CN210243358U - EVA film tensile force tester - Google Patents
EVA film tensile force tester Download PDFInfo
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- CN210243358U CN210243358U CN201920540788.3U CN201920540788U CN210243358U CN 210243358 U CN210243358 U CN 210243358U CN 201920540788 U CN201920540788 U CN 201920540788U CN 210243358 U CN210243358 U CN 210243358U
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- fixedly connected
- eva film
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- plate
- rope
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Abstract
The utility model discloses an EVA film tension tester, which comprises a base, wherein one side of the top of the base is fixedly connected with a vertical plate, one side of the vertical plate is provided with a fixed groove, one side of the inner wall of the fixed groove is fixedly connected with a fixed box, the bottom of the inner wall of the fixed box is fixedly connected with a first spring, the top end of the first spring is fixedly connected with a movable plate, the top of the movable plate is fixedly connected with a second spring, and the top end of the second spring is fixedly connected with a rope, the EVA film tension tester can ensure that the movable plate can be pulled by the rope through the matching arrangement of the movable plate, the second spring, a transverse plate, a supporting plate, a rotating rod, a roller and the rope, only the second spring is used for testing the tension, the stiffness coefficient of the spring is increased, the EVA film tension tester can bear larger tension, the condition that the spring fails under large tension is avoided, and the service life of, the normal use of the EVA film tension tester is ensured.
Description
Technical Field
The utility model relates to a EVA film test equipment technical field specifically is a EVA film tensile tester.
Background
EVA is a plastic material composed of ethylene (E) and Vinyl Acetate (VA). The proportion of the two chemical substances can be adjusted to meet different application requirements, and the higher the content of the vinyl acetate, the higher the transparency, the higher the softness and the higher the toughness of the vinyl acetate.
The EVA film tension tester basically detects tension through the spring, the tension that present EVA film tension tester can survey all has certain restriction basically, and the tension is too big can cause the spring to become invalid, leads to EVA film tension tester to damage, can not normal use.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a EVA film tension tester has solved the too big problem that can cause the spring inefficacy of pulling force.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an EVA film tension tester comprises a base, wherein one side of the top of the base is fixedly connected with a vertical plate, one side of the vertical plate is provided with a fixed groove, one side of the inner wall of the fixed groove is fixedly connected with a fixed box, the bottom of the inner wall of the fixed box is fixedly connected with a first spring, the top end of the first spring is fixedly connected with a movable plate, the top of the movable plate is fixedly connected with a second spring, the top end of the second spring is fixedly connected with a rope, one end of the rope, far away from the second spring, penetrates through the fixed box and extends to the outside of the fixed box, the bottom of the fixed box is fixedly connected with a transverse plate, two sides of the bottom of the transverse plate are both fixedly connected with supporting plates, a rotating rod is rotatably connected between two sides of the inner wall of the supporting plates through a bearing, a, one end of the pull rope sequentially penetrates through the transverse plate and the fixed box from bottom to top and extends to the inside of the fixed box, and one end of the pull rope extending to the inside of the fixed box is fixedly connected with the two sides of the bottom of the movable plate respectively.
Preferably, one end of the rotating rod penetrates through the supporting plate and extends to one side of the supporting plate, and one end of the rotating rod extending to one side of the supporting plate is fixedly connected with a circular plate.
Preferably, one side of the inner wall of the fixing groove is fixedly connected with a first U-shaped plate at the top of the fixing box, and the inside of the first U-shaped plate is rotatably connected with a first pulley through a bearing.
Preferably, one side fixedly connected with arc at riser top to the top fixedly connected with second U template of arc, the inside of second U template is connected with the second pulley through the bearing rotation.
Preferably, a sleeve is fixedly connected to the other side of the top of the base, a threaded rod is connected to one side of the sleeve in a threaded manner, a pointer is fixedly connected to the top end of the second spring, and the pointer penetrates through the fixing groove and extends to the outside of the fixing groove.
Preferably, an EVA film is placed in the sleeve, and the surface of the EVA film, which is positioned in the sleeve, is in contact with one end of the threaded rod.
Preferably, one end of the rope extending to the outside of the fixing box is fixedly connected with the top end of the EVA film, and the surfaces of the rope are respectively contacted with the surface of the first pulley and the surface of the second pulley.
The utility model provides a EVA film tensile test appearance possesses following beneficial effect:
(1) this EVA film tension tester, one side fixedly connected with riser through the base top, and the fixed slot has been seted up to one side of riser, the fixed box of one side fixedly connected with of fixed slot inner wall, the rethread movable plate, the second spring, the diaphragm, the backup pad, the dwang, the cooperation setting of cylinder and stay cord, make the stay cord can hold the movable plate, only let the second spring test the pulling force, the stiffness coefficient of spring has been increased, make it can bear bigger pulling force, the condition of spring failure under the big pulling force has been avoided, the life of EVA film tension tester has been prolonged, the normal use of EVA film tension tester has been guaranteed.
(2) This EVA film tension tester is connected with the cylinder through the fixed surface of dwang to the equal winding in both sides on cylinder surface has the stay cord, and the cooperation setting of rethread first pulley, arc, second U template, second pulley, sleeve and threaded rod makes the pulling force direction of rope obtain changing, and it is more convenient to tensile test, has made things convenient for operating personnel's use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the fixing box structure of the present invention.
In the figure: 1-base, 2-vertical plate, 3-fixed groove, 4-fixed box, 5-first spring, 6-moving plate, 7-second spring, 8-rope, 9-horizontal plate, 10-supporting plate, 11-rotating rod, 12-roller, 13-pull rope, 14-circular plate, 15-first U-shaped plate, 16-first pulley, 17-arc plate, 18-second U-shaped plate, 19-second pulley, 20-sleeve, 21-threaded rod, 22-EVA film and 23-pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an EVA film tension tester comprises a base 1, wherein one side of the top of the base 1 is fixedly connected with a vertical plate 2, one side of the vertical plate 2 is provided with a fixed groove 3, one side of the inner wall of the fixed groove 3 is fixedly connected with a fixed box 4, the bottom of the inner wall of the fixed box 4 is fixedly connected with a first spring 5, the top end of the first spring 5 is fixedly connected with a movable plate 6, the top of the movable plate 6 is fixedly connected with a second spring 7, the top end of the second spring 7 is fixedly connected with a rope 8, one end of the rope 8, far away from the second spring 7, penetrates through the fixed box 4 and extends to the outside of the fixed box 4, the bottom of the fixed box 4 is fixedly connected with a transverse plate 9, two sides of the bottom of the transverse plate 9 are fixedly connected with supporting plates 10, a rotating rod 11 is rotatably connected between two sides of the inner wall of the supporting plates 10 through a, one end of the pull rope 13 sequentially penetrates through the transverse plate 9 and the fixed box 4 from bottom to top and extends to the inside of the fixed box 4, one end of the pull rope 13 extending to the inside of the fixed box 4 is fixedly connected with two sides of the bottom of the moving plate 6 respectively, and a scale value is arranged on one side surface of the vertical plate 2.
In this embodiment, the one end of dwang 11 runs through backup pad 10 and extends to one side of backup pad 10, dwang 11 extends to the one end fixedly connected with plectane 14 of backup pad 10 one side, one side of 3 inner walls of fixed slot and the first U template 15 of top fixedly connected with that is located fixed box 4, and the inside of first U template 15 is rotated through the bearing and is connected with first pulley 16, one side fixedly connected with arc 17 at 2 tops of riser, and the top fixedly connected with second U template 18 of arc 17, the inside of second U template 18 is rotated through the bearing and is connected with second pulley 19.
In this embodiment, the opposite side fixedly connected with sleeve 20 at base 1 top, and one side threaded connection of sleeve 20 has threaded rod 21, the top fixedly connected with pointer 23 of second spring 7, and pointer 23 runs through fixed slot 3 and extends to the outside of fixed slot 3, EVA film 22 has been placed to the inside of sleeve 20, the surface of EVA film 22 just is located the inside of sleeve 20 and contacts with the one end of threaded rod 21, rope 8 extends to the outside one end of fixed box 4 and the top fixed connection of EVA film 22, the surface of rope contacts with the surface of first pulley 16 and the surface of second pulley 19 respectively.
During operation, when the pulling force that can bear of EVA film 22 will be tested, at first place EVA film 22 in the inside of sleeve 20, fix stay cord 13 on EVA film 22's top again, screw up the threaded rod 21 of sleeve 20 one side, fix EVA film 22, if the pulling force is too big probably to lead to the spring inefficacy, rotate plectane 14, make plectane 14 drive dwang 11 rotatory, the pulling movable plate 6 makes first spring 5 be in compression state retest, read out the pulling force value at last can.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a EVA film tensile test appearance, includes base (1), its characterized in that: the base is characterized in that a vertical plate (2) is fixedly connected to one side of the top of the base (1), a fixing groove (3) is formed in one side of the vertical plate (2), a fixing box (4) is fixedly connected to one side of the inner wall of the fixing box (3), a first spring (5) is fixedly connected to the bottom of the inner wall of the fixing box (4), a moving plate (6) is fixedly connected to the top of the first spring (5), a second spring (7) is fixedly connected to the top of the moving plate (6), a rope (8) is fixedly connected to the top of the second spring (7), one end, far away from the second spring (7), of the rope (8) penetrates through the fixing box (4) and extends to the outside of the fixing box (4), a transverse plate (9) is fixedly connected to the bottom of the fixing box (4), supporting plates (10) are fixedly connected to two sides of the bottom of the transverse plate (9), and a rotating rod (11, the fixed surface of dwang (11) is connected with cylinder (12) to the both sides on cylinder (12) surface are all twined and are had stay cord (13), the one end of stay cord (13) is from supreme down run through diaphragm (9) and fixed box (4) in proper order and extend to the inside of fixed box (4), stay cord (13) extend to the inside one end of fixed box (4) respectively with the both sides fixed connection of movable plate (6) bottom.
2. The EVA film tensile tester of claim 1, wherein: one end of the rotating rod (11) penetrates through the supporting plate (10) and extends to one side of the supporting plate (10), and the rotating rod (11) extends to one end of the circular plate (14) fixedly connected with one side of the supporting plate (10).
3. The EVA film tensile tester of claim 1, wherein: one side of fixed slot (3) inner wall just is located the first U template (15) of top fixedly connected with of fixed case (4) to the inside of first U template (15) is passed through the bearing and is rotated and be connected with first pulley (16).
4. The EVA film tensile tester of claim 1, wherein: one side fixedly connected with arc (17) at riser (2) top to the top fixedly connected with second U template (18) of arc (17), the inside of second U template (18) is connected with second pulley (19) through the bearing rotation.
5. The EVA film tensile tester of claim 1, wherein: the other side fixedly connected with sleeve (20) at base (1) top to one side threaded connection of sleeve (20) has threaded rod (21), the top fixedly connected with pointer (23) of second spring (7), and pointer (23) run through fixed slot (3) and extend to the outside of fixed slot (3).
6. The EVA film tensile tester of claim 5, wherein: an EVA film (22) is placed in the sleeve (20), and the surface of the EVA film (22) is positioned in the sleeve (20) and is in contact with one end of the threaded rod (21).
7. The EVA film tensile tester of claim 1, wherein: one end of the rope (8) extending to the outside of the fixing box (4) is fixedly connected with the top end of the EVA film (22), and the surfaces of the rope are respectively contacted with the surface of the first pulley (16) and the surface of the second pulley (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540788.3U CN210243358U (en) | 2019-04-19 | 2019-04-19 | EVA film tensile force tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540788.3U CN210243358U (en) | 2019-04-19 | 2019-04-19 | EVA film tensile force tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243358U true CN210243358U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920540788.3U Active CN210243358U (en) | 2019-04-19 | 2019-04-19 | EVA film tensile force tester |
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| CN (1) | CN210243358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790962A (en) * | 2021-09-15 | 2021-12-14 | 山东佳润新材料有限公司 | Polymer film tractive test equipment |
-
2019
- 2019-04-19 CN CN201920540788.3U patent/CN210243358U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790962A (en) * | 2021-09-15 | 2021-12-14 | 山东佳润新材料有限公司 | Polymer film tractive test equipment |
| CN113790962B (en) * | 2021-09-15 | 2022-10-28 | 山东佳润新材料有限公司 | Polymeric membrane tractive test equipment |
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