CN110811125A

CN110811125A - Paint brush convenient for replacing brush head

Info

Publication number: CN110811125A
Application number: CN201911107983.8A
Authority: CN
Inventors: 袁波
Original assignee: Jingjiang Sia Brush Factory
Current assignee: Jingjiang Sia Brush Factory
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-02-21

Abstract

The invention discloses a paint brush convenient for replacing a brush head, which comprises a fixed plate, wherein a cavity is formed in the top end of the fixed plate, a push block is arranged in the cavity, a push rod is welded at the front end of the left side of the push block, the push rod penetrates through the inner wall of the left side of the cavity and extends to the outside of the fixed plate, a brush seat is arranged above the fixed plate, an insertion block is welded at the bottom end of the brush seat and is inserted in the cavity, two groups of positioning pins are arranged at the top end of the right side of the fixed plate, the two groups of positioning pins penetrate through the outer wall of the right side of the fixed plate and extend to the inside of the cavity, two groups of positioning holes. The invention enables a user to replace different brush heads or damaged brush heads according to the work requirement by arranging the cavity, the push block and the push rod, improves the work efficiency of the user, reduces the use cost of the user, can be recycled and has high environmental protection.

Description

Paint brush convenient for replacing brush head

Technical Field

The invention relates to the technical field of brushes, in particular to a paint brush with a brush head convenient to replace.

Background

The effect of paintbrush is whitewash coating such as paint, it is widely used in daily life, the family, shipbuilding, spaceflight, food, archaeology all can not leave the shadow of paintbrush, the paintbrush kind has the goat hair brush, the bristle brush, the stretch yarn brush, the roller brush, mix bristle brush etc. every kind of paintbrush is applicable to different work demands respectively, current paintbrush is though the kind is various, but single structure, be not convenient for change the brush head, only can abandon after the brush damages, be unfavorable for recycling, user's use cost has been increased.

Disclosure of Invention

The invention aims to provide a paint brush convenient for replacing a brush head, and aims to solve the problems that the existing paint brush in the background art is single in structure, inconvenient for replacing the brush head, inconvenient for recycling and high in use cost of a user, and the brush head can only be discarded after being damaged, although the existing paint brush is various in types.

In order to achieve the purpose, the invention provides the following technical scheme: a paint brush convenient for replacing a brush head comprises a fixed plate, wherein a cavity is formed in the top end of the fixed plate, a push block is arranged in the cavity, a push rod is welded at the front end of the left side of the push block, the push rod penetrates through the inner wall of the left side of the cavity and extends to the outside of the fixed plate, a brush seat is arranged above the fixed plate, an insertion block is welded at the bottom end of the brush seat and is inserted in the cavity, two groups of positioning pins are arranged at the top end of the right side of the fixed plate, the two groups of positioning pins penetrate through the outer wall of the right side of the fixed plate and extend to the inside of the cavity, two groups of positioning holes are formed in the right side of the insertion block, the two groups of positioning pins are inserted in the positioning holes, two groups of press rods are arranged on the right side of the, the utility model discloses a fixing device for fixing a bearing plate, including fixed plate, extension board, support board, fixed plate, baffle net, the transverse groove has all been seted up to the left and right sides of fixed plate bottom, and the inside of transverse groove all inserts and is equipped with the extension board, the slide shaft has all been welded at both ends around the extension board is close to fixed plate one side, both sides all are provided with the support around the extension board is close to fixed plate one end, and the support all with fixed plate welded fastening, the slide groove has all been seted up at the middle part of support, the slide shaft all.

Preferably, the cross section of the left end of the positioning pin is trapezoidal, and the cross section of the positioning hole is trapezoidal matched with the positioning pin.

Preferably, the outer wall of the positioning pin is sleeved with a spring, one end of the spring is welded on the fixing plate, and the other end of the spring is welded on the positioning pin.

Preferably, the springs are welded in the middle of the top end of the support plate, and the other ends of the springs are welded on the fixing plate.

Preferably, the length of the transverse caliber of the sliding groove is equal to the depth of the transverse groove.

Preferably, the bottom end of the handle is provided with a rope hole, and the outer wall of the handle is glued with a spongy cushion.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the cavity, the push block and the push rod are arranged, a user presses the opposite end of the press rod downwards and simultaneously, the positioning pin is lifted upwards to push the push block, the insertion block is pushed out of the cavity through mutual extrusion of the contact surfaces of the push block and the insertion block, and the disassembly of the brush holder is completed;

according to the invention, by arranging the transverse groove, the support plate, the sliding shaft and the support, when a user simultaneously opens two groups of support plates outwards, the two groups of support plates are respectively inserted into the transverse groove, the support plates and the transverse groove are embedded through the sliding shaft and support hinged structure and constant tension applied to the support plates by the spring, in the using process of the user, the structure blocks dropped paint, the phenomenon that the paint drops on the hand in the using process is reduced, the damage of the paint to the hand of the user is reduced, and meanwhile, after the user finishes using, the structure can be adjusted to a closed state, and parts in the cavity are protected while the size of the structure is reduced.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view taken along line A-A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the position B in FIG. 1 according to the present invention;

FIG. 4 is a schematic diagram of the present invention in a closed configuration;

FIG. 5 is an enlarged view taken at C of FIG. 4 according to the present invention;

FIG. 6 is a schematic side sectional view of the present invention.

In the figure: 1. a fixing plate; 2. a cavity; 3. a push block; 4. a push rod; 5. a brush holder; 6. inserting a block; 7. positioning pins; 8. positioning holes; 9. a pressing rod; 10. a transverse groove; 11. a support plate; 12. a sliding shaft; 13. a support; 14. a sliding groove; 15. blocking the net; 16. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown:

a paint brush convenient for replacing a brush head comprises a fixing plate 1, wherein a cavity 2 is formed in the top end of the fixing plate 1, a push block 3 is arranged inside the cavity 2, a push rod 4 is welded at the front end of the left side of the push block 3, the push rod 4 penetrates through the inner wall of the left side of the cavity 2 and extends to the outside of the fixing plate 1, a brush seat 5 is arranged above the fixing plate 1, an insertion block 6 is welded at the bottom end of the brush seat 5, the insertion block 6 is inserted inside the cavity 2, two groups of positioning pins 7 are arranged at the top end of the right side of the fixing plate 1, the two groups of positioning pins 7 penetrate through the outer wall of the right side of the fixing plate 1 and extend to the inside of the cavity 2, two groups of positioning holes 8 are formed in the right side of the insertion block 6, the two groups of positioning pins 7 are inserted inside the positioning holes, the inner wall of the positioning hole 8 is attached to the surface of the left end of the positioning pin 7, and the inner wall of the positioning hole 8 assists the positioning pin 7 to accurately enter the positioning hole 8;

two groups of press rods 9 are arranged on the right side of the fixed plate 1, one ends of the press rods 9, which are close to the positioning pins 7, are hinged with the right end of the positioning pins 7, the middle parts of the two groups of press rods 9 are hinged with the right side of the fixed plate 1, springs are sleeved on the outer walls of the positioning pins 7, one ends of the springs are welded on the fixed plate 1, the other ends of the springs are welded on the positioning pins 7, when a user presses down the opposite ends of the two groups of press rods 9 at the same time, the two groups of positioning pins 7 move upwards at the same time, the springs are stretched to generate elastic force, and when the user loosens the opposite ends of the press rods 9 at the same time;

the left side and the right side of the bottom end of the fixed plate 1 are both provided with transverse grooves 10, support plates 11 are inserted into the transverse grooves 10, sliding shafts 12 are welded at the front end and the rear end of one side of each support plate 11, which is close to the fixed plate 1, respectively, brackets 13 are arranged at the front side and the rear side of one end of each support plate 11, which is close to the fixed plate 1, respectively, the brackets 13 are welded and fixed with the fixed plate 1, sliding grooves 14 are formed in the middle of the brackets 13, respectively, the sliding shafts 12 are inserted into the sliding grooves 14, the length of the transverse caliber of each sliding groove 14 is equal to the depth of the transverse groove 10, when a user pulls the support plates 11 outwards, the distance of transverse movement of the support plates 11 is equal to the length of the inner parts of the transverse grooves 10, so that the support plates 11 are just separated from the inner parts of the transverse grooves 10, the displacement positions of the support plates 11 are limited, the spring receives tensile production elastic force, when the user unclamp extension board 11, spring release elastic force, spring pulling extension board 11 is close to 1 one side of fixed plate, wrap up fixed plate 1, be convenient for protect fixed plate 1, one side that fixed plate 1 was kept away from to extension board 11 all has the fender net 15 of gluing, the bottom welding of fixed plate 1 has handle 16, the rope hole has been seted up to handle 16's bottom, handle 16's outer wall veneer has the foam-rubber cushion, when user during operation, the outside foam-rubber cushion of handle 16 closely laminates with the user palm, increase frictional force, make that the user can be better grip, after the user finishes the work, pass the rope hole of 16 bottoms of handle with the string, the convenience is hung to the paintbrush and is put.

The working principle is as follows: firstly, a user opens the support plates 11 outwards, and the two groups of support plates 11 are embedded into the corresponding transverse grooves 10, in the process, the support plates 11 are opened towards two sides simultaneously, so that the springs connected with the support plates 11 are stretched to generate elastic force, and after the user releases the support plates 11, the two groups of support plates 11 are subjected to constant tensile force applied by the springs, so that the support plates 11 can be tightly embedded into the transverse grooves 10, and the two groups of support plates 11 are opened;

then, a user simultaneously presses one end of each of the two groups of pressing rods 9 to insert the inserting block 6 into the cavity 2, in the process, the two groups of pressing rods 9 are simultaneously pressed downwards, the positioning pins 7 connected with the pressing rods 9 are simultaneously lifted upwards through the lever principle of the pressing rods 9 and the supporting frames of the pressing rods 9, so that the inserting block 6 can be smoothly inserted into the cavity 2, the springs connected with the positioning pins 7 are stretched to generate elastic force, after the inserting block 6 is inserted into the cavity 2, the user releases the pressing rods 9 at the same time, the springs release the elastic force to push the two groups of positioning pins 7 into the corresponding positioning holes 8, the hairbrush base 5 is arranged at the top end of the fixing plate 1, and the preparation work before the use of the paint brush is completed;

this paintbrush is when using, extension board 11 with keep off net 15 and shelter from paint, prevent this paintbrush paint drippage to on hand when using, the user finishes the back of using, press down simultaneously and press the one end that pole 9 is relative, lift two sets of locating pins 7 simultaneously inside from locating hole 8, then promote push rod 4 backward, release inserted block 6 from cavity 2 is inside, the completion is to the dismantlement of brush head, the user stimulates extension board 11 to both sides simultaneously afterwards, extract extension board 11 from horizontal groove 10 is inside, under the effect of extension board 11 spring, extension board 11 removes to one side that is close to fixed plate 1, make extension board 11 draw close the closure, accomplish the arrangement work after this paintbrush uses.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Paintbrush convenient to change brush head, including fixed plate (1), its characterized in that: the cavity (2) is formed in the top end of the fixing plate (1), the push block (3) is arranged inside the cavity (2), the push rod (4) is welded at the front end of the left side of the push block (3), the push rod (4) penetrates through the inner wall of the left side of the cavity (2) and extends to the outside of the fixing plate (1), the brush seat (5) is arranged above the fixing plate (1), the insert block (6) is welded at the bottom end of the brush seat (5), the insert block (6) is inserted into the cavity (2), two groups of positioning pins (7) are arranged at the top end of the right side of the fixing plate (1), the two groups of positioning pins (7) penetrate through the outer wall of the right side of the fixing plate (1) and extend to the inside of the cavity (2), two groups of positioning holes (8) are formed in the right side of the insert block (6), the two groups of positioning pins (7) are inserted into, one end of each pressing rod (9) close to the positioning pin (7) is hinged with the right end of the positioning pin (7), the middle parts of the two groups of pressing rods (9) are hinged with the right side of the fixing plate (1), the left side and the right side of the bottom end of the fixing plate (1) are provided with transverse grooves (10), support plates (11) are inserted into the transverse grooves (10), the front end and the rear end of one side, close to the fixing plate (1), of each support plate (11) are welded with sliding shafts (12), the front side and the rear side of one end, close to the fixing plate (1), of each support plate (11) are provided with supports (13), the supports (13) are welded and fixed with the fixing plate (1), the middle parts of the supports (13) are provided with sliding grooves (14), the sliding shafts (12) are inserted into the sliding grooves (14), and one side, far away from the fixing plate (1), of each support plate (11, the bottom end of the fixed plate (1) is welded with a handle (16).

2. The paint brush as claimed in claim 1, wherein: the cross section of the left end of the positioning pin (7) is trapezoidal, and the cross section of the positioning hole (8) is trapezoidal matched with the positioning pin (7).

3. The paint brush as claimed in claim 1, wherein: the outer wall of the positioning pin (7) is sleeved with a spring, one end of the spring is welded on the fixing plate (1), and the other end of the spring is welded on the positioning pin (7).

4. The paint brush as claimed in claim 1, wherein: the middle part of the top end of the support plate (11) is welded with a spring, and the other end of the spring is welded on the fixing plate (1).

5. The paint brush as claimed in claim 1, wherein: the length of the transverse caliber of the sliding groove (14) is equal to the depth of the transverse groove (10).

6. The paint brush as claimed in claim 1, wherein: the bottom end of the handle (16) is provided with a rope hole, and the outer wall of the handle (16) is glued with a spongy cushion.