A portable precision detector

Abstract

The utility model discloses a kind of precision detection instruments convenient to carry, it is related to detection instrument technical field, including shell and detection instrument body;Detection instrument body is rotatably installed in the inside of shell by pivot;One end of shell is rotatably installed with side door, and the other end of shell is fixedly installed with handle;The upper end surface of shell is inserted with plugboard;Sliding tongue is slidably installed on the inner side wall of shell, and the end of sliding tongue and detection instrument body is abuttingly cooperated;Protective shell is fixedly installed on the side wall of shell, and the inside of protective shell is provided with transmission assembly for linkage sliding tongue and pivot. First, sliding tongue is retracted by driving gear plate to remove locking, and then detection instrument body is steadily erected by bevel gear set driving worm and gear mechanism. Spring mechanism ensures that each component is automatically reset and locked during the process. Realize that single-hand operation can be completed from storage state to working state Quick conversion, improve use efficiency, avoid the tedious process of traditional protection box repeatedly taking and placing.

Description

Technical Field

[0001] This utility model relates to the field of testing instrument technology, and in particular to a portable precision testing instrument. Background Technology

[0002] Precision measuring instruments are devices that use optical, electronic, and sensing technologies to perform high-precision measurements of the size, shape, and properties of workpieces. They are widely used in industrial manufacturing, scientific research, and other fields, capable of detecting errors at the micrometer or even nanometer level, ensuring product quality and process accuracy. They are a core tool for modern precision machining and quality control.

[0003] Existing precision testing instruments suffer from deficiencies in portability and ease of use. They are generally large and heavy, lacking ergonomic designs that make movement and handling extremely inconvenient. Most devices require specialized protective cases for storage and transport, necessitating a series of cumbersome steps including unpacking, removal, installation, and calibration, severely impacting testing efficiency. This repeated handling not only increases the risk of damage from impacts but also hinders real-time measurement in situations requiring rapid response, such as in the field or on production lines, limiting their application flexibility and failing to meet the modern industrial demand for efficient and rapid on-site testing.

[0004] To address the aforementioned problems, this invention proposes a portable precision testing instrument. Utility Model Content

[0005] To address the problems existing in the background technology, this utility model proposes a portable precision testing instrument.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a portable precision testing instrument, comprising a housing and a testing instrument body; the testing instrument body is rotatably mounted inside the housing via a rotating shaft; a side door is rotatably mounted at one end of the housing, and a handle is fixedly mounted at the other end of the housing; an insert plate is inserted into the upper end face of the housing; a sliding tongue is slidably mounted on the inner side wall of the housing, and the sliding tongue abuts against the end of the testing instrument body; a protective outer shell is fixedly mounted on the side wall of the housing, and a transmission component for linking the sliding tongue and the rotating shaft is provided inside the protective outer shell.

[0007] The present invention is further configured such that the transmission assembly includes a worm gear, a worm shaft, a first bevel gear, a gear, a second bevel gear, a connecting rod, a toothed plate, a first sector gear, and a second sector gear; the worm gear is fixedly installed at one end of the rotating shaft, and the worm shaft is rotatably installed inside the protective housing, meshing with the worm gear; the other end of the worm shaft is fixedly installed with the first bevel gear, and the gear and the second bevel gear are rotatably installed on the side wall of the housing, coaxially arranged; the first bevel gear and the second bevel gear are meshing; the connecting rod is slidably arranged on the housing, one end of the connecting rod is fixedly connected to a sliding tongue, and the other end of the connecting rod is fixedly installed with a toothed plate; the first sector gear and the second sector gear are rotatably installed on the side wall of the housing; the first sector gear and the second sector gear are coaxially arranged, meshing with the toothed plate, and meshing with the gear; the second sector gear is provided with an adjustment assembly for limiting the second sector gear.

[0008] The present invention is further configured such that the adjusting component includes a connecting shaft, a rectangular plate, a limiting cover, a sliding disc, a first spring, a limiting rod, and a limiting groove; the connecting shaft is coaxially and fixedly connected to the second sector gear, the connecting shaft rotates through the protective shell, a rectangular plate is fixedly installed on the connecting shaft, a limiting cover is provided at one end of the rectangular plate away from the connecting shaft, a sliding disc is slidably fitted on the outer side of the rectangular plate, a first spring is fixedly connected between the sliding disc and the connecting shaft, limiting rods are fixedly installed on both sides of the sliding disc, and multiple limiting grooves are evenly opened around the axis of the sliding disc on the outer wall of the protective shell, the limiting rods are inserted into the limiting grooves.

[0009] The present invention is further configured such that multiple levers are uniformly fixedly installed on the outer wall of the sliding disc.

[0010] The present invention is further configured such that a sliding groove is provided on the inner side wall of the housing, a sliding tongue is slidably installed inside the sliding groove, and a guide slope is provided at one end of the sliding tongue corresponding to the detector body; a second spring is snapped into the sliding groove, and the other end of the second spring abuts against the sliding tongue.

[0011] The present invention is further configured such that a connecting groove is provided on the housing at the position corresponding to the sliding groove, and the connecting rod slides with the housing through the connecting groove.

[0012] The present invention is further configured such that plug slots are fixedly installed on both sides of the upper end face of the housing, and the plug plate is transitionally fitted with the plug slot.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This portable precision testing instrument utilizes a mechanical structure combining worm gear transmission and sector gear linkage, along with a spring-loaded limiting system, to achieve rapid deployment. During operation, the limiting mechanism is released by moving the sliding disc, and rotating the drive shaft triggers the sector gear set to perform two actions: first, the gear plate retracts the sliding tongue to release the lock; then, the bevel gear set drives the worm gear mechanism to smoothly erect the instrument body. Throughout the process, the spring mechanism ensures that all components automatically reset and lock. This allows for a quick transition from storage to operating mode with just one hand, improving efficiency and avoiding the cumbersome process of repeatedly removing and placing the traditional protective box. It is easy to carry and suitable for the needs of rapid on-site testing.

[0014] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial cross-sectional view of the present invention. Figure 3 This utility model Figure 2 Enlarged view of point A in the middle; Figure 4 This utility model Figure 2 Enlarged view of point B in the middle; Figure 5 This is a partial structural diagram of the present invention; Figure 6 This utility model Figure 5 Enlarged view of point C in the middle; Figure 7 This is a schematic diagram of the detector body of this utility model standing upright.

[0016] Reference numerals: 1. Housing; 2. Detector body; 3. Side door; 4. Handle; 5. Insert plate; 6. Sliding tongue; 7. Protective outer shell; 8. Rotating shaft; 9. Worm gear; 10. Worm; 11. First bevel gear; 12. Gear; 13. Second bevel gear; 14. Connecting rod; 15. Gear plate; 16. First sector gear; 17. Second sector gear; 18. Connecting shaft; 19. Rectangular plate; 20. Limiting cover; 21. Sliding disc; 22. First spring; 23. Limiting rod; 24. Limiting groove; 25. Toggle lever; 26. Sliding groove; 27. Second spring; 28. Connecting groove; 29. ​​Insertion groove. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0019] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0020] Please see Figure 1-7 This utility model provides a technical solution: a portable precision testing instrument, comprising a housing 1 and a testing instrument body 2. The testing instrument body 2 is rotatably mounted inside the housing 1 via a rotating shaft 8, enabling the testing instrument body to be rotated and stored or unfolded for use within the housing. A side door 3 is rotatably mounted on one end of the housing 1, and a handle 4 is fixedly mounted on the other end, facilitating the carrying and opening of the device. A plate 5 is inserted into the upper surface of the housing 1 for closing or opening the upper opening of the housing.

[0021] A sliding tongue 6 is slidably mounted on the inner side wall of the housing 1. The sliding tongue 6 abuts against the end of the detector body 2 to lock the detector body in its stored state. A protective outer shell 7 is fixedly mounted on the side wall of the housing 1. Inside the shell 7 is a transmission component for linking the sliding tongue 6 and the rotating shaft 8. The unlocking and rotation actions are completed in one step through mechanical linkage.

[0022] The transmission assembly includes a worm gear 9, a worm 10, a first bevel gear 11, a gear 12, a second bevel gear 13, a connecting rod 14, a gear plate 15, a first sector gear 16, and a second sector gear 17. The worm gear 9 is fixed to one end of the rotating shaft 8. The worm 10 meshes with the worm gear 9 and transmits power through the meshing of the first bevel gear 11 and the second bevel gear 13. The gear 12 and the second bevel gear 13 are coaxially arranged. One end of the connecting rod 14 is fixed to the sliding tongue 6, and the other end is fixed to the gear plate 15. The gear plate 15 meshes with the first sector gear 16, and the second sector gear 17 meshes with the gear 12, achieving sequential linkage between the movement of the sliding tongue and the rotation of the rotating shaft. This ensures that the detector body unlocks before rotating, avoiding motion interference.

[0023] An adjustment assembly is provided on the second sector gear 17 to limit its movement. The adjustment assembly includes a connecting shaft 18, a rectangular plate 19, a limiting cover 20, a sliding disk 21, a first spring 22, a limiting rod 23, and a limiting groove 24. The connecting shaft 18 is coaxially fixed to the second sector gear 17, the rectangular plate 19 is fixed to the connecting shaft 18, the sliding disk 21 is elastically connected to the connecting shaft 18 through the first spring 22, and the limiting rod 23 is inserted into the limiting groove 24 on the protective housing 7. By moving the lever 25 on the sliding disk 21, the limiting rod 23 can be disengaged from or engaged with the limiting groove 24, thereby allowing or prohibiting the movement of the transmission assembly and achieving reliable locking of the working state.

[0024] A sliding groove 26 is formed on the inner side wall of the housing 1, in which a sliding tongue 6 is slidably installed. One end of the tongue 6 has a guide slope to facilitate contact and sliding with the detector body 2. A second spring 27 is installed in the sliding groove 26 to abut against the sliding tongue 6, providing elastic force for the sliding tongue to automatically reset. A connecting groove 28 is formed on the housing 1 at the position corresponding to the sliding groove 26, through which the connecting rod 14 slides and engages with the housing 1 to ensure smooth transmission. Insertion slots 29 are fixed on both sides of the upper end face of the housing 1, with the insertion plate 5 transitionally engaged to achieve stable insertion and removal of the insertion plate and closed protection of the housing 1.

[0025] Working principle: In use, the operator first fully pulls the insert plate 5 out of the insertion slot 29, opens the side door 3, and exposes the internal mechanism. Then, using a finger, the operator smoothly moves the sliding plate 21 away from the protective housing 7, causing the first spring 22 to gradually extend, driving the limiting rod 23 to completely disengage from the limiting slot 24, thereby releasing the rotation restriction on the rectangular plate 19. Maintaining the pulling force, the operator rotates the lever 25 clockwise, causing the sliding plate 21 to rotate synchronously, which in turn drives the connecting shaft 18 to rotate via the rectangular plate 19. The rotation of the connecting shaft 18 simultaneously drives the first sector gear 16 and the second sector gear 17 to rotate synchronously.

[0026] Upon initial rotation, the first sector gear 16 immediately engages with the gear plate 15, driving the connecting rod 14 to move smoothly along the connecting groove 28. The connecting rod 14 pushes the sliding tongue 6 to slide inward along the sliding groove 26, compressing the second spring 27 to store energy. As the sliding tongue 6 moves inward, its end gradually disengages from the upper surface of the detector body 2, releasing the locking state of the detector body. At this time, the second sector gear 17 begins to engage with the gear 12, driving the second bevel gear 13 to rotate. The second bevel gear 13 maintains constant engagement with the first bevel gear 11, transmitting the rotational motion to the worm gear 10.

[0027] The worm gear 10 drives the worm wheel 9 to rotate slowly, which in turn drives the detector body 2 from a horizontal storage state to a vertical working state via the rotating shaft 8. During the rotation of the detector body 2, the first sector gear 16 gradually disengages from the gear plate 15, and the second spring 27 begins to release its elastic force, pushing the sliding tongue 6 to move outwards. When the detector body 2 is fully vertical, it completely disengages from the trajectory of the sliding tongue 6, and the sliding tongue 6, under the action of the second spring 27, completely slides out of the sliding groove 26 and returns to its initial position.

[0028] At this point, the operator releases the sliding disc 21, the first spring 22 returns to its original length, and pushes the limit rod 23 to accurately insert into the corresponding limit groove 24, thereby relocking the connecting shaft 18 and ensuring the stability of the detector body 2 in the working state. After use, when it is necessary to store the detector body 2, the operation is performed in reverse order: first, move the sliding disc 21 to release the lock, rotate it counterclockwise to make the transmission component move in the opposite direction, the worm gear mechanism drives the detector body 2 to rotate smoothly back to the horizontal position, the sliding tongue 6 automatically engages the locking position of the detector body 2, and finally release the sliding disc 21 to complete the locking.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A portable precision testing instrument, comprising a housing (1) and a testing instrument body (2); characterized in that: The detector body (2) is rotatably installed inside the housing (1) via a rotating shaft (8); a side door (3) is rotatably installed at one end of the housing (1), and a handle (4) is fixedly installed at the other end of the housing (1); a plug plate (5) is inserted into the upper end face of the housing (1); a sliding tongue (6) is slidably installed on the inner side wall of the housing (1), and the sliding tongue (6) abuts against the end of the detector body (2); a protective shell (7) is fixedly installed on the side wall of the housing (1), and a transmission component for linking the sliding tongue (6) and the rotating shaft (8) is provided inside the protective shell (7).

2. The portable precision testing instrument according to claim 1, characterized in that: The transmission assembly includes a worm gear (9), a worm (10), a first bevel gear (11), a gear (12), a second bevel gear (13), a connecting rod (14), a gear plate (15), a first sector gear (16), and a second sector gear (17); the worm gear (9) is fixedly installed at one end of the rotating shaft (8), and the worm (10) is rotatably installed inside the protective shell (7), with the worm (10) meshing with the worm gear (9); the other end of the worm (10) is fixedly installed with the first bevel gear (11), and the gear (12) and the second bevel gear (13) are rotatably installed on the side wall of the shell (1), with the gear (12) and the second bevel gear (13) coaxially arranged; the first bevel gear (9) is fixedly installed with the first bevel gear (11), and the worm (12) and the second bevel gear (13) are rotatably installed on the side wall of the shell (1); the first bevel gear (9) is fixedly installed with the first sector gear (16), and the worm (9) is fixedly installed with the first sector gear (17). Gear (11) meshes with second bevel gear (13); connecting rod (14) is slidably mounted on housing (1), one end of connecting rod (14) is fixedly connected to sliding tongue (6), and the other end of connecting rod (14) is fixedly mounted with tooth plate (15). First sector gear (16) and second sector gear (17) are rotatably mounted on the side wall of housing (1); first sector gear (16) and second sector gear (17) are coaxially arranged, first sector gear (16) meshes with tooth plate (15), and second sector gear (17) meshes with gear (12); second sector gear (17) is provided with adjustment component for limiting second sector gear (17).

3. The portable precision testing instrument according to claim 2, characterized in that: The adjustment assembly includes a connecting shaft (18), a rectangular plate (19), a limiting cover (20), a sliding disc (21), a first spring (22), a limiting rod (23), and a limiting groove (24). The connecting shaft (18) is coaxially and fixedly connected to the second sector gear (17). The connecting shaft (18) rotates through the protective shell (7). A rectangular plate (19) is fixedly installed on the connecting shaft (18). A limiting cover (20) is provided at one end of the rectangular plate (19) away from the connecting shaft (18). A sliding disc (21) is slidably fitted on the outer side of the rectangular plate (19). A first spring (22) is fixedly connected between the sliding disc (21) and the connecting shaft (18). Limiting rods (23) are fixedly installed on both sides of the sliding disc (21). Multiple limiting grooves (24) are evenly opened around the axis of the sliding disc (21) on the outer wall of the protective shell (7). The limiting rods (23) are inserted into the limiting grooves (24).

4. The portable precision testing instrument according to claim 3, characterized in that: Multiple levers (25) are evenly fixedly installed on the outer wall of the sliding disk (21).

5. A portable precision testing instrument according to claim 1, characterized in that: A sliding groove (26) is provided on the inner side wall of the housing (1). A sliding tongue (6) is slidably installed inside the sliding groove (26). A guide slope is provided at one end of the sliding tongue (6) corresponding to the detector body (2). A second spring (27) is snapped into the sliding groove (26). The other end of the second spring (27) abuts against the sliding tongue (6).

6. A portable precision testing instrument according to claim 5, characterized in that: A connecting groove (28) is provided on the housing (1) at the position corresponding to the sliding groove (26), and the connecting rod (14) slides with the housing (1) through the connecting groove (28).

7. A portable precision testing instrument according to claim 1, characterized in that: Both sides of the upper end face of the housing (1) are fixedly installed with insertion slots (29), and the insertion plate (5) is transitionally fitted with the insertion slots (29).

Images