CN208565190U - A kind of break pin convenient for extraction - Google Patents
A kind of break pin convenient for extraction Download PDFInfo
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- CN208565190U CN208565190U CN201820516698.6U CN201820516698U CN208565190U CN 208565190 U CN208565190 U CN 208565190U CN 201820516698 U CN201820516698 U CN 201820516698U CN 208565190 U CN208565190 U CN 208565190U
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- break pin
- screw thread
- convenient
- break
- positioning plate
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Abstract
The utility model relates to a kind of break pins convenient for extraction, belong to hydroelectric facility connecting component technical field, including the annulus positioning plate and break pin cylinder being coaxially disposed from top to bottom, it is provided in the middle part of break pin cylinder and cuts off slot, threaded hole is provided on the upper surface of annulus positioning plate, external screw thread is provided on the outer circumference surface of annulus positioning plate, the inner ring surface of annulus positioning plate is provided with internal screw thread.Using the above structure, the utility model has the advantages that convenient for extracting.
Description
Technical field
The utility model belongs to hydroelectric facility connecting component technical field, in particular to a kind of break pin convenient for extraction.
Background technique
Break pin does not have positioning and the connection function of pin not only as a kind of specific pin, and it can be with
It is connected with signalling means and is used as detection part, in turbine technology field, cuts the connection of pin connection gate linkage
Plate and guide vane lever, under normal circumstances, for guide vane during moving, break pin has sufficient intensity to drive guide vane rotation, but works as guide vane
Between when thering is foreign matter to block, guide vane teunnion and guide vane lever be not active, and connecting plate rotates under plug drive, therefore generates to break pin
Shearing, when the shearing is greater than 1.5 times (namely shearing default stress) of normal operating stress, break pin is cut, and the guide vane is de-
From control, but other guide vanes still can normal rotation, fault spread is avoided, and transmit signals to signalling means, to warn behaviour
Make personnel's technical treatment.
In order to replace the break pin of fracture, need to take out it out of pin hole, but break pin in the prior art exists
It would generally be rusted during use, wear or even Light deformation can be generated, it is caused extremely to be not easy to take out.
Therefore a kind of break pin that can facilitate taking-up in the case where keeping original function urgently occurs.
Utility model content
The utility model provides a kind of break pin convenient for extraction, by from top to bottom coaxial arrangement annulus positioning plate and
Break pin cylinder, at the middle part of break pin cylinder, setting cuts off slot, to form a complete break pin, and by ring
Threaded hole is arranged in the upper surface of shape positioning plate, and screw rod can be screwed on the threaded hole by user, then utilizes screw rod and is somebody's turn to do
Pretightning force between threaded hole make screw rod and break pin it is affixed be an entirety, then user can by screw rod of choosing,
So that break pin be extracted, using above-mentioned design, break pin provided by the utility model can it is simple and convenient and quickly by
It extracts, there is stronger practicability compared to the prior art.
The utility model is achieved through the following technical solutions: a kind of break pin convenient for extraction, including coaxial from top to bottom
The annulus positioning plate and break pin cylinder of setting are provided in the middle part of the break pin cylinder and cut off slot, the annulus positioning plate
Upper surface on be provided with threaded hole.
Further, it in order to preferably realize the utility model, is provided on the outer circumference surface of the annulus positioning plate outer
Screw thread.
Further, in order to preferably realize that the utility model, the inner ring surface of the annulus positioning plate are provided with interior spiral shell
Line.
Further, it in order to which the utility model is better achieved, is offered on the break pin cylinder through lower upper both ends
Inner hole, be provided with the first internal screw thread on the inner hole hole wall, first internal screw thread is positioned close to the break pin cylinder
The position of lower end surface.
Further, in order to which the utility model is better achieved, the second internal screw thread, institute are additionally provided on the inner hole hole wall
State the position that the second internal screw thread is positioned close to break pin cylinder upper surface.
Further, in order to which the utility model is better achieved, the lower end surface edge of the break pin cylinder is provided with
Chamfering.
Further, in order to which the utility model is better achieved, the angle of the chamfering is 15 °.
Further, in order to which the utility model is better achieved, card is provided in the circumferential side wall of the break pin cylinder
Spring slot, the jump-ring slot are arranged in the lower section for cutting off slot and are located at close to the position of the chamfering.
Further, in order to the utility model, the surface of the break pin cylinder, the slot for cutting off slot is better achieved
Wall, the cell wall of the jump-ring slot, the chamfering surface and the inner hole hole wall on be equipped with stainless steel layer.
Further, in order to the utility model, the surface of the break pin cylinder, the slot for cutting off slot is better achieved
Wall, the cell wall of the jump-ring slot, the chamfering surface and the inner hole hole wall on be equipped with oxidation film layer.
The utility model has the advantages that compared to the prior art
(1) the utility model by being coaxially disposed annulus positioning plate and break pin cylinder from top to bottom, in break pin cylinder
Middle part setting cut off slot, thus formed a complete break pin, and by the upper surface of circular orientation plate be arranged spiral shell
Screw rod can be screwed on the threaded hole, then be made using the pretightning force between screw rod and the threaded hole by pit, user
It is an entirety that screw rod is affixed with break pin, and then user can be by screw rod of choosing, to break pin be extracted, in use
Design is stated, break pin provided by the utility model can be simple and convenient and be quickly pulled out, has compared to the prior art
There is stronger practicability；
(2) preferably, it is also set up on the outer circumference surface of the annulus positioning plate of break pin provided by the utility model
There is external screw thread, the bar for being provided with corresponding threaded hole or knob can be screwed on the external screw thread by user, then
It chooses bar or knob, can easily extract break pin, practicability is stronger；
(3) preferably, it is also set up on the inner ring surface of the annulus positioning plate of break pin provided by the utility model
Have internal screw thread, the screw rod being adapted to therewith can be spirally connected and the screw rod of on the internal screw thread, then choosing by user, can facilitate by
Break pin is extracted, and practicability is stronger；
(4) preferably, it is additionally provided with the first internal screw thread on the inner hole hole wall of break pin provided by the utility model,
First internal screw thread is positioned close to the position of break pin cylinder lower end surface, and user can use under first internal screw thread installation
Baffle carries out lower limit and upper limit, avoids after installing for cooperating with above-mentioned annulus positioning plate after installing to break pin
Break pin occur on leap up lower jump the case where.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is in the use of the new type convenient for the structural schematic diagram for the break pin extracted；
Fig. 2 is shown in FIG. 1 convenient for the cross-sectional schematic for the break pin extracted；
Fig. 3 is shown in FIG. 1 convenient for another visual angle figure for the break pin extracted；
Fig. 4 is shown in FIG. 1 convenient for the main view for the break pin extracted.
1- annulus positioning plate in figure；11- threaded hole；12- external screw thread；13- internal screw thread；2- break pin cylinder；21- is cut off
Slot；22- inner hole；The first internal screw thread of 221-；The second internal screw thread of 222-；23- chamfering；24- jump-ring slot.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1:
In the present embodiment, a kind of break pin convenient for extraction including the annulus positioning plate 1 set gradually from top to bottom and is cut
Disconnected pin body 2, is provided at the middle part of above-mentioned break pin cylinder 2 and cuts off slot 21, commonly cuts so that the utility model has
The function of disconnected pin, above-mentioned annulus positioning plate 1 can carry out upper limit to break pin main body 1.Unlike the prior art, upper
State and be provided with threaded hole 11 on the upper surface of annulus positioning plate 1, preferably, limit the quantity of the threaded hole 11 as four or
Eight, four or eight threaded holes 11 are distributed by center circumference array of the axial line of above-mentioned annulus positioning plate 1.
Using this kind of structure, screw rod corresponding with the threaded hole 11 can be screwed onto the threaded hole 11 by user,
Using the pretightning force between screw rod and threaded hole 11, driving screw rod affixed with break pin is an entirety, is then firmly chosen again
The screw rod, in order to which user applies axial force on break pin, so that the utility model is compared to the prior art
Have the advantages that easily facilitate extraction
Embodiment 2:
The present embodiment is further improved on the basis of embodiment 1, in the present embodiment, in above-mentioned annulus positioning plate 1
Be provided with external screw thread 12 on outer circumference surface, user can by be provided with threaded hole compatible with the external screw thread 12 connecting rod or
Person's part of choosing is bolted on the external screw thread 12, using the pretightning force between threaded hole and the external screw thread 12, so that connecting rod or pulling out
It is an entirety that pickup is affixed with annulus positioning plate 1 and break pin, then applies work of choosing on connecting rod or part of choosing again
Firmly, break pin can be extracted, so that the utility model has the advantages that easily facilitate extraction.
Embodiment 3:
The present embodiment is further improved on the basis of embodiment 2, in the present embodiment, in above-mentioned annulus positioning plate 1
Inner ring surface is provided with internal screw thread 13, and user can use screw rod compatible with the internal screw thread 13 and be bolted in the internal screw thread 13
On, then apply active force of choosing on the screw rod again, can facilitate and extract break pin, with this utility model be had
The advantages of easily facilitating extraction.
Embodiment 4:
The present embodiment is further improved on the basis of the above embodiments, in the present embodiment, is limited the utility model and is mentioned
It is provided with the inner hole 22 through its upper and lower ends on the break pin cylinder 2 of confession, is provided with spiral shell in first on 22 hole wall of inner hole
Line 221, limits the position that first internal screw thread 221 is positioned close to the lower end surface of break pin cylinder 2, and user can use
First internal screw thread 221 is spirally connected lower baffle plate, for cooperating with above-mentioned annulus positioning plate 1, carries out lower limit to mounted break pin
Position and upper limit, to avoid the break pin after installing occur on leap up lower jump the case where.
Embodiment 5:
The present embodiment is further improved on the basis of the above embodiments, in the present embodiment, in above-mentioned 22 hole wall of inner hole
On be additionally provided with the second internal screw thread 222, limit the position that second internal screw thread 222 is positioned close to 2 upper surface of break pin cylinder.
Screw rod compatible with second internal screw thread 222 can be screwed on second internal screw thread 222 by user, then again in screw rod
It is upper to apply active force of choosing, it can facilitate and extract break pin, so that the utility model, which has, easily facilitates extraction
Advantage.
Embodiment 6:
The present embodiment is further improved on the basis of the above embodiments, in the present embodiment, in above-mentioned break pin cylinder 2
Lower end surface edge be provided with chamfering 23, limit the angle of the chamfering 23 as 15 °, using the structure, user can be more
Easily the utility model is inserted into scheduled pin hole.
Further, in the present embodiment, close to the position of above-mentioned chamfering 23 in the circumferential side wall of above-mentioned break pin cylinder 2
It installs and is equipped with jump-ring slot 24, and limit the jump-ring slot 24 and the above-mentioned lower section for cutting off slot 21 is set, user can be in the card
Installation circlip avoids it from pacifying to position with above-mentioned lower baffle plate and annulus positioning plate 1 to break pin in spring slot 24
Holding position occur on leap up lower jump the case where
Embodiment 7:
The present embodiment is further improved on the basis of the above embodiments, in the present embodiment, in above-mentioned break pin cylinder 2
Surface, the cell wall, the cell wall of jump-ring slot 24,23 surface of chamfering and the inner hole 22 that cut off slot 21 hole wall on be equipped with oxidation
Film layer or stainless steel layer, and its surface is formed into bright and clean carrot-free surface by polishing treatment, to make this practical
Novel easily facilitate is chosen.
Embodiment 8:
Another embodiment of the present embodiment as the utility model can be fixed in above-mentioned annulus in the present embodiment
External screw thread 12 is set on the outer circumference surface of position plate 1, and end face is not provided with threaded hole 11 on it；It can also be only in annulus positioning plate
Internal screw thread 13 is arranged in 1 inner ring surface, and end face is not provided with threaded hole 11 and is not provided on its outer circumference surface outer on it
Screw thread 12；Threaded hole 11 can also be set for end face on it, and internal screw thread 13 is set in its inner ring surface.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of break pin convenient for extraction, described including the annulus positioning plate and break pin cylinder being coaxially disposed from top to bottom
It is provided in the middle part of break pin cylinder and cuts off slot, it is characterised in that: be provided with threaded hole on the upper surface of the annulus positioning plate.
2. a kind of break pin convenient for extraction according to claim 1, it is characterised in that: the outer circle of the annulus positioning plate
External screw thread is provided on circumferential surface.
3. a kind of break pin convenient for extraction according to claim 2, it is characterised in that: the inner ring of the annulus positioning plate
Surface is provided with internal screw thread.
4. a kind of break pin convenient for extraction according to any one of claim 1-3, it is characterised in that: the break pin
The inner hole through lower upper both ends is offered on cylinder, and the first internal screw thread, first internal screw thread are provided on the inner hole hole wall
It is positioned close to the position of break pin cylinder lower end surface.
5. a kind of break pin convenient for extraction according to claim 4, it is characterised in that: also set up on the inner hole hole wall
There is the second internal screw thread, second internal screw thread is positioned close to the position of break pin cylinder upper surface.
6. a kind of break pin convenient for extraction according to claim 5, it is characterised in that: the lower end of the break pin cylinder
Face edge is provided with chamfering.
7. a kind of break pin convenient for extraction according to claim 6, it is characterised in that: the angle of the chamfering is 15 °.
8. a kind of break pin convenient for extraction according to claim 7, it is characterised in that: the circumferential direction of the break pin cylinder
Jump-ring slot is provided on side wall, the jump-ring slot is arranged in the lower section for cutting off slot and is located at close to the position of the chamfering.
9. a kind of break pin convenient for extraction according to claim 8, it is characterised in that: the table of the break pin cylinder
Face, the cell wall for cutting off slot, the cell wall of the jump-ring slot, the chamfering surface and the inner hole hole wall on be equipped with not
Rust steel layer.
10. a kind of break pin convenient for extraction according to claim 8, it is characterised in that: the table of the break pin cylinder
Face, the cell wall for cutting off slot, the cell wall of the jump-ring slot, the chamfering surface and the inner hole hole wall on be all provided with it is aerobic
Change film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516698.6U CN208565190U (en) | 2018-04-11 | 2018-04-11 | A kind of break pin convenient for extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516698.6U CN208565190U (en) | 2018-04-11 | 2018-04-11 | A kind of break pin convenient for extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565190U true CN208565190U (en) | 2019-03-01 |
Family
ID=65480343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820516698.6U Active CN208565190U (en) | 2018-04-11 | 2018-04-11 | A kind of break pin convenient for extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131271A (en) * | 2019-07-02 | 2019-08-16 | 重庆宝润矿山机械制造有限公司 | Pin shaft for underground hydraulic support of mining |
| CN110725845A (en) * | 2019-11-19 | 2020-01-24 | 河南中烟工业有限责任公司 | Just, get insurance round pin and insurance round pin mechanism |
-
2018
- 2018-04-11 CN CN201820516698.6U patent/CN208565190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131271A (en) * | 2019-07-02 | 2019-08-16 | 重庆宝润矿山机械制造有限公司 | Pin shaft for underground hydraulic support of mining |
| CN110725845A (en) * | 2019-11-19 | 2020-01-24 | 河南中烟工业有限责任公司 | Just, get insurance round pin and insurance round pin mechanism |
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