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CN-224212228-U - Elevator car roof system

CN224212228UCN 224212228 UCN224212228 UCN 224212228UCN-224212228-U

Abstract

The elevator car roof system comprises a car roof with an air outlet, a cross flow fan and a fan support, wherein the fan support comprises two guide rail plates fixed on the upper surface of the car roof and positioned on two sides of the width of the air outlet, a sliding frame locked on the two guide rail plates through a plurality of locking components and used for installing the cross flow fan, the cross flow fan is positioned right above the air outlet, the sliding frame can be lowered to a replacement position along the guiding direction of the guide rail plates when the locking components are in an unlocking state, the cross flow fan is positioned below the air outlet when the sliding frame is in the replacement position, and a limiting component used for enabling the sliding frame to be kept in the replacement position is further included. According to the utility model, when the fan breaks down, workers can be allowed to stand in the car to directly replace the fan, the replacement process is more convenient, meanwhile, the replacement work of the fan can be completed under the condition of not interrupting the operation of the elevator, and the fan is ensured not to occupy the space of the car when in normal use.

Inventors

  • TAO ZHIYAO
  • QIAN ZHIXUE
  • QIAN JIANMING

Assignees

  • 浙江恒达富士电梯工程有限公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (9)

  1. 1. An elevator car roof system comprises a car roof plate (1) with an air outlet (11), a cross flow fan (2) and a fan bracket (3), and is characterized in that the fan bracket (3) comprises two guide rail plates (31) which are fixed on the upper surface of the car roof plate (1) and are positioned on two sides of the width of the air outlet (11), a sliding frame (32) which is locked on the two guide rail plates (31) through a plurality of locking assemblies (33) and is used for installing the cross flow fan (2), the cross flow fan (2) is positioned right above the air outlet (11), the sliding frame (32) descends to a replacement position along the guiding direction of the guide rail plates (31) when the locking assemblies (33) are in an unlocking state, and the cross flow fan (2) descends to the right below the air outlet (11) when the sliding frame (32) descends to the replacement position; A stop assembly (34) is also included for maintaining the carriage (32) in the replacement position.
  2. 2. An elevator car roof system according to claim 1, characterized in that the sliding frame (32) comprises two sliding side plates (321), the two sliding side plates (321) are respectively arranged on the two guide rail plates (31) in a sliding manner, the two sliding side plates (321) are fixedly connected with a fan mounting plate (322) for mounting the cross-flow fan (2), and the sliding side plates (321) are positioned above the air outlet (11) when the cross-flow fan (2) is positioned above the air outlet (11).
  3. 3. An elevator car roof system according to claim 2, characterized in that the guide rail plate (31) is provided with a plurality of vertical sliding grooves (311), and the sliding side plate (321) is provided with a slider portion (3211) cooperating with a plurality of the vertical sliding grooves (311).
  4. 4. An elevator car roof system according to claim 1, characterized in that the limit assembly (34) comprises a hooking rod comprising a transverse hooking portion (341) for hooking the edge portion of the air outlet (11) and a vertical portion (342) connected to the transverse hooking portion (341) and to the sliding frame (32).
  5. 5. An elevator car roof system according to claim 1, characterized in that the guide rail plate (31) is provided laterally with a plurality of stiffening plates (35) supporting the guide rail plate (31).
  6. 6. The elevator car roof system according to claim 1, wherein the locking assembly (33) comprises a locking rod (331), a locking rod mounting seat (332) fixed on the upper surface of the car roof (1) and allowing the locking rod (331) to pass through, a spring (333) is sleeved on the locking rod (331), a spring seat (3311) is further arranged on the locking rod (331), one end of the spring (333) abuts against the locking rod mounting seat (332), the other end abuts against the spring seat (3311), and a locking hole (320) matched with the locking rod (331) is formed in the sliding frame (32).
  7. 7. The elevator car roof system of claim 6, wherein the lock rod (331) further comprises a threaded section (3312), the threaded section (3312) being located on the other side of the guide rail plate (31) with respect to the spring seat (3311), and a lock nut (334) for locking the lock rod (331) being provided on the threaded section (3312).
  8. 8. The elevator car roof system of claim 7, wherein the locking bar mount (332) has a locking bar perforation through which the locking bar (331) passes, the locking bar perforation having a stop angle (3321) that prevents rotation of the locking bar (331).
  9. 9. The elevator car roof system of claim 8, wherein the lock lever (331) further comprises a force-bearing ramp (3313) at an end thereof, and the glide bracket (32) is provided with a wedge portion (323) forming a wedge structure with the force-bearing ramp (3313).

Description

Elevator car roof system Technical Field The utility model relates to the technical field of elevators, in particular to an elevator car roof system. Background The fan plays a vital function as a key component at the top of the elevator car, is responsible for circulating air in the elevator car and ensuring continuous circulation of the air, so that the generation of dirty air and peculiar smell is avoided, and a more fresh and comfortable riding environment is created for passengers. Currently, fans are typically mounted on the top surface of the roof to reduce the occupation of the interior space of the car, such as fans in grant bulletin number CN 220467250U. However, this arrangement also presents the problem that in case of a failure of the fan, maintenance personnel need to climb onto the car for replacement, which is rather inconvenient to operate, and at the same time the elevator has to be stopped during maintenance, which undoubtedly has an impact on the normal operation of the elevator. Disclosure of utility model Aiming at the defects of the prior art, the application provides the elevator car roof system, which can allow workers to stand in a car to directly replace the fan when the fan fails, is more convenient in the replacement process, can complete the replacement work of the fan under the condition of not interrupting the operation of the elevator, and can ensure that the fan does not occupy the space of the car when being normally used. The elevator car roof system comprises a car roof with an air outlet, a cross flow fan and a fan support, wherein the fan support comprises two guide rail plates fixed on the upper surface of the car roof and positioned on two sides of the width of the air outlet, a sliding frame locked on the two guide rail plates through a plurality of locking components and used for installing the cross flow fan, the cross flow fan is positioned right above the air outlet, the sliding frame can be lowered to a replacement position along the guiding direction of the guide rail plates when the locking components are in an unlocking state, the cross flow fan is positioned below the air outlet when the sliding frame is in the replacement position, and a limiting component used for enabling the sliding frame to be kept in the replacement position is further included. Preferably, the sliding frame comprises two sliding side plates, the two sliding side plates are respectively arranged on the two guide rail plates in a sliding mode, the two sliding side plates are fixedly connected with a fan mounting plate used for mounting the cross flow fan, and the sliding side plates are positioned above the air outlet when the cross flow fan is positioned above the air outlet. Preferably, a plurality of vertical sliding grooves are formed in the guide rail plate, and the sliding side plates are provided with sliding block parts matched with the vertical sliding grooves. Preferably, the limiting component comprises a hook rod, and the hook rod comprises a transverse hook part for hooking the edge part of the air outlet and a vertical part connected with the transverse hook part and connected to the sliding frame. Preferably, a plurality of reinforcing plates for supporting the rail plate are provided on the side of the rail plate. Preferably, the locking assembly comprises a lock rod, a lock rod mounting seat fixed on the upper surface of the car top plate and used for the lock rod to pass through, a spring is sleeved on the lock rod, a spring seat is further arranged on the lock rod, one end of the spring is propped against the lock rod mounting seat, the other end of the spring is propped against the spring seat, and a lock hole matched with the lock rod is formed in the sliding frame. Preferably, the lock rod further comprises a thread section, the thread section is located at the other side of the guide rail plate relative to the spring seat, and a locking nut for locking the lock rod is arranged on the thread section. Preferably, the lock rod mounting seat is provided with a lock rod through hole for the lock rod to pass through, and the lock rod through hole is provided with a stop angle for preventing the lock rod from rotating. Preferably, the lock rod further comprises a force-bearing inclined surface positioned at the end part of the lock rod, and the sliding frame is provided with an inclined wedge part which forms an inclined wedge structure with the force-bearing inclined surface. In summary, the utility model has the following beneficial effects: 1: according to the utility model, the fan is arranged on the sliding frame, the cross flow fan is lowered from the position right above the air outlet to the position right below the air outlet when the sliding frame is lowered to the replacement position, and the sliding frame is kept at the replacement position through the limiting component. The utility model relates to a limiting component for keeping a sliding frame at a rep