Telescopic leveling instrument

Abstract

The utility model aims to solve the problem that the conventional leveling instrument is inconvenient to measure a longer length, and provides a telescopic leveling instrument which comprises a level bubble for detecting a level state, the ruler further comprises a main ruler and an auxiliary ruler. Wherein the auxiliary ruler is in sliding fit with the main ruler, and the length direction of the auxiliary ruler is consistent with that of the main ruler; the sliding direction of the auxiliary ruler is consistent with the length direction of the main ruler; the main ruler and the auxiliary ruler are respectively provided with length scales along the length direction, and the main ruler is provided with a level bubble; the main ruler is also provided with a tightness adjusting structure and a clamping structure. The tightness adjusting structure comprises a pressing block capable of abutting against the auxiliary ruler, and the position of the pressing block can be adjusted. The clamping structure comprises a clamping block used for clamping the auxiliary ruler. The telescopic length of the auxiliary ruler is conveniently controlled, the tightness is adjusted, and the purpose of conveniently completing length detection is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ruler, especially to a telescopic level. BACKGROUND

[0002] The level is a kind of tool for judging the horizontal state of measured plane by the displacement of water level bubble using liquid level principle, such as the content shown in the patent with the authorized announcement number CN222481483U.The level measuring surface is usually linear, so a scale is usually arranged on the level to make it have length measurement function and enrich its functionality.Meanwhile, the existing level is usually single length, and in some specific environments, such as measuring the horizontal state or distance between two objects, the distance between the two objects exceeds the length of the level, so a telescopic level with length measurement function is needed. SUMMARY

[0003] The utility model aims at solving the prior art's insufficient, provide a telescopic level.

[0004] To solve the above problem, the utility model adopts the following scheme:

[0005] A telescopic level, comprising a water level bubble for detecting the horizontal state, further comprising a main ruler and a sub ruler, wherein the sub ruler is in sliding cooperation with the main ruler, the length direction of the sub ruler is consistent with the length direction of the main ruler, and the sliding direction of the sub ruler is consistent with the length direction of the main ruler; the main ruler and the sub ruler are respectively provided with length scales along the length direction, and the main ruler is provided with a water level bubble; the main ruler is further provided with a tension adjusting structure and a clamping structure; the tension adjusting structure comprises a pressing block capable of abutting against the sub ruler, and the position of the pressing block is adjustable; the clamping structure comprises a clamping block for clamping the sub ruler.

[0006] Further, a tension screw for tightening is arranged between the pressing block and the main ruler.

[0007] Further, the tension screw is connected with the pressing block close to the sub ruler through screw thread after passing through the main ruler; the tension screw is in rotary cooperation with the main ruler, and a clamping spring buckle for clamping the main ruler is further arranged on the tension screw; a tension clamping groove for limiting the rotation of the pressing block is further arranged between the pressing block and the main ruler.

[0008] Further, the clamping block is in rotary connection with the main ruler; when the clamping block rotates, the clamping block and the sub ruler are switched between the abutting state and the releasing state.

[0009] Further, the main ruler is further provided with a clamping position spring sheet matched with the clamping block, the clamping position spring sheet is fixedly arranged on one side of the main ruler close to the sub ruler, and the clamping position spring sheet is located between the clamping block and the sub ruler; when the clamping block rotates, the clamping position spring sheet is controlled to be bent.

[0010] Further, the side of the card block is provided with a protrusion matched with the main ruler, which is used for clamping the card block rotated to a set angle.

[0011] Further, the side of the main ruler close to the auxiliary ruler is provided with a sliding groove matched with the auxiliary ruler, and the auxiliary ruler is embedded in the sliding groove and slides.

[0012] Further, the end of the main ruler in the sliding direction of the auxiliary ruler is further provided with a first roller matched with the auxiliary ruler, and the first roller is matched with the upper side and / or lower side of the auxiliary ruler.

[0013] Further, the end of the auxiliary ruler away from the main ruler is provided with a second roller matched with the main ruler, and the second roller is rotatably arranged on the upper surface and / or lower surface of the auxiliary ruler, and the second roller is matched with the side wall of the sliding groove in the main ruler.

[0014] Further, the sliding groove of the main ruler is further provided with a baffle at the end close to the sliding direction of the auxiliary ruler, and the end of the auxiliary ruler is provided with a stopper matched with the baffle and used for preventing the auxiliary ruler from being pulled out of the sliding groove.

[0015] The utility model discloses the beneficial effects are:

[0016] By setting the tightness adjusting structure and the clamping structure, the former is used for adjusting the tightness degree of the auxiliary ruler relative to the main ruler, and the latter is used for fixing the extension length of the auxiliary ruler, so that the extension length of the auxiliary ruler is conveniently controlled, and the length detection is conveniently completed.

[0017] By setting the tightness adjusting structure including a tightness screw, cooperating with a clasp spring buckle, the length of the tightness screw is controlled to be rotated into the pressing block, and then the pressing force of the pressing block on the auxiliary ruler is adjusted.

[0018] By setting the baffle matched with the stopper, the auxiliary ruler is prevented from being pulled out of the main ruler, and the maximum sliding range of the auxiliary ruler is limited. DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of embodiment 1;

[0020] Figure 2 It is the whole structure schematic view of another angle of embodiment 1;

[0021] Figure 3 It is the schematic view of the auxiliary ruler extension main ruler of embodiment 1;

[0022] Figure 4 It is the sliding groove schematic view of the main ruler of embodiment 1;

[0023] Figure 5 It is the schematic view of the tightness adjusting structure and the clamping structure of embodiment 1;

[0024] Figure 6Front view of the tightness adjusting structure and the clamping structure of Example 1;

[0025] Figure 7 A-A cross-sectional view of Figure 6

[0026] Figure 8 Exploded view of the tightness adjusting structure and the clamping structure of Example 1;

[0027] Figure 9 Auxiliary ruler of Example 1.

[0028] The figure mark explanation: level bubble 1, main ruler 2, sliding groove 21, first roller 22, baffle 23, first supporting leg 24, containing piece 25, tightness clamping groove 26, clamping hole 27, auxiliary ruler 3, second roller 31, stopper 32, second supporting leg 33, handle 34, tightness adjusting structure 4, pressing block 41, tightness screw 42, clamping spring buckle 43, clamping structure 5, pushing piece 51, resisting block 52, clamping position elastic piece 53, convex block 54. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail with specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art from the contents disclosed in the present specification. The present application can also be implemented or applied in other different embodiments, and each detail in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0030] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components in actual implementation. The shape, number and proportion of each component in actual implementation can be randomly changed, and the component layout pattern can also be more complex.

[0031] Example 1:

[0032] ​A telescopic level gauge, comprising a level bubble 1 for detecting a level state; further comprising a main ruler 2 and a sub ruler 3; wherein the sub ruler 3 is in sliding fit with the main ruler 2, the length direction of the sub ruler 3 is consistent with the length direction of the main ruler 2; the sliding direction of the sub ruler 3 is consistent with the length direction of the main ruler 2; the main ruler 2 and the sub ruler 3 are respectively provided with length scales along the length direction, when the sub ruler 3 slides out of the main ruler 2 along the length direction of the main ruler 2, the measuring distance can be extended, and the trouble of segmented measurement can be avoided or reduced; in the example, the length scale on the main ruler 2 is located on the top surface of the main ruler 2, and the length scale on the sub ruler 3 is located on the front surface of the sub ruler 3; the main ruler 2 is provided with the level bubble 1; the main ruler 2 is further provided with a tension adjusting structure 4 and a clamping structure 5; the tension adjusting structure 4 comprises a pressing block 41 capable of abutting against the sub ruler 3, the position of the pressing block 41 can be adjusted, by adjusting the pressing block 41, the sub ruler 3 can be clamped appropriately, so as to avoid that there is a large gap between the sub ruler 3 and the main ruler 2, which makes the sub ruler 3 loose and easy to slide out of the main ruler 2, and interference is caused; the clamping structure 5 comprises a clamping block for clamping the sub ruler 3, when the clamping block abuts against the sub ruler 3, the sub ruler 3 can be clamped, and the length of the sub ruler 3 extending out of the main ruler 2 can be controlled.

[0033] A tension screw 42 for jacking is arranged between the pressing block 41 and the main ruler 2; the tension screw 42 is connected with the pressing block 41 close to the sub ruler 3 through threads after passing through the main ruler 2; the tension screw 42 is in rotational fit with the main ruler 2, a clamping spring buckle 43 for clamping the main ruler 2 is further arranged on the tension screw 42, so that the tension screw 42 can rotate in the hole arranged on the main ruler 2 while maintaining a relatively close fit relationship with the main ruler 2; a tension clamping groove 26 for limiting the rotation of the pressing block 41 is further arranged between the pressing block 41 and the main ruler 2, so as to avoid that the pressing block 41 rotates with the tension screw 42 when the tension screw 42 rotates. In the example, a threaded hole for clamping fit with the tension screw 42 is arranged at the middle part of the pressing block 41, after the tension screw 42 is rotated, the length of the tension screw 42 located in the pressing block 41 will change, while the relative position between the tension screw 42 and the main ruler 2 remains unchanged due to the clamping effect of the clamping spring buckle 43, thereby causing the pressing block 41 to be pushed towards or away from the sub ruler 3.

[0034] The card block is rotationally connected with the main ruler 2; when the card block rotates, the card block and the auxiliary ruler 3 switch between the state of abutting and releasing; in this example, the shape of the card block as a whole is L-shaped, one end of the card block is provided as a knob 51, and the other end is provided as a semicylindrical abutting block 52, the end of the card block provided as the knob 51 is exposed to the opening position on the main ruler 2; the middle part of the card block is rotationally connected with the main ruler 2, when the end of the knob 51 of the card block rotates, the other end of the card block provided as the abutting block 52 follows the action, so as to abut against or release the auxiliary ruler 3; wherein the side surface of the knob 51 of the card block is further provided with a protrusion 54 which is clamped and matched with the clamping hole 27 on the main ruler 2, through the matching of the protrusion 54 and the clamping hole 27, the card block which is pressed against the auxiliary ruler can be prevented from easily rotating, and the auxiliary ruler can be prevented from being loosened.

[0035] The main ruler 2 is further provided with a clamping position elastic sheet 53 matched with the card block, the clamping position elastic sheet 53 is fixedly arranged on the side of the main ruler 2 close to the auxiliary ruler 3, and the clamping position elastic sheet 53 is located between the card block and the auxiliary ruler 3; when the card block rotates, the clamping position elastic sheet 53 is controlled to bend and deform, the auxiliary ruler 3 is directly contacted by the clamping position elastic sheet 53, and the auxiliary ruler 3 is abutted against or released.

[0036] The side of the main ruler 2 close to the auxiliary ruler 3 is provided with a sliding groove 21 which is slidably matched with the auxiliary ruler 3, and the auxiliary ruler 3 is embedded in the sliding groove 21 to slide. The end of the main ruler 2 located in the sliding-out direction of the auxiliary ruler 3 is further provided with a first roller shaft 22 which is rollingly matched with the auxiliary ruler 3, the first roller shaft 22 is rollingly matched with the upper surface and / or the lower surface of the auxiliary ruler 3, and the first roller shaft 22 is located in the sliding groove 21. The end of the auxiliary ruler 3 away from the sliding-out direction of the main ruler 2 is provided with a second roller shaft 31 which is rollingly matched with the main ruler 2, the second roller shaft 31 is rotationally arranged on the upper surface and / or the lower surface of the auxiliary ruler 3, and the second roller shaft 31 is rollingly matched with the side wall of the sliding groove 21 in the main ruler 2. Through the matching of the first roller shaft 22 and the second roller shaft 31, the sliding friction between the main ruler 2 and the auxiliary ruler 3 is reduced, the side surfaces of the main ruler 2 and the auxiliary ruler 3 are closely matched, and the auxiliary ruler 3 can be easily pulled out of or pushed into the main ruler 2.

[0037] The end of the sliding groove 21 of the main ruler 2 close to the sliding-out direction of the auxiliary ruler 3 is further provided with a baffle 23, and the end of the auxiliary ruler 3 is provided with a stop block 32 corresponding to the baffle 23 for preventing the auxiliary ruler 3 from being pulled out of the sliding groove 21; in this example, the baffle 23 and the clamping position elastic sheet 53 are integrally made, and the middle part of the square baffle 23 is provided with a U-shaped through groove, so as to form the clamping position elastic sheet 53 with the bending and resetting capabilities. The stop block 32 is inserted into the end of the auxiliary ruler 3 and is fixedly connected with the auxiliary ruler 3 through a threaded structure, and after the threaded structure connection between the two is contacted, the stop block 32 can be separated from the auxiliary ruler 3, at this time, the auxiliary ruler 3 can be pulled out of the main ruler 2, so as to realize the separation of the two, and facilitate the replacement of parts or maintenance.

[0038] The main ruler 2 is provided with at least two level bubbles 1; the two level bubbles 1 are respectively oriented towards a set direction, in this case, the two level bubbles 1 are oriented towards directions lying in the same plane, and the orientations of the two level bubbles 1 are spaced 90° apart.

[0039] The main ruler 2 is provided with a first supporting leg 24 at an end away from the sliding-out direction of the auxiliary ruler 3; the auxiliary ruler 3 is provided with a second supporting leg 33 at an end close to the sliding-out direction thereof; the first supporting leg 24 and the second supporting leg 33 are respectively used for abutting against a detection plane; the first supporting leg 24 and the second supporting leg 33 are both made of anti-skid material, which on one hand avoids the back surface of the auxiliary ruler 3 directly contacting with the detection plane, facilitating pulling out the auxiliary ruler 3, and on the other hand can increase the friction between the auxiliary ruler 3 and the detection plane, preventing slipping.

[0040] The main ruler 2 is further provided with a containing piece 25 for containing the tightness adjusting structure 4 and the clamping structure 5; the containing piece 25 is connected with an opening on the main ruler 2 through a buckle structure; the tightness adjusting structure 4 and the clamping structure 5 are arranged on the containing piece 25, which aims at facilitating replacement or maintenance of the vulnerable parts, reducing the maintenance cost. The containing piece 25 is arranged in the opening on the front surface of the main ruler 2.

[0041] The auxiliary ruler 3 is further provided with a handle 34 at an end pulled out of the main ruler 2, which is convenient for gripping and hanging.

[0042] In the implementation process, the tightness adjusting structure 4 and the clamping structure 5 are arranged, the former is used for adjusting the tightness degree of the auxiliary ruler 3 relative to the main ruler 2, and the latter is used for fixing the extension length of the auxiliary ruler 3, so as to conveniently control the extension length of the auxiliary ruler 3, and conveniently complete the length detection; the tightness adjusting structure 4 includes a tightness screw 42, cooperates with a clasp spring buckle 43, controls the length of the tightness screw 42 turning into the pressing block 41, and further adjusts the clamping force of the pressing block 41 to the auxiliary ruler 3; the baffle 23 cooperates with the stop block 32, avoiding the auxiliary ruler 3 from being pulled out of the main ruler 2, and limiting the maximum sliding range of the auxiliary ruler 3.

[0043] The above description is only one specific example of the present application, and does not constitute any limitation on the present application. Obviously, for those skilled in the art, after understanding the content and principle of the present application, various modifications and changes in form and details can be made without departing from the principle and structure of the present application, but these modifications and changes based on the idea of the present application are still within the protection scope of the claims of the present application.

Claims

1. A retractable level comprising a spirit level bubble (1) for detecting a level condition; characterized in that, Also include the main ruler (2) and the vice ruler (3), wherein the vice ruler (3) and the main ruler (2) sliding fit, the length direction of the vice ruler (3) and the length direction of the main ruler (2) are consistent, the sliding direction of the vice ruler (3) and the length direction of the main ruler (2) are consistent, the main ruler (2) and the vice ruler (3) are provided with length scale along the length direction respectively, the main ruler (2) is provided with bubble level (1), the main ruler (2) is still provided with tightness adjusting structure (4) and clamping structure (5), the tightness adjusting structure (4) includes the pressure block (41) that can resist the vice ruler (3), the position of the pressure block (41) can be adjusted, the clamping structure (5) includes the clamping block for clamping the vice ruler (3), The pressure block (41) and the main ruler (2) are provided with the tightness screw (42) for jacking between them, The tightness screw (42) is connected through the thread after passing through the main ruler (2) and the pressure block (41) close to the vice ruler (3), the tightness screw (42) and the main ruler (2) are rotatably connected, the tightness screw (42) is still provided with the clamping spring buckle (43) for clamping the main ruler (2), the pressure block (41) and the main ruler (2) are still provided with the tightness clamping groove (26) for limiting the rotation of the pressure block (41).

2. A retractable level according to claim 1, wherein, The clamping block and the main ruler (2) are rotatably connected, when the clamping block rotates, the clamping block and the vice ruler (3) are switched between the state of abutting and releasing.

3. A retractable level according to claim 2, wherein, The main ruler (2) is still provided with the clamping position elastic sheet (53) matched with the clamping block, the clamping position elastic sheet (53) is fixedly arranged on the side of the main ruler (2) close to the vice ruler (3), and the clamping position elastic sheet (53) is located between the clamping block and the vice ruler (3), when the clamping block rotates, the clamping position elastic sheet (53) is controlled to be bent.

4. A retractable level according to claim 2, wherein, The side surface of the clamping block is provided with the convex block (54) matched with the main ruler clamping, for clamping the clamping block rotated to the set angle.

5. A retractable level according to claim 1, wherein, The side of the main ruler (2) close to the vice ruler (3) is provided with the sliding groove (21) slidably matched with the vice ruler (3), and the vice ruler (3) is embedded in the sliding groove (21) and slides.

6. A retractable level according to claim 5, wherein, The end of the main ruler (2) located in the direction of the vice ruler (3) sliding out is still provided with the first roller (22) rollingly matched with the vice ruler (3), and the first roller (22) is rollingly matched with the upper side and / or the lower side of the vice ruler (3).

7. A retractable level according to claim 6, wherein, The end of the vice ruler (3) away from the main ruler (2) is provided with the second roller (31) rollingly matched with the main ruler (2), the second roller (31) is rotatably arranged on the upper surface and / or the lower surface of the vice ruler (3), and the second roller (31) is rollingly matched with the side wall of the sliding groove (21) in the main ruler (2).

8. A retractable level according to claim 5, wherein, The sliding groove (21) of the main ruler (2) is still provided with the baffle (23) at the end close to the direction of the vice ruler (3) sliding out, and the end of the vice ruler (3) is provided with the stop block (32) corresponding to the baffle (23) for preventing the vice ruler (3) from being taken out of the sliding groove (21).

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