CN210623588U

CN210623588U - High-pressure airless sprayer valve seat

Info

Publication number: CN210623588U
Application number: CN201921484000.8U
Authority: CN
Inventors: 雷林
Original assignee: Xingyu Cemented Carbide Tooling Co ltd
Current assignee: Xingyu Cemented Carbide Tooling Co ltd
Priority date: 2019-09-08
Filing date: 2019-09-08
Publication date: 2020-05-26
Anticipated expiration: 2029-09-08

Abstract

The utility model discloses a high-pressure airless sprayer disk seat, disk seat including valve body and valve body inner chamber clearance fit, spacing card has been seted up to valve body inner chamber bottom, the disk seat top is provided with ball valve and compression spring, arc laminating groove has been seted up at disk seat inner chamber top, and arc laminating groove up end and ball valve laminating, equal fixedly connected with connecting rod on four directions of disk seat up end, and four connecting rod up ends have all seted up the buckle, equal fixedly connected with connecting piece on four directions of disk seat down end face, and four connecting piece lower extreme face all seted up the thread groove, four the equal screw thread of thread groove inner chamber closes soon and is connected with the screw. The utility model discloses in, adopted supplementary fixed connection structure, the not hard up and problem of leaking of disk seat that causes when reducing mechanical motion has adopted ball valve stop gear to the condition of the striking damage of reduction ball valve and disk seat up end has been realized.

Description

High-pressure airless sprayer valve seat

Technical Field

The utility model relates to a flush coater accessory technical field especially relates to a high-pressure airless flush coater disk seat.

Background

The high-pressure airless spraying is a more advanced spraying method, the paint is increased to high pressure by adopting a booster pump and is sprayed out through a very thin spray hole to form fan-shaped fog, when a large plate is sprayed, the thick paint can be sprayed, and because air is not mixed in the paint and the transfer efficiency and the production efficiency of the paint are higher, a compact coating is formed on the wall and the metal surface, so that the quality of the airless spraying surface is obviously superior to that of the air spraying.

The existing high-pressure airless sprayer is widely applied when spraying paint, however, the existing high-pressure airless sprayer has some defects in the use process of a valve seat, firstly, the existing high-pressure airless sprayer valve seat is often an annular fitting, so that the valve seat is easy to loosen when a ball valve and the valve seat are separated in the sprayer, and the sealing effect during spraying is influenced; secondly, in the process that the ball valve is clamped into the valve seat again, the ball valve is easy to impact the upper end plane of the valve seat, and then the ball valve and the valve seat are easy to generate gaps to influence the sealing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the sealing effect is influenced by the looseness of a valve seat, the valve seat of the high-pressure airless sprayer is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-pressure airless sprayer disk seat, includes valve body and valve body inner chamber clearance fit's disk seat, spacing card has been seted up to valve body inner chamber bottom, the disk seat top is provided with ball valve and compression spring, arc laminating groove has been seted up at disk seat inner chamber top, and arc laminating groove up end and ball valve laminating, equal fixedly connected with connecting rod in four directions of disk seat up end, and four connecting rod up ends have all seted up the buckle, equal fixedly connected with connecting piece in four directions of disk seat down end face, and four connecting piece lower extreme face all seted up the thread groove, four the equal screw thread of thread groove inner chamber closes soon and is connected with the screw.

As a further description of the above technical solution:

the limiting clamp is of a circular ring-shaped structure, and the lower end face of the valve seat is attached to the upper end face of the limiting clamp.

As a further description of the above technical solution:

all be 90 contained angles between two adjacent of four connecting rods, ball valve and the one side sliding connection that four connecting rods are close to each other, four the great distance between two liang of in the buckle is less than the maximum diameter of ball valve.

As a further description of the above technical solution:

circular through-hole has been seted up to disk seat bottom center department, and circular through-hole top is linked together with arc laminating tank bottom to the lower terminal surface of disk seat is run through to circular through-hole bottom.

As a further description of the above technical solution:

four the connecting piece bottom all is provided with the backing plate, and four backing plates all seted up the through hole near valve body center pin one side, four the screw respectively with four through hole sliding connection, four backing plates contained angle between two liang all is 90, four the up end of backing plate all with the laminating of valve body lower extreme face.

As a further description of the above technical solution:

the valve seat side surface wall is close to the position of lower terminal surface and has been seted up the outer groove, and the inside cover in outer groove is equipped with the sealing washer, the laminating of sealing washer and valve body inner chamber corner.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the supplementary fixed connection structure has been adopted, owing to adopted the fixed connection between four connecting pieces and the disk seat, and the screw thread between four thread grooves and four screws closes soon and is connected, owing to adopted the laminating of terminal surface under four backing plates and the valve body again, and sliding connection between four through holes and four screws, the inside turn department of disk seat card at the valve body has been realized to four screws, simultaneously owing to adopted the joint between outer groove and the sealing washer, and the laminating of sealing washer and valve body inner chamber corner, it dies to have realized disk seat and valve body inner chamber fixing clip, the disk seat that causes when reducing mechanical motion is not hard up and the problem of leaking.

2. The utility model discloses in, adopted ball valve stop gear, owing to adopted four connecting rods and the sliding connection between the ball valve to and the intermittent type between two relative buckles is less than the maximum diameter of ball valve, realized that the ball valve slides at four connecting rod inner chambers all the time, displacement about when reducing the ball valve up-and-down motion, thereby realized the circumstances of the striking damage of reduction ball valve and disk seat up end.

Drawings

Fig. 1 shows a schematic front view internal structure diagram provided according to an embodiment of the present invention;

fig. 2 shows an enlarged schematic view of a structure at a provided according to an embodiment of the present invention;

fig. 3 shows an enlarged schematic diagram of a structure at B provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a valve body; 2. a compression spring; 3. buckling; 4. a connecting rod; 5. a ball valve; 6. a valve seat; 7. a seal ring; 8. a limiting card; 9. a base plate; 10. a thread groove; 11. a screw; 12. a connecting member; 13. an outer tank; 14. a circular through hole; 15. an arc-shaped fitting groove; 16. a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a valve seat of a high-pressure airless sprayer comprises a valve body 1 and a valve seat 6 in clearance fit with the inner cavity of the valve body 1, wherein the bottom of the inner cavity of the valve body 1 is provided with a limit clamp 8, the top of the valve seat 6 is provided with a ball valve 5 and a compression spring 2, the top of the inner cavity of the valve seat 6 is provided with an arc-shaped fitting groove 15, the upper end surface of the arc-shaped fitting groove 15 is fitted with the ball valve 5, the upper end surface of the valve seat 6 is fixedly connected with the connecting rods 4 in four directions, the upper end surfaces of the four connecting rods 4 are all provided with buckles 3, the lower end surface of the valve seat 6 is fixedly connected with connecting pieces 12 in four directions, the lower end surfaces of the four connecting pieces 12 are all provided with thread grooves 10, the inner cavities of the four thread grooves 10 are all connected with screws 11 in a threaded manner, wherein the connecting rod 4 has a certain elasticity to facilitate the installation of the ball valve 5, wherein the fixed connection described herein can be realized by an integrally formed connection or a welded fixed connection.

Specifically, as shown in fig. 1, the limiting clamp 8 is of a circular ring structure, and the lower end face of the valve seat 6 is attached to the upper end face of the limiting clamp 8, so that the bottom of the valve seat 6 is fixed on the valve body 1.

Specifically, as shown in fig. 1, two adjacent connecting rods 4 all form an included angle of 90 degrees, the ball valve 5 is slidably connected with one side of the four connecting rods 4 close to each other, and the distance between every two large distances among the four buckles 3 is smaller than the maximum diameter of the ball valve 5, so that the ball valve 5 is clamped among the four connecting rods 4, and the deflection problem of the ball valve 5 is reduced.

Specifically, as shown in fig. 1 and 2, a circular through hole 14 is formed in the center of the bottom of the valve seat 6, the top of the circular through hole 14 is communicated with the bottom of the arc-shaped fitting groove 15, and the bottom of the circular through hole 14 penetrates through the lower end face of the valve seat 6, so that paint flows into the ball valve 5 through the circular through hole 14 and the arc-shaped fitting groove 15 when the ball valve is separated from the valve seat 6.

Specifically, as shown in fig. 1 and 3, the bottom of each of the four connecting pieces 12 is provided with a base plate 9, a through hole 16 is formed in one side, close to the central axis of the valve body 1, of each of the four base plates 9, the four screws 11 are slidably connected with the four through holes 16 respectively, included angles between every two base plates 9 are 90 degrees, and the upper end faces of the four base plates 9 are attached to the lower end face of the valve body 1, so that the valve seat 6 is clamped in the inner cavity of the valve body 1 through the four screws 11.

Specifically, as shown in fig. 1 and 2, an outer groove 13 is formed in a position, close to the lower end face, of the side surface wall of the valve seat 6, a sealing ring 7 is sleeved inside the outer groove 13, and the sealing ring 7 is attached to a corner of an inner cavity of the valve body 1 so as to reduce the problem of gap leakage between the valve seat 6 and the valve body 1.

The working principle is as follows: when the valve is used, firstly, the valve seat 6 is clamped at the inner turning position of the valve body 1 by the four screws 11, and then the valve seat 6 is clamped at the inner turning position of the valve body 1 by the clamping between the outer groove 13 and the sealing ring 7 and the laminating between the sealing ring 7 and the corner of the inner cavity of the valve body 1 by the fixed connection between the four connecting pieces 12 and the valve seat 6, the screw thread screwing connection between the four thread grooves 10 and the four screws 11, the laminating between the four backing plates 9 and the lower end surface of the valve body 1 and the sliding connection between the four through holes 16 and the four screws 11, so that the valve seat 6 and the inner cavity of the valve body 1 are fixedly clamped, and the problems of looseness and leakage of the valve; secondly, through the sliding connection between four connecting rods 4 and the ball valve 5 to and the interval between two relative buckles 3 is less than the maximum diameter of ball valve 5, make ball valve 5 slide in four connecting rods 4 inner chambers all the time, with the left and right displacement when reducing ball valve 5 up-and-down motion, thereby reduced the condition of the impact damage of ball valve 5 and disk seat 6 up end.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A valve seat of a high-pressure airless sprayer, which comprises a valve body (1) and a valve seat (6) in clearance fit with the inner cavity of the valve body (1), the bottom of the inner cavity of the valve body (1) is provided with a limit clamp (8), the top of the valve seat (6) is provided with a ball valve (5) and a compression spring (2), it is characterized in that the top of the inner cavity of the valve seat (6) is provided with an arc-shaped fitting groove (15), the upper end surface of the arc-shaped fitting groove (15) is fitted with the ball valve (5), the upper end surface of the valve seat (6) is fixedly connected with connecting rods (4) in four directions, the upper end surfaces of the four connecting rods (4) are all provided with buckles (3), the lower end surface of the valve seat (6) is fixedly connected with connecting pieces (12) in four directions, and the lower end faces of the four connecting pieces (12) are provided with thread grooves (10), and the inner cavities of the four thread grooves (10) are connected with screws (11) in a threaded manner.

2. The valve seat of the high-pressure airless sprayer according to claim 1, wherein the limiting clamp (8) is of a circular ring structure, and the lower end face of the valve seat (6) is attached to the upper end face of the limiting clamp (8).

3. The valve seat of the high-pressure airless sprayer according to claim 1, wherein two adjacent four connecting rods (4) form an included angle of 90 degrees, the ball valve (5) is slidably connected with one side of the four connecting rods (4) close to each other, and the distance between every two of the four buckles (3) with the larger distance is smaller than the maximum diameter of the ball valve (5).

4. The valve seat of the high-pressure airless sprayer according to claim 1, wherein a circular through hole (14) is formed in the center of the bottom of the valve seat (6), the top of the circular through hole (14) is communicated with the bottom of the arc-shaped fitting groove (15), and the bottom of the circular through hole (14) penetrates through the lower end face of the valve seat (6).

5. The valve seat of the high-pressure airless sprayer according to claim 1, wherein the four connecting pieces (12) are provided with backing plates (9) at the bottoms, through holes (16) are formed in one sides of the four backing plates (9) close to the central axis of the valve body (1), the four screws (11) are respectively connected with the four through holes (16) in a sliding manner, included angles between every two of the four backing plates (9) are 90 degrees, and the upper end surfaces of the four backing plates (9) are attached to the lower end surface of the valve body (1).

6. The high-pressure airless sprayer valve seat according to claim 1, wherein an outer groove (13) is formed in the portion, close to the lower end face, of the side surface wall of the valve seat (6), a sealing ring (7) is sleeved inside the outer groove (13), and the sealing ring (7) is attached to a corner of an inner cavity of the valve body (1).