CN205841423U - The broken pin assembly that can automatically shrink after pin fracture - Google Patents
The broken pin assembly that can automatically shrink after pin fracture Download PDFInfo
- Publication number
- CN205841423U CN205841423U CN201620818876.1U CN201620818876U CN205841423U CN 205841423 U CN205841423 U CN 205841423U CN 201620818876 U CN201620818876 U CN 201620818876U CN 205841423 U CN205841423 U CN 205841423U
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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.)
- Withdrawn - After Issue
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The broken pin assembly that can automatically shrink after the utility model discloses the fracture of a kind of pin, including the first connector, second connector, can be broken pin and two butterfly springs, two butterfly springs are set on the pin that can break and lay respectively at the both sides of the default fracture belt of the pin that can break, the two ends of first butterfly spring stress with the first connector and the first end in contact of the pin that can break and this butterfly spring respectively has the trend that the pin that can break is pushed to the first end away from the first connector, the two ends of second butterfly spring stress with the second connector and the second end in contact of the pin that can break and this butterfly spring respectively has the trend that the pin that can break is pushed to the first end away from the second connector.This utility model by the stress of butterfly spring make to break pin rupture after two parts respectively to the first connector and the internal contraction of the second connector, the plane of disruption is contracted to inside connector end face, reaches the purpose avoiding damaging content.
Description
Technical field
This utility model relates to one and can break pin assembly, and that can automatically shrink after particularly relating to the fracture of a kind of pin breaks
Pin assembly.
Background technology
The pin that can break is usually used in the overload of the machinery of damage type overload protection, electronics, large-scale or exquisite system equipment etc. to be protected
In protection unit, reach to protect the purpose of important spare part safety by its mechanical disrumpent feelings effect.Technology of freeing safely is often used for reference and is made
With the broken pin in mechanical overload protection device, but after pin forced breakage, fracture ratio is sharp, at arming mechanism and quilt
Free content rub, in the interventional procedures such as collision, easily causing content is scratched the most damaged, can cause time serious
Whole device or failure mechanisms.
Utility model content
The purpose of this utility model is that can shrink provide a kind of pin fracture to solve the problems referred to above after automatically
Broken pin assembly.
This utility model is achieved through the following technical solutions above-mentioned purpose:
The broken pin assembly that can automatically shrink after the fracture of a kind of pin, including the first connector, the second connector and can
Disconnected pin, the two ends of the described pin that breaks respectively with the first end of described first connector and the first end of described second connector
Connect；The described pin assembly that breaks also includes that two butterfly springs, two described butterfly springs are set in described can breaking on pin
And laying respectively at the both sides of the default fracture belt of the described pin that can break, the two ends of first described butterfly spring are respectively with described the
The stress of a connection piece and the first end in contact of the described pin that breaks and this butterfly spring has to be pushed to the described pin that breaks far
From the trend of the first end of described first connector, the two ends of second described butterfly spring respectively with described second connector and
Second end in contact of the described pin that breaks and the stress of this butterfly spring have to be pushed to the described pin that breaks away from described second
The trend of the first end of connector.
In said structure, the first connector, the second connector and the attachment structure can broken between pin, generally first even
First end of fitting and the first end of the second connector are set with in the two ends of the pin that can break, and the middle part of the pin that can break is preset with
Fracture belt, fracture belt typically uses reduction thickness i.e. to arrange the mode of scrobicular ring at middle part；Butterfly spring is of the present utility model heavy
Want structure innovation, utilize the stress of butterfly spring make the to break two ends of pin to be respectively provided with the trend of side shifting outside two ends,
Can break after the fracture belt fracture of pin, the pin that can break forms two parts and is promoted to away from the first connector by butterfly spring respectively
The first end and the direction of the first end of the second connector move, the two parts of the pin that can break inside contract entrance the first connection respectively
In part and the second connector, it is to avoid the damage to content.
As preferably, on the inwall of described first connector, position near its first end is provided with the first scrobicular ring, and described the
On the inwall of two connectors, the position near its first end is provided with the second scrobicular ring, and the periphery, stage casing of the described pin that breaks is provided with stage casing
Scrobicular ring, the bottom of first described butterfly spring is placed in the first end of interior and close described first connector of described first scrobicular ring,
The top of first described butterfly spring is placed in the scrobicular ring of described stage casing and away from the first end of described first connector, second
The bottom of described butterfly spring is placed in the first end of interior and close described second connector of described second scrobicular ring, second described butterfly
The top of shape spring is placed in the scrobicular ring of described stage casing and away from the first end of described second connector.This structure be easy to processing and
Installing, after the pin that can break fracture, retraction speed is fast, effective automatically.
Completing guiding in order to make to break more smoothly after pin ruptures to inside contract, the described pin assembly that breaks also includes two
Guide pin, described guide pin includes external thread section and the cylindrical section of path in interconnective big footpath, first described guide pin
Being connected by the inner thread of the external thread section of self with described first connector, second described guide pin is by outside self
Thread segment is connected with the inner thread of described second connector, the cylindrical section of first described guide pin and second described guiding
Between the cylindrical section of nail close to each other and leave space, the described pin that breaks is set in first by the central through hole of self simultaneously
On the cylindrical section of individual described guide pin with on the cylindrical section of second described guide pin.
In order to reduce the moving resistance of the pin that can break, the inwall of the outer wall of the described pin that breaks and described first connector it
Between, between the outer wall of the described pin that breaks and the inwall of described second connector, the inwall of the described pin that breaks and first institute
Between the outer wall of the cylindrical section stating guide pin, the outer wall of the cylindrical section of the inwall of the described pin that breaks and second described guide pin
Between be equipped with lubricating oil.
For the ease of installing, the described pin assembly that breaks also includes the retaining nail for installing, and described retaining nail includes phase
Connect for the external thread section in big footpath being connected with the inwall of the first connector or the second connector and described for blocking
Can be broken the cylindrical section of path of pin.
The beneficial effects of the utility model are:
This utility model by the stress of butterfly spring make to break pin rupture after two parts respectively to the first connector and
The internal contraction of the second connector, the plane of disruption is contracted to inside connector end face, after arming mechanism is freed, in reaching to be freed
The purpose of the tolerant security protection avoiding being scratched by the fracture of the pin that can break or damaging；Whole pin assembly speed of action of breaking
Hurry up, effective and simple in construction, convenient to carry out.
Accompanying drawing explanation
Fig. 1 is that the broken pin assembly that can automatically shrink after pin described in the utility model ruptures is applied to solve off line safely
Sectional structure schematic diagram during structure；
Fig. 2 is the sectional structure signal of the broken pin assembly that can automatically shrink after pin described in the utility model ruptures
Figure；
Fig. 3 is the sectional structure schematic diagram of butterfly spring described in the utility model, and the angle in figure differs 90 ° with Fig. 2；
Fig. 4 is sectional structure schematic diagram during retaining described in the utility model nail application.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2 and Figure 3, the broken pin assembly that can automatically shrink after pin described in the utility model fracture,
Being applied to the situation by safe arming mechanism A pack content B, the first connector 1 therein and the second connector 5 are peace
The bare bones of comprehensive solution mechanism A, is also the parts of the pin assembly that breaks described in the utility model, the pin that breaks described in the utility model
Screw assembly includes first connector the 1, second connector 5, can break 3, two butterfly springs 4 of pin and two guide pins 2, and can break pin
The two ends of nail 3 are set with in the first end of the first connector 1 and in the first end of the second connector 5, the first connector 1
Be provided with the first scrobicular ring (unmarked in figure) near the position of its first end on inwall, on the inwall of the second connector 5 near its
The position of one end is provided with the second scrobicular ring (unmarked in figure), and the periphery, stage casing of the pin 3 that can break is provided with stage casing scrobicular ring and (does not marks in figure
Note), two butterfly springs 4 are set on the pin 3 that can break and lay respectively at the both sides of the default fracture belt of the pin 3 that can break, and first
The bottom (the biggest footpath opening) of individual butterfly spring 4 is placed in the first end of interior and close first connector 1 of described first scrobicular ring, the
The top (i.e. path opening) of one butterfly spring 4 is placed in the scrobicular ring of described stage casing and away from the first end of the first connector 1,
In the bottom (the biggest footpath opening) of second butterfly spring 4 is placed in described second scrobicular ring and near the first of the second connector 5
End, the top (i.e. path opening) of second butterfly spring 4 is placed in the scrobicular ring of described stage casing and away from the of the second connector 5
One end, the stress of first butterfly spring 4 has the trend that the pin 3 that can break is pushed to the first end away from the first connector 1, the
The stress of two butterfly springs 4 has the trend that the pin 3 that can break is pushed to the first end away from the second connector 5；Guide pin 2 wraps
Include external thread section and the cylindrical section of path in interconnective big footpath, first guide pin 2 external thread section and the by self
The inner thread of a connection piece 1 connects, and second guide pin 2 passes through external thread section and the inwall spiral shell of the second connector 5 of self
Stricture of vagina connects, close to each other and leave space between the cylindrical section of the cylindrical section of first guide pin 2 and second guide pin 2, can
The central through hole that disconnected pin 3 passes through self is set in the circle on the cylindrical section of first guide pin 2 with second guide pin 2 simultaneously
On shell of column；Can break between outer wall and the inwall of the first connector 1 of pin 3, the outer wall of the pin 3 that can break and the second connector 5
Between inwall, between the outer wall of the cylindrical section of the inwall of the pin 3 that can break and first guide pin 2, the inwall of the pin 3 that can break and
It is equipped with lubricating oil between the outer wall of the cylindrical section of two guide pins 2.
As shown in Figure 4, for the ease of installing, the described pin assembly that breaks also includes the retaining nail 6 for installing, and retaining is followed closely
6 external thread sections including the interconnective big footpath for being connected with the inwall of the first connector or the second connector and for keeping off
The cylindrical section of the path of the pin that can break is stated in residence.
As Figure 1-Figure 4, during assembling, first by the top of two disk springs 4 respectively with the stage casing scrobicular ring of the pin 3 that can break
Fixing connection at two steps at two ends；Again by the pin 3 first end (the i.e. right side Fig. 2 and Fig. 4 from the first connector 1 of can breaking
End) push the inner chamber of the first connector 1, as shown in Figure 4；First disk spring 4 (i.e. butterfly bullet on the left side in push-on process
Spring 4) contraction distortion under the opening part constraint of the first end of the first connector 1, until it reaches the first scrobicular ring of the first connector 1
Place, the shape of disk spring 4 is recovered and snaps in the first scrobicular ring of the first connector 1；By the external thread section of retaining nail 6 from first
Second end (i.e. left end in Fig. 2 and Fig. 4) of connector 1 is threaded into precalculated position, utilize its cylindrical section prevent from breaking pin 3 to
Left side motion；Again the second connector 5 is inserted in from the right side of the pin 3 that can break, until second disk spring 4 (i.e. butterfly on the right
Shape spring 4) snap in the second scrobicular ring of the second connector 5；By second guide pin 2 (i.e. the guide pin 2 on the right) from second even
The right side of fitting 5 is screwed into, and 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 install.
As shown in Figure 1-Figure 3, when breaking, pin 3 stress is excessive be fractured into two parts after, two parts are respectively at disk spring 4
Stress effect under along the cylindrical section of guide pin 2 in the first connector 1 and the second connector 5 the most to the left and right both sides shrink,
Make the plane of disruption be collapsible into the first connector 1 and inside of the second connector 5, do not protrude from the first connector 1 and second and connect
The end face of part 5, it is to avoid content B is caused damage.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, is regarded as falling into
In the range of the rights protection of this utility model patent.
Claims (5)
1. the broken pin assembly that can automatically shrink after pin fracture, including the first connector, the second connector with can break
Pin, the two ends of the described pin that breaks are respectively with the first end of the first end of described first connector and described second connector even
Connect；It is characterized in that: the described pin assembly that breaks also includes that two butterfly springs, two described butterfly springs can described in being set in
On disconnected pin and lay respectively at the both sides of default fracture belt of the described pin that can break, the two ends of first described butterfly spring are respectively
Have the described pin that breaks with the stress of described first connector and the first end in contact of the described pin that breaks and this butterfly spring
The trend of the first end away from described first connector pushed to by nail, and the two ends of second described butterfly spring are respectively with described second
The stress of connector and the second end in contact of the described pin that breaks and this butterfly spring have the described pin that breaks is pushed to away from
The trend of the first end of described second connector.
The broken pin assembly that can automatically shrink after pin the most according to claim 1 fracture, it is characterised in that: described the
Be provided with the first scrobicular ring near the position of its first end on the inwall of a connection piece, on the inwall of described second connector near its
The position of one end is provided with the second scrobicular ring, and the periphery, stage casing of the described pin that breaks is provided with stage casing scrobicular ring, first described butterfly spring
Bottom be placed in described first scrobicular ring and near the first end of described first connector, the top of first described butterfly spring
It is placed in the scrobicular ring of described stage casing and away from the first end of described first connector, the bottom of second described butterfly spring is placed in institute
Stating the first end of interior and close described second connector of the second scrobicular ring, the top of second described butterfly spring is placed in described stage casing
In scrobicular ring and away from the first end of described second connector.
The broken pin assembly that can automatically shrink after pin the most according to claim 1 and 2 fracture, it is characterised in that: institute
Stating the pin assembly that can break and also include two guide pins, described guide pin includes the external thread section in interconnective big footpath and path
Cylindrical section, first described guide pin is connected with the inner thread of described first connector by the external thread section of self, and second
Individual described guide pin is connected with the inner thread of described second connector by the external thread section of self, first described guide pin
Cylindrical section and the cylindrical section of second described guide pin between close to each other and leave space, the described pin that breaks is by self
Central through hole be set on the cylindrical section of first described guide pin simultaneously with on the cylindrical section of second described guide pin.
The broken pin assembly that can automatically shrink after pin the most according to claim 3 fracture, it is characterised in that: described can
Between outer wall and the inwall of described first connector of disconnected pin, the outer wall of the described pin that breaks interior with described second connector
Between wall, between the outer wall of the cylindrical section of the inwall of the described pin that breaks and first described guide pin, the described pin that breaks
It is equipped with lubricating oil between the outer wall of the cylindrical section of inwall and second described guide pin.
The broken pin assembly that can automatically shrink after pin the most according to claim 1 and 2 fracture, it is characterised in that: institute
State the pin assembly that can break also include for install retaining nail, described retaining nail include interconnective for the first connector
Or second external thread section in big footpath that connect of the inwall of connector and for blocking the cylindrical section of the path of the described pin that can break.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818876.1U CN205841423U (en) | 2016-07-29 | 2016-07-29 | The broken pin assembly that can automatically shrink after pin fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818876.1U CN205841423U (en) | 2016-07-29 | 2016-07-29 | The broken pin assembly that can automatically shrink after pin fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841423U true CN205841423U (en) | 2016-12-28 |
Family
ID=57617297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620818876.1U Withdrawn - After Issue CN205841423U (en) | 2016-07-29 | 2016-07-29 | The broken pin assembly that can automatically shrink after pin fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015240A (en) * | 2016-07-29 | 2016-10-12 | 中国工程物理研究院总体工程研究所 | Fracturable pin assembly capable of automatically contracting after pin fracturing |
-
2016
- 2016-07-29 CN CN201620818876.1U patent/CN205841423U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015240A (en) * | 2016-07-29 | 2016-10-12 | 中国工程物理研究院总体工程研究所 | Fracturable pin assembly capable of automatically contracting after pin fracturing |
| CN106015240B (en) * | 2016-07-29 | 2017-11-10 | 中国工程物理研究院总体工程研究所 | The pin component that breaks that can be shunk automatically after pin fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20171110 |
|
| AV01 | Patent right actively abandoned |