CN218761204U - Gap eliminating nut for trapezoidal lead screw - Google Patents
Gap eliminating nut for trapezoidal lead screw Download PDFInfo
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- CN218761204U CN218761204U CN202222697812.9U CN202222697812U CN218761204U CN 218761204 U CN218761204 U CN 218761204U CN 202222697812 U CN202222697812 U CN 202222697812U CN 218761204 U CN218761204 U CN 218761204U
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Abstract
The utility model belongs to the technical field of lead screws, and discloses a gap eliminating nut for a trapezoidal lead screw, which comprises a nut main body; an adjusting stud located inside the nut body for mounting the nut body; the auxiliary nut is positioned on the right side of the nut body; a main nut located on the left side of the nut body. This trapezoidal lead screw is with clearance nut that disappears is through setting up the regulation double-screw bolt, main nut and vice nut, the regulation double-screw bolt is used for fixed main nut and vice nut, the draw-in groove size of main nut and the draw-in strip size looks block of vice nut, thereby make clearance nut simple to operate that disappears, moreover, the steam generator is simple in structure, through setting up the spring in the regulation double-screw bolt outside, and set up a plurality of regulation double-screw bolts, solve the problem that the spring is lost and the spring life-span is short when the dismouting easily, compare in installing the solitary spring in the nut among the prior art, it disappears clearance efficiency better, and make nut life longer.
Description
Technical Field
The utility model relates to a lead screw technical field specifically is a trapezoidal lead screw is with eliminating clearance nut.
Background
Trapezoidal lead screw is a nut and does not take the sliding lead screw of steel ball, relies on threaded connection's mode to slide on the lead screw, is different from ball, and trapezoidal lead screw's thread becomes trapezoidal, and trapezoidal lead screw's inner structure is simple, and the cost is lower, and its effect is equal to ball and is used for turning into linear motion with equipment rotary motion, and trapezoidal lead screw's transmission efficiency is good, but compares in ball its auto-lock nature relatively poor.
In the prior art, as disclosed in application No. CN202121441752.3, a connecting structure of a screw nut, including the nut main body, the intermediate position department of nut main body has seted up the internal thread through-hole, the inside of internal thread through-hole is provided with the internal thread, the mounting groove has been seted up to the periphery of nut main body, the inside slidable mounting of mounting groove has the adjustable ring, the spout has been seted up on the surface of adjustable ring, the corresponding nut main body department of spout is provided with the guide rail of mutually supporting with the spout, the periphery of adjustable ring is equidistant to be seted up the spacing hole of screw thread, fixed casing is installed to one side on nut main body surface, this novel transmission in proper order through the gear drive structure, finally make the one end contact of butt rod and butt the external screw thread surface of screw rod structure, thereby realized carrying out effectual card solid spacing to the external screw thread of screw rod structure, the connection steadiness of screw nut structure has been increased, and the user rotates progressive spiral locating part, make progressive spiral locating part insert the inside in the spacing hole of screw thread, the fixing of butt rod position has been realized, butt rod atress has been avoided and has slided easily, but this nut still has the following problem:
trapezoidal lead screw is in long-time use, through reciprocating sliding, there is numerous friction between nut and the lead screw, consequently can produce wearing and tearing, when producing wearing and tearing between lead screw and the nut, threaded connection between nut and the lead screw becomes unstable, consequently leads to lead screw drive's stability to worsen, exists among the partial prior art and eliminates clearance between lead screw and the nut through the spring, still when having the dismouting nut, the spring loses easily, the problem that the spring life-span is short, causes the cost waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a trapezoidal lead screw is with clearance nut that disappears to solve the current lead screw nut that the above-mentioned background art provided on the existing market produce nut and lead screw clearance because of wearing and tearing easily in the use, lead to the poor problem of transmission efficiency and part to have between disappearing the nut and lead to the spring to lose easily at the dismouting in-process, problem with increased costs.
In order to achieve the above purpose, the utility model provides a following technical scheme: a trapezoidal lead screw is with eliminating clearance nut includes:
a nut body;
the adjusting stud is positioned inside the nut body and used for installing the nut body;
a secondary nut located on the right side of the nut body; and
a main nut located on the left side of the nut body.
Preferably, a spring is further arranged on the outer side of the adjusting stud, one side of the spring is connected with the auxiliary nut, and the other side of the spring is connected with the main nut, so that a telescopic reset structure is formed.
Preferably, the upper part of the auxiliary screw cap is also provided with a screw thread,
the screw hole is positioned in the middle of the auxiliary nut, and the auxiliary nut is in an annular disc shape;
the first stud hole is located on the outer side of the screw hole, and eight stud holes are distributed around the first stud hole at equal intervals.
Preferably, the left side of the auxiliary nut is further connected with a clamping strip, the clamping strip and the auxiliary nut are of an integrated structure, and the width of the clamping strip is smaller than one sixth of the diameter of the auxiliary nut.
Preferably, the main nut includes, in combination,
the clamping column is connected to the right side of the main nut, and the diameter of the clamping column is smaller than that of the auxiliary nut;
and the clamping grooves are positioned at the top end of the right side of the clamping column, and two clamping grooves are symmetrically arranged.
Preferably, the main nut is further provided with a second stud hole, and the position of the second stud hole corresponds to the position of the first stud hole.
Preferably, the card strip corresponds to the card slot in position, and the card strip is engaged with the card slot in size.
Preferably, the adjusting stud penetrates through the first stud hole and the second stud hole, and the outer side of the adjusting stud is in threaded connection with the inner walls of the first stud hole and the second stud hole.
Preferably, the spring is arranged at the outer side of each adjusting stud, and the spring is in contact relation with the auxiliary nut and the inner wall of the main nut and is not fixedly connected with the auxiliary nut and the inner wall of the main nut.
Preferably, the diameter of the main nut is larger than that of the auxiliary nut, and the installation distance between the main nut and the auxiliary nut is equal to the length of the adjusting stud.
Compared with the prior art, the beneficial effects of the utility model are that: this trapezoidal lead screw is with eliminating clearance nut:
through setting up the regulation double-screw bolt, main nut and vice nut, the regulation double-screw bolt is used for fixed main nut and vice nut, the draw-in groove size of main nut and the draw-in strip size looks block of vice nut, thereby make clearance nut simple to operate disappears, moreover, the steam generator is simple in structure, through setting up the spring in the regulation double-screw bolt outside, and set up a plurality of regulation double-screw bolts, solve the problem that the spring is lost and the spring life is short easily when the dismouting, compare in the solitary spring of installing in the nut among the prior art, it disappears clearance efficiency better, and make nut life longer.
Drawings
FIG. 1 is a schematic view of the overall split three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the auxiliary nut of the present invention;
FIG. 3 is a schematic side view of the auxiliary nut of the present invention;
FIG. 4 is a front view of the main nut of the present invention;
fig. 5 is a schematic side view of the main nut of the present invention.
In the figure: 1. a nut body; 2. a screw hole; 3. a stud hole I; 4. adjusting the stud; 5. a secondary nut; 6. a spring; 7. a main nut; 8. a snap-fit post; 9. clamping the strip; 10. a card slot; 11. and a second stud hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a trapezoidal lead screw is with eliminating clearance nut includes:
a nut body 1;
the adjusting stud 4 is positioned inside the nut body 1 and used for installing the nut body 1;
a sub-nut 5 located on the right side of the nut body 1;
a main nut 7, which is located on the left side of the nut body 1.
And a spring 6 is further arranged on the outer side of the adjusting stud 4, one side of the spring 6 is connected with an auxiliary nut 5, and the other side of the spring 6 is connected with a main nut 7 to form a telescopic reset structure.
The upper part of the auxiliary screw cap 5 is also provided with a screw,
the screw hole 2 is positioned in the middle of the auxiliary nut 5, and the auxiliary nut 5 is in an annular disc shape;
the first stud hole 3 is located on the outer side of the screw hole 2, and eight stud holes 3 are distributed around the stud hole at equal intervals.
The left side of the auxiliary nut 5 is also connected with a clamping strip 9, the clamping strip 9 and the auxiliary nut 5 are of an integrated structure, and the width of the clamping strip 9 is less than one sixth of the diameter of the auxiliary nut 5.
The main screw cap 7 comprises a screw cap,
the clamping column 8 is connected to the right side of the main nut 7, and the diameter of the clamping column 8 is smaller than that of the auxiliary nut 5;
and the clamping grooves 10 are formed in the top end of the right side of the clamping column 8, and two clamping grooves 10 are symmetrically arranged.
The main nut 7 is also provided with a second stud hole 11, and the position of the second stud hole 11 corresponds to the position of the first stud hole 3.
The position of the clamping strip 9 corresponds to that of the clamping groove 10, and the clamping strip 9 is clamped with the clamping groove 10 in size.
The adjusting stud 4 penetrates through the first stud hole 3 and the second stud hole 11, the outer side of the adjusting stud 4 is in threaded connection with the inner walls of the first stud hole 3 and the second stud hole 11, and the main nut 7 and the auxiliary nut 5 are connected and installed through the adjusting stud 4.
The spring 6 is arranged on the outer side of each adjusting stud 4, the spring 6, the auxiliary nut 5 and the inner wall of the main nut 7 are in contact relation and are not fixedly connected, the gap eliminating effect is achieved through the telescopic reset of the spring 6, and the gap eliminating efficiency is improved through the arrangement of the plurality of springs 6.
The diameter of the main nut 7 is larger than that of the auxiliary nut 5, and the installation distance between the main nut 7 and the auxiliary nut 5 is equal to the length of the adjusting stud 4.
The working principle is as follows: according to the figures 1-5, firstly, the nut body 1 is mainly divided into two main parts of a main nut 7 and an auxiliary nut 5, the main nut 7 is connected with the auxiliary nut 5 through an adjusting stud 4, eight stud holes I3 are equidistantly distributed around the auxiliary nut 5, therefore, eight adjusting studs 4 need to be installed, the right side of the main nut 7 is connected with a clamping column 8, the top end of the right side of the clamping column 8 is provided with two clamping grooves 10, the clamping grooves 10 are clamped with a clamping strip 9 connected with the left side of the auxiliary nut 5, and a second stud hole 11 corresponding to the first stud hole 3 is arranged on the main nut 7, when the nut body 1 is installed, the adjusting stud 4 firstly passes through the first stud hole 3 above the auxiliary nut 5, then the spring 6 is sequentially placed on the outer side of the adjusting stud 4, one side of the spring 6 is connected with the auxiliary nut 5, and the other side of the spring 6 is connected with a main nut 7, then the auxiliary nut 5 is installed towards the main nut 7, a clamping strip 9 connected with the left side of the auxiliary nut 5 is clamped in a clamping groove 10 on a clamping column 8 at the right side of the main nut 7, then the adjusting stud 4 is screwed in a stud hole II 11 to complete the installation of the nut body 1, the middle parts of the main nut 7 and the auxiliary nut 5 are both provided with a screw hole 2, the inner wall of the screw hole 2 is a thread for installing the nut body 1 on a screw, the nut body 1 has simple structure and convenient installation, and the number of the springs 6 is increased, so that the clearance eliminating efficiency is higher, the springs 6 are arranged outside the adjusting studs 4, the loss of the springs 6 caused by the disassembly and assembly of the nut body 1 is avoided, the service life of the nut body 1 is longer, the function introduction and the step description of the gap eliminating nut for the whole trapezoidal screw rod are described above, and the contents which are not described in detail in the specification belong to the prior art which is well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a trapezoidal lead screw is with eliminating clearance nut which characterized in that includes:
a nut body (1);
an adjusting stud (4) located inside the nut body (1) for mounting the nut body (1);
a secondary nut (5) located on the right side of the nut body (1); and
a main nut (7) located on the left side of the nut body (1).
2. The gap-eliminating nut for the trapezoidal lead screw according to claim 1, characterized in that: the adjusting stud (4) is further provided with a spring (6) on the outer side, one side of the spring (6) is connected with the auxiliary nut (5), and the other side of the spring (6) is connected with the main nut (7) to form a telescopic reset structure.
3. The gap-eliminating nut for the trapezoidal lead screw according to claim 2, characterized in that: the upper part of the auxiliary screw cap (5) is also provided with a screw rod,
the screw hole (2) is positioned in the middle of the auxiliary nut (5), and the auxiliary nut (5) is in an annular disc shape;
the first stud hole (3) is located on the outer side of the screw hole (2), and eight stud holes (3) are distributed around the screw hole at equal intervals.
4. The gap eliminating nut for the trapezoidal lead screw according to claim 3, wherein: vice nut (5) left side still is connected with card strip (9), card strip (9) with vice nut (5) are the integral structure, just card strip (9) width is less than one sixth of vice nut (5) diameter.
5. The gap eliminating nut for the trapezoidal lead screw according to claim 4, wherein: the main screw cap (7) comprises,
the clamping column (8) is connected to the right side of the main nut (7), and the diameter of the clamping column (8) is smaller than that of the auxiliary nut (5);
the clamping grooves (10) are formed in the top end of the right side of the clamping column (8), and two clamping grooves (10) are symmetrically arranged.
6. The gap eliminating nut for the trapezoidal lead screw according to claim 5, wherein: the main nut (7) is further provided with a second stud hole (11), and the position of the second stud hole (11) corresponds to the position of the first stud hole (3).
7. The gap eliminating nut for the trapezoidal lead screw according to claim 6, wherein: the clamping strip (9) corresponds to the clamping groove (10) in position, and the clamping strip (9) is clamped with the clamping groove (10) in size.
8. The gap-eliminating nut for the trapezoidal lead screw according to claim 6, characterized in that: the adjusting stud (4) penetrates through the first stud hole (3) and the second stud hole (11), and the outer side of the adjusting stud (4) is in threaded connection with the inner walls of the first stud hole (3) and the second stud hole (11).
9. The gap eliminating nut for the trapezoidal lead screw according to claim 6, wherein: the springs (6) are arranged on the outer sides of the adjusting studs (4), and the springs (6) are in contact relation with the inner walls of the auxiliary nuts (5) and the main nuts (7) and are not fixedly connected.
10. The gap-eliminating nut for the trapezoidal lead screw according to claim 6, characterized in that: the diameter of the main nut (7) is larger than that of the auxiliary nut (5), and the installation distance between the main nut (7) and the auxiliary nut (5) is equal to the length of the adjusting stud (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222697812.9U CN218761204U (en) | 2022-10-13 | 2022-10-13 | Gap eliminating nut for trapezoidal lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222697812.9U CN218761204U (en) | 2022-10-13 | 2022-10-13 | Gap eliminating nut for trapezoidal lead screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218761204U true CN218761204U (en) | 2023-03-28 |
Family
ID=85697408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222697812.9U Active CN218761204U (en) | 2022-10-13 | 2022-10-13 | Gap eliminating nut for trapezoidal lead screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218761204U (en) |
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2022
- 2022-10-13 CN CN202222697812.9U patent/CN218761204U/en active Active
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