CN211039574U

CN211039574U - Ball screw

Info

Publication number: CN211039574U
Application number: CN201921828544.1U
Authority: CN
Inventors: 熊江睿; 邓琪武; 吴传利
Original assignee: Lishui Yingte Bearing Co ltd
Current assignee: Lishui Yingte Bearing Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-17
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a ball screw, including the lead screw, the outer wall of lead screw rotates and is connected with the ball, the outer wall of ball rotates and is connected with the sleeve, the recess is all processed to both sides about the telescopic positive right-hand member, two the inner wall left side rigid coupling of recess has the short slab, two sealing mechanism, two are all installed in the outside of short slab sealing mechanism's outer wall all installs control mechanism. This ball screw has solved current ball screw through sealing mechanism and control mechanism's cooperation and has failed to carry out the problem of sealed protection to the hydraulic fluid port when using, has avoided the dust to get into the hydraulic fluid port, has prevented to cause the jam for a long time, has guaranteed the use of hydraulic fluid port, has improved lubricated effect, has improved work efficiency, and solved the problem that can't clear up the inboard dust of screw thread in work through clearance mechanism, has guaranteed the rotation effect, has reduced the work degree of difficulty, has improved the practicality, and the function is comprehensive, the facilitate promotion.

Description

Ball screw

Technical Field

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

Background

Ball screw is the transmission element who uses most often on instrument machinery and the precision machine, its main function is with rotary motion conversion linear motion, or convert the moment of torsion to the axial effort of relapse, have the high accuracy concurrently simultaneously, reversibility and efficient characteristics, but current ball screw can't seal the protection to the hydraulic fluid port when using, lead to the dust to get into the hydraulic fluid port easily, cause the jam easily for a long time, influence the use of hydraulic fluid port, the lubrication effect has been reduced, reduce work efficiency, and can't clear up the inboard dust of screw thread at work, lead to rotating the effect and reduce, increase the work degree of difficulty, the practicality has been reduced, be not conform to modern's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball screw to solve the current ball screw that proposes in the above-mentioned background art and can't seal the protection to the hydraulic fluid port when using, lead to the dust easily to get into the hydraulic fluid port, cause the jam for a long time easily, influence the use of hydraulic fluid port, reduced lubricated effect, reduce work efficiency, and can't clear up the inboard dust of screw thread in work, lead to rotating the effect and reduce, increase the work degree of difficulty, reduced the practicality problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball screw, includes the lead screw, the outer wall of lead screw rotates and is connected with the ball, the outer wall of ball rotates and is connected with the sleeve, both sides all process the recess about telescopic positive right-hand member, two the inner wall left side rigid coupling of recess has the short slab, two sealing mechanism, two are all installed in the outside of short slab control mechanism is all installed to sealing mechanism's outer wall, both sides all process the notch about telescopic right side, the equal rigid coupling in both sides has straight board, two about the telescopic right side the clearance mechanism is all installed to the inner wall of straight board. The problem that the existing ball screw cannot seal and protect the oil port when in use is solved through the matching of the sealing mechanism and the control mechanism, dust is prevented from entering the oil port, blocking is prevented from being caused for a long time, and the use of the oil port is guaranteed.

Preferably, sealing mechanism includes square, spout, first spring, riser and block rubber, the bottom left side of square is laminated with the top of short slab mutually, the inner wall processing of square has the spout, the inner wall left side of spout and the left side looks rigid coupling of first spring, the right side of first spring and the left side looks rigid coupling of riser, the upper and lower both sides of riser respectively with the inner wall slip joint of spout, the right side of riser and the left side looks rigid coupling of block rubber, the outer wall of block rubber and the inner wall interference fit of notch. The problem that dust on the inner side of the thread cannot be cleaned in work is solved through the cleaning mechanism, and the rotating effect is guaranteed.

Preferably, the vertical plate and the sliding groove form a sliding mechanism. The structure is reasonable in design.

Preferably, control mechanism includes montant, handle and second spring, the bottom of montant and the top looks rigid coupling of square, the outer wall and the telescopic right side top clearance fit of montant, the top of montant and the bottom rigid coupling of handle, the outer wall of montant cup joints with the inner wall case of second spring, the upper and lower both sides of second spring respectively with the inner wall top of recess and the top looks rigid coupling of square.

Preferably, the vertical rod and the sleeve form a telescopic mechanism. Simple and reasonable structure and practicability.

Preferably, the cleaning mechanism comprises a bolt, a bearing and a wide plate, the outer wall of the bolt is connected with the inner wall threaded rod of the straight plate, and the bottom of the outer wall of the bolt is rotatably connected with the top of the wide plate through the bearing.

Compared with the prior art, the beneficial effects of the utility model are that: this ball screw has solved current ball screw through sealing mechanism and control mechanism's cooperation and has failed to carry out the problem of sealed protection to the hydraulic fluid port when using, has avoided the dust to get into the hydraulic fluid port, has prevented to cause the jam for a long time, has guaranteed the use of hydraulic fluid port, has improved lubricated effect, has improved work efficiency, and solved the problem that can't clear up the inboard dust of screw thread in work through clearance mechanism, has guaranteed the rotation effect, has reduced the work degree of difficulty, has improved the practicality, and the function is comprehensive, the facilitate promotion.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the block, the sliding groove and the first spring in FIG. 1;

FIG. 3 is a schematic view of the connection between the vertical rod, the handle and the second spring in FIG. 1;

fig. 4 is a schematic view of the connection relationship between the bolt, the bearing and the wide plate in fig. 1.

In the figure: 1. the automatic cleaning device comprises a screw rod, 2, a sealing mechanism, 201, a square block, 202, a sliding groove, 203, a first spring, 204, a vertical plate, 205, a rubber block, 3, a control mechanism, 301, a vertical rod, 302, a handle, 303, a second spring, 4, a cleaning mechanism, 401, a bolt, 402, a bearing, 403, a wide plate, 5, a ball, 6, a sleeve, 7, a groove, 8, a short plate, 9, a notch, 10 and a straight plate.

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 present invention provides a technical solution: the utility model provides a ball screw, including lead screw 1, lead screw 1's outer wall rotates and is connected with ball 5, ball 5's outer wall rotates and is connected with

sleeve

6, 6 atresss of sleeve rotate through ball 5, both sides all process recess 7 about sleeve 6's the positive right-hand member, two recess 7's inner wall left side rigid coupling has short slab 8, sealing mechanism 2 is all installed in two short slab 8's the outside, control mechanism 3 is all installed to two sealing mechanism 2's outer wall, both sides all process notch 9 about sleeve 6's the right side, the equal rigid coupling in both sides has straight board 10 about sleeve 6's the right side, clearance mechanism 4 is all installed to the inner wall of two straight boards 10.

The sealing mechanism 2 comprises a block 201, a sliding groove 202, a first spring 203, a vertical plate 204 and a rubber block 205, the left side of the bottom of the block 201 is attached to the top of the short plate 8, the block 201 can be separated from the short plate 8 under stress, the sliding groove 202 is processed on the inner wall of the block 201, the left side of the inner wall of the sliding groove 202 is fixedly connected with the left side of the first spring 203, the right side of the first spring 203 is fixedly connected with the left side of the vertical plate 204, the vertical plate 204 is rebounded through the first spring 203 after being compressed under stress, the upper side and the lower side of the vertical plate 204 are respectively in sliding clamping connection with the inner wall of the sliding groove 202, the right side of the vertical plate 204 is fixedly connected with the left side of the rubber block 205, the outer wall of the rubber block 205 is in interference fit with the inner wall of the notch 9, the vertical plate 204 and the sliding groove 202 form a sliding mechanism, the vertical plate 204 slides under, the outer wall of montant 301 and the right side top clearance fit of sleeve 6, the top of montant 301 and the bottom rigid coupling of handle 302, handle 302 conveniently stimulates handle 302, the outer wall of montant 301 cup joints with the inner wall case of second spring 303, the upper and lower both sides of second spring 303 are respectively with the inner wall top of recess 7 and the top of square 201 rigid coupling mutually, montant 301 rebounds through second spring 303 after the atress removes, montant 301 and sleeve 6 constitute telescopic machanism, montant 301 atress reciprocates through sleeve 6, clearance mechanism 4 includes bolt 401, bearing 402 and wide board 403, the outer wall of bolt 401 is connected with the inner wall threaded rod of straight board 10, the outer wall bottom of bolt 401 rotates through bearing 402 and wide board 403's top and links to each other, wide board 403 atress rotates through bearing 402.

In this example, when using the ball screw, the bolt 401 is rotated, the bolt 401 is forced to rotate downwards through the straight plate 10, and then the bearing 402 drives the wide plate 403 to move downwards until the wide plate 403 is jointed with the thread on the screw rod 1, then the rotation of the bolt 401 is stopped, then the rubber blocks 205 on the two sides downwards are pressed towards the left side, and then the vertical plate 204 is pressed towards the left side through the sliding groove 202, so that the rubber blocks 205 are separated from the notches 9, then the second spring 303 provides elastic force to eject the block 201 outwards through the groove 7, then the external pipeline is communicated with the notches 9, the lubricating oil is conveyed into the groove 7 through the pipeline, then the pipeline is pulled out, the handle 302 is pressed towards the inner side, and then the vertical rod 301 moves towards the inner side through the sleeve 6, so that the block 201 moves towards the inner side, when the inner side of the block 201 is jointed with the short plate 8, the first spring 203 provides elastic, and then the rubber block 205 is inserted into the inside of the slot 9 to seal the slot 9, protect the slot 9, and then the sleeve 6 is rotated, and the sleeve 6 is rotated left and right on the screw 1 by the balls 5.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A ball screw comprising a screw (1), characterized in that: the outer wall of lead screw (1) rotates and is connected with ball (5), the outer wall of ball (5) rotates and is connected with sleeve (6), both sides all process recess (7), two about the positive right-hand member of sleeve (6) the inner wall left side rigid coupling of recess (7) has short slab (8), two sealing mechanism (2), two are all installed in the outside of short slab (8) control mechanism (3) are all installed to the outer wall of sealing mechanism (2), both sides all processed notch (9) about the right side of sleeve (6), the equal rigid coupling in both sides has straight board (10), two about the right side of sleeve (6) clearance mechanism (4) are all installed to the inner wall of straight board (10).

2. A ball screw according to claim 1, wherein: sealing mechanism (2) are including square (201), spout (202), first spring (203), riser (204) and block rubber (205), the bottom left side of square (201) is laminated with the top of short slab (8) mutually, the inner wall processing of square (201) has spout (202), the inner wall left side of spout (202) and the left side looks rigid coupling of first spring (203), the right side of first spring (203) and the left side looks rigid coupling of riser (204), the upper and lower both sides of riser (204) respectively with the inner wall slip joint of spout (202), the right side of riser (204) and the left side looks rigid coupling of block rubber (205), the outer wall of block rubber (205) and the inner wall interference fit of notch (9).

3. A ball screw according to claim 2, wherein: the vertical plate (204) and the sliding groove (202) form a sliding mechanism.

4. A ball screw according to claim 1, wherein: control mechanism (3) include montant (301), handle (302) and second spring (303), the bottom of montant (301) and the top looks rigid coupling of square (201), the right side top clearance fit of the outer wall of montant (301) and sleeve (6), the top of montant (301) and the bottom rigid coupling of handle (302), the outer wall of montant (301) and the inner wall case cover of second spring (303) connect, the upper and lower both sides of second spring (303) respectively with the inner wall top of recess (7) and the top looks rigid coupling of square (201).

5. The ball screw of claim 4, wherein: the vertical rod (301) and the sleeve (6) form a telescopic mechanism.

6. A ball screw according to claim 1, wherein: the cleaning mechanism (4) comprises a bolt (401), a bearing (402) and a wide plate (403), the outer wall of the bolt (401) is connected with the inner wall threaded rod of the straight plate (10), and the bottom of the outer wall of the bolt (401) is rotatably connected with the top of the wide plate (403) through the bearing (402).