Plastic spring for toothpaste pump

Abstract

The utility model relates to the related technical field of pump heads, in particular to a plastic spring for a toothpaste pump, which comprises a tube body with two ports, one port is provided with an inserting position, and the other port is provided with a spherical tube section; one end, far away from the inserting position, of the spherical pipe section is inserted into the annular part and is fixed with the bottom of the inner side of the annular part. According to the plastic spring, the spherical pipe section is formed on the pipe body, so that the spherical pipe section forms a deformation position, meanwhile, the bottom of the spherical pipe section can be limited through the arranged annular piece, the spherical pipe section is prevented from being excessively deformed or falling off under the action of external force, the stability of the plastic spring is improved, and the overall service life is further prolonged; the plastic spring provided by the utility model is applied to the toothpaste pump, can simultaneously meet the sealing and rebounding functions, realizes the replacement of a metal spring and an upper piston of a traditional toothpaste pump by the plastic spring, realizes the full-plasticizing design of the toothpaste pump, and is convenient for direct recycling of a pump head.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump head related technical field, specifically a toothpaste pump plastic spring. BACKGROUND

[0002] At present, in the application field of daily chemical products, the packaging of material body usually adopts hose packaging and pump type packaging bottle.

[0003] However, with the improvement of people's living standards and the progress of technology, the requirements of various daily necessities packaging structure are also higher and higher, and the appearance of the current hose extrusion type toothpaste tube is particularly old-fashioned, and cannot meet the consumers' requirements for product aesthetics. As a necessary washing and cleaning product in consumers' daily life, the structure of the toothpaste tube containing the material body is simpler, more convenient to use and better in structure, so the appearance and structure of the toothpaste tube are improved to meet the needs of consumers.

[0004] In order to meet the needs of consumers, the pump type toothpaste tube emerges as the times require, and the use method of toothpaste tube pump usually adopts up-down pressing mode. However, the existing toothpaste tube pump adopts metal spring as reset part, which needs to adopt larger pressing force when pressing deformation, and is easy to leave toothpaste at the outlet pipe.

[0005] The existing toothpaste pump adopts silica gel spring or plastic spring instead of metal spring, but after the existing silica gel spring or plastic spring is assembled in the toothpaste pump, the bottom of the silica gel spring or plastic spring is in tubular structure, and the supporting surface is only the annular position of the bottom. When subjected to pressing force, the bottom is easy to crack, and the existing silica gel spring or plastic spring is easy to fail in high temperature environment. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a toothpaste pump plastic spring to solve the problems in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] A toothpaste pump plastic spring comprises:

[0009] The pipe body has two ports, one of which is formed with a plug-in position, and the other is formed with a spherical pipe segment;

[0010] The annular part is inserted into the annular part and fixed with the inner bottom of the annular part.

[0011] The toothpaste pump plastic spring as described above: a clamping groove is formed on the inner side of the port of the tube body close to the insertion site, and the clamping groove is arranged in an annular shape along the circumference of the tube body.

[0012] The toothpaste pump plastic spring as described above: at least one convex ring is formed on the outer wall of the insertion site along the axial direction thereof.

[0013] The toothpaste pump plastic spring as described above: the diameter of one end of the spherical tube segment towards the annular piece is greater than the diameter of the connection between the tube body and the spherical tube segment, so that the spherical tube segment forms a deformation position.

[0014] The toothpaste pump plastic spring as described above: a plurality of reinforcing ribs are arranged at the connection between the spherical tube segment and the tube body.

[0015] The toothpaste pump plastic spring as described above: the plurality of reinforcing ribs are equidistantly distributed along the circumference of the tube body.

[0016] The toothpaste pump plastic spring as described above: the tube body, the spherical tube segment and the annular piece are integrally formed.

[0017] Compared with the prior art, the toothpaste pump plastic spring has the beneficial effects that: the spherical tube segment is formed on the tube body, so that the spherical tube segment forms a deformation position, and the annular piece can limit the bottom of the spherical tube segment, prevent the spherical tube segment from being excessively deformed or falling off when subjected to external force, improve the stability of the plastic spring, and also improve the overall service life.

[0018] The toothpaste pump plastic spring provided by the utility model is applied to a toothpaste pump, can meet the functions of sealing and rebounding at the same time, realizes the replacement of the metal spring and the upper piston of the traditional toothpaste pump by the plastic spring, realizes the full plastic design of the toothpaste pump, and facilitates the direct recycling of the pump head. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the toothpaste pump plastic spring.

[0020] Figure 2 It is a structure schematic view of the toothpaste pump plastic spring from another angle.

[0021] Figure 3 It is a top view of the toothpaste pump plastic spring.

[0022] Figure 4 It is Figure 3 It is a sectional view in the A-A direction.

[0023] Figure 5 It is a force state diagram of the toothpaste pump plastic spring.

[0024] Figure 6 It is a schematic view of the installation state of the toothpaste pump plastic spring in the toothpaste pump.

[0025] In the figure: 111-tube body, 112-spherical tube segment, 113-ring-shaped part, 114-plug-in site, 115-convex ring, 116-clamping groove, 117-stiffening rib, 222-silicone valve, 333-outlet tube. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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 some or all of the specific details set forth in the following description. In some instances, well known structures, materials, and techniques have not been described in great detail in order to avoid obscuring the application.

[0029] Reference will now be made to Figures 1-4 In the embodiment of the present application, a plastic spring for toothpaste pump comprises:

[0030] The tube body 111 has two ports, one of which is formed with a plug-in site 114, and the other of which is formed with a spherical tube segment 112;

[0031] The ring-shaped part 113 is inserted into the ring-shaped part 113 at the end of the spherical tube segment 112 away from the plug-in site 114 and is fixed to the inner bottom of the ring-shaped part 113. The diameter of the end of the spherical tube segment 112 towards the ring-shaped part 113 is greater than the diameter of the connection between the tube body 111 and the spherical tube segment 112, so that the spherical tube segment 112 forms a deformation site.

[0032] In the embodiment, the spherical tube segment 112 is formed on the tube body 111, so that the spherical tube segment 112 forms a deformation site, and the ring-shaped part 113 is provided to limit the bottom of the spherical tube segment 112, preventing the spherical tube segment 112 from being excessively deformed or falling off when subjected to external force, improving the stability of the plastic spring and the overall service life.

[0033] Preferably, the plastic spring is made of TPU material, which makes the elastic performance of the plastic spring more optimal, reduces the problem of the elastic element unable to reset or completely reset when the plastic spring is applied to the toothpaste pump, and still guarantees the rebound function in a high-temperature environment.

[0034] In detail, please refer to Figure 5 When the pipe body 111 is subjected to a pressing force (a vertically downward force), the spherical pipe section 112 is extruded, so that the part a of the spherical pipe section 112 in contact with the annular part 113 is subjected to an outward deformation force in an upward position, at this time, the part a of the spherical pipe section 112 in contact with the annular part 113 can play an effective limiting role, so that the bottom of the spherical pipe section 112 will not have the problem of excessive pressure deformation or cracking.

[0035] The plastic spring provided by the utility model is applied to a toothpaste pump, can meet the functions of sealing and rebounding at the same time, realizes replacement of the metal spring and the upper piston of the traditional toothpaste pump by the plastic spring, realizes full plastic design of the toothpaste pump, and facilitates direct recycling of the pump head.

[0036] Please refer to Figure 6 The arrangement of the annular part 113 also provides stability for installation of the plastic spring, during installation, the annular part 113 can be directly limited in the upward and downward directions, and will not affect deformation of the spherical pipe section 112.

[0037] Further, please refer to Figure 1 , Figure 4 and Figure 6 The plastic spring is applied to a toothpaste pump for understanding, the port of the pipe body 111 close to the insertion site 114 is formed with a clamping groove 116, the clamping groove 116 is arranged in an annular shape along the circumference direction of the pipe body 111, and the clamping groove 116 is used for placing a silica gel valve 222 in the toothpaste pump, so as to realize installation and fixation of the silica gel valve 222.

[0038] Further, please refer to Figure 1 , Figure 4 and Figure 6 At least one convex ring 115 is formed on the outer wall of the insertion site 114 along the axial direction, the convex ring 115 is matched with a groove formed on the discharge pipe 333, and the connection between the silica gel spring and the discharge pipe 333 is realized.

[0039] Please refer to Figure 1The connecting part of the spherical pipe section 112 and the pipe body 111 is provided with a plurality of reinforcing ribs 117, preferably, the plurality of reinforcing ribs 117 are equidistantly distributed along the circumference of the pipe body 111, the plurality of reinforcing ribs 117 are arranged in a circumferential interval, the inner side of the reinforcing rib 117 is connected and fixed with the outer side of the pipe body 111, and the bottom of the reinforcing rib 117 is connected and fixed with the outer top of the spherical pipe section 112, which not only strengthens the connecting strength of the spherical pipe section 112 and the pipe body 111, but also maintains the shape stability of the spherical pipe section 112 and the pipe body 111.

[0040] It should be noted that the pipe body 111, the spherical pipe section 112 and the annular part 113 are integrally formed, which enhances the structural strength between the pipe body 111, the spherical pipe section 112 and the annular part 113, ensures the stability and durability of the plastic spring during use, and in addition, the integrally formed structure reduces the assembly error between components, improves the overall assembly precision, and makes the application of the plastic spring in the toothpaste pump more reliable.

[0041] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they belong.

[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A plastic spring for a toothpaste pump, characterized in that The utility model relates to a kind of pipe body (111), with two ports, one of which forms with the insertion site (114), the other port forms with the spherical pipe section (112);Annular part (113), the spherical pipe section (112) is inserted into the annular part (113) and is fixed with the inside bottom of annular part (113) at one end away from the insertion site (114). The port of the pipe body (111) is formed with a clamping groove (116) near the inside of the insertion site (114), and the clamping groove (116) is arranged in a ring shape along the circumference of the pipe body (111). At least one convex ring (115) is formed on the outer wall of the insertion site (114) along its axial direction.

2. A plastic spring for a toothpaste pump according to claim 1, characterized in that The diameter of the spherical pipe section (112) at one end towards the annular part (113) is greater than the diameter at the connection between the pipe body (111) and the spherical pipe section (112), so that the spherical pipe section (112) forms a deformation site.

3. A plastic spring for toothpaste pump according to claim 1, characterized in that, A plurality of reinforcing ribs (117) are provided at the connection between the spherical pipe section (112) and the pipe body (111).

4. A plastic spring for toothpaste pump according to claim 1, characterized in that, The plurality of reinforcing ribs (117) are distributed equidistantly along the circumference of the pipe body (111).

5. A plastic spring for toothpaste pump according to claim 1, wherein, The pipe body (111), the spherical pipe section (112) and the annular part (113) are integrally formed.

6. A plastic spring for a toothpaste pump according to claim 5, characterized in that ​ 7. A plastic spring for toothpaste pump according to claim 1, wherein, ​

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