Detection device for detecting tensile strength of cloth

Abstract

The detection device for detecting the tensile strength of the cloth comprises a base, a sliding plate and a fixed plate. And clamping structures are arranged on the sliding plate and the fixed plate. A strip-shaped groove is formed in the top end of the base. A lead screw is rotationally connected into the strip-shaped groove. And a nut seat is sleeved outside the screw rod. A fixing table is fixed to the right side of the base. And a cavity is formed in the fixed table. A sliding groove and two clamping grooves are formed in the front end of the fixing table. And a driving structure is arranged in the fixed table. The driving structure comprises a driving rotating rod, a driven rotating rod, a driving large gear, a driving small gear, a sliding sleeve, a rotating ring, a handle rod, a driven large gear and a driven small gear. According to the utility model, the cloth can be snapped more quickly in a labor-saving manner, so that the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of fabric testing devices, specifically a testing device for testing the tensile strength of fabric. Background Technology

[0002] The applicant previously applied for and was granted a utility model patent with authorization announcement number CN218382092U, which discloses a fabric tensile strength testing device. The device includes a base and a sliding plate. A scale line is provided on the front of the top of the base. A first fixing plate and a second fixing plate are fixed to the left and right sides of the top of the base, respectively. A first slide rail is fixedly connected between the first and second fixing plates. A rack is fixed on the first slide rail. A sliding hole is formed through the sliding plate, and a through groove is formed on one side wall of the hole. A cavity is formed inside the sliding plate, and a rotating rod is rotatably connected within the cavity. A gear and a worm gear are fixedly sleeved on the outside of the rotating rod. The gear meshes with the rack. A worm gear meshing with the worm gear is also rotatably connected within the cavity. One end of the worm gear extends out of the sliding plate and is fixedly attached to a handle. Clamping structures are provided on opposite sides of both the sliding plate and the second fixing plate. This utility model can test the tensile strength of fabric through a simple mechanical structure, saving costs and requiring no power supply.

[0003] However, the applicant found in actual use that, since the utility model does not have a labor-saving structure, if the strength of the fabric to be tested is high, the staff needs to exert a lot of force to turn the handle until the fabric breaks.

[0004] Therefore, this utility model proposes a technical solution to solve the problems of time-consuming and laborious manual rotation of the handle and low work efficiency. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a testing device for detecting the tensile strength of fabric, aiming to achieve the technical effect of breaking the fabric more quickly and effortlessly, thereby improving work efficiency.

[0006] A testing device for detecting the tensile strength of fabric includes a base, a sliding plate slidably connected to the top of the base, and a fixed plate fixed to the left side of the top of the base. The base has graduated lines. Clamping structures are provided on opposite sides of the sliding plate and the fixed plate. A horizontally extending strip-shaped groove is formed at the top of the base. A lead screw with the same extension direction as the groove is rotatably connected to the groove via a bearing. A nut seat is threaded onto the outside of the lead screw. The nut seat slides against the groove wall. The top of the base is fixedly connected to the bottom of the sliding plate. A fixed platform is fixed to the right side of the base. The fixed platform has a cavity inside. The front end of the fixed platform has a sliding groove and two slots spaced apart to the left and right. The sliding groove extends laterally to the left and right, and its rear end communicates with the cavity. The bottom end of the slot communicates with the sliding groove, and the rear end of the slot communicates with the cavity. A drive structure for driving the lead screw to rotate is provided in the cavity. The drive structure includes a driving rod, a driven rod, a sliding sleeve, a rotating ring, and a lever. The driving rod is rotatably connected to the bearing. The driven rotating rod is connected to the inside of the cavity, with its right end protruding from the fixed platform. The externally fixed sleeve of the driving rotating rod is fitted with a driving large gear and a driving small gear located within the cavity. The driven rotating rod is rotatably connected to the inside of the cavity via a bearing, and its left end is connected to the lead screw via a coupling. A left-right extending limiting groove is formed on the outer wall of the driven rotating rod. The sliding sleeve is slidably fitted onto the outside of the driven rotating rod. A limiting block is fixed on the inner wall of the sliding sleeve for inserting into the limiting groove and sliding left and right along the limiting groove. The externally fixed sleeve is fitted with a driven rotating rod located within the cavity. The rotating ring is rotatably mounted on the outside of the sliding sleeve via a bearing. One end of the handle is fixedly connected to the rotating ring, and the other end of the handle passes through a sliding groove and exits the fixed platform. The handle slides left and right along the groove wall and can be rotated and inserted into a slot in a cooperative manner. When the handle is inserted into one of the slots, the driving large gear and the driven small gear mesh, and the driving small gear and the driven large gear are displaced. When the handle is inserted into the other slot, the driving large gear and the driven small gear are displaced, and the driving small gear and the driven large gear mesh.

[0007] By adopting the above technical solution, before use, the sliding sleeve is slid by the handle, so that the driving large gear and the driven small gear are engaged, while the driving small gear and the driven large gear are misaligned. The handle is then inserted into one of the slots to fix it in place. Two clamping structures then clamp both ends of the fabric. Next, the driving rod is rotated, which drives the sliding sleeve to rotate via the driving large gear and the driven small gear. The sliding sleeve drives the driven rod to rotate via the limiting block and limiting groove. The driven rod drives the lead screw to rotate. The lead screw drives the nut seat to slide along the strip groove. The nut seat drives the sliding plate to slide. The sliding plate moves the clamping structure on it, increasing the distance between it and the clamping structure on the fixed plate. The fabric clamped between the two clamping structures is stretched. When the fabric is in a flat state, the driving rod is stopped, and the current position of the sliding plate is recorded by a scale. During the process of stretching the fabric from a bent state to a flat state, since the worker does not need to exert much force, the driving gear drives the driven gear, allowing for faster movement of the sliding plate. Although this method of the driving gear is more strenuous, it is still manageable for an adult. Next, the lever is rotated out of the slot and slid along the groove, causing the sliding sleeve to slide. This results in the driving gear and driven gear being misaligned, while the driving gear and driven gear are engaged. The lever is then inserted into another slot to secure it. The driving lever is then rotated further to continue stretching the fabric. When the fabric breaks, the driving lever is stopped, and the current position of the sliding plate is recorded on the scale. The difference between the two recorded values ​​is used to determine the fabric's stretch length, thus assessing its tensile strength. In short, during the process of stretching the fabric from a flat state to breakage, since the worker needs to exert considerable force, the driving gear drives the driven gear, allowing for more effortless movement of the sliding plate. This invention enables faster and less effort to break fabric, thereby improving work efficiency.

[0008] A further feature of this invention is that the driven rotating rod is externally fixed with two limiting rings, which are located on the left and right sides of the sliding sleeve, respectively.

[0009] By adopting the above technical solution, when the sliding sleeve is engaged with the two limiting rings, the handlebar corresponds to the two slots respectively. The limiting rings enable quick positioning of the handlebar.

[0010] A further feature of this invention is as follows: a fixing structure for fixing the handle is provided on the front outer side wall of the fixing platform. The fixing structure includes a locking rod and two fixing rings. Both fixing rings are fixed to the front outer side wall of the fixing platform. The two fixing rings are located between two slots and spaced apart to the left and right. The locking rod passes through the two fixing rings in a sliding connection manner. A locking block is fixed on the outer side wall of the locking rod, located between the two fixing rings. When the locking block is in contact with the left fixing ring, the left end of the locking rod spans the left slot, and a gap is maintained between it and the top of the slot for inserting the handle. The right end of the locking rod is completely offset from the right slot. When the locking block is in contact with the right fixing ring, the right end of the locking rod spans the right slot, and a gap is maintained between it and the top of the slot for inserting the handle. The left end of the locking rod is completely offset from the left slot.

[0011] By adopting the above technical solution, after the handlebar is inserted into the slot, the sliding lever engages the bottom end of the handlebar, thus fixing the handlebar in the slot. Similarly, when it is necessary to rotate the handlebar out of one slot, the sliding lever is first reversed to release the bottom end of the handlebar.

[0012] A further feature of this invention is that a turntable is fixed to the right end of the active rotating rod, and a handle is fixed to the turntable.

[0013] By adopting the above technical solution, the turntable and handle design make it easier and less strenuous to rotate the active lever.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] A testing device for detecting the tensile strength of fabric. This invention can break fabric more quickly and effortlessly, thereby improving work efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a testing device for detecting the tensile strength of fabric according to the present invention;

[0017] Figure 2 This is a partial cross-sectional view from the front view of a testing device for detecting the tensile strength of fabric according to the present invention.

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a front view of the fixed platform of a testing device for detecting the tensile strength of fabric according to the present invention.

[0020] Reference numerals in the attached diagram: 1. Base; 2. Sliding plate; 3. Fixing plate; 4. Scale line; 5. Clamping structure; 6. Strip groove; 7. Lead screw; 8. Nut seat; 9. Fixing platform; 10. Cavity; 11. Slide groove; 12. Slot; 13. Driving rotating rod; 14. Driven rotating rod; 15. Sliding sleeve; 16. Rotary ring; 17. Handle; 18. Turntable; 19. Handle; 20. Driving large gear; 21. Driving small gear; 22. Limiting ring; 23. Limiting groove; 24. Limiting block; 25. Driven large gear; 26. Driven small gear; 27. Locking rod; 28. Fixing ring; 29. ​​Locking block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] A testing device for detecting the tensile strength of fabrics, such as... Figures 1-4 As shown, the device includes a base 1, a sliding plate 2 slidably connected to the top of the base 1, and a fixing plate 3 fixed to the left side of the top of the base 1. The base 1 is engraved with scale lines 4. Clamping structures 5 are provided on opposite sides of the sliding plate 2 and the fixing plate 3. This embodiment is a technical improvement addressing the problem of time-consuming, labor-intensive, and inefficient manual rotation of the handle 19 in the utility model patent with authorization announcement number CN218382092U for a fabric tensile strength testing device. The clamping structure 5 is not within the scope of this embodiment's improvement; therefore, the clamping structure 5 can be referenced from the relevant part of the utility model patent with authorization announcement number CN218382092U for a fabric tensile strength testing device, and will not be specifically described in this embodiment.

[0023] The top of the base 1 has a horizontally extending strip groove 6. A lead screw 7 with the same extension direction is rotatably connected to the strip groove 6 via a bearing. A nut seat 8 is threadedly fitted onto the outside of the lead screw 7. The nut seat 8 slides against the groove wall of the strip groove 6. The top of the nut seat 8 is fixedly connected to the bottom of the sliding plate 2.

[0024] A fixed platform 9 is fixed to the right side of the base 1. A cavity 10 is formed inside the fixed platform 9. A sliding groove 11 and two slots 12 spaced apart on the left and right sides are formed at the front end of the fixed platform 9. The sliding groove 11 extends laterally on the left and right sides, and its rear end communicates with the cavity 10. The bottom end of the slot 12 communicates with the sliding groove 11, and the rear end of the slot 12 communicates with the cavity 10.

[0025] The cavity 10 is equipped with a drive structure for rotating the lead screw 7. The drive structure includes a driving rod 13, a driven rod 14, a sliding sleeve 15, a rotating ring 16, and a lever 17.

[0026] The drive lever 13 is rotatably connected to the inside of the cavity 10 via a bearing, and its right end protrudes and is fixed to a turntable 18. A handle 19 is fixed on the turntable 18. The drive lever 13 is externally fitted with a drive gear 20 and a drive pinion located in the cavity 10.

[0027] Driven rotating rod 14 is rotatably connected to the interior of cavity 10 via bearings, and its left end is connected to lead screw 7 via a coupling. Two limiting rings 22 are fixedly sleeved on the outside of driven rotating rod 14. A limiting groove 23 extending laterally to the left and right is opened on the outer side wall of driven rotating rod 14. The limiting groove 23 is located between the two limiting rings 22.

[0028] The sliding sleeve 15 is slidably sleeved outside the driven rotating rod 14 and located between the two limiting rings 22. A limiting block 24 is fixed on the inner side wall of the sliding sleeve 15 for inserting into the limiting groove 23 and sliding left and right along the limiting groove 23. The outer side of the sliding sleeve 15 is fixedly sleeved with a driven large gear 25 and a driven small gear 26 located in the cavity 10.

[0029] The swivel ring 16 is rotatably mounted on the outside of the sliding sleeve 15 via a bearing. One end of the handle 17 is fixedly connected to the swivel ring 16. The other end of the handle 17 passes through the sliding groove 11 and exits the fixed platform 9. The handle 17 slides left and right along the groove wall of the sliding groove 11 and can be rotatably inserted into the slot 12 in a matching connection manner.

[0030] When the sliding sleeve 15 is engaged with the right limit ring 22, the handlebar 17 corresponds to the right slot 12, the driving large gear 20 and the driven small gear 26 are misaligned, and the driving small gear 21 and the driven large gear 25 are engaged; when the sliding sleeve 15 is engaged with the left limit ring 22, the handlebar 17 corresponds to the left slot 12, the driving large gear 20 and the driven small gear 26 are engaged, and the driving small gear 21 and the driven large gear 25 are misaligned.

[0031] A fixing structure for fixing the handle 17 is provided on the front outer side wall of the fixing platform 9. The fixing structure includes a locking rod 27 and two fixing rings 28. Both fixing rings 28 are fixed to the front outer side wall of the fixing platform 9. The two fixing rings 28 are located between the two locking slots 12 and are spaced apart from each other. The locking rod 27 passes through the two fixing rings 28 in a sliding connection. A locking block 29 located between the two fixing rings 28 is fixed on the outer side wall of the locking rod 27. When the locking block 29 is in contact with the left fixing ring 28, the left end of the locking rod 27 spans the left locking slot 12, and there is a gap between it and the top of the locking slot 12 for the handle 17 to be inserted. The right end of the locking rod 27 is completely offset from the right locking slot 12. When the locking block 29 is engaged with the right-side fixing ring 28, the right end of the locking lever 27 spans the right-side locking groove 12, and there is a gap between it and the top of the locking groove 12 for the lever 17 to be inserted. The left end of the locking lever 27 is completely offset from the left-side locking groove 12.

[0032] Working principle:

[0033] Before using this invention, the distance between the sliding plate 2 and the fixed plate 3 should be less than the length of the fabric, so that both ends of the fabric can be clamped onto the two clamping structures 5 respectively. The handle 17 should be positioned in the slot 12 on the left side, and the locking rod 27 should be slid to the left to lock the bottom end of the handle 17. At this time, the sliding sleeve 15 is engaged with the left limiting ring 22, the driving large gear 20 meshes with the driven small gear 26, and the driving small gear 21 is offset from the driven large gear 25.

[0034] Then, the two ends of the fabric are clamped by two clamping structures 5 respectively. Next, the drive lever 13 is rotated by the handle 19. The turntable 18 and the handle 19 make it easier and less strenuous to rotate the drive lever 13. The drive lever 13 drives the sliding sleeve 15 to rotate through the drive large gear 20 and the driven small gear 26. At this time, since the handle 17 is restricted in the slot 12 on the left side, and the sliding sleeve 15 and the rotating ring 16 are rotatably connected by bearings, the rotation of the sliding sleeve 15 will not drive the handle 17 and the rotating ring 16. The driven lever 14 will be driven to rotate by the sliding sleeve 15 through the limiting block 24 and the limiting groove 23. The driven lever 14 drives the lead screw 7 to rotate. The lead screw 7 drives the nut seat 8 to slide along the strip groove 6. The nut seat 8 drives the sliding plate 2 to slide. The sliding plate 2 drives the clamping structure 5 on it to move, increasing the distance between it and the clamping structure 5 on the fixed plate 3. The fabric clamped between the two clamping structures 5 is stretched. When the fabric is in a flat state, the handle 19 is stopped, and the current position of the sliding plate 2 is recorded by the scale line 4. That is, during the process of the fabric being stretched from a bent state to a flat state, since the operator does not need to exert much force, the driving gear 20 drives the driven gear 26, which allows the sliding plate 2 to move more quickly. Although the method of the driving gear 20 driving the driven gear 26 is inherently more strenuous, it is still within the range that an adult can easily overcome.

[0035] Next, slide lever 27 to the right so that it no longer locks the bottom of handle 17. Then rotate handle 17 downwards, causing the rotating ring 16 to rotate on the sliding sleeve 15. After handle 17 rotates out of the left slot 12, slide it to the right along the sliding groove 11, thereby causing the sliding sleeve 15 to slide to the right. The sliding sleeve 15 causes the limiting block 24 to slide to the right along the limiting groove 23. Until the sliding sleeve 15 is in contact with the right limiting ring 22, at this time, the driving large gear 20 and the driven small gear 26 are misaligned, the driving small gear 21 and the driven large gear 25 are engaged, and handle 17 corresponds to the right slot 12. Then slide lever 27 to the left, and after rotating handle 17 into the right slot 12, slide lever 27 to the right again to fix handle 17 in the right slot 12.

[0036] Then, the active lever 13 is rotated by handle 19 to continue stretching the fabric. When the fabric breaks, the rotation of handle 19 is stopped, and the current position of the sliding plate 2 is recorded by the scale line 4. The difference between the two recorded values ​​is used to determine the stretching length of the fabric, thereby judging its tensile strength. That is, during the process of stretching the fabric from a flat state to breakage, since the worker needs to exert a lot of force, the choice of driving the driven large gear 25 by the active pinion 21 allows for more effortless movement of the sliding plate 2.

[0037] This invention enables faster and less effort to break fabric, thereby improving work efficiency.

[0038] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A testing device for detecting the tensile strength of fabric, comprising a base (1), a sliding plate (2) slidably connected to the top of the base (1), and a fixing plate (3) fixed to the left side of the top of the base (1), wherein scale lines (4) are engraved on the base (1), and clamping structures (5) are provided on opposite sides of the sliding plate (2) and the fixing plate (3), characterized in that: The top of the base (1) has a horizontally extending strip groove (6). A lead screw (7) with the same extension direction is rotatably connected to the strip groove (6) through a bearing. A nut seat (8) is threadedly fitted onto the outside of the lead screw (7). The nut seat (8) slides against the groove wall of the strip groove (6). The top of the nut seat (8) is fixedly connected to the bottom of the sliding plate (2). A fixed platform (9) is fixed on the right side of the base (1). A cavity (10) is opened inside the fixed platform (9). A sliding groove (11) and two slots (12) spaced apart on the left and right sides are opened at the front end of the fixed platform (9). The sliding groove (11) is horizontally extended on the left and right sides. Extended, and its rear end communicates with the cavity (10), the bottom end of the slot (12) communicates with the slide groove (11), the rear end of the slot (12) communicates with the cavity (10), the cavity (10) is provided with a drive structure for driving the lead screw (7) to rotate, the drive structure includes a driving rod (13), a driven rod (14), a sliding sleeve (15), a rotating ring (16) and a handle (17), the driving rod (13) is rotatably connected to the inside of the cavity (10) through a bearing, and its right end protrudes through the fixed platform (9), the external fixed sleeve of the driving rod (13) is provided with a driving large gear (20) and a driving small gear (21) located in the cavity (10), the The driven rotating rod (14) is rotatably connected to the inside of the cavity (10) via a bearing, and its left end is connected to the lead screw (7) via a coupling. A left-right extending limiting groove (23) is provided on the outer wall of the driven rotating rod (14). The sliding sleeve (15) is slidably fitted onto the outside of the driven rotating rod (14). A limiting block (24) for inserting into the limiting groove (23) and sliding left-right along the limiting groove (23) is fixed on the inner wall of the sliding sleeve (15). A driven large gear (25) and a driven small gear (26) located in the cavity (10) are fixedly fitted onto the outside of the sliding sleeve (15). The rotating ring (16) is rotatably fitted onto the outside of the sliding sleeve (15) via a bearing. One end of the handle (17) is fixedly connected to the swivel (16), and the other end of the handle (17) passes through the sliding groove (11) and exits the fixed platform (9). The handle (17) slides left and right along the groove wall of the sliding groove (11) and can be rotated and inserted into the slot (12) in a coordinated manner. When the handle (17) is inserted into one of the slots (12), the driving large gear (20) meshes with the driven small gear (26), and the driving small gear (21) and the driven large gear (25) are disengaged. When the handle (17) is inserted into the other slot (12), the driving large gear (20) and the driven small gear (26) are disengaged, and the driving small gear (21) and the driven large gear (25) mesh.

2. The testing device for detecting the tensile strength of fabric according to claim 1, characterized in that: The driven rotating rod (14) is externally fixed with two limiting rings (22), which are located on the left and right sides of the sliding sleeve (15).

3. The testing device for detecting the tensile strength of fabric according to claim 1, characterized in that: A fixing structure for fixing the handle (17) is provided on the front outer side wall of the fixing platform (9). The fixing structure includes a locking rod (27) and two fixing rings (28). The two fixing rings (28) are fixed on the front outer side wall of the fixing platform (9). The two fixing rings (28) are located between two locking slots (12) and are spaced apart. The locking rod (27) passes through the two fixing rings (28) in a sliding connection manner. A locking block (29) located between the two fixing rings (28) is fixed on the outer side wall of the locking rod (27). When the locking block (29) is closed, the locking block (29) is closed. 29) When the locking block (29) is in contact with the fixing ring (28) on the left, the left end of the locking rod (27) spans the left slot (12) and there is a gap between it and the top of the slot (12) for the rod (17) to be inserted. The right end of the locking rod (27) is completely offset from the right slot (12). When the locking block (29) is in contact with the fixing ring (28) on the right, the right end of the locking rod (27) spans the right slot (12) and there is a gap between it and the top of the slot (12) for the rod (17) to be inserted. The left end of the locking rod (27) is completely offset from the left slot (12).

4. The testing device for detecting the tensile strength of fabric according to claim 1, characterized in that: The right end of the active rotating rod (13) is fixed with a turntable (18), and a handle (19) is fixed on the turntable (18).

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