CN218488299U - Piston pin clamp spring installation tool - Google Patents
Piston pin clamp spring installation tool Download PDFInfo
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- CN218488299U CN218488299U CN202222650366.6U CN202222650366U CN218488299U CN 218488299 U CN218488299 U CN 218488299U CN 202222650366 U CN202222650366 U CN 202222650366U CN 218488299 U CN218488299 U CN 218488299U
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- piston pin
- section
- press
- piston
- clamp spring
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Abstract
The utility model provides a piston pin jump ring installation tool, which is used for pressing a piston pin jump ring into a jump ring groove on the hole wall of a piston hole, and the piston pin jump ring installation tool is wholly of a stepped shaft structure and comprises a pressing section, a limiting section and a guiding section, wherein the diameters of the pressing section, the limiting section and the guiding section are sequentially reduced towards the direction of extending into the piston hole; the guide section is used for being inserted into a pin hole of a piston pin in the piston hole; the connecting part of the guide section and the limiting section forms a limiting surface which is used for abutting against the corresponding end surface of the piston pin when the guide section is completely inserted into the pin hole of the piston pin; the connecting part of the limiting section and the press-fitting section forms a press-fitting surface which is a smooth curved surface and is provided with at least one protruding part protruding towards a piston pin, and the protruding part of the press-fitting surface is used for press-fitting a piston pin snap spring sleeved on the limiting section into the snap spring groove when the engine piston pin mounting tool is rotated. The installation efficiency and the installation quality of the piston pin clamp spring are improved.
Description
Technical Field
The utility model relates to a piston pin jump ring installation technical field, concretely relates to piston pin jump ring installation frock.
Background
The piston pin clamp spring of the gasoline engine is used for fixing the position of the piston pin, and normal operation of the engine is guaranteed.
The mode of installation piston pin jump ring is usually at present: a piston pin clamp spring is clamped by using pliers, then the piston pin clamp spring is obliquely placed into a clamp spring groove on the hole wall of a piston hole, and then the piston pin clamp spring is rotated a little to be sent into the clamp spring groove. Because the piston pin clamp spring is usually a steel wire clamp spring, the elasticity is large, and the piston pin clamp spring is not easy to deform, so that manual press fitting is difficult, the phenomenon that the piston pin clamp spring is not in place in press fitting can also occur, the piston is not in place in installation or deforms in the installation process, and engine faults are easily caused. In addition, because the elasticity of the piston pin clamp spring is larger, the phenomenon that the piston pin clamp spring is directly popped out from the piston hole when the piston pin clamp spring is not in place sometimes occurs during installation.
Therefore, how to provide a piston pin clamp spring installation frock to improve the installation quality and the installation efficiency of piston pin clamp spring becomes the technical problem that technical staff in the field need to solve urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a piston pin jump ring installation frock to improve the installation quality and the installation effectiveness of piston pin jump ring.
In order to realize the aim, the utility model provides a piston pin clamp spring mounting tool which is used for pressing and mounting a piston pin clamp spring into a clamp spring groove on the hole wall of a piston hole,
the piston pin clamp spring mounting tool is integrally of a stepped shaft structure and comprises a press mounting section, a limiting section and a guiding section, wherein the diameter of the press mounting section is gradually reduced towards the direction extending into a piston hole;
wherein the guide section is adapted to be inserted into a pin bore of a wrist pin in the piston bore;
the connecting part of the guide section and the limiting section forms a limiting surface which is used for abutting against the corresponding end surface of the piston pin when the guide section is completely inserted into the pin hole of the piston pin;
the connecting part of the limiting section and the press-fitting section forms a press-fitting surface which is a smooth curved surface and is provided with at least one protruding part protruding towards a piston pin, and the protruding part of the press-fitting surface is used for press-fitting the piston pin clamp spring sleeved on the limiting section into the clamp spring groove when the piston pin clamp spring mounting tool is rotated.
Preferably, the press-fitting surface has two convex portions.
Preferably, the two convex parts are symmetrically arranged about the diameter line of the press-fitting section.
Preferably, the press mounting device further comprises a holding section, and the holding section is arranged at one end, deviating from the limiting section, of the press mounting section.
Preferably, the diameter of the holding section is larger than that of the press-fitting section.
The utility model discloses following beneficial effect has:
this piston pin jump ring installation frock, at actual pressure equipment piston pin jump ring in-process, at first establish the piston pin jump ring cover in spacing section, later insert the guide section in the pinhole of the piston pin in the piston hole, then the guide section is in inserting in-process pressure equipment face can be with the piston pin jump ring piston hole of impressing, when the guide section inserts the pinhole of piston pin completely, spacing face is inconsistent with the terminal surface that corresponds of piston pin, rotatory this piston pin jump ring installation frock, then protruding position on the pressure equipment face can not get into the part pressure equipment in jump ring groove with the piston pin jump ring to the jump ring inslot, thereby realize the installation of piston pin jump ring.
According to the technical scheme, compared with the introduction content of the background technology, the piston pin clamp spring mounting tool can press the piston pin clamp spring into the clamp spring groove on the hole wall of the piston hole in a rotating press mounting mode, the mounting efficiency is high, and the mounting quality is high. And, the press fitting surface forms the barrier to the piston pin jump ring in the press fitting process, has avoided the piston pin jump ring because the risk that self elasticity popped out from the piston bore.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic perspective view of a piston;
FIG. 2 is a bottom view of the piston;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic view of a first three-dimensional structure of the piston pin clamp spring mounting tool provided in the embodiment of the present invention;
fig. 5 is a schematic view of a second three-dimensional structure of the piston pin clamp spring mounting tool provided in the embodiment of the present invention;
fig. 6 is an explosion schematic view of the piston pin clamp spring mounting tool and the piston provided by the embodiment of the present invention;
fig. 7 is a schematic structural diagram of the piston pin clamp spring mounting tool provided in the embodiment of the present invention;
fig. 8 is a schematic structural diagram of the piston pin clamp spring mounting tool provided in the embodiment of the present invention, in which the piston pin clamp spring is mounted in place;
reference numerals
1-a piston; 2-a piston bore; 3-a piston pin; 4-a snap ring groove; 5, installing a tool; 6-press mounting section; 7-a limiting section; 8-a guide section; 9-pin holes; 10-a limiting surface; 11-press-fitting of noodles; 12-raised areas; 13-a clamp spring; 14-a holding section.
Detailed Description
The utility model discloses a core lies in providing a piston pin jump ring installation frock to improve the installation quality and the installation effectiveness of piston pin jump ring.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is a schematic perspective view of a piston 1; fig. 2 is a bottom view of the piston 1; fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.
Piston pin 3 is installed in piston hole 2 of certain engine piston 1, and piston hole 2 is provided with jump ring groove 4 on the pore wall of the axial both sides of piston pin 3, is used for installing the piston pin jump ring in order to fix the position of piston pin 2 in jump ring groove 4 to guarantee the engine normal operating.
The utility model aims at providing a piston pin jump ring installation frock to convenient with in the jump ring groove 4 of piston pin jump ring pressure equipment to 2 pore walls of piston bore.
Please refer to fig. 4-8, fig. 4 is a schematic view of a first three-dimensional structure of a piston pin clamp spring installation tool provided by an embodiment of the present invention; fig. 5 is a schematic view of a second three-dimensional structure of the piston pin clamp spring mounting tool provided in the embodiment of the present invention; fig. 6 is an explosion schematic view of the piston pin clamp spring mounting tool and the piston provided by the embodiment of the present invention; fig. 7 is a schematic structural diagram of the piston pin clamp spring mounting tool provided in the embodiment of the present invention; fig. 8 is the embodiment of the utility model provides a piston pin jump ring installation frock is with the structure schematic diagram that the piston pin jump ring installed in place.
The embodiment of the utility model discloses piston pin jump ring installation frock 5 for in jump ring groove 4 on the pore wall with piston pin jump ring pressure equipment to piston hole 2. This piston pin jump ring installation frock is whole to be the step shaft structure, and it includes pressure equipment section 6, spacing section 7 and the direction section 8 that diminishes in proper order towards the direction diameter that stretches into piston hole 2. Wherein the guide section 8 is intended to be inserted into the pin bore 9 of the piston pin 3. The connection of the guide section 8 and the limiting section 7 forms a limiting surface 10, and when the guide section 8 is fully inserted into the pin hole 9 of the piston pin 3, the limiting surface 10 is used for abutting against the corresponding end surface of the piston pin 9. The joint of the limiting section 7 and the press-fitting section 6 forms a press-fitting surface 11, the press-fitting surface 11 is a smooth curved surface and is provided with at least one convex part 12 protruding towards the piston pin 3, and the convex part 12 of the press-fitting surface 11 is used for press-fitting a piston pin snap spring 13 sleeved on the limiting section 7 into the snap spring groove 4 when the engine piston pin mounting tool 5 is rotated.
This piston pin jump ring installation frock 5, at actual pressure equipment piston pin jump ring 13 in-process, at first establish piston pin jump ring 13 cover on spacing section 7, later insert guide section 8 in the pinhole 9 of piston pin 3 in the piston hole, then guide section 8 can impress piston pin jump ring 13 in the piston hole 2 at insertion in-process pressure equipment face 11, when guide section 8 inserts in the pinhole 9 of piston pin 3 completely, spacing face 10 is inconsistent with the corresponding terminal surface of piston pin 3, rotatory this piston pin jump ring installation frock, then protruding position 12 on the pressure equipment face 11 can not get into the part pressure equipment of jump ring groove 4 with piston pin jump ring 13 to jump ring inslot 13, thereby realize the installation of piston pin jump ring 13.
According to the technical scheme, compared with the introduction content of the background art, the piston pin clamp spring installation tool 5 can press the piston pin clamp spring 13 into the clamp spring groove 4 on the hole wall of the piston hole 2 in a rotating press-fitting mode, the installation efficiency is high, and the installation quality is high. In addition, the press-fitting surface 11 forms a barrier for the piston pin clamp spring 13 in the press-fitting process, so that the risk that the piston pin clamp spring 13 pops out of the piston hole 2 due to the elasticity of the piston pin clamp spring 13 is avoided.
The number of the convex portions 12 on the press-fitting surface 11 is at least one, and may be one or more. For example, when only one protruding portion 12 is provided on the press-fitting surface 11, when the guide section 8 is completely inserted into the pin hole 9 of the piston pin 3, the piston pin clamp spring mounting tool is rotated by one turn, and all parts of the piston pin clamp spring 13 can be just pressed into the clamp spring groove 4.
For another example, the press-fitting surface 11 has two raised portions 12, and the two raised portions 12 are symmetrically arranged with respect to a diametrical line of the press-fitting section 6. When the guide section 8 is completely inserted into the pin hole 9 of the piston pin 3, the piston pin clamp spring mounting tool is rotated by a half turn, so that all parts of the piston pin clamp spring 13 can be just pressed in the clamp spring groove 4, and the mounting efficiency is further improved.
It is understood that the above-mentioned design of one or two convex portions 12 of the press-fitting surface 11 is only an example of the embodiment of the present invention, and the design can be adapted according to the actual situation in the practical application process.
In some specific embodiments, in order to facilitate the operation of the piston pin clamp spring mounting tool, the piston pin clamp spring mounting tool 5 further includes a holding section 14, and the holding section 14 is disposed at an end of the press-fitting section 6 facing away from the limiting section 7. The diameter of the holding section 14 can be designed to be larger than that of the press-fitting section 6, so that the holding is convenient and the manipulation is more convenient.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It should be understood that the use of "system," "device," "unit," and/or "module" herein is merely one way to distinguish between different components, elements, components, parts, or assemblies of different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" are intended to cover only the explicitly identified steps or elements as not constituting an exclusive list and that the method or apparatus may comprise further steps or elements. An element defined by the phrase "comprising a … …" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Wherein in the description of the embodiments of the present application, "/" indicates an inclusive meaning, for example, a/B may indicate a or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
If used in this application, the flowcharts are intended to illustrate operations performed by the system according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (5)
1. A piston pin clamp spring installation tool is used for pressing a piston pin clamp spring into a clamp spring groove on the hole wall of a piston hole and is characterized in that,
the piston pin clamp spring mounting tool is integrally of a stepped shaft structure and comprises a press mounting section, a limiting section and a guiding section, wherein the diameter of the press mounting section is gradually reduced towards the direction extending into a piston hole;
wherein the guide section is adapted to be inserted into a pin bore of a wrist pin within the piston bore;
the connecting part of the guide section and the limiting section forms a limiting surface which is used for abutting against the corresponding end surface of the piston pin when the guide section is completely inserted into the pin hole of the piston pin;
the connecting part of the limiting section and the press-fitting section forms a press-fitting surface which is a smooth curved surface and is provided with at least one protruding part protruding towards a piston pin, and the protruding part of the press-fitting surface is used for press-fitting the piston pin clamp spring sleeved on the limiting section into the clamp spring groove when the piston pin clamp spring mounting tool is rotated.
2. The piston pin circlip mounting tool as claimed in claim 1 wherein said press-fit face has two raised portions.
3. The piston pin circlip mounting tool according to claim 2, wherein two of the raised portions are symmetrically arranged about a diametrical line of the press fitting section.
4. The piston pin clamp spring mounting tool according to any one of claims 1 to 3, further comprising a holding section, wherein the holding section is arranged at one end of the press-fitting section, which is far away from the limiting section.
5. The piston pin circlip mounting tool of claim 4 wherein the diameter of the gripping section is greater than the diameter of the press fitting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222650366.6U CN218488299U (en) | 2022-10-08 | 2022-10-08 | Piston pin clamp spring installation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222650366.6U CN218488299U (en) | 2022-10-08 | 2022-10-08 | Piston pin clamp spring installation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218488299U true CN218488299U (en) | 2023-02-17 |
Family
ID=85191669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222650366.6U Active CN218488299U (en) | 2022-10-08 | 2022-10-08 | Piston pin clamp spring installation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218488299U (en) |
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2022
- 2022-10-08 CN CN202222650366.6U patent/CN218488299U/en active Active
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