CN203635393U - Atomizing pump with dustproof cover - Google Patents

Abstract

The utility model discloses a spray pump with a dustproof cover, which comprises a combination cover, a pump body assembly is arranged inside the combination cover, a button capable of driving the pump body assembly is arranged on the upper part of the pump body assembly, and a pump body assembly is arranged on the combination cover. There is a connecting protruding ring, and a dust-proof cover is provided outside the connecting protruding ring, and the button is set in the dust-proof cover. The pump body assembly includes a pump chamber, and a locking cover on the upper inner wall of the pump chamber. On the upper pump rod, there is a limit step on the upper pump rod, the button is connected to the upper pump rod, a piston is sleeved on the outer wall of the upper pump rod under the limit step, and an auxiliary spring is set between the piston and the limit step , the auxiliary spring is sleeved on the upper pump rod, the lower pump rod is arranged in the pump chamber below the upper pump rod, the positioning step is arranged at the lower part of the pump chamber, the main spring is arranged between the lower pump rod and the positioning step, and the pump chamber The lower part has pump beads. The object is to provide a spray pump with a dust-proof cover, which is simple in structure, dust-proof and hygienic, quick to pump, relatively stable in discharge volume.

Description

A spray pump with dust cover

technical field

The utility model relates to a spray pump with a dustproof cover.

Background technique

Due to its exquisite design and convenient use, the spray pump has been widely used in daily chemical and pharmaceutical industries. 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.

Therefore, the existing spray 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 spray pump with a dust-proof cover, which is simple in structure, dust-proof and hygienic, quick to pump, and relatively stable in ejection volume.

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

A spray pump with a dust-proof cover, including a combination cover, characterized in that: a pump body assembly is arranged inside the combination cover, and a button capable of driving the pump body assembly is arranged on the upper part of the pump body assembly. A connecting protruding ring is provided on the combination cover, and a dust cover is provided outside the connecting protruding ring, and the button is arranged in the dust cover, and the pump body assembly includes a pump chamber, and the The locking cover on the inner wall of the upper part of the pump chamber is provided with an upper pump rod inside the locking cover, and a limit step is arranged on the upper pump rod, and the upper pump rod on the upper part of the limit step extends out of the Combined with the cover, the upper pump rod at the lower part of the limiting step is set in the combined cover, the button is connected to the upper pump rod, and a piston is sleeved on the outer wall of the upper pump rod under the limiting step. An auxiliary spring is provided between the piston and the limit step, and the auxiliary spring is sleeved on the upper pump rod, and a lower pump rod is arranged in the pump chamber below the upper pump rod, and a positioning Steps, a main spring is arranged between the lower pump rod and the positioning step, and pump beads are arranged at the lower part of the pump chamber.

A spray pump with a dust-proof cover as described above is characterized in that a positioning projection is provided on the locking cover, a positioning hole is provided at the upper end of the pump chamber, and the positioning projection is arranged in the positioning hole Inside.

A spray pump with a dust-proof cover as described above is characterized in that the pump chamber includes a first pump area, and a second pump area is provided below the first pump area, and the inner diameter of the second pump area is smaller than that of the first pump area. The inner diameter of a pump area, a first connection part is provided between the first pump area and the second pump area, and a third pump area is connected to the lower end of the second pump area, the inner diameter of the third pump area Smaller than the inner diameter of the second pump area, a second connecting portion is provided between the second pump area and the third pump area, and the positioning step is arranged below the third pump area.

A spray pump with a dust-proof cover as described above is characterized in that the combination cover includes a cover body, and a convex connection part is provided on the upper end surface of the cover body, and a The installation hole, the upper pump rod is set in the installation hole, the connecting convex ring is arranged on the outer side of the convex connection part, the positioning convex ring is arranged on the inner wall of the convex connection part, and the outer wall of the first pump area A limiting convex ring is arranged on the top, and the limiting convex ring is clamped on the positioning convex ring.

A spray pump with a dust-proof cover as described above is characterized in that the button includes a button seat, an outlet is provided on the button seat, and a fog point is provided on the outlet.

A spray pump with a dust-proof cover as described above is characterized in that the lower pump rod includes a lower pump rod body that can be inserted into the inner cavity of the upper pump rod body, and a sealing head is provided on the lower end of the lower pump rod body.

A spray pump with a dust-proof cover as described above is characterized in that a gasket is provided in the combined cover.

A spray pump with a dust-proof cover as described above is characterized in that a liquid introduction pipe is connected to the lower end of the pump chamber.

A spray pump with a dust-proof cover as described above is characterized in that a connecting thread is provided in the combined cover.

A spray pump with a dust-proof cover as described above is characterized in that a positioning groove is provided on the lower end surface of the combination cover.

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

1. The structure of the utility model is simple. There is a pump body assembly inside the coupling cover, a button is provided on the upper part of the pump body assembly, a connecting convex ring is provided on the coupling cover, and a dustproof cover is provided outside the connecting convex ring to effectively prevent Contaminants such as dust enter the button, ensuring the hygiene of the spray pump.

2. The utility model is provided with a fog point on the outlet of the button seat, which effectively ensures the spraying effect.

3. The pump body assembly in the utility model adopts a double spring design, so that the sprayer of the utility model starts the pump 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 exploded schematic diagram of Fig. 1;

Fig. 3 is a schematic cross-sectional view in Fig. 1;

Fig. 4 is the enlarged view of place A in Fig. 3;

Fig. 5 is the schematic diagram of locking cover in the utility model;

Fig. 6 is the schematic diagram of the lower pump rod of the present invention;

Fig. 7 is the schematic diagram of the utility model pump room;

Fig. 8 is a schematic diagram of the combined cover of the present invention.

Detailed ways

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

A spray pump with a dust-proof cover as shown in Figures 1 to 3, includes a combination cover 1, a pump body assembly 2 is arranged inside the combination cover 1, and a pump body that can drive a pump is arranged on the top of the pump body assembly 2. The working button 3 of the body assembly 2 is provided with a connecting protruding ring 15 on the combined cover 1, and a dustproof cover 4 is provided outside the connecting protruding ring 15, and the described button 3 is arranged in the dustproof cover 4 , the pump body assembly 2 includes a pump chamber 21, a locking cover 22 on the upper inner wall of the pump chamber 21, the pump body assembly 2 includes a pump chamber 21, and the pump chamber 21 The upper inner wall is provided with a locking cover 22, and an upper pump rod 23 is arranged in the locking cover 22, and a limit step 24 is arranged on the upper pump rod 23, and the upper pump rod on the upper part of the limit step 24 23 protrudes from the combination cover 1, the upper pump rod 23 at the lower part of the limit step 24 is set in the combination cover 1, the nozzle button 3 is connected to the upper pump rod 23, and the upper pump rod 23 under the limit step 24 A piston 25 is sheathed on the outer wall of the upper pump rod 23, and an auxiliary spring 26 is arranged between the piston 25 and the limit step 24. The auxiliary spring 26 is sleeved on the upper pump rod 23, and the upper pump The pump chamber 21 below the rod 23 is provided with a lower pump rod 27, a positioning step 28 is provided at the bottom of the pump chamber 21, and a main spring 29 is arranged between the lower pump rod 27 and the positioning step 28. The lower part of the pump chamber 21 is provided with a pump bead 210 . In the utility model, the dustproof cover 4 effectively prevents pollutants such as dust from entering the button 3, thereby ensuring the sanitation of the spray pump.

The lower pump rod 27 in the utility model includes a lower pump rod body 271 that can be inserted into the inner cavity of the upper pump rod 23 , and a sealing head 272 is provided on the lower end of the lower pump rod body 271 .

As shown in Figures 5 and 7, in the utility model, a positioning projection 221 is provided on the locking cover 22, a positioning hole 216 is provided at the upper end of the pump chamber 21, and the positioning projection 221 is arranged on the positioning Inside the hole 216.

As shown in Figures 2, 3, 4 and 7, the pump chamber 21 in the utility model includes a first pump area 211, and a second pump area 212 is provided below the first pump area 211. The second pump area The inner diameter of 212 is smaller than the inner diameter of the first pump area 211, a first connection part 213 is provided between the first pump area 211 and the second pump area 212, and a third pump is connected to the lower end of the second pump area 212 area 214, the inner diameter of the third pump area 214 is smaller than the inner diameter of the second pump area 212, a second connecting portion 215 is provided between the second pump area 212 and the third pump area 214, and the positioning step 28 is arranged below said third pumping zone 214 .

As shown in Figures 1, 2, 3, 4 and 8, the combination cover 1 in the present invention includes a cover body 11, and an outer convex connecting portion 12 is provided on the upper end surface of the cover body 11, and A mounting hole 13 is provided in the middle of the convex connecting part 12, and the upper pump rod 23 is arranged in the mounting hole 13, and a positioning convex ring 14 is provided on the inner wall of the external convex connecting part 12, and in the first pump area 211 A limiting convex ring 2111 is provided on the outer wall, and the limiting convex ring 2111 is clamped on the positioning convex ring 14 .

As shown in FIGS. 2 and 3 , the button 3 in the present invention includes a button seat 31 , an outlet 32 is arranged on the button seat 31 , and a fog point 33 is arranged on the outlet 32 . Effectively guarantee the spray effect.

In the utility model, a gasket 5 is provided inside the combination cover 1 . A liquid introduction tube 6 is connected to the lower end of the pump chamber 21 . A connecting thread 7 is provided inside the combined cover 1 . A positioning groove 8 is provided on the lower end surface of the combination cover 1 .

Working principle of the utility model:

1. Unplug the dust cover 4 during use;

2. When the button 3 is pressed, the elastic force of the main spring 29 is overcome, and the button 3 moves down. Due to the elastic force of the auxiliary spring 26, the piston 25 moves down together, and the gas in the inner cavity of the pump chamber 21 is compressed. When the piston 25 withstands the first When the first connection part 213 between the first pump area 211 and the second pump area 212 overcomes the elastic force of the auxiliary spring 26, the sealing position between the piston 25 and the lower pump rod 27 is opened, and the gas in the inner cavity of the pump chamber 21 will be discharged from this position; The lower pump rod 27 moves down to the second connection part 215 between the second pump area 212 and the third pump area 214, and the button 3 stops pressing down;

3. When the button 31 is released, due to the action of the main spring 29 and the auxiliary spring 26, the piston 25 and the lower pump rod 27 are quickly sealed and rebound together, and the inner cavity of the pump chamber 21 forms a partial vacuum. The liquid is introduced from the liquid introduction tube 6 and flushes through the pump bead 228 to enter the inner cavity; continue to press, and the liquid will flow through the upper pump rod 23 and flow through the fog point to form a mist spray 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 band dust cap atomizing pump, include combining cover (1), it is characterized in that: in described combining cover (1), be provided with pump assembly (2), be provided with the button (3) that can drive pump assembly (2) work on described pump assembly (2) top, on described combining cover (1), be provided with and connect bulge loop (15), outside described connection bulge loop (15), be arranged with dust cap (4), described button (3) is arranged in dust cap (4), described pump assembly (2) includes pump chamber (21), tightening cover (22) in described pump chamber (21) upper inside wall, described pump assembly (2) includes pump chamber (21), be provided with tightening cover (22) in described pump chamber (21) upper inside wall, in described tightening cover (22), be provided with upper pump rod (23), on pump rod (23), be provided with limited step (24) on described, the upper pump rod (23) on described limited step (24) top stretches out described combining cover (1), the upper pump rod (23) of described limited step (24) bottom is arranged in combining cover (1), described nozzle button (3) is connected on pump rod (23), on upper pump rod (23) outer wall of described limited step (24) below, be arranged with piston (25), between described piston (25) and limited step (24), be provided with auxiliary spring (26), described auxiliary spring (26) is set on pump rod (23), in the pump chamber (21) of pump rod on described (23) below, be provided with lower pump rod (27), be provided with positioning step (28) in described pump chamber (21) bottom, between described lower pump rod (27) and positioning step (28), be provided with main spring (29), be provided with pump pearl (210) in described pump chamber (21) bottom.

2. a kind of band dust cap atomizing pump according to claim 1, it is characterized in that being provided with locating convex block (221) on described tightening cover (22), be provided with locating hole (216) in described pump chamber (21) upper end, described locating convex block (221) is arranged in locating hole (216).

3. a kind of band dust cap atomizing pump according to claim 1, it is characterized in that described pump chamber (21) includes the first pump district (211), be provided with the second pump district (212) in described the first below, pump district (211), the internal diameter in the second pump district (212) is less than the internal diameter in the first pump district (211), between described the first pump district (211) and the second pump district (212), be provided with the first connecting portion (213), be connected with San Beng district (214) in described the second lower end, pump district (212), the internal diameter in described San Beng district (214) is less than described the second pump district (212) internal diameter, between described the second pump district (212) and San Beng district (214), be provided with the second connecting portion (215), described positioning step (28) is arranged on below, described San Beng district (214).

4. a kind of band dust cap atomizing pump according to claim 1, it is characterized in that described combining cover (1) includes lid (11), on described lid (11) upper surface, be provided with evagination connecting portion (12), in the middle of described evagination connecting portion (12), be provided with installing hole (13), described upper pump rod (23) is arranged in installing hole (13), on described evagination connecting portion (12) inwall, be provided with positioning convex ring (14), on the first described pump district (211) outer wall, be provided with position limiting convex ring (2111), described position limiting convex ring (2111) is fastened on described positioning convex ring (14).

5. a kind of band dust cap atomizing pump according to claim 1, is characterized in that described button (3) includes push-button socket (31), is provided with outlet (32) on described push-button socket (31), is provided with cloud point (33) in described outlet (32).

6. a kind of band dust cap atomizing pump according to claim 1, is characterized in that described lower pump rod (27) includes the lower pump rod body (271) that can insert pump rod (23) inner chamber, is provided with seal head (272) on described lower pump rod body (271) lower end.

7. according to the one band dust cap atomizing pump described in claim 1 or 3, it is characterized in that being provided with pad (5) in described combining cover (1).

8. a kind of band dust cap atomizing pump according to claim 3, is characterized in that being connected with liquid guiding tube (6) in described pump chamber (21) lower end.

9. a kind of band dust cap atomizing pump according to claim 1, is characterized in that being provided with connecting thread (7) in described combining cover (1).

10. a kind of band dust cap atomizing pump according to claim 1, is characterized in that being provided with locating slot (8) in described combining cover (1) lower surface.

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