CN2555106Y - Spray gun - Google Patents

Abstract

The utility model relates to a spray gun with a switch valve, and comprises a diffusion cover, a pressure suction pump, a check valve, a suction pipe and a casing; the utility model is characterized in that the front part of the casing is fixed with a column-shaped switch valve, the diffusion cover which is sleeved outside the switch valve is fastened at the front of the casing to rotate around a rotary shaft; the outer diameter of the switch valve is glidingly matched with the inner diameter of the diffusion cover, the front half section of the outer column surface of the switch valve is provided with a slot extending to the front end surface, and the back half section of the inner column surface of the diffusion cover is provided with a slot extending to the back end surface; when the slot on the switch valve is opposite to the slot on the diffusion cover, the two slots are communicated.

Description

Spray gun

Technical field

The utility model relates to a kind of spray gun, particularly a kind of spray gun of belt switch valve.

Background technology

The existing sprayer that is used for atomizing of liquids is made up of diffuser cap, combined suction and force pump, check valve, suction pipe and housing etc.; Housing is a member of establishing right angle channel in one, housing horizontal channel opening part is equipped with diffuser cap, is with principal post in the under shed of housing vertical channel, is placed with steel ball between principal post and housing, principal post axially has the through hole of aperture less than the steel ball external diameter, makes the through hole on steel ball and the principal post constitute check valve; Having the hole on the overcoat right angle channel between diffuser cap and check valve communicates with combined suction and force pump; A piston and a spanner in the combined suction and force pump link, wrench one end with put the axis of a cylinder that is provided with outward and be connected; Wherein the inlet and the suction pipe of principal post below join, and the other end of suction pipe---suction inlet stretches into the bottom of the bottle that fills liquid, to guarantee that sprayer can all spray the liquid in the bottle as far as possible; This sprayer do not have a safety device, when adorn in the bottle be corrosive liquids the time, if pushed spanner because of carelessness, liquid will spray in the bottle, thereby causes danger or waste.

Summary of the invention

In order to solve the security protection problem that exists in the existing spray gun, the utility model proposes a kind of spray gun, it has safety device, when not opening this safety device, even when pushing spanner in the bottle liquid can not spray yet.

Technical scheme:

A kind of spray gun comprises diffuser cap, combined suction and force pump, check valve, suction pipe and housing; Housing is a member of establishing right angle channel in one, the built-in tubulose subpost of the horizontal component in the housing right angle channel, and the internal diameter matched in clearance of the horizontal component in this subpost external diameter and the right angle channel is overlapped the post that blocks water in the subpost, and block water post external diameter and subpost internal diameter are slidingly matched; It is characterized in that being fixed with the cylindricality switch valve in the housing front portion, being socketed in the outer diffuser cap of switch valve, to snap onto housing anterior and can rotate around the axis, switch valve external diameter and diffuser cap internal diameter slide and match, the switch valve outer cylinder has the groove that extends to front end face for preceding half section, the diffuser cap inner cylinder second half section has the groove that extends to rear end face, and two grooves communicate when the groove on the switch valve is relative with groove on the diffuser cap.

Beneficial effect:

Owing to adopted technical scheme described in the utility model, when not using spray gun diffuser cap being rotated an angle misplaces groove and the groove on the switch valve on the diffuser cap, two grooves can not communicate, thereby spray gun cuts out, both prevented misoperation and with the waste that liquid ejection in the bottle causes, the bottle that has prevented to be equipped with corrosive liquids again ejection and danger of causing when misoperation.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the internal structure schematic diagram of spray gun described in the utility model.

Fig. 2 is the zoomed-in view of A part among Fig. 1.

Among the figure 1, protective cover, 2, housing, 3, diffuser cap, 31, groove, 4, switch valve, 41, groove, 5, the post that blocks water, 6, subpost, 7, spanner, 8, piston, 9, spring, 10, steel ball, 11, principal post, 12, locking closure, 13, suction pipe.

The specific embodiment:

In conjunction with Fig. 1 and Fig. 2 as seen, described spray gun comprises diffuser cap 3, combined suction and force pump, check valve, suction pipe 13 and housing 2; Housing 2 is a member of establishing right angle channel in one, and wherein combined suction and force pump is made of a part and piston 8, spring 9, the spanner 7 of housing 1; The vertical channel of housing 2 and principal post 11 and steel ball 10 constitute check valve; The built-in tubulose subpost 6 of horizontal component in housing 2 right angle channel, the internal diameter matched in clearance of the horizontal component in subpost 6 external diameters and the right angle channel is overlapped the post 5 that blocks water in the subpost 6, and block water post 5 external diameters and subpost 6 internal diameters are slidingly matched; Be fixed with cylindricality switch valve 4 in housing 2 front portions, being socketed in the outer diffuser cap 3 of switch valve 4, to snap onto housing 2 anterior and can rotate around the axis, switch valve 4 external diameters and diffuser cap 3 internal diameters slide and match, switch valve 4 outer cylinders have the groove 41 that extends to front end face for preceding half section, the 3 inner cylinder second half sections of diffuser cap have the groove 31 that extends to rear end face, two grooves communicated when rotation diffuser cap 3 made the groove 31 on groove 41 and the diffuser cap 3 on the switch valve 4 relative, at this moment as pushing spanner 7, make combined suction and force pump work, the liquid that sucks through suction pipe 13 will be sent to the rear portion of diffuser cap 3 through the right angle channel in the housing 2, enter groove 41 by groove 31 and outwards spray from the opening part of diffuser cap 3.

Claims (1)

1, a kind of spray gun comprises diffuser cap, combined suction and force pump, check valve, suction pipe and housing; Housing is a member of establishing right angle channel in one, the built-in tubulose subpost of the horizontal component in the housing right angle channel, and the internal diameter matched in clearance of the horizontal component in this subpost external diameter and the right angle channel is overlapped the post that blocks water in the subpost, and block water post external diameter and subpost internal diameter are slidingly matched; It is characterized in that being fixed with cylindricality switch valve (4) in housing (2) front portion, being socketed in the outer diffuser cap (3) of switch valve (4), to snap onto housing (2) anterior and can rotate around the axis, switch valve (4) external diameter and diffuser cap (3) internal diameter slide and match, switch valve (4) outer cylinder has the groove (41) that extends to front end face for preceding half section, diffuser cap (3) the inner cylinder second half section has the groove (31) that extends to rear end face, and two grooves communicate when the groove (41) on the switch valve (4) is relative with groove (31) on the diffuser cap (3).