CN113251047A - Safety bolt capable of being operated on single side and use method thereof - Google Patents
Safety bolt capable of being operated on single side and use method thereof Download PDFInfo
- Publication number
- CN113251047A CN113251047A CN202110474061.1A CN202110474061A CN113251047A CN 113251047 A CN113251047 A CN 113251047A CN 202110474061 A CN202110474061 A CN 202110474061A CN 113251047 A CN113251047 A CN 113251047A
- Authority
- CN
- China
- Prior art keywords
- pin
- baffle
- inner shaft
- hole
- rectangular groove
- 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
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 210000003734 kidney Anatomy 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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
-
- 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
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/12—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with locking-pins or split-pins thrust into holes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a safety bolt capable of being operated on one side and a use method thereof, and relates to the technical field of technological equipment. The opening and closing of the baffle on the bolt disclosed by the invention can be operated at one side of the bolt, so that the problems of single-side operation of the bolt and safety after positioning are solved.
Description
Technical Field
The invention relates to the technical field of technological equipment, in particular to a safety bolt capable of being operated on one side and a using method thereof.
Background
When two plate-shaped parts with certain thickness are positioned and connected by adopting a cylindrical pin, if the axial line of the positioned cylindrical pin is inclined or vertical, in order to ensure that the cylindrical pin does not fall from a hole, the connecting mode usually adopts a pin shaft (GB/T882) + an open pin (GB/T91) or a pin shaft + a nut, the two modes need to be operated on two sides of a connected part A and a connected part B, and if the connected part A and the connected part B are very large, the operation is very inconvenient; both of these coupling means cannot be implemented if the parts on one side are of closed-cavity construction.
Disclosure of Invention
In order to solve the technical problems, the invention provides a safety bolt capable of being operated on one side and a use method thereof.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a but unilateral operation's safety bolt, includes round pin axle, its characterized in that: the hinge pin comprises a working part and a handle part, a rectangular groove A is formed in the left side of the working part, a rectangular groove B is formed in the left side of the inner shaft, the working part is rotatably connected with the baffle through a cylindrical pin A, the left side of the inner shaft is connected with the baffle through the cylindrical pin B, and the inner shaft drives the baffle to swing in the rectangular groove A and the rectangular groove B.
Preferably, the left side of the working part is provided with a pin hole A and a fabrication hole in the direction perpendicular to the central axis of the working part and the rectangular groove A.
Preferably, a large hole is formed in the handle part, a spring is arranged in the large hole, and the spring is sleeved on the inner shaft.
Preferably, the inner shaft is a cylinder with a small left and a large right, the cylinder on the right side is a right end face, and pin holes B are formed in the direction perpendicular to the central axis of the cylinder on the left side and the rectangular groove B.
Preferably, the baffle is triangle-shaped, the baffle lower left corner is provided with the through-hole, the kidney-shaped groove of slope is seted up at the baffle middle part, the baffle upper right corner is provided with sharp portion.
Preferably, the baffle is sleeved on the cylindrical pin A through a through hole.
Preferably, the inner shaft slides in the kidney-shaped groove through the cylindrical pin B, and pushes the baffle to swing by taking the cylindrical pin A as a center.
A use method of a safety bolt capable of being operated on one side is characterized in that: comprises a plugging method and a connecting method,
the plugging method comprises the following steps:
the method comprises the following steps that firstly, the right end face of an inner shaft is pressed at the right end of the device, so that the inner shaft moves leftwards in an inner hole of a pin shaft, and a cylindrical pin B arranged at the left end of the inner shaft slides in a kidney-shaped groove of a baffle plate to drive the baffle plate to rotate clockwise by taking the cylindrical pin A as a center, so that the tip of the upper right corner of the baffle plate rotates into a rectangular groove A of the pin shaft;
secondly, the device is pulled out from the part holes in the connected part A and the connected part B, so that the device can be plugged and pulled out;
the plugging method comprises the following steps:
step one, inserting the device into part holes in a connected part A and a connected part B;
and step two, after the pressing force of the right end face of the inner shaft is released, the inner shaft moves rightwards under the elastic force of the spring, the baffle is driven to rotate anticlockwise by taking the cylindrical pin A as the center through the sliding of the cylindrical pin B arranged at the left end of the inner shaft in the kidney-shaped groove of the baffle, so that the tip of the right upper corner of the baffle is rotated out of the rectangular groove A of the pin shaft, the tip of the right upper corner of the baffle protrudes out of the surface of the working part to form a blocking surface, and the device is connected by keeping the state all the time.
The invention has the advantages that: the pin shaft connecting device is inserted into the pin hole, the baffle protrudes out of the surface of the pin shaft, the pin shaft can not automatically withdraw from the pin hole no matter the connected part A and the connected part B are static, moving and vibrating, and the pin shaft is at any angle, so that the safe and reliable connecting effect is achieved, and meanwhile, the unilateral and quick operation of plugging and unplugging the pin shaft can be realized only by shifting the baffle on one side of the part.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a perspective view of the present device;
FIG. 2 is a cross-sectional view of the coupling feature of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view of the baffle being pulled and hidden within the rectangular slot of the pin;
FIG. 5 is a perspective view of a part pin;
FIG. 6 is a perspective view of the inner shaft of the part;
FIG. 7 is a perspective view of the parts retainer;
the labels in the figure are: 1. a pin shaft; 2. a spring; 3. an inner shaft; 4. a baffle plate; 5. a cylindrical pin B; 6. a cylindrical pin A; 7. a coupled part A; 8. a coupled part B; 11. a working part; 12. a handle portion; 13. a fabrication hole; 14. a pin hole A; 15. an inner bore; 16. a rectangular groove A; 17. macropores; 31. a right end face; 32. a rectangular groove B; 33. a pin hole B; 41. a tip portion; 42. a through hole; 43. a kidney-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As a most basic embodiment of the present invention, the present embodiment discloses a safety latch capable of being operated by one side, as shown in fig. 1 to 7, the safety latch includes a pin 1, an inner hole 15 is disposed at the center of the pin 1, the inner shaft 3 penetrates through the inner hole 15, the inner shaft 3 can move left and right in the inner hole 15, the pin 1 includes a working portion 11 and a handle portion 12, a rectangular groove a16 is disposed on the left side of the working portion 11, a rectangular groove B32 is disposed on the left side of the inner shaft 3, the working portion 11 is rotatably connected to a baffle 4 through a cylindrical pin a6, the left side of the inner shaft 3 is connected to the baffle 4 through a cylindrical pin B5, and the inner shaft 3 drives the baffle 4 to swing in the rectangular groove a16 and the rectangular groove B32.
Example 2
As a most preferred embodiment of the present invention, the present embodiment discloses a safety latch capable of operating on one side, as shown in fig. 1-7, which includes a pin 1, an inner hole 15 is disposed at the center of the pin 1, the inner shaft 3 penetrates through the inner hole 15, the inner shaft 3 can move left and right in the inner hole 15, the pin 1 includes a working portion 11 and a handle portion 12, a rectangular groove a16 is disposed on the left side of the working portion 11, a rectangular groove B32 is disposed on the left side of the inner shaft 3, the working portion 11 is rotatably connected to a baffle 4 through a cylindrical pin a6, the left side of the inner shaft 3 is connected to the baffle 4 through a cylindrical pin B5, and the inner shaft 3 drives the baffle 4 to swing in the rectangular groove a16 and the rectangular groove B32.
Preferably, a pin hole a14 and a process hole 13 are provided in the left side of the working part 11 in a direction perpendicular to both the central axis of the working part 11 and the rectangular groove a16, the pin hole a14 is a fixing hole for the cylindrical pin a6, and the process hole 13 is a through hole for the cylindrical pin B5 when it is attached to the inner shaft 3.
Preferably, a large hole 17 is formed in the handle portion 12, a spring 2 is arranged in the large hole 17, and the spring 2 is sleeved on the inner shaft 3.
Preferably, the inner shaft 3 is a cylinder with a small left and a large right, the cylinder on the right is the right end face 31, pin holes B33 are formed in the direction perpendicular to both the central axis of the cylinder on the left and the rectangular groove B32, and the pin holes B33 are fixing holes of a cylindrical pin B5.
Preferably, baffle 4 is the triangle form, baffle 4 lower left corner is provided with through-hole 42, the kidney-shaped groove 43 of slope is seted up at baffle 4 middle part, baffle 4 upper right corner is provided with sharp portion 41.
Preferably, the baffle 4 is sleeved on the cylindrical pin A6 through the through hole 42.
Preferably, the inner shaft 3 is slid in the kidney-shaped groove 43 by the cylindrical pin B5, and the pushing baffle 4 swings around the cylindrical pin a 6.
Example 3
This patent will be further described below with reference to example 3 of a pin 1 having a diameter of 16mm at the outer circumference of the working portion 11.
The device comprises a pin shaft 1, wherein the pin shaft 1 comprises a working part 11 and a handle part 12, the excircle diameter of the working part 11 is 16mm, the excircle diameter of the handle part 12 is 26mm, an inner hole 15 is arranged at the center of the pin shaft 1, the aperture of the inner hole is 10mm, an inner shaft 3 penetrates through the inner hole 15, the inner shaft 3 can move left and right in the inner hole 15, a rectangular groove A16 is arranged at the left side of the working part 11, the groove width of the rectangular groove A16 is 3mm, a rectangular groove B32 is arranged at the left side of the inner shaft 3, the groove width of the rectangular groove B32 is 3mm, the working part 11 is rotatably connected with a baffle plate 4 through a cylindrical pin A6, the cylindrical pin A6 adopts a standard component GB/T119-3 x 14, the cylindrical pin A6 is a swinging support shaft of the baffle plate 4, the width of the baffle plate 4 is 3mm, the left side of the inner shaft 3 is connected with the baffle plate 4 through the cylindrical pin B5, the cylindrical pin B5 adopts a standard component GB/T119-3 x 9, and the inner shaft 3 drives the baffle 4 to swing in the rectangular groove A16 and the rectangular groove B32.
Preferably, a pin hole a14 and a process hole 13 are formed in the left side of the working part 11 in a direction perpendicular to both the central axis of the working part 11 and the rectangular groove a16, the pin hole a14 has a diameter of 3mm, the process hole 13 has a diameter of 5mm, the pin hole a14 is a fixing hole for the cylindrical pin a6, and the process hole 13 is a through hole when the cylindrical pin B5 is mounted on the inner shaft 3.
Preferably, a large hole 17 is formed in the handle portion 12, a spring 2 is arranged in the large hole 17, the spring 2 is sleeved on the inner shaft 3, the spring 2 is a cylindrical helical compression spring of GB/T2089-phi 1.4 x phi 14 x 30, and the spring 2 is used for enabling the inner shaft 3 to always obtain a right pressing force.
Preferably, the inner shaft 3 is a cylinder with a small left and a large right, the diameter of the cylinder on the left side is 10mm, the cylinder on the right side is the right end face 31, pin holes B33 are arranged in the direction perpendicular to the central axis of the cylinder on the left side and the rectangular groove B32, the pin holes B33 are fixing holes of a cylindrical pin B5, and the diameter of the pin hole B33 is 3 mm.
Preferably, baffle 4 is the triangle form, and baffle 4 thickness is 3mm, 4 lower left corners of baffle are provided with through-hole 42, the kidney slot 43 of slope is seted up at 4 middle parts of baffle, 4 upper right corners of baffle are provided with sharp portion 41.
Preferably, the baffle 4 is sleeved on the cylindrical pin A6 through the through hole 42.
Preferably, the inner shaft 3 is slid in the kidney-shaped groove 43 by the cylindrical pin B5, and pushes the baffle 4 to swing around the cylindrical pin a6, so that the tip 41 at the upper right corner of the baffle 4 protrudes from or is lower than the surface of the outer cylindrical surface of the working part 11 of the pin 1. When the tip part 41 protrudes out of the surface of the working part 11, a blocking surface is formed to prevent the pin shaft 1 from falling from the part hole; when the tip portion 41 is hidden in the surface of the working portion 11 of the pin 1, the pin 1 can be pulled out from the part hole.
A method for using a safety bolt capable of being operated on one side comprises a plugging method and a connecting method,
the plugging method comprises the following steps:
step one, the right end face 31 of the inner shaft 3 is pressed at the right end of the device, so that the inner shaft 3 moves leftwards in the inner hole 15 of the pin shaft 1, and the baffle 4 is driven to rotate clockwise by taking a cylindrical pin A6 as a center through the sliding of the cylindrical pin B5 arranged at the left end of the inner shaft 3 in the kidney-shaped groove 43 of the baffle 4, so that the tip part 41 at the upper right corner of the baffle 4 rotates into the rectangular groove A16 of the pin shaft 1;
secondly, the device is pulled out from the part holes in the connected part A7 and the connected part B8, so that the device can be plugged and unplugged;
the plugging method comprises the following steps:
step one, inserting the device into part holes in a connected part A7 and a connected part B8;
step two, after the pressing force of the right end face 31 of the inner shaft 3 is released, the inner shaft 3 moves rightwards under the elastic force of the spring 2, the cylindrical pin B5 arranged at the left end of the inner shaft 3 slides in the kidney-shaped groove 43 of the baffle plate 4, the baffle plate 4 is driven to rotate anticlockwise by taking the cylindrical pin A6 as the center, so that the tip part 41 at the upper right corner of the baffle plate 4 rotates out of the rectangular groove A16 of the pin shaft 1, the tip part 41 at the upper right corner of the baffle plate 4 protrudes out of the surface of the working part 11 to form a blocking surface, and the state is kept all the time, and the connection of the device is realized.
In summary, after reading the present disclosure, those skilled in the art should make various other modifications without creative efforts according to the technical solutions and concepts of the present disclosure, which are within the protection scope of the present disclosure.
Claims (8)
1. The utility model provides a but unilateral operation's safety bolt, includes round pin axle (1), its characterized in that: the novel multifunctional hinge is characterized in that an inner hole (15) is formed in the center of the pin shaft (1), the inner shaft (3) penetrates through the inner hole (15), the inner shaft (3) can move left and right in the inner hole (15), the pin shaft (1) comprises a working part (11) and a handle part (12), a rectangular groove A (16) is formed in the left side of the working part (11), a rectangular groove B (32) is formed in the left side of the inner shaft (3), the working part (11) is rotatably connected with the baffle (4) through a cylindrical pin A (6), the left side of the inner shaft (3) is connected with the baffle (4) through a cylindrical pin B (5), and the inner shaft (3) drives the baffle (4) to swing in the rectangular groove A (16) and the rectangular groove B (32).
2. A single-sided operable safety latch as claimed in claim 1, wherein: and a pin hole A (14) and a fabrication hole (13) are arranged in the direction perpendicular to the central axis of the working part (11) and the rectangular groove A (16) on the left side of the working part (11).
3. A single-sided operable safety latch as claimed in claim 2, wherein: the handle part (12) is internally provided with a large hole (17), the large hole (17) is internally provided with a spring (2), and the spring (2) is sleeved on the inner shaft (3).
4. A single-sided operable safety latch as claimed in claim 3, wherein: the inner shaft (3) is a cylinder with a small left and a large right, the cylinder on the right side is a right end face (31), and pin holes B (33) are formed in the direction perpendicular to the central axis of the cylinder on the left side and the direction perpendicular to the rectangular groove B (32).
5. A single-sided operable safety latch according to claim 4, wherein: baffle (4) are three horn shapes, baffle (4) lower left corner is provided with through-hole (42), inclined kidney slot (43) are seted up at baffle (4) middle part, baffle (4) upper right corner is provided with sharp portion (41).
6. A single-sided operable safety latch according to claim 5, wherein: the baffle (4) is sleeved on the cylindrical pin A (6) through a through hole (42).
7. A single-sided operable safety latch according to claim 6, wherein: the inner shaft (3) slides in the kidney-shaped groove (43) through the cylindrical pin B (5), and the baffle (4) is pushed to swing by taking the cylindrical pin A (6) as the center.
8. The method of using a safety latch according to claim 7, wherein: comprises a plugging method and a connecting method,
the plugging method comprises the following steps:
step one, pressing a right end face (31) of an inner shaft (3) at the right end of the device to enable the inner shaft (3) to move leftwards in an inner hole (15) of a pin shaft (1), and driving a baffle plate (4) to rotate clockwise by taking a cylindrical pin A (6) as a center through sliding of a cylindrical pin B (5) installed at the left end of the inner shaft (3) in a kidney-shaped groove (43) of the baffle plate (4), so that a tip part (41) at the upper right corner of the baffle plate (4) rotates into a rectangular groove A (16) of the pin shaft (1);
secondly, the device is pulled out from the part holes in the connected part A (7) and the connected part B (8) to realize the plugging and unplugging of the device;
the plugging method comprises the following steps:
step one, inserting the device into part holes in a connected part A (7) and a connected part B (8);
and step two, after the pressing force of the right end face (31) of the inner shaft (3) is released, the inner shaft (3) moves rightwards under the elastic force of the spring (2), the cylindrical pin B (5) installed at the left end of the inner shaft (3) slides in the kidney-shaped groove (43) of the baffle plate (4), the baffle plate (4) is driven to rotate anticlockwise by taking the cylindrical pin A (6) as the center, so that the tip part (41) at the upper right corner of the baffle plate (4) is rotated out of the rectangular groove A (16) of the pin shaft (1), and the tip part (41) at the upper right corner of the baffle plate (4) protrudes out of the surface of the working part (11) to form a blocking surface and keep the state all the time, and the connection of the device is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474061.1A CN113251047A (en) | 2021-04-29 | 2021-04-29 | Safety bolt capable of being operated on single side and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474061.1A CN113251047A (en) | 2021-04-29 | 2021-04-29 | Safety bolt capable of being operated on single side and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113251047A true CN113251047A (en) | 2021-08-13 |
Family
ID=77223652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110474061.1A Pending CN113251047A (en) | 2021-04-29 | 2021-04-29 | Safety bolt capable of being operated on single side and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113251047A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1048071A (en) * | 1963-06-12 | 1966-11-09 | John Joseph Mccarthy | Quick-release fastening means |
| US6345946B1 (en) * | 2000-08-03 | 2002-02-12 | Radio Systems Corporation | Fastener |
| CN201301851Y (en) * | 2008-11-21 | 2009-09-02 | 成都飞机工业（集团）有限责任公司 | Spring positioning pin |
| CN102356946A (en) * | 2011-09-09 | 2012-02-22 | 孟营 | Desk with adjustable desktop height and gradient |
| CN203441910U (en) * | 2013-02-01 | 2014-02-19 | 中国航空工业集团公司西安飞机设计研究所 | Stretchable self-locking and quick-release stop pin |
| CN104259719A (en) * | 2014-09-28 | 2015-01-07 | 徐州华恒机器人系统有限公司 | Multi-point synchronous automatic pressing mechanism |
| CN205116983U (en) * | 2015-11-13 | 2016-03-30 | 太仓新奇乐婴儿用品有限公司 | Lock catch structure |
| CN206092645U (en) * | 2016-10-13 | 2017-04-12 | 科康起重机械（上海）有限公司 | Quick bolt device |
| CN109891581A (en) * | 2016-11-28 | 2019-06-14 | 超威半导体公司 | Heat sink connector pin and component |
| CN211902091U (en) * | 2019-09-12 | 2020-11-10 | 天津环宇科技有限公司 | Alternating current-direct current and charge-discharge management integrated power panel |
| CN212717565U (en) * | 2020-07-02 | 2021-03-16 | 襄阳吉盛邦机械有限公司 | Pin shaft convenient to replace |
| CN212868141U (en) * | 2020-07-30 | 2021-04-02 | 北京卢米特生物技术有限公司 | Simple pin lock device |
-
2021
- 2021-04-29 CN CN202110474061.1A patent/CN113251047A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1048071A (en) * | 1963-06-12 | 1966-11-09 | John Joseph Mccarthy | Quick-release fastening means |
| US6345946B1 (en) * | 2000-08-03 | 2002-02-12 | Radio Systems Corporation | Fastener |
| CN201301851Y (en) * | 2008-11-21 | 2009-09-02 | 成都飞机工业（集团）有限责任公司 | Spring positioning pin |
| CN102356946A (en) * | 2011-09-09 | 2012-02-22 | 孟营 | Desk with adjustable desktop height and gradient |
| CN203441910U (en) * | 2013-02-01 | 2014-02-19 | 中国航空工业集团公司西安飞机设计研究所 | Stretchable self-locking and quick-release stop pin |
| CN104259719A (en) * | 2014-09-28 | 2015-01-07 | 徐州华恒机器人系统有限公司 | Multi-point synchronous automatic pressing mechanism |
| CN205116983U (en) * | 2015-11-13 | 2016-03-30 | 太仓新奇乐婴儿用品有限公司 | Lock catch structure |
| CN206092645U (en) * | 2016-10-13 | 2017-04-12 | 科康起重机械（上海）有限公司 | Quick bolt device |
| CN109891581A (en) * | 2016-11-28 | 2019-06-14 | 超威半导体公司 | Heat sink connector pin and component |
| CN211902091U (en) * | 2019-09-12 | 2020-11-10 | 天津环宇科技有限公司 | Alternating current-direct current and charge-discharge management integrated power panel |
| CN212717565U (en) * | 2020-07-02 | 2021-03-16 | 襄阳吉盛邦机械有限公司 | Pin shaft convenient to replace |
| CN212868141U (en) * | 2020-07-30 | 2021-04-02 | 北京卢米特生物技术有限公司 | Simple pin lock device |
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