CN112847252B - Round pin structure capable of being assembled and disassembled quickly - Google Patents
Round pin structure capable of being assembled and disassembled quickly Download PDFInfo
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- CN112847252B CN112847252B CN202110106163.8A CN202110106163A CN112847252B CN 112847252 B CN112847252 B CN 112847252B CN 202110106163 A CN202110106163 A CN 202110106163A CN 112847252 B CN112847252 B CN 112847252B
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- round pin
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- pin body
- pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/20—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same inserting or withdrawing split pins or circlips
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- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a round pin structure capable of being assembled and disassembled quickly, which comprises a round pin body and a clamping head, wherein the clamping head is sleeved on the round pin body, a clamping groove is formed in the periphery of one end of the round pin body, the clamping head comprises a pressing sleeve, the pressing sleeve is annular, an annular groove is formed in one side of the pressing sleeve, the pressing sleeve can be sleeved on the round pin body, a limiting sleeve is arranged in the limiting sleeve, one end of the limiting sleeve is embedded in the groove in a sliding mode, a plurality of clamping pieces are arranged at the other end of the limiting sleeve, the outer ends of the clamping pieces can be clamped into the clamping groove, a pressing cap is arranged, one end of the pressing cap is connected with one end of the limiting sleeve and can slide in the groove, a special tool is not needed for mounting and dismounting the round pin structure, the whole reliability is high, the round pin structure is simple to use, the operation time is shortened, the labor intensity is reduced, meanwhile, the clamping head can be repeatedly used, the material consumption cost is saved, the clamping head can bear large force, the reliability is high, and the use safety performance is improved.
Description
Technical Field
The invention belongs to the technical field of round pin connecting structures, and particularly relates to a round pin structure capable of being assembled and disassembled quickly.
Background
At present, a round pin connecting structure adopted in the domestic mechanical manufacturing industry is mainly a round pin, a gasket and a split pin, and as a mature and reliable hinge structure, the round pin connecting structure is mainly suitable for a structure with small axial stress and less disassembly and assembly times of the round pin. With the development of the industry, more devices capable of being quickly disassembled and assembled appear, the split pin disassembly adopted in the original round pin connecting structure causes a lot of time waste, and particularly when the devices have various similar structures, the disassembly of the split pin needs to adopt a special or similar tool, and an operator needs to carry the tool with him.
Disclosure of Invention
The invention aims to provide a round pin structure capable of being assembled and disassembled quickly aiming at the defects in the prior art, the round pin structure is high in overall reliability, simple to use, capable of shortening the operation time and reducing the labor intensity, and meanwhile, a chuck can be used repeatedly, so that the material consumption cost is saved.
In order to achieve the above object, the present invention provides a round pin structure capable of being quickly assembled and disassembled, including a round pin body and a chuck, wherein the chuck is sleeved on the round pin body, a clamping groove is arranged on the periphery of one end of the round pin body, and the chuck includes:
the pressing sleeve is annular, an annular groove is formed in one side of the pressing sleeve, and the pressing sleeve can be sleeved on the round pin body;
one end of the limiting sleeve is embedded in the groove in a sliding mode, a plurality of clamping pieces are arranged at the other end of the limiting sleeve, the outer ends of the clamping pieces shrink towards the inner direction of the limiting sleeve, and the outer ends of the clamping pieces can be clamped into the clamping grooves;
and the one end of the pressing cap is connected with the one end of the limiting sleeve and can slide in the groove.
Optionally, the round pin body comprises:
the pin body is cylindrical;
the pin head is arranged at one end of the pin body, and the clamping groove is formed between the pin head and the pin body;
the pin tail is arranged at the other end of the pin body, and the outer diameter of the pin tail is larger than that of the pin body.
Optionally, a side wall of the clamping groove close to the pin head is perpendicular to the groove bottom, and a side wall of the clamping groove far from the pin head is provided with a slope.
Optionally, a guide ring is arranged on the side wall of the groove close to the inside of the pressing sleeve.
Optionally, one end of the guide ring, which is far away from the groove bottom of the groove, is provided with a fillet or a chamfer.
Optionally, the periphery of the one end of the pressing cap is provided with a protruding portion, the outer side of the one end of the limiting sleeve is provided with a flange, one end of the flange is connected with the limiting sleeve, the other end of the flange is of a U-shaped structure, and the protruding portion is embedded in the U-shaped structure.
Optionally, a limiting ring is arranged on the side wall of the groove far away from the inside of the pressing sleeve, and a blocking portion matched with the U-shaped structure is arranged on the inner periphery of the limiting ring.
Optionally, a limiting portion is arranged on the inner periphery of the one end of the limiting sleeve, and the limiting portion is matched with one end, close to the groove bottom, of the guide ring.
Optionally, the pin head is truncated cone-shaped.
The invention provides a round pin structure capable of being assembled and disassembled quickly, which has the beneficial effects that:
1. the round pin structure does not need a special tool for installation and disassembly, has high overall reliability and simple use, shortens the operation time, reduces the labor intensity, and simultaneously can be repeatedly used by the chuck, thereby saving the material consumption cost;
2. the limiting sleeve of the round pin structure is of a reverse stress locking structure, the card can bear large force, the reliability is high, and the use safety performance is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings, wherein like reference numerals generally represent like parts in the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural view of a round pin structure capable of being quickly assembled and disassembled according to an embodiment of the invention.
Fig. 2 is a schematic structural view of a round pin body of a round pin structure capable of being quickly assembled and disassembled according to an embodiment of the invention.
Fig. 3 is a schematic view showing a structure of a quick-detachable round pin structure chuck according to an embodiment of the present invention.
Description of reference numerals:
1. pressing a sleeve; 2. a restraining sleeve; 3. pressing the cap; 4. a pin body; 5. a pin head; 6. pin tail; 7. a card slot; 8. a guide ring; 9. flanging; 10. a limit ring.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
FIG. 1 illustrates a schematic structural view of a quick-release round pin structure according to an embodiment of the present invention; FIG. 2 illustrates a schematic diagram of a round pin body of a quick-release round pin construction, according to one embodiment of the present invention; fig. 3 is a schematic view showing a construction of a quick-detachable round pin chuck according to an embodiment of the present invention.
As shown in fig. 1-3, a round pin structure that can fast loading and unloading, including round pin body and dop, the dop cover is established on round pin body, is provided with draw-in groove 7 on the periphery of the one end of round pin body, and the dop includes:
the pressing sleeve 1 is annular, an annular groove is formed in one side of the pressing sleeve 1, and the pressing sleeve 1 can be sleeved on the round pin body;
one end of the limiting sleeve 2 is embedded in the groove in a sliding mode, a plurality of clamping pieces are arranged at the other end of the limiting sleeve, the outer ends of the clamping pieces shrink towards the inner direction of the limiting sleeve 2, and the outer ends of the clamping pieces can be clamped into the clamping grooves 7;
and one end of the pressing cap 3 is connected with one end of the limiting sleeve 2 and can slide in the groove.
Concretely, the round pin body passes the connecting piece, later make restriction sleeve 2 and round pin body concentric, the extrusion presses cap 3, press cap 3 extrusion restriction sleeve 2, make the card open outward, make things convenient for the round pin body to pass through, and then utilize card elasticity to reset restriction round pin body, constitute reverse atress deadlocking structure, improve the structural reliability, when dismantling, the extrusion presses cap 3, it stops to remove after pressing cover 1 and connecting piece contact, later press cap 3 drive restriction sleeve 2 to drive the card and remove, make the card atress open outward, keep the extrusion, take out the round pin body and accomplish the dismantlement, need not professional instrument, the overall reliability is high, high durability, thus, the operation time is shortened, labor intensity is reduced, dop repeatedly usable simultaneously, and material consumption cost is saved.
Further, the press cap is cylindrical or annular.
In this embodiment, the round pin body includes:
the pin body 4 is cylindrical;
the pin head 5 is arranged at one end of the pin body 4, and a clamping groove 7 is formed between the pin head 5 and the pin body 4;
and the pin tail 6 is arranged at the other end of the pin body 4, and the outer diameter of the pin tail 6 is larger than that of the pin body 4.
Specifically, during use, the pin head 5 penetrates through the connecting piece, the pin body 4 is limited through the pin tail 6, and the pin head 5 and the clamping head are matched to fix the pin body 4.
In the present embodiment, the side wall of the slot 7 close to the pin head 5 is perpendicular to the slot bottom, and the side wall of the slot 7 far from the pin head 5 is provided with a slope.
In this embodiment, a guide ring 8 is provided on the side wall of the groove near the inside of the pressing sleeve 1.
Specifically, guide card is opened outward through guide ring 8 during the dismantlement, conveniently dismantles the round pin body.
In this embodiment, the end of the guide ring 8 remote from the groove bottom of the groove is provided with a fillet or chamfer.
Specifically, guide card is flare-out through guide ring 8 when conveniently dismantling.
In this embodiment, the periphery of one end of the pressing cap 3 is provided with a protruding portion, the outer side of one end of the limiting sleeve 2 is provided with a flange 9, one end of the flange 9 is connected with the limiting sleeve 2, the other end of the flange 9 is of a U-shaped structure, and the protruding portion is embedded in the U-shaped structure.
Specifically, inlay at U-shaped structure internal fixation restriction sleeve 2 and pressure cap 3 through the bellying, avoid restriction sleeve 2 and pressure cap 3 separation, press cap 3 to drop.
In this embodiment, a limiting ring 10 is disposed on a side wall of the groove far away from the interior of the pressing sleeve 1, and a blocking portion matched with the U-shaped structure is disposed on the inner periphery of the limiting ring 10.
Specifically, the pressing cap 3 and the limiting sleeve 2 are prevented from separating and falling off from the pressing sleeve 1 by the blocking part of the limiting ring 10.
In this embodiment, a limiting portion is provided on the inner periphery of one end of the limiting sleeve 2, and the limiting portion is engaged with one end of the guide ring 8 near the groove bottom of the groove.
Specifically, the pressure cap 3 and the limiting sleeve 2 are prevented from separating and falling off from the pressure sleeve 1.
In the present embodiment, the pin head 5 has a circular truncated cone shape.
When this embodiment round pin structure used, use the installation as an example, the round pin body passes the connecting piece, later make limiting sleeve 2 and round pin body concentric, the extrusion presses cap 3, press cap 3 extrusion limiting sleeve 2, make the card open outward, make things convenient for round pin head 5 to pass through limiting sleeve 2, and then utilize card elasticity to reset the joint in draw-in groove 7, and then limit round pin body, during the dismantlement, the extrusion presses cap 3, stop moving after pressing cover 1 and connecting piece contact, later press cap 3 drive limiting sleeve 2 to drive the card and remove, make the card atress open outward, keep the extrusion, take out round pin body and accomplish the dismantlement, need not professional instrument, overall reliability is high, moreover, the steam generator is simple to use, shorten the activity duration, and reduce labor intensity, dop repeatedly usable simultaneously, and save material consumption cost.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a but fast loading and unloading's round pin structure which characterized in that, includes round pin body and dop, the dop cover is established on the round pin body, be provided with the draw-in groove in the periphery of the one end of round pin body, the dop includes:
the pressing sleeve is annular, an annular groove is formed in one side of the pressing sleeve, and the pressing sleeve can be sleeved on the round pin body;
one end of the limiting sleeve is embedded in the groove in a sliding mode, a plurality of clamping pieces are arranged at the other end of the limiting sleeve, the outer ends of the clamping pieces shrink towards the inner direction of the limiting sleeve, and the outer ends of the clamping pieces can be clamped into the clamping grooves;
the one end of the pressing cap is connected with the one end of the limiting sleeve and can slide in the groove;
the periphery of the one end of the pressing cap is provided with a protruding portion, the outer side of the one end of the limiting sleeve is provided with a flanging, one end of the flanging is connected with the limiting sleeve, the other end of the flanging is of a U-shaped structure, and the protruding portion is embedded in the U-shaped structure.
2. A quick-release round pin structure according to claim 1, characterized in that the round pin body comprises:
the pin body is cylindrical;
the pin head is arranged at one end of the pin body, and the clamping groove is formed between the pin head and the pin body;
the pin tail is arranged at the other end of the pin body, and the outer diameter of the pin tail is larger than that of the pin body.
3. The round pin structure of claim 2, wherein the side wall of the locking groove close to the pin head is perpendicular to the groove bottom, and the side wall of the locking groove far from the pin head is provided with a slope.
4. The round pin structure as claimed in claim 1, wherein a guide ring is provided on the side wall of the groove near the inside of the press sleeve.
5. The round pin structure of claim 4, wherein the end of the guide ring away from the bottom of the groove is chamfered.
6. The round pin structure that can be assembled and disassembled quickly as claimed in claim 1, wherein a limiting ring is provided on the side wall of the groove far from the inside of the pressing sleeve, and a blocking part that matches with the U-shaped structure is provided on the inner circumference of the limiting ring.
7. The round pin structure as claimed in claim 5, wherein a stopper is provided on an inner circumference of the one end of the restraining sleeve, the stopper cooperating with an end of the guide ring adjacent to a bottom of the groove.
8. A round pin structure capable of being quickly assembled and disassembled as claimed in claim 2, wherein the pin head is in a shape of circular truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106163.8A CN112847252B (en) | 2021-01-26 | 2021-01-26 | Round pin structure capable of being assembled and disassembled quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106163.8A CN112847252B (en) | 2021-01-26 | 2021-01-26 | Round pin structure capable of being assembled and disassembled quickly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112847252A CN112847252A (en) | 2021-05-28 |
| CN112847252B true CN112847252B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110106163.8A Active CN112847252B (en) | 2021-01-26 | 2021-01-26 | Round pin structure capable of being assembled and disassembled quickly |
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| CN (1) | CN112847252B (en) |
Citations (2)
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| CN202114452U (en) * | 2011-05-09 | 2012-01-18 | 南车戚墅堰机车有限公司 | Dismounting device for piston pin of diesel engine |
| CN111759549A (en) * | 2020-06-09 | 2020-10-13 | 常州市第一人民医院 | Femoral prosthesis resetting device in artificial hip joint replacement |
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| JPH11207651A (en) * | 1998-01-28 | 1999-08-03 | Howa Mach Ltd | Quick attachable tool for c-shaped retaining ring |
| KR200306024Y1 (en) * | 2002-11-27 | 2003-03-03 | 박종석 | One touch type pipe joint |
| US7152309B2 (en) * | 2003-11-03 | 2006-12-26 | Hanlong Industrial Co., Ltd. | Press-connecting pliers for coaxial pins of multiple specifications |
| CN201354909Y (en) * | 2009-02-27 | 2009-12-02 | 宁波顺声气动元件有限公司 | Locking component and pneumatic fast plug for pneumatic fast plug |
| CN102434742B (en) * | 2011-12-06 | 2013-06-19 | 朱辉 | Pipe connector for quick connection |
| US8471133B1 (en) * | 2012-01-06 | 2013-06-25 | K.H.S. Musical Instrument Co., Ltd. | Quick-release cymbal felt locating device |
| CN102848120B (en) * | 2012-09-17 | 2015-07-15 | 宜宾普什联动科技有限公司 | Auxiliary fixture of scratch-free crotch and crotch processing method |
| CN102927392B (en) * | 2012-10-20 | 2015-08-12 | 史在恒 | A kind of rapid pipe joint |
| CN203245823U (en) * | 2013-05-06 | 2013-10-23 | 寿光市泰丰制动系统科技有限公司 | Manual fast fixed-point assembling device suitable for small-hole-diameter long-distance clamping spring |
| CN204512744U (en) * | 2015-03-26 | 2015-07-29 | 大连鸿森精密模具有限公司 | A kind of push type water pipe adapter |
| CN205678318U (en) * | 2016-06-16 | 2016-11-09 | 浙江万得凯铜业有限公司 | Snap joint |
| FR3083290B1 (en) * | 2018-06-29 | 2021-12-24 | Sogefi Air & Cooling | QUICK CONNECTION SYSTEM AND METHOD OF REALIZATION |
| CN208634602U (en) * | 2018-08-28 | 2019-03-22 | 葛小利 | A kind of novel fast intubation attachment device |
| CN210424102U (en) * | 2019-07-16 | 2020-04-28 | 温州南鑫流体连接件有限公司 | Pipe connector |
| CN211449289U (en) * | 2020-01-09 | 2020-09-08 | 中山市徕图摄影器材有限公司 | Marble formula fast-assembling coupling assembling |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202114452U (en) * | 2011-05-09 | 2012-01-18 | 南车戚墅堰机车有限公司 | Dismounting device for piston pin of diesel engine |
| CN111759549A (en) * | 2020-06-09 | 2020-10-13 | 常州市第一人民医院 | Femoral prosthesis resetting device in artificial hip joint replacement |
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| CN112847252A (en) | 2021-05-28 |
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