Recoverable all-plastic pump head automatic rebound assembly

Abstract

The utility model relates to the technical field of all-plastic pump heads, in particular to a recyclable all-plastic pump head automatic rebounding assembly which comprises a pump body, a bottle cap is arranged on the pump body, internal threads are arranged on the inner wall of the bottle cap, a pump pipe is arranged at the top of the pump body, a pressing head is arranged at the top end of the pump pipe, and a liquid guide pipe is arranged at the bottom end of the pump body. A fixing plate is arranged on the upper portion in the pump body, an inner pipe is arranged at the top end in the pump body, the bottom end of the pump pipe is connected with the inner pipe, a first spring is arranged outside the inner pipe, and the first spring and a second spring are made of plastic materials. The pump body can be directly melted into liquid plastic and re-injected into other products for use, the recycling difficulty and cost are reduced, the rebound of the pump body is more stable due to the arrangement of the two sets of springs, the situation that the pump body cannot rebound in time due to poor elasticity of the plastic springs is avoided, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of all-plastic pump heads, in particular to an automatically rebounding assembly of a recyclable all-plastic pump head. Background Technique

[0002] In the packaging of cosmetics, such as lotions, shampoos, body washes, etc., all-plastic pump heads are required for use. The all-plastic pump heads used for cosmetics are pump heads made of plastic materials, and such pump heads are made of plastic.

[0003] When the existing all-plastic pump heads are in use, the springs of the elastic components inside the pump heads usually adopt metal springs, which are prone to corrosion and rust, and during recycling, the metal and plastic need to be separated before recycling, making recycling inconvenient. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides an automatically rebounding assembly of a recyclable all-plastic pump head.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: An automatically rebounding assembly of a recyclable all-plastic pump head, including a pump body, a bottle cap is arranged on the pump body, internal threads are arranged on the inner wall of the bottle cap, a pump tube is arranged at the top of the pump body, a pressing head is arranged at the top end of the pump tube, a liquid guiding tube is arranged at the bottom end of the pump body, a fixing plate is arranged above the inner part of the pump body, an inner tube is arranged at the top end inside the pump body, the bottom end of the pump tube is connected to the inner tube, a first spring is arranged outside the inner tube, the first spring is sleeved on the inner tube, an inner wall plate is arranged at the bottom inside the pump body, a second spring is arranged on the inner wall plate, a pump rod is arranged at the bottom end of the inner tube, a piston is arranged at the top of the pump rod, the piston is located at the bottom of the inner wall plate, the pump rod and the piston are fixedly connected, a one-way valve is arranged at the top end of the liquid guiding tube, the one-way valve is located inside the pump body, a pump chamber is arranged at the bottom inside the pump body, and the piston is located inside the pump chamber.

[0008] Further, the utility model is improved in that a clamping block is arranged on the inner wall of the inner tube, a clamping groove is arranged outside the one-way valve, and one end of the clamping block abuts against the inside of the clamping groove.

[0009] Further, the utility model is improved in that a concave ring is arranged at the top end of the inner wall plate, the concave ring is fixedly connected to the inner wall plate, and the bottom end of the second spring is located inside the concave ring.

[0010] Further, the utility model is improved in that both the first spring and the second spring are made of plastic materials.

[0011] Further, the present utility model is improved in that the bottle cap and the pump body are fixedly connected, and anti-slip patterns are provided on the outer surface of the bottle cap.

[0012] Further, the present utility model is improved in that the pump body, the pump tube, the pressing head, the bottle cap, the liquid guiding tube, the one-way valve, the inner tube, and the pump rod are all made of PE plastic material.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the present utility model provides a recyclable all-plastic pump head automatic rebound assembly, which has the following beneficial effects:

[0015] For the recyclable all-plastic pump head automatic rebound assembly, the first spring and the second spring are made of plastic material, and all the components in the present utility model are made of plastic materials. During recycling, there is no need to disassemble and separate them, and they can be directly melted into liquid plastic and re-injected into other products for use, reducing the difficulty and cost of recycling. Moreover, the setting of the two groups of springs makes the rebound of the pump body itself more stable, avoiding the problem that the plastic spring has poor elasticity and cannot rebound in time, and improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is of the present utility model Figure 1 a schematic internal side view structure diagram;

[0018] Figure 3 is of the present utility model Figure 2 an enlarged structural diagram at A in;

[0019] Figure 4 is of the present utility model Figure 2 a partial enlarged structural diagram;

[0020] In the figure: 1, pump body; 2, pump tube; 3, pressing head; 4, bottle cap; 5, liquid guiding tube; 6, one-way valve; 7, inner tube; 8, fixing plate; 9, first spring; 10, pump rod; 11, piston; 12, pump chamber; 13, second spring; 14, clamping block; 15, inner wall plate; 16, concave ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4 , a recyclable all-plastic pump head automatic rebound assembly, including a pump body 1, a bottle cap 4 is arranged on the pump body 1, internal threads are arranged on the inner wall of the bottle cap 4, a pump tube 2 is arranged at the top of the pump body 1, a pressing head 3 is arranged at the top end of the pump tube 2, a liquid guiding tube 5 is arranged at the bottom end of the pump body 1, a fixing plate 8 is arranged above the inner part of the pump body 1, an inner tube 7 is arranged at the top end inside the pump body 1, the bottom end of the pump tube 2 is connected with the inner tube 7, a first spring 9 is arranged outside the inner tube 7, the first spring 9 is sleeved on the inner tube 7, an inner wall plate 15 is arranged at the bottom of the inner part of the pump body 1, a second spring 13 is arranged on the inner wall plate 15, a pump rod 10 is arranged at the bottom end of the inner tube 7, a piston 11 is arranged at the top of the pump rod 10, the piston 11 is located at the bottom of the inner wall plate 15, the pump rod 10 and the piston 11 are fixedly connected, a one-way valve 6 is arranged at the top end of the liquid guiding tube 5, the one-way valve 6 is located inside the pump body 1, a pump chamber 12 is arranged at the bottom of the inner part of the pump body 1, the piston 11 is located inside the pump chamber 12, both the first spring 9 and the second spring 13 are made of plastic materials, the pump body 1, the pump tube 2, the pressing head 3, the bottle cap 4, the liquid guiding tube 5, the one-way valve 6, the inner tube 7, and the pump rod 10 are all made of PE plastic materials, and a convex block is arranged on the top surface of the pressing head 3.

[0023] In the actual use process of the above structure, first, the pump body 1 is connected and installed with the cosmetic bottle through the internal threads in the bottle cap 4. When in use, press the pressing head 3, so that the pressing head 3 drives the pump tube 2 to descend, and at the same time drives the inner tube 7. The inner tube 7 squeezes the first spring 9 on the fixing plate 8, and at the same time the bottom end of the inner tube 7 squeezes the second spring 13 on the inner wall plate 15, so that the first spring 9 and the second spring 13 are pressed down simultaneously, which ensures the rebound efficiency of the pressing head 3, avoids the untimely rebound caused by the elasticity of the plastic spring itself, improves the practicability. When the inner tube 7 descends, it will drive the pump rod 10, the pump rod 10 drives the piston 11, and the piston 11 descends in the pump chamber 12. Then release the pressing head 3. At this time, the inner tube 7 drives the piston 11 to move upward, a negative pressure is formed inside the pump chamber 12, the one-way valve 6 opens, and the liquid in the cosmetic bottle flows into the pump chamber 12 through the liquid guiding tube 5, and then enters the inner tube 7, the pump tube 2 and the pressing head 3 in sequence through the pump rod 10 to complete the liquid discharge. The piston 11 movement structure composed of the pump rod 10 and the piston 11 is simple and convenient for assembly. Moreover, the parts and the elastic components in the present utility model are all made of plastic materials. When recycling, there is no need to disassemble and separate, and it can be directly melted into liquid plastic and re-injected into other products for use, reducing the difficulty and cost of recycling.

[0024] In this embodiment, a clamping block 14 is arranged on the inner wall of the inner tube 7, a clamping groove is arranged outside the one-way valve 6, and one end of the clamping block 14 abuts against the inside of the clamping groove, improving the firmness of the installation of the one-way valve 6.

[0025] In this embodiment, a concave ring 16 is provided at the top of the inner wall plate 15. The concave ring 16 is fixedly connected to the inner wall plate 15. The bottom end of the second spring 13 is located inside the concave ring 16. The concave ring 16 fixes the installation position of the bottom of the second spring 13, thereby further improving the working stability of the second spring 13.

[0026] In this embodiment, the bottle cap 4 is fixedly connected to the pump body 1. Anti-slip patterns are provided on the outside of the bottle cap 4 to improve the anti-slip effect of the bottle cap 4.

[0027] The pump body 1, the pump pipe 2, the press head 3, the bottle cap 4, the liquid guide pipe 5, the one-way valve 6, the inner pipe 7, and the pump rod 10 are all made of PE plastic material.

[0028] Protrusions are provided on the top surface of the press head 3.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A recyclable all-plastic pump head automatic rebound assembly, characterized in that: It includes a pump body (1), on which a bottle cap (4) is provided. An internal thread is provided on the inner wall of the bottle cap (4). A pump tube (2) is provided at the top of the pump body (1). A press head (3) is provided at the top end of the pump tube (2). A liquid guiding tube (5) is provided at the bottom end of the pump body (1). A fixing plate (8) is provided above the inner part of the pump body (1). An inner tube (7) is provided at the top end inside the pump body (1). The bottom end of the pump tube (2) is connected to the inner tube (7). A first spring (9) is provided outside the inner tube (7), and the first spring (9) is sleeved on the inner tube (7). An inner wall plate (15) is provided at the bottom inside the pump body (1). A second spring (13) is provided on the inner wall plate (15). A pump rod (10) is provided at the bottom end of the inner tube (7). A piston (11) is provided at the top of the pump rod (10). The piston (11) is located at the bottom of the inner wall plate (15). The pump rod (10) and the piston (11) are fixedly connected. A one-way valve (6) is provided at the top end of the liquid guiding tube (5), and the one-way valve (6) is located inside the pump body (1). A pump chamber (12) is provided at the bottom inside the pump body (1). The piston (11) is located inside the pump chamber (12).

2. The automatic rebound assembly of a recyclable all-plastic pump head according to claim 1, wherein: A clamping block (14) is provided on the inner wall of the inner tube (7). A clamping groove is provided outside the one-way valve (6), and one end of the clamping block (14) abuts against the inside of the clamping groove.

3. The automatic rebound assembly of a recyclable all-plastic pump head according to claim 2, characterized in that: A concave ring (16) is provided at the top end of the inner wall plate (15), and the concave ring (16) is fixedly connected to the inner wall plate (15). The bottom end of the second spring (13) is located inside the concave ring (16).

4. The automatic rebound assembly of a recyclable all-plastic pump head according to claim 3, characterized in that: Both the first spring (9) and the second spring (13) are made of plastic material.

5. The automatic rebound assembly of a recyclable all-plastic pump head according to claim 4, characterized in that: The bottle cap (4) is fixedly connected to the pump body (1), and anti-slip patterns are provided on the outside of the bottle cap (4).

6. The automatically resilient assembly of a recyclable all-plastic pump head according to claim 5, wherein: The pump body (1), the pump tube (2), the press head (3), the bottle cap (4), the liquid guiding tube (5), the one-way valve (6), the inner tube (7), and the pump rod (10) are all made of PE plastic material.

7. A recyclable all-plastic pump head automatic rebound assembly according to claim 1, characterized in that: Protrusions are provided on the top surface of the press head (3).

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