CN204890838U - a sprayer - Google Patents

Abstract

The utility model discloses a sprayer, including combining the lid, it has the pump chamber to cover the in -connection in the combination, pump pole on being equipped with in the pump chamber, be equipped with spacing lug on last pump pole outer wall, the movable sleeve is equipped with and inhales the stopper on the last pump pole of spacing lug below, pump pole under being equipped with below inhaling the stopper, pump pole lower extreme is equipped with the chock plug under, pump pole activity setting is in last pump pole down, be equipped with top pressure spring down under between pump pole lower extreme and the pump chamber, be equipped with top pressure spring between stopper and the spacing lug inhaling, be equipped with pump pearl mechanism at pump chamber feed liquor end, the cover is equipped with the locking lid on the last pump pole of spacing lug upper end, go up pump pole upper end and stretch out the pump chamber, it presses the head to be connected with the hydrojet on last pump pole, upwards extend and have buckling part combining to cover the terminal surface, there is the shield at the buckling part lock joint, the hydrojet sets up in the shield according to the head. The utility model discloses simple structure, convenient to use, can prevent effectively that pollutant such as dust from getting into sprayer in, effectively prevent by the mistake according to, safe and reliable, sprayer.

Description

a sprayer

technical field

The utility model relates to a sprayer.

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.

Utility model content

The purpose of this utility model 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 sprayer.

In order to achieve the above object, the utility model adopts the following scheme:

A sprayer, including a combination cover for connecting with the bottle body, characterized in that: a pump chamber is connected inside the combination cover, an upper pump rod is arranged in the pump chamber, and an upper pump rod is arranged on the outer wall of the upper pump rod. There is a limit protrusion, a suction plug is movable on the upper pump rod below the limit protrusion, a lower pump rod is arranged under the suction plug, and a pump chamber can be closed at the lower end of the lower pump rod. The plug head at the liquid inlet end, the lower pump rod is movably arranged in the upper pump rod, and there is a device between the lower end of the lower pump rod and the pump chamber that can press the plug head against the suction plug to close the liquid inlet at the lower end of the upper pump rod. The upper pressing spring is set between the suction plug and the limit protrusion, the pump ball mechanism is arranged at the liquid inlet end of the pump chamber, and the upper pump at the upper end of the limit protrusion The rod is covered with a locking cover that can make the outer wall of the upper pump rod and the inner wall of the pump chamber form a dynamic seal and can lock the upper pump rod in the pump chamber. The upper end is connected with a liquid spray press head, and a fastening portion extends upwardly from the upper end of the combination cover, and a dust cover is fastened to the fastening portion, and the liquid spray press head is arranged in the dust cover.

The above-mentioned sprayer is characterized in that an upper buckle is provided on the outer wall of the fastening part, and a lower buckle is provided on the inner wall of the dust cover, and the lower buckle is fastened to the upper buckle .

A sprayer as described above, characterized in that the liquid spray press head includes a press seat, a liquid inlet channel is provided in the press seat, and a convex nozzle is provided on the outer wall of the press seat, A liquid outlet channel communicating with the liquid inlet channel is provided inside the convex nozzle, and a fog point is provided at the outlet end of the convex nozzle.

A sprayer as described above is characterized in that the combination cover includes a cover body, and a pump chamber installation part extends upward on the upper surface of the cover body, and a limit card slot is provided in the pump chamber installation part. The outer wall of the upper end of the pump chamber is provided with a positioning block, and the positioning block is set in the limit card slot, and a bottle mouth connection part is provided under the cover body, and a bottle mouth connection part is arranged in the bottle mouth connection part. There is an internal thread, and an external thread is provided on 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 body of the cover body. The gasket cover Located on the outer wall of the pump.

The above-mentioned sprayer is characterized in that a guide connection ring extends upward on the cover between the pump chamber installation part and the fastening part, and the lower end of the spray head is arranged in the guide connection ring.

A sprayer as described above is characterized in that the plug includes a plug body, an upward annular flange is provided on the plug body, and an inner wall of the annular flange and the outer wall of the lower pump rod are provided. There is an accommodating groove, and a plurality of convex ribs are arranged at intervals on the outer wall of the lower pump rod of the accommodating groove.

A sprayer as described above is characterized in that the suction plug includes an inner plug body, an outer plug body is connected to the inner plug body through a connecting ring, and the outer plug body is dynamically sealed with the inner wall of the pump, 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 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 pump chamber below the first step is provided with a A second step capable of forming a seal with the plug.

A sprayer as described above is characterized in that the pump bead mechanism includes a pump bead chamber arranged at the liquid inlet end of the pump chamber, pump beads are arranged in the pump bead chamber, and the pump above the pump bead chamber A positioning step is arranged indoors, and the lower end of the lower pressing spring presses against the positioning step.

A sprayer as described above is characterized in that a liquid introduction tube is provided on the liquid inlet end of the pump chamber, and an oblique cut is provided at the lower end of the liquid introduction tube to facilitate liquid intake.

In summary, the utility model has the beneficial effects relative to the prior art as follows:

1. In the utility model, a fastening part is provided on the joint cover, and a safety cover is sleeved on the outer wall of the fastening part, which effectively ensures that the sprayer of the present utility model will not be wasted or damaged due to misoperation under abnormal use conditions. Unnecessary accidents occur, and at the same time effectively prevent pollutants from entering the nozzle, which is safe and hygienic.

2. The structure of the spray pump device of the utility model is simple, adopts double spring design, the pump starts quickly, and the spray volume is stable.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is the schematic sectional view of the utility model;

Fig. 3 is the exploded schematic view of the utility model;

FIG. 4 is an enlarged schematic view of point A in FIG. 2 .

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:

A sprayer as shown in Figures 1 to 4, includes a combination cover 1 for connecting with the bottle body, a pump chamber 2 is connected in the combination cover 1, and an upper pump rod 3 is arranged in the pump chamber 2 , the outer wall of the upper pump rod 3 is provided with a limit protrusion 4, and a suction plug 5 is set movable on the upper pump rod 3 below the limit protrusion 4, and a lower pump rod 5 is provided below the suction plug 5. The pump rod 6 is provided with a plug 7 capable of closing the liquid inlet end of the pump chamber 2 at the lower end of the lower pump rod 6. Between the chambers, there is a lower pressure spring 8 that can make the plug head 7 press against the suction plug 5 to close the liquid inlet at the lower end of the upper pump rod 3 . Upper pressing spring 9, a pump bead mechanism 14 is provided at the liquid inlet end of the pump chamber 2, and an upper pump rod 3 at the upper end of the limit protrusion 4 is provided with a pump rod 3 outer wall that can be connected to the pump chamber. 2 The inner wall forms a dynamic seal and can lock the upper pump rod 3 in the locking cover 10 in the pump chamber. The upper end of the upper pump rod 3 protrudes out of the pump chamber 2, and the upper end of the upper pump rod 3 is connected with a liquid injection press head 11 , a fastening portion 12 extends upward from the upper end surface of the combination cover 1 , and a dustproof cover 13 is buckled on the fastening portion 12 , and the liquid spraying head 11 is arranged in the dustproof cover 13 .

In the utility model, a fastening part is provided on the combined cover, and a safety cover is sleeved on the outer wall of the fastening part, which effectively ensures that the sprayer of the present utility model will not be wasted or unnecessary due to misoperation under the condition of abnormal use. accidents, while effectively preventing pollutants from entering the nozzle, safe and hygienic.

In the present invention, an upper buckle 121 is provided on the outer wall of the fastening part 12 , and a lower buckle 122 is provided on the inner wall of the dustproof cover 13 , and the lower buckle 122 is buckled on the upper buckle 121 . The connection between the dustproof cover 13 and the combination cover 1 is convenient.

The liquid spray press head 11 in the utility model includes a press head seat 111, a liquid inlet channel 112 is arranged in the press head seat 111, and an outwardly convex nozzle 113 is provided on the outer wall of the press head seat 111. The protruding nozzle 113 is provided with a liquid outlet channel 114 communicating with the liquid inlet channel 112 , and a mist point 115 is provided at the outlet end of the protruding nozzle 113 .

In the utility model, the combination cover 1 includes a cover body 101, and a pump chamber installation part 102 extends upward on the upper surface of the cover body 101, and a limit card groove 103 is arranged in the pump chamber installation part 102, and the The outer wall of the upper end of the pump chamber 2 is provided with a positioning block 23, and the positioning block 23 is set in the limit card groove 103, and a bottle mouth connection portion 104 is provided below the cover body 101. An internal thread 105 is provided in the mouth connecting portion 104, and an external thread is provided at the upper end of the bottle body. The cover body 101 is threadedly connected to the bottle body, and the cover body 101 is provided with a connection between the mouth of the bottle body and the bottle body. A sealing gasket 106 is sleeved on the outer wall of the pump chamber 2 .

In the present utility model, a guide connecting ring 107 extends upward on the cover body 101 between the pump chamber installation part 102 and the fastening part 12 , and the lower end of the liquid spray press head 11 is arranged in the guide connecting ring 107 .

The plug head 7 in the utility model includes a plug body 71, and an upward annular flange 72 is arranged on the plug body 71, and an inner wall of the annular flange 72 and the outer wall of the lower pump rod 6 are provided The accommodating groove 73 is provided with a plurality of convex ribs 74 at intervals on the outer wall of the lower pump rod 6 of the accommodating groove 73 .

The suction plug 5 described in the utility model includes an inner plug body 51, an outer plug body 53 is connected to the inner plug body 51 through a connecting ring 52, and the outer plug body 53 is dynamically sealed with the inner wall of the pump chamber 2, The inner plug body 51 is dynamically sealed with the outer wall of the upper pump rod 3 , and the lower end of the inner plug body 51 can form a seal with the plug head 7 when inserted into the accommodating groove 73 .

In the utility model, the pump chamber 2 is provided with a first step 21 that can separate the suction plug 5 from the lower pump rod 6 when the upper pump rod 3 moves down. In the pump chamber 2 below the first step 21 A second step 22 capable of forming a seal with the plug head 7 is provided.

The pump bead mechanism 14 described in the utility model includes a pump bead chamber 141 arranged at the liquid inlet end of the pump chamber 2, a pump bead 142 is arranged in the pump bead chamber 141, and a pump bead 142 above the pump bead chamber 141 A positioning step 143 is provided in the room, and the lower end of the lower pressure spring 8 presses against the positioning step 143 .

In the utility model, a liquid introduction pipe 15 is provided on the liquid inlet end of the pump chamber 2, and an oblique cut 151 is provided at the lower end of the liquid introduction pipe 15 to facilitate liquid entry.

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

Working principle in the utility model:

1. Remove the dust 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 upper pressing spring is compressed, the suction plug is separated from the lower pump rod, and the sealing position between the plug head of the lower pump rod and the suction plug is opened , the gas in the pump chamber will be discharged from this position; 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 utility model and the advantages of the utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (10)

1. A sprayer, comprising a combined cap (1) for being connected to the bottle body, characterized in that: a pump chamber (2) is connected in the combined cap (1), and in the pump chamber (2) An upper pump rod (3) is provided, and a limit protrusion (4) is arranged on the outer wall of the upper pump rod (3), and the upper movable sleeve of the upper pump rod (3) below the limit protrusion (4) A suction plug (5) is provided, a lower pump rod (6) is provided under the suction plug (5), and a plug head capable of closing the liquid inlet end of the pump chamber (2) is provided at the lower end of the lower pump rod (6) (7), the lower pump rod (6) is movably arranged in the upper pump rod (3), and there is a device between the lower end of the lower pump rod (6) and the pump chamber to make the plug (7) press against the suction On the plug (5) so as to close the lower pressure spring (8) of the liquid inlet at the lower end of the upper pump rod (3), an upper pressure spring is provided between the suction plug (5) and the limit protrusion (4) (9), a pump bead mechanism (14) is provided at the liquid inlet end of the pump chamber (2), and a pump rod (3) at the upper end of the limit protrusion (4) is sleeved with an upper pump rod (3) that enables the upper pump The outer wall of the rod (3) and the inner wall of the pump chamber (2) form a dynamic seal and can lock the upper pump rod (3) in the locking cover (10) in the pump chamber, and the upper end of the upper pump rod (3) extends out of the pump chamber ( 2), a liquid spray press head (11) is connected to the upper end of the upper pump rod (3), and a fastening portion (12) extends upward on the upper end surface of the combined cover (1), and the fastening portion ( 12) A dust-proof cover (13) is fastened, and the liquid spraying head (11) is arranged in the dust-proof cover (13). 2. A sprayer according to claim 1, characterized in that an upper button position (121) is provided on the outer wall of the fastening part (12), and a lower button is provided on the inner wall of the dustproof cover (13) position (122), and the described lower buckle position (122) is fastened on the upper buckle position (121). 3. A sprayer according to claim 1, characterized in that said liquid spray press head (11) includes a press head seat (111), and a liquid inlet channel (111) is provided in said press head seat (111) 112), a convex nozzle (113) is provided on the outer wall of the press head seat (111), and a liquid outlet channel (114) communicated with the liquid inlet channel (112) is provided in the convex nozzle (113) , a fog point (115) is provided at the outlet end of the convex nozzle (113). 4. A sprayer according to claim 1, characterized in that the combination cover (1) includes a cover body (101), and a pump chamber installation part (102) extends upward on the upper end surface of the cover body (101) ), a limit card slot (103) is provided in the pump chamber installation part (102), and a positioning block (23) is provided on the outer wall of the upper end of the pump chamber (2), and the positioning block (23) snaps Set in the limit card slot (103), a bottle mouth connection part (104) is provided under the cover body (101), and an internal thread (105) is provided in the bottle mouth connection part (104) , the upper end of the bottle is provided with an external thread, the cover (101) is threadedly connected to the bottle, and a gasket (106) for sealing between the mouth of the bottle is provided in the cover (101) ), the gasket (106) is sleeved on the outer wall of the pump chamber (2). 5. A sprayer according to claim 4, characterized in that a guide connecting ring ( 107), the lower end of the liquid injection press head (11) is arranged in the guide connecting ring (107). 6. A sprayer according to claim 1, characterized in that the plug (7) includes a plug body (71), and an upward annular flange (71) is provided on the plug body (71). 72), an accommodating groove (73) is provided between the inner wall of the annular flange (72) and the outer wall of the lower pump rod (6), and the outer wall of the lower pump rod (6) of the accommodating groove (73) is separated A plurality of ribs (74) are provided. 7. A nebulizer according to claim 1, characterized in that the suction plug (5) includes an inner plug body (51), and the inner plug body (51) is connected by a connecting ring (52) There is an outer plug body (53), the outer plug body (53) is dynamically sealed with the inner wall of the pump chamber (2), the inner plug body (51) is dynamically sealed with the outer wall of the upper pump rod (3), and the inner plug body (51) The lower end can form a seal with the plug (7) when it is plugged into the accommodating groove (73). 8. A sprayer according to claim 1, characterized in that when the upper pump rod (3) in the pump chamber (2) moves down, the suction plug (5) can be connected with the lower pump rod (6) A separate first step (21), a second step (22) capable of forming a seal with the plug (7) is provided in the pump chamber (2) below the first step (21). 9. A sprayer according to claim 1, characterized in that said pump bead mechanism (14) includes a pump bead chamber (141) arranged at the liquid inlet end of the pump chamber (2), and said pump bead chamber (141) is provided with a pump bead (142), and a positioning step (143) is provided in the pump chamber above the pump bead chamber (141), and the lower end of the lower pressing spring (8) is pressed against the positioning step (143). )superior. 10. A sprayer according to claim 1, characterized in that a liquid introduction pipe (15) is provided on the liquid inlet end of the pump chamber (2), and a convenient pipe is provided at the lower end of the liquid introduction pipe (15). Angled cutout (151) for liquid entry.