Portable briefcase sewing mold with width adjusting structure
By designing a hand-held briefcase sewing mold with a width-narrow adjustment structure, the problem that the existing mold cannot adapt to the difference in the shape and thickness of the briefcase is solved, and the module adjustment, backplate adjustment and clamping movement functions are realized to ensure the shaping effect of the leather briefcase.
Patent Information
- Application Number
- CN202422167915.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-04
AI Technical Summary
The width and narrowness of existing suture molds are fixed, and cannot adapt to the differences in the shape and thickness of briefcases, making it difficult to achieve shaping in leather briefcase production.
A hand-held briefcase sewing mold with a width-narrow adjustment structure is designed. The module adjustment, backplate adjustment and clamping function are realized through the splicing of the front and rear setting modules, the threaded connection between the extension screw and the connecting seat, and the coordination between the movable back and the adjustment screw.
The module adjustment, backplate adjustment and clamping movement functions are realized, adapting to briefcases of different shapes and thicknesses to ensure the shaping effect of leather briefcases.
Smart Images
Figure CN223033613U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewing molds, in particular to a sewing mold for a hand-held briefcase with a width adjustment structure. Background Technique
[0002] A briefcase is a narrow box-shaped bag, mainly used to store paper and other documents. Lawyers often use briefcases to store case files. Businessmen and other professionals use it to store laptops and important documents. The fabric of a briefcase usually should have characteristics such as wear resistance, tear resistance, and waterproofness. Popular ones include Oxford nylon cloth, polyester staple fiber canvas, cowhide and genuine leather, PU artificial leather, etc.
[0003] In the production of leather briefcases, it is necessary to first shape the leather. Because the capacity and thickness of the briefcase are different, and the width is also different up and down, different molds are required for shaping. However, the width of common molds is fixed and cannot be adjusted. Therefore, we propose a sewing mold for a hand-held briefcase with a width adjustment structure to improve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a sewing mold for a hand-held briefcase with a width adjustment structure to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A sewing mold for a hand-held briefcase with a width adjustment structure, including a front shaping module and a fixed base. The rear end of the front shaping module is connected to a rear shaping module. A connection hole groove is opened inside the front shaping module. A connection seat is inserted inside the rear shaping module. Internal thread grooves are provided on both sides of the connection seat. Extension screws are inserted on both sides of the connection seat.
[0006] Preferably, multiple groups of connection hole grooves are provided. Connection hole grooves with different depths are provided inside the front shaping module and the rear shaping module. The extension screws are threadedly connected to the internal thread grooves on both sides of the connection seat. The extension screws on both sides of the connection seat are clamped with the connection hole grooves opened inside the front shaping module and the rear shaping module. The front shaping module and the rear shaping module are connected through the connection seat and the extension screws.
[0007] Preferably, a lower fixing plate is connected to the rear end of the fixed base. A movable back is inserted on the top of the lower fixing plate. Clamping sliders are provided on both sides of the movable back. An upper support seat is connected to the top end of the lower fixing plate. Sliding grooves are opened at the front and rear ends of the lower fixing plate. An adjustment screw is inserted at the front end of the sliding groove. A fixing nut is sleeved outside the adjustment screw. An upper clamping seat is installed at the bottom of the upper support seat.
[0008] Preferably, the clamping sliders on both sides of the movable back are inserted into the top end of the lower fixing plate, and the upper support seat adjusts the distance between the lower fixing plate and the fixed base through the movable back.
[0009] Preferably, the adjusting screw rod passes through the sliding grooves opened at the front and rear ends of the lower fixing plate and is connected to the movable back inside the lower fixing plate, and the fixing nut is sleeved outside the adjusting screw rod and contacts the rear end of the lower fixing plate.
[0010] Preferably, an extension frame is arranged outside the front shaping module, and an opening groove is formed inside the extension frame.
[0011] Preferably, an inner moving groove is formed at the top end of the fixed base, a lower clamping seat is installed inside the inner moving groove, a lower fixed clamping block is installed at the top end of the lower clamping seat, a clamping screw rod is inserted at the front end of the lower fixed clamping block, a lower movable clamping block is inserted at the front end of the clamping screw rod, a locking sleeve is sleeved outside the lower movable clamping block, a clamping sliding groove is formed inside the lower clamping seat, moving hole grooves are formed on both sides of the inner moving groove, and a locking knob is inserted outside the fixed base.
[0012] Preferably, the lower movable clamping block slides inside the clamping sliding groove at the top end of the lower clamping seat, the locking sleeve is sleeved outside the clamping screw rod at the front end of the locking sleeve and contacts the lower movable clamping block, and the locking knob is inserted into the moving hole grooves on both sides of the fixed base and is connected to the lower clamping seat inside the inner moving groove.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The hand-held document bag stitching mold with a width adjustment structure not only realizes the module adjustment function, realizes the back plate adjustment function, but also realizes the clamping and moving function;
[0014] (1) By setting the module adjustment structure, the present utility model has the following advantages: When in use, the front shaping module and the rear shaping module are spliced according to the shape of the document bag, the extension screw rod is threadedly engaged with the internal thread grooves on both sides of the connecting seat according to the thickness of the document bag, the total length of the connecting seat and the two extension screw rods is adjusted, and then the connecting seat and the extension screw rods are clamped into the corresponding depth connecting hole grooves inside the front shaping module and the rear shaping module, and the rear shaping module and the front shaping module are connected and fixed, and the leather surface of the document bag is brought into contact with the front shaping module and the rear shaping module for shaping, thereby realizing the module adjustment function;
[0015] (2) By setting up the backplane adjustment structure, the beneficial effects of the present utility model are as follows: During use, according to the size of the leather to be stitched, insert the movable back at the bottom of the upper support seat and the clamping sliders on both sides of the movable back into the interior of the lower fixed plate. Insert the adjusting screw into the sliding grooves at the front and rear ends of the lower fixed plate to contact the movable back inside the lower fixed plate. The sliding of the movable back inside the lower fixed plate drives the adjusting screw to slide in the sliding grooves at the front and rear ends of the lower fixed plate. Then, sleuth the fixing nut on the outside of the adjusting screw to contact the rear end of the lower fixed plate, and lock the position of the movable back at the top of the lower fixed plate, thus realizing the backplane adjustment function;
[0016] (3) By setting up the clamping and movable structure, the beneficial effects of the present utility model are as follows: During use, according to the shape of the leather for making the bag, move the lower clamping seat carrying the lower fixed clamping block and the lower movable clamping block inside the inner moving groove opened at the top of the fixed base. After moving to the corresponding position, insert the locking knob into the moving hole grooves opened on both sides of the fixed base to connect and fix with the lower clamping seat inside the inner moving groove. Place the leather between the lower fixed clamping block and the lower movable clamping block. Rotate the locking sleeve on the outside of the clamping screw at the front end of the lower fixed clamping block to drive the lower movable clamping block to slide on the clamping sliding groove at the top of the lower clamping seat, and clamp the leather, thus realizing the clamping and movable function. Description of the Drawings
[0017] Figure 1 is the front view structural schematic diagram of the present utility model;
[0018] Figure 2 is the sectional structural schematic diagram of the front shaping module and the rear shaping module of the present utility model;
[0019] Figure 3 is the enlarged sectional structural schematic diagram of the slow connection seat and the extension screw of the present utility model;
[0020] Figure 4 is the front view structural schematic diagram of the movable back and the lower fixed plate of the present utility model;
[0021] Figure 5 is the side sectional structural schematic diagram of the movable back and the lower fixed plate of the present utility model;
[0022] Figure 6 is the side sectional structural schematic diagram of the fixed base and the lower movable clamping block of the present utility model.
[0023] In the figure: 1. Front shaping module; 2. Opening slot; 3. Fixed base; 4. Lower movable clamping block; 5. Locking sleeve; 6. Upper clamping seat; 7. Movable back; 8. Extended border; 9. Upper support seat; 10. Connecting hole slot; 11. Rear shaping module; 12. Connecting seat; 13. Extension screw; 14. Internal thread slot; 15. Locking knob; 16. Lower fixing plate; 17. Sliding slot; 18. Adjusting screw; 19. Clamping slider; 20. Fixed nut; 21. Lower clamping seat; 22. Lower fixed clamping block; 23. Clamping chute; 24. Internal moving slot; 25. Moving hole slot; 26. Clamping screw. Detailed implementation mode
[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0025] Embodiment 1: Please refer to Figures 1-6 , a stitching mold for a hand-held document bag with a width adjustment structure, including a front shaping module 1 and a fixed base 3. The rear end of the front shaping module 1 is connected to a rear shaping module 11. A connecting hole slot 10 is opened inside the front shaping module 1. A connecting seat 12 is inserted inside the rear shaping module 11. Internal thread slots 14 are arranged on both sides inside the connecting seat 12. Extension screws 13 are inserted on both sides of the connecting seat 12;
[0026] Multiple groups of connecting hole slots 10 are provided. Connecting hole slots 10 with different depths are arranged inside the front shaping module 1 and the rear shaping module 11. The extension screws 13 are threadedly connected to the internal thread slots 14 on both sides inside the connecting seat 12. The extension screws 13 on both sides of the connecting seat 12 are clamped with the connecting hole slots 10 opened inside the front shaping module 1 and the rear shaping module 11. The front shaping module 1 and the rear shaping module 11 are connected through the connecting seat 12 and the extension screws 13;
[0027] Specifically, as Figure 1 , Figure 2 and Figure 3As shown in the figure, by setting the module adjustment structure, during use, the front shaping module 1 and the rear shaping module 11 are spliced according to the shape of the briefcase. According to the thickness of the briefcase, the extension screw 13 is threadedly engaged with the internal thread grooves 14 on both sides of the connecting seat 12 to adjust the total length of the connecting seat 12 and the two groups of extension screws 13. Then, the connecting seat 12 and the extension screws 13 are snapped into the connecting hole grooves 10 with corresponding depths inside the front shaping module 1 and the rear shaping module 11 to connect and fix the rear shaping module 11 and the front shaping module 1. The leather surface of the briefcase is contact-shaped with the front shaping module 1 and the rear shaping module 11, thus realizing the module adjustment function.
[0028] Embodiment 2: A lower fixing plate 16 is connected to the rear end of the fixed base 3. An active back 7 is inserted into the top of the lower fixing plate 16. Clamping sliders 19 are provided on both sides of the active back 7. An upper support seat 9 is connected to the top end of the lower fixing plate 16. Sliding grooves 17 are opened at the front and rear ends of the lower fixing plate 16. An adjusting screw 18 is inserted into the front end of the sliding groove 17. A fixing nut 20 is sleeved on the outside of the adjusting screw 18. An upper clamping seat 6 is installed at the bottom of the upper support seat 9;
[0029] The active back 7 with the clamping sliders 19 on both sides is inserted into the top end of the lower fixing plate 16. The upper support seat 9 adjusts the distance between the lower fixing plate 16 and the fixed base 3 through the active back 7. The adjusting screw 18 passes through the sliding groove 17 opened at the front and rear ends of the lower fixing plate 16 and is connected to the active back 7 inside the lower fixing plate 16. The fixing nut 20 is sleeved on the outside of the adjusting screw 18 and contacts the rear end of the lower fixing plate 16;
[0030] Specifically, as Figure 1 、 Figure 4 and Figure 5 shown, by setting the back plate adjustment structure, during use, according to the size of the leather to be sewn, the active back 7 at the bottom of the upper support seat 9 and the clamping sliders 19 on both sides of the active back 7 are inserted into the inside of the lower fixing plate 16. The adjusting screw 18 is inserted into the sliding grooves 17 at the front and rear ends of the lower fixing plate 16 and contacts the active back 7 inside the lower fixing plate 16. The active back 7 slides inside the lower fixing plate 16 to drive the adjusting screw 18 to slide in the sliding grooves 17 at the front and rear ends of the lower fixing plate 16. Then, the fixing nut 20 is sleeved on the outside of the adjusting screw 18 and contacts the rear end of the lower fixing plate 16 to lock the position of the active back 7 at the top of the lower fixing plate 16, thus realizing the back plate adjustment function.
[0031] Embodiment 3: An inner moving groove 24 is formed at the top of the fixed base 3. A lower clamping seat 21 is installed inside the inner moving groove 24. A lower fixed clamping block 22 is installed at the top of the lower clamping seat 21. A clamping screw 26 is inserted at the front end of the lower fixed clamping block 22. A lower movable clamping block 4 is inserted at the front end of the clamping screw 26. A locking sleeve 5 is sleeved outside the lower movable clamping block 4. A clamping sliding groove 23 is formed inside the lower clamping seat 21. Moving hole grooves 25 are formed on both sides of the inner moving groove 24. A locking knob 15 is inserted outside the fixed base 3.
[0032] The lower movable clamping block 4 slides inside the clamping sliding groove 23 at the top of the lower clamping seat 21. The locking sleeve 5 is sleeved outside the clamping screw 26 at the front end of the locking sleeve 5 and contacts the lower movable clamping block 4. The locking knob 15 is inserted into the moving hole grooves 25 on both sides of the fixed base 3 and is connected to the lower clamping seat 21 inside the inner moving groove 24.
[0033] Specifically, as Figure 1 , Figure 5 and Figure 6 shown, by setting the clamping and moving structure, during use, according to the shape of the leather for making the bag, the lower clamping seat 21 carrying the lower fixed clamping block 22 and the lower movable clamping block 4 is moved inside the inner moving groove 24 formed at the top of the fixed base 3. After moving to the corresponding position, the locking knob 15 is inserted into the moving hole grooves 25 formed on both sides of the fixed base 3 and is connected and fixed to the lower clamping seat 21 inside the inner moving groove 24. The leather is placed between the lower fixed clamping block 22 and the lower movable clamping block 4. By rotating the locking sleeve 5 outside the clamping screw 26 at the front end of the lower fixed clamping block 22, the lower movable clamping block 4 is driven to slide on the clamping sliding groove 23 at the top of the lower clamping seat 21 to clamp the leather, thereby realizing the clamping and moving function.
[0034] Working principle: When in use, the present utility model splices the front shaping module 1 and the rear shaping module 11 in the form of a briefcase. According to the width of the briefcase, the extension screw 13 is threadedly engaged with the internal threaded grooves 14 on both sides of the connecting seat 12 to adjust the total length of the connecting seat 12 and the two groups of extension screws 13. Then, the connecting seat 12 and the extension screws 13 are clamped into the connecting hole grooves 10 with corresponding depths inside the front shaping module 1 and the rear shaping module 11 to connect and fix the rear shaping module 11 and the front shaping module 1. The leather surface of the briefcase is contact-shaped with the front shaping module 1, the rear shaping module 11, and the extension border 8 outside the front shaping module 1 and the rear shaping module 11. The lower clamping seat 21 drives the lower fixed clamping block 22 and the lower movable clamping block 4 to move inside the internal moving groove 24 opened at the top of the fixed base 3. After moving to the corresponding position, the locking knob 15 is inserted into the internal moving groove 24 through the moving hole grooves 25 opened on both sides of the fixed base 3 to connect and fix with the lower clamping seat 21 inside. The carried leather, the front shaping module 1, and the rear shaping module 11 are placed between the lower fixed clamping block 22 and the lower movable clamping block 4. By rotating the locking sleeve 5 outside the clamping screw 26 at the front end of the lower fixed clamping block 22, the lower movable clamping block 4 slides on the clamping chute 23 at the top of the lower clamping seat 21 for clamping. The movable back 7 at the bottom of the upper support seat 9 and the clamping sliders 19 on both sides of the movable back 7 are inserted into the lower fixing plate 16. Then, the adjusting screw 18 is inserted into the sliding grooves 17 at the front and rear ends of the lower fixing plate 16 to contact the movable back 7 inside the lower fixing plate 16. The movable back 7 slides inside the lower fixing plate 16 to drive the adjusting screw 18 to slide in the sliding grooves 17 at the front and rear ends of the lower fixing plate 16. Then, the fixing nut 20 is sleeved outside the adjusting screw 18 to contact the rear end of the lower fixing plate 16 to lock the position of the movable back 7 at the top of the lower fixing plate 16. The carried leather, the top of the front shaping module 1, and the rear shaping module 11 are connected to the upper clamping seat 6 at the bottom of the upper support seat 9.
[0035] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A hand-held briefcase sewing mold with a width adjustment structure, comprising a front shaping module (1) and a fixed base (3), characterized in that: The rear end of the front shaping module (1) is connected to the rear shaping module (11), the interior of the front shaping module (1) is provided with a connecting hole groove (10), the interior of the rear shaping module (11) is provided with a connecting seat (12), both sides of the connecting seat (12) are provided with internal thread grooves (14), both sides of the connecting seat (12) are provided with extended screws (13), the connecting hole grooves (10) are provided with a plurality of groups, the front shaping module (1) and the rear shaping module (11) are provided with a connecting hole groove (10), and the connecting hole grooves (10) are provided with a plurality of groups. 1) is provided with connecting hole grooves (10) of different depths, the extension screw rod (13) is threadedly connected with the internal thread grooves (14) on both sides of the connecting seat (12), the extension screw rods (13) on both sides of the connecting seat (12) are snap-fitted with the connecting hole grooves (10) provided in the front shaping module (1) and the rear shaping module (11), and the front shaping module (1) and the rear shaping module (11) are connected via the connecting seat (12) and the extension screw rod (13).
2. The handbag sewing mold with a width adjustment structure according to claim 1, characterized in that: The rear end of the fixed base (3) is connected to a lower fixed plate (16), a movable back portion (7) is inserted at the top of the lower fixed plate (16), and clamping sliders (19) are provided on both sides of the movable back portion (7). The top end of the lower fixed plate (16) is connected to an upper support seat (9), and sliding grooves (17) are provided at the front and rear ends of the lower fixed plate (16), and an adjusting screw (18) is inserted at the front end of the sliding groove (17), and a fixing nut (20) is sleeved on the outside of the adjusting screw (18), and an upper clamping seat (6) is installed at the bottom of the upper support seat (9).
3. The handbag sewing mold with width adjustment structure according to claim 2, characterized in that: The movable back portion (7) carries the clamping sliders (19) on both sides and is inserted into the top end of the lower fixed plate (16); the upper support seat (9) is adjusted to a distance from the fixed base (3) on the lower fixed plate (16) through the movable back portion (7).
4. The handbag sewing mold with width adjustment structure according to claim 2, characterized in that: The adjusting screw (18) passes through the sliding grooves (17) provided at the front and rear ends of the lower fixing plate (16) and is connected to the movable back portion (7) inside the lower fixing plate (16); the fixing nut (20) is sleeved on the outside of the adjusting screw (18) and contacts the rear end of the lower fixing plate (16).
5. The handbag sewing mold with width adjustment structure according to claim 1, characterized in that: An extended frame (8) is arranged outside the front shaping module (1), and an opening groove (2) is arranged inside the extended frame (8).
6. The handbag sewing mold with width adjustment structure according to claim 1, characterized in that: The top of the fixed base (3) is provided with an inner movable groove (24), the interior of the inner movable groove (24) is provided with a lower clamping seat (21), the top of the lower clamping seat (21) is provided with a lower fixed clamping block (22), the front end of the lower fixed clamping block (22) is inserted with a clamping screw (26), the front end of the clamping screw (26) is inserted with a lower movable clamping block (4), the outer portion of the lower movable clamping block (4) is provided with a locking rotary sleeve (5), the interior of the lower clamping seat (21) is provided with a clamping slide groove (23), both sides of the inner movable groove (24) are provided with movable hole grooves (25), and the outer portion of the fixed base (3) is provided with a locking knob (15).
7. The handbag sewing mold with width adjustment structure according to claim 6, characterized in that: The lower movable clamping block (4) slides inside the clamping groove (23) at the top end of the lower clamping seat (21), the locking rotary sleeve (5) is sleeved on the outside of the clamping screw (26) at the front end of the locking rotary sleeve (5) and contacts the lower movable clamping block (4), and the locking knob (15) is inserted into the movable hole grooves (25) on both sides of the fixed base (3) and connected to the lower clamping seat (21) inside the inner movable groove (24).