CN212144849U

CN212144849U - Fixing device for nut tapping

Info

Publication number: CN212144849U
Application number: CN202020895347.8U
Authority: CN
Inventors: 付园
Original assignee: Jiangsu College of Safety Technology
Current assignee: Jiangsu College of Safety Technology
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-15
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a nut technical field specifically is a fixing device for nut tapping, which comprises a fixed base, the vertical spout of having seted up of front end of fixing base, and the inside of spout passes through the vertical subtend threaded rod of installing of bearing, the fixed welding in upper end of subtend threaded rod has the knob, the swivel nut has been cup jointed to the symmetry on the subtend threaded rod, the inside symmetry of spout is provided with the slider, and the fixed cup joint of slider is on the swivel nut, the fixed welding of opening part that the front end of slider passes through the spout has the mount, and the fixed welding of front end of mount has the limiting plate. The utility model discloses a screw-thread fit who sets up subtend threaded rod and swivel nut for two sets of spacing of two sets of limiting plate right-hand members can the centre gripping not lead to the nut of external diameter, and when the tapping, two sets of limiting plates can lead to the screw, thereby in fixation nut, carry out spacing direction to the screw, make the screw can keep vertical, increase the precision and the success rate of tapping.

Description

Fixing device for nut tapping

Technical Field

The utility model relates to a nut technical field specifically is a fixing device for nut tapping.

Background

Tapping, the internal thread is processed out in the underport that will bore with the screw tap screw in with certain moment of torsion to the present indication, and in daily life, generally because relapse or misuse screw nut, lead to the internal thread of nut just to appear deformation and unable the use, need come the nut tapping again through the screw this moment, the inner wall screw thread that makes the nut through the screw thread effect carries out deformation in a certain degree and resets, but need fix the nut during the operation, and need keep the straight motion of screw just can carry out the tapping, it is comparatively troublesome to operate, and the success rate is lower, for this reason we have proposed a fixing device for the nut tapping and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device for nut tapping to need fix the nut when solving the nut tapping that proposes in the above-mentioned background art, and need keep the straight motion of screw and just can carry out the tapping, operate comparatively troublesome, and the lower problem of success rate.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut is fixing device for tapping, includes the fixing base, the vertical spout of having seted up of front end of fixing base, and the inside of spout vertically installs the subtend threaded rod through the bearing, the fixed welding in upper end of subtend threaded rod has the knob, the swivel nut has been cup jointed to the symmetry on the subtend threaded rod, the inside symmetry of spout is provided with the slider, and the fixed cover of slider connects on the swivel nut, the fixed welding of opening part that the front end of slider passes through the spout has the mount, and the fixed welding of front end of mount has the limiting plate.

Preferably, the inner wall of the sliding groove is a smooth surface, the outer diameter of the sliding block is matched with the inner diameter of the sliding groove, and the sliding block is arranged in the sliding groove in a sliding connection mode.

Preferably, the left end and the right end of the fixing frame are respectively connected with the left side and the right side of the limiting plate in a welding mode, and the central point of the limiting plate is over against the front end opening of the sliding chute.

Preferably, the limiting plates are arc-shaped, the concave surfaces of the two groups of limiting plates are opposite, and the concave surfaces of the limiting plates are smooth surfaces.

Preferably, the left ends of the two groups of limiting plates are fixedly welded with limiting strips, and the surfaces of the two opposite sides of the limiting strips are planes.

Preferably, the left end surface of the limiting plate is glued with a rubber mat, and the surface of the rubber mat is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that: this fixing device is used in nut tapping, through the screw-thread fit who sets up subtend threaded rod and swivel nut, when making subtend threaded rod rotate, the swivel nut can remove in the spout through two sets of sliders of screw thread effect subtend drive, with the interval between two sets of limiting plates that changes, make two sets of spacing of two sets of limiting plate right-hand members can the centre gripping not lead to the nut of external diameter, and when the tapping, two sets of limiting plates can lead to the screw, thereby in fixation nut, carry out spacing direction to the screw, make the screw can keep vertical, increase the precision and the success rate of tapping.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention from the back;

FIG. 3 is a right-side view of the structure of the present invention;

fig. 4 is a left side view of the structure of the present invention.

In the figure: 1. a fixed seat; 2. a chute; 3. an opposite-direction threaded rod; 4. a knob; 5. a threaded sleeve; 6. a slider; 7. a fixed mount; 8. a limiting plate; 9. a limiting strip; 10. a rubber pad.

The specific implementation mode is as follows:

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.

Referring to fig. 1-4, the present invention provides an embodiment: a fixing device for nut tapping comprises a fixing seat 1, a sliding groove 2 is vertically formed in the front end of the fixing seat 1, a reverse threaded rod 3 is vertically installed inside the sliding groove 2 through a bearing, a knob 4 is fixedly welded at the upper end of the reverse threaded rod 3, screw sleeves 5 are symmetrically sleeved on the reverse threaded rod 3, sliding blocks 6 are symmetrically arranged inside the sliding groove 2, the sliding blocks 6 are fixedly sleeved on the screw sleeves 5, the inner wall of the sliding groove 2 is a smooth surface, the outer diameter of each sliding block 6 is matched with the inner diameter of the sliding groove 2, each sliding block 6 is arranged in the sliding groove 2 in a sliding connection mode, a fixing frame 7 is fixedly welded at the front end of each sliding block 6 through the opening of the corresponding sliding groove 2, a limiting plate 8 is fixedly welded at the front end of each fixing frame 7, the limiting plates 8 are arc-shaped, the concave surfaces of the two groups of the limiting plates 8 are opposite, the central point of the limiting plate 8 is just opposite to the front end opening of the sliding chute 2, the left ends of the two groups of limiting plates 8 are fixedly welded with the limiting strips 9, and the opposite side surfaces of the two groups of limiting strips 9 are arranged to be planes, when in use, a nut is placed between the two groups of limiting strips 9, then the knob 4 is rotated to enable the knob 4 to drive the opposite threaded rod 3 to rotate, then the two groups of screw sleeves 5 symmetrically sleeved on the opposite threaded rod 3 can drive the two groups of sliding blocks 6 to oppositely slide in the sliding chute 2 through the screw thread effect, then the two groups of sliding blocks 6 can drive the two groups of limiting plates 8 to oppositely displace through the fixing frame 7, the distance between the two groups of limiting plates 8 is changed by the mode, the distance between the two groups of limiting strips 9 is changed, then the two groups of limiting strips 9 are controlled by the operation to clamp the nut, then the tapping screw is, then, the tool extends into the two groups of limiting plates 8 to jack the screw heads and rotate, the limiting of the limiting plates 8 keeps the screw vertical, the limiting strips 9 limit the nut to rotate, and then the screw is rotated forcibly to perform tapping;

limiting plate 8's left end surface veneer has cushion 10, and the surface of cushion 10 is provided with anti-skidding line, and this structure is used for increasing the frictional force between 8 right-hand members of limiting plate and the nut to when the nut is pushed down at limiting plate 8, alleviate the extrusion influence to the nut through the flexibility, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fixing device for nut tapping, includes fixing base (1), its characterized in that: the fixed welding of opening part that the front end of fixing base (1) was passed through spout (2) has vertically seted up, and the inside of spout (2) has vertical subtend threaded rod (3) of installing through the bearing, the fixed welding in upper end of subtend threaded rod (3) has knob (4), subtend threaded rod (3) are gone up the symmetry and have been cup jointed swivel nut (5), the inside symmetry of spout (2) is provided with slider (6), and slider (6) is fixed cup joints on swivel nut (5), the fixed welding of front end through spout (2) of slider (6) has mount (7), and the fixed welding of front end of mount (7) has limiting plate (8).

2. The fixing device for nut tapping according to claim 1, wherein: the inner wall of the sliding groove (2) is a smooth surface, the outer diameter of the sliding block (6) is matched with the inner diameter of the sliding groove (2), and the sliding block (6) is arranged in the sliding groove (2) in a sliding connection mode.

3. The fixing device for nut tapping according to claim 1, wherein: the left end and the right end of the fixing frame (7) are respectively connected with the left side and the right side of the limiting plate (8) in a welding mode, and the central point of the limiting plate (8) is over against the front end opening of the sliding chute (2).

4. The fixing device for nut tapping according to claim 1, wherein: the limiting plates (8) are arc-shaped, the concave surfaces of the two groups of limiting plates (8) are opposite, and the concave surfaces of the limiting plates (8) are smooth surfaces.

5. The fixing device for nut tapping according to claim 1, wherein: the left end of the two groups of limiting plates (8) is fixedly welded with limiting strips (9), and the surfaces of the two opposite sides of the limiting strips (9) are arranged to be planes.

6. The fixing device for nut tapping according to claim 1, wherein: the left end surface of the limiting plate (8) is glued with a rubber mat (10), and the surface of the rubber mat (10) is provided with anti-skid lines.