Device for removing moisture on surface of piston rod
By designing a device including a threaded cover and an outer cap, high-speed gas purge removes moisture on the surface of the automobile shock absorber piston rod, solving the problem of residual moisture caused by quenching, achieving efficient moisture removal and ensuring product quality.
Patent Information
- Application Number
- CN202420957059.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-07
AI Technical Summary
After induction heating and quenching of the piston rod of the automobile shock absorber, a large amount of moisture remaining on the surface causes rust, affecting the quality of the product.
A device for removing moisture on the surface of the piston rod is designed, including a threaded cover and an outer cap, which removes moisture on the surface by high-speed gas rinsing, and uses threaded connections and air pipe joints to form a cavity and air outlet gap to achieve efficient removal of water stains.
Effectively remove moisture on the surface of the piston rod, improve the efficiency of removing moisture, prevent rust, and ensure product quality.
Smart Images

Figure CN222279235U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile shock absorber piston rod processing, in particular to a device for removing moisture from the surface of the piston rod. Background Art
[0002] At present, after the induction heating quenching process of the automobile shock absorber piston rod, a large amount of moisture will remain on the surface of the automobile shock absorber piston rod, causing the surface of the automobile shock absorber piston rod to rust, and producing products that do not meet the requirements. Utility Model Content
[0003] The utility model aims to solve the defects of the current automobile shock absorber piston rod processing technology and provides a device for removing moisture from the surface of the piston rod, which can directly remove the residual moisture on the surface of the piston rod after quenching.
[0004] The technical solution provided by the utility model is:
[0005] A device for removing moisture from the surface of a piston rod, comprising:
[0006] A threaded cap comprising:
[0007] A first cover body, which is in a circular ring shape;
[0008] A first cylindrical body, which is coaxially fixedly connected to the inner circle of the first cover body and is located on one side of the first cover body;
[0009] A boss, which is annular, is coaxially sleeved on the outer wall of the first cylindrical body, and one end of the boss is fixedly connected to the first cover body; an external thread is provided on the outer wall of the boss;
[0010] The outer diameter of the boss is smaller than the outer diameter of the first cover body, and the axial length of the boss is smaller than the axial length of the first cylinder;
[0011] An outer cap, comprising:
[0012] A second cover body, which is in a circular ring shape; the inner diameter of the second cover body is larger than the outer diameter of the first cylindrical body;
[0013] A second cylindrical body, which is coaxially fixedly connected to one side of the second cover body, and the connection position of the second cylindrical body is close to the outer ring of the second cover body; the inner wall of the second cylindrical body is provided with an internal thread;
[0014] The second cylindrical body is connected to the boss by threads, and the outer cap is connected to the threaded cover to form a cavity; an air outlet gap is formed between the first cylindrical body and the inner circle of the second cover;
[0015] Two air pipe joints are symmetrically connected to the second cylindrical body and communicated with the cavity.
[0016] Preferably, the threaded cover is an integrally formed structure.
[0017] Preferably, the outer cap is an integrally formed structure.
[0018] Preferably, the second cylindrical body is provided with two threaded holes.
[0019] Preferably, the outer surfaces of one ends of the two air pipe connectors are provided with threads, and are connected to the two threaded holes in a one-to-one correspondence.
[0020] Preferably, the positions of the two threaded holes are distributed symmetrically about the center of the circle.
[0021] Preferably, the outer diameter of the first cover body is the same as the outer diameter of the second cover body.
[0022] The beneficial effects of the utility model are as follows: the device for removing moisture from the surface of the piston rod provided by the utility model can remove water stains stably and has high moisture removal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 The utility model is a schematic diagram of the threaded cover structure of the device for removing moisture from the surface of the piston rod.
[0024] Figure 2 The utility model is a schematic diagram of the outer cap structure of the device for removing moisture from the surface of the piston rod.
[0025] Figure 3 The utility model is a schematic diagram of the overall structure of the device for removing moisture from the surface of the piston rod.
[0026] Figure 4 This is a schematic cross-sectional view of the device for removing moisture from the surface of a piston rod according to the utility model along the AA line.
[0027] Figure 5 The utility model is a schematic diagram of the machine tool structure of the device for removing moisture from the surface of the piston rod. DETAILED DESCRIPTION
[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.
[0029] like Figure 1As shown, the utility model provides a device for removing moisture from the surface of a piston rod. The threaded cap 110 comprises: a first cover body 111, which is in a circular ring shape; a first cylindrical body 113, which is coaxially fixedly connected to the inner ring of the first cover body 111 and is located on one side of the first cover body 111; a boss 112, which is in a circular ring shape, the boss 112 is coaxially sleeved on the outer wall of the first cylindrical body 113, and one end is fixedly connected to the first cover body 111; an external thread (not shown in the figure) is arranged on the outer wall of the boss 112; wherein the outer ring diameter of the boss 112 is smaller than the outer ring diameter of the first cover body 111, and the axial length of the boss 112 is smaller than the axial length of the first cylindrical body 113; the threaded cap 110 is an integrally formed structure.
[0030] like Figure 2 As shown, the utility model provides a device for removing moisture from the surface of a piston rod. The outer cap 120 comprises: a second cover body 121, which is annular; the inner diameter of the second cover body 121 is larger than the outer diameter of the first cylindrical body 113; a second cylindrical body 122, which is coaxially fixedly connected to one side of the second cover body 121, and the connection position of the second cylindrical body 122 is close to the outer ring of the second cover body 121; an internal thread (not shown in the figure) is arranged on the inner wall of the second cylindrical body 122; the second cylindrical body 122 is provided with two threaded holes 123, the positions of the two threaded holes 123 are centrally symmetrically distributed about the center of the circle, and are arranged on both sides of the second cylindrical body 122; the outer cap 120 is an integrally formed structure.
[0031] like Figure 3As shown, the utility model provides a device for removing moisture from the surface of a piston rod. This device is composed of an air knife device and an air pipe joint 130, wherein the air knife device includes the threaded cover 110 and the outer cap 120. The outer diameter of the first cover body 111 is the same as the outer diameter of the second cover body 121; the second cylindrical body 122 is screwed and connected to the boss 112 by threads, so that the outer cap 120 and the threaded cover 110 are connected and assembled together; the outer diameter of the first cylindrical body 113 is smaller than the inner diameter of the second cylindrical body 122, so that after the outer cap 120 and the threaded cover 110 are connected, a cavity 140 is formed between the two; one side of the first cylindrical body 113 extends inwardly for a part, and after the extension, the outer diameter of the first cylindrical body 113 is smaller than the inner diameter of the second cover body 121, so that the first An air outlet gap 150 is formed between a cylindrical body 113 and the inner circle of the second cover body 121, so that the cavity 140 is connected to the outside; two air pipe connectors 130 are hollow cylinders, one end of each air pipe connector 130 is connected to the air outlet pipe, and the outer surface of the other end of each air pipe connector 130 is provided with threads, and are connected to the two threaded holes 123 one by one, so that the two air pipe connectors 130 are connected to the outer cap 120 together; the positions of the two air pipe connectors 130 are centrally symmetrically distributed about the center of the circle, connected to both sides of the second cylindrical body 122, and respectively connected to the cavity 140.
[0032] like Figure 4 As shown, the utility model provides a device for removing moisture from the surface of the piston rod. The entire device is cut along the AA section to obtain Figure 4 Right side cross-sectional view. The left side of the cross-sectional view is the threaded cover 110, the right side is the outer cap 120, and the upper and lower air pipe joints 130. After the threaded cover 110 and the outer cap 120 are screwed together, the cavity 140 and the air outlet gap 150 for gas flow are left, and the air outlet pipes are respectively connected to the two air pipe joints 130, and high-speed gas is discharged through the cavity 140 and the air outlet gap 150 to purge the automobile shock absorber piston rod and remove the residual moisture on the surface of the automobile shock absorber piston rod.
[0033] like Figure 5 As shown, the utility model provides a device for removing moisture from the surface of a piston rod. After the automobile shock absorber piston rod is processed by induction heating quenching, the quenching machine tool conveys the automobile shock absorber piston rod in the axial direction, and the device for removing moisture from the surface of the piston rod provided by the utility model is placed at the junction of the quenching machine tool and the conveying mechanism, so that the automobile shock absorber piston rod passes through the hollow part 160 inside the device, and the automobile shock absorber piston rod is washed by the high-speed gas blown out by the device, so as to achieve the purpose of removing the residual moisture on the surface of the automobile shock absorber piston rod.
[0034] The device for removing moisture from the surface of the piston rod provided by the utility model can remove water stains stably and has high moisture removal efficiency. After the automobile shock absorber piston rod is processed by induction heating and quenching, high-speed gas blowing can be performed through the device for removing moisture from the surface of the piston rod provided by the utility model to directly remove moisture from the surface of the automobile shock absorber piston rod, thereby preventing the automobile shock absorber piston rod from being rusted due to residual moisture on its surface, thereby avoiding the production of automobile shock absorber piston rods of poor quality.
[0035] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.
Claims
1. A device for removing moisture from the surface of a piston rod, characterized in that: include: A screw cap comprising: A first cover body, which is in a circular ring shape; A first cylindrical body, which is coaxially fixedly connected to the inner circle of the first cover body and is located on one side of the first cover body; A boss, which is annular, is coaxially sleeved on the outer wall of the first cylindrical body, and one end of the boss is fixedly connected to the first cover body; an external thread is provided on the outer wall of the boss; The outer diameter of the boss is smaller than the outer diameter of the first cover body, and the axial length of the boss is smaller than the axial length of the first cylinder; An outer cap, comprising: A second cover body, which is in a circular ring shape; the inner diameter of the second cover body is larger than the outer diameter of the first cylindrical body; A second cylindrical body, which is coaxially fixedly connected to one side of the second cover body, and the connection position of the second cylindrical body is close to the outer ring of the second cover body; the inner wall of the second cylindrical body is provided with an internal thread; The second cylindrical body is connected to the boss by threads, and the outer cap is connected to the threaded cover to form a cavity; an air outlet gap is formed between the first cylindrical body and the inner circle of the second cover; Two air pipe joints are symmetrically connected to the second cylindrical body and communicated with the cavity.
2. The device for removing moisture from the surface of a piston rod according to claim 1, characterized in that: The threaded cover is an integrally formed structure.
3. The device for removing moisture from the surface of a piston rod according to claim 1, characterized in that: The outer cap is an integrally formed structure.
4. The device for removing moisture from the surface of a piston rod according to claim 1, characterized in that: The second cylindrical body is provided with two threaded holes; the outer surfaces of one ends of the two air pipe joints are provided with threads, and are connected to the two threaded holes in a one-to-one correspondence.
5. The device for removing moisture from the surface of a piston rod according to claim 4, characterized in that: The positions of the two threaded holes are centrally symmetrically distributed about the center of the circle.
6. The device for removing moisture from the piston rod surface according to claim 1, characterized in that: The outer diameter of the first cover body is the same as the outer diameter of the second cover body.