Telescopic tooth-shaped spatula

Abstract

The utility model provides a telescopic tooth-shaped spatula. The telescopic tooth-shaped spatula comprises a cross beam; the at least two wiping pieces are connected with the cross beam, at least one wiping piece can slide in the axial direction of the cross beam, and a tooth-shaped structure is arranged at the end, away from the cross beam, of each wiping piece; the telescopic tooth-shaped spatula is provided with a cross beam and at least two spatula pieces arranged on one side of the cross beam, at least one of the at least two spatula pieces can slide in the axial direction of the cross beam, and the end, away from the cross beam, of each spatula piece is provided with a tooth-shaped structure used for scraping materials, so that the telescopic tooth-shaped spatula is formed. The material scraping width of the telescopic tooth-shaped spatula is adjustable, the material scraping width of the telescopic tooth-shaped spatula can be adjusted according to the material scraping width requirement during construction, construction is convenient, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of toothed spatulas, and more specifically relates to a telescopic toothed spatula. Background Art

[0002] With the progress of society, the decoration industry has also been making progress. The traditional thick-pasting process of cement mortar has basically withdrawn from the stage of history, and has been replaced by the thin-pasting process of tile adhesive. An indispensable tool for the construction of thin-pasting tile adhesive is a toothed spatula, but the toothed spatulas on the market now are all fixed in size. When facing the laying of large tiles, the width of the toothed spatula is often not enough. During construction, it is necessary to repeat the operation many times to lay a tile, which is inconvenient and inefficient. Utility Model Content

[0003] The utility model aims to provide a telescopic toothed spatula in view of the deficiencies in the prior art, so as to solve the problems that the toothed spatulas in the prior art are all of fixed size, the width of the toothed spatulas is insufficient, the construction is inconvenient, and the construction efficiency is affected.

[0004] In order to achieve the above object, the utility model provides a telescopic toothed spatula, comprising:

[0005] beam;

[0006] At least two smears are connected to the crossbeam, at least one of the smears can slide along the axial direction of the crossbeam, and one end of each smear away from the crossbeam is provided with a tooth structure.

[0007] Optionally, two adjacent smears are stacked at their ends close to each other.

[0008] Optionally, a slide groove is provided on one side of the crossbeam, a first sliding block is slidably embedded in the slide groove, and at least one of the wipers is connected to the first sliding block.

[0009] Optionally, a first fastener is further included, the first fastener includes a first screw, wherein at least one of the wipers is provided with a first through hole, the first slider is provided with a first threaded hole, the first screw passes through the first through hole and is connected to the first slider through the first threaded hole.

[0010] Optionally, the first fastener further includes a first knob, and the first knob is connected to the nut portion of the first screw.

[0011] Optionally, it also includes a second fastener, which includes a second screw. A long waist groove is provided at one end of two adjacent wipers that are close to each other. A second slider is slidably embedded in the groove. The second slider has a second threaded hole. The second screw passes through the two long waist grooves and is connected to the second slider through the second threaded hole.

[0012] Optionally, the second fastener further includes a second knob, and the second knob is connected to the nut portion of the second screw.

[0013] Optionally, a baffle is respectively provided at one end of the two outermost spatulas that are away from each other, and the two baffles are bent toward the material-facing side of the telescopic toothed spatula.

[0014] Optionally, the toothed structure forms trapezoidal serrations at an edge of one end of the smear away from the crossbeam.

[0015] Optionally, a handle is further included, wherein a mounting groove is provided on the lower side of the handle, and a limiting portion extending into the groove is provided on one side of the groove of the mounting groove, wherein the mounting groove can accommodate the beam and part of the smear, and can enable the handle to slide along the axial direction of the beam.

[0016] The utility model provides a telescopic toothed spatula, which has the beneficial effects of: the telescopic toothed spatula comprises a crossbeam and at least two smears arranged on one side of the crossbeam, at least one of the at least two smears can slide along the axial direction of the crossbeam, and a toothed structure for scraping materials is arranged at one end of each smear away from the crossbeam, so that a telescopic toothed spatula is formed, and the scraping width of the telescopic toothed spatula is adjustable. During construction, the scraping width of the telescopic toothed spatula can be adjusted according to the scraping width requirements, so that the construction is convenient and the construction efficiency is improved.

[0017] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0019] Figure 1 A schematic diagram of the three-dimensional structure of a material-facing surface of a telescopic toothed spatula according to an embodiment of the utility model is shown.

[0020] Figure 2 A schematic diagram of the three-dimensional structure of the backing surface of a telescopic toothed spatula according to an embodiment of the utility model is shown.

[0021] Figure 3 A schematic side view of the structure of a telescopic toothed spatula according to an embodiment of the utility model is shown.

[0022] Description of reference numerals:

[0023] 1. Horizontal beam; 2. Wipe; 3. Toothed structure; 4. Slide; 5. First knob; 6. Long waist groove; 7. Second knob; 8. Baffle; 9. Handle; 10. Third knob. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0025] like Figures 1 to 3 As shown, the utility model provides a telescopic toothed spatula, comprising:

[0026] Beam 1;

[0027] At least two smears 2 are connected to the crossbeam 1 , wherein at least one smear 2 can slide along the axial direction of the crossbeam 1 , and a toothed structure 3 is provided at one end of each smear 2 away from the crossbeam 1 .

[0028] Specifically, in order to solve the problems in the prior art that the toothed spatulas are all fixed in size, the width of the toothed spatulas is insufficient, the construction is inconvenient, and the construction efficiency is affected; the telescopic toothed spatula provided by the utility model has a beam 1 and at least two smears 2 arranged on one side of the beam 1, at least two smears 2 of which at least one smear 2 can slide along the axial direction of the beam 1, and each smear 2 is provided with a toothed structure 3 for scraping materials at one end away from the beam 1, so that it forms a telescopic toothed spatula, and the scraping width of the telescopic toothed spatula is adjustable. During construction, the scraping width of the telescopic toothed spatula can be adjusted according to the scraping width requirements, which facilitates construction and improves construction efficiency.

[0029] In this embodiment, two smears 2 are provided, and the tooth structures 3 on the two smears 2 are the same.

[0030] Optionally, two adjacent smears 2 are stacked at their ends close to each other.

[0031] Specifically, two adjacent smears 2 are stacked at one end close to each other, with one smear 2 pressing against the other smear 2 to form a connection between the adjacent smears 2. When adjusting the scraping width of the telescopic toothed spatula, it is necessary to adjust the tooth structures 3 of the two smears 2 in the stacked part to overlap to avoid affecting the scraping effect.

[0032] Optionally, a slide groove 4 is provided on one side of the crossbeam 1, a first slider is slidably embedded in the slide groove 4, and at least one smear 2 is connected to the first slider.

[0033] Specifically, the slide groove 4 is open on one side of the cross beam 1, the smear 2 is attached to the side of the cross beam 1, and the smear 2 is slidably matched with the cross beam 1 through the first sliding block.

[0034] In this embodiment, the slide groove 4 is a concave groove, and the first slider is slidably embedded in the slide groove 4. The wiper 2 slides axially along the beam 1 through the cooperation between the first slider and the slide groove 4, thereby realizing telescopic adjustment.

[0035] Optionally, a first fastener is further included, the first fastener includes a first screw, wherein at least one smear 2 is provided with a first through hole, the first slider is provided with a first threaded hole, the first screw passes through the first through hole and is connected to the first slider through the first threaded hole.

[0036] Specifically, the smear 2 is connected to the first slider via a first screw. When the first screw is tightened, the smear 2 and the beam 1 are clamped by the clamping effect of the first screw and the first slider, so that the smear 2 is fixed relative to the beam 1. When the first screw is loosened, the smear 2 can slide along the beam 1 together with the first slider.

[0037] In this embodiment, each smear 2 forms a sliding fit with the crossbeam 1 via the first sliding block.

[0038] Furthermore, each smear 2 is provided with two first screws, and the two first screws are distributed at two ends of each smear 2 .

[0039] Optionally, the first fastener further includes a first knob 5, and the first knob 5 is connected to the nut portion of the first screw.

[0040] Specifically, the first knob 5 is provided to facilitate the screwing of the first screw.

[0041] Optionally, a second fastener is also included, which includes a second screw. A long waist groove 6 is opened at one end of two adjacent smears 2 close to each other, a second slider is slidably embedded in the slide groove 4, and the second slider is provided with a second threaded hole. The second screw passes through the two long waist grooves 6 and is connected to the second slider through the second threaded hole.

[0042] Specifically, the stacked part of two adjacent smears 2 is provided with a long waist groove 6, the extension direction of the long waist groove 6 is parallel to the axis of the beam 1, the second screw passes through the two long waist grooves 6 and is connected to the second slider, the second screw can move in the two long waist grooves 6, to achieve the guiding and tightening function when the smear 2 is telescopically adjusted.

[0043] Optionally, the second fastener further includes a second knob 7, and the second knob 7 is connected to the nut portion of the second screw.

[0044] Specifically, the second knob 7 is provided to facilitate the turning of the second screw.

[0045] Optionally, a baffle plate 8 is respectively provided at one end of the two outermost spatulas 2 that are away from each other, and the two baffle plates 8 are bent toward the material-facing side of the telescopic toothed spatula.

[0046] Specifically, the baffle 8 is arranged on the material-facing side of the telescopic toothed spatula to form a material blocking structure. During the scraping process, the baffle 8 can block the scraped material from both ends in the width direction to prevent the material from flowing to the outside on both sides in the width direction during the scraping process, thereby improving the scraping effect and the surface state of the material formed after scraping.

[0047] In this embodiment, the material scraped by the telescopic toothed spatula is tile adhesive.

[0048] Furthermore, the baffle 8 can be an integral structure or detachably connected to the wiper 2; in the present embodiment, the baffle 8 is detachably connected to the wiper 2, a second through hole is provided on the wiper 2, the baffle 8 is an L-shaped plate, one surface of the baffle 8 forms a mounting surface, a mounting hole is provided on the baffle 8, a third screw passes through the second through hole and the mounting hole and is connected to a nut to fix the baffle 8, the other surface of the baffle 8 is a trapezoid, and the mounting surface is connected to the bottom edge of the trapezoid; and a third knob 10 is provided on the third screw, and the nut is welded to the mounting surface to facilitate the disassembly and assembly of the baffle 8.

[0049] Optionally, the toothed structure 3 forms trapezoidal serrations at an edge of the smear 2 away from the beam 1 .

[0050] Specifically, the existing toothed trowel adopts right-angle teeth, and its tooth structure 3 is in the shape of a city wall. The telescopic toothed trowel in the utility model adopts trapezoidal teeth, which can facilitate the kneading and pressing of tiles after paving and increase the full adhesion area; the trapezoidal serrations form strip-like protrusions with a trapezoidal cross-section on the surface of the material after scraping the material. Compared with the strip-like protrusions with a rectangular cross-section formed after the right-angle teeth of the existing toothed trowel scrape the material, it is easier to knead and press the tiles after paving, and the full adhesion area is significantly increased during the kneading process.

[0051] Optionally, a handle 9 is further included, a mounting groove is provided on the lower side of the handle 9, and a limiting portion extending into the groove is provided on one side of the groove of the mounting groove. The mounting groove can accommodate the beam 1 and part of the smear 2, and can enable the handle 9 to slide along the axial direction of the beam 1.

[0052] Specifically, the setting of the handle 9 makes it easier for the operator to grip the telescopic toothed spatula, making the operation more convenient during construction and improving the construction efficiency.

[0053] In this embodiment, the cross-sectional shape of the handle 9 is as follows: Figure 3 As shown, the upper side of the handle 9 is in an arc shape, and the handle 9 extends obliquely downward toward the back material side of the telescopic toothed spatula to form an extension portion, which is convenient for operation and gripping, and improves the comfort and stability of gripping.

[0054] In summary, when the telescopic toothed spatula provided by the utility model is used, take the laying of tiles as an example: first, place the tile glue on the base layer, then adjust the scraping width of the telescopic toothed spatula, tighten the first knob 5 and the second knob 7 after adjustment, fix the two trowels 2, and then hold the two handles 9 so that the toothed structure 3 of the trowel 2 contacts the tile glue, and move the telescopic toothed spatula toward its material-facing side, and through the scraping of the toothed structure 3, form a plurality of strip-shaped protrusions on the surface of the tile glue, and finally lay the tiles on the surface of the tile glue and knead and press them to ensure the full adhesion area of ​​the tile laying.

[0055] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A telescopic toothed spatula, It is characterized in that include: beam; At least two smears are connected to the crossbeam, at least one of the smears can slide along the axial direction of the crossbeam, and one end of each smear away from the crossbeam is provided with a tooth structure.

2. The telescopic toothed spatula according to claim 1, It is characterized in that Two adjacent smears are stacked at their ends close to each other.

3. The telescopic toothed spatula according to claim 2, It is characterized in that A slide groove is provided on one side of the crossbeam, a first sliding block is slidably embedded in the slide groove, and at least one of the wipers is connected to the first sliding block.

4. The telescopic toothed spatula according to claim 3, It is characterized in that It also includes a first fastener, which includes a first screw, wherein at least one of the wipers is provided with a first through hole, the first slider is provided with a first threaded hole, and the first screw passes through the first through hole and is connected to the first slider through the first threaded hole.

5. The telescopic toothed spatula according to claim 4, It is characterized in that The first fastener further includes a first knob connected to the nut portion of the first screw.

6. The telescopic toothed spatula according to claim 3, It is characterized in that It also includes a second fastener, which includes a second screw. A long waist groove is provided at one end of two adjacent wipers that are close to each other. A second sliding block is slidably embedded in the sliding groove. The second sliding block has a second threaded hole. The second screw passes through the two long waist grooves and is connected to the second sliding block through the second threaded hole.

7. The telescopic toothed spatula according to claim 6, It is characterized in that The second fastener further includes a second knob connected to the nut portion of the second screw.

8. The telescopic toothed spatula according to claim 1, It is characterized in that A baffle is respectively arranged at one end of the two smears at the outermost ends which are away from each other, and the two baffles are bent toward the material-facing side of the telescopic toothed spatula.

9. The telescopic toothed spatula according to claim 1, It is characterized in that The toothed structure forms trapezoidal saw teeth on the edge of one end of the smear away from the crossbeam.

10. The telescopic toothed spatula according to claim 1, It is characterized in that It also includes a handle, a mounting groove is provided on the lower side of the handle, and a limiting portion extending into the groove is provided on one side of the groove of the mounting groove. The mounting groove can accommodate the beam and part of the smear, and can enable the handle to slide along the axial direction of the beam.

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