CN106824605B - Anti-misoperation self-locking device of hand-held compression sprayer switch - Google Patents

Abstract

Hand-held type compression atomizer switch prevent mistake and press self-lock device, including liquid bottle and bottle lid, set up the inflating pump under the bottle lid, during the inflating pump inserts the liquid bottle, the spray gun is connected to the front side of bottle lid, and the head of spray gun sets up the shower nozzle, and the handle is connected to the rear side of bottle lid, sets up switch clamp plate, its characterized in that on the handle: the switch pressing plate in open and to have the spout, system has the baffle on spout one side, sets up the hasp on the switch pressing plate, the system has draw runner and separation blade under the hasp, form the spring groove between draw runner and the separation blade, set up the spring in the spring groove, the system has the back-off under the draw runner, set up the tongue under the switch pressing plate, it has the jack to open in the tongue, the back that the back-off passed spout and jack and tongue is mutually chucking with the tongue, the system has the couple under the tongue, the system has the limiting plate on the handle, open in the limiting plate has the couple hole, the couple cooperatees with the upper end or the couple hole of limiting plate.

Description

Anti-misoperation self-locking device of hand-held compression sprayer switch

Technical Field

The invention relates to a hand-held compression sprayer, in particular to an anti-misoperation self-locking device of a switch of the hand-held compression sprayer.

Background

The hand-held compressed sprayer is a common household or gardening sprayer, and consists of an inflating pump and a liquid bottle, wherein the inflating pump inflates and pressurizes the liquid bottle to force the liquid in the liquid bottle to be sprayed out from a spray head. The hand-held type compression atomizer commonly used uses the opening and closing of press switch clamp plate control valve usually, convenient and practical, but this kind of structure has the potential safety hazard, will produce the switch and open by mistake when the unexpected effect of hand or other external forces is on the switch clamp plate. Therefore, the applicant has applied for chinese invention patent 201610705058.5 with the patent name "safety self-locking device for hand-held compressed sprayer switch", which is mainly characterized in that a self-locking elastic sheet is arranged on a handle, the lower part of the self-locking elastic sheet is connected with the handle, a hook is arranged on the upper part of the self-locking elastic sheet, a through hole is arranged on a switch pressing plate, the self-locking elastic sheet passes through the through hole and clamps the switch pressing plate by the hook, thereby preventing the switch pressing plate from being opened by mistake, but the invention has the following disadvantages: because the auto-lock shell fragment is in order to make it have certain elasticity, therefore the wall thickness is thinner, when people's mistake pressed the switch clamp plate, if the little big point of exerting oneself, the holding power of auto-lock shell fragment is not enough to support the switch clamp plate, then can lead to the auto-lock shell fragment to take place to warp, and makes liquid still erupt, therefore this structure still has certain potential safety hazard.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the anti-misoperation self-locking device of the handheld compression sprayer switch, which can keep the switch pressing plate in a normally open state when in use, can carry out limit support on the switch pressing plate when not in use, has strong supporting force and prevents the generation of misoperation.

The technical scheme of the anti-misoperation self-locking device of the hand-held compression sprayer switch is as follows: including liquid bottle and bottle lid, set up the inflating pump under the bottle lid, during the inflating pump inserts the liquid bottle, the spray gun is connected to the front side of bottle lid, and the head of spray gun sets up the shower nozzle, and the handle is connected to the rear side of bottle lid, sets up switch board, its characterized in that on the handle: the switch pressing plate in open and to have the spout, system has the baffle on spout one side, sets up the hasp on the switch pressing plate, the system has draw runner and separation blade under the hasp, form the spring groove between draw runner and the separation blade, set up the spring in the spring groove, the system has the back-off under the draw runner, set up the tongue under the switch pressing plate, it has the jack to open in the tongue, the back that the back-off passed spout and jack and tongue is mutually chucking with the tongue, the system has the couple under the tongue, the system has the limiting plate on the handle, open in the limiting plate has the couple hole, the couple cooperatees with the upper end or the couple hole of limiting plate.

The invention discloses a false-pressure-preventing self-locking device of a handheld compression sprayer switch, when spraying is required, a lock catch is pushed backwards by pointing with a hand, a blocking piece of the lock catch backwards extrudes a spring, the lock catch drives a sliding tongue to move backwards through an inverted buckle, a hook on the sliding tongue moves backwards, a limiting plate cannot block the hook at the moment, a switch pressing plate can be pressed downwards by a finger, a sprayer head of the sprayer is opened, and spraying can be carried out; after the finger loosens the lock catch, the lock catch is pushed to move forwards under the action of the restoring force of the spring, the reverse buckle of the lock catch drives the sliding tongue to move forwards, the hook of the sliding tongue is clamped into the hook hole of the limiting plate forwards, the hook is clamped by the hook hole, even if the finger is loosened, the switch pressing plate can be kept in a pressing-down state all the time, and at the moment, the spray head of the sprayer is in a normally open state; if not spraying, stir the hasp backward again with the finger, the hasp drives the couple of tongue that slides backward through the back-off and deviates from the couple hole, makes the switch clamp plate upwards reset, loosens the finger again, and the spring promotes the hasp forward under the restoring force effect, and the hasp drives the couple of tongue through the back-off and moves forward, and the couple is in the top of limiting plate this moment, even take place to press by mistake, the upper end of limiting plate plays limiting displacement to the couple, makes couple and tongue can't push down, and the switch clamp plate who is connected with the tongue also can't push down, plays and prevents mistake and press the effect. This scheme hand-held type compression atomizer switch prevent mistake and press from locking device, top through at the switch clamp plate sets up the hasp, the below of switch clamp plate sets up the tongue, the hasp passes the switch clamp plate through the back-off and is connected with the tongue, drive the couple back-and-forth movement through the finger, recycle the couple and the upper end cooperation of limiting plate, play the spacing effect of switch clamp plate, and the couple hole cooperation of couple and limiting plate, play the effect that the atomizer shower nozzle is normally opened, the function is many, high durability and convenient operation, limiting plate and couple all are rigid plastic injection moulding, the wall is thick, strong support force, consequently, can not take place easily and warp, thereby guarantee safe in utilization.

The invention relates to an anti-misoperation self-locking device of a handheld compression sprayer switch, wherein a retaining rib is arranged on a hook. The stopping rib is arranged, when the hook is clamped into the hook hole, the convex stopping rib hooks the limiting plate, and the hook is prevented from being separated from the hook hole.

Drawings

FIG. 1 is a schematic view of a structure of a hand-held type compression sprayer switch with a hook and a hook hole matching state of an anti-misoperation self-locking device;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view showing a state in which a hook of the anti-mispressing self-locking device of the hand-held compression sprayer switch is disengaged from a hook hole;

FIG. 4 is a perspective view of the latch, spring, switch plate, and tongue in an exploded state;

FIG. 5 is a perspective view of the switch pressing plate in cooperation with the latch and the tongue;

fig. 6 is a rear perspective view of the latch.

Detailed Description

The invention relates to a hand-held type compression sprayer switch anti-misoperation self-locking device, as shown in figures 1-6, comprising a liquid bottle 1 and a bottle cap 2, wherein an inflating pump 3 is arranged under the bottle cap, the inflating pump is inserted into the liquid bottle, the front side of the bottle cap is connected with a spray gun 4, the head of the spray gun is provided with a spray head 5, the rear side of the bottle cap is connected with a handle 6, and the handle is provided with a switch pressing plate 7, which is characterized in that: the switch pressing plate 7 is provided with a sliding groove 9 in the middle, one side of the sliding groove is provided with a baffle plate 10, the switch pressing plate is provided with a lock catch 11, a sliding strip 12 and a blocking plate 13 are arranged below the lock catch, a spring groove 14 is formed between the sliding strip and the blocking plate, a spring 15 is arranged in the spring groove, an inverted buckle 16 is arranged below the sliding strip, a sliding tongue 17 is arranged below the switch pressing plate 8, a jack 18 is arranged in the sliding tongue, the inverted buckle penetrates through the sliding groove 9 and the jack 18 to be tightly clamped with the back of the sliding tongue 17, a hook 19 is arranged below the sliding tongue, a limiting plate 20 is arranged on the handle 6, a hook hole 21 is arranged in the limiting plate, and the hook is matched with the upper end of the limiting plate or the hook hole. When spraying is needed, the lock catch 11 is pulled backwards by a finger, the blocking piece 13 of the lock catch extrudes the spring 15 backwards, the lock catch drives the sliding tongue 17 to move backwards through the back-off 16, so that the hook 19 on the sliding tongue moves backwards, at the moment, the limiting plate 20 cannot block the hook 19, the switch pressing plate 7 can be pressed downwards by the finger, the spray head 5 of the sprayer is opened, and spraying can be conducted; after the finger loosens the lock catch 11, the lock catch is pushed to move forward under the action of the restoring force of the spring 15, the reverse buckle 16 of the lock catch drives the sliding tongue 17 to move forward, the hook 19 of the sliding tongue is clamped into the hook hole 21 of the limiting plate 20 forward, the hook is clamped by the hook hole, even if the finger is loosened, the switch pressing plate 7 can be kept in a downward pressing state all the time, and at the moment, the spray head 5 of the sprayer is in a normally open state; if the spraying is not carried out, the lock catch 11 is shifted backwards by the fingers again, the lock catch drives the hook 19 of the sliding tongue 17 to be separated from the hook hole 21 backwards through the inverse buckle 16, the switch pressing plate 7 is reset upwards, then the fingers are loosened, the spring 15 pushes the lock catch 11 forwards under the action of restoring force, the lock catch drives the hook 19 of the sliding tongue 17 to move forwards through the inverse buckle 16, the hook is located above the limiting plate 20 at the moment, even if the mistaken pressing occurs, the upper end of the limiting plate plays a limiting role in limiting the hook 19, the hook and the sliding tongue 17 cannot be pressed downwards, the switch pressing plate 7 connected with the sliding tongue cannot be pressed downwards, and the mistaken pressing prevention effect is achieved. This scheme hand-held type compression atomizer switch prevent mistake and press from locking device, top through at switch clamp plate 7 sets up hasp 11, switch clamp plate's below sets up tongue 17, the hasp passes switch clamp plate 7 through back-off 16 and is connected with tongue 17, drive 19 back-and-forth movements of couple through the finger, recycle couple and limiting plate 20's upper end cooperation, play 7 spacing effects to switch clamp plate, and the couple hole 21 cooperation of couple and limiting plate, play the effect that atomizer shower nozzle 5 normally opened, the function is many, high durability and convenient operation, and limiting plate and couple all are stereoplasm plastics injection moulding, the wall is thick, the holding power is strong, consequently can not take place to warp easily, thereby guarantee safe in utilization. The hook 19 is provided with a retaining rib 22. The retaining rib 22 is provided, when the hook 19 is clamped into the hook hole 21, the protruding retaining rib hooks the limiting plate 20 to prevent the hook 19 from falling out of the hook hole 21.

Claims (2)

1. Hand-held type compression atomizer switch prevent mistake and press self-locking device, including liquid bottle (1) and bottle lid (2), set up inflating pump (3) under the bottle lid, during the inflating pump inserts the liquid bottle, spray gun (4) are connected to the front side of bottle lid, and the head of spray gun sets up shower nozzle (5), and handle (6) are connected to the rear side of bottle lid, set up on the handle and switch clamp plate (7), its characterized in that: switch clamp plate (7) in open and to have spout (9), system has baffle (10) on spout one side, set up hasp (11) on the switch clamp plate, system has draw runner (12) and separation blade (13) under the hasp, form spring groove (14) between draw runner and the separation blade, set up spring (15) in the spring groove, system has back-off (16) under the draw runner, set up tongue (17) under switch clamp plate (7), it has jack (18) to open in the tongue, the back that the back-off passed spout (9) and jack (18) and tongue (17) is chucking mutually, system has couple (19) under the tongue, system has limiting plate (20) on handle (6), it has couple hole (21) to open in the limiting plate, the couple cooperatees with the upper end or the couple hole of limiting plate.

2. The self-locking device for preventing erroneous pressing of a switch of a hand-held compression sprayer as claimed in claim 1, wherein: the hook (19) is provided with a backstop rib (22).

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