Clamp structure for plastic bucket and plastic bucket

By designing a clamp structure including hoop ring and snap set, the problem of insufficient connection and limited application scope in the prior art is solved, and the stable connection and wide applicability of the plastic bucket cover and the barrel body are achieved.

CN222630028UActive Publication Date: 2025-03-18CHANGZHOU CENTRWAY PLASTICS
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421465208.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-18
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing plastic barrel clamp connection is not firm enough, has poor stability, has limited scope of application, and is difficult to apply to plastic barrels of different sizes.

Method used

A clamp structure including a hoop and a snap set is designed. The hoop is designed through the fitting of the boss and the slot, the design of the fixing seat and the sliding cavity, the fitting of the support plate and the connecting spring, to achieve a stable connection between the barrel cover and the barrel body.

Benefits of technology

It realizes a stable connection between the barrel lid and the barrel body, has good sealing performance, a wide range of application, and is reusable without destroying the structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222630028U_ABST
    Figure CN222630028U_ABST
Patent Text Reader

Abstract

The utility model discloses a hoop structure for a plastic bucket, which is used for fixedly connecting a bucket body and a bucket cover of the plastic bucket, a circle of boss is arranged on the outer wall of the bucket body, the lower edge of the bucket cover is abutted against the boss, the outer wall of the boss is flush with the outer wall of the bucket cover, and the hoop structure comprises a hoop ring and a buckle group, the buckle set comprises a fixed seat fixedly arranged on the can body, the hoop ring is provided with a fixed end and a movable end, the fixed end of the hoop ring is fixedly connected to one end of the fixed seat, the movable end of the hoop ring is slidably connected with the fixed seat, and the inner side wall of the hoop ring abuts against the boss and the outer wall of the can cover. A sliding cavity allowing the movable end of the hoop ring to penetrate through is formed in the fixing base, a plurality of clamping grooves are formed in the outer wall of the movable end of the hoop ring, and supporting pieces corresponding to the clamping grooves are arranged in the sliding cavity. The barrel cover and the barrel body are stably connected, the sealing performance is good, the application range is wide, and reutilization can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of plastic barrels, in particular to a clamp structure for a plastic barrel and a plastic barrel. Background Art

[0002] Plastic barrels are mostly used for the storage and transportation of various liquids. They have good characteristics for special dangerous goods packaging. They are not easy to break, rust-free, light, and have excellent oil and strong corrosion resistance. They are mostly used for dangerous goods packaging that require heat preservation, moisture resistance, pressure resistance, and corrosion resistance. Plastic barrels are mostly made of polyethylene, polypropylene, polyester and other plastics through blow molding, injection molding, suction molding, and rotational molding. They are mostly used to hold liquids and solid items in the chemical, pesticide, pharmaceutical, food, hardware and electronics, and electromechanical industries. Plastic barrels are usually composed of a barrel body and a barrel cover, and the barrel body and the barrel cover need to be connected when in use.

[0003] For example, the Chinese patent with the announcement number CN220148035U discloses a plastic chemical barrel with a barrel cover having a clamp structure, which relates to the technical field of plastic chemical barrels, and specifically includes a barrel body, wherein an inner liner is fixedly connected to the inner cavity of the barrel body, the top of the barrel body is connected to the barrel cover body through a clamp structure, a shielding cover is clamped on the outer surface of the clamp structure, an isolation pad is fixedly connected to the outer surface of the barrel body, and a reflective pad is fixedly connected to the outer surface of the isolation pad; the clamp structure includes a hoop movably connected to the barrel cover body, one end of the outer side of the hoop is movably connected to a handle, and the other end of the hoop is connected to the handle through a connecting rod. The plastic chemical barrel with a barrel cover having a clamp structure can separate the barrel body and the barrel cover body from the chemical coating through the arrangement of the inner liner and the inner pad. After removing the inner liner and the inner pad, the barrel body and the barrel cover can be quickly recycled and reused, thereby improving the recycling efficiency of the plastic chemical barrel.

[0004] The clamp structure has a relatively single applicability. When used for plastic barrels of different sizes, it needs to be re-molded according to the size of the plastic barrel, which is not economical and practical. At the same time, the connection is not firm enough and the stability is poor. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to overcome the defects of the existing technical problems and provide a clamp structure for a plastic barrel and a plastic barrel, wherein the barrel cover and the barrel body are stably connected, the sealing performance is good, the application range is wide and the barrel can be reused.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a clamp structure for a plastic barrel, which is used to fix the barrel body and the barrel cover, the outer wall of the barrel body is provided with a circle of bosses, the lower edge of the barrel cover abuts on the bosses, the outer wall of the bosses is flush with the outer wall of the barrel cover, including a hoop and a buckle group, the buckle group includes a fixed seat fixedly arranged on the barrel body, the hoop has a fixed end and a movable end, the fixed end of the hoop is fixedly connected to one end of the fixed seat, the movable end of the hoop is slidably connected to the fixed seat and the inner side wall of the hoop abuts on the boss and the outer wall of the barrel cover, the fixed seat is provided with a sliding cavity for the movable end of the hoop to pass through, the outer wall of the movable end of the hoop is provided with a plurality of slots, and a support sheet corresponding to the slot is provided in the sliding cavity.

[0007] Furthermore, an annular step is fixedly provided on the outer wall of the barrel body, and the boss is fixedly provided on the annular step.

[0008] Furthermore, the fixing seat is fixedly arranged on the annular step, a through hole for installing the fixing seat is opened on the annular step, a connecting column is fixedly installed on the bottom of the fixing seat, and the other end of the connecting column passes through the through hole and extends to below the annular step.

[0009] Furthermore, an end of the connecting column located below the annular step is provided with an external thread section, and a nut is threadedly connected to the external thread section, and the nut abuts against the annular step.

[0010] Furthermore, one end of the support plate is rotatably mounted on the side wall of the sliding cavity away from the barrel body, and the other end of the support plate is fixedly connected to a connecting spring, and the other end of the connecting spring is fixedly mounted on the side wall of the sliding cavity away from the barrel body. When the connecting spring is in a natural state, one end of the connecting spring on the support plate abuts against the side wall of the sliding cavity close to the barrel body.

[0011] Furthermore, a sliding rod is fixedly provided on the support sheet, a sliding channel communicating with the sliding cavity is provided on the fixing seat, and the other end of the sliding rod passes through the sliding channel and extends to the outside of the fixing seat.

[0012] Furthermore, the sliding channel is an arc-shaped channel consistent with the movement trajectory of the support sheet.

[0013] Furthermore, the buckle group also includes a fixing buckle rotatably arranged on the fixing seat, the fixing buckle includes two rotating rods rotatably arranged on the fixing seat, the other end of the rotating rod is fixedly provided with a connecting rod, the other end of the connecting rod is slidably provided with a sleeve rod, the sleeve rod is sleeved on one end of the connecting rod away from the rotating rod and the end of the connecting rod is fixedly connected to the inner wall of the sleeve rod with a telescopic spring, and a clamping plate is fixedly connected between the two sleeve rods.

[0014] Furthermore, a plurality of movable buckles are slidably provided on the outer side wall of the hoop, and a fixed buckle is rotatably provided on the movable buckle.

[0015] Furthermore, the utility model also provides a plastic barrel, comprising any one of the above-mentioned clamp structures for the plastic barrel.

[0016] By adopting the above technical solution, the utility model has the following beneficial effects:

[0017] 1. When the hoop completely surrounds and covers the barrel body and the barrel cover, and the inner side wall of the hoop completely abuts against the outer wall of the boss and the barrel cover, the support sheet is inserted into the corresponding slot to fix the position of the hoop. At the same time, the hoop fixes the barrel cover and the barrel body so that the barrel cover and the barrel body will not separate. At the same time, the resistance of the hoop is large when sliding in the reverse direction, and the support sheet will not move, so that the hoop will not fall off from the fixing buckle;

[0018] 2. The support piece is inserted into different slots, which can be used to connect barrels of different sizes with barrel covers;

[0019] 3. A fixing buckle is rotatably provided on the fixing seat, and a pressing piece on the fixing buckle abuts against the barrel cover to further seal and fix the connection between the barrel cover and the barrel body;

[0020] 4. When in use, the structure of the hoop and the buckle assembly will not be damaged, so that the hoop and the buckle assembly can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of a clamp structure for a plastic barrel in Embodiment 1 of the utility model;

[0022] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;

[0023] Figure 3 for Figure 2 A magnified view of part A in FIG.

[0024] Figure 4 It is a structural schematic diagram of the hoop and buckle assembly of the utility model;

[0025] Figure 5It is a structural schematic diagram of the fixing buckle of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the fixing seat of the utility model;

[0027] Figure 7 It is a schematic diagram of the connection between the hoop and the fixing seat of the utility model;

[0028] Figure 8 It is a structural schematic diagram of the clamp structure for a plastic barrel in the second embodiment of the utility model.

[0029] Reference numerals: 1, barrel body; 2, barrel cover; 3, hoop; 4, buckle assembly;

[0030] 11. annular step; 12. boss; 13. through hole; 21. sealing ring;

[0031] 31. Fixed end; 32. Movable end; 33. Card slot; 34. Movable buckle;

[0032] 41. fixing seat; 411. connecting column; 412. nut; 413. sliding cavity; 414. supporting sheet; 415. connecting spring; 416. sliding rod; 417. sliding channel;

[0033] 42. fixing buckle; 421. rotating rod; 422. connecting rod; 423. sleeve rod; 424. telescopic spring; 425. pressing plate. DETAILED DESCRIPTION

[0034] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0035] Embodiment 1

[0036] like Figure 1-7 As shown, in this embodiment, a clamp structure for a plastic barrel and a plastic barrel are provided. The plastic barrel comprises a barrel body 1 and a barrel cover 2. The clamp structure is used to fix the barrel body 1 and the barrel cover 2 together, and comprises a hoop ring 3 and a buckle group 4. The hoop ring 3 is used to cover and fix the barrel body 1 and the barrel cover 2 of the plastic barrel. The buckle group 4 comprises a fixing seat 41 fixedly arranged on the barrel body 1 of the plastic barrel. The hoop ring 3 has a fixed end 31 and a movable end 32. The fixed end 31 of the hoop ring 3 is fixedly connected to one end of the fixing seat 41. The movable end 32 of the hoop ring 3 surrounds and covers the barrel body 1 and the barrel cover 2 and is slidably connected to the fixing seat 41.

[0037] like Figure 2-3As shown, in this embodiment, the upper end of the barrel body 1 of the plastic barrel is open, and an annular step 11 is fixedly provided on the outer wall of the barrel body 1, and the annular step 11 is located below the upper opening of the barrel body 1. A circle of bosses 12 are provided on the annular step 11 along the outer wall of the barrel body 1, and the lower edge of the barrel cover 2 abuts on the boss 12, and the width of the boss 12 corresponds to the thickness of the side wall of the barrel cover 2, so that the outer wall of the boss 12 is flush with the outer wall of the barrel cover 2, and the inner wall of the barrel cover 2 abuts on the outer wall of the barrel body 1, and a sealing ring 21 is fixedly provided on the top wall of the barrel cover 2, and the upper edge of the barrel body 1 abuts against the sealing ring 21.

[0038] like Figure 1-7 As shown, in the present embodiment, the fixing seat 41 is fixedly arranged on the annular step 11, and the side of the fixing seat 41 close to the outer wall of the barrel body 1 abuts against the outer wall of the boss 12 and the barrel cover 2, and the fixing end 31 of the hoop 3 is fixedly connected to one end of the fixing seat 41 and the inner wall of the hoop 3 is flush with the inner side surface of the fixing seat 41, so that the hoop 3 can abut against the outer wall of the boss 12 and the barrel cover 2.

[0039] like Figure 1-7 As shown, in the present embodiment, a through hole 13 for installing a fixing seat 41 is opened on the annular step 11, and a connecting column 411 is fixedly installed on the bottom of the fixing seat 41, and the connecting column 411 can pass through the through hole 13 on the annular step 11, and one end of the connecting column 411 away from the fixing seat 41 passes through the through hole 13 and extends to the bottom of the annular step 11, and one end of the connecting column 411 located below the annular step 11 is provided with an external thread section, and a nut 412 is threadedly connected to the external thread section. Specifically, the nut 412 is sleeved on the end of the connecting column 411 with the external thread section and the nut 412 is rotated so that the nut 412 abuts against the annular step 11, so as to complete the fixed connection between the fixing seat 41 and the plastic barrel.

[0040] like Figure 1-7As shown, in the present embodiment, a sliding cavity 413 is provided on the fixing seat 41 for the movable end 32 of the hoop 3 to pass through, a plurality of slots 33 are provided on the outer wall of the movable end 32 of the hoop 3, and a supporting piece 414 corresponding to the slot 33 is provided in the sliding cavity 413. Specifically, one end of the supporting piece 414 is rotatably mounted on the side wall of the sliding cavity 413 away from the barrel body 1, and the other end of the supporting piece 414 is fixedly connected with a connecting spring 415, and the other end of the connecting spring 415 is fixedly mounted on the side wall of the sliding cavity 413 away from the barrel body 1. When the connecting spring 415 is in a natural state, one end of the connecting spring 415 on the supporting piece 414 abuts against the side wall of the sliding cavity 413 close to the barrel body 1, so that the movable end 32 of the hoop 3 is extended into the sliding cavity 413 and the hoop 3 is pushed so that the movable end 32 of the hoop 3 is moved in the sliding cavity The support sheet 414 slides in the cavity 413, and one end of the connecting spring 415 on the support sheet 414 is subjected to the squeezing force from the hoop 3, so that the connecting spring 415 is compressed, and one end of the connecting spring 415 on the support sheet 414 is away from the side wall of the sliding cavity 413 close to the barrel body 1, so that the movable end 32 of the hoop 3 can slide in the sliding cavity 413. When the hoop 3 completely surrounds and covers the barrel body 1 and the barrel cover 2 and the inner side wall of the hoop 3 completely abuts against the outer wall of the boss 12 and the barrel cover 2, the support sheet 414 is inserted into the corresponding slot 33 to fix the position of the hoop 3. At the same time, the hoop 3 fixes the barrel cover 2 and the barrel body 1, so that the barrel cover 2 and the barrel body 1 will not separate. At the same time, the resistance of the hoop 3 is large when it slides in the opposite direction, and the support sheet 414 will not move, so that the hoop 3 will not fall off the fixing seat 41, thereby preventing the barrel cover 2 from separating from the barrel body 1.

[0041] like Figure 6-7 As shown, in this embodiment, a sliding rod 416 is also fixed on the support sheet 414, and a sliding channel 417 connected to the sliding cavity 413 is opened on the fixed seat 41. The other end of the sliding rod 416 extends to the outside of the fixed seat 41 through the sliding channel 417. Since the support sheet 414 is rotatably mounted on the side wall of the sliding cavity 413, its movement trajectory is arc-shaped, so the sliding channel 417 is an arc-shaped channel consistent with the movement trajectory of the support sheet 414.

[0042] like Figure 4-5As shown, in this embodiment, the buckle group 4 also includes a fixed buckle 42 rotatably arranged on the fixed seat 41, and the fixed buckle 42 includes two rotating rods 421 rotatably arranged on the fixed seat 41, and the other end of the rotating rod 421 is fixedly provided with a connecting rod 422, and the other end of the connecting rod 422 is slidably provided with a sleeve rod 423, and the sleeve rod 423 is sleeved on one end of the connecting rod 422 away from the rotating rod 421, and the end of the connecting rod 422 and the inner wall of the sleeve rod 423 are fixedly connected with a telescopic spring 424, and the two A clamping piece 425 is fixedly connected between the sleeve rods 423. The clamping piece 425 is pulled so that the sleeve rod 423 moves under force, the telescopic spring 424 is stretched, and at the same time, the clamping piece 425 rotates toward the barrel cover 2 until the clamping piece 425 is located above the barrel cover 2. The clamping piece 425 is released, the telescopic spring 424 is reset, and the sleeve rod 423 drives the clamping piece 425 to move toward the barrel cover 2, so that the clamping piece 425 abuts against the barrel cover 2, thereby further sealing and fixing the connection between the barrel cover 2 and the barrel body 1.

[0043] The use process of the utility model is as follows: put the barrel cover 2 on the barrel body 1, at this time, the lower edge of the barrel cover 2 abuts on the boss 12 of the barrel body 1, the inner wall of the barrel cover 2 abuts on the outer wall of the barrel body 1, and the upper edge of the barrel body 1 abuts against the sealing ring 21 on the barrel cover 2; pass the connecting column 411 at the bottom of the fixing seat 41 through the through hole 13 on the annular step 11, and put the nut 412 on the end with the external thread on the connecting column 411 and rotate the nut 412 so that the nut 412 abuts on the annular step 11 to complete the fixed connection between the fixing seat 41 and the plastic barrel; surround the hoop 3 with the fixing seat 41, and then tighten the hoop 3 to fix the fixing seat 41 and the plastic barrel. To the outside of the barrel body 1 and the barrel cover 2, the movable end 32 of the hoop 3 is extended into the sliding cavity 413 and the hoop 3 is pushed so that the movable end 32 of the hoop 3 slides in the sliding cavity 413, and the end of the support sheet 414 with the connecting spring 415 is subjected to the extrusion force from the hoop 3, so that the connecting spring 415 is compressed, and the end of the support sheet 414 with the connecting spring 415 is away from the side wall of the sliding cavity 413 close to the barrel body 1, so that the movable end 32 of the hoop 3 can slide in the sliding cavity 413, when the inner side wall of the hoop 3 is completely abutted against the boss 12 and the barrel cover 2 When the clamping piece 425 is on the outer wall of the barrel, the supporting piece 414 is inserted into the corresponding clamping groove 33, so that the position of the hoop 3 can be fixed. At the same time, when the hoop 3 slides in the opposite direction, the resistance is large, and the supporting piece 414 will not move, so that the hoop 3 will not fall off the fixing seat 41; the pressing piece 425 is pulled, so that the sleeve rod 423 is forced to move, the telescopic spring 424 is stretched, and at the same time, the pressing piece 425 is rotated toward the barrel cover 2 until the pressing piece 425 is located above the barrel cover 2, and the pressing piece 425 is released, the telescopic spring 424 is reset, and the sleeve rod 423 drives the pressing piece 425 to move toward the barrel cover 2, so that the pressing piece 425 The tightening piece 425 abuts against the barrel cover 2 to further seal and fix the connection between the barrel cover 2 and the barrel body 1; when the plastic barrel is in use, the pressing piece 425 is first pulled away from the barrel cover 2, and then the pressing piece 425 is loosened to allow the fixing buckle 42 to fall freely, and the sliding rod 416 is moved to move it in the sliding channel 417, thereby driving the support piece 414 to move, so that the support piece 414 is disengaged from the slot 33, and the hoop 3 is pulled to disengage the movable end 32 from the fixing seat 41, so that the barrel cover 2 and the barrel body 1 can be separated, which can be reused and meet the use of plastic barrels of different sizes.

[0044] Embodiment 2

[0045] like Figure 8 As shown, the difference between this embodiment and the first embodiment is that, in this embodiment, a plurality of movable buckles 34 are slidably provided on the outer wall of the hoop 3, and a fixed buckle 42 is also rotatably provided on the movable buckle 34, so as to further improve the connection stability between the barrel cover 2 and the barrel body 1.

[0046] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamp structure for a plastic barrel, used for fixedly connecting a barrel body (1) and a barrel cover (2) of the plastic barrel, wherein the outer wall of the barrel body (1) is provided with a circle of bosses (12), the lower edge of the barrel cover (2) abuts against the bosses (12), and the outer wall of the bosses (12) is flush with the outer wall of the barrel cover (2), characterized in that: The invention comprises a hoop ring (3) and a buckle group (4), wherein the buckle group (4) comprises a fixing seat (41) fixedly arranged on the barrel body (1), the hoop ring (3) having a fixed end (31) and a movable end (32), the fixed end (31) of the hoop ring (3) being fixedly connected to one end of the fixing seat (41), the movable end (32) of the hoop ring (3) being slidably connected to the fixing seat (41), and the inner side wall of the hoop ring (3) abutting against the boss (12) and the outer wall of the barrel cover (2), the fixing seat (41) being provided with a sliding cavity (413) for the movable end (32) of the hoop ring (3) to pass through, the outer wall of the movable end (32) of the hoop ring (3) being provided with a plurality of slots (33), and a supporting sheet (414) corresponding to the slots (33) being provided in the sliding cavity (413).

2. A clamp structure for a plastic barrel according to claim 1, characterized in that: An annular step (11) is fixedly provided on the outer wall of the barrel body (1), and the boss (12) is fixedly provided on the annular step (11).

3. A clamp structure for a plastic barrel according to claim 2, characterized in that: The fixing seat (41) is fixedly arranged on the annular step (11); a through hole (13) for mounting the fixing seat (41) is provided on the annular step (11); a connecting column (411) is fixedly mounted on the bottom of the fixing seat (41); the other end of the connecting column (411) passes through the through hole (13) and extends to below the annular step (11).

4. A clamp structure for a plastic barrel according to claim 3, characterized in that: An end of the connecting column (411) located below the annular step (11) is provided with an external thread section, and a nut (412) is threadedly connected to the external thread section, and the nut (412) abuts against the annular step (11).

5. The clamp structure for a plastic barrel according to claim 1, characterized in that: One end of the support sheet (414) is rotatably mounted on the side wall of the sliding cavity (413) away from the barrel body (1), and the other end of the support sheet (414) is fixedly connected to a connecting spring (415), and the other end of the connecting spring (415) is fixedly mounted on the side wall of the sliding cavity (413) away from the barrel body (1). When the connecting spring (415) is in a natural state, one end of the connecting spring (415) on the support sheet (414) abuts against the side wall of the sliding cavity (413) close to the barrel body (1).

6. The clamp structure for a plastic barrel according to claim 1, characterized in that: A sliding rod (416) is also fixedly provided on the support sheet (414), and a sliding channel (417) communicating with the sliding cavity (413) is provided on the fixing seat (41), and the other end of the sliding rod (416) passes through the sliding channel (417) and extends to the outside of the fixing seat (41).

7. A clamp structure for a plastic barrel according to claim 6, characterized in that: The sliding channel (417) is an arc-shaped channel that is consistent with the movement trajectory of the support sheet (414).

8. The clamp structure for a plastic barrel according to claim 1, characterized in that: The buckle assembly (4) further comprises a fixing buckle (42) rotatably arranged on the fixing seat (41), the fixing buckle (42) comprising two rotating rods (421) rotatably arranged on the fixing seat (41), a connecting rod (422) being fixedly arranged at the other end of the rotating rod (421), a sleeve rod (423) being slidably arranged at the other end of the connecting rod (422), the sleeve rod (423) being sleeved on one end of the connecting rod (422) away from the rotating rod (421), and a telescopic spring (424) being fixedly connected between the end of the connecting rod (422) and the inner wall of the sleeve rod (423), and a pressing sheet (425) being fixedly connected between the two sleeve rods (423).

9. The clamp structure for a plastic barrel according to claim 1, characterized in that: A plurality of movable buckles (34) are slidably provided on the outer side wall of the hoop (3), and a fixing buckle (42) is rotatably provided on the movable buckle (34).

10. A plastic barrel, characterized in that: The invention relates to a plastic barrel clamp structure comprising the clamp structure for the plastic barrel as described in any one of claims 1 to 9.

Citation Information

Patent Citations

  • Plastic chemical barrel with barrel cover provided with hoop structure

    CN220148035U