Aluminum alloy profile for leveling instrument

Abstract

The utility model provides an aluminum alloy section bar for a leveling instrument, which belongs to the technical field of aluminum alloy section bars and comprises an aluminum alloy ruler body, a measurer, a sliding chute, a pin shaft, a concave protective frame and a positioning sleeve, a mounting groove is formed in the center of the upper surface of the aluminum alloy ruler body, and the measurer is detachably mounted in the mounting groove. Sliding grooves are formed in the left end and the right end of the aluminum alloy ruler body. According to the utility model, through the arrangement of the concave protection frame, when the aluminum alloy ruler body is carried, the concave protection frame is rotated to be horizontal, the concave protection frame is pushed towards the inner side, the concave protection frame slides along the sliding groove through the pin shaft to move towards the inner side, and when the pin shaft slides to the inner end of the sliding groove, the open end of the concave protection frame is inserted into the positioning sleeve; and at the moment, the concave protective frame wraps the measuring surface of the aluminum alloy ruler body, so that the effect of protecting the measuring surface of the aluminum alloy ruler body is achieved, the aluminum alloy ruler body is prevented from being damaged by friction in the carrying process, and the measuring precision of the aluminum alloy ruler body during use is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy section bar technical field, especially a kind of aluminium alloy section bar for level. BACKGROUND

[0002] Level is an important measuring tool, widely used in various occasions, for detecting the level, plumb or inclined position of measured surface,

[0003] Aluminium alloy has small density, but high strength, which makes aluminium alloy level have lighter weight while ensuring accuracy, is convenient for carrying and using, aluminium alloy surface can be treated using oxidation process, improves the corrosion resistance of material, thereby prolongs the service life of level, aluminium alloy has good plasticity, can be processed into level of various shapes and sizes, to adapt to different measurement requirements, so aluminium alloy section bar is usually used to make level;

[0004] The working surface of level made of aluminium alloy section bar in prior art is prone to wear during carrying due to knocking, which causes the flatness of working surface of level to be poor, and affects the accuracy during measurement, so a kind of aluminium alloy section bar for level is designed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the above background art, and provides a kind of aluminium alloy section bar for level.

[0006] The utility model aims at solving the problems in the above background art, and provides a kind of aluminium alloy section bar for level.

[0007] The utility model provides a kind of aluminium alloy section bar for level, including aluminium alloy ruler body, measurer, sliding slot, pin shaft, concave protection frame, positioning sleeve, the upper surface central of aluminium alloy ruler body is equipped with installation groove, measurer is detachably installed in the installation groove, the left and right ends of aluminium alloy ruler body are all equipped with sliding slot, pin shaft is slidably arranged in the sliding slot, pin shaft is fixedly provided with concave protection frame, the left and right side inner ends of aluminium alloy ruler body are fixedly provided with positioning sleeve.

[0008] Preferably, the concave protection frame is horizontal, and when the pin shaft slides to the inner side of the sliding slot, the open end of the concave protection frame is inserted into the positioning sleeve, and at this time, the concave protection frame is wrapped on the measuring surface of the aluminium alloy ruler body.

[0009] Preferably, when the pin shaft slides to the outer end of the sliding slot, the open end of the concave protection frame is out of the positioning sleeve.

[0010] Preferably, the opening of the positioning sleeve matches the opening of the concave protection frame, and the positioning sleeve is provided with a frosted rubber layer.

[0011] Preferably, the measurer is matched with the mounting groove.

[0012] Preferably, the mounting groove is provided with positioning grooves at the left and right ends of the inner and outer sides, and the measurer is fixedly provided with mounting assemblies on the upper surface of the left and right sides, the mounting assemblies comprise four inverted L-shaped slots provided on the inner and outer sides of the left and right ends of the upper surface of the measurer, the inverted L-shaped slots are slidingly provided with inverted L-shaped plug-in plates, and springs are fixedly arranged between the end portions of the inverted L-shaped plug-in plates and the inverted L-shaped slots.

[0013] Preferably, the inverted L-shaped slots penetrate the side surface of the measurer, and when the spring is in a natural elongation state, the end portion of the inverted L-shaped plug-in plate protrudes out of the inverted L-shaped slot, and when the spring is in a maximum compression state, the inverted L-shaped plug-in plate is completely embedded in the inverted L-shaped slot.

[0014] Preferably, the end portion of the inverted L-shaped plug-in plate matches the positioning groove, and when the measurer is embedded in the mounting groove, the horizontal height of the portion of the inverted L-shaped plug-in plate protruding out of the inverted L-shaped slot is equal to the horizontal height of the positioning groove, and the inverted L-shaped plug-in plate is inserted into the positioning groove.

[0015] Preferably, the outer side of the upper surface of the aluminum alloy ruler body is engraved with a centimeter scale.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] 1、The utility model discloses a concave protection frame is arranged, in the process of carrying the aluminum alloy ruler body, the concave protection frame is rotated horizontally, and the concave protection frame is pushed to the inboard, the concave protection frame slides to the inboard along the sliding slot through the pin shaft, when the pin shaft slides to the inner end of the sliding slot, the opening end of the concave protection frame is inserted into the positioning sleeve, and the concave protection frame is wrapped on the measuring surface of the aluminum alloy ruler body at this time, the effect of protecting the measuring surface of the aluminum alloy ruler body is realized, the measuring precision of the aluminum alloy ruler body is guaranteed when using.

[0018] 2、When the utility model needs to use the aluminum alloy ruler body to measure, the opening end of the concave protection frame is pulled to the outboard, so that the opening end of the concave protection frame is separated from the positioning sleeve, and then the pin shaft is rotated along the sliding slot, so that the concave protection frame is rotated to the vertical state, the measuring surface of the aluminum alloy ruler body is exposed, the measuring surface of the aluminum alloy ruler body is conveniently attached to the article to be measured, and the effect of measurement is realized.

[0019] 3. The utility model discloses a positioning groove and installation component are provided, need to install the measurer in the installation groove, two hands are respectively used index finger and thumb to pinch the two inverted L-shaped bolt plates of measurer upper surface left and right sides, make inverted L-shaped bolt plate complete receipt in inverted L-shaped groove, spring is at compression state, then aligns the installation groove with measurer, and the measurer is embedded in the installation groove, and then releases four inverted L-shaped bolt plates, and the elasticity of spring makes four inverted L-shaped bolt plates end insert in positioning groove, can realize the installation of measurer, simple operation, convenient, and the measurer needs to be disassembled, and two hands are respectively used index finger and thumb to pinch the two inverted L-shaped bolt plates of measurer upper surface left and right sides, make inverted L-shaped bolt plate complete receipt in inverted L-shaped groove, inverted L-shaped bolt plate does not extend into positioning groove at this moment, and the measurer can be disassembled from the installation groove by pulling up or pushing down the measurer, simple operation, convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0021] Figure 1 For the overall structure of the utility model is three-dimensional schematic Figure One .

[0022] Figure 2 For the overall structure of the utility model is three-dimensional schematic Figure Two .

[0023] Figure 3 For the overall structure of the utility model is split schematic view.

[0024] Figure 4 For the utility model measurer local structure vertical cutting schematic view.

[0025] [Reference signs]

[0026] 1, aluminum alloy ruler body; 101, installation groove; 102, positioning groove; 2, measurer; 201, inverted L-shaped groove; 202, inverted L-shaped bolt plate; 203, spring; 3, sliding groove; 4, pin shaft; 5, concave protection frame; 6, positioning sleeve; 7, centimeter scale. DETAILED DESCRIPTION

[0027] Embodiment:

[0028] As Figures 1-4The utility model discloses an aluminium alloy section bar for level, including aluminium alloy ruler body 1, measurer 2, sliding slot 3, pin shaft 4, concave protection frame 5, positioning sleeve 6, the upper surface central of aluminium alloy ruler body 1 is equipped with the installation groove 101, the installation groove 101 is detachably installed with measurer 2, and the left and right two ends of aluminium alloy ruler body 1 are all equipped with sliding slot 3, and the sliding slot 3 is slidably provided with pin shaft 4, and pin shaft 4 is fixedly provided with concave protection frame 5, and the left and right sides inner end of aluminium alloy ruler body 1 is fixedly provided with positioning sleeve 6.

[0029] In the embodiment, the concave protection frame 5 is in a horizontal state, and when the pin shaft 4 slides to the inner side of the sliding slot 3, the open end of the concave protection frame 5 is inserted into the positioning sleeve 6, and at this time, the concave protection frame 5 is wrapped on the measuring surface of the aluminium alloy ruler body 1, achieving the effect of protecting the measuring surface of the aluminium alloy ruler body 1.

[0030] In the embodiment, when the pin shaft 4 slides to the outer end of the sliding slot 3, the open end of the concave protection frame 5 is pulled out of the positioning sleeve 6, which facilitates the rotation of the concave protection frame 5 along the sliding slot 3 through the pin shaft to the vertical state, and the normal use of the level.

[0031] In the embodiment, the opening of the positioning sleeve 6 matches the openings of the concave protection frame 5, and the positioning sleeve 6 is provided with a ground glass rubber layer, which increases the friction coefficient of the inner surface of the positioning sleeve 6 and the friction force when the concave protection frame 5 is inserted into the positioning sleeve 6, ensuring the stability of the concave protection frame 5 when protecting the aluminium alloy ruler body 1.

[0032] By setting the concave protection frame 5, during the carrying process of the aluminium alloy ruler body 1, the concave protection frame 5 is rotated to a horizontal state, and is pushed inward, and the concave protection frame 5 moves inward along the sliding slot 3 through the pin shaft 4, when the pin shaft 4 slides to the inner end of the sliding slot 3, the open end of the concave protection frame 5 is inserted into the positioning sleeve 6, and at this time, the concave protection frame 5 is wrapped on the measuring surface of the aluminium alloy ruler body 1, achieving the effect of protecting the measuring surface of the aluminium alloy ruler body 1, preventing the aluminium alloy ruler body 1 from being damaged by friction during the carrying process, and ensuring the measuring accuracy of the aluminium alloy ruler body 1 during use;

[0033] When the aluminium alloy ruler body 1 needs to be used for measurement, the open end of the concave protection frame 5 is pulled out of the positioning sleeve 6 by pulling the concave protection frame 5 outward, and then the concave protection frame 5 is rotated to a vertical state along the sliding slot 3 through the pin shaft 4, which facilitates the exposure of the measuring surface of the aluminium alloy ruler body 1, facilitates the adhesion of the measuring surface of the aluminium alloy ruler body 1 to the object to be measured, and achieves the effect of measurement.

[0034] In the embodiment, the measurer 2 matches the installation groove 101, ensuring the stability of the measurer 2 installed in the installation groove 101.

[0035] In this embodiment, the inner and outer sides of the mounting groove 101 are provided with positioning grooves 102, and the upper surface of the measurer 2 is fixedly provided with mounting assemblies, which include four inverted L-shaped grooves 201 provided on the inner and outer sides of the upper surface of the measurer 2, and the inverted L-shaped grooves 201 are slidingly provided with inverted L-shaped latch plates 202, and the ends of the inverted L-shaped latch plates 202 and the ends of the inverted L-shaped grooves 201 are fixedly provided with springs 203.

[0036] In this embodiment, the inverted L-shaped grooves 201 penetrate the side surface of the measurer 2, and when the spring 203 is in a natural elongation state, the end of the inverted L-shaped latch plate 202 protrudes from the inverted L-shaped groove 201, and when the spring 203 is in a maximum compression state, the inverted L-shaped latch plate 202 is completely embedded in the inverted L-shaped groove 201, facilitating the disassembly and assembly of the measurer 2.

[0037] In this embodiment, the end of the inverted L-shaped latch plate 202 matches the positioning groove 102, and when the measurer 2 is embedded in the mounting groove 101, the horizontal height of the part of the inverted L-shaped latch plate 202 protruding from the inverted L-shaped groove 201 is equal to the horizontal height of the positioning groove 102, and the inverted L-shaped latch plate 202 is inserted into the positioning groove 102, achieving the effect of positioning.

[0038] By providing the positioning groove 102 and the mounting assembly, when it is necessary to install the measurer 2 in the mounting groove 101, the two inverted L-shaped latch plates 202 on the left and right sides of the upper surface of the measurer 2 are pinched by the index finger and the thumb of one hand respectively, so that the inverted L-shaped latch plates 202 are completely accommodated in the inverted L-shaped grooves 201, and the spring 203 is in a compressed state, then the measurer 2 is aligned with the mounting groove 101, the measurer is embedded in the mounting groove 101, and then the four inverted L-shaped latch plates 202 are released, and the elasticity of the spring 203 causes the ends of the four inverted L-shaped latch plates 202 to be inserted into the positioning groove 102, thereby achieving the installation of the measurer 2, which is simple and convenient to operate. Similarly, when it is necessary to disassemble the measurer 2, the two inverted L-shaped latch plates 202 on the left and right sides of the upper surface of the measurer 2 are pinched by the index finger and the thumb of one hand respectively, so that the inverted L-shaped latch plates 202 are completely accommodated in the inverted L-shaped grooves 201, and at this time the inverted L-shaped latch plates 202 will not protrude into the positioning groove 102, and the measurer 2 can be pulled up or pushed down to be disassembled from the mounting groove 101, which is simple and convenient to operate.

[0039] In this embodiment, the outer side of the upper surface of the aluminum alloy ruler body 1 is marked with a centimeter scale 7.

[0040] By providing the centimeter scale 7, the aluminum alloy ruler body 1 can be used as a common steel ruler, increasing the practicality.

[0041] The above is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application.

Claims

1. An aluminum alloy profile for use as a spirit level, characterized in that: The device includes an aluminum alloy ruler (1), a measuring device (2), a sliding groove (3), a pin (4), a concave protective frame (5), and a positioning sleeve (6). The upper surface of the aluminum alloy ruler (1) has a mounting groove (101) in the center. The measuring device (2) is detachably installed in the mounting groove (101). The left and right ends of the aluminum alloy ruler (1) have sliding grooves (3). The pin (4) is slidably installed in the sliding groove (3). The concave protective frame (5) is fixedly installed on the pin (4). The positioning sleeve (6) is fixedly installed on the inner ends of the left and right sides of the aluminum alloy ruler (1).

2. The aluminum alloy profile for a spirit level according to claim 1, characterized in that: The concave protective frame (5) is horizontal, and when the pin (4) slides to the inside of the slide groove (3), the open end of the concave protective frame (5) is inserted into the positioning sleeve (6), and at this time the concave protective frame (5) is wrapped around the measuring surface of the aluminum alloy ruler (1).

3. The aluminum alloy profile for a spirit level according to claim 2, characterized in that: When the pin (4) slides to the outer end of the groove (3), the open end of the concave protective frame (5) comes out from the positioning sleeve (6).

4. The aluminum alloy profile for a spirit level according to claim 3, characterized in that: The opening of the positioning sleeve (6) matches the two ends of the opening of the concave protective frame (5), and a frosted rubber layer is provided inside the positioning sleeve (6).

5. The aluminum alloy profile for a spirit level according to claim 1, characterized in that: The measuring instrument (2) is matched with the mounting slot (101).

6. The aluminum alloy profile for a spirit level according to claim 5, characterized in that: The mounting groove (101) has positioning grooves (102) on both the inner and outer sides and the left and right ends. The measuring device (2) has mounting components fixedly installed on both the left and right sides of its upper surface. The mounting components include four inverted L-shaped grooves (201) on the inner and outer sides of the left and right ends of the upper surface of the measuring device (2). The inverted L-shaped grooves (201) are slidably provided with inverted L-shaped pin plates (202). A spring (203) is fixedly installed between the inverted L-shaped pin plates (202) and the ends of the inverted L-shaped grooves (201).

7. The aluminum alloy profile for a spirit level according to claim 6, characterized in that: The inverted L-shaped groove (201) extends through the side of the measuring device (2), and when the spring (203) is in a naturally extended state, the end of the inverted L-shaped pin plate (202) extends out of the inverted L-shaped groove (201), and when the spring (203) is in a maximum compressed state, the inverted L-shaped pin plate (202) is completely embedded in the inverted L-shaped groove (201).

8. The aluminum alloy profile for a spirit level according to claim 7, characterized in that: The end of the inverted L-shaped pin plate (202) matches the positioning groove (102), and when the measuring device (2) is embedded in the mounting groove (101), the horizontal height of the part of the inverted L-shaped pin plate (202) extending out of the inverted L-shaped groove (201) is equal to the horizontal height of the positioning groove (102), and the inverted L-shaped pin plate (202) is inserted into the positioning groove (102).

9. The aluminum alloy profile for a spirit level according to any one of claims 1-8, characterized in that: The outer surface of the upper surface of the aluminum alloy ruler (1) is engraved with centimeter scale (7).

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