CN111720410A - Drawing type bayonet lock with balanced stress - Google Patents
Drawing type bayonet lock with balanced stress Download PDFInfo
- Publication number
- CN111720410A CN111720410A CN201910208276.1A CN201910208276A CN111720410A CN 111720410 A CN111720410 A CN 111720410A CN 201910208276 A CN201910208276 A CN 201910208276A CN 111720410 A CN111720410 A CN 111720410A
- Authority
- CN
- China
- Prior art keywords
- inner rod
- positioning pin
- movable positioning
- spring
- outer sleeve
- 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.)
- Pending
Links
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a drawing type bayonet lock with balanced stress, which comprises an outer sleeve, an inner rod, a spring, a knob and a movable positioning pin, wherein the outer sleeve is fixed on an upper fixing frame; the outer side end of the inner rod is connected with the knob, the inner side end of the inner rod is provided with a movable positioning pin mounting rod, the movable positioning pin is perpendicular to the inner rod, the middle part of the movable positioning pin is provided with a ferrule part, the two sides of the ferrule part are clamping parts, and the ferrule part of the movable positioning pin is sleeved at the movable positioning pin mounting rod and is fixed through a nut. Compared with the prior art, the invention has the advantages that: the clamping pin of the invention forms two stress points through the clamping parts at two sides of the movable positioning pin, and the stress is balanced and stable, thereby ensuring the safety; and can avoid the potential safety hazard; the structure design is ingenious, and the cost is lower.
Description
Technical Field
The invention relates to a pin, in particular to a drawing type bayonet lock with balanced stress.
Background
At present, the pull pin in the market is clamped in the positioning hole through a clamping head to realize positioning, the stress point of the structure is only one point of the clamping head, and when the pull pin is used for some large/heavy equipment, the pull pin is easy to deform and even break, so that accidents are caused, and therefore, the pull type clamping pin with balanced stress is developed, and the problem to be solved by technical personnel in the field is urgently needed.
Disclosure of Invention
The invention provides a drawing type bayonet lock with balanced stress in order to solve the defects.
The above object of the present invention is achieved by the following technical means: a pull-type bayonet lock with balanced stress comprises an outer sleeve, an inner rod, a spring, a knob and a movable positioning pin, wherein the outer sleeve is fixed on an upper fixing frame, a spring limiting necking part is arranged at the upper end of the outer sleeve, a spring clamping part is arranged on the inner rod, the spring is sleeved on the inner rod and is inserted into the outer sleeve together with the inner rod, so that one end of the spring is abutted against the spring limiting necking part, and the other end of the spring is abutted against the spring clamping part; the outer side end of the inner rod is connected with the knob, the inner side end of the inner rod is provided with a movable positioning pin mounting rod, the movable positioning pin is perpendicular to the inner rod, the middle part of the movable positioning pin is provided with a ferrule part, the two sides of the ferrule part are clamping parts, and the ferrule part of the movable positioning pin is sleeved at the movable positioning pin mounting rod and is fixed through a nut.
Furthermore, the middle part of the inner rod is provided with a middle thread, and the spring limiting necking part is provided with a necking part internal thread matched with the middle part thread of the inner rod, so that the locking device can be fixed in an unlocking state when the pull pin is pulled out.
Furthermore, the root of the inner rod is provided with a root thread which is used for being matched with the internal thread of the necking part to fix the inner rod in a locked state.
Furthermore, the outer portion of the outer sleeve is provided with a sleeve external thread, and one end of the upper fixing frame is provided with an internal thread cylinder for fixing the pull pin.
The operation assembly and folding process of the invention: when locking, the movable positioning pin is clamped into a pull pin clamping position (not shown), and the knob is rotated to enable the root thread on the inner rod to be locked in the internal thread of the necking part and tightly connected with the outer sleeve, namely the bayonet lock is fixed in a locked state. When unlocking, the knob is rotated to loosen the inner rod locked on the outer sleeve, the inner rod is pulled out, the movable positioning pin is withdrawn from the pull pin clamping position (not shown), and the knob is rotated to lock the middle thread on the inner rod on the internal thread of the necking part to be tightly connected with the outer sleeve, namely the clamping pin is fixed in an unlocking state.
Compared with the prior art, the invention has the advantages that: the clamping pin of the invention forms two stress points through the clamping parts at two sides of the movable positioning pin, and the stress is balanced and stable, thereby ensuring the safety; and can avoid the potential safety hazard; the structure design is ingenious, and the cost is lower.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the appearance of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a pull-type bayonet lock with balanced stress comprises an outer sleeve 1, an inner rod 2, a spring 3, a knob 4 and a movable positioning pin 8, wherein a spring limiting necking part 5 is arranged at the upper end of the outer sleeve 1, a spring clamping part 6 is arranged on the inner rod 2, the spring 3 is sleeved on the inner rod 2 and is inserted into the outer sleeve 1 together with the inner rod 2, so that one end of the spring 3 is abutted against the spring limiting necking part 5, and the other end of the spring 3 is abutted against the spring clamping part 6; the outer side end of the inner rod 2 is connected with a knob 4, the inner side end of the inner rod 2 is provided with a movable positioning pin mounting rod 7, the movable positioning pin 8 is perpendicular to the inner rod 2, the middle part of the movable positioning pin is provided with a collar part 8-1, two sides of the collar part 8-1 are provided with clamping parts 8-2, and the collar part 8-1 of the movable positioning pin is sleeved at the position of the movable positioning pin mounting rod 7 and is fixed through a nut 12.
Furthermore, the middle part of the inner rod 2 is provided with a middle thread 9, and the spring limiting necking part 5 is provided with a necking part internal thread 10 matched with the inner rod middle thread 9, so that the locking device can be fixed in an unlocking state when the pull pin is pulled out.
Further, the root of the inner rod 2 is provided with a root thread 13 which is used for matching with the internal thread 10 of the throat part to fix the inner rod 2 in a locked state.
Further, the outer part of the outer sleeve 1 is provided with a sleeve external thread 11 for fixing in an internal thread cylinder of a mechanical device.
The operation assembly and folding process of the invention: when locking, the movable positioning pin 8 is clamped into a pull pin clamping position (not shown), and the knob 4 is rotated to lock the root thread 13 on the inner rod 2 in the necking part internal thread 10 to be tightly connected with the outer sleeve 1, namely the clamping pin is fixed in a locking state. When unlocking, the knob 4 is rotated, the inner rod 2 locked on the outer sleeve 1 is loosened, the inner rod 2 is pulled out, the movable positioning pin 8 is withdrawn from a pull pin clamping position (not shown), the knob 4 is rotated to enable the middle thread 9 on the inner rod 2 to be locked on the internal thread 10 of the necking part to be tightly connected with the outer sleeve 1, and the clamping pin is fixed in an unlocking state.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. The utility model provides a atress is balanced draws formula bayonet lock which characterized in that: the spring clamping device comprises an outer sleeve, an inner rod, a spring, a knob and a movable positioning pin, wherein the outer sleeve is fixed on an upper fixing frame, a spring limiting necking part is arranged at the upper end of the outer sleeve, a spring clamping part is arranged on the inner rod, the spring is sleeved on the inner rod and is inserted into the outer sleeve together with the inner rod, one end of the spring is abutted against the spring limiting necking part, and the other end of the spring is abutted against the spring clamping part; the outer side end of the inner rod is connected with the knob, the inner side end of the inner rod is provided with a movable positioning pin mounting rod, the movable positioning pin is perpendicular to the inner rod, the middle part of the movable positioning pin is provided with a ferrule part, the two sides of the ferrule part are clamping parts, and the ferrule part of the movable positioning pin is sleeved at the movable positioning pin mounting rod and is fixed through a nut.
2. The balanced draw bayonet of claim 1, further comprising: the middle part of the inner rod is provided with middle threads, and the spring limiting necking part is provided with necking part internal threads matched with the middle threads of the inner rod.
3. The balanced draw bayonet of claim 1, further comprising: the root of the inner rod is provided with a root thread which is used for being matched with the internal thread of the necking part to fix the inner rod in an upper locking state.
4. The balanced draw bayonet of claim 1, further comprising: the outer portion of outer tube is equipped with the sleeve pipe external screw thread, upper mounting bracket one end is equipped with the internal thread section of thick bamboo of fixed blind pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208276.1A CN111720410A (en) | 2019-03-19 | 2019-03-19 | Drawing type bayonet lock with balanced stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208276.1A CN111720410A (en) | 2019-03-19 | 2019-03-19 | Drawing type bayonet lock with balanced stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111720410A true CN111720410A (en) | 2020-09-29 |
Family
ID=72562378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910208276.1A Pending CN111720410A (en) | 2019-03-19 | 2019-03-19 | Drawing type bayonet lock with balanced stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111720410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210372456A1 (en) * | 2020-06-01 | 2021-12-02 | Robert Alexander Halm | Threaded Fastener with Improved Resistance to Backing Out of a Blind Hole |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040227047A1 (en) * | 2003-05-15 | 2004-11-18 | A. G. K. Ltd. | Article hanging system, slidable wire holder, detachable wire holder, wire hook and wire gripper |
| CN1675031A (en) * | 2002-08-09 | 2005-09-28 | 快连有限公司 | Clamping assembly |
| CN101153623A (en) * | 2006-09-21 | 2008-04-02 | 美铝全球紧固件公司 | Higher performance sleeved interference fasteners for composite applications |
| CN202251310U (en) * | 2011-10-12 | 2012-05-30 | 四川九洲电器集团有限责任公司 | Thread locking bayonet lock |
| CN204591894U (en) * | 2015-03-10 | 2015-08-26 | 广州市凯思勒新材料科技有限公司 | Tightening buckle device and comprise the pipe group structure of this tightening buckle device |
| CN206206355U (en) * | 2016-11-24 | 2017-05-31 | 昆山益延精密五金有限公司 | A kind of integrated positioning pin for being easy to process |
| CN209705039U (en) * | 2019-03-19 | 2019-11-29 | 浙江领跑健康科技有限公司 | A kind of drawing type bayonet lock of stress equalization |
-
2019
- 2019-03-19 CN CN201910208276.1A patent/CN111720410A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675031A (en) * | 2002-08-09 | 2005-09-28 | 快连有限公司 | Clamping assembly |
| US20040227047A1 (en) * | 2003-05-15 | 2004-11-18 | A. G. K. Ltd. | Article hanging system, slidable wire holder, detachable wire holder, wire hook and wire gripper |
| CN101153623A (en) * | 2006-09-21 | 2008-04-02 | 美铝全球紧固件公司 | Higher performance sleeved interference fasteners for composite applications |
| CN202251310U (en) * | 2011-10-12 | 2012-05-30 | 四川九洲电器集团有限责任公司 | Thread locking bayonet lock |
| CN204591894U (en) * | 2015-03-10 | 2015-08-26 | 广州市凯思勒新材料科技有限公司 | Tightening buckle device and comprise the pipe group structure of this tightening buckle device |
| CN206206355U (en) * | 2016-11-24 | 2017-05-31 | 昆山益延精密五金有限公司 | A kind of integrated positioning pin for being easy to process |
| CN209705039U (en) * | 2019-03-19 | 2019-11-29 | 浙江领跑健康科技有限公司 | A kind of drawing type bayonet lock of stress equalization |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210372456A1 (en) * | 2020-06-01 | 2021-12-02 | Robert Alexander Halm | Threaded Fastener with Improved Resistance to Backing Out of a Blind Hole |
| US11773892B2 (en) * | 2020-06-01 | 2023-10-03 | Robert Alexander Halm | Threaded fastener with improved resistance to backing out of a blind hole |
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