CN211315014U

CN211315014U - Lead screw nut convenient to installation

Info

Publication number: CN211315014U
Application number: CN201921661345.6U
Authority: CN
Inventors: 吴辉
Original assignee: CHANGZHOU FULIKANG PRECISION MACHINERY CO LTD
Current assignee: CHANGZHOU FULIKANG PRECISION MACHINERY CO LTD
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-08-21
Anticipated expiration: 2029-10-07

Abstract

The utility model relates to the technical field of ball screws, in particular to a screw nut convenient to install, which comprises a screw nut body, wherein inner rings at the upper end and the lower end of the screw nut body are provided with reverser bodies, and the top of the reverser bodies is formed with positioning lugs; the outer wall of the screw nut body penetrates through the ball mounting hole, the magnetic sealing column is inserted in the ball mounting hole and fixedly welded on the fixing plate. The middle end face reverser of the utility model carries out double-appearance positioning, the positioning is more accurate, and the smoothness and the service life of the product are improved; the utility model discloses well screw nut body is equipped with the ball mounting hole, can replace the mounting means of current ball, need not dismantle the terminal surface reverser, avoids the terminal surface reverser to cause the not hard up condition of dismouting because of changing the ball.

Description

Lead screw nut convenient to installation

Technical Field

The utility model relates to a ball spare part technical field specifically is a screw nut convenient to installation.

Background

The lead screw nut is an ideal product for converting rotary motion into linear motion or converting the linear motion into the rotary motion, an end face reverser on the lead screw nut body is generally used for limiting a device in which balls cannot fall and perform internal circulation, a traditional screw rod always has the conditions of poor positioning and easy damage, steel balls are placed between a nut and the screw rod to replace sliding friction through rolling friction, and the conditions of poor positioning and easy damage are improved, but the end face reverser on the lead screw nut body still has the following defects in the actual use process:

among the prior art, the terminal surface reverser on the screw nut body often fixes a position inaccurately, appears blocking phenomenon such as easily, and the terminal surface reverser often is inconvenient dismouting and changes the ball, uses inconveniently. To this end, we propose a lead screw nut that is easy to install to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lead screw nut convenient to installation to solve the problem that proposes among the above-mentioned background art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a lead screw nut convenient to install comprises a lead screw nut body, wherein an inner ring of the lead screw nut body is provided with an internal thread, inner rings at the upper end and the lower end of the lead screw nut body are respectively provided with an reverser installing groove, and an end face reverser is installed in the reverser installing groove in a matched mode; the upper end and the lower end of the internal thread are provided with butt joints for carrying out ball butt joint with the end face reverser; the end face reverser comprises a reverser body, a reverse channel is arranged on a forming surface of the reverser body, an outward inclined ball shifting baffle piece is integrally connected to the reverser body at the inlet section of the reverse channel, a positioning lug is formed at the top of the reverser body, and a positioning lug groove matched with the positioning lug is arranged on the reverser mounting groove;

first screw hole has all been seted up at the upper and lower both ends of screw nut body, and the upper and lower both ends of screw nut body are all covered outward and are pressed the clamping ring, be provided with three second screw holes that are the annular and distribute of group on the clamping ring, the inside of screw nut body is provided with the straight passageway that circulates, screw nut body outer wall runs through there is the ball mounting hole, and the ball mounting hole intercommunication the internal thread, it has the magnetism sealed post to peg graft in the ball mounting hole, the connection of after section of magnetism sealed post has the fixed plate.

Preferably, the reverse channel is arranged in a round angle shape, one end of the reverse channel penetrates through the side face of the reverser body, and the other end of the reverse channel penetrates through the lower surface of the reverser body.

Preferably, the clamping ring is of a circular ring-shaped structure, the inner diameter of the clamping ring is consistent with that of the lead screw nut body, and the outer diameter of the clamping ring is consistent with that of the lead screw nut body.

Preferably, the circulating straight channel is distributed along the length direction of the screw nut body, and two ends of the circulating straight channel are in butt joint with the outlet end of the reversing channel in the reverser body.

Preferably, the lead screw nut body is located the both sides of ball mounting hole and has seted up and reserve the mounting hole, the both sides of fixed plate run through there is reserved screw hole, reserved screw hole corresponds the setting with reserved mounting hole, the fixed plate passes through set screw and pegs graft in proper order and reserves screw hole and reserve mounting hole fixed connection on the lead screw nut body.

Preferably, the fixed plate is attached to the outer wall of the lead screw nut body, and the end face of the magnetic sealing column is matched with the inner thread of the lead screw nut body in shape.

Compared with the prior art, the utility model provides a lead screw nut convenient to installation possesses following beneficial effect:

1. the middle end face reverser of the utility model carries out double-appearance positioning, the positioning is more accurate, and the smoothness and the service life of the product are improved;

2. the screw nut body of the utility model is provided with the ball mounting hole, which can replace the existing ball mounting mode, and the end surface reverser does not need to be disassembled, thereby avoiding the condition that the disassembly and the assembly of the end surface reverser are not flexible due to the replacement of the ball;

3. the utility model discloses well ball mounting hole plug-in connection magnetism seal post, magnetism seal post tip and internal thread phase-match for the ball rolls smoothly, and the magnetism seal post is convenient when changing the ball to adsorb out the ball, and the practicality is strong.

Drawings

FIG. 1 is a schematic view of the structure above the screw nut body of the present invention;

FIG. 2 is a schematic view of the structure below the screw nut body of the present invention;

FIG. 3 is a schematic view of the explosion structure of the screw nut body and the compression ring of the present invention;

fig. 4 is a schematic structural view of the fixing plate shown in fig. 3 according to the present invention;

fig. 5 is an exploded view of the lead screw nut body and the reverser body of the present invention;

FIG. 6 is a schematic view of the structure of the reverser of the present invention;

fig. 7 is a schematic view of the structure of the mounting groove of the reverser of the present invention.

In the figure: 1. a lead screw nut body; 2. a reverser body; 3. pressing a ring; 4. a fixing plate; 5. a set screw; 11. a first threaded hole; 12. an internal thread; 13. an inverter mounting groove; 14. a circulating straight channel; 15. positioning the lug groove; 16. a butt joint port; 17. a ball mounting hole; 18. reserving a mounting hole; 21. positioning the small ear; 22. a ball-pulling baffle plate; 23. a reverse channel; 41. reserving a threaded hole; 42. the column is magnetically sealed.

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.

Example (b): referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a lead screw nut convenient to installation, includes lead screw nut body 1, and internal thread 12 has been seted up to the inner circle department of lead screw nut body 1, and the upper and lower both ends inner circle department of lead screw nut body 1 all is provided with reverser mounting groove 13, and the cooperation installs the terminal surface reverser in reverser mounting groove 13.

First screw hole 11 has all been seted up at the upper and lower both ends of screw nut body 1, and the upper and lower both ends of screw nut body 1 are all covered outward and are pressed clamping ring 3, and clamping ring 3 is the ring form structure, and the internal diameter of clamping ring 3 is unanimous with the internal diameter of screw nut body 1, and the external diameter of clamping ring 3 is unanimous with the external diameter of screw nut body 1. Three groups of second threaded holes which are distributed annularly are formed in the compression ring 3, a circulating straight channel 14 is arranged inside the screw nut body 1, the circulating straight channel 14 is distributed along the length direction of the screw nut body 1, and two ends of the circulating straight channel 14 are distributed and butted with outlet ends of a reverse channel 23 in the reverser body 2.

Referring to fig. 3 and 4, a ball mounting hole 17 penetrates through an outer wall of the screw nut body 1, the ball mounting hole 17 is communicated with the internal thread 12, a magnetic sealing column 42 is inserted into the ball mounting hole 17, a front end surface of the magnetic sealing column 42 is matched with the internal thread 12 inside the screw nut body 1 in shape, and a fixing plate 4 is connected to a tail portion of the magnetic sealing column 42.

The both sides that lead screw nut body 1 lies in ball mounting hole 17 have been seted up and have been reserved mounting hole 18, and the both sides of fixed plate 4 run through and have reserved screw hole 41, reserve screw hole 41 and reserve the corresponding setting of mounting hole 18, and fixed plate 4 is pegged graft in proper order through set screw 5 and is reserved screw hole 41 and reserve the fixed laminating of mounting hole 18 and connect on the outer wall of lead screw nut body 1.

Referring to fig. 6 and 7, the upper and lower ends of the internal thread 12 are provided with butt joints 16 for ball butt joint with the end surface reverser; the end face reverser comprises a reverser body 2, a reversing channel 23 is arranged on a forming surface of the reverser body 2, the reversing channel 23 is in a round-angle shape, one end of the reversing channel 23 penetrates through the side surface of the reverser body 2, the other end of the reversing channel penetrates through the lower surface of the reverser body 2, the reverser body 2 is located at the inlet section of the reversing channel 23 and is integrally connected with a ball-poking baffle 22 which inclines outwards, a positioning lug 21 is formed at the top of the reverser body 2, and a positioning lug groove 15 matched with the positioning lug 21 is formed in the reverser mounting groove 13.

The working principle is as follows: the utility model discloses the during operation, establish 1 whole cover of screw nut body on the lead screw, then pass through the fixed block of little ear 21 in location ear groove 15 with the reverser at both ends, afterwards, fill in the ball mounting hole 17 with the ball, peg graft in ball mounting hole 17 with magnetism seal post 42 again, fixed plate 4 passes through set screw 5 to be fixed at screw nut body 1 surface, realize the installation, it is less to make screw nut body 1 roll the time friction on the lead screw, can turn into rotary motion or rotary motion with linear motion and turn into linear motion.

The balls roll in the internal thread 12, and along with the position change of the screw nut body 1 on the screw, the balls move in the internal thread 12, move into the reverser body 2, enter the circulating straight channel 14 through the reversing channel 23, enter the reverser body 2 at the other end, circulate and circulate, and reduce the abrasion.

The mode of installing the ball from 1 both ends of screw nut body among the prior art needs to use the axostylus axostyle of dedicated supplementary installation ball, and need demolish reverser body 2 when changing the ball, and from ball mounting hole 17 department installation ball, has avoided the dismantlement of reverser body 2, because reverser body 2 is that the block is fixed, inconvenient dismantlement, and dismantle the condition that the number of times has increased the easy and appear the block between the screw nut body 1 of reverser body 2 and is not hard up.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 lead screw nut convenient to installation, includes lead screw nut body (1), the inner circle department of lead screw nut body (1) sets up internal thread (12), its characterized in that: reverser mounting grooves (13) are formed in inner rings at the upper end and the lower end of the lead screw nut body (1), and end surface reversers are installed in the reverser mounting grooves (13) in a matched mode; the upper end and the lower end of the internal thread (12) are respectively provided with a butt joint port (16) which is in ball butt joint with the end face reverser; the end face reverser comprises a reverser body (2), a reverse channel (23) is arranged on a forming surface of the reverser body (2), an outward inclined ball shifting baffle sheet (22) is integrally connected to the reverser body (2) at the inlet section of the reverse channel (23), a positioning lug (21) is formed at the top of the reverser body (2), and a positioning lug groove (15) matched with the positioning lug (21) is arranged on the reverser installing groove (13);

first screw hole (11) have all been seted up at the upper and lower both ends of screw nut body (1), and the upper and lower both ends of screw nut body (1) are all covered outward and are pressed clamping ring (3), be provided with three second screw holes that are the annular distribution of group on clamping ring (3), the inside of screw nut body (1) is provided with circulation straight channel (14), screw nut body (1) outer wall runs through there is ball mounting hole (17), and ball mounting hole (17) intercommunication internal thread (12), it has magnetism seal post (42) to peg graft in ball mounting hole (17), the connection of the afterbody of magnetism seal post (42) has fixed plate (4).

2. A lead screw nut for easy installation as claimed in claim 1, wherein: the reversing channel (23) is arranged in a round angle shape, one end of the reversing channel (23) penetrates through the side face of the reverser body (2), and the other end of the reversing channel penetrates through the lower surface of the reverser body (2).

3. A lead screw nut for easy installation as claimed in claim 1, wherein: the compression ring (3) is of a circular ring-shaped structure, the inner diameter of the compression ring (3) is consistent with that of the lead screw nut body (1), and the outer diameter of the compression ring (3) is consistent with that of the lead screw nut body (1).

4. A lead screw nut for easy installation as claimed in claim 1, wherein: the circulating straight channel (14) is distributed along the length direction of the screw nut body (1), and two ends of the circulating straight channel (14) are in butt joint with the outlet end of a reverse channel (23) in the reverser body (2).

5. A lead screw nut for easy installation as claimed in claim 1, wherein: the lead screw nut body (1) is located the both sides of ball mounting hole (17) and has been seted up and reserved mounting hole (18), the both sides of fixed plate (4) are run through and have been reserved screw hole (41), reserve screw hole (41) and reserve mounting hole (18) and correspond the setting, fixed plate (4) are pegged graft in proper order through set screw (5) and are reserved screw hole (41) and reserve mounting hole (18) fixed connection on lead screw nut body (1).

6. A screw nut for facilitating installation according to claim 5, wherein: the fixing plate (4) is attached to the outer wall of the lead screw nut body (1), and the end face of the magnetic sealing column (42) is matched with the inner thread (12) inside the lead screw nut body (1) in shape.