CN210889956U

CN210889956U - Ball screw who facilitates use

Info

Publication number: CN210889956U
Application number: CN201921996654.9U
Authority: CN
Inventors: 沈丽民
Original assignee: Guangdong Yulong Technology Co ltd
Current assignee: Guangdong Yulong Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a ball screw who facilitates use, including first threaded rod, the bottom fixed mounting of first threaded rod has the installation piece, the spout has all been seted up at the upper and lower both ends of installation piece, the inner chamber sliding connection of spout has the slider, one side fixedly connected with support of spout is kept away from to the slider, one side fixed mounting that the slider was kept away from to the support has the ejector pad, fixedly connected with spring between the ejector pad. The utility model discloses a first threaded rod, the stopper, the fixed pin, the spout, the slider, a support, the ejector pad, the preformed hole, the second ball, the installation bearing, the bearing inner circle, the second threaded rod, the mounting groove, the screw groove and the cooperation of spring, it is interference fit with the bearing to have solved current ball screw, when installing with the bearing, need rely on the manual work to strike or install with the mode that the press impressed, consuming time and power, inefficiency, and make the bearing damage easily moreover, reduce the life's of bearing the problem.

Description

Ball screw who facilitates use

Technical Field

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

Background

The ball screw is the most frequently used transmission element on tool machinery and precision machinery, the main function is to convert rotary motion into linear motion, or convert torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency, and the ball screw has very small frictional resistance, and is widely applied to various industrial equipment and precision instruments, the existing ball screw and a bearing are in interference fit, and when the ball screw and the bearing are installed, the ball screw is required to be installed by means of manual knocking or pressing by a press, time and labor are consumed, the efficiency is low, the bearing is easy to damage, the service life of the bearing is shortened, and therefore, the ball screw convenient to use is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball screw who facilitates use possesses and dismantles convenient advantage, has solved that current ball screw is interference fit with the bearing, when installing with the bearing, need rely on the manual work to strike or install with the mode that the press impressed, consuming time power, inefficiency makes the bearing damage moreover easily, reduces the problem of the life of bearing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball screw who facilitates use, includes first threaded rod, the bottom fixed mounting of first threaded rod has the installation piece, the spout has all been seted up at the upper and lower both ends of installation piece, the inner chamber sliding connection of spout has the slider, one side fixedly connected with support of spout is kept away from to the slider, one side fixed mounting that the slider was kept away from to the support has the ejector pad, fixedly connected with spring between the ejector pad, the spiral shell groove has been seted up to the bottom of installation piece, the inner chamber threaded connection of spiral shell groove has the second threaded rod, the top fixed mounting on second threaded rod surface has the stopper, one side fixed mounting that the stopper was kept away from to the ejector pad has the fixed pin, the surface cover of installation piece is equipped with the.

Preferably, the surface of the first threaded rod is sleeved with a screw block, and an inner cavity of the screw block is provided with a first ball matched with the first threaded rod for use.

Preferably, the bottom of the second threaded rod is fixedly provided with a mounting groove, and the bottom of the mounting groove is fixedly provided with a rotating handle.

Preferably, the inner cavity of the mounting bearing is connected with a bearing inner ring through a second ball in a sliding manner, and a preformed hole matched with the fixing pin for use is formed in the inner wall of the bearing inner ring.

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

when the first threaded rod is installed, the installation block is inserted into the bearing inner ring, the rotating handle is installed on the second threaded rod through the installation groove, the rotating handle is screwed to drive the second threaded rod to rotate, the second threaded rod can move upwards due to the screw groove, the second threaded rod drives the limiting block to move upwards, the limiting block pushes the pushing block to move towards the left side and the right side, the pushing block pushes the fixed pin to move, so that the fixed pin is clamped on the reserved hole in the bearing inner ring to achieve the fixing effect, on the contrary, when the first threaded rod or the installation bearing needs to be replaced, the installation groove is screwed in the opposite direction, the second threaded rod drives the limiting block to move downwards, the spring drives the pushing block to rebound, the pushing block drives the fixed pin to move to be separated from the reserved hole, then the lead screw can be taken out, the problem that the existing ball lead screw is in interference fit with the bearing is solved, when the, the bearing needs to be installed by means of manual knocking or pressing by a press, time and labor are consumed, efficiency is low, the bearing is easy to damage, and the service life of the bearing is shortened.

Drawings

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

fig. 2 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. a first threaded rod; 2. a first ball bearing; 3. a screw block; 4. mounting blocks; 5. a limiting block; 6. a fixing pin; 7. a chute; 8. a slider; 9. a support; 10. a push block; 11. reserving a hole; 12. a second ball bearing; 13. mounting a bearing; 14. a bearing inner race; 15. a second threaded rod; 16. turning a handle; 17. mounting grooves; 18. a screw groove; 19. a spring.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a first threaded rod 1, first ball 2, spiral shell piece 3, installation piece 4, stopper 5, fixed pin 6, spout 7, slider 8, support 9, ejector pad 10, preformed hole 11, second ball 12, installation bearing 13, bearing inner race 14, second threaded rod 15, change 16, mounting groove 17, spiral shell groove 18 and spring 19 parts and be the general standard or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-2, a ball screw convenient to use includes a first threaded rod 1, a screw block 3 is sleeved on the surface of the first threaded rod 1, a first ball 2 matched with the first threaded rod 1 is arranged in the inner cavity of the screw block 3, an installation block 4 is fixedly installed at the bottom of the first threaded rod 1, sliding grooves 7 are respectively formed at the upper end and the lower end of the installation block 4, a sliding block 8 is slidably connected to the inner cavity of the sliding groove 7, a support 9 is fixedly connected to one side of the sliding block 8 away from the sliding groove 7, a push block 10 is fixedly installed at one side of the support 9 away from the sliding block 8, a spring 19 is fixedly connected between the push blocks 10, a screw groove 18 is formed at the bottom of the installation block 4, a second threaded rod 15 is threadedly connected to the inner cavity of the screw groove 18, an installation groove 17 is fixedly installed at the bottom of the second threaded rod 15, a rotating handle, a fixed pin 6 is fixedly arranged on one side of the push block 10 far away from the limit block 5, a mounting bearing 13 is sleeved on the surface of the mounting block 4, the inner cavity of the mounting bearing 13 is connected with a bearing inner ring 14 in a sliding way through a second ball 12, a preformed hole 11 matched with the fixed pin 6 for use is formed in the inner wall of the bearing inner ring 14, when the first threaded rod 1 is mounted, the mounting block 4 is inserted into the bearing inner ring 14, a rotating handle 16 is mounted on a second threaded rod 15 through a mounting groove 17, the rotating handle 16 is screwed, the rotating handle 16 drives the second threaded rod 15 to rotate, due to the arrangement of a screw groove 18, the second threaded rod 15 can move upwards, the second threaded rod 15 drives the limit block 5 to move upwards, the limit block 5 pushes the push block 10 to move towards the left side and the right side, the push block 10 pushes the fixed pin 6 to move, so that the fixed pin 6 is clamped on, when needs are changed first threaded rod 1 or installation bearing 13, twist in the opposite direction and move mounting groove 17, second threaded rod 15 drives stopper 5 downstream, spring 19 drives ejector pad 10 and kick-backs, make ejector pad 10 drive fixed pin 6 and remove, break away from preformed hole 11, then can take out the lead screw, it is interference fit with the bearing to have solved current ball screw, when installing with the bearing, need rely on the manual work to strike or with the mode installation that the press impressed, consuming time and wasting force, inefficiency, and make the bearing damage easily, reduce the life's of bearing problem.

When the mounting block 4 is used, when the first threaded rod 1 is mounted, the mounting block 4 is inserted into the bearing inner ring 14, the rotating handle 16 is mounted on the second threaded rod 15 through the mounting groove 17, the rotating handle 16 is screwed, the rotating handle 16 drives the second threaded rod 15 to rotate, due to the arrangement of the screw groove 18, the second threaded rod 15 can move upwards, the second threaded rod 15 drives the limiting block 5 to move upwards, the limiting block 5 pushes the push block 10 to move towards the left side and the right side, the push block 10 pushes the fixing pin 6 to move, so that the fixing pin 6 is clamped on the preformed hole 11 in the bearing inner ring 14 to achieve the fixing effect, conversely, when the first threaded rod 1 or the mounting bearing 13 needs to be replaced, the mounting groove 17 is screwed in the opposite direction, the second threaded rod 15 drives the limiting block 5 to move downwards, the spring 19 drives the push block 10 to rebound, so that the push block 10 drives the fixing pin 6 to move, the fixing pin is separated from, the problem of current ball screw be interference fit with the bearing, when installing with the bearing, need rely on the artifical mode installation of strikeing or impressing with the press, consuming time and wasting power, inefficiency makes the bearing damage moreover easily, reduces the life of bearing is solved.

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 ball screw who facilitates use, includes first threaded rod (1), its characterized in that: the bottom of the first threaded rod (1) is fixedly provided with an installation block (4), the upper end and the lower end of the installation block (4) are both provided with a chute (7), the inner cavity of the sliding chute (7) is connected with a sliding block (8) in a sliding way, one side of the sliding block (8) far away from the sliding chute (7) is fixedly connected with a bracket (9), a push block (10) is fixedly arranged on one side of the bracket (9) far away from the slide block (8), a spring (19) is fixedly connected between the push blocks (10), a thread groove (18) is arranged at the bottom of the mounting block (4), the inner cavity of the screw groove (18) is in threaded connection with a second threaded rod (15), the top end of the surface of the second threaded rod (15) is fixedly provided with a limiting block (5), one side fixed mounting that stopper (5) were kept away from in ejector pad (10) has fixed pin (6), the surface cover of installation piece (4) is equipped with installation bearing (13).

2. A conveniently used ball screw according to claim 1, wherein: the surface cover of first threaded rod (1) is equipped with spiral shell piece (3), the inner chamber of spiral shell piece (3) is provided with first ball (2) of using with first threaded rod (1) cooperation.

3. A conveniently used ball screw according to claim 1, wherein: the bottom fixed mounting of second threaded rod (15) has mounting groove (17), the bottom fixed mounting of mounting groove (17) has commentaries on classics handle (16).

4. A conveniently used ball screw according to claim 1, wherein: the inner chamber of installation bearing (13) has bearing inner race (14) through second ball (12) sliding connection, preformed hole (11) that use with fixed pin (6) cooperation are seted up to the inner wall of bearing inner race (14).