Precise part detection device

By designing a detection device including a base plate and a cover plate, using the mechanical structure of the sliding block and the telescopic cylinder, efficient and accurate measurement of the inner and outer diameters is achieved, and the problems of inconvenience and large errors of traditional measuring devices are solved.

CN222689071UActive Publication Date: 2025-03-28MIANYANG JINHE TOOLS CO LTD
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Patent Information

Application Number
CN202421550917.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-03-28
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

Traditional measuring devices are inconvenient to use and have large measurement errors.

Method used

A detection device including a base plate and a cover plate is designed. Four slide grooves are provided inside the base plate, an outer diameter measuring component is provided on the top of the cover plate, and an inner diameter measuring component is provided inside the base plate. By pulling the movable rod of the syringe, sucking air induces the telescopic cylinder to shrink, drive the sliding block and the inner diameter measuring rod to gather, and the sliding block drives the swimming ruler to slide to read the inner diameter of the workpiece; read the outer diameter of the workpiece by extruding the outer diameter measuring column.

Benefits of technology

Improves the accuracy and efficiency of measurement, reduces measurement errors, and makes operation more convenient.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222689071U_ABST
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Abstract

The utility model discloses a precision part detection device, and specifically relates to the measuring device technology field, the precision part detection device comprises a base plate, four chutes are arranged in the base plate, the top of the base plate is fixedly connected with a cover plate, the top of the cover plate is provided with an external diameter measuring assembly, and the base plate is internally provided with an internal diameter measuring assembly; four reading grooves are formed in the cover plate, the four first fixed rulers are located in the four reading grooves respectively, four sliding grooves are formed in the cover plate, the four inner diameter measuring rods are slidably connected to the interiors of the corresponding sliding grooves respectively, and four supporting legs are fixedly connected to the bottom of the bottom plate. And fixing holes are formed in the four supporting legs. According to the utility model, the inner diameter and the outer diameter of the workpiece can be simply and rapidly measured through the outer diameter measuring assembly and the inner diameter measuring assembly, the inspection precision is ensured, and the measuring efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of measuring devices, and more specifically, to a detection device for precision parts. Background Art

[0002] Precision parts inspection devices are indispensable tools in the manufacturing industry. They can accurately measure key parameters such as the size, shape, surface quality, and material properties of parts to ensure that the parts are within the tolerance range required by the design, thereby improving the overall quality and reliability of the product. At the same time, these inspection devices can also promptly detect and correct defects and errors that may occur in the manufacturing process of parts, avoid assembly problems and performance problems caused by them, reduce production costs and improve production efficiency.

[0003] The traditional method of measuring parts usually uses a handheld vernier caliper. However, this measurement method has the problems of high error rate and low measurement efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a detection device for precision parts. The technical problem to be solved by the present invention is that the traditional measuring device is inconvenient to use and has a large measuring error.

[0005] To achieve the above object, the utility model provides the following technical solution: a precision parts detection device, comprising a bottom plate, four slide grooves are opened inside the bottom plate, a cover plate is fixedly connected to the top of the bottom plate, an outer diameter measuring component is arranged on the top of the cover plate, and an inner diameter measuring component is arranged inside the bottom plate;

[0006] The inner diameter measuring assembly comprises four slide grooves, the four slide grooves are all opened inside the bottom plate, the insides of the four slide grooves are all slidably connected with sliding blocks, and the sliding blocks are hollow structures, the insides of the four slide grooves are all fixedly connected with telescopic cylinders, and the four sliding blocks are respectively fixedly connected to the movable ends of the corresponding telescopic cylinders, the tops of the four sliding blocks are all fixedly connected with inner diameter measuring rods, the inputs of the four telescopic cylinders are connected with cross tubes, the bottom of the bottom plate is fixedly connected with a syringe, the output end of the syringe and the cross tube are connected with a connecting tube, the outside of the movable rod of the syringe is fixedly connected with a fixed plate, the outside of the movable rod of the syringe is movably sleeved with a first return spring, and the first return spring is fixedly connected between the fixed plate and the syringe, the top of the bottom plate is fixedly connected with four first fixed rulers, the outsides of the four sliding blocks are all fixedly connected with first vernier rulers, and the four first vernier rulers are respectively movably sleeved on the outsides of the four first fixed rulers;

[0007] The outer diameter measuring assembly includes a mounting plate, which is fixedly connected to the top of the cover plate, and four vertical rods are fixedly connected to the top of the mounting plate, and the four vertical rods are movably sleeved on the outside of a sliding frame, and the sliding frame is movably sleeved on the inside of an outer diameter measuring column, and the outer part of the outer diameter measuring column is fixedly connected to a fixed block, and the outer part of the fixed block is fixedly connected to a second vernier scale, and the outer part of the sliding frame is fixedly connected to a second fixed scale, and the second vernier scale is movably sleeved on the outside of the second fixed scale, and the outer part of the outer diameter measuring column is movably sleeved on the second return spring, and the bottom of the sliding frame is fixedly connected to a screw, and the inner part of the mounting plate is rotatably connected to a threaded sleeve, and the screw is threadably sleeved on the inside of the threaded sleeve.

[0008] like Figure 1-3 As shown, the specific implementation method is as follows: by pulling the movable rod of the syringe, the air in the four telescopic cylinders is sucked through the connecting tube and the cross tube, so that the movable end of the telescopic cylinder can be contracted, and then the four sliding blocks can be driven to gather, so that the four inner diameter measuring rods are gathered, and then the workpiece to be measured is sleeved on the outside of the four inner diameter measuring rods, and then the movable rod of the syringe is released, and then the movable rod of the syringe is retracted under the pulling of the first return spring, so that the four inner diameter measuring rods can be spread out, and at the same time, the first vernier can be driven by the sliding block to slide along the first fixed ruler, so that the inner diameter of the workpiece can be directly read, making the measurement more efficient;

[0009] The outer diameter measuring column is squeezed by the workpiece, and then the fixed block is driven to move, and then the second vernier scale is driven to slide along the second fixed scale, so that the outer diameter of the workpiece can be directly read, thereby improving the accuracy and efficiency of measurement.

[0010] In a preferred embodiment, four reading grooves are opened inside the cover plate, and four first fixed scales are respectively located inside the four reading grooves, and four sliding grooves are opened inside the cover plate, and four inner diameter measuring rods are respectively slidably connected to the inside of the corresponding sliding grooves.

[0011] The cover plate can be set to make the bottom plate surface smoother and reduce measurement errors.

[0012] In a preferred embodiment, the movable end of the syringe is fixedly connected to a first pull ring, and the end of the outer diameter measuring column away from the inner diameter measuring rod is fixedly connected to a second pull ring.

[0013] The first pull ring and the second pull ring can be provided to make pulling the movable end of the syringe and the outer diameter measuring column more convenient and labor-saving.

[0014] In a preferred embodiment, a knob is fixedly connected to the outside of the threaded sleeve, and anti-slip grooves are provided on the outside of the knob.

[0015] The provided knob can make it more convenient to rotate the screw.

[0016] In a preferred embodiment, four supporting legs are fixedly connected to the bottom of the base plate, and fixing holes are formed inside the four supporting legs.

[0017] The device can be fixed more stably by providing four supporting legs.

[0018] Technical effects and advantages of the utility model:

[0019] 1. By pulling the movable rod of the syringe, the air in the four telescopic cylinders is sucked in through the connecting tube and the cross tube, so that the movable end of the telescopic cylinder can be contracted, and then the four sliding blocks can be driven to gather together, so that the four inner diameter measuring rods are gathered together, and then the workpiece to be measured is put on the outside of the four inner diameter measuring rods, and then the movable rod of the syringe is released, and then the movable rod of the syringe is retracted under the pull of the first reset spring, so that the four inner diameter measuring rods can be spread out, and at the same time, the first vernier can be driven by the sliding block to slide along the first fixed ruler, so that the inner diameter of the workpiece can be directly read, making the measurement more efficient.

[0020] 2. The outer diameter measuring column is squeezed through the workpiece, and then the fixed block is driven to move, and then the second vernier scale is driven to slide along the second fixed scale, so that the outer diameter of the workpiece can be directly read, thereby improving the accuracy and efficiency of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the overall bottom structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0024] The accompanying drawings are marked as follows: 1. base plate; 2. slide groove; 3. sliding block; 4. inner diameter measuring rod; 5. first vernier scale; 6. first fixed scale; 7. cross tube; 8. connecting tube; 9. syringe; 10. fixed plate; 11. first return spring; 12. first pull ring; 13. mounting plate; 14. vertical pole; 15. sliding frame; 16. outer diameter measuring column; 17. fixed block; 18. second fixed scale; 19. second vernier scale; 20. second return spring; 21. screw; 22. threaded sleeve; 23. knob; 24. cover plate; 25. second pull ring; 26. support foot; 27. telescopic cylinder; 28. reading slot; 29. ​​sliding slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides a precision parts detection device, comprising a bottom plate 1, wherein four slide grooves 2 are provided inside the bottom plate 1, a cover plate 24 is fixedly connected to the top of the bottom plate 1, an outer diameter measuring component is provided on the top of the cover plate 24, and an inner diameter measuring component is provided inside the bottom plate 1;

[0027] The inner diameter measuring assembly comprises four slide grooves 2, the four slide grooves 2 are all opened inside the bottom plate 1, the inside of the four slide grooves 2 are all slidably connected with sliding blocks 3, and the sliding blocks 3 are hollow structures, the inside of the four slide grooves 2 are all fixedly connected with telescopic cylinders 27, and the four sliding blocks 3 are respectively fixedly connected to the movable ends of the corresponding telescopic cylinders 27, the tops of the four sliding blocks 3 are all fixedly connected with inner diameter measuring rods 4, the inputs of the four telescopic cylinders 27 are connected with cross tubes 7, the bottom of the bottom plate 1 is fixedly connected with a syringe 9, the output end of the syringe 9 is connected with the cross tube 7 by a connecting tube 8, the outside of the movable rod of the syringe 9 is fixedly connected with a fixed plate 10, the outside of the movable rod of the syringe 9 is movably sleeved with a first return spring 11, and the first return spring 11 is fixedly connected between the fixed plate 10 and the syringe 9, the top of the bottom plate 1 is fixedly connected with four first fixed rulers 6, the outsides of the four sliding blocks 3 are all fixedly connected with first vernier scales 5, and the four first vernier scales 5 are respectively movably sleeved on the outsides of the four first fixed rulers 6;

[0028] The outer diameter measuring assembly includes a mounting plate 13, which is fixedly connected to the top of a cover plate 24, and four vertical rods 14 are fixedly connected to the top of the mounting plate 13, and a sliding frame 15 is movably sleeved on the outside of the four vertical rods 14, and an outer diameter measuring column 16 is movably sleeved on the inside of the sliding frame 15, and a fixed block 17 is fixedly connected to the outside of the outer diameter measuring column 16, and a second vernier 19 is fixedly connected to the outside of the fixed block 17, and a second fixed scale 18 is fixedly connected to the outside of the sliding frame 15, and the second vernier 19 is movably sleeved on the outside of the second fixed scale 18, and a second reset spring 20 is movably sleeved on the outside of the outer diameter measuring column 16, and a screw rod 21 is fixedly connected to the bottom of the sliding frame 15, and a threaded sleeve 22 is rotatably connected to the inside of the mounting plate 13, and the screw rod 21 is threadedly sleeved on the inside of the threaded sleeve 22.

[0029] like Figure 1-3As shown, the specific implementation method is as follows: by pulling the movable rod of the syringe 9, the air in the four telescopic cylinders 27 is sucked through the connecting tube 8 and the cross tube 7, so that the movable end of the telescopic cylinder 27 can be contracted, and then the four sliding blocks 3 can be driven to gather together, so that the four inner diameter measuring rods 4 are gathered together, and then the workpiece to be measured is sleeved on the outside of the four inner diameter measuring rods 4, and then the movable rod of the syringe 9 is released, and then the movable rod of the syringe 9 is retracted under the pulling of the first return spring 11, so that the four inner diameter measuring rods 4 can be spread out, and at the same time, the first vernier 5 can be driven by the sliding block 3 to slide along the first fixed ruler 6, so that the inner diameter of the workpiece can be directly read, making the measurement more efficient;

[0030] The workpiece squeezes the outer diameter measuring column 16, which then drives the fixed block 17 to move, and then drives the second vernier scale 19 to slide along the second fixed scale 18, so that the outer diameter of the workpiece can be directly read, thereby improving the measurement accuracy and efficiency.

[0031] The cover plate 24 has four reading slots 28 formed inside, and the four first fixed scales 6 are respectively located inside the four reading slots 28 . The cover plate 24 has four sliding slots 29 formed inside, and the four inner diameter measuring rods 4 are respectively slidably connected to the inside of the corresponding sliding slots 29 .

[0032] like Figure 1 As shown, the specific implementation is: by setting the cover plate 24, the surface of the bottom plate 1 can be made smoother, thereby reducing the measurement error.

[0033] The movable end of the syringe 9 is fixedly connected to a first pull ring 12 , and the end of the outer diameter measuring column 16 away from the inner diameter measuring rod 4 is fixedly connected to a second pull ring 25 .

[0034] like Figure 1-3 As shown, the specific implementation is: by providing the first pull ring 12 and the second pull ring 25, it is possible to pull the movable end of the syringe 9 and the outer diameter measuring column 16 more conveniently and labor-savingly.

[0035] The outside of the threaded sleeve 22 is fixedly connected with a knob 23 , and the outside of the knob 23 is provided with anti-slip grooves.

[0036] like Figure 1 As shown, the specific implementation is: the knob 23 is provided to make it more convenient to rotate the screw rod 21.

[0037] Four supporting legs 26 are fixedly connected to the bottom of the base plate 1 , and fixing holes are formed inside the four supporting legs 26 .

[0038] like Figure 1-2 As shown, the specific implementation is that the device can be fixed more stably by providing four supporting legs 26 .

[0039] Working principle of this utility model:

[0040] When it is necessary to measure the workpiece, firstly, the movable rod of the syringe 9 is pulled to suck the air in the four telescopic cylinders 27 through the connecting tube 8 and the cross tube 7, so that the movable end of the telescopic cylinder 27 can be contracted, and then the four sliding blocks 3 can be driven to gather together, so that the four inner diameter measuring rods 4 can be gathered together, and then the workpiece to be measured is sleeved on the outside of the four inner diameter measuring rods 4, and then the movable rod of the syringe 9 is released, and then the movable rod of the syringe 9 is retracted under the pull of the first reset spring 11, so that the four inner diameter measuring rods 4 can be spread out, and at the same time, the first vernier 5 can be driven by the sliding block 3 to slide along the first fixed ruler 6, so that the inner diameter of the workpiece can be directly read, making the measurement more efficient;

[0041] The workpiece squeezes the outer diameter measuring column 16, which then drives the fixed block 17 to move, and then drives the second vernier scale 19 to slide along the second fixed scale 18, so that the outer diameter of the workpiece can be directly read, thereby improving the measurement accuracy and efficiency.

[0042] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0043] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0044] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A precision parts detection device, comprising a base plate (1), characterized in that: Four slide grooves (2) are provided inside the bottom plate (1); a cover plate (24) is fixedly connected to the top of the bottom plate (1); an outer diameter measuring component is provided on the top of the cover plate (24); and an inner diameter measuring component is provided inside the bottom plate (1); The inner diameter measuring assembly comprises four slide grooves (2), the four slide grooves (2) are all opened inside the bottom plate (1), the inside of the four slide grooves (2) are all slidably connected with sliding blocks (3), and the sliding blocks (3) are hollow structures, the inside of the four slide grooves (2) are all fixedly connected with telescopic cylinders (27), and the four sliding blocks (3) are respectively fixedly connected to the movable ends of the corresponding telescopic cylinders (27), the tops of the four sliding blocks (3) are all fixedly connected with inner diameter measuring rods (4), the inputs of the four telescopic cylinders (27) are connected with cross tubes (7), and the bottom of the bottom plate (1) is fixedly connected with a syringe (9) , a connecting tube (8) is connected between the output end of the syringe (9) and the cross tube (7), the outside of the movable rod of the syringe (9) is fixedly connected to a fixed plate (10), the outside of the movable rod of the syringe (9) is movably sleeved with a first return spring (11), and the first return spring (11) is fixedly connected between the fixed plate (10) and the syringe (9), the top of the bottom plate (1) is fixedly connected to four first fixed rulers (6), the outer sides of the four sliding blocks (3) are fixedly connected to first vernier rulers (5), and the four first vernier rulers (5) are respectively movably sleeved on the outside of the four first fixed rulers (6); The outer diameter measuring assembly comprises a mounting plate (13), wherein the mounting plate (13) is fixedly connected to the top of the cover plate (24), wherein the top of the mounting plate (13) is fixedly connected to four vertical rods (14), wherein the outer parts of the four vertical rods (14) are movably sleeved with a sliding frame (15), wherein the inner part of the sliding frame (15) is movably sleeved with an outer diameter measuring column (16), wherein the outer part of the outer diameter measuring column (16) is fixedly connected to a fixing block (17), wherein the outer part of the fixing block (17) is fixedly connected to a first A second vernier scale (19), the outside of the sliding frame (15) is fixedly connected to a second fixed scale (18), and the second vernier scale (19) is movably sleeved on the outside of the second fixed scale (18), the outside of the outer diameter measuring column (16) is movably sleeved with a second return spring (20), the bottom of the sliding frame (15) is fixedly connected to a screw rod (21), the inside of the mounting plate (13) is rotatably connected to a threaded sleeve (22), and the screw rod (21) is threadedly sleeved on the inside of the threaded sleeve (22).

2. A precision parts detection device according to claim 1, characterized in that: Four reading slots (28) are provided inside the cover plate (24), and the four first fixed scales (6) are respectively located inside the four reading slots (28). Four sliding slots (29) are provided inside the cover plate (24), and the four inner diameter measuring rods (4) are respectively slidably connected to the inside of the corresponding sliding slots (29).

3. The precision parts detection device according to claim 1, characterized in that: The movable end of the syringe (9) is fixedly connected to a first pull ring (12), and the end of the outer diameter measuring column (16) away from the inner diameter measuring rod (4) is fixedly connected to a second pull ring (25).

4. The precision parts detection device according to claim 1, characterized in that: The outside of the threaded sleeve (22) is fixedly connected with a knob (23), and the outside of the knob (23) is provided with anti-slip grooves.

5. The precision parts detection device according to claim 1, characterized in that: Four supporting legs (26) are fixedly connected to the bottom of the base plate (1), and fixing holes are provided inside the four supporting legs (26).