CN204473473U - A kind of emulsion pumps with sealing small column - Google Patents

Abstract

The utility model discloses an emulsion pump with a small sealed cylinder, which is characterized in that it includes a pump chamber, and a locking cap capable of locking the bottle cap on the pump chamber is plugged into the pump chamber. There is an upper pump rod in the pump chamber, a curved mouth is arranged at the upper end of the upper pump rod, a suction plug mechanism is arranged at the lower part of the upper pump rod, and a device is provided between the locking cover and the upper pump rod to make the upper pump rod The return spring for the pump rod reset is provided with a pump bead mechanism at the lower part of the pump chamber, and a fixed seat is provided in the pump chamber above the pump bead mechanism, and the fixed seat is respectively connected with the cavity of the pump chamber and the pump bead mechanism , the lower end of the upper pump rod is provided with a small cylinder capable of sealing the fixed seat so as to prevent liquid leakage when inverted or under pressure, and a liquid inlet is provided at the lower end of the pump chamber. The purpose of this utility model is to provide a kind of emulsion pump with sealed small cylinder, which is simple in structure, easy to use, easy to assemble, and can effectively prevent the bottle from leaking when it is inverted or squeezed.

Description

A lotion pump with a sealed small cylinder

technical field

The utility model relates to an emulsion pump with a small sealed cylinder.

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 due to design defects, when the existing lotion pump is in use, when the bottle body is inverted or squeezed, it is easy to leak, causing unnecessary troubles .

Therefore, the existing lotion pump 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 kind of emulsion pump with small sealing cylinder which is simple in structure, easy to use, convenient to assemble, and can effectively prevent the bottle from leaking when it is inverted or squeezed. .

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

A lotion pump with a sealed small cylinder is characterized in that it includes a pump chamber, a locking cap capable of locking the bottle cap on the pump chamber is plugged into the pump chamber, and an upper bottle cap is arranged in the pump chamber. The pump rod is provided with a curved nozzle at the upper end of the upper pump rod, a suction plug mechanism is provided at the lower part of the upper pump rod, and a reset device for resetting the upper pump rod is provided between the locking cover and the upper pump rod. The spring is provided with a pump bead mechanism at the bottom of the pump chamber, and a fixing seat is arranged in the pump chamber above the pump bead mechanism, and the described fixing seat is connected with the pump chamber chamber and the pump bead mechanism respectively, and The lower end of the pump rod is provided with a small cylinder capable of closing the fixed seat so as to prevent liquid leakage when inverted or under pressure, and a liquid inlet is provided at the lower end of the pump chamber.

A lotion pump with a sealed small cylinder as described above is characterized in that the fixed seat includes a seat body, the outer wall of the seat and the inner wall of the pump are mutually sealed, and a communication channel is provided in the seat body, so The lower end of the seat body is connected with the pump bead mechanism, and an anti-leakage ring is provided at the upper end of the seat body. The o-rings seal against each other.

A lotion pump with a sealed small cylinder as described above is characterized in that the locking cover includes a cover, and an inner connecting ring and an outer connecting ring are arranged on the cover, and the inner connecting ring An accommodating groove is provided between the outer connecting ring and the upper end of the pump chamber is set in the accommodating groove, and a snap-in groove is provided on the outer wall of the outer connecting ring, and a snap-in groove is provided between the outer wall of the pump chamber and the snap-in groove A snap ring is provided at the corresponding position, and the snap ring is snapped in the snap groove, and a concave sealing part capable of sealing with the outer wall of the upper pump rod is provided at the lower end of the inner connecting ring, so that A ring groove is provided between the inner concave sealing part and the inner connecting ring, and a limiting convex ring is provided on the upper end of the upper pump rod. The return spring is sleeved on the upper pump rod, and one end of the return spring presses On the lower end surface of the limiting convex ring, the other end of the return spring is arranged in the ring groove.

A lotion pump with a small sealed cylinder as described above is characterized in that the suction plug mechanism includes a limit step and a positioning convex ring arranged at intervals on the lower part of the upper pump rod. The outer wall of the upper pump rod between the convex rings is provided with a slot, and the outer wall of the upper pump rod is provided with a conduction hole connected with the slot, which moves between the limiting step and the positioning convex ring. A suction plug is sleeved, and an inner convex sealing ring which is mutually sealed with the positioning convex ring is arranged at the lower end of the suction plug.

A lotion pump with a sealed small cylinder as described above is characterized in that the suction plug includes an inner plug body and an outer plug body, the inner plug body and the outer plug body are connected by a connecting ring, and the inner plug body The plug body is sheathed on the upper pump rod, and the inner convex sealing ring is arranged at the lower end of the inner plug body.

A lotion pump with a sealed small cylinder as described above is characterized in that an annular sealing groove is provided at the lower end of the concave sealing part, and the upper end of the inner plug body is sealed at the upper end when the upper pump rod is raised to the highest position. Inside the annular sealing groove.

A lotion pump with a sealed small cylinder as described above is characterized in that the curved mouth includes a curved mouth seat, a connecting inner ring is arranged in the curved mouth seat, and a connecting inner ring is arranged on the curved mouth seat. The liquid outlet channel connected to the connecting inner ring is provided with an outer convex buckle line on the outer wall of the connecting inner ring, and a buckle groove is provided on the inner wall of the upper end of the upper pump rod corresponding to the outer convex buckle line. The outer convex buckle wire is fastened in the buckle groove.

A lotion pump with a sealed small cylinder as described above is characterized in that a connecting thread is provided on the outer wall of the elbow seat, and a screw thread is provided in the locking cover. When the elbow is locked, the connecting thread screwed into the screw thread.

A lotion pump with a sealed small cylinder as described above is characterized in that the pump bead mechanism includes a pump bead chamber communicated with the liquid inlet, a pump bead is arranged in the pump bead chamber, and a pump bead is arranged in the pump bead chamber. The lower end of the bead chamber is provided with a positioning groove, the fixing seat is inserted into the positioning groove, and the lower end of the pump bead chamber is provided with a positioning step which can prevent the pump beads from falling into the liquid inlet.

A lotion pump with a sealed small cylinder as described above is characterized in that a connecting boss is provided on the outer wall of the upper end of the pump chamber, and a locking bottle cap is provided between the connecting boss and the locking cap. Gaskets are sheathed on the outer wall of the pump below the connecting boss, and a liquid introduction pipe is sheathed on the liquid inlet.

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

1. In the utility model, a fixed seat is provided at the lower part of the pump chamber, and an anti-leak ring is arranged at the upper part of the fixed seat. When the lotion pump is locked, the small cylinder at the lower end of the upper pump rod cooperates with the inner wall of the anti-leak ring, resulting in excessive leakage. The full seal can effectively prevent liquid leakage when the bottle is turned upside down or squeezed, which is safe and reliable.

2. The emulsion pump of the utility model has the advantages of ingenious design, simple structure and convenient use.

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 enlarged view of place A in Fig. 2;

FIG. 4 is an enlarged view at B in FIG. 2 .

Detailed ways

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

A lotion pump with a sealed small cylinder as shown in Figures 1 to 4, includes a pump chamber 1, and a locking cap capable of locking the bottle cap 2 on the pump chamber 1 is plugged into the pump chamber 1 3. An upper pump rod 4 is provided in the pump chamber 1, a curved nozzle 5 is provided at the upper end of the upper pump rod 4, a suction plug mechanism 6 is provided at the lower part of the upper pump rod 4, and a locking mechanism 6 is provided at the upper end of the upper pump rod 4. A return spring 7 capable of resetting the upper pump rod 4 is provided between the cover 3 and the upper pump rod 4, and a pump bead mechanism 8 is provided at the bottom of the pump chamber 1, and in the pump chamber 1 above the pump bead mechanism 8 A fixed seat 9 is provided, and the fixed seat 9 communicates with the inner cavity of the pump chamber 1 and the pump bead mechanism 8 respectively, and a fixed seat 9 is provided at the lower end of the upper pump rod 4 to prevent inversion or pressure. A small cylinder 10 that leaks from time to time is provided with a liquid inlet 11 at the lower end of the pump chamber 1 .

The fixing seat 9 described in the utility model includes a seat body 12, the outer wall of the seat body 12 is sealed with the inner wall of the pump chamber 1, and a communication passage 13 is provided in the seat body 12, and the lower end of the seat body 12 is connected to the inner wall of the pump chamber 1. The pump bead mechanism 8 is connected to each other, and the upper end of the seat body 12 is provided with an O-ring 14. When the upper pump rod 4 moves down to the bottom position, the small cylinder 10 is inserted into the O-ring 14 and It is mutually sealed with the o-ring 14.

In the utility model, when the emulsion pump is locked, the small cylinder at the lower end of the upper pump rod cooperates with the inner wall of the leak-proof ring to form an interference seal, which effectively prevents liquid leakage when the bottle body is inverted or squeezed, and is safe and reliable.

The lock cover 3 described in the utility model includes a cover body 15, an inner connecting ring 16 and an outer connecting ring 17 are arranged on the cover body 15, and an inner connecting ring 16 and an outer connecting ring 17 are arranged There is an accommodating groove 18, the upper end of the pump chamber 1 is arranged in the accommodating groove 18, a snap-fit groove 19 is provided on the outer wall of the outer connecting ring 17, and a snap-fit groove 19 is arranged on the outer wall of the pump chamber 1 and the snap-fit groove 19 A snap ring 20 is provided at the corresponding position, and the snap ring 20 is snapped into the snap groove 19, and an inner ring capable of sealing with the outer wall of the upper pump rod 4 is provided at the lower end of the inner connecting ring 16. A concave sealing part 21, a ring groove 22 is provided between the inner concave sealing part 21 and the inner connecting ring 16, a limiting convex ring 23 is provided at the upper end of the upper pump rod 4, and the return spring 7 is sleeved on the On the upper pump rod 4 , one end of the return spring 7 presses against the lower end surface of the limiting convex ring 23 , and the other end is arranged in the ring groove 22 .

The return spring 7 described in the utility model is arranged between the upper pump rod 4 and the locking cover 3, does not contact with the liquid in the pump chamber 1, does not pollute the liquid, and is environmentally friendly.

In the utility model, the suction plug mechanism 6 includes a spacer step 24 and a positioning convex ring 39 arranged at intervals on the lower part of the upper pump rod 4, and the upper pump between the spacer step 24 and the positioning convex ring 39 The outer wall of the rod 4 is provided with a slot 25, and the outer wall of the upper pump rod 4 is provided with a conduction hole 26 communicating with the slot 25, which moves between the limiting step 24 and the positioning convex ring 39. A suction plug 27 is sheathed, and an inner convex sealing ring 28 that is mutually sealed with the positioning convex ring 39 is provided at the lower end of the suction plug 27 .

The suction plug 27 described in the utility model includes an inner plug body 29 and an outer plug body 30, the inner plug body 29 and the outer plug body 30 are connected by a connecting ring 31, and the inner plug body 29 is sleeved on the upper On the pump rod 4 , the inner convex sealing ring 28 is arranged at the lower end of the inner plug body 29 .

In the present utility model, an annular sealing groove 32 is provided at the lower end of the concave sealing portion 21 , and the upper end of the inner plug body 29 is sealed in the annular sealing groove 32 when the upper pump rod 4 rises to the highest position.

The curved nozzle 5 in the utility model includes a curved nozzle seat 33, and a connecting inner ring 34 is arranged in the curved nozzle seat 33, and a connecting ring 34 is provided on the curved nozzle seat 33 to communicate with the connecting inner ring 34. The liquid outlet channel 35 is provided with an outer convex buckle line 36 on the outer wall of the connecting inner ring 34, and a buckle groove 37 is provided on the inner wall of the upper end of the upper pump rod 4 corresponding to the outer convex buckle line 36. The convex buckle wire 36 is fastened in the buckle groove 37 . The connection between the curved mouth 5 and the upper pump rod 4 of the utility model is convenient and quick.

In the utility model, a connecting thread 38 is provided on the outer wall of the curved mouth seat 33, and a screw thread 40 is arranged in the locking cover 3. When the curved mouth 5 is locked, the connecting thread 38 is screwed on the screw thread. Thread 40 inside.

The pump bead mechanism 8 described in the utility model includes a pump bead chamber 41 connected with the liquid inlet 11, a pump bead 42 is arranged in the pump bead chamber 41, and a positioning valve is provided at the lower end of the pump bead chamber 41. Groove 43 , the fixing seat 9 is inserted into the positioning groove 43 , and a positioning step 44 is provided at the lower end of the pump bead chamber 41 to prevent the pump bead 42 from falling into the liquid inlet 11 .

In the utility model, a connecting boss 45 is arranged on the outer wall of the upper end of the pump chamber 1, and a bottle lock cap 2 is arranged between the connecting boss 45 and the locking cap 3. The pump below the connecting boss 45 A gasket 46 is sheathed on the outer wall of the chamber 1 , and a liquid introduction pipe 47 is sheathed on the liquid inlet 11 .

Working principle of the utility model:

1. When in use, turn the curved mouth 27 degrees counterclockwise to open and pop up;

2. Press the elbow, move down against the elastic force of the return spring, and the suction plug lags behind. The channel between the suction plug and the upper pump rod is opened, and continues to move down to move the local gas in the pump chamber from between the suction plug and the upper pump rod. When the elbow is released, it will be reset immediately under the elastic force of the return spring, and the channel between the suction plug and the upper pump rod will be sealed instantly. At this time, a partial vacuum is formed in the pump chamber, and the liquid can be introduced from the suction pipe. Pump chamber, press several times continuously to fill the pump chamber with liquid;

3. When pressed again, the liquid in the inner chamber of the pump can be pumped out from the curved mouth hole.

The utility model has the advantages of simple structure and convenient use.

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 art 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 (9)

1. A lotion pump with a sealed small cylinder, characterized in that: a pump chamber (1) is included, and a bottle cap (2) that can be locked in the pump chamber (1) is plugged in the pump chamber (1). ) on the locking cover (3), the upper pump rod (4) is provided in the pump chamber (1), the upper end of the upper pump rod (4) is provided with a curved mouth (5), and the upper A suction plug mechanism (6) is provided at the lower part of the pump rod (4), and a return spring (7) that can reset the upper pump rod (4) is provided between the locking cover (3) and the upper pump rod (4) , a bead pump mechanism (8) is provided at the bottom of the pump chamber (1), and a fixed seat (9) is provided in the pump chamber (1) above the bead pump mechanism (8), and the fixed seat ( 9) communicate with the inner cavity of the pump chamber (1) and the pump bead mechanism (8) respectively, and the lower end of the upper pump rod (4) is provided with a seal that can close the fixed seat (9) so as to prevent leakage when inverted or under pressure. The small cylinder (10) of the liquid is provided with a liquid inlet (11) at the lower end of the pump chamber (1). 2. A kind of lotion pump with sealed small cylinder according to claim 1, characterized in that said fixed seat (9) includes a seat body (12), and the outer wall of said seat body (12) is in contact with the pump chamber ( 1) The inner walls are mutually sealed, and a communicating channel (13) is provided in the seat body (12), the lower end of the seat body (12) communicates with the pump bead mechanism (8), and the upper end of the seat body (12) A leak-proof ring (14) is provided, and when the upper pump rod (4) moves down to the bottom position, the small cylinder (10) is inserted into the leak-proof ring (14) and connected with the leak-proof ring (14) ) are mutually sealed. 3. A lotion pump with a sealed small cylinder according to claim 1, characterized in that said locking cover (3) includes a cover body (15), on which a An inner connection ring (16) and an outer connection ring (17), an accommodating groove (18) is provided between the inner connection ring (16) and the outer connection ring (17), and the upper end of the pump chamber (1) is provided In the accommodating groove (18), a clamping groove (19) is provided on the outer wall of the outer connecting ring (17), and at the position corresponding to the clamping groove (19) on the outer wall of the pump chamber (1) A clamping ring (20) is provided on the top, and the clamping ring (20) is clamped in the clamping groove (19), and the lower end of the inner connecting ring (16) is provided with the upper pump rod ( 4) The inner concave sealing part (21) whose outer walls are mutually sealed, and a ring groove (22) is provided between the inner concave sealing part (21) and the inner connecting ring (16), and the upper end of the upper pump rod (4) A limiting protruding ring (23) is provided, the return spring (7) is sleeved on the upper pump rod (4), and one end of the returning spring (7) is pressed under the limiting protruding ring (23) On the end face, the other end of the return spring (7) is arranged in the ring groove (22). 4. A lotion pump with a sealed small cylinder according to claim 3, characterized in that the suction plug mechanism (6) includes a limit step (24) arranged at intervals on the lower part of the upper pump rod (4) ) and positioning convex ring (39), on the outer wall of the upper pump rod (4) between the limit step (24) and the positioning convex ring (39) is provided with a slot (25), in the upper pump rod (4) The outer wall is provided with a conduction hole (26) connected with the slot (25), and a suction plug ( 27), the lower end of the suction plug (27) is provided with an inner convex sealing ring (28) which is mutually sealed with the positioning convex ring (39). 5. A kind of lotion pump with sealed small cylinder according to claim 4, characterized in that said suction plug (27) includes an inner plug body (29) and an outer plug body (30), and said inner plug body The plug body (29) and the outer plug body (30) are connected by a connecting ring (31), the inner plug body (29) is sleeved on the upper pump rod (4), and the inner convex sealing ring (28) is set At the lower end of the inner plug body (29). 6. A lotion pump with a sealed small cylinder according to claim 5, characterized in that an annular sealing groove (32) is provided at the lower end of the concave sealing part (21), and the upper pump rod (4) When rising to the highest position, the upper end of the inner plug body (29) is sealingly arranged in the annular sealing groove (32). 7. A lotion pump with a sealed small cylinder according to claim 1, characterized in that said elbow (5) includes an elbow seat (33), and inside said elbow seat (33) there is Connecting the inner ring (34), a liquid outlet channel (35) communicating with the connecting inner ring (34) is provided on the elbow seat (33), and a liquid outlet channel (35) is provided on the outer wall of the connecting inner ring (34). There is an outer convex buckle line (36), and a buckle groove (37) is provided on the inner wall of the upper end of the upper pump rod (4) corresponding to the outer convex buckle line (36), and the outer convex buckle line (36) is buckled In the buckle groove (37), a connecting thread (38) is provided on the outer wall of the curved mouth seat (33), and a screw thread (40) is provided in the lock bottle cap (2), and the curved mouth ( 5) When locking, the connecting thread (38) is screwed into the screw thread (40). 8. A kind of lotion pump with sealed small cylinder according to claim 1, characterized in that said pump bead mechanism (8) includes a pump bead chamber (41) communicated with the liquid inlet (11), The pump bead chamber (41) is provided with a pump bead (42), and a positioning groove (43) is provided at the lower end of the pump bead chamber (41), and the fixing seat (9) is inserted into the positioning groove ( 43), a positioning step (44) is provided at the lower end of the pump bead chamber (41) to prevent the pump bead (42) from falling into the liquid inlet (11). 9. A lotion pump with a sealed small cylinder according to claim 1, characterized in that a connecting boss (45) is provided on the outer wall of the upper end of the pump chamber (1), and on the connecting boss (45) A bottle lock cap (2) is provided between the locking cap (3), and a gasket (46) is set on the outer wall of the pump chamber (1) below the connecting boss (45), (11) upper cover is provided with liquid-inducing pipe (47).