Simplified all-plastic emulsion pump body capable of being quickly recycled

Abstract

The utility model relates to the related technical field of pump bodies, in particular to a simplified all-plastic emulsion pump body capable of being quickly recycled, which comprises a pressing head, the pump body is integrally formed and comprises a threaded cover and a pump body which are coaxially arranged, a second one-way valve is installed at the position, facing a through hole opposite to the liquid extraction direction, of the inner side of the pump body, one end of the pressing head is inserted into the pump body, and the pressing head is limited in the liquid extraction direction through a limiting piece; the plastic spring is arranged in the pump body, the two ends of the plastic spring are connected with the bottom of the inner side of the pump body and the pressing head in a clamped mode respectively, and a first one-way valve is installed at the end, facing the pressing head, of the plastic spring. The pressing head, the pump body and the plastic spring are all of an integrally-formed structure, so that the whole pump head is relatively few in part and easier and more convenient to disassemble and assemble, the pressing head, the pump body and the plastic spring are all made of plastic materials, the problem that an existing pump head is inconvenient to disassemble and assemble due to the fact that a metal spring is adopted is effectively solved, and meanwhile all-plastic recycling can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump body related technical field, concretely is a kind of simplified full plastic emulsion pump body of quick recovery. BACKGROUND

[0002] Traditional emulsion pump (especially the press pump for cosmetics, washing and protecting products) generally uses metal spring as reset element. Since metal and plastic cannot be collected and fused together, metal spring must be disassembled first, so that plastic recycling can be carried out on pump body. Metal spring is extremely easy to rust and deform, difficult to disassemble, resulting in low recovery rate and high recovery cost of the whole pump.

[0003] In addition, the existing pump body has a large number of components (usually including a pressing head, a threaded cover, a pump body, a metal spring, a one-way valve, a suction pipe and a gasket), and the components are connected by threads or riveting. Not only is the assembly process complicated and the yield limited, but also once a component is damaged, the whole pump is scrapped, further exacerbating resource waste. SUMMARY

[0004] The utility model aims at providing a simplified full plastic emulsion pump body that can be quickly recycled to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a simplified full plastic emulsion pump body that can be quickly recycled, comprising: a pressing head; an integrally formed pump body comprising a threaded cover and a pump body arranged coaxially, a second one-way valve installed at the through hole on the inner side of the pump body facing the opposite direction of liquid extraction, one end of the pressing head inserted into the pump body and limited by a limiting piece along the direction of liquid extraction; a plastic spring placed in the pump body and connected at both ends to the inner bottom of the pump body and the pressing head, respectively, and a first one-way valve installed at one end of the plastic spring facing the pressing head.

[0006] The simplified full plastic emulsion pump body that can be quickly recycled as described above: the pressing head comprises an integrally formed liquid outlet head and a connecting pipe, and the liquid outlet head and the connecting pipe are in communication; the connecting pipe is inserted into the pump body and connected to the plastic spring.

[0007] The simplified full plastic emulsion pump body that can be quickly recycled as described above: the limiting piece comprises a second limiting protrusion formed on the inner side of the pump body and a first limiting protrusion formed on the outer side of the connecting pipe, and when the connecting pipe is inserted into the pump body, the second limiting protrusion is located on one side of the first limiting protrusion facing the direction of liquid extraction.

[0008] The simplified all-plastic emulsion pump body that can be quickly recycled as described above: the plastic spring has an annular slot formed on the side facing the connecting pipe, the connecting pipe is inserted into the annular slot and is held in a snap-fit ​​state with the plastic spring by a first snap-fit ​​unit.

[0009] The simplified all-plastic emulsion pump body that can be quickly recycled as described above: the connecting pipe includes an outer sleeve and an inner sleeve that are coaxially arranged and integrally formed, the first limiting protrusion is formed on the outer wall of the outer sleeve, and the inner sleeve is in a snap-fit ​​state with the plastic spring.

[0010] As described above, the simplified all-plastic emulsion pump body with rapid recyclability includes: the first snap-fit ​​unit comprising: a first snap-fit ​​groove formed on the outer wall of the inner sleeve and a first snap-fit ​​member formed on the inner wall of the annular slot and engaging with the first snap-fit ​​groove.

[0011] The simplified all-plastic emulsion pump body with rapid recyclability as described above: the plastic spring has a second mounting groove formed on the side facing the press head for engaging the first one-way valve.

[0012] As described above, the simplified all-plastic emulsion pump body that can be quickly recycled has a second snap-fit ​​unit formed on the inner bottom of the pump body, which engages with the plastic spring. The second snap-fit ​​unit includes an annular part disposed on the inner bottom of the pump body, a second slot formed on the outer wall of the annular part, and a second snap-fit ​​member formed on the plastic spring. When the plastic spring is sleeved on the annular part, the second snap-fit ​​member snaps into the second slot.

[0013] The simplified all-plastic emulsion pump body described above, which can be quickly recycled, is further provided with a first mounting groove on the inner bottom of the pump body, which is coaxial with the through hole and is used for mounting the second check valve.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the pressing head, pump body and plastic spring are all made of one-piece molding structure, which makes the number of pump head parts relatively small and easier to disassemble and assemble. The pressing head, pump body and plastic spring are all made of plastic material, which effectively eliminates the problem of inconvenient disassembly and assembly caused by the use of metal springs in the existing pump heads. At the same time, it can realize full plastic recycling. Attached Figure Description

[0015] Figure 1 A schematic diagram of a simplified all-plastic emulsion pump body that can be quickly recycled;

[0016] Figure 2 A top view of a simplified all-plastic emulsion pump body that allows for rapid recycling;

[0017] Figure 3 for Figure 2 Cross-sectional view along the AA direction;

[0018] Figure 4 For Figure 3 Structure enlarged view at B in the middle;

[0019] Figure 5 For Figure 3 Structure enlarged view at C in the middle;

[0020] Figure 6 Structure exploded view of simplified full-plastic emulsion pump body capable of being quickly recycled;

[0021] Figure 7 Structure exploded view of another angle of simplified full-plastic emulsion pump body capable of being quickly recycled.

[0022] In the figure: 1-pressing head, 101-liquid outlet head, 102-outer sleeve, 1021-first limiting protrusion, 103-inner sleeve, 1031-first clamping groove; 2-pump main body, 201-screw cover, 202-pump body, 203-connection pipe, 204-ring member, 2041-second clamping groove, 205-through hole, 206-first installation groove, 207-second limiting protrusion; 3-plastic spring, 301-ring-shaped insertion slot, 3011-first clamping member, 302-second installation groove, 303-second clamping member; 4-first one-way valve; 5-second one-way valve. DETAILED DESCRIPTION

[0023] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numbers in different drawings represent the same or similar elements. Although various aspects of the embodiments are illustrated in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0024] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0025] In addition, for the purpose of convenience and brevity, specific details of various embodiments are set forth in the following description. It should be appreciated that the application can be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been described in detail in order to avoid obscuring the application.

[0026] Please refer to Figures 1-7The utility model discloses an embodiment of a kind of simplified full plastic emulsion pump body of quick recovery, including all being integrally formed press head 1, pump main body 2 and plastic spring 3, the pump main body 2 includes coaxially arranged screw thread cover 201 and pump body 202, the inside of the pump body 202 is installed with second check valve 5 at the through-hole 205 of opposite direction of liquid extraction, the bottom of the pump body 202 is also installed with connecting pipe 203, the connecting pipe 203 is integrally formed with the pump body 202, and it is coaxially arranged with through-hole 205, one end of the press head 1 is inserted into the pump body 202 and is limited to press head 1 along the direction of liquid extraction by limiting piece, the plastic spring 3 is placed in the pump body 202, and two ends are respectively with the inside bottom of the pump body 202 and press head 1 clamping, first check valve 4 is installed at the one end of the plastic spring 3 towards press head 1.

[0027] When assembling, plastic spring 3 is first inserted into pump body 202, so that the lower end of plastic spring 3 is clamped with the inside bottom of pump body 202, then press head 1 is clamped with the other end of plastic spring 3 and pressed into pump body 202, to realize the installation of press head 1, the limiting piece can prevent press head 1 from separating from pump body 202, and can also realize the downward movement of press head 1 to perform the liquid pressing operation.

[0028] In the embodiment, press head 1, pump main body 2 and plastic spring 3 all adopt an integrally formed structure, so that the whole pump head parts are relatively less, and disassembly and assembly are more convenient, press head 1, pump main body 2 and plastic spring 3 are all made of plastic material, effectively eliminating the problem of inconvenient disassembly and assembly caused by metal spring in the existing pump head, and full plastic recycling can be realized.

[0029] The plastic spring 3 described above is a cylinder structure that is open upward and downward, and one-way conduction is realized by cooperation of first check valve 4 and second check valve 5, when press head 1 is pressed, plastic spring 3 deforms, the internal space of plastic spring 3 decreases, the liquid or paste in the internal space of plastic spring 3 is extruded into press head 1 through first check valve 4, and flows out through press head 1, when press head 1 is released, plastic spring 3 resets, the internal space increases, the liquid or paste in the bottle body enters plastic spring 3 through second check valve 5, to realize the replenishment of liquid or paste.

[0030] In an embodiment, the press head 1 includes an integrally formed liquid outlet head 101 and a connecting pipe, the liquid outlet head 101 and the connecting pipe are in communication, the connecting pipe is inserted into the pump body 202 and connected to the plastic spring 3.

[0031] The connecting pipe comprises a coaxial outer sleeve 102 and an inner sleeve 103, the first limiting protrusion 1021 is formed on the outer wall of the outer sleeve 102, and the inner sleeve 103 is in a clamping state with the plastic spring 3.

[0032] Please refer to Figure 3 and Figure 4 The limiting member comprises a second limiting protrusion 207 formed on the inner side of the pump body 202 and a first limiting protrusion 1021 formed on the outer side of the connecting pipe, and when the connecting pipe is inserted into the pump body 202, the second limiting protrusion 207 is located on the side of the first limiting protrusion 1021 towards the liquid extraction direction.

[0033] The first limiting protrusion 1021 and the second limiting protrusion 207 are both annular structures, and when the pressing head 1 is installed, the first limiting protrusion 1021 is squeezed to pass the second limiting protrusion 207, so as to realize the assembly, and of course, during use, the pressing head 1 will not be separated from the pump body 202 due to the resetting action of the plastic spring 3, and when it is necessary to disassemble, it is only necessary to pull the pressing head 1 outward, so as to disassemble and assemble conveniently.

[0034] Please refer to Figure 4 The side of the plastic spring 3 towards the inner sleeve 103 is formed with an annular insertion slot 301, the inner sleeve 103 is inserted into the annular insertion slot 301 and kept in a clamping state with the plastic spring 3 through a first clamping unit, and the first clamping unit comprises a first clamping groove 1031 formed on the outer wall of the inner sleeve 103 and a first clamping piece 3011 formed on the inner wall of the annular insertion slot 301 and clamped with the first clamping groove 1031.

[0035] The inner sleeve 103 can be connected with the plastic spring 3 in a sealed manner after being inserted into the annular insertion slot 301, the first clamping piece 3011 and the first clamping groove 1031 are clamped to improve the stability of the connection between the inner sleeve 103 and the plastic spring 3, and further, in order to enhance the sealing effect, the inner wall of the annular insertion slot 301 and the outer wall of the inner sleeve 103 can be respectively provided with a sealing groove and a sealing strip matched with each other, and when the inner sleeve 103 is completely inserted into the annular insertion slot 301, the sealing strip and the sealing groove are tightly matched, so as to effectively prevent the liquid from leaking from the gap between the inner sleeve 103 and the plastic spring 3, and ensure the overall sealing performance of the pressing pump.

[0036] The first clamping groove 1031 and the first clamping piece 3011 are both annular structures.

[0037] To improve the stability of the installation of the first one-way valve 4, the plastic spring 3 has a second mounting groove 302 formed on the side facing the pressing head 1 for the first one-way valve 4 to be engaged.

[0038] Further, please refer to Figure 5 The pump body 202 has a second snap-fit ​​unit formed on its inner bottom side, which engages with the plastic spring 3. The second snap-fit ​​unit includes an annular part 204 disposed on the inner bottom side of the pump body 202. A second slot 2041 is formed on the outer wall of the annular part 204. A second snap-fit ​​member 303 is formed on the plastic spring 3. When the plastic spring 3 is sleeved on the annular part 204, the second snap-fit ​​member 303 snaps into the second slot 2041.

[0039] After the plastic spring 3 is fitted onto the annular part 204, the second snap-fit ​​part 303 snaps into the second snap-fit ​​groove 2041, achieving a stable connection between the plastic spring 3 and the pump body 202, thereby enhancing the structural stability of the press pump. In addition, the design of the annular part 204 not only facilitates the installation and positioning of the plastic spring 3, but also effectively disperses the pressure generated during pressing, extending the service life of the press pump.

[0040] To improve the stability of the installation of the second check valve 5, a first mounting groove 206 coaxial with the through hole 205 and used for mounting the second check valve 5 is also provided on the inner bottom of the pump body 202.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A simplified all-plastic emulsion pump body that can be quickly recycled, characterized in that, The utility model relates to a pump, including: Pressing head (1), integrative pump body (2) including screw thread cover (201) and pump body (202) of coaxial arrangement, the inside of pump body (202) is equipped with second check valve (5) at the through hole (205) of liquid extraction opposite direction of heading, one end of pressing head (1) is inserted into pump body (202) and through spacing piece is along the liquid extraction direction of pressing head (1) and is positioned, plastic spring (3) is placed in pump body (202) and the inside bottom of pump body (202) and pressing head (1) are respectively with the clamping of two ends, the one end of plastic spring (3) towards pressing head (1) is equipped with first check valve (4).

2. A simplified all-plastic emulsion pump according to claim 1, characterized in that, The pressing head (1) includes: an integrally formed liquid outlet head (101) and a connecting pipe, the liquid outlet head (101) is in communication with the connecting pipe; the connecting pipe is inserted into the pump body (202), and the plastic spring (3) is connected.

3. A simplified all-plastic emulsion pump according to claim 2, wherein, The spacing piece includes: a second limiting protrusion (207) formed on the inner side of the pump body (202) and a first limiting protrusion (1021) formed on the outer side of the connecting pipe, when the connecting pipe is inserted into the pump body (202), the second limiting protrusion (207) is located on one side of the first limiting protrusion (1021) towards the liquid extraction direction.

4. A simplified all-plastic emulsion pump according to claim 3, wherein, The side of the plastic spring (3) towards the connecting pipe is formed with an annular insertion slot (301), the connecting pipe is inserted into the annular insertion slot (301) and kept in a clamped state with the plastic spring (3) through a first clamping unit.

5. A simplified all-plastic emulsion pump according to claim 4, wherein, The connecting pipe includes a sleeve (102) and an inner sleeve (103) coaxially arranged and integrally formed, the first limiting protrusion (1021) is formed on the outer wall of the sleeve (102), and the inner sleeve (103) is in a clamped state with the plastic spring (3).

6. A simplified all-plastic emulsion pump according to claim 5, wherein, The first clamping unit includes: a first clamping slot (1031) formed on the outer wall of the inner sleeve (103) and a first clamping piece (3011) formed on the inner wall of the annular insertion slot (301) and clamped with the first clamping slot (1031).

7. A simplified all-plastic emulsion pump according to claim 1, wherein, The side of the plastic spring (3) towards the pressing head (1) is formed with a second mounting slot (302) for clamping the first check valve (4).

8. A simplified all-plastic emulsion pump according to claim 1, wherein, The inner bottom of the pump body (202) is formed with a second clamping unit clamped with the plastic spring (3), and the second clamping unit includes: An annular piece (204) arranged on the inner bottom of the pump body (202), the outer wall of the annular piece (204) is formed with a second clamping slot (2041), and the plastic spring (3) is formed with a second clamping piece (303), when the plastic spring (3) is sleeved on the annular piece (204), the second clamping piece (303) is clamped into the second clamping slot (2041).

9. A simplified all-plastic emulsion pump according to claim 1, wherein, The inner bottom of the pump body (202) is further provided with a first mounting slot (206) coaxial with the through hole (205) and used for clamping the second check valve (5).

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