Plastic spring for foam pump

Abstract

The utility model discloses a plastic spring for a foam pump, which comprises a top supporting seat, a bottom supporting seat and a plurality of connecting seats, the top supporting seat and the bottom supporting seat are arranged in parallel, and the connecting seats are arranged between the top supporting seat and the bottom supporting seat at equal intervals. The elastic units are fixed between the top supporting base and the adjacent connecting bases, between the bottom supporting base and the adjacent connecting bases and between every two adjacent connecting bases, the adjacent elastic units are fixed into a whole through the connecting bases and the like, the plastic spring made of plastic materials has good elasticity and stability, and when the plastic spring is applied to the foam pump, the foam pump is not prone to deformation. And meanwhile, the foam pump is made of the same plastic material as the foam pump, so that recycling is facilitated, and the foam pump is more environment-friendly.

Description

Technical Field

[0001] The utility model relates to the technical field of springs, in particular to a plastic spring for a foam pump. Background Art

[0002] The spring is an important component in the foam pump, providing the power for the foam pump piston to move back and forth. At present, most existing foam pumps use metal springs, which are in direct contact with the liquid in the pump. There are at least the following problems: First, the metal spring is easily corroded by long-term contact with the liquid, and there is a risk of rust or even breakage; second, the foam pump itself is made of plastic, while the spring is made of metal, which is not conducive to the recycling of the foam pump and is difficult to reuse. Utility Model Content

[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides a plastic spring for a foam pump, which adopts a plastic spring, will not rust and is easy to recycle.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] A plastic spring for a foam pump, comprising a top support seat, a bottom support seat and a plurality of connecting seats arranged in parallel, wherein the plurality of connecting seats are equidistantly arranged between the top support seat and the bottom support seat, and elastic units are fixed between the connecting seat and the top support seat, between the connecting seat and the bottom support seat, and between adjacent connecting seats;

[0006] The elastic unit includes a first compression plate, a second compression plate and a connecting plate. The first compression plate is in a “>” shape, the second compression plate is in a “<” shape, the first compression plate and the second compression plate are arranged in mirror symmetry, and the connecting plate fixedly connects the first compression plate and the second compression plate. The first compression plate, the second compression plate and the connecting plate are connected to form an “X” shape.

[0007] Furthermore, the first compression plate and the second compression plate each include a compression plate A and a compression plate B, and the compression plate A and the compression plate B are fixedly connected and are arranged in a mirror-symmetrical manner along the connection position.

[0008] Furthermore, a hollow structure is provided in the middle of the first compression plate and the second compression plate, and the hollow structure is arranged in a mirror-symmetrical manner along the connection position of the compression plate A and the compression plate B.

[0009] Furthermore, in the same elastic unit, the connection position of the compression plate A and the compression plate B on the first compression plate is recorded as position A, the connection position of the compression plate A and the compression plate B on the second compression plate is recorded as position B, and the connecting plate fixes the connection between position A and position B.

[0010] Furthermore, in the same elastic unit, there are two connecting pieces, one connecting piece is fixedly connected to the same end of position A and position B, and the other connecting piece is fixedly connected to the other end of position A and position B.

[0011] Furthermore, the top support seat, the bottom support seat and the plurality of connecting seats are all ring-shaped, and are provided with through holes in the middle.

[0012] Furthermore, there are four elastic units, and two adjacent elastic units are arranged in mirror symmetry along the connecting seat therebetween.

[0013] Furthermore, a through hole is provided in the middle of the plastic spring, and the through hole passes through the top support seat, the bottom support seat, the plurality of connecting seats and the plurality of elastic units.

[0014] Furthermore, the plastic spring is an integrally formed structure.

[0015] The beneficial effects of the utility model are as follows: the plastic spring is made of plastic material, the plastic spring has good elasticity and stability, and will not cause corrosion and other problems when used in the foam pump. At the same time, the same plastic material as the foam pump itself is used, which is conducive to recycling and more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the plastic spring for the foam pump of the utility model;

[0017] Figure 2 This is a front view of the plastic spring for the foam pump of the utility model;

[0018] Figure 3 It is a front view of the elastic unit in the utility model;

[0019] Figure 4 It is a side view of the plastic spring for the foam pump of the utility model;

[0020] Figure 5 It is a top view of the plastic spring for the foam pump of the utility model.

[0021] In the figure: 1. top support seat; 2. bottom support seat; 3. connecting seat; 4. elastic unit; 401. first compression plate; 402. second compression plate; 403. connecting plate; 5. compression plate A; 6. compression plate B; 7. hollow structure; 8. position A; 9. position B; 10. through hole; 11. through hole. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clearly understood, the utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-5 As shown, the utility model provides a plastic spring for a foam pump, comprising a top support seat 1, a bottom support seat 2 and a plurality of connecting seats 3 arranged in parallel, the plurality of connecting seats 3 are equidistantly arranged between the top support seat 1 and the bottom support seat 2, elastic units 4 are fixed between the top support seat 1 and the adjacent connecting seat 3, between the bottom support seat 2 and the adjacent connecting seat 3, and between two adjacent connecting seats 3, and adjacent elastic units 4 are fixed as a whole through the connecting seats 3, etc.

[0024] refer to Figure 3 The elastic unit 4 includes a first compression plate 401, a second compression plate 402 and a connecting plate 403. The first compression plate 401 is in a “>” shape, the second compression plate 402 is in a “<” shape, the first compression plate 401 and the second compression plate 402 are arranged in a mirror-symmetrical manner, and the connecting plate 403 is fixedly connected to the first compression plate 401 and the second compression plate 402. The first compression plate 401, the second compression plate 402 and the connecting plate 403 are connected to form an “X” shape.

[0025] The top support seat 1, the bottom support seat 2, the plurality of connection seats 3 and the plurality of elastic units 4 are integrally formed by using plastic material, and the plastic spring is an integrally formed structure.

[0026] Taking the elastic unit 4 at the top as an example, the elastic unit 4 is in an "X" shape in the main viewing direction, and the two ends of the top of the "X" shape are fixed on the top support seat 1, and the two ends of the bottom are fixed on the connecting seat 3, and the connecting piece 403 is located at the intersection of the "X". The first compression plate 401 includes a compression plane A and a compression plane B that are opposite to each other, wherein the compression plane B faces the second compression plate 402. When the plastic spring is compressed, the compression plane A folds in half and contacts each other, and the upper part of the compression plane B contacts the top support seat 1, and the lower part contacts the connecting seat 3, so that the elasticity and support of the elastic unit 4 have good stability.

[0027] Furthermore, the first compression plate 401 and the second compression plate 402 both include a compression plate A5 and a compression plate B6, which are fixedly connected and arranged in mirror symmetry along the connection position. The first compression plate 401 and the second compression plate 402 have the same structure, and the compression plate A5 and the compression plate B6 are connected to form a ">" shape or a "<" shape, and the compression plate A5 and the compression plate B6 fold in half when compressed.

[0028] refer to Figure 1 and Figure 4A hollow structure 7 is provided in the middle of the first compression plate 401 and the second compression plate 402, and the hollow structure 7 is arranged mirror-symmetrically along the connection position of the compression plate A5 and the compression plate B6. The hollow structure 7 can reduce the amount of raw materials used for the plastic spring, and also facilitates the use of the plastic spring in the pump core of the foam pump to pass through the plastic spring.

[0029] refer to Figure 3 In the same elastic unit 4, the connection position of the compression plate A5 and the compression plate B6 on the first compression plate 401 is recorded as position A8, the connection position of the compression plate A5 and the compression plate B6 on the second compression plate 402 is recorded as position B9, and the connecting plate 403 fixes the connection between position A8 and position B9.

[0030] refer to Figure 1 In the same elastic unit 4, there are two connecting pieces 403, one connecting piece 403 fixedly connects the same end of position A8 and position B9, and the other connecting piece 403 fixedly connects the other end of position A8 and position B9. The connecting piece 403 connects the first compression piece 401 and the second compression piece 402 together, and also serves as a compression support point for the first compression piece 401 and the second compression piece 402 during compression.

[0031] Furthermore, the top support seat 1, the bottom support seat 2 and the plurality of connection seats 3 are all ring-shaped, and a through hole 10 is opened in the middle.

[0032] Furthermore, there are four elastic units 4, and two adjacent elastic units 4 are arranged in mirror symmetry along the connecting seat 3 therebetween.

[0033] refer to Figure 5 A through hole 11 is provided in the middle of the plastic spring, and the through hole 11 passes through the top support seat 1, the bottom support seat 2, multiple connecting seats 3 and multiple elastic units 4. That is to say, the top support seat 1, the bottom support seat 2, multiple connecting seats 3 and multiple elastic units 4 themselves are all provided with connecting holes, and all the connecting holes are connected to form the through hole 11 for inserting the pump core of the foam pump.

[0034] The plastic spring made of plastic material has good elasticity and stability. When used in the foam pump, no corrosion or other problems will occur. At the same time, the same plastic material as the foam pump itself is used, which is conducive to recycling and more environmentally friendly.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall fall within the protection scope of the present invention.

Claims

1. A plastic spring for a foam pump, It is characterized in that It comprises a top support seat (1), a bottom support seat (2) and a plurality of connecting seats (3) arranged in parallel, wherein the plurality of connecting seats (3) are arranged equidistantly between the top support seat (1) and the bottom support seat (2), and elastic units (4) are fixed between the connecting seat (3) and the top support seat (1), between the connecting seat (3) and the bottom support seat (2), and between adjacent connecting seats (3); The elastic unit (4) comprises a first compression plate (401), a second compression plate (402) and a connecting plate (403); the first compression plate (401) is in a "">" shape, the second compression plate (402) is in a "<" shape, the first compression plate (401) and the second compression plate (402) are arranged in a mirror-symmetrical manner, the connecting plate (403) is fixedly connected to the first compression plate (401) and the second compression plate (402); the first compression plate (401), the second compression plate (402) and the connecting plate (403) are in an "X" shape after being connected.

2. A plastic spring for a foam pump according to claim 1, It is characterized in that The first compression plate (401) and the second compression plate (402) both comprise a compression plate A (5) and a compression plate B (6), wherein the compression plate A (5) and the compression plate B (6) are fixedly connected and are arranged in a mirror-symmetrical manner along the connection position.

3. A plastic spring for a foam pump according to claim 2, It is characterized in that A hollow structure (7) is provided in the middle of the first compression plate (401) and the second compression plate (402), and the hollow structure (7) is arranged in a mirror-symmetrical manner along the connection position of the compression plate A (5) and the compression plate B (6).

4. A plastic spring for a foam pump according to claim 2, It is characterized in that In the same elastic unit (4), the connection position of the compression plate A (5) and the compression plate B (6) on the first compression plate (401) is recorded as position A (8), the connection position of the compression plate A (5) and the compression plate B (6) on the second compression plate (402) is recorded as position B (9), and the connecting plate (403) is fixedly connected between position A (8) and position B (9).

5. A plastic spring for a foam pump according to claim 4, It is characterized in that In the same elastic unit (4), there are two connecting pieces (403), one connecting piece (403) fixedly connects the same end of position A (8) and position B (9), and the other connecting piece (403) fixedly connects the other end of position A (8) and position B (9).

6. A plastic spring for a foam pump according to claim 1, It is characterized in that The top support seat (1), the bottom support seat (2) and the plurality of connection seats (3) are all ring-shaped and are all provided with a through hole (10) in the middle.

7. A plastic spring for a foam pump according to claim 1, It is characterized in that There are four elastic units (4), and two adjacent elastic units (4) are arranged in a mirror-symmetrical manner along the connecting seat (3) therebetween.

8. The plastic spring for a foam pump according to claim 1, It is characterized in that A through hole (11) is provided in the middle of the plastic spring, and the through hole (11) passes through the top support seat (1), the bottom support seat (2), the plurality of connection seats (3) and the plurality of elastic units (4).

9. The plastic spring for a foam pump according to claim 1, It is characterized in that The plastic spring is an integrally formed structure.

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