CN211202782U

CN211202782U - Screw rod mechanism

Info

Publication number: CN211202782U
Application number: CN201921557327.3U
Authority: CN
Inventors: 吴昌御
Original assignee: Individual
Current assignee: Shanxi Duolida Precision Machinery Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-08-07
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a screw mechanism, including the round bar, the outer wall processing of round bar has the slot rolling, the outer wall right side of the lantern ring is rotated through the bearing and is connected with the outer lane, the inside outside processing of outer lane has the through-hole, the top of the lantern ring is equipped with lubricating assembly, the left and right sides of the lantern ring all is equipped with dustproof subassembly. This screw mechanism, through the lantern ring, the round bar, ball and lubricating assembly's cooperation, make the device accessible roof support tight sponge make in the sponge lubricating oil even with the ball contact, and then make lubricating oil paint more evenly and complete, and then reduce the friction hindrance between ball and rolling groove and the ball groove, reduce frictional force, and can avoid lubricating oil to leak, through dustproof subassembly, the cooperation of round bar and lantern ring, make the rubber circle can prevent dust to the both ends of the lantern ring, avoid the dust to get into the lantern ring inside and ball and lubricating oil contact formation clot, make the friction hindrance increase between ball and ball groove and the rolling groove, even cause its inside damage.

Description

Screw rod mechanism

Technical Field

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

Background

The screw mechanism of prior art, can not support tight sponge through the roof and make lubricating oil in the sponge even with the ball contact, and then make lubricating oil paint evenly inadequately and complete, and then increase the friction between ball and rolling groove and the ball groove and hinder, increase frictional force, and lead to lubricating oil to leak easily, can not prevent dust to the both ends of the lantern ring, make the dust get into the lantern ring inside and ball and the formation clot of lubricating oil contact easily, make the friction between ball and ball groove and the rolling groove hinder the increase, cause its inside damage even, and then use to people and bring inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw mechanism to solve the problem that proposes among 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 screw mechanism, includes the round bar, the outer wall processing of round bar has the slot rolling, the outer wall clearance fit of round bar has the lantern ring, the inner wall processing of the lantern ring has the ball groove, the equal clearance fit in slot rolling and ball groove has the ball, the inner wall processing of the lantern ring has the returner, the outer wall right side of the lantern ring is connected with the outer lane through the bearing rotation, the inside outside processing of outer lane has the through-hole, the top of the lantern ring is equipped with lubricating component, the left and right sides of the lantern ring all is equipped with dustproof subassembly.

Preferably, the through holes are distributed at 60 degrees between every two through holes.

Preferably, lubricating component includes screw, spout, slide bar, spring, roof, oilhole, filter screen and sponge, the outer wall of screw passes through the oilhole and links to each other with the top screw thread of the lantern ring, the bottom of screw has the slide bar through spout clearance fit, the top of slide bar and the inner wall top of spout pass through the spring and fix and link to each other, the bottom rigid coupling of slide bar has the roof, the outer wall of roof and the inner wall clearance fit of oilhole, the bottom rigid coupling of roof has the sponge, the bottom laminating of sponge has the filter screen, the outer wall of filter screen and the inner wall interference fit of oilhole.

Preferably, the sliding rod and the sliding groove form a sliding structure.

Preferably, the sliding rods are symmetrically distributed about the screw axis.

Preferably, dustproof subassembly includes ring, kelly and rubber circle, the outer wall of ring links to each other with the inner wall left and right sides screw thread of the lantern ring respectively, the inner wall rigid coupling of ring has a plurality of kellies, the outer wall joint of kelly has the rubber circle, the inner wall of rubber circle is laminated with the outer wall of pole mutually.

Compared with the prior art, the beneficial effects of the utility model are that: this screw mechanism, through the lantern ring, the round bar, ball and lubricating assembly's cooperation, make the device accessible roof support tight sponge make in the sponge lubricating oil even with the ball contact, and then make lubricating oil paint more evenly and complete, and then reduce the friction hindrance between ball and rolling groove and the ball groove, reduce frictional force, and can avoid lubricating oil to leak, through dustproof subassembly, the cooperation of round bar and lantern ring, make the rubber circle can prevent dust to the both ends of the lantern ring, avoid the dust to get into the lantern ring inside and ball and lubricating oil contact formation clot, make the friction hindrance increase between ball and ball groove and the rolling groove, cause its inside damage even, and then make things convenient for people to use.

Drawings

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

FIG. 2 is a schematic view of the connection of the collar, screw and top plate of FIG. 1;

FIG. 3 is a schematic view showing the connection relationship between the spring, the slide bar and the slide groove in FIG. 2;

fig. 4 is a schematic view showing a connection relationship between the bearing, the ring and the outer ring of fig. 1.

In the figure: 1. round rod, 2, rolling groove, 3, lantern ring, 4, ball groove, 5, ball, 6, returning device, 7, bearing, 8, lubricating component, 801, screw, 802, sliding groove, 803, sliding rod, 804, spring, 805, top, 806, oil hole, 807, filter screen, 808, sponge, 9, dustproof component, 901, circular ring, 902, clamping rod, 903, rubber ring, 10, outer ring, 11, 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 present invention provides a technical solution: the utility model provides a screw mechanism, including round bar 1, round bar 1's outer wall processing has slot 2, slot 2's size is unanimous with ball groove 4, round bar 1's outer wall clearance fit has lantern ring 3, lantern ring 3's inner wall processing has ball groove 4, slot 2 and the equal clearance fit of ball groove 4 have ball 5, ball 5 is used for reducing the friction between round bar 1 and the lantern ring 3, lantern ring 3's inner wall processing has returner 6, returner 6 makes ball 5 circulative rotation, lantern ring 3's outer wall right side is rotated through bearing 7 and is connected with outer lane 10, bearing 7 is rotatable when making outer lane 10 atress, the inside outside processing of outer lane 10 has through-hole 11, through-hole 11 is 60 degrees between two liang and distributes, through-hole 11 makes the outer lane when being connected with the external world more stable, the top of lantern ring 3 is equipped with lubricating component 8, the left and right sides of lantern ring 3 all.

The lubricating component 8 comprises a screw 801, a sliding groove 802, a sliding rod 803, a spring 804, a top plate 805, an oil hole 806, a filter screen 807 and a sponge 808, the outer wall of the screw 801 is in threaded connection with the top of the lantern ring 3 through the oil hole 806, the oil hole 806 is located at the top of the lantern ring 3, the bottom of the screw 801 is in clearance fit with the sliding rod 803 through the sliding groove 802, the sliding rod 803 and the sliding groove 802 form a sliding structure, the sliding groove 802 plays a guiding role in guiding the sliding rod 803, the sliding rod 803 is symmetrically distributed around the axis of the screw 801, the sliding rod 803 enables the top plate 805 to be stressed more evenly, the top of the sliding rod 803 is fixedly connected with the top of the inner wall of the sliding groove 802 through the spring 804, the spring 804 gives a downward force to the top plate 805, the bottom of the sliding rod 803 is fixedly connected with the top plate 805, the outer wall of the top plate 805 is in clearance fit, the mesh number is twenty, and the outer wall of the filter screen 807 is in interference fit with the inner wall of the oil hole 806.

Dustproof subassembly 9 includes ring 901, kelly 902 and rubber circle 903, and the outer wall of ring 901 links to each other with the inner wall left and right sides screw thread of lantern ring 3 respectively, and the inner wall rigid coupling of ring 901 has a plurality of kellies 902, and kelly 902 plays limiting displacement to rubber circle 903, and kelly 902's outer wall joint has rubber circle 903, and the inner wall of rubber circle 903 is laminated with the outer wall of round bar 1 mutually, and rubber circle 903 is used for playing dustproof effect to 3 insides of lantern ring.

In this embodiment, when the lead screw mechanism is used, the rolling groove 2 and the ball groove 4 are in clearance fit with the ball 5, so that the friction between the round rod 1 and the lantern ring 3 can be greatly reduced when the round rod 1 or the lantern ring 3 rotates, the outer ring 10 can rotate when being stressed through the action of the bearing 7, and further the through hole 11 is more convenient to be connected with the outside, when the ball 5 needs to be lubricated, the screw 801 is connected with the thread of the lantern ring 3, the screw 801 is rotated reversely, so that the top plate 805 drives the sponge 808 to move out of the oil hole 806, oil is filled into the sponge 808, the screw 801 is screwed back, through the clearance fit of the sliding rod 803 and the sliding groove 802 and the clearance fit of the top plate 805 and the oil hole 806, the sponge 808 is in contact with the filter screen 807, through the action of the spring 804, the sponge 808 is always abutted against the filter screen 807, and further the ball 5 can be, and then promote the contact rate of ball 5 and lubricating oil, make lubricating oil paint more balanced, and then reduce the friction between ball 5 and rolling groove 2 and the ball groove 4, the joint through kelly 902 and rubber circle 903 links to each other, and the screw thread between ring 901 and the lantern ring 3 links to each other, make rubber circle 903 dustproof in can the lantern ring 3, and then avoid 3 inside laying dust of lantern ring to lead to ball 5 movements to receive the hindrance, and then lead to its inside damage, and then make things convenient for people to use.

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. The utility model provides a screw mechanism, includes round bar (1), its characterized in that: the outer wall processing of pole (1) has slot rolling (2), the outer wall clearance fit of pole (1) has the lantern ring (3), the inner wall processing of the lantern ring (3) has ball groove (4), slot rolling (2) and the equal clearance fit of ball groove (4) have ball (5), the inner wall processing of the lantern ring (3) has returner (6), the outer wall right side of the lantern ring (3) is rotated through bearing (7) and is connected with outer lane (10), the inside outside processing of outer lane (10) has through-hole (11), the top of the lantern ring (3) is equipped with lubricating component (8), the left and right sides of the lantern ring (3) all is equipped with dustproof component (9).

2. The screw mechanism according to claim 1, wherein: the through holes (11) are distributed at 60 degrees between every two.

3. The screw mechanism according to claim 1, wherein: the lubricating component (8) comprises a screw (801), a sliding groove (802), a sliding rod (803), a spring (804), a top plate (805), an oil hole (806), a filter screen (807) and a sponge (808), the outer wall of the screw (801) is in threaded connection with the top of the lantern ring (3) through an oil hole (806), the bottom of the screw (801) is in clearance fit with a sliding rod (803) through a sliding groove (802), the top of the sliding rod (803) is fixedly connected with the top of the inner wall of the sliding groove (802) through a spring (804), a top plate (805) is fixedly connected to the bottom of the sliding rod (803), the outer wall of the top plate (805) is in clearance fit with the inner wall of the oil hole (806), the bottom of the top plate (805) is fixedly connected with a sponge (808), the bottom of the sponge (808) is attached with a filter screen (807), the outer wall of the filter screen (807) is in interference fit with the inner wall of the oil hole (806).

4. A screw mechanism according to claim 3, wherein: the sliding rod (803) and the sliding groove (802) form a sliding structure.

5. A screw mechanism according to claim 3, wherein: the sliding rods (803) are distributed axisymmetrically with respect to the screw (801).

6. The screw mechanism according to claim 1, wherein: dustproof subassembly (9) include ring (901), kelly (902) and rubber circle (903), the outer wall of ring (901) links to each other with the inner wall left and right sides screw thread of lantern ring (3) respectively, the inner wall rigid coupling of ring (901) has a plurality of kellies (902), the outer wall joint of kelly (902) has rubber circle (903), the inner wall of rubber circle (903) is laminated with the outer wall of round bar (1) mutually.