CN108620251B

CN108620251B - Jet head cover and jet device

Info

Publication number: CN108620251B
Application number: CN201810896253.XA
Authority: CN
Inventors: 刘祥海; 程小蓉; 申达
Original assignee: Guangdong Haoshun Oudisi Technology Co ltd
Current assignee: Guangdong Haoshun Oudisi Technology Co ltd
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2023-08-01
Anticipated expiration: 2038-08-08
Also published as: CN108620251A

Abstract

The invention provides a spray head cover and a spray device, and relates to the technical field of spray head spraying. The spray head cover comprises a conical head cover, a spray head body, a bumper, a limit switch and a wrench; the inner wall of the conical hood is symmetrically provided with first limit grooves respectively, and one end of the wrench is symmetrically provided with first limit protrusions and through holes; the conical hood is provided with a first opening opposite to the first limit groove, two sides of the first opening are symmetrically provided with second openings, and the bumper penetrates through the second openings and is positioned below the wrench; the spray head body comprises a press connection pipe, a telescopic spray pipe and a spray head; the pressure connection pipe, the telescopic spray pipe and the spray head are connected in sequence; one side of the conical hood, which is close to the first limiting groove, is provided with a limiting hole, and a limiting switch is sleeved in the limiting hole for fixing the use state of the wrench. The spray head cover has a bumper structure, can obviously distinguish the opening and closing states of the spray head cover when spraying, and has the characteristics of simplicity and convenience when in use.

Description

Jet head cover and jet device

Technical Field

The invention relates to the technical field of spray nozzle spraying, in particular to a spray head cover and a spray device.

Background

In the conventional spray head device, the switching of the on/off functions of the spray head device is controlled by a knob or a push switch, but the switching of the on/off states is not obvious. After the spraying operation is finished, if the spray head device is in an open state, the user cannot clearly distinguish the closed state and the open state of the spray head device, or the user needs to check the spray head device from a new state to determine the on-off state of the spray head device, and the user cannot use and experience better during the re-check; or the user mistakenly turns off the spray head device, so that the spray head device is not turned off any more.

When the opening and closing of the spraying device are required to be checked again, the spraying device cannot have better experience feeling in use, and the operation is complicated and inconvenient; in the case that the user mistakenly turns off the spraying device, if the spraying device contains volatile medicament, the medicament property of the medicament contained in the spraying device is weakened when the spraying device is in an open state for a long time, and the medicament contained in the spraying device cannot play a role well when the user needs to use the spraying device again.

Disclosure of Invention

The present invention aims to overcome the above-mentioned drawbacks of the prior art, and to provide a head cover and a head assembly, wherein the head cover has a bumper structure, so that a user can clearly distinguish between an open state and a closed state of the head cover after the injection is completed, and the head cover is convenient to use.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the invention is as follows:

in a first aspect, embodiments of the present invention provide a spray head cap comprising: the device comprises a conical hood, a nozzle body, a bumper, a limit switch and a wrench;

the inner wall of toper hood is equipped with first spacing groove respectively symmetry, the one end symmetry of spanner is equipped with first spacing arch and through-hole, first spacing arch is in swing joint in the first spacing groove.

The conical hood is provided with a first opening relative to the first limit groove, and the other end of the wrench penetrates through the first opening; the two sides of the first opening are symmetrically provided with second openings, and the bumper penetrates through the second openings and is positioned below the wrench.

The spray head body comprises a press connection pipe, a telescopic spray pipe and a spray head.

One end of the crimping pipe penetrates through the through hole and is movably clamped with the wrench, and the wrench drives the crimping pipe to move up and down; one end of the telescopic spray pipe is vertically connected with the other end of the crimping pipe, and the other end of the telescopic spray pipe is connected with the spray head.

And a limit hole is formed in one side of the conical hood, which is close to the first limit groove, and the limit switch is sleeved in the limit hole and used for fixing the using state of the wrench.

Further, the telescopic spray pipe comprises a plurality of sections of hollow pipes which are sleeved with each other and have different inner diameters, and the hollow pipes are sleeved with each other from the inside to the outside in sequence from the small to the large according to the inner diameters.

Further, the second opening is in a geometric shape, the bumper is in a geometric structure corresponding to the second opening, and the bumper is matched with the first opening for use.

Further, one end of the bumper is provided with a limiting protrusion.

Further, handles are arranged at one ends of the limit switch and the safety rod.

Further, the inner wall bilateral symmetry of toper hood is equipped with the second spacing groove, but the one end symmetry of telescopic jet pipe is equipped with the spacing arch of second, the spacing arch of second with the cooperation of second spacing groove is used.

Further, the wrench is provided with an anti-slip thread structure.

Further, gaps are symmetrically formed in the wall of the two sides of the through hole, the two gaps are provided with baffle tables extending from the same side, protrusions are symmetrically arranged on the two sides of the penetrating part of the pressure connection pipe and the through hole, and the protrusions are movably clamped in the gaps.

Further, the device also comprises a protective cover, wherein the protective cover is arranged at the conical part of the conical hood, and one end of the telescopic spray pipe is arranged in the protective cover.

In a second aspect, an embodiment of the present invention further provides an injection device, including a compressed gas tank, a catheter, and the injection head cap described above, where one end of the catheter is disposed in the compressed gas tank, and the other end of the catheter is connected to one end of the crimp tube.

The beneficial effects of the invention are as follows:

according to the spray head cover and the spray device provided by the embodiment of the invention, the spray head cover is provided with the bumper structure, so that a user can obviously distinguish the opening state and the closing state of the spray head cover when spraying, the tedious process of re-inspection is avoided, the user can be prevented from misjudging the closing state of the spray head cover, and when the volatile medicament is sprayed, the switch is not closed in time, so that the medicament property is weakened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a spray head cap according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a wrench and a crimping tube according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a bumper according to an embodiment of the present invention;

FIG. 4 is a second cross-sectional view of a spray head cap according to an embodiment of the present invention;

FIG. 5 is a side view block diagram of a spray head cap according to an embodiment of the present invention.

Icon: 10-a cone-shaped head cap; 101-a first limit groove; 103—a first opening; 104-a second opening; 106, a limiting hole; 108-a second limit groove; 20-a spray head body; 21-crimping tube; 211-protrusions; 22-telescopic nozzle; 222-a second limit protrusion; 23-spraying heads; 30-a bumper; 301-limiting protrusions; 40-limit switch; 50-a wrench; 501-a first limit bump; 502-a through hole; 504-notch; 505-a baffle; 60-handle; 70-protective cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-3, an embodiment of the present invention provides a spray head cap comprising: cone head cap 10, spray head body 20, bumper 30, limit switch 40, and wrench 50.

The inner wall of the conical hood 10 is symmetrically provided with a first limit groove 101, one end of the wrench 50 is symmetrically provided with a first limit protrusion 501 and a through hole 502, and the first limit protrusion 501 is movably connected in the first limit groove 101.

The conical hood 10 is provided with a first opening 103 opposite to the first limit groove 101, and the other end of the wrench 50 penetrates through the first opening 103; second openings 104 are symmetrically arranged on two sides of the first opening 103, and the bumper 30 penetrates through the second openings 104 and is positioned below the wrench 50.

As shown in fig. 2, the spray head body 20 includes a pressure connection pipe 21, a telescopic spray pipe 22, and a spray head 23. One end of the pressure connection pipe 21 penetrates through the through hole 502 and is movably clamped with the wrench 50, and the wrench 50 drives the pressure connection pipe 21 to move up and down; one end of the telescopic nozzle 22 is vertically connected with the other end of the pressure welding pipe 21, and the other end is connected with the spray head 23. And a limit hole 106 is formed in one side of the conical hood 10, which is close to the first limit groove 101, and the limit switch 40 is sleeved in the limit hole 106 and is used for fixing the use state of the wrench 50.

Here, it should be noted that, first, one end of the wrench 50 is symmetrically provided with a first limiting protrusion 501 and a through hole 502, and the first limiting protrusion 501 is movably connected in the first limiting groove 101. The wrench 50 is generally in a long strip shape, and the first limiting protrusion 501 on the wrench 50 is placed in the first limiting groove 101 of the conical hood 10, so that the wrench 50 can be moved up and down by fixing one end of the wrench 50 and pressing the wrench 50.

Wherein, the first opening 103 is formed in the conical head cover 10 for setting the position of the wrench 50 so that the portion of the wrench 50 exposed outside the conical head cover 10 can be operated; the second openings 104 formed in the cone head cover 10 are located at both sides of the first opening 103 for disposing the bumper 30 so that the up-and-down movement state of the wrench 50 can be controlled by the disposition of the bumper 30. Here, the bumper 30 is not fixed at the second opening 104, and the bumper 30 and the tapered hood 10 are detachably connected, and according to the usage state of the jet hood, if the jet hood needs to be used for jetting, the bumper 30 may be removed, and if the jetting is completed, the bumper 30 may be located at the second opening 104, so that it is avoided that the user is difficult to distinguish the closed and open states of the jet hood.

Second, as shown in fig. 2, the nozzle body 20 is composed of three parts, and the crimp tube 21 is disposed at the position of the through hole 502 of the wrench 50, so as to realize the movable connection between the crimp tube 21 and the wrench 50, and meanwhile, the crimp tube 21 can move according to the movement direction of the wrench 50; the telescopic spray pipe 22 is vertically connected with the crimping pipe 21, so that the spray angle of the spray head cover can be adjusted through the switching setting of the telescopic spray pipe 22 and the crimping pipe 21, namely, the spray head cover accords with the use habit of people.

Third, the conical hood 10 further has a limiting hole 106, the limiting hole 106 is disposed on one side close to the first limiting groove 101, and the limiting switch 40 is sleeved in the limiting hole 106, so that the use state of the wrench 50 can be operated by operating the limiting switch 40. The limit switch 40 is sleeved in the limit hole 106, so that the use state of the spray head cover can be limited by rotating the limit switch 40, the limit switch 40 is designed into an egg-shaped structure, and the specific operation process is that when the wrench 50 is in a pressing state, the wrench 50 can be in a long-time pressing state when the egg-shaped structure of the limit switch 40 is abutted against the corresponding part of the wrench 50, namely, the spray head cover is in a long-time spraying state, so that when long-time spraying is needed, a human hand needs to press for a long time, the operation is convenient, and the manpower can be liberated.

Further, as shown in fig. 2, the telescopic nozzle 22 includes a plurality of hollow tubes with different inner diameters, and the hollow tubes are sleeved from inside to outside in sequence from small to large according to the inner diameters.

The material of the hollow tube is not limited, and one end of the telescopic nozzle 22 is vertically connected to one end of the crimp tube 21, and the injection range of the cone head cover 10 can be further adjusted by adjusting the length of the telescopic nozzle 22 without changing the length of the crimp tube 21, thereby expanding the injection range.

Further, the second opening 104 has a geometric shape, the bumper 30 has a geometric structure corresponding to the second opening 104, and the bumper 30 is matched with the first opening 103.

Here, the geometry is not limited, and may be rectangular, trapezoid or some irregular shape, so long as the geometry of the bumper 30 disposed corresponding to the second opening 104 can define the state of the wrench 50, that is, the bumper 30 penetrating through the second opening 104 can place the head cap on or off, and the head cap provided in the present invention is in a closed state when the bumper 30 is disposed in the second opening 104, the bumper 30 is removed, the wrench 50 is pressed, and the head cap is opened.

Further, as shown in fig. 3, one end of the bumper 30 is provided with a limit protrusion 301.

The limiting protrusion 301 is arranged to enable the bumper 30 to penetrate through the second opening 104 and be clamped with the second opening 104, so that the bumper 30 is prevented from falling off from the second opening 104, and the using state of the wrench 50 can not be well fixed.

Further, handles 60 are disposed at one ends of the limit switch 40 and the bumper 30.

The handle 60 is provided to facilitate the operation of the user when operating the limit switch 40 or the bumper 30, and to conform to the use habit of the user.

Further, the two sides of the inner wall of the conical hood 10 are symmetrically provided with second limiting grooves 108, one end of the telescopic spray pipe 22 is symmetrically provided with second limiting protrusions 222, and the second limiting protrusions 222 are matched with the second limiting grooves 108.

The second limiting groove 108 is specifically used for fixing the position of the telescopic nozzle 22, so that the part of the telescopic nozzle 22 arranged in the conical head cover 10 cannot shake easily, and the accuracy of injection using the injection head cover is improved.

Further, the wrench 50 is provided with an anti-slip screw structure.

The head cap can prevent the head cap from falling off from the hand due to the smooth portion of the wrench 50 operated by the user when the wrench 50 having the anti-slip screw structure is used for spraying, and thus the use feeling is poor.

Further, the two side walls of the through hole 502 are symmetrically provided with notches 504, two notches 504 are provided with stop tables 505 extending from the same side, protrusions 211 are symmetrically provided on two sides of the penetrating part of the pressure connection pipe 21 and the through hole 502, and the protrusions 211 are movably clamped in the notches 504.

Here, it should be noted that, the through hole 502 is disposed on the wrench 50, the holes on two sides of the through hole 502 are symmetrically provided with notches 504, and further, the notches 504 on the positions of the through hole 502 cooperate with the baffle table 505, so that the protrusion 211 of the pressure connection pipe 21 is movably clamped in the through hole 502 of the wrench 50, that is, the pressure connection pipe 21 can move along with the pressing direction of the wrench 50, and when the pressure connection pipe 21 is connected with the liquid outlet pipe of a certain compressed gas tank, the pressure connection pipe 21 can be well pressed to control the liquid outlet.

Further, as shown in fig. 4, the device further comprises a protective cover 70, the protective cover 70 is arranged at the conical part of the conical hood 10, and one end of the telescopic spray pipe 22 is arranged in the protective cover 70.

As shown in fig. 5, a protective cover 70 is provided at the tapered portion of the tapered hood 10, wherein one end of the telescopic nozzle 22 is provided in the protective cover 70, specifically, the connection portion of the telescopic nozzle 22 and the crimp tube 21 is provided in the protective cover 70, so that the connection portion is not easily damaged, and the telescopic nozzle 22 is protected to some extent.

In summary, with the above-mentioned spray head cap, the bumper 30 should be removed from the second opening 104 of the conical head cap 10, the wrench 50 is pressed to spray, and if the spray is performed only in a short time, the spray can be completed by operating the wrench 50 by a human hand; if the spray head cover is required to be used for spraying for a long time, after the wrench 50 is pressed down, the limit switch 40 is operated, so that the egg-shaped structure of the limit switch 40 is abutted against the corresponding part of the wrench 50, and the spray head cover is always in an open state under the condition that the wrench 50 is not required to be pressed by a human hand all the time, so that the spray operation can be always performed; if the spraying operation is finished, the limit switch 40 is rotated to reset the limit switch, and the wrench 50 is in a closed state, so that the potential danger to a user can be eliminated in order to prevent the medicine sprayed through the spraying head cover from volatilizing; on the other hand, the medicine property can be effectively prevented from weakening due to volatilization, and the spraying effect can be ensured. After the spraying operation is completed, the bumper 30 can penetrate through the two first openings 103 at the same time, and meanwhile, the limiting protrusion 301 of the bumper 30 is clamped with the second opening 104 of the conical hood 10, so that the bumper 30 can be effectively prevented from falling off from the second opening 104.

Second embodiment

The embodiment of the invention provides a spraying device, which comprises a compressed gas liquid tank, a liquid guide pipe (not shown in the figure) and the spraying head cover, wherein one end of the liquid guide pipe is arranged in the compressed gas liquid tank, and the other end of the liquid guide pipe is communicated with one end of the pressure welding pipe 21.

Here, it should be noted that, in this embodiment, the compressed gas tank is not specifically limited, and the injection device may be any injection device that can connect the injection head cover with the catheter, so that the medicament contained in the hydraulic gas tank can be smoothly injected, and the injection device includes the injection head cover, and the specific usage method is just to refer to the operation of the method described above. The spraying device can be used for expelling insects in daily life, and the spraying device has certain medicament concentration in the corresponding spraying range after spraying, so the type of insects is not limited.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spray head cap, comprising: the device comprises a conical hood, a nozzle body, a bumper, a limit switch and a wrench;

the inner wall of the conical hood is symmetrically provided with first limit grooves respectively, one end of the wrench is symmetrically provided with first limit protrusions and through holes, and the first limit protrusions are movably connected in the first limit grooves;

the conical hood is provided with a first opening relative to the first limit groove, and the other end of the wrench penetrates through the first opening; the two sides of the first opening are symmetrically provided with second openings, and the bumper penetrates through the second openings and is positioned below the wrench;

the spray head body comprises a press connection pipe, a telescopic spray pipe and a spray head;

one end of the crimping pipe penetrates through the through hole and is movably clamped with the wrench, and the wrench drives the crimping pipe to move up and down; one end of the telescopic spray pipe is vertically connected with the other end of the crimping pipe, and the other end of the telescopic spray pipe is connected with the spray head;

a limit hole is formed in one side, close to the first limit groove, of the conical hood, and the limit switch is sleeved in the limit hole and used for fixing the using state of the wrench;

the telescopic spray pipe comprises a plurality of sections of hollow pipes which are sleeved with each other and have different inner diameters, and the plurality of sections of hollow pipes are sleeved with each other from the inside to the outside in sequence from the small to the large according to the inner diameters;

the inner wall bilateral symmetry of toper hood is equipped with the second spacing groove, but the one end symmetry of flexible spray tube is equipped with the spacing arch of second, the spacing arch of second with the cooperation of second spacing groove is used.

2. The spray head cap of claim 1, wherein the second opening is a geometric shape and the bumper is a geometric structure corresponding to the second opening, the bumper being used in conjunction with the first opening.

3. The spray head cap of claim 1, wherein one end of the bumper is provided with a limit bump.

4. The spray head cap of claim 1 wherein the limit switch and one end of the bumper are each provided with a handle.

5. The spray head cap of claim 1 wherein the wrench is provided with a non-slip thread arrangement.

6. The spray head cover according to claim 1, wherein two side hole walls of the through hole are symmetrically provided with notches, two notches are provided with baffle tables extending from the same side, two sides of the penetrating part of the pressure connection pipe and the through hole are symmetrically provided with protrusions, and the protrusions are movably clamped in the notches.

7. The spray head cap of claim 1, further comprising a shield disposed at a tapered portion of the tapered head cap, wherein one end of the retractable nozzle is disposed in the shield.

8. A spray device comprising a compressed gas tank, a liquid guide tube, and a spray head cap according to any one of claims 1 to 7, wherein one end of the liquid guide tube is provided in the compressed gas tank, and the other end of the liquid guide tube is connected to one end of the pressure-bonding tube.