Secondary locking vertical pipe iron folder

Abstract

The utility model relates to the technical field of folders, and discloses a secondary locking vertical pipe iron folder which comprises a folder lower seat, a folder upper seat and a folding seat locking structure, one end of the folder lower seat is hinged to one end of the folder upper seat through a folder connecting shaft, and the other end of the folder upper seat is hinged to the folding seat locking structure. The folding seat locking structure is arranged at the other end of the folder lower seat and the other end of the folder upper seat, the folder lower seat and the folder upper seat are locked through the folding seat locking structure, the folder upper seat is connected with a secondary safety fastener, and one side of the secondary safety fastener is connected with a secondary safety buckle spring. According to the secondary locking vertical pipe iron folder, the situation that an iron vertical pipe folder at the market end is not attractive can be optimized, a safety buckle double-buckle mode is adopted, the folding safety performance is improved, a secondary safety buckle self-locking device is additionally arranged, folding of the folder is changed into self-locking, and when a primary safety buckle fails, the secondary safety buckle is still effective, and personal safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of folders, in particular to a secondary locking vertical tube iron folder. Background Art

[0002] Traditional folding bicycles typically use hinged connections, but this can lead to unstable folding and easy damage. Folding frames are designed to address these issues, often employing locking mechanisms and locking blocks to ensure frame stability and reliability.

[0003] A search of the Chinese patent publication number CN220616054U discloses a vertical tube iron folder, comprising a folder lower base, a folder upper base, and a folding base locking structure. The lower and upper bases are hingedly connected at one end via a folder connecting shaft, and the folding base locking structure is provided at the other end of the lower and upper bases, locking the lower and upper bases together. The utility model hinges the lower and upper bases via the folder connecting shaft, allowing for easy folding and unfolding of the folder, saving space and making it easy to carry.

[0004] However, this vertical tube iron folder design has problems such as complex structure, excessive weight, and limited folding safety performance, and needs further improvement. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the utility model provides a secondary locking vertical pipe iron folder.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a secondary locking vertical tube iron folder, comprising a folder lower seat, a folder upper seat and a folding seat locking structure;

[0009] The folder lower seat and the folder upper seat are hinged to each other at one end through a folder connecting shaft, and the folding seat locking structure is arranged at the other end of the folder lower seat and the folder upper seat. The folder lower seat and the folder upper seat are locked by the folding seat locking structure. A secondary safety fastener is connected to the folder upper seat, and a secondary safety buckle spring is connected to one side of the secondary safety fastener.

[0010] Preferably, the folding seat locking structure includes a folding device handle, a folding device safety buckle assembly and a folding device tightening block assembly, one end of the folding device handle is hinged to the other end of the folding device lower seat, the folding device safety buckle assembly is arranged on the side of the other end of the folding device handle, and a locking seat is provided at the front end of the folding device upper seat, the fastening end of the folding device safety buckle assembly is fastened to the protruding block at the front end of the locking seat, the folding device tightening block assembly is hinged to the inner side of the folding device handle, and the tightening end of the folding device tightening block assembly is inserted into the locking seat at the other end of the front folding seat, the bottom of the folding device handle is connected to a fixed block, and the bottom of the folding handle is connected to a one-time safety fastener.

[0011] Preferably, the folder safety buckle assembly includes a sliding groove and a safety buckle arranged on the side of the other end of the folder handle. The safety buckle is slidably arranged in the sliding groove, and a spring is arranged between the safety buckle and the sliding groove. The safety buckle is connected to the protruding block at the front end of the locking seat.

[0012] Preferably, the folder tightening block assembly includes a tightening shaft, a tightening block and a tightening screw arranged on the inner side of the locking seat. The tightening block is fixed to the inner side of the folder handle, the tightening screw is locked to one end of the tightening block, and the tightening end of the tightening screw passes through the locking seat and contacts the tightening shaft.

[0013] Preferably, a clamping block is connected to one side of the folder lower seat, and a clamping screw is connected to the clamping block.

[0014] Preferably, the safety buckle of the folder safety buckle assembly slides in the sliding groove to achieve locking or unlocking, and the safety buckle is fastened to the protruding block at the front end of the locking seat by default under the action of the spring.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a secondary locking vertical tube iron folder, which has the following beneficial effects:

[0017] 1. This secondary locking vertical tube iron folder can improve the unsightly situation of the iron vertical tube folder on the market. The double buckle method of the safety buckle improves the folding safety performance, and a new secondary safety buckle self-locking device is added. The folder is closed and self-locked. When the first safety buckle fails, the secondary safety buckle is still effective to ensure personal safety.

[0018] 2. This secondary locking vertical tube iron folder can optimize the iron material to reduce costs and has an appearance comparable to aluminum, allowing vertical tube folding to be selective in addition to aluminum. The vertical tube folder uses a clamping block locking method to improve the safety and stability of the connection with the frame. The vertical tube iron folder has enhanced usability in extending the vertical pole, reducing investment costs, and optional elliptical tubes, round tubes, and special-shaped tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is the front view of the utility model;

[0021] Figure 2 This is a side view of the utility model;

[0022] Figure 3 This is a schematic diagram of the explosion structure of the utility model.

[0023] In the figure: 1. Folder lower seat; 2. Folder upper seat; 3. Folder connecting shaft; 4. Folder handle; 5. Locking seat; 6. Protruding block; 8. Sliding groove; 10. Clamping shaft; 11. Clamping block; 14. Clamping block; 15. Clamping screw; 16. Secondary safety fastener; 17. Secondary safety spring; 18. Fixing block; 19. Primary safety fastener. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Example 1

[0026] like Figure 1-3 As shown, the utility model provides a secondary locking vertical tube iron folder, including a folder lower seat 1, a folding device upper seat 2 and a folding seat locking structure. The folding device lower seat 1 and one end of the folding device upper seat 2 are hinged to each other through a folding device connecting shaft 3, and the folding seat locking structure is arranged at the other end of the folding device lower seat 1 and the folding device upper seat 2. The folding device lower seat 1 and the folding device upper seat 2 are locked by the folding seat locking structure. A secondary safety fastener 16 is connected to the folding device upper seat 2, and a secondary safety buckle spring 17 is connected to one side of the secondary safety fastener 16.

[0027] In this embodiment, the folding seat locking structure includes a folder handle 4, a folder safety buckle assembly and a folder tightening block assembly. One end of the folder handle 4 is hinged to the other end of the folder lower seat 1, and the folder safety buckle assembly is arranged on the side of the other end of the folder handle 4. A locking seat 5 is provided at the front end of the folder upper seat 2. The fastening end of the folder safety buckle assembly is fastened to the protruding block 6 at the front end of the locking seat 5. The folder tightening block assembly is hinged to the inner side of the folder handle 4, and the tightening end of the folder tightening block assembly is inserted into the locking seat 5 at the other end of the front folding seat. The bottom of the folder handle 4 is connected to a fixed block 18, and the bottom of the folder handle 4 is connected to a one-time safety fastener 19.

[0028] In this embodiment, the folder safety buckle assembly includes a sliding groove 8 and a safety buckle arranged on the side of the other end of the folder handle 4. The safety buckle is slidably arranged in the sliding groove 8, and a spring is arranged between the safety buckle and the sliding groove 8. The safety buckle is connected to the protruding block 6 at the front end of the locking seat 5.

[0029] In this embodiment, the folder tightening block assembly includes a tightening shaft 10, a tightening block 11 and a tightening screw arranged on the inner side of the locking seat 5. The tightening block 11 is fixed to the inner side of the folder handle 4, and the tightening screw is locked to one end of the tightening block 11, and the tightening end of the tightening screw passes through the locking seat 5 and contacts the tightening shaft 10.

[0030] In this embodiment, a clamping block 14 is connected to one side of the folder lower seat 1 , and a clamping screw 15 is connected to the clamping block 14 .

[0031] In this embodiment, the safety buckle of the folder safety buckle assembly slides in the sliding groove 8 to achieve locking or unlocking. Under the action of the spring, the safety buckle is fastened to the protruding block 6 at the front end of the locking seat 5 by default.

[0032] The following is a detailed description of the working principle of this secondary locking vertical tube iron folder.

[0033] like Figure 1-3 When the folder is to be folded, the user folds the folder handle 4 upwards. At this time, the fastening end of the folder safety buckle assembly will be buckled on the protruding block 6 at the front end of the locking seat 5, thereby locking the folder lower seat 1 and the folder upper seat 2. At the same time, the top tightening end of the folder top tightening block assembly will be inserted into the locking seat 5 to play a tightening role, making the folder more stable. When the folder needs to be unfolded, the user only needs to unfold the folder handle 4 downwards. This utility model can optimize the unsightly situation of the iron vertical tube folder on the market. The double buckle method of the safety buckle makes the folder The folding safety performance is improved, and a secondary safety buckle self-locking device is added. The folder is tightened and then self-locked. When the first safety buckle fails, the secondary safety buckle is still effective to ensure personal safety. In the competitive market environment, the iron material (Q235) is optimized to reduce costs and the appearance is comparable to aluminum, so that the vertical tube folding has options besides aluminum. The vertical tube folder uses a clamping block 14 locking method to improve the safety and stability of the connection with the frame. The vertical tube iron folder is more usable in the extension of the pole, reducing investment costs. Optional elliptical tubes, round tubes, and special-shaped tubes are available.

Claims

1. A secondary locking vertical tube iron folder, characterized in that: It comprises a folder lower seat (1), a folder upper seat (2) and a folding seat locking structure; The folder lower seat (1) and the folder upper seat (2) are hinged to each other at one end through a folder connecting shaft (3), and a folding seat locking structure is arranged at the other end of the folder lower seat (1) and the folder upper seat (2), and the folder lower seat (1) and the folder upper seat (2) are locked by the folding seat locking structure. The folder upper seat (2) is connected to a secondary safety fastener (16), and one side of the secondary safety fastener (16) is connected to a secondary safety buckle spring (17).

2. A secondary locking vertical tube iron folder according to claim 1, characterized in that: The folding seat locking structure comprises a folder handle (4), a folder safety buckle assembly and a folder top tightening block assembly. One end of the folder handle (4) is hinged to the other end of the folder lower seat (1). The folder safety buckle assembly is arranged on the side of the other end of the folder handle (4). A locking seat (5) is arranged at the front end of the folder upper seat (2). The buckling end of the folder safety buckle assembly is buckled on a protruding block (6) at the front end of the locking seat (5). The folder top tightening block assembly is hinged to the inner side of the folder handle (4), and the buckling end of the folder top tightening block assembly is inserted into the locking seat (5) at the other end of the front folding seat. The bottom of the folder handle (4) is connected to a fixing block (18), and the bottom of the folder handle (4) is connected to a one-time safety buckle (19).

3. A secondary locking vertical tube iron folder according to claim 2, characterized in that: The folder safety buckle assembly comprises a sliding groove (8) arranged on the side of the other end of the folder handle (4) and a safety buckle, the safety buckle is slidably arranged in the sliding groove (8), and a spring is arranged between the safety buckle and the sliding groove (8), and the safety buckle is connected to the protruding block (6) at the front end of the locking seat (5).

4. A secondary locking vertical tube iron folder according to claim 3, characterized in that: The folder's tightening block assembly comprises a tightening shaft (10) arranged on the inner side of a locking seat (5), a tightening block (11) and a tightening screw. The tightening block (11) is fixed to the inner side of a folder handle (4). The tightening screw is locked to one end of the tightening block (11), and the tightening end of the tightening screw passes through the locking seat (5) and contacts the tightening shaft (10).

5. A secondary locking vertical tube iron folder according to claim 4, characterized in that: A clamping block (14) is connected to one side of the folder lower seat (1), and a clamping screw (15) is connected to the clamping block (14).

6. A secondary locking vertical tube iron folder according to claim 5, characterized in that: The safety buckle of the folder safety buckle assembly slides in the sliding groove (8) to achieve locking or unlocking, and the safety buckle is buckled on the protruding block (6) at the front end of the locking seat (5) by default under the action of the spring.

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