CN210587525U

CN210587525U - Bolt tapping device

Info

Publication number: CN210587525U
Application number: CN201921308622.5U
Authority: CN
Inventors: 戚士华
Original assignee: Yangzhou Forest Auto Parts Co Ltd
Current assignee: Yangzhou Forest Auto Parts Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-22
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a bolt chasing bar, the telescopic structure comprises a sleeve, the even welding in the outside of sleeve bottom has the bracing piece, the hack lever has all been welded to the bottom that sleeve one end was kept away from to the bracing piece, telescopic bottom is inserted and is equipped with the movable block, and the bottom of movable block has seted up fixed mouthful, the edge of fixed mouthful bottom is the annular and evenly is provided with the clamp splice, the outside cover of fixed mouthful is equipped with revolves the cover, the left and right sides of movable block all sets up threaded hole, and the middle part of screw hole all inserts through helicitic texture and is equipped with the bolt, the top welding of movable block has the bull stick, the top welding of bull stick has the commentaries on classics handle, telescopic inside is provided with the. The utility model discloses the effectual perpendicular state that is in of having guaranteed between tapping threaded rod and the hole to the power that makes the movable block push down the tapping threaded rod is very even, the effectual quality and the accurate degree that improve the tapping.

Description

Bolt tapping device

Technical Field

The utility model relates to a bolt tapping technical field specifically is a bolt chasing bar.

Background

The fixed connection structure is various, the helicitic texture is just one of numerous fixed knot constructs, also the most common fixed knot constructs, the article of our life everywhere visible bolt fastening, when the bolt is in the screw in hole, it cooperatees with it to need the hole inner wall to set up the whorl silk, and internal thread on the inner wall generally carries out the tapping through tapping screw-threaded rod to the inner wall, and when current tapping screw rod carries out the tapping, generally beat the threaded rod gently in the middle of the hole earlier, reuse spanner rotating screw-threaded rod, when operating like this, often because the threaded rod gets into the hole, and not keep the vertical state with the hole, and the tapping fails, for the staff has increased a lot of troubles, for this reason we have proposed a bolt chasing device and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt chasing bar to solve and to propose in the above-mentioned background art because when tapping threaded rod gets into the hole, not keep the vertical state with the hole, and the tapping fails, has increased a lot of troublesome problems for the staff.

In order to achieve the above object, the utility model provides a following technical scheme: a bolt tapping device comprises a sleeve, wherein supporting rods are uniformly welded on the outer side of the bottom end of the sleeve, the number of the supporting rods is four, frame rods are welded at the bottoms of the supporting rods far away from one end of the sleeve, a moving block is inserted into the bottom end of the sleeve, a fixed opening is formed in the bottom end of the moving block, clamping blocks are uniformly arranged at the edge of the bottom end of the fixed opening in an annular shape, the number of the clamping blocks is four, a rotary sleeve is sleeved on the outer side of the fixed opening, a top opening is formed in the middle of the top end of the sleeve, threaded holes are formed in the left side and the right side of the moving block, bolts are inserted into the middle of the threaded holes through a threaded structure, a rotating rod is welded at the top end of the moving block, the top end of the rotating rod penetrates through the top opening and extends to the upper side of the sleeve, the upper side and the lower side of the spring are both welded with sliding pieces, and the sliding pieces are all sleeved outside the rotating rod.

Preferably, the bottom end of the frame rod is welded with support legs, and the support legs are spherical.

Preferably, one side of the clamping block, which is far away from the rotary sleeve, is glued with a rubber pad.

Preferably, the outside of fixed mouthful is provided with the external screw thread, the top of rotating the cover inner wall is provided with the internal thread that mutually supports with fixed mouthful.

Preferably, the bottom of the clamping block close to one side of the rotary sleeve is all in an inclined plane shape, and the bottom of the inner wall of the rotary sleeve is in an inverted cone shape.

Preferably, the side of the sliding sheet far away from the spring is uniformly embedded with balls.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with the movable block, the staff holds the sleeve, the hole with the tapping threaded rod of device bottom and needs the tapping is to it, the cover section of thick bamboo pushes down, make the stabilizer blade inconsistent with the plane of hole, make whole device and hole plane be in the vertical state, the effectual vertical state that has guaranteed between tapping threaded rod and the hole, and the rotating is changeed the handle, drive the movable block through the bull stick and rotate, make the tapping threaded rod at fixed mouthful middle part rotate, a decurrent power is applyed to the movable block to the resilience force through the spring, make tapping threaded rod screw in to the hole in the middle of, carry out the tapping to the hole inner wall, make the movable block very even to the power that the tapping pushed down, the effectual quality and the accurate degree that have improved.

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 an enlarged schematic view of the structure at a in fig. 1 of the present invention;

fig. 3 is a schematic view of the front view of the structure of the present invention.

In the figure: 1. a sleeve; 2. a support bar; 3. a frame bar; 4. a support leg; 5. a moving block; 6. a fixed port; 7. a clamping block; 8. a rubber pad; 9. screwing a sleeve; 10. a top opening; 11. a threaded hole; 12. a bolt; 13. a rotating rod; 14. turning a handle; 15. a spring; 16. and (4) sliding a sheet.

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. 1-3, the present invention provides an embodiment: a bolt tapping device comprises a sleeve 1, wherein supporting rods 2 are uniformly welded on the outer side of the bottom end of the sleeve 1, the number of the supporting rods 2 is four, a hack lever 3 is welded at the bottom of one end, away from the sleeve 1, of each supporting rod 2, supporting legs 4 are welded at the bottom end of each hack lever 3, each supporting leg 4 is spherical, when a hole to be tapped is located on a non-plane surface, the spherical supporting legs 4 still can stably abut against the surface of the hole, a moving block 5 is inserted at the bottom end of the sleeve 1, a fixed port 6 is formed in the bottom end of each moving block 5, clamping blocks 7 are uniformly arranged in an annular shape at the edge of the bottom end of each fixed port 6, four groups of the clamping blocks 7 are arranged, a rotary sleeve 9 is sleeved on the outer side of each fixed port 6, external threads are arranged on the outer side of each fixed port 6, internal threads matched with the top end of the inner wall, the bottom of 9 inner walls of cover soon is the back taper form, in the middle of the staff inserts the threaded rod of tapping in fixed mouthful 6, the cover 9 is revolved in the rotation, it moves up to overlap 9 through the helicitic texture drive soon, 9 bottom inner walls of cover soon and clamp splice 7 are to contradicting, it is tight to make clamp splice 7 press from both sides to the threaded rod, fix the tapping threaded rod at the middle part of fixed mouthful 6, one side that the cover 9 was all glued soon is kept away from to clamp splice 7 has rubber pad 8, improve the frictional force between clamp splice 7 and the tapping threaded rod, make clamp splice 7 fix more firm to it.

Top opening 10 has been seted up at the middle part on sleeve 1 top, threaded hole 11 has all been seted up to the left and right sides of movable block 5, and threaded hole 11's middle part all is inserted through helicitic texture and is equipped with bolt 12, the top welding of movable block 5 has bull stick 13, and the top of bull stick 13 passes top opening 10 and extends to sleeve 1's top, the top welding of bull stick 13 has commentaries on classics handle 14, sleeve 1's inside is provided with spring 15, and the outside of bull stick 13 is located to spring 15 cover, gleitbretter 16 has all been welded to the upper and lower both sides of spring 15, and gleitbretter 16 all overlaps the outside of locating bull stick 13, one side that spring 15 was kept away from to gleitbretter 16 all evenly is embedded to have the ball, reduce the frictional force between gleitbretter 16 and sleeve 1 inner wall and the movable block 5, prevent that movable block 5 from.

The working principle is as follows: the worker inserts the threaded rod of tapping into the fixed opening 6, rotates the rotary sleeve 9, drives the rotary sleeve 9 to move upwards through the threaded structure, the inner wall of the bottom end of the rotary sleeve 9 is abutted against the clamping block 7, the clamping block 7 is clamped towards the threaded rod, the tapping threaded rod is fixed in the middle of the fixed opening 6, then the worker rotates the two groups of bolts 12, the bolts 12 move towards the inside of the moving block 5 through the threaded structure, the two groups of bolts 12 tighten the tapping threaded rod and further fix the tapping threaded rod, finally the worker holds the sleeve 1 by hand, taps the threaded rod at the bottom of the device and the hole needing tapping are aligned with each other, the sleeve 1 is pressed downwards, the support legs 4 are abutted against the plane of the hole, the whole device and the plane of the hole are in a vertical state, the rotary handle 14 is rotated, the rotary rod 13 drives the moving block 5 to rotate, the tapping at the middle of the fixed opening 6 is rotated, and a downward force is applied to the, make tapping threaded rod screw in to the hole in the middle of, carry out the tapping to the hole inner wall, this structure is effectual has guaranteed to be in the vertical state between tapping threaded rod and the hole to the resilience force through spring 15 exerts decurrent power, makes the movable block 5 very even to the power that tapping threaded rod pushed down, the effectual quality and the accurate degree that have improved the tapping, the above is that 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. A bolt tapping device, includes sleeve (1), its characterized in that: the support rod (2) is uniformly welded on the outer side of the bottom end of the sleeve (1), the number of the support rods (2) is four, the frame rods (3) are welded on the bottom of one end, away from the sleeve (1), of each support rod (2), the moving block (5) is inserted into the bottom end of the sleeve (1), a fixing port (6) is formed in the bottom end of each moving block (5), clamping blocks (7) are uniformly arranged at the edge of the bottom end of each fixing port (6) in an annular shape, the number of the clamping blocks (7) is four, a rotary sleeve (9) is sleeved on the outer side of each fixing port (6), a top opening (10) is formed in the middle of the top end of the sleeve (1), threaded holes (11) are formed in the left side and the right side of each moving block (5), bolts (12) are inserted into the middle of each threaded hole (11), and rotating rods, and the top of bull stick (13) passes top mouth (10) and extends to the top of sleeve (1), the top welding of bull stick (13) has commentaries on classics handle (14), the inside of sleeve (1) is provided with spring (15), and the outside of bull stick (13) is located to spring (15) cover, gleitbretter (16) have all been welded to the upper and lower both sides of spring (15), and the outside of bull stick (13) is all located to gleitbretter (16) cover.

2. A bolt tapping apparatus according to claim 1 wherein: the bottom of the frame rod (3) is welded with support legs (4), and the support legs (4) are spherical.

3. A bolt tapping apparatus according to claim 1 wherein: and a rubber pad (8) is glued on one side of the clamping block (7) far away from the rotary sleeve (9).

4. A bolt tapping apparatus according to claim 1 wherein: the outside of fixed mouthful (6) is provided with the external screw thread, the top of rotating sleeve (9) inner wall is provided with the internal thread that mutually supports with fixed mouthful (6).

5. A bolt tapping apparatus according to claim 1 wherein: the bottom that clamp splice (7) are close to and revolve cover (9) one side all is the inclined plane form, the bottom of revolving cover (9) inner wall is the back taper form.

6. A bolt tapping apparatus according to claim 1 wherein: and balls are uniformly embedded in one side of the sliding sheet (16) far away from the spring (15).