Disclosure of Invention
In order to overcome the defects that people use both hands to fix and stretch one end of cloth respectively, people stretch the cloth for a long time, arms are easy to ache, and the testing efficiency is reduced, the technical problems of the invention are that: the cloth elasticity testing device can prevent arm ache and improve testing efficiency.
The technical scheme is as follows: a cloth elasticity testing device comprises a base, a machine frame, first slide blocks, bearings, shaft levers, clamping mechanisms, pull rods, pull plates, first steel wire ropes, transverse plates, pulleys, hanging rings and an electronic chest expander, wherein the machine frame is arranged on the left side and the right side of the top of the base, first slide grooves are formed in the upper portions of the inner side surfaces of the machine frames on the left side and the right side, the first slide blocks are connected with the first slide blocks in a sliding mode, the clamping mechanisms capable of fixing cloth are arranged between the left first slide blocks and the right first slide blocks, the bearings are embedded in the lower portions of the machine frames on the left side and the right side, the shaft levers are arranged in the bearings, the clamping mechanisms capable of fixing cloth are also arranged between the inner ends of the left shaft levers and the inner ends of the right shaft levers, the pull rods are fixed on the upper clamping mechanisms, the pull plates capable of enabling the upper clamping mechanisms to move are fixed in the middle, a first steel wire rope is fixed on the pulling plate and sequentially wound around the two pulleys, a hanging ring is fixed on the first steel wire rope, and an electronic chest developer capable of displaying pulling force is hung on the hanging ring.
Further, the clamping mechanism comprises four first supports, a lower clamp plate, an upper clamp plate, nuts and screw rods, wherein the four first supports are arranged, the outer side surfaces of the two first supports are fixedly connected with the inner ends of the left and right shaft rods at the left and right sides of the lower side, the outer side surfaces of the two first supports are fixedly connected with the inner side surfaces of the left and right first sliding blocks at the left and right sides of the upper side, the lower clamp plate is arranged between the lower parts of the left and right first supports, the inner side surfaces of the left and right first supports are provided with linear grooves, the lower clamp plate is positioned at the lower sides of the linear grooves, the upper clamp plate is slidably arranged in the left and right linear grooves, the nuts are fixed at the upper parts of the inner side surfaces of the.
Further, the device comprises a mounting plate, a big gear, a rotating handle, a ratchet wheel, a pinion, a winding wheel, a pawl, a tension spring and a second steel wire rope, wherein the mounting plate is fixed at the top of the base and is positioned at the right side of the right side frame, the right part of the front side surface of the mounting plate is rotatably connected with the big gear, the rotating handle capable of rotating the big gear is fixed at the eccentric position of the front side surface of the big gear, the ratchet wheel is rotatably connected with the left part of the front side surface of the mounting plate, the pinion capable of rotating the ratchet wheel is arranged at the front side of the ratchet wheel, the pinion is meshed with the big gear, the winding, the ratchet wheel fixing pawl is hinged to the upper side of the left portion of the front side face of the mounting plate, a tension spring is connected between the front side face of the pawl and the front side face of the mounting plate, a second steel wire rope is wound on the winding wheel, and the top end of the second steel wire rope is connected with the electronic chest expander.
Further explain, still including runner, carousel, orifice plate and pin rod, the runner is installed in the left part of left side axostylus axostyle, and it has a plurality of fixed recesses to the left side axostylus axostyle to open on the circumference wall of runner, and the carousel sets up in the left end of left side axostylus axostyle, and the orifice plate sets up in the lower part of left side frame left surface, and the orifice plate internal sliding formula is equipped with the pin rod, and the lower part of pin.
Further explaining, still including scale, second slider, fastener and pointer, can set up the left part at right side frame leading flank to the scale that the cloth was measured, the second spout is opened at the right part at right side frame leading flank, second slider is connected with to second spout internal sliding formula, the leading flank of second slider is fixed with the fastener, is equipped with the pointer on the fastener.
When the elasticity test of the cloth is needed, a user clamps one end of the cloth into the clamping mechanism at the lower side and fixes the end, meanwhile, the other end of the cloth is clamped into the clamping mechanism at the upper side and fixed by a user, the length of the cloth is measured by the user by using a meter ruler, then the user pulls the electronic chest developer downwards, the electronic chest developer moves downwards to enable the pull plate to move upwards through the first steel wire rope, the pull plate moves upwards to drive the pull rod to move upwards, the clamping mechanism at the upper side can move upwards by the upward movement of the pull rod, the cloth is stretched along with the pull rod, when the tension displayed by the electronic chest developer reaches a designated value and the cloth is stretched upwards to a proper position and is not broken, the user holds the meter ruler to measure the cloth, then the user judges the elasticity of the cloth, therefore, the cloth is not required to be stretched by a user, so that arm ache can be prevented, and the cloth elasticity testing efficiency can be improved.
When the cloth needs to be fixed, a user rotates the screw rod to move upwards to remove the fixation of the upper clamping plate, then the user inserts one end of the cloth between the lower side lower clamping plate and the lower side upper clamping plate, then the user inserts the other end of the cloth between the upper side lower clamping plate and the upper side upper clamping plate, the user rotates the screw rod to move downwards to enable the upper clamping plate to be close to the lower clamping plate, so that the cloth can be fixed, the user can conveniently perform elasticity test on the cloth, after the elasticity test of the cloth is completed, the user rotates the screw rod to move upwards, and then the user takes the cloth off the cloth fixing device.
After a user fixes the cloth, the user holds the rotating handle to enable the large gear to rotate clockwise, the large gear rotates clockwise to drive the small gear to rotate anticlockwise, the small gear rotates anticlockwise to enable the winding wheel to rotate anticlockwise to withdraw the second steel wire rope, the winding wheel can be prevented from rotating clockwise through the pawl and the tension spring, the electronic chest expander can move downwards, the cloth can be conveniently tested by the user, after the test is completed, the user swings the pawl upwards to release the fixation of the ratchet wheel, the tension spring pulls the rope along with the pawl, then the user rotates the rotating handle anticlockwise to enable the winding wheel to release the second steel wire rope, and then the user takes the cloth off from the cloth feeding device.
When needs carry out the elasticity test to the cloth, the user removes in the pin pole inserts the recess downwards, so can fix left axostylus axostyle to can prevent when carrying out the elasticity test to the cloth, the axostylus axostyle rotates and brings the hindrance for cloth elasticity test.
After accomplishing the cloth is tensile, the user drives the pointer rebound through upwards moving the fastener, so can measure the tensile length of cloth through the scale to can audio-visually watch cloth elasticity, thereby can be convenient for carry out the elasticity test to the cloth.
Compared with the prior art, the invention has the following advantages: according to the invention, the cloth can be fixed through the clamping mechanism, so that the cloth does not need to be stretched by a user, the arm pain can be prevented, and the cloth elasticity testing efficiency can be improved; the winding wheel rotates anticlockwise to withdraw the second steel wire rope, so that the electronic chest expander can move downwards, and a user can conveniently test the cloth; insert the pin pole and can be fixed to left axostylus axostyle in the recess, so can prevent when carrying out elasticity test to the cloth, the axostylus axostyle rotates and brings the hindrance for cloth elasticity test.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
A cloth elasticity testing device is shown in figures 1-5 and comprises a base 1, a frame 2, first sliding blocks 202, bearings 3, shaft levers 4, clamping mechanisms 5, pull rods 6, pull plates 7, first steel wire ropes 8, transverse plates 9, pulleys 10, hanging rings 11 and an electronic chest developer 12, wherein the frame 2 is arranged on the left side and the right side of the top of the base 1, first sliding grooves 201 are formed in the upper portions of the inner side surfaces of the frame 2 on the left side and the right side, the first sliding grooves 201 are connected with the first sliding blocks 202 in a sliding mode, the clamping mechanisms 5 capable of fixing cloth are arranged between the left first sliding blocks 202 and the right sliding blocks, the bearings 3 are embedded in the lower portions of the frame 2 on the left side and the right side, the shaft levers 4 are arranged in the bearings 3, the clamping mechanisms 5 capable of fixing cloth are also arranged between the inner ends of the left shaft levers 4 and the right shaft levers 4, the pull rods 6 are fixed on the upper clamping mechanisms 5, the pull plates, be provided with diaphragm 9 between two frame 2 tops about, the middle part and the right side of diaphragm 9 front side all are provided with the pulley 10 that plays the guide effect, are fixed with first wire rope 8 on the arm-tie 7, and two pulleys 10 are walked around in proper order to first wire rope 8, are fixed with link 11 on the first wire rope 8, hang the electron chest expander 12 that can show to the pulling force on the link 11.
Example 2
A cloth elasticity testing device is shown in figures 1-5 and comprises a base 1, a frame 2, first sliding blocks 202, bearings 3, shaft levers 4, clamping mechanisms 5, pull rods 6, pull plates 7, first steel wire ropes 8, transverse plates 9, pulleys 10, hanging rings 11 and an electronic chest developer 12, wherein the frame 2 is arranged on the left side and the right side of the top of the base 1, first sliding grooves 201 are formed in the upper portions of the inner side surfaces of the frame 2 on the left side and the right side, the first sliding grooves 201 are connected with the first sliding blocks 202 in a sliding mode, the clamping mechanisms 5 capable of fixing cloth are arranged between the left first sliding blocks 202 and the right sliding blocks, the bearings 3 are embedded in the lower portions of the frame 2 on the left side and the right side, the shaft levers 4 are arranged in the bearings 3, the clamping mechanisms 5 capable of fixing cloth are also arranged between the inner ends of the left shaft levers 4 and the right shaft levers 4, the pull rods 6 are fixed on the upper clamping mechanisms 5, the pull plates, be provided with diaphragm 9 between two frame 2 tops about, the middle part and the right side of diaphragm 9 front side all are provided with the pulley 10 that plays the guide effect, are fixed with first wire rope 8 on the arm-tie 7, and two pulleys 10 are walked around in proper order to first wire rope 8, are fixed with link 11 on the first wire rope 8, hang the electron chest expander 12 that can show to the pulling force on the link 11.
The clamping mechanism 5 comprises four first supports 51, a lower clamp plate 52, an upper clamp plate 54, nuts 55 and screws 56, the number of the first supports 51 is four, the outer side surfaces of the left first support 51 and the right first support 51 on the lower side are fixedly connected with the inner ends of the left shaft rod 4 and the right shaft rod 4, the outer side surfaces of the left first support 51 and the right first support 51 on the upper side are fixedly connected with the inner side surfaces of the left first slide block 202 and the inner side surfaces of the right first support 51 on the upper side, the lower clamp plate 52 is arranged between the lower parts of the left first support 51 and the right first support 51, the inner side surfaces of the left first support 51 and the right first support 51 are provided with straight grooves 53, the upper clamp plate 54 is arranged in the left straight grooves 53 in a sliding mode, the nuts 55 are fixed on the upper parts of.
Example 3
A cloth elasticity testing device is shown in figures 1-5 and comprises a base 1, a frame 2, first sliding blocks 202, bearings 3, shaft levers 4, clamping mechanisms 5, pull rods 6, pull plates 7, first steel wire ropes 8, transverse plates 9, pulleys 10, hanging rings 11 and an electronic chest developer 12, wherein the frame 2 is arranged on the left side and the right side of the top of the base 1, first sliding grooves 201 are formed in the upper portions of the inner side surfaces of the frame 2 on the left side and the right side, the first sliding grooves 201 are connected with the first sliding blocks 202 in a sliding mode, the clamping mechanisms 5 capable of fixing cloth are arranged between the left first sliding blocks 202 and the right sliding blocks, the bearings 3 are embedded in the lower portions of the frame 2 on the left side and the right side, the shaft levers 4 are arranged in the bearings 3, the clamping mechanisms 5 capable of fixing cloth are also arranged between the inner ends of the left shaft levers 4 and the right shaft levers 4, the pull rods 6 are fixed on the upper clamping mechanisms 5, the pull plates, be provided with diaphragm 9 between two frame 2 tops about, the middle part and the right side of diaphragm 9 front side all are provided with the pulley 10 that plays the guide effect, are fixed with first wire rope 8 on the arm-tie 7, and two pulleys 10 are walked around in proper order to first wire rope 8, are fixed with link 11 on the first wire rope 8, hang the electron chest expander 12 that can show to the pulling force on the link 11.
The clamping mechanism 5 comprises four first supports 51, a lower clamp plate 52, an upper clamp plate 54, nuts 55 and screws 56, the number of the first supports 51 is four, the outer side surfaces of the left first support 51 and the right first support 51 on the lower side are fixedly connected with the inner ends of the left shaft rod 4 and the right shaft rod 4, the outer side surfaces of the left first support 51 and the right first support 51 on the upper side are fixedly connected with the inner side surfaces of the left first slide block 202 and the inner side surfaces of the right first support 51 on the upper side, the lower clamp plate 52 is arranged between the lower parts of the left first support 51 and the right first support 51, the inner side surfaces of the left first support 51 and the right first support 51 are provided with straight grooves 53, the upper clamp plate 54 is arranged in the left straight grooves 53 in a sliding mode, the nuts 55 are fixed on the upper parts of.
The wire winding machine further comprises a mounting plate 13, a large gear 14, a rotating handle 15, a ratchet wheel 16, a small gear 17, a wire winding wheel 18, a pawl 19, a tension spring 20 and a second steel wire rope 21, wherein the mounting plate 13 is fixed at the top of the base 1, the mounting plate 13 is positioned on the right side of the right side frame 2, the right part of the front side surface of the mounting plate 13 is rotatably connected with the large gear 14, the rotating handle 15 capable of rotating the large gear 14 is fixed at the eccentric position of the front side surface of the large gear 14, the ratchet wheel 16 is rotatably connected with the left part of the front side surface of the mounting plate 13, the small gear 17 capable of rotating the ratchet wheel 16 is arranged on the front side of the ratchet wheel 16, the small gear 17 is meshed with the large gear 14, the wire winding wheel 18 capable of winding and unwinding the second steel wire rope 21 is installed on the front side of the small gear 17, the second wire rope 21 is wound on the winding wheel 18, and the top end of the second wire rope 21 is connected with the electronic chest expander 12.
Example 4
A cloth elasticity testing device is shown in figures 1-5 and comprises a base 1, a frame 2, first sliding blocks 202, bearings 3, shaft levers 4, clamping mechanisms 5, pull rods 6, pull plates 7, first steel wire ropes 8, transverse plates 9, pulleys 10, hanging rings 11 and an electronic chest developer 12, wherein the frame 2 is arranged on the left side and the right side of the top of the base 1, first sliding grooves 201 are formed in the upper portions of the inner side surfaces of the frame 2 on the left side and the right side, the first sliding grooves 201 are connected with the first sliding blocks 202 in a sliding mode, the clamping mechanisms 5 capable of fixing cloth are arranged between the left first sliding blocks 202 and the right sliding blocks, the bearings 3 are embedded in the lower portions of the frame 2 on the left side and the right side, the shaft levers 4 are arranged in the bearings 3, the clamping mechanisms 5 capable of fixing cloth are also arranged between the inner ends of the left shaft levers 4 and the right shaft levers 4, the pull rods 6 are fixed on the upper clamping mechanisms 5, the pull plates, be provided with diaphragm 9 between two frame 2 tops about, the middle part and the right side of diaphragm 9 front side all are provided with the pulley 10 that plays the guide effect, are fixed with first wire rope 8 on the arm-tie 7, and two pulleys 10 are walked around in proper order to first wire rope 8, are fixed with link 11 on the first wire rope 8, hang the electron chest expander 12 that can show to the pulling force on the link 11.
The clamping mechanism 5 comprises four first supports 51, a lower clamp plate 52, an upper clamp plate 54, nuts 55 and screws 56, the number of the first supports 51 is four, the outer side surfaces of the left first support 51 and the right first support 51 on the lower side are fixedly connected with the inner ends of the left shaft rod 4 and the right shaft rod 4, the outer side surfaces of the left first support 51 and the right first support 51 on the upper side are fixedly connected with the inner side surfaces of the left first slide block 202 and the inner side surfaces of the right first support 51 on the upper side, the lower clamp plate 52 is arranged between the lower parts of the left first support 51 and the right first support 51, the inner side surfaces of the left first support 51 and the right first support 51 are provided with straight grooves 53, the upper clamp plate 54 is arranged in the left straight grooves 53 in a sliding mode, the nuts 55 are fixed on the upper parts of.
The wire winding machine further comprises a mounting plate 13, a large gear 14, a rotating handle 15, a ratchet wheel 16, a small gear 17, a wire winding wheel 18, a pawl 19, a tension spring 20 and a second steel wire rope 21, wherein the mounting plate 13 is fixed at the top of the base 1, the mounting plate 13 is positioned on the right side of the right side frame 2, the right part of the front side surface of the mounting plate 13 is rotatably connected with the large gear 14, the rotating handle 15 capable of rotating the large gear 14 is fixed at the eccentric position of the front side surface of the large gear 14, the ratchet wheel 16 is rotatably connected with the left part of the front side surface of the mounting plate 13, the small gear 17 capable of rotating the ratchet wheel 16 is arranged on the front side of the ratchet wheel 16, the small gear 17 is meshed with the large gear 14, the wire winding wheel 18 capable of winding and unwinding the second steel wire rope 21 is installed on the front side of the small gear 17, the second wire rope 21 is wound on the winding wheel 18, and the top end of the second wire rope 21 is connected with the electronic chest expander 12.
Still including runner 22, carousel 24, orifice plate 25 and pin pole 26, runner 22 installs the left part at left side axostylus axostyle 4, and it has a plurality of recesses 23 that can fix left side axostylus axostyle 4 to open on the circumferential wall of runner 22, and carousel 24 sets up in the left end of left side axostylus axostyle 4, and orifice plate 25 sets up in the lower part of left side frame 2 left surface, and orifice plate 25 internal sliding formula is equipped with pin pole 26, and the lower part of pin pole 26 is located recess 23.
Example 5
A cloth elasticity testing device is shown in figures 1-5 and comprises a base 1, a frame 2, first sliding blocks 202, bearings 3, shaft levers 4, clamping mechanisms 5, pull rods 6, pull plates 7, first steel wire ropes 8, transverse plates 9, pulleys 10, hanging rings 11 and an electronic chest developer 12, wherein the frame 2 is arranged on the left side and the right side of the top of the base 1, first sliding grooves 201 are formed in the upper portions of the inner side surfaces of the frame 2 on the left side and the right side, the first sliding grooves 201 are connected with the first sliding blocks 202 in a sliding mode, the clamping mechanisms 5 capable of fixing cloth are arranged between the left first sliding blocks 202 and the right sliding blocks, the bearings 3 are embedded in the lower portions of the frame 2 on the left side and the right side, the shaft levers 4 are arranged in the bearings 3, the clamping mechanisms 5 capable of fixing cloth are also arranged between the inner ends of the left shaft levers 4 and the right shaft levers 4, the pull rods 6 are fixed on the upper clamping mechanisms 5, the pull plates, be provided with diaphragm 9 between two frame 2 tops about, the middle part and the right side of diaphragm 9 front side all are provided with the pulley 10 that plays the guide effect, are fixed with first wire rope 8 on the arm-tie 7, and two pulleys 10 are walked around in proper order to first wire rope 8, are fixed with link 11 on the first wire rope 8, hang the electron chest expander 12 that can show to the pulling force on the link 11.
The clamping mechanism 5 comprises four first supports 51, a lower clamp plate 52, an upper clamp plate 54, nuts 55 and screws 56, the number of the first supports 51 is four, the outer side surfaces of the left first support 51 and the right first support 51 on the lower side are fixedly connected with the inner ends of the left shaft rod 4 and the right shaft rod 4, the outer side surfaces of the left first support 51 and the right first support 51 on the upper side are fixedly connected with the inner side surfaces of the left first slide block 202 and the inner side surfaces of the right first support 51 on the upper side, the lower clamp plate 52 is arranged between the lower parts of the left first support 51 and the right first support 51, the inner side surfaces of the left first support 51 and the right first support 51 are provided with straight grooves 53, the upper clamp plate 54 is arranged in the left straight grooves 53 in a sliding mode, the nuts 55 are fixed on the upper parts of.
The wire winding machine further comprises a mounting plate 13, a large gear 14, a rotating handle 15, a ratchet wheel 16, a small gear 17, a wire winding wheel 18, a pawl 19, a tension spring 20 and a second steel wire rope 21, wherein the mounting plate 13 is fixed at the top of the base 1, the mounting plate 13 is positioned on the right side of the right side frame 2, the right part of the front side surface of the mounting plate 13 is rotatably connected with the large gear 14, the rotating handle 15 capable of rotating the large gear 14 is fixed at the eccentric position of the front side surface of the large gear 14, the ratchet wheel 16 is rotatably connected with the left part of the front side surface of the mounting plate 13, the small gear 17 capable of rotating the ratchet wheel 16 is arranged on the front side of the ratchet wheel 16, the small gear 17 is meshed with the large gear 14, the wire winding wheel 18 capable of winding and unwinding the second steel wire rope 21 is installed on the front side of the small gear 17, the second wire rope 21 is wound on the winding wheel 18, and the top end of the second wire rope 21 is connected with the electronic chest expander 12.
Still including runner 22, carousel 24, orifice plate 25 and pin pole 26, runner 22 installs the left part at left side axostylus axostyle 4, and it has a plurality of recesses 23 that can fix left side axostylus axostyle 4 to open on the circumferential wall of runner 22, and carousel 24 sets up in the left end of left side axostylus axostyle 4, and orifice plate 25 sets up in the lower part of left side frame 2 left surface, and orifice plate 25 internal sliding formula is equipped with pin pole 26, and the lower part of pin pole 26 is located recess 23.
The cloth measuring device is characterized by further comprising a graduated scale 27, a second sliding block 29, a clamping piece 30 and a pointer 31, the graduated scale 27 capable of measuring cloth is arranged at the left portion of the front side face of the right side rack 2, a second sliding groove 28 is formed in the right portion of the front side face of the right side rack 2, the second sliding groove 28 is connected with the second sliding block 29 in a sliding mode, the clamping piece 30 is fixed to the front side face of the second sliding block 29, and the pointer 31 is arranged on the clamping piece 30.
When the elasticity test of the cloth is needed, a user clamps and fixes one end of the cloth into the clamping mechanism 5 on the lower side, the other end of the cloth into the clamping mechanism 5 on the upper side, the user measures the length of the cloth by using a meter ruler, then the user pulls the electronic chest developer 12 downwards, the electronic chest developer 12 moves downwards, the pull plate 7 can move upwards through the first steel wire rope 8, the pull plate 7 moves upwards to drive the pull rod 6 to move upwards, the pull rod 6 moves upwards to enable the clamping mechanism 5 on the upper side to move upwards, the cloth stretches along with the electronic chest developer, when the tensile force displayed by the electronic chest developer 12 reaches a finger, the cloth is pulled upwards to a proper position and is not broken, the user holds the meter ruler to measure the cloth, then the user judges the elasticity of the cloth, and therefore, the user does not need to pull the cloth by hand, and the arm ache can be prevented, and the cloth elasticity testing efficiency can be improved.
When the cloth needs to be fixed, a user rotates the screw 56 to move upwards to release the fixation of the upper clamping plate 54, then the user inserts one end of the cloth between the lower clamping plate 52 and the lower upper clamping plate 54, then the user inserts the other end of the cloth between the upper lower clamping plate 52 and the upper clamping plate 54, the user rotates the screw 56 to move downwards to enable the upper clamping plate 54 to be close to the lower clamping plate 52, so that the cloth can be fixed, the elasticity test of the cloth can be conveniently performed by the user, after the elasticity test of the cloth is completed, the user rotates the screw 56 to move upwards, and then the user takes the cloth off from the cloth fixing device.
After a user fixes the cloth, the user holds the rotating handle 15 to enable the large gear 14 to rotate clockwise, the large gear 14 rotates clockwise to drive the small gear 17 to rotate anticlockwise, the small gear 17 rotates anticlockwise to enable the winding wheel 18 to rotate anticlockwise to withdraw the second steel wire rope 21, the winding wheel 18 can be prevented from rotating clockwise through the pawl 19 and the tension spring 20, the electronic chest expander 12 can move downwards, the user can test the cloth conveniently, after the test is completed, the user swings the pawl 19 upwards to release the fixing of the ratchet wheel 16, the tension spring 20 pulls the rope along with the tension spring, then the user rotates the rotating handle 15 anticlockwise to enable the winding wheel 18 to release the second steel wire rope 21, and then the user takes the cloth off from the cloth feeding device.
When elasticity test is carried out to the cloth to needs, the user moves down pin 26 and inserts in the recess 23, so can fix left axostylus axostyle 4 to can prevent when carrying out elasticity test to the cloth, axostylus axostyle 4 rotates and brings the hindrance for cloth elasticity test.
After accomplishing the cloth is tensile, the user drives pointer 31 rebound through upwards moving fastener 30, so can measure the tensile length of cloth through scale 27 to can audio-visually watch cloth elasticity, thereby can be convenient for carry out the elasticity test to the cloth.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.