, the right side fixedly connected with pressure spring 10 of slide 8, the right side of pressure spring 10 and the junction fixed connection of barrel 7, lead screw body 1, raceway 11 has all been seted up between left screw 2 and the right screw 3, through setting up slide rail 4 and tongue 5, can fix a position left screw 2 and the junction of right screw 3, through setting up cotter 6, barrel 7, slide 8, cotter 9 and pressure spring 10, can carry on spacingly to the junction of left screw 2 and right screw 3, through setting up, go up the structure, when possessing ball and maintaining, convenient to detach's advantage, solved original ball and when maintaining, be not convenient for the problem of dismantling, thereby the work degree of difficulty of dismantling and staff has been reduced.

Wherein, steel ball 12 with 11 cooperation uses of raceway is evenly placed to the inner chamber of raceway 11, and the junction roll connection of steel ball 12 and raceway 11 can make things convenient for ball normal use through setting up steel ball 12.

Specifically, the equal fixedly connected with arc 13 in top of 3 surfaces of left screw 2 and right screw, mounting hole 14 has evenly been seted up at the top of arc 13, through setting up arc 13 and mounting hole 14, can make things convenient for ball and peripheral hardware to install.

An oil injection groove 15 is formed in the left side of the left screw 2 and located below the arc-shaped plate 13, a sealing bolt 16 is connected to the left side of the inner cavity of the oil injection groove 15 in a threaded mode, lubricating oil can be conveniently injected into the inner cavity of the ball screw through the oil injection groove 15 and the sealing bolt 16, friction of the steel ball 12 and the raceway 11 is reduced, and the service life of the ball screw is prolonged.

The utility model discloses in, spout 17 that uses with the cooperation of slide 8 has all been seted up to the top and the bottom of barrel 7 inner chamber, and slide 8's surface and spout 17's internal surface sliding connection can support slide 8 through setting up spout 17, leads to it simultaneously.

In addition, the upper side and the lower side of the inner cavities of the left screw 2 and the right screw 3 are fixedly connected with arc-shaped sealing rings 18, the joint between the left arc-shaped sealing ring 18 and the right arc-shaped sealing ring 18 is tightly attached, and the steel ball 12 can be limited by arranging the arc-shaped sealing rings 18.

In addition, through-hole 19 has been seted up on the left side of barrel 7, and cotter 9 is located the inner chamber of through-hole 19, through setting up through-hole 19, can make things convenient for cotter 9 to remove.

The working principle is as follows: during the use, when needing to dismantle the maintenance to ball, remove two peripheral hardware screwdrivers and insert the inner chamber of front and back both sides cotter way 6 simultaneously, then remove screwdriver extrusion cotter board 9, make cotter board 9 drive slide 8 and slide extrusion pressure spring 10 at the inner chamber of spout 17, thereby make cotter board 9 get into the inner chamber of barrel 7, thereby it is spacing to left screw 2 and the 3 junction of right screw to remove, then move up right screw 3, make right screw 3 drive slide rail 4 and slide in the inner chamber of tongue 5, thereby accomplish the dismantlement to ball, the device easy operation, convenient to detach, thereby the dismantlement degree of difficulty and staff's the work degree of difficulty have been reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. Detachable ball, including lead screw body (1), left screw (2) and right screw (3), its characterized in that: left side screw (2) and right screw (3) are located the left and right sides of lead screw body (1) respectively, the junction of left side screw (2) and right screw (3) closely laminates, the equal fixedly connected with slide rail (4) in position around right side screw (3) left side, tongue (5) that use with slide rail (4) cooperation have all been seted up to the position around left side screw (2) right side, the surface of slide rail (4) and the internal surface sliding connection of tongue (5), round pin groove (6) have all been seted up to the position around left side screw (2) right side bottom, barrel (7) have all been installed to the bottom of position around right side screw (3) left side embedded, the inner chamber sliding connection of barrel (7) has slide (8), the left side fixedly connected with round pin board (9) of slide (8), the left side of round pin board (9) runs through barrel (7) and extends to the inner chamber of round pin groove (6), the right side fixedly connected with pressure spring (10) of slide (8), the right side of pressure spring (10) and the department of fixed connection of barrel (7) have all seted up between lead screw body raceway (1), left side screw (11).

2. The detachable ball screw of claim 1, wherein: and steel balls (12) matched with the roller path (11) are uniformly placed in the inner cavity of the roller path (11), and the joint of the steel balls (12) and the roller path (11) is in rolling connection.

3. The detachable ball screw of claim 1, wherein: the top of left side screw (2) and right screw (3) surface all fixedly connected with arc (13), mounting hole (14) have evenly been seted up at the top of arc (13).

4. The detachable ball screw according to claim 3, wherein: an oil injection groove (15) is formed in the left side of the left screw (2) and located below the arc-shaped plate (13), and a sealing bolt (16) is connected to the left side of the inner cavity of the oil injection groove (15) in a threaded mode.

5. The detachable ball screw according to claim 1, wherein: the top and the bottom of the inner cavity of the barrel body (7) are both provided with sliding grooves (17) matched with the sliding plate (8) for use, and the outer surface of the sliding plate (8) is in sliding connection with the inner surface of the sliding grooves (17).

6. The detachable ball screw of claim 1, wherein: the upper side and the lower side of the inner cavities of the left screw (2) and the right screw (3) are fixedly connected with arc-shaped sealing rings (18), and the connection between the arc-shaped sealing rings (18) is tightly attached.

7. The detachable ball screw of claim 1, wherein: through-hole (19) have been seted up to the left side of barrel (7), cotter plate (9) are located the inner chamber of through-hole (19).