CN213575283U - Constant force spring load adjusting device - Google Patents
Constant force spring load adjusting device Download PDFInfo
- Publication number
- CN213575283U CN213575283U CN202022641612.2U CN202022641612U CN213575283U CN 213575283 U CN213575283 U CN 213575283U CN 202022641612 U CN202022641612 U CN 202022641612U CN 213575283 U CN213575283 U CN 213575283U
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- spring
- pressing plate
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- threaded
- connecting block
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Abstract
The utility model discloses a constant force spring load adjusting device, which comprises a spring rear pressing plate and a spring front pressing plate, wherein the spring rear pressing plate and the spring front pressing plate are connected through a spring, the spring center is provided with a spring pull rod with two ends extending out of the spring rear pressing plate and the spring front pressing plate, one end of the spring pull rod extending out of the spring rear pressing plate is fixed with a central column through a connecting nut, the middle part of the central column is provided with a rotatable threaded adjusting rod, two connecting blocks are symmetrically arranged on the threaded adjusting rod and positioned on the central column, two lower pressing blocks are arranged on the spring rear pressing plate, the upper part of the central column is in threaded connection with an upper connecting block, a quadrilateral connecting rod structure is formed by the mutual connection of the upper connecting block, the connecting block and the lower pressing blocks through connecting rods, the spring can be easily adjusted, and the, the use is more convenient and more convenient, and the working efficiency can be greatly improved.
Description
Technical Field
The utility model relates to a spring load adjusting device, concretely relates to constant force spring load adjusting device.
Background
The spring support and hanger is widely used for supporting or suspending various pipelines and equipment which generate thermal displacement in operation, and mainly plays roles in bearing load, compensating displacement, controlling vibration and the like. And the spring support and hanger on site needs to be subjected to load adjustment on site for some reasons: 1. adjustment is required when there is a deviation between the theoretical and actual loads; 2. when the spring support and hanger has too long service life, the spring force is also required to be adjusted when the spring force is attenuated.
Due to the spring support and hanger with large load (the load is different from several tons to dozens of tons), when no pressure equipment is available, the spring is difficult to press and adjust by manually adjusting the spring adjusting nut with a wrench, and particularly, the spring support and hanger is hung in the air, so that the operation is more inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model adopts the following technical scheme: a constant force spring load adjusting device comprises a spring rear pressing plate and a spring front pressing plate, wherein the spring rear pressing plate and the spring front pressing plate are connected through a spring, a spring pull rod with two ends extending out of the spring rear pressing plate and the spring front pressing plate is arranged in the center of the spring, the spring pull rod is fixed with the spring front pressing plate through threads, a through hole with the inner diameter larger than the outer diameter of the spring pull rod is formed in the spring rear pressing plate, a spring elastic nut corresponding to the spring rear pressing plate is arranged on the spring pull rod, one end of the spring pull rod extending out of the spring rear pressing plate is fixed with a central column through a connecting nut, a rotatable threaded adjusting rod is arranged in the middle of the central column, two connecting blocks are symmetrically arranged on the threaded adjusting rod and positioned on the central column, the connecting blocks are in threaded connection with the threaded adjusting rod, the screwing directions of internal threads on, the upper portion threaded connection of center post has last connecting block, go up connecting block, lower briquetting and pass through connecting rod interconnect and be formed with a tetragonal connecting rod structure, be provided with the round nut that corresponds with last connecting block on the center post, the screw thread adjusting lever right-hand member is formed with the adjusting lever.
As a further explanation, the connecting rod comprises a straight connecting rod hinged with the upper connecting block and the connecting block, and an arc-shaped connecting rod hinged with the connecting block and the lower pressing block, which is favorable for better forming a quadrilateral connecting rod structure capable of driving the lower pressing block to press downwards.
As further explained, when the threaded adjusting rod rotates clockwise, the two connecting blocks move synchronously towards the direction close to the central column, and when the threaded adjusting rod rotates anticlockwise, the two connecting blocks move synchronously towards the direction away from the central column, and the connecting blocks can be driven to move inwards or outwards through the forward and reverse rotation of the threaded adjusting rod, so that the connecting rods are driven to move, and then the pressing blocks are pressed or lifted, so that the springs can be better adjusted.
As further explained, the upper end of the spring pull rod is in threaded connection with the connecting nut, and the connecting nut is in threaded connection with the central column, so that the spring pull rod and the central column can be better fixedly connected, and the replacement and maintenance are convenient.
As further explained, the threaded adjusting rod is in threaded connection with the central column, which is beneficial to enabling the threaded adjusting rod to rotate more stably.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses simple structure can just can drive the connecting block and move to the inboard or outside through adjusting the positive and negative rotation that the lever made the screw thread regulation pole, and then drives the connecting rod motion, and then makes the briquetting push down or rise, and then can be better regulating spring, regulating spring very easily, after having adjusted the spring, reuse spring elasticity nut locking, it is more convenient to use, and is more convenient, can improve work efficiency greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic structural diagram of the upper connecting block or the connecting block of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
Example (b): as shown in fig. 1-3, this embodiment provides a constant force spring load adjusting device, which includes a rear spring pressing plate 10 and a front spring pressing plate 14, the rear spring pressing plate 10 and the front spring pressing plate 14 are connected by a spring 12, a spring pull rod 11 having two ends extending out of the rear spring pressing plate 10 and the front spring pressing plate 14 is disposed in the center of the spring 12, the spring pull rod 11 is fixed to the front spring pressing plate 14 by a screw thread, a through hole having an inner diameter larger than an outer diameter of the spring pull rod 11 is disposed on the rear spring pressing plate 10, a spring elastic nut 9 corresponding to the rear spring pressing plate 10 is disposed on the spring pull rod 11, one end of the spring pull rod 11 extending out of the rear spring pressing plate 10 is fixed to a central column 1 by a connecting nut 8, a rotatable screw thread adjusting rod 7 is disposed in the middle of the central column 1, two connecting blocks 5 are symmetrically disposed, the utility model discloses a spring back pressing plate, including connecting block 5, screw thread adjusting rod 7, connecting block 5, connecting rod 4 interconnect between upper connecting block 3, connecting block 5, lower pressing block 6, connecting rod 3, connecting block 5, connecting rod 13, adjusting lever 13 is formed with to the right-hand member of screw thread adjusting rod 7. The connecting rod 4 comprises a straight connecting rod 401 hinged with the upper connecting block 3 and the connecting block 5 and an arc-shaped connecting rod 402 hinged with the connecting block 5 and the lower pressing block 6, so that a quadrilateral connecting rod structure capable of driving the lower pressing block to press downwards is formed better. When 7 clockwise rotations of threaded adjusting rod, two connecting blocks 5 are to being close to 1 direction synchronous motion of center post, when 7 anticlockwise rotations of threaded adjusting rod, two connecting blocks 5 are to keeping away from 1 direction synchronous motion of center post, just can drive the connecting block and move to the inboard or the outside through just reversing of threaded adjusting rod, and then drive the connecting rod motion, and then make down the briquetting and push down or rise, and then regulating spring that can be better. The upper end of the spring pull rod 11 is in threaded connection with the connecting nut 8, the connecting nut 8 is in threaded connection with the central column 1, the spring pull rod 11 and the central column 1 are better fixedly connected, and replacement and maintenance are convenient. The threaded adjusting rod 7 is in threaded connection with the central column 1, so that the threaded adjusting rod can rotate more stably.
When specifically using, just can drive the connecting block and move to the inboard or outside through adjusting the positive and negative rotation that the lever made the screw thread regulation pole, and then drive the connecting rod motion, and then make down the briquetting and push down or rise, when 7 clockwise rotations of screw thread regulation pole, two connecting blocks 5 are to being close to 1 direction synchronous motion of center post, and the briquetting pushes down compression spring this moment, when 7 anticlockwise rotations of screw thread regulation pole, two connecting blocks 5 are to keeping away from 1 direction synchronous motion of center post, and the briquetting upward movement is pushed down this moment, and the spring kick-backs, and then can be better regulating spring, regulating spring very easily, and after adjusting the spring, reuse spring elasticity nut locking, it is more convenient to use, and is more convenient, can improve work efficiency greatly.
The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.
Claims (5)
1. A constant force spring load adjusting device is characterized by comprising a spring rear pressing plate (10) and a spring front pressing plate (14), wherein the spring rear pressing plate (10) and the spring front pressing plate (14) are connected through a spring (12), a spring pull rod (11) with two ends extending out of the spring rear pressing plate (10) and the spring front pressing plate (14) is arranged at the center of the spring (12), the spring pull rod (11) is in threaded fixation with the spring front pressing plate (14), a through hole with an inner diameter larger than the outer diameter of the spring pull rod (11) is formed in the spring rear pressing plate (10), a spring elastic nut (9) corresponding to the spring rear pressing plate (10) is arranged on the spring pull rod (11), one end of the spring pull rod (11) extending out of the spring rear pressing plate (10) is fixed with a center column (1) through a connecting nut (8), a rotatable threaded adjusting rod (7) is arranged in the middle of the center column (1), the utility model discloses a spring adjusting device, including threaded adjusting pole (7), be provided with two connecting blocks (5) on threaded adjusting pole (7) and lie in the position symmetry of center post (1), internal screw thread revolves to opposite on connecting block (5) and threaded adjusting pole (7) threaded connection and two connecting blocks (5), be provided with two briquetting (6) down on spring back clamp plate (10), the upper portion threaded connection of center post (1) has last connecting block (3), it is formed with a tetragonal connecting rod structure to go up connecting block (3), connecting block (5), lower briquetting (6) between through connecting rod (4) interconnect, be provided with round nut (2) that correspond with last connecting block (3) on center post (1), threaded adjusting pole (7) right-hand member is formed with adjusting lever (13).
2. A constant force spring load adjustment device according to claim 1, characterized in that the connecting rod (4) comprises a straight connecting rod (401) hinged with the upper connecting block (3) and the connecting block (5), and an arc connecting rod (402) hinged with the connecting block (5) and the lower pressing block (6).
3. A constant force spring load adjustment device according to claim 2, characterized in that the upper end of the spring tie rod (11) is threadedly connected to a connection nut (8), and the connection nut (8) is threadedly connected to the center post (1).
4. A constant force spring load adjustment device according to claim 3, characterized in that when the threaded adjustment rod (7) is rotated clockwise, the two connection blocks (5) move synchronously towards the central column (1), and when the threaded adjustment rod (7) is rotated counterclockwise, the two connection blocks (5) move synchronously away from the central column (1).
5. A constant force spring load adjustment device according to claim 4, characterized in that the threaded adjustment rod (7) is threaded with the central column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641612.2U CN213575283U (en) | 2020-11-16 | 2020-11-16 | Constant force spring load adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641612.2U CN213575283U (en) | 2020-11-16 | 2020-11-16 | Constant force spring load adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575283U true CN213575283U (en) | 2021-06-29 |
Family
ID=76538076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022641612.2U Active CN213575283U (en) | 2020-11-16 | 2020-11-16 | Constant force spring load adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575283U (en) |
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2020
- 2020-11-16 CN CN202022641612.2U patent/CN213575283U/en active Active
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