Rustproof bag convenient to sleeve

Abstract

The utility model discloses a rustproof bag convenient to sleeve, and relates to the rustproof bag field, the rustproof bag comprises a bag body, the two outer walls of the top end of the bag body are respectively and fixedly connected with a connecting block 1 and a connecting block 2, the inner part of the connecting block 1 is provided with an inner cavity, the inner wall of the inner cavity is rotatably connected with a rotating shaft, and the two sides of the rotating shaft are provided with threaded rods 1 in parallel; the end of the first threaded rod is rotationally connected with the inner wall of the inner cavity. The bag body can be opened to be sleeved outside materials by shifting the first connecting block and the second connecting block in the opposite directions, overall sleeving is convenient, the second threaded rod is twisted to drive the rotating shaft to rotate, the two connecting blocks are driven through chain transmission to achieve threaded connection, and the bag body can be opened to be sleeved outside the materials. After the first threaded rod is matched with a screw hole reserved in the second connecting block, the second connecting block moves towards the first connecting block under the condition that the first threaded rod rotates, after the second connecting block is tightly attached to the first connecting block, the opening of the whole bag body is sealed, and the whole operation is convenient, fast, time-saving and labor-saving.

Description

Technical Field

[0001] This utility model relates to the field of rust-proof bags, specifically to rust-proof bags that are easy to pack. Background Technology

[0002] Rust-proof bags differ significantly from ordinary plastic bags in terms of material and function. Rust-proof bags are a type of packaging material specifically designed to prevent metal products from rusting. The gaseous corrosion inhibitor inside the bag undergoes a chemical reaction when exposed to moisture, releasing gas. This gas reacts chemically with the metal surface to form a protective film. This protective film can continuously release gas outward, maintaining the protection of the metal surface.

[0003] Existing rustproof bags still have the following problems when used: The opening of the existing rustproof bags needs to be manually opened to facilitate the sealing of the object. Since the rustproof bag itself has no supporting force, it is not easy to limit the shape of the opening when opening the bag, which makes it difficult to fit the bag into larger objects.

[0004] Therefore, it is necessary to invent a rust-proof bag that is easy to pack to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a rust-proof bag that is easy to fit, in order to solve the problem mentioned in the background art that existing rust-proof bags require manual support to open the bag opening during use. This makes it convenient to fit the rust-proof bag onto the outside of the object to seal it. However, since the rust-proof bag itself has no supporting force, it is not easy to limit the shape of the bag opening when opening the bag, which makes it difficult to fit the bag onto larger objects.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rust-proof bag that is easy to pack, comprising a bag body, wherein a connecting block one and a connecting block two are fixedly connected to the two outer walls at the top of the bag body, and an inner cavity is formed inside the connecting block one, and a rotating shaft is rotatably connected to the inner wall of the inner cavity. Threaded rods one are arranged parallel to each other on both sides of the rotating shaft, and the end of the threaded rod one is rotatably connected to the inner wall of the inner cavity. The rotating shaft and the threaded rod one are connected by a chain for transmission. The bag also includes:

[0007] The torsion assembly has a threaded rod 2 internally threaded to the connecting block 1, and a fixing block fixedly connected to the end of the threaded rod 2. The threaded rod 2 and the fixing block move within a sliding groove reserved inside the rotating shaft. An annular groove is reserved inside the rotating shaft, and the annular groove communicates with the sliding groove. An annular block is rotatably connected inside the annular groove, and a limit block is fixedly connected to the inner wall of the annular block. The limit block and the limit groove are slidably connected, and the limit groove is preset inside the threaded rod 2.

[0008] Preferably, the bag body is square, and the two sides of the bag body are folded inward to form a folded state, so that the entire bag body can be unfolded by moving the connecting block one and the connecting block two in opposite directions. At the same time, the bag body is sealed when the connecting block one and the connecting block two are attached to each other along the fold lines on both sides of the bag body.

[0009] Preferably, the two threaded rods are symmetrically distributed on both sides of the rotating shaft with reference to the central axis of the rotating shaft. The outer threads of the two threaded rods have different directions, and the threaded rods pass through the through holes reserved inside the connecting block and connected to the inner cavity. The inner diameter of the through hole is larger than the outer diameter of the threaded rod, which facilitates the smooth rotation of the two threaded rods. Subsequently, the threaded rods are threadedly connected to the threaded holes reserved inside the connecting block, which facilitates the close connection between the connecting block and the connecting block to seal the bag.

[0010] Preferably, there are two fixing blocks, and the two fixing blocks are symmetrically distributed on both sides of the threaded rod two with reference to the central axis of the threaded rod two. In this way, when the threaded rod two rotates, it can drive the rotating shaft to rotate synchronously.

[0011] Preferably, the sliding groove consists of a columnar groove and two transverse channels connected to the columnar groove. The inner walls of the two channels are in contact with the outer wall of the fixed block to achieve a sliding connection. The inner diameter of the columnar groove is larger than the outer diameter of the threaded rod, which facilitates the rotation of the threaded rod to drive the rotating shaft to rotate synchronously. At the same time, the threaded rod, which is threaded to the connecting block, will be displaced when it rotates, and the sliding groove provides sliding space for the threaded rod.

[0012] Preferably, the two ends of the limiting groove are closed, and the inner wall of the limiting groove is in contact with the outer wall of the limiting block to achieve a sliding connection. When the threaded rod two moves and the end wall of the limiting groove contacts the limiting block, the threaded rod two no longer rotates, thus ensuring that the threaded rod two is connected to the connecting block one and the rotating shaft without falling off.

[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0014] This invention allows the bag to be opened and fitted onto the material by moving connecting block one and connecting block two in opposite directions. Opening the two connecting blocks defines the shape of the bag opening, making the overall fitting process convenient. By twisting the threaded rod two, the rotating shaft is driven to rotate, and the two connecting blocks are connected by a chain drive. After the threaded rod one matches the pre-drilled screw hole inside the connecting block two, the connecting block two moves toward the connecting block one as the threaded rod one rotates. When the connecting block two is pressed tightly against the connecting block one, the opening of the entire bag is sealed. The overall operation is convenient, quick, time-saving, and labor-saving. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0016] Figure 1 This is a perspective view of the overall structure of this utility model;

[0017] Figure 2 This is an exploded view of the internal structure of the connecting block of this utility model;

[0018] Figure 3 This is a perspective view of the internal structure of the connecting block 1 (partially cut out) of this utility model;

[0019] Figure 4 This is an exploded view of the internal structure of the rotating shaft of this utility model (partially cut out).

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Connecting block one; 2. Connecting block two; 3. Bag body; 4. Rotating shaft; 5. Threaded rod one; 6. Chain; 7. Torsion assembly; 701. Threaded rod two; 702. Fixing block; 703. Sliding groove; 704. Annular groove; 705. Annular block; 706. Limiting block; 707. Limiting groove; 8. Inner cavity; 9. Through hole. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] This utility model provides, for example Figure 1-4 The rust-proof bag shown is easy to pack, including a bag body 3. Connecting block 1 and connecting block 2 are fixedly connected to the two outer walls at the top of the bag body 3, respectively. Connecting block 1 has an inner cavity 8, and a rotating shaft 4 is rotatably connected to the inner wall of the inner cavity 8. Threaded rods 5 are arranged parallel to each other on both sides of the rotating shaft 4. The ends of the threaded rods 5 are rotatably connected to the inner wall of the inner cavity 8. The rotating shaft 4 and the threaded rods 5 are connected by a chain 6. The bag also includes:

[0024] The torsion assembly 7 has a threaded rod 701 internally threadedly connected to the connecting block 1, and a fixing block 702 is fixedly connected to the end of the threaded rod 701. The threaded rod 701 and the fixing block 702 move within a sliding groove 703 reserved inside the rotating shaft 4. An annular groove 704 is reserved inside the rotating shaft 4 and is connected to the sliding groove 703. An annular block 705 is rotatably connected inside the annular groove 704, and a limiting block 706 is fixedly connected to the inner wall of the annular block 705. The limiting block 706 and the limiting groove 707 are slidably connected. The limiting groove 707 is preset inside the threaded rod 701.

[0025] The bag body 3 is square, and the two sides of the bag body 3 are folded inward to form a folded state, so that the entire bag body 3 can be unfolded by moving the connecting block 1 and the connecting block 2 in opposite directions. At the same time, the bag body 3 is sealed when the connecting block 1 and the connecting block 2 are attached to each other along the folds on both sides of the bag body 3.

[0026] Two threaded rods 5 are symmetrically distributed on both sides of the rotating shaft 4 with reference to the central axis of the rotating shaft 4. The outer threads of the two threaded rods 5 have different directions. The threaded rods 5 pass through the through hole 9 reserved inside the connecting block 1, which is connected to the inner cavity 8. The inner diameter of the through hole 9 is larger than the outer diameter of the threaded rod 5, which facilitates the smooth rotation of the two threaded rods 5. Subsequently, the threaded rods 5 are threadedly connected to the threaded hole reserved inside the connecting block 2, which facilitates the close connection between the connecting block 1 and the connecting block 2 for sealing the bag body 3.

[0027] There are two fixing blocks 702, and the two fixing blocks 702 are symmetrically distributed on both sides of the threaded rod 701 with reference to the central axis of the threaded rod 701. In this way, when the threaded rod 701 rotates, it can drive the rotating shaft 4 to rotate synchronously.

[0028] The sliding groove 703 consists of a columnar groove and two transverse channels connected to the columnar groove. The inner walls of the two channels are attached to the outer wall of the fixed block 702 to achieve a sliding connection. The inner diameter of the columnar groove is larger than the outer diameter of the threaded rod 701, which facilitates the rotation of the threaded rod 701 to drive the rotating shaft 4 to rotate synchronously. At the same time, the threaded rod 701, which is threadedly connected to the connecting block 1, will be displaced when it rotates. The sliding groove 703 provides sliding space for the threaded rod 701.

[0029] The two ends of the limiting groove 707 are closed, and the inner wall of the limiting groove 707 is attached to the outer wall of the limiting block 706 to achieve a sliding connection. When the threaded rod 701 moves and the end wall of the limiting groove 707 comes into contact with the limiting block 706, the threaded rod 701 will no longer rotate, thus ensuring that the threaded rod 701 is connected to the connecting block 1 and the rotating shaft 4 without falling off.

[0030] Working principle: When using the easy-to-pack rust-proof bag, firstly, move the connecting block 1 and connecting block 2 towards each other so that the threaded rod 5 is aligned with the pre-set screw hole inside the connecting block 2. Twist the lever fixedly connected to the end of the threaded rod 701 to drive the rotation of the threaded rod 701, which in turn drives the rotation shaft 4 sleeved on the outer ring of the threaded rod 701 to rotate. Under the transmission action of the chain 6, the rotation shaft 4 and the two threaded rods 5 arranged in parallel on both sides of the rotation shaft 4 rotate synchronously. After the threaded rod 5 matches the pre-reserved screw hole inside the connecting block 2, the connecting block 2 moves towards the connecting block 1 as the threaded rod 5 rotates. After the connecting block 2 is tightly attached to the connecting block 1, the opening of the entire bag body 3 is sealed.

[0031] When the threaded rod 701, which is threadedly connected to the connecting block 1, rotates, it will be displaced. The sliding groove 703 provides sliding space for the threaded rod 701. At the same time, the two ends of the limiting groove 707 are closed, and the inner wall of the limiting groove 707 is in contact with the outer wall of the limiting block 706 to achieve a sliding connection. When the threaded rod 701 moves and the end wall of the limiting groove 707 comes into contact with the limiting block 706, the threaded rod 701 will no longer rotate, thus ensuring that the threaded rod 701 is connected to the connecting block 1 and the rotating shaft 4 without falling off.

[0032] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A rust-proof bag for easy packaging, comprising a bag body (3), characterized in that, The top two outer walls of the bag body (3) are respectively fixedly connected to connecting block one (1) and connecting block two (2), and the interior of connecting block one (1) is provided with an inner cavity (8), and the inner wall of the inner cavity (8) is rotatably connected to a rotating shaft (4). Threaded rods one (5) are arranged parallel to each other on both sides of the rotating shaft (4). The end of the threaded rod one (5) is rotatably connected to the inner wall of the inner cavity (8), and the rotating shaft (4) and the threaded rod one (5) are connected by a chain (6). The bag body (3) also includes: The torsion assembly (7) has a threaded rod (701) internally threaded to the connecting block (1), and a fixing block (702) fixedly connected to the end of the threaded rod (701). The threaded rod (701) and the fixing block (702) move within a sliding groove (703) reserved inside the rotating shaft (4). An annular groove (704) is reserved inside the rotating shaft (4). The annular groove (704) is connected to the sliding groove (703). An annular block (705) is rotatably connected inside the annular groove (704). A limiting block (706) is fixedly connected to the inner wall of the annular block (705). The limiting block (706) and the limiting groove (707) are slidably connected. The limiting groove (707) is preset inside the threaded rod (701).

2. The rust-proof bag for easy packing according to claim 1, characterized in that, The bag (3) is square, and the two sides of the bag (3) are folded inward to form a stowed state.

3. The rust-proof bag for easy packaging according to claim 1, characterized in that, The two threaded rods (5) are symmetrically distributed on both sides of the rotating shaft (4) with reference to the central axis of the rotating shaft (4). The outer threads of the two threaded rods (5) have different directions. The threaded rods (5) pass through the through hole (9) reserved inside the connecting block (1) and connected to the inner cavity (8). The inner diameter of the through hole (9) is larger than the outer diameter of the threaded rods (5).

4. The rust-proof bag for easy packing according to claim 1, characterized in that, The number of fixing blocks (702) is two, and the two fixing blocks (702) are symmetrically distributed on both sides of the threaded rod (701) with reference to the central axis of the threaded rod (701).

5. The rust-proof bag for easy packing according to claim 1, characterized in that, The sliding groove (703) consists of a columnar groove and two transverse channels connected to the columnar groove. The inner walls of the two channels are attached to the outer wall of the fixed block (702) to achieve a sliding connection. The inner diameter of the columnar groove is larger than the outer diameter of the threaded rod (701).

6. The rust-proof bag for easy packing according to claim 1, characterized in that, The two ends of the limiting groove (707) are closed, and the inner wall of the limiting groove (707) is attached to the outer wall of the limiting block (706) to achieve a sliding connection.

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