CN111969424A - Energy-saving environment-friendly transformer substation - Google Patents

Abstract

The invention relates to the technical field of transformer substations, and discloses an energy-saving and environment-friendly transformer substation, which aims to solve the problems that a rain-proof plate in the existing transformer substation influences the natural heat dissipation of the transformer substation, needs electric power for heat dissipation and wastes resources. The invention can effectively shield rain around the transformer substation in rainy days, and can retract the rain shielding structure in non-rainy days, thereby not affecting the natural heat dissipation of the transformer substation, reducing the secondary power heat dissipation, saving energy and protecting environment.

Description

Energy-saving environment-friendly transformer substation

Technical Field

The invention relates to the technical field of transformer substations, in particular to an energy-saving and environment-friendly transformer substation.

Background

The substation refers to a place where voltage and current are converted, electric energy is received, and electric energy is distributed in an electric power system, and may be classified into a box-type substation, an assembled substation, a mobile substation, and the like.

The current chinese patent that authorizes bulletin number is CN201721816427.4 discloses a safe type box-type substation, including transformer substation's body shell, transformer substation's body shell's front surface is provided with the transformer substation cabinet door, transformer substation's cabinet door passes through the cabinet door tie bolt with transformer substation's body shell and rotates to be connected, bolt fixedly connected with transformer substation's cabinet door handle is passed through to transformer substation's front surface one side of cabinet door, the front surface intermediate position department of transformer substation's cabinet door passes through screw fixedly connected with transformer substation's heat dissipation window, the upper surface of transformer substation's body shell passes through bolt fixedly connected with transformer substation's top cap, the top of transformer substation's top cap is provided with solar cell panel, solar cell panel passes through solar cell panel tie.

Along with the social entrance, people have stronger and stronger energy-saving consciousness and stronger safety consciousness; and because the transformer substation belongs to the electric power facility and is generally located outdoors, rainwater easily enters into the transformer substation in rainy days, and short circuit and damage of electric devices in the transformer substation are very unsafe.

The prior Chinese patent with the application number of CN201920083037.3 discloses an intelligent prefabricated substation, which comprises a box body, wherein the top of the box body is provided with a top plate, the top of the top plate is provided with a rain baffle, the outer side of the rain baffle is provided with a plurality of sliding grooves, the bottom of the rain baffle is provided with a lower sliding plate, the top of the inner side of the box body is provided with a temperature detector and a temperature regulator, the bottom of the inner side of the box body is provided with a plurality of micro fans, and one side of each micro fan is connected with a fan blade; simultaneously, the outside of box is rotated through the pivot and is connected with the flashing board, and the inboard of flashing board passes through the actuating lever to be connected with the lateral wall of box.

The above prior art solutions have the following drawbacks: although above-mentioned patent has set up the weather shield, has realized basic work of keeping off the rain in the top of transformer substation, forms the rain simultaneously through setting up the weather shield on transformer substation's perisporium, nevertheless, because the weather shield is in transformer board's week side always, can form the cover in transformer board heat dissipation window department and establish to cause the inside natural radiating effect of transformer substation poor, need carry out secondary electric power heat dissipation, extravagant resource.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the defects in the prior art, the invention aims to provide an energy-saving and environment-friendly transformer substation, which can effectively shield rain on the peripheral side of the transformer substation in rainy days, and can be folded in a rain shielding structure in non-rainy days, so that the natural heat dissipation of the transformer substation is not influenced, the secondary power heat dissipation is reduced, and the energy-saving and environment-friendly transformer substation is energy-saving and environment-friendly.

The technical scheme is as follows: the above object of the present invention is achieved by the following technical solutions:

the utility model provides an energy-concerving and environment-protective type transformer substation, includes transformer substation's body and sets up the ceiling on transformer substation's body top, still including setting up the flexible rain shade on the ceiling perisporium all around, flexible rain shade includes a plurality of continuous separation blades of ending in proper order and connects the flexible even piece between adjacent separation blade, be provided with on the ceiling and be used for receiving and releasing the subassembly that receive and releases flexible rain shade.

By adopting the technical scheme, in rainy days, the retractable assembly expands the blocking piece on the telescopic rain shield to cover the telescopic rain shield around the transformer substation body, and the flexible connecting piece and the blocking piece can form sealed protection and can fully shield the transformer substation body from rain; in non-rainy days, the flexible connecting piece is taken as a rotating point, the folding and unfolding assembly folds the blocking piece on the telescopic rain shield, so that the telescopic rain shield is not covered around the transformer substation body any more, and the transformer substation body can normally and naturally radiate heat.

Further, receive and release the subassembly including setting up the direction slide bar of two at least relatively on the ceiling diapire, the direction slide bar is located flexible rain shade inboard, receive and release the subassembly still including articulating the flexible piece of drawing on the lateral wall that separation blade and direction slide bar are relative and set up at the flexible piece of drawing and keep away from the direction sliding ring of separation blade one end, a plurality of direction sliding ring cup joints on the direction slide bar perisporium that corresponds, be provided with on the ceiling and be used for driving the member of ordering about that the guide sliding ring slides along direction slide bar length direction of below.

By adopting the technical scheme, when the driving piece releases the lowest guide sliding ring downwards, the plurality of guide sliding rings can drive the corresponding blocking pieces to move downwards through the telescopic pulling blocks due to the self gravity action of the telescopic rain shield, the telescopic pulling blocks and the guide sliding rings, so that the telescopic rain shield is unfolded; when the driving piece moves the lowest guide sliding ring upwards, the lowest guide sliding ring can gradually support the upper guide sliding ring, so that the plurality of guide sliding rings can drive the corresponding blocking pieces to move upwards through the telescopic pulling blocks, and the telescopic rain shield is folded; meanwhile, when the telescopic rain shield is folded and unfolded, the telescopic pull block can stretch, so that when the telescopic pull block drives the blocking piece to move, a moving space is also provided for the rotation of the blocking piece.

Furthermore, the telescopic pull block comprises a telescopic sleeve and a telescopic rod, a guide groove is formed in the telescopic sleeve, a guide block connected with the guide groove in a sliding mode is arranged at one end, stretching into the telescopic sleeve, of the telescopic rod, the width of the guide block along the circumferential direction of the telescopic sleeve is smaller than that of the guide groove along the circumferential direction of the telescopic sleeve, and the telescopic sleeve and the telescopic rod are connected with the separation blade and the guide sliding ring respectively.

By adopting the technical scheme, the guide block slides in the guide groove, so that the sliding of the telescopic rod in the telescopic sleeve can be conveniently realized, and the telescopic pulling block can be stretched; meanwhile, due to the width arrangement of the guide block and the guide groove, the telescopic rod can rotate in the telescopic sleeve at a certain angle, and the stress action between the telescopic rod and the telescopic sleeve in the telescopic process of the telescopic pulling block can be reduced.

Furthermore, the driving piece comprises a retracting roller and a pull rope, a driving cavity is arranged in the ceiling, a driving through groove is arranged at the position, close to the guide slide bar, of the bottom wall of the driving cavity, the driving through groove is positioned at one side, far away from the telescopic rain shield, of the guide slide bar, the retracting roller is rotatably arranged in the driving cavity, the axis of the retracting roller is arranged along a connecting line vertical to the two opposite guide slide bars, and a driving device for rotating the retracting roller is arranged on the ceiling; the pull rope and the guide slide bar are arranged in a one-to-one correspondence mode, one end of the pull rope is fixedly arranged on the take-up and pay-off roller, the other end of the pull rope stretches out of the drive cavity through the drive through groove, and one end of the pull rope stretching out of the drive cavity is fixedly connected with the guide slide ring which is arranged on the lowest portion of the corresponding guide slide bar.

Through adopting above-mentioned technical scheme, receive and release the roller and rotate, can twine the stay cord to receive and release on the roller, perhaps release the stay cord from receiving and releasing the roller to the stay cord can be received or stretch out and order about the chamber through ordering about the logical groove, can drive the direction sliding ring of below and shift up or descend.

Further, the driving device comprises a solar cell arranged on the upper surface of the ceiling and a driving motor arranged on the ceiling, the solar cell is electrically connected with the driving motor, and the driving end of the driving motor is fixedly connected with the end wall of the take-up and pay-off roller.

By adopting the technical scheme, the solar cell converts solar energy into electric energy for the driving motor to work in the daily work of the transformer substation, so that resources can be saved, and the transformer substation is energy-saving and environment-friendly.

Furthermore, a humidity sensor is arranged on the ceiling and controls the driving motor to work through an automatic controller.

Through taking above-mentioned technical scheme, the moisture sensor is through the water content in the detection air, and then judges whether rainy to can automatic control driving motor work, expand and pack up convenient and fast flexible rain shade.

Furthermore, the bottom wall of the driving cavity is provided with guide wheels through support rods, the guide wheels are arranged in one-to-one correspondence with the pull ropes, and the pull ropes are in lap joint with the side walls of the top ends of the guide wheels.

Through adopting above-mentioned technical scheme, the leading wheel not only can support and lead to the stay cord for the stay cord removes more steadily, can reduce the wearing and tearing that the stay cord received moreover, improves the life of stay cord.

Furthermore, the bottom end of the telescopic rain shield is provided with a weight.

Through adopting above-mentioned technical scheme, increase the gravity of flexible rain shade relatively to make flexible rain shade can launch to the at utmost downwards, carry out more abundant rain sheltering from to the transformer substation body.

Furthermore, a gear retracting cover is arranged on the side wall of the ceiling, which is positioned outside the telescopic rain shield, and when the telescopic rain shield is retracted, the inner side of the telescopic rain shield is positioned inside the gear retracting cover.

By adopting the technical scheme, when the telescopic rain shield is retracted, the retractable rain shield can form protection around the telescopic rain shield, so that the damage of the telescopic rain shield is reduced.

Has the advantages that:

1. the invention utilizes the extension of the telescopic rain shield, can effectively shield rain around the transformer substation in rainy days, and can retract the rain shield structure in non-rainy days, thereby not influencing the natural heat dissipation of the transformer substation, reducing the secondary power heat dissipation, saving energy and protecting environment.

2. According to the invention, the driving device for driving the take-up and pay-off roller to rotate comprises the solar cell and the driving motor, and the solar cell converts solar energy into electric energy for the driving motor to work in the daily work of the transformer substation, so that resources can be saved, and the energy is saved and the environment is protected.

3. In the telescopic pull block, the width of the guide block and the width of the guide groove are set, so that the telescopic rod can rotate in the telescopic sleeve at a certain angle, and the stress action between the telescopic rod and the telescopic sleeve in the telescopic process of the telescopic pull block can be reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Figure 2 is a partial cross-sectional view of a structure embodying the present invention.

Fig. 3 is a partial cross-sectional view of a telescoping pull block configuration embodying the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a substation body; 2. a ceiling; 21. a gear retracting cover; 3. a telescopic rain shield; 31. a baffle plate; 32. a flexible connecting sheet; 33. a vertical weight block; 4. a retraction assembly; 41. a guide slide bar; 42. a telescopic pull block; 421. a telescopic sleeve; 422. a telescopic rod; 423. a guide groove; 424. a guide block; 43. a guide slip ring; 44. an actuating member; 441. a take-up and pay-off roller; 442. pulling a rope; 443. an actuating chamber; 4431. a guide wheel; 4432. a strut; 444. driving the through groove; 445. a drive device; 4451. a solar cell; 4452. a drive motor; 4453. a humidity sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention discloses an energy-saving and environment-friendly transformer substation, which comprises a transformer substation body 1 and a ceiling 2 arranged at the top end of the transformer substation body 1, and further comprises a telescopic rain shield 3 arranged on the peripheral wall of the lower surface of the ceiling 2 in the embodiment, wherein the telescopic rain shield 3 comprises a plurality of blocking pieces 31 sequentially connected end to end and flexible connecting pieces 32 connected between the adjacent blocking pieces 31, the top end of the telescopic rain shield 3 is also connected with the ceiling 2 through the flexible connecting pieces 32, a retractable assembly 4 for retracting the telescopic rain shield 3 is arranged on the ceiling 2, and a retractable cover 21 is arranged at the position, located on the outer side of the telescopic rain shield 3, of the lower surface of the ceiling 2. In non-rainy days, the retractable assembly 4 retracts the retractable rain shield 3 at the inner side of the retractable rain shield 21 at the ceiling 2, namely, the blocking piece 31 is folded together by taking the flexible connecting piece 32 as a rotating point, so that the transformer substation body 1 can work normally and radiate heat normally; if it is rainy, receive and release subassembly 4 and can expand flexible rain shade 3 downwards to flexible rain shade 3 can form the protection of keeping off the rain around transformer substation body 1.

As shown in fig. 2, the retraction assembly 4 includes two guide sliding rods 41 oppositely disposed on two long side walls of the lower surface of the ceiling 2, the guide sliding rods 41 are located inside the retractable rain shade 3 and extend in the vertical direction, the retraction assembly 4 further includes a retractable pull block 42 hinged to the side wall of the blocking piece 31 opposite to the guide sliding rods 41 and a guide sliding ring 43 fixedly disposed at one end of the retractable pull block 42 away from the blocking piece 31, in this embodiment, the guide sliding rings 43, the blocking pieces 31 and the retractable pull blocks 42 are disposed in a one-to-one correspondence manner, the retractable pull block 42 extends and retracts in a line direction between the blocking piece 31 and the retractable pull block 42, meanwhile, the guide sliding rings 43 are all sleeved on the peripheral walls of the corresponding guide sliding rods 41 and slide on the guide sliding rods 41, and the ceiling 2 is further mounted with an actuating member 44 for driving the lowermost guide sliding ring 43 to slide in. When the telescopic rain shield 3 needs to be unfolded, as long as the actuating piece 44 is started, the actuating piece 44 drives the guide sliding ring 43 to move downwards along the guide sliding rod 41, the corresponding blocking pieces 31 can be sequentially unfolded under the driving of the telescopic pull block 42, and the telescopic rain shield 3 can form rain shielding around the transformer substation body 1. When not raining, as long as start order about piece 44 for the guiding slip ring 43 of below shifts up, thereby the guiding slip ring 43 of below can hold up the guiding slip ring 43 of top, thereby guiding slip ring 43 can drive corresponding separation blade 31 and shift up, makes separation blade 31 use flexible even piece 32 to fold together as the pivot, thereby receives flexible rain shade 3 in ceiling 2 department, can not influence the heat dissipation of transformer substation body 1.

As shown in fig. 3, in the present embodiment, each telescopic pulling block 42 includes a telescopic sleeve 421 and a telescopic rod 422, the telescopic sleeve 421 is hinged on the blocking plate 31, and the telescopic rod 422 is fixedly connected with the guiding sliding ring 43; connect in the telescopic sleeve 421 and cave in along length direction and be provided with a guide way 423, telescopic link 422 stretches into telescopic sleeve 421's one end an organic whole and is connected with a guide block 424, and guide block 424 slides with guide way 423 and is connected, and the width of guide block 424 along telescopic sleeve 421 circumference is less than the width of guide way 423 along telescopic sleeve 421 circumference moreover. In the process of folding or unfolding the blocking piece 31, the guide block 424 slides in the guide groove 423, and the telescopic pull block 42 stretches to provide a displacement space for the blocking piece 31; meanwhile, the telescopic rod 422 can move circumferentially in the telescopic sleeve 421 for a certain distance, so that the stress action between the telescopic rod 422 and the telescopic sleeve 421 is reduced.

As shown in fig. 2 and 4, a driving cavity 443 is formed in the ceiling 2, a driving through groove 444 penetrates downward from a position of the bottom wall of the driving cavity 443 close to the guide sliding rod 41, and the driving through groove 444 is located on a side of the guide sliding rod 41 away from the retractable rain shield 3. The driving member 44 comprises a receiving and releasing roller 441 and a pulling rope 442, the receiving and releasing roller 441 is rotatably arranged in the driving cavity 443, the axis of the receiving and releasing roller 441 is arranged along a connecting line vertical to the two opposite guide sliding rods 41, and a driving device 445 for rotating the receiving and releasing roller 441 is further arranged on the ceiling 2. The pull ropes 442 are disposed in one-to-one correspondence with the guide sliding rods 41, one end of each pull rope 442 is fixedly disposed on the take-up and pay-off roller 441, the other end of each pull rope 442 extends out of the driving cavity 443 through the driving through groove 444, and one end of each pull rope 442 extending out of the driving cavity 443 is fixedly connected to the corresponding guide sliding ring 43 at the lowest position on the guide sliding rod 41. Meanwhile, a strut 4432 is arranged at the position of the bottom wall of the driving cavity 443 close to the driving through groove 444, a guide wheel 4431 corresponding to the pull rope 442 in a one-to-one mode is rotatably arranged at the top end of the strut 4432, and the pull rope 442 is lapped at the top end of the guide wheel 4431 in the moving process. In this embodiment, a weight 33 is integrally connected to the bottom end of the retractable rain cover 3. When the telescopic rain shield 3 needs to be unfolded, the driving device 445 is started, the retracting roller 441 is rotated forward, and the pulling rope 442 is released from the retracting roller 441, so that the guiding sliding ring 43 extends to lead the sliding rod 41 to move downwards under the gravity action of the telescopic rain shield 3, the telescopic pull block 42, the guiding sliding ring 43 and the vertical weight 33, and the telescopic rain shield 3 is unfolded; when the rain does not fall, the driving device 445 is started, the retracting roller 441 is rotated reversely, the pulling rope 442 is retracted on the retracting roller 441, and the pulling rope 442 can drive the lowest lower guide slide ring 43 to move upwards until the telescopic rain shield 3 is retracted.

As shown in fig. 2 and 4, the driving device 445 in this embodiment includes a solar cell 4451 disposed on the upper surface of the ceiling 2 and a driving motor 4452 installed in the driving cavity 443, the solar cell 4451 is electrically connected to the driving motor 4452, the driving end of the driving motor 4452 is fixedly connected to the end wall of the retracting roller 441, and a humidity sensor 4453 (see fig. 1) is also installed on the ceiling 2. In the daily work of the substation body 1, the solar battery 4451 converts solar energy into electric energy to provide electric power for the operation of the driving motor 4452, once the driving cavity 443 detects that the moisture in the air is too high, the humidity sensor 4453 controls the operation of the driving motor 4452 through an automatic controller, the driving motor 4452 drives the retracting roller 441 to rotate, the telescopic rain shield 3 is unfolded, and the rain shield of the substation body 1 is conveniently realized.

The working process is as follows:

in non-rainy days, the pull rope 442 is wound on the winding and unwinding roller 441, the blocking pieces 31 are folded together, the telescopic rain shield 3 is folded at the inner side of the folding and unwinding cover 21 at the ceiling 2, and the transformer substation body 1 can normally work and normally dissipate heat; if the transformer substation body 1 is rainy, the driving motor 4452 drives the winding and unwinding roller 441 to rotate, the pull rope 442 is released from the winding and unwinding roller 441, and therefore the telescopic rain shield 3 is unfolded downwards, and rain shielding protection can be formed around the transformer substation body 1.

The embodiments of the present invention are described in order to explain the technical concept and features of the present invention, and it is intended to enable one skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the scope of the present invention accordingly, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides an energy-concerving and environment-protective type transformer substation, includes transformer substation body (1) and ceiling (2) of setting on transformer substation body (1) top, its characterized in that still includes flexible rain shade (3) of setting on ceiling (2) perisporium all around, flexible rain shade (3) include a plurality of head and the tail's separation blade (31) in proper order and connect flexible even piece (32) between adjacent separation blade (31), be provided with on ceiling (2) and be used for receiving and releasing subassembly (4) that receive and release flexible rain shade (3).

2. An energy-saving and environment-friendly substation according to claim 1, characterized in that the retracting and releasing assembly (4) comprises at least two guide slide bars (41) oppositely arranged on the bottom wall of the ceiling (2), the guide slide bars (41) are positioned inside the telescopic rain shield (3), the retracting and releasing assembly (4) further comprises a telescopic pull block (42) hinged on the side wall of the blocking piece (31) opposite to the guide slide bars (41) and a guide slide ring (43) arranged at one end of the telescopic pull block (42) far away from the blocking piece (31), a plurality of guide slide rings (43) are sleeved on the peripheral wall of the corresponding guide slide bars (41), and the ceiling (2) is provided with an actuating member (44) for driving the lowermost guide slide ring (43) to slide along the length direction of the guide slide bars (41).

3. An energy-saving and environment-friendly substation according to claim 2, characterized in that the telescopic pull block (42) comprises a telescopic sleeve (421) and a telescopic rod (422), a guide groove (423) is arranged in the telescopic sleeve (421), a guide block (424) connected with the guide groove (423) in a sliding manner is arranged at one end of the telescopic rod (422) extending into the telescopic sleeve (421), the width of the guide block (424) along the circumferential direction of the telescopic sleeve (421) is smaller than the width of the guide groove (423) along the circumferential direction of the telescopic sleeve (421), and the telescopic sleeve (421) and the telescopic rod (422) are respectively connected with the blocking piece (31) and the guide sliding ring (43).

4. An energy-saving and environment-friendly substation according to claim 2, characterized in that the actuating member (44) comprises a take-up and pay-off roller (441) and a pull rope (442), an actuating cavity (443) is arranged in the ceiling (2), an actuating through slot (444) is arranged at a position of the bottom wall of the actuating cavity (443) close to the guide slide bar (41), the actuating through slot (444) is positioned at one side of the guide slide bar (41) far away from the telescopic rain shield (3), the take-up and pay-off roller (441) is rotatably arranged in the actuating cavity (443), the axis of the take-up and pay-off roller (441) is arranged along a connecting line perpendicular to the two opposite guide slide bars (41), and a drive device (445) for rotating the take-up and pay-off roller (441) is arranged on the ceiling; the pull ropes (442) and the guide sliding rods (41) are arranged in a one-to-one correspondence mode, one ends of the pull ropes (442) are fixedly arranged on the take-up and pay-off rollers (441), the other ends of the pull ropes (442) extend out of the driving cavities (443) through the driving through grooves (444), and one ends of the pull ropes (442) extending out of the driving cavities (443) are fixedly connected with the guide sliding rings (43) which are arranged on the lowest portion of the corresponding guide sliding rods (41).

5. An energy-saving and environment-friendly substation according to claim 4, characterized in that the driving device (445) comprises a solar battery (4451) arranged on the upper surface of the ceiling (2) and a driving motor (4452) arranged on the ceiling (2), the solar battery (4451) is electrically connected with the driving motor (4452), and the driving end of the driving motor (4452) is fixedly connected with the end wall of the take-up and pay-off roller (441).

6. An energy-saving and environment-friendly substation according to claim 5, characterized in that a humidity sensor (4453) is arranged on the ceiling (2), and the humidity sensor (4453) controls the operation of the driving motor (4452) through an automatic controller.

7. An energy-saving and environment-friendly substation according to claim 3, characterized in that the bottom wall of the driving cavity (443) is provided with guide wheels (4431) through support rods (4432), the guide wheels (4431) are arranged in one-to-one correspondence with the pull ropes (442), and the pull ropes (442) are overlapped with the top side walls of the guide wheels (4431).

8. An energy-saving and environment-friendly substation according to claim 1, characterized in that the bottom end of the telescopic rain shield (3) is provided with a vertical weight (33).

9. An energy-saving and environment-friendly substation according to claim 1, characterized in that a gear-retracting cover (21) is arranged on the side wall of the ceiling (2) outside the telescopic rain shield (3), and when the telescopic rain shield (3) is retracted, the inner side of the telescopic rain shield (3) is located inside the gear-retracting cover (21).

Images