CN219138280U - Putty knife for building - Google Patents

Abstract

The utility model relates to the technical field of paint smearing tools, in particular to a putty knife for a building. The utility model provides a convenient hand-held device, which mainly aims at the problem that the prior device is inconvenient to fix the positions of two screwdrivers when in use, so that the hand-held device slides out of a boring hole, the arm of a user is easy to scratch, the length of the hand-held device is inconvenient to adjust, and the hand-held device is unfavorable for painting or cleaning the space smaller than the arm, and provides the following technical scheme: the novel screwdriver comprises a tool bit, a tool body, a lower tool handle, an upper tool handle and a screwdriver, wherein the tool bit is welded with one side of the tool body, and clamping blocks are arranged at the top and the bottom of the other side of the tool body. The utility model realizes the restriction of the position of the screwdriver, prevents the screwdriver from sliding out of the storage cavity to hurt people, improves the safety during use, achieves the purpose of adjusting the length of the putty knife under the cooperation of the hydraulic telescopic rod and the grip, and provides convenience for cleaning or painting work.

Description

Putty knife for building

Technical Field

The utility model relates to the technical field of paint smearing tools, in particular to a putty knife for a building.

Background

Putty knives generally consist of a blade and a handle. The blade materials are mainly carbon steel, 65MN and stainless steel. The surface treatment of the blade is commonly classified into general polishing and mirror polishing. The handle is divided into a wood handle, a plastic handle, an iron handle and a full plastic putty knife according to the habit and the application of a user.

Therefore, "a putty knife for construction" is proposed in chinese patent publication No. CN212507257U, "the putty knife reaches to consolidate the connecting arc through the cooperation of strengthening rib and dysmorphism groove, simultaneously under the effect of a plurality of rivets for two wooden handles fix the blade in its centre, under the cooperation with the strengthening rib, realize the purpose to consolidate, and under the effect of two kinds of different screwdrivers, increased the usability of putty knife.

However, the device is inconvenient to fix the positions of the two screwdrivers when in use, so that the screwdrivers slide out of the boring holes, the arms of a user are easy to scratch, the length of the handles is inconvenient to adjust, and paint smearing or cleaning work is not facilitated for a space smaller than the arms.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a putty knife for a building.

The technical scheme of the utility model is as follows: the utility model provides a putty knife for building, includes tool bit, blade, lower handle of a knife, goes up handle of a knife and screwdriver, the welding of one side of tool bit and blade, the fixture block is all installed to the top and the bottom of blade opposite side, the through-hole has all been seted up on blade, lower handle of a knife and the last handle of a knife, a plurality of all be equipped with the rivet in the through-hole, the lower handle of a knife is located the below of blade to the storage chamber has all been seted up to the both sides of lower handle of a knife, two the screwdriver symmetry sets up in depositing the chamber, be provided with the stop gear who limits the screwdriver position on depositing intracavity side cavity wall, the gripping pad that has the antiskid effect is all installed to the surface of lower handle of a knife and last handle of a knife, the surface symmetry of lower handle of a knife and last handle of a knife is provided with adjustable length's adjustment mechanism.

Preferably, the adjusting mechanism comprises a base, a hydraulic telescopic rod is arranged at the top of the base, threads are arranged on the telescopic end of the hydraulic telescopic rod, a baffle, a nut and a connecting rod are sleeved on the telescopic end of the hydraulic telescopic rod, and one end of the connecting rod is connected with a handle.

Preferably, the limiting mechanism comprises a positioning block, a limiting groove is formed in the positioning block, through holes are formed in the top groove wall and the bottom groove wall of the limiting groove, springs are installed in the through holes, and strong magnets are connected to opposite ends of the springs.

Preferably, the clamping connectors are welded on one sides of the lower cutter handle and the upper cutter handle, the reinforcing ribs are welded on the top and the bottom of the cutter head, and the reinforcing ribs are matched with the clamping connectors.

Preferably, the tool bit, the tool body, the lower tool shank and the upper tool shank penetrate through corresponding through holes through a plurality of rivets to form the putty knife.

Preferably, the lower knife handle and the upper knife handle are provided with clamping holes, and the two clamping holes correspond to each other and are matched with corresponding clamping blocks.

Preferably, a rotating shaft is arranged in the storage cavity, a rotating hole is formed in the rotating end of the screwdriver, and the screwdriver is sleeved on the outer ring of the rotating shaft through the rotating hole.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. according to the utility model, under the action of the elasticity of the two springs, the corresponding surfaces of the two powerful magnets are propped against, so that the screwdriver can be limited in the limiting groove of the positioning block, and under the action of the magnetic attraction of the two powerful magnets, the position of the screwdriver is limited, the screwdriver is prevented from sliding out of the storage cavity when not in use, and the user is prevented from being scratched by the screwdriver;

2. according to the utility model, the connecting rods are limited on the telescopic ends of the hydraulic telescopic rods through the nuts and the threads, the positions of the connecting rods are fixed under the resisting action of the baffle plates, and the telescopic ends of the two hydraulic telescopic rods are lengthened or shortened through pulling the handles, so that the aim of adjusting the length of the putty knife is fulfilled, and the cleaning or painting of a space which cannot be stretched by an arm is facilitated.

Drawings

FIG. 1 is a schematic view showing a front sectional structure of a putty knife for construction;

FIG. 2 is a schematic view of the tool bit and the tool body of FIG. 1;

FIG. 3 is a schematic view of the lower shank of FIG. 1;

FIG. 4 is an enlarged schematic view of the adjustment mechanism of FIG. 1;

fig. 5 is an enlarged schematic view of the limiting mechanism in fig. 3.

Reference numerals: 1. a cutter head; 2. a blade body; 21. a clamping block; 3. a cutter handle is arranged; 4. a knife handle is arranged; 5. a grip pad; 6. a rivet; 7. an adjusting mechanism; 71. a base; 72. a hydraulic telescopic rod; 73. a baffle; 74. a thread; 75. a screw cap; 76. a connecting rod; 77. a grip; 8. a limiting mechanism; 81. a positioning block; 82. a spring; 83. a strong magnet.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-5, the putty knife for construction provided by the utility model comprises a knife head 1, a knife body 2, a lower knife handle 3, an upper knife handle 4 and a screwdriver, wherein a plurality of rivets 6 are arranged in a plurality of corresponding through holes, so that the through holes on the knife body 2, the lower knife handle 3 and the upper knife handle 4 are penetrated, the lower knife handle 3 and the upper knife handle 4 are fixed at the top and the bottom of the knife body 2, and the putty knife is manufactured under the action of fixing and welding the knife head 1 and the knife body 2. The top, the fixed welded strengthening rib in bottom of tool bit 1 and lower handle of a knife 3, go up the fixed welded joint adaptation of handle of a knife 4 one end, lower handle of a knife 3 and go up handle of a knife 4 adoption and be wooden material, weight when alleviateing the use to through fixed mounting holding pad 5 on lower handle of a knife 3 and upper handle of a knife 4 surface, frictional force when having increased the use owing to holding pad 5 adopts for the rubber material, makes it have good skid resistance, promotes staff's use impression.

Further, the top and the bottom of blade 2 are fixedly welded to two fixture blocks 21 to the position of two fixture blocks 21 corresponds with the position of two draw-in holes respectively, still rather than the looks adaptation simultaneously, and draw-in hole and fixture block 21 cooperation can carry out preliminary restriction to the position of lower handle of a knife 3 and last handle of a knife 4, and through the through-hole position calibration that lower handle of a knife 3 after preliminary restriction was favorable to seting up it and last handle of a knife 4 were offered on blade 2, conveniently will be fixed lower handle of a knife 3 and last handle of a knife 4 on blade 2 through rivet 6.

Further, two screwdrivers divide into the cross screwdriver that exists in reality and a word screwdriver, and two screwdrivers symmetry sets up in corresponding depositing the intracavity for add the usability of this putty knife, the pivot symmetry sets up in depositing the intracavity to with deposit the bottom chamber wall welding in chamber, be used for assisting the screwdriver to rotate, two screwdrivers are established at the outer lane that corresponds the pivot through the commentaries on classics hole cover that its one end was seted up, and the auxiliary blade diameter that the top of pivot set up is greater than the diameter of commentaries on classics hole, are used for preventing that the screwdriver from coming off from the pivot.

Further, stop gear 8 includes locating piece 81, two locating pieces 81 set up in two storage chamber firmly symmetry, and fixed mounting is on the inboard cavity wall in storage chamber, the spacing groove of seting up on the locating piece 81 and the screwdriver adaptation that corresponds, two springs 82 then set up in corresponding perforation, and the bottom of two springs 82 all with fenestrated bottom pore wall fixed connection, be used for assisting powerful magnet 83 to reset, however two powerful magnet 83 all fixed mounting are at the opposite end of two springs 82, and through magnetic force inter attraction, can restrict the position of screwdriver after two powerful magnet 83 adsorb mutually, thereby prevent that it from slipping out the spacing groove, influence user's work or cause the injury to the user after avoiding slipping out, and still promoted the security when this putty knife was used, if need to use the screwdriver, can the direct rotation screwdriver, it is with it to roll out storage chamber can.

Further, two adjustment mechanisms 7 are symmetrically arranged, one adjustment mechanism 7 is located at the top of the upper cutter handle 4, and the other adjustment mechanism 7 is located at the bottom of the lower cutter handle 3. The adjusting mechanism 7 comprises a base 71, two bases 71 are fixedly welded on corresponding clamping holes, two hydraulic telescopic rods 72 are symmetrically arranged on the corresponding bases 71, a nut 75 is connected with the telescopic ends of the hydraulic telescopic rods 72 through threads 74, a baffle 73 and a connecting rod 76 are sleeved on the telescopic ends of the hydraulic telescopic rods 72, however, the baffle 73 is fixedly connected with the telescopic ends and used for limiting the positions of the connecting rods 76 by matching with the nut 75, the connecting rods 76 are L-shaped, one ends of the connecting rods 76 are welded with a handle 77, and the handle 77 plays a role in assisting a user in extending or shortening the telescopic ends of the two hydraulic telescopic rods 72.

Further, when the connecting rod 76 and the grip 77 are damaged, the user can unscrew the two nuts 75 to release the restriction, so that the connecting rod 76 and the grip 77 can be removed from the telescopic end of the hydraulic telescopic rod 72 for replacement, and the hydraulic telescopic rod is convenient and quick.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (7)

1. The utility model provides a putty knife for building, includes tool bit (1), blade (2), lower handle of a knife (3), goes up handle of a knife (4) and screwdriver, its characterized in that: the utility model discloses a screwdriver, including tool bit (1), cutter body (2), lower handle of a knife (3), upper handle of a knife (4), cutter head (1) and one side welding of cutter body (2), fixture block (21) are all installed to the top and the bottom of cutter body (2) opposite side, through-hole has all been seted up on cutter body (2), lower handle of a knife (3) and upper handle of a knife (4), a plurality of rivet (6) all are equipped with in the through-hole, lower handle of a knife (3) are located the below of cutter body (2) to deposit the chamber has all been seted up to the both sides of lower handle of a knife (3), two screwdriver symmetry sets up in depositing the chamber, deposit and be provided with on the intracavity side chamber wall and carry out stop gear (8) that restrict to the screwdriver position, grip pad (5) that have anti-skidding effect are all installed to the surface symmetry of lower handle of a knife (3) and upper handle of a knife (4).

2. The putty knife for construction according to claim 1, characterized in that the adjusting mechanism (7) comprises a base (71), a hydraulic telescopic rod (72) is mounted at the top of the base (71), a thread (74) is arranged on the telescopic end of the hydraulic telescopic rod (72), a baffle (73), a nut (75) and a connecting rod (76) are sleeved on the telescopic end of the hydraulic telescopic rod (72), and one end of the connecting rod (76) is connected with a grip (77).

3. The putty knife for construction according to claim 1, characterized in that the limiting mechanism (8) comprises a positioning block (81), a limiting groove is formed in the positioning block (81), through holes are formed in the top groove wall and the bottom groove wall of the limiting groove, springs (82) are installed in the through holes, and strong magnets (83) are connected to opposite ends of the springs (82).

4. The putty knife for construction according to claim 1, characterized in that the clamping connectors are welded on one sides of the lower knife handle (3) and the upper knife handle (4), reinforcing ribs are welded on the top and the bottom of the knife head (1), and the reinforcing ribs are matched with the clamping connectors.

5. The putty knife for construction according to claim 1, characterized in that the knife head (1), the knife body (2), the lower knife handle (3) and the upper knife handle (4) are manufactured into the putty knife through corresponding through holes by a plurality of rivets (6).

6. The putty knife for construction according to claim 1, characterized in that the lower knife handle (3) and the upper knife handle (4) are provided with clamping holes, and the two clamping holes correspond to each other and are matched with the corresponding clamping blocks (21).

7. The putty knife for construction according to claim 3, wherein a rotating shaft is provided in the storage cavity, a rotating hole is provided at a rotating end of the screwdriver, and the screwdriver is sleeved on an outer ring of the rotating shaft through the rotating hole.

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