CN209175680U - It appears withdrawing device for broken threaded parts - Google Patents
It appears withdrawing device for broken threaded parts Download PDFInfo
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- CN209175680U CN209175680U CN201821993907.2U CN201821993907U CN209175680U CN 209175680 U CN209175680 U CN 209175680U CN 201821993907 U CN201821993907 U CN 201821993907U CN 209175680 U CN209175680 U CN 209175680U
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- nut
- withdrawing device
- threaded parts
- fracture
- broken threaded
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Abstract
The utility model relates to mechanical devices maintenance technique field, in particular to one kind is appeared withdrawing device for broken threaded parts, it is intended that provide it is a kind of split out that screw is convenient, adapts to the wide withdrawing device for broken threaded parts of appearing of place range, including the clamping part for clamping fracture of wire；Clamping part includes that the first nut and the second nut used is threadedly engaged with fracture of wire, and the first nut nominal diameter is greater than the second nut nominal diameter, and the first nut and the second nut are welded to connect, and do not destroy the screw thread of the first nut and the second nut when welding；Withdrawing device for broken threaded parts of appearing further includes the ejection part being used cooperatively with the second nut；The withdrawing device for broken threaded parts of appearing has many advantages, such as that thread damage will not be generated when low cost, screw are taken out.
Description
Technical field
The utility model relates to mechanical devices maintenance technique field, in particular to one kind is appeared withdrawing device for broken threaded parts.
Background technique
Bolt is one of most common part in building and Machine Design, they connect together various things, and bolt is first
At a glance, it appears that ordinary no surprise, but go into seriously down, you will realise that, compared with first impression, seem footy bolt and
Screw is in fact under cover more secret behind, and without them, all utensils and machine all can be incoherent, in another level, just
It is that mechanical each structure division is integrated and separated so that its effect is huge according to artificial idea by it.
Maintenance of equipment just needs to remove screw first, then repairing damaged mechanical part, but frequent when removing screw
It can encounter because the reasons such as screw quality, overexertion cause fastening screw to be broken from hexagonal (hexagon)nut.Especially set at some
It is standby to require this fastening screw that change orientation, and internal screw thread cannot be destroyed, and carried out not permitted in some fields welding and
The spindle flange through-hole fixing bolt of cutting operation especially finishing plant swinging screen, therefore, it is necessary to one kind to split out screw side
Just, what adaptation place range was wide appears withdrawing device for broken threaded parts to solve the above-mentioned problem that maintenance technician faces.
Utility model content
The purpose of this utility model, which is intended to provide, a kind of splits out the fracture of wire taking-up of appearing that screw is convenient, to adapt to place range wide
Device.
To achieve the goals above, the technical scheme adopted by the utility model is that:
It appears withdrawing device for broken threaded parts, including the clamping part for clamping fracture of wire；The clamping part includes being threadedly engaged with fracture of wire
The first nut and the second nut used, the first nut nominal diameter are greater than the second nut nominal diameter, first nut
It is welded to connect with the second nut, when welding does not destroy the screw thread of the first nut and the second nut, and the first nut and the second nut
For a positive silk and an anti-silk；Withdrawing device for broken threaded parts of appearing further includes being threadedly engaged the ejection part used with second nut, described
Ejection part can be screwed on the internal screw thread of the second nut.
The principles of the present invention are: the first nut spiral is inserted in fracture of wire screw thread, and the second nut and the first nut weld
It connects, nominal diameter of the second nut nominal diameter that when Combination Welding selects less than the first nut, and the first nut and second
Screw thread silk forms small and exquisite practical fracture of wire clamping part to a positive silk and an anti-silk setting when nut welds, then with the second nut spiral shell
When revolving in ejection part spiral the second nut of screw-in being used cooperatively, as ejection part constantly screws in, start gradually to eject fracture of wire.
The utility model has the beneficial effects that: the withdrawing device for broken threaded parts of appearing produced with the technical solution is with cost
Destruction that is low, not will cause screw thread is suitable for the advantages that workplace range is wide.
Further, above-mentioned withdrawing device for broken threaded parts of appearing, the ejection part be a stem, the stem surface be equipped with
The external screw thread of second nut internal screw thread engagement, and the ejection part end is equipped with holding section.
Further, above-mentioned withdrawing device for broken threaded parts of appearing, the holding section are polygon nut.
Further, above-mentioned withdrawing device for broken threaded parts of appearing, the ejection part are jackscrew bolt, and jackscrew bolt rod end can screw in the
In two nut internal screw threads, the gradually ejection of fracture of wire can be carried out by tool fastening jackscrew threaded screw fasteners head, it is convenient and laborsaving.
Further, above-mentioned withdrawing device for broken threaded parts of appearing, first nut and the second nut are polygon nut, polygon
Nut classification is more, wherein hexagonal (hexagon)nut application range is wider；Such as: the C grade nut of 1 type hex nut is thicker for surface
It is rough, in the not high machine of required precision, equipment or structure；A grades and B grade nuts be used for surface it is brighter and cleaner, to required precision
In higher machine, equipment or structure；The thickness M of 2 type hex nuts is thicker, is chiefly used in often being frequently necessary to the occasion of assembly and disassembly；Six
The thickness M of angle thin nut is relatively thin, is chiefly used in being connected the restricted occasion of space surface of parts.
Detailed description of the invention
Fig. 1 be the utility model appear withdrawing device for broken threaded parts decompose form cross-sectional view；
Fig. 2 is that the utility model is appeared withdrawing device for broken threaded parts combination form cross-sectional view；
Fig. 3 be the utility model appear withdrawing device for broken threaded parts decompose form main view；
Fig. 4 is that the utility model is appeared withdrawing device for broken threaded parts combination form main view；
Fig. 5 be the utility model appear withdrawing device for broken threaded parts decompose form top view；
Fig. 6 is that the utility model is appeared withdrawing device for broken threaded parts combination form top view.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: fracture of wire 1, clamping part 2, ejection part 3, the first nut 21, the second nut
22。
Embodiment is as shown in Figure 1 and Figure 2:
It appears withdrawing device for broken threaded parts, including the clamping part 2 for clamping fracture of wire 1；Clamping part 2 includes being threadedly engaged with fracture of wire 1
It is straight greater than 22 nominal of the second nut to be arranged to 21 nominal diameter of the first nut for the first nut 21 and the second nut 22 used
Diameter, the first nut 21 weld together with the second nut 22, the silk of the first nut 21 and the second nut 22 that when welding selects to
One is positive silk one as anti-silk, and does not destroy the internal screw thread of the first nut 21 and the second nut 22 when welding；Fracture of wire of appearing takes
Device further includes the ejection part 3 being used cooperatively with the second nut 22 out.
Specific ejection part 3 is a stem, and the stem surface is outer equipped with what is engaged with 22 internal screw thread of the second nut
Screw thread, and 3 end of ejection part is equipped with holding section, holding section can be polygon nut, and holding section is for tools such as back-up wrenches；
Ejection part 3 is set as jackscrew bolt, and jackscrew bolt screw rod end can screw in 22 internal screw thread of the second nut, is then fastened by tool
The bolt head of jackscrew bolt carries out the gradually ejection of fracture of wire 1, convenient and laborsaving；In addition, the first nut 21 and the second nut 22 are
Using hexagonal (hexagon)nut, six is numerous with nut classification, and application range is wider；Such as: the C grade nut of 1 type hex nut is used for surface
It is relatively rough, in the not high machine of required precision, equipment or structure；A grades and B grade nuts be used for surface it is brighter and cleaner, to essence
It spends in more demanding machine, equipment or structure；The thickness M of 2 type hex nuts is thicker, is chiefly used in often being frequently necessary to the field of assembly and disassembly
It closes；The thickness M of hexagon thin nut is relatively thin, is chiefly used in being connected the restricted occasion of space surface of parts.
It is as shown in Figure 3, Figure 4:
We make suitable screw extractor by taking metric screw M24 broken screw as an example herein；Wherein, the first nut 21
M24 hexagonal (hexagon)nut is selected, the second nut 22 selects M16 hexagonal (hexagon)nut, by screw hole in the middle part of M24 hexagonal (hexagon)nut and M16 hexagonal (hexagon)nut
Weld together after centering, the M24 hexagonal (hexagon)nut and M16 hexagonal (hexagon)nut silk that when welding selects are to a positive silk and an anti-silk, welding
Process will ensure damage the internal screw thread of the two, and jackscrew bolt selects M16 type hexagonal jackscrew bolt.
As shown in Figure 5, Figure 6；
Steps are as follows for the specific taking-up of fracture of wire 1:
(1) selection M24 hexagonal (hexagon)nut is positive silk, and M16 hexagonal (hexagon)nut is anti-silk, will be with M24 hexagonal (hexagon)nut and M16 hexagonal spiral shell
The clamping part 2 that cap is welded constantly screws in clockwise along 1 screw thread of M24 fracture of wire, until fracture of wire 1 pass through M24 hexagonal (hexagon)nut and
Stopping clamping part 2 in the hexagonal (hexagon)nut weld top M16 to the hexagonal (hexagon)nut when side M16 continues to screw in.
(2) screw rod of M16 hexagonal jackscrew bolt is clockwise manually along the internal screw thread of the M16 hexagonal (hexagon)nut of clamping part 2
It screws in, until the external screw thread of M16 hexagonal bolt screw and the screw-internal thread fit of M16 hexagonal (hexagon)nut are steady.
(3) using being suitble to the tool of M16 hex bolts bolt head to continue to screw in M16 hex bolts clockwise, when M16 hexagonal spiral shell
When bolt top to M24 fracture of wire 1, continue needle screw-in M16 hex bolts of slowly taking advantage of a situation, at this point, due to the M24 hexagonal (hexagon)nut of clamping part 2
Weld together with M16 hexagonal (hexagon)nut, then since M16 hex bolts is to the power of M16 hexagonal (hexagon)nut screwed in clockwise,
M16 hexagonal (hexagon)nut is rotation counterclockwise relative to M16 hex bolts, and similarly, clamping part 2 is also rotated counterclockwise, and M24 is positive
Silk, silk is to, on the contrary, then in the case where the rotation of M24 hexagonal (hexagon)nut drives, fracture of wire 1 is also revolved counterclockwise with 2 rotation direction of clamping part
Turn, that is, with M16 hex bolts direction of rotation on the contrary, M24 fracture of wire 1 is gradually to constantly heading into M16 hex bolts
It is ejected.
(4) after M24 fracture of wire 1 is ejected completely, M16 hex bolts need to be only rotated counterclockwise until screwing out clamping part 2
Until M16 hexagonal (hexagon)nut, so as to complete the Overall Steps of the extraction recovery of 1 extractor of taking-up and fracture of wire of M24 fracture of wire 1.
Since the first nut 21 is the selection carried out according to fracture of wire 1, the two cooperation is close, thus, the first nut 21 screws in
During not will cause the destruction of 1 screw thread of fracture of wire；Similarly, the nominal diameter of M16 hex bolts is less than the nominal of M24 fracture of wire 1
Diameter, thus, it will not directly be contacted with the internal screw thread of M24 fracture of wire 1 when M16 hex bolts is extracted out and restored, will not cause to break
The destruction of 1 internal screw thread of silk, so that after taking out fracture of wire 1 using 1 extractor of fracture of wire position can be taken out again in fracture of wire 1 when reparation
It is packed into corresponding bolt or screw fastener, it is convenient and economical.
Certainly, it is described above be only the program a kind of embodiment, can also make several different models nut weldering
The deformations such as composition clamping part 2 are connect, weld part can also be further added by one or more groups of nuts and be welded, since nut type is many
More, the fracture of wire 1 for needing to eject is different then different deformation selections, here, just no longer luxuriant enumerate remaining embodiment.
The withdrawing device for broken threaded parts low cost of appearing that is produced with the technical solution, can fit at the destruction that not will cause screw thread
The advantages that answering workplace range wide；And the withdrawing device for broken threaded parts of appearing can be combined according to the model of fracture of wire 1 or model
Selection is especially taken out in the workshop fracture of wire 1 for not allowing to weld and cut more adaptable.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (5)
- The withdrawing device for broken threaded parts 1. one kind is appeared, it is characterised in that: include the clamping part (2) and ejection part for clamping fracture of wire (1) (3)；The clamping part (2) includes the first nut (21) and the second nut (22), and first nut (21) can be screwed in disconnected On the screw thread of silk (1), the second nut of relative aperture (22) of the first nut (21) greatly, first nut (21) and the second nut (22) concentric to be fixedly connected, and the internal screw thread of the internal screw thread of the second nut (22) and the first nut (21) is on the contrary, the ejection Portion (3) can be screwed on the internal screw thread of the second nut (22).
- 2. withdrawing device for broken threaded parts according to claim 1 of appearing, it is characterised in that: the ejection part is a stem, should Stem surface is equipped with the external screw thread engaged with the second nut internal screw thread, and the ejection part end is equipped with holding section.
- 3. withdrawing device for broken threaded parts according to claim 2 of appearing, it is characterised in that: the holding section is polygon nut.
- 4. withdrawing device for broken threaded parts according to claim 1 of appearing, it is characterised in that: the ejection part (3) is jackscrew bolt.
- 5. withdrawing device for broken threaded parts according to claim 1 of appearing, it is characterised in that: first nut (21) and the second nut It (22) is polygon nut.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821454304 | 2018-09-07 | ||
| CN2018214543045 | 2018-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209175680U true CN209175680U (en) | 2019-07-30 |
Family
ID=67375005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821993907.2U Active CN209175680U (en) | 2018-09-07 | 2018-11-29 | It appears withdrawing device for broken threaded parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209175680U (en) |
-
2018
- 2018-11-29 CN CN201821993907.2U patent/CN209175680U/en active Active
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