CN216306726U - Liquid suction valve protection device of high-pressure airless sprayer - Google Patents
Liquid suction valve protection device of high-pressure airless sprayer Download PDFInfo
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- CN216306726U CN216306726U CN202121814684.0U CN202121814684U CN216306726U CN 216306726 U CN216306726 U CN 216306726U CN 202121814684 U CN202121814684 U CN 202121814684U CN 216306726 U CN216306726 U CN 216306726U
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- Prior art keywords
- valve
- liquid suction
- rod
- valve rod
- protective shell
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000005213 imbibition Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- 230000000873 masking effect Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
- 238000005507 spraying Methods 0.000 description 8
- 239000003351 stiffener Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a liquid suction valve protection device of a high-pressure airless sprayer, which comprises a support, wherein a valve seat is arranged in the support, a valve rod is arranged in the middle of the valve seat, a limiting block is arranged at the upper end of the valve rod, a spring is arranged between the limiting block and the upper end of the valve seat and surrounds the valve rod, a protective shell is arranged outside the spring and in threaded connection with the valve seat, a sealing gasket is arranged between the protective shell and the valve seat, a plurality of exhaust holes are formed in the upper surface of the protective shell, a rubber cover is arranged at the upper end of the protective shell, a reinforcing rod is arranged at the lower end of the valve rod, a buffer layer is arranged between the reinforcing rod and the valve rod, a liquid suction valve sucker is arranged at one end, away from the valve rod, of the reinforcing rod, a buffer ring is arranged at the lower end of the support, and the liquid suction valve sucker is matched with the buffer ring. The utility model has the beneficial effects that: the utility model has reasonable design, simple and stable structure and strong practicability; the protection problem of imbibition valve in the main valve body has been solved, the isolation of imbibition valve and masking liquid has been realized, has improved the life of equipment, has reduced the manufacturing cost of enterprise.
Description
Technical Field
The utility model relates to the technical field, in particular to a liquid suction valve protection device of a high-pressure airless sprayer.
Background
The high-pressure airless sprayer is a special coating device adopting high-pressure spraying technology. The engine drives the eccentric flywheel to rotate, the eccentric flywheel drives the piston to do reciprocating motion, the pump body continuously sucks hydraulic oil to be conveyed to the diaphragm, then the diaphragm continuously sucks coating in a reciprocating motion mode, high pressure is formed in the closed space, then a spray gun trigger connected to the tail end of the coating pipe is released, high-pressure coating flow is forced to pass through the tiny spray nozzle to form atomization, and accordingly the high-pressure coating flow reaches the surface of an object to be coated.
The liquid suction system of the coating machine has a certain influence effect on the service performance of the coating machine, the most important liquid suction valve in the liquid suction system is the liquid suction valve, the traditional liquid suction valve of the coating machine is placed in the coating, the coating is extremely difficult to clean because the viscosity of the coating is extremely easy to attach to the liquid suction valve, and the liquid suction valve has certain corrosion, so that the service life of the liquid suction valve is shortened, and the production cost of an enterprise is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid suction valve protection device for a high-pressure airless sprayer, which aims to solve the problem that the existing liquid suction valve is difficult to clean because the coating is easy to adhere to the liquid suction valve in the coating.
The utility model realizes the purpose through the following technical scheme: the utility model provides a high-pressure airless sprayer imbibition valve protection device, includes the support, be equipped with the disk seat in the support, be equipped with the valve rod in the middle of the disk seat, the valve rod upper end is equipped with the stopper, the stopper with center on between the disk seat upper end the valve rod is equipped with the spring, the spring outside is equipped with the protective housing, the protective housing with disk seat threaded connection, be equipped with seal gasket between protective housing and the disk seat, the protective housing upper surface is equipped with a plurality of exhaust holes, the protective housing upper end is equipped with the rubber cover, the valve rod lower extreme is equipped with the stiffener, the stiffener with be equipped with the buffer layer between the valve rod, the stiffener is kept away from valve rod one end is equipped with imbibition valve sucking disc, the support lower extreme is equipped with the buffer ring, imbibition valve sucking disc with buffer ring phase-match.
Furthermore, the buffer layer is a semi-conical structure, and tensile force is improved.
Furthermore, the valve rod, the buffer layer and the reinforcing rod are all made of stainless steel materials and are integrated, so that the overall strength is improved, and the valve rod is corrosion-resistant.
Furthermore, the valve rod is far away from buffer layer one end with stopper threaded connection, convenient to detach, change and maintenance.
Furthermore, a fillet is arranged between the reinforcing rod and the sucking disc of the liquid suction valve, so that the integrating degree is improved.
Further, protective housing upper end internal surface is equipped with the spout, the stopper with spout sliding connection carries on spacingly to valve rod direction of motion.
The utility model has the beneficial effects that: the utility model has reasonable design, simple and stable structure and strong practicability; the arranged buffer layer provides certain buffer, so that the tensile force of the valve rod is improved, and the impact force born by the valve rod is reduced; the arranged reinforcing rod improves the bearing strength of the valve rod to the impact force; the valve rod is made of stainless steel, so that the overall strength is enhanced, and the valve rod has the advantage of corrosion resistance; the combination of the buffer layer and the reinforcing rod improves the overall service life of the valve rod; the arranged buffer ring reduces the impact force of the valve rod as a whole; the exhaust hole can release the pressure of the high pressure generated when the valve rod of the liquid suction valve moves, and limit the rubber cover, so that the valve rod is prevented from being influenced by the deformation generated in the contraction of the rubber cover; the arranged rubber cover contracts and expands along with the high pressure generated by the movement of the liquid suction valve rod to bear the generated high-pressure gas; the service life of the liquid suction valve is prolonged, and the production cost of enterprises is reduced.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic view of the valve stem structure of the present invention.
In the figure: 1-support, 2-valve seat, 3-valve rod, 4-limiting block, 5-spring, 6-protective cover, 7-sealing gasket, 8-exhaust hole, 9-rubber cover, 10-reinforcing rod, 11-buffer layer, 12-liquid suction valve sucker, 13-buffer ring, 14-fillet and 15-chute.
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.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Combine a high-pressure airless sprayer imbibition valve protection device shown in fig. 1-2, which comprises a bracket 1, be equipped with disk seat 2 in the support 1, be equipped with valve rod 3 in the middle of the disk seat 2, valve rod 3 upper end is equipped with stopper 4, be equipped with spring 5 around valve rod 3 between stopper 4 and the 2 upper ends of disk seat, the spring 5 outside is equipped with protective housing 6, protective housing 6 and 2 threaded connection of disk seat, be equipped with seal gasket 7 between protective housing 6 and the disk seat 2, protective housing 6 upper surface is equipped with a plurality of exhaust holes 8, protective housing 6 upper end is equipped with rubber boot 9, valve rod 3 lower extreme is equipped with stiffener 10, be equipped with buffer layer 11 between stiffener 10 and the valve rod 3, stiffener 10 keeps away from valve rod 3 one end and is equipped with imbibition valve sucking disc 12, 1 lower extreme of support is equipped with buffer ring 13, imbibition valve sucking disc 12 and buffer ring 13 phase-match.
The buffer layer 11 is of a semi-conical structure, so that the valve rod 3 can bear impact force, and the tensile force of the valve rod 3 is improved; the valve rod 3, the buffer layer 11 and the reinforcing rod 10 are all made of stainless steel and are integrated, so that the overall strength of the valve rod 3 is improved, and the corrosion resistance is provided for the valve rod 3; one end of the valve rod 3, which is far away from the buffer layer 11, is in threaded connection with the limiting block 4, so that the valve rod 3 is convenient to disassemble, replace and maintain; a fillet 14 is arranged between the reinforcing rod 10 and the liquid suction valve sucker 12, so that the fit between the liquid suction valve sucker 12 and the buffer ring 13 is improved, and mechanical friction is reduced; the inner surface of the upper end of the protective cover 6 is provided with a sliding groove 15, and the limiting block 4 is in sliding connection with the sliding groove 15 to limit the movement direction of the valve rod 3, so that the valve rod 3 is prevented from being bent due to dislocation in the movement process.
The working principle is as follows: the spray coating machine is arranged in a main valve body of the spray coating machine, when the spray coating machine works, an eccentric wheel rotates to drive a plunger to reciprocate, the plunger drives a swelling membrane to reciprocate, a liquid suction valve reciprocates under the drive of the swelling membrane, the pressure in the liquid suction valve body changes, spray coating liquid is sucked through a material suction pipe, the spray coating liquid moves from an outlet of the valve body to a spray gun nozzle for spray coating, when the spray coating liquid enters the main valve body, a protective cover 6 isolates the coating liquid, the valve rod 3 cannot deviate in direction during movement under the limit of a sliding groove 15, high pressure generated during movement of the valve rod 3 is released to a rubber cover 9 through an exhaust hole 8, and the rubber cover 9 contracts and expands along with the movement of the valve rod 3.
It will be evident to those skilled in the art that the utility model 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 utility model 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a high-pressure airless sprayer imbibition valve protection device which characterized in that: comprises a support (1), a valve seat (2) is arranged in the support (1), a valve rod (3) is arranged in the middle of the valve seat (2), a limit block (4) is arranged at the upper end of the valve rod (3), a spring (5) is arranged between the limit block (4) and the upper end of the valve seat (2) and surrounds the valve rod (3), a protective shell (6) is arranged on the outer side of the spring (5), the protective shell (6) is in threaded connection with the valve seat (2), a sealing gasket (7) is arranged between the protective shell (6) and the valve seat (2), a plurality of exhaust holes (8) are formed in the upper surface of the protective shell (6), a rubber cover (9) is arranged at the upper end of the protective shell (6), a reinforcing rod (10) is arranged at the lower end of the valve rod (3), a buffer layer (11) is arranged between the reinforcing rod (10) and the valve rod (3), and a liquid suction valve sucker (12) is arranged at one end, far away from the valve rod (3), of the reinforcing rod (10), the lower end of the support (1) is provided with a buffer ring (13), and the liquid suction valve sucker (12) is matched with the buffer ring (13).
2. The liquid suction valve protection device of the high-pressure airless sprayer is characterized in that the buffer layer (11) is of a semi-conical structure.
3. The protection device for the liquid suction valve of the high-pressure airless sprayer is characterized in that the valve rod (3), the buffer layer (11) and the reinforcing rod (10) are all made of stainless steel and are integrated.
4. The liquid suction valve protection device of the high-pressure airless sprayer according to claim 1, wherein one end, far away from the buffer layer (11), of the valve rod (3) is in threaded connection with the limiting block (4).
5. The protection device for the liquid suction valve of the high-pressure airless sprayer is characterized in that a fillet (14) is arranged between the reinforcing rod (10) and the liquid suction valve sucker (12).
6. The liquid suction valve protection device of the high-pressure airless sprayer according to claim 1, wherein a sliding groove (15) is formed in the inner surface of the upper end of the protective shell (6), and the limiting block (4) is connected with the sliding groove (15) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814684.0U CN216306726U (en) | 2021-08-05 | 2021-08-05 | Liquid suction valve protection device of high-pressure airless sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814684.0U CN216306726U (en) | 2021-08-05 | 2021-08-05 | Liquid suction valve protection device of high-pressure airless sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306726U true CN216306726U (en) | 2022-04-15 |
Family
ID=81086395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121814684.0U Active CN216306726U (en) | 2021-08-05 | 2021-08-05 | Liquid suction valve protection device of high-pressure airless sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306726U (en) |
-
2021
- 2021-08-05 CN CN202121814684.0U patent/CN216306726U/en active Active
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