Span measurer capable of realizing combined measurement

Abstract

The utility model provides a span measurer capable of measuring in a combined manner, which comprises a ruler body, the outer end of the ruler body is connected with a vernier in a sliding manner, one end of the ruler body far away from the vernier is clamped with a clamping concave block, one end of the clamping concave block close to the vernier is fixedly intercepted with a stretching corrugated outer sleeve, and one end of the stretching corrugated outer sleeve close to the vernier is fixedly connected with a clamping front block. The left end and the right end of one end, close to the vernier, of the clamping front block are fixedly connected with protruding blocks, the left end and the right end of one end, close to the clamping front block, of the vernier are provided with clamping grooves, and the corresponding clamping grooves and the protruding blocks are directly clamped with each other. The front clamping block outside the clamping concave block can be clamped with the clamping groove through the protruding block, the stretching corrugated outer sleeve is installed on the outer side of the ruler body and flexibly covers the outer side of the ruler body along with displacement of the vernier, the risk that external foreign matter makes contact with the ruler body is reduced, the measuring effect of the ruler body is guaranteed, dismounting is convenient, and the use mode is flexible.

Description

Technical Field

[0001] The utility model relates to a span measuring device capable of combined measurement, belonging to the technical field of measuring equipment. Background Art

[0002] Span measuring instruments include digital calipers, which are measuring tools for measuring length, inner and outer diameters, and depth. Digital calipers have the characteristics of intuitive reading, easy use, and diverse functions.

[0003] A digital caliper with Chinese patent number CN206772157U relates to the field of measurement and part mapping, including a ruler body with a sensor installed and a digital display panel electrically connected to the sensor, the ruler body includes a main ruler and a vernier ruler with measuring claws installed respectively, when measuring, the two measuring claws of the caliper are directly placed in the hole, and the main body of the caliper is automatically parallel to the end face of the measured hole, thereby ensuring the concentricity of the cone and the measured hole. When in use, it is only necessary to make the cones in the two measuring claws of the caliper completely contact the measured hole to ensure the parallelism of the main ruler and the surface of the measured object, thus achieving the effect of self-centering, which can effectively ensure the accuracy of measurement and positioning, and has good practicality.

[0004] However, when using the digital caliper in the existing span measuring device, the surface of the ruler needs to be carefully protected and maintained, otherwise the measurement result will be inaccurate. In severe cases, the functionality of the ruler will be damaged, affecting its service life.

[0005] Therefore, a span measuring device capable of combined measurement is proposed. Utility Model Content

[0006] In view of this, the utility model provides a span measuring device capable of combined measurement to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0007] The technical solution of the utility model is achieved as follows: a span measuring device that can be combined for measurement includes a ruler body, the outer end of the ruler body is slidably connected to a cursor, the end of the ruler body away from the cursor is engaged with an engaging concave block, the end of the engaging concave block close to the cursor is fixedly intercepted with a stretch corrugated jacket, the end of the stretch corrugated jacket close to the cursor is fixedly connected with an engaging front block, the left and right ends of the end of the engaging front block close to the cursor are fixedly connected with raised blocks, the left and right ends of the end of the cursor close to the engaging front block are provided with engaging grooves, the corresponding engaging grooves and raised blocks are directly engaged with each other, and the stretch corrugated jacket is located on the outside of the ruler body.

[0008] Further preferably, an inner ring groove is provided at one end of the front engaging block close to the cursor, and flexible wiping inner shafts are provided around the inner end of the inner ring groove.

[0009] Further preferably, four corners of the outer end of the front engaging block are provided with engaging grooves, and the multiple engaging grooves are interconnected with the inner ring notch.

[0010] Further preferably, a pressing rod is slidably connected to the inner end of the engaging groove, and a plurality of pressing rods are connected to corresponding flexible wiping inner shafts.

[0011] Further preferably, the flexible wiping inner shaft contacts the outer side of the ruler body, and the upper end of the cursor is fixedly connected to a display screen.

[0012] Further preferably, the front end of the cursor is fixedly connected to an adjusting shaft, and the lower ends of the ruler body and the cursor are fixedly connected to a lower ruler rod.

[0013] Further preferably, the upper ends of the ruler body and the cursor are fixedly connected with an upper ruler rod, and the upper end of the ruler body is fixedly connected with a value bar.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] 1. In the process of using the ruler body, the locking concave block can be combined on the side of the ruler body, and the locking front block outside the locking concave block can be locked with the locking groove through the protruding block, so that the stretch corrugated jacket is installed on the outside of the ruler body, so that the stretch corrugated jacket can flexibly cover the outside of the ruler body following the displacement of the cursor, reducing the risk of external foreign objects contacting the ruler body, which is beneficial to ensuring the measurement effect of the ruler body, easy to disassemble and flexible to use.

[0016] Second, a flexible wiping inner shaft is also provided in the front engaging block. The pressing rod connected to the flexible wiping inner shaft can be pressed by the user. When the pressing rod is pressed down, the corresponding flexible wiping inner shaft is pressed down. The flexible wiping inner shaft can contact with the outer wall of the ruler body, clean and wipe a large area of ​​the outer wall of the ruler body, further ensure the measurement effect of the ruler body, and make the measurement process more functional.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1This is a schematic diagram of the shaft side structure of the measuring device of the utility model;

[0020] Figure 2 This is a schematic diagram of a partially cut-off and enlarged structure of the ruler body of the utility model;

[0021] Figure 3 It is a schematic diagram of the enlarged structure of the front engaging block of the utility model;

[0022] Figure 4 For the utility model Figure 2 Schematic diagram of the partial truncation structure of the middle engaging front block.

[0023] Figure numerals: 1. cursor; 2. ruler body; 3. value bar; 4. display screen; 5. lower ruler rod; 6. snap-fit ​​concave block; 7. stretch corrugated outer sleeve; 8. snap-fit ​​front block; 9. raised block; 10. snap-fit ​​groove; 11. pressing rod; 12. inner ring notch; 13. flexible wiping inner shaft; 14. upper ruler rod; 15. adjusting shaft. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1-4 As shown, the embodiment of the utility model provides a span measuring device that can be combined for measurement, including a ruler body 2, the outer end of the ruler body 2 is slidably connected to the vernier 1, the end of the ruler body 2 away from the vernier 1 is engaged with a locking recessed block 6, the end of the locking recessed block 6 close to the vernier 1 is fixedly intercepted with a stretching corrugated jacket 7, the end of the stretching corrugated jacket 7 close to the vernier 1 is fixedly connected with a locking front block 8, the left and right ends of the end of the locking front block 8 close to the vernier 1 are fixedly connected with protruding blocks 9, the left and right ends of the end of the vernier 1 close to the locking front block 8 are provided with locking grooves 10, the corresponding locking grooves 10 are directly engaged with the protruding blocks 9, and the stretching corrugated jacket 7 is located on the outer side of the ruler body 2.

[0028] An adjusting shaft 15 is fixedly connected to the front end of the cursor 1, a lower ruler rod 5 is fixedly connected to the lower ends of the ruler body 2 and the cursor 1, an upper ruler rod 14 is fixedly connected to the upper ends of the ruler body 2 and the cursor 1, and a numerical bar 3 is fixedly connected to the upper end of the ruler body 2.

[0029] Example 2

[0030] In one embodiment,

[0031] An inner ring groove 12 is opened at one end of the front block 8 close to the cursor 1, and flexible wiping inner shafts 13 are arranged around the inner end of the inner ring groove 12. Engaging grooves 10 are opened at the four corners of the outer end of the front block 8, and multiple engaging grooves 10 are connected to the inner ring groove 12.

[0032] A pressing rod 11 is slidably connected to the inner end of the locking groove 10, and multiple pressing rods 11 are connected to corresponding flexible wiping inner shafts 13. The flexible wiping inner shafts 13 are in contact with the outer side of the ruler body 2. The upper end of the cursor 1 is fixedly connected to the display screen 4.

[0033] When the utility model is working: the scheme uses the cursor 1 to slide outside the ruler body 2, and the ruler body 2 is equipped with a high-precision rack. The operation of the rack drives the circular grid piece to rotate. The photoelectric pulse counting principle is used to convert the displacement of the cursor 1 into a pulse signal, which is displayed on the corresponding span measurement value of the display screen 4. During the use of the ruler body 2, the engaging concave block 6 can be combined on the side of the ruler body 2. The engaging front block 8 outside the engaging concave block 6 can be engaged with the engaging groove 10 through the protruding block 9. The stretching corrugated jacket 7 is installed on the outside of the ruler body 2, so that the stretching corrugated jacket 7 follows the displacement of the cursor 1. It can be flexibly covered on the outer side of the ruler body 2, reducing the risk of contact between external foreign objects and the ruler body 2, which is beneficial to ensuring the measurement effect of the ruler body 2, and is easy to disassemble and flexible to use. At the same time, a flexible wiping inner shaft 13 is also provided in the front engaging block 8. The pressing rod 11 connected to the flexible wiping inner shaft 13 can be pressed by the user. After pressing the pressing rod 11, the corresponding flexible wiping inner shaft 13 is pressed down. The flexible wiping inner shaft 13 can contact with the outer wall of the ruler body 2, clean and wipe a large area of ​​the outer wall of the ruler body 2, further ensuring the measurement effect of the ruler body 2, and making the measurement process more functional.

[0034] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A span measuring device capable of combined measurement, characterized in that: The invention comprises a ruler body (2), the outer end of the ruler body (2) is slidably connected to a cursor (1), the end of the ruler body (2) away from the cursor (1) is engaged with an engaging recessed block (6), the end of the engaging recessed block (6) close to the cursor (1) is fixedly intercepted with a stretch corrugated jacket (7), the end of the stretch corrugated jacket (7) close to the cursor (1) is fixedly connected with an engaging front block (8), the left and right ends of the end of the engaging front block (8) close to the cursor (1) are fixedly connected with protruding blocks (9), the left and right ends of the end of the cursor (1) close to the engaging front block (8) are provided with engaging grooves (10), the corresponding engaging grooves (10) and the protruding blocks (9) are directly engaged with each other, and the stretch corrugated jacket (7) is located on the outer side of the ruler body (2).

2. A span measuring device capable of combined measurement according to claim 1, characterized in that: An inner ring notch (12) is provided at one end of the engaging front block (8) close to the cursor (1), and flexible wiping inner shafts (13) are provided around the inner end of the inner ring notch (12).

3. A span measuring device capable of combined measurement according to claim 2, characterized in that: The four corners of the outer end of the locking front block (8) are each provided with a locking groove (10), and a plurality of the locking grooves (10) are interconnected with the inner ring notch (12).

4. A span measuring device capable of combined measurement according to claim 3, characterized in that: The inner end of the engaging groove (10) is slidably connected to a pressing rod (11), and a plurality of the pressing rods (11) are connected to corresponding flexible wiping inner shafts (13).

5. A span measuring device capable of combined measurement according to claim 2, characterized in that: The flexible wiping inner shaft (13) is in contact with the outer side of the ruler body (2), and the upper end of the cursor (1) is fixedly connected to a display screen (4).

6. A span measuring device capable of combined measurement according to claim 1, characterized in that: The front end of the cursor (1) is fixedly connected to an adjusting shaft (15), and the lower ends of the ruler body (2) and the cursor (1) are fixedly connected to a lower ruler rod (5).

7. A span measuring device capable of combined measurement according to claim 1, characterized in that: The upper ends of the ruler body (2) and the cursor (1) are both fixedly connected to an upper ruler rod (14), and the upper end of the ruler body (2) is fixedly connected to a numerical bar (3).

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