CN218690853U

CN218690853U - Anti-blocking device for panel paint spraying head of washing machine

Info

Publication number: CN218690853U
Application number: CN202222883767.6U
Authority: CN
Inventors: 谭兴建
Original assignee: Wuhu Shengyuan Electric Appliance Co ltd
Current assignee: Wuhu Shengyuan Electric Appliance Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a washing machine panel spraying technical field, concretely relates to washing machine panel spray head prevents stifled device, including the spray head casing, first bobbin case and second bobbin case are installed to the bottom mirror image of spray head casing, the discharge gate has been seted up to the opposite face inner wall of first bobbin case and second bobbin case, the inside of discharge gate is provided with pull throughs at the inner wall of first bobbin case and second bobbin case. Coating discharges in the discharge gate behind the interior bobbin, when coating process interior bobbin, coating can strike the inclined plane on baffle surface earlier, and partial coating can strike the dura mater, the dura mater receives the extrusion back, under the effect of inside airtight chamber pressure and butt joint pole, the end can drive surperficial mantle and expand to the inboard simultaneously, dredge the discharge gate through adjusting airflow pressure down repeatedly, make the mantle constantly expand and contract in the lateral wall of discharge gate, the inner wall of avoiding the discharge gate has a large amount of coating attachments, realize the anti-blocking function of the head that sprays paint.

Description

Anti-blocking device for panel paint spray head of washing machine

Technical Field

The utility model relates to a washing machine panel spraying technical field especially relates to a washing machine panel paint spraying head prevents stifled device.

Background

The inside panel of washing machine need use the spraying to spout in process of production and cover the protective layer, plays the effect of protection, adopts pneumatic spray gun mostly when the spraying, makes compressed air make the coating atomizing become tiny paint liquid drop through air compressor, spout to the surface of being coated from the shower nozzle of spray gun front end under the drive of air current, wherein because the long-term condition of air current and coating internal reaction in the spraying process, can cause inside to block up, consequently need handle with the help of preventing blocking up.

And CN202121653441.3 among the prior art discloses a washing machine panel sprays paint with preventing blockking up shower nozzle, hold pipe, automatic mediation including shower nozzle shell body, connecting pipe, mediation subassembly and prevent stifled subassembly and paint blowout pipe, shower nozzle shell body right-hand member is provided with outer flaring, outer flaring inner wall is provided with the installation internal thread, the inside central authorities of shower nozzle shell body are provided with mediation subassembly and hold the pipe, mediation subassembly holds pipe and prevents through connecting rib and shower nozzle shell body inner wall connection all around, mediation subassembly holds pipe internally mounted and has automatic mediation to prevent stifled subassembly, and above-mentioned subassembly can dredge to the paint spraying head and prevent stifled, nevertheless in practical application, still has following not enough:

just can dredge after spraying paint, and at the in-process that sprays paint, the head that sprays paint spouts through spray gun front end shower nozzle, because spun pressure is different, receives influences such as granule and air pressure in the coating, leads to the first inner wall of spraying paint to have a large amount of coating attachments, and it is serious to block up, can't carry out automatic mediation at the in-process of spraying paint according to the pressure of air current.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a washing machine panel paint spraying head prevents stifled device to the solution receives influences such as granule and air pressure in the coating, leads to the paint spraying head inner wall to have a large amount of coating attachments, and it is serious to block up, can't carry out the problem of automatic mediation at the paint spraying in-process according to the pressure of air current.

Based on the above-mentioned purpose, the utility model provides a washing machine panel paint spray head prevents stifled device, include: the paint spraying device comprises a paint spraying head shell, wherein an inner bobbin is installed at the center of the inner part of the paint spraying head shell through a support, and shunting channels are arranged between the inner bobbin and the paint spraying head shell and inside the inner bobbin and used for shunting the inner paint of the paint spraying head shell;

first shell and second shell are installed to the bottom mirror image of spray head casing, the discharge gate that is used for washing machine panel spraying is offered to the inner wall of first shell and second shell, the inside of discharge gate is provided with the pull throughs at the inner wall of first shell and second shell, the pull throughs dredges the inside coating of discharge gate.

Preferably, the pull through device further comprises: the baffle, baffle fixed mounting is at the inside wall of first shell and second shell, the baffle will respectively the inside of first shell and second shell is separated and is formed airtight chamber, the storage tank has been seted up to the inside of baffle, the laminating is provided with the dura mater in the storage tank that the baffle top was seted up, one side of baffle is provided with the mantle in the inside laminating of storage tank, the activity is provided with the butt rod between the outside of dura mater and mantle, fixedly connected with reset spring between the inside wall of the top of butt rod and baffle.

Preferably, the abutting rods are obliquely arranged by taking the vertical surface of the partition plate as a reference, and the joints of the top of the partition plate and the first cylinder shell and the second cylinder shell are inclined surfaces.

Preferably, the flow dividing channel further comprises: the inner tube is provided with a discharge hole, a diversion groove is formed between the periphery of the inner tube and the inner wall of the spray painting head shell, a drainage channel is formed in the position, close to the top end of the discharge hole, of the center of the inner portion of the inner tube, a transmission rod is attached to the inner portion of the inner tube in a rotating mode, and the tail end of the transmission rod is fixedly connected with an inclined surface piece.

Preferably, the inclined surface pieces are distributed in a quasi-annular mode by taking the bottom of the transmission rod as a reference, the inclined surface pieces are located in the middle of the splitter box, and the drainage channels and the inner bobbin are arranged in an up-and-down corresponding mode.

Preferably, the upper surface of the paint spray head shell is provided with a thread groove, and a mounting bolt penetrates through the thread groove.

The utility model has the advantages that: when the spraying nozzle is used, airflow pressure of a spraying gun is utilized, coating firstly passes through a connecting sleeve and then passes through the surface of an inner barrel to be impacted, the coating is converged into the top end of a discharge port together with a drainage channel through a splitter box, the coating is driven to rotate with a transmission rod after contacting with an inclined plane sheet in the drainage channel, the coating at the converged position is pushed out, the coating is discharged in the discharge port after passing through the inner barrel, the coating firstly collides with the inclined plane on the surface of a partition plate when passing through the inner barrel, part of the coating impacts a hard film, the hard film is extruded, the tail end can drive a surface soft film to simultaneously expand inwards under the action of the pressure of an internal closed cavity and a butting rod, the discharge port is dredged by repeatedly adjusting the airflow pressure, the soft film continuously expands and contracts in the side wall of the discharge port, a large number of coating attachments are prevented from being arranged on the inner wall of the discharge port, and the function of the spraying nozzle is realized.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a half-section structure of the paint spray head of the present invention;

fig. 3 is a schematic sectional view of the present invention.

Labeled in the figure as: 1. a paint spray head housing; 2. a support; 3. installing a bolt; 4. an inner bobbin; 41. a shunt slot; 42. a drainage channel; 43. a transmission rod; 44. oblique dough sheets; 5. a first cartridge; 51. a partition plate; 52. a butting rod; 53. a containing groove; 54. dura mater; 55. a return spring; 56. a soft film; 6. a second cartridge; 7. and (4) a discharge port.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments.

It should be noted that unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example one

As shown in fig. 1 and 3, a panel painting head anti-blocking device of a washing machine includes: the paint spraying head comprises a paint spraying head shell 1, wherein an inner bobbin 4 is installed at the center of the interior of the paint spraying head shell 1 through a support 2, a thread groove is formed in the upper surface of the paint spraying head shell 1, a mounting bolt 3 penetrates through the interior of the thread groove, and shunting channels are formed between the inner bobbin 4 and the paint spraying head shell 1 and inside the inner bobbin 4 and used for shunting paint of the paint spraying head shell 1;

first bobbin case 5 and second bobbin case 6 are installed to the bottom mirror image of spray head casing 1, and discharge gate 7 that is used for the spraying of washing machine panel is offered to the inner wall of first bobbin case 5 and second bobbin case 6, and the inside of discharge gate 7 is provided with the pull throughs at the inner wall of first bobbin case 5 and second bobbin case 6, and the pull throughs dredges the inside coating of discharge gate 7.

Wherein, the periphery and the inside of through interior bobbin 4 are provided with the reposition of redundant personnel passageway, shunt the first casing 1 inside of spraying paint, advance to spray paint between a large amount of coatings and come in and go out and cause the jam, prevent that the inside volume of the first discharge gate 7 of spraying paint is not enough to cause the condition of jam, and the pull throughs of the first casing 1 inside of spraying paint simultaneously can dredge discharge gate 7 at the in-process of spraying paint.

Example two

As shown in fig. 2 and 3, a panel painting head anti-blocking device of a washing machine includes: first casing of spray paint 1, the inside center department of first casing of spray paint 1 installs interior bobbin 4 through support 2, first bobbin case 5 and second bobbin case 6 are installed to the bottom mirror image of first casing of spray paint 1, discharge gate 7 that is used for the spraying of washing machine panel is offered to the inner wall of first bobbin case 5 and second bobbin case 6, the inside of discharge gate 7 is provided with the pull throughs at the inner wall of first bobbin case 5 and second bobbin case 6, the pull throughs carries out the mediation to the inside coating of discharge gate 7.

Pull throughs still includes: baffle 51, baffle 51 fixed mounting is at the inside wall of first shell 5 and second shell 6, baffle 51 separates the inside of first shell 5 and second shell 6 respectively and forms sealed chamber, storage tank 53 has been seted up to the inside of baffle 51, the laminating is provided with dura mater 54 in the storage tank 53 that the baffle 51 top was seted up, one side of baffle 51 is provided with mantle 56 in the inside laminating of storage tank 53, the activity is provided with butt pole 52 between the outside of dura mater 54 and mantle 56, butt pole 52 uses the vertical plane of baffle 51 to be accurate and be the slope setting, the top and the first shell 5 of baffle 51, the junction of second shell 6 is the inclined plane, fixedly connected with reset spring 55 between butt pole 52's the top and the inside wall of baffle 51.

Wherein, in the process of spraying paint, utilize the air pressure of spray gun, coating discharges in discharge gate 7 behind the interior bobbin 4, when coating is through interior bobbin 4, coating can strike the inclined plane on baffle 51 surface earlier, and partial coating can strike the dura mater 54, the dura mater 54 receives the extrusion back, under the effect of inside airtight chamber pressure and butt rod 52, the end can drive surperficial mantle 56 and expand to the inboard simultaneously, through adjusting the inside air pressure who gets into the spray head, make the mantle 56 constantly expand and contract in the lateral wall of discharge gate 7, dredge under adjusting air pressure repeatedly.

EXAMPLE III

As shown in fig. 1, 2 and 3, a panel spray head anti-blocking device for a washing machine includes: the paint spraying head comprises a paint spraying head shell 1, wherein an inner bobbin 4 is installed at the center of the interior of the paint spraying head shell 1 through a support 2, a thread groove is formed in the upper surface of the paint spraying head shell 1, a mounting bolt 3 penetrates through the interior of the thread groove, and shunting channels are formed between the inner bobbin 4 and the paint spraying head shell 1 and inside the inner bobbin 4 and used for shunting paint of the paint spraying head shell 1;

the shunting passage still includes: the inner tube comprises a diversion channel 41, the diversion channel 41 is arranged between the periphery of an inner tube 4 and the inner wall of a paint spraying head shell 1, a drainage channel 42 is arranged at the top end, close to a discharge hole 7, of the center of the inner portion of the inner tube 4, a transmission rod 43 is attached to the inner portion of the inner tube 4 in a rotating mode, an inclined surface piece 44 is fixedly connected to the tail end of the transmission rod 43, the inclined surface piece 44 is distributed in a quasi-annular mode by taking the bottom of the transmission rod 43 as the bottom, the inclined surface piece 44 is located in the middle of the diversion channel 41, and the drainage channel 42 and the inner tube 4 are arranged in an up-down corresponding mode.

By utilizing the airflow pressure of the spray gun, after the coating passes through the connecting sleeve 2, the coating is converged into the top end of the discharge port 7 through the splitter box 41 and the drainage channel 42 under the surface impact of the inner barrel 4, and in the drainage channel 42, the coating is contacted with the inclined surface piece 44 to drive the inclined surface piece 44 and the transmission rod 43 to rotate so as to push out the coating converged, so that the blockage caused by the fact that a large amount of coating enters and exits the spray head during spraying is avoided.

The working principle is as follows: when the spraying device is used, a spray gun is connected with a thread groove in a connecting sleeve 2, a panel of the washing machine corresponds to a discharge hole 7 and is locked by a mounting bolt 3, when spraying is carried out, the airflow pressure of the spray gun is utilized, after coating passes through the connecting sleeve 2, the coating is impacted by the surface of an inner barrel 4, the coating passes through a diversion groove 41 and a drainage channel 42 and is collected into the top end of the discharge hole 7, after the coating is contacted with an inclined surface piece 44 in the drainage channel 42, the inclined surface piece 44 and a transmission rod 43 are driven to rotate, the coating at the collected position is pushed out, the blockage caused by the fact that a large amount of coating enters and exits a spray head in one moment when spraying is carried out is avoided, and the spraying efficiency when a large amount of coating is sprayed is improved.

And in the paint spraying process, the paint is discharged from the discharge port 7 after passing through the inner barrel 4 by utilizing the airflow pressure of the spray gun, when the paint passes through the inner barrel 4, the paint can firstly impact the inclined plane on the surface of the partition plate 51, part of the paint can impact the hard film 54, the hard film 54 is extruded, the tail end can drive the surface soft film 56 to simultaneously expand inwards under the action of the internal closed cavity pressure and the abutting rod 52, when the airflow pressure entering the paint spraying head is reduced, the pressure of the hard film 54 is reduced, the expansion degree of the soft film 56 is small under the action of the pressure and the elastic force of the return spring 55 at the top end of the abutting rod 52, a distance difference is formed, so that the discharge port 7 is dredged by repeatedly adjusting the airflow pressure, the soft film 56 continuously expands and contracts in the side wall of the discharge port 7, a large amount of paint attachments are prevented from being arranged on the inner wall of the discharge port 7, and the anti-blocking function of the paint spraying head is realized.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A washing machine panel paint spray head anti-blocking device comprises: the paint spraying device comprises a paint spraying head shell (1), wherein an inner bobbin (4) is installed at the center of the interior of the paint spraying head shell (1) through a support (2), and shunting channels are arranged between the inner bobbin (4) and the paint spraying head shell (1) and inside the inner bobbin (4) and used for shunting the interior paint of the paint spraying head shell (1);

its characterized in that, first bobbin case (5) and second bobbin case (6) are installed to the bottom mirror image of spray head casing (1), discharge gate (7) that are used for the washing machine panel spraying are offered to the inner wall of first bobbin case (5) and second bobbin case (6), the inside of discharge gate (7) is provided with the pull throughs at the inner wall of first bobbin case (5) and second bobbin case (6), the pull throughs dredges the inside coating of discharge gate (7).

2. A washing machine panel spray head anti-clog device according to claim 1, wherein said dredging device further comprises:

baffle (51), baffle (51) fixed mounting is at the inside wall of first shell (5) and second shell (6), baffle (51) will respectively the inside partition of first shell (5) and second shell (6) forms airtight chamber, storage tank (53) have been seted up to the inside of baffle (51), the laminating is provided with dura mater (54) in storage tank (53) that baffle (51) top was seted up, one side of baffle (51) is provided with mantle (56) in the inside laminating of storage tank (53), the activity is provided with between the outside of dura mater (54) and mantle (56) and connects pole (52), fixedly connected with reset spring (55) between the inside wall of the top of pole (52) and baffle (51).

3. The washing machine panel paint spray head anti-blocking device as claimed in claim 2, wherein the abutting rod (52) is arranged in an inclined manner with respect to a vertical surface of the partition plate (51), and a joint of the top of the partition plate (51) and the first and second drum shells (5, 6) is an inclined surface.

4. A washing machine panel spray head anti-clog device according to claim 1, wherein said diversion channel further comprises:

the device comprises a splitter box (41), the splitter box (41) is arranged between the periphery of the inner barrel (4) and the inner wall of the spray painting head shell (1), a drainage channel (42) is arranged at the top end, close to a discharge hole (7), of the center of the inner portion of the inner barrel (4), a transmission rod (43) is attached to the inner portion of the inner barrel (4) in a rotating mode, and an inclined surface piece (44) is fixedly connected to the tail end of the transmission rod (43).

5. The washing machine panel paint spray head anti-blocking device as claimed in claim 4, wherein the inclined surface pieces (44) are annularly distributed with the bottom of the transmission rod (43) as a quasi-circular shape, the inclined surface pieces (44) are positioned in the middle of the diversion channel (41), and the drainage channel (42) and the inner barrel (4) are vertically and correspondingly arranged.

6. The washing machine panel spray head anti-blocking device as claimed in claim 1, characterized in that the upper surface of the spray head housing (1) is provided with a threaded groove, and a mounting bolt (3) is arranged in the threaded groove in a penetrating manner.