CN109578410A - A kind of chocking construction - Google Patents
A kind of chocking construction Download PDFInfo
- Publication number
- CN109578410A CN109578410A CN201811444041.4A CN201811444041A CN109578410A CN 109578410 A CN109578410 A CN 109578410A CN 201811444041 A CN201811444041 A CN 201811444041A CN 109578410 A CN109578410 A CN 109578410A
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- CN
- China
- Prior art keywords
- stop
- circular arc
- shaped
- stopping
- 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
- 238000010276 construction Methods 0.000 title abstract 4
- 230000009191 jumping Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- 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
- F16B21/20—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 for bolts or shafts without holes, grooves, or notches for locking members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The application belongs to the stop design field of sleeve and axis, in particular to a kind of chocking construction, arc-shaped stop section is arranged in the locking groove opened up in braking roll in the chocking construction, when braking roll and stop cylinder move toward one another, the side of arc-shaped stop section side is contradicted with a stop trough wall surface, the side of the other side is contradicted with the stop protrusion wall surface being arranged on stop cylinder inner wall, to prevent braking roll from further moving toward one another with stop cylinder, realize locking function, wherein, stop cylinder covers locking groove, the design can limit the radial motion of arc-shaped stop section, prevent arc-shaped stop section from jumping out from locking groove, make the chocking construction that can bear biggish load with this.
Description
Technical Field
The application belongs to the technical field of locking design of sleeves and shafts, and particularly relates to a locking structure.
Background
Currently, eccentric collars are commonly used as a stop device to limit the relative movement of the sleeve and the shaft. The structure of the eccentric baffle ring 4 is shown in figure 1, the structure of the eccentric baffle ring 4 matched with the sleeve and the shaft is shown in figure 2, the eccentric baffle ring 4 is arranged on the shaft and arranged in the annular groove, and the two end faces of the eccentric baffle ring 4 bear loads during working, so that the sleeve and the shaft are locked, and the eccentric baffle ring has the following defects:
1) when the eccentric retaining ring 4 is installed, the eccentric retaining ring needs to be opened firstly and then can be sleeved into the annular groove formed in the shaft, the installation process is very inconvenient, and the eccentric retaining ring 4 is easily damaged;
2) when the load generated by the relative motion of the sleeve and the shaft is large, the edge of the eccentric baffle ring 4 is easy to cut and jump out of the annular groove on the shaft, thereby losing the stop function.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present application to provide a stop arrangement to overcome or mitigate at least one of the above-mentioned disadvantages.
The technical scheme of the application is as follows:
a stop structure, comprising:
the wall surface of the stop shaft is provided with at least one stop groove;
the stopping cylinder is sleeved on the stopping shaft, the inner wall of the stopping cylinder is provided with at least one protrusion, and the stopping cylinder covers the stopping groove;
the locking device comprises a plurality of circular arc-shaped locking sections, wherein one or more circular arc-shaped locking sections are arranged in one locking groove; wherein,
the stop shaft and the stop cylinder move oppositely, so that the side surface of one side of any circular arc stop section is abutted against the wall surface of one stop groove, and the side surface of the other side of the circular arc stop section is abutted against at least one stop convex wall surface.
Preferably, the stop groove is one, is arranged along the circumferential direction of the stop shaft, and is annular, and is called an annular stop groove.
Preferably, two circular arc-shaped stopping sections are arranged in the annular stopping groove, wherein one circular arc-shaped stopping section is called a first circular arc-shaped stopping section, and the other circular arc-shaped stopping section is called a second circular arc-shaped stopping section;
the central angle corresponding to the first circular arc-shaped stopping section is within 80 degrees;
the central angle corresponding to the second circular arc-shaped stopping section is within 80 degrees.
Preferably, the central angle of the first circular arc shaped stop segment is equal to 80 degrees;
the central angle of the second circular arc-shaped stopping section is equal to 80 degrees;
the first circular arc-shaped stopping section and the second circular arc-shaped stopping section form a stopping ring.
Preferably, the stop protrusion is one and is arranged along the circumference of the stop cylinder, and is in a ring shape, which is called as an annular stop protrusion.
Preferably, the stopping shaft and the stopping cylinder move towards each other, so that the side surface of one side of the stopping ring is abutted against the wall surface of the annular stopping groove, the side surface of the side is called a first abutting surface, the side surface of the other side of the stopping ring is abutted against the annular stopping convex wall surface, and the side surface of the side is called a second abutting surface;
the first contact surface is arc-shaped.
Preferably, the second interference surface is arc-shaped.
Preferably, the first interference surface is smooth.
Preferably, the second interference surface is smooth.
Preferably, the annular stop groove and the annular stop protrusion are smooth in surface.
The application has at least the following beneficial technical effects: the locking structure is characterized in that an arc-shaped locking section is arranged in a locking groove formed in a locking shaft, when the locking shaft moves opposite to a locking barrel, one side face of one side of the arc-shaped locking section is abutted against one wall face of the locking groove, and the other side face of the arc-shaped locking section is abutted against a locking convex wall face arranged on the inner wall of the locking barrel, so that the locking shaft and the locking barrel are prevented from further moving opposite to each other, and a locking function is realized.
Drawings
FIG. 1 is a schematic view of an eccentric retainer ring;
FIG. 2 is a schematic diagram of the operation of the eccentric baffle ring;
FIG. 3 is a schematic structural view of the stop structure of the present application;
FIG. 4 is a schematic view of the arcuate stop segment of FIG. 3;
fig. 5 is a sectional view taken along the line a-a in fig. 4.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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 application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 2 to 5.
A stop structure, comprising:
the wall surface of the stop shaft 1 is provided with at least one stop groove;
the stopping cylinder 2 is sleeved on the stopping shaft, the inner wall of the stopping cylinder is provided with at least one protrusion, and the stopping cylinder 2 covers the stopping groove;
a plurality of circular arc-shaped stopping sections 3, wherein one or more circular arc-shaped stopping sections 3 are arranged in one stopping groove; wherein,
the stop shaft 1 and the stop cylinder 2 move oppositely, so that the side surface of one side of any circular arc stop section is abutted against one wall surface of the stop groove, and the side surface of the other side of the circular arc stop section is abutted against at least one wall surface of the stop bulge.
Further, only one of the stop grooves is formed along the circumferential direction of the stop shaft 1, and is annular, which is called an annular stop groove.
Furthermore, two circular arc-shaped stopping sections are arranged in the annular stopping groove, wherein one circular arc-shaped stopping section is called a first circular arc-shaped stopping section, and the other circular arc-shaped stopping section is called a second circular arc-shaped stopping section; the central angle corresponding to the first circular arc-shaped stopping section is within 180 degrees; the central angle corresponding to the second circular arc-shaped stopping section is within 180 degrees. The central angle of the circular arc-shaped stopping arc section is limited within 180 degrees, so that the circular arc-shaped stopping arc section can be conveniently installed in the stopping groove.
Further, the central angle of the first circular arc-shaped stopping section is equal to 180 degrees; the central angle of the second circular arc-shaped stopping section is equal to 180 degrees; the first circular arc-shaped stopping section and the second circular arc-shaped stopping section form a stopping ring. The central angle of the first circular arc-shaped stopping section and the central angle of the second circular arc-shaped stopping section are set to be 180 degrees to form an annular stop ring, so that the stop ring can be limited to move in the circumferential direction in the stop groove, the abrasion is reduced, and the structure is stable.
Further, only one of the stopper projections is provided along the circumferential direction of the stopper cylinder 2, and has a ring shape, which is called an annular stopper projection. The design of the stop ring can effectively increase the contact area and reduce the stress value of unit area, so that the stop structure has higher load bearing capacity.
Further, the stop shaft 1 and the stop cylinder 2 move oppositely, so that the side surface of one side of the stop ring is abutted with the wall surface of the annular stop groove, the side surface of the side is called a first abutting surface, the side surface of the other side of the stop ring is abutted with the annular stop convex wall surface, and the side surface of the side is called a second abutting surface; the first contact surface is arc-shaped, and the second contact surface is arc-shaped. The first collision surface and the second collision surface are arranged into an arc shape, so that the snap-off angle of the stop ring can be prevented when the stop ring bears a large load, and the load can be decomposed to two directions of a radial direction and an axial direction when the stop ring bears the load, so that the load bearing capacity of the stop ring is further improved.
Further, the first abutting surface is smooth; the second contact surface is smooth; the annular stop groove and the annular stop protrusion have smooth surfaces. The smooth design can effectively reduce the friction between the structures, thereby reducing the abrasion and prolonging the service life of the structures.
The locking structure disclosed by the embodiment can be repeatedly applied to the drag rod, has small occupied space, high bearing capacity, convenient installation and reliable locking function, and can realize the locking function of the outer cylinder of the drag rod and the lock assembly check ring in a narrow space.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A stop structure, comprising:
the wall surface of the stop shaft (1) is provided with at least one stop groove;
the stop cylinder (2) is sleeved on the stop shaft, the inner wall of the stop cylinder is provided with at least one protrusion, and the stop cylinder (2) covers the stop groove;
a plurality of circular arc-shaped stopping sections (3), wherein one or more circular arc-shaped stopping sections (3) are arranged in one stopping groove; wherein,
the stop shaft (1) and the stop cylinder (2) move oppositely, so that the side surface of one side of any circular arc stop section is abutted against one wall surface of the stop groove, and the side surface of the other side of the circular arc stop section is abutted against at least one wall surface of the stop protrusion.
2. The stop structure according to claim 1, wherein one of the stop grooves is formed along a circumferential direction of the stop shaft (1) in an annular shape, and is referred to as an annular stop groove.
3. The stop structure according to claim 2, wherein two circular arc-shaped stop segments are arranged in the annular stop groove, one of the circular arc-shaped stop segments is called as a first circular arc-shaped stop segment, and the other circular arc-shaped stop segment is called as a second circular arc-shaped stop segment;
the central angle corresponding to the first circular arc-shaped stopping section is within 180 degrees;
the central angle corresponding to the second circular arc-shaped stopping section is within 180 degrees.
4. A stop arrangement according to claim 3,
the central angle of the first circular arc-shaped stopping section is equal to 180 degrees;
the central angle of the second circular arc-shaped stopping section is equal to 180 degrees;
the first circular arc-shaped stopping section and the second circular arc-shaped stopping section form a stopping ring.
5. A stop arrangement according to claim 4, wherein one of said stop protrusions is arranged circumferentially around said stop cylinder (2) in the form of a ring, called annular stop protrusion.
6. A stop arrangement according to claim 5,
the stop shaft (1) and the stop cylinder (2) move oppositely, so that the side surface of one side of the stop ring is abutted against the wall surface of the annular stop groove, the side surface of the side is called a first abutting surface, the side surface of the other side of the stop ring is abutted against the annular stop convex wall surface, and the side surface of the side is called a second abutting surface;
the first abutting surface is arc-shaped.
7. A stop arrangement according to claim 6, wherein said second abutment surface is arcuate.
8. A stop arrangement according to claim 7, wherein said first abutment surface is smooth.
9. A stop arrangement according to claim 8, wherein said second abutment surface is smooth.
10. A stop arrangement according to claim 9, wherein said annular stop groove and said annular stop projection are smooth in surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444041.4A CN109578410A (en) | 2018-11-29 | 2018-11-29 | A kind of chocking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811444041.4A CN109578410A (en) | 2018-11-29 | 2018-11-29 | A kind of chocking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578410A true CN109578410A (en) | 2019-04-05 |
Family
ID=65925683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811444041.4A Pending CN109578410A (en) | 2018-11-29 | 2018-11-29 | A kind of chocking construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963522A (en) * | 2020-07-17 | 2020-11-20 | 中国航空工业集团公司沈阳飞机设计研究所 | Locking mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812756A (en) * | 1970-02-11 | 1974-05-28 | M Wenger | Positive lock self-retained fastener |
| US5667332A (en) * | 1995-01-25 | 1997-09-16 | Aktiebolaget Electrolux | Locking device for a drive shaft |
| CN1463327A (en) * | 2001-06-29 | 2003-12-24 | 瓦莱奥电机设备公司 | Automobile starter having improved starter geared device |
| CN201582282U (en) * | 2010-01-17 | 2010-09-15 | 马玮 | Connecting bolt with locking sleeve |
| CN202402430U (en) * | 2011-11-07 | 2012-08-29 | 廖村淇 | Quick release pull cap |
| CN202597379U (en) * | 2012-03-27 | 2012-12-12 | 上海梅山钢铁股份有限公司 | Retainer ring for combined hole |
-
2018
- 2018-11-29 CN CN201811444041.4A patent/CN109578410A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812756A (en) * | 1970-02-11 | 1974-05-28 | M Wenger | Positive lock self-retained fastener |
| US5667332A (en) * | 1995-01-25 | 1997-09-16 | Aktiebolaget Electrolux | Locking device for a drive shaft |
| CN1463327A (en) * | 2001-06-29 | 2003-12-24 | 瓦莱奥电机设备公司 | Automobile starter having improved starter geared device |
| CN201582282U (en) * | 2010-01-17 | 2010-09-15 | 马玮 | Connecting bolt with locking sleeve |
| CN202402430U (en) * | 2011-11-07 | 2012-08-29 | 廖村淇 | Quick release pull cap |
| CN202597379U (en) * | 2012-03-27 | 2012-12-12 | 上海梅山钢铁股份有限公司 | Retainer ring for combined hole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963522A (en) * | 2020-07-17 | 2020-11-20 | 中国航空工业集团公司沈阳飞机设计研究所 | Locking mechanism |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |