CN215623925U

CN215623925U - Anti-sticking's novel plastic pump

Info

Publication number: CN215623925U
Application number: CN202120799280.2U
Authority: CN
Inventors: 许如龙
Original assignee: Ningbo Sender Medical Technology Co ltd
Current assignee: Ningbo Sender Medical Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-01-25
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses an anti-sticking novel all-plastic pump, which relates to the technical field of all-plastic pumps and comprises a connecting outer ring, wherein a connecting cover is arranged in the middle of the upper surface of the connecting outer ring, the lower end of the connecting cover movably penetrates through the upper surface of the connecting outer ring and extends to an inner cavity of the connecting outer ring, a pump body is arranged in the middle of the inner cavity of the connecting outer ring, the edge of the upper end surface of the pump body is fixedly connected with the inner wall of the upper end of the connecting outer ring, the lower end of the connecting cover is positioned in the inner cavity of the pump body and is matched with the pump body, a gland is fixedly arranged in the middle of the inner cavity of the connecting cover, and a through hole is formed in the middle of the gland. According to the utility model, the upper end surface of the elastomer pump core is provided with the plurality of grooves distributed in the annular array, the inner cavity of the upper end of the elastomer pump core is provided with the sealing block, the inner cavity of the connecting cover is provided with the reset spring, and after the press head cap is loosened, the reset spring recovers deformation and can push the press head cap to vertically slide upwards, so that a good reset effect is achieved.

Description

Anti-sticking's novel plastic pump

Technical Field

The utility model relates to the technical field of all-plastic pumps, in particular to a novel anti-sticking all-plastic pump.

Background

The extrusion pump for daily use is used as a liquid taking tool for containing shower gel and shampoo, convenience is brought in life, people often use shampoo, face cream, skin lotion and the like in daily life, the liquid in the bottle can be generally taken by the pump head of the all-plastic pump, and the liquid in the bottle can be extruded out of the pump head by pressing the pump head of the all-plastic pump.

However, at present, in the use process of the existing all-plastic pump, after the pump head is pressed down, the pump head is easily clamped under the action of friction force and air pressure, so that the pump head cannot rebound normally, and the use effect is further influenced. Therefore, it is necessary to develop a new anti-seize all plastic pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel anti-sticking all-plastic pump to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel anti-sticking all-plastic pump comprises a connecting outer ring, a connecting cover is arranged in the middle of the upper surface of the connecting outer ring, the lower end of the connecting cover movably penetrates through the upper surface of the connecting outer ring and extends to the inner cavity of the connecting outer ring, the middle part of the inner cavity of the connecting outer ring is provided with a pump body, the edge of the upper end surface of the pump body is fixedly connected with the inner wall of the upper end of the connecting outer ring, the lower end of the connecting cover is positioned in the inner cavity of the pump body and is matched with the pump body, the middle part of the inner cavity of the connecting cover is fixedly provided with a gland, the middle part of the gland is provided with a through hole, the outer side of the gland is movably sleeved with a return spring, the return spring is positioned in the inner cavity of the connecting cover, the upper end of the gland is provided with an elastomer pump core, the lower end of the elastomer pump core is matched with the gland, the sealing layer is movably sleeved on the outer side of the elastomer pump core, and the lower end of the outer side wall of the sealing layer is attached to and connected with the inner side wall of the connecting cover.

Preferably, the upper end of elastomer pump core is provided with sealed piece, the upper end of connecting the lid is provided with the pressure head cap, the lower extreme of pressure head cap is located the inner chamber of connecting the lid and with connect lid looks adaptation, the laminating of the lateral wall upper end of sealing layer and the inside wall lower extreme of pressure head cap is connected.

Preferably, a plurality of grooves distributed in an annular array are formed in the upper end of the elastomer pump core, and the upper end of the outer side wall of the elastomer pump core is attached to the upper end of the inner side wall of the sealing layer.

Preferably, the sealing block is located in an inner cavity of the pressing head cap and matched with the pressing head cap, and a liquid discharge cavity is formed in the pressing head cap.

Preferably, the inner cavity of the connecting outer ring is fixedly provided with a threaded inner ring, the lower end of the inner cavity of the connecting cover is fixedly inserted with a pipette, and the lower end of the pipette penetrates through the inner cavity of the connecting outer ring and extends to the lower part of the pump body.

Preferably, the outer side of the lower end of the pressing head cap is movably clamped with a limiting snap ring, and the outer side wall of the connecting outer ring is provided with concave grains.

The utility model has the technical effects and advantages that:

1. according to the elastic body pump core, the upper end face of the elastic body pump core is provided with the plurality of grooves distributed in the annular array mode, the inner cavity of the upper end of the elastic body pump core is provided with the sealing block, the sealing block is driven to slide in the inner cavity of the elastic body pump core by pressing the pressing head cap, so that liquid in the inner cavity of the elastic body pump core can be discharged through the liquid discharge cavity, the inner cavity of the connecting cover is provided with the reset spring, after the pressing head cap is loosened, the reset spring recovers the shape and can push the pressing head cap to vertically slide upwards, a good reset effect is achieved, and the situation that the pressing head cap is clamped to influence the normal use of the elastic body pump core is effectively avoided;

2. according to the elastic body pump core, the upper end of the elastic body pump core is provided with the plurality of grooves distributed in the annular array, the elastic body pump core has good elasticity, and the elasticity of the upper end of the elastic body pump core can be further improved due to the arrangement of the grooves, so that the device can easily suck liquid with higher concentration, and the application range of the device is wider;

3. the threaded inner ring is arranged in the middle of the connecting outer ring, so that the device is more convenient to integrally connect, the sealing ring is arranged at the upper end of the threaded inner cavity, the sealing performance of the device can be effectively improved, and the limiting snap ring is movably clamped at the outer side of the lower end of the pressing head cap, so that the pressing head cap can be effectively prevented from being pressed by mistake.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 3 is a schematic perspective view of the return spring structure of the present invention.

FIG. 4 is a perspective view of another structure of the return spring of the present invention

In the figure: 1. connecting the outer ring; 2. a connecting cover; 3. a pump body; 4. a gland; 5. a return spring; 6. an elastomeric pump core; 61. a groove; 7. a sealing layer; 8. a sealing block; 9. a press head cap; 91. a liquid discharge cavity; 10. a threaded inner ring; 11. a pipette; 12. a limit snap ring; 13. concave lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a novel anti-blocking all-plastic pump shown in figures 1-4, which comprises a connecting outer ring 1, wherein a connecting cover 2 is arranged in the middle of the upper surface of the connecting outer ring 1, the lower end of the connecting cover 2 movably penetrates through the upper surface of the connecting outer ring 1 and extends to the inner cavity of the connecting outer ring 1, a pump body 3 is arranged in the middle of the inner cavity of the connecting outer ring 1, the edge of the upper end surface of the pump body 3 is fixedly connected with the inner wall of the upper end of the connecting outer ring 1, and the lower end of the connecting cover 2 is positioned in the inner cavity of the pump body 3 and is matched with the pump body 3, so that the connecting outer ring 1, the connecting cover 2 and the pump body 3 can be assembled together.

Secondly, a gland 4 is fixedly arranged in the middle of the inner cavity of the connecting cover 2, a through hole is arranged in the middle of the gland 4, a return spring 5 is movably sleeved on the outer side of the gland 4, the return spring 5 is positioned in the inner cavity of the connecting cover 2, as shown in fig. 3, which is one structural form of the return spring 5, as shown in fig. 4, which is another structural form of the return spring 5, an elastomer pump core 6 is arranged at the upper end of the gland 4, the lower end of the elastomer pump core 6 is matched with the gland 4, a sealing layer 7 is movably sleeved on the outer side of the elastomer pump core 6, the lower end of the outer side wall of the sealing layer 7 is in fit connection with the inner side wall of the connecting cover 2, a sealing block 8 is arranged at the upper end of the elastomer pump core 6, a press head cap 9 is arranged at the upper end of the connecting cover 2, the lower end of the press head cap 9 is positioned in the inner cavity of the connecting cover 2 and is matched with the connecting cover 2, therefore, the lower end of the pressing head cap 9 can be driven to vertically slide downwards in the inner cavity of the connecting cover 2 by pressing the pressing head cap 9.

Further, the lateral wall upper end of sealing layer 7 is connected with the laminating of the inside wall lower extreme of press head cap 9, a plurality of recesses 61 that are the ring array and distribute are seted up to the upper end of elastomer pump core 6, offer of recess 61 makes the upper end of elastomer pump core 6 easily take place elastic deformation, the lateral wall upper end of elastomer pump core 6 is connected with the laminating of the inside wall upper end of sealing layer 7, the leakproofness of this device can be improved to sealing layer 7, sealing block 8 is located press head cap 9's inner chamber and with press head cap 9 looks adaptation, leakage fluid dram 91 has been seted up to press head cap 9's inside, can drive sealing block 8 when press head cap 9 removes and slide at the inner chamber of elastomer pump core 6, and then drive the volume change of 6 inner chambers of elastomer pump core, thereby change the atmospheric pressure of 6 inner chambers of elastomer pump core.

Specifically, be provided with screw thread inner circle 10 at the fixed inner chamber of connecting outer lane 1, the setting of screw thread inner circle 10 is convenient for be connected this device and bottle, the fixed grafting of inner chamber lower extreme of connecting lid 2 has pipette 11, pipette 11's lower extreme through connection outer lane 1's inner chamber extends to the below of the pump body 3, the lower extreme outside activity joint of pressing head cap 9 has spacing snap ring 12, the setting of spacing snap ring 12 can be spacing to pressing of pressing head cap 9, connect the lateral wall of outer lane 1 and seted up dimpled grain 13, the setting of dimpled grain 13 can increase the frictional force between the lateral wall of connecting outer lane 1 and the hand, thereby be convenient for twist the outer lane 1 of being connected.

The working principle of the utility model is as follows:

when the device is used, the pressing head cap 9 is pressed, the pressing head cap 9 drives the sealing block 8 to vertically slide downwards in the inner cavity of the elastomer pump core 6, at the moment, the volume of the inner cavity of the elastomer pump core 6 is reduced, the air pressure is increased, the upper end of the elastomer pump core 6 is elastically deformed under the action of the air pressure, so that the groove 61 is compressed, and therefore liquid in the inner cavity of the elastomer pump core 6 can flow into the inner cavity of the liquid discharge cavity 91 from the upper end of the elastomer pump core 6 and is discharged from the liquid discharge cavity 91;

then loosen the press head cap 9, the press head cap 9 slides vertically upwards under the elastic force of the reset spring 5 and drives the sealing block 8 to slide vertically upwards in the inner cavity of the elastomer pump core 6, at the moment, the volume of the inner cavity of the elastomer pump core 6 is increased, the air pressure is reduced, the inner wall of the upper end of the groove 61 is tightly attached to the outer side wall of the sealing block 8 under the action of the air pressure, at the moment, the liquid in the bottle can be sucked into the inner cavity of the elastomer pump core 6 by the pipette 11 under the action of negative pressure, so that enough liquid in the elastomer pump core 6 can be discharged when the press head cap 9 is pressed next time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a novel all plastic pump of anti-sticking, is including connecting outer lane (1), its characterized in that: the upper surface middle part of the connecting outer ring (1) is provided with a connecting cover (2), the lower end of the connecting cover (2) movably penetrates through the upper surface of the connecting outer ring (1) and extends to the inner cavity of the connecting outer ring (1), the inner cavity middle part of the connecting outer ring (1) is provided with a pump body (3), the upper end surface edge of the pump body (3) is fixedly connected with the upper end inner wall of the connecting outer ring (1), the lower end of the connecting cover (2) is positioned in the inner cavity of the pump body (3) and is matched with the pump body (3), the inner cavity middle part of the connecting cover (2) is fixedly provided with a gland (4), the middle part of the gland (4) is provided with a through hole, the outer side of the gland (4) is movably sleeved with a reset spring (5), the reset spring (5) is positioned in the inner cavity of the connecting cover (2), the upper end of the gland (4) is provided with an elastomer pump core (6), the lower extreme and gland (4) looks adaptation of elastomer pump core (6), sealing layer (7) have been cup jointed in the outside activity of elastomer pump core (6), the lateral wall lower extreme of sealing layer (7) is connected with the inside wall laminating of connecting lid (2).

2. The novel anti-seize all-plastic pump according to claim 1, characterized in that: the upper end of elastomer pump core (6) is provided with sealed piece (8), the upper end of connecting lid (2) is provided with press head cap (9), the lower extreme of press head cap (9) is located the inner chamber of connecting lid (2) and with connect lid (2) looks adaptation, the laminating of the inside wall lower extreme of lateral wall upper end and press head cap (9) of sealing layer (7) is connected.

3. The novel anti-seize all-plastic pump according to claim 2, wherein: the upper end of elastomer pump core (6) is seted up a plurality of recesses (61) that are the annular array and distribute, the laminating of the lateral wall upper end of elastomer pump core (6) and the inside wall upper end of sealing layer (7) is connected.

4. The novel anti-seize all-plastic pump according to claim 3, wherein: the sealing block (8) is positioned in the inner cavity of the pressing head cap (9) and is matched with the pressing head cap (9), and a liquid discharge cavity (91) is formed in the pressing head cap (9).

5. The novel anti-sticking all-plastic pump according to claim 4, characterized in that: the inner cavity of the connecting outer ring (1) is fixedly provided with a threaded inner ring (10), the lower end of the inner cavity of the connecting cover (2) is fixedly inserted with a pipette (11), and the lower end of the pipette (11) penetrates through the inner cavity of the connecting outer ring (1) and extends to the lower part of the pump body (3).

6. The novel anti-sticking all-plastic pump according to claim 5, characterized in that: the lower end outer side of the pressing head cap (9) is movably clamped with a limiting snap ring (12), and the outer side wall of the connecting outer ring (1) is provided with concave grains (13).