Self-service cleaner for building curtain wall

Abstract

The utility model relates to the technical field of buildings, and provides a building curtain wall self-service cleaner which comprises an operation box, a transmission assembly is arranged in the operation box and used for cleaning a curtain wall back and forth, a supporting assembly is arranged at the upper end of the transmission assembly and used for supporting a cleaning device, and a lifting assembly is arranged at the upper end of the supporting assembly and used for lifting the cleaning device. The lifting assembly is arranged at the top end of the operation box and used for lifting and cleaning a curtain wall, the cleaning assembly is arranged at the top end of the lifting assembly and used for cleaning the curtain wall, the descaling assembly is arranged at the upper end of the cleaning assembly and used for removing dirt on the surface of the curtain wall, and the fixing assembly is arranged on the rear side of the operation box and used for fixing the operation box. The stability of the device is improved, meanwhile, the cleaning assembly is driven by the output end of the electric telescopic rod to conduct cleaning, so that the automatic cleaning process is completed, a new round of cleaning is conducted under driving of the motor, and the device completes cleaning of the curtain wall under the condition that a user does not need to manually lift the curtain wall.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, and in particular to a self-service cleaner for building curtain walls. Background Art

[0002] Curtain wall is the outer wall of the building, which is non-load-bearing and is hung like a curtain, so it is also called "curtain wall". It is a lightweight wall with decorative effect commonly used in modern large and high-rise buildings. It is composed of panels and supporting structure systems, and can have a certain displacement ability relative to the main structure or a certain deformation ability itself, and is an external protective structure or decorative structure of the building that does not bear the effects of the main structure (the external wall frame support system is also a type of curtain wall system).

[0003] A Chinese patent discloses a building curtain wall cleaning device, the publication number is CN219387302U, and the article proposes "a building curtain wall cleaning device, including a water tank, a water pump is fixedly connected to the top of the water tank, a water pump is fixedly connected to the front of the water pump, a water outlet pipe is fixedly connected to the left side of the water pump, the water outlet pipe runs through the top of the water tank and extends to the inside thereof, a connecting sleeve is sleeved at the end of the water outlet pipe away from the water pump, a cleaning mechanism is arranged at the top of the connecting sleeve, a storage mechanism is arranged on the left side of the water tank and the outer wall of the connecting sleeve, the cleaning mechanism includes a nozzle, the nozzle is fixedly connected to the top of the connecting sleeve, and a fixed frame is fixedly connected to the front of the nozzle. The building curtain wall cleaning device, through the cleaning mechanism, the water pump boosts the cleaning solution blended in the water tank Into the interior of the nozzle, and then the cleaning cotton can be evenly stained with the cleaning solution. The staff does not need to place the cleaning cotton in the cleaning solution to soak it back and forth, which is convenient for the staff to use and can achieve good cleaning efficiency. During use, the above utility model extracts water from the water tank through a water pump, so that the water passes into the storage mechanism and is sprayed out by the nozzle. However, the water tank of the device is large and inconvenient to carry. When the user performs self-service cleaning, the lifting mechanism is required to move the curtain wall for cleaning. Due to the limited load-bearing capacity of the lifting mechanism, the larger water tank cannot be carried, and thus the device cannot be used for self-service cleaning of the curtain wall. Therefore, it is very necessary to design a self-service cleaner for building curtain walls. Utility Model Content

[0004] The utility model aims to provide a self-service cleaner for building curtain walls, which solves the problem in the related art that the water tank of the device is large and inconvenient to carry, and when the user performs self-cleaning, the curtain wall needs to be moved by a lifting mechanism to clean the curtain wall. Due to the limited load-bearing capacity of the lifting mechanism, the large water tank cannot be carried, and thus the device cannot be used for self-cleaning of the curtain wall.

[0005] The technical solution of the utility model is as follows:

[0006] A self-service cleaner for building curtain walls comprises an operating box, wherein a transmission assembly is arranged inside the operating box for cleaning the curtain wall back and forth, a support assembly is arranged at the upper end of the transmission assembly for supporting a cleaning device, a lifting assembly is arranged at the upper end of the support assembly for lifting and lowering the curtain wall for cleaning, a cleaning assembly is arranged at the top end of the lifting assembly for cleaning the curtain wall, a descaling assembly is arranged at the upper end of the cleaning assembly for removing dirt on the surface of the curtain wall, and a fixing assembly is arranged at the rear side of the operating box for fixing the operating box.

[0007] The transmission assembly includes a motor installed on the left inner wall of the operating box, the output end of the motor is fixedly connected to a screw rod, the outer wall of the screw rod is threadedly connected to a threaded sleeve, the right end of the screw rod is rotatably connected to a shaft sleeve, the right end outer wall of the shaft sleeve is fixedly connected to the inner wall of the operating box, the bottom outer wall of the threaded sleeve is fixedly connected to a connecting rod, the connecting rod passes through the bottom outer wall of the operating box and is slidably connected thereto.

[0008] Preferably, the support assembly includes a support rod fixedly connected to the other end of the connecting rod, handles are symmetrically fixedly connected to both sides of the support rod, two sliders are fixedly connected to the bottom end of the support rod, a sliding groove is provided on the top outer wall of the operating box, and the two sliders are slidably connected to the inner wall of the sliding groove.

[0009] Preferably, the lifting assembly comprises an electric telescopic rod fixedly connected to the outer wall of the top end of the support rod, the outer wall of the electric telescopic rod is provided with a telescopic sleeve, and the bottom end of the telescopic sleeve is fixedly connected to the outer wall of the top end of the support rod.

[0010] Preferably, the descaling assembly includes a first fixed plate fixedly connected to the outer wall of the bottom left end of the operating box, a cleaning bottle is provided on the top outer wall of the first fixed plate, a first clamping block is fixedly connected to the right side of the cleaning bottle, the first clamping block is clamped and connected to the left outer wall of the operating box, a liquid inlet is provided on the top of the cleaning bottle, and a threaded cover is threadedly connected to the top outer wall of the liquid inlet.

[0011] Preferably, the descaling component also includes a first infusion tube connected to the interior of the cleaning bottle, a first water pump is installed on the outer wall of the first infusion tube, the other end of the first infusion tube is connected to a liquid storage tank, the front end of the liquid storage tank is connected to a plurality of first nozzles, the plurality of first nozzles are horizontally equidistantly distributed at the front end of the liquid storage tank, and a silicone scraper is fixedly connected to the bottom end of the liquid storage tank.

[0012] Preferably, the cleaning assembly also includes an atomizing chamber fixedly connected to the outer wall of the bottom end of the silicone scraper, the front end of the atomizing chamber is connected to a plurality of second nozzles, and the plurality of second nozzles are horizontally and equidistantly distributed at the front end of the atomizing chamber, the bottom end of the atomizing chamber is fixedly connected to the output end of the electric telescopic rod, and the bottom outer wall of the atomizing chamber is fixedly connected to the top outer wall of the telescopic sleeve.

[0013] Preferably, the cleaning component is also connected to the second infusion tube inside the atomization chamber, a second water pump is installed on the outer wall of the second infusion tube, the other end of the second infusion tube is connected to a liquid outlet, the bottom end of the liquid outlet is fixedly connected to a water storage bottle, the left end outer wall of the water storage bottle is fixedly connected to a second clamping block, the second clamping block is clamped and connected to the right end outer wall of the operation box, a second support plate is provided at the bottom end of the water storage bottle, and the left end of the second support plate is fixedly connected to the right end outer wall of the operation box.

[0014] Preferably, the fixing assembly further comprises a fixing seat fixedly connected to the rear end outer wall of the operation box, the rear end outer wall of the fixing seat is fixedly connected to two fixing arcs, and the two fixing arcs are vertically equidistantly distributed on the outer wall of the fixing seat.

[0015] Beneficial effects of the utility model:

[0016] By turning on the first water pump, the cleaning liquid is pumped out from the cleaning bottle, transported through the first infusion tube, and enters the liquid storage tank, and is sprayed to the curtain wall by the first nozzle. At this time, the dissolved dirt on the surface of the curtain wall is scraped off by the silicone scraper, and the electric telescopic rod is started at the same time. The atomizing chamber, the silicone scraper and the liquid storage tank are driven to move upward through the output end of the electric telescopic rod. At the same time, the second water pump is started, and the cleaning water is pumped out from the water storage bottle by the second water pump, transmitted to the inside of the atomizing chamber through the second infusion tube and sprayed out by the second nozzle, thereby clearing the cleaned position, and then the motor is used to clean the atomizing chamber. The output end of the electric telescopic rod drives the screw rod to rotate, so that the liquid storage tank, the silicone scraper and the atomization chamber move to new positions for a new round of cleaning. In this way, the device is tied to the user's waist to increase the stability of the device. At the same time, the output end of the electric telescopic rod drives the cleaning component to clean, thereby completing the automatic cleaning process, and a new round of cleaning is carried out under the drive of the motor, so that the device can complete the cleaning of the curtain wall without the need for manual lifting by the user. At the same time, the water storage bottle and the cleaning bottle are easy to carry and easy to replace with new liquid, thereby improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the rear view part of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the operating box of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional three-dimensional structure of the telescopic sleeve of the utility model;

[0022] In the figure: 1. operating box; 2. transmission assembly; 201. motor; 202. screw rod; 203. threaded sleeve; 204. sleeve; 205. connecting rod; 3. support assembly; 301. support rod; 302. slider; 303. slideway; 304. handle; 4. lifting assembly; 401. electric telescopic rod; 402. telescopic sleeve; 5. descaling assembly; 501. first fixed plate; 502. cleaning bottle; 503. liquid inlet; 504, threaded cover; 505, first infusion tube; 506, first water pump; 507, liquid storage tank; 508, first nozzle; 509, silicone scraper; 6, cleaning component; 601, atomizing chamber; 602, second nozzle; 603, second infusion tube; 604, second water pump; 605, liquid outlet; 606, water storage bottle; 607, second support plate; 7, fixing component; 701, fixing seat; 702, fixing arc. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-4As shown, this embodiment proposes a self-service cleaner for building curtain walls, including an operation box 1, a transmission assembly 2 is arranged inside the operation box 1, and is used to clean the curtain wall back and forth, a support assembly 3 is arranged at the upper end of the transmission assembly 2, and is used to support the cleaning device, a lifting assembly 4 is arranged at the upper end of the support assembly 3, and is used to lift and clean the curtain wall, a cleaning assembly 6 is arranged at the top of the lifting assembly 4, and is used to clean the curtain wall, a descaling assembly 5 is arranged at the upper end of the cleaning assembly 6, and is used to remove dirt on the surface of the curtain wall, and a fixing assembly 7 is arranged at the rear side of the operation box 1, and is used to The operation box 1 is fixed, and the transmission component 2 includes a motor 201 installed on the inner wall of the left side of the operation box 1. The output end of the motor 201 is fixedly connected to a screw rod 202, and the outer wall of the screw rod 202 is threadedly connected to a threaded sleeve 203. The right end of the screw rod 202 is rotatably connected to a shaft sleeve 204. The right end outer wall of the shaft sleeve 204 is fixedly connected to the inner wall of the operation box 1. The bottom outer wall of the threaded sleeve 203 is fixedly connected to a connecting rod 205. The connecting rod 205 penetrates the bottom outer wall of the operation box 1 and is slidably connected thereto. The support component 3 includes a support fixedly connected to the other end of the connecting rod 205. The support rod 301 has handles 304 symmetrically fixedly connected on both sides of the support rod 301, which is convenient for the user to stabilize the device by holding the handles 304 when needed. The bottom end of the support rod 301 is fixedly connected with two sliders 302. The top outer wall of the operating box 1 is provided with a slide groove 303. The two sliders 302 are slidably connected with the inner wall of the slide groove 303. The bottom outer wall of the operating box 1 is provided with a right track, so that the connecting rod 205 can move horizontally to the left or right on the track. When the screw rod 202 drives the threaded sleeve 203 to move, the threaded sleeve 203 is used to move the threaded sleeve 203. The connecting rod 205 is driven to move, and the connecting rod 205 is restricted on the track. Therefore, the threaded sleeve 203 is driven by the screw rod 202 to move horizontally to the left or right, so that the threaded sleeve 203 drives the connecting rod 205 to move horizontally to the left or right on the track, and the connecting rod 205 drives the support rod 301 to move horizontally to the left or right, and the support rod 301 drives the slider 302 to slide to the left or right in the slide groove 303, so that the slider 302 supports and reinforces the support rod 301, thereby making the movement of the support rod 301 more stable.

[0025] like Figure 2-4As shown, the lifting component 4 includes an electric telescopic rod 401 fixedly connected to the outer wall of the top end of the support rod 301, the outer wall of the electric telescopic rod 401 is provided with a telescopic sleeve 402, and the bottom end of the telescopic sleeve 402 is fixedly connected to the outer wall of the top end of the support rod 301, and the descaling component 5 includes a first fixed plate 501 fixedly connected to the outer wall of the bottom end of the left side of the operation box 1, the top outer wall of the first fixed plate 501 is provided with a cleaning bottle 502, the right side of the cleaning bottle 502 is fixedly connected with a first clamping block, the first clamping block is clamped and connected with the outer wall of the left side of the operation box 1, the top of the cleaning bottle 502 is provided with a liquid inlet 503, and the top outer wall of the liquid inlet 503 is threadedly connected with a threaded cover 504, the descaling component 5 also includes a first infusion tube 505 connected to the inside of the cleaning bottle 502, the outer wall of the first infusion tube 505 is installed with a first water pump 506, the other end of the first infusion tube 505 is connected to a liquid storage tank 507, and the front end of the liquid storage tank 507 is connected to a plurality of first nozzles 50 8. Several first nozzles 508 are horizontally and equidistantly distributed at the front end of the liquid storage tank 507. The bottom end of the liquid storage tank 507 is fixedly connected with a silicone scraper 509. When the output end of the electric telescopic rod 401 moves upward, the output end of the electric telescopic rod 401 drives the atomization chamber 601 to move upward, so that the telescopic sleeve 402 moves upward together with the output end of the electric telescopic rod 401, so that the telescopic sleeve 402 protects the electric telescopic rod 401 during the upward movement. The first infusion tube 505 is an elastic hose, which is convenient for the device to be moved and cleaned. When the liquid in the cleaning bottle 502 is used up, the cleaning bottle 502 is removed from the operation box 1, and the threaded cover 504 is opened by rotating, and new cleaning liquid is poured into the cleaning bottle 502 through the liquid inlet 503, and then the threaded cover 504 is fixed to the outside of the liquid inlet 503 by threads, so as to complete the replacement of the new cleaning liquid. At this time, the cleaning bottle 502 is clamped on the outside of the operation box 1.

[0026] like Figure 1-3As shown, the cleaning component 6 also includes an atomizing chamber 601 fixedly connected to the outer wall of the bottom end of the silicone scraper 509, and the front end of the atomizing chamber 601 is connected to a plurality of second nozzles 602, and the plurality of second nozzles 602 are horizontally and equidistantly distributed at the front end of the atomizing chamber 601. The bottom end of the atomizing chamber 601 is fixedly connected to the output end of the electric telescopic rod 401, and the outer wall of the bottom end of the atomizing chamber 601 is fixedly connected to the outer wall of the top end of the telescopic sleeve 402. The cleaning component 6 is also connected to the atomizing chamber The second infusion tube 603 inside 601, the outer wall of the second infusion tube 603 is installed with a second water pump 604, the other end of the second infusion tube 603 is connected with a liquid outlet 605, the bottom end of the liquid outlet 605 is fixedly connected with a water storage bottle 606, the left end outer wall of the water storage bottle 606 is fixedly connected with a second clamping block, the second clamping block is clamped and connected with the right end outer wall of the operation box 1, the bottom end of the water storage bottle 606 is provided with a second support plate 607, the second support plate 607 The left end is fixedly connected to the outer wall of the right end of the operation box 1, and the fixing component 7 also includes a fixing seat 701 fixedly connected to the outer wall of the rear end of the operation box 1. The outer wall of the rear end of the fixing seat 701 is fixedly connected to two fixing arcs 702. The two fixing arcs 702 are vertically equidistantly distributed on the outer wall of the fixing seat 701. The fixing arc 702 is designed to fit the curvature of the human body. At the same time, a small hole is opened at the rear end to facilitate the user to thread a rope and fix it. The second infusion tube 603 of the fixed arc 702 is an elastic hose, which is convenient for the device to be moved and cleaned. When the clean water in the water storage bottle 606 of the device is used up, the water storage bottle 606 is removed from the operation box 1, and the liquid outlet 605 is separated from the second infusion tube 603 by rotation, and new clean water is poured into the water storage bottle 606 through the liquid outlet 605, and the second infusion tube 603 and the liquid outlet 605 are fixed by threads, and the water storage bottle 606 is clamped on the outer wall of the operation box 1 to complete the replacement.

[0027] In the present embodiment, when in use, the fixed rope is first passed through the small hole at the rear end of the fixed arc 702 so that the fixed rope is fixed to the waist of the user, and then the first water pump 506 is started, and the cleaning liquid in the cleaning bottle 502 is driven by the first water pump 506 to enter the first infusion tube 505, and at the same time enter the liquid storage tank 507 through the first infusion tube 505, and then enter the first nozzle 508 through the liquid storage tank 507, and is sprayed onto the surface of the curtain wall by the first nozzle 508. At this time, the electric telescopic rod 401 is started, so that the output end of the electric telescopic rod 401 drives the second infusion tube 603 to move upward, and drives the silicone scraper 509 to move upward through the second infusion tube 603, and the curtain wall surface where the cleaning liquid is located is cleaned and scraped by the silicone scraper 509, and at the same time, the liquid storage tank 507 is driven upward by the silicone scraper 509, so that the liquid storage tank 507 drives the first nozzle 508 to continue to spray the cleaning liquid upward. After the scraping work, it is started so that the water storage bottle 606 The internal water flows into the second infusion tube 603, and enters the atomization chamber 601 through the second infusion tube 603 to be atomized. At the same time, the atomized water droplets are sprayed out through the second nozzle 602, so that the water droplets are sprayed to the scraped and cleaned position, thereby cleaning the position. After the cleaning in the vertical direction is completed, the motor 201 is started, so that the motor 201 drives the screw rod 202 to rotate in the water, so that the threaded sleeve 203 drives the screw rod 202 to move, and the threaded sleeve 203 drives the screw rod 202 to move. 03 drives the connecting rod 205 to move left or right on the operating box 1, and drives the supporting rod 301 to move left or right through the connecting rod 205, so that the supporting rod 301 drives the sliding block 302 to move left or right on the sliding groove 303, so that the supporting rod 301 drives the electric telescopic rod 401 to move left or right, so that the output end of the electric telescopic rod 401 drives the liquid storage tank 507, the silicone scraper 509 and the atomization chamber 601 to move left or right and clean the next position.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-service building curtain wall cleaner, comprising an operating box (1), characterized in that: The operating box (1) is provided with a transmission assembly (2) inside thereof for cleaning the curtain wall back and forth; the transmission assembly (2) is provided with a support assembly (3) at the upper end thereof for supporting a cleaning device; the support assembly (3) is provided with a lifting assembly (4) at the upper end thereof for lifting and lowering the curtain wall for cleaning; the lifting assembly (4) is provided with a cleaning assembly (6) at the top end thereof for cleaning the curtain wall; the cleaning assembly (6) is provided with a descaling assembly (5) at the upper end thereof for removing dirt from the surface of the curtain wall; and the operating box (1) is provided with a fixing assembly (7) at the rear side thereof for fixing the operating box (1); The transmission assembly (2) comprises a motor (201) mounted on the left inner wall of the operating box (1); the output end of the motor (201) is fixedly connected to a screw rod (202); the outer wall of the screw rod (202) is threadedly connected to a threaded sleeve (203); the right end of the screw rod (202) is rotatably connected to a shaft sleeve (204); the right end outer wall of the shaft sleeve (204) is fixedly connected to the inner wall of the operating box (1); the bottom outer wall of the threaded sleeve (203) is fixedly connected to a connecting rod (205); the connecting rod (205) passes through the bottom outer wall of the operating box (1) and is slidably connected thereto.

2. A self-service building curtain wall cleaner according to claim 1, characterized in that: The support assembly (3) comprises a support rod (301) fixedly connected to the other end of the connecting rod (205), handles (304) are symmetrically fixedly connected to both sides of the support rod (301), two sliders (302) are fixedly connected to the bottom end of the support rod (301), a slide groove (303) is provided on the top outer wall of the operation box (1), and the two sliders (302) are slidably connected to the inner wall of the slide groove (303).

3. A self-service building curtain wall cleaner according to claim 2, characterized in that: The lifting assembly (4) comprises an electric telescopic rod (401) fixedly connected to the outer wall of the top end of the support rod (301); the outer wall of the electric telescopic rod (401) is provided with a telescopic sleeve (402); the bottom end of the telescopic sleeve (402) is fixedly connected to the outer wall of the top end of the support rod (301).

4. The self-service building curtain wall cleaner according to claim 1, characterized in that: The descaling assembly (5) comprises a first fixed plate (501) fixedly connected to the outer wall of the bottom left side of the operation box (1); a cleaning bottle (502) is arranged on the outer wall of the top end of the first fixed plate (501); a first engaging block is fixedly connected to the right side of the cleaning bottle (502); the first engaging block is engaged with the outer wall of the left side of the operation box (1); a liquid inlet (503) is arranged on the top end of the cleaning bottle (502); a threaded cover (504) is threadedly connected to the outer wall of the top end of the liquid inlet (503).

5. A self-service building curtain wall cleaner according to claim 4, characterized in that: The descaling assembly (5) further comprises a first liquid infusion tube (505) connected to the interior of the cleaning bottle (502); a first water pump (506) is installed on the outer wall of the first liquid infusion tube (505); the other end of the first liquid infusion tube (505) is connected to a liquid storage tank (507); the front end of the liquid storage tank (507) is connected to a plurality of first spray heads (508); the plurality of first spray heads (508) are horizontally equidistantly distributed at the front end of the liquid storage tank (507); and a silicone scraper (509) is fixedly connected to the bottom end of the liquid storage tank (507).

6. A self-service building curtain wall cleaner according to claim 5, characterized in that: The cleaning component (6) further comprises an atomizing chamber (601) fixedly connected to the outer wall of the bottom end of the silicone scraper (509); the front end of the atomizing chamber (601) is connected to a plurality of second nozzles (602); the plurality of second nozzles (602) are horizontally and equidistantly distributed at the front end of the atomizing chamber (601); the bottom end of the atomizing chamber (601) is fixedly connected to the output end of the electric telescopic rod (401); and the outer wall of the bottom end of the atomizing chamber (601) is fixedly connected to the outer wall of the top end of the telescopic sleeve (402).

7. A self-service building curtain wall cleaner according to claim 6, characterized in that: The cleaning component (6) is also connected to a second liquid infusion tube (603) inside the atomizing chamber (601); a second water pump (604) is installed on the outer wall of the second liquid infusion tube (603); the other end of the second liquid infusion tube (603) is connected to a liquid outlet (605); the bottom end of the liquid outlet (605) is fixedly connected to a water storage bottle (606); the left end outer wall of the water storage bottle (606) is fixedly connected to a second snap-fit ​​block; the second snap-fit ​​block is snap-fitted to the right end outer wall of the operation box (1); a second support plate (607) is provided at the bottom end of the water storage bottle (606); the left end of the second support plate (607) is fixedly connected to the right end outer wall of the operation box (1).

8. The self-service building curtain wall cleaner according to claim 1, characterized in that: The fixing assembly (7) further comprises a fixing seat (701) fixedly connected to the rear end outer wall of the operation box (1), the rear end outer wall of the fixing seat (701) being fixedly connected to two fixing arcs (702), the two fixing arcs (702) being vertically equidistantly distributed on the outer wall of the fixing seat (701).

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