CN105620893A - A spring external lotion pump - Google Patents

Abstract

The invention discloses an emulsion pump with an external spring, which comprises a lock bottle cap, wherein the upper end of the lock bottle cap is provided with a pump body mounting part, a pump chamber is arranged in the pump body mounting part, a liquid inlet is arranged at the lower end of the pump chamber, pump beads capable of sealing the liquid inlet are arranged in the liquid inlet, an upper pump rod is arranged in the pump chamber, the upper end of the upper pump rod extends out of the pump chamber, the upper end of the upper pump rod is connected with a button, the outer wall of the lower part of the upper pump rod is provided with a positioning ring platform, the upper end of the pump chamber is provided with a locking cover which can prevent the upper pump rod from running out of the pump chamber, a lower pump rod is movably connected in the upper pump rod, an absorption plug is arranged between the upper pump rod and the lower pump rod, the lower end of the absorption plug can form sealing with the lower pump rod, an auxiliary spring is arranged between the positioning ring platform and the upper end of the suction plug, a main spring is arranged between the button and the locking cover, and a convex connecting ring is arranged on the pump chamber outside the pump body mounting part, and an outer cover is sleeved outside the convex connecting ring. The self-locking device is simple in structure and convenient to use, can realize self-locking through the rotating bent nozzle, and the return spring is not contacted with liquid.

Description

A spring external lotion pump

technical field

The invention relates to a spring external lotion pump.

Background technique

Because of its exquisite design and convenient use, the lotion pump has been widely used in daily chemical and pharmaceutical industries. The existing lotion pump has a relatively complicated structure, and the curved mouth is generally in an active state after use. If it is pressed by mistake, unnecessary troubles may occur. In order to solve this problem, the existing method is to provide an additional outer cover on the spray cover, but the existing method not only increases the production cost, but also the outer cover is easy to fall on the ground during use, which is inconvenient to use. And the back-moving spring of existing lotion pump is generally all arranged in the pump chamber, contacts with the liquid in the pump chamber, can cause pollution to liquid like this, unhygienic.

Therefore, the existing lotion pump needs to be further improved.

Contents of the invention

The object of the present invention is to overcome the deficiencies in the prior art and provide a spring-mounted lotion pump with simple structure, easy to use, self-locking by rotating the elbow, and the return spring is not in contact with the liquid.

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

An external spring lotion pump, comprising a lock bottle cap, a pump body installation part is arranged at the upper end of the lock bottle cap, a pump chamber is arranged inside the pump body installation part, and an inlet is arranged at the lower end of the pump chamber. Liquid port, a pump bead capable of closing the liquid inlet is provided in the liquid inlet, an upper pump rod is arranged in the pump chamber, the upper end of the upper pump rod extends out of the pump chamber, and the upper end of the upper pump rod A button is connected, a positioning ring is provided on the outer wall of the lower part of the upper pump rod, and a locking cover is provided at the upper end of the pump chamber to prevent the upper pump rod from running out of the pump chamber. The lower pump rod is provided with a suction plug between the upper pump rod and the lower pump rod, the lower end of the suction plug can form a seal with the lower pump rod, and a secondary spring is provided between the positioning ring platform and the upper end of the suction plug , a main spring is provided between the button and the locking cover, a convex connection ring is provided on the pump chamber outside the installation part of the pump body, and an outer cover is provided outside the convex connection ring.

The spring-mounted lotion pump as described above is characterized in that a connection mechanism is provided between the lock bottle cap and the outer cover to enable the outer cover to be connected to the lock bottle cap after opening.

A spring-mounted lotion pump as described above is characterized in that the connecting mechanism includes an accommodating groove arranged in the bottle lock cap, a spring is arranged in the accommodating groove, and a spring is connected to the upper end of the spring. An elastic cord, one end of which is connected to the outer cover.

An external spring lotion pump as described above is characterized in that the connecting mechanism includes a chute opened on the inner wall of the outer cover, a connecting bar is provided on the outer convex connecting ring, and a connecting bar is provided on the end of the connecting bar. There is a limit slider, and the limit slider is movably arranged in the chute.

The above-mentioned external spring lotion pump is characterized in that a positioning groove is provided on the lower end surface of the positioning ring platform, and the upper end of the auxiliary spring is arranged in the positioning groove.

The external spring lotion pump as described above is characterized in that the lower pump rod includes a rod body, a sealing head is provided at the lower end of the rod body, a sealing ring groove is provided at the upper end of the sealing head, and a sealing ring groove is provided at the upper end of the sealing head. A sealing protruding ring is provided at a position corresponding to the plug and the sealing ring groove, and when the sealing protruding ring is inserted into the sealing ring groove, it is mutually sealed with the sealing head.

A spring external lotion pump as described above is characterized in that the pump chamber is provided with

The ventilation hole is closed by the suction plug when the suction plug is at the highest position.

A spring-mounted lotion pump as described above is characterized in that a gasket is provided inside the lock bottle cap.

A spring-mounted lotion pump as described above is characterized in that a liquid introduction tube is inserted into the liquid inlet.

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

1. In the present invention, the outer cap is connected to the locking bottle cap through the connecting mechanism, so that the outer cap will not be lost even after opening.

2. In the present invention, the return spring is placed outside, isolated from the liquid, and will not contact the liquid no matter in use or self-locking state, thus playing an environmental protection role.

3. The lotion pump of the present invention is ingenious in design, simple in structure and easy to use.

Description of drawings

The sectional structure schematic diagram of Fig. 1 the present invention;

Fig. 2 is the exploded schematic diagram of the present invention;

Fig. 3 is the schematic diagram of the first embodiment of the connecting mechanism;

Fig. 4 is a schematic diagram of a second embodiment of the connection mechanism.

detailed description

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

A kind of spring external lotion pump as shown in Fig. 1 to 4, comprises lock bottle cap 1, is provided with pump body mounting part 2 on the upper end of described lock bottle cap 1, is provided with in described pump body mounting part 2 The pump chamber 3 is provided with a liquid inlet 4 at the lower end of the pump chamber 3, and a pump bead 5 capable of closing the liquid inlet 4 is arranged in the liquid inlet 4, and an upper pump is arranged in the pump chamber 3. Rod 6, the upper end of the upper pump rod 6 extends out of the pump chamber 3, a button 7 is connected to the upper end of the upper pump rod 6, and a positioning ring platform 8 is arranged on the outer wall of the lower part of the upper pump rod 6. 3. The upper end is provided with a locking cover 9 that can prevent the upper pump rod 6 from running out of the pump chamber 3. A lower pump rod 10 is movably connected in the upper pump rod 6. Between the upper pump rod 6 and the lower pump rod 10 There is a suction plug 11 between them, the lower end of the suction plug 11 can form a seal with the lower pump rod 10, a secondary spring 12 is provided between the positioning ring platform 8 and the upper end of the suction plug 11, and the button 7 and the lock A main spring 13 is arranged between the tight covers 9 , and an outer convex connecting ring 14 is arranged on the pump chamber 3 outside the pump body installation part 2 , and an outer cover 15 is provided outside the outer convex connecting ring 14 .

In the present invention, a connection mechanism 16 is provided between the bottle lock cap 1 and the outer cover 15 to enable the outer cover 15 to be connected to the bottle lock cap 1 after being opened.

The first embodiment of the connecting mechanism 16 of the present invention includes an accommodating groove 17 arranged in the bottle lock cap 1, a spring 18 is arranged in the accommodating groove 17, and a spring 18 is connected to the upper end of the spring 18. An elastic cord 19 , one end of the elastic cord 19 is connected to the outer cover 15 .

In the second embodiment of the connection mechanism 16 described in the present invention, the connection mechanism 16 includes a slide groove 20 opened on the inner wall of the outer cover 15, and a connection bar 21 is provided on the outer convex connection ring 14. A limiting slider 22 is arranged on the end of the bar 21 , and the limiting slider 22 is movably arranged in the slide groove 20 .

In the present invention, a positioning groove 23 is provided on the lower end surface of the positioning ring platform 8 , and the upper end of the auxiliary spring 12 is arranged in the positioning groove 23 .

In the present invention, the lower pump rod 10 includes a rod body 24, a sealing head 25 is arranged at the lower end of the rod body 24, a sealing ring groove 26 is arranged at the upper end of the sealing head 25, and a sealing ring groove 26 is arranged at the upper end of the sealing head 25. The position corresponding to 26 is provided with a sealing protruding ring 27 , and when the sealing protruding ring 27 is inserted into the sealing ring groove 26 , it is mutually sealed with the sealing head 25 .

In the present invention, the pump chamber 3 is provided with a ventilation hole 28, and the ventilation hole 28 is closed by the suction plug 11 when the suction plug 11 is at the highest position.

In the present invention, a gasket 29 is arranged inside the bottle lock cap 1 . A liquid introduction tube 30 is inserted into the liquid inlet 4 .

working principle:

1. Pull out the outer cover;

2. When the button is pressed, it will overcome the spring force and move down. When the suction plug is against the pump chamber, the suction plug will continue to move down. The suction plug and the lower pump rod channel will be opened to discharge part of the gas in the pump chamber;

3. When the button is released, under the action of spring force, the suction plug and the channel of the lower pump rod are immediately sealed and continue to move upward together, forming a partial vacuum in the pump chamber, so that the liquid is sucked into the cavity of the pump chamber through the suction tube, and pressed several times in a row The liquid can be atomized through the fog point and pumped out.

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, and what described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention will also have other functions without departing from the spirit and scope of the present invention. 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 (9)

1. A spring external lotion pump, comprising a lock bottle cap (1), the upper end of the lock bottle cap (1) is provided with a pump body installation part (2), inside the pump body installation part (2) A pump chamber (3) is provided, a liquid inlet (4) is provided at the lower end of the pump chamber (3), and a pump bead ( 5), an upper pump rod (6) is provided in the pump chamber (3), the upper end of the upper pump rod (6) extends out of the pump chamber (3), and the upper end of the upper pump rod (6) is connected with Button (7), on the outer wall of the lower part of the upper pump rod (6) is provided with a positioning ring (8), on the upper end of the pump chamber (3) is provided with a ring to prevent the upper pump rod (6) from running out of the pump chamber (3) ) outside the locking cover (9), the lower pump rod (10) is movably connected in the upper pump rod (6), and the upper pump rod (6) and the lower pump rod (10) are provided with Suction plug (11), the lower end of the suction plug (11) can form a seal with the lower pump rod (10), and an auxiliary spring (12) is provided between the positioning ring platform (8) and the upper end of the suction plug (11) , a main spring (13) is provided between the button (7) and the locking cover (9), and a convex connecting ring ( 14), an outer cover (15) is provided outside the outer convex connecting ring (14). 2. A spring-mounted lotion pump according to claim 1, characterized in that a device is provided between the lock bottle cap (1) and the outer cover (15) to enable the outer cover (15) to be opened and connected to a Lock the connecting mechanism (16) on the bottle cap (1). 3. A spring-mounted lotion pump according to claim 2, characterized in that said connection mechanism (16) includes a storage tank (17) arranged in the bottle lock cap (1), in which A spring (18) is arranged in the slot (17), an elastic cord (19) is connected to the upper end of the spring (18), and one end of the elastic cord (19) is connected to the outer cover (15). 4. A spring-mounted lotion pump according to claim 2, characterized in that said connecting mechanism (16) includes a chute (20) provided on the inner wall of the outer cover (15), and the outer convex connecting ring (14) A connection bar (21) is provided, and a limit slider (22) is provided on the end of the connection bar (21), and the limit slider (22) is movably arranged on the chute (20) Inside. 5. A spring external lotion pump according to claim 1, characterized in that a positioning groove (23) is provided on the lower end surface of the positioning ring platform (8), and the upper end of the auxiliary spring (12) is set on in the positioning slot (23). 6. A spring-mounted lotion pump according to claim 1, characterized in that the lower pump rod (10) includes a rod body (24), and a sealing head (25) is provided at the lower end of the rod body (24) , a sealing ring groove (26) is provided at the upper end of the sealing head (25), and a sealing protruding ring (27) is provided at the corresponding position of the suction plug (11) and the sealing ring groove (26). When the sealing protruding ring (27) is plugged into the sealing ring groove (26), it is mutually sealed with the sealing head (25). 7. A spring-mounted lotion pump according to claim 1, characterized in that a ventilation hole (28) is provided on the pump chamber (3), and the suction plug (11) is replaced when it is at the highest position. Stoma (28) is closed by suction plug (11). 8. A spring-mounted lotion pump according to claim 1, characterized in that a gasket (29) is provided inside the lock bottle cap (1). 9. A spring-mounted lotion pump according to claim 1, characterized in that a liquid introduction tube (30) is inserted into the liquid inlet (4).