CN111379775B - Fixed cover of round pin axle that structure is firm - Google Patents
Fixed cover of round pin axle that structure is firm Download PDFInfo
- Publication number
- CN111379775B CN111379775B CN202010109553.6A CN202010109553A CN111379775B CN 111379775 B CN111379775 B CN 111379775B CN 202010109553 A CN202010109553 A CN 202010109553A CN 111379775 B CN111379775 B CN 111379775B
- Authority
- CN
- China
- Prior art keywords
- pin shaft
- sleeve body
- rotating
- sealing ring
- pin
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000001035 drying Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000002274 desiccant Substances 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/008—Bolts without screw-thread; Pins, including deformable elements; Rivets with sealing means
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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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
-
- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/10—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device by a separate operation
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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
- 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
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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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B2013/006—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with sealing means
Abstract
The invention discloses a pin shaft fixing sleeve with a stable structure, which comprises a pin shaft and a fixing component arranged at the end part of the pin shaft, the fixing component comprises a sleeve body which is arranged at the end part of the pin shaft and is coaxial with the pin shaft, a sealing ring is sleeved outside the sleeve body, the sealing ring is connected with the sleeve body through threads, the right end of the sealing ring is provided with a sealing gasket which is used for abutting against the surface of a workpiece to isolate the pin shaft mounting hole from communicating with the outside, when in use, the pin shaft is inserted into the connecting hole, then the sealing ring is rotated to enable the sealing gasket at the end part of the pin shaft to be tightly pressed and contacted with the surface of a workpiece, and the pin shaft is isolated from the outside at the moment. The hinge pin has the advantages that the hinge pin is well protected, the fixing effect of the hinge pin is improved, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of connecting equipment, in particular to a pin shaft fixing sleeve with a stable structure.
Background
The pin shaft is connected in the mechanical field and is used quite widely, the pin shaft structure does not have a unified design standard, different machine types and designers design different pin shaft structures in the actual design of the pin shaft structure, the use effect is not very ideal, the pin shaft is a standard fastener, can be fixedly connected statically, can also move relative to a connected piece, is mainly used for the hinged part of two parts to form hinged connection, is usually locked by a split pin, works reliably, is convenient to disassemble, and can also be one of necessary accessories in an automobile, thereby having the function of fixing the automobile.
However, the existing pin shaft is easy to shake under the condition of long-time work, so that the pin shaft falls off, the service life is short, and the pin shaft is inconvenient to disassemble; to this problem, the fixed cover of modified round pin axle now provides, and this fixed cover of round pin axle not only can assist the round pin axle fixed, can also protect the round pin axle tip, avoids impurity to get into to influence the life of round pin axle in the round pin axle hole.
Disclosure of Invention
The invention aims to provide a pin shaft fixing sleeve with a stable structure so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a pin shaft fixing sleeve with a stable structure comprises a pin shaft and a fixing assembly arranged at the end part of the pin shaft, wherein the fixing assembly comprises a sleeve body which is arranged at the end part of the pin shaft and is coaxial with the pin shaft, a sealing ring is sleeved outside the sleeve body, the sealing ring is in threaded connection with the sleeve body, a sealing gasket which is used for abutting against the surface of a workpiece to isolate a pin shaft mounting hole from being communicated with the outside is arranged at the right end of the sealing ring, when the pin shaft fixing sleeve is used, the pin shaft is inserted into a connecting hole, then the sealing gasket at the end part of the pin shaft is in compressed contact with the surface of the workpiece by rotating the sealing ring, and the pin shaft is isolated from the outside;
the sleeve body is also provided with a drying mechanism for improving the dryness of the joint of the pin shaft, the drying mechanism comprises a drying cavity arranged inside the sleeve body, a drying agent is filled in the drying cavity, a breathable grid is arranged at the opening at the right end of the drying cavity, and the pin shaft is sealed in a closed environment by a sealing ring when the drying mechanism is connected with the drying cavity;
the fixing component also comprises a pressing mechanism arranged on the sleeve body and the pin shaft;
as a further scheme of the invention: the compressing mechanism is used for fixing the position of the pin shaft, the compressing mechanism comprises a mounting groove formed in the surface of the pin shaft and a sliding hole formed in the inner portion of the sleeve body, the sliding hole is communicated with the mounting groove, a pushing plate is arranged in the sliding hole in a sliding fit mode, the right end of the pushing plate extends into the mounting groove, a rotating plate is arranged in the mounting groove, the right end of the rotating plate is rotatably connected with the mounting groove through a reset hinge, the reset hinge is used for rotating the rotating plate anticlockwise so as to enable the rotating plate to be contained in the mounting groove, a supporting wheel is mounted on the upper right side of the pushing plate through a fixing block and is in abutting contact with the lower end face of the rotating plate, and the pushing plate is connected with a pushing piece used for driving the pushing piece to slide along the sliding hole.
As a further scheme of the invention: and an anti-skid layer is arranged on the outer side surface of the sealing ring.
As a further scheme of the invention: and one end of the drying cavity is also provided with a feed inlet and a sealing cover arranged at the feed inlet.
As a further scheme of the invention: and the end part of the rotating plate is provided with a pressing block for pressing the rotating plate.
As a further scheme of the invention: the pressing block is a cylinder made of elastic materials.
As a further scheme of the invention: the pushing piece comprises a sliding column arranged in the sliding hole in a sliding mode, the sections of the sliding column and the sliding hole are rectangular, a transmission screw hole is formed in the left end of the sliding column, a transmission screw rod is arranged in the transmission screw hole in a matched mode, the left end of the transmission screw rod is connected with a rotating disk, a rotating column is arranged at the right end of the rotating disk, a through hole allowing the transmission screw rod to penetrate through is formed in the rotating column, and the rotating column is rotatably connected with the sleeve body through a bearing.
As a further scheme of the invention: the surface of the rotating disc is provided with a convex layer used for increasing friction force.
Compared with the prior art, the invention has the beneficial effects that: the fixing device is designed aiming at the defects of the existing device, effectively realizes the fixation of the pin shaft, prevents impurities from entering the pin shaft hole, plays a good role in protecting the pin shaft, improves the fixing effect of the pin shaft, and has strong practicability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a partial enlarged view of the structure of fig. 2 according to the present invention.
Wherein: the device comprises a sleeve body 1, a rotating disc 2, a rotating column 3, a transmission screw rod 4, a sliding column 5, a transmission screw hole 6, a pushing plate 7, a ventilating grid 8, a supporting wheel 9, a mounting groove 10, a pin shaft 11, a reset hinge 12, a rotating plate 13, a pressing block 14, a sealing gasket 15, a sealing ring 16, a drying cavity 17 and a charging opening 18.
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.
Example 1
Referring to fig. 1-3, in the embodiment of the present invention, a pin fixing sleeve with a stable structure includes a pin 11 and a fixing component disposed at an end portion of the pin, where the fixing component includes a sleeve body 1 disposed at an end portion of the pin 11 and coaxial with the pin, a sealing ring 16 is sleeved outside the sleeve body 1, the sealing ring 16 is in threaded connection with the sleeve body 1, a sealing gasket 15 for pressing a surface of a workpiece to isolate a mounting hole of the pin 11 from communicating with the outside is disposed at a right end of the sealing ring 16, when in use, the pin 11 is inserted into the connecting hole, and then the sealing gasket 15 at the end portion of the pin is in tight contact with the surface of the workpiece by rotating the sealing ring 16, and at this time, the pin 11 is isolated from the outside;
in order to facilitate the rotation of the sealing ring 16, an anti-skid layer is arranged on the outer side surface of the sealing ring 16;
the drying mechanism for improving the dryness of the joint of the pin shaft 11 is further arranged on the sleeve body 1 and comprises a drying cavity 17 arranged inside the sleeve body 1, a drying agent is filled in the drying cavity 17, a ventilating grid 8 is arranged at the opening at the right end of the drying cavity 17, the pin shaft 11 is sealed in a closed environment by a sealing ring 16 during connection, at the moment, the drying cavity 17 is communicated with the drying cavity 17 through the ventilating grid 8, so that moisture in the sealed environment can be sucked away by the drying agent in the drying cavity 17, and even if the tightness of the sealing ring 16 is in a problem in the later period, the arrangement of the drying mechanism can also be compensated, so that the pin shaft is in the dry environment, and a feed opening 18 and a sealing cover arranged at the feed opening 18 are further arranged at one end of the drying cavity 17;
the fixing component also comprises a pressing mechanism arranged on the sleeve body 1 and the pin shaft 11, the pressing mechanism is used for fixing the position of the pin shaft 11, the compressing mechanism comprises an installation groove 10 arranged on the surface of the pin shaft 11 and a sliding hole arranged inside the sleeve body 1, the sliding hole is communicated with the mounting groove 10, a pushing plate 7 is in sliding fit with the inside of the sliding hole, the right end of the pushing plate 7 extends into the mounting groove 10, a rotating plate 13 is arranged in the mounting groove 10, the right end of the rotating plate 13 is rotatably connected with the mounting groove 10 through a reset hinge 12, the reset hinge 12 is used for rotating the rotating plate 13 anticlockwise, thereby the rotating plate 13 is collected in the mounting groove 10, the upper right side of the pushing plate 7 is provided with a supporting wheel 9 through a fixing block, the supporting wheel 9 is in abutting contact with the lower end face of the rotating plate 13, and the pushing plate 7 is connected with a pushing piece for driving the pushing piece to slide along the sliding hole;
after the pin shaft is installed, the pushing piece drives the pushing plate 7 to move, so that the supporting wheel 9 at the end part of the pushing plate 7 generates a pushing force on the rotating plate 13, the rotating plate 13 rotates upwards, the end part of the rotating plate 13 abuts against the inner wall of the pin shaft installation hole, and the pin shaft is positioned;
a pressing block 14 for pressing against the rotating plate 13 is arranged at the end part of the rotating plate 13, and the pressing block 14 is a cylinder made of elastic materials;
the pushing piece comprises a sliding column 5 arranged in a sliding hole in a sliding mode, the sections of the sliding column 5 and the sliding hole are rectangular, a transmission screw hole 6 is formed in the left end of the sliding column 5, a transmission screw rod 4 is arranged in the transmission screw hole 6 in a matched mode, the left end of the transmission screw rod 4 is connected with a rotating disc 2, a rotating column 3 is arranged at the right end of the rotating disc 2, a through hole through which the transmission screw rod 4 can penetrate conveniently is formed in the rotating column 3, and the rotating column 3 is rotatably connected with the sleeve body 1 through a bearing;
when the device is used, the rotating disc 2 drives the transmission screw rod 4 and the sliding column 5 to rotate relatively, and the sliding column 5 moves along the sliding hole under the action of the threads, so that power is provided for the sliding of the pushing plate 7;
the surface of the rotating disk 2 is provided with a convex layer for increasing friction force.
The working principle of the invention is as follows: this application is through constructing a sealed space at round pin axle head portion to avoid external and round pin axle mounting hole intercommunication, and set up dry mechanism, can carry out dehumidification to the enclosure space, make the round pin axle be in a dry environment, the effectual life that improves the round pin axle, and can also increase the degree of sticising of round pin axle and mounting hole inner wall, be convenient for fix the round pin axle.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The pin shaft fixing sleeve with the stable structure comprises a pin shaft (11) and a fixing assembly arranged at the end part of the pin shaft (11), and is characterized in that the fixing assembly comprises a sleeve body (1) which is arranged at the end part of the pin shaft (11) and is coaxially arranged with the pin shaft, a sealing ring (16) is sleeved on the outer side of the sleeve body (1), the sealing ring (16) is in threaded connection with the sleeve body (1), a sealing gasket (15) used for abutting against the surface of a workpiece to isolate a mounting hole of the pin shaft (11) from the outside is arranged at the right end of the sealing ring (16), the pin shaft (11) is inserted into a connecting hole when the pin shaft fixing sleeve is used, and then the sealing gasket (15) at the end part of the pin shaft is in pressing contact with the surface of the workpiece by rotating the sealing ring (16), and the pin shaft (11) is isolated from the outside at the moment;
the drying mechanism for improving the dryness of the joint of the pin shaft (11) is further arranged on the sleeve body (1), the drying mechanism comprises a drying cavity (17) arranged inside the sleeve body (1), a drying agent is filled in the drying cavity (17), a breathable grid (8) is arranged at an opening at the right end of the drying cavity (17), and the pin shaft (11) is sealed in a closed environment by a sealing ring (16) during connection;
the fixing component also comprises a pressing mechanism arranged on the sleeve body (1) and the pin shaft (11).
2. The fixed sleeve of pin shaft with stable structure as claimed in claim 1, wherein said compressing mechanism is used to fix the position of the pin shaft (11), said compressing mechanism comprises a mounting groove (10) formed on the surface of the pin shaft (11) and a sliding hole formed inside the sleeve body (1), said sliding hole is connected to the mounting groove (10), a pushing plate (7) is slidingly fitted inside said sliding hole, the right end of said pushing plate (7) extends into the mounting groove (10), a rotating plate (13) is arranged inside said mounting groove (10), the right end of said rotating plate (13) is rotatably connected to the mounting groove (10) via a reset hinge (12), said reset hinge (12) is used to rotate the rotating plate (13) counterclockwise, so as to put the rotating plate (13) into the mounting groove (10), a supporting wheel (9) is mounted on the upper right side of said pushing plate (7) via the fixed block, the supporting wheel (9) is in contact with the lower end face of the rotating plate (13) in an abutting mode, and the pushing plate (7) is connected with a pushing piece used for driving the pushing piece to slide along the sliding hole.
3. The structurally stable pin bushing according to claim 1, wherein said sealing ring (16) is provided on its outer side with an anti-slip layer.
4. The structurally stable pin bushing according to claim 1, wherein said drying chamber (17) is further provided at one end with a filling opening (18) and a sealing cap provided at the filling opening (18).
5. The pin fixing sleeve with stable structure according to claim 2, wherein the end of the rotating plate (13) is provided with a pressing block (14) for pressing against the rotating plate (13).
6. The structurally sound pin bushing according to claim 5, wherein said pressing piece (14) is a cylinder made of an elastic material.
7. The fixed sleeve of pin shaft with stable structure as claimed in claim 2, wherein the pushing member comprises a sliding post (5) slidably disposed in the sliding hole, the sliding post (5) and the sliding hole are rectangular in cross section, a transmission screw hole (6) is disposed at the left end of the sliding post (5), a transmission screw (4) is disposed in the transmission screw hole (6) in a matching manner, the left end of the transmission screw (4) is connected with the rotating disc (2), a rotating post (3) is disposed at the right end of the rotating disc (2), a through hole for the transmission screw (4) to pass through is disposed on the rotating post (3), and the rotating post (3) is rotatably connected with the sleeve body (1) through a bearing.
8. The structurally sound pin bushing according to claim 7, characterized in that the surface of the rotating disc (2) is provided with a raised layer for increasing the friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010109553.6A CN111379775B (en) | 2020-02-22 | 2020-02-22 | Fixed cover of round pin axle that structure is firm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010109553.6A CN111379775B (en) | 2020-02-22 | 2020-02-22 | Fixed cover of round pin axle that structure is firm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111379775A CN111379775A (en) | 2020-07-07 |
| CN111379775B true CN111379775B (en) | 2021-10-01 |
Family
ID=71221537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010109553.6A Active CN111379775B (en) | 2020-02-22 | 2020-02-22 | Fixed cover of round pin axle that structure is firm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111379775B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20010997U1 (en) * | 2000-06-21 | 2000-10-05 | Joker Ind Co | Expansion dowels |
| ITTO20060599A1 (en) * | 2006-08-11 | 2008-02-12 | Itw Construction Products Ital | ANCHOR OF ANCHOR OF WOOD OR METAL STRUCTURES WITH A WALL |
| CN201281064Y (en) * | 2008-11-03 | 2009-07-29 | 张卫 | Wedge-type expansion screw |
| CN105757041B (en) * | 2016-04-14 | 2018-01-02 | 深圳市优美环境治理有限公司 | Compression mechanism and its pivot pin |
| CN206522321U (en) * | 2017-02-16 | 2017-09-26 | 镇江成功汽车零部件有限公司 | A kind of waterproof cotter pin |
| CN206754089U (en) * | 2017-04-17 | 2017-12-15 | 四川建筑职业技术学院 | It is a kind of to expand formula expansion bolt certainly |
| TWI638950B (en) * | 2017-07-20 | 2018-10-21 | 伍鐌科技股份有限公司 | Fastening structure and assembling method of fastening structure |
| CN108842671B (en) * | 2018-07-11 | 2021-10-19 | 金奖 | Engineering highway section warning device with adjustable |
| CN110714969A (en) * | 2018-07-12 | 2020-01-21 | 赵晓龙 | Novel connecting bolt for shield segment |
| CN209781431U (en) * | 2018-12-12 | 2019-12-13 | 金华八达集团有限公司科技信息分公司 | Rust-proof protective sleeve for foundation bolt of power transmission tower |
-
2020
- 2020-02-22 CN CN202010109553.6A patent/CN111379775B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111379775A (en) | 2020-07-07 |
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