CN106015240B - The pin component that breaks that can be shunk automatically after pin fracture - Google Patents
The pin component that breaks that can be shunk automatically after pin fracture Download PDFInfo
- Publication number
- CN106015240B CN106015240B CN201610618911.XA CN201610618911A CN106015240B CN 106015240 B CN106015240 B CN 106015240B CN 201610618911 A CN201610618911 A CN 201610618911A CN 106015240 B CN106015240 B CN 106015240B
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- CN
- China
- Prior art keywords
- pin
- connector
- breaks
- break
- butterfly spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000255777 Lepidoptera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000013152 interventional procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The pin component that breaks that can be shunk automatically after being broken the invention discloses a kind of pin, including the first connector, second connector, can be broken pin and two butterfly springs, two butterfly springs are set in the both sides that can break on pin and be located at the default fracture belt for the pin that can break respectively, the both ends of first butterfly spring have the trend that the pin that can break is pushed to the first end away from the first connector with the stress of the first end in contact of the first connector and the pin that can break and the butterfly spring respectively, the both ends of second butterfly spring have the trend that the pin that can break is pushed to the first end away from the second connector with the stress of the second end in contact of the second connector and the pin that can break and the butterfly spring respectively.The present invention makes to break by the stress of butterfly spring, and respectively to the internal contraction of the first connector and the second connector, the plane of disruption is contracted on the inside of connector end face two parts after pin fracture, reaches the purpose for avoiding damaging content.
Description
Technical field
It can break pin component the present invention relates to one kind, more particularly to the pin that breaks that can be shunk automatically after a kind of fracture of pin
Component.
Background technology
The overload that the pin that can break is usually used in the machinery of damage type overload protection, electronics, large-scale or exquisite system equipment etc. is protected
In protection unit, the purpose of protection important spare part safety is reached by the disrumpent feelings effect of its machinery.Safety, which is freed technology and often used for reference, to be made
With the pin that breaks in mechanical overload protection device, but after pin forced breakage, fracture is than sharp, in arming mechanism and quilt
Free content to occur in the interventional procedures such as friction, collision, easily cause content and be scratched or even be damaged, can cause when serious
Whole device or failure mechanisms.
The content of the invention
The purpose of the present invention be that to solve the above problems and provide can shrink automatically after a kind of pin fracture can
Disconnected pin component.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The pin component that breaks that can be shunk automatically after a kind of fracture of pin, including the first connector, the second connector and can
Disconnected pin, the both ends of the pin that breaks respectively with the first end of first connector and the first end of second connector
Connection；The pin component that breaks also includes two butterfly springs, and two butterfly springs, which are set in, described can break on pin
And respectively positioned at the both sides of the default fracture belt of the pin that can break, the both ends of first butterfly spring are respectively with described the
The stress of first end in contact of a connection piece and the pin that breaks and the butterfly spring has pushes the pin that breaks far to
From the trend of the first end of first connector, the both ends of second butterfly spring respectively with second connector and
Second end in contact of the pin that breaks and the stress of the butterfly spring have pushes the pin that breaks away from described second to
The trend of the first end of connector.
In said structure, the attachment structure between the first connector, the second connector and the pin that can break, generally first connects
The first end of fitting and the first end of the second connector are set with the both ends for the pin that can break, and are preset with the middle part of the pin that can break
Fracture belt, fracture belt is typically by the way of reduce thickness sets scrobicular ring at middle part；Butterfly spring is the important knot of the present invention
Structure is innovated, and is had respectively to trend mobile on the outside of both ends using the stress of butterfly spring make the to break both ends of pin, can broken
After the fracture belt fracture of pin, the pin that can break forms two parts and promoted respectively by butterfly spring to the away from the first connector
The direction movement of the first end of one end and the second connector, you can two parts of disconnected pin inside contract respectively into the first connector and
In second connector, the damage to content is avoided.
Preferably, the position on the inwall of first connector close to its first end is provided with the first scrobicular ring, described the
Position on the inwall of two connectors close to its first end is provided with the second scrobicular ring, and the stage casing periphery of the pin that breaks is provided with stage casing
Scrobicular ring, the bottom of first butterfly spring are placed in the first end of interior and close first connector of first scrobicular ring,
The top of first butterfly spring is placed in the stage casing scrobicular ring and the first end away from first connector, second
The bottom of the butterfly spring is placed in second scrobicular ring and close to the first end of second connector, second butterfly
The top of shape spring is placed in the stage casing scrobicular ring and the first end away from second connector.This structure be easy to processing and
Installation, retraction speed is fast automatically after the pin that can break fracture, effect is good.
Inside contracted in order that guiding is more smoothly completed after the pin fracture that can break, the pin component that breaks also includes two
Guide pin, the guide pin include the external thread section in big footpath and the cylindrical section of path being connected with each other, first guide pin
It is connected by the external thread section of itself with the inner thread of first connector, second guide pin passes through the outer of itself
Thread segment is connected with the inner thread of second connector, the cylindrical section and second guiding of first guide pin
It is close to each other and leave space between the cylindrical section of nail, it is described break pin by itself central through hole and meanwhile be set in first
On the cylindrical section of the individual guide pin with the cylindrical section of second guide pin.
In order to reduce the moving resistance for the pin that can break, the inwall of the outer wall of the pin that breaks and first connector it
Between, between the inwall of the outer wall of the pin that breaks and second connector, the inwall of the pin that breaks and first institute
State between the outer wall of the cylindrical section of guide pin, the outer wall of the cylindrical section of the inwall of the pin that breaks and second guide pin
Between be equipped with lubricating oil.
For the ease of installation, the pin component that breaks also includes the retaining nail for installing, and the retaining nail includes phase
Connect for the external thread section in big footpath that is connected with the inwall of the first connector or the second connector and described for blocking
Can break pin path cylindrical section.
The beneficial effects of the present invention are：
The present invention makes to break after pin fracture two parts respectively to the first connector and second by the stress of butterfly spring
The internal contraction of connector, the plane of disruption are contracted on the inside of connector end face, after arming mechanism is freed, reach the content freed
The fracture of pin of avoiding being broken scratches or the purpose of the security protection of damage；Can entirely break pin component quick action, effect
Fruit is good and simple in construction, convenient to carry out.
Brief description of the drawings
When Fig. 1 is that the pin component that breaks that can be shunk automatically after pin of the present invention is broken is applied to safe arming mechanism
Cross section structure diagram；
Fig. 2 is the cross section structure diagram for the pin component that breaks that can be shunk automatically after pin of the present invention is broken；
Fig. 3 is the cross section structure diagram of butterfly spring of the present invention, and the angle in figure differs 90 ° with Fig. 2；
Cross section structure diagram when Fig. 4 is retaining nail application of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2 and Figure 3, the pin component that breaks that can be shunk automatically after pin fracture of the present invention, application
In the situation by safe arming mechanism A pack content B, the connector 5 of the first connector 1 and second therein is both safe solution
Release mechanism A bare bones, and the part of the pin component of the present invention that breaks, the pin component of the present invention that breaks include the
A connection piece 1, the second connector 5, can break 3, two butterfly springs 4 of pin and two guide pins 2, the both ends point for the pin 3 that can break
It is not set in the first end of the first connector 1 and in the first end of the second connector 5, it is close on the inwall of the first connector 1
The position of its first end is provided with the first scrobicular ring (unmarked in figure), close to the position of its first end on the inwall of the second connector 5
Provided with the second scrobicular ring (in figure unmarked), the stage casing periphery for the pin 3 that can break is provided with stage casing scrobicular ring (unmarked in figure), two butterflies
Spring 4, which is set in, can break on pin 3 and respectively positioned at the both sides of the default fracture belt for the pin 3 that can break, first butterfly spring 4
Bottom (i.e. big footpath openend) is placed in first scrobicular ring and close to the first end of the first connector 1, first butterfly spring 4
Top (i.e. path openend) be placed in the stage casing scrobicular ring and the first end away from the first connector 1, second butterfly bullet
The bottom (i.e. big footpath openend) of spring 4 is placed in second scrobicular ring and close to the first end of the second connector 5, second butterfly
The top (i.e. path openend) of spring 4 is placed in the stage casing scrobicular ring and the first end away from the second connector 5, first butterfly
The stress of shape spring 4 has the trend that the pin 3 that can break is pushed to the first end away from the first connector 1, second butterfly spring 4
Stress have by the pin 3 that can break push to away from the second connector 5 first end trend；Guide pin 2 includes what is be connected with each other
The big external thread section in footpath and the cylindrical section of path, in the external thread section and the first connector 1 that first guide pin 2 passes through itself
Wall is threadedly coupled, and second guide pin 2 is connected by the external thread section of itself with the inner thread of the second connector 5, first
It is close to each other and leave space between the cylindrical section of the cylindrical section of guide pin 2 and second guide pin 2, the pin 3 that can break pass through from
The central through hole of body be set in simultaneously on the cylindrical section of first guide pin 2 with the cylindrical section of second guide pin 2；Can be broken pin
Between the outer wall of nail 3 and the inwall of the first connector 1, between the inwall of the outer wall for the pin 3 that can break and the second connector 5, can break
Between the outer wall of the cylindrical section of the inwall of pin 3 and first guide pin 2, the inwall for the pin 3 that can break and second guide pin 2
Lubricating oil is equipped between the outer wall of cylindrical section.
As shown in figure 4, for the ease of installation, the pin component that breaks also includes the retaining nail 6 for installing, retaining nail
6 include being connected with each other for the external thread section in big footpath that is connected with the inwall of the first connector or the second connector and for keeping off
State the cylindrical section of the path for the pin that can break in residence.
As Figure 1-Figure 4, during assembling, first by the top of the two disk springs 4 stage casing scrobicular ring with the pin 3 that can break respectively
It is fixedly connected at two steps at both ends；Be able to will break the first end (right side i.e. in Fig. 2 and Fig. 4 of the pin 3 from the first connector 1 again
End) inner chamber of the first connector 1 is pushed into, as shown in Figure 4；First (i.e. butterfly bullet on the left side of disk spring 4 in push-on process
Spring 4) contraction distortion under the opening constraint of the first end of the first connector 1, until reaching the first scrobicular ring of the first connector 1
Place, the shape of disk spring 4 are recovered and snapped into the first scrobicular ring of the first connector 1；By the external thread section of retaining nail 6 from first
The second end (left end i.e. in Fig. 2 and Fig. 4) of connector 1 is threaded into precalculated position, using its cylindrical section prevent from breaking pin 3 to
Move in left side；The second connector 5 is inserted in from the right side for the pin 3 that can break again, until second (i.e. butterfly on the right of disk spring 4
Shape spring 4) it is caught in the second scrobicular ring of the second connector 5；Second guide pin 2 (i.e. the guide pin 2 on the right) is connected from second
The right side of fitting 5 is screwed into, dismounting retaining nail 6, finally by first guide pin 2 (i.e. the guide pin 2 on the left side) from the first connector 1
Left side be screwed into, complete installation.
As shown in Figure 1-Figure 3, after can break that the stress of pin 3 is excessive to be fractured into two parts, two parts are respectively in disk spring 4
Stress under along the cylindrical section of guide pin 2, both sides are shunk to the left and right respectively in the first connector 1 and the second connector 5,
So that the plane of disruption is collapsible into the inside of the first connector 1 and the second connector 5, the first connector 1 and the second connection are not protruded from
The end face of part 5, avoid that content B is caused to damage.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized on the basis of above-described embodiment without creative work, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (5)
1. the pin component that breaks that can be shunk automatically after a kind of fracture of pin, including the first connector, the second connector and can break
Pin, the both ends of the pin that breaks connect with the first end of first connector and the first end of second connector respectively
Connect；It is characterized in that：The pin component that breaks also includes two butterfly springs, two butterfly springs be set in it is described can
On disconnected pin and respectively positioned at the both sides of the default fracture belt of the pin that can break, the both ends difference of first butterfly spring
There is the pin that can break by described in the stress of the first end in contact of first connector and the pin that breaks and the butterfly spring
Nail pushes the trend of the first end away from first connector to, and the both ends of second butterfly spring are respectively with described second
The stress of second end in contact of connector and the pin that breaks and the butterfly spring is remote with the pin that breaks is pushed to
The trend of the first end of second connector.
2. the pin component that breaks that can be shunk automatically after pin fracture according to claim 1, it is characterised in that：Described
Position on the inwall of a connection piece close to its first end is provided with the first scrobicular ring, on the inwall of second connector it is close its
The position of one end is provided with the second scrobicular ring, and the stage casing periphery of the pin that breaks is provided with stage casing scrobicular ring, first butterfly spring
Bottom be placed in first scrobicular ring and close to the first end of first connector, the top of first butterfly spring
The first end of interior and remote first connector of the stage casing scrobicular ring is placed in, the bottom of second butterfly spring is placed in institute
State in the second scrobicular ring and close to the first end of second connector, the top of second butterfly spring is placed in the stage casing
The first end of interior and remote second connector of scrobicular ring.
3. the pin component that breaks that can be shunk automatically after pin fracture according to claim 1 or 2, it is characterised in that：Institute
Stating the pin component that can break also includes two guide pins, and the guide pin includes the external thread section and path in the big footpath that is connected with each other
Cylindrical section, first guide pin are connected by the external thread section of itself with the inner thread of first connector, and second
The individual guide pin is connected by the external thread section of itself with the inner thread of second connector, first guide pin
Cylindrical section and second guide pin cylindrical section between it is close to each other and leave space, the pin that breaks passes through itself
Central through hole simultaneously be set on the cylindrical section of first guide pin with the cylindrical section of second guide pin.
4. the pin component that breaks that can be shunk automatically after pin fracture according to claim 3, it is characterised in that：It is described can
Between the outer wall of disconnected pin and the inwall of first connector, the outer wall of the pin that breaks it is interior with second connector
Between wall, between the outer wall of the cylindrical section of the inwall of the pin that breaks and first guide pin, the pin that breaks
Lubricating oil is equipped between the outer wall of the cylindrical section of inwall and second guide pin.
5. the pin component that breaks that can be shunk automatically after pin fracture according to claim 1 or 2, it is characterised in that：Institute
Stating the pin component that can break also includes retaining nail for installing, retaining nail include being connected with each other for and the first connector
Or second connector inwall connection the external thread section in big footpath and the cylindrical section of the path for blocking the pin that can break.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618911.XA CN106015240B (en) | 2016-07-29 | 2016-07-29 | The pin component that breaks that can be shunk automatically after pin fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618911.XA CN106015240B (en) | 2016-07-29 | 2016-07-29 | The pin component that breaks that can be shunk automatically after pin fracture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015240A CN106015240A (en) | 2016-10-12 |
| CN106015240B true CN106015240B (en) | 2017-11-10 |
Family
ID=57133524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618911.XA Active CN106015240B (en) | 2016-07-29 | 2016-07-29 | The pin component that breaks that can be shunk automatically after pin fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015240B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69408639T2 (en) * | 1993-10-29 | 1998-07-16 | Avdel Textron Ltd | Fastening device with double function and application method |
| CN201129340Y (en) * | 2007-12-26 | 2008-10-08 | 广西玉柴机器股份有限公司 | Mechanical operating safety drive pin |
| CN201493811U (en) * | 2009-07-16 | 2010-06-02 | 浙江吉利汽车有限公司 | Quick pin remover |
| CN204074133U (en) * | 2014-04-04 | 2015-01-07 | 浙江双金机械集团股份有限公司 | Circular cone sand making machine pressurize cylinder pivot pin |
| CN205225139U (en) * | 2015-12-01 | 2016-05-11 | 中国石油天然气股份有限公司 | Fishing device and circulation well washing device thereof |
| CN205841423U (en) * | 2016-07-29 | 2016-12-28 | 中国工程物理研究院总体工程研究所 | The broken pin assembly that can automatically shrink after pin fracture |
-
2016
- 2016-07-29 CN CN201610618911.XA patent/CN106015240B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69408639T2 (en) * | 1993-10-29 | 1998-07-16 | Avdel Textron Ltd | Fastening device with double function and application method |
| CN201129340Y (en) * | 2007-12-26 | 2008-10-08 | 广西玉柴机器股份有限公司 | Mechanical operating safety drive pin |
| CN201493811U (en) * | 2009-07-16 | 2010-06-02 | 浙江吉利汽车有限公司 | Quick pin remover |
| CN204074133U (en) * | 2014-04-04 | 2015-01-07 | 浙江双金机械集团股份有限公司 | Circular cone sand making machine pressurize cylinder pivot pin |
| CN205225139U (en) * | 2015-12-01 | 2016-05-11 | 中国石油天然气股份有限公司 | Fishing device and circulation well washing device thereof |
| CN205841423U (en) * | 2016-07-29 | 2016-12-28 | 中国工程物理研究院总体工程研究所 | The broken pin assembly that can automatically shrink after pin fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015240A (en) | 2016-10-12 |
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