CN220149023U - Frame material positioning mechanism - Google Patents
Frame material positioning mechanism Download PDFInfo
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- CN220149023U CN220149023U CN202321655903.4U CN202321655903U CN220149023U CN 220149023 U CN220149023 U CN 220149023U CN 202321655903 U CN202321655903 U CN 202321655903U CN 220149023 U CN220149023 U CN 220149023U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of bicycles and discloses a frame material positioning mechanism which comprises a top rail, wherein a moving device is slidably arranged at the bottom of the top rail, an electric telescopic rod is fixedly arranged at the bottom of the moving device, a fixing plate is fixedly arranged at the extension end of the electric telescopic rod, a U-shaped frame, a motor and a square sleeve are fixedly arranged at the bottom of the fixing plate, when the motor is started to drive a chuck to rotate, a hemispherical clamping block is clamped and arranged in an arc clamping groove to drive a first gear ring to rotate together, then a threaded rod is driven to rotate so as to oppositely move a clamping jaw below a sliding block to clamp a frame, when the clamping jaw clamps the frame to the maximum extent so that the first gear ring is subjected to resistance and can not rotate continuously, an arc clamping groove on the first gear ring can force the hemispherical clamping block to press inwards and give way, and slide onto the next group of arc clamping grooves, and the process can effectively release torsion generated when the clamping jaw clamps the frame to position to the maximum extent and the motor continues to work, so that mechanical abrasion is reduced.
Description
Technical Field
The utility model belongs to the technical field of bicycles, and particularly relates to a frame material positioning mechanism.
Background
The bicycle frame is used as the framework of the whole electric bicycle, so that the correctness and the comfortableness of the riding posture are furthest determined and influenced. After the bicycle frame is produced, a plurality of frames are bundled, and then the bicycle frame is clamped and lifted to a specified position by using a lifting positioning device.
As patent number CN218809979U discloses a hoisting clamp for electric bicycle frame, to solve the technical problems mentioned in the background art; the lifting device comprises a lifting frame, wherein a mobile device is arranged on the lifting frame, and a lifting device is arranged on the mobile device; still include the anchor clamps subassembly, anchor clamps subassembly installs the output at lifting unit, the anchor clamps subassembly includes first connecting plate, installation component, drive assembly, two sets of splint, dwang and two sets of first fixed plates, first connecting plate passes through installation component to be installed on lifting unit output, drive assembly installs in first connecting plate bottom, two sets of first fixed plates are installed in first connecting plate bottom, the dwang is connected with the inner rotation of two sets of first fixed plates, two sets of splint tops all slide and are provided with two sets of slide rails, four sets of slide rails all are installed in first connecting plate bottom, be provided with two sets of reverse external screw threads on the dwang.
In the process of realizing the utility model, the device is found to have the following problems that two groups of clamping plates are utilized to move in opposite directions to clamp and fix the frame, but when the clamping plates clamp the frame to the maximum limit, the torsion release design is lacking, and the internal abrasion of a machine and the heating damage phenomenon of a motor are easily caused.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the clamping device provided by the utility model clamps and fixes the frame by utilizing the opposite movement of the two groups of clamping plates, but when the clamping plates clamp the frame to the maximum limit, the clamping plates lack of a torsion release design, so that the internal abrasion of a machine and the heating damage phenomenon of a motor are easily caused, the frame material positioning mechanism is provided.
The technical scheme adopted by the utility model is as follows: the utility model provides a frame material positioning mechanism, includes the head rail, the bottom slidable mounting of head rail has mobile device, mobile device's bottom fixed mounting has electric telescopic handle, electric telescopic handle's extension end fixed mounting has the fixed plate, the bottom fixed mounting of fixed plate has U type frame, motor and square cover, square cover internal rotation is installed a gear ring, a gear ring joint installs the chuck, and chuck and the output shaft fixed connection of motor, the outer lane slidable mounting of chuck has hemispherical fixture block all around, the inner circle of a gear ring has offered the arc draw-in groove with hemispherical fixture block looks adaptation, and hemispherical fixture block joint is installed in the arc draw-in groove, the inner chamber both sides of U type frame rotate and install the threaded rod, the outer wall middle part fixed mounting of threaded rod has a gear with a gear ring engaged with No. two gears;
the clamping device is characterized in that two sides of the threaded rod are connected with a sliding block in a threaded manner, the sliding block is slidingly and rotatably arranged on the U-shaped frame, a clamping jaw fixer is fixedly arranged at the bottom of the sliding block, clamping jaws are fixedly arranged at the inserting ends of the clamping jaws in a plugging manner, the clamping jaw fixer is installed in the wedge-shaped inserting rod in a plugging manner, a wedge-shaped locking rod is slidingly arranged in the clamping jaw fixer, a clamping groove matched with the wedge-shaped locking rod is formed in the outer side of the wedge-shaped inserting rod, the wedge-shaped locking rod is fixedly connected with a pull rod in a clamping groove in a clamping manner, and the pull rod is installed on the outer wall of the clamping jaw fixer in a plugging manner.
In a preferred embodiment, the motor is located on the left side of the square sleeve.
In a preferred embodiment, a first chute matched with the hemispherical clamping block is formed in the chuck, and a first spring is fixedly arranged at the inner side end of the hemispherical clamping block.
In a preferred embodiment, the hemispherical clamping blocks are circumferentially distributed on the outer ring of the chuck, and the arc-shaped clamping grooves are circumferentially distributed on the inner ring of the first gear ring.
Through setting up hemisphere type fixture block and arc draw-in groove, because the inboard fixed mounting of hemisphere type fixture block has a spring, and hemisphere type fixture block is hemispherical structure in addition, make when the motor starts to drive chuck rotation, hemisphere type fixture block joint is installed and can be driven a gear ring and rotate together in the arc draw-in groove, until a gear ring receives the resistance and can't continue the rotation, arc draw-in groove on the gear ring can force the inward side compression of hemisphere type fixture block to give way, slide to on the next group arc draw-in groove, this process can effectively prevent a gear ring's the unable mechanical abrasion who rotates and the motor drives chuck and continue to rotate and produce suddenly, improve the life of this device.
In a preferred embodiment, two sides of the threaded rod are fixedly connected with the U-shaped frame through bearings, and threads on two sides of the outer wall of the threaded rod are oppositely arranged.
In a preferred embodiment, a second sliding groove matched with the wedge-shaped lock rod is formed in the clamping jaw fixer, and a second spring is sleeved on the outer side of the wedge-shaped lock rod.
In a preferred embodiment, the wedge-shaped insert and the insert end of the wedge-shaped locking lever are both of an oblique design.
Through all designing wedge inserted bar and wedge locking lever's grafting end into slope structure for when the clamping jaw inserts to the clamping jaw fixer, wedge inserted bar can force wedge locking lever to move to the outside and give way until the clamping jaw inserts in place, wedge locking lever just inserts on the draw-in groove of inserting the wedge inserted bar outside and set up under the bounce of No. two springs and carry out spacing fixed to wedge inserted bar, realize the installation of clamping jaw, owing to designed the pull rod in addition, the pulling pull rod can drive wedge locking lever and leave wedge inserted bar, release spacing fixed, realize dismantling, the installation dismantlement of clamping jaw of being convenient for of this design, the clamping jaw is convenient for when damaging the change of clamping jaw.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the hemispherical clamping block and the arc clamping groove are arranged, the first spring is fixedly arranged at the inner side end of the hemispherical clamping block, and the hemispherical clamping block is of a hemispherical structure, so that when the motor is started to drive the chuck to rotate, the hemispherical clamping block is clamped in the arc clamping groove to drive the first gear ring to rotate together, and then the threaded rod is driven to rotate so as to move the clamping jaw below the sliding block to clamp the frame in opposite directions, when the clamping jaw clamps and positions the frame to the maximum extent, the arc clamping groove on the first gear ring can force the hemispherical clamping block to compress inwards to give way and slide to the next arc clamping groove, the torque force generated when the clamping jaw clamps and positions the frame to the maximum extent and the motor continues to work can be effectively released, the mechanical abrasion is reduced, and the service life of the device is prolonged.
2. According to the utility model, the wedge-shaped inserted rod and the inserting end of the wedge-shaped lock rod are designed to be of inclined structures, so that when the clamping jaw is inserted into the clamping jaw fixer, the wedge-shaped inserted rod can force the wedge-shaped lock rod to move outwards to yield until the clamping jaw is inserted into place, the wedge-shaped lock rod is just inserted into a clamping groove formed in the outer side of the wedge-shaped inserted rod under the rebound of the second spring to limit and fix the wedge-shaped inserted rod, and the clamping jaw is mounted.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a left side cross-sectional view of a square sleeve and its adjacent structure in accordance with the present utility model;
FIG. 3 is a cross-sectional view of the jaw retainer and its adjoining structure in accordance with the present utility model.
The marks in the figure: the device comprises a 1-top rail, a 2-moving device, a 3-electric telescopic rod, a 4-fixed plate, a 5-U-shaped frame, a 6-motor, a 7-square sleeve, a 8-first gear ring, a 9-chuck, a 10-hemispherical clamping block, a 11-arc clamping groove, a 12-threaded rod, a 13-second gear, a 14-sliding block, a 15-clamping jaw fixer, a 16-clamping jaw, a 17-wedge-shaped inserted rod, a 18-wedge-shaped lock rod and a 19-pull rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to figures 1 and 2, a frame material positioning mechanism comprises a top rail 1, a moving device 2 is slidably arranged at the bottom of the top rail 1, an electric telescopic rod 3 is fixedly arranged at the bottom of the moving device 2, a fixing plate 4 is fixedly arranged at the extension end of the electric telescopic rod 3, a U-shaped frame 5, a motor 6 and a square sleeve 7 are fixedly arranged at the bottom of the fixing plate 4, the motor 6 is positioned at the left side of the square sleeve 7, a first gear ring 8 is rotatably arranged in the square sleeve 7, a chuck 9 is fixedly connected with an output shaft of the motor 6 in a clamping way, a hemispherical clamping block 10 is slidably arranged around the outer ring of the chuck 9, a first chute matched with the hemispherical clamping block 10 is formed in the chuck 9, a first spring is fixedly arranged at the inner side end of the hemispherical clamping block 10, an arc clamping groove 11 which is circumferentially distributed and matched with the hemispherical clamping block 10 is formed in the inner ring of the first gear ring 8, the hemispherical fixture block 10 is clamped and installed in the arc-shaped clamping groove 11, the threaded rod 12 is rotatably installed at two sides of the inner cavity of the U-shaped frame 5, the second gear 13 meshed with the first gear ring 8 is fixedly installed in the middle of the outer wall of the threaded rod 12, two sides of the threaded rod 12 are fixedly connected with the U-shaped frame 5 through bearings, threads at two sides of the outer wall of the threaded rod 12 are oppositely arranged, the two sides of the threaded rod 12 are respectively connected with the sliding block 14 in a threaded manner, the sliding blocks 14 are slidingly installed on the U-shaped frame 5, the clamping jaw fixer 15 is fixedly installed at the bottom of the sliding blocks 14, the clamping jaw 16 is inserted and installed at the bottom of the clamping jaw fixer 15, by arranging the hemispherical fixture block 10 and the arc-shaped clamping groove 11, as the first spring is fixedly installed at the inner side end of the hemispherical fixture block 10, and the hemispherical fixture block 10 is of a hemispherical structure, so that when the motor 6 starts to drive the chuck 9 to rotate, the hemispherical fixture block 10 is clamped and installed in the arc-shaped clamping groove 11 to drive the first gear ring 8 to rotate together, then the threaded rod 12 is driven to rotate to enable the clamping jaw 16 located below the sliding block 14 to move in the opposite direction to clamp the frame, when the clamping jaw 16 clamps and positions the frame to the maximum extent so that the first gear ring 8 can not continue to rotate due to resistance, the arc-shaped clamping groove 11 on the first gear ring 8 can force the hemispherical fixture block 10 to press inwards to give way and slide onto the next group of arc-shaped clamping grooves 11, the torque force generated when the clamping jaw 16 clamps and positions the frame to the maximum extent and the motor 6 continues to work can be effectively released in the process, mechanical abrasion is reduced, and the service life of the device is prolonged.
Referring to fig. 1 and 3, a wedge-shaped inserting rod 17 is fixedly arranged at the inserting end of a clamping jaw 16, the wedge-shaped inserting rod 17 is inserted into a clamping jaw fixer 15, a wedge-shaped locking rod 18 is slidably arranged in the clamping jaw fixer 15, a second sliding groove matched with the wedge-shaped locking rod 18 is formed in the clamping jaw fixer 15, a second spring is sleeved outside the wedge-shaped locking rod 18, a clamping groove matched with the wedge-shaped locking rod 18 is formed in the outer side of the wedge-shaped inserting rod 17, the wedge-shaped locking rod 18 is clamped in the clamping groove, the inserting ends of the wedge-shaped inserting rod 17 and the wedge-shaped locking rod 18 are all of inclined design, a pull rod 19 is fixedly arranged at the outer side of the wedge-shaped locking rod 18 in a rotating mode, and the pull rod 19 is inserted into the outer wall of the clamping jaw fixer 15. Through designing wedge inserted link 17 and wedge locking lever 18's grafting end to incline structure for when clamping jaw 16 pegged graft in to clamping jaw fixer 15, wedge inserted link 17 can force wedge locking lever 18 to move to the outside and give way until clamping jaw 16 is pegged graft in place, wedge locking lever 18 just peg graft just under the bounce of No. two springs and carry out spacing fixation to wedge inserted link 17 on the draw-in groove of seting up in the wedge inserted link 17 outside, realize the installation of clamping jaw 16, in addition because pull rod 19 has been designed, pull rod 19 can drive wedge locking lever 18 and leave wedge inserted link 17, release spacing fixation, realize dismantling, this design can be convenient for the installation dismantlement of clamping jaw 16, change clamping jaw 16 when clamping jaw 16 damages is convenient for
The above connection method is a connection method commonly used in the prior art, and will not be described in detail.
The implementation principle of the embodiment of the utility model is as follows:
firstly, start electric telescopic handle 3 extension drive clamping jaw 16 come to the frame both sides, then start motor 6 start drive chuck 9 rotate, because hemisphere type fixture block 10 joint is installed in arc draw-in groove 11, can drive first gear ring 8 and rotate together at this moment, and then drive threaded rod 12 and rotate the clamping jaw 16 that will be located the slider 14 below and remove the clamp frame in opposite directions, when clamping jaw 16 presss from both sides tight location to the frame and makes first gear ring 8 receive the resistance to continue to rotate to the furthest, arc draw-in groove 11 on first gear ring 8 can force hemisphere type fixture block 10 inwards to compress to give way, slide to next group of arc draw-in groove 11, this process can effectively release and press from both sides the location to reach furthest and the motor 6 continues the torsion that work when clamping jaw 16, reduce mechanical wear, improve the life of this device.
When the clamping jaw 16 is damaged by deformation after long-time use, the pull rod 19 is pulled to drive the wedge lock rod 18 to leave the clamping groove on the wedge insert rod 17, limiting fixation is released, then the clamping jaw 16 is pulled out, finally a new clamping jaw 16 is inserted into the clamping jaw fixer 15, the wedge insert rod 17 on the clamping jaw 16 can force the wedge lock rod 18 to move outwards to give way until the clamping jaw 16 is inserted into place, and the wedge lock rod 18 is just inserted into the clamping groove arranged on the outer side of the wedge insert rod 17 under the rebound of the second spring to limit fixation of the wedge insert rod 17, so that the clamping jaw 16 is installed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. Frame material positioning mechanism, including head rail (1), its characterized in that: the bottom of the top rail (1) is slidably provided with a moving device (2), the bottom of the moving device (2) is fixedly provided with an electric telescopic rod (3), the extension end of the electric telescopic rod (3) is fixedly provided with a fixed plate (4), the bottom of the fixed plate (4) is fixedly provided with a U-shaped frame (5), a motor (6) and a square sleeve (7), the square sleeve (7) is rotationally provided with a first gear ring (8), the first gear ring (8) is internally and fixedly connected with a chuck (9), the chuck (9) is fixedly connected with an output shaft of the motor (6), the periphery of the outer ring of the chuck (9) is slidably provided with a hemispherical clamping block (10), the inner ring of the first gear ring (8) is provided with an arc clamping groove (11) matched with the hemispherical clamping block (10), the hemispherical clamping block (10) is fixedly connected with the arc clamping groove (11), two sides of an inner cavity of the U-shaped frame (5) are rotationally provided with a threaded rod (12), and the middle part of the outer wall of the threaded rod (12) is fixedly provided with a second gear ring (13) meshed with the first gear ring (8);
the clamping jaw fixing device is characterized in that sliding blocks (14) are connected to two sides of the threaded rod (12) in a threaded mode, the sliding blocks (14) are slidably arranged on the U-shaped frame (5), clamping jaw fixing devices (15) are fixedly arranged at the bottoms of the sliding blocks (14), clamping jaws (16) are installed at the bottoms of the clamping jaw fixing devices (15) in a plugging mode, wedge-shaped inserting rods (17) are fixedly arranged at the plugging ends of the clamping jaws (16), wedge-shaped locking rods (18) are installed in the clamping jaw fixing devices (15) in a plugging mode, clamping grooves matched with the wedge-shaped locking rods (18) are formed in the outer sides of the wedge-shaped inserting rods (17), the wedge-shaped locking rods (18) are installed in the clamping grooves in a clamping mode, pull rods (19) are fixedly arranged at the outer sides of the wedge-shaped locking rods (18) in a plugging mode, and the pull rods (19) are installed on the outer walls of the clamping jaw fixing devices (15) in a plugging mode.
2. A frame material positioning mechanism as defined in claim 1, wherein: the motor (6) is positioned at the left side of the square sleeve (7).
3. A frame material positioning mechanism as defined in claim 1, wherein: a first sliding groove matched with the hemispherical clamping block (10) is formed in the chuck (9), and a first spring is fixedly arranged at the inner side end of the hemispherical clamping block (10).
4. A frame material positioning mechanism as defined in claim 1, wherein: the hemispherical clamping blocks (10) are circumferentially distributed on the outer ring of the chuck (9), and the arc clamping grooves (11) are circumferentially distributed on the inner ring of the first gear ring (8).
5. A frame material positioning mechanism as defined in claim 1, wherein: the two sides of the threaded rod (12) are fixedly connected with the U-shaped frame (5) through bearings, and threads on the two sides of the outer wall of the threaded rod (12) are oppositely arranged.
6. A frame material positioning mechanism as defined in claim 1, wherein: a second sliding groove matched with the wedge-shaped lock rod (18) is formed in the clamping jaw fixer (15), and a second spring is sleeved on the outer side of the wedge-shaped lock rod (18).
7. A frame material positioning mechanism as defined in claim 1, wherein: the wedge-shaped inserted link (17) and the inserted end of the wedge-shaped lock rod (18) are both of inclined design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655903.4U CN220149023U (en) | 2023-06-28 | 2023-06-28 | Frame material positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655903.4U CN220149023U (en) | 2023-06-28 | 2023-06-28 | Frame material positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149023U true CN220149023U (en) | 2023-12-08 |
Family
ID=89007381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321655903.4U Active CN220149023U (en) | 2023-06-28 | 2023-06-28 | Frame material positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149023U (en) |
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2023
- 2023-06-28 CN CN202321655903.4U patent/CN220149023U/en active Active
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