CN211873722U

CN211873722U - Plastering knife for building construction

Info

Publication number: CN211873722U
Application number: CN201922176590.4U
Authority: CN
Inventors: 杨良彬; 王启宇; 华丽; 罗铮
Original assignee: Guangzhou Xiebao Building Material Co ltd
Current assignee: Guangzhou Xiebao Building Material Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-11-06
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a plastering tool for building construction, which comprises a plurality of tool holders, connecting columns and blade plates, wherein each connecting column is respectively connected between the tool holder and the blade plate; each connecting column comprises a column body and a limiting sheet fixedly connected to the upper end of the column body, and the lower end of each column body is fixedly connected with the upper surface of the blade plate; the bottom wall of the knife handle is provided with a plurality of through holes corresponding to the connecting columns, the column body of each connecting column freely passes through one through hole, the limiting piece of each connecting column is positioned in the knife handle, and the periphery of each through hole limits the limiting piece to ensure that the connecting column cannot be separated from the knife handle; the inside locating part that can fix the spliced pole at a plurality of different extension lengths that is equipped with of hilt. Utilize this plastering trowel, can make things convenient for the constructor to grip the use for the efficiency of construction simultaneously, in addition, this plastering trowel still conveniently carries and preserves.

Description

Plastering knife for building construction

Technical Field

The utility model belongs to the technical field of the construction equipment and specifically relates to a plastering trowel that construction used is related to.

Background

With the wide application of mechanical mortar spraying, the mortar required by the mechanical mortar spraying is large in consistency and small in sand occupancy relative to the mortar required by manual plastering, the viscosity of the mortar is relatively large, and the setting time is relatively increased, so that the traditional plastering rubbing plate cannot meet the construction requirements of the prior art.

At present, most construction sites use a square aluminum alloy groove as a plastering and rubbing flat plate. The aluminum alloy groove is adopted as a plastering rubbing plate, and the disadvantages are that: when the mortar is used, the two hands are directly held on the surface of the aluminum alloy groove, the force cannot be effectively controlled, uneven mortar pressing and rubbing stress is easy to occur, and fingers are easy to touch the mortar; the aluminum alloy groove is used as a plastering rubbing plate, the mortar is convenient to construct when the upper wall of the mortar is close to condensation (when the mortar is 7-8 dry), the part of the mortar sprayed by the mechanical sand-blasting mortar is sprayed to a place where the mortar does not have enough adhesive force with the wall body to slide downwards, if the mortar cannot be pressed and rubbed in time, the mortar can be caused to generate hollowing, the mortar layer falls off due to the insufficient adhesive force in the later period of the mortar, if the mortar is pressed and rubbed when the mortar does not reach the condensation time, the surface of the aluminum alloy groove is easily stuck, the large mortar pieces can be caused to fall off at the moment, and the construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a plastering trowel that construction used, during the use, constructor can both hands firmly hold the handle of this plastering trowel and plaster and rub the flat board with the hands, use this plastering trowel to plaster, can not glue the mortar on the plastering trowel and cause the mortar to pile up on the plastering trowel, consequently need not to wait on the wall that the mortar solves and just can plaster when condensing, the process of plastering easy operation need not to wait for a long time the mortar to condense, improve the efficiency of construction.

The purpose of the utility model is realized through the following technical scheme:

a plastering tool for building construction comprises a tool holder, a plurality of connecting columns and a blade plate, wherein each connecting column is respectively connected between the tool holder and the blade plate, the blade plate is in a long strip shape, and the tool holder is in a long strip square tube shape with a cavity inside; each connecting column comprises a column body and a limiting sheet fixedly connected to the upper end of the column body, and the lower end of each column body is fixedly connected with the upper surface of the blade plate; the bottom wall of the knife handle is provided with a plurality of through holes corresponding to the connecting columns, the column body of each connecting column freely passes through one through hole, the limiting piece of each connecting column is positioned in the knife handle, and the periphery of each through hole limits the limiting piece so that the connecting column cannot be separated from the knife handle; the inside locating part that can fix the spliced pole at a plurality of different extension lengths that is equipped with of hilt.

Furthermore, the length of the connecting column extending out of the knife handle is not more than the height of the cavity in the knife handle, and the minimum extending length of the connecting column is 0.

Furthermore, an upper positioning plate and a lower positioning plate are respectively arranged on the left inner side wall and the right inner side wall of the tool holder, and the upper positioning plate and the lower positioning plate are horizontally arranged along the length direction of the tool holder; the width of the gap between the two upper positioning plates or the width of the gap between the two lower positioning plates in the hilt is larger than the width of the limiting sheet; the limiting piece is matched with the upper positioning plate or the lower positioning plate so as to fix the connecting column at two different extending lengths.

Furthermore, the limiting piece comprises a strip-shaped bottom plate, the left side and the right side of the bottom plate are respectively connected with a vertical plate, the two vertical plates are turned inwards to form two horizontal guard plates, and the width of a gap between the two guard plates is larger than the width of the column body and is smaller than the width of the limiting piece; the height of the gap between the guard plate and the bottom plate is not less than the height of the limiting sheet; the bottom plate, the vertical plate and the guard plate enclose an accommodating cavity allowing the limiting sheet to be embedded; the length of the limiting piece corresponds to the length of the knife handle.

Furthermore, the height of the gap between the lower positioning plate and the bottom wall of the tool holder is equal to the sum of the heights of the limiting part and the limiting piece, when the connecting column extends to the maximum length, the limiting piece is in contact with the inner side of the bottom wall of the tool holder, the lower end face of the bottom plate of the limiting part abuts against the upper end of the limiting piece, the upper end face of the protective plate of the limiting part abuts against the lower end of the lower positioning plate, and therefore the connecting column is fixed at the maximum extending length.

Further, go up the locating plate with the height in clearance between the roof of hilt is not less than the height of locating part, go up the locating plate up end with distance between the diapire inboard of hilt equals the length of cylinder with the thickness sum of the backplate of locating part, the extension length of spliced pole is minimum, promptly when the extension length of spliced pole is 0, this moment the blade board with the diapire outside contact of hilt, all spacing piece embedding the intracavity that holds of locating part, the backplate of locating part is down, the backplate top is leaned on the upper end of going up the locating plate, thereby will the spliced pole is fixed at minimum extension length.

Furthermore, the top wall of the hilt is provided with an unthreaded hole allowing a bolt to pass through at each of two ends of the top wall, the limiting member is provided with two screw holes corresponding to the unthreaded holes, and the bolt passes through the unthreaded hole from the upper end of the hilt and is in threaded connection with the screw holes in the limiting member.

Further, the connecting column is connected with the blade plate through welding.

The utility model discloses following beneficial effect has: the utility model relates to a plastering tool for building construction, when in use, a constructor can hold a tool handle and utilize a blade plate to carry out plastering and smoothing operation on a wall, thereby being convenient for the constructor to hold the plastering tool and being convenient for operation; be connected through a plurality of spliced poles between blade board and the handle of a knife, the blade board is the slice, has the determining deviation between blade board and the handle of a knife, consequently, at the in-process of plastering, the mortar that drops can directly drop to the ground from between blade board and the handle of a knife, and can not pile up on the plastering sword, consequently, just the work of plastering when need not to wait for the mortar to be close to condensing to the efficiency of construction has been improved. In addition, the knife handle is connected with the connecting column in a sliding manner, namely the connecting column can adjust the extending length of the connecting column, and a limiting part capable of fixing the connecting column at different extending lengths is further arranged in the knife handle.

Drawings

Fig. 1 is a schematic view of the overall structure of the plastering tool of the present invention;

fig. 2 is a partial enlarged view of a front view of the plastering tool of the present invention;

FIG. 3 is a schematic cross-sectional view of section A-A of FIG. 2;

fig. 4 is a schematic cross-sectional view of the structure of the plastering tool after recovering the blade plate according to the present invention.

The specific structure in the figure illustrates that: the cutting tool comprises a tool handle 1, an upper positioning plate 11, a lower positioning plate 12, a connecting column 2, a column 21, a limiting piece 22, a blade plate 3, a limiting piece 4, a bottom plate 41, a vertical plate 42, a protective plate 43, an accommodating cavity 44 and a bolt 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

Referring to fig. 1 and 3, the plastering tool for building construction comprises a tool holder 1, a plurality of connecting columns 2 and a plurality of blade plates 3, wherein each connecting column 2 is connected between the tool holder 1 and the blade plate 3, the blade plates 3 are in a long strip sheet shape, the long strip sheet-shaped blades 3 are beneficial to dropping of mortar, the mortar is not easy to accumulate on the plastering tool, and the tool holder 1 is in a long strip square tube shape with a cavity inside; each connecting column 2 comprises a column body 21 and a limiting sheet 22 fixedly connected to the upper end of the column body 21, and the lower end of each column body 21 is fixedly connected with the upper surface of the blade plate 3; the bottom wall of the knife handle 1 is provided with a plurality of through holes corresponding to the connecting columns 2, preferably, the through holes are arranged on the bottom wall of the knife handle 1 at equal intervals, the column body 21 of each connecting column 2 freely passes through one through hole, namely, the column body 21 can freely pass through the through holes to move up and down, the limiting piece 22 of each connecting column 2 is positioned in the knife handle 1, and the periphery of each through hole limits the limiting piece 22 so that the connecting column 2 cannot be separated from the knife handle 1; the inside of the hilt 1 is provided with a limiting part 4 which can fix the connecting column 2 at a plurality of different extending lengths. Therefore, when in use, the connecting column 2 can be pulled out, so that the blade plate 3 is unfolded for use, and the blade plate 3 is in an unfolded state; when need not the use, can withdraw spliced pole 2 to inside handle of a knife 1 to this withdraws blade plate 3, thereby dwindles the holistic occupation space of plastering sword by a wide margin, thereby be convenient for carry and save, blade plate 3 is in the recovery state this moment.

Furthermore, the length of the connecting column 2 extending out of the cutter handle is not more than the height of the cavity in the cutter handle 1, and the minimum extending length of the connecting column 2 is 0. Can retrieve spliced pole 2 completely this moment and inside handle of a knife 1, the diapire contact of blade plate 3 and handle of a knife 1 this moment can also play certain guard action to blade plate 3 when reducing the holistic occupation space of plastering sword.

Furthermore, an upper positioning plate 11 and a lower positioning plate 12 are respectively arranged on the left inner side wall and the right inner side wall of the hilt 1, and both the upper positioning plate 11 and the lower positioning plate 12 are horizontally arranged along the length direction of the hilt 1; the width of the gap between the two upper positioning plates 11 or the width of the gap between the two lower positioning plates 12 in the knife handle 1 is larger than the width of the limiting piece 22; the limiting piece 4 is matched with the upper positioning plate 11 or the lower positioning plate 12 so as to fix the connecting column 2 at two different extending lengths.

Further, the limiting member 4 includes an elongated bottom plate 41, the left and right sides of the bottom plate 41 are respectively connected with a vertical plate 42, both the two vertical plates 42 are turned inwards to form two horizontal guard plates 43, and the width of the gap between the two guard plates 43 is greater than the width of the column 21 and smaller than the width of the limiting sheet 22; the height of the gap between the guard plate 43 and the bottom plate 41 is not less than the height of the limiting sheet 22; the bottom plate 41, the vertical plate 42 and the protective plate 43 enclose an accommodating cavity 44 allowing the limiting sheet 22 to be embedded; the length of the limiting piece 4 corresponds to the length of the knife handle 1.

Further, referring to fig. 3, at this time, the blade plate 3 is in the unfolded state, the height of the gap between the lower positioning plate 12 and the bottom wall of the hilt 1 is equal to the sum of the heights of the limiting piece 4 and the limiting piece 22, when the connecting column 2 extends to the maximum length, the limiting piece 22 contacts with the inner side of the bottom wall of the hilt 1, the lower end surface of the bottom plate 41 of the limiting piece 4 abuts against the upper end of the limiting piece 22, and the upper end surface of the guard plate 43 of the limiting piece 4 abuts against the lower end of the lower positioning plate 12, so that the connecting column 2 is fixed at the maximum extending length. When the blade plate 3 is unfolded, the limiting piece 4 is pulled out from one end of the knife handle 1, then the blade plate 3 faces downwards, all the connecting columns 2 move downwards under the action of gravity, the limiting piece 22 abuts against the inner side of the bottom wall of the knife handle 1, and at the moment, the bottom plate 41 of the limiting piece 4 is inserted downwards between the lower positioning plate 12 and the limiting piece 3.

Further, referring to fig. 4, at this time, the blade plate 3 is in a recovery state, the height of the gap between the upper positioning plate 11 and the top wall of the hilt 1 is not less than the height of the limiting member 4, the distance between the upper end surface of the upper positioning plate 11 and the inner side of the bottom wall of the hilt 1 is equal to the sum of the length of the cylinder 21 and the thickness of the guard plate 43 of the limiting member 4, when the extension length of the connecting column 2 is the minimum, that is, when the extension length of the connecting column 2 is 0, the blade plate 3 contacts with the outer side of the bottom wall of the hilt 1 at this time, all the limiting pieces 22 are embedded into the accommodating cavity 44 of the limiting member 4, the guard plate 43 of the limiting member 4 faces downward, and the guard plate 43 abuts against the upper end of the upper positioning plate 11, so that the connecting column 2 is. When retrieving blade plate 3, take off locating part 4, with blade plate 3 up again, under the action of gravity, all spliced poles 2 are retrieved, aim at spacing piece 22 with the chamber 44 that holds of locating part 4 this moment, it can to insert between the roof of handle of a knife 1 and last locating plate 11 with locating part 4.

Furthermore, the top wall of the hilt 1 is provided with an unthreaded hole allowing a bolt 5 to pass through at each of two ends thereof, the limiting member 4 is provided with two screw holes corresponding to the positions of the unthreaded holes, and the bolt 5 passes through the unthreaded holes from the upper end of the hilt 1 and is in threaded connection with the screw holes on the limiting member 4. After the limiting piece 4 is installed, the limiting piece 4 is fixed in the tool holder 1 by using the bolt 5, and the limiting piece 4 can be placed to slip.

Further, the connecting column 2 and the blade plate 3 are connected by welding.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. The utility model provides a plastering trowel that construction used, includes handle of a knife (1), spliced pole (2) and blade board (3), spliced pole (2) have a plurality ofly, each spliced pole (2) connect respectively in handle of a knife (1) with between blade board (3), its characterized in that: the blade plate (3) is in a strip sheet shape, and the hilt (1) is in a strip square tube shape with a cavity inside; each connecting column (2) comprises a column body (21) and a limiting sheet (22) fixedly connected to the upper end of the column body (21), and the lower end of each column body (21) is fixedly connected with the upper surface of the blade plate (3); the bottom wall of the knife handle (1) is provided with a plurality of through holes corresponding to the connecting columns (2), a column body (21) of each connecting column (2) freely penetrates through one through hole, a limiting sheet (22) of each connecting column (2) is positioned inside the knife handle (1), and the periphery of each through hole limits the limiting sheet (22) so that the connecting column (2) cannot be separated from the knife handle (1); the inside of the hilt (1) is provided with a limiting part (4) which can fix the connecting column (2) at a plurality of different extending lengths.

2. The plastering tool for building construction as claimed in claim 1, wherein: the length of the connecting column (2) extending out of the cutter handle is not more than the height of the cavity in the cutter handle (1), and the minimum extending length of the connecting column (2) is 0.

3. The plastering tool for building construction as claimed in claim 1, wherein: an upper positioning plate (11) and a lower positioning plate (12) are respectively arranged on the left inner side wall and the right inner side wall of the hilt (1), and the upper positioning plate (11) and the lower positioning plate (12) are horizontally arranged along the length direction of the hilt (1); the width of a gap between the two upper positioning plates (11) in the hilt (1) or the width of a gap between the two lower positioning plates (12) is larger than the width of the limiting sheet (22); the limiting piece (4) is matched with the upper positioning plate (11) or the lower positioning plate (12) so as to fix the connecting column (2) at two different extending lengths.

4. A plastering tool for construction as claimed in claim 3, wherein: the limiting piece (4) comprises a long strip-shaped bottom plate (41), the left side and the right side of the bottom plate (41) are respectively connected with a vertical plate (42), the two vertical plates (42) are turned inwards to form two horizontal guard plates (43), and the width of a gap between the two guard plates (43) is larger than the width of the column body (21) and smaller than the width of the limiting piece (22); the height of the gap between the guard plate (43) and the bottom plate (41) is not less than the height of the limiting sheet (22); the bottom plate (41), the vertical plate (42) and the protective plate (43) enclose an accommodating cavity (44) allowing the limiting sheet (22) to be embedded; the length of the limiting piece (4) corresponds to the length of the knife handle (1).

5. The plastering tool for building construction as claimed in claim 4, wherein: lower locating plate (12) with the height in clearance between the diapire of sword handle (1) equals locating part (4) with the high sum of spacing piece (22), when spliced pole (2) stretches out maximum length, this moment spacing piece (22) with the diapire inboard contact of sword handle (1), the lower terminal surface top of bottom plate (41) of locating part (4) lean on with spacing piece (22) upper end, the up end top of backplate (43) of locating part (4) lean on with the lower extreme of lower locating plate (12), thereby will spliced pole (2) are fixed at maximum extension length.

6. The plastering tool for building construction as claimed in claim 5, wherein: the height of the gap between the upper positioning plate (11) and the top wall of the hilt (1) is not less than the height of the limiting piece (4), the distance between the upper end surface of the upper positioning plate (11) and the inner side of the bottom wall of the knife handle (1) is equal to the sum of the length of the column body (21) and the thickness of the guard plate (43) of the limiting piece (4), and when the extension length of the connecting column (2) is minimum, namely, when the extension length of the connecting column (2) is 0, the blade plate (3) is contacted with the outer side of the bottom wall of the knife handle (1), all the limiting sheets (22) are embedded into the containing cavity (44) of the limiting piece (4), the guard plate (43) of the limiting piece (4) faces downwards to the direction of the blade plate (3), the guard plate (43) abuts against the upper end of the upper positioning plate (11) so as to fix the connecting column (2) at the minimum extension length.

7. The plastering tool for building construction as claimed in claim 6, wherein: the top wall of the hilt (1) is provided with a unthreaded hole allowing a bolt (5) to pass through at each of two ends of the top wall, the limiting piece (4) is provided with two screw holes corresponding to the unthreaded holes, and the bolt (5) passes through the unthreaded hole from the upper end of the hilt (1) and is in threaded connection with the screw holes in the limiting piece (4).

8. The plastering tool for building construction as claimed in claim 1, wherein: the connecting column (2) is connected with the blade plate (3) through welding.