CN114918859A

CN114918859A - Reversible loose nut sleeve

Info

Publication number: CN114918859A
Application number: CN202210546927.XA
Authority: CN
Inventors: 张冬春
Original assignee: Nanjing Meijimeixun Automation Equipment Co ltd
Current assignee: Nanjing Meijimeixun Automation Equipment Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-08-19

Abstract

The invention relates to the technical field of hardware machinery, industrial tightening and automatic assembly, and discloses a reversible loose nut sleeve which comprises a sleeve body, wherein a sleeve groove is formed in the front surface of the sleeve body, six reversing spaces are formed in the side wall of the sleeve groove, six stress protrusions are reserved on the side wall of the sleeve groove, a hexagonal nut is placed in the sleeve groove, and a connecting block is fixedly connected to the back surface of the sleeve body. According to the invention, the sleeve groove is formed, and the reversing space is formed on the side wall of the sleeve groove, so that the sleeve body and the hexagon nut can be separated from a joint state through reversing the sleeve body after the hexagon nut is screwed down, the sleeve body is convenient to take down, the stress bulge is reserved, the capability of the sleeve body for screwing down the hexagon nut is ensured, and the problem that the locking ratchet is opened by using a ratchet tool most frequently in the prior art, and the mode is complex in structure and difficult to apply in the automation field is solved.

Description

Reversible loose nut sleeve

Technical Field

The invention relates to the technical field of hardware machinery, industrial tightening and automatic assembly, in particular to a reversible loosening nut sleeve.

Background

In the field of large-torque tightening, such as large-size bolt tightening of wind power, buildings, ships and the like, because the torque is too large, the huge counter torque cannot be directly borne by manpower or a manipulator, and the large-torque tightening is generally realized by adopting a tightening tool with a counter torque arm; after the tightening is finished, the torque generates great adhesion force before the tool and the bolt or the nut are tightened, so that the tool cannot be smoothly withdrawn; at present, the most existing technology is to use a ratchet tool to open a locking ratchet, and the mode is complex in structure and difficult to apply in the field of automation.

Disclosure of Invention

The present invention aims to provide a reversible release nut sleeve which achieves the purpose of solving the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the reversible nut loosening sleeve comprises a sleeve body, the front surface of the sleeve body is provided with a sleeve groove, six reversal spaces are arranged on the side wall of the sleeve groove and six stress convex parts are reserved, a hexagonal nut is arranged in the sleeve groove, the back of the sleeve body is fixedly connected with a connecting block, one side of the connecting block, which is far away from the sleeve body, is provided with a square groove, the bottom surface of the square groove is provided with a clamping groove, the square groove is inserted with a torsion bar, the torsion bar is provided with a rotating shaft, the rotating shaft penetrates through the torsion bar, the rotating shaft is in contact connection with the torsion bar, one end of the torsion bar, which is far away from the connecting block, is fixedly connected with a bearing, the rotating shaft is fixedly connected with an inner ring of the bearing, the rotating shaft is rotationally connected with the torsion bar through the bearing, the end of the rotating shaft far away from the bearing is fixedly connected with a clamping block, and the end of the rotating shaft far away from the clamping block is fixedly connected with a rotating handle.

Preferably, the torsion bar is a quadrangular prism, the cross section of the torsion bar and the cross section of the square groove are square with the same area, so that the torsion bar can be arranged to apply torsion force on the four corners of the square groove through the edge of the torsion bar, the torsion bar drives the connecting block to rotate, and then the sleeve body is driven to rotate, and the hexagonal nut screwing operation is carried out.

Preferably, the outer wall of the torsion bar is fixedly sleeved with a rubber sleeve, and the rubber sleeve can better protect hands in the process of using the torsion bar and prevent the edges of the torsion bar from scratching the hands.

Preferably, the outer wall of the rubber sleeve is annularly provided with anti-slip lines, and friction force can be increased by the aid of the anti-slip lines, so that the torsion bar can better receive torsion force to drive the sleeve body to rotate.

Preferably, the clamping groove is a circular groove, the shape and size of the notch of the clamping groove are completely the same as the shape and size of the cross section of the clamping block, and the clamping block can be taken out of the clamping groove only when the clamping block completely corresponds to the notch, otherwise, the clamping block is clamped in the clamping groove, so that the torsion bar is fixed in the square groove.

Preferably, a friction pad is fixedly connected to the inner wall of the through hole, through which the torsion bar penetrates by the rotating shaft, and the friction pad is tightly attached to the rotating shaft.

Preferably, the one end that the connecting block was kept away from to the torsion bar is provided with the protective sheath, the protective sheath covers the turning handle completely, through setting up the protective sheath, can cover the turning handle, avoids touching the turning handle in the use by mistake, leads to the turning handle to drive the pivot and rotates, makes the notch position of fixture block and draw-in groove correspond, leads to the torsion bar to drop from square inslot.

Preferably, the one end that the connecting block was kept away from to the torsion bar is cylindrical setting, be provided with the external screw thread on cylindrical one section of torsion bar, the inner wall opening part of protective sheath is provided with the internal thread, protective sheath threaded connection is on one end of torsion bar, through setting up internal thread and external screw thread, can be with protective sheath threaded connection on the torsion bar, can fix the protective sheath on the torsion bar fast, facilitates the use.

The invention provides a reversible release nut socket. The method has the following beneficial effects:

(1) according to the invention, by arranging the sleeve groove and arranging the reversing space on the side wall of the sleeve groove, after the hexagonal nut is screwed down, the sleeve body and the hexagonal nut are separated from a joint state through reversing the sleeve body, the sleeve body is convenient to take down, the stress bulge part is reserved, the capability of the sleeve body for screwing the hexagonal nut is ensured, and the problems that in the prior art, most ratchet tools are used, and the locking ratchet is opened, so that the mode is complex in structure and difficult to apply in the automation field are solved.

(2) According to the invention, the fixture block is arranged, the fixture block is inserted into the clamping groove, the rotating handle is rotated to rotate the fixture block, the fixture block is clamped and locked in the clamping groove, and the torsion bar is further quickly and stably fixed on the connecting block, so that the assembly is completed, the use is convenient, and the operation is simple.

(3) According to the invention, through the arrangement of the rubber sleeve and the anti-skid lines, the friction force can be increased, so that external force is better applied to the torsion bar, the tightening effect is achieved, and the practicability of the device is improved.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a rear view of the sleeve body of the present invention;

FIG. 4 is a top view of the sleeve body of the present invention;

figure 5 is a cross-sectional view of a torsion bar of the present invention.

In the figure: 1. a sleeve body; 2. sleeving a groove; 3. a hexagonal nut; 4. connecting blocks; 5. a square groove; 6. a card slot; 7. a torsion bar; 8. a rubber sleeve; 9. anti-skid lines; 10. a rotating shaft; 11. a bearing; 12. a clamping block; 13. a handle is rotated; 14. a friction pad; 15. and (6) a protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1 to 5, the present invention provides the technical scheme: a reversible loose nut sleeve comprises a sleeve body 1, a sleeve groove 2 is formed in the front of the sleeve body 1, six reversing spaces are formed in the side wall of the sleeve groove 2, six stressed protrusions are reserved, a hexagonal nut 3 is placed in the sleeve groove 2, a connecting block 4 is fixedly connected to the back of the sleeve body 1, a square groove 5 is formed in one side, away from the sleeve body 1, of the connecting block 4, a clamping groove 6 is formed in the bottom surface of the square groove 5, a torsion bar 7 is inserted in the square groove 5, the torsion bar 7 is a quadrangular prism, the cross section of the torsion bar 7 is a square with the same area as that of the square groove 5, torsion can be applied to four corners of the square groove 5 through the edge of the torsion bar 7, the connecting block 4 is driven to rotate through the torsion bar 7, the sleeve body 1 is driven to rotate, the hexagonal nut 3 is twisted, and a rubber sleeve 8 is fixedly sleeved on the outer wall of the torsion bar 7, the rubber sleeve 8 is arranged, so that the hand can be better protected in the process of using the torsion bar 7, the hand is prevented from being scratched by the edge of the torsion bar 7, the anti-slip patterns 9 are annularly arranged on the outer wall of the rubber sleeve 8, the friction force can be increased by arranging the anti-slip patterns 9, the torsion bar 7 can better bear the torsion force to drive the sleeve body 1 to rotate, the torsion bar 7 is provided with the rotating shaft 10, the rotating shaft 10 penetrates through the torsion bar 7, the rotating shaft 10 is in contact connection with the torsion bar 7, one end of the torsion bar 7, far away from the connecting block 4, is fixedly connected with the bearing 11, the rotating shaft 10 is fixedly connected with the inner ring of the bearing 11 through the bearing 11, one end of the rotating shaft 10, far away from the bearing 11, is fixedly connected with the fixture block 12, the clamping groove 6 is a circular groove, the shape and the size of the notch of the clamping groove 6 are completely same as the shape and size of the section of the fixture block 12, so that the arrangement can ensure that only the fixture block 12 completely corresponds to the position of the notch, the clamping block 12 can be taken out from the clamping groove 6, otherwise, the clamping block 12 is clamped in the clamping groove 6, so that the torsion bar 7 is fixed in the square groove 5, the end of the rotating shaft 10 far away from the clamping block 12 is fixedly connected with a rotating handle 13, the inner wall of a through hole through which the torsion bar 7 penetrates by the rotating shaft 10 is fixedly connected with a friction pad 14, the friction pad 14 is tightly attached to the rotating shaft 10, the friction force between the rotating shaft 10 and the torsion bar 7 can be increased by arranging the friction pad 14, the influence on the clamping effect of the clamping block 12 due to the natural rotation of the rotating shaft 10 is avoided, the end of the torsion bar 7 far away from the connecting block 4 is provided with a protective sleeve 15, the rotating handle 13 is completely covered by the protective sleeve 15, the rotating handle 13 can be covered by the protective sleeve 15, the phenomenon that the rotating handle 13 is touched by mistake in the using process to drive the rotating shaft 10 to rotate due to the rotating handle 13, the clamping block 12 corresponds to the notch position of the clamping groove 6, and the torsion bar 7 falls off from the square groove 5 is avoided, the one end that connecting block 4 was kept away from to torsion bar 7 is cylindrical setting, is provided with the external screw thread in one section of the cylindrical of torsion bar 7, and the inner wall opening part of protective sheath 15 is provided with the internal thread, and protective sheath 15 threaded connection is served at torsion bar 7, through setting up internal thread and external screw thread, can be with protective sheath 15 threaded connection on torsion bar 7, can fix protective sheath 15 on torsion bar 7, facilitates the use fast.

When the torsion bar protecting device is used, the protecting sleeve 15 is screwed down, the torsion bar 7 is aligned to the square groove 5, the fixture block 12 is aligned to the fixture groove 6, the fixture block 12 is inserted into the fixture groove 6, the rotating handle 13 is rotated, the rotating handle 13 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the fixture block 12 to rotate, the fixture block 12 is tightly clamped in the fixture groove 6, and the protecting sleeve 15 is screwed on the torsion bar 7; aim at the hexagon nut 3 that needs to screw with sleeve body 1, wrap up hexagon nut 3 through grooving 2, rotate torsion bar 7, torsion bar 7 stirs connecting block 4 and sleeve body 1 and rotates, sleeve body 1 rotates and stirs hexagon nut 3 through protruding atress portion and rotates, make hexagon nut 3 screw on bolt or screw thread cylinder, screw the back with hexagon nut 3, reverse rotation torsion bar 7, torsion bar 7 drives connecting block 4 and sleeve body 1 reversal, each angle that makes hexagon nut 3 all is located the upset space of seting up on grooving 2 lateral walls, make sleeve body 1 break away from with hexagon nut 3 and paste tight state, then take off sleeve body 1 can.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. Nut sleeve can reverse the pine take off, including sleeve body (1), its characterized in that: the sleeve is characterized in that a sleeve groove (2) is formed in the front of the sleeve body (1), six reversing spaces are formed in the side wall of the sleeve groove (2), six stress-bearing protruding portions are reserved, a hexagon nut (3) is placed in the sleeve groove (2), a connecting block (4) is fixedly connected to the back of the sleeve body (1), a square groove (5) is formed in one side, away from the sleeve body (1), of the connecting block (4), a clamping groove (6) is formed in the bottom surface of the square groove (5), a torsion bar (7) is inserted in the square groove (5), a rotating shaft (10) is arranged on the torsion bar (7), the rotating shaft (10) penetrates through the torsion bar (7), the rotating shaft (10) is in contact connection with the torsion bar (7), a bearing (11) is fixedly connected to one end, away from the connecting block (4), of the torsion bar (7), and the rotating shaft (10) is fixedly connected with an inner ring of the bearing (11), the rotating shaft (10) is rotatably connected with the torsion bar (7) through a bearing (11), a clamping block (12) is fixedly connected to one end, far away from the bearing (11), of the rotating shaft (10), and a rotating handle (13) is fixedly connected to one end, far away from the clamping block (12), of the rotating shaft (10).

2. A reversible releasable nut sleeve according to claim 1, wherein: the torsion bar (7) is a quadrangular prism, and the cross section of the torsion bar (7) and the cross section of the square groove (5) are square with the same area.

3. A reversible releasable nut sleeve according to claim 1, wherein: the outer wall of the torsion bar (7) is fixedly sleeved with a rubber sleeve (8).

4. A reversible release nut sleeve according to claim 3, wherein: the outer wall of the rubber sleeve (8) is annularly provided with anti-skid grains (9).

5. A reversible, releasable nut sleeve according to claim 1, wherein: the clamping groove (6) is a circular groove, and the shape and the size of the notch of the clamping groove (6) are completely the same as the shape and the size of the cross section of the clamping block (12).

6. A reversible, releasable nut sleeve according to claim 1, wherein: and a friction pad (14) is fixedly connected to the inner wall of the through hole penetrating through the torsion bar (7) by the rotating shaft (10), and the friction pad (14) is tightly attached to the rotating shaft (10).

7. A reversible, releasable nut sleeve according to claim 1, wherein: one end of the torsion bar (7) far away from the connecting block (4) is provided with a protective sleeve (15), and the rotating handle (13) is completely covered by the protective sleeve (15).

8. A reversible release nut sleeve according to claim 7, wherein: the torsion bar (7) is far away from the connecting block (4) one end and is cylindrical, be provided with the external screw thread on the cylindrical section of torsion bar (7), the inner wall opening part of protective sheath (15) is provided with the internal thread, protective sheath (15) threaded connection is served at torsion bar (7).