CN204624202U - A conveniently assembled lotion pump - Google Patents

Abstract

The utility model discloses an emulsion pump convenient to assemble, which comprises a pump chamber, wherein the outer wall of the upper part of the pump chamber is provided with an annular step, a bottle locking cover is sleeved on the pump chamber, the upper end of the pump chamber is provided with a locking cover capable of locking the bottle locking cover on the annular step, an upper pump rod is movably arranged in the pump chamber and is arranged in the locking cover, the upper end of the upper pump rod is connected with a bent mouth, the lower end of the upper pump rod is connected with a piston component, the lower part of the pump chamber is provided with a pump bead mechanism, a reset spring is arranged between the piston component and the pump bead mechanism, the lower end of the pump chamber is provided with a liquid inlet, the periphery of the outer side of the locking cover is provided with an upward convex ring, the inner side of the convex ring is provided with a positioning buckle, the lower end of the bent mouth is provided with a connecting buckle capable of locking the bent mouth on the locking, the connecting buckle is arranged on the pressing hand structure. The utility model discloses simple structure, curved mouth and locking cover locking connection are convenient.

Description

A conveniently assembled lotion pump

technical field

The utility model relates to a conveniently assembled 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. However, the existing lotion pump has many parts, complex structure, difficult manufacture, and high production cost. Moreover, due to the defects in the design of the existing lotion pump, the curved mouth and the locking cap are generally connected by threads, which is inconvenient to connect and troublesome to use. . Can not meet the needs of users.

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

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a conveniently assembled lotion pump with simple structure and convenient locking connection between the curved mouth and the locking cover.

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

A conveniently assembled lotion pump, comprising a pump chamber, an annular step is arranged on the outer wall of the upper part of the pump chamber, a bottle lock cap is sleeved on the pump chamber, and a bottle lock cap is provided at the upper end of the pump chamber. The cover is locked on the locking cover on the annular step. An upper pump rod is movable in the pump chamber, and the upper pump rod is arranged in the locking cover. A curved nozzle is connected to the upper end of the upper pump rod. A piston assembly is connected to the lower end of the upper pump rod, a pump bead mechanism is provided at the lower part of the pump chamber, a return spring is provided between the piston assembly and the pump bead mechanism, and a liquid inlet is provided at the lower end of the pump chamber , an upward protruding ring is provided on the outer periphery of the locking cover, a positioning buckle is provided on the inner side of the protruding ring, and a position that can lock the curved mouth is provided at the position corresponding to the positioning buckle at the lower end of the curved mouth. The connection buckle on the locking cover is provided with a hand position structure that can make the connection buckle break away from the positioning buckle when pressed by force on the curved mouth, and the connection buckle is arranged on the hand position structure superior.

A conveniently assembled lotion pump 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 the curved mouth seat is provided with the The liquid outlet channel communicated with the connecting inner ring, and the connecting inner ring is connected with the upper pump rod.

A lotion pump that is easy to assemble as described above is characterized in that the hand position structure includes pressing areas arranged on both sides of the elbow seat, and the thickness of the pressing area is smaller than the thickness of the elbow seat. The pressing area is provided with an outwardly protruding pressing position.

A lotion pump that is easy to assemble as described above is characterized in that the hand position structure includes pressing pieces arranged on both sides of the curved mouth seat, and the two sides of the pressing piece and the curved mouth seat are respectively provided with There is a notch that can make the pressing piece deform inwardly after being stressed, and an outwardly protruding pressing position is provided on the pressing piece.

A lotion pump that is easy to assemble as described above is characterized in that the locking cover includes a cover body, an inner connecting ring and an outer connecting ring are arranged on the cover body, and the protruding ring is arranged on the On the outer connecting ring, an annular connecting groove is provided between the protruding ring and the outer connecting ring, the lower end of the elbow seat is arranged in the annular connecting groove, and a There is an accommodating groove, the upper end of the pump chamber is set in the accommodating groove, a buckle wire is arranged at the upper end of the pump chamber, and a buckle groove is arranged inside the outer connecting ring, and the buckle wire is fastened to the In the buckle groove, a sealing ring capable of forming a dynamic seal with the upper pump rod is provided at the lower end of the inner connecting ring, and a ring groove is provided between the sealing ring and the inner connecting ring to facilitate the deformation of the sealing ring.

A conveniently assembled lotion pump as described above is characterized in that an inner plug is provided in the pump chamber, the outer wall of the inner plug is sealed with the inner wall of the pump chamber, and the inner plug is sleeved on the upper pump rod. Above, a sealing ring capable of sealing with the outer wall of the lower end of the upper pump rod or the outer wall of the connecting inner ring is arranged in the inner plug.

The conveniently assembled lotion pump as described above is characterized in that the diameter of the lower part of the upper pump rod is larger than the diameter of the upper part of the upper pump rod.

A lotion pump that is easy to assemble as described above is characterized in that the piston assembly includes a lower pump rod, a limiting part is provided at the lower end of the lower pump rod, and a limiting ring is provided on the outer wall of the upper pump rod. A piston is set in a movable sleeve between the limit ring and the limit part, a through hole communicating with the inner cavity of the lower pump rod is provided in the lower pump rod, and a gap is provided between the outer wall of the lower pump rod and the inner wall of the piston , when the piston is at the highest position, the bottom of the piston and the limiting part are sealed against each other.

A conveniently assembled lotion pump as described above is characterized in that a snap ring is provided on the outer wall of the upper end of the lower pump rod, and a positioning groove is provided on the inner wall of the upper pump rod at a position corresponding to the snap ring. The clasp is set in the positioning groove, an upper hook is arranged on the upper end of the upper pump rod, and a lower hook is arranged on the inner wall of the lower end of the curved mouth, and the upper hook is connected to the lower hook.

A lotion pump that is easy to assemble as described above is characterized in that the pump bead mechanism includes a pump bead chamber, a pump bead is provided in the pump bead chamber, and a preventive pump bead is installed at the lower end of the pump bead chamber. Falling into the limit connection step of the liquid inlet, a spring clamping platform is provided at the lower part of the pump chamber, a spring clamping groove is provided in the limiting part, and one end of the return spring is arranged in the spring clamping groove, The other end of the return spring is arranged on the spring clamping platform.

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

In the utility model, the curved mouth and the locking cover cooperate with each other through the connection buckle and the positioning buckle, so that the curved mouth can be quickly and conveniently locked on the locking cover, effectively preventing unnecessary trouble caused by mispressing, Safe and reliable.

Description of drawings

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

Fig. 2 is a schematic cross-sectional view of Fig. 1;

Fig. 3 is the schematic diagram of the second embodiment of the structure according to the hand position of the utility model;

Fig. 4 is the enlarged view of place A in Fig. 2;

FIG. 5 is an enlarged view of B in FIG. 2 .

Detailed ways

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

As shown in Figures 1 to 5, a conveniently assembled lotion pump includes a pump chamber 1, an annular step 2 is arranged on the upper outer wall of the pump chamber 1, and a locking bottle cap 3 is sleeved on the pump chamber 1 , the upper end of the pump chamber 1 is provided with a locking cap 4 capable of locking the bottle cap 3 on the annular step 2, and an upper pump rod 5 is movable in the pump chamber 1, and the upper pump rod 5 is set In the locking cover 4, a curved nozzle 6 is connected to the upper end of the upper pump rod 5, a piston assembly 8 is connected to the lower end of the upper pump rod 5, and a pump bead mechanism 9 is provided at the lower part of the pump chamber 1. A return spring 10 is provided between the piston assembly 8 and the pump bead mechanism 9, a liquid inlet 11 is provided at the lower end of the pump chamber 1, and an upward convex ring is provided on the outer periphery of the locking cover 4 12. A positioning buckle 13 is provided on the inner side of the convex ring 12, and a connecting buckle that can lock the curved mouth 6 on the locking cover 4 is provided at the position corresponding to the positioning buckle 13 at the lower end of the curved mouth 6 14. On the curved mouth 6, there is a hand position structure 15 that can make the connection buckle 14 detach from the positioning buckle 13 when pressed by force, and the connection buckle 14 is set on the hand position structure 15 .

The curved mouth 6 described in the utility model includes a curved mouth seat 16, and a connecting inner ring 17 is arranged in the curved mouth seat 16, and a connecting inner ring 17 is provided on the curved mouth seat 16. The connected liquid outlet channel 18, the connecting inner ring 17 is connected with the upper pump rod 5.

According to the first embodiment of the hand position structure 15 of the present utility model, the hand position structure 15 includes pressing areas 19 arranged on both sides of the elbow seat 16, and the thickness of the pressing area 19 is smaller than that of the elbow seat 16. thickness, and an outwardly protruding pressing position 20 is provided on the pressing area 19 . If it is necessary to release the elbow 6 from the lock cover 4, just press the pressing position 20, and the pressing position 20 is subjected to an external force to squeeze the pressing area 19. Since the thickness of the pressing area 19 is smaller than the thickness of the elbow seat 16, The pressing area 19 will be deformed inward, so that the connecting buckle 14 under the pressing area 19 is separated from the positioning buckle 13 , which is convenient to use. When it needs to be locked, it is only necessary to press the curved mouth 6 firmly, and the connecting buckle 14 can be snapped on the positioning buckle 13, and the locking of the curved mouth 6 is convenient, safe and reliable.

According to the second embodiment of the hand position structure 15 of the present utility model, the hand position structure 15 includes pressing pieces 21 arranged on both sides of the curved mouth seat 16, and on both sides of the pressing piece 21 and the bent mouth seat Between 16 are respectively provided with notches 22 which can make the pressing pieces 21 deform inwardly after being stressed, and the pressing pieces 21 are provided with outwardly protruding pressing positions 20 . If it is necessary to release the curved mouth 6 from the lock cover 4, just press the pressing position 20, and the pressing position 20 is subjected to an external force, and the pressing piece 21 is elastically deformed, so that the connecting buckle 14 below the pressing piece 21 is separated from the positioning card Buckle 13, easy to use. When it needs to be locked, it is only necessary to press the curved mouth 6 firmly, and the connecting buckle 14 can be snapped on the positioning buckle 13, and the locking of the curved mouth 6 is convenient, safe and reliable.

The locking cover 4 described in the utility model includes a cover body 23, and an inner connection ring 24 and an outer connection ring 25 are arranged on the cover body 23, and the convex ring 12 is arranged on the outer connection ring 25. An annular connecting groove 26 is provided between the protruding ring 12 and the outer connecting ring 25, the lower end of the elbow seat 16 is set in the annular connecting groove 26, and the inner connecting ring 24 and the outer connecting ring 25 An accommodating groove 27 is arranged between them, the upper end of the pump chamber 1 is arranged in the accommodating groove 27, a buckle wire 29 is arranged at the upper end of the pump chamber 1, and a buckle groove is arranged inside the outer connecting ring 25 28. The buckle wire 29 is buckled in the buckle groove 28, and the lower end of the inner connecting ring 24 is provided with a sealing ring 30 capable of forming a dynamic seal with the upper pump rod 5, and the sealing ring 30 is connected to the inner A ring groove 31 is provided between the rings 24 to facilitate the deformation of the sealing ring.

In the utility model, the lock cover and the pump chamber cooperate with each other through the buckle line 29 and the buckle groove 28. When assembling, the lock cover is forced down, and the buckle line 29 of the pump chamber just blocks the buckle groove of the lock cover 28, fasten each other.

In the utility model, an inner plug 32 is provided in the pump chamber 1, and the outer wall of the inner plug 32 is sealed with the inner wall of the pump chamber 1. The inner plug 32 is sleeved on the upper pump rod 5, and The inner plug 32 is provided with a sealing ring 47 capable of sealing with the outer wall of the lower end of the upper pump rod 5 or the outer wall of the connecting inner ring 17 .

The diameter of the lower part of the upper pump rod 5 described in the utility model is greater than the diameter of the upper part of the upper pump rod 5 . When the upper pump rod 5 moves down during use, there is a gap between the upper part of the upper pump rod 5 and the inner plug 32, so that ventilation can be performed. When the upper pump rod 5 rises to the highest position, the lower part of the upper pump rod 5 and the inner plug 32 are mutually sealed.

In the utility model, the piston assembly 8 includes a lower pump rod 7, a limit portion 34 is provided at the lower end of the lower pump rod 7, a limit ring 35 is arranged on the outer wall of the upper pump rod 5, and a limit ring 35 is arranged on the outer wall of the upper pump rod 5. A piston 36 is set movable between the limit portion 34, and a through hole 37 communicating with the inner cavity of the lower pump rod 7 is provided in the lower pump rod 7. Between the outer wall of the lower pump rod 7 and the inner wall of the piston 36 A gap 38 is provided, and when the piston 36 is at the highest position, the bottom of the piston 36 and the limiting portion 34 are sealed against each other.

In the utility model, a snap ring 39 is provided on the outer wall of the upper end of the lower pump rod 7, and a positioning groove 40 is provided on the inner wall of the upper pump rod 5 corresponding to the snap ring 39, and the snap ring 39 is snapped on In the positioning groove 40, an upper hook 41 is provided on the upper end of the upper pump rod 5, and a lower hook 33 is arranged on the inner wall of the lower end of the curved mouth 6, and the upper hook 41 is snapped on the lower hook 33. superior.

The pump bead mechanism 9 described in the utility model includes a pump bead chamber 42, a pump bead 43 is arranged in the pump bead chamber 42, and a pump bead 43 is provided at the lower end of the pump bead chamber 42 to prevent the pump bead 43 from falling into the liquid. The limit connection step 44 of the mouth 11 is provided with a spring card platform 45 at the bottom of the pump chamber 1, and a spring card groove 46 is provided in the limit part 34, and one end of the return spring 10 is arranged on the spring card In the groove 46 , the other end of the return spring 10 is arranged on the spring clamping platform 45 .

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. an emulsion pumps easy to assembly, it is characterized in that: include pump chamber (1), ring-shaped step (2) is provided with in described pump chamber (1) external wall of upper portion, described pump chamber (1) is arranged with lock bottle cap (3), the tightening cover (4) that lock bottle cap (3) can be locked on ring-shaped step (2) is provided with in described pump chamber (1) upper end, upper pump rod (5) is movably set with in described pump chamber (1), described upper pump rod (5) is arranged in described tightening cover (4), pump rod (5) upper end is connected with curved mouth (6) on described, pump rod (5) lower end is connected with piston component (8) on described, Beng Zhu mechanism (9) is provided with in described pump chamber (1) bottom, retracing spring (10) is provided with between described piston component (8) and Beng Zhu mechanism (9), inlet (11) is provided with in described pump chamber (1) lower end, described tightening cover (4) outer periphery is provided with bulge loop (12) upwards, locating fastener (13) is provided with in described bulge loop (12) inner side, described curved mouth (6) lower end and the corresponding position of locating fastener (13) are provided with the connection buckle (14) that curved mouth (6) can be locked on tightening cover (4), described curved mouth (6) is provided with stressed pressing time can make connection buckle (14) depart from locating fastener (13) by hand bit architecture (15), by on hand bit architecture (15) described in described connection buckle (14) is arranged on.

2. a kind of emulsion pumps easy to assembly according to claim 1, it is characterized in that described curved mouth (6) includes curved mouth seat (16), be provided with in described curved mouth seat (16) and connect inner ring (17), described curved mouth seat (16) is provided with and the described liquid outlet channel (18) being connected inner ring (17) and being connected, described connection inner ring (17) is connected with upper pump rod (5).

3. a kind of emulsion pumps easy to assembly according to claim 2, include the pressing area (19) be arranged on curved mouth seat (16) both sides by hand bit architecture (15) described in it is characterized in that, the thickness of described pressing area (19) is less than the thickness of curved mouth seat (16), and described pressing area (19) is provided with outwardly pressing position (20).

4. a kind of emulsion pumps easy to assembly according to claim 2, include the pressing tablet (21) be arranged on curved mouth seat (16) both sides by hand bit architecture (15) described in it is characterized in that, be respectively equipped with between described pressing tablet (21) both sides and curved mouth seat (16) and pressing tablet (21) can be made the stressed rear short slot to inner side deformation (22), described pressing tablet (21) is provided with outwardly pressing position (20).

5. a kind of emulsion pumps easy to assembly according to claim 2, it is characterized in that described tightening cover (4) includes lid (23), described lid (23) is provided with interior coupling link (24) and outer coupling link (25), described bulge loop (12) is arranged on described outer coupling link (25), annular link slot (26) is provided with between described bulge loop (12) and outer coupling link (25), described curved mouth seat (16) lower end is arranged in described annular link slot (26), storage tank (27) is provided with between described interior coupling link (24) and outer coupling link (25), described pump chamber (1) upper end is arranged in described storage tank (27), button line (29) is provided with in described pump chamber (1) upper end, catching groove (28) is provided with in described outer coupling link (25) inner side, described button line (29) snaps onto in described catching groove (28), the seal ring (30) that can seal with upper pump rod (5) formative dynamics is provided with in described interior coupling link (24) lower end, the annular groove (31) being convenient to seal ring deformation is provided with between described seal ring (30) and interior coupling link (24).

6. a kind of emulsion pumps easy to assembly according to claim 2, it is characterized in that being provided with interior plug (32) in described pump chamber (1), mutually seal at described interior plug (32) outer wall and pump chamber (1) inwall, described interior plug (32) is set on described upper pump rod (5), be provided with in described interior plug (32) and with upper pump rod (5) lower end outer wall or can be connected the seal ring (47) that inner ring (17) outer wall seals mutually, the diameter of described upper pump rod (5) bottom is greater than the diameter on pump rod (5) top.

7. a kind of emulsion pumps easy to assembly according to claim 1, it is characterized in that piston component (8) includes lower pump rod (7), limiting section (34) is provided with in described lower pump rod (7) lower end, pump rod (5) outer wall is provided with spacing ring (35) on described, between described spacing ring (35) and limiting section (34), movable sleeve is provided with piston (36), the through hole (37) with lower pump rod (7) inner space is provided with in described lower pump rod (7), gap (38) is provided with between described lower pump rod (7) outer wall and piston (36) inwall, mutually seal between piston (36) bottom and limiting section (34) when described piston (36) is in most significant bit.

8. a kind of emulsion pumps easy to assembly according to claim 7, it is characterized in that being provided with snap ring (39) on the outer wall of described lower pump rod (7) upper end, pump rod (5) inwall and the corresponding position of snap ring (39) are provided with positioning groove (40) on described, described snap ring (39) is fastened in described positioning groove (40), upper clamping hook (41) is provided with in upper pump rod (5) upper end, be provided with lower snap fit (33) at described curved mouth (6) lower end inner wall, described upper clamping hook (41) is connected on described lower snap fit (33).

9. a kind of emulsion pumps easy to assembly according to claim 1, it is characterized in that described Beng Zhu mechanism (9) includes pump pearl room (42), pump pearl (43) is provided with in described pump pearl room (42), the spacing connection step (44) preventing pump pearl (43) from falling into inlet (11) is provided with in described pump pearl room (42) lower end, spring chuck (45) is provided with in described pump chamber (1) bottom, spring card slot (46) is provided with in described limiting section (34), described retracing spring (10) one end is arranged in described spring card slot (46), described retracing spring (10) other end is arranged on described spring chuck (45).