CN220337251U - Split nut - Google Patents

Abstract

The utility model discloses a split nut which comprises half nut sleeves, wherein two groups of half nut sleeves are arranged and are mutually attached, a limiting sleeve is sleeved on the outer side of each half nut sleeve, a jack is formed in the side wall of each half nut sleeve, a cavity is formed in the limiting sleeve, a screw is connected to the inside of the cavity in a rotating mode, and a first bevel gear is fixed above the screw. This split type nut is provided with stop collar and internal thread spacing post, two sets of half nut cover enclose and close the back can use with lead screw or bolt cooperation, can carry out spacingly to two sets of half nut covers through the stop collar, prevent that two sets of half nut covers from keeping away from each other, and the internal thread spacing post of stop collar inside can extrude two sets of half nut covers after enclosing, still can prevent that the stop collar from taking place the skew when improving two sets of half nut covers and enclosing stability, simple structure, it is comparatively convenient to dismantle to two sets of half nut covers, reduce the dismantlement degree of difficulty of half nut cover, help improving maintenance efficiency.

Description

Split nut

Technical Field

The utility model relates to the technical field of nuts, in particular to a split nut.

Background

The nut is also called a nut or a screw nut, is a fastening part matched with a bolt or a screw rod, can also be matched with a screw rod to be used as a transmission part, has very wide application, and is a part which is necessary for all production and manufacturing machines.

At present, the existing screw is basically formed integrally, when the screw rod and the screw nut are matched for use for a long time, the screw rod and the screw nut are worn out greatly, the failure rate is high, in order to avoid influencing transmission operation, the screw nut is required to be disassembled and replaced, the screw rod is required to be disassembled firstly, the screw nut is required to be overhauled and replaced, and the screw nut is required to be disassembled and replaced or overhauled and maintained, so that the maintenance efficiency is influenced.

Disclosure of Invention

The utility model aims to provide a split nut so as to solve the problem that the existing nut provided in the background art can be overhauled and replaced only by disassembling a screw rod, and the problems are troublesome in disassembly and replacement and overhauling and maintenance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a split nut comprises a half nut sleeve,

the half nut sleeves are provided with two groups and are mutually attached, the outer sides of the half nut sleeves are sleeved with limiting sleeves, the side walls of the half nut sleeves are provided with inserting holes, the interiors of the limiting sleeves are provided with cavities, and the inner walls of the cavities are provided with through holes;

the inside rotation of cavity is connected with the screw rod, and the top of screw rod is fixed with awl tooth one, the below of screw rod is provided with the spacing post of internal thread, and the spacing post of internal thread runs through the through-hole and is connected with the jack.

Through adopting above-mentioned technical scheme, two sets of half nut cover enclose and close the back and can use with lead screw or bolt cooperation, this stop collar can surround two sets of half nut covers, prevent that two sets of half nut covers from separating each other, can drive the spacing post of internal thread when the screw rod in the inside cavity of stop collar rotates and carry out vertical removal to make the spacing post card of internal thread go into the jack of half nut cover lateral wall, and then can extrude spacing to two sets of half nut covers, further prevent that two sets of half nut covers from taking place not hard up, and still can prevent that the stop collar from taking place to rock at two sets of half nut covers after enclosing, improve the stability in the use.

Preferably, the two groups of half nut sleeves are hexagonal after being enclosed, the inner wall and the outer wall of the limiting sleeve are polygonal, and the inner diameter size of the limiting sleeve corresponds to the outer diameter size of the two groups of half nut sleeves after being enclosed.

Through adopting above-mentioned technical scheme, the design of polygon can make things convenient for the staff to twist the stop collar through the spanner to make the stop collar to the half nut cover transmission moment of torsion after two sets of enclosures, and then can drive half nut cover and rotate.

Preferably, a limiting plate is fixed on the outer side of the half nut sleeve, and the limiting plate is in contact with the limiting sleeve.

By adopting the technical scheme, the limiting plate can position the limiting sleeve.

Preferably, the side wall of the limit sleeve is provided with a torsion block, the torsion block is connected with the second bevel gear, the second bevel gear is arranged on the inner wall of the cavity, and the second bevel gear is meshed with the first bevel gear.

Through adopting above-mentioned technical scheme, rotatable this turn round piece drives awl tooth two and rotates, makes awl tooth two drive the awl tooth one of being connected rather than the meshing rotate, and awl tooth drive screw rod one by one rotates to this makes the screw rod drive the jack of the spacing post of internal thread vertical movement to half nut cover lateral wall rather than threaded connection carry out spacing, and because turn round the piece setting in the lateral part of stop collar, consequently can not influence the staff to twist the stop collar through the spanner.

Preferably, the internal thread limit column is in sliding connection with the through hole.

By adopting the technical scheme, the vertical movement of the internal thread limiting column can be guided.

Preferably, the side walls of the two groups of half nut sleeves are respectively provided with a clamping block and a clamping groove, and the clamping blocks are positioned in the clamping grooves.

Through adopting above-mentioned technical scheme, enclose the back at two sets of half nut cover, the fixture block that one set of half nut was sheathed in can block into the draw-in groove that another set of half nut was sheathed in to this fixes a position two sets of half nut covers, prevents mutual dislocation between the two sets of half nut covers.

Compared with the prior art, the utility model has the beneficial effects that: the split-type nut comprises a nut body,

(1) The two groups of half nut sleeves are surrounded and combined to be matched with the screw rod or the bolt for use, the two groups of half nut sleeves can be limited through the limiting sleeve, the two groups of half nut sleeves are prevented from being mutually far away, the internal thread limiting column in the limiting sleeve can extrude the two groups of surrounded half nut sleeves, the stability of the two groups of half nut sleeves after being surrounded and combined is improved, the limiting sleeve is prevented from being deviated, the structure is simple, the disassembly of the two groups of half nut sleeves is convenient, the disassembly difficulty of the half nut sleeves is reduced, and the maintenance efficiency is improved;

(2) The clamping block and the clamping groove are arranged, after the two groups of half nut sleeves are enclosed, the clamping block on one group of half nut sleeves can be clamped into the clamping groove on the other group of half nut sleeves, so that the two groups of half nut sleeves can be positioned when being installed, mutual dislocation between the two groups of half nut sleeves is prevented, and the practicability is improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the stop collar of the present utility model;

FIG. 3 is a schematic cross-sectional view of the internal thread stop post of the present utility model;

FIG. 4 is a schematic top view of a half nut sleeve of the present utility model;

fig. 5 is a schematic side view of the half nut sleeve and stop collar of the present utility model.

In the figure: 1. half nut sleeve 2, limiting plate, 3, stop collar, 4, jack, 5, cavity, 6, through-hole, 7, screw rod, 8, awl tooth one, 9, turn round the piece, 10, awl tooth two, 11, internal thread spacing post, 12, fixture block, 13, draw-in groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: as shown in fig. 1, 2, 3, 4 and 5, two groups of half nut sleeves 1 are arranged and are mutually attached, a limit sleeve 3 is sleeved outside the half nut sleeve 1, a jack 4 is formed in the side wall of the half nut sleeve 1, a cavity 5 is formed in the limit sleeve 3, and a through hole 6 is formed in the inner wall of the cavity 5;

the inside rotation of cavity is connected with screw rod 7, and the top of screw rod 7 is fixed with awl tooth one 8, and the below of screw rod 7 is provided with internal thread spacing post 11, and internal thread spacing post 11 runs through-hole 6 and is connected with jack 4.

As shown in fig. 1, 4 and 5, the two sets of half nut sleeves 1 are enclosed to form a hexagon, the inner wall and the outer wall of the limit sleeve 3 are polygonal, and the inner diameter size of the limit sleeve 3 corresponds to the outer diameter size of the two sets of half nut sleeves 1.

As shown in fig. 1 and 2, a limiting plate 2 is fixed on the outer side of the half nut sleeve 1, and the limiting plate 2 is in contact with the limiting sleeve 3.

As shown in fig. 1, 2 and 3, a torsion block 9 is mounted on the side wall of the limit sleeve 3, the torsion block 9 is connected with a second bevel gear 10, the second bevel gear 10 is mounted on the inner wall of the cavity 5, and the second bevel gear 10 is meshed with the first bevel gear 8.

As shown in fig. 2, the internal thread limiting post 11 is slidably connected with the through hole 6.

As shown in fig. 5, the side walls of the two sets of half nut sleeves 1 are respectively provided with a clamping block 12 and a clamping groove 13, and the clamping blocks 12 are positioned in the clamping grooves 13.

Working principle: firstly, two groups of half nut sleeves 1 are enclosed, a clamping block 12 on one group of half nut sleeves 1 can be clamped into a clamping groove 13 on the other group of half nut sleeves 1, then a limiting sleeve 3 is sleeved on the two groups of enclosed half nut sleeves 1, the limiting sleeve 3 is propped against a limiting plate 2, a turning torsion block 9 drives a bevel gear 8 and a screw rod 7 to rotate, an internal thread limiting column 11 is driven to penetrate through a through hole 6 and is inserted into a jack 4 on the side wall of the half nut sleeve 1 when the screw rod 7 rotates, the two groups of half nut sleeves 1 can be extruded and limited, and the limiting sleeve 3 is prevented from shaking on the two groups of enclosed half nut sleeves 1, so that the installation of the two groups of half nut sleeves 1 is completed.

When the half nut sleeve 1 is required to be overhauled or replaced, only the torsion block 9 is required to be rotated to drive the first bevel gear 8 and the screw rod 7 to rotate, so that the screw rod 7 drives the internal thread limit column 11 to be pulled out from the jack 4 on the side wall of the half nut sleeve 1, and then the limit sleeves 3 on the two groups of half nut sleeves 1 are pulled out, so that the half nut sleeve 1 on the bolt or the screw rod can be disassembled, overhauled and maintained.

This completes the entire operation and what is not described in detail in this specification is well known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a split type nut, includes half nut cover (1), its characterized in that:

the nut sleeve (1) is provided with two groups, the two groups are mutually attached, a limit sleeve (3) is sleeved on the outer side of the nut sleeve (1), an inserting hole (4) is formed in the side wall of the nut sleeve (1), a cavity (5) is formed in the limit sleeve (3), and a through hole (6) is formed in the inner wall of the cavity (5);

the inside rotation of cavity is connected with screw rod (7), and the top of screw rod (7) is fixed with awl tooth one (8), the below of screw rod (7) is provided with internal thread spacing post (11), and internal thread spacing post (11) run through-hole (6) and are connected with jack (4).

2. A split nut as defined in claim 1, wherein: the two groups of half nut sleeves (1) are enclosed to form a hexagon, the inner wall and the outer wall of the limiting sleeve (3) are polygonal, and the inner diameter size of the limiting sleeve (3) corresponds to the outer diameter size of the two groups of half nut sleeves (1) after being enclosed.

3. A split nut as defined in claim 1, wherein: the outer side of the half nut sleeve (1) is fixed with a limiting plate (2), and the limiting plate (2) is contacted with the limiting sleeve (3).

4. A split nut as defined in claim 1, wherein: the side wall of the limit sleeve (3) is provided with a torsion block (9), the torsion block (9) is connected with a second bevel gear (10), the second bevel gear (10) is arranged on the inner wall of the cavity (5), and the second bevel gear (10) is meshed with the first bevel gear (8).

5. A split nut as defined in claim 1, wherein: the internal thread limit column (11) is in sliding connection with the through hole (6).

6. A split nut as defined in claim 1, wherein: the side walls of the two groups of half nut sleeves (1) are respectively provided with a clamping block (12) and a clamping groove (13), and the clamping blocks (12) are positioned in the clamping grooves (13).