CN110608217A - Automatic constant-force releasing device - Google Patents
Automatic constant-force releasing device Download PDFInfo
- Publication number
- CN110608217A CN110608217A CN201910828636.8A CN201910828636A CN110608217A CN 110608217 A CN110608217 A CN 110608217A CN 201910828636 A CN201910828636 A CN 201910828636A CN 110608217 A CN110608217 A CN 110608217A
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- China
- Prior art keywords
- lock
- locking
- positioning hole
- elastic piece
- displacement
- Prior art date
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 42
- 238000010008 shearing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating 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
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
- F16B1/04—Means for securing elements of mechanisms after operation disengaged by movement of the actuating member of the element
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Connection Of Plates (AREA)
Abstract
The application belongs to the technical field of the design is liberated automatically to equipment basis force, concretely relates to automatic device that takes off of basis force includes: the positioning block is provided with a positioning hole; the elastic piece is arranged in the positioning hole; the locking device is connected with the elastic piece and is provided with a locking mechanism; the lock device has: in the locking state, the elastic piece limits the lock device in the positioning hole by means of the elasticity of the elastic piece, and the lock device is restrained by the wall surface of the positioning hole so as to lock the equipment needing constant force release; in the loosening state, the locking device bears preset tension, the locking device pulls the elastic piece to move along the axial direction of the positioning hole, the locking mechanism extends out of the positioning hole, the locking mechanism is separated from the restraint of the wall surface of the positioning hole, and equipment needing constant force releasing is loosened.
Description
Technical Field
The application belongs to the technical field of automatic releasing design of equipment constant force, and particularly relates to an automatic releasing device of constant force.
Background
The fixed force releasing device is designed to restrain the equipment needing to be released by the preset pulling force, and the equipment can be released from the restraint of the fixed force releasing device after being subjected to the preset pulling force so as to be capable of moving freely. At present, the constant force releasing device mostly adopts a constant value shearing pin form, and the constant force releasing device has the following defects:
1) for equipment with different required preset tension, the shear pin mounting seat needs to be replaced, and the mounting implementation process is complicated;
2) the shearing pin can be used only once, so that the cost is high and the economical efficiency is poor;
3) the shearing pin is sheared off by a preset pulling force and then flies out, so that surrounding personnel and objects are easily damaged, and great potential safety hazard exists;
4) the portable electric heating device is inconvenient to carry and easy to be influenced and limited by external conditions.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present application to provide a constant force automatic release device that overcomes or alleviates at least one of the above-mentioned disadvantages.
The technical scheme of the application is as follows:
a constant force automatic release device comprising:
the positioning block is provided with a positioning hole;
the elastic piece is arranged in the positioning hole;
the locking device is connected with the elastic piece and is provided with a locking mechanism; the lock device has:
in the locking state, the elastic piece limits the lock device in the positioning hole by means of the elasticity of the elastic piece, and the lock device is restrained by the wall surface of the positioning hole so as to lock the equipment needing constant force release;
in the loosening state, the locking device bears preset tension, the locking device pulls the elastic piece to move along the axial direction of the positioning hole, the locking mechanism extends out of the positioning hole, the locking mechanism is separated from the restraint of the wall surface of the positioning hole, and equipment needing constant force releasing is loosened.
According to at least one embodiment of the application, a lock device comprises a displacement block having a displacement face, an abutment face opposite to the displacement face;
the lock mechanism is arranged on the displacement surface;
the elastic member is connected with the abutting surface.
According to at least one embodiment of the application, the locking mechanism comprises two locking hooks hinged on the displacement surface;
the lock device is in:
when the locking state is realized, the two locking hooks are restrained by the wall surface of the positioning hole to lock the equipment needing constant force release;
when the device is in a loosening state, the two lock hooks rotate back to each other, and the device needing constant force releasing is loosened.
According to at least one embodiment of the application, the displacement surface is provided with two displacement protrusions, and each displacement protrusion is attached to the wall surface of the positioning hole;
each latch hook is correspondingly hinged to one displacement protrusion.
According to at least one embodiment of the application, the device further comprises a pull rod, wherein one end of the pull rod is a traction end, and the other end of the pull rod is a connecting end; the traction end is used for connecting equipment needing constant force release;
the lock device is in:
when in a locking state, the two lock hooks lock the connecting end;
when the connecting end is in a loose state, the connecting ends are loosened by the two lock hooks.
According to at least one embodiment of the present application, a lock cavity is formed between the two lock hooks and the displacement block;
the connecting end is provided with a connecting bulge;
the lock device is in:
in the locked state, the connecting projection is confined in the lock cavity;
in the released state, the connecting projection can be disengaged from the locking cavity.
According to at least one embodiment of the present application, one end of each latch hook is hinged to the displacement surface, and the other end is bent toward the direction in which the other latch hook is located;
the connecting protrusion is spherical.
According to at least one embodiment of the application, the lock mechanism further comprises two torsion springs, wherein,
a torsion spring is connected to a latch hook and displacement block to hold the latch in:
when the locking state is realized, the locking hook is abutted against the wall surface of the positioning hole;
when in a loose state, the lock hook is rotated back to the other lock hook;
the other torsion spring is connected with the other lock hook and the displacement block so as to be positioned in the following positions of the lock device:
when the locking state is realized, the locking hook is abutted against the wall surface of the positioning hole;
when in the unclamped state, the lock hook is rotated back to the other lock hook.
According to at least one embodiment of the present application, one end of the elastic member is connected with the abutting surface;
the wall surface of the positioning hole is provided with an abutting projection;
the automatic releasing device also comprises an adjusting rod which is arranged by penetrating through the bottom of the positioning hole along the axial direction, and one end of the adjusting rod positioned in the positioning hole is connected with the other end of the elastic piece;
the adjusting rod can move along the axial direction of the positioning through hole so as to adjust the elastic piece to be in different stretching states, and the elastic piece enables the abutting surface to abut against the abutting protrusion by means of the elastic force of the elastic piece.
According to at least one embodiment of this application, automatic disengaging device still includes and adjusts the pole nut, is located the outside one end screw-thread fit connection of locating hole with adjusting the pole, and with the locating piece butt.
Drawings
Fig. 1 is a schematic structural diagram of a constant force automatic release device provided in an embodiment of the present application in an operating state;
FIG. 2 is a schematic structural diagram of the constant force automatic disengaging device provided by the embodiment of the application in another working state;
wherein:
1-positioning a block; 2-displacement protrusion; 3-positioning holes; 4-an elastic member; 5-a displacement block; 6-latch hook; 7-a pull rod; 8-connecting the projections; 9-torsion spring; 10-adjusting the rod; 11-adjusting the nut; 12-lock chamber.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
The present application is described in further detail below with reference to fig. 1-2.
A constant force automatic release device comprising:
the positioning block 1 is provided with a positioning hole 3;
the elastic piece 4 is arranged in the positioning hole 3;
a lock device connected with the elastic piece 4 and provided with a lock mechanism; the lock device has:
in a locking state, the elastic piece 4 limits the lock device in the positioning hole 3 by means of the elasticity of the elastic piece, and the lock device is restrained by the wall surface of the positioning hole 3 so as to lock equipment needing constant force release;
in a loosening state, the locking device bears preset tension, so that the locking device pulls the elastic piece 4 to move axially along the positioning hole 3, the locking mechanism extends out of the positioning hole 3 and is separated from the restraint of the wall surface of the positioning hole 3, and equipment needing constant force to be released is loosened.
For the constant force automatic releasing device disclosed in the above embodiments, those skilled in the art can understand that:
the lock mechanism is restrained by the wall surface of the positioning hole 3, namely the movable part of the lock mechanism is positioned in the positioning hole 3, and the wall surface of the positioning hole 3 limits the movable range of the movable part, so that equipment needing constant force release can be locked;
the equipment needing constant force release is locked, and the equipment needing constant force release can be clamped by the movable part of the lock mechanism or can be in a state that the card owner and the like can limit free movement to a certain extent;
the preset pulling force corresponds to the requirement of the equipment needing constant force release, and can be that the locked equipment needing constant force release is subjected to external force and then transmitted to the lock device, or can be directly applied to the lock device by related technicians due to the operation requirement;
the equipment needing constant force release is loosened, corresponding to the locking of the equipment needing constant force release, the locking mechanism can correspondingly act, the limitation on the movement of the equipment needing constant force release is removed, so that the equipment needing constant force release can be separated from the restraint of the locking mechanism to move freely, and meanwhile, the force transmitted to the locking mechanism by the equipment needing constant force release disappears;
furthermore, it will be understood by those skilled in the art that after the force transmitted to the lock device by the equipment requiring force release or the force directly applied to the lock device by the related art disappears, the lock mechanism will return to the locked state and maintain the locked state under the elastic force of the elastic member 4;
in order to lock the equipment needing constant force release by the lock mechanism, the related technical personnel can carry out the following operations:
firstly, applying a preset pulling force to a locking device to enable the locking device to be in a loosening state;
secondly, equipment needing constant force release is attached to the lock device;
thirdly, the lock device moves under the action of the elastic force of the elastic piece 4, the equipment which needs to be released by constant force moves along with the lock device, and when the lock device is restored to a locking state, the equipment which needs to be released by constant force is locked by the mechanism.
The constant force releasing device disclosed by the embodiment can realize multiple continuous locking and releasing of equipment needing constant force releasing by means of the matching of the elastic piece 4 and the lock mechanism and the related action of the lock mechanism, does not need to replace parts in the process, and does not have the danger that parts are broken and fly out.
In some alternative embodiments, the lock device comprises a displacement block 5 having a displacement face, an abutment face opposite the displacement face;
the lock mechanism is arranged on the displacement surface;
the elastic member 4 is connected to the abutting surface.
In some alternative embodiments, the locking mechanism comprises two locking hooks 6, hinged on the displacement surface;
the lock device is in:
when the locking state is realized, the two locking hooks 6 are restrained by the wall surface of the positioning hole 4 to lock the equipment needing constant force release;
when the device is in a loosening state, the two locking hooks 6 rotate back to each other, and the device needing constant force release is loosened.
In some alternative embodiments, there are two displacement projections 2 on the displacement surface; each latch hook 6 is correspondingly hinged to one displacement protrusion 2; each displacement protrusion 2 is attached to the wall surface of the positioning hole 3 to increase the stability of the displacement block 5 in axial movement along the positioning hole 3.
In some optional embodiments, the device further comprises a pull rod 7, one end of which is a traction end, and the other end of which is a connecting end; the traction end is used for connecting equipment needing constant force release;
the lock device is in:
in the locking state, the two locking hooks 6 lock the connecting end;
in the released state, the two latch hooks 6 release the connection ends.
In some alternative embodiments, a lock cavity 12 is formed between the two lock hooks 6 and the displacement block 5;
the connecting end is provided with a connecting bulge 8;
the lock device is in:
in the locked state, the coupling projection 8 is confined in the lock cavity 12;
in the released state, the connecting projection 8 can be disengaged from the lock chamber 12.
In some alternative embodiments, one end of each latch hook 6 is hinged to the displacement surface, and the other end is bent towards the direction of the other latch hook 6; the connecting projection 8 is spherical.
With respect to the constant force automatic releasing device disclosed in the above embodiments, it can be understood by those skilled in the art that the locking device is transited from the locking state to the releasing device, the two locking hooks 6 rotate away from each other gradually, the outer surface of the spherical connecting protrusion 8 can keep contact with the surfaces of the bent portions of the two locking hooks 6, and the locking device can be smoothly and slowly released along the surfaces of the bent portions of the two locking hooks 6.
In some alternative embodiments, the lock mechanism 6 further comprises two torsion springs 9, wherein,
a torsion spring 9 is connected to a latch hook 6 and displacement block 5 to hold the latch in:
when the locking state is realized, the locking hook 6 is abutted against the wall surface of the positioning hole 3;
when in a loose state, the locking hook 6 is rotated back to the other locking hook 6;
another torsion spring 9 is connected to the other latch hook 6 and the displacement block 5 to provide, in the lock device:
when the locking state is realized, the locking hook 6 is abutted against the wall surface of the positioning hole 3;
in the released state, the locking hook 6 is pivoted away from the other locking hook 6.
In some alternative embodiments, one end of the elastic member 4 is connected with the abutment surface;
the wall surface of the positioning hole 3 is provided with an abutting projection;
the automatic releasing device also comprises an adjusting rod 10 which is arranged by penetrating the bottom of the positioning hole 3 along the axial direction, and one end of the adjusting rod positioned in the positioning hole is connected with the other end of the elastic part 4;
the adjusting rod 10 can move along the axial direction of the positioning through hole 3 so as to adjust and enable the elastic piece 4 to be in different stretching states, and the elastic piece 4 enables the abutting surface to abut against the abutting protrusion by means of the elastic force of the elastic piece.
With respect to the constant force automatic releasing device disclosed in the above embodiments, it can be understood by those skilled in the art that the adjusting rod 4 adjusts the stretching state of the elastic member 4 according to the requirement of the device requiring constant force releasing, so as to expand the application range of the constant force automatic releasing device.
In some optional embodiments, the automatic releasing device further includes an adjusting rod nut 11, which is in threaded fit connection with one end of the adjusting rod 10 located outside the positioning hole 3 and abuts against the positioning block 1.
In some alternative embodiments, the elastic member 4 is a spring or a rubber rod having elasticity.
So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.
Claims (10)
1. A constant force automatic disengaging device, comprising:
the positioning block (1) is provided with a positioning hole (3);
the elastic piece (4) is arranged in the positioning hole (3);
the locking device is connected with the elastic piece (4) and is provided with a locking mechanism; the lock device has:
in a locking state, the elastic piece (4) limits the lock device in the positioning hole (3) by means of the elasticity of the elastic piece, and the lock device is restrained by the wall surface of the positioning hole (3) so as to lock equipment needing constant force release;
in a loosening state, the locking device bears preset tension, the elastic piece (4) is pulled to move axially along the positioning hole (3), the locking mechanism extends out of the positioning hole (3), the locking mechanism is separated from the restraint of the wall surface of the positioning hole (3), and equipment needing constant force release is loosened.
2. The constant-force automatic release device according to claim 1,
the lock device comprises a displacement block (5) which is provided with a displacement surface and an abutting surface opposite to the displacement surface;
the lock mechanism is arranged on the displacement surface;
the elastic piece (4) is connected with the abutting surface.
3. The constant-force automatic release device according to claim 2,
the lock mechanism comprises two lock hooks (6) hinged on the displacement surface;
the lock device is in:
in the locking state, the two locking hooks (6) are restrained by the wall surface of the positioning hole (4) to lock the equipment needing constant force release;
when the locking device is in the loosening state, the two locking hooks (6) rotate back to each other, and equipment needing fixed force to be released is loosened.
4. The constant-force automatic release device according to claim 3,
the displacement surface is provided with two displacement protrusions (2), and each displacement protrusion (2) is attached to the wall surface of the positioning hole (3);
each locking hook (6) is correspondingly hinged to one displacement protrusion (2).
5. The constant-force automatic release device according to claim 3,
the device also comprises a pull rod (7), one end of which is a traction end, and the other end of which is a connecting end; the traction end is used for connecting equipment needing constant force release;
the lock device is in:
in the locking state, the two locking hooks (6) lock the connecting end;
when in the release state, the two locking hooks (6) release the connecting end.
6. The constant-force automatic release device according to claim 3,
a lock cavity (12) is enclosed between the two lock hooks (6) and the displacement surface;
the connecting end is provided with a connecting bulge (8);
the lock device is in:
in the locked state, the connecting projection (8) is confined in the lock cavity (12);
in the released state, the connecting projection (8) can be disengaged from the locking cavity (12).
7. The constant-force automatic release device according to claim 6,
one end of each lock hook (6) is hinged to the displacement surface, and the other end of each lock hook is bent towards the direction of the other lock hook (6);
the connecting bulge (8) is spherical.
8. The constant-force automatic release device according to claim 3,
the lock mechanism (6) further comprises two torsion springs (9), wherein,
one of the torsion springs (9) is connected to one of the latch hooks (6) and the displacement block (5) to provide, in the lock device:
when the locking state is realized, the locking hook (6) is abutted against the wall surface of the positioning hole (3);
when in the loosening state, the lock hook (6) is enabled to rotate back to the other lock hook (6);
the other torsion spring (9) is connected with the other locking hook (6) and the displacement block (5) so as to ensure that the locking device is in a state that:
when the locking state is realized, the locking hook (6) is abutted against the wall surface of the positioning hole (3);
when in the release state, the lock hook (6) is rotated back to the other lock hook (6).
9. The constant-force automatic release device according to claim 3,
one end of the elastic piece (4) is connected with the abutting surface;
the wall surface of the positioning hole (3) is provided with an abutting projection;
the automatic releasing device also comprises an adjusting rod (10) which penetrates through the bottom of the positioning hole (3) along the axial direction, and one end of the adjusting rod, which is positioned in the positioning hole, is connected with the other end of the elastic part (4);
the adjusting rod (10) can move along the axial direction of the positioning through hole (3) so as to adjust and enable the elastic piece (4) to be in different stretching states, and the elastic piece (4) enables the abutting surface to abut against the abutting protrusion by means of the elastic force of the elastic piece.
10. The constant-force automatic release device according to claim 9,
the automatic releasing device further comprises an adjusting rod nut (11), the adjusting rod nut (10) is in threaded fit connection with one end, located outside the positioning hole (3), of the adjusting rod, and the adjusting rod nut is abutted to the positioning block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828636.8A CN110608217B (en) | 2019-09-03 | 2019-09-03 | Automatic constant-force releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828636.8A CN110608217B (en) | 2019-09-03 | 2019-09-03 | Automatic constant-force releasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110608217A true CN110608217A (en) | 2019-12-24 |
| CN110608217B CN110608217B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910828636.8A Active CN110608217B (en) | 2019-09-03 | 2019-09-03 | Automatic constant-force releasing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110608217B (en) |
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| CN111720408A (en) * | 2020-06-29 | 2020-09-29 | 海盐特邦科技股份有限公司 | Large-load fastener |
| CN112682398A (en) * | 2020-12-29 | 2021-04-20 | 中国航空工业集团公司西安飞机设计研究所 | Constant force automatic separation device |
| DE102021213275A1 (en) | 2021-11-25 | 2023-05-25 | Volkswagen Aktiengesellschaft | Fastening system, repair method and motor vehicle |
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| CN111720408B (en) * | 2020-06-29 | 2022-04-08 | 海盐特邦科技股份有限公司 | Large-load fastener |
| CN112682398A (en) * | 2020-12-29 | 2021-04-20 | 中国航空工业集团公司西安飞机设计研究所 | Constant force automatic separation device |
| CN112682398B (en) * | 2020-12-29 | 2022-08-23 | 中国航空工业集团公司西安飞机设计研究所 | Constant force automatic separation device |
| DE102021213275A1 (en) | 2021-11-25 | 2023-05-25 | Volkswagen Aktiengesellschaft | Fastening system, repair method and motor vehicle |
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| CN110608217B (en) | 2021-06-08 |
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