CN212643464U - Ball screw sealing dustproof structure capable of achieving automatic reset - Google Patents

Abstract

The utility model discloses a ball screw sealing dustproof structure for realizing automatic reset, which comprises a spline shaft and a spline outer barrel sleeved at the middle part of the spline shaft, wherein the surface of the spline shaft is uniformly provided with a thread groove, the bottom end of the spline outer barrel is fixedly connected with a dustproof seat, adjusting blocks are symmetrically distributed at two sides of the dustproof seat, a dustproof spiral ring matched with the thread groove is arranged in the dustproof seat, a threaded rod is fixedly connected at the middle part of one side of the dustproof spiral ring, and an embedded rotating shaft is arranged at the position of the inner part of the dustproof spiral ring corresponding to the threaded rod; through dustproof spiral ring, positioning spring's setting, the effectual dustproof performance who increases ball uses through dustproof spiral ring, positioning spring's cooperation, can plug up ball's gap through dustproof spiral ring, has reduced the dust and has entered into the inside condition of spline urceolus, and dustproof spiral ring can carry out automatic springing through positioning spring simultaneously, uses relatively automaticly.

Description

Ball screw sealing dustproof structure capable of achieving automatic reset

Technical Field

The utility model belongs to the technical field of ball, concretely relates to realize automatic re-setting's ball seal dustproof construction.

Background

The ball screw is the most commonly used transmission element on 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.

The existing ball screw has certain dust when being used, the dust enters the spline outer barrel from the gap, so that friction is increased when the ball screw is used, the ball screw is difficult to clean, the ball screw does not have a corresponding dustproof mechanism, the work efficiency of the ball screw is reduced for a long time if the ball screw is used, the service life is prolonged, the time is wasted, the economic cost is increased, and the ball screw sealing dustproof structure for realizing automatic resetting is provided for the ball screw sealing dustproof structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a realize automatic re-setting's sealed dustproof construction of ball to solve the current ball that provides in the above-mentioned background art and can have certain dust when using, these dusts enter into to the spline urceolus inside from the gap, make the ball increase frictional force when using, be difficult to the clearance scheduling problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: realize automatic re-setting's sealed dustproof construction of ball, locate the spline urceolus at integral key shaft middle part including integral key shaft, cover, the surface of integral key shaft evenly is equipped with the thread groove, the dustproof seat of bottom fixedly connected with of spline urceolus, the bilateral symmetry of dustproof seat distributes and has the regulating block, the inside of dustproof seat be equipped with thread groove assorted dustproof spiral ring, one side middle part fixedly connected with threaded rod of dustproof spiral ring, the inside position department that corresponds the threaded rod of dustproof spiral ring is equipped with embedded pivot, the both sides of threaded rod are located the position department fixedly connected with positioning spring of dustproof spiral ring, and positioning spring's the other end is connected with the inner wall of dustproof seat, one side of regulating block is located the inside of dustproof seat and is equipped with and uses fixed section of thick bamboo with the threaded rod.

Further, the lateral wall of a fixed section of thick bamboo is equipped with anti-drop mechanism, anti-drop mechanism includes the locating piece, the locating piece is located the lateral wall of a fixed section of thick bamboo, the trompil that uses with the cooperation of a fixed section of thick bamboo is seted up to the lateral wall of dustproof seat.

Furthermore, the inner wall of the fixed cylinder is provided with an internal thread matched with the threaded rod for use.

Furthermore, dustproof helicoidal is one of cotton, leather, feather material.

Furthermore, the cross section of the opening of the side wall of the dustproof seat is circular, and the length between the two positioning blocks is larger than the diameter of the opening.

Furthermore, the spline outer cylinder, the dustproof seat and the spline shaft are all coaxial circle centers.

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

1. through dustproof helicoidal ring, positioning spring's setting, the effectual dustproof performance who increases ball, through dustproof helicoidal ring, positioning spring's cooperation is used, can plug up ball's gap through dustproof helicoidal ring, reduced the dust and entered into the inside condition of spline urceolus, dustproof helicoidal ring can carry out automatic springing through positioning spring simultaneously, use relative automation, and can not hinder ball's normal use, guaranteed ball's normal use, saved the time.

2. Through the setting of anti-drop mechanism, effectually avoided droing of a fixed section of thick bamboo, regulating block, use through the cooperation of anti-drop mechanism for a fixed section of thick bamboo can not separate with dustproof seat, and easy operation is convenient simultaneously, can adjust dustproof helicoidal ring, makes the user of service can adjust the distance of dustproof helicoidal ring according to self demand, has increased practicality and selectivity.

Drawings

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

FIG. 2 is a side sectional view of the spline shaft, positioning spring, positioning block, thread groove, dustproof spiral ring and fixed cylinder of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is a top view of the spline shaft, the positioning spring, the dustproof spiral ring, the fixing cylinder and the threaded rod of the present invention.

In the figure: 1. a spline outer cylinder; 2. a dust-proof seat; 3. an adjusting block; 4. a spline shaft; 5. a positioning spring; 6. Positioning blocks; 7. a thread groove; 8. a dustproof spiral ring; 9. a fixed cylinder; 10. a threaded rod; 11. a rotating shaft is embedded.

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 to 4, the present invention provides a technical solution: realize automatic re-setting's sealed dustproof construction of ball, locate the spline urceolus 1 at 4 middle parts of spline shaft including spline shaft 4, cover, the surface of spline shaft 4 evenly is equipped with thread groove 7.

The bottom end of the spline outer barrel 1 is fixedly connected with a dustproof seat 2, adjusting blocks 3 are symmetrically distributed on two sides of the dustproof seat 2, a dustproof spiral ring 8 matched with a thread groove 7 is arranged in the dustproof seat 2, the dustproof spiral ring 8 is made of one of cotton cloth, leather and feather materials and effectively prevents dust from entering, meanwhile, when the materials are in contact with the spline shaft 4, friction force is small and cannot influence the normal use of a ball screw, a threaded rod 10 is fixedly connected to the middle of one side of the dustproof spiral ring 8, an embedded rotating shaft 11 is arranged in the dustproof spiral ring 8 corresponding to the position of the threaded rod 10, the dustproof spiral ring 8 cannot rotate when the threaded rod 10 rotates due to the arrangement of the embedded rotating shaft 11, positioning springs 5 are fixedly connected to the positions, located on the dustproof spiral ring 8, of two sides of the threaded rod 10, the positioning springs 5 are made of elastic materials and can deform under, lose behind the effort can resume original state, and the other end of positioning spring 5 is connected with the inner wall of dustproof seat 2, one side of regulating block 3 is located the inside of dustproof seat 2 and is equipped with and uses solid fixed cylinder 9 with threaded rod 10 cooperation, the inner wall of solid fixed cylinder 9 is equipped with the internal thread that uses with threaded rod 10 cooperation, when dustproof spiral ring 8 needs to separate with integral key shaft 4, the rotatory solid fixed cylinder 9 of accessible, make solid fixed cylinder 9 and threaded rod 10 pass through behind the screw thread swivelling joint, dustproof spiral ring 8 can separate with integral key shaft 4 through the rotatory pulling of solid fixed cylinder 9.

The lateral wall of a fixed cylinder 9 is equipped with anti-drop mechanism, and anti-drop mechanism includes locating piece 6, and locating piece 6 is located the lateral wall of a fixed cylinder 9, and the trompil that uses with the cooperation of a fixed cylinder 9 is seted up to the lateral wall of dustproof seat 2, and the cross section of the trompil of dustproof seat 2 lateral wall is circular, and length between two locating pieces 6 is greater than the diameter of trompil for a fixed cylinder 9 passes through locating piece 6 can't separate with 2 landing of dustproof seat.

The spline outer barrel 1, the dustproof seat 2 and the spline shaft 4 are coaxial centers of circles, so that the stability of the dustproof seat 2 can be effectively improved, and the dustproof seat 2 is more convenient to use.

The utility model discloses a theory of operation and use flow: when the ball screw is used, the dustproof spiral ring 8 can be attached to the thread groove 7 on the surface of the spline shaft 4, so that dust cannot enter the spline outer barrel 1 through a gap, and normal use and smooth progress of the ball screw are guaranteed; when the dustproof spiral ring 8 is separated from the thread groove 7, only the adjusting block 3 needs to be rotated, so that the fixed cylinder 9 is driven to rotate by the rotation of the adjusting block 3, the fixed cylinder 9 is connected with the threaded rod 10 through thread rotation, the positioning spring 5 contracts under the action of an acting force, the dustproof spiral ring 8 slides towards the adjusting block 3 through the rotation of the fixed cylinder 9 and the threaded rod 10, and meanwhile, the dustproof spiral ring 8 cannot rotate when the threaded rod 10 and the fixed cylinder 9 rotate due to the embedded rotating shaft 11, so that the stability of the dustproof spiral ring 8 is improved, and the dustproof spiral ring 8 is separated from the thread groove 7; dustproof spiral ring 8 and thread groove 7 laminating only need the fixed section of thick bamboo 9 of opposite direction rotation for the rotation of fixed section of thick bamboo 9 drives fixed section of thick bamboo 9 rotatory, makes fixed section of thick bamboo 9 and threaded rod 10 after-separating, and positioning spring 5 loses the effort, thereby flicks dustproof spiral ring 8 to the direction of thread groove 7, makes dustproof spiral ring 8 and thread groove 7 laminating.

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 (6)

1. Realize automatic re-setting's sealed dustproof construction of ball, locate spline shaft (4) middle part's spline urceolus (1) including spline shaft (4), cover, the surface of spline shaft (4) evenly is equipped with thread groove (7), its characterized in that: the utility model discloses a dustproof structure of spline urceolus (1) is characterized in that the bottom fixedly connected with of spline urceolus (2) prevents dust, the bilateral symmetry distribution of preventing dust seat (2) has regulating block (3), the inside of preventing dust seat (2) be equipped with thread groove (7) assorted dustproof spiral ring (8), one side middle part fixedly connected with threaded rod (10) of dustproof spiral ring (8), the inside position department that corresponds threaded rod (10) of dustproof spiral ring (8) is equipped with embedded pivot (11), the both sides of threaded rod (10) are located the position department fixedly connected with positioning spring (5) of dustproof spiral ring (8), and the other end of positioning spring (5) is connected with the inner wall of preventing dust seat (2), the inside that one side of regulating block (3) is located dustproof seat (2) is equipped with uses fixed cylinder (9) with threaded rod (10) cooperation.

2. The automatic resetting ball screw sealing dustproof structure is characterized in that: the lateral wall of a fixed cylinder (9) is equipped with anti-drop mechanism, anti-drop mechanism includes locating piece (6), locating piece (6) are located the lateral wall of a fixed cylinder (9), the trompil that uses with the cooperation of a fixed cylinder (9) is seted up to the lateral wall of dustproof seat (2).

3. The automatic resetting ball screw sealing dustproof structure is characterized in that: the inner wall of the fixed cylinder (9) is provided with an internal thread matched with the threaded rod (10).

4. The automatic resetting ball screw sealing dustproof structure is characterized in that: the dustproof spiral ring (8) is made of one of cotton cloth, leather and feather materials.

5. The automatic resetting ball screw sealing dustproof structure is characterized in that: the cross section of an opening in the side wall of the dustproof seat (2) is circular, and the length between the two positioning blocks (6) is larger than the diameter of the opening.

6. The automatic resetting ball screw sealing dustproof structure is characterized in that: the spline outer cylinder (1), the dustproof seat (2) and the spline shaft (4) are all coaxial circle centers.

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