CN105149135A - A sprayer device with a protective device - Google Patents

Abstract

The invention discloses a sprayer device with a protection device, which comprises a combined cover connected with a bottle body, and is characterized in that: the spraying device comprises a combination cover, a spraying pump device, a press head and a safety cover, wherein the combination cover is internally connected with the spraying pump device, the liquid outlet end of the spraying pump device is connected with the press head, a nozzle pipe extends outwards from the press head, and the combination cover is provided with the safety cover which can prevent the press head from moving downwards and prevent pollutants from entering the nozzle pipe. The invention aims to overcome the defects in the prior art and provides the sprayer device which is simple in structure, convenient to use, safe and reliable, can effectively prevent pollutants such as dust and the like from entering the sprayer and effectively prevent the pollutants from being pressed by mistake and is provided with a protection device.

Description

A sprayer device with a protective device

technical field

The invention relates to a sprayer device with a protective device.

Background technique

Existing spray pump has been widely used in industries such as daily chemical and medicine because of its exquisite design and convenient use. However, after the existing spray pump is unpacked, the nozzle of the spray pump will be exposed outside for a long time, and pollutants such as dust are easy to enter the nozzle during use, causing pollution. In addition, due to design defects, existing spray pumps have disadvantages such as relatively slow starting of the pump during use, relatively unstable discharge volume, and the like. Can not meet the needs of users.

Existing oral sprayers generally do not have protection devices, and the button of the sprayer is easily squeezed and moved down due to misoperation during transportation or use, resulting in waste or unnecessary accidents, and the safety is not strong.

Therefore, the existing sprayer needs to be further improved.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a simple structure, easy to use, can effectively prevent dust and other pollutants from entering the sprayer, and effectively prevent mispressing, safe and reliable, with a protective device. Sprayer device.

In order to achieve the above object, the present invention adopts the following scheme:

A sprayer device with a protective device, including a combination cap used to connect with the bottle body, characterized in that: a spray pump device is connected inside the combination cap, and a press head is connected at the liquid outlet end of the spray pump device , a nozzle tube extends outward from the press head, and a safety cover that can prevent the press head from moving down and prevent pollutants from entering the nozzle tube is provided on the combined cover.

A sprayer device with a protective device as described above is characterized in that the safety cover includes a snap-in seat, and the snap-in seat is plugged into the combined cover, and the snap-in seat is connected to A dust-proof positioning cap is connected to the piece, and the dust-proof positioning cap is sleeved on the liquid outlet end of the nozzle pipe.

A sprayer device with a protection device as described above is characterized in that the spray pump device includes a pump chamber, an upper pump rod is arranged in the pump chamber, and a limiter is set on the outer wall of the upper pump rod. Position bumps, a suction plug is movable on the upper pump rod below the limit bump, a lower pump rod is arranged below the suction plug, and a suction plug capable of closing the pump chamber is provided at the lower end of the lower pump rod. The plug head of the liquid end, the lower pump rod is movably arranged in the upper pump rod, and there is a plug between the lower end of the lower pump rod and the pump chamber, which can make the plug head press against the suction plug to close the liquid inlet at the lower end of the upper pump rod. The lower pressure spring is provided between the suction plug and the limit protrusion, and the upper pressure spring is provided at the liquid inlet end of the pump chamber. The pump rod at the upper end of the limit protrusion The upper sleeve is provided with a locking cover capable of forming a dynamic seal between the outer wall of the upper pump rod and the inner wall of the pump chamber and locking the upper pump rod in the pump chamber. on the pump rod.

A sprayer device with a protective device as described above is characterized in that the press head includes a press head seat, a liquid inlet channel is provided in the press head seat, and the upper pump rod is inserted into the liquid inlet channel Inside, the nozzle tube is integrally formed on the press head seat, a center column is arranged in the nozzle tube, a liquid guide gap is provided between the outer wall of the center column and the inner wall of the nozzle tube, and a There is a fog point which is sleeved over the end of the center post.

A sprayer device with a protective device as described above is characterized in that the combined cover includes a cover body, and a pump chamber installation part extends upward from the upper end of the cover body, and a limiting device is arranged in the pump chamber installation part. Position card slot, a positioning block is provided on the outer wall of the upper end of the pump chamber, and the positioning block is set in the limit card slot, and a bottle mouth connection part is provided under the cover body. The mouth connection part is provided with an internal thread, and an external thread is provided at the upper end of the bottle body. The cover body is threadedly connected to the bottle body, and a gasket for sealing with the bottle mouth of the bottle body is provided in the cover body. The sealing gasket is sleeved on the outer wall of the pump.

A sprayer device with a protective device as described above is characterized in that a push head guide is provided on the cover outside the pump chamber installation part, the lower end of the push head is arranged in the push head guide, and the clamp The socket is clamped on the outer wall of the press head guide.

A sprayer device with a protective device as described above is characterized in that the plug head includes a plug body, and an upward annular flange is arranged on the plug body, and the inner wall of the annular flange is connected with the lower pump An accommodating groove is arranged between the outer walls of the rods, and a plurality of convex ribs are arranged at intervals on the outer wall of the lower pump rod of the accommodating grooves.

A sprayer device with a protective device as described above is characterized in that the suction plug includes an inner plug body, and an outer plug body is connected to the inner plug body through a connecting ring, and the outer plug body is connected to the pump The inner wall is dynamically sealed, the inner plug body is dynamically sealed with the outer wall of the upper pump rod, and the lower end of the inner plug body can form a seal with the plug head when it is plugged into the accommodating groove.

A sprayer device with a protective device as described above is characterized in that the pump chamber is provided with a first step that can separate the suction plug from the lower pump rod when the upper pump rod moves down, and the first step is below the first step. There is a second step in the pump chamber that can form a seal with the plug.

A sprayer device with a protective device as described above is characterized in that the said pump bead mechanism includes a pump bead chamber arranged at the liquid inlet end of the pump chamber, a pump bead is arranged in the pump bead chamber, and a pump bead is arranged in the pump bead chamber. The pump chamber above the pump bead chamber is provided with a positioning step, the lower end of the lower pressing spring presses on the positioning step, a liquid introduction pipe is provided on the liquid inlet end of the pump chamber, and a Angled cutout for easy liquid entry.

In summary, the present invention has the beneficial effects relative to the prior art as follows:

1. In the present invention, a nozzle pipe is arranged on the pressing head, and the nozzle pipe can be stretched into the required liquid spraying part, which is convenient to use.

2. In the present invention, a safety cover is set on the combined cover, which effectively ensures that the sprayer of the present invention will not cause waste or unnecessary accidents due to misoperation under abnormal use conditions, and at the same time effectively prevent pollutants from entering the nozzle ,Health and Safety.

3. The safety cover in the present invention includes a clamping seat, and the clamping is clamped on the outer wall of the guide connection part on the upper part of the combined cover, which is convenient to connect. In the present invention, the dustproof positioning cap is connected to the clamping seat through a connecting piece. During use, the dustproof positioning cap can be taken out at the same time when the clamping seat is taken out, which is convenient to use.

4. The spray pump device of the present invention is simple in structure, adopts double spring design, the pump starts quickly, and the spray volume is stable.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the present invention;

Fig. 2 is a schematic sectional view of the present invention;

Fig. 3 is an exploded schematic view of the present invention.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:

A sprayer device with a protective device as shown in Figures 1 to 3 includes a combination cover 1 for connecting with the bottle body, a spray pump device 2 is connected in the combination cover 1, and a spray pump device 2 is connected to the spray pump device 2. The liquid outlet end is connected with a press head 3, and a nozzle pipe 4 extends outward on the press head 3, and a nozzle pipe 4 is provided on the combined cover 1 to prevent the press head 3 from moving down and to prevent pollutants from entering the nozzle pipe 4. The safety cover 5.

The safety cover 5 described in the present invention includes a clamping seat 51, which is inserted on the combined cover 1, and a dustproof positioning cap is connected to the clamping seat 51 through a connecting piece 52. 53 , the dust-proof positioning cap 53 is sleeved on the liquid outlet end of the nozzle pipe 4 .

In the present invention, a safety cover is set on the combined cover, which effectively ensures that the sprayer of the present invention will not cause waste or unnecessary accidents due to misoperation under abnormal use conditions, and at the same time effectively prevents pollutants from entering the nozzle, ensuring safety. health.

In the present invention, the safety cover includes a clamping seat, and the clamping is clamped on the outer wall of the guide connection part on the upper part of the combined cover, which is convenient to connect. In the present invention, the dustproof positioning cap is connected to the clamping seat through a connecting piece. The dustproof positioning cap can be taken out while taking out the clamping seat, which is convenient to use.

The spray pump device 2 described in the present invention includes a pump chamber 21, and an upper pump rod 22 is arranged in the pump chamber 21, and a limit protrusion 23 is arranged on the outer wall of the upper pump rod 22, and A suction plug 24 is arranged on the movable sleeve on the upper pump rod 22 below the limit protrusion 23, and a lower pump rod 25 is arranged below the suction plug 24, and a closed pump chamber 21 is provided at the lower end of the lower pump rod 25. The plug head 26 at the liquid inlet end, the lower pump rod 25 is movably arranged in the upper pump rod 22, and there is a valve between the lower end of the lower pump rod 25 and the pump chamber, which can make the plug head 26 press against the suction plug 24 to close it. The lower pressure spring 27 of the liquid inlet at the lower end of the upper pump rod 22 is provided with an upper pressure spring 28 between the suction plug 24 and the limit protrusion 23, and a pump bead is provided at the liquid inlet end of the pump chamber 21. Mechanism 29, the upper pump rod 22 at the upper end of the limit protrusion 23 is sleeved with a lock that can make the outer wall of the upper pump rod 22 and the inner wall of the pump chamber 21 form a dynamic seal and can lock the upper pump rod 22 in the pump chamber. Cover 210 , the upper end of the upper pump rod 22 extends out of the pump chamber 21 , and the press head 3 is connected to the upper pump rod 22 .

The spray pump device of the present invention has a simple structure, adopts a double spring design, starts the pump quickly, and has stable spray volume.

In the present invention, the press head 3 includes a press head seat 31, and a liquid inlet passage 32 is arranged in the press head seat 31, and the upper pump rod 22 is inserted into the liquid inlet passage 32, and the nozzle pipe 4 It is integrally formed on the press head seat 31, and a central column 33 is provided in the nozzle tube 4, and a liquid guide gap 34 is provided between the outer wall of the central column 33 and the inner wall of the nozzle tube 4, and the liquid is discharged from the nozzle tube 4. The fog point 35 is provided at the end, and the fog point 35 is sleeved on the end of the central column 33 .

In the present invention, a fog point 35 is provided at the outlet end of the nozzle pipe 4 to effectively enhance the atomization effect of the spray liquid.

In the present invention, the combination cover 1 includes a cover body 11, and a pump chamber installation part 12 extends upward on the upper end surface of the cover body 11, and a limit card slot 13 is arranged in the pump chamber installation part 12, and the The outer wall of the upper end of the pump chamber 21 is provided with a positioning block 211, and the positioning block 211 is set in the limit card groove 13, and a bottle mouth connection part 14 is provided under the cover body 11, and a bottle mouth connection part 14 is arranged at the bottom of the bottle mouth. The connecting part 14 is provided with an internal thread 15, and an external thread is provided at the upper end of the bottle body. The cover body 11 is threadedly connected to the bottle body. The gasket 16 is sleeved on the outer wall of the pump chamber 21 .

In the present invention, a press head guide 17 is provided on the cover body 11 outside the pump chamber installation part 12, the lower end of the press head 3 is arranged in the press head guide 17, and the clamping seat 51 is clamped on the On the outer wall of the head guide 17.

In the present invention, the plug 26 includes a plug body 261, an upward annular flange 262 is arranged on the plug body 261, and an accommodation is provided between the inner wall of the annular flange 262 and the outer wall of the lower pump rod 25. The housing groove 263 is provided with a plurality of convex ribs 252 at intervals on the outer wall of the lower pump rod 25 of the housing groove 263 .

The suction plug 24 described in the present invention includes an inner plug body 241, an outer plug body 243 is connected to the inner plug body 241 through a connecting ring 242, and the outer plug body 243 is dynamically sealed with the inner wall of the pump chamber 21, so The inner plug body 241 is dynamically sealed with the outer wall of the upper pump rod 22 , and the lower end of the inner plug body 241 can form a seal with the plug head 26 when inserted into the accommodating groove 263 .

According to the present invention, the pump chamber 21 is provided with a first step 253 that can separate the suction plug 24 from the lower pump rod 25 when the upper pump rod 22 moves down, and the pump chamber 21 below the first step 253 is provided with There is a second step 254 capable of forming a seal with the plug head 26

The pump bead mechanism 29 described in the present invention includes a pump bead chamber 291 arranged at the liquid inlet end of the pump chamber 21, a pump bead 292 is arranged in the pump bead chamber 291, and a pump bead 292 above the pump bead chamber 291 There is a positioning step 293 in the room, and the lower end of the lower pressure spring 27 is pressed against the positioning step 293. A liquid introduction pipe 6 is provided on the liquid inlet end of the pump chamber 21, and a liquid introduction pipe 6 is provided at the lower end of the liquid introduction pipe 6 The oblique cutout 61 that is convenient for entering liquid.

Working principle in the present invention:

1. Remove the safety cover first during use;

2. When pressing the push head, overcome the elastic force of the lower top pressure spring, and move the push head down. Due to the elastic force of the upper top pressure spring, the suction plug moves down with the upper pump rod, and the gas in the pump chamber is compressed. When the suction plug When resisting the first step, the suction plug does not move, the upper and lower pump rods continue to move down, the suction plug is separated from the lower pump rod, the sealing position between the plug head of the lower pump rod and the suction plug is opened, and the gas in the pump chamber will be released from then on. The position is discharged; when the lower pump rod moves down to the second step, the upper and lower pump rods stop moving down,

3. When the button is released, due to the action of the lower top pressure spring and the upper top pressure spring, the suction plug and the plug head of the lower pump rod are quickly sealed and rebound together, and a partial vacuum is formed in the inner cavity of the pump chamber. Under the action of the external atmospheric pressure, Introduce the liquid from the suction tube and flush the pump beads into the inner cavity; continue to press, and the liquid will be sprayed out through the fog point of the upper pump rod and the nozzle tube due to the incompressibility of the liquid.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. the sprayer device with protective device; include the combining cover (1) for being connected with bottle; it is characterized in that: in described combining cover (1), be connected with atomizing pump device (2); head (3) is connected with at the outlet end of described atomizing pump device (2); described head (3) is outward extended with blast tube (4), described combining cover (1) is provided with and head (3) can be stoped to move down and preventing pollution thing can enter the protecting casing (5) of blast tube (4).

2. a kind of sprayer device with protective device according to claim 1; it is characterized in that described protecting casing (5) includes clamping seat (51); described clamping seat (51) is plugged on described combining cover (1); described clamping seat (51) is connected with dust-proof positioning cap (53) by connector (52), and described dust-proof positioning cap (53) is set on the outlet end of blast tube (4).

3. a kind of sprayer device with protective device according to claim 2, it is characterized in that described described atomizing pump device (2) includes pump chamber (21), upper pump rod (22) is provided with in described pump chamber (21), pump rod (22) outer wall is provided with spacing block set (23) on described, be provided with at the upper movable sleeve of the upper pump rod (22) of described spacing block set (23) below and inhale plug (24), lower pump rod (25) is provided with in described suction plug (24) below, the chock plug (26) closing pump chamber (21) liquid feeding end is provided with in described lower pump rod (25) lower end, described lower pump rod (25) is movably arranged in described upper pump rod (22), be provided with between lower end and pump chamber at lower pump rod (25) that chock plug (26) to be made to push up be pressed in inhale plug (24) upper thus close the lower top pressure spring (27) of upper pump rod (22) lower end inlet, upper top pressure spring (28) is provided with between described suction plug (24) and spacing block set (23), Beng Zhu mechanism (29) is provided with at described pump chamber (21) liquid feeding end, the upper pump rod (22) of described spacing block set (23) upper end is arranged with and upper pump rod (22) outer wall and pump chamber (21) inwall formative dynamics can be made to seal and the tightening cover (210) that upper pump rod (22) can be locked in pump chamber, pump chamber (21) is stretched out in described upper pump rod (22) upper end, described head (3) is connected on pump rod (22).

4. a kind of sprayer device with protective device according to claim 3, it is characterized in that described head (3) includes by headstock (31), feed pathway (32) is provided with by headstock (31) described, described upper pump rod (22) is plugged in feed pathway (32), described blast tube (4) is shaped in by headstock (31), newel (33) is provided with in described blast tube (4), drain gap (34) is provided with between described newel (33) outer wall and blast tube (4) inwall, cloud point (35) is provided with at described blast tube (4) outlet end, described cloud point (35) is set on described newel (33) end.

5. a kind of sprayer device with protective device according to claim 3, it is characterized in that described combining cover (1) includes lid (11), pump chamber installation portion (12) is upwards extended with in described lid (11) upper surface, spacing draw-in groove (13) is provided with in described pump chamber installation portion (12), in described pump chamber (21) upper end, outer wall is provided with positioning wedged block (211), described positioning wedged block (211) is fastened in described spacing draw-in groove (13), bottleneck connecting portion (14) is provided with in described lid (11) below, internal thread (15) is provided with in described bottleneck connecting portion (14), external screw thread is provided with in bottle upper end, described lid (11) is threaded on bottle, the sealing gasket (16) sealed between the bottleneck for bottle is provided with in described lid (11), described sealing gasket (16) is set in pump chamber (21) outer wall.

6. a kind of sprayer device with protective device according to claim 4; it is characterized in that being provided with head guide part (17) on the lid (11) in described pump chamber installation portion (12) outside; described head (3) lower end is arranged in head guide part (17), and described clamping seat (51) is fastened on described head guide part (17) outer wall.

7. a kind of sprayer device with protective device according to claim 5; it is characterized in that described chock plug (26) includes chock plug body (261); described chock plug body (261) is provided with annular flange (262) upwards; be provided with storage tank (263) between described annular flange (262) inwall and lower pump rod (25) outer wall, lower pump rod (25) outer wall of described storage tank (263) is interval with multiple convex tendon (252).

8. a kind of sprayer device with protective device according to claim 3; it is characterized in that described suction plug (24) includes inner plug body (241); described inner plug body (241) is connected with outer cock body (243) by connecting ring (242); described outer cock body (243) and pump chamber (21) inwall dynamic seal (packing); described inner plug body (241) and upper pump rod (22) outer wall dynamic seal (packing), can be formed with chock plug (26) when described inner plug body (241) lower end is plugged on storage tank (263) and seal.

9. a kind of sprayer device with protective device according to claim 3; in pump chamber (21), be provided with the first step (253) that suction plug (24) can be made to be separated with lower pump rod (25) when upper pump rod (22) moves down described in it is characterized in that, be provided with and can form with chock plug (26) second step (254) sealed in the pump chamber (21) of described first step (253) below.

10. a kind of sprayer device with protective device according to claim 3, the Beng Zhu mechanism (29) stated described in it is characterized in that includes the pump pearl room (291) being arranged on pump chamber (21) liquid feeding end, pump pearl (292) is provided with in described pump pearl room (291), positioning step (293) is provided with in the pump chamber of described pump pearl room (291) top, top, described lower top pressure spring (27) lower end is pressed on positioning step (293), described pump chamber (21) liquid feeding end is provided with liquid guiding tube (6), the angular cut (61) being convenient to feed liquor is provided with in described liquid guiding tube (6) lower end.