Spacer ring dismounting tool
By designing a spacer ring disassembly tool and utilizing the cooperation of the first through hole and the second through hole, the spacer ring is easily disassembled, which solves the problem that the shaft end spacer ring is difficult to disassemble and easily damages the line, and achieves a time-saving and labor-saving disassembly effect.
Patent Information
- Application Number
- CN202422883710.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In the prior art, the shaft end spacer ring fits tightly with the rotating shaft and the mating surface is infiltrated with anaerobic adhesive, which makes disassembly difficult and easily damages the circuit. The traditional method is time-consuming and labor-intensive and easily breaks or tears the control circuit.
A spacer ring disassembly tool is designed, including a main body, a first through hole and a second through hole. The aperture of the first through hole gradually decreases, and the second through hole is connected to the first through hole and is suitable for abutting against the spacer ring. By applying a force, the spacer ring is easily disassembled, reducing damage to the line.
The spacer ring can be disassembled simply and conveniently, thus reducing damage to the line and improving disassembly efficiency and safety.
Smart Images
Figure CN223354174U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of molecular pumps, and in particular to a spacer ring disassembly tool. Background Art
[0002] Molecular pumps, as vacuum-generating equipment, are widely used in industries such as semiconductors and coatings. During operation, molecular pumps require frequent maintenance by replacing vulnerable and consumable parts. For example, protective bearings require frequent replacement, and the shaft end spacer ring must be removed before disassembling the protective bearing. However, during disassembly, the shaft end spacer ring fits tightly against the rotating shaft, anaerobic adhesive has penetrated the mating surface, and there is limited operating space within the base. Two flat-blade screwdrivers are typically used to pry the shaft end spacer ring out from both sides. This operation is time-consuming and laborious, and the screwdrivers leave uneven marks on the contact surface, which can easily break or sever the control circuit. Utility Model Content
[0003] The present application provides a spacer ring disassembly tool, which solves the technical problems of difficult spacer ring disassembly and easy damage to the line, and achieves the technical effect of simple and convenient spacer ring disassembly and reduced damage to the line.
[0004] In order to achieve the above objectives, the main technical solutions adopted in this application include:
[0005] An embodiment of the present application provides a spacer ring disassembly tool, which includes a main body, the main body having a first through hole and a second through hole, along the thickness direction of the main body, the first through hole and the second through hole both pass through the main body, and the first through hole and the second through hole are connected; wherein, along the thickness direction of the main body, the first through hole has a first end and a second end, the aperture of the first end is larger than the aperture of the second end, and the aperture of the second through hole is larger than the aperture of the first end.
[0006] The spacer ring removal tool proposed in the embodiment of the present application has a first through-hole formed in the main body. The diameter of the first end of the first through-hole is larger than the diameter of the second end, and the second end is suitable for abutting the spacer ring. Due to the smaller diameter of the second end, the spacer ring removal tool is not easily placed in the base to abut the spacer ring. Therefore, a second through-hole is formed in the main body, connected to the first through-hole, to facilitate the placement of the spacer ring removal tool in the base to abut the spacer ring. When the spacer ring needs to be removed, the spacer ring removal tool only needs to be placed in the base to abut the spacer ring. By applying force to the main body, the spacer ring is removed from the rotating shaft. The entire disassembly process is simple and convenient, saving time and effort, and reducing damage to the wiring.
[0007] Optionally, the first through hole includes a first section and a second section connected in sequence, the first section having a larger aperture than the second section, and the second through hole having a larger aperture than the first section. The first section of the first through hole has a larger aperture than the second section, thereby forming a step between the first section and the second end. The second through hole has a larger aperture than the first section, so that the main body can be placed inside the base and abut against the spacer ring.
[0008] Optionally, the aperture of the second section gradually decreases from the first end to the second end. The second section is configured as a tapered structure, so that the second section can be cut into the outer circumference of the spacer ring, and there is a larger contact area between the second section and the spacer ring, thereby making it easier to remove the spacer ring.
[0009] Optionally, the first section is connected to the second through hole, and the second section is connected to the second through hole. Both the first section and the second section are connected to the second through hole, which is equivalent to increasing the size of the through hole of the main body, making it easier to place the spacer ring removal tool into the base and abut against the spacer ring.
[0010] Optionally, a first connecting line and a second connecting line are defined between the inner wall of the second segment and the inner wall of the second through hole, and the minimum distance between the first connecting line and the second connecting line is less than the aperture of the second end. The minimum distance between the first connecting line and the second connecting line is at the second end and is less than the aperture of the second end, so that a majority of the circumference of the second end of the first through hole abuts against the spacer ring, thereby facilitating removal of the spacer ring.
[0011] Optionally, the diameter of the first through hole gradually decreases from the first end to the second end. The first through hole is configured as a tapered hole as a whole, and the second end abuts against the outer circumference of the spacer ring to remove the spacer ring.
[0012] Optionally, the axis of the first through hole is spaced apart from the axis of the second through hole. Compared with the first through hole, the second through hole is an eccentric hole, which is equivalent to increasing the size of the through hole of the main body, making it easier for the spacer ring removal tool to be placed in the base and abut against the spacer ring.
[0013] Optionally, a disassembly hole is provided on the body portion, and the disassembly hole passes through the body portion along the thickness direction of the body portion. By applying a force to the disassembly hole of the body portion, the body portion is driven to move, and the body portion presses the spacer ring through the second end, thereby removing the spacer ring.
[0014] Optionally, the disassembly hole is a threaded hole. A bolt is inserted into the disassembly hole and tightened. The bolt exerts a reverse force on the main body, driving the main body to move. The main body presses the spacer ring through the second end, thereby disassembling the spacer ring.
[0015] Optionally, there are multiple disassembly holes, and the multiple disassembly holes are evenly arranged on the body along the circumference of the body. The multiple disassembly holes are evenly arranged on the body, and each disassembly hole corresponds to tightening a bolt. During the tightening process, the bolt exerts a reverse force on the body, and the spacer ring is evenly stressed in the circumferential direction. The bolt drives the body to move, and the body presses against the spacer ring through the second end, thereby making the spacer ring easier to remove. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0017] Figure 1 This is a schematic diagram of the structure of the spacer ring removal tooling for this application;
[0018] Figure 2 This is a schematic diagram of the structure of the spacer ring removal tooling for this application;
[0019] Figure 3 This is a schematic diagram of the working status of the spacer ring removal tooling for this application.
[0020] [Description of Reference Numerals]
[0021] 1: Body part;
[0022] 2: first through hole; 21: first end; 22: second end; 23: first section; 24: second section;
[0023] 3: second through hole;
[0024] 4: First connecting line; 5: Second connecting line; 6: Disassembly hole; 7: Spacer ring; 8: First bolt; 9: Second bolt. DETAILED DESCRIPTION
[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of this application.
[0026] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first" and "second" in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary-secondary relationship.
[0027] References to "embodiments" in this application mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described in this application may be combined with other embodiments.
[0028] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "attached" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.
[0029] The term "and / or" in this application simply describes an association between related objects, indicating that three possible relationships exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this application generally indicates that the related objects are in an "or" relationship.
[0030] The term "multiple" in this application refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).
[0031] Removal of the shaft end spacer requires working within the confined space within the base. Furthermore, the shaft end spacer and the rotating shaft are integrally mated, and anaerobic adhesive has penetrated the mating surfaces, making removal difficult. Typically, two flat-blade screwdrivers are used to pry the shaft end spacer out from both sides. This process is time-consuming and laborious, leaving uneven marks on the contact surface and easily crushing or severing the control wiring. Therefore, a disassembly tool that is easy to remove and minimizes wiring damage is desired.
[0032] The present application embodiment provides a spacer ring disassembly tool, referring to Figures 1 to 3 The spacer ring disassembly tool includes a main body 1, the main body 1 has a first through hole 2 and a second through hole 3, along the thickness direction of the main body 1, the first through hole 2 and the second through hole 3 both pass through the main body 1, and the first through hole 2 and the second through hole 3 are connected; wherein, along the thickness direction of the main body 1, the first through hole 2 has a first end 21 and a second end 22, the aperture of the first end 21 is larger than the aperture of the second end 22, and the aperture of the second through hole 3 is larger than the aperture of the first end 21.
[0033] The spacer ring removal tool proposed in the embodiment of the present application has a first through hole 2 formed on the main body 1. The diameter of the first end 21 of the first through hole 2 is larger than the diameter of the second end 22, and the second end 22 is suitable for abutting the spacer ring 7. Due to the smaller diameter of the second end 22, it is difficult for the spacer ring removal tool to be placed in the base and abut against the spacer ring 7. Therefore, a second through hole 3 communicating with the first through hole 2 is formed in the main body 1, thereby facilitating the spacer ring removal tool to be placed in the base and abut against the spacer ring 7. When the spacer ring 7 needs to be removed, it is only necessary to place the spacer ring removal tool in the base and abut against the spacer ring 7. By applying a force to the main body 1, the spacer ring 7 is removed from the rotating shaft. The entire disassembly process is simple and convenient, saving time and effort, and reducing damage to the circuit.
[0034] Specifically, the diameter of the first end 21 of the first through-hole 2 is larger than that of the second end 22. This allows the second end 22 to contact the inner end of the tapered spacer ring 7 when removing the spacer ring 7, while the first end 21 is adapted to contact or maintain a distance from the outer end of the spacer ring 7. In other words, the diameter of the first end 21 is greater than or equal to the outer diameter of the outer end of the spacer ring 7, while the diameter of the second end 22 is less than or equal to the outer diameter of the inner end of the spacer ring 7. This allows the second end 22 to abut the inner end of the spacer ring 7. When force is applied to the main body 1, the second end 22 can move the spacer ring 7, thereby removing the spacer ring 7. Furthermore, the diameter of the first section 23 is larger than the outer diameter of the end of the spacer ring 7, and the diameter of the second through-hole 3 is larger than the outer diameter of the end of the spacer ring 7. This allows the main body 1 to be inserted into the spacer ring 7 and then move a distance to enter the side of the spacer ring 7 near the bearing.
[0035] When the spacer ring 7 needs to be removed, the second through hole 3 of the spacer ring removal tool is aligned with the spacer ring 7, and the end of the spacer ring 7 is passed through the second through hole 3. Then, the spacer ring removal tool is moved to align the first through hole 2 with the spacer ring 7, so that the second section 24 of the tapered structure is engaged with the outer circumference of the spacer ring 7. A force is applied to the spacer ring removal tool, and the spacer ring removal tool drives the spacer ring 7 to be removed from the rotating shaft.
[0036] Optionally, the first through hole 2 includes a first section 23 and a second section 24 connected in sequence, the aperture of the first section 23 is larger than the aperture of the second section 24, and the aperture of the second through hole 3 is larger than the aperture of the first section 23. The aperture of the first section 23 of the first through hole 2 is larger than the aperture of the second section 24, so that a step is formed between the first section 23 and the second section 24. The aperture of the second through hole 3 is larger than the aperture of the first section 23, so that the main body 1 can be placed inside the base and abut against the spacer ring 7.
[0037] Optionally, the aperture of the second section 24 gradually decreases from the first end 21 to the second end 22. The second section 24 is configured as a tapered structure, so that the second section 24 can be cut into the outer circumference of the spacer ring 7, and the second section 24 has a larger contact area with the spacer ring 7, thereby making it easier to remove the spacer ring 7.
[0038] It should be understood that at least the second section 24 of the first through hole 2 matches the outer circumferential surface of the spacer ring 7, the spacer ring 7 is stepped with steps, the first through hole 7 is configured to match the shape of the spacer ring 7, and the first through hole 7 is also configured to be stepped, that is, a step is formed between the first section 23 and the second section 24; if the spacer ring 7 has an arc-shaped outer circumferential surface, the second through hole 7 is configured to cooperate with the arc-shaped outer circumferential surface of the spacer ring 7, and the inner circumferential surface of the second section 24 is cut and abutted against the outer circumferential surface of the spacer ring 7.
[0039] Optionally, the first section 23 is connected to the second through hole 3, and the second section 24 is connected to the second through hole 3. Both the first section 23 and the second section 24 are connected to the second through hole 3, which is equivalent to increasing the size of the through hole of the main body 1, making it easier to place the spacer ring removal tool into the base and abut against the spacer ring 7.
[0040] Optionally, a first connecting line 4 and a second connecting line 5 are formed between the inner wall of the second section 24 and the inner wall of the second through hole 3. The minimum distance between the first connecting line 4 and the second connecting line 5 is less than the aperture of the second end 22. The minimum distance between the first connecting line 4 and the second connecting line 5 is at the second end 22 and is less than the aperture of the second end 22. This allows the majority of the circumference of the second end 22 of the first through hole 2 to abut against the spacer ring 7, making it easier to remove the spacer ring 7. In other words, the line connecting the intersection of the first connecting line 4 and the end surface of the second end 22 and the intersection of the second connecting line 5 and the end surface of the second end 22 is less than the inner diameter of the second end 22, allowing the majority of the circumference of the second end 22 to abut against the spacer ring 7. In other words, along the thickness direction of the main body 1, the projection of the second end 22 is larger than a semicircle.
[0041] Optionally, the diameter of the first through hole 2 gradually decreases from the first end 21 to the second end 22. The first through hole 2 is generally configured as a tapered hole, with the second end 22 abutting against the outer circumference of the spacer ring 7 to facilitate removal of the spacer ring 7. Furthermore, the overall tapered shape of the first through hole 2 reduces the number of machining steps.
[0042] Optionally, the axis of the first through hole 2 is spaced apart from the axis of the second through hole 3. The second through hole 3 is an eccentric hole compared to the first through hole 2, which is equivalent to increasing the size of the through hole of the main body 1, making it easier to place the spacer ring removal tool into the base and abut against the spacer ring 7.
[0043] Specifically, the main body 1 is provided with a first through hole 2, and a second through hole 3 is provided at a certain distance from the axis of the first through hole 2. The first through hole 2 and the second through hole 3 are connected, making it easier to place the spacer ring disassembly tool into the base and abut against the spacer ring 7.
[0044] Optionally, a disassembly hole 6 is provided on the main body 1, and the disassembly hole 6 passes through the main body 1 along the thickness direction of the main body 1. By applying a force to the disassembly hole 6 of the main body 1, the main body 1 is moved, and the main body 1 presses the spacer ring 7 through the second end 22, thereby removing the spacer ring 7.
[0045] Optionally, the disassembly hole 6 is configured as a threaded hole. A bolt is inserted into the disassembly hole 6 and tightened. The bolt exerts a reverse force on the body 1, driving the body 1 to move. The body 1 presses the spacer ring 7 through the second end 22, thereby disassembling the spacer ring 7.
[0046] Optionally, there are multiple disassembly holes 6, and the multiple disassembly holes 6 are evenly arranged on the main body 1 along the circumference of the main body 1. The multiple disassembly holes 6 are evenly arranged on the main body 1, and a bolt is tightened in each disassembly hole 6. During the tightening process, the bolt exerts a reverse force on the main body 1, and the spacer ring 7 is evenly stressed in the circumferential direction. The bolt drives the main body 1 to move, and the main body 1 presses against the spacer ring 7 through the second end 22, thereby making the spacer ring 7 easier to remove.
[0047] In one embodiment, the plurality of removal holes 6 include a first threaded hole and a second threaded hole, which are symmetrically arranged on the main body; a first bolt 8 engages with the first threaded hole, and a second bolt 9 engages with the second threaded hole. The symmetrical arrangement of the first and second threaded holes ensures that when the first and second bolts 8 and 9 are tightened, the force on both sides of the spacer ring 7 is evenly applied, facilitating removal of the spacer ring.
[0048] In this application, a first through hole 2 is formed in the main body 1. The second section 24 of the first through hole 2 is tapered to fit the outer circumference of the spacer ring 7, while the first section 23 is circular to reduce cutting effort. A second through hole 3 is formed at a position offset from the center of the first through hole 2. The first and second through holes 2 and 3 are connected, and their axes are parallel. The inner diameter of the first section 23 is larger than the inner diameter of the second end 22, which is larger than the outer diameter of the end of the spacer ring 7. The outer diameter of the second through hole 3 is larger than the outer diameter of the end of the spacer ring 7, facilitating the insertion of a spacer ring removal tool around the outer circumference of the spacer ring 7. The minimum distance between the first and second connecting lines 4 and 5 is smaller than the diameter of the second end 22 and greater than the outer diameter of the spacer ring 7 on the bearing side, allowing the spacer ring removal tool to fit around the outer circumference of the spacer ring 7 and engage the outer circumference.
[0049] To remove the spacer ring 7, first remove the shaft end nut with a wrench. Align the second through-hole 3 of the spacer ring removal tool with the spacer ring 7, allowing the end of the spacer ring 7 to pass through the second through-hole 3. Then, move the spacer ring removal tool, aligning the first through-hole 2 with the spacer ring 7, so that the second section 24 of the tapered structure engages the outer circumference of the spacer ring 7. Then, insert a bolt into the threaded hole of the spacer ring removal tool and tighten the bolt. The bolt will pull the spacer ring removal tool out, and the spacer ring removal tool will simultaneously push out the spacer ring 7.
[0050] It should also be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not exclude the presence of other identical elements in the process, method, commodity, or apparatus that includes the element.
[0051] The various embodiments in this specification are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences between the other embodiments. In particular, the system embodiments are generally similar to the method embodiments, so the description is relatively simple. For relevant parts, refer to the description of the method embodiments.
[0052] The foregoing is merely an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.
[0053] Although the embodiments of the present application have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations shall fall within the scope defined by the appended claims.
Claims
1. A spacer ring disassembly tool, characterized in that: include: A main body portion, wherein the main body portion has a first through hole and a second through hole, wherein the first through hole and the second through hole both penetrate the main body portion along a thickness direction of the main body portion, and the first through hole and the second through hole are communicated with each other; Wherein, along the thickness direction of the main body, the first through hole has a first end and a second end, the aperture of the first end is larger than the aperture of the second end, and the aperture of the second through hole is larger than the aperture of the first end.
2. The spacer ring disassembly tool according to claim 1, characterized in that: The first through hole includes a first section and a second section connected in sequence. The aperture of the first section is larger than that of the second section. The aperture of the second through hole is larger than that of the first section.
3. The spacer ring disassembly tool according to claim 2, characterized in that: The aperture of the second section gradually decreases from the first end to the second end.
4. The spacer ring disassembly tool according to claim 2, characterized in that: The first section is communicated with the second through hole, and the second section is communicated with the second through hole.
5. The spacer ring removal tool according to any one of claims 2 to 4, characterized in that: A first connecting line and a second connecting line are defined between the inner wall of the second section and the inner wall of the second through hole, and a minimum distance between the first connecting line and the second connecting line is smaller than the aperture of the second end.
6. The spacer ring disassembly tool according to claim 1, characterized in that: The diameter of the first through hole gradually decreases from the first end to the second end.
7. The spacer ring disassembly tool according to claim 1, characterized in that: The axis of the first through hole is spaced apart from the axis of the second through hole.
8. The spacer ring disassembly tool according to claim 1, characterized in that: The main body is provided with a disassembly hole, and the disassembly hole passes through the main body along the thickness direction of the main body.
9. The spacer ring disassembly tool according to claim 8, characterized in that: The disassembly hole is configured as a threaded hole.
10. The spacer ring disassembly tool according to claim 9, characterized in that: There are a plurality of disassembly holes, and the plurality of disassembly holes are evenly arranged on the main body along the circumference of the main body.