Tool for paint and rust removal of screw thread of bolt
By designing a rust removal tool suitable for bolt threads, using the gap friction mechanism between the cleaning rack and the varnish knife, combined with the serrated cleaning part and clamping handle, the problem of low rust removal efficiency of bolt threads is solved, achieving efficient rust removal and widespread applicability.
Patent Information
- Application Number
- CN202323584639.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-27
AI Technical Summary
The lack of special tools in the prior art leads to low rust removal efficiency of bolt threads, and the paint layer of bolt threads cannot be effectively removed, resulting in the nut being stuck and unable to be removed.
A tool consisting of a cleaning rack and a varnish knife is designed. At least one pair of varnish knives are connected to the cleaning rack. The gap is suitable for the size of the bolts. The bolts are rubbed back and forth by moving the tool. The tool can be adjusted to accommodate bolts of different sizes. , and is equipped with a serrated cleaning section and clamping handle to improve rust removal efficiency.
It realizes efficient bolt thread removal paint removal, has a wide range of application, simple tool structure, high rust removal efficiency, is suitable for multiple bolt sizes, and can be automated.
Smart Images
Figure CN222153060U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bolt rust removal, in particular to a tool for removing paint and rust from bolt threads. Background Art
[0002] Flange bolts need to be painted and maintained according to regulations. When disassembling the valve for offline maintenance, the bolt threads must be depainted and derusted first to prevent the nuts from getting stuck and unable to be removed. The prior art lacks special rust removal tools for bolt threads, resulting in low rust removal efficiency for bolt threads. Utility Model Content
[0003] The utility model aims at the problem of low efficiency in removing rust from bolt threads in the prior art and provides a tool for removing paint and rust from bolt threads which can effectively improve the rust removal efficiency.
[0004] The utility model solves the above-mentioned technical problem with the following technical solution: a tool for removing paint and rust from bolt threads, comprising a cleaning frame, to which is connected at least a pair of varnish knives, with a certain gap between the two varnish knives of each pair and a gap for inserting bolts, and a size at the largest point of the gap is larger than the diameter of the bolt, and a size at the smallest point of the gap is smaller than the diameter of the bolt.
[0005] The beneficial effects of the utility model are as follows: a cleaning rack is provided, to which at least a pair of varnish knives are connected, and the bolts to be derusted can be inserted into the gaps of the varnish knives, and by moving the tool of the present application, rust or paint can be removed by rubbing back and forth on both sides of the bolt at the same time, and the tool can also be moved in the axial position of the bolt to derust multiple positions of the bolt; in summary, the overall structure of the tool of the present application is simple and the rust removal efficiency is high.
[0006] On the basis of the above technical solution, the present invention can also be improved as follows.
[0007] Furthermore, the varnish knife is threadedly connected to the cleaning frame through a fixing piece, and an adjustment hole is provided on the varnish knife or the cleaning frame. The adjustment hole is in a long strip shape, and the varnish knife is connected to the cleaning frame through a fixing piece passing through the adjustment hole.
[0008] The beneficial effect of adopting the above further scheme is that the adjustment hole is provided to adjust the distance between the relatively arranged varnish knives, thereby adjusting the range of paint and rust removal of the tool, which has a wider range of application and can act on bolts of multiple sizes.
[0009] Furthermore, the varnish knife and the cleaning frame are rotatably connected via a pin shaft.
[0010] The beneficial effect of adopting the above further solution is that a pin is provided, and the pin is used as the center of the relative rotation of the varnish knife and the cleaning frame, so the positioning effect is good.
[0011] Furthermore, the adjustment hole is arc-shaped, and the arc has the axis of the pin as its center.
[0012] The beneficial effect of adopting the above further solution is that the adjustment hole is set to be arc-shaped and is arranged according to the position of the pin, so that the size of the adjustment hole can be reduced and the abutment position after the fixing part is fixed can be increased.
[0013] Further, the varnish knife is in the form of a thin sheet.
[0014] The beneficial effect of adopting the above further solution is that it is convenient for the varnish knife to be inserted into the small gap to remove paint and rust.
[0015] Furthermore, the varnish knife has a serrated cleaning portion, and two varnish knives are arranged on the cleaning frame, and the serrated structures of the two cleaning portions are arranged opposite to each other.
[0016] The beneficial effect of adopting the above further solution is that the serrated cleaning portion is provided to improve the efficiency of paint and rust removal.
[0017] Furthermore, the varnish knife is in the shape of an elongated strip, and the cleaning portion extends from one end of the cleaning frame.
[0018] The beneficial effect of adopting the above further solution is that the function of the cleaning part is fully utilized, so that the serration structure on the cleaning part can be fully utilized.
[0019] Furthermore, in the cross section of the varnish knife in the thickness direction, the tip angle of the sawtooth structure of the cleaning portion is 55°.
[0020] The beneficial effect of adopting the above further solution is that, according to experiments in specific applications, when the tip angle is 55°, the varnish knife has a good effect of removing paint and rust when used.
[0021] Furthermore, a clamping handle is fixed to one end of the cleaning frame which is away from the cleaning portion. The clamping handle is columnar and is used to connect to the power assembly.
[0022] The beneficial effect of adopting the above further scheme is that the clamping handle facilitates the movement and force of the entire tool. By connecting the clamping handle to a pneumatic component or other structure that can perform linear motion, such as a screw structure, or a gear structure that can rotate in one direction, the entire tool can be driven to perform reciprocating linear motion, or rotate around a bolt to automatically remove paint and rust from the bolt.
[0023] Furthermore, the clamping handle is connected to the cleaning frame through a threaded structure.
[0024] The beneficial effect of adopting the above further solution is that the clamping handle can be easily disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of a tool for removing paint and rust from bolt threads according to the utility model;
[0026] Figure 2 For this utility model Figure 1 Cross-sectional view at AA in the middle.
[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0028] 10 cleaning rack;
[0029] 20 varnish knife; 21 adjustment hole; 22 cleaning part;
[0030] 30 fixing part; 40 pin; 50 clamping handle. DETAILED DESCRIPTION
[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0032] Example 1
[0033] like Figure 1 A tool for removing paint and rust from bolt threads comprises a cleaning frame 10, to which is connected at least a pair of varnish knives 20, wherein a certain gap is provided between the two varnish knives 20 of each pair and is used for inserting the bolts, and the size of the largest gap is larger than the diameter of the bolt, and the size of the smallest gap is smaller than the diameter of the bolt.
[0034] The beneficial effects of the utility model are as follows: a cleaning frame 10 is provided, and at least a pair of varnish knives 20 are connected to the cleaning frame 10. The bolts to be derusted can be inserted into the gaps of the varnish knives 20. By moving the tool of the present application, rust or paint can be removed by rubbing back and forth on both sides of the bolt at the same time. The tool can also be moved in the axial position of the bolt to remove rust from multiple positions of the bolt. In summary, the overall structure of the tool of the present application is simple and the rust removal efficiency is high.
[0035] On the basis of the above embodiment, multiple varnish knives 20 can be provided, and the multiple varnish knives 20 can be fixed on the cleaning frame 10 in pairs, and the gap between each pair of varnish knives 20 is the same, such as fixing two pairs of varnish knives 20 on the front and back sides of the cleaning frame 10 respectively.
[0036] Example 2
[0037] Preferably, on the basis of Example 1, the varnish knife 20 is threadedly connected to the cleaning rack 10 through a fixing member 30, and an adjustment hole 21 is provided on the varnish knife 20 or the cleaning rack 10, and the adjustment hole 21 is in the shape of an elongated strip, and the varnish knife 20 is connected to the cleaning rack 10 through a fixing member 30 passing through the adjustment hole 21.
[0038] The beneficial effect of adopting the preferred scheme in the above embodiment is that the adjustment hole 21 is provided to adjust the distance between the relatively arranged varnish knives 20, thereby adjusting the range of paint and rust removal of the tool, which has a wider range of application and can act on bolts of multiple sizes.
[0039] Example 3
[0040] Preferably, based on Embodiment 2, the varnish knife 20 and the cleaning frame 10 are rotatably connected via a pin 40 .
[0041] The beneficial effect of adopting the preferred solution in the above embodiment is that the pin shaft 40 is provided, and the pin shaft 40 is used as the center of the relative rotation between the varnish knife 20 and the cleaning frame 10, so the positioning effect is good.
[0042] Example 4
[0043] Preferably, on the basis of Embodiment 3, the adjustment hole 21 is arc-shaped, and the arc has the axis of the pin 40 as its center.
[0044] The beneficial effect of adopting the preferred solution in the above embodiment is that the adjustment hole 21 is set to be arc-shaped and is arranged according to the position of the pin 40, so that the size of the adjustment hole 21 can be reduced and the abutment position of the fixing member 30 after the position is fixed can be increased.
[0045] Example 5
[0046] Preferably, based on embodiments 1-4, the varnish knife 20 is in the shape of a thin sheet.
[0047] On the basis of the above embodiment, the adjustment hole 21 can be opened on the varnish knife 20.
[0048] The beneficial effect of adopting the preferred solution in the above embodiment is that the varnish knife 20 can be conveniently inserted into a small gap to remove paint and rust.
[0049] Example 6
[0050] Preferably, on the basis of embodiments 1-5, the varnish knife 20 has a serrated cleaning portion 22, two varnish knives 20 are provided on the cleaning frame 10, and the serrated structures of the two cleaning portions 22 are arranged opposite to each other.
[0051] The beneficial effect of adopting the preferred solution in the above embodiment is that the serrated cleaning portion 22 is provided to improve the efficiency of paint and rust removal.
[0052] Example 7
[0053] Preferably, on the basis of Embodiment 6, the varnish knife 20 is in the shape of an elongated strip, and the cleaning portion 22 extends from one end of the cleaning frame 10 .
[0054] The beneficial effect of adopting the preferred solution in the above embodiment is that the function of the cleaning portion 22 is fully utilized, so that the serration structure on the cleaning portion 22 can be fully utilized.
[0055] Example 8
[0056] Preferably, on the basis of Embodiments 6-7, in the cross section of the varnish knife 20 in the thickness direction, the tip angle of the sawtooth structure of the cleaning portion 22 is 55°.
[0057] The beneficial effect of adopting the preferred solution in the above embodiment is that, according to experiments in specific applications, when the tip angle is 55°, the varnish knife 20 has a good effect of removing paint and rust when used. Figure 2 , the angle indicated by b is 55°.
[0058] On the basis of the above embodiment, during specific use, the angle of the tip of the varnish knife 20 in the thickness direction may be 60°.
[0059] Example 9
[0060] Preferably, on the basis of embodiments 1-8, a clamping handle 50 is fixed to one end of the cleaning frame 10 facing away from the cleaning portion 22, and the clamping handle 50 is columnar and is used to connect to the power assembly.
[0061] The beneficial effect of adopting the preferred scheme in the above embodiment is that the clamping handle 50 facilitates the movement and force of the entire tool. The clamping handle 50 can be connected to a pneumatic component or other structure that can perform linear motion, such as a screw structure, or a gear structure that can rotate in one direction, so as to drive the entire tool to perform reciprocating linear motion, or rotate around the bolt to automatically remove paint and rust from the bolt.
[0062] Example 10
[0063] Preferably, on the basis of Embodiment 9, the clamping handle 50 is connected to the cleaning frame 10 via a threaded structure.
[0064] The beneficial effect of adopting the preferred solution in the above embodiment is that the clamping handle 50 is easy to disassemble and replace.
[0065] like Figure 1 The usage of the present application is: when in use, clamp the bolt between two varnish knives 20, hold the clamping handle 50 and move the rub bolt back and forth, or connect a power component to the clamping handle 50, such as a pneumatic component for linear motion, so that the varnish knife 20 can move back and forth along the bolt to rub, thereby removing paint and rust from the bolt.
[0066] Specifically, the varnish knife 20 can be made of a material with moderate hardness, so that only the paint is removed without causing damage to the bolt thread. The front end of the sawtooth is small, which is convenient for entering a narrow space. The advantages of the present application are: high work efficiency, can be connected to an air source, and can automatically remove paint and rust from the bolt thread; high work efficiency, can be connected to an air source, and can automatically remove paint and rust from the bolt thread.
[0067] The clamping handle 50 can be made of 45-gauge steel.
[0068] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0069] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0070] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0071] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0072] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.
[0073] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A tool for removing paint and rust from bolt threads, characterized in that: The cleaning frame (10) comprises at least one pair of varnish knives (20) connected to the cleaning frame (10), a gap for inserting a bolt is provided between the two varnish knives (20) in each pair, and the size of the gap at the largest point is larger than the diameter of the bolt, and the size of the gap at the smallest point is smaller than the diameter of the bolt.
2. A tool for removing paint and rust from bolt threads according to claim 1, characterized in that: The varnish knife (20) or the cleaning rack (10) is provided with an adjustment hole (21), the adjustment hole (21) is in the shape of an elongated strip, and the varnish knife (20) is connected to the cleaning rack (10) via a fixing member (30) passing through the adjustment hole (21).
3. A tool for removing paint and rust from bolt threads according to claim 2, characterized in that: The varnish knife (20) and the cleaning frame (10) are rotatably connected via a pin shaft (40).
4. A tool for removing paint and rust from bolt threads according to claim 3, characterized in that: The adjustment hole (21) is arc-shaped, and the arc has the axis of the pin shaft (40) as its center.
5. A tool for removing paint and rust from bolt threads according to claim 1, characterized in that: The varnish knife (20) is in the shape of a thin sheet.
6. A tool for removing paint and rust from bolt threads according to claim 1, characterized in that: The varnish knife (20) has a sawtooth cleaning portion (22), and two varnish knives (20) are arranged on the cleaning frame (10), and the sawtooth structures of the two cleaning portions (22) are arranged opposite to each other.
7. A tool for removing paint and rust from bolt threads according to claim 6, characterized in that: The varnish knife (20) is in the shape of an elongated strip, and the cleaning portion (22) extends from one end of the cleaning frame (10).
8. The tool for removing paint and rust from bolt threads according to claim 6, characterized in that: In a cross section of the varnish knife (20) in the thickness direction, the tip angle of the sawtooth structure of the cleaning portion (22) is 55°.
9. A tool for removing paint and rust from bolt threads according to any one of claims 6-8, characterized in that: A clamping handle (50) is fixed to one end of the cleaning frame (10) facing away from the cleaning portion (22); the clamping handle (50) is columnar and is used to connect to a power component.
10. A tool for removing paint and rust from bolt threads according to claim 9, characterized in that: The clamping handle (50) is connected to the cleaning frame (10) via a threaded structure.