CN211359351U

CN211359351U - Filter and flush coater

Info

Publication number: CN211359351U
Application number: CN201921958967.5U
Authority: CN
Inventors: 赵顺贵; 龚早京
Original assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Current assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-28
Anticipated expiration: 2029-11-13

Abstract

A filter and a spraying machine comprise a main body, a filter cavity which is inwards recessed from the top of the main body, and a feeding boss, a discharging boss, a pressure regulating boss and a pressure relief boss which are outwards protruded from the circumferential side wall of the main body, wherein the feeding boss, the discharging boss, the pressure regulating boss and the pressure relief boss respectively comprise a feeding hole, a discharging hole, a pressure regulating hole and a pressure relief hole which are communicated with the filter cavity; the filter is integrated into one piece, and the circumference lateral wall of main part is including relative first side and the second side that sets up, and feeding boss and pressure regulating boss are located the first side of main part, and ejection of compact boss and pressure release boss are located the second side of main part. The utility model discloses a with filter integrated into one piece, guaranteeing that the filter satisfies under the prerequisite of safe withstand voltage and structural strength requirement, give up traditional solid bar processing, simplify processing technology, save raw and other materials and effectively reduce manufacturing cost, promote the price/performance ratio of filter.

Description

Filter and flush coater

[ technical field ]

The utility model relates to a filter and flush coater, in particular to used filter in high pressure spraying field and have flush coater of this filter.

[ background art ]

The spraying machine is a special coating device adopting a spraying technology, and the principle is that air flow is controlled to instantly push a gas distribution reversing device to reverse, so that a piston of a pneumatic motor can stably and continuously reciprocate. The filter is one of the important components of the plunger type high-pressure airless sprayer, and is used for filtering impurities in the coating and reducing pressure fluctuation of the sprayer. The filter that uses on the market at present is through solid bar processing, and manufacturing process is comparatively complicated, and machining efficiency is low, and material cost and processing cost are high, can't satisfy user's variety and high price/performance ratio's demand.

Accordingly, there is a need for an improved filter and applicator that overcomes the deficiencies of the prior art.

[ contents of utility model ]

To the not enough of prior art, the utility model aims to provide a make simple and low-cost filter and flush coater.

The utility model provides a prior art problem can adopt following technical scheme: a filter comprises a main body, a filter cavity which is inwards recessed from the top of the main body, and a feeding boss, a discharging boss, a pressure regulating boss and a pressure relief boss which are outwards protruded from the circumferential side wall of the main body, wherein the feeding boss, the discharging boss, the pressure regulating boss and the pressure relief boss respectively comprise a feeding hole, a discharging hole, a pressure regulating hole and a pressure relief hole which are communicated with the filter cavity; the filter is integrated into one piece, the circumference lateral wall of main part is including relative first side and the second side that sets up, the feeding boss with the pressure regulating boss is located the first side of main part, just ejection of compact boss with the pressure release boss is located the second side of main part.

The further improvement scheme is as follows: the main part includes from the inside sunken backward flow hole in bottom, the backward flow hole communicate in the pressure release hole.

The further improvement scheme is as follows: the main part includes the strengthening rib that stretches from circumference lateral wall to the epirelief, the strengthening rib is horizontal and vertical crisscross setting.

The further improvement scheme is as follows: a cavity outlet is formed in the top of the filter cavity and provided with internal threads, and a filter knob is connected to the cavity outlet in a threaded mode.

The further improvement scheme is as follows: the main body comprises an annular protrusion protruding outwards from the circumferential side wall of the chamber outlet, and the diameter of the protrusion is larger than that of the reinforcing rib.

The further improvement scheme is as follows: the pressure regulating hole is provided with an internal thread, and a pressure sensor is connected to the thread at the position of the pressure regulating hole.

The further improvement scheme is as follows: the pressure relief hole is provided with an internal thread, and a pressure relief valve is connected to the thread at the position of the pressure relief hole.

The utility model provides a prior art problem still can adopt following technical scheme: a spray coater comprises a machine body, a driving assembly arranged in the machine body, a plunger pump and a filter which are arranged outside the machine body, and a spray gun connected with the filter; the filter is the filter as described in any one of the above, the plunger pump is in fluid communication with the filter, and the driving assembly drives the plunger pump to reciprocate so as to suck external fluid to be sprayed, and the fluid to be sprayed passes through the plunger pump and the filter and is sprayed out from the spray gun.

The further improvement scheme is as follows: the filter comprises a stand column protruding outwards from the circumferential side wall of the main body, the stand column comprises a mounting hole penetrating through the front and the back of the stand column, and the filter is mounted and fixed on the body of the spraying machine through the mounting hole.

The further improvement scheme is as follows: the filter passes through the feed port connect in the plunger pump, just the filter passes through the discharge opening connect in the spray gun.

Compared with the prior art, the utility model discloses following beneficial effect has: by integrally forming the filter, on the premise of ensuring that the filter meets the requirements of safe pressure resistance and structural strength, the traditional solid bar processing is abandoned, the processing technology is simplified, raw materials are saved, the manufacturing cost is effectively reduced, and the cost performance of the filter is improved; meanwhile, the bosses are oppositely arranged on the left side and the right side of the main body at 180 degrees so as to meet the demolding requirement in the process; and through setting up strengthening rib and protruding portion to satisfy the requirement of filter safety withstand voltage and structural strength.

[ description of the drawings ]

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

FIG. 1 is a schematic view of the whole spraying machine of the present invention;

FIG. 2 is a schematic view of the filter of the sprayer of FIG. 1;

FIG. 3 is a cross-sectional view of the filter of FIG. 2;

FIG. 4 is a schematic view of the filter of FIG. 2 with additional components attached;

fig. 5 is a cross-sectional view of the filter of fig. 4 with other components attached.

The meaning of the reference symbols in the figures:

200. flush coater 201, fuselage 202, plunger pump 203, supporting seat 2031, supporting legs 100, filter 101, filter knob 102, pressure sensor 103, relief valve 104, return pipe 1, main part 11, first side 12, second side 13, return hole 14, reinforcing rib 15, protruding part 2, filter chamber 21, chamber outlet 3, feeding boss 31, feeding hole 4, discharging boss 41, discharging hole 5, pressure regulating boss 51, pressure regulating hole 6, pressure relieving boss 61, pressure relieving hole 7, pillar 71, mounting hole

[ detailed description of the invention ]

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1, an embodiment of the present invention relates to a filter 100 and an applicator 200, wherein the applicator 200 includes a support base 203, a body 201 mounted on the support base 203, a driving assembly mounted in the body 201, a plunger pump 202 and a filter 100 mounted outside the body 201, and a spray gun connected to the filter 100. The support base 203 includes two pairs of support legs 2031 disposed opposite to each other, the sprayer 200 is disposed on the working floor through the support legs 2031, the plunger pump 202 is in fluid communication with the filter 100, and the driving assembly drives the plunger pump 202 to reciprocate to suck the external fluid to be sprayed, which passes through the plunger pump 202 and the filter 100 and is ejected from the spray gun.

Referring to fig. 2, the filter 100 includes a substantially cylindrical main body 1, a filter chamber 2 recessed from the top of the main body 1, and a feeding boss 3, a discharging boss 4, a pressure regulating boss 5, a pressure relief boss 6, and a pillar 7 protruding outward from the circumferential sidewall of the main body 1. This filter 100 sets up for integrated into one piece, and is preferred, and filter 100 adopts the low pressure die casting technology to make, under the prerequisite of guaranteeing that filter 100 satisfies safe withstand voltage and structural strength requirement, gives up traditional solid bar processing, simplifies processing technology, saves raw and other materials and effectively reduces manufacturing cost, promotes filter 100's price/performance ratio.

Referring to fig. 3 to 5, a chamber outlet 21 is formed at the top of the filter chamber 2, an internal thread is formed at the chamber outlet 21, a filter knob 101 is threadedly coupled to the chamber outlet 21, and the filter knob 101 is rotated to open or close the filter 100.

In the present embodiment, the feeding boss 3, the discharging boss 4, the pressure regulating boss 5, and the pressure relief boss 6 respectively include a feeding hole 31, a discharging hole 41, a pressure regulating hole 51, and a pressure relief hole 61 communicated with the filter chamber 2, the filter 100 is connected to the plunger pump 202 through the feeding hole 31, and the filter 100 is connected to the spray gun through the discharging hole 41. An internal thread is arranged in the pressure regulating hole 51, and the pressure sensor 102 is connected to the pressure regulating hole 51 through a thread; an internal thread is arranged in the pressure relief hole 61, and a pressure relief valve 103 is connected to the pressure relief hole 61 through a thread; the pillar 7 includes a mounting hole 71 penetrating forward and backward, and the filter 100 is mounted and fixed to the body 201 of the spray coater 200 through the mounting hole 71.

In the present embodiment, the main body 1 includes a first side 11 and a second side 12 which are oppositely disposed at 180 degrees to the left and right, a return hole 13 which is recessed inward from the bottom, a rib 14 which is protruded outward from the circumferential side wall, and an annular protrusion 15 which is protruded outward from the circumferential side wall of the chamber outlet 21. Feeding boss 3, pressure regulating boss 5 and stage 7 are located the first side 11 of main part 1, and ejection of compact boss 4 and pressure release boss 6 are located the second side 12 of main part 1. Specifically, feeding boss 3 sets up in the downside of pressure regulating boss 5, and ejection of compact boss 4 sets up in the upside of pressure release boss 6. The bosses are oppositely arranged on the left side and the right side of the main body 1 at 180 degrees so as to meet the demoulding requirement of the process.

In the present embodiment, the return hole 13 communicates with the relief hole 61, and a return pipe 104 is connected to the return hole 13; the reinforcing ribs 14 are arranged in a transversely and vertically staggered manner; the diameter of the projection 15 is larger than the diameter of the reinforcing bead 14. The ribs 14 and the protrusions 15 are provided to satisfy the requirements of the filter 100 for safe pressure resistance and structural strength.

The operation of applicator 200 is as follows: the pressure relief valve 103 is closed and the filter knob 101 is opened, the high pressure fluid fed back and regulated by the pressure sensor 102 is continuously fed from the feed hole 31, and the spray gun connected to the discharge hole 41 is turned on. Since the filter chamber 2 is subjected to a high pressure fluid for a long time in a pulse manner, the main body 1 of the filter 100 must have a sufficient wall thickness, and no casting pores or material defects must be formed in each pressure-bearing wall thickness.

The utility model discloses a with filter 100 integrated into one piece, guaranteeing that filter 100 satisfies under the prerequisite of safe withstand voltage and structural strength requirement, give up traditional solid bar processing, simplify processing technology, save raw and other materials and effectively reduce manufacturing cost, promote filter 100's price/performance ratio. The bosses are oppositely arranged on the left side and the right side of the main body 1 at 180 degrees so as to meet the demoulding requirement of the process. The ribs 14 and the protrusions 15 are provided to satisfy the requirements of the filter 100 for safe pressure resistance and structural strength.

The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that many other alternatives to the filter and applicator of the present invention may be made without departing from the spirit and scope of the invention. The protection scope of the present invention is subject to the content of the claims.

Claims

1. A filter (100) comprises a main body (1), a filter chamber (2) which is inwards recessed from the top of the main body (1), and a feeding boss (3), a discharging boss (4), a pressure regulating boss (5) and a pressure relief boss (6) which are outwards protruded from the circumferential side wall of the main body (1), wherein the feeding boss (3), the discharging boss (4), the pressure regulating boss (5) and the pressure relief boss (6) respectively comprise a feeding hole (31), a discharging hole (41), a pressure regulating hole (51) and a pressure relief hole (61) which are communicated with the filter chamber (2); the method is characterized in that: filter (100) is integrated into one piece, the circumference lateral wall of main part (1) is including relative first side (11) and the second side (12) that set up, feeding boss (3) with pressure regulating boss (5) are located first side (11) of main part (1), just ejection of compact boss (4) with pressure release boss (6) are located second side (12) of main part (1).

2. The filter (100) of claim 1, wherein: the main part (1) includes from inside sunken backward flow hole (13) in bottom, backward flow hole (13) communicate in pressure release hole (61).

3. The filter (100) of claim 1, wherein: the main part (1) comprises reinforcing ribs (14) protruding outwards from the circumferential side wall, and the reinforcing ribs (14) are arranged in a transverse and vertical staggered mode.

4. A filter (100) according to claim 3, wherein: a chamber outlet (21) is formed in the top of the filter chamber (2), internal threads are arranged on the chamber outlet (21), and a filter knob (101) is connected to the chamber outlet (21) in a threaded mode.

5. A filter (100) according to claim 4, wherein: the main body (1) comprises an annular protrusion (15) protruding outwards from the circumferential side wall of the chamber outlet (21), and the diameter of the protrusion (15) is larger than that of the reinforcing rib (14).

6. The filter (100) of claim 1, wherein: the pressure regulating hole (51) is provided with an internal thread, and a pressure sensor (102) is connected to the pressure regulating hole (51) through a thread.

7. The filter (100) of claim 1, wherein: the pressure relief hole (61) is provided with an internal thread, and the pressure relief hole (61) is in threaded connection with a pressure relief valve (103).

8. A spray coater (200) comprises a body (201), a driving assembly arranged in the body (201), a plunger pump (202) and a filter which are arranged outside the body (201), and a spray gun connected with the filter; the method is characterized in that: the filter is the filter (100) as set forth in any one of claims 1 to 7, the plunger pump (202) is in fluid communication with the filter (100), and the driving assembly drives the plunger pump (202) to reciprocate to suck the external fluid to be sprayed, which passes through the plunger pump (202) and the filter (100) and is ejected from the spray gun.

9. The applicator (200) of claim 8, wherein: the filter (100) comprises a stand column (7) protruding outwards from the circumferential side wall of the main body (1), the stand column (7) comprises a mounting hole (71) penetrating through the front and the back, and the filter (100) is mounted and fixed on the body (201) of the spraying machine (200) through the mounting hole (71).

10. The applicator (200) of claim 8, wherein: the filter (100) is connected to the plunger pump (202) through the inlet opening (31), and the filter (100) is connected to the spray gun through the outlet opening (41).