Buckling and pressing type plastic bucket

Abstract

The utility model provides a buckling and pressing type plastic bucket which comprises a hollow plastic bucket body, a clamping portion used for being connected with a top cover in a clamping mode is formed close to the upper edge of the plastic bucket body, and the clamping portion is in a concave shape from the surface of the plastic bucket body. A cover edge part extending downwards extends out of the edge of the buckling cover, and a buckle used for being matched with the clamping part is formed on the inner side of the cover edge part; wherein the inner diameter of the cover edge part is smaller than the outer diameter of the top of the plastic bucket main body, and the clamping part and the top edge of the plastic bucket main body are arranged at an interval. The packaging type design is easy to integrate in an installation production line, the whole structure can be formed through two-time injection molding, the production speed is high, and the sealing effect is good.

Description

Technical Field

[0001] The utility model relates to the plastic barrel manufacturing industry and thus provides a buckle-type plastic barrel. Background Art

[0002] Plastic barrels are packaging tools that are often used in daily life. The current packaging barrels are generally set up as an integrated injection molding process and blow-molded by a screw extruder. The defects of the existing technology are mainly as follows: ① In daily use, plastic barrel units generally use spiral rotating end caps as sealing components to be installed on the barrel body. This screw-connected end cap is easy to disengage in a high-vibration environment during transportation, which will cause material leakage. In addition, the threaded connection conveying method must use plastic materials for storage and transportation of some special gases, such as sulfur dioxide. ② The existing storage unit has a weak sealing effect. In this case, it is necessary to provide a sealing unit that is suitable for storage and can achieve multiple seals with good sealing effect. Summary of the invention

[0003] The utility model aims to at least solve the problem of poor sealing effect in the prior art. The utility model provides a snap-on plastic barrel, which realizes three-stage sealing and can effectively prevent the top cover from being disengaged due to external interference. The technical solution provided is: a snap-on plastic barrel is provided, comprising a hollow plastic barrel body, a clamping part for clamping the top cover is formed near the upper edge of the plastic barrel body, and the clamping part is recessed from the surface of the plastic barrel body; a snap cover, a cover edge extending downward is extended from the edge of the snap cover, and a snap for cooperating with the clamping part is formed on the inner side of the cover edge; wherein the inner diameter of the cover edge is smaller than the outer diameter of the top of the plastic barrel body, and the clamping part is spaced apart from the top edge of the plastic barrel body.

[0004] Further, the clamping part is annular, and correspondingly, the buckle is annular in shape matching the clamping part. Further, the clamping part near the outer edge of the plastic barrel body forms a horizontal groove portion concave toward the center of the plastic barrel body, and a fixing portion extending from the extended end of the groove portion, and the fixing portion and the groove portion form an angle. Further, the fixing portion and the groove portion form a right angle.

[0005] Furthermore, the buckle also has an extension portion extending from the inner wall of the plastic barrel body, and a clamping strip formed from one end of the extension portion or above the extension portion and embedded in the slot portion.

[0006] Furthermore, the clamping strip is a sloped wedge-shaped block, the side of the clamping strip away from the buckle cover is a plane, and the side of the clamping strip close to the buckle cover is an inclined sloped surface. After the clamping strip enters the clamping part, the sloped surface of the clamping strip abuts against the inclined surface formed on the fixing part.

[0007] Furthermore, a chamfer is provided along the edge of the top of the plastic barrel body, and a rubber ring is provided between the upper edge of the chamfer and the inner edge of the plastic barrel body.

[0008] Furthermore, the inner cavity of the buckle cover is stepped, and the step edge forms a second chamfered surface, and the second chamfered surface matches the sloped surface.

[0009] Furthermore, a plurality of radially expanded ring parts are arranged on the outer wall of the plastic barrel body along the axial direction.

[0010] The beneficial effects compared with the prior art are:

[0011] The redesigned clip part is set on the lower side of the plastic barrel body. After the snap cover is installed, it will be sealed in the middle of the plastic barrel body. At the same time, because the design size of the snap cover is exactly the same as the size of the plastic barrel body, the side of the snap cover can fit tightly with the side edge of the top of the plastic barrel body after the snap cover is installed, and a seal can be formed there. The combination position of the clip part and the buckle can form a secondary seal, and the position of the rubber ring can be combined with the snap cover again to form a tertiary seal. In terms of structural design, the conventional threaded connection is avoided through the snap-in design, solving the hidden danger of its easy loosening. The encapsulated design is easy to integrate into the installation production line. The overall structure can be formed by two injection moldings, with fast production speed and good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the overall structure diagram of the buckle type plastic barrel.

[0013] Figure 2 It is a cross-sectional structural diagram of a snap-on plastic barrel.

[0014] Figure 3 It is a structural diagram of the clamping part and the buckle joint of the buckle-type plastic barrel.

[0015] Figure 4 It is an enlarged view of the structure at the clamping part. DETAILED DESCRIPTION

[0016] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details that hinder the description of the present application. The present invention is further described below with reference to Figures 1-4:

[0017] like Figure 1-4As shown, a buckle-type plastic barrel is provided, including a hollow plastic barrel body 4, a clamping portion 6 for clamping a top cover is formed near the upper edge of the plastic barrel body 4 and around the plastic barrel body 4, the clamping portion 6 is annular, and the clamping portion 6 surrounds the top of the plastic barrel body 4, and correspondingly, a buckle 5 is formed at the bottom end of the buckle cover 1, and the buckle 5 is a ring-shaped shape matching the buckle 6, and the buckle 5 can be clamped at the position of the clamping portion 6. To further explain in detail, the clamping portion 6 is recessed from the surface of the plastic barrel body 4, that is, the clamping portion 6 is a circular clamping groove surrounding the plastic barrel body 4, and the buckle 5 is an embedded body that can be embedded in the clamping groove. The portion of the clamping portion 6 close to the outer edge of the plastic barrel body 4 forms a horizontal groove portion 6b recessed toward the center of the plastic barrel body 4, and a fixing portion 6c extending from the extending end of the groove portion 6b, the fixing portion 6c forms an angle with the groove portion 6b, the angle is a right angle, and the inner groove shape of the fixing portion 6c is a gradually narrowing right-angle triangle. The buckle 5 has an extension portion 5a extending from the inner wall of the buckle cover 1, and a clamping strip 5c embedded in the groove portion formed from one end of the extension portion 5a or above the extension portion 5a. To ensure that the clamping strip 5c is tightly clamped in the clamping slot, the clamping strip 5c is perpendicular to the inner wall of the buckle cover 1 and horizontally extends inward to form a horizontal extension portion 5b, and a sloped wedge block 5c is provided at the end of the extension portion 5b. The clamping strip 5c has two front and rear side surfaces, one of which is a plane away from the buckle cover 1, and the side of the clamping strip 5c close to the buckle cover 1 is an inclined sloped surface. After the clamping strip 5c enters the clamping slot, the plane side of the clamping strip 5c away from the buckle cover 1 will be tightly combined with the plane side of the fixing portion, and the sloped side of the clamping strip 5c close to the buckle cover 1 will be tightly combined with the sloped side of the fixing portion. The sloped surface of the clamping strip 5c abuts against the slope formed on the fixing portion to form a seal. The buckle cover 1 has a side edge portion extending along the edge, and the buckle 5 is formed on the inner side of the bottom of the buckle cover 1 and close to the lower edge. The top of the plastic barrel body 4 is provided with a first chamfered surface along the edge, and a plane is formed between the chamfered upper edge and the inner edge of the plastic barrel body 4, and a rubber ring is installed on the plane. The buckle cover 1 is stepped, and the bottom of the buckle cover 1 has a stepped surface 2, and a second chamfered surface is formed at the stepped edge, and the second chamfered surface matches the first chamfered surface at the top of the plastic barrel body 4.

[0018] To ensure a tight fit, the inner diameter of the cover edge is smaller than the outer diameter of the top of the plastic barrel body 4, the clamping portion 6 is spaced apart from the top edge of the plastic barrel body 4, and a certain space is reserved between the two, the buckle 5 can enter the clamping portion 6 and the buckle 5 is bent, wherein the extension portion 5a can be limited in the fixed portion, and when it is pulled outward, the inclined friction between the extension portion 5a and the fixed portion is greater than the vertical friction between the extension portion 5a and the fixed portion, and the bent shape can ensure that the buckle 5 will not fall out of the clamping portion 6, and it is a self-limiting clamping connection.

[0019] The outer wall of the plastic barrel body 4 is provided with a plurality of radially expanded ring parts along the axial direction, and the cross section of the ring parts is elliptical.

[0020] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A snap-on plastic barrel, characterized in that: Including a hollow plastic barrel body, A clamping portion for clamping the top cover is formed near the upper edge of the plastic barrel body, and the clamping portion is recessed from the surface of the plastic barrel body; A buckle cover, wherein the edge of the buckle cover extends outwardly and a cover edge portion extends downwardly, and a buckle for cooperating with the snap-fit ​​portion is formed on the inner side of the cover edge portion; The inner diameter of the cover edge is smaller than the outer diameter of the top of the plastic barrel body, and the clamping portion is spaced apart from the top edge of the plastic barrel body.

2. The buckle-type plastic barrel according to claim 1, characterized in that: The clamping portion is annular, and correspondingly, the buckle is annular in shape matching the clamping portion.

3. The buckle-type plastic barrel according to claim 2, characterized in that: The portion of the clamping part close to the outer edge of the plastic barrel body forms a horizontal groove portion concave toward the center of the plastic barrel body, and a fixing portion extending from the extending end of the groove portion, and the fixing portion forms an angle with the groove portion.

4. The buckle-type plastic barrel according to claim 3, characterized in that: The fixing portion and the slotted portion form a right angle.

5. The snap-on plastic barrel according to claim 3, characterized in that: The buckle also comprises an extension portion extending from the inner wall of the plastic barrel body, and a clamping strip formed from one end of the extension portion or above the extension portion and embedded in the slot portion.

6. The buckle-type plastic barrel according to claim 5, characterized in that: The clamping strip is a sloped wedge-shaped block, the side of the clamping strip away from the buckle cover is a plane, and the side of the clamping strip close to the buckle cover is an inclined sloped surface. After the clamping strip enters the clamping part, the sloped surface of the clamping strip abuts against the inclined surface formed on the fixing part.

7. The buckle-type plastic barrel according to claim 1, characterized in that: The top of the plastic barrel body is provided with a chamfer along the edge, and a rubber ring is provided between the upper edge of the chamfer and the inner edge of the plastic barrel body.

8. The snap-on plastic barrel according to claim 1, characterized in that: A plurality of radially expanded ring parts are arranged on the outer wall of the plastic barrel body along the axial direction.

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