CN220688012U - Connection structure and piston rod for piston type electric cylinder - Google Patents
Connection structure and piston rod for piston type electric cylinder Download PDFInfo
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- CN220688012U CN220688012U CN202322411698.3U CN202322411698U CN220688012U CN 220688012 U CN220688012 U CN 220688012U CN 202322411698 U CN202322411698 U CN 202322411698U CN 220688012 U CN220688012 U CN 220688012U
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- 238000009434 installation Methods 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of piston rods for piston type electric cylinders, and in particular discloses a connecting structure and a piston rod for a piston type electric cylinder, which comprise the following components: the device comprises a shell, a driving block and a piston rod, wherein the piston rod is arranged in the shell, a screw rod is arranged in the piston rod, the driving block is arranged on the screw rod, a special-shaped groove and a T-shaped groove are formed in the driving block, a spring and a movable plate are arranged in the T-shaped groove, a limiting block is connected with a limiting groove in a sliding mode, and the special-shaped groove is movably connected with a connecting rod; when the piston rod is installed, the connecting rod on the piston rod is inserted into the special-shaped groove on the driving block through the groove hole, the connecting rod enters the T-shaped groove, the connecting rod is in contact extrusion with the movable plate, the movable plate compresses the spring, the piston rod is rotated for ninety degrees, the connecting rod is rotated for ninety degrees in the T-shaped groove, and the installation of the piston rod is completed; when the piston rod is disassembled, the piston rod is rotated for ninety degrees and then taken out; the problem that the piston rod is inconvenient to replace after the piston rod is damaged due to easy abrasion of the outlet end of the piston rod is solved, and the disassembly and the installation are convenient.
Description
Technical Field
The utility model relates to the field of piston rods for piston type electric cylinders, in particular to a connecting structure and a piston rod for a piston type electric cylinder.
Background
The electric cylinder is a modularized product which integrates a servo motor and a screw rod, converts the rotary motion of the servo motor into linear motion, and simultaneously converts the optimal advantage of the servo motor, namely accurate rotating speed control, accurate torque control into accurate speed control, accurate position control and accurate thrust control; realizing a brand new revolutionary product of high-precision linear motion series.
In the prior art, the piston rod is mostly fixed inside the electric cylinder, but because the piston rod is frequently used in contact with the outside air, the outlet end of the piston rod is easy to wear to damage, the damaged piston rod is inconvenient to replace, manual disassembly and installation cannot be quickly realized in a narrow space, and certain inconvenience exists.
Disclosure of Invention
The present utility model is directed to a connecting structure for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a connection structure, comprising: the device comprises a shell, a driving block and a piston rod, wherein the piston rod is arranged in the shell, a screw rod is arranged in the piston rod, the driving block is arranged on the screw rod, a special-shaped groove and a T-shaped groove are formed in the driving block, a spring and a movable plate are arranged in the T-shaped groove, a limiting block is arranged on the movable plate, the limiting block is slidably connected with a limiting groove, and the special-shaped groove is movably connected with a connecting rod.
Preferably, the right-hand member outer wall fixedly connected with servo motor of casing, and servo motor's output passes the right wall of casing, and servo motor output's outer wall fixedly connected with bearing, the outer wall fixed connection of bearing is in the casing right wall center, the groove hole has been seted up at casing left wall center, the groove hole cross-section is the protruding font, and the diameter in groove hole is greater than the diameter of bearing, the guide way has all been seted up to the upper and lower inner wall in groove hole, the guide way link up mutually with the groove hole, the guide way is in the left side of bearing, the guide way is inside the casing, sliding connection has the guide block in the guide way, the guide block is equipped with two, the upper and lower extreme outer wall at the drive block respectively fixed connection of guide block.
Preferably, the screw rod is in the groove hole, one end outer wall of the screw rod passes through the driving block and is in threaded connection with the threaded hole, the threaded hole is formed in the right wall of the driving block, one end of the screw rod is fixedly connected with the output end of the servo motor, the outer wall of the screw rod is fixedly connected to the inner wall of the bearing, and the other end of the screw rod is movably connected in the piston rod.
Preferably, the driving block is in the slot hole, the left wall center of the driving block is provided with a special-shaped slot, the cross section of the special-shaped slot is formed by combining a circle with two squares, the special-shaped slot is in through connection with the T-shaped slot, the T-shaped slot is arranged in the driving block, the cross section of the T-shaped slot is in a T shape, the left end diameter of the T-shaped slot is larger than the right end diameter, the T-shaped slot is in through connection with the threaded hole, and the centers of the special-shaped slot and the T-shaped slot are on the same horizontal line.
Preferably, the piston rod is movably connected in the slot hole, the right end of the piston rod penetrates through the special-shaped slot and is in the T-shaped slot, the connecting rods are fixedly connected to the upper outer wall and the lower outer wall of the right end of the piston rod, and the connecting rods are in the T-shaped slot and are movably connected to the left end of the T-shaped slot.
Preferably, the fly leaf is in the T-shaped groove, and at the right-hand member in T-shaped groove, and the fly leaf is on the right side of connecting rod, and the lead screw passes and swing joint in the center of fly leaf, fixedly connected with spring on the right wall of fly leaf, the spring is equipped with a plurality of, and the spring is in the T-shaped groove and at the right-hand member in T-shaped groove, and the one end of spring is fixed on the inner wall in T-shaped groove, and the spring distributes in the outside of lead screw.
Preferably, two limiting blocks are arranged, the limiting blocks are fixedly connected to the centers of the front wall and the rear wall of the movable plate, the limiting blocks are arranged in limiting grooves, and the limiting grooves are respectively formed in the front wall and the rear wall of the right end of the T-shaped groove.
A piston rod for a piston type electric cylinder comprises the connecting structure.
Compared with the prior art, the utility model has the beneficial effects that:
when the piston rod is installed, the connecting rod on the piston rod is inserted into the special-shaped groove on the driving block through the groove hole, the connecting rod enters the T-shaped groove, the connecting rod is in contact extrusion with the movable plate, the movable plate compresses the spring, the piston rod is rotated for ninety degrees, the connecting rod is rotated for ninety degrees in the T-shaped groove, and the installation of the piston rod is completed; when the piston rod is disassembled, the piston rod is rotated for ninety degrees and then taken out; the problem that the piston rod is inconvenient to replace after the piston rod is damaged due to easy abrasion of the outlet end of the piston rod is solved, and the disassembly and the installation are convenient.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present utility model;
FIG. 2 is a diagram of the connection of the drive block and piston rod of the present utility model;
FIG. 3 is a cross-sectional view of the connection of the drive block and piston rod of the present utility model;
FIG. 4 is an explosion distribution diagram of the internal structure of the driving block according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of the area a in fig. 4 according to the present utility model.
In the figure: 1. a housing; 2. a slot hole; 3. a driving block; 4. a bearing; 5. a piston rod; 6. a screw rod; 7. a guide groove; 8. a guide block; 9. a special-shaped groove; 10. a T-shaped groove; 11. a movable plate; 12. a spring; 13. a connecting rod; 14. a limiting block; 15. a threaded hole; 16. a limit groove; 17. a servo motor.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1-5, the present utility model provides a technical solution: a connection structure, comprising: casing 1, drive piece 3 and piston rod 5 are equipped with piston rod 5 in the casing 1, are equipped with lead screw 6 in the piston rod 5, are equipped with drive piece 3 on the lead screw 6, its characterized in that: the driving block 3 is provided with a special-shaped groove 9 and a T-shaped groove 10, a spring 12 and a movable plate 11 are arranged in the T-shaped groove 10, a limiting block 14 is arranged on the movable plate 11, the limiting block 14 is connected with a limiting groove 16 in a sliding manner, and the special-shaped groove 9 is movably connected with a connecting rod 13; the outer wall of the right end of the shell 1 is fixedly connected with a servo motor 17, the output end of the servo motor 17 penetrates through the right wall of the shell 1, the outer wall of the output end of the servo motor 17 is fixedly connected with a bearing 4, the outer wall of the bearing 4 is fixedly connected in the center of the right wall of the shell 1, a groove hole 2 is formed in the center of the left wall of the shell 1, the cross section of the groove hole 2 is in a convex shape, the diameter of the groove hole 2 is larger than that of the bearing 4, guide grooves 7 are formed in the upper inner wall and the lower inner wall of the groove hole 2, the guide grooves 7 are communicated with the groove hole 2, the guide grooves 7 are arranged on the left side of the bearing 4, the guide grooves 7 are arranged in the shell 1, guide blocks 8 are slidably connected with the guide blocks 8, and the guide blocks 8 are respectively fixedly connected with the outer walls of the upper end and the lower end of the driving block 3; the screw rod 6 is arranged in the groove hole 2, the outer wall of one end of the screw rod 6 passes through the driving block 3 and is in threaded connection with the threaded hole 15, the threaded hole 15 is formed in the right wall of the driving block 3, one end of the screw rod 6 is fixedly connected with the output end of the servo motor 17, the outer wall of the screw rod 6 is fixedly connected with the inner wall of the bearing 4, and the other end of the screw rod 6 is movably connected in the piston rod 5; a piston rod for a piston type electric cylinder comprises the connecting structure;
when the piston rod 5 is installed, the connecting rod 13 on the piston rod 5 is inserted into the special-shaped groove 9 on the driving block 3 through the groove hole 2, the connecting rod 13 enters the T-shaped groove 10, the connecting rod 13 is in contact extrusion with the movable plate 11, the movable plate 11 compresses the spring 12, the piston rod 5 is rotated for ninety degrees, the connecting rod 13 is rotated for ninety degrees in the T-shaped groove 10, and the installation of the piston rod 5 is completed; the piston rod is rotated by ninety degrees for taking out when the piston rod is disassembled.
Embodiment two:
on the basis of the first embodiment, in order to facilitate the disassembly of the piston rod 5, the driving block 3 is arranged in the groove hole 2, the center of the left wall of the driving block 3 is provided with a special-shaped groove 9, the cross section of the special-shaped groove 9 is formed by combining a circle with two squares, the special-shaped groove 9 is in through connection with a T-shaped groove 10, the T-shaped groove 10 is arranged in the driving block 3, the cross section of the T-shaped groove 10 is in a T shape, the diameter of the left end of the T-shaped groove 10 is larger than the diameter of the right end, the T-shaped groove 10 is communicated with a threaded hole 15, and the centers of the special-shaped groove 9 and the T-shaped groove 10 are on the same horizontal line; the piston rod 5 is movably connected in the groove hole 2, the right end of the piston rod 5 passes through the special-shaped groove 9 and is arranged in the T-shaped groove 10, the upper outer wall and the lower outer wall of the right end of the piston rod 5 are fixedly connected with the connecting rod 13, and the connecting rod 13 is arranged in the T-shaped groove 10 and is movably connected at the left end of the T-shaped groove 10;
the piston rod 5 is rotated ninety degrees to enable the connecting rod 13 to rotate ninety degrees in the T-shaped groove 10, the connecting rod 13 can rotate on the movable plate 11 to generate friction, and then the piston rod 5 is pulled out from the T-shaped groove 10, the special-shaped groove 9 and the groove hole 2, so that the piston rod 5 is convenient to detach.
Embodiment III:
on the basis of the first embodiment, in order to fasten and stabilize the piston rod 5 after installation, the movable plate 11 is in the T-shaped groove 10, and at the right end of the T-shaped groove 10, the movable plate 11 is on the right side of the connecting rod 13, the lead screw 6 in the center of the movable plate 11 passes through and is movably connected, the springs 12 are fixedly connected to the right wall of the movable plate 11, the springs 12 are provided with a plurality of springs 12, the springs 12 are in the T-shaped groove 10 and at the right end of the T-shaped groove 10, one end of each spring 12 is fixed on the inner wall of the T-shaped groove 10, and the springs 12 are distributed on the outer side of the lead screw 6; the two limiting blocks 14 are arranged, the limiting blocks 14 are fixedly connected to the centers of the front wall and the rear wall of the movable plate 11, the limiting blocks 14 are arranged in limiting grooves 16, and the limiting grooves 16 are respectively formed in the front wall and the rear wall of the right end of the T-shaped groove 10;
when connecting rod 13 extrudees fly leaf 11, spring 12 can produce elasticity and extrude fly leaf 11, and is more stable under stopper 14 and spacing groove 16 effect when fly leaf 11 removes, also prevents that the fly leaf from breaking away from T-slot 10 right-hand member completely simultaneously, prevents that piston rod 5 from appearing controlling great rocking when using, and frictional force makes and produces friction between fly leaf 11 and connecting rod 13, strengthens the stability after connecting rod 13 installs, makes piston rod 5 fasten steadily and lean on after the installation.
When the device is in actual use, the piston rod 5 is pressed during installation, so that the connecting rod 13 on the piston rod 5 is inserted into the special-shaped groove 9 on the driving block 3 through the groove hole 2, the connecting rod 13 enters the T-shaped groove 10, the connecting rod 13 is in contact with the movable plate 11 for extrusion, the movable plate 13 compresses the spring 12, the piston rod 5 is rotated for ninety degrees, the connecting rod 13 is rotated for ninety degrees in the T-shaped groove 10, and the installation of the piston rod 5 is completed; the piston rod is rotated by ninety degrees for taking out when the piston rod is disassembled.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A connection structure, comprising: casing (1), drive piece (3) and piston rod (5), be equipped with piston rod (5) in casing (1), be equipped with lead screw (6) in piston rod (5), be equipped with drive piece (3), its characterized in that on lead screw (6): the driving block (3) is provided with a special-shaped groove (9) and a T-shaped groove (10), a spring (12) and a movable plate (11) are arranged in the T-shaped groove (10), a limiting block (14) is arranged on the movable plate (11), the limiting block (14) is slidably connected with a limiting groove (16), and the special-shaped groove (9) is movably connected with a connecting rod (13).
2. A connection structure according to claim 1, wherein: the right-hand member outer wall fixedly connected with servo motor (17) of casing (1), and the right wall of casing (1) is passed to the output of servo motor (17), and the outer wall fixedly connected with bearing (4) of servo motor (17) output, the outer wall fixed connection of bearing (4) is in casing (1) right wall center, groove hole (2) have been seted up at casing (1) left wall center, groove hole (2) cross-section is the protruding font, and the diameter of groove hole (2) is greater than the diameter of bearing (4), guiding groove (7) have all been seted up to the upper and lower inner wall of groove hole (2), guiding groove (7) link up mutually with groove hole (2), guiding groove (7) are in the left side of bearing (4), guiding groove (7) are inside casing (1), guiding block (8) sliding connection has, guiding block (8) are equipped with two, guiding block (8) are fixed connection respectively at the upper and lower end outer wall of driving block (3).
3. A connection structure according to claim 2, characterized in that: the screw rod (6) is in the groove hole (2), one end outer wall of the screw rod (6) penetrates through the driving block (3) and is in threaded connection with the threaded hole (15), the threaded hole (15) is formed in the right wall of the driving block (3), one end of the screw rod (6) is fixedly connected with the output end of the servo motor (17), the outer wall of the screw rod is fixedly connected to the inner wall of the bearing (4), and the other end of the screw rod (6) is movably connected in the piston rod (5).
4. A connection according to claim 3, wherein: the driving block (3) is in the groove hole (2), the special-shaped groove (9) is formed in the center of the left wall of the driving block (3), the cross section of the special-shaped groove (9) is formed by combining a circle with two squares, the special-shaped groove (9) is in through connection with the T-shaped groove (10), the T-shaped groove (10) is formed in the driving block (3), the cross section of the T-shaped groove (10) is in a T shape, the left end diameter of the T-shaped groove (10) is larger than the right end diameter, the T-shaped groove (10) is communicated with the threaded hole (15), and the centers of the special-shaped groove (9) and the T-shaped groove (10) are on the same horizontal line.
5. A connection structure according to claim 4, wherein: the piston rod (5) is movably connected in the groove hole (2), the right end of the piston rod (5) penetrates through the special-shaped groove (9) and is in the T-shaped groove (10), the connecting rods (13) are fixedly connected to the upper outer wall and the lower outer wall of the right end of the piston rod (5), and the connecting rods (13) are in the T-shaped groove (10) and are movably connected to the left end of the T-shaped groove (10).
6. A connection structure according to claim 5, wherein: the movable plate (11) is in the T-shaped groove (10), and at the right-hand member of T-shaped groove (10), movable plate (11) is on the right side of connecting rod (13), lead screw (6) pass and swing joint in the center of movable plate (11), fixedly connected with spring (12) on the right wall of movable plate (11), spring (12) are equipped with a plurality of, spring (12) are in T-shaped groove (10) and at the right-hand member of T-shaped groove (10), the one end of spring (12) is fixed on the inner wall of T-shaped groove (10), and spring (12) distributes in the outside of lead screw (6).
7. A connection structure according to claim 6, wherein: the two limiting blocks (14) are arranged, the limiting blocks (14) are fixedly connected to the centers of the front wall and the rear wall of the movable plate (11), the limiting blocks (14) are arranged in limiting grooves (16), and the limiting grooves (16) are respectively formed in the front wall and the rear wall of the right end of the T-shaped groove (10).
8. A piston rod for a piston type electric cylinder is characterized in that: comprising a connection structure according to any of the preceding claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411698.3U CN220688012U (en) | 2023-09-06 | 2023-09-06 | Connection structure and piston rod for piston type electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411698.3U CN220688012U (en) | 2023-09-06 | 2023-09-06 | Connection structure and piston rod for piston type electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688012U true CN220688012U (en) | 2024-03-29 |
Family
ID=90406946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322411698.3U Active CN220688012U (en) | 2023-09-06 | 2023-09-06 | Connection structure and piston rod for piston type electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688012U (en) |
-
2023
- 2023-09-06 CN CN202322411698.3U patent/CN220688012U/en active Active
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