CN218905242U - Piston ring assembling and disassembling device - Google Patents
Piston ring assembling and disassembling device Download PDFInfo
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- CN218905242U CN218905242U CN202223242201.1U CN202223242201U CN218905242U CN 218905242 U CN218905242 U CN 218905242U CN 202223242201 U CN202223242201 U CN 202223242201U CN 218905242 U CN218905242 U CN 218905242U
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- clamp body
- piston ring
- clamping groove
- disassembling device
- piston
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Abstract
The utility model relates to the technical field of piston ring assembly and discloses a piston ring assembly and disassembly device, which comprises a first clamp body and a second clamp body which are connected in a hinged manner, wherein clamping grooves for clamping with the open ends of piston rings are formed in the first clamp body and the second clamp body in a hinged manner; when the first clamp body rotates in a direction relatively far away from the second clamp body, the clamping grooves on the two sides drive the two opening ends of the piston ring to be mutually far away so as to prop open the piston ring. Therefore, the lever principle can be utilized to prop open the piston ring, so that the operation is convenient and fast, the disassembly efficiency of the piston ring is greatly improved, the piston ring is not easy to damage, and the installation quality of the piston ring is ensured.
Description
Technical Field
The utility model relates to the technical field of piston ring assembly, in particular to a piston ring disassembly and assembly device.
Background
In the prior art, the piston ring of the diesel engine is sleeved in the piston ring groove of the piston in a mode of manually opening the ring opening and enlarging the size of the inner ring, so that the time and the labor are wasted, the piston ring is easy to damage, and the assembly quality is difficult to guarantee.
In summary, how to improve the quality and efficiency of the piston ring assembly is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide the piston ring assembling and disassembling device which can utilize the lever principle to open the piston ring, is time-saving and labor-saving, is convenient to operate, greatly improves the disassembling efficiency of the piston ring, is not easy to damage the piston ring, and ensures the mounting quality of the piston ring.
In order to achieve the above object, the present utility model provides the following technical solutions:
the piston ring assembling and disassembling device comprises a first clamp body and a second clamp body which are connected in a hinged manner, wherein clamping grooves used for being clamped with the opening end of a piston ring are formed in the first clamp body and the second clamp body in a hinged manner;
when the first clamp body rotates in a direction relatively far away from the second clamp body, the clamping grooves on two sides drive the two open ends of the piston ring to be mutually far away so as to prop open the piston ring.
Preferably, the clamping groove is a U-shaped clamping groove, and one side of the U-shaped clamping groove is provided with a limiting hook for preventing the opening end from falling off.
Preferably, when the first clamp body and the second clamp body are not opened, the clamping groove of the first clamp body and the clamping groove of the second clamp body are symmetrically arranged relative to the symmetry plane of the first clamp body and the second clamp body.
Preferably, the rotary clamp further comprises a rotary guide rod, wherein one end of the rotary guide rod is connected with the second clamp body, and the rotary guide rod is parallel to the plane where the second clamp body is located;
the first clamp body is provided with a limiting groove which is used for being matched with the rotary guide rod in a clamping way.
Preferably, the rotary guide rod is arranged between 1/2 length and 2/3 length of the second clamp body.
Preferably, the first clamp body and the second clamp body comprise horizontal sections arranged in parallel and bending sections used for installing the clamping grooves, and rotating pin holes used for installing rotating pins are formed in the connecting points of the horizontal sections and the bending sections.
When the piston ring assembling and disassembling device is used, the clamping grooves of the first clamp body and the clamping grooves of the second clamp body are used for clamping the two opening ends of the piston ring respectively, and then two hands respectively grip the first clamp body and the second clamp body, so that the first clamp body is controlled to rotate in a direction relatively far away from the second clamp body, and the piston ring is gradually stretched; when the expanding inner diameter of the piston ring is larger than the outer diameter of the piston, the piston ring is moved to the position of the piston ring groove from the head of the piston, and the first clamp body is slowly loosened, so that the piston ring enters the piston ring groove under the action of self-elasticity, and the assembly of the piston ring is completed.
On the contrary, when the piston ring needs to be disassembled, the clamping grooves of the clamp bodies are used for clamping the two opening ends of the piston ring, the first clamp body is controlled to rotate in the direction relatively far away from the second clamp body so as to prop up the piston ring, and then the piston ring is moved to the head of the piston, so that the disassembly is completed.
Therefore, the piston ring assembling and disassembling device provided by the utility model can be used for expanding the piston ring by utilizing the lever principle, is time-saving and labor-saving, is convenient to operate, greatly improves the disassembling efficiency of the piston ring, is not easy to damage the piston ring, and ensures the mounting quality of the piston ring.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a piston ring assembly and disassembly device according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of the first clamp body.
In fig. 1-2:
the clamp comprises a first clamp body 1, a second clamp body 2, a clamping groove 3, a rotary guide rod 4 and a limiting groove 5.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model has the core of providing a piston ring assembling and disassembling device, which can utilize the lever principle to prop open the piston ring, saves time and labor, is convenient to operate, greatly improves the disassembling efficiency of the piston ring, is not easy to damage the piston ring, and ensures the mounting quality of the piston ring.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an embodiment of a piston ring assembling and disassembling device according to the present utility model; fig. 2 is a schematic structural view of the first clamp body.
The utility model provides a piston ring assembling and disassembling device, which comprises a first clamp body 1 and a second clamp body 2 which are connected in a hinged manner, wherein clamping grooves 3 used for being clamped with the opening ends of piston rings are formed in the first clamp body 1 and the second clamp body 2 in a hinged manner;
when the first clamp body 1 rotates in a direction relatively far away from the second clamp body 2, the clamping grooves 3 on two sides drive the two opening ends of the piston ring to be mutually far away so as to prop open the piston ring.
The first caliper body 1 and the second caliper body 2 may be arranged in parallel as shown in fig. 1, or may be arranged in a cross manner, and the specific structure, shape and size thereof are determined according to the diameter of the piston ring to be assembled in actual production, which will not be described herein.
The clamping groove 3 is used for being clamped with the opening end of the piston ring, in order to facilitate the clamping of the clamping groove 3 and the piston ring, the clamping groove 3 is hinged with the first clamp body 1 or the second clamp body 2, so that the clamping groove 3 can rotate relative to the front end of the first clamp body 1 or the front end of the second clamp body 2, and the opening direction of the clamping groove 3 can be adjusted, so that the clamping groove can be better clamped with the piston ring.
Meanwhile, the clamping groove 3 is hinged with the first clamp body 1 or the second clamp body 2, the clamping groove 3 is convenient to replace and adapt according to the size of the piston ring, and the universality of the dismounting device is improved.
Considering that the open ends at the two ends of the piston ring are symmetrically arranged, it is preferable that the clamping groove 3 of the first clamp body 1 and the clamping groove 3 of the second clamp body 2 are symmetrically arranged with respect to the symmetry plane of the first clamp body 1 and the second clamp body 2 when the first clamp body 1 and the second clamp body 2 are not opened, so that the clamping grooves 3 at the two sides of the dismounting device can better open the piston ring.
In order to prevent the piston ring from falling out of the clamping groove 3 in the rotation process of the clamp body, preferably, the clamping groove 3 is a U-shaped clamping groove, and one side of the U-shaped clamping groove is provided with a limiting hook for preventing the opening end from falling out.
When the clamp is used, the clamping grooves 3 of the first clamp body 1 and the clamping grooves 3 of the second clamp body 2 are used for clamping two opening ends of the piston ring respectively, then two hands respectively grip the first clamp body 1 and the second clamp body 2, the first clamp body 1 is controlled to rotate in a direction relatively far away from the second clamp body 2, and the piston ring is gradually spread; when the expanding inner diameter of the piston ring is larger than the outer diameter of the piston, the piston ring is moved to the position of the piston ring groove from the head of the piston, and the first clamp body 1 is slowly loosened, so that the piston ring enters the piston ring groove under the action of self elastic force, and the assembly of the piston ring is completed.
On the contrary, when the piston ring needs to be disassembled, the clamping grooves 3 of the clamp bodies are used for clamping the two opening ends of the piston ring, the first clamp body 1 is controlled to rotate in the direction relatively far away from the second clamp body 2 so as to prop the piston ring, and then the piston ring is moved to the head of the piston, so that the disassembly is completed.
In this embodiment, usable lever principle struts the piston ring, labour saving and time saving, and the simple operation has greatly improved the dismantlement efficiency of piston ring, and not fragile piston ring, has guaranteed the installation quality of piston ring.
Preferably, the first clamp body 1 and the second clamp body 2 can be provided with a horizontal section and a bending section for installing the clamping groove 3, wherein the horizontal section and the bending section are arranged in parallel, and a rotating pin hole for installing a rotating pin is formed at a connecting point of the horizontal section and the bending section, as shown in fig. 1.
In order to ensure that the first and second clamp bodies 1 and 2 are labor-saving levers, the length of the horizontal section is required to be longer than that of the bending section.
On the basis of the embodiment, the rotary guiding rod 4 can also be included, one end of the rotary guiding rod 4 is connected with the second clamp body 2, and the rotary guiding rod 4 is parallel to the plane of the second clamp body 2;
the first clamp body 1 is provided with a limiting groove 5 which is used for being matched with the rotary guide rod 4 in a clamping way.
It should be noted that, the rotary guide rod 4 herein is not limited to a rod, but includes a plate and other structures, as long as it can be engaged with the limiting groove 5 to restrict the first and second pliers bodies 1 and 2 to remain coplanar all the time in the rotation process.
When the first clamp body 1 rotates in a direction relatively far away from the second clamp body 2, the first clamp body 1 drives the limiting groove 5 to slide along the rotary guide rod 4 due to the clamping connection of the limiting groove 5 and the rotary guide rod 4, so that the first clamp body 1 and the second clamp body 2 are always located in the same plane.
Referring to fig. 1, in order to adapt to the rotation of the first pliers body 1, the rotation guide rod 4 is usually an arc rod, the center of which may coincide with the rotation center of the first pliers body 1, or may be closer to the holding end of the first pliers body 1, and the angle of the corresponding central angle of the rotation guide rod 4 is not smaller than the maximum rotation angle of the first pliers body 1.
Of course, the angle of the central angle corresponding to the rotary guide rod 4 is not too large, so that the piston ring is prevented from being stretched too much, and the piston ring is prevented from being deformed.
The connection point position of the rotary guide rod 4 and the second clamp body 2 not only can affect the holding of the dismounting device, but also can affect the maximum rotation angle of the first clamp body 1, and preferably, the rotary guide rod 4 can be arranged between 1/2 length and 2/3 length of the second clamp body 2, so that the piston is convenient to hold, is far away from the piston and cannot be scratched.
In this embodiment, the clamping cooperation of the rotary guide rod 4 and the limiting groove 5 can limit the first clamp body 1 to rotate along the direction of the rotary guide rod 4, so that the first clamp body 1 and the second clamp body 2 are ensured to be always positioned in the same plane, and the piston deformation damage caused by different acting forces of the first clamp body 1 and the second clamp body is avoided.
It should be noted that, in this application, reference is made to the first and second of the first and second forceps bodies 1 and 2 only for distinguishing positions, and no limitation is imposed on the order.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The piston ring assembling and disassembling tool provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (6)
1. The piston ring assembling and disassembling device is characterized by comprising a first clamp body (1) and a second clamp body (2) which are connected in a hinged manner, wherein clamping grooves (3) used for being clamped with the opening ends of piston rings are formed in the first clamp body (1) and the second clamp body (2) in a hinged manner;
when the first clamp body (1) rotates in a direction relatively far away from the second clamp body (2), the clamping grooves (3) on two sides drive the two open ends of the piston ring to be mutually far away so as to prop open the piston ring.
2. The piston ring assembling and disassembling device according to claim 1, wherein the clamping groove (3) is a U-shaped clamping groove, and one side of the U-shaped clamping groove is provided with a limit hook for preventing the open end from being separated.
3. The piston ring assembling and disassembling device according to claim 1, characterized in that the clamping groove (3) of the first clamp body (1) and the clamping groove (3) of the second clamp body (2) are symmetrically arranged with respect to the symmetry plane of the first clamp body (1) and the second clamp body (2) when the first clamp body (1) and the second clamp body (2) are not opened.
4. A piston ring assembling and disassembling device according to any one of claims 1-3, further comprising a rotary guiding rod (4), one end of the rotary guiding rod (4) being connected to the second clamp body (2), and the rotary guiding rod (4) being parallel to the plane in which the second clamp body (2) is located;
the first clamp body (1) is provided with a limiting groove (5) which is used for being matched with the rotary guide rod (4) in a clamping mode.
5. The piston ring assembling and disassembling device according to claim 4, characterized in that the rotary guide bar (4) is provided between 1/2 and 2/3 of the length of the second clamp body (2).
6. A piston ring assembling and disassembling device according to any one of claims 1-3, characterized in that the first and second clamp bodies (1, 2) each comprise a horizontal section arranged in parallel and a bending section for mounting the clamping groove (3), and a rotating pin hole for mounting a rotating pin is arranged at the connection point of the horizontal section and the bending section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223242201.1U CN218905242U (en) | 2022-11-30 | 2022-11-30 | Piston ring assembling and disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223242201.1U CN218905242U (en) | 2022-11-30 | 2022-11-30 | Piston ring assembling and disassembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218905242U true CN218905242U (en) | 2023-04-25 |
Family
ID=86011807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223242201.1U Active CN218905242U (en) | 2022-11-30 | 2022-11-30 | Piston ring assembling and disassembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218905242U (en) |
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2022
- 2022-11-30 CN CN202223242201.1U patent/CN218905242U/en active Active
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