CN220929892U - Alloy locating pin easy to assemble and disassemble - Google Patents
Alloy locating pin easy to assemble and disassemble Download PDFInfo
- Publication number
- CN220929892U CN220929892U CN202322405273.1U CN202322405273U CN220929892U CN 220929892 U CN220929892 U CN 220929892U CN 202322405273 U CN202322405273 U CN 202322405273U CN 220929892 U CN220929892 U CN 220929892U
- Authority
- CN
- China
- Prior art keywords
- locating pin
- main body
- pin main
- planes
- assembly
- 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.)
- Active
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 230000007704 transition Effects 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000009825 accumulation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Insertion Pins And Rivets (AREA)
Abstract
The utility model relates to the technical field of locating pins, in particular to an easily-assembled and disassembled alloy locating pin, which comprises a locating pin main body; the locating pin main body is provided with a large chamfer and two planes, and the guide effect of the locating pin main body in the assembly process is enhanced through the design of the large chamfer, so that the assembly process is easier; by adding two planes on the outer circle of the positioning pin main body, the two planes can be processed by a surface grinding machine, so that the manufacturing is simple, and when in transition or interference assembly, air or liquid accumulation in a hole can be directly discharged by the design of the two planes, so that the air or liquid accumulation blocking of the transition or interference assembly is prevented, and the difficult assembly condition is avoided; simultaneously, two planar designs are convenient for later stage part, equipment dismantlement maintenance, utilize adjustable wrench or open spanner to press from both sides tight two planes, and the torque wrench can be with the easy dismantlement of locating pin main part, has improved the dismantlement efficiency of locating pin main part.
Description
Technical Field
The utility model relates to the technical field of locating pins, in particular to an easily-assembled and disassembled alloy locating pin.
Background
The market of the mechanical industry in China is huge, various precision machines are related to matched positioning, pin and hole positioning is one of the longest plane positioning methods, the pin is standardized, pin and hole matched positioning is the most common method in the high precision field, the pin and hole are manufactured by adopting a matched processing method, the matched precision is extremely high, the matched clearance between the pin and the pin hole is extremely small, particularly when the pin and the pin hole are related to transition or interference fit, an air or liquid cavity is extremely easy to form between the pin and the pin hole when the pin is installed, air cannot be naturally discharged, the pin is difficult to assemble, and the plane positioning quality can be influenced seriously; after the conventional locating pin is used for a period of time, the pin is extremely easy to deform and rust due to long-term thermal stress, alternating load, air and wet working environment, and the pin is extremely difficult to disassemble in the later period of part and equipment maintenance.
Disclosure of utility model
The utility model aims to provide an easily-assembled and disassembled alloy locating pin which can directly remove air or effusion in an installation hole after installation, thereby preventing air or effusion from blocking during transition or interference assembly and difficult assembly; in the subsequent disassembly process, the self structural characteristics can be utilized, and the disassembly is safe and easy.
In order to achieve the above object, the present utility model provides an easily detachable alloy positioning pin, comprising a positioning pin main body;
The locating pin main body is provided with a large chamfer, the large chamfer is positioned at the bottom of the locating pin main body, the locating pin main body is also provided with two planes, and the two planes are positioned at two sides of the locating pin main body.
Wherein the locating pin main body is also provided with a threaded hole; the threaded hole is located on the inner side of the locating pin main body, and the threaded hole is located on one end, far away from the large chamfer angle, of the locating pin main body.
Wherein, the locating pin main part adopts 42CrMo material.
According to the alloy locating pin easy to assemble and disassemble, the large chamfer angle is added on the end face of the locating pin main body, and the guide effect of the locating pin main body in the assembling process is enhanced through the design of the large chamfer angle, so that the assembling process is easier; by adding two planes on the outer circle of the locating pin main body, the two planes can be processed by a surface grinder, so that the manufacture is simple, and when in transition or interference assembly, air or liquid accumulation in a hole can be directly discharged by the design of the two planes, so that the air or liquid accumulation blocking caused by the transition or interference assembly is prevented, and the difficult assembly condition is avoided; simultaneously, two planar designs are convenient for later stage part, equipment dismantlement maintenance utilize adjustable wrench or open spanner to press from both sides tightly two the plane, the torsion spanner can with the locating pin main part is easily dismantled, has improved the dismantlement efficiency of locating pin main part. Through the design of screw hole, in some narrow and small spaces, when inconvenient spanner dismantles, connect screw or rings screw hole, pry or lift by crane through the lever, also can easily dismantle the locating pin main part. The locating pin main body is made of 42CrMo material, has enough surface hardness, strength and toughness through thermal refining, can bear larger impact and alternating load, and is suitable for various complex working condition environments. The utility model has simple processing and manufacturing, easy assembly and disassembly, greatly improves the working efficiency and reduces the maintenance cost; the disassembly method is simple and feasible, the damage risk of the locating pin main body is reduced, and the service life is prolonged; the composite material has enough surface hardness, strength and toughness, can bear larger impact and alternating load, and is suitable for various complex working condition environments.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view of an assembled structure of a prior art dowel.
FIG. 2 is an elevation view of an assembled structure of an easily removable alloy dowel of the present utility model.
Fig. 3 is a schematic view of the structure of fig. 2 along E-E.
FIG. 4 is a top view of an assembled structure of an easily removable alloy dowel of the present utility model.
FIG. 5 is a schematic view showing the removal of an easily removable alloy dowel according to the present utility model.
101-Locating pin body, 102-large chamfer, 103-plane, 104-threaded hole, 105-first work piece, 106-second work piece, 107-liquid chamber.
Detailed Description
The first embodiment of the application is as follows:
Referring to fig. 1-5, fig. 1 is a schematic diagram of an assembling structure of a positioning pin in the prior art, fig. 2 is a front view of an assembling structure of an easily detachable alloy positioning pin according to the present utility model, fig. 3 is a schematic diagram of an assembling structure along E-E of fig. 2, fig. 4 is a top view of an assembling structure of an easily detachable alloy positioning pin according to the present utility model, and fig. 5 is a schematic diagram of an disassembling of an easily detachable alloy positioning pin according to the present utility model. The utility model provides an easily-assembled and disassembled alloy positioning pin, which comprises a positioning pin main body 101; the locating pin main body 101 is provided with the large chamfer 102, the two planes 103 and the threaded hole 104, and through the scheme, air or effusion in the mounting hole can be directly discharged after the mounting, so that air or effusion blockage caused by transition or interference assembly is prevented, and the situation of difficult assembly is avoided.
For this embodiment, the locating pin main body 101 has a large chamfer 102, the large chamfer 102 is located at the bottom of the locating pin main body 101, the locating pin main body 101 further has two planes 103, and the two planes 103 are located at two sides of the locating pin main body 101. When the positioning pin is used, the positioning pin main body 101 is used for connecting the first workpiece 105 and the second workpiece 106, the large chamfer 102 is added on the end face of the positioning pin main body 101, and the guide effect of the positioning pin main body 101 in the assembly process is enhanced through the design of the large chamfer 102, so that the assembly process is easier; by adding two planes 103 on the outer circle of the positioning pin main body 101, the two planes 103 can be processed by a plane 103 grinding machine, so that the manufacturing is simple, and when in transition or interference assembly, the air or liquid accumulation in the hole can be directly discharged due to the design of the two planes 103, so that the air or liquid accumulation blocking caused by the transition or interference assembly is prevented, and the difficult assembly condition is avoided; simultaneously, two the design convenience of plane 103 later stage part, equipment dismantlement maintenance utilize adjustable wrench or open spanner to press from both sides tight two plane 103, the torque wrench can with locating pin main part 101 is easily dismantled, has improved the dismantlement efficiency of locating pin main part 101.
Wherein the threaded hole 104 is located inside the locating pin main body 101, and the threaded hole 104 is located at one end of the locating pin main body 101 away from the large chamfer 102. Through the design of the threaded hole 104, when the wrench is inconvenient to disassemble in some small spaces, the screw or the hanging ring is connected with the threaded hole 104, and the locating pin main body 101 can be easily disassembled by prying or lifting the lever.
Secondly, the locating pin main body 101 is made of 42CrMo material, and through thermal refining, the locating pin main body 101 has enough surface hardness, strength and toughness, can bear larger impact and alternating load, and is suitable for various complex working condition environments.
According to the alloy locating pin easy to assemble and disassemble, the large chamfer 102 is added on the end face of the locating pin main body 101, and the guide effect of the locating pin main body 101 in the assembling process is enhanced through the design of the large chamfer 102, so that the assembling process is easier; by adding two planes 103 on the outer circle of the positioning pin main body 101, the two planes 103 can be processed by a plane 103 grinding machine, so that the manufacturing is simple, and when in transition or interference assembly, the air or liquid accumulation in the hole can be directly discharged due to the design of the two planes 103, so that the air or liquid accumulation blocking caused by the transition or interference assembly is prevented, and the difficult assembly condition is avoided; simultaneously, two the design convenience of plane 103 later stage part, equipment dismantlement maintenance utilize adjustable wrench or open spanner to press from both sides tight two plane 103, the torque wrench can with locating pin main part 101 is easily dismantled, has improved the dismantlement efficiency of locating pin main part 101. Through the design of the threaded hole 104, when the wrench is inconvenient to disassemble in some small spaces, the screw or the hanging ring is connected with the threaded hole 104, and the locating pin main body 101 can be easily disassembled by prying or lifting the lever. The locating pin main body 101 is made of 42CrMo material, and through thermal refining, the locating pin main body 101 has enough surface hardness, strength and toughness, can bear larger impact and alternating load, and is suitable for various complex working condition environments. The utility model has simple processing and manufacturing, easy assembly and disassembly, greatly improves the working efficiency and reduces the maintenance cost; the disassembly method is simple and feasible, the damage risk of the positioning pin main body 101 is reduced, and the service life is prolonged; the composite material has enough surface hardness, strength and toughness, can bear larger impact and alternating load, and is suitable for various complex working condition environments.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.
Claims (2)
1. An easily-assembled and disassembled alloy positioning pin is characterized in that,
Comprises a locating pin main body;
The locating pin main body is provided with a large chamfer, the large chamfer is positioned at the bottom of the locating pin main body, the locating pin main body is also provided with two planes, and the two planes are positioned at two sides of the locating pin main body; the locating pin main body is also provided with a threaded hole; the threaded hole is located on the inner side of the locating pin main body, and the threaded hole is located on one end, far away from the large chamfer angle, of the locating pin main body.
2. An easily removable alloy dowel according to claim 1,
The locating pin main body is made of 42CrMo material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322405273.1U CN220929892U (en) | 2023-09-05 | 2023-09-05 | Alloy locating pin easy to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322405273.1U CN220929892U (en) | 2023-09-05 | 2023-09-05 | Alloy locating pin easy to assemble and disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929892U true CN220929892U (en) | 2024-05-10 |
Family
ID=90966686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322405273.1U Active CN220929892U (en) | 2023-09-05 | 2023-09-05 | Alloy locating pin easy to assemble and disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929892U (en) |
-
2023
- 2023-09-05 CN CN202322405273.1U patent/CN220929892U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105058025A (en) | Portable type hydraulic bearing mounting and dismounting device | |
| CN220929892U (en) | Alloy locating pin easy to assemble and disassemble | |
| CN210878758U (en) | Spheroidal location frock of semi-finishing ball valve | |
| CN201705820U (en) | Expansion sleeve for delivering torque between hole and shaft | |
| CN215467840U (en) | Special forming die of ring flange forging | |
| CN201304632Y (en) | Special working piece for detaching a main shaft of a tailstock on a lathe | |
| CN212665917U (en) | Special tool for dismounting nut of outer barrel of landing gear support of airplane | |
| CN210878451U (en) | Disassembly and assembly tool for overhauling large hydraulic dynamometer | |
| CN109175923B (en) | Forging die for simple die forging of fan movable blade and movable blade innovative machining method | |
| CN208743601U (en) | Revolve riveting formed punch | |
| CN208663661U (en) | Speed reducer shaft sleeve detaching device | |
| CN204170778U (en) | A kind of combined type emery wheel support of high speed mill | |
| CN218639028U (en) | Equipment for disassembling and assembling copper bush of single-screw shaft and double-screw shaft of grader | |
| CN110614501A (en) | Disassembly and assembly method and tool for overhauling large hydraulic dynamometer | |
| CN206216278U (en) | A kind of location at spherical surface device of broaching machine | |
| CN220051682U (en) | Tool for disassembling cross universal-joint shaft bearing | |
| CN221034110U (en) | New structure diaphragm pump valve box | |
| CN216399476U (en) | Dismounting device of large-scale speed reducer | |
| CN203818071U (en) | Transmission shaft tensioner | |
| CN204997312U (en) | Device is installed and removed to portable bearing hydraulic pressure | |
| CN221891833U (en) | Frock is dismantled to locating pin | |
| CN220452311U (en) | Frock convenient to large-scale unipolar centrifugal compressor adjustment thrust clearance | |
| CN101804703A (en) | Detachable-shaft oil paint roll | |
| CN204076175U (en) | The provision for disengagement of automobile gearbox axle system | |
| CN209682626U (en) | A kind of bore hole fixture head for glass workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |