Packaging paper barrel sealing iron hoop

Abstract

The utility model discloses a packaging paper barrel sealing iron hoop, which belongs to the technical field of iron hoop connecting devices, comprises a connecting mechanism and a locking sheet, and is characterized in that the connecting mechanism comprises a first connecting plate, a connecting column and a bolt, one ends of the two locking pieces are inserted into the cavities from the openings in the corresponding ends of the corresponding first connecting plates respectively, one ends of the two locking pieces are connected with the connecting columns respectively, and the connecting columns penetrate through the connecting holes to be exposed out of the first connecting plates. The bolt sequentially penetrates through the threaded through holes of the two connecting columns and is in threaded fit with the threaded through holes of the two connecting columns. The adjusting mechanism comprises a second connecting plate, a connecting pin shaft and an adjusting spring, the second connecting plate is provided with a cavity with two open ends, the other ends of the locking pieces are inserted into the cavity of the second connecting plate, and the two locking pieces are connected through the adjusting spring. Compared with the prior art, the device has the characteristic of preventing the locking force of the closed iron hoop on the barrel cover and the barrel body from being too large.

Description

TECHNICAL FIELD

[0001] The utility model relates to iron hoop connecting device technical field, especially a kind of packaging paper barrel closed iron hoop. BACKGROUND

[0002] Paperboard barrel, this kind of packaging container significantly reduces logistics cost by greatly reducing the weight burden in the overall transportation process, and its material natural degradability effectively reduces the long-term pollution pressure of traditional packaging materials on the environment, becomes an important link of green bridge between producers and consumers, perfectly integrates and promotes the pace of industry to low-carbon environmental transformation.

[0003] At present, the upper part and the lower part of the paperboard barrel are designed with upper hoop and lower hoop, which not only enhances the structural strength, but also optimizes the sealing structure of the barrel body, resists accidental leakage of the contents and intrusion of external pollutants, and guarantees the safety and purity of the materials.

[0004] The sealing of the barrel cover usually adopts the combination of locking ring and connector, realizing the seamless sealing effect between the barrel cover and the barrel body. The connector is used for adjustment and tensioning, so that the barrel cover and the barrel body are tightly attached to achieve the best sealing state. However, in order to ensure the smooth progress of this process and not damage the integrity of the paperboard barrel, the operator controls the tensioning force to avoid the problem of paperboard barrel deformation or damage caused by improper tensioning during the tensioning process. SUMMARY

[0005] The utility model aims at the deficiencies of the prior art, and provides a kind of packaging paper barrel closed iron hoop, to prevent the purpose of closed iron hoop locking force too big to barrel cover and barrel.

[0006] The utility model provides a kind of packaging paper barrel closed iron hoop, including connecting mechanism and locking piece, the connecting mechanism two ends are connected with the one end of locking piece respectively;Its characterized in that: the connecting mechanism includes first connecting plate, connecting column and bolt, first connecting plate is equipped with the cavity of two ends opening, and the outer end wall of first connecting plate is equipped with connecting hole, and connecting hole is through with cavity, and the one end of two locking pieces is inserted into the cavity of corresponding first connecting plate from the opening of corresponding end part, and the one end of two locking pieces is connected with connecting column, and connecting column passes through connecting hole and exposes on the outside of first connecting plate;The connecting column is equipped with threaded hole, and bolt passes through the threaded hole of two connecting columns in turn, and is screwed with the threaded hole of two connecting columns;The adjusting mechanism includes second connecting plate, connecting pin shaft and adjusting spring, and second connecting plate is equipped with the cavity of two ends opening, and the other end of locking piece is inserted into the cavity of second connecting plate, and two locking pieces are connected by adjusting spring.

[0007] Further, the two locking pieces are respectively provided with two ear plates, the two ear plates are respectively exposed outside the first connecting plate through the connecting holes, the two ear plates are respectively provided with through holes, and the two ends of the connecting column are rotationally connected with the through holes of the ear plates.

[0008] Further, the two ends of the connecting column are respectively fixedly installed with positioning rings, and the positioning rings are placed at the outer ends of the ear plates.

[0009] Further, the two locking pieces are respectively provided with two ear plates, the two ear plates are respectively exposed outside the first connecting plate through the connecting holes, the two ear plates are respectively provided with through holes, and the two ends of the connecting column are rotationally connected with the through holes of the ear plates.

[0010] Further, the two locking pieces are respectively provided with two ear plates, the two ear plates are respectively exposed outside the first connecting plate through the connecting holes, the two ear plates are respectively provided with through holes, and the two ends of the connecting column are rotationally connected with the through holes of the ear plates.

[0011] Further, the outer side walls of the second connecting plate are respectively provided with back openings, the back openings are respectively installed with cover plates, the upper and lower ends of the back openings are respectively provided with long-strip-shaped insertion holes, the upper and lower ends of the cover plates are respectively provided with insertion plates, and the insertion plates correspond to the long-strip-shaped insertion holes.

[0012] Further, the insertion plates are made of metal materials with certain plasticity, the insertion plates pass through the long-strip-shaped insertion holes, the parts exposed outside the long-strip-shaped insertion holes are bent by 90 degrees, and the cover plates are fixed at the back openings of the second connecting plate.

[0013] Compared with the prior art, the utility model has the following outstanding beneficial effects:

[0014] 1、 the other end of the two locking pieces is connected through the adjusting mechanism, the adjusting mechanism comprises a second connecting plate, a connecting pin shaft and an adjusting spring, when the bolt is excessively rotated, the locking force of the two locking pieces driven by the bolt is too large, when the tension of the adjusting spring is exceeded, the adjusting elasticity is stretched, so that the locking force of the two locking pieces on the barrel cover and the barrel body is no longer increased;

[0015] 2、 by opening the cover plate of the second connecting plate, the adjusting spring inside can be replaced, so that the maximum locking force of the two locking pieces can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structural schematic view of the utility model;

[0017] Figure 2 is the front view of the utility model;

[0018] Figure 3 is the top view of the utility model;

[0019] Figure 4 is the internal structure schematic view of the utility model;

[0020] Wherein, 1. connecting mechanism, 101. first connecting plate, 102. ear plate, 103. connecting column, 104. bolt, 105. positioning ring, 2. locking piece, 3. adjusting mechanism, 301. second connecting plate, 302. cover plate, 303. plug plate, 304. connecting pin shaft, 305. adjusting spring. DETAILED DESCRIPTION

[0021] The utility model is further explained below in connection with the drawings and specific embodiments of the specification.

[0022] As Figures 1-3 The utility model discloses a connecting mechanism, locking piece and adjusting mechanism.

[0023] The connecting mechanism 1 is connected with one end of the locking piece 2 respectively, and the other end of the two locking pieces 2 is connected through the adjusting mechanism 3.In the embodiment, the locking piece 2 is made of arc-shaped metal sheet with certain elasticity.

[0024] The connecting mechanism 1 includes the first connecting plate 101, the connecting column 103 and the bolt 104, the first connecting plate 101 is equipped with the cavity of two ends opening, and the outer end wall of the first connecting plate 101 is equipped with the connecting hole, and the connecting hole is through with the cavity, and one end of the two locking pieces 2 is inserted into the cavity of the corresponding first connecting plate 101 from the opening of the corresponding end, and the end of the two locking pieces 2 is equipped with two ear plates 102 respectively, and the two ear plates 102 are exposed on the outside of the first connecting plate 101 through the connecting hole, and the two ear plates 102 are equipped with through holes respectively, and the two ends of the connecting column 103 are rotatably connected with the through holes of the ear plate 102.

[0025] In the optimization scheme, the two ends of the connecting column 103 are fixedly installed with the positioning ring 105 respectively, and the positioning ring 105 is placed on the outer end of the ear plate 102.

[0026] The connecting column 103 is equipped with the threaded through hole, and the threaded through hole is arranged perpendicularly to the axis of the connecting column 103, and the bolt 104 is sequentially threaded through the threaded through holes of the two connecting columns 103 and is screwed with the threaded through holes of the two connecting columns 103.The rotation of the bolt 104 can make the two connecting columns 103 close to each other or away from each other, so as to drive the two locking pieces 2 to lock or loosen the barrel cover and the barrel body.

[0027] As Figure 4 The adjusting mechanism 3 includes the second connecting plate 301, the connecting pin shaft 304 and the adjusting spring 305, the second connecting plate 301 is equipped with the cavity of two ends opening, and the other end of the locking piece 2 is inserted into the cavity of the second connecting plate 301, and the connecting pin shaft 304 is installed on the two locking pieces 2, and the connecting pin shaft 304 on the two locking pieces 2 is connected through the adjusting spring 305.In the embodiment, the adjusting spring 305 is a tensile spring.

[0028] In the optimization scheme, the locking sheet 2 is provided with a plurality of connecting pin shafts 304 arranged linearly and uniformly, and the corresponding connecting pin shafts 304 on the two locking sheets 2 are connected by adjusting springs 305, respectively.

[0029] In the optimization scheme, the outer side wall of the second connecting plate 301 is provided with a back opening, respectively, and the back opening is provided with a cover plate 302, the upper and lower ends of the wall of the back opening are provided with long strip-shaped insertion holes, respectively, and the upper and lower ends of the cover plate 302 are provided with insertion plates 303, respectively, and the insertion plates 303 correspond to the long strip-shaped insertion holes.

[0030] The insertion plate 303 is made of a metal material with certain plasticity, the insertion plate 303 passes through the long strip-shaped insertion hole, and the part exposed outside the long strip-shaped insertion hole is bent by 90°, so that the cover plate 302 is fixed at the back opening of the second connecting plate 301. By opening the cover plate 302, the adjusting spring 305 inside can be replaced, so that the maximum locking force of the two locking sheets 2 can be adjusted.

[0031] In the optimization scheme, the first connecting plate 101 and the second connecting plate 301 are arc-shaped connecting plates.

[0032] The operation process is as follows: when the utility model is used, the utility model is sleeved on the outside of the barrel cover, the two connecting columns 103 can be made close to each other by rotating the bolt 104, and the two locking sheets 2 are driven to lock the barrel cover and the barrel body; when the bolt 104 is excessively rotated, the locking force of the bolt 104 driving the two locking sheets 2 is too large, and exceeds the tension of the adjusting spring 305, the adjusting elasticity will be stretched, so that the locking force of the two locking sheets 2 is no longer increased.

[0033] It should be noted that the specific embodiments of the utility model have been described in detail, and various obvious changes made by those skilled in the art without departing from the spirit and scope of the utility model are within the protection scope of the utility model.

Claims

1. A closing hoop for a bale of paper, comprising a connecting mechanism (1) and a locking tab (2), the connecting mechanism (1) being connected at both ends to one end of the locking tab (2); characterized in that: The connecting mechanism (1) includes a first connecting plate (101), a connecting post (103), and a bolt (104). The first connecting plate (101) has a cavity with openings at both ends. A connecting hole is provided on the outer end wall of the first connecting plate (101), and the connecting hole communicates with the cavity. One end of each of the two locking pieces (2) is inserted into the cavity from the corresponding opening of the corresponding end of the first connecting plate (101). One end of each of the two locking pieces (2) is rotatably connected to the connecting post (103). The connecting post (103) passes through the connecting hole and protrudes from the outside of the first connecting plate (101). The connecting post (103) is provided with a threaded through-hole. The bolt (104) passes through the threaded through holes of the two connecting columns (103) in sequence and is threadedly engaged with the threaded through holes of the two connecting columns (103); the other ends of the two locking pieces (2) are connected by the adjustment mechanism (3), which includes a second connecting plate (301), a connecting pin (304) and an adjustment spring (305). The second connecting plate (301) has a cavity with openings at both ends. The other end of the locking piece (2) is inserted into the cavity of the second connecting plate (301). The two locking pieces (2) are connected by the adjustment spring (305); the locking piece (2) is made of an arc-shaped metal sheet with a certain elasticity.

2. A closure hoop for a paper carton according to claim 1, characterised in that: The ends of the two locking plates (2) are respectively provided with two ear plates (102). The two ear plates (102) pass through the connecting holes and are exposed on the outside of the first connecting plate (101). The two ear plates (102) are respectively provided with through holes. The two ends of the connecting post (103) are rotatably connected to the through holes of the ear plates (102).

3. A closure hoop for a paper carton according to claim 2, wherein: Positioning rings (105) are fixedly installed at both ends of the connecting column (103), and the positioning rings (105) are placed at the outer end of the ear plate (102).

4. A closure hoop for a paper carton according to claim 1, wherein: The two locking plates (2) are equipped with connecting pins (304), and the connecting pins (304) on the two locking plates (2) are connected by adjusting springs (305).

5. A closure hoop for a paper carton according to claim 1, wherein: The locking plate (2) is provided with a plurality of connecting pins (304) arranged linearly and evenly. The corresponding connecting pins (304) on the two locking plates (2) are connected by adjusting springs (305).

6. A closure hoop for a paper carton according to claim 1, wherein: The second connecting plate (301) has a back opening on its outer side wall, and a cover plate (302) is installed at the back opening. The upper and lower ends of the back opening are provided with elongated insertion holes, and the upper and lower ends of the cover plate (302) are provided with insertion plates (303), which correspond to the elongated insertion holes.

7. A closure hoop for a paper carton according to claim 6, wherein: The insert plate (303) is made of a metal material with a certain degree of plasticity. The insert plate (303) passes through the elongated insertion hole, and the part of it exposed outside the elongated insertion hole is bent at 90° to fix the cover plate (302) at the back opening of the second connecting plate (301).

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