CN219546414U - Wire winding structure of chest expander and chest expander - Google Patents
Wire winding structure of chest expander and chest expander Download PDFInfo
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- CN219546414U CN219546414U CN202320264566.XU CN202320264566U CN219546414U CN 219546414 U CN219546414 U CN 219546414U CN 202320264566 U CN202320264566 U CN 202320264566U CN 219546414 U CN219546414 U CN 219546414U
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Abstract
The utility model provides a chest expander winding structure and a chest expander, wherein the chest expander winding structure comprises a shell, a winding piece and a rope guiding assembly, the shell is provided with an outlet, one end of a rope is wound on the winding piece, the other end of the rope extends out of the shell through the outlet, the rope guiding assembly is arranged in the shell and is close to the outlet, the rope guiding assembly is provided with a rope guiding hole, and the other end of the rope penetrates out through the rope guiding hole and the outlet; the rope guiding component comprises a plurality of balls, and the balls are arranged on the periphery side of the rope guiding hole and are connected with the rope in a rolling mode. In the chest expander winding structure provided by the utility model, when the rope moves, the plurality of balls are abutted against the rope to avoid the displacement of the rope, and the rope drives the balls to roll, so that the rope is limited and only receives rolling friction of the balls. Compared with the prior art that the rope directly slides and rubs with the wall surface of the outlet, the rope in the wire winding structure of the chest expander only receives rolling friction, so that the phenomenon that the chest expander rope is easy to generate friction damage is effectively relieved, and the service life of the rope is prolonged.
Description
Technical Field
The utility model relates to the technical field of chest tensioners, in particular to a chest expander winding structure and a chest expander.
Background
In the new era, the general public is beginning to pursue a healthier and more enriched life style. Among them, mass body building and human body building are becoming a trend. Currently, the most common fitness equipment is the strength training equipment such as dumbbell, chest expander, barbell and the like.
As the body-building equipment, the electronic chest expander is small in size, convenient to carry, free from the limit of places in exercise, capable of controlling the pulling force and the like, and is popular.
However, in the related art, when the chest expander is in use, when an exerciser pulls the rope back and forth, the rope can interfere with the wall surface of the chest expander outlet, so that friction damage to the rope is easy to occur, and the problem that how to release the phenomenon that friction damage to the chest expander rope is easy to occur is solved.
Disclosure of Invention
The utility model aims to provide a chest expander take-up structure and a chest expander, which are used for solving the technical problem that a chest expander rope is easy to rub and damage.
In a first aspect, the present utility model provides a chest expander winding structure, including:
a housing having an outlet;
one end of the rope is wound on the winding part, and the other end of the rope extends out of the shell through the outlet; and
the rope guiding assembly is arranged in the shell and is close to the outlet, the rope guiding assembly is provided with a rope guiding hole, and the other end of the rope passes through the rope guiding hole and the outlet; the guide rope assembly comprises a plurality of balls, and the balls are arranged on the periphery side of the guide rope hole and are connected with the rope in a rolling mode.
In the wire winding structure of the chest expander, the rope guiding component is arranged in the shell and is close to the outlet, the rope guiding component is provided with a rope guiding hole, and the other end of the rope passes through the rope guiding hole and the outlet. The rope guiding component comprises a plurality of balls, and the balls are arranged on the periphery side of the rope guiding hole and are connected with the rope in a rolling mode. When the rope moves, the plurality of balls are abutted against the rope to avoid the displacement of the rope, and the rope drives the balls to roll, so that the rope is limited and only receives rolling friction of the plurality of balls. Compared with the prior art that the rope directly slides and rubs with the wall surface of the outlet, the rope in the wire winding structure of the chest expander only receives rolling friction, so that the phenomenon that the chest expander rope is easy to rub and damage is effectively relieved, and the service life of the rope is prolonged.
The guide rope assembly further comprises a containing piece, the guide rope hole is formed in the containing piece, a plurality of containing spaces which are communicated with the guide rope hole are further formed in the containing piece, and the containing spaces are used for containing the balls.
The plurality of balls are arranged on the outer circumferential side surface of the rope in a ring mode, and the plurality of balls roll when the rope is pulled out or retracted.
The shell comprises a first shell and a second shell which are provided with cavities, and the first shell and the second shell are in threaded connection along the axial direction of the winding piece.
The first shell comprises a first shell wall and a first limit groove arranged on the first shell wall, the first limit groove is used for being abutted against and limiting the accommodating piece, a first semicircular notch is arranged on the first limit groove, a second semicircular notch is arranged on the first shell wall, and the first semicircular notch and the second semicircular notch are both used for enabling the rope to pass through;
the second shell comprises a second shell wall, and a second limit groove and a third limit groove which are arranged on the second shell wall, wherein the second limit groove and the third limit groove are used for being abutted to limit the accommodating piece, gaps are formed between the second limit groove and the third limit groove at intervals, and the gaps are used for enabling the ropes to pass through.
The winding piece comprises a first baffle, a winding post and a second baffle which are connected, wherein the first baffle and the second baffle are arranged at opposite intervals, the axial dimension of the first baffle and the axial dimension of the second baffle are larger than that of the winding post, the first baffle, the winding post and the second baffle form an annular groove, and the annular groove is used for accommodating the rope.
The winding post is provided with a winding thread groove, and the rope is arranged corresponding to the winding thread groove.
The chest expander winding structure further comprises a motor, the motor comprises a motor output shaft, the winding piece is sleeved outside the motor output shaft, and the motor output shaft is used for driving the winding piece to rotate.
The chest expander winding structure further comprises a circuit board and a battery, wherein the circuit board is electrically connected with the motor and used for controlling the motor to rotate, and the battery is electrically connected with the motor and the circuit board and used for supplying power.
In a second aspect, the utility model provides a chest expander, which comprises the chest expander winding structure.
The chest expander provided by the utility model is applied to the chest expander take-up structure. The rope in the chest expander only receives rolling friction, effectively alleviates the phenomenon that friction damage is easy to occur to the chest expander rope, and prolongs the service life of the rope.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a chest expander according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a portion of a wire winding structure of a chest expander according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a rope guide assembly according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a first housing according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of a second housing according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a winding member according to an embodiment of the present utility model.
Description of the reference numerals:
the tension device comprises a tension device body 1000, a tension device wire collecting structure 1, a rope 2, a shell 10, an outlet 101, a first shell 11, a first shell wall 111, a first limit groove 111a, a second shell wall 112, a second limit groove 112a, a third limit groove 112b, a gap 113, a second shell 12, a winding piece 20, a first baffle 21, a second baffle 22, a winding column 23, a winding thread groove 231, a rope guiding component 30, a containing piece 31, a rope guiding hole 311, a ball 32, a threaded hole 33, a motor 40, a circuit board 50 and a battery 60.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
Reference herein to "an embodiment" or "implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
In the present specification, for convenience, words such as "middle", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are used to describe positional relationships of constituent elements with reference to the drawings, only for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus are not to be construed as limiting the present disclosure. The positional relationship of the constituent elements is appropriately changed according to the direction of the described constituent elements. Therefore, the present utility model is not limited to the words described in the specification, and may be appropriately replaced according to circumstances.
In this specification, the terms "mounted," "connected," and "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, it may be a fixed connection, a removable connection, or an integral connection; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intermediate members, or may be in communication with the interior of two elements. The meaning of the above terms in the present disclosure can be understood by one of ordinary skill in the art as appropriate.
In the new era, the general public is beginning to pursue a healthier and more enriched life style. Among them, mass body building and human body building are becoming a trend. Currently, the most common fitness equipment is the strength training equipment such as dumbbell, chest expander, barbell and the like.
For dumbbell body building, the user can exercise muscles by overcoming the weight of the dumbbell, and the dumbbell is generally heavy, inconvenient to carry and poor in user experience. Or the elastic tension rope is used for body building, and because the elastic tension rope adopts an elastic material deformation mode to provide an external force for body building for a user, the force application mode is not friendly, the required tension is smaller when the deformation is started, and the tension is required to be increased by times when the deformation is started, so that the force is difficult to control in the actual use at the degree actually required by the user.
Therefore, the electronic chest expander is used as body-building equipment, is small in size, convenient to carry, free from the limit of places in exercise, capable of controlling the pulling force and the like, and is popular.
However, in the related art, when the chest expander is in use, an exerciser can interfere with the wall surface of the outlet of the chest expander when pulling the rope reciprocally, so that the rope is easy to be damaged by friction, if the rope is seriously damaged, the chest expander cannot be used finally, the service life of the chest expander is seriously influenced, and the problem that how to release the phenomenon that the chest expander rope is easy to be damaged by friction is solved becomes a technical problem to be solved.
The utility model provides a chest expander winding structure 1 and a chest expander 1000, wherein the chest expander winding structure 1 is applied to the chest expander 1000 of the utility model, so as to relieve the phenomenon that ropes of the chest expander are easy to be rubbed and damaged.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a chest expander according to an embodiment of the present utility model, fig. 2 is a schematic structural diagram of a portion of a wire winding structure of a chest expander according to an embodiment of the present utility model, and fig. 3 is a schematic structural diagram of a rope guiding assembly according to an embodiment of the present utility model.
The chest expander winding structure 1 comprises a shell 10, a winding piece 20 and a rope guiding assembly 30. The housing 10 has an outlet 101 from which the cord 2 protrudes. One end of the rope 2 is wound around the winding member 20, and the other end extends out of the housing 10 through the outlet 101.
The rope guiding assembly 30 is arranged in the shell 10 and is close to the outlet 101, the rope guiding assembly 30 is provided with a rope guiding hole 311, and the other end of the rope 2 passes through the rope guiding hole 311 and the outlet 101. The guide rope assembly 30 includes a plurality of balls 32, and the balls 32 are disposed at the circumference of the guide rope hole 311 and are connected to the rope 2 in a rolling manner.
The other end of the rope 2 extends out of the housing 10 through the outlet 101, specifically, the end portion of the other end of the rope 2 is connected with a pull ring, and the pull ring is used for enabling a user to hold and pull the other end of the rope 2 to exert a force, so that the rope 2 moves along a direction deviating from the winding member 20, and further drives the winding member 20 to rotate along a preset direction. At this time, if a steering force opposite to the preset direction is provided to the winding member 20 to prevent the winding member 20 from moving in the preset direction, a larger force is required for the user to continue pulling the rope 2, so that the user can exercise.
The rope guide assembly 30 has a rope guide hole 311, and the other end of the rope 2 passes through the rope guide hole 311 and the opening in order and is penetrated out of the opening. The guide rope assembly 30 includes a plurality of balls 32, and the balls 32 are disposed at the circumference of the guide rope hole 311 and are connected to the rope 2 in a rolling manner. When the other end of the rope 2 moves along the direction approaching or departing from the winding member 20, the balls 32 are arranged on the periphery of the rope 2 and abut against the rope 2 to prevent the rope 2 from shifting, the rope 2 drives the balls 32 to roll, and the rope 2 only receives rolling friction of the balls 32 while limiting.
In the chest expander winding structure 1 provided by the utility model, the rope guiding assembly 30 is arranged in the shell 10 and is close to the outlet 101, the rope guiding assembly 30 is provided with the rope guiding hole 311, and the other end of the rope 2 passes through the rope guiding hole 311 and the outlet 101. The guide rope assembly 30 includes a plurality of balls 32, and the balls 32 are disposed at the circumference of the guide rope hole 311 and are connected to the rope 2 in a rolling manner. When the rope 2 moves, the plurality of balls 32 abut against the rope 2 to avoid the rope 2 from shifting, and the rope 2 drives the balls 32 to roll, so that the rope 2 is limited and only receives rolling friction of the plurality of balls 32. Compared with the prior art that the rope directly slides and rubs with the wall surface of the outlet, the rope 2 in the chest expander winding structure 1 is only subjected to rolling friction, so that the phenomenon that the rope 2 is easy to be rubbed and damaged is effectively relieved, and the service life of the rope 2 is prolonged.
Referring to fig. 2 and 3, the rope guiding assembly 30 further includes a receiving member 31, the rope guiding hole 311 is disposed on the receiving member 31, and a plurality of receiving spaces communicating with the rope guiding hole 311 are further disposed in the receiving member 31, and the receiving spaces are used for receiving the balls 32.
The plurality of receiving spaces communicate with the rope guide hole 311 so that the balls 32 provided in the receiving spaces can abut against the rope 2.
Referring again to fig. 2 and 3, the balls 32 are disposed around the outer peripheral side surface of the rope 2, and the balls 32 roll when the rope 2 is pulled out or retracted.
Specifically, in the present embodiment, the rope 2 is a circular rope, and the number of the balls 32 is 4, and the balls are located on the upper, lower, left, right, and four sides of the rope 2. The four balls 32 are respectively arranged on four sides of the rope 2, so that the rope 2 is prevented from being deviated towards any side, and the stability of the rope 2 is improved. And the four balls 32 respectively improve rolling friction on four sides of the rope 2, so that the probability that the rope 2 is damaged by sliding friction is further reduced, and the service life of the rope 2 is prolonged.
Alternatively, in other embodiments, the rope 2 may be a flat rope or other rope, and the number of the balls 32 may be 1, or 2, or 4, or 8, or other numbers, which is not limited by the present utility model.
The receiving member 31 is further provided with a plurality of screw holes 33, and the receiving member 31 is fixed to the housing 10 by the screw holes 33 and screws (not shown).
Referring to fig. 1, the housing 10 includes a first housing 11 and a second housing 12 having a cavity, and the first housing 11 and the second housing 12 are screwed along an axial direction of the winding member 20.
The first housing 11 and the second housing 12 are screwed together along the axial direction of the winding member 20, so that the direction of the pulling force is perpendicular to the screwing direction when the user pulls the rope 2, and the screw fixation between the first housing 11 and the second housing 12 is not easily damaged.
Alternatively, in other embodiments, the first housing 11 and the second housing 12 may be snap-fit, which is not limited in the present utility model.
Referring to fig. 1 to 5, fig. 4 is a schematic structural diagram of a first housing according to an embodiment of the present utility model, and fig. 5 is a schematic structural diagram of a second housing according to an embodiment of the present utility model.
The first housing 11 includes a first housing wall 111 and a first limit groove 111a disposed on the first housing wall 111, where the first limit groove 111a is used to abut against and limit the accommodating member 31, a first semicircular notch is disposed on the first limit groove 111a, a second semicircular notch is disposed on the first housing wall 111, and both the first semicircular notch and the second semicircular notch are used to allow the rope 2 to pass through.
The second housing 12 includes a second housing wall 112, and a second limiting groove 112a and a third limiting groove 112b disposed on the second housing wall 112, where the second limiting groove 112a and the third limiting groove 112b are used to abut against and limit the accommodating member 31, the second limiting groove 112a and the third limiting groove 112b are spaced to form a gap 113, the gap 113 is used to allow the rope 2 to pass through, and a third semicircular notch is disposed on the second housing wall 112, and the third semicircular notch is all used to allow the rope 2 to pass through.
The first limiting groove 111a is used for abutting and limiting the accommodating member 31, so as to avoid displacement of a part of the accommodating member 31 in the horizontal direction, which is arranged in the first limiting groove 111 a. The second limiting groove 112a and the third limiting groove 112b are used for abutting and limiting the accommodating member 31, so that a part of the accommodating member 31 in the second limiting groove 112a and a part of the accommodating member 31 in the third limiting groove 112b are prevented from being displaced in the horizontal direction. The first limiting groove 111a, the second limiting groove 112a and the third limiting groove 112b are mutually matched, so that the vertical displacement of the accommodating piece 31 is avoided.
In this embodiment, the horizontal direction is a first direction X or a second direction Y, and the vertical direction is a third direction Z.
The first limiting groove 111a is provided with a first semicircular notch, the second limiting groove 112a and the third limiting groove 112b are arranged at intervals to form a gap 113, the first semicircular notch corresponds to the gap 113 in position, and an inner opening for the rope 2 to pass through is formed between the first semicircular notch and the gap 113.
The second semicircular notch and the third semicircular notch form the opening. The position of the inner opening corresponds to the position of the opening such that the cord 2 passes out of the housing 10 through the inner opening and the opening.
Referring to fig. 2 and fig. 6, fig. 6 is a schematic structural diagram of a winding member according to an embodiment of the utility model. The winding part 20 comprises a first baffle 21, a winding post 23 and a second baffle 22 which are connected, wherein the first baffle 21 and the second baffle 22 are arranged at opposite intervals, the axial dimension of the first baffle 21 and the second baffle 22 is larger than that of the winding post 23, and the first baffle 21, the winding post 23 and the second baffle 22 form an annular groove which is used for accommodating the rope 2.
Referring to fig. 2 and 6 again, the winding post 23 is provided with a winding thread groove 231, and the rope 2 is disposed corresponding to the winding thread groove 231.
The rope 2 may be disposed in the winding thread groove 231 to increase the contact area between the rope 2 and the winding thread groove 231, so that the winding member 20 can be more easily driven to move or the rope 2 drives the winding member 20 to rotate.
And when the user releases the rope 2, the rope 2 can be orderly wound on the reel, so that random and irregular winding of the pull rope is effectively avoided. When the user pulls out the rope 2, the rope 2 is not slipped on the winding member 20 because the rope 2 is uniformly and orderly wound on the winding member 20, so that the chest expander 1000 can smoothly output tension, and further, the using hand feeling and the exercise effect of the user are effectively ensured.
Referring to fig. 2 again, the chest expander winding structure 1 further includes a motor 40, the motor 40 includes a motor output shaft, the winding member 20 is sleeved outside the motor output shaft, and the motor output shaft is used for driving the winding member 20 to rotate.
Referring to fig. 2 again, the chest expander winding structure 1 further includes a circuit board 50 and a battery 60, wherein the circuit board 50 is electrically connected to the motor 40 for controlling the motor 40 to rotate, and the battery 60 is electrically connected to the motor 40 and the circuit board 50 for supplying power.
Specifically, the motor 40 of the present utility model is a torque controllable motor. By utilizing the controllability of the torque of the motor 40, and combining the structure of the chest expander 1000, the force can be changed according to the actual use requirement of a user, so that the body building experience of the user is richer, the effect is better, and the chest expander 1000 is light in structure and convenient to travel and carry.
The circuit board 50 can control the torque of the motor 40 to be adjusted in real time according to the angle and speed to which the winding member 20 is actually rotated and the planned exercise tension curve. The torque of the motor 40 varies according to the training characteristics of the human muscle so as to improve the training effect as much as possible.
The circuit board 50 can control the motor 40 to automatically start operating when the user pulls the winding member 20 to rotate, without an additional switch, and the user does not use for a long time, and automatically shuts down or sleeps.
While the foregoing is directed to embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, and such changes and modifications are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides a chest expander admission structure which characterized in that includes:
a housing having an outlet;
one end of the rope is wound on the winding part, and the other end of the rope extends out of the shell through the outlet; and
the rope guiding assembly is arranged in the shell and is close to the outlet, the rope guiding assembly is provided with a rope guiding hole, and the other end of the rope passes through the rope guiding hole and the outlet; the guide rope assembly comprises a plurality of balls, and the balls are arranged on the periphery side of the guide rope hole and are connected with the rope in a rolling mode.
2. The chest expander wire winding structure according to claim 1, wherein the rope guiding assembly further comprises a containing piece, the rope guiding hole is formed in the containing piece, and a plurality of containing spaces communicated with the rope guiding hole are further formed in the containing piece and used for containing the balls.
3. The wire takeup structure of a chest expander according to claim 1, wherein a plurality of said balls are looped around an outer peripheral side surface of said rope, and said rope rolls when said rope is pulled out or retracted.
4. The wire takeup structure of a chest expander according to claim 2, wherein the housing includes a first housing and a second housing having a cavity, the first housing and the second housing being threadedly coupled in an axial direction of the wire winding member.
5. The chest expander wire winding structure according to claim 4, wherein the first housing comprises a first housing wall and a first limiting groove arranged on the first housing wall, the first limiting groove is used for abutting against and limiting the accommodating piece, a first semicircular notch is arranged on the first limiting groove, a second semicircular notch is arranged on the first housing wall, and the first semicircular notch and the second semicircular notch are both used for enabling the rope to pass through;
the second shell comprises a second shell wall, and a second limit groove and a third limit groove which are arranged on the second shell wall, wherein the second limit groove and the third limit groove are used for being abutted to limit the accommodating piece, gaps are formed between the second limit groove and the third limit groove at intervals, and the gaps are used for enabling the ropes to pass through.
6. The chest expander wire winding structure of claim 1, wherein the wire winding member comprises a first baffle, a winding post and a second baffle which are connected, the first baffle and the second baffle are arranged at intervals relatively, the axial dimension of the first baffle and the axial dimension of the second baffle are larger than the axial dimension of the winding post, the first baffle, the winding post and the second baffle form an annular groove, and the annular groove is used for accommodating the rope.
7. The wire winding structure of claim 6, wherein the winding post is provided with a winding thread groove, and the rope is arranged corresponding to the winding thread groove.
8. The chest expander wire winding structure of claim 1, further comprising a motor, wherein the motor comprises a motor output shaft, the wire winding member is sleeved outside the motor output shaft, and the motor output shaft is used for driving the wire winding member to rotate.
9. The chest expander wire winding structure of claim 8, further comprising a circuit board and a battery, wherein the circuit board is electrically connected to the motor for controlling the motor to rotate, and the battery is electrically connected to the motor and the circuit board for supplying power.
10. A chest expander, comprising a chest expander take-up structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264566.XU CN219546414U (en) | 2023-02-15 | 2023-02-15 | Wire winding structure of chest expander and chest expander |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264566.XU CN219546414U (en) | 2023-02-15 | 2023-02-15 | Wire winding structure of chest expander and chest expander |
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| CN219546414U true CN219546414U (en) | 2023-08-18 |
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| CN202320264566.XU Active CN219546414U (en) | 2023-02-15 | 2023-02-15 | Wire winding structure of chest expander and chest expander |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117891033A (en) * | 2024-03-14 | 2024-04-16 | 国网山西省电力公司晋城供电公司 | Optical fiber storage box |
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2023
- 2023-02-15 CN CN202320264566.XU patent/CN219546414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117891033A (en) * | 2024-03-14 | 2024-04-16 | 国网山西省电力公司晋城供电公司 | Optical fiber storage box |
| CN117891033B (en) * | 2024-03-14 | 2024-05-14 | 国网山西省电力公司晋城供电公司 | Optical fiber storage box |
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