Novel positioning seam-reserving leveler for reserving expansion joint

Abstract

The utility model provides a novel positioning seam-reserving leveler for reserving an expansion joint, which comprises a telescopic metal rod, a circular connecting piece is welded at the bottom of the telescopic end of the telescopic metal rod, an ejector pin is welded at the bottom of the circular connecting piece, and grooves for embedding and installing Y-shaped movable wings are arranged on two sides of the metal rod; the Y-shaped movable wing comprises two long rods, tail end bearings are mounted at the tails of the long rods, in-sleeve bearings are mounted at the front ends of the long rods, and the in-sleeve bearings and the circular connecting pieces are anchored and assembled through triangular connecting pieces; the in-sleeve bearing, the circular connecting piece, the triangular connecting piece and the ejector pin are all located in the sleeve and can move up and down in the sleeve, and the tail end of the ejector pin extends out of the sleeve. By reducing the contact area of the tail end and concrete in a brick joint, the problem that the needle head is sunk into cement due to the fact that the installation position is too deep can be avoided, and the situation that rotation resetting operation needs to be carried out in the installation process due to the fact that the width of the pin is larger than that of the brick joint can be avoided through the movable pin. And the seam leveling quality problem caused by manual operation factors is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of the design of construction tools, and particularly relates to a new positioning joint leveling device for reserving expansion joints. Background Art

[0002] During the on-site renovation project, problems often occur during the tile paving process, such as unreasonable reservation of expansion joints and uneven widths of tile joints. These problems will not only seriously affect the flatness of the entire wall surface, but also affect the normal progress of subsequent construction if the quality acceptance fails. Usually, the method of using ready-made positioning joint leveling devices on the market is adopted to improve the qualification rate of on-site brick joints, but there is still a problem of insufficient one-time completion rate, that is, the effect after the existing positioning joint leveling device on the site is installed by workers is not ideal, and there is still a problem that the installed joint leveling device will also be stained with the filled cement, and there is also a problem that it is difficult to pull out after the cement is solidified later. Most of the existing positioning joint leveling devices adopt the traditional T-shaped needle structure, which has high technical requirements for on-site construction workers, and there are various subsequent problems caused by improper operation. At the same time, there are high requirements for the installation depth and rotation angle of the brick joints, which greatly increases the operation difficulty during the joint leveling process. In the general environment where the quality control requirements in the construction site are increasing day by day, it is urgent to design a new positioning joint leveling device for reserving expansion joints, which can not only ensure simple operation during the construction process, but also ensure better achieved effects after joint leveling. Content of the Utility Model

[0003] Aiming at the deficiencies existing in the prior art, the utility model provides a new positioning joint leveling device for reserving expansion joints. By adopting a joint leveling device with a new end structure, the contact area between the end and the concrete in the brick joint is reduced, so as to avoid the problem of the needle head sinking into the cement caused by too deep installation position. By designing a movable pin, the operation of rotating and resetting during the installation process can be avoided due to the width of the pin being greater than the width of the brick joint. At the same time, the structure is simple, the operation is easy, and the storage is convenient, effectively reducing the problems that may cause errors during the construction process.

[0004] The utility model realizes the above technical purpose through the following technical means.

[0005] A novel positioning jointing and leveling device for reserving expansion joints, comprising a metal rod. The metal rod is of a telescopic structure, and a circular connecting piece is welded to the bottom of its telescopic end. A thimble is welded to the bottom of the circular connecting piece. Grooves for embedding and installing Y-shaped movable wings are arranged on both sides of the metal rod. The Y-shaped movable wing includes two long rods. End bearings are installed at the tails of the long rods, and inner sleeve bearings are installed at the fronts of the long rods. The inner sleeve bearings are located above the circular connecting piece. The inner sleeve bearings, the circular connecting piece are assembled and connected through a triangular connecting piece and an anchor bolt at the back. The inner sleeve bearings, the circular connecting piece, the triangular connecting piece and the thimble are all located inside the sleeve and can move up and down inside the sleeve, and the end of the thimble extends out of the sleeve.

[0006] Further, when the thimble is not inserted into the brick joint, the Y-shaped movable wing retracts into the grooves on both sides of the metal rod.

[0007] Further, when the end thimble of the leveling device contacts the bottom of the brick joint, its action reaches inside the sleeve, and the Y-shaped movable wing pops out of the groove until the end width of the Y-shaped movable wing is greater than the width of the tile joint. The on-site operator pulls up the entire leveling device, and the end bearing of the Y-shaped movable wing abuts against the brick joint and unfolds outward along the back of the brick until the Y-shaped movable wing becomes a flat T-shaped for fixing the position of the brick joint. After the position of the tile is fixed, the leveling device is removed by rotating 90°.

[0008] Further, the lower part of the leveling device is made of stainless steel with a nano coating, and the Y-shaped movable wing is made of composite steel.

[0009] Further, the inside of the sleeve is lubricated.

[0010] The utility model has the following beneficial effects:

[0011] By adopting a jointing and leveling device with a new end structure, the utility model reduces the contact area between the end and the concrete in the brick joint, and avoids the problem that the needle tip sinks into the cement due to the too deep installation position. By designing a movable pin, it can also avoid the operation of rotating and resetting during the installation process due to the width of the pin being greater than the width of the brick joint, optimizes the installation process of the leveling device, and reduces the quality problems of jointing and leveling caused by human operation factors.

[0012] The utility model also features a simple structure and easy operation. It adopts a foldable structure, ensuring the reuse of the leveling device, reducing production costs, and facilitating more convenient storage when not in use, compressing the storage space, simplifying the operation during the installation process, and facilitating the preservation after the installation process is completed. Description of the Drawings

[0013] Figure 1Schematic diagram of a new type of positioning jointing and leveling device for reserving expansion joints;

[0014] Figure 2 Detail drawing of the installation of the end bearing on the Y-shaped movable wing;

[0015] Figure 3 Detail drawing of the connection of the lower structure of a new type of positioning jointing and leveling device for reserving expansion joints;

[0016] Figure 4 Schematic diagram of the use of a new type of positioning jointing and leveling device for reserving expansion joints;

[0017] Figure 5 Schematic diagram of the use of a new type of positioning jointing and leveling device for reserving expansion joints;

[0018] Figure 6 Schematic diagram of the use of a new type of positioning jointing and leveling device for reserving expansion joints;

[0019] Figure 7 Schematic diagram of the use of a new type of positioning jointing and leveling device for reserving expansion joints;

[0020] In the figure: 1 - Sleeve; 2 - Triangular connecting piece; 3 - Inner bearing; 4 - Circular connecting piece; 5 - Y-shaped movable wing; 6 - End bearing; 7 - Metal rod; 8 - Thimble. Specific implementation mode

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0022] As Figure 1 shown, the new type of positioning jointing and leveling device for reserving expansion joints of the present invention includes a sleeve 1, a triangular connecting piece 2, an inner bearing 3, a circular connecting piece 4, a Y-shaped movable wing 5, an end bearing 6, a metal rod 7, and a thimble 8.

[0023] As Figures 1 to 3 shown, the metal rod 7 is a telescopic structure, and a circular connecting piece 4 is welded and fixed at the bottom of its telescopic end, and a thimble 8 is welded and fixed at the bottom of the circular connecting piece 4; grooves for embedding and installing the Y-shaped movable wing 5 are provided on both sides of the metal rod 7. The Y-shaped movable wing 5 includes two long rods, end bearings 6 are installed at the tails of the long rods, inner bearings 3 are installed at the fronts of the long rods, the inner bearings 3 are located above the circular connecting piece 4, and the inner bearings 3, the circular connecting piece 4, the triangular connecting piece 2, and the thimble 8 are all located inside the sleeve 1 and can move up and down inside the sleeve 1, and the end of the thimble 8 extends outside the sleeve 1.

[0024] Refer to Figures 4 to 7, the Y-shaped movable wing 5 is the main structure of the leveler. When the thimble 8 is not inserted into the brick joint, the Y-shaped movable wing 5 retracts into the side slot, which can ensure that the overall width of the leveler before being inserted into the brick joint and fixed is smaller than the brick joint, and it can be directly inserted into the brick joint.

[0025] Refer to Figures 4 to 7 , when the end of the leveler touches the bottom of the brick joint, the end will act on the inside of the sleeve 1, pushing the two Y-shaped movable wings 5 out of the slot until the end width of the Y-shaped movable wing 5 is wider than the tile joint. Then, the on-site operator pulls the entire leveler upward, and the end bearing 6 of the Y-shaped movable wing 5 will abut against the brick joint.

[0026] Refer to Figures 4 to 7 , since there will not be too much resistance after the end bearing 6 contacts the back of the brick joint, it can expand outward along the brick back, and the Y-shaped movable wing 5 will become a flat T-shaped, which can be directly used for fixing the brick joint.

[0027] After the position of the tile is fixed, rotate the entire leveler 90° and take it out, and it can be reused later.

[0028] This structure with a protruding end not only avoids the situation that the leveler sinks into the cement due to the on-site workers placing it too deeply, but also avoids the problem of tile flatness caused by the on-site workers pressing the leveler too hard in order to reduce friction; when installing, directly put the entire leveler in, and there is no need to adjust the angle when fixing the brick joint, which improves the simplicity of the entire construction process.

[0029] The end of the leveler described in the present utility model is made of a material with high strength, anti-corrosion and moisture-proof properties, and stainless steel with a nano-coating can be selected. The two side Y-shaped movable wings 5 are made of composite steel with high strength and bending resistance and low density. The end bearing 6 of the Y-shaped movable wing 5 is made of a bearing with high hardness and durability. The inside of the sleeve 1 is lubricated to reduce the frictional resistance when the Y-shaped movable wing 5 resets, and can significantly increase the number of times the instrument is used.

[0030] Considering the processing error of the side slot, a gap of 0.5 mm should be reserved in the structure to prevent the Y-shaped movable wing 5 from not being able to expand normally due to factors such as dust and moisture entering the side slot inside the brick joint.

[0031] The described embodiment is the preferred embodiment of the present utility model, but the present utility model is not limited to the above embodiment. Without departing from the essential content of the present utility model, any obvious improvement, replacement or variation that those skilled in the art can make belongs to the protection scope of the present utility model.

Claims

1. A novel positioning and joint - leaving and leveling device for reserving expansion joints, characterized in that, It includes a telescopic metal rod (7), at the bottom of the telescopic end of which a circular connector (4) is welded, and at the bottom of the circular connector (4) a thimble (8) is welded; on both sides of the metal rod (7) there are grooves for embedding and installing a Y-shaped movable wing (5); the Y-shaped movable wing (5) includes two long rods, at the tails of the long rods end bearings (6) are installed, and at the front ends of the long rods inner sleeve bearings (3) are installed, the inner sleeve bearings (3) are located above the circular connector (4), and between the inner sleeve bearings (3) and the circular connector (4) they are assembled and connected through a triangular connector (2) and an anchor bolt at the back; the inner sleeve bearings (3), the circular connector (4), the triangular connector (2), and the thimble (8) are all located inside the sleeve (1), and can move up and down inside the sleeve (1), and the end of the thimble (8) extends out of the sleeve (1).

2. The novel positioning joint-retaining and leveling device for reserving expansion joints according to claim 1, wherein When the thimble (8) is not inserted into the brick joint, the Y-shaped movable wing (5) is retracted into the grooves on both sides of the metal rod (7).

3. The novel positioning joint leveling device for reserving expansion joints according to claim 1, characterized in that, When the thimble (8) at the end of the leveler contacts the bottom of the brick joint, its action reaches inside the sleeve (1), and the Y-shaped movable wing (5) pops out of the groove until the end width of the Y-shaped movable wing (5) is greater than the width of the tile joint; by pulling up the leveler, the end bearings (6) of the Y-shaped movable wing (5) abut against the brick joint and unfold outward along the back of the brick until the Y-shaped movable wing (5) becomes a flat T shape for fixing the position of the brick joint; after the position of the tile is fixed, the leveler is removed by rotating 90°.

4. The novel positioning jointing and leveling device for reserving expansion joints according to claim 1, characterized in that, The end of the leveler is made of stainless steel with a nano-coating, and the Y-shaped movable wing (5) is made of composite steel.

5. The novel positioning jointing and leveling device for reserving expansion joints according to claim 1, characterized in that, The inside of the sleeve (1) is lubricated.

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