CN215673444U

CN215673444U - Lead screw nut with smooth ball backflow

Info

Publication number: CN215673444U
Application number: CN202122318365.7U
Authority: CN
Inventors: 翁海龙; 汤超雄; 叶卢炼; 郭杰; 姚仁刚
Original assignee: Zhejiang Jiankang Transmission Technology Co ltd
Current assignee: Zhejiang Jiankang Transmission Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-01-28
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a lead screw nut with smooth ball backflow, which comprises a body, wherein both ends of the outer wall of the body are respectively provided with a cleaning mechanism, each cleaning mechanism comprises a barrel body, the two barrel bodies are respectively and fixedly connected to both ends of the outer wall of the body, both ends of the inner wall of the two barrel bodies are fixedly connected with a sleeve, rod bodies are respectively and clearance-fitted inside the sleeves, one end of the outer wall of each rod body is fixedly connected with an inclined block, the outer walls of the rod bodies are respectively and clearance-fitted with a spring, one end of the spring is fixedly connected to the outer wall of an inclined block, the other end of the spring is fixedly connected to the outer wall of the sleeve, one end of the outer wall of each inclined block is attached with an inclined plane rod, and the inclined plane rods and the inclined blocks are respectively and clearance-fitted with the inner walls of the two barrel bodies. This smooth screw-nut of ball backward flow, and then contact with the thread groove of external lead screw, can drive the inclined plane pole and carry out stable removal about, and the inclined plane pole drives the elevating movement stability of sloping block and the body of rod.

Description

Lead screw nut with smooth ball backflow

Technical Field

The utility model relates to the technical field of screw nuts, in particular to a screw nut with smooth ball backflow.

Background

The ball screw consists of a screw rod, a nut, a steel ball, a preforming piece, a reverser and a dust remover, the function of the ball screw is to convert the rotary motion into linear motion, which is the further extension and development of the Achrom screw, and the important meaning of the development is to change the sliding motion of the bearing into the rolling motion.

Although current screw-nut can remove about the outer wall of lead screw, nevertheless there is the outer wall of lead screw when long-time use, can a large amount of oil stains of adhesion and dust for screw-nut when the outer wall of lead screw removes, the ball backward flow is not smooth, influences work efficiency's problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lead screw nut with smooth ball backflow, and aims to solve the problems that a large amount of oil stain and dust can be adhered to the outer wall of a lead screw when the outer wall of the lead screw is used for a long time, so that the ball backflow is not smooth and the working efficiency is influenced when the lead screw nut moves on the outer wall of the lead screw.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a smooth screw-nut of ball backward flow, includes the body, the outer wall both ends of body all are equipped with clearance mechanism, clearance mechanism includes the barrel, two the barrel rigid coupling respectively in the outer wall both ends of body, two the equal rigid coupling in inner wall both ends of barrel has the sleeve, and is a plurality of the equal clearance fit in telescopic inside has the body of rod, and is a plurality of the equal rigid coupling in outer wall one end of the body of rod has the sloping block, and is a plurality of the equal clearance fit in outer wall of the body of rod has the spring, the one end rigid coupling of spring in the outer wall of sloping block, the other end rigid coupling of spring is in telescopic outer wall, and is a plurality of the inclined plane pole, a plurality of is all laminated to the outer wall one end of sloping block the sloping plane pole and sloping block respectively with the inner wall clearance fit of two barrels.

Preferably, the inside both ends of barrel all process and have the spout, a plurality of the inner wall of spout all slides and links to each other and has the slider.

Preferably, it is a plurality of the inside of bevel pole all is equipped with drive mechanism, drive mechanism includes the screw rod, and is a plurality of the outer wall of screw rod links to each other with the inner wall screw thread of a plurality of bevel poles respectively, and is a plurality of the outer wall of screw rod all rotates through the bearing and links to each other has a supporting seat, and is a plurality of the supporting seat rigid coupling is in the inner wall both ends of two barrels respectively, and is a plurality of the equal rigid coupling of outer wall one end of screw rod has the umbrella type gear.

Preferably, two the inner wall of barrel all is equipped with lazytongs, lazytongs includes the ring gear, two the ring gear links to each other through the inside rotation of bearing with two barrels respectively, two the ring gear links to each other with a plurality of bevel gear engagement respectively, two the equal rigid coupling in outer wall one end of ring gear has the plectane, two the plectane all rotates with the outer wall of body through the bearing and links to each other.

Preferably, a plurality of salient points are fixedly connected to the outer walls of the two circular plates.

Compared with the prior art, the utility model has the beneficial effects that: this smooth screw-nut of ball backward flow, through the plectane, the bump, the screw rod, the bevel lever, cooperation between the sloping block and the body of rod etc, make to drive the plectane through the bump and rotate, when the plectane rotates, drive the ring gear and rotate, when the ring gear rotates, drive two umbellate gears and the screw rod that corresponds and carry out synchronous rotation, when the screw rod rotates, slip through slider and spout links to each other, the screw rod can drive the outside removal of corresponding sloping pole, and then make the sloping pole promote sloping block and the body of rod to remove, with the inside of body of rod immigration barrel, and then contact with the thread groove of external lead screw, and then when external lead screw rotates or the body rotates, the greasy dirt and the dust of the thread groove department of external lead screw can be clear away to a plurality of bodies, and then make the inside ball of body can carry out smooth backward flow, improve the mobility stability of body.

Through the cooperation between slider, spout and the barrel etc for the slip through slider and spout links to each other, and the slider can drive the inclined plane pole and carry out stable removal about, and then when making the screw rod rotate, can drive the inclined plane pole and carry out stable removal about, and the inclined plane pole drives the elevating movement stability of sloping block and the body of rod.

Drawings

FIG. 1 is a schematic diagram of the connection relationship of the present invention;

FIG. 2 is a schematic cross-sectional view of the cartridge of FIG. 1;

FIG. 3 is a schematic structural view of the lever body, the swash block and the spring in FIG. 2;

fig. 4 is a schematic structural view of the circular plate, the screw and the support seat in fig. 2.

In the figure: 1. the device comprises a body, 2, a sliding groove, 3, a sliding block, 4, a salient point, 5, a cleaning mechanism, 501, a cylinder body, 502, a sleeve, 503, a rod body, 504, an inclined block, 505, a spring, 506, an inclined rod, 6, a traction mechanism, 601, a screw rod, 602, a supporting seat, 603, an umbrella-shaped gear, 7, a synchronization mechanism, 701, a gear ring, 702 and a circular plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lead screw nut with smooth ball backflow comprises a body 1, cleaning mechanisms 5 are arranged at two ends of the outer wall of the body 1 respectively, each cleaning mechanism 5 comprises a cylinder body 501, the two cylinder bodies 501 are fixedly connected to two ends of the outer wall of the body 1 respectively, sleeves 502 are fixedly connected to two ends of the inner wall of the two cylinder bodies 501 respectively, rod bodies 503 are arranged inside the sleeves 502 in a clearance fit mode, the rod bodies 503 can move up and down on the inner wall of the sleeves 502, oblique blocks 504 are fixedly connected to one ends of the outer walls of the rod bodies 503 respectively, the oblique blocks 504 are used for driving the rod bodies 503 to move out of the inner walls of the cylinder bodies 501 respectively, springs 505 are arranged on the outer walls of the rod bodies 503 in a clearance fit mode, the springs 505 give force to the rod bodies 503 to move into the inner walls of the cylinder bodies 501, one ends of the springs 505 are fixedly connected to the outer walls of the oblique blocks 504, the other ends of the springs 505 are fixedly connected to the outer walls of the sleeves 502, oblique blocks 504 are respectively provided with oblique rods 506 in a fit mode, the oblique rods 506 and the oblique blocks 504 are respectively in a clearance fit mode with the inner walls of the two cylinder bodies 501, the inside both ends of barrel 501 have all been processed spout 2, and the inner wall of a plurality of spouts 2 all slides and links to each other has slider 3.

Traction mechanism 6 is all equipped with in the inside of a plurality of bevel poles 506, traction mechanism 6 includes screw rod 601, the outer wall of a plurality of screw rods 601 links to each other with the inner wall screw thread of a plurality of bevel poles 506 respectively, screw rod 601 can drive bevel pole 506 and control about, the outer wall of a plurality of screw rods 601 all links to each other through the bearing rotation has supporting seat 602, make screw rod 601 rotate at supporting seat 602, a plurality of supporting seat 602 rigid coupling in the inner wall both ends of two barrels 501 respectively, the equal rigid coupling of outer wall one end of a plurality of screw rods 601 has bevel gear 603, bevel gear 603 can drive screw rod 601 and rotate.

The inner wall of two barrels 501 all is equipped with lazytongs 7, lazytongs 7 includes ring gear 701, two ring gears 701 rotate continuously with the inside of two barrels 501 through the bearing respectively, two ring gears 701 mesh continuously with a plurality of umbrella type gears 603 respectively, the equal rigid coupling of outer wall one end of two ring gears 701 has plectane 702, plectane 702 can drive ring gear 701 and rotate, and then make ring gear 701 can drive two umbrella type gears 603 that correspond and rotate, two plectanes 702 all rotate continuously through the outer wall of bearing and body 1, the equal rigid coupling of outer wall of two plectanes 702 has a plurality of bumps 4, bump 4 is used for driving plectane 702 and rotates.

When the smooth ball backflow screw nut is used, the circular plate 702 is driven to rotate through the salient points 4, the circular plate 702 rotates, the gear ring 701 is driven to rotate, when the gear ring 701 rotates, the two bevel gears 603 and the corresponding screw rods 601 are driven to synchronously rotate, when the screw rods 601 rotate, the sliding connection between the sliding blocks 3 and the sliding grooves 2 is achieved, the corresponding inclined plane rods 506 can be driven by the screw rods 601 to move outwards, further the inclined plane rods 506 push the inclined blocks 504 and the rod bodies 503 to move, the rod bodies 503 are moved into the barrel body 501, further the threaded grooves of the external screw rods are contacted, further when the external screw rods rotate or the body 1 rotates, oil stains and dust at the threaded grooves of the external screw rods can be removed by the aid of the rod bodies 503, further, the smooth backflow can be achieved through the balls inside the body 1, and the movement stability of the body 1 is improved.

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 those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "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; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a smooth screw-nut of ball backward flow, includes body (1), its characterized in that: the cleaning device is characterized in that cleaning mechanisms (5) are arranged at two ends of the outer wall of the body (1), each cleaning mechanism (5) comprises a barrel body (501), the two barrel bodies (501) are fixedly connected to two ends of the outer wall of the body (1) respectively, sleeves (502) are fixedly connected to two ends of the inner wall of each barrel body (501), rod bodies (503) are arranged in the sleeves (502) in a clearance fit mode, one end of the outer wall of each rod body (503) is fixedly connected with an oblique block (504), springs (505) are arranged in the outer walls of the rod bodies (503) in a clearance fit mode, the one end rigid coupling of spring (505) in the outer wall of sloping block (504), the other end rigid coupling of spring (505) is in the outer wall of sleeve (502), and is a plurality of sloping pole (506) have all been laminated to the outer wall one end of sloping block (504), and is a plurality of sloping pole (506) and sloping block (504) respectively with the inner wall clearance fit of two barrels (501).

2. The feed screw nut for smooth ball return of claim 1, wherein: the inner two ends of the barrel body (501) are respectively provided with a sliding groove (2), and the inner walls of the sliding grooves (2) are connected with sliding blocks (3) in a sliding mode.

3. The feed screw nut for smooth ball return of claim 1, wherein: it is a plurality of the inside of bevel pole (506) all is equipped with drive mechanism (6), drive mechanism (6) are including screw rod (601), and are a plurality of the outer wall of screw rod (601) links to each other with the inner wall screw thread of a plurality of bevel poles (506) respectively, and is a plurality of the outer wall of screw rod (601) all links to each other through bearing rotation and has supporting seat (602), and is a plurality of supporting seat (602) rigid coupling is in the inner wall both ends of two barrels (501) respectively, and is a plurality of the equal rigid coupling of outer wall one end of screw rod (601) has umbrella type gear (603).

4. The feed screw nut for smooth ball return of claim 1, wherein: two the inner wall of barrel (501) all is equipped with lazytongs (7), lazytongs (7) include ring gear (701), two ring gear (701) rotate with the inside of two barrels (501) through the bearing respectively and link to each other, two ring gear (701) link to each other with a plurality of umbrella type gear (603) meshing respectively, two the equal rigid coupling in outer wall one end of ring gear (701) has plectane (702), two plectane (702) all rotate with the outer wall of body (1) through the bearing and link to each other.

5. The feed screw nut for smooth ball return according to claim 4, wherein: the outer walls of the two circular plates (702) are fixedly connected with a plurality of salient points (4).