CN214036624U - Adjustable extension spring - Google Patents
Adjustable extension spring Download PDFInfo
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- CN214036624U CN214036624U CN202022870024.6U CN202022870024U CN214036624U CN 214036624 U CN214036624 U CN 214036624U CN 202022870024 U CN202022870024 U CN 202022870024U CN 214036624 U CN214036624 U CN 214036624U
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- rod
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- adjusting sleeve
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Abstract
The utility model relates to an adjustable tension spring, which is provided with a pressure spring body; the pressure spring body is internally provided with drag hooks, each drag hook comprises a connecting rod, a pull rod and a barb, the pull rod comprises a first connecting rod fixed on the connecting rod and a second connecting rod fixed on the barb, an adjusting component is arranged between the first connecting rod and the second connecting rod, the adjusting component comprises a first thread part arranged on the first connecting rod, a second thread part arranged on the second connecting rod and an adjusting loop rod, two ends of the adjusting loop rod are respectively sleeved on the first thread part and the second thread part, a first internal thread capable of being matched with the first thread part is arranged in the adjusting loop rod, and the second internal thread can be matched with the second thread part, the first internal thread and the second internal thread are arranged oppositely, and the distance between the first connecting rod and the second connecting rod is adjusted by the adjusting sleeve rod through rotation, the threaded matching of the first thread part and the first internal thread, and the threaded matching of the second thread part and the second internal thread. The utility model discloses the structure is ingenious, and is high-efficient practical.
Description
Technical Field
The utility model relates to an adjustable extension spring.
Background
Along with people's quality of life's improvement, the outing, the tourism is indispensable, it all will use the stay cord to build tent etc. for effectively tighten the stay cord and have certain elasticity, the lift money of stay cord adopts multiple spring, like ordinary spring, rubber spring, hydraulic spring etc. but consider the price, rubber, hydraulic pressure is expensive, the replacement cost is too high, the extension spring stay cord is with low costs, but owing to receive the restriction of steel wire material and intensity, most extension springs all have the bearing limit, thereby make its application range and service environment comparatively limit, it is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a structure is ingenious, and convenient practical adjustable extension spring.
Realize the utility model discloses the technical scheme of purpose is: the utility model is provided with a pressure spring body; the compression spring body is internally provided with drag hooks which are symmetrical along the center of the axis of the compression spring body, each drag hook comprises a connecting rod which is positioned outside the compression spring body and has a U-shaped section, pull rods which are fixed at two ends of the connecting rod and penetrate through the compression spring body, and barbs which are fixed on each pull rod and are used for leaning on the compression spring body, each pull rod comprises a first connecting rod fixed on the connecting rod and a second connecting rod fixed on the barbs, an adjusting component used for adjusting the distance between the first connecting rod and the second connecting rod is arranged between the first connecting rod and the second connecting rod, the adjusting component comprises a first thread part arranged on the first connecting rod, a second thread part arranged on the second connecting rod and an adjusting sleeve rod, two ends of the adjusting sleeve rod are respectively sleeved on the first thread part and the second thread part, and a first internal thread which can be matched with the first thread part is arranged in the adjusting sleeve rod, and the second internal thread can be matched with the second thread part, the first internal thread and the second internal thread are arranged oppositely, and the distance between the first connecting rod and the second connecting rod is adjusted by the adjusting sleeve rod through rotation, the threaded matching of the first thread part and the first internal thread, and the threaded matching of the second thread part and the second internal thread.
The adjusting sleeve rod is internally and rotatably connected with a rotating rod, the rotating rod is positioned between a first connecting rod and a second connecting rod, one end of the rotating rod is positioned in the adjusting sleeve rod and is rotatably connected to the inner wall of the adjusting sleeve rod, a through hole for the rotating rod to pass through is arranged on the adjusting sleeve rod, the other end of the rotating rod passes through the through hole and is rotatably connected to the adjusting sleeve rod, the axis of the rotating rod is vertically intersected with the axis of the adjusting sleeve rod, an adjusting thread is arranged at one end of the rotating rod, which is positioned on the inner wall of the adjusting sleeve rod, a first pull rope and a second pull rope are fixedly arranged at the initial end of a thread groove on the adjusting thread, one end of the first pull rope, which is not fixed with the adjusting thread, extends along the spiral direction of the thread groove and is fixedly connected with the first connecting rod after extending out of the thread groove, one end of the second pull rope, which is not fixed with the adjusting thread, extends along the spiral direction of the thread groove and is fixedly connected with the second connecting rod after extending out of the thread groove, and one end of the rotating rod extending out of the adjusting sleeve rod is provided with a locking thread, and a locking nut is arranged on the locking thread, and the rotating rod is fixed on the adjusting sleeve rod through the matching of the locking thread and the locking nut.
The outer wall of the adjusting sleeve rod is provided with a circular sinking groove which is coaxial with the rotating rod, the circular sinking groove is internally provided with scales which are arranged along the axis of the rotating rod, an indicating block is further arranged between the locking thread and the adjusting sleeve rod, the indicating block is fixed on the outer part of the rotating rod, and the rotating rod rotates to indicate the distance between the first connecting rod and the second connecting rod for indicating.
The utility model discloses has positive effect: (1) the utility model discloses a set the pull rod to the connection of first connecting rod and second connecting rod, carry out length adjustment to first connecting rod and second connecting rod through the screw-thread fit of first internal thread on the regulation loop bar and the first screw portion on the first connecting rod, the second internal thread of regulation loop bar and the screw-thread fit of the second screw portion on the second connecting rod to can adapt to the pressure spring body of different yardstick sizes, have better suitability and regulation nature, convenient high efficiency.
(2) The utility model arranges the rotating rod between the first connecting rod and the second connecting rod, the adjusting screw thread on the rotating rod, and the first pull rope and the second pull rope in the thread groove on the adjusting screw thread are respectively connected with the first connecting rod and the second connecting rod, when the adjusting loop bar is adjusted with the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod extend out of the adjusting loop bar, the first pull rope is pulled by the first pull rod, the second pull rope is pulled by the second pull rod and drives the rotating rod to rotate, the adjusting length of the first connecting rod is continuously limited by the connection of the first pull rope and the first connecting rod, the adjusting length of the second connecting rod is continuously limited by the connection of the second pull rope and the second connecting rod, the first connecting rod and the second connecting rod are prevented from sliding out of the adjusting loop bar during adjustment, the stability and the firmness of the connection of the first connecting rod and the second connecting rod and the adjusting loop bar are ensured, by arranging the locking screw thread on the rotating rod, and set lock nut, fix the bull stick on adjusting the loop bar through the cooperation of locking screw and lock nut, guaranteed that the bull stick can not take place the condition of overturning after using, safe high efficiency, convenient and practical.
(3) The utility model discloses a set up circular heavy groove on adjusting the loop bar, set up the scale that the length that stretches out with first stay cord and second stay cord corresponds in circular heavy inslot to indicate the length of interval on the bull stick between first connecting rod and the second connecting rod through set up the instruction piece on the bull stick, can guarantee the precision of regulation on the one hand, on the other hand also be convenient for subsequent regulation and can be faster more convenient when using adjust, high-efficient practical.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of the overall structure of the adjustable tension spring of the present invention;
FIG. 2 is a schematic view of the overall structure of the drag hook of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a side cross-sectional view of the drag hook of the present invention;
fig. 5 is an enlarged view at B in fig. 4.
Detailed Description
As shown in fig. 1 to 5, the utility model has a pressure spring body 1; the compression spring comprises a compression spring body 1, wherein drag hooks which are symmetrical along the center of the axis of the compression spring body 1 are arranged in the compression spring body 1, each drag hook comprises a connecting rod 2 which is positioned outside the compression spring body 1 and has a U-shaped cross section, a pull rod 3 which is fixed at two ends of the connecting rod 2 and penetrates through the interior of the compression spring body 1, and barbs 4 which are fixed on each pull rod 3 and are used for leaning on the compression spring body 1, each pull rod 3 comprises a first connecting rod 31 fixed on the connecting rod 2 and a second rod 32 fixed on the barbs 4, an adjusting component 5 used for adjusting the distance between the first connecting rod 31 and the second rod 32 is arranged between the first connecting rod 31 and the second rod 32, the adjusting component 5 comprises a first thread part 51 arranged on the first connecting rod 31, a second thread part 52 arranged on the second rod 32, and an adjusting sleeve rod 53, two ends of the adjusting sleeve 53 are respectively sleeved on the first thread part 51 and the second thread part 52, a first internal thread 531 capable of being matched with the first thread part 51 and a second internal thread 532 capable of being matched with the second thread part 52 are arranged in the adjusting sleeve rod 53, the first internal thread 531 and the second internal thread 532 are oppositely arranged, and the adjusting sleeve rod 53 adjusts the distance between the first connecting rod 31 and the second connecting rod 32 by rotating, the threaded matching of the first thread part 51 and the first internal thread 531, and the threaded matching of the second thread part 52 and the second internal thread 532;
a rotating rod 54 is rotatably connected in the adjusting sleeve rod 53, the rotating rod 54 is positioned between the first connecting rod 31 and the second connecting rod 32, one end of the rotating rod 54 is positioned in the adjusting sleeve rod 53 and is rotatably connected on the inner wall of the adjusting sleeve rod 53, a through hole 533 through which the rotating rod 54 can pass is arranged on the adjusting sleeve rod 53, a rotating groove 534 is arranged in the through hole 533, two rotating blocks 542 are arranged on the rotating rod 54, the other end of the rotating rod 54 passes through the through hole 533 and is then rotatably connected on the adjusting sleeve rod 53 through the matching of the rotating blocks 542 and the rotating groove 534, the axis of the rotating rod 54 is vertically intersected with the axis of the adjusting sleeve rod 53, an adjusting thread 543 is arranged at one end of the rotating rod 54, which is positioned on the inner wall of the adjusting sleeve rod 53, a first pulling rope 56 and a second pulling rope 57 are fixedly arranged at the starting end of the thread groove on the adjusting thread 543, one end of the first pulling rope 56, which is not fixed with the adjusting thread 543, extends along the spiral direction of the thread groove and is fixedly connected with the first connecting rod 31 after extending out of the thread groove, one end of the second pull rope 57, which is not fixed with the adjusting thread 543, extends along the spiral direction of the thread groove and is fixedly connected with the second rod 32 after extending out of the thread groove, one end of the rotating rod 54, which extends out of the adjusting sleeve rod 53, is provided with a locking thread, the locking thread is provided with a locking nut 541, and the rotating rod 54 is fixed on the adjusting sleeve rod 53 through the matching of the locking thread and the locking nut 541;
the outer wall of the adjusting sleeve rod 53 is provided with a circular sinking groove 55 which is coaxial with the rotating rod 54, the circular sinking groove 55 is internally provided with a scale 551 which is arranged along the axis of the rotating rod 54, an indicating block 544 is further arranged between the locking thread and the adjusting sleeve rod 53, the indicating block 544 is fixed on the outer part of the rotating rod 54, and the indication of the distance between the first connecting rod 31 and the second connecting rod 32 is indicated through the rotation of the rotating rod 54.
The utility model discloses a theory of operation: the utility model discloses when using, can be earlier according to the length of pressure spring, length to pull rod 3 is adjusted, rotate through the manual work and adjust loop bar 53, adjust first internal thread 531 on the loop bar 53 and adjust the position of first connecting rod 31 with the screw-thread fit of first screw thread portion 51 on the first connecting rod 31, the screw-thread fit of second internal thread 532 on adjusting loop bar 53 and second screw thread portion 52 on the second rod 32 is adjusted the position of second rod 32, rotation through adjusting loop bar 53, adjust the interval of first connecting rod 31 and second rod 32 simultaneously, and know the size of specific regulation through the scale 551 that instructs piece 544 to indicate, be convenient for follow-up processing or the regulation operation when using, convenient and practical.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. An adjustable tension spring is provided with a pressure spring body (1); the method is characterized in that: be equipped with in pressure spring body (1) along the drag hook of the axle center central symmetry of pressure spring body (1), each drag hook all is including being located the outside connecting rod (2) that just the cross-section is "U" of pressure spring body (1), fixing at the both ends of connecting rod (2) and pass pull rod (3) of pressure spring body (1) inside and fix on each pull rod (3) and be used for leaning on barb (4) on pressure spring body (1), pull rod (3) are including fixing first connecting rod (31) at connecting rod (2) and fixing second pole (32) on barb (4), be equipped with between first connecting rod (31) and second pole (32) and be used for adjusting part (5) of distance between first connecting rod (31) and second pole (32), adjusting part (5) are including setting up first screw thread portion (51) on first connecting rod (31), setting second screw portion (52) on second pole (32), And the two ends of the adjusting sleeve rod (53) are respectively sleeved on the first threaded part (51) and the second threaded part (52), a first internal thread (531) capable of being matched with the first threaded part (51) and a second internal thread (532) capable of being matched with the second threaded part (52) are arranged in the adjusting sleeve rod (53), the first internal thread (531) and the second internal thread (532) are oppositely arranged, and the adjusting sleeve rod (53) adjusts the distance between the first connecting rod (31) and the second rod (32) through rotation, threaded matching of the first threaded part (51) and the first internal thread (531), and threaded matching of the second threaded part (52) and the second internal thread (532).
2. The adjustable tension spring as recited in claim 1, wherein: a rotating rod (54) is rotatably connected in the adjusting sleeve rod (53), the rotating rod (54) is positioned between the first connecting rod (31) and the second connecting rod (32), one end of the rotating rod (54) is positioned in the adjusting sleeve rod (53) and is rotatably connected to the inner wall of the adjusting sleeve rod (53), a through hole (533) through which the rotating rod (54) can pass is arranged on the adjusting sleeve rod (53), the other end of the rotating rod (54) passes through the through hole (533) and is then rotatably connected to the adjusting sleeve rod (53), the axis of the rotating rod (54) is perpendicularly intersected with the axis of the adjusting sleeve rod (53), an adjusting thread (543) is arranged at one end of the rotating rod (54) positioned on the inner wall of the adjusting sleeve rod (53), a first pull rope (56) and a second pull rope (57) are fixedly arranged at the starting end of a thread groove on the adjusting thread (543), one end of the first pull rope (56) which is not fixed with the adjusting thread (543) extends along the spiral direction of the thread groove and is fixedly connected with the first connecting rod (31) after extending out of the thread groove, one end of the second pull rope (57), which is not fixed with the adjusting thread (543), extends along the spiral direction of the thread groove and is fixedly connected with the second rod (32) after extending out of the thread groove, one end of the rotating rod (54), which extends out of the adjusting sleeve rod (53), is provided with a locking thread, the locking thread is provided with a locking nut (541), and the rotating rod (54) is fixed on the adjusting sleeve rod (53) through the matching of the locking thread and the locking nut (541).
3. The adjustable tension spring as recited in claim 2, wherein: the outer wall of the adjusting sleeve rod (53) is provided with a circular sinking groove (55) which is coaxial with the rotating rod (54), a scale (551) which is arranged along the axis of the rotating rod (54) is arranged in the circular sinking groove (55), an indicating block (544) is further arranged between the locking thread and the adjusting sleeve rod (53), the indicating block (544) is fixed on the outer portion of the rotating rod (54), and the interval between the first connecting rod (31) and the second connecting rod (32) is indicated through the rotation of the rotating rod (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870024.6U CN214036624U (en) | 2020-12-02 | 2020-12-02 | Adjustable extension spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870024.6U CN214036624U (en) | 2020-12-02 | 2020-12-02 | Adjustable extension spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036624U true CN214036624U (en) | 2021-08-24 |
Family
ID=77383118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022870024.6U Active CN214036624U (en) | 2020-12-02 | 2020-12-02 | Adjustable extension spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036624U (en) |
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2020
- 2020-12-02 CN CN202022870024.6U patent/CN214036624U/en active Active
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