Disassembling tool

Abstract

The utility model relates to tool technology field, disclose a kind of dismounting tool, including shell and inflating assembly, the inner peripheral wall of shell is nested with flexible inner liner, and it is formed with inflatable space between flexible inner liner and shell, and one end of flexible inner liner is open and is provided for the dismounting workpiece plug-in, when dismounting tool is in dismounting state, inflating assembly can be inflated to inflatable space, to be disassembled workpiece is wrapped and compressed by flexible inner liner, avoid relative sliding between dismounting tool and to be disassembled workpiece, after dismounting tool is disassembled, then gas in inflatable space is discharged to outside, to release the compression of to be disassembled workpiece.The dismounting tool of the application, when needing to use dismounting tool, can wrap and compress to be disassembled workpiece, after dismounting tool is disassembled, then gas in inflatable space is discharged to outside, to release the compression of to be disassembled workpiece, the dismounting tool in the application is suitable for a variety of shapes to be disassembled workpiece, and the versatility is better.

Description

Technical Field

[0001] This utility model belongs to the field of disassembly and assembly tools, and specifically relates to a disassembly and assembly fixture. Background Technology

[0002] In the field of construction machinery, engine oil filters and fuel filters are often made into cylindrical structures with smooth outer surfaces, and these filters require regular maintenance during machine use. Disassembly and assembly require tools. Because the filter is cylindrical with a smooth surface, with only a short, non-circular section of a dodecagonal shape at the bottom, it cannot be directly disassembled using typical tools such as ordinary wrenches or screwdrivers.

[0003] Currently, the two most common tools for disassembling and assembling such components are belt wrenches and cap-type filter element wrenches. Belt wrenches mainly consist of a non-metallic belt, a handle, and a buckle. When disassembling or assembling a filter element, the non-metallic belt is fitted over the outer surface of the cylindrical filter element. The belt is then tightened, and the handle is used to press the belt against the filter element surface. Pulling the handle in the direction of belt tightening rotates the filter element, thus removing or assembling it. Cap-type filter element wrenches utilize the polygonal non-circular segment at the end of the filter element. The inner surface shape of the cap-type wrench is designed based on the dimensions of this polygonal non-circular segment. When using it, the filter element wrench is fitted over the end of the filter element, and then a torque wrench or other similar wrench is inserted into the wrench's fitting opening. Rotating the wrench removes the filter element. However, different specialized wrenches are required for different filter elements. Therefore, it is evident that the existing disassembly and assembly tools suffer from poor versatility. Utility Model Content

[0004] The purpose of this utility model is to provide a disassembly and assembly tool to solve the technical problem of poor tool versatility in the prior art.

[0005] To achieve the above objectives, this utility model provides a disassembly and assembly fixture, which includes: The shell has a flexible inner liner nested in its inner peripheral wall, and an air-filled space is formed between the flexible inner liner and the shell. One end of the flexible inner liner is open and allows the workpiece to be assembled or disassembled to be inserted. When the disassembly fixture is in the disassembly / assembly state, the inflation component inflates the inflation space to wrap and compress the workpiece to be disassembled / assembled through the flexible inner liner. After the disassembly / assembly fixture is disassembled / assembled, the inflation space vents air to the outside to release the compression of the workpiece to be disassembled / assembled.

[0006] In an embodiment of this utility model, the housing has a storage slot, and the housing is also provided with a partition that divides the storage slot into a first storage cavity and a second storage cavity. A flexible inner lining layer is disposed in the second storage cavity and forms a closed inflatable space with the partition. The inflatable component includes an inflatable element and an inflatable tube. The inflatable element is disposed in the first storage cavity. One end of the inflatable tube is connected to the inflatable element, and the other end passes through the partition and extends into the inflatable space.

[0007] In an embodiment of this utility model, the flexible inner liner is a ring structure. The first end of the flexible inner liner along the axial direction is closed and arranged towards the partition, and the second end has an opening for wrapping the workpiece to be disassembled. Multiple spaced ribs are provided on the first end of the flexible inner liner along the axial direction.

[0008] In an embodiment of this utility model, the flexible inner liner includes two coaxially nested inner and outer layers along the axial direction, with a gap between the inner and outer layers. A partition closes the end face of the first end of the flexible inner liner along the axial direction. The outer layer is an annular structure with open ends. The inner layer has a closed surface on the side facing the partition. A closed air space is formed between the closed surface, the partition, the outer peripheral wall of the inner layer, and the inner peripheral wall of the outer layer.

[0009] In embodiments of this utility model, both the sealing surface and the partition protrude in the same direction.

[0010] In an embodiment of this utility model, the reinforcing bar includes an integrally connected first segment and a second segment. The first segment is connected to both the outer peripheral wall of the inner layer and the inner peripheral wall of the outer layer and extends axially. The second segment is disposed on the closed surface and extends radially. Multiple second segments are symmetrically arranged around the center point of the closed surface. A clearance gap is left between the ends of the multiple first segments that are away from the second segment for the insertion of an air tube.

[0011] In an embodiment of this utility model, the first end of the housing along the length direction is provided with an opening for a storage groove, and the second end is provided with a tightening joint that connects with an external tightening component. The tightening protrusion protrudes in a direction away from the opening of the storage groove.

[0012] In an embodiment of this utility model, the shell also has an interface portion that communicates with the inflatable component.

[0013] In an embodiment of this utility model, the disassembly and assembly tool also includes a venting pipe that penetrates the shell, with the two ends of the venting pipe along its length connected to the inflation space and the external space, respectively.

[0014] In embodiments of this utility model, the flexible inner liner is made of a non-metallic deformable material.

[0015] Through the above technical solution, the disassembly and assembly fixture provided by the embodiments of this utility model has the following beneficial effects: This embodiment proposes a disassembly / assembly fixture, including a shell and an inflation component. A flexible inner liner is nested within the inner peripheral wall of the shell, forming an inflation space between the flexible inner liner and the shell. One end of the flexible inner liner is open for insertion into the workpiece to be disassembled / assembled. When the disassembly / assembly fixture is in the disassembly / assembly state, the inflation component inflates the inflation space to wrap around and press the workpiece to be disassembled / assembled through the flexible inner liner, preventing relative sliding between the disassembly / assembly fixture and the workpiece. After the disassembly / assembly fixture is disassembled / assembled, the gas in the inflation space is discharged to the outside to release the pressure on the workpiece. This application proposes a disassembly / assembly fixture that, when needed to disassemble / assemble a workpiece, can wrap around and press the outer wall of the workpiece to be disassembled / assembled, facilitating the application of force by the operator to the disassembly / assembly fixture for convenient disassembly / assembly of the workpiece. After the disassembly and assembly of the fixture is completed, the gas in the inflation space is discharged to the outside to release the pressure on the workpiece to be disassembled and assembled. The disassembly and assembly fixture in this application has good versatility and is suitable for workpieces of various shapes to be disassembled and assembled.

[0016] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the embodiments of the present invention and form part of the specification. They are used together with the following detailed description to explain the embodiments of the present invention, but do not constitute a limitation thereof. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any inventive effort. In the drawings: Figure 1 This is a cross-sectional view of the disassembly and assembly tooling according to this utility model; Figure 2 This is a structural schematic diagram of the disassembly and assembly tooling according to this utility model from one perspective; Figure 3 This is a schematic diagram of the flexible inner liner layer according to the present invention; Figure 4 This is a structural schematic diagram of the disassembly and assembly tooling according to this utility model from another perspective.

[0018] Explanation of reference numerals in the attached figures Detailed Implementation

[0019] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0020] The disassembly and assembly tooling according to this utility model is described below with reference to the accompanying drawings.

[0021] like Figure 1 As shown, this embodiment proposes a disassembly and assembly fixture, including a housing 1 and an inflation assembly 2. A flexible inner liner 3 is nested within the inner peripheral wall of the housing 1, forming an inflation space 31 between the flexible inner liner 3 and the housing 1. One end of the flexible inner liner 3 is open for insertion into the workpiece to be disassembled or assembled. When the disassembly and assembly fixture is in the disassembly / assembly state, the inflation assembly 2 can inflate the inflation space 31 to wrap around and press the workpiece to be disassembled or assembled through the flexible inner liner 3, preventing relative sliding between the disassembly / assembly fixture and the workpiece. After the disassembly / assembly fixture is disassembled or assembled, the gas in the inflation space 31 is discharged to the outside to release the pressure on the workpiece. The workpiece to be disassembled or assembled is, as mentioned in the background art, an engine oil filter or fuel filter. The oil filter or fuel filter is cylindrical with a smooth outer surface, thus requiring the disassembly and assembly fixture of this application. Of course, using the disassembly and assembly fixture of this application, efficient disassembly and assembly can also be achieved for workpieces of other shapes.

[0022] This application proposes a disassembly and assembly fixture. When it is necessary to disassemble or assemble a workpiece, the fixture can wrap around and press firmly against the outer wall of the workpiece, facilitating the application of force by the operator to easily disassemble or assemble the workpiece. After the disassembly and assembly is completed, the gas in the inflation space 31 is discharged to the outside to release the pressure on the workpiece, allowing the fixture to separate from the workpiece. The disassembly and assembly fixture of this application is applicable to workpieces of various shapes and has good versatility.

[0023] like Figure 1 and Figure 4 As shown, in this embodiment, the housing 1 has a storage slot, and the housing 1 is also provided with a partition 13 that divides the storage slot into a first storage cavity 11 and a second storage cavity 12. A flexible inner liner 3 is disposed in the second storage cavity 12 and forms a closed inflation space 31 with the partition 13. The inflation assembly 2 includes an inflation component 21 and an inflation tube 22. The inflation component 21 is disposed in the first storage cavity 11, and one end of the inflation tube 22 is connected to the inflation component 21, while the other end passes through the partition 13 and extends into the inflation space 31. The inflation component 21 can be an air pump as in the prior art. Furthermore, the inflation component 21 can also be provided with components such as pressure monitoring or a pressure inflation completion indicator light, so that the operator can determine that the disassembly and assembly fixture has wrapped and compressed the workpiece to be disassembled and assembled based on the pressure monitoring results or the flashing of the indicator light.

[0024] The partition 13 can be integrally designed with the inflatable component 21, allowing for convenient assembly into the storage slot of the housing 1. In this application, the partition 13 separates the inflatable component 21 from the flexible inner liner 3, ensuring that after the inflatable component 21 continuously supplies gas into the inflation space 31, the flexible inner liner 3 deforms without compressing the inflatable component 21. Furthermore, since the partition 13 and the flexible inner liner 3 together serve as the wall of the inflation space 31, it is necessary to ensure a firm connection and good sealing between the partition 13 and the housing 1 to prevent gas leakage from the inflation space 31. In this embodiment, the partition 13 can be integrally designed with the housing 1. With the partition 13 integrally designed with the housing 1, an opening on the housing 1 for the installation of the inflatable component 21 is sufficient to ensure its proper installation.

[0025] like Figure 1 and Figure 4 As shown, in this embodiment, the flexible inner liner 3 has a ring-shaped structure. The first end of the flexible inner liner 3 along the axial direction is closed and faces the partition 13, while the second end has an opening for wrapping the workpiece to be disassembled. The first end of the flexible inner liner 3 along the axial direction is provided with multiple spaced ribs. When the inflatable component 21 inflates into the inflation space 31, the flexible inner liner 3 will gradually deform, wrapping and pressing the workpiece to be disassembled through the opening at the second end of the flexible inner liner 3. This facilitates the application of force by the operator to the disassembly and assembly tooling, thereby achieving the disassembly or assembly of the workpiece.

[0026] like Figure 1 and Figure 3 As shown, in this embodiment, the flexible inner liner 3 includes two coaxially nested inner layers 33 and outer layers 34 along the axial direction. There is a gap between the inner layers 33 and the outer layers 34. The partition 13 closes the end face of the first end of the flexible inner liner 3 along the axial direction. The outer layer 34 is an annular structure with open ends. The inner layer 33 has a sealing surface 331 on the side facing the partition 13. A closed air space 31 is formed between the sealing surface 331, the partition 13, the outer peripheral wall of the inner layer 33 and the inner peripheral wall of the outer layer 34.

[0027] The spacing between the inner layer 33 and the outer layer 34 of the flexible inner liner 3 can be set according to actual needs. The outer layer 34 is fixed to the inner wall of the shell 1 with an adhesive material. When the operator applies a rotational force to the disassembly and assembly tool, the static friction and surface adsorption between the outer wall of the inner layer 33 and the workpiece to be disassembled will cause the workpiece to be disassembled to rotate together, thereby realizing the disassembly and assembly of the workpiece to be disassembled.

[0028] like Figure 1As shown, in this embodiment, both the sealing surface 331 and the partition 13 protrude in the same direction. Specifically, both the sealing surface 331 and the partition 13 protrude towards the bottom of the storage groove to ensure that after the inflation component 21 fills the inflation space 31 with a large amount of gas, the sealing surface 331 deforms and can be firmly pressed against the workpiece to be disassembled, thereby improving the stability of the locking between the disassembly / assembly fixture and the workpiece to be disassembled.

[0029] like Figure 3 As shown, in this embodiment, there are six ribs. Each rib includes an integrally connected first segment 321 and second segment 322. The first segment 321 is connected to the outer peripheral wall of the inner layer 33 and the inner peripheral wall of the outer layer 34 and extends axially. The second segment 322 is disposed on the closed surface 331 and extends radially. Multiple second segments 322 are symmetrically arranged around the center point of the closed surface 331. A clearance gap is left between the ends of the multiple first segments 321 that are away from the second segments 322 for the insertion of the air tube 22, so as to ensure that the cavities separated by the multiple ribs are connected.

[0030] The number of ribs can be adjusted according to actual needs. To ensure gas flow within the inflation space 31, vents 323 can be provided on either the first section 321 or the second section 322, such as... Figure 3 As shown, a vent 323 is provided on the first section 321 to ensure good gas flow between the cavities separated by multiple ribs in the inflation space 31. When the inflation component 21 fills the inflation space 31 with gas, the inner layer 33 can deform evenly and apply a more stable clamping force to the workpiece to be assembled or disassembled.

[0031] like Figure 1 and Figure 2 As shown, in this embodiment, the first end of the housing 1 along the length direction is provided with an opening of the storage slot, and the second end is provided with a tightening joint 14 that is connected to the external tightening component. The tightening protrusion protrudes in the direction away from the opening of the storage slot, which makes it convenient for the operator to apply force to the tightening joint 14 with the external tightening component, so that the disassembly and assembly tool can rotate around the axis, thereby efficiently completing the disassembly and assembly of the workpiece to be disassembled and assembled.

[0032] like Figure 2 As shown, in this embodiment, the housing 1 also has an interface 211 that communicates with the inflation member 21, so as to connect the gas in the external space through the interface 211, and then inflate the inflation space 31 through the inflation member 21. In addition, an external workpiece is provided to connect with the inflation member 21, and the start and stop of the inflation member 21 can be controlled by the external workpiece. The external workpiece can adopt a structure such as a switch to control the start and stop of the inflation member 21. The external workpiece is not shown in the figure.

[0033] like Figure 1 and Figure 3As shown, in this embodiment, the disassembly and assembly fixture also includes a vent pipe 4 that penetrates the housing 1. The two ends of the vent pipe 4 along its length are connected to the inflation space 31 and the external space, respectively. In this application, the vent pipe 4 penetrates the partition 13 and extends axially along the housing 1 through the first storage cavity 11, saving installation space for the vent pipe 4. The vent pipe 4 can adopt a structure such as a valve core as in the prior art.

[0034] In this embodiment, the flexible inner liner 3 is made of a non-metallic deformable material. It is necessary to ensure that the flexible inner liner 3 has good deformation ability and structural strength, and has a long service life.

[0035] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0038] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A disassembly and assembly tool, characterized in that, The disassembly / assembly fixtures include: The shell (1) has a flexible inner liner (3) nested in its inner peripheral wall. An air-filled space (31) is formed between the flexible inner liner (3) and the shell (1). One end of the flexible inner liner (3) is open and allows the workpiece to be disassembled to be inserted. When the disassembly fixture is in the disassembly state, the inflation component (2) inflates the inflation space (31) to wrap and press the workpiece to be disassembled through the flexible inner liner (3). After the disassembly fixture is disassembled, the inflation space (31) vents to the outside to release the pressure on the workpiece to be disassembled.

2. The disassembly and assembly fixture according to claim 1, characterized in that, The housing (1) has a storage slot inside, and the housing (1) is also provided with a partition (13) that divides the storage slot into a first storage cavity (11) and a second storage cavity (12). The flexible inner lining layer (3) is disposed in the second storage cavity (12) and surrounds the partition (13) to form a closed inflatable space (31). The inflatable component (2) includes an inflatable element (21) and an inflatable tube (22). The inflatable element (21) is disposed in the first storage cavity (11). One end of the inflatable tube (22) is connected to the inflatable element (21), and the other end passes through the partition (13) and extends into the inflatable space (31).

3. The disassembly and assembly fixture according to claim 2, characterized in that, The flexible inner liner (3) has a ring structure. The first end of the flexible inner liner (3) along the axial direction is closed and arranged towards the partition (13). The second end has an opening to wrap the workpiece to be disassembled. The first end of the flexible inner liner (3) along the axial direction is provided with a plurality of spaced ribs.

4. The disassembly and assembly fixture according to claim 3, characterized in that, The flexible inner liner (3) includes two coaxially nested inner layers (33) and outer layers (34) along the axial direction. There is a gap between the inner layers (33) and the outer layers (34). The partition (13) closes the end face of the first end of the flexible inner liner (3) along the axial direction. The outer layer (34) is an annular structure with open ends. The inner layer (33) has a closed surface (331) on the side facing the partition (13). The closed surface (331), the partition (13), the outer peripheral wall of the inner layer (33) and the inner peripheral wall of the outer layer (34) form a closed air space (31).

5. The disassembly and assembly fixture according to claim 4, characterized in that, The closed surface (331) and the partition (13) both protrude in the same direction.

6. The disassembly and assembly fixture according to claim 4, characterized in that, The rib includes an integrally connected first segment (321) and second segment (322). The first segment (321) is connected to the outer peripheral wall of the inner layer (33) and the inner peripheral wall of the outer layer (34) and extends axially. The second segment (322) is provided on the closed surface (331) and extends radially. Multiple second segments (322) are symmetrically arranged around the center point of the closed surface (331). The ends of multiple first segments (321) that are away from the second segment (322) are all left with clearance gaps for the insertion of the air tube (22).

7. The disassembly and assembly fixture according to claim 2, characterized in that, The housing (1) has an opening of the storage slot at the first end along the length direction, and a tightening joint (14) at the second end that is connected to an external tightening component. The tightening protrusion protrudes in a direction away from the opening of the storage slot.

8. The disassembly and assembly fixture according to claim 2, characterized in that, The housing (1) also has an interface (211) that communicates with the inflatable component (21).

9. The disassembly and assembly tooling according to any one of claims 1 to 8, characterized in that, The disassembly and assembly tooling also includes a vent pipe (4) that penetrates the housing (1), and the two ends of the vent pipe (4) along the length direction are respectively connected to the inflation space (31) and the external space.

10. The disassembly and assembly tooling according to any one of claims 1 to 8, characterized in that, The flexible inner lining (3) is made of a non-metallic deformable material.

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