CN212957479U

CN212957479U - Scraper knife

Info

Publication number: CN212957479U
Application number: CN202020610739.5U
Authority: CN
Inventors: 李蕾
Original assignee: Dibang Environmental Industry Co ltd
Current assignee: Dibang Environmental Industry Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-04-13
Anticipated expiration: 2030-04-21

Abstract

The utility model is suitable for a burnisher technical field provides a spiller, including handle, blade and the chuck that is used for the centre gripping blade, the chuck includes first splint, the second splint, sleeve and connecting rod, the sleeve is connected with first splint, the front end of connecting rod is connected in the second splint, the rear end of connecting rod is provided with screwed joint, the front end of handle be provided with screwed joint screw-thread fit's screw hole, screwed joint passes the sleeve, and the blade is located between first splint and the second splint, the chuck still includes the direction subassembly that is used for the direction second splint to paste tight first splint when the second splint move towards the handle direction. The utility model provides a pair of spiller, its simple structure, it is easy and simple to handle need not to use other appurtenance just can realize the change of blade.

Description

Scraper knife

Technical Field

The utility model belongs to the technical field of burnisher, especially, relate to a spiller.

Background

The conventional shovel blade is fixed by adopting a screw locking mode, if the blade needs to be replaced, the blade needs to be replaced after the screw is detached, a screwdriver needs to be carried at any time in the operation process, the operation is inconvenient, and the screw is easy to slip after the blade is replaced for many times, so that the replacement is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a spiller, its simple structure, it is easy and simple to handle need not to use other appurtenance just can realize the change of blade.

The technical scheme of the utility model is that: the utility model provides a spiller, includes handle, blade and is used for the centre gripping the chuck of blade, the chuck includes first splint, second splint, sleeve and connecting rod, the sleeve with first splint are connected, the front end of connecting rod connect in the second splint, the rear end of connecting rod is provided with threaded connection, the front end of handle be provided with threaded connection screw-thread fit's screw hole, threaded connection passes the sleeve, just the blade is located first splint with between the second splint, the chuck still includes and works as the second splint court is used for the direction during handle direction motion the second splint paste tightly the direction subassembly of first splint.

Optionally, the guide assembly includes a positioning plate having wedge-shaped grooves and located at two ends of the first splint in the length direction, and wedge-shaped blocks located at two ends of the second splint in the length direction and engaged with the wedge-shaped grooves.

Optionally, the first clamping plate is provided with a limiting member for limiting the blade on a surface facing the second clamping plate.

Optionally, the first clamping plate is provided with a friction block on the surface facing the second clamping plate or/and the second clamping plate is provided with a friction block on the surface facing the first clamping plate.

Optionally, the friction block is a rubber block.

Optionally, the rear end of the sleeve is provided with a positioning step, and the front end of the threaded hole is provided with a limit ring matched with the positioning step.

Optionally, the first clamping plate, the connecting strip and the sleeve are of an integrally formed structure, and the second clamping plate and the connecting rod are of an integrally formed structure.

Optionally, the scraper knife further comprises a protective cover sleeved on the clamping head.

The utility model provides a scraper knife, during the use, make the connecting rod have the one end of screwed joint and pass the sleeve, and place the blade between first splint and second splint, then twist the handle and make the screwed joint be connected with the screw hole, along with the rotation of handle, the second splint move towards the handle direction, under the effect of direction subassembly, the second splint are gradually close to and paste tight first splint, after screwed joint and screw hole spiro union put in place, first splint and second splint can press from both sides tight fixed blade; when the blade needs to be replaced, the handle is reversely screwed, the second clamping plate is pushed to be away from the handle, and the blade can be taken down by loosening the blade through the first clamping plate and the second clamping plate. Its simple structure presss from both sides tight blade or loosen the blade through twist grip just steerable first splint and second splint, and is easy and simple to handle, need not to use appurtenance, brings good use for the user and experiences.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a scraper knife according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a blade according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural view of a first clamping plate, a connecting strip and a sleeve which are integrally formed in a scraper knife according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the second clamping plate and the connecting rod integrally formed in the scraper knife according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures.

In addition, in the embodiments of the present invention, if there are orientations or positional relationships indicated by "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., based on the orientations or positional relationships shown in the drawings or the conventional placement state or use state, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated structure, feature, device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

In the embodiment of the present invention, for the convenience of understanding, the one end of the blade is the front end, and the one end of the handle is the rear end.

As shown in fig. 1 to 5, the embodiment of the utility model provides a shovel blade for shoveling dirt on floor, wapith, ceramic tile, glass, including handle 1, blade 3 and the chuck 2 that is used for centre gripping blade 3, chuck 2 includes first splint 21, second splint 22, sleeve 23 and connecting rod 24, the front end of connecting rod 24 is connected in second splint 22, the rear end of connecting rod 24 is provided with threaded joint 241, handle 1 front end be provided with threaded joint 241 screw-thread fit's screw hole 11, threaded joint 241 passes sleeve 23, and blade 3 is located between first splint 21 and the second splint 22, chuck 2 still includes the guide assembly who is used for leading second splint 22 to paste tight first splint 21 when second splint 22 moves towards handle 1 direction. When the cutter is used, one end, provided with the threaded joint 241, of the connecting rod 24 penetrates through the sleeve 23, the blade 3 is placed between the first clamping plate 21 and the second clamping plate 22, then the handle 1 is rotated to enable the threaded joint 241 to be connected with the threaded hole 11, the threaded joint 241 is screwed into the threaded hole 11, the second clamping plate 22 is pulled towards the handle 1 along with the rotation of the handle 1, the second clamping plate 22 is gradually close to and tightly attached to the first clamping plate 21 under the action of the guide assembly, and when the threaded joint 241 is screwed in place with the threaded hole 11 (namely the threaded joint 241 is in threaded connection with the threaded hole 11 and the threaded joint 241 cannot rotate relative to the handle 1 any more), namely the front ends of the first clamping plate 21 and the second clamping plate 22 are aligned, the first clamping plate 21 and the second clamping plate 22 clamp the fixed; when the blade 3 needs to be replaced, the handle 1 is rotated reversely, so that the threaded joint 241 is withdrawn from the threaded hole 11, the second clamping plate 22 is pushed away from the handle 1, and the first clamping plate 21 and the second clamping plate 22 loosen the blade 3, so that the blade 3 can be taken down. The structure is simple, the first clamping plate 21 and the second clamping plate 22 can be controlled to clamp the blade 3 or loosen the blade 3 by rotating the handle 1 in the forward and reverse directions, so that auxiliary tools are not needed, the operation is simple and convenient, and good use experience is brought to users.

Alternatively, as shown in fig. 2 to 4, the guide assembly includes a positioning plate 211 having a wedge-shaped groove 212 at both ends in the length direction of the first clamping plate 21 and wedge-shaped blocks 221 fitted to the wedge-shaped groove 212 at both ends in the length direction of the second clamping plate 22. The two wedge-shaped grooves 212 are positioned on the sides of the two positioning plates 211 facing the center of the first clamping plate 21, the notch at the front end of the wedge-shaped groove 212 is larger than the notch at the rear end, when the second clamping plate 22 moves towards the handle 1, the guide movement can be realized through the matching of the wedge-shaped groove 212 and the wedge-shaped block 221, so that the second clamping plate 22 gradually approaches to and clings to the first clamping plate 21, and the reliability of the first clamping plate 21 and the second clamping plate 22 for clamping the blade 3 is ensured.

Specifically, as shown in fig. 1, 2 and 4, the sleeve 23 is connected to the first clamping plate 21 by the connecting strips 25, the connecting strips 25 have two, and the two connecting strips 25 may be arranged symmetrically with respect to the center of the sleeve 23.

Alternatively, in order to secure the reliability of the clamping of the blade 3, when the front ends of the first clamping plate 21 and the second clamping plate 22 are aligned, the first clamping plate 21 and the second clamping plate 22 may have an included angle of 3 ° to 7 °.

Specifically, the first clamping plate 21 and the second clamping plate 22 may have an included angle of 5 ° therebetween.

In practice, the connecting strip 25 may be curved as shown in fig. 1, 2 and 4.

Optionally, as shown in fig. 2 and 4, the first clamping plate 21 is provided with a limiting member 213 for limiting the position of the blade 3 on the surface facing the second clamping plate 22, so as to control the position of the blade 3 between the first clamping plate 21 and the second clamping plate 22, on one hand, to ensure that the blade 3 is partially exposed, so as to ensure the scraping effect, and on the other hand, to prevent the blade 3 from being pushed to the side of the handle 1 during operation.

In this embodiment, the position-limiting member 213 is a protrusion formed on the surface of the first clamping plate 21, and the protrusion has at least two protrusions, and the cross section of the protrusion may be rectangular, semi-cylindrical or triangular. In this embodiment, as shown in fig. 2 and 3, the two limiting members 213 have a semi-cylindrical cross section.

Specifically, the blade 3 may be provided with a through hole through which the stopper 213 passes.

Specifically, the distance from the limiting member 213 to the side of the first clamp plate 21 away from the sleeve 23 is two thirds of the width of the blade 3, i.e., one third of the blade 3 is exposed when the first clamp plate 21 and the second clamp plate 22 clamp the fixed blade 3.

Specifically, as shown in fig. 5, the second clamping plate 22 may be provided with a clearance groove 222 on a surface facing the first clamping plate 21, and when the front ends of the first clamping plate 21 and the second clamping plate 22 are aligned, the limiting member 213 is just located in the clearance groove 222, so as to prevent the limiting member 213 from holding the second clamping plate 22, thereby affecting the stability of clamping the blade 3.

Alternatively, the first clamping plate 21 may be provided with a friction block (not shown) on the surface facing the second clamping plate 22, or the second clamping plate 22 may be provided with a friction block on the surface facing the first clamping plate 21, or both the first clamping plate 21 and the second clamping plate 22 may be provided with a friction block on the surfaces facing the first clamping plate 21, so as to further improve the stability of clamping the blade 3.

Alternatively, the friction block may be a rubber block.

Optionally, as shown in fig. 2 and 4, a positioning step 231 is provided at the rear end of the sleeve 23 (the end of the sleeve 23 away from the first clamping plate 21), a stop ring 12 engaged with the positioning step 231 is provided at the front end of the threaded hole 11, and the positioning step 231 is inserted into the stop ring 12 and is in clearance fit with the stop ring 12 to prevent the first clamping plate 21 from radially deviating from the handle 1 after the threaded joint 241 is screwed into place with the threaded hole 11.

Optionally, the first clamping plate 21, the connecting bar 25 and the sleeve 23 are of an integrally formed structure, the first clamping plate 21, the connecting bar 25 and the sleeve 23 can be in a T shape or an L shape after being connected, the second clamping plate 22 and the connecting rod 24 are of an integrally formed structure, and the second clamping plate 22 and the connecting rod 24 can be in a T shape or an L shape after being connected.

Optionally, as shown in fig. 1, the scraper knife further includes a protective cover 4 sleeved on the chuck 2, so as to be convenient for storage, prevent the blade 3 from having a gap due to collision, and prevent the blade 3 from cutting a user when being carried.

Specifically, the handle 1 may be cylindrical, and the side thereof is provided with an anti-slip pattern.

The embodiment of the utility model provides a scraper knife, during the use, make connecting rod 24 have the one end of screwed joint 241 and pass sleeve 23, and place blade 3 between first splint 21 and second splint 22, then twist handle 1 and make screwed joint 241 be connected with screw hole 11, along with the rotation of handle 1, second splint 21 moves towards handle 1 direction, under the effect of guide assembly, second splint 22 is close to and pastes tight first splint 21 gradually, after screwed joint 241 and screw hole 11 spiro union put in place, first splint 21 and second splint 22 can press from both sides tight fixed blade 3; when the blade 3 needs to be replaced, the handle 1 is reversely screwed, the second clamping plate 22 is pushed to be away from the handle 1, the first clamping plate 21 and the second clamping plate 22 loosen the blade 3, and then the blade 3 can be taken down. Its simple structure just can control first splint 21 and second splint 22 through twist grip 1 and press from both sides tight blade 3 or loosen blade 3, and is easy and simple to handle, need not to use appurtenance, brings good use for the user and experiences.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides a spiller, includes handle, blade and is used for the centre gripping the chuck of blade, a serial communication port, the chuck includes first splint, second splint, sleeve and connecting rod, the sleeve with first splint are connected, the front end of connecting rod connect in the second splint, the rear end of connecting rod is provided with threaded joint, the front end of handle be provided with threaded joint screw-thread fit's screw hole, threaded joint passes the sleeve, just the blade is located first splint with between the second splint, the chuck still includes and works as the second splint court be used for the direction during handle direction motion the second splint paste tightly the direction subassembly of first splint.

2. The cutting blade of claim 1, wherein the guide assembly includes positioning plates having wedge-shaped grooves at both lengthwise ends of the first jaw and wedge-shaped blocks cooperating with the wedge-shaped grooves at both lengthwise ends of the second jaw.

3. The blade of claim 2, wherein said first clamping plate is provided with a stop on a face facing said second clamping plate for stopping said blade.

4. The blade of claim 1, wherein said first clamping plate is provided with a friction block on a face facing said second clamping plate or/and said second clamping plate is provided with a friction block on a face facing said first clamping plate.

5. The blade of claim 4 wherein said friction block is a rubber block.

6. The scraper knife of claim 1, wherein the rear end of the sleeve is provided with a positioning step, and the front end of the threaded hole is provided with a limit ring matched with the positioning step.

7. The cutting blade of claim 1, wherein said first clamp, said connecting bar and said sleeve are of unitary construction, and said second clamp and said connecting bar are of unitary construction.

8. The scraper blade of any one of claims 1 to 7 further comprising a protective guard disposed over said clamp.