阅读说明：本技术 一种冰箱底盖及其喷涂方法 (Refrigerator bottom cover and spraying method thereof ) 是由 刘守杰 于 2019-09-20 设计创作，主要内容包括：本发明涉及冰箱底盖技术领域,具体是一种冰箱底盖及其喷涂方法,包括底盖,所述底盖内部为中空结构,且底盖形状为矩形结构,所述底盖顶部外壁中心处开设有矩形槽,且矩形槽内部设置有防尘网,所述底盖远离矩形槽的一侧外壁上开有凹槽,且凹槽底部内壁中心处开设有第二嵌槽,所述第二嵌槽底部内壁铺设有橡胶软垫,所述底盖靠近矩形槽两侧的顶部外壁上开设有呈对称式结构分布的第一嵌槽。本发明的有益效果通过设置的金闪银面漆,可以使底盖的外观具有颜色渐变且闪亮的视觉效果,满足消费者对美的追求；通过设置的UV清漆,可以保护保护金闪银面漆中的闪点不脱落,还能够提高喷涂面硬度,增强喷涂面的抗腐蚀能力。(The invention relates to the technical field of refrigerator bottom covers, in particular to a refrigerator bottom cover and a spraying method thereof. The invention has the beneficial effects that the gold flash silver finish paint is arranged, so that the appearance of the bottom cover has the visual effect of gradually changing colors and flashing, and the pursuit of consumers for beauty is met; the UV varnish can protect flash points in the gold flash silver finish paint from falling off, can improve the hardness of a sprayed surface and enhances the corrosion resistance of the sprayed surface.)

1. The utility model provides a refrigerator bottom which characterized in that: the bottom cover comprises a bottom cover (1), wherein the inside of the bottom cover (1) is of a hollow structure, the bottom cover (1) is of a rectangular structure, a rectangular groove (7) is formed in the center of the outer wall of the top of the bottom cover (1), a dust screen (8) is arranged inside the rectangular groove (7), a groove (4) is formed in the outer wall of one side, far away from the rectangular groove (7), of the bottom cover (1), a second caulking groove (5) is formed in the center of the inner wall of the bottom of the groove (4), a rubber cushion (6) is laid on the inner wall of the bottom of the second caulking groove (5), a first caulking groove (2) which is distributed in a symmetrical structure is formed in the outer wall of the top of the bottom cover (1) close to two sides of the rectangular groove (7), a first inserting hole (3) is formed in the first caulking groove (2), and supporting mechanisms (9) which are distributed in an equidistant structure are, and a moving component (10) is fixedly arranged on the outer wall of one side of the bottom cover (1) close to the inside of the supporting mechanism (9) through screws.

2. A refrigerator bottom cover according to claim 1, wherein: the supporting mechanism (9) comprises a first adjusting seat (11) and a second adjusting seat (16) which are fixedly installed on the outer wall of the bottom cover (1) respectively, threaded holes are formed in the centers of the first adjusting seat (11) and the second adjusting seat (16), a screw rod (12) is inserted into each threaded hole, a handle (17) is fixedly installed at one end, close to the second adjusting seat (16), of the screw rod (12), a nut (13) is connected to the outer wall of the other end, close to the first adjusting seat (11), of the screw rod (12) in a threaded mode, the nut (13) is fixedly installed on the outer wall of one side of the first adjusting seat (11), an adjusting block (15) is connected to the outer wall, located between the first adjusting seat (11) and the second adjusting seat (16), of the screw rod (12), and an auxiliary supporting leg (20) is connected to the bottom of the adjusting block (15) in a rotating mode through, one end, far away from the adjusting block (15), of the auxiliary supporting leg (20) is movably connected with a main supporting leg (18) through a hinge (21), one end of the main supporting leg (18) is movably connected to the bottom of the first adjusting seat (11) through the hinge (21), and the other end, far away from the first adjusting seat (11), of the main supporting leg (18) is sleeved with a rubber cap (19).

3. A refrigerator bottom cover according to claim 1, wherein: remove subassembly (10) including fixing base (22) and universal wheel (25), fixing base (22) pass through screw fixed connection on the bottom outer wall of bottom (1), and fixing base (22) inside grafting has connecting rod (23), universal wheel (25) welding is in the bottom of connecting rod (23), leave the clearance between fixing base (22) and universal wheel (25), and install spring (24) of cup jointing on connecting rod (23) in the clearance.

4. A refrigerator bottom cover according to claim 1, wherein: a rubber pad (26) is bonded on the outer wall of the top of the bottom cover (1), and the specification of the rubber pad (26) is adapted to that of the bottom cover (1).

5. A refrigerator bottom cover according to claim 3, wherein: the universal wheel (25) comprises a wheel seat, the wheel seat is of an inverted U-shaped structure, and wheels are arranged on the inner wall of the bottom of the wheel seat.

6. A refrigerator bottom cover according to claim 2, wherein: the handle (17) is of a round structure, and the outer edge surface of the handle (17) is of a petal-shaped structure.

7. A refrigerator bottom cover according to claim 1, wherein: the outer wall of one side of the screw rod (12) close to the moving component (10) is provided with a hole, and a cotter pin (14) is inserted into the hole.

8. The painting method of a refrigerator bottom cover according to claim 1, wherein: the method comprises the following steps:

s1, cleaning the surface of a base: cleaning the corresponding area of the surface of the refrigerator bottom cover subjected to paint spraying, wherein the cleaning comprises cleaning treatment and polishing treatment;

s2, layered spraying of a primer: spraying primer on the bottom cover (1) cleaned in the step S1 in a layered mode, and drying the primer;

s3, spraying pretreatment of finish paint: inspecting the bottom cover (1) sprayed with the primer in S2, wherein the inspection comprises polishing and air hole removal;

s4, spraying gold flashing silver finish paint: spraying gold flashing silver finish paint on the bottom cover (1) inspected in the S3, and drying the gold flashing silver finish paint;

s5, spraying UV varnish: spraying UV varnish on the bottom cover (1), and drying the UV varnish;

s6, checking after spraying: and (4) inspecting the surface of the bottom cover (1) after spraying, and repeating the steps S1-S6 if a unqualified part is found.

9. The painting method of a refrigerator bottom cover according to claim 8, wherein: the cleaning process includes: utilize the brush to clear away bottom (1) surface filth to adopt the electrostatic precipitator rifle to destatic, dust removal processing bottom (1), polishing treatment includes: and (3) polishing the surface of the bottom cover (1) by using sand paper, cleaning the polished part after polishing, and drying.

10. The painting method of a refrigerator bottom cover according to claim 9, wherein: when the primer is sprayed, a primer paint raw material is provided, a curing agent is added into the primer paint raw material after the primer paint raw material is uniformly stirred, the mass ratio of the primer paint raw material to the curing agent is 4: 1, and the number of sprayed primer layers is 2.

Technical Field

The invention relates to the technical field of refrigerator bottom covers, in particular to a refrigerator bottom cover and a spraying method thereof.

Background

The refrigerator bottom cover paint spraying is a method for protecting a refrigerator bottom cover from being corroded by oxidation, because various corrosion factors exist in the surrounding environment, mainly including chemical corrosion, electrochemical corrosion, corrosion caused by a plurality of physical factors, or the comprehensive action of the corrosion, paint spraying and coating on the surface of the refrigerator bottom cover are very important corrosion-proof maintaining means of the refrigerator bottom cover, a good paint spraying and coating protective layer keeps continuous, complete and undamaged, the combination is good, and the protective layer can be a barrier for inhibiting corrosive media from invading.

The Chinese patent No. CN104028432A provides a method for spraying paint on the surface of a refrigerator bottom cover, which has simple flow, convenient operation and high spraying quality, and in order to realize the technical problems, the invention designs a refrigerator base, which is characterized in that: the method comprises the following steps: s1, pretreating the surface of a refrigerator bottom cover, namely pretreating a corresponding area of the surface of the refrigerator bottom cover subjected to paint spraying, wherein the pretreatment comprises cleaning treatment and polishing treatment; s2, spraying a primer, namely providing a primer paint raw material, uniformly stirring, and spraying the primer layer by layer; s3, pretreating a base body of the refrigerator bottom cover sprayed with the primer by spraying the gold and silver flashing finish paint, wherein the pretreatment comprises polishing, air hole clearing and blow drying; s4, spraying gold flash silver finish paint, providing a finish paint raw material, uniformly stirring, and spraying finish paint in a layered manner; and S5, post-treatment of spray painting, wherein the post-treatment is carried out.

The method for spraying the paint on the surface of the refrigerator bottom cover is rigid in spraying color effect and free of glittering appearance effect, and a coating prepared by the existing spraying method cannot meet the requirement of daily life due to the fact that the coating cannot have adhesive force in a southern high-temperature and high-humidity environment, and is not beneficial to wide popularization and application.

Disclosure of Invention

The invention aims to provide a refrigerator bottom cover and a spraying method thereof, and aims to solve the problems that the spraying color effect proposed in the background technology is stiff and does not have the appearance effect of glaring, and a coating prepared by the existing spraying method cannot meet the use requirement in daily life due to the fact that the coating cannot have adhesive force in a southern high-temperature and high-humidity environment.

The technical scheme of the invention is as follows: the utility model provides a refrigerator bottom, includes the bottom, the inside hollow structure that is of bottom, and the bottom shape is the rectangle structure, bottom top outer wall center department has seted up the rectangular channel, and the inside dust screen that is provided with of rectangular channel, it has the recess to open on one side outer wall that the rectangular channel was kept away from to the bottom, and recess bottom inner wall center department has seted up the second caulking groove, rubber cushion has been laid to second caulking groove bottom inner wall, set up the first caulking groove that is symmetrical formula structural distribution on the bottom is close to the top outer wall of rectangular channel both sides, and first caulking groove is inside has seted up first inserted hole, the bottom outer wall of bottom all has the supporting mechanism that is equidistant structural distribution all around through screw fixed mounting, and has the removal subassembly through screw fixed mounting on the bottom is close to one side outer wall of supporting mechanism inside.

Further, the supporting mechanism comprises a first adjusting seat and a second adjusting seat which are respectively fixedly arranged on the outer wall of the bottom cover, the centers of the first adjusting seat and the second adjusting seat are both provided with threaded holes, a screw rod is inserted in the threaded hole, a handle is fixedly arranged at one end of the screw rod close to the second adjusting seat, a nut is connected with the outer wall of the other end of the screw rod close to the first adjusting seat in a threaded manner, the nut is fixedly arranged on the outer wall of one side of the first adjusting seat, the outer wall of the screw rod between the first adjusting seat and the second adjusting seat is in threaded connection with an adjusting block, and the bottom of the adjusting block is rotationally connected with an auxiliary supporting leg through a hinge, one end of the auxiliary supporting leg far away from the adjusting block is movably connected with a main supporting leg through a hinge, and one end of the main supporting leg is movably connected to the bottom of the first adjusting seat through a hinge, and the other end, far away from the first adjusting seat, of the main supporting leg is sleeved with a rubber cap.

Further, the movable assembly comprises a fixed seat and a universal wheel, the fixed seat is fixedly connected to the outer wall of the bottom cover through a screw, a connecting rod is inserted into the fixed seat, the universal wheel is welded to the bottom end of the connecting rod, a gap is reserved between the fixed seat and the universal wheel, and a spring sleeved on the connecting rod is installed in the gap.

Furthermore, a rubber pad is bonded on the outer wall of the top of the bottom cover, and the specification of the rubber pad is adapted to that of the bottom cover.

Furthermore, the universal wheel includes the wheel seat, the wheel seat is "U" shape structure, and is provided with the wheel on the bottom inner wall of wheel seat.

Furthermore, the handle is of a round structure, and the outer edge surface of the handle is of a petal-shaped structure.

Furthermore, a hole is formed in the outer wall of one side, close to the moving assembly, of the screw, and a cotter pin is inserted into the hole.

The spraying method of the refrigerator bottom cover comprises the following steps:

s1, cleaning the surface of a base: cleaning the corresponding area of the surface of the refrigerator bottom cover subjected to paint spraying, wherein the cleaning comprises cleaning treatment and polishing treatment;

s2, layered spraying of a primer: spraying primer on the bottom cover layer cleaned in the step S1, and drying the primer;

s3, spraying pretreatment of finish paint: inspecting the bottom cover sprayed with the primer in S2, wherein the inspecting includes polishing and removing the air holes;

s4, spraying gold flashing silver finish paint: spraying gold flashing silver finish paint on the bottom cover checked in the S3, and drying the gold flashing silver finish paint;

s5, spraying UV varnish: spraying UV varnish on the bottom cover, and drying the UV varnish;

s6, checking after spraying: and (4) checking the surface of the bottom cover after spraying, and repeating the steps from S1 to S6 if a unqualified part is found.

Further, the cleaning process includes: utilize the brush to clear away bottom surface filth to adopt the electrostatic precipitator rifle to destatic, dust removal treatment to the bottom, polishing treatment includes: and (3) polishing the surface of the bottom cover by using sand paper, cleaning the polished part after polishing, and drying.

Further, when the primer is sprayed, a primer paint raw material is provided, a curing agent is added into the primer paint raw material after the primer paint raw material is uniformly stirred, the mass ratio of the primer paint raw material to the curing agent is 4: 1, and the number of sprayed primer layers is 2.

The invention provides a refrigerator bottom cover and a spraying method thereof through improvement, compared with the prior art, the refrigerator bottom cover has the following improvements and advantages:

(1) through the gold flash silver finish paint, the appearance of the bottom cover can have the visual effect of color gradual change and flash after the spraying is finished, so that the whole color of the bottom cover and the refrigerator is more dazzling and dazzling, and the pursuit of consumers for beauty is met.

(2) The UV varnish can protect flash points in the gold flash silver finish paint from falling off, can improve the hardness of a sprayed surface, enhances the corrosion resistance of the sprayed surface, and can increase the gloss and enhance the performances of friction resistance, weather resistance and the like.

(3) Through the layering spraying priming paint that sets up, can form the multilayer paint layer on spraying the face, make spraying face have higher paint spraying quality, but also can further avoid the production of local unqualified position through handling with subsequent spraying paint.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic view of the painting process of the present invention;

FIG. 2 is a schematic view of the bottom cover structure of the present invention;

FIG. 3 is a cross-sectional view of the bottom cover structure of the present invention;

FIG. 4 is a schematic structural view of the support mechanism of the present invention;

fig. 5 is a schematic structural diagram of the moving assembly of the present invention.

Description of reference numerals:

the universal wheel comprises a bottom cover 1, a first caulking groove 2, a first insertion hole 3, a groove 4, a second caulking groove 5, a rubber cushion 6, a rectangular groove 7, a dustproof net 8, a supporting mechanism 9, a moving assembly 10, a first adjusting seat 11, a screw rod 12, a nut 13, a split pin 14, an adjusting block 15, a second adjusting seat 16, a handle 17, a main supporting leg 18, a rubber cap 19, an auxiliary supporting leg 20, a shaft hinge 21, a fixed seat 22, a connecting rod 23, a spring 24, a universal wheel 25 and a rubber cushion 26.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides a refrigerator bottom cover through improvement, as shown in figures 2-5, comprising a bottom cover 1, wherein the interior of the bottom cover 1 is of a hollow structure, the bottom cover 1 is of a rectangular structure, a rectangular groove 7 is arranged at the center of the outer wall at the top of the bottom cover 1 and is used for exchanging air and dissipating heat at the bottom of a refrigerator, a dust screen 8 is arranged in the rectangular groove 7 and is used for preventing dust from entering a power system of the refrigerator, a groove 4 is arranged on the outer wall of one side of the bottom cover 1 far away from the rectangular groove 7, a second caulking groove 5 is arranged at the center of the inner wall at the bottom of the groove 4 and is used for placing feet at the bottom of the refrigerator, a rubber cushion 6 is laid on the inner wall at the bottom of the second caulking groove 5 and can slow down the extrusion of the bottom cover 1 by the refrigerator, a first caulking groove 2 which is distributed in a symmetrical structure is arranged on the outer wall at the top of, supporting mechanisms 9 which are distributed in an equidistant structure are fixedly installed on the periphery of the outer wall of the bottom cover 1 through screws and used for supporting the bottom cover 1, and a moving assembly 10 is fixedly installed on the outer wall of one side, close to the inside of the supporting mechanisms 9, of the bottom cover 1 through screws, so that the bottom cover 1 can move.

Further, the supporting mechanism 9 includes two first adjusting seats 11 and two second adjusting seats 16 respectively fixedly installed on the outer wall of the bottom cover 1 for supporting the screw rod 1, threaded holes are respectively formed in the centers of the first adjusting seats 11 and the second adjusting seats 16, a screw rod 12 is inserted into the threaded holes, a handle 17 is fixedly installed at one end of the screw rod 12 close to the second adjusting seat 16 and can rotate the screw rod 12, a nut 13 is connected to the outer wall of the other end of the screw rod 12 close to the first adjusting seat 11 in a threaded manner and is used for fixing the screw rod 12, the nut 13 is fixedly installed on the outer wall of one side of the first adjusting seat 11, an adjusting block 15 is connected to the outer wall of the screw rod 12 between the first adjusting seat 11 and the second adjusting seat 16 in a threaded manner and is used for driving the adjusting block 15 to move when the screw rod 12 moves, and an additional supporting leg 20 is rotatably connected to the bottom of the, the main supporting leg 18 is movably connected to one end, far away from the adjusting block 15, of the auxiliary supporting leg 20 through a hinge 21 and used for supporting the bottom cover 1, one end of the main supporting leg 18 is movably connected to the bottom of the first adjusting seat 11 through the hinge 21, and the rubber cap 19 is sleeved on the other end, far away from the first adjusting seat 11, of the main supporting leg 18 so as to prevent the main supporting leg 18 from slipping and reducing noise during moving.

Further, remove subassembly 10 including fixing base 22 and universal wheel 25, fixing base 22 passes through screw fixed connection on the bottom outer wall of bottom 1, and the inside grafting of fixing base 22 has connecting rod 23, can be at the inside sliding compression spring of fixing base 22, and the universal wheel 25 welds the bottom at connecting rod 23, leaves the clearance between fixing base 22 and the universal wheel 25, and installs the spring 24 of cup jointing on connecting rod 23 in the clearance, vibrations when slowing down the removal.

Furthermore, a rubber pad 26 is adhered to the outer wall of the top of the bottom cover 1, which plays an insulating role and reduces the pressure of the refrigerator on the bottom cover 1, and the specification of the rubber pad 26 is adapted to the specification of the bottom cover 1.

Further, the universal wheel 25 includes a wheel seat, the wheel seat is of an inverted U-shaped structure, so that the wheel is convenient to mount, and the inner wall of the bottom of the wheel seat is provided with the wheel.

Further, the handle 17 is in a round structure, and the outer edge of the handle 17 is in a petal-shaped structure, so that the handle 17 can be conveniently rotated.

Furthermore, a hole is formed in the outer wall of the screw 12 on the side close to the moving assembly 10, and a cotter 14 is inserted into the hole to prevent the screw 12 from separating from the nut 13.

The invention provides a spraying method of a refrigerator bottom cover by improvement, which comprises the following steps as shown in figures 2-5:

s1, cleaning the surface of a base: cleaning the corresponding area on the surface of the refrigerator bottom cover subjected to paint spraying, wherein the cleaning comprises cleaning treatment and polishing treatment;

s2, layered spraying of a primer: spraying primer on the bottom cover 1 cleaned in the step S1 in a layered manner, and drying the primer;

s3, spraying pretreatment of finish paint: inspecting the bottom cover 1 sprayed with the primer in S2, wherein the inspecting includes polishing and removing the air holes;

s4, spraying gold flashing silver finish paint: spraying gold flashing finish paint on the bottom cover 1 checked in the S3, and drying the gold flashing finish paint;

s5, spraying UV varnish: spraying UV varnish on the bottom cover 1, and drying the UV varnish;

s6, checking after spraying: and (4) inspecting the surface of the bottom cover 1 after spraying, and repeating the steps from S1 to S6 if a defective part is found.

Further, the cleaning process includes: utilize the brush to clear away 1 surperficial filth of bottom to adopt the electrostatic precipitator rifle to destatic, dust removal processing to bottom 1, polishing treatment includes: and (3) polishing the surface of the bottom cover 1 by using sand paper, cleaning the polished part after polishing, and drying.

Furthermore, when the primer is sprayed, a primer paint raw material is provided, and after the primer paint raw material is uniformly stirred, a curing agent is added into the primer paint raw material, so that the firmness of the primer paint can be enhanced, the drying time of the primer paint can be reduced, the mass ratio of the primer paint raw material to the curing agent is 4: 1, the number of layers of the sprayed primer paint is 2, the corrosion resistance of the bottom cover is enhanced, and the uniform thickness of the primer paint is ensured.

The working principle of the invention is as follows: an operator firstly cleans the surface of the punched refrigerator bottom cover, removes dirt on the surface of the refrigerator bottom cover by using a brush, performs static electricity and dust removal treatment on the bottom cover by using an electrostatic dust removal gun, then polishes the surface of the bottom cover by using abrasive paper, cleans the polished place after polishing, and dries; after cleaning, spraying the mixed primer on the spraying surface of the bottom cover by using a spray gun, then putting the bottom cover sprayed with one layer into an oven for drying, then spraying the primer on the bottom cover again after the dried bottom cover is cooled, and ensuring uniform spraying to ensure the thickness of a paint film when spraying a second layer of primer; after spraying, checking, removing bubbles and polishing the primer sprayed on the bottom cover, and if some parts are not sprayed in place, painting the primer by tracing; then spraying gold flash silver finish paint on the bottom cover sprayed with the primer again, and performing layered spraying and drying as well as the primer to ensure uniform spraying; and after finishing spraying the finish paint, spraying UV varnish again on the base of the finish paint, drying and cooling after spraying, and after finishing spraying the paint, successively installing a support member and a moving assembly at the bottom of the bottom cover of the refrigerator bottom cover to finish the assembly of the bottom cover.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.