CN219529667U - Flexible joint double-layer plane torsion spring - Google Patents
Flexible joint double-layer plane torsion spring Download PDFInfo
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- CN219529667U CN219529667U CN202223418684.6U CN202223418684U CN219529667U CN 219529667 U CN219529667 U CN 219529667U CN 202223418684 U CN202223418684 U CN 202223418684U CN 219529667 U CN219529667 U CN 219529667U
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Abstract
The utility model discloses a flexible joint double-layer plane torsion spring, which comprises: the shell plates are provided with two connecting pieces, an elastic body is arranged in the shell plates, and one end of the elastic body is provided with a connecting shaft sleeve; the outer shell plate comprises a first outer shell and a second outer shell which are opposite in rotation direction; the shaft body is arranged in the connecting shaft sleeve; a mounting hole provided inside the case plate; the torsion limiting ring is arranged in the connecting shaft sleeve and is matched with the shaft body; a stopper provided on one side of the elastic body; the magnetic connection is adopted, on one hand, the shaft body and the torsion spring are actively out of step in a large torque state, the pressure of the torsion spring is relieved, on the other hand, the two shell plates are not influenced by a key groove structure and are independently moved, the torque in one direction can be respectively responsible, a reverse movement sending space is not required to be reserved, the stroke is long, and the elastic force is good.
Description
Technical Field
The utility model belongs to the technical field of spring pieces and particularly relates to a flexible joint double-layer plane torsion spring.
Background
The plane torsion spring is energy storage and deformation through an elastic body, realizes buffering and resisting rotation, has the advantages of small axial volume, compact structure adaptation and convenience in installation compared with the traditional torsion spring, and is widely applied to the fields of robots, sensor sensing, mechanical driving and the like, and is commonly used on various intelligent devices.
The existing torsion spring still has a plurality of problems, for example, when equipment is started or stopped, larger torque can be generated, sudden additional pressure can be applied to the elastic body, the torsion spring is easy to damage, meanwhile, the existing torsion spring with stronger elastic force is of a type that the elastic body is compressed by adopting forward rotation of the shaft body, the elastic body is stretched by reverse rotation, the elastic body is required to be in a larger space, the total length of the elastic body in a relaxed state is only half of the whole torsion spring at most, the provided elastic force is small, and the effect is poor. Therefore, the utility model solves the problems and innovates and improves the plane torsion spring.
The existing torsion spring mainly has the following problems:
1. most of the existing torsion springs have the problem of maximum bearing pressure, and when the equipment is started or stopped, larger torque can be generated, sudden additional pressure can be applied to the elastic body, and the torsion springs are easy to damage.
2. Most of the existing torsion springs have the problem of elastic travel, because the torsion springs are needed to store energy during the forward and backward rotation of the shaft body, the total length of the torsion springs is at most semicircular in a relaxed state, the travel of the torsion springs is short, and the torsion spring effect is poor.
Disclosure of Invention
The utility model aims to: in order to overcome the defects, the utility model aims to provide the flexible joint double-layer planar torsion spring which is in magnetic connection, on one hand, the axle body and the torsion spring are actively out of step in a high torque state to make the axle body and the torsion spring move in a differential mode, so that the pressure of the torsion spring is relieved, on the other hand, the two outer shell plates are not influenced by a key groove structure and move independently, can be respectively responsible for torque in one direction, does not need to leave a reverse movement generating space, and has long travel and good elastic force.
The technical scheme is as follows: in order to achieve the above object, the present utility model provides a flexible joint double-layer planar torsion spring, comprising:
the shell plates are provided with two connecting pieces, elastic bodies are arranged in the shell plates, a plurality of elastic bodies are arranged, and one end, far away from the shell plates, of each elastic body is provided with a connecting shaft sleeve; the shell plate comprises a first shell and a second shell, and the rotation direction of an elastomer in the first shell is opposite to that of the elastomer in the second shell;
the shaft body is arranged in the connecting shaft sleeve;
the mounting holes are formed in the inner side of the shell plate, a plurality of mounting holes are formed in the mounting holes, and the mounting holes are annularly arranged;
the torsion limiting ring is arranged in the connecting shaft sleeve and is matched with the shaft body;
and a stopper provided on one side of the elastic body, the stopper being provided on the inner side of the outer shell plate.
The double-layer plane torsion spring is arranged, so that the two shell plates are not influenced by a key groove structure and move independently, can be respectively responsible for torque in one direction, does not need to leave a reverse movement generating space, and is long in stroke and good in elastic force.
The torsion limiting ring of the present utility model includes:
the ring body is arranged on the inner side of the connecting shaft sleeve, and a fixed embedding table is arranged on the outer side of the ring body;
the detection groove is arranged on the inner side of the ring body, a pressure block is arranged in the detection groove, a push block spring is arranged on one side of the pressure block, one end of the push block spring presses the pressure block, and the other end of the push block spring presses the detection groove;
the contact switch is arranged in the detection groove, the contact switch is connected with a voltage regulating resistor, the voltage regulating resistor is arranged on the ring body, the voltage regulating resistor is connected with an excitation coil, the excitation coil is annularly arranged on the ring body, a magnet is circumferentially arranged on the outer side of the shaft body, and the magnet is matched with the excitation coil.
The torsion limiting ring is arranged, and adopts magnetic connection, so that the torsion limiting ring can provide the same fixing capability as the traditional structure in a normal state, and can actively lose synchronization in a high-torque state, so that the shaft body and the torsion spring do differential motion, and the pressure of the torsion spring is relieved.
The shaft body is provided with a plurality of matching grooves, the matching grooves are annularly arranged on the shaft body, and the matching grooves are matched with the pressure block.
The arrangement of the matching grooves is convenient for lifting the pressure blocks, and meanwhile, the plurality of matching grooves are arranged, so that the problem that the pressure blocks cannot be lifted due to dislocation after step-out is avoided.
The contact switch is connected with a power-off switch, the power-off switch is arranged on one side of the contact switch, the power-off switch is connected with an excitation coil power supply, and the power-off switch is connected with the contact switch through a delay circuit.
According to the utility model, the power-off switch is arranged, the shaft body is identified to move reversely under the condition that the pressure block is not lifted up quickly, and the exciting coil power supply of the layer is disconnected, so that the torsion spring of the other layer works independently, and collision is avoided.
The connecting piece comprises an elastic gasket, a rubber gasket, mounting holes and pressing sleeves, wherein the elastic gasket is arranged on one side of the shell plate, the rubber gasket is arranged on one side of the elastic gasket, the mounting holes are formed in the rubber gasket and are in annular arrangement, the mounting holes are matched with the mounting holes, the diameter of each mounting hole is larger than that of each mounting hole, the pressing sleeves are arranged on two sides of each mounting hole, and the pressing sleeves extend into the mounting holes.
According to the utility model, the connecting piece is arranged to provide connection and buffering for the two shell plates, and as the bolts in the mounting holes are in transition fit with the mounting holes and no screw thread is used, the two shell plates can be slightly displaced due to the pressure transmitted by the shaft body during the work of the torsion spring, and a shearing force is generated, and the connecting piece provides buffering force, so that the damage of the shearing force to the bolts in the mounting holes is avoided, and the service life is prolonged.
In the utility model, at least one elastic gasket is arranged, and the rubber gaskets are arranged on one side of the elastic gaskets or between the elastic gaskets.
The elastic body comprises a resistance body and a limiting body, wherein the resistance body is in a snake shape, the resistance body is connected and arranged between the shell plate and the connecting shaft sleeve, one side of the resistance body is provided with the limiting body, two ends of the limiting body are fixed on the resistance body, the limiting body is a telescopic rod, and the side face of the limiting body is in matched contact with the resistance body.
According to the elastic body, the limiting body is used for limiting the compression direction of the resistance body, so that the resistance body can be prevented from bending towards the normal line or the spiral line to release elastic kinetic energy, stable energy storage of the elastic body is ensured, and the elastic force and stability are improved.
The sectional area of the curved part of the resistance body is larger than the sectional area of the straight part of the resistance body, and the sectional area of the curved part of the resistance body is smoothly transited to the sectional area of the straight part of the resistance body.
The arrangement of the resistance body in the utility model thickens the position where the elastic body is often bent, and improves the service life of the torsion spring.
The working method of the utility model comprises the following steps: when the shaft body rotates positively, the first shell is fixed by the magnetic force between the magnetic block and the exciting coil, and the elastic body normally provides elastic buffering; simultaneously, the rotation direction of the shaft body in the second housing is the same as the stop direction of the stop block, the shaft body resists to the second housing, the shaft body deflects with the exciting coil in the second housing, the shaft body presses the pressure block to enable the voltage regulating resistor to participate in a circuit, the magnetic force of the exciting coil in the second housing is reduced, at the moment, the second housing and the shaft body are in a sticky state, and the second housing provides elastic buffering through the magnetic force; the shaft body and the second shell continuously move relatively, the pressure block cannot be lifted, the shaft body continuously rotates forward and has spent a large torque stage when started, a delay circuit is delayed to finish, a power-off switch is turned on, the second shell and the shaft body lose magnetic connection, and the second shell does not work; when the shaft body rotates reversely, the working state of the first shell and the second shell is exchanged;
the exciting coil is a magnet which converts magnetic force through electric power, when the utility model is used for equipment which does not calculate the stroke through the rotation of the shaft body, the magnetic force of the exciting coil can be properly reduced, and when the shaft body is started to generate large torque, the exciting coil cannot drag the shaft body to generate step-out, so that the plane torsion spring is protected, and the normal operation of the working method is not influenced.
The technical scheme can be seen that the utility model has the following beneficial effects:
1. the flexible joint double-layer plane torsion spring provided by the utility model has the advantages that the two shell plates are not constrained by a key groove structure and move independently, can respectively take charge of torque in one direction, does not need to leave a reverse movement generating space, and has long stroke and good elastic force.
2. The flexible joint double-layer plane torsion spring adopts magnetic connection, can provide the same fixing capability as the traditional structure in a normal state, and can actively lose synchronization in a high torque state, so that the shaft body and the torsion spring do differential motion, and the pressure of the torsion spring is relieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional side view of the present utility model;
FIG. 3 is a schematic view of a second housing of the present utility model;
FIG. 4 is a schematic view of a torsion limiting ring according to the present utility model;
FIG. 5 is a schematic view of the structure of the pressure block of the present utility model;
FIG. 6 is a schematic view of the structure of the connecting sheet of the present utility model;
FIG. 7 is a schematic structural view of an elastomer of the present utility model;
in the figure: the device comprises an outer shell plate-1, a connecting sheet-2, an elastic gasket-21, a rubber gasket-22, an installation perforation-23, a pressing sleeve-24, an elastic body-3, a resistance body-31, a limit body-32, a connecting sleeve-4, a shaft body-5, an installation hole-6, a torsion limiting ring-7, a ring body-71, a fixing embedding table-72, a pressure block-73, a push block spring-74, a contact switch-75, a voltage regulating resistor-76, an exciting coil-77, a magnetic block-78, a matching groove-79, a power-off switch-70 and a stop block-8.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Example 1
A flexible joint double layer planar torsion spring as shown in fig. 1-7, comprising:
the shell comprises two shell plates 1, wherein connecting pieces 2 are arranged between the shell plates 1, an elastic body 3 is arranged in the shell plates 1, a plurality of elastic bodies 3 are arranged, and a connecting shaft sleeve 4 is arranged at one end, far away from the shell plates 1, of each elastic body 3; the shell plate 1 comprises a first shell and a second shell, wherein the rotation direction of an elastomer 3 in the first shell is opposite to that of the elastomer 3 in the second shell;
a shaft body 5 provided in the coupling sleeve 4;
a plurality of mounting holes 6, which are arranged on the inner side of the shell plate 1, wherein the plurality of mounting holes 6 are arranged in a ring shape;
a torque limiting ring 7 disposed in the coupling sleeve 4, the torque limiting ring 7 being engaged with the shaft body 5;
and a stopper 8 provided on the elastic body 3 side, the stopper 8 being provided inside the case plate 1.
The torsion limiting ring 7 described in the present embodiment includes:
a ring body 71 provided inside the connecting sleeve 4, wherein a fixing embedding table 72 is provided outside the ring body 71;
the detection groove is formed in the inner side of the ring body 71, a pressure block 73 is arranged in the detection groove, a push block spring 74 is arranged on one side of the pressure block 73, one end of the push block spring 74 presses the pressure block 73, and the other end of the push block spring 74 presses the detection groove;
the contact switch 75 is arranged in the detection groove, the contact switch 75 is connected and provided with a voltage regulating resistor 76, the voltage regulating resistor 76 is arranged on the ring body 71, the voltage regulating resistor 76 is connected and provided with an exciting coil 77, the exciting coil 77 is annularly arranged on the ring body 71, a magnetic block 78 is circumferentially arranged on the outer side of the shaft body 5, and the magnetic block 78 is matched with the exciting coil 77.
The shaft body 5 in this embodiment is provided with a plurality of engaging grooves 79, the engaging grooves 79 are annularly arranged on the shaft body 5, and the engaging grooves 79 are engaged with the pressure block 73.
The contact switch 75 in this embodiment is connected to a power-off switch 70, the power-off switch 70 is disposed on one side of the contact switch 75, the power-off switch 70 is connected to a power supply of the exciting coil 77, and the power-off switch 70 is connected to the contact switch 75 through a delay circuit.
The connection piece 2 in this embodiment include elastic gasket 21, rubber gasket 22, installation perforation 23 and press the cover 24, shell plate 1 one side is provided with elastic gasket 21, elastic gasket 21 one side is provided with rubber gasket 22, be provided with the installation perforation 23 on the rubber gasket 22, the installation perforation 23 is the annular and arranges, installation perforation 23 cooperates with mounting hole 6, the installation perforation 23 diameter is greater than mounting hole 6 diameter, the installation perforation 23 both sides are provided with presses the cover 24, press the cover 24 to extend to in the mounting hole 6.
In this embodiment, there is no less than one elastic pad 21, and the rubber pad 22 is disposed on one side of the elastic pad 21 or between the elastic pads 21.
The elastomer 3 in this embodiment includes resistance body 31 and spacing body 32, resistance body 31 is the snakelike, resistance body 31 connects to set up between shell plate 1 and even axle sleeve 4, resistance body 31 one side is provided with spacing body 32, spacing body 32 both ends are fixed in on the resistance body 31, spacing body 32 is the arc, spacing body 32 side and resistance body 31 cooperation contact.
The sectional area of the curved part of the resistance body 31 is larger than the sectional area of the straight part of the resistance body 31 in the embodiment, and the sectional area of the curved part of the resistance body 31 is smoothly transited to the sectional area of the straight part of the resistance body 31.
Example 2
A flexible joint double layer planar torsion spring as shown in figures 1, 4 and 5 comprising:
the shell comprises two shell plates 1, wherein connecting pieces 2 are arranged between the shell plates 1, an elastic body 3 is arranged in the shell plates 1, a plurality of elastic bodies 3 are arranged, and a connecting shaft sleeve 4 is arranged at one end, far away from the shell plates 1, of each elastic body 3; the shell plate 1 comprises a first shell and a second shell, wherein the rotation direction of an elastomer 3 in the first shell is opposite to that of the elastomer 3 in the second shell;
a shaft body 5 provided in the coupling sleeve 4;
a plurality of mounting holes 6, which are arranged on the inner side of the shell plate 1, wherein the plurality of mounting holes 6 are arranged in a ring shape;
a torque limiting ring 7 disposed in the coupling sleeve 4, the torque limiting ring 7 being engaged with the shaft body 5;
and a stopper 8 provided on the elastic body 3 side, the stopper 8 being provided inside the case plate 1.
The torsion limiting ring 7 described in the present embodiment includes:
a ring body 71 provided inside the connecting sleeve 4, wherein a fixing embedding table 72 is provided outside the ring body 71;
the detection groove is formed in the inner side of the ring body 71, a pressure block 73 is arranged in the detection groove, a push block spring 74 is arranged on one side of the pressure block 73, one end of the push block spring 74 presses the pressure block 73, and the other end of the push block spring 74 presses the detection groove;
the contact switch 75 is arranged in the detection groove, the contact switch 75 is connected and provided with a voltage regulating resistor 76, the voltage regulating resistor 76 is arranged on the ring body 71, the voltage regulating resistor 76 is connected and provided with an exciting coil 77, the exciting coil 77 is annularly arranged on the ring body 71, a magnetic block 78 is circumferentially arranged on the outer side of the shaft body 5, and the magnetic block 78 is matched with the exciting coil 77.
The shaft body 5 in this embodiment is provided with a plurality of engaging grooves 79, the engaging grooves 79 are annularly arranged on the shaft body 5, and the engaging grooves 79 are engaged with the pressure block 73.
The contact switch 75 in this embodiment is connected to a power-off switch 70, the power-off switch 70 is disposed on one side of the contact switch 75, the power-off switch 70 is connected to a power supply of the exciting coil 77, and the power-off switch 70 is connected to the contact switch 75 through a delay circuit.
Example 3
A flexible joint double layer planar torsion spring as shown in fig. 1 and 6, comprising:
the shell comprises two shell plates 1, wherein connecting pieces 2 are arranged between the shell plates 1, an elastic body 3 is arranged in the shell plates 1, a plurality of elastic bodies 3 are arranged, and a connecting shaft sleeve 4 is arranged at one end, far away from the shell plates 1, of each elastic body 3; the shell plate 1 comprises a first shell and a second shell, wherein the rotation direction of an elastomer 3 in the first shell is opposite to that of the elastomer 3 in the second shell;
a shaft body 5 provided in the coupling sleeve 4;
a plurality of mounting holes 6, which are arranged on the inner side of the shell plate 1, wherein the plurality of mounting holes 6 are arranged in a ring shape;
a torque limiting ring 7 disposed in the coupling sleeve 4, the torque limiting ring 7 being engaged with the shaft body 5;
and a stopper 8 provided on the elastic body 3 side, the stopper 8 being provided inside the case plate 1.
The connection piece 2 in this embodiment include elastic gasket 21, rubber gasket 22, installation perforation 23 and press the cover 24, shell plate 1 one side is provided with elastic gasket 21, elastic gasket 21 one side is provided with rubber gasket 22, be provided with the installation perforation 23 on the rubber gasket 22, the installation perforation 23 is the annular and arranges, installation perforation 23 cooperates with mounting hole 6, the installation perforation 23 diameter is greater than mounting hole 6 diameter, the installation perforation 23 both sides are provided with presses the cover 24, press the cover 24 to extend to in the mounting hole 6.
In this embodiment, there is no less than one elastic pad 21, and the rubber pad 22 is disposed on one side of the elastic pad 21 or between the elastic pads 21.
Example 4
A flexible joint double layer planar torsion spring as shown in fig. 1 and 7, comprising:
the shell comprises two shell plates 1, wherein connecting pieces 2 are arranged between the shell plates 1, an elastic body 3 is arranged in the shell plates 1, a plurality of elastic bodies 3 are arranged, and a connecting shaft sleeve 4 is arranged at one end, far away from the shell plates 1, of each elastic body 3; the shell plate 1 comprises a first shell and a second shell, wherein the rotation direction of an elastomer 3 in the first shell is opposite to that of the elastomer 3 in the second shell;
a shaft body 5 provided in the coupling sleeve 4;
a plurality of mounting holes 6, which are arranged on the inner side of the shell plate 1, wherein the plurality of mounting holes 6 are arranged in a ring shape;
a torque limiting ring 7 disposed in the coupling sleeve 4, the torque limiting ring 7 being engaged with the shaft body 5;
and a stopper 8 provided on the elastic body 3 side, the stopper 8 being provided inside the case plate 1.
The elastomer 3 in this embodiment includes resistance body 31 and spacing body 32, resistance body 31 is the snakelike, resistance body 31 connects to set up between shell plate 1 and even axle sleeve 4, resistance body 31 one side is provided with spacing body 32, spacing body 32 both ends are fixed in on the resistance body 31, spacing body 32 is the arc, spacing body 32 side and resistance body 31 cooperation contact.
The sectional area of the curved part of the resistance body 31 is larger than the sectional area of the straight part of the resistance body 31 in the embodiment, and the sectional area of the curved part of the resistance body 31 is smoothly transited to the sectional area of the straight part of the resistance body 31.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a flexible joint bilayer plane torsional spring which characterized in that: comprising the following steps:
the novel anti-theft shell comprises two shell plates (1), wherein connecting pieces (2) are arranged between the shell plates (1), elastic bodies (3) are arranged in the shell plates (1), a plurality of elastic bodies (3) are arranged, and a connecting sleeve (4) is arranged at one end, far away from the shell plates (1), of each elastic body (3); the shell plate (1) comprises a first shell and a second shell, and the rotation direction of the elastomer (3) in the first shell is opposite to that of the elastomer (3) in the second shell;
a shaft body (5) which is arranged in the connecting shaft sleeve (4);
the mounting holes (6) are formed in the inner side of the shell plate (1), a plurality of mounting holes (6) are formed, and the mounting holes (6) are annularly arranged;
a torque limiting ring (7) arranged in the connecting shaft sleeve (4), wherein the torque limiting ring (7) is matched with the shaft body (5);
and a stopper (8) provided on one side of the elastic body (3), the stopper (8) being provided on the inner side of the casing plate (1).
2. The flexible joint double-layer planar torsion spring according to claim 1, wherein: the torsion limiting ring (7) comprises:
a ring body (71) which is arranged at the inner side of the connecting shaft sleeve (4), and a fixed embedding table (72) is arranged at the outer side of the ring body (71);
the detection groove is formed in the inner side of the ring body (71), a pressure block (73) is arranged in the detection groove, a push block spring (74) is arranged on one side of the pressure block (73), one end of the push block spring (74) presses the pressure block (73), and the other end of the push block spring (74) presses the detection groove;
the contact switch (75) is arranged in the detection groove, the contact switch (75) is connected and provided with a voltage regulating resistor (76), the voltage regulating resistor (76) is arranged on the ring body (71), the voltage regulating resistor (76) is connected and provided with an excitation coil (77), the excitation coil (77) is annularly arranged on the ring body (71), a magnetic block (78) is circumferentially arranged on the outer side of the shaft body (5), and the magnetic block (78) is matched with the excitation coil (77).
3. A flexible joint double-layer planar torsion spring according to claim 2, wherein: the shaft body (5) is provided with a plurality of matching grooves (79), the matching grooves (79) are annularly arranged on the shaft body (5), and the matching grooves (79) are matched with the pressure blocks (73).
4. A flexible joint double-layer planar torsion spring according to claim 2, wherein: the circuit is characterized in that the contact switch (75) is connected with a power-off switch (70), the power-off switch (70) is arranged on one side of the contact switch (75), the power-off switch (70) is connected with an excitation coil (77) power supply, and the power-off switch (70) is connected with the contact switch (75) through a delay circuit.
5. The flexible joint double-layer planar torsion spring according to claim 1, wherein: the connecting piece (2) include elastic gasket (21), rubber gasket (22), installation perforation (23) and press cover (24), shell plate (1) one side is provided with elastic gasket (21), elastic gasket (21) one side is provided with rubber gasket (22), be provided with on rubber gasket (22) and install perforation (23), install perforation (23) and be annular arrangement, install perforation (23) and mounting hole (6) cooperation, install perforation (23) diameter is greater than mounting hole (6) diameter, install perforation (23) both sides are provided with press cover (24), press cover (24) extend to in mounting hole (6).
6. The flexible joint double-layer planar torsion spring according to claim 5, wherein: the number of the elastic gaskets (21) is not less than one, and the rubber gaskets (22) are arranged on one side of the elastic gaskets (21) or between the elastic gaskets (21).
7. The flexible joint double-layer planar torsion spring according to claim 1, wherein: elastomer (3) include resistance body (31) and spacing body (32), resistance body (31) are snakelike, resistance body (31) connect to set up between shell plate (1) and even axle sleeve (4), resistance body (31) one side is provided with spacing body (32), spacing body (32) both ends are fixed in on resistance body (31), spacing body (32) are the telescopic link, spacing body (32) side and resistance body (31) cooperation contact.
8. The flexible joint double-layer planar torsion spring according to claim 7, wherein: the sectional area of the bending part of the resistance body (31) is larger than the sectional area of the straight line part of the resistance body (31), and the sectional area of the bending part of the resistance body (31) is smoothly transited to the sectional area of the straight line part of the resistance body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223418684.6U CN219529667U (en) | 2022-12-20 | 2022-12-20 | Flexible joint double-layer plane torsion spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223418684.6U CN219529667U (en) | 2022-12-20 | 2022-12-20 | Flexible joint double-layer plane torsion spring |
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| CN219529667U true CN219529667U (en) | 2023-08-15 |
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| CN202223418684.6U Active CN219529667U (en) | 2022-12-20 | 2022-12-20 | Flexible joint double-layer plane torsion spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913672A (en) * | 2023-09-11 | 2023-10-20 | 长春市元尚欣信息科技有限公司 | Low-noise dry-type power transformer |
-
2022
- 2022-12-20 CN CN202223418684.6U patent/CN219529667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913672A (en) * | 2023-09-11 | 2023-10-20 | 长春市元尚欣信息科技有限公司 | Low-noise dry-type power transformer |
| CN116913672B (en) * | 2023-09-11 | 2024-04-12 | 山东沂都电气有限公司 | Low-noise dry-type power transformer |
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