Convenient cloth clamp

Abstract

The utility model relates to the technical field of cloth clamps, and discloses a convenient cloth clamp which comprises an upper clamping block, the two ends of the upper clamping block are fixedly connected with upper fixing blocks, the middle of each upper fixing block is in threaded connection with a threaded rod, the upper end of each threaded rod is provided with a left-hand threaded groove, and the left-hand threaded groove is provided with a right-hand threaded groove. And right-hand thread grooves are formed in the lower ends of the threaded rods correspondingly, the lower ends of the threaded rods are in threaded connection with lower fixing blocks correspondingly, a lower clamping block is fixedly connected between every two adjacent lower fixing blocks, a rotating block is rotationally connected to the middle of each threaded rod, and a rotating shaft is fixedly connected to the outer wall of each rotating block. According to the cloth clamping device, cloth penetrates through the space between the two clamping blocks, the two clamping blocks move oppositely to clamp the cloth, the crank is rotated, the cloth is wound by several circles, the cloth is clamped at the moment, the cloth clamping device can also be suitable for some cloth with high elasticity, the cloth cannot be damaged, and the cloth cannot be separated from tensile test equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to cloth clamp technical field especially, relates to a portable cloth clamp. BACKGROUND

[0002] The main raw material of cloth production includes natural fiber and chemical fiber, and the natural fiber includes cotton, wool and silk, which has the characteristics of softness, air permeability and good moisture absorption, and the chemical fiber such as polyester fiber, nylon and acrylic is manufactured by artificial synthesis, which has the advantages of high strength, good wear resistance and not easy to deform, and cloth production needs careful processing and treatment through multiple links, and after the completion of garment cloth production and processing, the tensile property of cloth needs to be tested using a tensile test equipment, and when tensile testing, a clamping fixture is needed to fix the garment cloth on the tensile test equipment.

[0003] Through the search, the patent publication number CN217384990U discloses a kind of garment cloth clamping fixture and cloth tensile detection device, clamping fixture includes clamping assembly and fixed component, clamping assembly includes top plate, bottom plate, side plate and clamping plate, top plate and bottom plate are fixedly connected by side plate, clamping plate is arranged between top plate and bottom plate, clamping plate is connected between top plate by screw rod, screw rod is along the thickness direction of top plate and penetrates, the top of screw rod is fixed with handle;Fixed component includes first fixed block, second fixed block and locking piece, the cloth to be tested can be fixed between first fixed block and second fixed block, first fixed block and second fixed block are detachably connected by locking piece, the bottom surface of top plate and the top surface of bottom plate are respectively provided with first slot and second slot, first slot and second slot are oppositely arranged, first fixed block and second fixed block are detachably connected in first slot and second slot, the clamping fixture of above structure can have certain clamping and fixing effect to ordinary cloth, but the fixing effect is not good for the cloth with good elasticity, and the cloth is easy to separate from tensile test equipment. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of portable cloth clamp, to improve the fixing effect of cloth with good elasticity in prior art, and the problem that cloth is easy to separate from tensile test equipment.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A portable cloth clamp, including upper clamp piece, both ends of the upper clamp piece are fixedly connected with upper fixed block, the middle part of the upper fixed block is all threadedly connected with the threaded rod, the upper end of the threaded rod is all set with left screw thread groove, the lower end of the threaded rod is all set with right screw thread groove, the lower end of the threaded rod is all threadedly connected with lower fixed block, the adjacent between two lower fixed blocks is fixedly connected with lower clamp piece, the middle part of the threaded rod is rotatably connected with rotating block, the outer wall of the rotating block is fixedly connected with rotating shaft, the outer wall of the rotating shaft is rotatably connected with support, the adjacent between two supports is fixedly connected with base, the outer wall of left side support is provided with locking mechanism, the locking mechanism is used for locking cloth clamp.

[0006] Through the above technical scheme: the upper clamp piece is as the important component of cloth clamp, and the surface is treated specially, can ensure that does not cause damage to cloth when clamping cloth, also has certain antiskid performance, so as to better fix cloth, the connection of upper fixed block and upper clamp piece is close and firm, can bear greater pressure and will not loosen, the connection of the subsequent parts of upper fixed block provides stable support, the threaded rod is the key component of cloth clamp to realize clamping function, left screw thread groove and right screw thread groove cooperate with each other, so that when rotating threaded rod, the synchronous motion of upper clamp piece and lower clamp piece can be realized, so that the clamping force is adjusted more conveniently, satisfies the fixing demand of cloth of different thickness and material, the rotating block is as the key component of connecting threaded rod and rotating shaft, and its rotating performance directly influences the convenient use of cloth clamp, the rotating shaft provides the rotation center for the operation of cloth clamp, and the clamping angle and position of cloth clamp can be adjusted by rotating rotating shaft, and the base is as the bottom support component of cloth clamp, and its stability and bearing capacity are crucial.

[0007] As a further description of the above technical scheme:

[0008] The locking mechanism includes a fixed sheet, one end of the fixed sheet is fixedly connected with the outer wall of the support, the bottom surface of the fixed sheet is fixedly connected with a hinge, the other end of the hinge is fixedly connected with a fastening sheet, the top surface of the fastening sheet is fixedly connected with a spring, the other end of the spring is fixedly connected with the bottom surface of the fixed sheet, the inner wall of the fixed sheet is fixedly connected with a fixed column, the outer wall of the fixed column is rotatably connected with a cam, and the outer wall of the cam is fixedly connected with a pressure rod.

[0009] Through the above technical solution: the fixing plate is an important part of the locking mechanism, one end of which is tightly fixed to the outer wall of the bracket. The fixing plate is usually made of strong and durable metal material, has high strength and stability, and can withstand large external forces without being easily deformed or damaged. The fastening plate is one of the key components of the locking mechanism. By cooperating with other components, the fabric clamp is locked. The fastening plate has a high friction coefficient and can stop the rotating shaft from rotating. The spring has good elasticity and durability. One end of the fastening plate is fixedly connected to the top surface of the fastening plate, and the other end is fixedly connected to the bottom surface of the fixing plate. In the locked state, the spring is in a stretched state. During the unlocking process, The elastic force of the spring can help the fastening plate to reset quickly, making operation convenient. The fixed column provides a stable support point for the rotation of the cam, ensuring that the cam will not shake or deviate during the rotation process. When the cam rotates to a specific position, its protruding part can press the fastening plate downward, so that the fastening plate fits tightly against the outer wall of the rotating shaft, thereby achieving locking. When the cam rotates to another position, its protruding part separates from the fastening plate, and the elastic force of the spring bounces the fastening plate upward to achieve unlocking. One end of the pressure rod is fixedly connected to the outer wall of the cam, and the other end extends out of the locking mechanism. By pressing the pressure rod, the cam can be rotated on the fixed column, thereby achieving the locking and unlocking functions.

[0010] As a further description of the above technical solution:

[0011] The bottom surface of the upper clamping block and the top surface of the lower clamping block are both fixedly connected with twist teeth, and the twist teeth are cross-arranged.

[0012] Through the above technical solution: the bottom surface of the upper clamping block and the top surface of the lower clamping block are fixedly connected with a twisting tooth. The unique design of the twisting tooth can increase the friction between the cloth and ensure that the cloth is clamped more firmly and reliably. The cross-arranged twisting teeth can better grasp the cloth and prevent the cloth from sliding or shifting during the clamping process. It can also disperse the clamping force to avoid damage to the cloth caused by excessive local pressure.

[0013] As a further description of the above technical solution:

[0014] One end of the rotating shaft on the right is fixedly connected to a crank, and the outer wall of the crank is rotatably connected to a rotating drum.

[0015] Through the above technical solution: the crank at one end of the rotating shaft provides a more convenient operation method, and the setting of the rotating drum brings more comfort and convenience to the operation of the crank. The rotating drum is usually made of soft rubber or plastic material and can rotate freely on the outer wall of the crank. When the user turns the crank, the rotating drum can reduce the friction between the hand and the crank, thereby improving the smoothness of the operation.

[0016] As a further description of the above technical solution:

[0017] A reinforcing rib is fixedly connected to the top surface of the base, and the other end of the reinforcing rib is fixedly connected to the outer wall of the bracket.

[0018] Through the above technical solution: in order to further enhance the structural strength of the base, reinforcing ribs are fixedly connected to its top surface. The reinforcing ribs can also increase the stability of the bracket and prevent the bracket from shaking or tilting when clamping the fabric.

[0019] As a further description of the above technical solution:

[0020] A threaded sleeve is fixedly connected to the inner wall of the upper fixing block, and the inner wall of the threaded sleeve is threadedly connected to the threaded rod.

[0021] Through the above technical solution: the inner wall of the threaded sleeve is provided with a thread that matches the threaded rod. This threaded connection method enables the threaded rod to rotate smoothly in the threaded sleeve, thereby realizing the opening and closing actions of the upper clamping block and the lower clamping block. The thread is designed with high precision, which can ensure that the threaded rod rotates smoothly without jamming or shaking.

[0022] As a further description of the above technical solution:

[0023] Limit blocks are provided at both ends of the rotating block, and the inner walls of the limit blocks are fixedly connected to the outer walls of the threaded rod.

[0024] Through the above technical solution, the limit block can effectively limit the axial movement of the rotating block, preventing the rotating block from separating from the threaded rod during use.

[0025] As a further description of the above technical solution:

[0026] Both ends of the threaded rod are fixedly connected with a hexagonal column, and the outer wall of the base is threadedly connected with a bolt.

[0027] Through the above technical solution: the hexagonal prism provides convenience for the operation of the threaded rod. By using a wrench or other tools, the hexagonal prism can be easily rotated, thereby driving the threaded rod to rotate, thereby realizing the clamping and loosening operations of the fabric clamp. The base can be fixed to a workbench or other supporting surface by bolts, ensuring the stability and reliability of the fabric clamp during use.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the present invention, when the fabric needs to be fixed, the fabric is passed between the upper clamping block and the lower clamping block, and the hexagonal prism is rotated. Since the threads at both ends of the threaded rod are in opposite directions, the upper clamping block and the lower clamping block move toward each other. Under the action of the twist teeth, the fabric is clamped. The crank is rotated to make the fabric wrap around the outer walls of the upper clamping block and the lower clamping block for several turns. At this time, the fabric is clamped, and it can also be used for some fabrics with strong elasticity without damaging the fabric itself and the fabric will not be separated from the tensile test equipment.

[0030] 2. In the present invention, after the fabric is clamped, the pressure rod is pulled upward, and the convex surface of the cam presses the fastening plate, so that the outer wall of the fastening plate fits into the outer wall of the rotating shaft, and the rotating shaft stops rotating, that is, the upper clamping block and the lower clamping block stop rotating, so that the fabric clamp is stable, which is convenient for subsequent experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a front perspective view of a clamping block on a convenient cloth clamp proposed by the utility model;

[0032] Figure 2 This is a partial structural diagram of a convenient cloth clamp rotating block proposed in the utility model;

[0033] Figure 3 This is a partial structural diagram of a convenient cloth clamp and twister proposed in the utility model;

[0034] Figure 4 This is the enlarged view of point A;

[0035] Figure 5 The figure is a partial structural diagram of a convenient cloth clamp fixing piece proposed by the utility model.

[0036] Legend:

[0037] 1. Upper clamping block; 2. Locking mechanism; 201. Fixing plate; 202. Hinge; 203. Fastening plate; 204. Spring; 205. Pressure rod; 206. Cam; 207. Fixing column; 3. Upper fixing block; 4. Threaded sleeve; 5. Threaded rod; 6. Rotating block; 7. Rotating shaft; 8. Bracket; 9. Base; 10. Left-handed thread groove; 11. Right-handed thread groove; 12. Lower fixing block; 13. Lower clamping block; 14. Hexagonal prism; 15. Crank handle; 16. Rotating drum; 17. Reinforcement rib; 18. Bolt; 19. Coil thread; 20. Limit block. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0039] Please refer to the drawings Figure 1 - the drawings Figure 3 The utility model provides an embodiment: a portable cloth clamp, including upper clamp piece 1, both ends of upper clamp piece 1 are fixedly connected with upper fixed block 3, the middle part of upper fixed block 3 is all threadedly connected with threaded rod 5, the upper end of threaded rod 5 is all seted up with left screw thread groove 10, the lower end of threaded rod 5 is all seted up with right screw thread groove 11, the lower end of threaded rod 5 is all threadedly connected with lower fixed block 12, two lower fixed blocks 12 are fixedly connected with lower clamp piece 13 between adjacent, the middle part of threaded rod 5 is rotatably connected with rotating block 6, the outer wall of rotating block 6 is fixedly connected with rotating shaft 7, the outer wall of rotating shaft 7 is rotatably connected with support 8, two supports 8 are fixedly connected with base 9 between adjacent, the outer wall of left side support 8 is provided with locking mechanism 2, and locking mechanism 2 is used for locking cloth clamp;

[0040] Specifically, upper clamp piece 1 is an important component of cloth clamp, the surface is treated specially, can ensure that when clamping cloth, will not cause damage to cloth, also has certain antiskid performance, so as to better fix cloth, the connection of upper fixed block 3 and upper clamp piece 1 is close and firm, can bear greater pressure and will not loosen, the connection of subsequent parts of upper fixed block 3 provides stable support, threaded rod 5 is the key component of cloth clamp to realize clamping function, left screw thread groove 10 and right screw thread groove 11 cooperate with each other, so that when rotating threaded rod 5, the synchronous movement of upper clamp piece 1 and lower clamp piece 13 can be realized, so that the clamping force is adjusted more conveniently, satisfies the fixing demand of cloth of different thickness and material, rotating block 6 is the key component of connecting threaded rod 5 and rotating shaft 7, and its rotating performance directly influences the convenient use of cloth clamp, rotating shaft 7 provides the rotation center for the operation of cloth clamp, and the clamping angle and position of cloth clamp can be adjusted by rotating rotating shaft 7, and base 9 is the bottom support component of cloth clamp, and its stability and bearing capacity are crucial.

[0041] Please refer to the drawings Figure 4 - the drawings Figure 5The locking mechanism 2 includes a fixing plate 201, one end of which is fixedly connected to the outer wall of the bracket 8, a hinge 202 being fixedly connected to the bottom surface of the fixing plate 201, a fastening plate 203 being fixedly connected to the other end of the hinge 202, a spring 204 being fixedly connected to the top surface of the fastening plate 203, the other end of the spring 204 being fixedly connected to the bottom surface of the fixing plate 201, a fixing column 207 being fixedly connected to the inner wall of the fixing plate 201, a cam 206 being rotatably connected to the outer wall of the fixing column 207, and a pressure rod 205 being fixedly connected to the outer wall of the cam 206;

[0042] Specifically, the fixing piece 201 is an important component of the locking mechanism 2, and one end of the fixing piece 201 is tightly fixed to the outer wall of the bracket 8. The fixing piece 201 is usually made of a strong and durable metal material, has high strength and stability, and can withstand large external forces without being easily deformed or damaged. The fastening piece 203 is one of the key components of the locking mechanism 2, and the fabric clamp is locked by cooperating with other components. The fastening piece 203 has a high friction coefficient and can stop the rotating shaft 7 from rotating. The spring 204 has good elasticity and durability, one end of which is fixedly connected to the top surface of the fastening piece 203, and the other end is fixedly connected to the bottom surface of the fixing piece 201. In the locked state, the spring 204 is in a stretched state. During the unlocking process, the elastic force of the spring 204 can help fasten The plate 203 is quickly reset and easy to operate. The fixed column 207 provides a stable support point for the rotation of the cam 206, ensuring that the cam 206 will not shake or deviate during the rotation process. When the cam 206 rotates to a specific position, its protruding part can press the fastening plate 203 downward, so that the fastening plate 203 fits tightly against the outer wall of the rotating shaft 7, thereby achieving locking. When the cam 206 rotates to another position, its protruding part separates from the fastening plate 203, and the elastic force of the spring 204 bounces the fastening plate 203 upward to achieve unlocking. One end of the pressure rod 205 is fixedly connected to the outer wall of the cam 206, and the other end extends out of the locking mechanism 2. By pressing the pressure rod 205, the cam 206 can be rotated on the fixed column 207, thereby achieving the functions of locking and unlocking.

[0043] Please see the attached Figure 1 - Attachment Figure 2 The bottom surface of the upper clamping block 1 and the top surface of the lower clamping block 13 are fixedly connected with a twisting tooth 19, and the twisting teeth 19 are arranged crosswise. One end of the right rotating shaft 7 is fixedly connected to the crank 15, and the outer wall of the crank 15 is rotatably connected to the rotating drum 16. The top surface of the base 9 is fixedly connected with a reinforcing rib 17, and the other end of the reinforcing rib 17 is fixedly connected to the outer wall of the bracket 8;

[0044] Specifically, the bottom surface of the upper clamp block 1 and the top surface of the lower clamp block 13 are fixedly connected with the twist teeth 19, the twist teeth 19 are designed uniquely, can increase the friction with the cloth, ensure that the cloth is clamped more firmly and reliably, the cross arrangement of the twist teeth 19 can better hold the cloth, prevent the cloth from sliding or shifting during clamping, can also disperse the clamping force, avoid local excessive pressure to damage the cloth, the handle 15 at one end of the rotating shaft 7 provides a more convenient operation mode, the setting of the rotating drum 16 brings more comfort and convenience to the operation of the handle 15, the rotating drum 16 is usually made of soft rubber or plastic material, can freely rotate on the outer wall of the handle 15, when the user rotates the handle 15, the rotating drum 16 can reduce the friction between the hand and the handle 15, improve the smoothness of the operation, in order to further enhance the structural strength of the base 9, the reinforcing ribs 17 are fixedly connected on the top surface of the base 9, the reinforcing ribs 17 can also increase the stability of the support 8, prevent the support 8 from shaking or tilting when clamping the cloth.

[0045] Please refer to the attached drawings Figure 3 The inner wall of the upper fixed block 3 is fixedly connected with the threaded sleeve 4, the inner wall of the threaded sleeve 4 is threadedly connected with the threaded rod 5, the two ends of the rotating block 6 are provided with the limiting blocks 20, the inner wall of the limiting block 20 is fixedly connected with the outer wall of the threaded rod 5, the two ends of the threaded rod 5 are fixedly connected with the hexagonal prism 14, and the outer wall of the base 9 is threadedly connected with the bolt 18;

[0046] Specifically, the inner wall of the threaded sleeve 4 is provided with threads matched with the threaded rod 5, this threaded connection mode enables the threaded rod 5 to rotate smoothly in the threaded sleeve 4, thereby realizing the opening and closing actions of the upper clamp block 1 and the lower clamp block 13, the threaded design has high precision, can ensure the stable rotation of the threaded rod 5, and the situation of jamming or shaking will not occur, the shape and size of the limiting block 20 are carefully designed, can effectively limit the axial movement of the rotating block 6, prevent the rotating block 6 from being separated from the threaded rod 5 during use, the hexagonal prism 14 provides convenience for the operation of the threaded rod 5, by using a wrench or other tools, the hexagonal prism 14 can be easily rotated, thereby driving the threaded rod 5 to rotate, realizing the clamping and loosening operations of the cloth clamp, and the base 9 can be fixed on the workbench or other supporting surface through the bolt 18, ensuring the stability and reliability of the cloth clamp during use.

[0047] Working principle: when the cloth needs to be fixed, the cloth is passed between the upper clamp block 1 and the lower clamp block 13, the hexagonal prism 14 is rotated, the upper fixed block 3 and the lower fixed block 12 move towards each other due to the reverse threads at both ends of the threaded rod 5, the cloth is clamped under the action of the twist teeth 19, the handle 15 is rotated, and the cloth is wound around the outer walls of the upper clamp block 1 and the lower clamp block 13 for several turns, at this time the cloth is clamped, and it can also be applicable to some cloth with strong elasticity, without damaging the cloth itself, and the cloth will not be separated from the tensile testing equipment;

[0048] When the cloth is clamped, the pressing rod 205 is pulled upward, the convex surface of the cam 206 presses the fastening sheet 203, the outer wall of the fastening sheet 203 is attached to the outer wall of the rotating shaft 7, the rotating shaft 7 stops rotating, namely the upper clamping block 1 and the lower clamping block 13 stop rotating, the cloth clamping is stable, and subsequent experiments are facilitated.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A portable cloth clamp, comprising an upper clamping block (1), characterized in that: Both ends of the upper clamping block (1) are fixedly connected to the upper fixing block (3), the middle part of the upper fixing block (3) is threadedly connected to the threaded rod (5), the upper end of the threaded rod (5) is provided with a left-handed thread groove (10), the lower end of the threaded rod (5) is provided with a right-handed thread groove (11), the lower end of the threaded rod (5) is threadedly connected to the lower fixing block (12), the lower clamping block (13) is fixedly connected between the two adjacent lower fixing blocks (12), the middle part of the threaded rod (5) is rotatably connected to the rotating block (6), the outer wall of the rotating block (6) is fixedly connected to the rotating shaft (7), the outer wall of the rotating shaft (7) is rotatably connected to the bracket (8), the two adjacent brackets (8) are fixedly connected to the base (9), the outer wall of the left bracket (8) is provided with a locking mechanism (2), and the locking mechanism (2) is used to lock the fabric clamp.

2. The portable cloth clamp according to claim 1, characterized in that: The locking mechanism (2) comprises a fixing plate (201), one end of the fixing plate (201) is fixedly connected to the outer wall of the bracket (8), the bottom surface of the fixing plate (201) is fixedly connected to a hinge (202), the other end of the hinge (202) is fixedly connected to a fastening plate (203), the top surface of the fastening plate (203) is fixedly connected to a spring (204), the other end of the spring (204) is fixedly connected to the bottom surface of the fixing plate (201), the inner wall of the fixing plate (201) is fixedly connected to a fixing column (207), the outer wall of the fixing column (207) is rotatably connected to a cam (206), and the outer wall of the cam (206) is fixedly connected to a pressure rod (205).

3. The portable cloth clamp according to claim 1, characterized in that: The bottom surface of the upper clamping block (1) and the top surface of the lower clamping block (13) are both fixedly connected with twist teeth (19), and the twist teeth (19) are arranged crosswise.

4. The portable cloth clamp according to claim 1, characterized in that: One end of the right-side rotating shaft (7) is fixedly connected to a crank (15), and the outer wall of the crank (15) is rotatably connected to a rotating drum (16).

5. The portable cloth clamp according to claim 1, characterized in that: A reinforcing rib (17) is fixedly connected to the top surface of the base (9), and the other end of the reinforcing rib (17) is fixedly connected to the outer wall of the bracket (8).

6. The portable cloth clamp according to claim 1, characterized in that: A threaded sleeve (4) is fixedly connected to the inner wall of the upper fixed block (3), and the inner wall of the threaded sleeve (4) is threadedly connected to the threaded rod (5).

7. The portable cloth clamp according to claim 1, characterized in that: Limit blocks (20) are provided at both ends of the rotating block (6), and the inner wall of the limit block (20) is fixedly connected to the outer wall of the threaded rod (5).

8. The portable cloth clamp according to claim 1, characterized in that: Both ends of the threaded rod (5) are fixedly connected to a hexagonal prism (14), and the outer wall of the base (9) is threadedly connected to a bolt (18).

Images