CN205534201U - Seal structure of hand -held aerosol dispenser shower nozzle - Google Patents

Abstract

The utility model provides a seal structure of hand -held aerosol dispenser shower nozzle belongs to atomizer technical field. It has solved the poor problem of shower nozzle leakproofness among the prior art. This hand -held aerosol dispenser shower nozzle includes shower nozzle body and nozzle, and the right -hand member of nozzle can be dismantled with the left end of shower nozzle body and be connected, and seal structure includes seal cover and sealing washer no. 1, and the lateral surface of seal cover supports by on the medial surface at shower nozzle body left end, has the space between the terminal surface of shower nozzle body left end and the nozzle, and sealing washer no. 1 is established in the space, and sealing washer no. 1 is tightly laminated to form with the lateral surface of seal cover right -hand member and is sealed up. This seal structure leakproofness is good, simple to operate.

Description

A kind of sealing structure of hand-held atomizer shower nozzle

Technical field

This utility model belongs to aerosol apparatus technical field, relates to the close of a kind of hand-held atomizer shower nozzle Seal structure.

Background technology

Hand-held atomizer is a kind of common domestic sprayer, is widely used in agricultural, woods The deinsectization of the various crop such as industry, accelerate the ripening, apply fertilizer, or the medicine of the occasion such as hotel, restaurant, family Daily-use chemical industry in health epidemic prevention, and daily life, detergent, cosmetics, beauty treatment U.S. Send out etc. industry.

Existing aerosol apparatus is mainly made up of kettle body, air pump assembly and spray module.Its operation principle Be: user by air pump assembly to staving internal pressurization, when in bucket, pressure reaches certain value, Pressing spraying button, now spray module is by water sucking-off in staving, sprays via the nozzle of aerosol apparatus Go out；When the force value of pressurization exceedes the pretightning force of described relief valve, relief valve will automatically open up Described staving inner space and extraneous interface channel, release the gas in staving with release.Example As Chinese patent one hand-held atomizer [application number: 201520108752.X] discloses following skill Art scheme: hand-held atomizer, including kettle body, air pump assembly and spray module；Described kettle body bag Including pot lid and staving two parts, described upper pot lid includes Handheld Division, spraying button, water spray chamber And relief valve, and on this, pot lid offers a through hole along the short transverse of watering can, fixed in order to combine The described air pump assembly in position, described water spray chamber houses described spray module；Described spray module includes Nozzle, suction pipe and valve body；Described nozzle connects described water spray chamber；The upper end connection of described suction pipe Described water spray chamber, lower end connects described staving；Described valve body is located in described water spray chamber, valve The upper end of the corresponding described suction pipe in the lower end of body is arranged, to open or to close the upper end of described suction pipe；Institute State spraying button to be arranged in described upper pot lid along the length direction of described nozzle；Described spraying button Front end be connected with the upper end of described valve body, the middle part of spraying button has a hole, location, this hole, location Mutually sheathed with described through hole, the rear end of spraying button is then as pressing by portion；Wherein, described water spray is pressed The front end of button and middle part are located at inside described upper pot lid, and the rear end of spraying button is located at outside pot lid； It is provided with a spring being vertically arranged between rear and described upper pot lid in the middle part of described spraying button.On Stating in scheme, nozzle directly connects with upper pot lid, and sealing effectiveness is poor, is using the spray of this hand-held During day with fog, the pressure indoor due to spray chamber is relatively big, the medicinal liquid in water spray chamber easily from nozzle and The junction of upper pot lid is overflowed, and causes liquid waste.

Summary of the invention

There are the problems referred to above for existing technology in this utility model, it is proposed that a kind of hand-held spraying Device, it is to be solved technical problem is that: how to improve the sealing of hand-held atomizer shower nozzle.

This utility model is realized by following technical proposal: a kind of hand-held atomizer shower nozzle close Seal structure, hand-held atomizer shower nozzle includes head body and nozzle, the right-hand member of described nozzle and institute The left end stating head body removably connects, it is characterised in that described sealing structure includes sealing shroud With sealing ring one, the lateral surface of described sealing shroud is resisted against on the medial surface of head body left end, institute Stating and have space between end face and the nozzle of head body left end, described sealing ring one is located at described sky In gap, the lateral surface of described sealing ring one and described sealing shroud right-hand member is tightly fitted to be formed and is sealed.

Head body of the present utility model and nozzle are by removably connecting so that nozzle right-hand member interior Side leans with the lateral surface of head body left end, therefore can realize fast assembling-disassembling, at shower nozzle Sealing ring one is set in the gap between body left end end face and nozzle, then by sealing shroud by close Seal one is pressed in space so that the sealing between head body and nozzle is greatly improved, and Dismounting is simple, convenient.

In the sealing structure of above-mentioned a kind of hand-held atomizer shower nozzle, described sealing shroud left end is received Contracting forms a choke, and described choke has the through hole that can connect head body and nozzle, Described nozzle includes spraying water end and connecting end, the medial wall of described water spray end and the medial wall of connection end Between there is step surface, the lateral surface of described sealing shroud fits tightly with described step surface.By setting Put step surface, change the sealed pathway between sealing shroud and nozzle, and by the lateral surface of sealing shroud Fit tightly with step surface, improve sealing.

In the sealing structure of above-mentioned a kind of hand-held atomizer shower nozzle, described sealing shroud right-hand member Offering cannelure one on lateral surface, the cell wall of described cannelure one fits with sealing ring one.Logical Crossing and offer cannelure one, sealing ring one can be partially submerged in cannelure one, is sealing shroud and sealing The position of circle one is more stable, ensures good sealing between the two.

In the sealing structure of above-mentioned a kind of hand-held atomizer shower nozzle, described sealing structure is also wrapped Including spool, spring and back-up ring, described back-up ring is located in head body, and the right-hand member of described spool passes Described back-up ring is arranged in head body, the two ends of described spring respectively with spool left end and back-up ring phase Even, described spool left end inserts described sealing shroud and is resisted against sealing under the effect of described spring Described through hole is sealed on the inwall of set.Make the left end of spool in spring-return power by arranging spring The water on sealing shroud inwall, so not using spraying when, in head body it is pressed under effect Will not overflow, better tightness.

In the sealing structure of above-mentioned a kind of hand-held atomizer shower nozzle, described head body is opened It is provided with the gathering sill for playing guide effect when being arranged in head body by spool right-hand member, institute Sealing ring two it is provided with in stating gathering sill.By offering gathering sill, guide when facilitating spool right-hand member to install, And sealing ring two is set in gathering sill, increases the sealing between spool right-hand member and head body.

In the sealing structure of above-mentioned a kind of hand-held atomizer shower nozzle, described spool left end is circle Mesa-shaped, the side of round platform offers cannelure two, is provided with sealing ring three in described cannelure two, Described sealing ring three fits tightly with the medial surface of sealing shroud.By offering groove also at spool left end Sealing ring three is set, improves the sealing between spool and sealing shroud.

In the sealing structure of above-mentioned a kind of hand-held atomizer shower nozzle, the inner side of described connection end There is on wall female thread, the lateral wall of the left end of described head body has external screw thread, described interior Screw thread matches with external screw thread.Coordinated by female thread and external screw thread and can realize fast assembling-disassembling, this In the way of using clamping, groove can be set at nozzle inner wall, in the outside of head body outward Wall arranges projection, realizes nozzle be connected with head body by projection snaps in groove.

Compared with prior art, this utility model has the advantage that 1, by nozzle and shower nozzle Sealing ring one is set between body, improves head body and the sealing of nozzle junction, prevent liquid Body overflows；2, it is resisted against on sealing ring one by arranging sealing shroud so that the position of sealing ring one is more Stable, it is ensured that good sealing；3, by offering cannelure two on sealing shroud, sealing is made Overlap more stable with the position of sealing ring one, improve sealing effectiveness.

Accompanying drawing explanation

Fig. 1 is the sectional view of the sealing structure of hand-held atomizer shower nozzle in the present embodiment.

Fig. 2 is enlarged drawing at A in Fig. 1.

Fig. 3 is the structure chart of sealing shroud in the present embodiment.

In figure, 1, head body；1a, gathering sill；1b, external screw thread；2, nozzle；2a, interior Screw thread；2b, water spray end；2c, connection end；2d, step surface；3, sealing shroud；3a, choke； 3b, through hole；3c, cannelure one；4, sealing ring one；5, spool；6, spring；7, back-up ring； 8, sealing ring two；9, cannelure two；10, sealing ring three.

Detailed description of the invention

The following is specific embodiment of the utility model, and combine accompanying drawing to technology of the present utility model Scheme is further described, but this utility model is not limited to these embodiments.

As depicted in figs. 1 and 2, nozzle 2 connects and has female thread 2a on the medial wall of end 2c, There is on the lateral wall of the left end of head body 1 external screw thread 1b, female thread 2a and external screw thread 1b phase Coordinate, additionally in the way of using clamping, groove can be set in nozzle 2 medial wall, at shower nozzle originally The lateral wall of body 1 arranges projection, realizes nozzle 2 and head body 1 by projection snaps in groove Connect.Sealing structure and include sealing shroud 3 and sealing ring 1, the lateral surface of sealing shroud 3 is resisted against On the medial surface of head body 1 left end, have between end face and the nozzle 2 of head body 1 left end Space, sealing ring 1 is located in space, and sealing ring 1 is tight with the lateral surface of sealing shroud 3 right-hand member It is close to close formed and seals.Concrete, nozzle 2 includes spraying water end 2b and connecting end 2c, described spray Between medial wall and the medial wall connecting end 2c of water end (W.E.) 2b, there is step surface 2d, sealing shroud 3 Lateral surface fits tightly with step surface 2d；Sealing shroud 3 right-hand member is resisted against in the left end of head body 1 On sidewall, the lateral surface of sealing shroud 3 right-hand member together with sealing ring 1 tight abutment, sealing shroud 3 left ends shrink and form a choke 3a, choke 3a has and can connect head body 1 With the through hole 3b of nozzle 2, the lateral surface of sealing shroud 3 is resisted against on the medial surface of nozzle 2.

Additionally, seal structure also include spool 5, spring 6 and back-up ring 7, back-up ring 7 is located at shower nozzle originally In body 1, the right-hand member of spool 5 is arranged in head body 1 through back-up ring 7, the two ends of spring 6 Being connected with spool 5 left end and back-up ring 7 respectively, spool 5 left end inserts sealing shroud 3 and at spring It is resisted against under the effect of 6 on the inwall of sealing shroud 3 and seals through hole 3b.Valve is made by arranging spring 6 The left end of core 5 is pressed on sealing shroud 3 inwall under the effect of spring 6 restoring force, does not so make The when of with spraying, the water in head body 1 will not overflow, better tightness.Need explanation It is that spool 5 left end is round table-like, the side of round platform offers cannelure 29, cannelure 29 Inside being provided with sealing ring 3 10, sealing ring 3 10 fits tightly with the medial surface of sealing shroud 3.So, Spool 5 can and sealing shroud 3 between form good sealing, it is possible to have when not using aerosol apparatus Effect prevents liquid from overflowing from spool 5 left end.

In order to increase sealing effectiveness further, head body 1 offers for by spool 5 Right-hand member plays the gathering sill 1a of guide effect when being arranged in head body 1, set in gathering sill 1a There is sealing ring 28.So facilitate spool 5 right-hand member to guide when installing, increase spool 5 simultaneously Sealing between right-hand member and head body 1.

As it is shown on figure 3, offer cannelure one 3c, cannelure on the lateral surface of sealing shroud 3 right-hand member The cell wall of one 3c fits with sealing ring 1.By offering cannelure one 3c, sealing ring 1 Can be partially submerged in cannelure one 3c, be that the position of sealing shroud 3 and sealing ring 1 is more stable, Ensure good sealing between the two.

Specific embodiment described herein is only to this utility model spirit explanation for example. Described specific embodiment can be done various by this utility model person of ordinary skill in the field Amendment or supplementary or that employing the is similar mode of various kinds substitute, but without departing from of the present utility model Spirit or surmount scope defined in appended claims.

Claims (7)

1. the sealing structure of a hand-held atomizer shower nozzle, hand-held atomizer shower nozzle includes head body (1) and nozzle (2), the right-hand member of described nozzle (2) removably connects with the left end of described head body (1), it is characterized in that, described sealing structure includes sealing shroud (3) and sealing ring one (4), the lateral surface of described sealing shroud (3) is resisted against on the medial surface of head body (1) left end, between end face and the nozzle (2) of described head body (1) left end, there is space, described sealing ring one (4) is located in described space, the lateral surface of described sealing ring one (4) and described sealing shroud (3) right-hand member is tightly fitted to be formed and is sealed.

The sealing structure of a kind of hand-held atomizer shower nozzle the most according to claim 1, it is characterized in that, described sealing shroud (3) left end shrinks and forms a choke (3a), there is on described choke (3a) through hole (3b) that can connect head body (1) and nozzle (2), described nozzle (2) includes spraying water end (2b) and connecting end (2c), between medial wall and the medial wall connecting end (2c) of described water spray end (2b), there is step surface (2d), the lateral surface of described sealing shroud (3) fits tightly with described step surface (2d).

The sealing structure of a kind of hand-held atomizer shower nozzle the most according to claim 2, it is characterized in that, offering cannelure one (3c) on the lateral surface of described sealing shroud (3) right-hand member, the cell wall of described cannelure one (3c) fits with sealing ring one (4).

4. according to the sealing structure of a kind of hand-held atomizer shower nozzle described in Claims 2 or 3, it is characterized in that, described sealing structure also includes spool (5), spring (6) and back-up ring (7), described back-up ring (7) is located in head body (1), the right-hand member of described spool (5) is arranged in head body (1) through described back-up ring (7), the two ends of described spring (6) are connected with spool (5) left end and back-up ring (7) respectively, described spool (5) left end inserts described sealing shroud (3) and is resisted against under the effect of described spring (6) on the inwall of sealing shroud (3) and seals described through hole (3b).

The sealing structure of a kind of hand-held atomizer shower nozzle the most according to claim 4, it is characterized in that, offer the gathering sill (1a) for playing guide effect when spool (5) right-hand member being arranged on head body (1) being upper in described head body (1), in described gathering sill (1a), be provided with sealing ring two (8).

The sealing structure of a kind of hand-held atomizer shower nozzle the most according to claim 4, it is characterized in that, described spool (5) left end is round table-like, cannelure two (9) is offered on the side of round platform, being provided with sealing ring three (10) in described cannelure two (9), described sealing ring three (10) fits tightly with the medial surface of sealing shroud (3).

7. according to the sealing structure of a kind of hand-held atomizer shower nozzle described in Claims 2 or 3, it is characterized in that, on described connection end (2c) medial wall, there is female thread (2a), having external screw thread (1b) on the lateral wall of the left end of described head body (1), described female thread (2a) matches with external screw thread (1b).