Contact type surface roughness measuring instrument

By using flip plate and rotary rod connection in the contact surface roughness measuring instrument, combined with the design of limit nuts, heat dissipation windows and wiring harness slots, the tremor problem caused by long-term use of the handheld measuring instrument is solved, and the stability and High-precision measurement and improves the portability and convenience of the equipment.

CN222336286UActive Publication Date: 2025-01-10HANGZHOU GUOPIN TESTING TECH CO LTD
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Patent Information

Application Number
CN202421254179.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-10
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

Existing hand-held surface roughness measuring instruments are prone to tremors in their hands during long-term use, resulting in inaccurate measurement data.

Method used

A contact surface roughness measuring instrument is designed, which uses a flip plate and a rotary rod to limit the rotation of the flip plate through the limit nut to realize the ground support of the device main body, and a heat dissipation window and Wire harness slots facilitate heat dissipation and wire harness management.

Benefits of technology

It effectively avoids the flip plate rotation phenomenon, ensures the stability and measurement accuracy of long-term detection. At the same time, the convenience and safety of the equipment are improved through the design of the heat dissipation window and wiring harness slot.

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Abstract

The utility model discloses a contact type surface roughness measuring instrument, which comprises a device main body and turnover plates arranged on two sides of the lower half part of the device main body, the turnover plates are rotatably connected with the device main body, the turnover plates are positioned on two corresponding sides of the lower half part of the device main body, and the turnover plates are connected with the device main body through rotating rods. A limiting nut used for limiting rotation of the overturning plate is connected to the rotating rod in a threaded screwing mode. The turnover plate is arranged at the lower half part of the device main body, so that a user can rotate the turnover plate through the rotating rod, the turnover plate can support the device main body, and when the user uses the device main body, the turnover plate can be used for supporting the device main body above the ground; and meanwhile, after the overturning plate rotates to a proper position, the rotation of the overturning plate can be limited through the limiting nut, and the phenomenon that the overturning plate rotates in the use process is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of roughness measuring instruments, in particular to a contact type surface roughness measuring instrument. Background Art

[0002] Roughness meter is also called surface roughness meter, surface finish meter, surface roughness detector, roughness measuring instrument, roughness meter, roughness tester and other names. It has the characteristics of high measurement accuracy, wide measurement range, simple operation, easy to carry, stable operation, etc. It can be widely used in the detection of various metal and non-metal processing surfaces.

[0003] Currently, most of the detectors on the market are handheld. If a surface needs to be tested for a long time, the user needs to hold it for a long time. Long-term holding will cause the user's hands to tremble, resulting in inaccurate measurement data.

[0004] To this end; we propose a contact type surface roughness measuring instrument. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a contact type surface roughness measuring instrument.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A contact surface roughness measuring instrument comprises a device body and flip plates arranged on both sides of the lower half of the device body, wherein the flip plates are rotationally connected to the device body, and the flip plates are both located on the corresponding sides of the lower half of the device body, and the flip plates are connected to the device body through a rotating rod, and a limit nut for limiting the rotation of the flip plate is screwed on the rotating rod.

[0008] As a further solution of the utility model: placement rooms are opened on two corresponding sides of the lower half of the device body, and a plurality of heat dissipation windows are opened inside the placement rooms on both sides, and the heat dissipation windows are used for heat dissipation of the device body.

[0009] As a further solution of the utility model: a wire harness groove is provided inside the placement chamber, the wire harness groove is located between the two heat dissipation windows, and the wire harness groove is used for placing the power connection line.

[0010] As a further solution of the utility model: at least two communication grooves are opened on one side of the lower half of the device body, and the communication grooves extend to the interior of the placement chamber, and the communication grooves are communicated with the interior of the placement chamber.

[0011] As a further solution of the utility model: one end of the rotating rod extends to the outside of the device body through the connecting groove, and the rotating rod located outside the device body is provided with a plurality of external threads, and the limiting nut is screwed and connected with the rotating rod thread through the external thread.

[0012] As a further solution of the utility model: a snap-in placement groove is opened at the lower end of the device body, and the device body is connected to a detection rod through the snap-in placement groove. A detection head is arranged at one end of the detection rod, and a power plug is arranged at the end of the detection rod away from the detection head.

[0013] As a further solution of the present invention: a display control panel is provided on the upper surface of the device body, and the display control panel is used for numerical display and control of the device body.

[0014] Compared with the prior art, the utility model provides a contact surface roughness measuring instrument, which has the following beneficial effects:

[0015] 1. The utility model, by arranging a flip plate at the lower half of the device body, can enable the user to rotate the flip plate through the rotating rod, so that the flip plate can support the device body. Then, when the user uses the device body, the flip plate can be used to support the device body off the ground, so that the device body can detect a surface for a long time. At the same time, when the flip plate is rotated to a suitable position, the rotation of the flip plate can be limited by the limiting nut to prevent the flip plate from rotating when in use.

[0016] 2. The utility model provides a heat dissipation window inside the storage chamber, so that the user can use the device body after opening the flip plate, and the device body can dissipate the heat generated inside through the heat dissipation window. At the same time, the user can also store the wiring harness by placing it in the wiring harness slot, which is convenient for next use and avoids the loss of the wiring harness due to misplacement.

[0017] 3. The utility model, by opening two connecting grooves on one side of the lower half of the device body, can make the rotating rod extend to the outside of the device body through the connecting grooves, and then can make the rotating rod and the limiting nut be threadedly connected, so that the limiting nut can limit the rotation of the rotating rod.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the contact-type surface roughness measuring instrument proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the overall three-dimensional upward structure of the contact type surface roughness measuring instrument proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the separation structure of the device body and the flip plate of the contact type surface roughness measuring instrument proposed by the utility model;

[0022] Figure 4 This is an enlarged schematic diagram of the structure at point A of the contact-type surface roughness measuring instrument proposed by the utility model.

[0023] In the figure: 1. Device body; 2. Display and control panel; 3. Flip plate; 4. Detection head; 5. Snap-in placement slot; 6. Detection rod; 7. Power plug; 8. Placement chamber; 9. Heat dissipation window; 10. Wire harness slot; 11. Turn rod; 12. Limit nut; 13. Connecting slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Example 1

[0027] Contact surface roughness measuring instruments, such as Figure 1-Figure 4 As shown, it includes a device body 1 and a flip plate 3 arranged on both sides of the lower half of the device body 1. The flip plate 3 is rotatably connected to the device body 1, and the flip plates 3 are located at the corresponding two sides of the lower half of the device body 1. The flip plate 3 is connected to the device body 1 through a rotating rod 11. The rotating rod 11 is threadedly screwed with a limit nut 12 for limiting the rotation of the flip plate 3. By arranging the flip plate 3 at the lower half of the device body 1, the user can rotate the flip plate 3 through the rotating rod 11, so that the flip plate 3 can support the device body 1. Further, when the user uses the device body 1, the flip plate 3 can be used to support the device body 1 off the ground, so that the device body 1 can detect a surface for a long time. At the same time, when the flip plate 3 is rotated to a suitable position, the rotation of the flip plate 3 can be limited by the limit nut 12 to prevent the flip plate 3 from rotating when in use.

[0028] like Figure 1-Figure 4 As shown, placement chambers 8 are provided on both sides corresponding to the lower half of the device body 1, and a plurality of heat dissipation windows 9 are provided on the inner sides of the placement chambers 8 on both sides. The heat dissipation windows 9 are used for heat dissipation of the device body 1. A wire harness groove 10 is provided on the inner side of the placement chamber 8, and the wire harness groove 10 is located between the two heat dissipation windows 9. The wire harness groove 10 is used for placing the power connection line. By providing the heat dissipation windows 9 inside the placement chamber 8, the user can use the device body 1 after opening the flip plate 3, and the device body 1 can dissipate the heat generated inside through the heat dissipation windows 9. At the same time, the user can also store the wire harness by placing it inside the wire harness groove 10, so as to facilitate the next use and avoid the loss of the wire harness due to misplacement.

[0029] like Figure 1-Figure 4 As shown, at least two connecting grooves 13 are provided on one side of the lower half of the device body 1, and the connecting grooves 13 extend to the interior of the placement chamber 8, and the connecting grooves 13 are connected to the interior of the placement chamber 8. One end of the rotating rod 11 extends to the outside of the device body 1 through the connecting grooves 13. The rotating rod 11 located outside the device body 1 is provided with a plurality of external threads, and the limiting nut 12 is threadedly connected with the rotating rod 11 through the external threads. By providing two connecting grooves 13 on one side of the lower half of the device body 1, the rotating rod 11 can be extended to the outside of the device body 1 through the connecting grooves 13, and then the rotating rod 11 can be threadedly connected with the limiting nut 12, so that the limiting nut 12 can limit the rotation of the rotating rod 11.

[0030] like Figure 1-Figure 4 As shown, a snap-in placement groove 5 is provided at the lower end of the device main body 1, and the device main body 1 is connected to a detection rod 6 through the snap-in placement groove 5. A detection head 4 is provided at one end of the detection rod 6, and a power plug 7 is provided at the end of the detection rod 6 away from the detection head 4. By providing the snap-in placement groove 5 at the lower end of the device main body 1, the device main body 1 can snap-in and fix the detection rod 6 through the snap-in placement groove 5, so that the detection rod 6 can be connected to the device main body 1, and then the device main body 1 can detect the part that needs to be detected through the detection rod 6, and at the same time, the detection rod 6 can be connected to the power cord through the power plug 7, and then the device main body 1 can be connected to the detection rod 6 through the power cord.

[0031] like Figure 1-Figure 4 As shown, a display control panel 2 is provided on the upper surface of the device body 1, and the display control panel 2 is used for numerical presentation and control of the device body 1. By providing the display control panel 2 on the upper surface of the device body 1, a user can observe the data of the device body 1 and control the use of the device body 1 through the display control panel 2.

[0032] Working principle: By arranging a flip plate 3 at the lower half of the device body 1, the user can rotate the flip plate 3 through the rotating rod 11, so that the flip plate 3 can support the device body 1. When the user uses the device body 1, the flip plate 3 can be used to support the device body 1 off the ground, so that the device body 1 can detect one surface for a long time. At the same time, when the flip plate 3 is rotated to a suitable position, the rotation of the flip plate 3 can be limited by the limiting nut 12 to prevent the flip plate 3 from rotating when in use.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A contact type surface roughness measuring instrument, comprising a device body (1), and flip plates (3) arranged on both sides of the lower half of the device body (1), characterized in that: The flip plate (3) is rotatably connected to the device body (1), and the flip plates (3) are located on two corresponding sides of the lower half of the device body (1). The flip plate (3) and the device body (1) are connected via a rotating rod (11), and a limit nut (12) for limiting the rotation of the flip plate (3) is screwed on the rotating rod (11).

2. The contact type surface roughness measuring instrument according to claim 1, characterized in that: The lower half of the device body (1) is provided with a placement chamber (8) on both corresponding sides, and the inner sides of the placement chambers (8) on both sides are provided with a plurality of heat dissipation windows (9), and the heat dissipation windows (9) are used for heat dissipation of the device body (1).

3. The contact surface roughness measuring instrument according to claim 2, characterized in that: A wire harness groove (10) is provided inside the placement chamber (8), and the wire harness groove (10) is located between the two heat dissipation windows (9). The wire harness groove (10) is used for placing a power connection line.

4. The contact type surface roughness measuring instrument according to claim 3, characterized in that: At least two communication grooves (13) are provided on one side of the lower half of the device body (1), the communication grooves (13) extending into the interior of the placement chamber (8), and the communication grooves (13) are in communication with the interior of the placement chamber (8).

5. The contact type surface roughness measuring instrument according to claim 4, characterized in that: One end of the rotating rod (11) extends to the outside of the device body (1) through the connecting groove (13); a plurality of external threads are provided on the rotating rod (11) located outside the device body (1); and the limiting nut (12) is threadedly connected to the rotating rod (11) via the external threads.

6. The contact type surface roughness measuring instrument according to claim 1, characterized in that: A snap-fit ​​placement groove (5) is provided at the lower end of the device body (1), and the device body (1) is snap-fitted and connected to a detection rod (6) through the snap-fit ​​placement groove (5); a detection head (4) is provided at one end of the detection rod (6), and a power plug (7) is provided at one end of the detection rod (6) away from the detection head (4).

7. The contact type surface roughness measuring instrument according to claim 1, characterized in that: A display control panel (2) is provided on the upper surface of the device body (1), and the display control panel (2) is used for numerical display and control of the device body (1).

Citation Information

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